Coal gasification system and gasification black water treatment equipment and method

A technology for processing equipment and black water, which is applied in the field of coal gasification system, can solve the problems of environmental pollution, waste of solid waste resources, etc., and achieve the effects of low operating cost, effective separation and simple operation

Active Publication Date: 2020-07-10
CHINA ENERGY GRP NINGXIA COAL IND CO LTD
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  • Abstract
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Therefore, the above gasification black water treatment method ...

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  • Coal gasification system and gasification black water treatment equipment and method
  • Coal gasification system and gasification black water treatment equipment and method
  • Coal gasification system and gasification black water treatment equipment and method

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[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0038] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" usually refer to the orientation shown with reference to the drawings. "Inner and outer" refer to inner and outer relative to the outline of each component itself.

[0039] A first aspect of the present invention provides a kind of gasification black water treatment equipment, comprising:

[0040] Separation tank 10, separation tank 10 comprises a separation chamber, an agitator 12 arranged in the separation chamber and a black water inlet, a dilution water inlet and a black water outlet 11 communicated with the separation chamber, and the ag...

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Abstract

The invention relates to the field of coal chemical industry, and discloses a coal gasification system and gasification black water treatment equipment and method. The gasification black water treatment equipment comprises a separation tank, a settling tank and a buffer tank. The separation tank comprises a separation chamber, a stirring piece arranged in the separation chamber, and a black waterinlet, a dilution water inlet and a black water outlet which are communicated with the separation chamber, and the stirring piece is arranged to stir black water entering the separation chamber so asto separate floating beads attached to fine slag in the black water and wrapped in the fine slag from the fine slag. The settling tank comprises a settling chamber as well as a black water inlet, a clear liquid outlet and a fine slag discharge port which are communicated with the settling chamber, the black water inlet of the settling tank is communicated with the black water outlet of the separation tank, and the settling tank is used for settling fine slag in black water. The buffer tank comprises a buffer chamber and a clear liquid inlet communicated with the buffer chamber, and the clear liquid inlet of the buffer tank is communicated with the clear liquid outlet of the settling tank so as to collect supernatant containing floating beads in the settling tank. The gasification black water treatment equipment can effectively separate floating beads in black water.

Description

technical field [0001] The invention relates to the field of coal chemical industry, in particular to a gasification black water treatment equipment, a gasification black water treatment method and a coal gasification system including the gasification black water treatment equipment. Background technique [0002] With the increasing shortage of petroleum resources in my country and the gradual maturity of coal gasification technology, my country's coal chemical industry has developed rapidly. Coal gasification technology is the core technology of the coal chemical industry. During the coal gasification process, a large amount of gasification black water is usually produced, and the gasification black water is mixed with gasification fine slag. [0003] At present, the factory's treatment method for gasified black water is mainly to remove part of the water through a vacuum filter and then form a filter cake from the fine residue (the filter cake contains a large number of fl...

Claims

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Application Information

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IPC IPC(8): C02F9/02C10J3/00C10J3/82C10J3/84C02F103/18
CPCC02F9/00C10J3/00C10J3/84C10J3/82C02F2001/007C02F1/001C02F1/40C02F2103/18
Inventor 江尧姚敏金政伟井云环刘洪刚齐志丽苏万里王儒洋蔚永清
Owner CHINA ENERGY GRP NINGXIA COAL IND CO LTD
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