Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof

A pressurized gasification and reaction device technology, which is applied to the gasification of granular/powdered fuels, the manufacture of combustible gases, and the petroleum industry. and other issues, to achieve the effect of enhancing operation controllability and reliability, reducing size and footprint, and saving investment

Inactive Publication Date: 2012-10-03
SHANGHAI BOILER WORKS
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  • Abstract
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a dry coal powder graded pressurized gasification reaction device and Its gasification method

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  • Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof
  • Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof
  • Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof

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Embodiment Construction

[0063] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0064] Such as Figure 1-2 As shown, the dry coal powder graded pressurized gasification reaction device of the present invention is set as a vertical cylinder in this embodiment, which includes a furnace shell 1, and a furnace shell 1 is coaxially arranged from top to bottom. Gasification reaction chamber 2 , a synthesis gas cooling chamber 3 and a bottom slag pool 5 .

[0065] A first burner chamber 11 is arranged on the top of the gasification reaction chamber 2 , and an overhead process burner 111 is arranged in the first burner chamber 11 . At the same time, a layer of second burner chambers 21 is arranged on the upper side of the gasification reaction chamber 2 along the circumferential direction, and a side process burner 211 is arranged in each second burner chamber 21 . One la...

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Abstract

The invention discloses a staged-pressurization gasification reaction device for dry pulverized coal. A first burner chamber internally provided with a top-arranged process burner is arranged at the top part of the gasification reaction device; a layer of second burner chamber internally provided with a side-surface process burner is arranged on the side surface at the upper part of the gasification reaction device and along the peripheral direction; a slag hole is also arranged in the bottom of the gasification reaction device; multiple chilling gas inlets are arranged at the upper end part of a synthesis gas cooling chamber; and further, the synthesis gas cooling chamber is also provided with an inner cylinder membrane wall, an outer cylinder membrane wall and a screen wall. The invention further discloses a gasification method, which includes steps as follows: S1, gasified fuel, water vapor and oxygen are sprayed into the gasification reaction chamber for incomplete gasification reaction; S2, oxygen or oxygen rich gas and water vapor are injected into the side surface process burner so as to carry out complete gasification reaction and secondary gasification reaction; S3, gasified products enter the synthesis gas cooling chamber from the slag hole; and S4, synthesis gas is discharged from the synthesis gas cooling chamber, and ash residues are discharged into a bottom slag basin. According to the invention, the service life of the furnace liner is prolonged, and the practical operation flexibility is enhanced.

Description

technical field [0001] The invention relates to a gasification reaction device, in particular to a dry coal powder graded pressurized gasification reaction device and a gasification method thereof. Background technique [0002] Coal gasification technology is the basis for the development of process industries such as coal-based chemicals, coal-based liquid fuels, combined cycle power generation, and hydrogen production, and is the key technology and leading technology in these industries. [0003] The existing carbon-containing fuels such as coal and coke can be gasified. Among the gasification technologies using entrained flow bed, the representative dry coal powder gasification technology mainly includes: the multi-burner technology developed by East China University of Science and Technology and other units. Opposed dry coal pulverized gasifier, Shell gasifier, GSP gasifier and two-stage dry coal pulverized gasifier of State Power Corporation Thermal Engineering Research...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/48C10J3/46C10J3/84C10J3/50C10J3/80C10J3/86C10J3/72
Inventor 倪建军乌晓江张翔张建文
Owner SHANGHAI BOILER WORKS
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