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Cooling and washing equipment for high-temperature coal gas

A technology for washing equipment and gas, which is applied in the manufacture of combustible gas, combustible gas purification, combustible gas purification/transformation, etc., can solve the problems of syngas with ash, downpipe easy to burn through, washing and cooling chamber components easy to damage, etc., to achieve Strengthen cooling and dust removal, prolong the washing time, and protect from burning

Active Publication Date: 2014-09-03
SHANGHAI BOILER WORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve are the technical problems that the downcomer is easy to burn through, the synthesis gas is ash-carrying, and the internal components of the washing and cooling chamber are easily damaged in the existing device for cooling and washing high-temperature gas.

Method used

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  • Cooling and washing equipment for high-temperature coal gas
  • Cooling and washing equipment for high-temperature coal gas
  • Cooling and washing equipment for high-temperature coal gas

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Embodiment

[0023] Such as Figure 1-3 As shown, it is a schematic structural diagram of a high-temperature gas cooling and washing equipment provided by the present invention, which includes a pressure-bearing shell 1, and the two sides of the pressure-bearing shell 1 are respectively provided with a washing water inlet 8 and a synthesis gas outlet 10, and the bottom is provided with Liquid outlet 17 and slag outlet 18. The upper part of the pressure housing 1 is the gasification chamber 2 and the bottom part is the slag pool 16 . The lower side of the gasification chamber 2 is connected with the water spray ring 3, the water spray ring 3 includes the water spray outer ring 19 and the water spray inner ring 20, the washing water inlet 8 communicates with the water spray inner ring 20; There is an opening 4, and the water spray inner ring 20 communicates with the water spray outer ring 19 through the opening 4; the lower side of the water spray ring 3 is connected to the downcomer, and t...

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Abstract

The invention discloses cooling and washing equipment for high-temperature coal gas. The cooling and washing equipment is characterized by comprising a pressure bearing casing, wherein a washing water inlet and a synthesis gas outlet are formed in two sides of the pressure bearing casing respectively; a liquid discharge opening and a slug discharge opening are formed in the bottom; the upper part of the pressure bearing casing is a gasification chamber, and the bottom of the pressure bearing casing is a dreg pool; the lower side of the gasification chamber is connected with a water ejecting ring; the water ejecting ring comprises an outer water ejecting ring and an inner water ejecting ring; the washing water inlet is communicated with the inner water ejecting ring; an opening is formed in the upper side of the inner water ejecting ring; the inner water ejecting ring is communicated with the outer water ejecting ring through the opening; the lower side of the water ejecting ring is connected with a downcomer; at least one atomization nozzle is arranged on the outer side of the outer water ejecting ring at the position outside the downcomer. According to the invention, double-layer structure water ejecting rings which are communicated in the inner part are adopted, the requirement that the cooling water enters the downcomer from the inner layer is met, and the requirement of water supply for the atomization nozzle on the outer layer is met; the downcomer with the double ring wall structure can effectively overcome uneven distribution of the water film, and can effectively protect the downcomer from burning damage.

Description

technical field [0001] The invention relates to high-temperature gas cooling and washing equipment, which belongs to the technical field of entrained bed coal gasification. Background technique [0002] Large-scale pressurized entrained bed coal gasification technology has become an important way and development direction of clean and efficient coal conversion in my country, and has very important practical and strategic significance for saving energy and reducing greenhouse gas emissions. [0003] The coal gasification reaction in the entrained bed gasification device that uses coal and other hydrocarbons as raw materials is usually carried out at a high temperature of 1200-1700 ° C. The high-temperature crude synthesis gas generated by the reaction needs to be cooled to a specific temperature before it can enter subsequent production operations craft. Different types of gasifiers have different cooling methods for high-temperature crude syngas according to process require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/84C10K1/10C10K1/06
Inventor 李平张建文倪建军乌晓江马胜
Owner SHANGHAI BOILER WORKS
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