A continuous water washing and dechlorination device for waste incineration fly ash

A waste incineration fly ash and ash water technology, applied in the field of fly ash treatment, can solve the problems of cumbersome regulation and operation, inconvenient operation and management, etc., and achieve the effects of preventing external contact, high cleaning efficiency, and simple and convenient operation and regulation

Active Publication Date: 2022-05-17
上海波赛统环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current fly ash washing device is mainly a batch-type cleaning device. The cleaning process requires cumbersome regulation and operation, and the operation and management are inconvenient.

Method used

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  • A continuous water washing and dechlorination device for waste incineration fly ash
  • A continuous water washing and dechlorination device for waste incineration fly ash

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, it is a schematic diagram of the waste incineration fly ash continuous washing dechlorination device provided by the present invention. The device provided in this embodiment has only one device unit, and the device unit includes a fly ash feed pipe 1, a cleaning liquid inlet pipe 2, and a waste water outlet pipe. 3. Mortar riser 4, mixing system 5, top cover 6, main body 7, outlet weir 8, sleeve 9, mixing zone partition 10, orifice plate 11, ash hopper 12, air inlet pipe 13, emptying pipe 14, bracket 15;

[0027] The device unit includes vertical gray water sedimentation area 100, gray water ascending area 101, gray water mixing dechlorination area 102 and mortar concentration area 103 from top to bottom. The gray water rising zone 101 is from the lower part of the partition plate 10 in the mixing zone to the horizontal line 10-1 at its end, and the gray water mixing dechlorination zone 102 is between the horizontal line 10-1 at the end of t...

Embodiment 2

[0039] Such as figure 2 As shown, it is a schematic diagram of a multi-stage serial waste incineration fly ash continuous washing dechlorination device provided by the present invention. The difference between the device provided in this embodiment and Embodiment 1 is that the device includes a plurality of device units, and the plurality of device units are connected in series through the upper The waste water outlet pipe 3 of one device unit is connected with the cleaning liquid inlet pipe 2 of the next device unit, and the fly ash feed pipe 1 of the previous device unit is connected with the mortar riser pipe 4 of the next device unit, realizing serial use The cleaning water flows from the cleaning device with the highest weir elevation to the cleaning device with the lowest weir elevation, and the fly ash is lifted from the cleaning device with the lowest weir elevation to the cleaning device with the highest weir elevation.

[0040] When multi-stage series cleaning is ad...

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Abstract

The invention provides a continuous water washing and dechlorination device for waste incineration fly ash. The device includes a dechlorination device unit, and the device unit includes a main body, a sleeve, a mixing zone partition, a water outlet weir, an agitator, a fly ash feeding pipe, a cleaning Liquid inlet pipe, mortar riser pipe, the device includes vertical flow grey water precipitation area, grey water rising area, grey water mixing dechlorination area and mortar concentration area from top to bottom, which realizes continuous fly ash cleaning in one cleaning device , Fly ash and ash water separation and transportation of mortar and waste water. The device provided by the invention can be used alone or in series. When used in series, the cleaning water flows from the cleaning device with the highest elevation of the outlet weir to the cleaning device with the lowest elevation of the outlet weir in turn, and the fly ash is sequentially lifted from the cleaning device with the lowest elevation of the outlet weir to the water. The cleaning device with the highest weir elevation. The cleaning device of the invention realizes the continuous and high-efficiency water washing of the fly ash, can be used alone or in series, and has simple and convenient operation and regulation.

Description

technical field [0001] The invention belongs to the technical field of fly ash treatment, and in particular relates to a continuous water washing and chlorine removal device for waste incineration fly ash. Background technique [0002] Using cement kiln to co-process waste incineration fly ash is an effective way to recycle fly ash. The main components in waste incineration fly ash are calcium oxide, silicon oxide, aluminum oxide, etc., which can be used as effective raw materials for cement. However, high chloride ion content in waste incineration fly ash can cause damage to cement kilns and affect the quality of cement products. [0003] Washing with water before the co-processing of waste incineration fly ash in cement kiln can greatly reduce the chloride ion content in waste incineration fly ash, reaching the level of chloride ion co-processing of waste incineration fly ash in cement kiln. The current fly ash water washing device is mainly a sequential batch cleaning d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/38C04B7/26
CPCC04B7/38C04B7/26Y02P40/10
Inventor 张杰金泰峰
Owner 上海波赛统环境科技有限公司
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