EVP Compressor Co., Ltd. is a high-tech enterprise specializing in the development of various special gas compressors and gas equipment in China.
Our company is a domestic manufacturer specialized in designing and manufacturing hydrogen compressors. We are a domestic enterprise specializing in manufacturing hydrogen compressors and have accumulated rich experience in design. For decades, nearly a thousand user units around the world have been using our manufactured hydrogen compressors.
Our company has developed process hydrogen compressors, filling hydrogen compressors, variable operating hydrogen compressors, and variable frequency hydrogen compressors. The lubrication methods are divided into oil-free lubrication and oil-based lubrication. The oil-free lubrication model is suitable for compressing high-purity hydrogen.
Process hydrogen compressors are suitable for petrochemical, fine chemical, pharmaceutical, energy chemical, electronic, and national defense industries that require hydrogenation processes.
The hydrogen compressor used in the process can have an inlet pressure of atmospheric or pressurized, and an exhaust pressure of 0.1-20 Mpa; The displacement can range from 20 to 20000 Nm ³/ H. The exhaust temperature can be 3 ℃ to 5 ℃ higher than the intake temperature. Among them, the intake pressure, exhaust pressure, and exhaust volume can all fluctuate up and down; The compression level is generally 1-4 levels.
The hydrogen compressor used for filling is suitable for filling high-pressure gas cylinders and high-pressure tank trucks. The intake pressure can be atmospheric or pressurized, and the displacement can range from 30 Nm ³/ H to 2000 Nm ³/ H. The exhaust temperature is generally 3 ℃ to 5 ℃ higher than the intake temperature.
The hydrogen compressor for filling high-pressure gas cylinders generally has an exhaust pressure of 15 Mpa or 16 Mpa; The hydrogen compressor for filling high-pressure tank trucks generally has an exhaust pressure of 20 Mpa, 22 Mpa, or 25 Mpa. The compression level is generally 4-5 levels.
Variable working condition hydrogen compressor, suitable for special process flow with constantly fluctuating intake pressure, exhaust pressure or intake volume.
The compressor is designed with a special process to maintain constant exhaust pressure even when the intake pressure or intake volume fluctuates continuously. It is also possible to maintain the same exhaust volume even when the exhaust pressure fluctuates periodically.
The hydrogen compressor under variable operating conditions can have an inlet pressure of normal or pressurized, and an exhaust pressure of 0.1-20 Mpa; The displacement can range from 20 to 20000 Nm ³/ H. The exhaust temperature can be 3 ℃ to 5 ℃ higher than the intake temperature. The compression level is generally 1-4 levels.
Variable frequency hydrogen compressor, suitable for working conditions in hydrogenation process where the hydrogen demand is constantly changing. The compressor is equipped with a frequency converter and a variable frequency motor. According to the change in hydrogen demand in the process, the frequency of the motor is adjusted accordingly to adjust the speed of the motor and compressor, thereby adjusting the discharge volume of the compressor. Keep the exhaust pressure of the compressor constant while the intake pressure or intake volume fluctuates continuously.
The range of frequency conversion adjustment can be between 5% and 100% of the rated exhaust volume; But the frequency conversion amplitude should not be too large, usually within the range of 40% to 100%. The inlet pressure of the variable frequency hydrogen compressor can be atmospheric or pressurized, and the exhaust pressure can be 0.1-20 Mpa; The displacement can reach 20-20000 Nm ³/ H. The exhaust temperature can be 3 ℃ to 5 ℃ higher than the intake temperature. The compression level is generally 1-4 levels.
Process hydrogen compressors, filling hydrogen compressors, variable operating condition hydrogen compressors, variable frequency hydrogen compressors, equipped with motors and on-site electrical appliances with explosion-proof rating of d Ⅱ CT4; The compressor is equipped with various automatic control safety protection devices: (1) lubricating oil under pressure, alarm and stop; (2) Insufficient pressure of cooling water, alarm and shutdown; (3) Excessive intake pressure, alarm and stop; (4) Exhaust overpressure, alarm and stop; (5) Motor overload, alarm and stop.
The whole machine is pry mounted, with advanced design, excellent manufacturing, stable operation, safety and reliability, low noise, no leakage, simple operation, and convenient maintenance.
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