Compact-type natural gas compressor
A natural gas and compressor technology, applied in the field of compact natural gas compressors, can solve the problems of high energy consumption and no improvement, and achieve the effects of long service life, high exhaust pressure and low noise of equipment
Inactive Publication Date: 2012-11-14
龚玉华
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Problems solved by technology
It can be seen from this that on the basis of traditional technology, the compressor equipment manufactured is relatively large in scale, with a self-weight of several tons, and high energy consumption. At the same time, gas equipment such as compressed natural gas (CNG) vehicles needs to meet the actual needs of 20MPa ~ 30MPa medium pressure exhaust output 100L / min, small equipment with suitable displacement
[0003] In addition, in the disclosed new related technical solutions, such as the application number 200520034956 hydraulic piston natural gas compressor, a hydraulic cylinder connected to it is arranged between the two cylinders. The cylinder and the hydraulic cylinder use the same piston rod, and the cylinder piston assembly is located on the piston rod. At both ends, the piston of the hydraulic cylinder is located in the middle, and a hydraulic cylinder guide sleeve is respectively provided at the connection between the hydraulic cylinder and the two cylinders. The guide sleeve of the hydraulic cylinder is provided with a hydraulic oil inlet and outlet. The cylinder and the hydraulic cylinder are combined into a hydraulic cylinder; application number 200620139448 gas Source pressure self-recognition compressed natural gas filling machine, including several gas storage bottles, pressure transmitters, cut-off valves, pressure judgment control modules and computer control systems, the gas storage bottles are connected to the respective cut-off valve input ports through the gas transmission pipeline The output ends of the cut-off valves are collected in the same gas filling pipeline, and a pressure transmitter is installed on the gas pipeline. The pressure judgment control module is connected with each pressure transmitter and cut-off valve through wires. The computer control system and the pressure judgment control Modules are connected, etc., and there is no reference to improved technology for manufacturing small and low-energy devices
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[0010] The present invention will be further described below in combination with specific embodiments.
[0011] A blowdown valve 3, a stop valve 4, a power connector 9, an air filling port 10, an air inlet 11 and a sewage pipe 14 are installed on the outer wall of the case, and a machine head 5, a filter cartridge 6, an explosion-proof motor 8, and an oil-water separator 12 are installed in the case, wherein, The air inlet 11 is sequentially connected to the filter cartridge 6, the machine head 5, the oil-water separator 12 and the air charging port 10, the explosion-proof motor 8 is connected to the machine head 5, the sewage pipe 14 is connected to the oil-water separation gas 12 or the filter cartridge 6, and the sewage valve 3 is connected to the filter cartridge 6. Sewage pipe 14 is connected.
[0012] An emergency button 1, a pressure gauge 2 and a stop valve 4 are installed on the outer wall of the case.
[0013] The machine head 5 is a four-stage reciprocating piston ...
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The invention relates to a compact-type natural gas compressor, wherein the outer wall of a machine box is provided with a blowoff valve (3), a disconnecting valve (4), a power supply connection (9), an inflation inlet (10), an air inlet (11) and a blowoff pipe (14), wherein the machine box is provided with a machine head (5), a filtering drum (6), an explosion-proof motor and an oil-water separator (12) internally. Efficient four-stage compression and two-stage filtration are adopted, the compressor has a convenient and flexible 'in-situ' inflation property, CNG (compressed natural gas) gas of 25MPa output pressure can be provided, the compressor has functions of automatic stop and blowoff valve simultaneously, a compressed air source is not required to be taken care and cleaned, the device has small volume, low noise, high gas exhaust pressure and long service life, and is mainly used for natural gas air cylinder fueling and natural gas fueling of a fuel gas automobile.
Description
technical field [0001] The invention relates to a related device for filling compressed natural gas into a container or discharging it from the container in the international classification F17C, in particular to a compact natural gas compressor. Background technique [0002] At present, the application of compressed natural gas is becoming more and more widespread, and the technology of natural gas compression is also developing rapidly, but the commonly used ones are large-scale compressors, which are basically evolved from the traditional piston air compressor technology. For example, large-scale compressors: the gas transmission capacity is in 100 metres 3 / min, low-rotation compressor is below 200 rpm or high-rotation compressor is 450-1000 rpm, exhaust pressure is 10-100 gauge pressure medium pressure compressor, and its cylinder position can be divided into: cylinder The cylinders of horizontal compressors and vertical compressors with the center line in the horizont...
Claims
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IPC IPC(8): F04B25/00F04B39/16
Inventor龚玉华
Owner龚玉华