U-shaped coal gasification reaction device and process for coal gasification by using device

A reaction device and a coal gasification technology, applied in the field of U-shaped coal gasification reaction devices, can solve the problems of high carbon content in fly ash, low energy utilization rate, low carbon conversion rate, etc., so as to improve the slag capture efficiency and avoid waste boiler The effect of fouling and fouling and high slagging efficiency

Inactive Publication Date: 2017-08-29
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the problems of large amount of fly ash generated, high carbon content in fly ash, low carbon conversion rate and low energy utilization rate in the existing e

Method used

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  • U-shaped coal gasification reaction device and process for coal gasification by using device
  • U-shaped coal gasification reaction device and process for coal gasification by using device
  • U-shaped coal gasification reaction device and process for coal gasification by using device

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specific Embodiment approach 1

[0027] Specific implementation mode one: combine Figure 1 ~ Figure 3 Describe this embodiment, a U-shaped coal gasification reaction device in this embodiment is composed of a gasification furnace body 4, a horizontal flue 8 and a waste pot 1; the gasification furnace body 4 is composed of a gasification furnace burner 3, a gasification Furnace 5, water-cooled wall pipe 6 and slag pool 9; the waste pot 1 is composed of radiation heat exchange chamber, convection heat exchange chamber, intermediate furnace wall and synthesis gas outlet 10; the gasification furnace body 4 is provided with gas A gasification furnace 5, the gasification furnace 5 is surrounded by water-cooled wall tubes 6, the upper part of the gasification furnace body 4 is provided with a gasification furnace burner 3, and the gasification furnace burner 3 is connected to the gasification furnace 5 The bottom of the gasification furnace body 4 is provided with a slag pool 9, and the slag pool 9 communicates wit...

specific Embodiment approach 2

[0028] Embodiment 2: This embodiment differs from Embodiment 1 in that: the burner 3 of the gasification furnace is a single burner. Others are the same as the first embodiment.

specific Embodiment approach 3

[0029] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the burner 3 of the gasification furnace is vertically arranged on the upper part of the gasification furnace body 4 . Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a U-shaped coal gasification reaction device and a process for coal gasification by using the device, and aims to solve the problems of large flying ash generation amount, high flying ash carbon content, low carbon conversion rate and low energy utilization rate of an existing entrained flow gasifier. The U-shaped coal gasification reaction device consists of a gasifier body, a horizontal flue and a waste pan, wherein the gasifier consists of a gasifier nozzle, a gasifier hearth, a water cooling wall pipe and a slag basin; the waste pan is divided into a radiation heat exchange chamber and a convection heat exchange chamber through a middle furnace wall; the gasifier body, the horizontal flue and a second gasification chamber form a U-shaped coal gasification reaction region. The U-shaped coal gasification reaction device is used for coal gasification.

Description

technical field [0001] The invention relates to a U-shaped coal gasification reaction device and a coal gasification process using the device. Background technique [0002] my country is the world's largest coal producer and consumer. At present, coal accounts for about 70% of my country's primary energy consumption structure, and more than half of the coal is used in the form of direct combustion. The resulting coal-burning pollutants are harmful to the ecological environment. caused serious pollution. Coal gasification technology is one of the most important clean coal technologies. Coal gasification technology can be used to produce industrial fuel gas, civil fuel gas, chemical synthesis raw material gas, synthetic fuel oil raw material gas, hydrogen fuel cells, synthetic natural gas, rocket fuel, etc. At present, the main coal gasification technologies include moving bed (fixed bed) gasification, fluidized bed gasification, entrained bed gasification and molten bed gasif...

Claims

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Application Information

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IPC IPC(8): C10J3/48C10J3/50
CPCC10J3/48C10J3/485C10J3/506C10J2300/093C10J2300/0959C10J2300/0976Y02P20/10
Inventor 陈智超王浩鹏高禄山李争起曾令艳何涛
Owner HARBIN INST OF TECH
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