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Cooling and washing device for coal gasification high-temperature pyrolysis gas

A technology for high-temperature pyrolysis and washing device, applied in the field of coal gasification, can solve the problems of long process flow, complex structure and difficult material selection of cooling and washing device, and achieve the effects of low cost, reduced material selection difficulty and simple structure

Pending Publication Date: 2021-07-23
兖矿水煤浆气化及煤化工国家工程研究中心有限公司
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Problems solved by technology

By setting a cyclone near the water nozzle of the gray water pipe, the cyclone can realize the initial atomization of the washing water, the cooling and washing device has a long process and a complicated structure; the pyrolysis gas is discharged upward from the gasifier facing the Difficulty in material selection for high temperature pyrolysis gas pipeline

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  • Cooling and washing device for coal gasification high-temperature pyrolysis gas

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Embodiment Construction

[0030] The core of the present invention is to provide a coal gasification high-temperature pyrolysis gas cooling and washing device. The coal gasification high-temperature pyrolysis gas cooling and washing device has a simple structure and can simultaneously solve the problems of high-temperature pyrolysis gas transportation pipeline cooling and pyrolysis gas washing.

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] Please refer to figure 1 , figure 1 It is a schematic structural diagram of a coal...

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Abstract

The invention discloses a cooling and washing device for coal gasification high-temperature pyrolysis gas, which is characterized by comprising a pyrolysis gas channel (4) which is communicated with a gas outlet of a gasification chamber and is used for high-temperature pyrolysis gas to flow through, a spray water annular space (3) arranged on the periphery of the pyrolysis gas channel (4), an external cooling water annular space (2) arranged on the periphery of the spray water annular space (3), water spraying holes (5) are formed in the inner wall of the spray water annular space (3), spray water in the spray water annular space (3) is used for conducting spray cooling on the pyrolysis gas channel (4), and external cooling water in the external cooling water annular space (2) is used for cooling the spray water annular space (3) and the pyrolysis gas channel (4). The cooling and washing device is simple in structure, and the problems of cooling of the high-temperature pyrolysis gas conveying pipeline and washing of the pyrolysis gas can be solved at the same time.

Description

technical field [0001] The invention relates to the technical field of coal gasification, in particular to a coal gasification high-temperature pyrolysis gas cooling and washing device. Background technique [0002] The cooling methods of high-temperature syngas include chilling process and waste boiler process. Representatives of chilling process are Texaco gasification technology, multi-nozzle gasification technology, aerospace gasification technology, and second-generation Tsinghua furnace gasification technology; waste boiler process represents Shell (Shell) gasification technology, third-generation Tsinghua furnace, etc.; related instructions are as follows: [0003] Texaco gasification technology corresponds to the Texaco gasification device. The quenching chamber is equipped with a quenching ring, a downcomer, and an ascending tube. The washing and cooling water enters the quenching chamber in two ways, and the other enters the quenching ring at 45° spray and A water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/06C10J3/82
CPCC10J3/82C10J2300/093C10K1/06
Inventor 路文学于利红吴永国张彦吕传磊李彩艳闫凤琴李磊杨国辉王振华尹洪清褚夫奎
Owner 兖矿水煤浆气化及煤化工国家工程研究中心有限公司
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