Heat energy sustainable utilization and coal fire control system and method for coal field fire zone

A fire area and coal field technology, applied in the field of sustainable utilization of thermal energy in coal field fire area and coal fire control system, can solve the problems of resource waste, ecological environment damage, etc.

Active Publication Date: 2016-10-12
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a system and method for sustainable utilization of heat energy and coal fire control in coal fire areas to realize s

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  • Heat energy sustainable utilization and coal fire control system and method for coal field fire zone

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Embodiment Construction

[0011] An example of the present invention will be further described below in conjunction with accompanying drawing:

[0012] The thermal energy sustainable utilization system in the coal field fire area consists of a vacuum liquid storage tank 1, a radiator 2, a horizontal drilling 4, a high temperature resistant circulation pump 7, a thermoelectric power generation module 11, a voltage stabilizing and boosting module 12, a storage battery pack 13 and an inverter 14 and so on.

[0013] Use machine excavation means to isolate the coalfield fire area 17, arrange horizontal boreholes 4 in the independent coalfield fire area 17, inject normal temperature heat carrier into multiple groups of horizontal boreholes 4 through the heat dissipation pipeline 8 and the multi-way valve 3 on the ground surface 16, During the process, the heat carrier absorbs the heat of the coalfield fire area 17 to form a high-temperature heat carrier, which is sent by the high-temperature-resistant circul...

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Abstract

The invention discloses a heat energy sustainable utilization and coal fire control system and method for a coal field fire zone. The system is composed of a vacuum liquid tank, a cooler, a cooling fan, horizontal drill holes, a high-temperature-resistant circulating pump, a thermoelectric power generation module, a voltage stabilizing and increasing module, a storage battery and an inverter. The main operating method includes the steps that the coal field fire zone is isolated with a machine excavation method, the horizontal drill holes are formed in the independent coal field fire zone, a heat carrier absorbs heat in the fire zone through the horizontal drill holes to become a high-temperature heat carrier, the high-temperature heat carrier enters the vacuum liquid tank under the action of the high-temperature-resistant circulating pump, and the thermoelectric power generation module at the bottom of the vacuum liquid tank generates power with the temperature difference between the top end and the bottom end of the thermoelectric power generation module. By means of the system, the heat of the coal field fire zone can be cyclically and sustainably extracted through the heat carrier, heat energy is converted into electric energy through thermoelectric power generation, and thus resource waste is reduced; meanwhile, fire source spreading is prevented by isolating the coal field fire zone, the dual effects of waste energy recycling and coal fire control are achieved, and the system has high practicability.

Description

technical field [0001] The invention relates to a system and method for sustainable utilization of thermal energy in coalfield fire areas and coal fire control, which is suitable for waste energy recovery and utilization and coal fire control. Background technique [0002] Coal fire refers to a large-area coalfield fire that is caused by coal burning due to oxidation and heat accumulation under natural environment or human factors and continues to develop. Coalfield fires are widely distributed in the world, covering the northern and southern hemispheres, not only in China, but also in India, the United States, Russia, Australia, Indonesia, Central Asia and other countries and regions. Coal fires are mainly distributed in Inner Mongolia, Ningxia and Xinjiang in China, and the burning area of ​​coal fires in China reaches 720km 2 13.6 million tons of coal resources are lost directly by direct combustion, and about 200 million tons of coal resources are indirectly lost. At th...

Claims

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Application Information

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IPC IPC(8): H02N11/00F28D20/00
CPCF28D20/0043F28D2020/0078H02N11/00Y02E60/14
Inventor 周福宝苏贺涛陈小雨史波波强子英
Owner CHINA UNIV OF MINING & TECH
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