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Low temperature jet flow atomization coal slime drying technology and system

A drying system and drying process technology, applied in drying solid materials, drying gas layout, non-progressive dryers, etc., can solve the problems of high energy consumption and low drying efficiency of coal slime, and achieve high drying speed, drying and quality improvement. Simple and efficient, avoid the effect of dust explosion

Pending Publication Date: 2018-10-19
光大清洁技术股份有限公司
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Problems solved by technology

[0004] The invention provides a low-temperature jet atomized coal slime drying process and system to solve the current problems of low coal slime drying efficiency and high energy consumption

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  • Low temperature jet flow atomization coal slime drying technology and system
  • Low temperature jet flow atomization coal slime drying technology and system
  • Low temperature jet flow atomization coal slime drying technology and system

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Embodiment Construction

[0029] 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.

[0030] 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.

[0031] see figure 1 , is a ...

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Abstract

The invention provides a low temperature jet flow atomization coal slime drying technology and system. The technology comprises the steps that generated high-speed air flow is jetted into a mixing device at high speed to be mixed with coal slime in the mixing device, and the mixed high-speed air flow and coal slime are jetted to a drying device at high speed through the mixing device; under the effect of the high-speed air flow, the drying device achieves quick separation of the coal slime and moisture contained in the coal slime under the low temperature state, and the separated-out moisture,the coal slime and dusty gas are conveyed to a three-phase separating device; and the three-phase separating device conducts three-phase separating on the dusty gas, liquid water and the solid coal slime which are generated in the separating process, so that low-temperature quick drying of the coal slime is achieved. By means of the low temperature jet flow atomization coal slime drying technology and system, the coal slime drying efficiency can be improved, energy consumption is reduced, and the drying safety is improved.

Description

technical field [0001] The invention belongs to the field of coal slime drying and upgrading, and in particular relates to a low-temperature jet atomized coal slime drying process and system. Background technique [0002] Coal slime is a by-product of the coal washing process. At present, the annual coal slime output in my country has reached 300 million tons, and the output is very huge. Coal slime contains a large amount of combustible components, has high calorific value, and has high comprehensive utilization value. On the other hand, if the coal slime is not utilized and allowed to be stacked in the open air, it will cause extremely serious pollution to the environment. However, coal slime has the characteristics of high water content, high viscosity, easy agglomeration, easy bonding, and discontinuous discharge, which often brings many problems to the production system during transportation and storage, and leads to subsequent thermal energy utilization. low, seriou...

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Application Information

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IPC IPC(8): F26B11/00F26B21/00F26B25/00F26B3/06
CPCF26B3/06F26B11/00F26B21/00F26B25/005
Inventor 孙浩刘清平
Owner 光大清洁技术股份有限公司
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