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Feed gas processing device for natural gas

A processing device and raw material gas technology, applied in lighting and heating equipment, liquefaction, solidification, etc., can solve the problems of high cost, large area occupied by the device, and no integrated utilization, etc., to achieve high operating flexibility, high utilization rate, and good The effect of economic and social benefits

Inactive Publication Date: 2011-08-31
北京中油联自动化技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The LPG recovery unit and the CNG unit are set up and used separately, and have not been well integrated and utilized, making the unit occupy a large area and cost high

Method used

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  • Feed gas processing device for natural gas
  • Feed gas processing device for natural gas

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Embodiment Construction

[0030] Generally speaking, the natural gas raw material gas processing device of the present invention is composed of raw material pretreatment, compression, refrigeration, product fractionation, and dry gas compression. The general device components are different according to the scale and raw material composition. deH 2 S (optional), deCO 2 (optional), dehydration and drying (required); the external cooling process of ammonia refrigeration or propane refrigeration is used for refrigeration; the fractionation process of deethanization + debutanization is used for product fractionation.

[0031] The present invention will be further described below through specific embodiments and in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the natural gas raw material gas processing device includes a sequentially connected raw material gas pre-separator 101, a compression device (arranged with a sequentially connected compressor intercooler 201, a firs...

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Abstract

The invention provides a feed gas processing device for natural gases, which comprises a feed gas preseparator, a compressor, a refrigerating separator and a fractionating device which are connected in sequence. The feed gas processing device also comprises a CNG (compressed natural gas) compressor; the refrigerating separator and the fractionating device are respectively provided with a dry gas exhausting pipe; and the CNG (compressed natural gas) compressor is connected with the dry gas exhausting pipe of the refrigerating separator and the dry gas exhausting pipe of the fractionating device. The feed gas processing device is particularly suitable for processing the natural gas incapable of being fed into a gathering pipe network of far oil-gas fields or sporadic oil-gas wells, can greatly reduce investment, and can simultaneously reduce the operating energy consumption during the production process. The liquefied gas and stabilized light dydrocarbon produced by the feed gas processing device can be used as chemical raw materials and industrial or civil fuels; the compressed natural gas can be conveyed to cities and used as fuel for natural gas automobiles to replace gasoline and diesel used by urban automobiles; and the feed gas processing device greatly cleans urban environment, and has excellent economic benefits and social benefits.

Description

technical field [0001] The invention relates to a natural gas raw material gas processing device, and the natural gas raw material gas can be oilfield associated gas, crude oil stable gas, natural gas reservoir raw material gas and the like. Background technique [0002] Natural gas feedstock gas, especially oilfield associated gas, contains a large amount of C 3 h 8 And above precious light hydrocarbon resources, under normal circumstances, these resources have been recovered and utilized, and the dry gas recovered from light hydrocarbons enters the gathering and transportation pipeline network, and the resources are fully utilized. [0003] For the sporadic oil and gas wells in oil and gas fields and the oil and gas resources in remote oil and gas fields, due to the small amount of gas and scattered distribution, most of them have not been well utilized, and sometimes they have to be burned with torches to avoid greenhouse gas emissions caused by direct venting. The inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25J3/00
CPCF25J3/0209F25J3/0233F25J3/0242F25J2200/02F25J2200/72F25J2205/04F25J2205/60F25J2210/04F25J2220/66F25J2220/68F25J2230/04F25J2230/30F25J2245/02F25J2270/02F25J2270/90
Inventor 贺江林林清安杨化淳
Owner 北京中油联自动化技术开发有限公司
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