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Drying equipment

A drying equipment and pre-drying technology, applied in drying solid materials, drying gas layout, lighting and heating equipment, etc., can solve the problems of large occupied area and volume, achieve small house area, improve drying efficiency, and compact equipment. Effect

Active Publication Date: 2013-05-22
CHINA SHENHUA ENERGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thermal drying equipment includes boilers, dryers, exhaust gas condensation and dust collection equipment, etc., which occupy a large area and volume, etc.

Method used

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Experimental program
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Embodiment Construction

[0052] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0053] Such as figure 1 As shown, a drying device provided by the present invention includes an inert gas supply device 100, a vibrating fluidized drying device 200 and a multi-channel microwave drying device 300, wherein the inert gas supply device 100 is connected to the vibrating fluidized drying device 200 through a pipeline 105, respectively. Connected with the multi-channel microwave drying device 300 for inputting inert gas into the vibrating fluidized drying device 200 and the multi-channel microwave drying device 300; the vibrating fluidized drying device 200 is provided with a wet material supply valve for supplying the wet material F 204, the vibrating fluidized drying device 200 is also provided with a pre-drying material discharge valve 205 for discharging the wet material F after fluidized drying, and the discharge po...

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Abstract

The invention provides drying equipment which comprises an inert gas feeding device, a vibration fluidized drying device and a multichannel microwave drying device. The inert gas feeding device is connected with the vibration fluidized drying device and the multichannel microwave drying device through pipelines and used for inputting inert gases to the vibration fluidized drying device and the multichannel microwave drying device. A wet material feeding valve is for feeing wet materials is arranged on the vibration fluidized drying device, and the vibration fluidized drying device is further provided with a pre-drying material discharge valve for discharging the wet materials after the wet materials undergo fluidized drying. A discharge port portion of the pre-drying material discharge valve is connected with a material discharge channel for conveying pre-drying materials to the multichannel microwave drying device which is connected with the material discharge channel. The multichannel microwave drying device is further provided with an end product drying material discharge valve for discharging the pre-drying materials after the pre-drying materials undergo microwave drying.

Description

technical field [0001] The invention relates to the technical field of coal drying, in particular to a drying device. Background technique [0002] Low-rank coal (including lignite, sub-bituminous coal and washed coal slime) contains a lot of internal water, and the coal moisture is as high as 15%-70%. Low-priced coal is rich in resources. If it is not because of its high internal water, it is a high-quality fuel or chemical raw material. Therefore, reducing the internal water in the existing low-rank coal is of great significance to improve coal quality. [0003] Due to the low calorific value of high water content coal (low rank coal), drying low rank coal is an effective way to improve coal quality. In the current drying methods, rotary cylinder dryers, fluidized bed dryers, tubular dryers, spiral dryers, and vibrating flow-through bed dryers are generally used. After the air is heated, the high-temperature gas generated by it enters the drying equipment, and the high-t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B1/00F26B17/04F26B23/08F26B21/00F26B25/00
Inventor 张剑华
Owner CHINA SHENHUA ENERGY CO LTD
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