I. Project Overview
(Name of construction site) Installation and construction of fire gas top pressure equipment. The pipeline project mainly consists of 2 pumps, more than 10 valves, one SW2000 pressure tank, 1 gas pump, one cylinder group, about 10 meters pipeline and elbow flange. Production installation and electrical control cabinet installation. The project estimates an installation weight of 5 tons (excluding civil works). The main equipment work volume of this project is in the equipment table. The crane cannot be constructed in this project. The site is in the room. It is difficult to carry all the work by hand. The safety guarantee work has been refined and the installation period is estimated to be 3-5 days.
Second, approach transportation
(1) According to the single station quality provided by the equipment list, the equipment is transported to the site with a 1041 vehicle, and then the equipment is manually transported into the equipment room, and the personnel needs 5-8 people;
(2) First clean up the equipment, and the personnel organization shall be responsible by the on-site person in charge;
(3) Beware of danger when lifting and falling objects;
(4) Records of the following items need to be made before installation of the equipment and signed by the Party A's cargo supervising party, appearance, equipment name, model and specification, equipment technical documents, data and special Tools; equipment has non-destructive parts, and the surface is not damaged And rust, etc. and other conditions that need to be recorded.
(5) The equipment, its parts and components and special tools shall be properly kept and shall not be deformed, damaged, rusted or lost.
(6) Equipment technical documents and data shall be provided to Party A as a construction basis.
III. Construction process flow 1) Check and acceptance of equipment basic dimensions 2) Basic leveling 3) Plane layout of equipment (according to installation drawings and site conditions)
4) the mounting base 5) 6 review device size) pipe, pipe size connecting line 8 between 7 review) devices) External corrosion pipe 9) to test the water pressure test <br> <br> Fourth, the duration assurance measures
(1) Organize a capable and efficient project department, strictly follow the project method, promote the post responsibility system, link the project with economic benefits, and fully mobilize the enthusiasm of employees.
(2) Reasonably organize the construction, create conditions for the previous process, form a streamlined operation and multi-layer work surface construction as soon as possible so as to grab time and ensure the construction period.
(3) Take the initiative to contact with the owner, participate in and get in touch in advance, strive to achieve a comprehensive understanding of the project as soon as possible, ahead of schedule.
(4) Regularly convene a daily project meeting to check the implementation and problems of the daily plan and implement it to the responsible person. The <br> <br> five formal approach install
a) (1) The axis or margin line or elevation line of Party A's representative should be provided and related to the building as the installation baseline.
(2) Based on the baseline, Party B uses the theodolite to measure the equipment center axis or equipment edge line.
(3) Devices that are connected, connected or parallel to each other and measure the axis or edge line at a time.
b) Equipment in place (1) The allowable deviation of the plane position of a single unit from the base axis or edge line control is ±20 mm.
(2) When the equipment is located correctly, the representative of Party A shall specify the equipment to install the inspection surface, line or point.
(3) Equipment alignment deviation According to the following table, the allowable deviation of the installation position of the equipment plane position and elevation to the installation reference line (mm)
Plane elevation and no mechanical connection with other equipment +10-10+20-10
Mechanical connection with other equipment +2-2+1-1
c) Anchor bolts (1) If equipment is anchored with anchor bolts, perform as described in this section.
(2) When checking the equipment foundation, check the reserved anchor bolt holes at the same time. If the anchor bolt holes are not reserved, use Party A's representative to confirm expansion anchor bolts and other methods.
(3) There should be no oil, gravel, mud, water, etc. in the buried anchor bolt hole, and there should be no deviation in size.
(4) The selection of anchor bolts shall be based on equipment technical documents or the issuance of plans (text) by the representative of Party A.
(5) The gravel bolt hole grouting adopts finely-grained concrete, and the number of the marking and the foundation concrete are higher.
(6) Tightening the anchor bolts shall be carried out when the concrete in the reserved holes reaches 75% or more of the design strength, and the bolt tightening force shall be uniform.
4) The horn or adjustable screw, precision flat (1) equipment with flat horn or adjustable screw or other methods to achieve, according to the equipment technology documents or the representative of the Party A to determine the use of documents to determine the leveling method.
(2) The selection of the horn should be based on the shape of the bottom of the equipment and the number of the anchor bolts. The standard of the horn should be selected.
(3) Pairs of inclined horns are used, and after positioning, grouting is done with tack welding.
(4) Each horn should be placed in a well-balanced, well-contacted condition. After the equipment is leveled, each group of horns should be compacted. Check the gap between the horns and between the horn and the base surface with a 0.05 mm feeler gauge. The sum of the two sides of the same cross-section of the iron shall not exceed 1/3 of the length (width) of the horn.
(5) In the base surface, the horn should be flattened.
(6) The equipment adopts adjusting screws. Under the adjusting screws, the supporting surface (100*100) shall be firmly placed on the surface of the foundation. The surface of the lower base of the supporting plate shall be flattened. The thickness of the supporting plate shall be greater than the diameter of the screw.
(7) When leveling the equipment, Party A shall use the specified reference surface, line and point as the inspection surface when correcting. The equipment shall be accurately leveled to meet the technical requirements of the equipment.
(8) After the equipment is leveled, use the non-shrinkage concrete for secondary grouting. When the strength of the grouting layer reaches 75%, retest the equipment's accuracy and adjust it until it passes the standard.
(9) When the temperature is lower than 4°C, protective measures shall be taken for the grouting layer.
V) Equipment Cleaning (1) The dimensions, mating surfaces, and sliding surfaces of the parts and components to be assembled, the overall equipment mating surfaces and sliding surfaces, and the installation inspection reference surface shall be subject to review and cleaning.
(2) When disassembling and cleaning equipment that needs to be dismantled, assembly records and markings should be made.
(3) Cleaning and arriving equipment The non-paint surface protective layer is scrubbed with solvent oil, kerosene, and ethanol.
(4) If there is rust on the assembly surface and the moving joint surface, derusting treatment should be carried out. Use size 150-240 abrasive cloth or fine tar stone to wipe with mechanical oil, or use a fine grinding paste for polishing.
(5) After cleaning, the surface should show a metallic luster. After the important joint surface and the guide surface are wiped with a white cloth, the white cloth should be free of foreign matter.
(6) When assembling, the cleaned joints should be coated with clean mechanical oil. For equipment with a longer duration, the exposed sports surface should be exposed. The guide rail surfaces should be rust-proofed in a timely manner, except for yellowing or mechanical oils.
(7) After the construction acceptance of the project, if Party A does not use it temporarily, apply a yellow dry oil or mechanical oil to prevent rust.
VI) Main technical requirements for equipment installation I. Implementation standards:
(1) Specification for power supply and distribution system design (GB 50052-95)
(2) Design Specification for Low Voltage Distribution (GB50054-95)
(3) General Electric Equipment Distribution Design Specification (GB50055-93)
(4) Specification for relay protection and automatic device design of power devices (GB50062-92)
(5) Design specifications for electrical measuring instrument devices of power devices (GBJ63-90)
(6) Quality Inspection and Evaluation Standard for Building Electrical Installation Engineering (GBJ303-88)
(7) Technical Specifications for Temporary Use of Electricity on the Construction Site (JGJ46-88)
(8) Electrical Design Specification for Civil Buildings (JGJ/T16-92)
(9) General Specification for Construction and Acceptance of Installation of Fire Water Supply Equipment (GB50231-38)
Note: If a new standard appears during installation, the new standard shall prevail.
VII. Equipment Process Piping (1) Equipment Process piping refers to the connection of cold water, circulating water and gas piping outside the unit.
(2) The preparation of pipelines shall be made by Party A and Party B according to the equipment technical documents or the notice issued by Party A and the actual situation of the public power pipeline system at the construction site.
(3) Selection of pipe material: DN (50mm, galvanized steel pipe screw connection, DN greater than 50mm, welded steel pipe, welded connection.
(4) The precision of thread connecting pipe and pipe thread conforms to international pipe thread regulations. The thread is clean, regular, no broken wire, and the connection is firm without welding.
(5) When welding steel pipe, the welding port is straight, no nodules, slag inclusions, and pores on the surface of the weld seam. Weld inspection inspections are required for weld inspection requirements.
(6) The installation method of pipe supports (hangs, brackets) shall be determined on-site and recognized by the resident representative of Party A. The spacing between brackets shall comply with the specifications.
(7) The gas flow pipe slopes downward in the direction of gas flow, and its slope value is greater than 10/1000 millimeters. Lubricant and emulsion system return pipes are inclined toward the direction of the tank, and the slope value is greater than 12.5-25/1000 mm.
(8) The Valve installation in the pipeline, its model, specifications, compressive strength and tightness test results, should meet the technical requirements and construction specifications, position, import and export direction is correct, connect firmly, close, open and flexible.
(9) Concealment and anticorrosion of pipelines, where concealment works can only be concealed after the approval of the representatives of Party A. The anticorrosive layer of the concealed works should comply with the provisions of the construction regulations. The anticorrosion layer should be made of varnish, glass cloth, bituminous paint, glass cloth. Bituminous paint anti-corrosion layer, anti-corrosion layer and pipe adhesion, firmly bonded.
(10) Pipes and brackets shall be painted with two layers of anti-rust paint, two layers of paint, and paint color shall be selected according to the requirements. The paint shall be common red antirust paint and blend paint, and the paint shall be well attached without peeling, blistering, Leakage brush phenomenon, uniform film thickness, no flow and pollution.
(11) For the connection of the vibration equipment and the pipeline, install the anti-vibration hose at the connection.
VIII) General technical requirements for the commissioning of equipments 1. The pipelines and chambers (boxes) of the fluid medium shall not run, run, drip, leak or seep;
2. Check the transmission part, the running parts should be flexible, and there should be no phenomenon of card, plug, vibration, or chatter. The number of revolutions of the unstaged parts during idling should not be less than 1 week;
3. For equipment that needs to be pressure tested in the test run, the pipeline should be vented after the test is completed.
4. The safety brake system must be sensitive, and the number of brake rotations or braking distances of the unstaged operating components should meet the requirements of the installation and use of technical documents.
5, the operation of electrical components should be sensitive and reliable, there should be no ignition, leakage phenomenon;
6. The temperature and noise of all major bearing and pressure parts (such as bearings, gear boxes, motors, etc.) of the equipment shall not exceed the factory design requirements of the equipment;
7, grounding protection must be tested in accordance with national industry standards;
8. The wiring, piping, and electrical wiring of the machine should be standardized and reasonable, and there should be no phenomenon of binding, pulling, hanging or binding.
9. Inspection and acceptance of general component installation shall be carried out in accordance with the relevant standards in Annex 7;
10. When the construction unit is in the process of transportation, lifting, installation and commissioning of the equipment, if the equipment (or parts) is damaged due to the cause of Party B, the compensation shall be determined according to the seriousness of the circumstances, and the compensation shall be paid according to the requirements of the tendering unit. Partially implemented.
11ã€Complete requirements for completion information (including various types of changes and drawings, installation records, test record, material qualification certificate, quality certificate of purchase, etc.)
12. The test and acceptance technical requirements shall be implemented in accordance with the relevant provisions in the "Equipment Installation and Commissioning Operation Manual" and the equipment purchase contract.
9) Trial Run Procedures: Comprehensive Inspection - Unit (vehicle) Inching Air Test - Unit (vehicle), Continuous Air Test - System Linked Air Test - Comprehensive Inspection Correction - Load Test Preparation - System Load Test Run ——Completion acceptance ten) Equipment commissioning steps:
(1) Check the installation condition of the equipment, and the movement and stability of the rotating parts, the manual turning vehicle is flexible, light and unblocked, the belt tension should be consistent, conform to the technical requirements of the equipment; the safety device is adjusted correctly and reliably, and the brake and locking mechanism are adjusted Suitable.
(2) The installation accuracy meets the technical requirements of the equipment.
(3) The anchor bolts are evenly fastened and the equipment is in good contact.
(4) The adjustment test of the electrical (instrument) control system and instrument is completed (the construction scheme can be edited separately)
(5) The inspection and adjustment of lubrication, hydraulic pressure, air cooling and other systems have met the technical requirements of the equipment. According to the equipment's technical documents, the parts to be lubricated are filled with lubricants and tested for cleanliness.
(6) Lubricating oil, liquefied oil, gas, and coolant should be started after a single system is started. The pressure, oil temperature, and exhaust of the pipeline all meet the requirements of the equipment's technical documentation.
(7) Lubrication, hydraulic pressure, gas, cooling and other system valve components and mechanism movement adjustment should be correct, reliable and sensitive. The medium of each system must not be interrupted and leaked to maintain the specified pressure, temperature and flow.
(8) After the system has passed the adjustment check of the electrical equipment, piping, working media, etc., a joint adjustment test of the machine and each system is conducted.
(9) Joint commissioning starts from the components to the components, to the stand-alone machines, and to the complete sets of equipment, according to the equipment technical documentation and operating procedures.
Eleven), equipment testing and measurement:
(1) The height of the detected surface of the equipment passes through the precision level S-1 (the reading error is controlled within 0.03 mm) and provides the base elevation from Party A.
(2) The plane position of the equipment is derived from the reference point by the theodolite.
(3) Equipment datum detection method:
XII) Equipment commissioning and acceptance (1) Operation of mechanical transmission system;
(2) Motor temperature rise, vibration and noise;
(3) reducer noise, temperature and vibration;
(4) Lubricants brand, volume, oil temperature, circulation;
(5) The operational sensitivity of the safety brake protection system;
(6) Automatic detection and control system operation;
(7) Temperature, noise variation of main bearing;
(8) Sealing point inspection;
(9) Electrical wiring, grounding protection inspection;
(10) Inspection of all types of fastenings (joints);
(11) Inspection of environmental indicators.
XIII) Commissioning and acceptance (1) Before the equipment is commissioned, the main lubrication components shall be checked for cleanliness. Unclean items shall be cleaned.
(2) The equipment should first start the lubrication system, confirm that the lubrication is in place and then carry out a bicycle (yuan) air test. After the cycling (yuan) air test is qualified, the system linkage air test can be performed. During the trial run, the temperature, noise, and vibration of the bearing, pressure, and heat receiving parts (motors, bearings, gear boxes, etc.) of the equipment should be closely monitored and should be promptly removed when the regulations are exceeded. The equipment problems and equipment failures (mechanical and electrical) appearing in the trial run process shall be immediately rectified. The responsibility and the expenses incurred shall be implemented in accordance with the relevant provisions of the commercial part of the contract.
(3) The time for empty vehicles and continuous test run shall be implemented in accordance with the relevant provisions in the equipment purchase contract.
(4) Correct the installation content that does not meet the technical requirements, and meet the technical requirements for the acceptance of the rectification.
Six, civilized construction assurance measures
1) The construction site has standardized and scientific construction organization design, reasonable overall layout, on-site construction management system is sound, civilized construction measures are implemented, and leaders are in command. Responsibility is clear, people are appointed, inspection and evaluation items are clear.
2) The construction site should be kept clean and clean and try to avoid any interference or interference with the existing environment. Construction waste generated during the construction process is temporarily stacked in a designated area and then transported uniformly. Dumping of slag along the way is prohibited during transportation.
3) The disassembly and assembly of temporary power facilities at the construction site shall not be carried out in private. After obtaining the consent of Party A and specifying the power source, the electrician will be responsible for the installation.
4) The pipes and components removed from the construction site shall be promptly cleaned up and transported away. The required old and new components shall be neatly arranged in the designated position as required.
5) Facilities for large-scale use, such as steel offices and steel materials warehouses, must be stacked neatly according to the layout plan, and the roads should be unobstructed. The construction site should be flat and clean.
6) It is forbidden to smoke and work in the construction work area. The cigarettes in the living area are discarded in a uniformly equipped water-filled trash can, and a fine of 30 yuan is imposed on the cigarette butts.
(Name of construction site) Installation and construction of fire gas top pressure equipment. The pipeline project mainly consists of 2 pumps, more than 10 valves, one SW2000 pressure tank, 1 gas pump, one cylinder group, about 10 meters pipeline and elbow flange. Production installation and electrical control cabinet installation. The project estimates an installation weight of 5 tons (excluding civil works). The main equipment work volume of this project is in the equipment table. The crane cannot be constructed in this project. The site is in the room. It is difficult to carry all the work by hand. The safety guarantee work has been refined and the installation period is estimated to be 3-5 days.
Second, approach transportation
(1) According to the single station quality provided by the equipment list, the equipment is transported to the site with a 1041 vehicle, and then the equipment is manually transported into the equipment room, and the personnel needs 5-8 people;
(2) First clean up the equipment, and the personnel organization shall be responsible by the on-site person in charge;
(3) Beware of danger when lifting and falling objects;
(4) Records of the following items need to be made before installation of the equipment and signed by the Party A's cargo supervising party, appearance, equipment name, model and specification, equipment technical documents, data and special Tools; equipment has non-destructive parts, and the surface is not damaged And rust, etc. and other conditions that need to be recorded.
(5) The equipment, its parts and components and special tools shall be properly kept and shall not be deformed, damaged, rusted or lost.
(6) Equipment technical documents and data shall be provided to Party A as a construction basis.
III. Construction process flow 1) Check and acceptance of equipment basic dimensions 2) Basic leveling 3) Plane layout of equipment (according to installation drawings and site conditions)
4) the mounting base 5) 6 review device size) pipe, pipe size connecting line 8 between 7 review) devices) External corrosion pipe 9) to test the water pressure test <br> <br> Fourth, the duration assurance measures
(1) Organize a capable and efficient project department, strictly follow the project method, promote the post responsibility system, link the project with economic benefits, and fully mobilize the enthusiasm of employees.
(2) Reasonably organize the construction, create conditions for the previous process, form a streamlined operation and multi-layer work surface construction as soon as possible so as to grab time and ensure the construction period.
(3) Take the initiative to contact with the owner, participate in and get in touch in advance, strive to achieve a comprehensive understanding of the project as soon as possible, ahead of schedule.
(4) Regularly convene a daily project meeting to check the implementation and problems of the daily plan and implement it to the responsible person. The <br> <br> five formal approach install
a) (1) The axis or margin line or elevation line of Party A's representative should be provided and related to the building as the installation baseline.
(2) Based on the baseline, Party B uses the theodolite to measure the equipment center axis or equipment edge line.
(3) Devices that are connected, connected or parallel to each other and measure the axis or edge line at a time.
b) Equipment in place (1) The allowable deviation of the plane position of a single unit from the base axis or edge line control is ±20 mm.
(2) When the equipment is located correctly, the representative of Party A shall specify the equipment to install the inspection surface, line or point.
(3) Equipment alignment deviation According to the following table, the allowable deviation of the installation position of the equipment plane position and elevation to the installation reference line (mm)
Plane elevation and no mechanical connection with other equipment +10-10+20-10
Mechanical connection with other equipment +2-2+1-1
c) Anchor bolts (1) If equipment is anchored with anchor bolts, perform as described in this section.
(2) When checking the equipment foundation, check the reserved anchor bolt holes at the same time. If the anchor bolt holes are not reserved, use Party A's representative to confirm expansion anchor bolts and other methods.
(3) There should be no oil, gravel, mud, water, etc. in the buried anchor bolt hole, and there should be no deviation in size.
(4) The selection of anchor bolts shall be based on equipment technical documents or the issuance of plans (text) by the representative of Party A.
(5) The gravel bolt hole grouting adopts finely-grained concrete, and the number of the marking and the foundation concrete are higher.
(6) Tightening the anchor bolts shall be carried out when the concrete in the reserved holes reaches 75% or more of the design strength, and the bolt tightening force shall be uniform.
4) The horn or adjustable screw, precision flat (1) equipment with flat horn or adjustable screw or other methods to achieve, according to the equipment technology documents or the representative of the Party A to determine the use of documents to determine the leveling method.
(2) The selection of the horn should be based on the shape of the bottom of the equipment and the number of the anchor bolts. The standard of the horn should be selected.
(3) Pairs of inclined horns are used, and after positioning, grouting is done with tack welding.
(4) Each horn should be placed in a well-balanced, well-contacted condition. After the equipment is leveled, each group of horns should be compacted. Check the gap between the horns and between the horn and the base surface with a 0.05 mm feeler gauge. The sum of the two sides of the same cross-section of the iron shall not exceed 1/3 of the length (width) of the horn.
(5) In the base surface, the horn should be flattened.
(6) The equipment adopts adjusting screws. Under the adjusting screws, the supporting surface (100*100) shall be firmly placed on the surface of the foundation. The surface of the lower base of the supporting plate shall be flattened. The thickness of the supporting plate shall be greater than the diameter of the screw.
(7) When leveling the equipment, Party A shall use the specified reference surface, line and point as the inspection surface when correcting. The equipment shall be accurately leveled to meet the technical requirements of the equipment.
(8) After the equipment is leveled, use the non-shrinkage concrete for secondary grouting. When the strength of the grouting layer reaches 75%, retest the equipment's accuracy and adjust it until it passes the standard.
(9) When the temperature is lower than 4°C, protective measures shall be taken for the grouting layer.
V) Equipment Cleaning (1) The dimensions, mating surfaces, and sliding surfaces of the parts and components to be assembled, the overall equipment mating surfaces and sliding surfaces, and the installation inspection reference surface shall be subject to review and cleaning.
(2) When disassembling and cleaning equipment that needs to be dismantled, assembly records and markings should be made.
(3) Cleaning and arriving equipment The non-paint surface protective layer is scrubbed with solvent oil, kerosene, and ethanol.
(4) If there is rust on the assembly surface and the moving joint surface, derusting treatment should be carried out. Use size 150-240 abrasive cloth or fine tar stone to wipe with mechanical oil, or use a fine grinding paste for polishing.
(5) After cleaning, the surface should show a metallic luster. After the important joint surface and the guide surface are wiped with a white cloth, the white cloth should be free of foreign matter.
(6) When assembling, the cleaned joints should be coated with clean mechanical oil. For equipment with a longer duration, the exposed sports surface should be exposed. The guide rail surfaces should be rust-proofed in a timely manner, except for yellowing or mechanical oils.
(7) After the construction acceptance of the project, if Party A does not use it temporarily, apply a yellow dry oil or mechanical oil to prevent rust.
VI) Main technical requirements for equipment installation I. Implementation standards:
(1) Specification for power supply and distribution system design (GB 50052-95)
(2) Design Specification for Low Voltage Distribution (GB50054-95)
(3) General Electric Equipment Distribution Design Specification (GB50055-93)
(4) Specification for relay protection and automatic device design of power devices (GB50062-92)
(5) Design specifications for electrical measuring instrument devices of power devices (GBJ63-90)
(6) Quality Inspection and Evaluation Standard for Building Electrical Installation Engineering (GBJ303-88)
(7) Technical Specifications for Temporary Use of Electricity on the Construction Site (JGJ46-88)
(8) Electrical Design Specification for Civil Buildings (JGJ/T16-92)
(9) General Specification for Construction and Acceptance of Installation of Fire Water Supply Equipment (GB50231-38)
Note: If a new standard appears during installation, the new standard shall prevail.
VII. Equipment Process Piping (1) Equipment Process piping refers to the connection of cold water, circulating water and gas piping outside the unit.
(2) The preparation of pipelines shall be made by Party A and Party B according to the equipment technical documents or the notice issued by Party A and the actual situation of the public power pipeline system at the construction site.
(3) Selection of pipe material: DN (50mm, galvanized steel pipe screw connection, DN greater than 50mm, welded steel pipe, welded connection.
(4) The precision of thread connecting pipe and pipe thread conforms to international pipe thread regulations. The thread is clean, regular, no broken wire, and the connection is firm without welding.
(5) When welding steel pipe, the welding port is straight, no nodules, slag inclusions, and pores on the surface of the weld seam. Weld inspection inspections are required for weld inspection requirements.
(6) The installation method of pipe supports (hangs, brackets) shall be determined on-site and recognized by the resident representative of Party A. The spacing between brackets shall comply with the specifications.
(7) The gas flow pipe slopes downward in the direction of gas flow, and its slope value is greater than 10/1000 millimeters. Lubricant and emulsion system return pipes are inclined toward the direction of the tank, and the slope value is greater than 12.5-25/1000 mm.
(8) The Valve installation in the pipeline, its model, specifications, compressive strength and tightness test results, should meet the technical requirements and construction specifications, position, import and export direction is correct, connect firmly, close, open and flexible.
(9) Concealment and anticorrosion of pipelines, where concealment works can only be concealed after the approval of the representatives of Party A. The anticorrosive layer of the concealed works should comply with the provisions of the construction regulations. The anticorrosion layer should be made of varnish, glass cloth, bituminous paint, glass cloth. Bituminous paint anti-corrosion layer, anti-corrosion layer and pipe adhesion, firmly bonded.
(10) Pipes and brackets shall be painted with two layers of anti-rust paint, two layers of paint, and paint color shall be selected according to the requirements. The paint shall be common red antirust paint and blend paint, and the paint shall be well attached without peeling, blistering, Leakage brush phenomenon, uniform film thickness, no flow and pollution.
(11) For the connection of the vibration equipment and the pipeline, install the anti-vibration hose at the connection.
VIII) General technical requirements for the commissioning of equipments 1. The pipelines and chambers (boxes) of the fluid medium shall not run, run, drip, leak or seep;
2. Check the transmission part, the running parts should be flexible, and there should be no phenomenon of card, plug, vibration, or chatter. The number of revolutions of the unstaged parts during idling should not be less than 1 week;
3. For equipment that needs to be pressure tested in the test run, the pipeline should be vented after the test is completed.
4. The safety brake system must be sensitive, and the number of brake rotations or braking distances of the unstaged operating components should meet the requirements of the installation and use of technical documents.
5, the operation of electrical components should be sensitive and reliable, there should be no ignition, leakage phenomenon;
6. The temperature and noise of all major bearing and pressure parts (such as bearings, gear boxes, motors, etc.) of the equipment shall not exceed the factory design requirements of the equipment;
7, grounding protection must be tested in accordance with national industry standards;
8. The wiring, piping, and electrical wiring of the machine should be standardized and reasonable, and there should be no phenomenon of binding, pulling, hanging or binding.
9. Inspection and acceptance of general component installation shall be carried out in accordance with the relevant standards in Annex 7;
10. When the construction unit is in the process of transportation, lifting, installation and commissioning of the equipment, if the equipment (or parts) is damaged due to the cause of Party B, the compensation shall be determined according to the seriousness of the circumstances, and the compensation shall be paid according to the requirements of the tendering unit. Partially implemented.
11ã€Complete requirements for completion information (including various types of changes and drawings, installation records, test record, material qualification certificate, quality certificate of purchase, etc.)
12. The test and acceptance technical requirements shall be implemented in accordance with the relevant provisions in the "Equipment Installation and Commissioning Operation Manual" and the equipment purchase contract.
9) Trial Run Procedures: Comprehensive Inspection - Unit (vehicle) Inching Air Test - Unit (vehicle), Continuous Air Test - System Linked Air Test - Comprehensive Inspection Correction - Load Test Preparation - System Load Test Run ——Completion acceptance ten) Equipment commissioning steps:
(1) Check the installation condition of the equipment, and the movement and stability of the rotating parts, the manual turning vehicle is flexible, light and unblocked, the belt tension should be consistent, conform to the technical requirements of the equipment; the safety device is adjusted correctly and reliably, and the brake and locking mechanism are adjusted Suitable.
(2) The installation accuracy meets the technical requirements of the equipment.
(3) The anchor bolts are evenly fastened and the equipment is in good contact.
(4) The adjustment test of the electrical (instrument) control system and instrument is completed (the construction scheme can be edited separately)
(5) The inspection and adjustment of lubrication, hydraulic pressure, air cooling and other systems have met the technical requirements of the equipment. According to the equipment's technical documents, the parts to be lubricated are filled with lubricants and tested for cleanliness.
(6) Lubricating oil, liquefied oil, gas, and coolant should be started after a single system is started. The pressure, oil temperature, and exhaust of the pipeline all meet the requirements of the equipment's technical documentation.
(7) Lubrication, hydraulic pressure, gas, cooling and other system valve components and mechanism movement adjustment should be correct, reliable and sensitive. The medium of each system must not be interrupted and leaked to maintain the specified pressure, temperature and flow.
(8) After the system has passed the adjustment check of the electrical equipment, piping, working media, etc., a joint adjustment test of the machine and each system is conducted.
(9) Joint commissioning starts from the components to the components, to the stand-alone machines, and to the complete sets of equipment, according to the equipment technical documentation and operating procedures.
Eleven), equipment testing and measurement:
(1) The height of the detected surface of the equipment passes through the precision level S-1 (the reading error is controlled within 0.03 mm) and provides the base elevation from Party A.
(2) The plane position of the equipment is derived from the reference point by the theodolite.
(3) Equipment datum detection method:
XII) Equipment commissioning and acceptance (1) Operation of mechanical transmission system;
(2) Motor temperature rise, vibration and noise;
(3) reducer noise, temperature and vibration;
(4) Lubricants brand, volume, oil temperature, circulation;
(5) The operational sensitivity of the safety brake protection system;
(6) Automatic detection and control system operation;
(7) Temperature, noise variation of main bearing;
(8) Sealing point inspection;
(9) Electrical wiring, grounding protection inspection;
(10) Inspection of all types of fastenings (joints);
(11) Inspection of environmental indicators.
XIII) Commissioning and acceptance (1) Before the equipment is commissioned, the main lubrication components shall be checked for cleanliness. Unclean items shall be cleaned.
(2) The equipment should first start the lubrication system, confirm that the lubrication is in place and then carry out a bicycle (yuan) air test. After the cycling (yuan) air test is qualified, the system linkage air test can be performed. During the trial run, the temperature, noise, and vibration of the bearing, pressure, and heat receiving parts (motors, bearings, gear boxes, etc.) of the equipment should be closely monitored and should be promptly removed when the regulations are exceeded. The equipment problems and equipment failures (mechanical and electrical) appearing in the trial run process shall be immediately rectified. The responsibility and the expenses incurred shall be implemented in accordance with the relevant provisions of the commercial part of the contract.
(3) The time for empty vehicles and continuous test run shall be implemented in accordance with the relevant provisions in the equipment purchase contract.
(4) Correct the installation content that does not meet the technical requirements, and meet the technical requirements for the acceptance of the rectification.
Six, civilized construction assurance measures
1) The construction site has standardized and scientific construction organization design, reasonable overall layout, on-site construction management system is sound, civilized construction measures are implemented, and leaders are in command. Responsibility is clear, people are appointed, inspection and evaluation items are clear.
2) The construction site should be kept clean and clean and try to avoid any interference or interference with the existing environment. Construction waste generated during the construction process is temporarily stacked in a designated area and then transported uniformly. Dumping of slag along the way is prohibited during transportation.
3) The disassembly and assembly of temporary power facilities at the construction site shall not be carried out in private. After obtaining the consent of Party A and specifying the power source, the electrician will be responsible for the installation.
4) The pipes and components removed from the construction site shall be promptly cleaned up and transported away. The required old and new components shall be neatly arranged in the designated position as required.
5) Facilities for large-scale use, such as steel offices and steel materials warehouses, must be stacked neatly according to the layout plan, and the roads should be unobstructed. The construction site should be flat and clean.
6) It is forbidden to smoke and work in the construction work area. The cigarettes in the living area are discarded in a uniformly equipped water-filled trash can, and a fine of 30 yuan is imposed on the cigarette butts.
Capillary Tube,Capillary Copper Tube,Copper Capillary Tube,Capillary Pancake Coil Copper Tube
LONG TERM ELEC. CO., LTD , https://www.longterm-hvac.com