A kind of gasifier and gasification method of carbonaceous raw material

A gasification furnace and carbon-based technology, applied in the direction of gasification device feeding tools, gasification process, gasification device details, etc., can solve the problems of low carbon conversion rate, poor environmental protection, high energy consumption, etc.

Active Publication Date: 2022-08-09
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a gasifier and gasification method for processing carbonaceous raw materials, so as to solve the problem of low carbon conversion rate and high energy consumption in the process of processing carbonaceous raw materials in the coal cascade conversion and co-production technology existing in the prior art , poor environmental protection and other issues

Method used

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  • A kind of gasifier and gasification method of carbonaceous raw material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Using coal A as the third carbonaceous raw material, the analysis results of coal A samples are shown in Table 1. The coal A is dried and crushed, and the fine powder of coal A with a particle size of less than or equal to 0.15 mm is used as the second carbonaceous raw material. Coal A and the second carbonaceous raw material are the same substance. The pulverized coal with a particle size of 0.1-0.5 mm after coal A is crushed is pyrolyzed using a solid heat carrier pyrolysis furnace, and the semi-coke produced by pyrolysis at 600 ° C is used as the first carbonaceous raw material, and its particle size is in the range of 0.1- Between 0.5 mm, the analysis results of the first carbonaceous raw material are shown in Table 2.

[0044] By adopting the gasifier provided by the present invention, the gasifier includes a feeding cylinder, a main feeding pipe, an auxiliary feeding pipe, a vertical furnace body, a burner and a slag outlet. Wherein, the inner diameter ratio of t...

Embodiment 2

[0059] The same coal as in Example 1 was used as the third carbonaceous raw material, and the analysis results of the coal samples are shown in Table 1.

[0060] . The coal A is dried and crushed to obtain a second carbonaceous raw material, the particle size of which is less than or equal to 0.15 mm. Partially gasify coal A in a fluidized bed gasifier, and use the gasification residue, i.e. carbon-containing by-products, as the first carbonaceous raw material, the particle size of which ranges from 0.1 to 0.45 mm. The analysis results of the first carbonaceous raw material As shown in Table 4.

[0061] The gasification reaction was carried out using the same gasifier as in Example 1.

[0062] The feed temperature of the first carbonaceous raw material is 850°C, and it enters the feed cylinder body from the main feed pipe, and then enters the vertical furnace body. The feed temperature of the second carbonaceous raw material is 40°C, and it enters the vertical furnace body ...

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Abstract

A gasifier and a gasification method for carbonaceous raw materials, the gasifier comprises a main feeding pipe, an auxiliary feeding pipe, a feeding cylinder, a vertical furnace body, a burner and a slag outlet, the feeding The upper part of the barrel body is provided with a main feeding pipe for feeding the first carbonaceous raw material, and at least two auxiliary feeding pipes for feeding the gasification agent are provided on the side wall of the feeding barrel body, so the At least two burners for simultaneous feeding of the second carbonaceous raw material and gasification agent are arranged on the side wall of the vertical furnace body, and at least one burner is arranged below the vertical furnace body for discharging crude gas and liquid slag slag outlet. The gasification furnace and the gasification method provided by the invention not only utilize the thermal energy of the carbonaceous raw material feedstock reasonably, but also improve the conversion rate of the carbonaceous raw material in the entrained-flow gasifier.

Description

technical field [0001] The present invention relates to a gasification furnace and a gasification method, and more particularly, to a gasification furnace and a gasification method for processing carbonaceous raw materials. Background technique [0002] Coal pyrolysis can produce semi-coke, coal tar and gas, but pyrolysis requires external heat energy, so that the raw coal can be pyrolyzed at a certain temperature. One of the heating methods is to use high-temperature semi-coke or high-temperature ash to directly contact the raw coal to exchange heat and undergo a pyrolysis reaction. If the purpose is to produce coke, the high temperature coke produced needs to be cooled, and the heat energy loss is serious. If the purpose is to produce coal tar, the high-temperature semi-coke produced also needs to be cooled before further processing, which also causes heat loss. [0003] Gasification technology is a process in which carbon-containing substances such as coal are used as r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/46C10J3/48C10J3/50
CPCC10J3/466C10J3/485C10J3/50C10J3/506C10J3/46C10J3/48C10J2300/093C10J2300/0906C10J2300/0909C10J2300/0976C10J2300/0959C10J2200/15C10J2200/152C10J2300/0913C10J2300/0943C10J2300/0916C10J2300/0923Y02P20/145
Inventor 吴治国王鹏飞邹亮王蕴王卫平
Owner CHINA PETROLEUM & CHEM CORP
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