Multi-stage internal-heat cyclone type pulverized coal hydropyrolysis reaction device and process thereof
A hydropyrolysis and reaction device technology, applied in gasification process, petroleum industry, special forms of dry distillation, etc., can solve the problems of difficult enlargement of production equipment, high equipment material requirements, low heat transfer efficiency, etc. , The effect of low equipment selection requirements and short process flow
Inactive Publication Date: 2017-06-20
杨立先 +7
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Problems solved by technology
However, the above-mentioned existing processes have problems such as difficult scale-up of production equipment, low heat transfer efficiency, high requirements for equipment materials, and complicated processes.
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[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] Such as figure 1 As shown, the multi-stage internal heat cyclone type pulverized coal hydropyrolysis reaction device includes a multi-stage reactor 1, the coke outlet at the bottom of the multi-stage reactor 1 is connected with a section of semi-coke cooler 2, and the multi-stage reactor 1 The bottom air inlet is connected to the gas heating furnace 3, the top gas outlet of the multi-stage reactor 1 is connected to the crude gas dust collector 4, the gas outlet of the crude gas dust collector 4 is connected to the waste heat boiler 5, and the crude gas dust ...
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Abstract
The invention relates to a multi-stage internal-heat cyclone type pulverized coal hydropyrolysis reaction device and a process thereof, and belongs to the technical field of pulverized coal hydropyrolysis. The invention provides the multi-stage internal-heat cyclone type pulverized coal hydropyrolysis reaction device which is high in heat and mass transfer efficiency, low in equipment material selection requirement, short in process flow, less and simple in equipment, flexible in production operation and high in safety reliability, and the process thereof. According to the technical scheme adopted by the invention, a multi-stage reactor is separately connected with a one-section semi-coke cooler and a coal gas heating furnace; the top of the multi-stage reactor is connected with a raw coal gas dust remover; the raw coal gas dust remover is separately connected with a spraying washing tower and a tar separator through a waste heat boiler; the spraying washing tower is connected with a gas-liquid separator, and is separately connected with the tar separator; the gas-liquid separator is connected with a pure coal gas pipeline; a coal gas fan and a coal gas branch tube are arranged on the pure coal gas pipeline; and the coal gas branch tube is connected with the one-section semi-coke cooler. The multi-stage internal-heat cyclone type pulverized coal hydropyrolysis reaction device is widely used for pulverized coal hydropyrolysis.
Description
technical field [0001] The invention relates to a multi-stage internal heat cyclone type pulverized coal hydrogenation pyrolysis reaction device and a process thereof, belonging to the technical field of pulverized coal pyrolysis. Background technique [0002] my country's energy structure is characterized by "rich coal, poor oil, and little gas", and coal will continue to be the main energy source in my country for a period of time to come. The economic development of the western region needs the support of the new coal chemical industry. [0003] During coal mining and subsequent processing, 40% of the pulverized coal with particle size less than 10mm will be produced, and this part of coal is currently mainly used as fuel. Since the very useful chemical components such as phenol and naphthalene and coal tar are not extracted from coal and burned directly as fuel, in fact this is a waste of energy. [0004] In the country's "13th Five-Year Plan for Energy Development", i...
Claims
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IPC IPC(8): C10J3/48C10J3/46C10J3/84C10J3/80C10B53/04
CPCY02P20/129C10J3/48C10B53/04C10J3/46C10J3/80C10J3/84C10J2300/0936C10J2300/0966C10J2300/1207
Inventor 杨立先任延杰赵庆新张春生王跃武王艳华常嘉瑞尚新立
Owner 杨立先