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Coal gasification fine slag granulation and blending combustion system

A technology for coal gasification and fine slag, which is applied in the field of waste treatment, can solve the problems of coal gasification fine slag easily polluting the environment utilization rate, etc., and achieve the effect of realizing resource utilization, obvious effect and significant economic benefit.

Inactive Publication Date: 2019-04-19
光大清洁技术股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a coal gasification fine slag granulation blending combustion system to solve the current problem that the coal gasification fine slag easily pollutes the environment and has low utilization rate

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  • Coal gasification fine slag granulation and blending combustion system
  • Coal gasification fine slag granulation and blending combustion system

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.

[0024] In the description of the present invention, unless otherwise specified and limited, it should be noted that the term "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be Directly connected or indirectly connected through an intermediary, those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[0025] Although coal gasific...

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Abstract

The invention provides a coal gasification fine slag granulation and blending combustion system. The system includes a mixing and stirring machine, granulation equipment and anhydration equipment. Themixing and stirring machine stirs and mixes coal gasification slag and a binder; the granulation equipment granulates the stirred and mixed coal gasification slag and binder to form particles; and the anhydration equipment dries the particles and transports the dried particles to a boiler for blending combustion, wherein the binder includes starch, amide and bentonite. According to the invention,when the blending combustion is carried out on the coal gasification fine slag granulation, the coal gasification fine slag granulation particles can be fully burned in the boiler by stirring and mixing the coal gasification fine slag granulation and binder and then granulating. The stability of the combustion of the coal gasification fine slag granulation particles can be ensured by angydratingthe particles formed by the granulation. the coal gasification fine slag can be ensured to form the clean particles with sufficient strength and the blending combustion cost can be ensured to be lessthan the combustion economic value by selecting the components of the binder, which facilitates the promotion of the blending combustion system.

Description

technical field [0001] The invention belongs to the field of waste treatment, in particular to a coal gasification fine slag granulation blending combustion system. Background technique [0002] Coal gasification fine slag refers to the ash left after the coal is completely gasified in the gasifier in the coal chemical industry. It is a kind of industrial waste. With the development of my country's coal chemical industry, especially the rapid development of the new coal chemical industry With the development, the output of coal gasification fine slag is also increasing year by year. At present, the annual output of coal gasification fine slag in my country has exceeded 30 million tons. If such a large amount of coal gasification fine slag is not disposed of in time and allowed to be piled up in the open air, it will cause serious pollution to the atmosphere and soil. In addition, coal gasification fine slag has a relatively high residual carbon content, which can generally r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/00C10J3/72C10L5/10C10L5/36B01F13/10
CPCB01J2/00C10J3/72C10L5/105C10L5/363C10J2300/093C10J2300/0983C10J2300/0906C10J2300/0909B01F33/80B01F33/836Y02P20/129
Inventor 吴淼孙浩刘清平王婷婷刘定桦刘林
Owner 光大清洁技术股份有限公司
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