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Minnuo natural gas compressors are designed for the compression of natural gas, sour gas, and biogas. We offer the most economical, efficient, and safe solution for customized CNG compressor systems.
Produced and designed for continuous operation under heavy load conditions, with excellent feedback from operation under the most demanding conditions in the site and offshore applications worldwide – the high-pressure CNG compressors are ideally suited to a wide range of bunkering stations and medium to large fleets.
Compressed natural gas compressors are reciprocating piston types.
When the compressor is working, the compression device of the compressor can realize the rotation of the crankshaft, and then through the transmission of the connecting rod, the piston of the natural gas compressor can do reciprocating cycle movement, so that the working volume of the cylinder in the natural gas compressor can change periodically. When the piston of the natural gas compressor starts to move from the cylinder head, the working volume in the cylinder of the natural gas compressor can increase and then when the inlet door of the natural gas compressor is pushed open, the natural gas can enter the cylinder.
When the piston of the natural gas compressor moves in the opposite direction, accordingly the volume of the cylinder in the natural gas compressor becomes smaller, the space becomes smaller, the gas does not change and so the air pressure increases. When the air pressure in the natural gas compressor reaches a certain height, the exhaust valve opens and the gas exits the cylinder. This cycle continues with the piston of the natural gas compressor reciprocating once, completing four cycles of suction, compression, exhaust, and expansion in a circle.
CNG refueling stations can be divided into 3 types according to their function: standard stations, CNG mother stations, and daughter stations. We design low-maintenance, reliable, and durable compressors for different types of CNG filling stations.
The CNG mother station is built in a place where a natural gas pipeline passes through and takes gas directly from the natural gas pipeline. The natural gas enters the compressor unit through the process of desulphurization, pressure regulation, metering, filtration, and dehydration, and then compresses, cools, and purifies it to raise its pressure to 25Mpa, and finally refuels high-pressure trailers through the filling column, as well as cars through the gas vending machine. The company offers turnkey projects.
Equipment composition: inlet gas filtering and pressure regulating metering device, desulphurization tower, low-pressure dehydration device, piston compressor, sequence control panel, gas storage cylinder set, filling machine, filling column, CNG trailer, gas alarm device, and other equipment.
The CNG sub-station is built in a place where no natural gas pipeline passes through, and the gas is transferred from the mother station to the daughter station via the CNG trailer, unloaded through the unloading column, and filled by the gas vending machine to the car.
Equipment composition: unloading column, sub-station compressor, sequence control panel, storage cylinder set, filling machine, gas alarm device, CNG trailer, and other equipment.
After natural balancing, direct gas inlet compression and pressurization, with an average working capacity of over 1000 square meters
Compressor exhaust volume varies with trailer pressure drop in the range of 1800-400Nm3/h
We will arrange for a professional engineer to design a solution to suit your needs.
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