Belt Bucket elevator is a common vertical lifting equipment, suitable for dry bulk powder material or material vertical lifting. With its simple structure, small footprint, low power consumption and large conveying capacity, it is widely used in bulk material lifting systems in electric power, building materials, metallurgy, chemical industry, cement, mining and other industries. Today we share with you the ways to avoid static electricity on the belt of belt bucket elevator. Static electricity generation process using plastic and rubber materials made of conveyor belt in the coal mine underground operation, will be subject to friction caused by positive and negative charges on the belt body lost balance and electrostatic charges, electrostatic charges accumulate on the surface of the conveyor belt is not easy to disappear, when it reaches a certain value, will produce discharge sparks to grounded objects, causing fire or gas explosion. Anti-static methods at present, plastic anti-static method is mainly to control the generation and accumulation of static electricity, control the generation of static electricity mainly by reducing or preventing friction to reduce the generation of static electricity; control the accumulation of static electricity is mainly through grounding conduction, increase the relative humidity of the environment and the addition of antistatic agents or conductive substances (such as conductive carbon black, metal powder, etc.) to accelerate the leakage of static electricity, to avoid the accumulation of large amounts of static electricity. Therefore, in order to make the bucket elevator insulating properties of good plastic with a certain degree of conductivity, the following methods are mainly used. 1.Adding antistatic agent in the plastic or use antistatic agent for surface coating of the product.
2. Adding conductive fillers to the plastic (such as conductive carbon black, metal powder, etc.).
3. Change the polymer structure by graft copolymerization, so that it has more polar groups or ionic groups to increase the conductivity.
4.Oxidize the surface of plastic products with strong oxidizing agent to increase the electrical conductivity. And in the actual production process of PVC flame retardant conveyor belt of bucket elevator, the method of adding antistatic agent and conductive filler in the formulation of cover layer is generally used to reduce the surface resistance and volume resistance of the bucket belt, so that the belt has certain antistatic properties.