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Cold and hot backflow temperature control system for acidic natural gas compression system

A sour natural gas and compression system technology, applied in pump control, liquid displacement machinery, displacement pump components, etc., can solve problems such as unstable compressor operation, unstable gas temperature, and uncontrollable temperature

Pending Publication Date: 2020-05-19
SHANDONG KERUI COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this design can heat the return gas to above 40°C, on the one hand, due to the difference in the return flow rate of the gas, the temperature of the gas heated by the gas heater is unstable, and the temperature of the mixed gas cannot be controlled, which affects the operation of the compressor. certain instability

Method used

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  • Cold and hot backflow temperature control system for acidic natural gas compression system
  • Cold and hot backflow temperature control system for acidic natural gas compression system

Examples

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Effect test

Embodiment 1

[0017] A cold and hot return temperature control system for a sour natural gas compression system, comprising an intake pipeline 1, a washing tank 2, an intake buffer tank 3, a compressor 4, an exhaust buffer tank 5, an air cooler 6 and an exhaust pipeline 7, the above features They are connected sequentially, and the connection method is flange connection, and a sealing gasket is provided at the connected position. One end of the air inlet pipe 1 communicates with the air inlet of the washing tank 2, and the air outlet of the washing tank 2 It is communicated with the air inlet of the intake buffer tank 3, the air outlet of the air intake buffer tank 3 is communicated with the air inlet of the compressor 4, and the air outlet of the compressor 4 is connected with the exhaust buffer tank 5, the air outlet of the exhaust buffer tank 5 communicates with the air inlet of the air cooler 6, the air outlet of the air cooler 6 communicates with the exhaust pipe 7, and the natural gas ...

Embodiment 2

[0025] A cold and hot return temperature control system for a sour natural gas compression system, comprising an intake pipeline 1, a washing tank 2, an intake buffer tank 3, a compressor 4, an exhaust buffer tank 5, an air cooler 6 and an exhaust pipeline 7, the above features They are connected sequentially, and the connection method is flange connection, and a sealing gasket is provided at the connected position. One end of the air inlet pipe 1 communicates with the air inlet of the washing tank 2, and the air outlet of the washing tank 2 It is communicated with the air inlet of the intake buffer tank 3, the air outlet of the air intake buffer tank 3 is communicated with the air inlet of the compressor 4, and the air outlet of the compressor 4 is connected with the exhaust buffer tank 5, the air outlet of the exhaust buffer tank 5 communicates with the air inlet of the air cooler 6, the air outlet of the air cooler 6 communicates with the exhaust pipe 7, and the natural gas ...

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Abstract

The invention discloses a cold and hot backflow temperature control system for an acidic natural gas compression system. The system comprises an air inlet pipeline, a washing tank, an air inlet buffertank, a compressor, an exhausting buffer tank, an air cooler and an exhausting pipeline, wherein one end of the air inlet pipeline communicates to an air inlet of the washing tank, an air outlet of the washing tank communicates to an air inlet of the air inlet buffer tank, an air outlet of the air inlet buffer tank communicates to an air inlet of the compressor, an air outlet of the compressor communicates to an air inlet of the exhausting buffer tank, an air outlet of the exhausting buffer tank communicates to an air inlet of the air cooler, an air outlet of the air cooler communicates to the exhausting pipeline, a cold backflow pipeline is arranged between the air inlet of the washing tank and the air outlet of the air cooler, and the air inlet of the washing tank and the air outlet ofthe exhausting buffer tank are provided with hot backflow pipelines, so that it is ensured that not only is the gas temperature higher than 40 DEG C, but also the temperature of mixed gas is controllable.

Description

technical field [0001] The invention relates to the technical field of natural gas compression, in particular to a cold and hot return temperature control system for a sour natural gas compression system. Background technique [0002] In natural gas compressor skids, due to the unstable upstream gas volume, a return valve is usually designed to ensure the stability of the intake pressure of the compressor unit under different gas volumes. The sour natural gas separated by the amine stripper contains about 60%~90% CO2 and a small amount of gaseous water, and the temperature is kept at 40°C. The temperature of the gas refluxed through the downstream reflux valve will be much lower than 40°C, and it will be mixed with the gas separated by the stripping tower, so that the inlet temperature of the compressor unit will be lower than 40°C. When the temperature is lower than 40°C, liquid water will precipitate out of acidic natural gas, and CO2 dissolves in liquid water to form an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B41/02F04B39/06F04B39/16F04B49/22
CPCF04B39/06F04B39/16F04B41/02F04B49/225
Inventor 王利振黄艳霞李璐翟昭伟徐小宁孙丰波王赛东陈志强惠金梁
Owner SHANDONG KERUI COMPRESSOR