In coal mines, oil fields, flammable dust environments, and other hazardous gas areas, mobile cable trays are frequently used. A common characteristic of these locations is their "flammable and explosive" nature. To ensure safety in such conditions, explosion-proof cable reels are essential. But what exactly makes a mobile cable tray explosion-proof? Let’s take a closer look at the explosion-proof principles behind these critical devices, as explained by senior electrical engineers from Wolves.
**â— Principle 1: No Static, No Sparks**
The most crucial aspect of explosion-proof design is to prevent the generation of sparks or static electricity. Even a small spark can lead to catastrophic consequences in environments like coal mines.
Wolves’ explosion-proof mobile cable trays are made with high-quality materials throughout. The rotating parts, bolt housings, industrial sockets, plugs, handles, and wheels (two rubber wheels) are all constructed from aluminum alloy. This not only ensures durability but also eliminates the risk of static buildup. The surface is coated for added protection, making it both strong and safe for use in dangerous areas.
Additionally, these cable reels come equipped with a built-in leakage switch. In the event of an accidental leak, the device will cut off power within just 0.03 seconds, preventing potential accidents before they occur.
**â— Principle 2: Safe and Intelligent Structural Design**
It's a common occurrence in daily life that plugging and unplugging devices can cause sparks. In coal mines and similar environments, this must be completely avoided.
Wolves' explosion-proof mobile cable trays feature a unique plug and socket design. The grounding contact on the plug is longer than the main contact. When inserting the plug, the grounding connection is established first, and when removing it, the grounding contact is disconnected last. This interlocking mechanism ensures that the power is always turned off before the plug is removed, significantly reducing the risk of sparks and static electricity, thus enhancing overall safety.
**â— Principle 3: Excellent Flexibility and Resistance**
In construction sites or outdoor projects, cables can become very hot and may even emit a burning plastic smell after prolonged use. This is not acceptable in hazardous environments.
Wolves’ explosion-proof mobile cable trays come in various models, including 3*2.5mm², 3*2.5+1mm², 3*4mm², and 3*4+1mm² configurations. These use YCW rubber cables known for their excellent flexibility, wear resistance, tensile strength, and heat resistance. Designed with explosion-proof standards in mind, they provide reliable performance while ensuring long-term safety and durability.
Understanding these explosion-proof principles not only helps in recognizing the importance of safety but also aids in making informed choices when selecting the right equipment for hazardous environments.
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