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Waste fly ash treatment device, treatment method and silicate product

A technology of garbage fly ash and treatment device, which is applied in chemical instruments and methods, manufacturing tools, transportation and packaging, etc., can solve the problems of inability to be used and garbage fly ash is difficult to handle, and achieves the effect of high material utilization rate

Pending Publication Date: 2018-12-14
HUNAN YAOXIANG ENVIRONMENTAL PROTECTION ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the problem that garbage fly ash is difficult to handle and cannot be used, the present invention provides a garbage fly ash treatment device, a treatment method and a silicate product, so as to realize the harmless treatment and resource utilization of garbage fly ash

Method used

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  • Waste fly ash treatment device, treatment method and silicate product
  • Waste fly ash treatment device, treatment method and silicate product

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. For the convenience of description, if the words "up", "down", "left" and "right" appear in the following, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure.

[0042] Such as figure 1 As shown, a garbage fly ash processing device includes a feeding unit, a melting unit, and a silicate product production unit connected in sequence, and the silicate product production unit includes

[0043]The centrifuge 24 is communicated with the discharge port of the melting unit, and is used for centrifuging the molten slurry output from the melting unit to obtain cotton wool;

[0044] The spraying mechanism (conventional spraying mechanism can be used...

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Abstract

The invention relates to a waste fly ash treatment device, a treatment method and a silicate product. The processing device comprises a feeding unit, a melting unit and a silicate product production unit which communicate in sequence; the silicate product production unit comprises a centrifugal machine, a spraying mechanism, a cotton collecting machine, a curing oven and a calender, wherein the centrifugal machine communicates with a discharge port of the melting unit, the spraying mechanism is arranged in the centrifugal machine, the cotton collecting machine is used for collecting cotton fiber / adhesive mixing bodies produced by the centrifugal machine, the curing oven communicates with the discharging opening of the cotton collecting machine, and the calender is used for making the cotton fiber / bonding agent curing bodies for rolling forming treatment so as to obtain the silicate product. According to the device and the method, harmless treatment and resource utilization of waste flyash can be realized, and subsequent landfill treatment is not needed; and the heavy metals in the waste fly ash can be effectively solidified into silicate products through high-temperature melting,and the method is efficient and stable, and the problem of heavy metal pollution does not need to be worried; and a gas treatment unit can realize effective purification of flue gas, and no harmful gas is discharged.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a garbage fly ash treatment device, a treatment method and a silicate product. Background technique [0002] Landfill and incineration are the two main ways to deal with urban waste, and incineration is the development trend, and the speed of development is also very fast. The flue gas emitted during the waste incineration process will produce a large amount of fly ash, which accounts for 2%-5% (fixed grate incinerator) and 5%-10% (fluidized bed incinerator) of the original waste weight. Fly ash contains high concentrations of heavy metals and carcinogenic dioxins, which belong to the category of hazardous waste and require harmless treatment. [0003] At present, the treatment of garbage fly ash mainly adopts cement solidification, lime stabilization, calcination after washing fly ash, plasma melting, chemical stabilization and other methods. The m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00C03B37/005C04B26/02
CPCC03B37/005C04B26/02B09B5/00B09B2101/30B09B3/40C04B14/46C04B22/00C04B24/126C04B22/142C04B24/42C04B24/00
Inventor 刘曜王自立张荣坤
Owner HUNAN YAOXIANG ENVIRONMENTAL PROTECTION ENERGY TECH CO LTD
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