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Double-kettle circulating gas hydration multi-stage separation, purification and recovery device and method

A technology of circulating gas and multi-stage separation, applied in gas fuel, petroleum industry, fuel and other directions, can solve the problems of inability to separate coal mine gas, low methane recovery rate, etc., to improve equipment use efficiency, good methane recovery rate, and improve efficiency Effect

Pending Publication Date: 2022-05-10
HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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Problems solved by technology

[0010] What the present invention aims to solve is the technical problem that coal mine gas with different concentrations cannot be separated in the prior art, and the methane recovery rate of one-time separation and purification is low.

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  • Double-kettle circulating gas hydration multi-stage separation, purification and recovery device and method
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  • Double-kettle circulating gas hydration multi-stage separation, purification and recovery device and method

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Embodiment Construction

[0045] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] In the description of the present invention, the terms "first", "second", "third", fourth", fifth", and sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance .

[0047] The first aspect of the present invention provides a double-tank circulating gas hydration multi-stage separation and purification recovery device, the device includes a gas hydration...

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Abstract

The invention relates to a double-kettle circulation gas hydration multi-stage separation, purification and recovery device and a method for carrying out hydration circulation multi-stage separation, purification and methane recovery on gas by using the device. The device comprises a gas hydration system, a gas circulation system, a gas pressurization system and a temperature adjusting system, wherein the gas pressurization system is used for pressurizing gas and filling the pressurized gas into the gas hydration system, and the temperature adjusting system is used for adjusting the temperature of the gas hydration system. According to the device, the double separation kettles are used for dynamically regulating and controlling continuous hydration separation and purification of coal mine gas, and the gas circulation system is added to control gas migration of the double kettles, so that multi-stage separation of coal mine gas with different concentrations / components can be realized, and the efficiency of hydration separation and purification of coal mine gas is improved; the recovery rate of methane in coal mine gas is improved. The device is high in universality, is suitable for separation and purification of extracted gas with different concentrations / components of different coal mines, and also has a very good separation and purification effect on low-concentration coal mine gas.

Description

[0001] This application is a divisional application, the application number of the original application is 201910223283.9, the application date is March 22, 2019, and the title of the invention is "a double-tank circulating gas hydration multi-stage separation, purification and recovery device and method". technical field [0002] The invention relates to the technical field of coal gas separation, in particular to a double-tank circulating gas hydration multistage separation, purification and recovery device and a method for using the device to perform hydration cycle multistage separation and purification of gas and recover methane. Background technique [0003] Coal mine gas, also known as coal bed gas, is a multi-component mixed hydrocarbon dry gas mainly composed of alkanes, in which CH 4 (Chinese name methane) accounts for the vast majority, and a small amount of C 2 h 6 (Chinese name is ethane), C 3 h 8 (Chinese name is propane) and C 4 h 10 (Chinese name is buta...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10
CPCC10L3/108
Inventor 张强张保勇吴强高霞
Owner HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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