Xian explosion-proof

Explosion-proof motor is mainly used in coal mine, oil and gas, petrochemical and other industries. This is because the explosion-proof motor does not produce electric spark during operation, so it is a kind of motor that can be used in flammable and explosive places. In addition, it is also widely used in textile, grain and oil processing, papermaking, metallurgy, city gas, transportation, medicine and other departments. Explosion-proof motor is the main power equipment, usually used to drive pumps, fans, compressors and other transmission machinery.

The inlet of the explosion-proof motor junction box is sealed by pressing the rubber ring. The weakness of this structure is the aging of the rubber ring and the elastic failure, which makes the cooperation between the cable and the rubber ring inconsistent. For the junction box of the double outlet of the explosion-proof motor, the unnecessary outlet should be blocked with a metal sealing piece of thickness not less than 2mm. The outer diameter of the metal sealing piece should be close to the inner diameter of the outlet hole of the inlet and outlet device, so as to ensure that the sealing ring is evenly pressed by the pressure plate or the pressing nut to achieve a reliable seal.

All EXPLOSION-PROOF MOTORS NEED TO BE LIFTED WITH DERRICK OR HOLE, NOT allowed TO BE lifted or supported at the core punching plate or coil, when the whole EXPLOSION-proof motor is lifted, sling should be used to make weight distribution uniform, and brace should be used to avoid deformation of the roof. Careless handling during installation and incorrect use of derrick and hook are likely to cause more damage to explosion-proof motor than years of operation. Care should be taken not to damage the windings when handling the motor.

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Positive pressure explosion-proof is to keep the pressure of protective gas inside the shell higher than the external atmospheric pressure to prevent the external explosive gas from entering the shell. The motor with explosion-proof method is called positive pressure explosion-proof motor. With the progress of science and technology in our country, the positive pressure explosion-proof motor is gradually produced in the major motor factories in China. As an explosion-proof type, positive pressure explosion-proof motor has great advantages in the application of large-scale explosion-proof motor structure, which is commonly used in the production of large-scale explosion-proof motor.

Recently, the High Tech Department of the Ministry of science and technology, together with the foundation department, held the acceptance meeting of the national explosion-proof motor engineering technology research center in Jiamusi City, Heilongjiang Province. The acceptance expert group listened to the report on the construction of the engineering center, reviewed the acceptance materials, and inspected the pilot scale and Industrialization Bases and laboratories. After inquiry and discussion, the engineering center passed the acceptance.