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A coal gasification system, coal gasification method and solid chiller

A technology for solid cooling and coal gasification, which is applied in the field of coal gasification and can solve the problems of low performance of coal gasification system and the like

Active Publication Date: 2017-08-29
ENN SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a coal gasification system, a coal gasification method and a solid chiller, which are used to solve the problem of low performance of the coal gasification system

Method used

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  • A coal gasification system, coal gasification method and solid chiller
  • A coal gasification system, coal gasification method and solid chiller
  • A coal gasification system, coal gasification method and solid chiller

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Embodiment 1

[0054] see figure 1 , the embodiment of the present invention provides a coal gasification system, including: a gasification furnace 8 with an inner cylinder 7 and a solid chiller, wherein the solid chiller is arranged inside the inner cylinder 7 and is located at the lower part of the inner cylinder 7 , The solid chiller includes an annular pipe 1, and the annular pipe 1 is provided with a feed port 11 and a discharge port 12.

[0055] When using the coal gasification system provided in the above embodiment for coal gasification, the reactant material and gasification agent enter the inner tube 7 of the gasifier 8 above the gasifier 8, and undergo gasification reaction in the inner tube 7 to form Crude gas and solid materials, specifically, when the gasification agent is hydrogen, the solid materials generated by the gasification reaction are semi-coke particles; when the gasification agent is not hydrogen, the solid materials generated by the gasification reaction are ash pa...

Embodiment 2

[0073] Embodiment 2 of the present invention provides a coal gasification method, which is applied to the coal gasification system described in Embodiment 1 above. The coal gasification method provided in Embodiment 2 of the present invention includes:

[0074] The reaction materials are gasified on the upper part of the inner tube 7 of the gasifier to generate crude gas and solid materials; Enter the annular pipe 1, and enter the inner cylinder 7 from the discharge port 12 of the annular pipe 1, and the cooled solid material entering the inner cylinder 7 contacts the crude gas in the inner cylinder 7, so that the temperature of the crude gas is reduced, and the temperature is reduced. The crude gas is discharged from the gas outlet 81 of the gasifier 8 .

[0075] Because the gasification reaction in the inner cylinder 7 will generate solid materials, the coal gasification method in which the crude gas in the inner cylinder 7 is cooled by passing the cooled solid materials int...

Embodiment 3

[0093] see figure 1 and figure 2 Embodiment 3 of the present invention provides a solid chiller, which can be applied to the coal gasification method provided in Embodiment 2 above. Specifically, the solid chiller is arranged in the inner cylinder of gasifier 8 in the coal gasification system 7, and located at the lower part of the inner cylinder 7, the solid chiller includes an annular pipe 1, a second baffle plate 2 and a connecting pipe 3; wherein, the annular pipe 1 is provided with a feed port 11 and a discharge port 12, and the second The baffle plate 2 is provided with an opening 22, and the opening 22 of the second baffle plate 2 is set corresponding to the discharge port 12 of the annular pipe 1; the opening 22 of the second baffle plate 2 and the discharge port 12 of the annular pipe 1 pass through the connecting pipe 3 connected, and the upper end of the second baffle plate 2 is arranged above the annular pipe 1, and the diameter of the upper end of the second baf...

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Abstract

The invention discloses a coal gasification system, a coal gasification method and a solid chiller, relates to the technical field of coal gasification, and solves the problem of low service performance of the coal gasification system. The coal gasification system includes a gasifier with an inner cylinder, and a solid chiller is provided at the lower part of the inner cylinder, and the solid chiller includes an annular pipe provided with a feed inlet and a discharge outlet, and the solid material Enter the annular pipe from the inlet of the annular pipe, and enter the inner cylinder from the outlet of the annular pipe, so that the crude gas in the inner cylinder is cooled. The coal gasification system provided by the invention is used to improve the service performance of the coal gasification system.

Description

technical field [0001] The invention relates to the technical field of coal gasification, in particular to a coal gasification system, a coal gasification method and a solid chiller. Background technique [0002] Coal is an important energy source. At present, coal is mainly used through direct combustion, but direct combustion leads to low utilization rate of coal and pollutes the environment. For this reason, a kind of coal gasification technology has emerged, which converts coal into gas, so as to improve the utilization rate of coal and reduce the pollution to the environment. [0003] Coal gasification is realized by using a coal gasification system. In the gasifier of the coal gasification system, coal undergoes a gasification reaction with a gasification agent to generate crude gas. Since the temperature of the generated crude gas is very high, it is necessary to use a chilling process to make the crude gas After the gas is cooled, it can enter the next processing un...

Claims

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Application Information

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IPC IPC(8): C10J3/20C10J3/72
Inventor 汪国庆郑征马志超周三聂永广景旭亮
Owner ENN SCI & TECH DEV