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Novel gasification burner

A technology of oxidant and combustion system, applied in the details of gasification device, granular/powdered fuel gasification, burner, etc., can solve the problem of not considering the effective distribution and gasification of fuel raw materials

Pending Publication Date: 2022-02-25
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For existing equipment, this delivery subsystem does not take into account the efficient distribution and gasification of various fuel feedstocks

Method used

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  • Novel gasification burner
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] A coal-water slurry gasifier with a daily processing capacity of 1,000 tons of coal and petroleum coke. The pressure of the gasifier is 6.5MPaG, the gasification temperature is 1300°C, and the oxidant is pure oxygen.

[0075] Raw coal from Shenhua and organic waste water from a chemical plant are pulverized into coal water slurry with a concentration of 61wt%, which is sent to storage tank A through pipelines. The petroleum coke slurry made by adding water to the petroleum coke is sent to the storage tank B through the pipeline after being ground, and the concentration of the petroleum coke slurry is 62wt%. The raw material composition is shown in Table 1 and Table 2.

[0076] The two-channel delivery of coal-water slurry and petroleum coke flow is realized through two frequency conversion pumps, one large pump corresponds to the large flow channel, and one small pump corresponds to the small flow channel. The process burner is as figure 1 and figure 2 In the shown ...

Embodiment 2

[0088] A coal-water slurry gasifier with a daily processing capacity of 1,000 tons of coal and oil sludge. The pressure of the gasifier is 6.5MPaG, the gasification temperature is 1300°C, and the oxidant is pure oxygen.

[0089]Raw coal from Shenhua and organic waste water from a chemical plant are pulverized into coal-water slurry with a concentration of 61wt%, which is sent to storage tank compartment C through pipelines. Raw coal from Shenhua and oil sludge from a chemical plant are mixed with water at a ratio of 8:2. After grinding, the mixed slurry is sent to the storage tank compartment D through a pipeline, and the slurry concentration is 60wt%. The raw material composition is shown in Table 4, Table 5 and Table 6.

[0090] Two frequency conversion pumps are used to realize two-channel transportation of coal-water slurry and mixed slurry flow, one large pump corresponds to the large flow channel, and one small pump corresponds to the small flow channel. The process bur...

Embodiment 3

[0104] A coal-water slurry gasifier with a daily processing capacity of 1500 tons of coal, the pressure of the gasifier is 6.5MPaG, the gasification temperature is 1300°C, and the oxidant is pure oxygen.

[0105] Raw coal from Shenhua is pulverized into coal water slurry with a concentration of 62wt%, and sent to storage tank E through pipelines. The raw coal composition is shown in Table 8.

[0106] The process burner is as figure 1 and figure 2 In the four-channel burner shown, the first channel in the center and the third channel 8 and 10 in the outside are fed into the oxidant, and the second and fourth channels 9 and 11 are fed into the fuel. The coal water slurry in storage tank E enters the diaphragm plunger pump through the pipeline. The diaphragm plunger pump adopts the type of single inlet and double outlet. The diaphragm plunger pump adjusts its flow and pressure according to the required flow and pressure. The second channel 9 for the inner slurry entering the ...

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Abstract

The invention relates to a novel gasification burner, for example, provides a combustion system comprising a multi-channel burner having at least four channels and a delivery subsystem capable of delivering fuel feedstock to different fuel channels of the burner, respectively; the multi-channel burner is provided with 2n layers of annular device walls so as to correspondingly form 2n channels, the multi-channel burner sequentially forms a first channel to a 2n-th channel from a first device wall to a 2n-th device wall in the axial direction from inside to outside, preferably, n is larger than or equal to 2 and smaller than or equal to 6, the first channel is a cylindrical space, and the other channels are annular spaces; wherein the odd-numbered channels are used for providing oxidizing agents for the burners, and the even-numbered channels are used for providing fuel raw materials for the burners; and the burner is the pre-filming external mixing type burner.

Description

technical field [0001] The invention relates to a novel combustion system, in particular to a gasification process burner and a corresponding feed distribution system. Background technique [0002] The burner is a combustion device used on industrial fuel furnaces. It usually includes fuel inlets / channels, oxidant inlets / channels and injection holes, which play the role of distributing fuel and oxidizers, so that fuel and oxidizers (such as air) are ejected in a certain way Mixed combustion. [0003] The clean and efficient utilization of coal is not only the key to transforming coal into clean secondary energy and chemicals, but also the link between coal utilization and environmental protection. With the development of industrial technology, coal gasification technology has experienced the first generation of fixed bed gasification technology, the second generation of fluidized bed gasification technology and the third generation of entrained bed gasification technology. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/50F23D11/26F23D11/38
CPCC10J3/50F23D11/26F23D11/38C10J2200/152
Inventor 亢万忠吕亮功庞睿冯亮杰张永伟曽宪松洪波王令光刘建兵章瑞林杨德兴孙欣孙志刚曹孟常
Owner CHINA PETROLEUM & CHEM CORP