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Compound convection dryer

A convection dryer and dryer technology, applied in drying solid materials, drying gas arrangement, drying and other directions, can solve problems such as adverse effects of energy saving and emission reduction.

Active Publication Date: 2014-11-26
王远飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no major breakthrough in the separation of coal dust, which adversely affects the effect of energy saving and emission reduction

Method used

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  • Compound convection dryer
  • Compound convection dryer
  • Compound convection dryer

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Embodiment Construction

[0051] Below in conjunction with accompanying drawing and embodiment the utility model is described further

[0052] Figure 1 to Figure 16 An embodiment of the compound convection dryer proposed by the present invention is given, which is an embodiment with four stages of dryers.

[0053] Comprising a coarse separator unit 12, a dryer unit 13 and a coal dust separator unit 14, the coarse separator unit 12 includes a coarse separator housing 17 and an internal mechanism of the coarse separator, and the left and right sides of the front end of the coarse separator housing 17 are respectively provided with Coarse classifier left coarse-grained coal export tank 21-1 and coarse classifier right coarse-grained coal export tank 21-2, the coarse classifier left coarse-grained coal export tank on the bottom surface of the coarse classifier shell 17 Between 21-1 and the right coarse-grained coal material outlet groove 21-2 of the coarse separator is the downward outlet 22 of the mediu...

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Abstract

A compound convection dryer comprises a coarse separator unit, a dryer unit and a coal and dust separator unit. The coarse separator unit comprises a coarse separator shell body and a coarse separator internal mechanism. The dryer unit comprises a dryer shell body and a dryer internal mechanism. The coal and dust separator unit comprises a coal and dust separator shell body and a coal and dust separator internal mechanism. The coarse separator unit is placed on the upper face the dryer unit, the coal and dust separator unit is placed on the lower face of the dryer unit, the transverse section of the coarse separator shell body, the transverse section of the dryer shell body and the transverse section of the coal and dust separator shell body are the same, and all the shell bodies are connected in a sealed mode to form a whole. The compound convection dryer has the advantages that coal materials can be simultaneously dried, classified and dedusted with flue gases as power media and drying media, the utilization rate and the drying efficiency of the media are improved, energy consumption is low, the coal and dust separation can be conducted on the coal materials through strong wind, requirements of furnace coal for external drying conditions are met, deep drying of the furnace coal becomes possible, and the compound convection dryer is the important foundation for achieving the dry coal coking process.

Description

technical field [0001] The invention belongs to the field of drying equipment for solid granular materials, in particular to drying equipment for classifying materials while drying, and is especially suitable for drying coking coal. Background technique [0002] A dryer is a device that uses heat energy to vaporize the moisture (moisture or other solvents) in the wet material and take it away through the air flow, so as to obtain raw materials or products that meet the production requirements. It is widely used in metallurgy and chemical production. It is used for coking coal drying equipment with diversity and complexity, and also has the characteristics of huge processing capacity. Traditional drying equipment mainly includes three categories: rotary drum dryer, vertical tube dryer and fluidized bed dryer. [0003] The rotary drum dryer is a countercurrent operating system that is directly heated by hot air. The main body of the dryer is a rotating cylinder that is sligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B1/00F26B17/12F26B21/14F26B25/00
Inventor 王远飞
Owner 王远飞
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