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Natural gas compressor and compression method

A natural gas and compressor technology, applied in the field of natural gas compressors and compression, can solve the problems of reducing the life of the compression device and increasing the starting load of the compression device, so as to achieve the effect of improving the service life, increasing the life and ensuring safety

Active Publication Date: 2019-04-09
康姆凯思压缩机技术(苏州)有限公司
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Problems solved by technology

[0003] Usually, 2 barg of natural gas needs to be directly connected to the compression device to compress the natural gas. When the compression device is just started, the compression device does not enter the normal compression working condition. If the natural gas is directly compressed when the compressor is started, the start-up of the compression device will be greatly increased. load, greatly reducing the life of the compression device

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  • Natural gas compressor and compression method

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] A kind of natural gas compressor of the present invention, as figure 1 As shown, it includes a buffer tank, an air intake device 2, a compression device 3 and a cooling device 4, the buffer tank includes an intake buffer tank 11 and an air outlet buffer tank 12, the intake buffer tank 11, the air intake device 2, the compression device 3, the cooling The device 4 and the outlet buffer tank 12 are connected in sequence; the natural gas first enters the intake buffer tank 11, and then the natural gas in the intake buffer tank 11 is transferred to the compression device 3 through the intake dev...

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Abstract

The invention discloses a natural gas compressor and a compression method. By means of mutual cooperation of a first valve and a second valve, the purpose that gas compressed by the compressor servesas instrument air to drive a pneumatic ball valve of the compressor is achieved, while the cost is saved for a user, switching of a main pipeline and a bypass pipeline can also be carried out according to the actual state of the compressor so that the compressor can be switched between a low load and a heavy load, the service life of the compressor is prolonged, and the stability of the compressoris improved. A pre-shutdown mode is set before shutdown, the oil content in an oil-gas separator in the compressor is reduced, the oil content of discharged gas is reduced, the consumption of oil isreduced, and the service life of the oil-gas separator is prolonged. After shutdown, the first valve is closed, a third valve is opened, the gas is recovered into a gas inlet buffer tank, the purposeof resource recovering is achieved, disconnection of the gas and the compressor is achieved, the potential safety hazards of oil seal gas leakage are avoided, and the safety of the compressor is guaranteed.

Description

technical field [0001] The invention relates to the field of mechanical design, in particular to a natural gas compressor and a compression method. Background technique [0002] Natural gas is a colorless, odorless and non-toxic gas with high calorific value, stable combustion, clean and environmentally friendly, and low price. It is often used as an alternative fuel for urban buses, taxis, short-distance transportation, and distributed energy. [0003] Usually, 2 barg of natural gas needs to be directly connected to the compression device to compress the natural gas. When the compression device is just started, the compression device does not enter the normal compression working condition. If the natural gas is directly compressed when the compressor is started, the start-up of the compression device will be greatly increased. load, greatly reducing the life of the compression device. Contents of the invention [0004] In view of the defects in the prior art above, the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B37/18F04B37/12F04B39/02F04B39/06F04B39/00F04B49/22
CPCF04B37/12F04B37/18F04B39/00F04B39/02F04B39/06F04B49/22
Inventor 陈健
Owner 康姆凯思压缩机技术(苏州)有限公司
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