-
E-mail
3028198178@qq.com
-
Phone
18143421285
-
Address
No. 284 Dinghai Street, Gongshu District, Hangzhou City
Hangzhou Gengyu Instrument Co., Ltd
The structural principle and application scope of explosion-proof diaphragm vacuum pump
Date: 2025-09-24Read: 4
Explosion proof diaphragm vacuum pump is a vacuum equipment designed specifically for flammable and explosive environments. Its core structure and working principle are as follows:
1、 Structural principle
1. Diaphragm mechanism
The pump chamber is divided into a suction chamber and a compression chamber using high-strength elastic diaphragms (such as polytetrafluoroethylene), and gas extraction is achieved through reciprocating motion driven by a motor. When the diaphragm moves, the volume of the suction chamber expands to form negative pressure for inhaling gas, and the volume of the compression chamber decreases to discharge gas. No oil lubrication is required throughout the process to avoid pollution.
2. Explosion proof design
The pump body is made of corrosion-resistant materials such as stainless steel, and the electrical system is equipped with explosion-proof motors and flame-retardant cables, which are strictly grounded to prevent sparks. The ventilation system can control the concentration of combustible gases to avoid reaching the explosive limit.
2、 Application scope
1. Industrial sector
Suitable for vacuum adsorption, drying, and thin film coating processes in industries such as semiconductors, chemicals, and pharmaceuticals, especially for handling flammable and explosive gases.
2. Special environment
In high-risk areas such as explosion-proof rooms, its oil-free and low-noise characteristics can meet safety requirements.
This device has become a commonly used choice for vacuum operations in high-risk environments due to its simple structure, small size, and high safety.
