Coal gasification equipment having heat recovery function

A heat recovery and heat recovery device technology, applied in the field of coal gasification, can solve the problems of unreasonable energy utilization, large waste of resources, and low thermal efficiency of gasifiers, and achieve the goals of improving energy utilization, saving energy, and improving thermal gas efficiency Effect

Inactive Publication Date: 2017-08-11
TSINGHUA UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, from the perspective of energy utilization, the chilled process gasifier mainly has probl

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  • Coal gasification equipment having heat recovery function
  • Coal gasification equipment having heat recovery function

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0021] The invention belongs to the field of coal gasification and relates to a coal gasification process with heat recovery function, which is a process capable of recovering sensible heat contained in coal combustion products in a gasification furnace 1 . It can effectively improve the thermal gas efficiency and energy utilization rate.

[0022] The heat recovery part of the gasifier 1 in the present invention recovers the heat from the 1200-1650°C crude gas generated by combustion in the gasifier 1, and the by-product saturate...

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Abstract

The invention discloses coal gasification equipment having a heat recovery function. The coal gasification equipment having the heat recovery function comprises a gasifier, a heat recovery device, a scrubber tower and a slag water treatment device, wherein the gasifier is used for combustion gasification of carbonaceous matter; the heat recovery device is connected with the gasifier and used for recovering heat contained in high-temperature high-pressure gas obtained after combustion in the gasifier; the scrubber tower is communicated with the gasifier and used for performing scrubbing dust collection on raw gas; the slag water treatment device is communicated with the scrubber tower and used for concentrating fine slag to recycle slag water. According to the coal gasification equipment having the heat recovery function, the rate of multipurpose utilization of coal can be increased, and energy is saved.

Description

technical field [0001] The invention relates to the technical field of coal gasification, in particular to a coal gasification device with heat recovery function. Background technique [0002] In the related art, the gasifier operates under high temperature and high pressure, and the gasification product after burning the carbonaceous material has relatively high temperature and pressure. The technology and operation of the chilling process are relatively simple, and it is mainly used in coal chemical projects, and it has become increasingly mature and perfect. However, from the perspective of energy utilization, the chilled process gasifier mainly has problems such as low thermal efficiency, large waste of resources, and unreasonable energy utilization. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, the present invention proposes a coal gasification device w...

Claims

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Application Information

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IPC IPC(8): C10J3/48C10J3/50C10J3/84C10J3/86C02F1/06C02F1/52F27D17/00
CPCF27D17/004F27D17/008C10J3/48C10J3/50C10J3/84C10J3/86C02F1/06C02F1/5209C02F2103/18F27D2017/006Y02P10/25Y02P20/10
Inventor 张建胜刘青
Owner TSINGHUA UNIV
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