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Automatic gasification and pyrolysis tar gasifier

A technology for gasification and pyrolysis of coke oil, which is applied in the field of coke gasification furnace, can solve problems such as tar problems, and achieve the effects of reducing equipment cost, optimizing gasification process, and optimizing internal structure

Inactive Publication Date: 2018-12-04
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0012] The present invention improves the internal structure of the gasification furnace, adds a three-layer gasification agent distributor for gas supply heating, rationally organizes the flow field and temperature field in the furnace, and forms a high-temperature zone to crack and gasify tar in the high-temperature zone, solving the problem of existing gasification furnaces. The problem of tar produced in the gasification process, and provide a self-gasification pyrolysis tar gasifier to achieve efficient and clean conversion of coal

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  • Automatic gasification and pyrolysis tar gasifier
  • Automatic gasification and pyrolysis tar gasifier

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Embodiment approach

[0024] as attached figure 1 Shown, implement a kind of self-gasification pyrolysis tar gasifier provided above of the present invention, the structure of this gasifier and self-gasification pyrolysis tar embodiment are as follows:

[0025] A self-gasification pyrolysis tar gasifier, comprising a sealed coal feeder, a double-layered furnace body, a gas distributor, an ash discharge structure and a gas supply system;

[0026] The sealed coal stoker 1 is a series-connected double-bell sealed coal stoker located on the top of the furnace body 2, and is provided with a cleaning air inlet 27 and an exhaust port 28; the ash discharge structure 13 is located at the bottom of the furnace body 2 and is an ash discharge lock.

[0027] The furnace body 2 is a double-interlayer furnace body, the outer interlayer is a water jacket 4, the water jacket water inlet 11 is located at the upper part of the water jacket, and the water jacket outlet 12 is located at the lower part of the water jack...

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Abstract

An automatic gasification and pyrolysis tar gasifier is characterized in that a three-position heated gas distributor, formed by intercommunicating a first heated gas distributor, a second heated gasdistributor and a third heated gas distributor in a furnace body from top to bottom, in the double-interlayer furnace body, distances among the three heated gas distributors are adjusted by the resistance to make pyrolysis gas and tar move towards a pyrolysis gas down channel, the outer interlayer of the double-interlayer furnace body is a water jacket, the inner interlayer of the double-interlayer furnace body is the pyrolysis gas down channel, and a gas lead-out tube is arranged at in the lower middle part of the double-interlayer furnace body. The internal structure of the gasifier is optimized to pyrolyze and gasify the tar, so the problems of device corrosion, air pollution and difficult wastewater treatment caused by tar are alleviated, and a strong support is provided for the development of the coal gasification technology.

Description

technical field [0001] The invention relates to a tar gasification furnace, in particular to a self-gasification pyrolysis tar gasification furnace used in the coal gasification process. Background technique [0002] Coal gasification technology is the core and leading technology of the coal chemical industry, and one of the key technologies to realize the efficient and clean utilization of coal. The basis of process industries such as polygeneration systems; there are many types of coal gasification methods and equipment being applied and developed in the world at present, which can be divided into several typical methods such as fixed bed, fluidized bed and entrained bed according to their mixing mode and motion state ; Each gasification method has different requirements on the particle size, cohesiveness, reactivity, ash melting point, and operating conditions of the raw coal. At the same time, its thermal efficiency, carbon conversion rate, gasification intensity, and ga...

Claims

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Application Information

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IPC IPC(8): C10J3/00C10J3/84C10J3/72
CPCC10J3/00C10J3/72C10J3/84C10J2300/093C10J2300/16
Inventor 李超王琪鲁阳王影张静张永发
Owner TAIYUAN UNIV OF TECH
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