Will lead to high local electric field strength, dielectric breakdown, charge neutralization, spark ignition or detonation of organic solvent gas, causing serious safety accidents。 The accidents in this industry have occurred。 However, the manufacturers in production of coated by electrostatic measures in addition to a variety of different ways。 Such as ion flow static eliminator, simple ground power ground body。 In addition to static measures, these measures have different elimination of electrostatic interaction, but can not ensure the safety in production。
Using a simple grounding resistance higher body. Grounding of power supply ground wire to eliminate electrostatic measures is theoretically confined to Ohm's Law: the concept of V=IR
Voltage tester for electrostatic field values in the production although thousands of volts, but it reflects the spread in paper, plastic film and the guide roll all the electrostatic charges on the total energy, and every moment in the roller surface contact material dispersed on the voltage of electrostatic charge is dispersed in limited. Each static charge on insulator impossible by wire flow of the earth.
Ion flow static eliminator of a class of measures to eliminate static charge is only suitable for processing on the surface have been accumulated, can eliminate static electricity generated through the subsequent guide roller; especially the coating head space near the guide roller is numerous, the limited space, inconvenient use this kind of static eliminator eliminates the static electricity.
In two-component glue machine in the production process, the processed paper or plastic film material and all kinds of roller coating machine will produce a large number of static, organic solvents and many production processes must be using low boiling point volatile, flammable and explosive, such as toluene, solvent gasoline and various ketones, esters solvent, resulting in a large number of flammable gas flux。 If the electrostatic elimination measures properly, with the accumulation of electrostatic charge。
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