Low-rank coal low-temperature pyrolysis tar gas recycling equipment

A technology of low-temperature pyrolysis and recovery equipment, which is used in gas dust removal, petroleum industry, combustible gas purification, etc. the effect of dependence

Inactive Publication Date: 2016-10-26
朱绍辉
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a low-rank coal low-temperature pyrolysis tar gas recovery device, which has simple structure, reasonable steps, and simple operation. It adopts the matching method of high-temperature electric dust removal and high-temperature cyclone to carry out deep-level dust removal of tar gas, and the secondary dust removal improves coke The dust removal efficiency of oil and gas is improved, and the method of tar cooling instead of water cooling is used to cool the tar gas to ensure the purity of the tar, thereby removing the equipment for subsequent tar purificat

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  • Low-rank coal low-temperature pyrolysis tar gas recycling equipment

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Embodiment Construction

[0009] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings.

[0010] As shown in the figure, a low-rank coal low-temperature pyrolysis tar gas recovery equipment includes a high-temperature electrostatic precipitator 1, a high-temperature cyclone separator 2, a cooling tower 3, an electric tar catcher 4, and The induced draft fan 6, the rotary collector 7, the tar collection pool 8, the tar delivery pump 9, the tar storage tank 10 and the tar cooling pump 11 are provided with a dust collector inlet on the right side of the high temperature electrostatic precipitator 1, and the high temperature electrostatic precipitator 1 The outlet of the dust collector is connected with the separator inlet of the high-temperature cyclone separator 2 through the pipeline, and the separator outlet of the high-temperature cyclone sepa...

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Abstract

The invention relates to the field of low-rank coal low-temperature pyrolysis, in particular to low-rank coal low-temperature pyrolysis tar gas recycling equipment. The low-rank coal low-temperature pyrolysis tar gas recycling equipment comprises a high-temperature electric dust remover, a high-temperature cyclone separator, a cooling tower, an electric tar trapper, an induced draft fan, a rotary trapping collector, a tar collecting pond, a tar delivery pump, a tar storage tank and a tar cooling pump which are sequentially arranged from the right to the left at intervals. Two high-temperature electromagnetic valves are respectively arranged on pipelines, the induced draft fan and the electric tar trapper are communicated with each other via the corresponding pipeline, and the induced draft fan and the rotary trapping collector are communicated with each other via the corresponding pipeline. The low-rank coal low-temperature pyrolysis tar gas recycling equipment has the advantages that the low-rank coal low-temperature pyrolysis tar gas recycling equipment is simple in structure and easy to operate, steps are reasonable, methods for matching high-temperature electric dust removal and high-temperature cyclone with each other are adopted, accordingly, dust in tar gas can be deeply removed, and the dust removal efficiency can be improved for the tar gas by means of secondary dust removal; the tar gas can be cooled by the aid of tar cooling methods instead of water cooling methods, accordingly, the purity of tar can be guaranteed, requirements of people can be effectively met, and problems in the prior art can be solved.

Description

Technical field: [0001] The invention relates to the field of low-rank coal low-temperature pyrolysis, in particular to low-rank coal low-temperature pyrolysis tar gas recovery equipment. Background technique: [0002] At present, the dust removal method of low-rank coal low-temperature pyrolysis tar gas is to use high-temperature cyclone to remove dust. The high-temperature cyclone can only remove larger particles of dust, and the dust removal effect on fine particles is not good, so that the collected tar contains more dust; tar gas tar The method of cooling is to use water cooling through the cooling tower. Since the cooling water is in direct contact with the tar gas, the tar obtained by cooling will contain a large amount of water. It is necessary to add a large number of standing equipment in the tar collection to make the tar and water again. Separation will not only increase the consumption of water resources, but also increase the area occupied by equipment and incr...

Claims

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Application Information

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IPC IPC(8): C10K1/02C10K1/04C10K1/00B01D50/00
CPCC10K1/026B01D50/00C10K1/001C10K1/002C10K1/028C10K1/046
Inventor 朱绍辉李义宋洪训田尚锋
Owner 朱绍辉
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