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Preparation method of aluminum sludge ceramsite

A technology of aluminum sludge and ceramsite, applied in grain processing and other directions, can solve the problems of low utilization rate of production waste and inability to mass-produce, and achieve the effects of low cost, enhanced recycling rate, and improved production efficiency.

Active Publication Date: 2020-07-03
FUJIAN MINFA ALUMINUM
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Problems solved by technology

It solves the technical problems that it is impossible to produce in large quantities and the utilization rate of production waste is low

Method used

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  • Preparation method of aluminum sludge ceramsite
  • Preparation method of aluminum sludge ceramsite
  • Preparation method of aluminum sludge ceramsite

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Embodiment Construction

[0037] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0038] refer to Figure 1 to Figure 9 , the present embodiment provides a method for preparing aluminum sludge ceramsite, the steps are as follows:

[0039] In the first step, the moisture content of aluminum sludge extrusion dehydration is controlled at 20% to 30%;

[0040] In the second step, the aluminum sludge obtained after the treatment in the first step and the electroplating sludge, iron oxide, and fly ash are weighed by measuring instruments, and matched according to the following mass percentages: 10% to 20% of electroplating sludge, aluminum Sludge 20-40%, iron oxide 0-7%, fly ash 40-50%;

[0041] In the third step, the above-mentioned materials are first added to the mixer for stirring, and water with a mass fraction of 0-5% is added for stirring;

[0042] The fourth step is to transport the mixed material evenly stirred in the third ste...

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Abstract

The invention relates to the technical field of sludge waste utilization, and particularly relates to a preparation method of aluminum sludge ceramsite. The aluminum sludge ceramsite comprises following raw materials: electroplating sludge, aluminum sludge, iron oxide and fly ash. The preparation method comprises following steps: stirring raw materials by a stirrer, conveying the mixture into a granulator; then conveying the mixture into a dryer, conveying the ceramsite raw material into a rotary kiln for roasting; grading and screening by a closed screening machine; conveying waste materialsand ceramsite with a size smaller than the standard size to a crushing device by a closed conveyor; forcibly crushing the ceramsite by a crushing device, screening, conveying the powder to a mixed rawmaterial storage tank, weighing the powder by a gauge, and mixing the powder with the mixed raw materials. The wastes are reproduced and utilized, and the prepared ceramsite can be applied to roadbed materials, concrete aggregates and the like, and is wide in application range. The mixed material is formed and made into blocks; after the ceramic manufacturing, the broken ceramsite is crushed, conveyed and recycled by utilizing a crushing device, through advanced processing, the recycling rate of waste materials is increased, and the production benefit is further improved.

Description

technical field [0001] The invention relates to the technical field of sludge waste utilization, in particular to a method for preparing aluminum sludge ceramsite. Background technique [0002] At present, the Chinese patent number: CN201810663263.9 discloses a method for preparing aluminum sludge ceramsite, which includes mixing and granulating aluminum sludge, egg shells, fly ash, and glass powder to obtain raw ceramsite, then drying, preheating, Sintering, cooling, that is. In parts by mass, the proportions of the aluminum sludge, egg shells, fly ash and glass powder are 50-80%, 5-20%, 10-20%, 5-15%. The glass powder comes from waste from waste glass processing plants, and is quartz glass powder with a SiO2 content of 99%; the fly ash comes from waste from thermal power plants or heating companies; the egg shells are from the canteen of Xi'an University of Science and Technology. Solve the problem that the main raw material of clay ceramsite is mainly taken from the hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/622B02C23/14B02C4/02
CPCB02C4/02B02C23/14C04B35/622C04B35/62204C04B2235/3272C04B2235/602C04B2235/656C04B2235/6567
Inventor 黄长远朱耀辉
Owner FUJIAN MINFA ALUMINUM
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