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Coal slime drying treatment device

A drying treatment and coal slime technology, which is applied in the direction of drying gas arrangement, drying solid materials, and drying solid materials without heating, can solve the problems of insufficient drying of the inner layer, overheating and decomposition of the outer layer, and uneven heating of coal slime, etc., to achieve High sliver drying efficiency, environmental protection, and reduced splicing difficulties

Active Publication Date: 2020-11-27
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a coal slime drying treatment device, which solves the problems of uneven heating of coal slime, overheating and decomposition of the outer layer, and insufficient drying of the inner layer in the prior art

Method used

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Embodiment 1

[0057] This embodiment provides a coal slime drying treatment device, see Figure 1 to Figure 2 , including a concentration unit, a filter press unit and a sliver drying unit connected in sequence, wherein the sliver drying unit includes an extrusion assembly, a drying assembly below the extrusion assembly, and a sliver hole between the extrusion assembly and the drying assembly Plate 4, wherein the extrusion assembly includes an extrusion cylinder 1 and a piston 2 located in the extrusion cylinder 1, the drying assembly includes a drying cylinder 3 and an air supply unit for providing dry gas in the drying cylinder 3, the extrusion cylinder 1 The space between the middle piston 2 and the sliver orifice 4 is an extrusion cavity, and the inside of the drying cylinder 3 is a drying cavity, the extrusion cavity communicates with the feed pipe 5, and the drying cylinder 3 communicates with the discharge pipe 6; Vertically, the piston 2, extrusion chamber, sliver orifice 4, and dry...

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Abstract

The invention discloses a coal slime drying treatment device, belongs to the field of coal slime drying. The problems of non-uniform heating of coal slime, overheating decomposition of an outer layerand insufficient drying of an inner layer in the prior art are solved. The device comprises a concentration unit, a filter pressing unit and a slivering drying unit which are sequentially connected, wherein the slivering drying unit comprises an extrusion assembly, a drying assembly located below the extrusion assembly and a slivering pore plate located between the extrusion assembly and the drying assembly, and the extrusion assembly comprises an extrusion cylinder and a piston located in the extrusion cylinder; the drying assembly comprises a drying cylinder and a gas supply unit used for providing drying gas for the interior of the drying cylinder; a space between a piston in the extrusion cylinder and the slivering pore plate is an extrusion cavity, the interior of the drying cylinderis a drying cavity, the extrusion cavity communicates with a feeding pipe, and the drying cylinder is communicated with a discharging pipe. The device disclosed by the invention can be used for concentration, filter pressing, slivering and drying of coal slime.

Description

technical field [0001] The invention belongs to the field of coal slime drying, and in particular relates to a coal slime drying treatment device. Background technique [0002] In the production of the dressing plant, the by-product coal slime has high water content, low calorific value, and low economic benefits. Therefore, it is necessary to dry the coal slime to increase its calorific value, thereby improving economic benefits. [0003] Conventional drying technology is likely to cause problems such as uneven heating of coal slime, overheating and decomposition of the outer layer, and insufficient drying of the inner layer. It is impossible to fully dry the coal slime, and it is easy to cause waste of heat energy. Contents of the invention [0004] In view of the above analysis, the present invention aims to provide a coal slime drying treatment device, which solves the problems of uneven heating of coal slime, overheating and decomposition of the outer layer, and insuf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B5/14F26B21/08B01D36/00B28B3/24
CPCB01D36/003B28B3/24F26B5/14F26B21/08
Inventor 贺琼琼董秀勇苗真勇万克记许恩乐黄少萌
Owner CHINA UNIV OF MINING & TECH
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