Coal gangue ecological resource comprehensive utilization equipment and comprehensive utilization method thereof

Abstract

The invention belongs to the technical field of solid waste comprehensive utilization, and provides coal gangue ecological resource comprehensive utilization equipment and a comprehensive utilizationmethod of the coal gangue ecological resource comprehensive utilization equipment. The coal gangue ecological resource comprehensive utilization equipment and the comprehensive utilization method of the coal gangue ecological resource comprehensive utilization equipment aim at solving the problem of serious environmental pollution caused by disordered stacking of massive coal gangue at present,andare provided based on the property that the coal gangue can be burnt spontaneously to release a large amount of heat. The equipment comprises a coal gangue reactor system, an air supply system, a temperature control system, a liquid working medium circulating system, a working medium circulating power generation system and an exhaust gas collecting system, wherein the air supply system, the temperature control system, the liquid working medium circulating system, the working medium circulating power generation system and the exhaust gas collecting system are connected with the coal gangue reactor system. After coal exploitation, the coal gangue is directly sorted and stacked in a coal gangue reaction box to be processed. Waste gas generated by spontaneous combustion of the coal gangue iscollected to generate industrial raw materials such as sulfuric acid and nitric acid, and pollution caused by the waste gas is avoided. After spontaneous combustion of the coal gangue, solid productsare mixed with urban sludge and leaves to form a green plant fertilizer, so that the ecological utilization of the coal gangue is realized. By means of the coal gangue ecological resource comprehensive utilization equipment and the comprehensive utilization method of the coal gangue ecological resource comprehensive utilization equipment, the ecological resource utilization of the coal gangue is realized, the coal gangue is used as a resource, and meanwhile, the pollution of the coal gangue to the environment is avoided.

Description

technical field [0001] The invention belongs to the technical field of comprehensive utilization of solid waste, and in particular relates to comprehensive utilization equipment for coal gangue ecological resource utilization and a comprehensive utilization method thereof. Background technique [0002] Coal gangue is a kind of sedimentary rock with lower carbon content and harder than coal that is sorted out during the coal mining process, accounting for about 10%-20% of the total coal output. With the mining of coal, coal gangue has been formed in my country at present. There are more than 2,600 mountains, with a cumulative storage capacity of 4.5 billion tons, covering an area of ​​1.3×10 4 hectares, and the stockpile of coal gangue continues to increase at a relatively rapid rate. The coal gangue stacked in the open air not only occupies a large amount of cultivated land, but also because the coal gangue contains a large amount of residual coal and sulfide and other miner...

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Problems solved by technology

[0004] Aiming at the problem of serious environmental pollution caused by a large amount of disorderly stacking of coal gangue at present, and at the same time based on the property that coal gangue can spontaneously combust and release a large amount of heat, the present invention provides a comprehensive utilization device for ecological resource utilization of coal gangue and its comprehensive utilization method

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