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Multi-angle spraying water coal slurry gasification device

A gasification device, a coal-water slurry technology, which is applied in the gasification of granular/powdered fuel, the production of combustible gas, and the liquid carbon-containing fuel, etc. It can improve the reaction efficiency, increase the amount of coal input, and achieve uniform atomization effect.

Active Publication Date: 2013-12-04
CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a multi-angle jet coal-water slurry gasification device to solve the problem of low slurry concentration, ablation vault brick, coal slurry atomization effect, and poor flow field enhancement in the prior art. And other issues

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like figure 1 As shown, the present invention includes a coal water slurry preparation mechanism 100 , a gasification mechanism 200 and a washing mechanism 300 .

[0017] The coal water slurry preparation mechanism 100 includes a coarse grinder 1 , a fine grinder 2 and a coal slurry pump 3 . The discharge port of the coarse mill 1 is divided into two routes, one route is connected with the feed port of the fine mill 2, the other route is connected with the coal slurry pump 3, and the discharge port of the fine mill 2 is connected with the feed port of the coarse mill 1. The feed port is connected. In this embodiment, the coal-water slurry preparation mechanism 100 adopts the method of preparing high-concentration coal-water slurry with low-rank coal to produce high-concentration coal-water slurry whose coal particle mass accounts for more tha...

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Abstract

The invention relates to a multi-angle spraying water coal slurry gasification device which comprises a water coal slurry preparation mechanism, a gasification mechanism and a washing mechanism. The gasification mechanism comprises a gasification furnace composed of a gasification chamber and and a shock chilling chamber. A main burner is arranged at the top of the gasification chamber in the axial direction. A plurality of auxiliary burners are arranged on the middle upper portion of the gasification chamber along the circumference in an even symmetrical mode. The bottom of the gasification chamber is provided with a tapered outlet extending into the shock chamber. A coal gas outlet is formed in the upper portion of the shock chilling chamber. Shock chilling water with certain liquid level is stored in the lower portion of the shock chilling chamber. A shock chilling ring and a descending tube are sequentially arranged on the lower portion of the tapered outlet of the gasification chamber. A plurality of water outlet holes with certain inclined angles are evenly formed in the inner annular wall of the shock chilling ring along the circumference direction. The outlet end of the descending tube extends below the liquid face of the shock chilling chamber. The washing mechanism comprises a washing tower communicated with the coal gas outlet through a washing device. A water outlet of the washing tower is respectively communicated with the washing device and the shock chilling ring through a shock chilling pump. The multi-angle spraying water coal slurry gasification device can solve the problems that slurry concentration is low, crown bricks are eroded, and coal slurry atomization effect is not good.

Description

technical field [0001] The invention relates to a coal-water slurry gasification device, in particular to a multi-angle injection coal-water slurry gasification device. Background technique [0002] At present, coal gasification technology is divided according to the form of gasifier, and there are three main categories: fixed bed, fluidized bed and entrained bed. Fixed bed gasification has the problems of high raw material requirements, low production pressure, and large environmental pollution; although fluidized bed gasification has a large number, there are also certain problems in engineering, and the environmental pollution is relatively large; entrained bed gasification is currently It is mainly used in the coal chemical sector. The main feature of the entrained entrained bed is that the raw materials are easy to obtain. Bituminous coal powder is used, and the raw material price is low. The most important thing is that its production pressure is high and the productio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/48C10J3/50C10J3/72C10J3/76C10J3/84C10L1/32
Inventor 何国锋李发林尚庆雨王乃继段清兵莫日根郭志新王国房赵立明梁兴
Owner CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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