Lex anti-static hose makes industrial production safer

by:Haikuo     2021-06-04
Hangzhou Haikuo anti-static hose makes industrial production safer
   Static electricity is widespread around us, especially in autumn and winter, when the weather is dry, we often see lightning flashing on our clothes, or being electrified by people or objects. Here is a little knowledge for everyone. The static electricity generated by the human body can be as high as several thousand volts, tens of thousands volts, or even one hundred thousand volts. It is really a human-shaped Pikachu that can flash. It's just that these voltages will dissipate quickly, and there will be no strong currents due to fast movement, so we can be safe.
   Similarly, in industrial production, there will be static electricity. The rapid movement of materials is a way to generate static electricity. As mentioned earlier, static electricity does not generate current when it is at rest, but it is different in industrial production. Production accidents caused by static electricity occur both at home and abroad. However, European countries earlier proposed the protection of static electricity, and also formulated a relatively complete protection standard-EN12115 standard. After years of continuous improvement, the latest version is EN 12115: 2011 and IEC 60079-32-1: 2011.

   Anti-static? Anti-static? Conductive? Three different concepts
   In daily life, we often confuse the above three words, but they are not. The difference of a word, so the meaning of the representative is also very different.
   Anti-static is the resistance R in the range of 10^9-10^11;
   Antistatic is the resistance R in the range of 10^7-10^9;
   Static electricity is the resistance R in the range of 10^4-10^6;
   What anti-static hoses are there on the market?
  pu static conductive hose is a kind of static conductive agent mixed with polyurethane raw materials, and the tube wall of the produced hose has the characteristics of conductive static electricity. This kind of static discharge and wear-resistant material conveying hose is similar to the characteristics of stainless steel hose. The pipe wall can transmit static electricity to neutralize the electrostatic ions generated by friction during the material conveying process in the hose, thereby preventing static electricity. Material clogging and static electricity accidents.
   Structure: The tube wall is covered with hard plastic spiral, and the inner wall of the tube is smooth.
  Material: pipe wall polyurethane, spiral wire, hard pvc
  Temperature range: about -20℃ to +90℃, +120℃ in a short time
  Another kind of anti-static hose is a layer of copper wire sandwiched between the tube wall of the hose. Because copper wire is a good conductor, it can conduct static electricity quickly and effectively, thereby playing a role of anti-static. When transporting some wear-resistant materials, due to the friction between the material molecules, the positive and negative charges will be separated. This is the electrostatic ion often referred to. Since the tube wall is insulated, the generated electrostatic ions are It cannot be removed from the pipe wall in time. The accumulation of a large number of electrostatic ions for a long time will generate positive and negative charges at both ends of the hose, which will cause the transportation of materials to be blocked. To eliminate the positive and negative charges generated, it is necessary to export the electrostatic ions at both ends of the hose and guide them to the ground or connect them through wires to neutralize the positive and negative charges. At this time, the copper wire on the inner wall of the hose can quickly neutralize the ions at both ends through the connecting stainless steel at both ends. Ensure the normal transportation and circulation in the pipe wall. The anti-static and wear-resistant conveying hose with copper wire is a commonly used static conveying hose in the industry.
   structure: with rigid spiral PVC reinforcement, embedded conductive copper wire.
  Feature: EU ROHS environmental protection material standard, smooth inner wall and corrugated outer wall.
  Application range: It is used for the suction and transportation of liquid and low abrasive materials under normal pressure. Such as powder, pellets, wood chips, liquid food industry, etc. The copper wire is grounded to conduct static electricity.
  Temperature range: -5°C to +60°C
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