Fly ash winnowing floating bead equipment and winnowing separation method thereof

A technology for separation of fly ash and gas ash, which is applied in separation methods, solid separation, and dispersed particle separation, etc. It can solve the problems of high maintenance cost and production cost, reduced recovery efficiency of floating beads, and large power source output, etc., and achieves reduction Difficulty in washing, cost reduction, and effect of prolonging service life

Inactive Publication Date: 2020-12-22
淮南市九方皋科技咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This application is to extract floating beads from fly ash by water washing. In this case, a large power source output is required, the maintenance cost and production cost are large, and the recovery efficiency of floating beads will be greatly reduced. The range of application after the ash is wet is also greatly limited, resulting in a waste of resources

Method used

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  • Fly ash winnowing floating bead equipment and winnowing separation method thereof
  • Fly ash winnowing floating bead equipment and winnowing separation method thereof
  • Fly ash winnowing floating bead equipment and winnowing separation method thereof

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Effect test

Embodiment 1

[0038] combine figure 1 , figure 2 and image 3 As shown, a kind of fly ash air separation bleaching device in the present embodiment 1 comprises support 1, fly ash conveying mechanism, fly ash winnowing mechanism and fly ash recovery mechanism, fly ash conveying mechanism, powder Coal ash winnowing mechanism and fly ash recovery mechanism are all inlaid and installed on the support 1 for fixing, and the described fly ash conveying mechanism includes circulating fan 2, ash collecting hopper 3, mixer 4, air supply pipe 5 and suction Pipe 6, the circulating fan 2 transports the fly ash to the fly ash winnowing mechanism; the ash discharge valve 3-1 is arranged under the ash collecting hopper 3 to prevent the pressure gas from leaking out, and the dust collector 3 is arranged above the ash collecting hopper 3 -2, to prevent the secondary pollution of fly ash and protect the environment. In this embodiment, the dust collector 3-2 is a bag filter, and the bottom of the dust coll...

Embodiment 2

[0046] A kind of fly ash winnowing bleaching equipment in the comparative patent is used to wind fly ash and drift beads, and the test is carried out in the workshop, and 1473.5g of power plant raw ash with the same composition and quality is selected, and after the fly ash wind The weight of the enriched ash at the winnowing place of the selection mechanism is 421g, and the small ash recovered at the fly ash recovery system is 1052.5g. Collected ash accounted for 28.5% of the original ash ratio of the power plant, and floating beads accounted for 1.66% of the original ash ratio of the power plant.

[0047] The above test shows that, using a kind of fly ash winnowing and floating pearl equipment in this embodiment to carry out floating pearl winnowing, the content of enriched ash accounts for 28.5% of the original ash ratio of the power plant, and the content of floating pearls in the enriched ash is 28.5%. Accounting for 70% of the content of floating beads in the raw ash of ...

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Abstract

The invention discloses fly ash winnowing floating bead equipment and a winnowing separation method thereof, and belongs to the technical field of separation equipment. The fly ash winnowing floatingbead equipment comprises a support, a fly ash conveying mechanism, a fly ash winnowing mechanism and a fly ash recycling mechanism, the fly ash conveying mechanism comprises a circulating fan, the circulating fan conveys fly ash to the fly ash winnowing mechanism, the fly ash winnowing mechanism comprises an enrichment loop, the circulating fan conveys the fly ash into the enrichment loop, and thefly ash recovery mechanism is used for recovering small ash obtained after winnowing of the fly ash winnowing mechanism. According to the fly ash winnowing floating bead equipment and the winnowing separation method thereof, the fly ash winnowing mechanism is used for carrying out coarse separation on floating beads in the fly ash, so that the content of the floating beads in separated enriched ash is high; and then the enriched ash is washed with water, the small ash can be collected to the maximum extent and fully utilized while the multiple floating beads can be extracted, resource waste is avoided, considerable economic benefits can be created, and the requirement for washing equipment is reduced, and the cost is reduced. The equipment is simple in structure and convenient to use, andprotects the environment.

Description

technical field [0001] The invention belongs to the technical field of separation equipment, and more specifically relates to a fly ash winnowing bead drifting equipment and a winnowing separation method thereof. Background technique [0002] As we all know, fly ash is the fine ash after pulverized coal is burned, and it is the main solid waste discharged from coal-fired power plants. The stacking of a large amount of fly ash not only occupies land but also causes serious environmental pollution. How to comprehensively utilize fly ash has been It has become an important topic of environmental protection, waste utilization, and turning harm into profit. Many experts have devoted themselves to research in this area for a long time, and found that fly ash can be used as a secondary resource for comprehensive utilization after sorting and processing. Under normal circumstances, we generally refer to the substances selected from fly ash as small ash, large ash and floating beads...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B7/086B07B11/06B01D45/16
CPCB01D45/16B07B7/086B07B11/06
Inventor 李雅静
Owner 淮南市九方皋科技咨询有限公司
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