Explosion proof and high temperature resistant vacuum unit

There are circulating cooling water and explosion-proof motor in the explosion-proof and high temperature resistant vacuum unit

Explosion proof and high temperature resistant vacuum unit

Circulating cooling water refers to the medium heat exchange through heat exchanger or direct contact heat exchange, which is recycled after cooling water in the cooling tower, so as to save water resources. Generally, the circulating water is neutral and weakly alkaline, and the pH value is controlled between 7-9.5; The circulating cooling water in direct contact with the medium is generally less acidic or alkaline (pH value greater than 10.0). The cooling of circulating water is the result of three processes: evaporation heat dissipation, contact heat dissipation and radiation heat dissipation through the contact between water and air.

1. Evaporation and heat dissipation: water forms large and small water droplets or extremely thin water film in the cooling equipment, expands its contact area with air and prolongs the contact time, strengthens the evaporation of water, and makes the water vapor take away the heat required for gasification from the water, so as to cool the water;

2. Contact heat dissipation: water is in contact with air with lower temperature. Due to the temperature difference, the heat in hot water is transferred to the air, and the water temperature is reduced;

3. Radiative heat dissipation: the phenomenon that heat energy is transmitted in the form of electromagnetic wave without the action of heat transfer medium.

Explosion proof motor is a kind of motor that can be used in flammable and explosive places. It does not produce electric spark during operation.

Explosion proof and high temperature resistant vacuum unit is mainly used in coal mine, petroleum and natural gas, petrochemical industry and chemical industry. In addition, it is also widely used in textile, metallurgy, urban gas, transportation, grain and oil processing, papermaking, medicine and other departments.

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