Process system suitable for carrying out granulating molding by recycling coal slime dust

A technology of dust recovery and process system, which is applied in the direction of liquid separation into beads and granulation, which can solve the problems of environmental protection industry, pollution industry, etc., and achieve the effect of solving the problem of dust pollution and improving product quality

Inactive Publication Date: 2015-07-15
YUNNAN ZHONGYI DINGDONG ENERGY TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Coal slime drying is an environmental protection industry that reuses waste. A large amount of dust will be generated during the coal slime drying process. If the dust is not handled properly, the environmental protection industry will become a polluting industry.

Method used

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  • Process system suitable for carrying out granulating molding by recycling coal slime dust
  • Process system suitable for carrying out granulating molding by recycling coal slime dust
  • Process system suitable for carrying out granulating molding by recycling coal slime dust

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the examples.

[0035] Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be considered as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, it shall be carried out according to the technique or condition described in the literature in this field or according to the product specification. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased.

[0036] like Figure 1-Figure 3 As shown, a process system suitable for coal slime dust recovery for granulation molding, including dust collector 1, ash collecting bucket 2, converging screw conveyor 3, coal slime dust buffer bin 4, ash volume regulating valve 5, radar material Position meter 6, granulator 7 and atomizing ...

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Abstract

The invention relates to a process system suitable for carrying out granulating molding by recycling coal slime dust and belongs to the technical field of coal slime dust recycling. Small coal slime dust particles collected by a dust remover fall into an assembly screw conveyor to be conveyed into a coal slime dust buffer bin through a dust collection hopper, an ash amount adjustment valve is arranged on the bin bottom so that ash amount uniformly flows to a feed port of a granulator, the height of material level of the amount of dust in the bin is sensed by a radar material level instrument on the bin top, data is fed back to a master control room, decision on whether to open a principal shaft rotation and atomization water spray system of the granulator is made, atomization water volume sequentially passes through a filter and an overflow valve and enters a spray head on the top of a drum body of the granulator to be injected into the drum body, and water-added coal slime dust is repeatedly dripped in the drum body in radial direction and pushed to do rectilinear motion by blades arranged in spiral shape along the axial direction until reaching a discharge port to enter the next process. Compared with general simple humidification process, particle size and moisture of collected dust can be controlled, and product quality is improved.

Description

technical field [0001] The invention belongs to the technical field of coal slime dust recovery, and in particular relates to a process system suitable for coal slime dust recovery for granulation. Background technique [0002] Cyclone dust collection and bag dust collection will inevitably produce a large amount of dust (calorific value between 2000Kcal-3000Kcal) during the production practice of coal slime at home and abroad. Effective recycling of these dusts has been a challenge. [0003] Coal slime drying is an environmental protection industry that reuses waste. During the coal slime drying process, a large amount of dust will be generated. If the dust is not handled properly, the environmental protection industry will become a polluting industry. Effective recovery of coal slime dust can improve the surrounding ecological environment, and no longer be subject to secondary pollution by dust. Through reasonable treatment, it is the main problem that needs to be studied...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/06
Inventor 王鹏云
Owner YUNNAN ZHONGYI DINGDONG ENERGY TECH DEV
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