Coal chemical industry pyrolysis-gasification coupling integrated poly-generation system

A pyrolysis gasification and coupling system technology, applied in the field of coal chemical industry, can solve the problems of low energy utilization efficiency and difficult utilization of pyrolysis semi-coke, maximize utilization efficiency and economic benefits, and adapt to changes in high value-added market demand The effect of reducing the process flow and investment operation cost

Inactive Publication Date: 2019-01-29
宋子豪
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects of the existing technology and provide a coal chemical pyrolysis gasification coupling integrated polygeneration system, which solves the problems of low energy utilization efficiency and difficult utilization of pyrolysis semi-coke in the current coal utilization, and realizes oil, gas, Reasonable allocation of chemicals, electricity and heat to achieve the goals of energy saving, emission reduction and high product benefits

Method used

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  • Coal chemical industry pyrolysis-gasification coupling integrated poly-generation system
  • Coal chemical industry pyrolysis-gasification coupling integrated poly-generation system
  • Coal chemical industry pyrolysis-gasification coupling integrated poly-generation system

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Embodiment 1

[0024] Such as figure 1 As shown, the present invention includes a coal preparation unit 1, a pyrolysis-gasification coupling system A and a polygeneration system B.

[0025] The pyrolysis-gasification coupling system A includes a pyrolysis unit 2 and a gasification unit 8 coupled together, wherein the pyrolysis unit is as attached figure 2 As shown, it includes a pyrolysis furnace 13, a first gas-solid separator 14, a gas-liquid separator 15, an oil-water separator 16, a tar purifier 17, an electric tar catcher 18, a first gas purifier 19, and a semi-coke splitter 20 and coke quenching passivation equipment 21; the gasification unit includes a gasification furnace 22, a second gas-solid separator 23 and a second gas purifier 27. between the parts figure 2 As shown, they are connected through pipelines. Specifically, the two output ends of the pyrolysis furnace 13 are respectively connected to the input end of the first gas-solid separator 14 and the input end of the semi-...

Embodiment 2

[0042] Such as image 3 As shown, in order to make the device simpler, easier to deploy and control, the present invention will attach figure 1 The pyrolysis furnace 13 of the middle pyrolysis unit 2, the gasification furnace 22 and the semi-coke splitter 20 of the gasification unit 8 are integrated into one device to realize the coupling of raw coal pyrolysis and gasification. It includes coal preparation unit 1, pyrolysis gasification coupling unit 25 and polygeneration system B.

[0043] Pyrolysis gasification coupling unit 25 as attached Figure 4 As shown, it includes a pyrolysis gasifier 26, a first gas-solid separator 14, a gas-liquid separator 15, an oil-water separator 16, a tar purifier 17, an electric tar catcher 18, a first gas purifier 19, and a coke quenching passivation equipment 21 , a second gas-solid separator 23 and a second gas purifier 27 . between the parts Figure 4 Shown are connected by pipelines, and the output end of the top of the pyrolysis sect...

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Abstract

The invention provides a coal chemical industry pyrolysis-gasification coupling integrated poly-generation system including a coal preparing unit, a pyrolysis-gasification coupled system A and a poly-generation system B. The poly-generation system B includes: a purified coal gas separation unit connected to a purified coal gas outlet of a pyrolysis unit, a purified tar separation unit connected toa purified tar outlet of the pyrolysis unit, and a chemical product synthesis unit and an IGCC unit respectively connected to a purified gasified gas outlet of a gasification unit; wherein the purified tar separation unit is successively connected with a coal tar hydrofining unit and an oil product separation unit. By means of the coal chemical industry pyrolysis-gasification coupling integratedpoly-generation system, coal pyrolysis and gasification is organically combined with production processes of oil, gas, chemical products, electricity and heat, so that integration of substance transformation and energy transformation is achieved, and classified utilization, increase of value and maximization of utilization efficiency and economic benefit of coal resource are achieved, thus improving energy utilization efficiency.

Description

technical field [0001] The invention belongs to the technical field of coal chemical industry and relates to a polygeneration system with coal pyrolysis and gasification as the core, in particular to a coal chemical pyrolysis gasification coupled integrated polygeneration system. Background technique [0002] my country is a country that is "poor in oil, low in gas, and relatively rich in coal resources". However, coal utilization has always been in an unreasonable industrial layout that only develops coal production and does not pay attention to the comprehensive utilization of coal. The lack of technology, equipment and facilities in the power, chemical and other industries, as well as the irrational product structure have caused my country's units to The energy consumption of output value is 3-4 times that of developed countries. With the increase of coal consumption, more and more environmental problems are faced. In addition, my country's dependence on crude oil and na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B57/00C10J3/00C10K1/00
CPCC10B57/00C10J3/00C10J2300/093C10J2300/1643C10J2300/1659C10J2300/1665C10J2300/1671C10K1/00Y02E20/18
Inventor 宋子豪
Owner 宋子豪
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