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System and method for performing chemical production by utilizing geothermal energy

A technology of chemical production and geothermal energy, which is applied in the field of geothermal energy utilization and chemical production, can solve the problems of increasing chemical production costs and carbon dioxide pollution, and achieve the effects of environmental protection, production costs, and energy consumption costs

Pending Publication Date: 2017-08-18
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of heating method consumes a large amount of fossil fuels, which not only increases the cost of chemical production, but also increases the emission of carbon dioxide and pollutes the environment.

Method used

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  • System and method for performing chemical production by utilizing geothermal energy
  • System and method for performing chemical production by utilizing geothermal energy

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Experimental program
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Effect test

Embodiment Construction

[0047] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0048] 1. System

[0049] 1. Overall

[0050] On the surface, set with CO 2 Tank 1, CO 2 Injection pump 2, external CO 2 Gas source 3, purifier 4, heat exchanger 5, first chemical kettle 6, second chemical kettle 7 and catalyst 8;

[0051] In the formation, there are reinjection well A, production well B and heat exchange fracture network C;

[0052] External CO 2 Gas source 3, CO 2 Tank 1, CO 2 Injection pump 2, reinjection well A, heat exchange fracture network C, production well B and purifier 4 are connected in sequence to obtain CO with high thermal energy and purification 2 ;

[0053] The first road, the purifier 4 communicates with the first chemical kettle 6, and the first chemical kettle 6 is filled with a catalyst 8, its input port is the import of the first chemical raw material D1, and its output port is the export of the first chemical product E1 , to achieve the f...

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Abstract

The invention discloses a system and method for performing chemical production by utilizing geothermal energy and relates to the field of geothermal energy utilization and chemical production. The system structurally comprises an external CO2 air source, a CO2 tank, a CO2 injection pump, a reinjection well, a heat exchange fracture network, a production well and a purifier which are sequentially communicated to obtain purified CO2 having high heat energy. In the first way, the purifier is communicated with a first reaction kettle, a catalyst is contained in the first reaction kettle, an input port of the first reaction kettle is an inlet of a first reaction raw material, an output port of the first reaction kettle is an outlet of a first reaction product, and primary chemical production is achieved. In the second way, the purifier, a heat exchanger and the CO2 tank are communicated in sequence to achieve heat energy circulation. The geothermal energy is fully utilized for chemical production, the reduction of the production cost is achieved, and the purpose of environmental protection is also greatly achieved.

Description

technical field [0001] The present invention relates to the fields of geothermal energy utilization and chemical production, in particular to a system and method for utilizing geothermal energy for chemical production; specifically, the present invention utilizes CO 2 As a heat transfer medium for geothermal development, the high-temperature CO produced 2 As a raw material or heating medium in chemical production. Background technique [0002] Geothermal energy is a green and renewable energy source; geothermal resources can be divided into natural hot water resources and high-temperature rock mass geothermal resources (also known as dry hot rocks). my country has extremely rich hot dry rock resources, and many places have superior development conditions, such as Yangbajing area in Tibet, Tengchong area in Yunnan, Qiongbei area in Hainan, Taiwan, southeast coastal areas, and Tianchi Lake in Changbai Mountain. Geothermal energy is often used for power generation, but low-te...

Claims

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Application Information

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IPC IPC(8): B01J8/02F24J3/08
CPCB01J8/0278B01J8/0285F24T10/00B01J2208/00946Y02E10/10
Inventor 李小春张强
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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