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Microbial fly ash building material and preparation method thereof

A technology of microorganisms and fly ash, applied in the direction of microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve the problems of high processing costs of melting and solidification technology, inability to consume fly ash on a large scale, and small total amount of fly ash, etc. Achieve significant environmental and social benefits, good practical application value, and reduce the effect of leaching of harmful substances

Active Publication Date: 2022-08-09
山西晟科微生物建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the melting and solidification technology has not been used in China due to the high processing cost.
In short, at present, the processing cost of fly ash is relatively high, the total amount of fly ash to be processed is small, and it is impossible to consume fly ash on a large scale and cannot meet the processing demand of my country's growing fly ash production. It is necessary to find a new comprehensive disposal of fly ash Direction of development

Method used

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  • Microbial fly ash building material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Fifty -as -as -as -as -on -as -as -as -as -as -greeted, 2 copies of silicon powder, 30 copies of ash, 3 copies, 15 copies of cement, 10 cooked lime, 10 copies of 50-80 mesh beads, 10 copies of bacteria, 2 copies of pure meal, 5 copies of red mud, 5 copies of red mud , 9 parts of steel slag powder, 1 portion of Grade A grade, 0.05 polyacrylamide, and 0.1 copies of KH570 Silicane Puppets.

[0049] The bacterial liquid is screened, activated, and cultured the bacteria of the microbial KJ01.

[0050] The prepared grain crushing index was 26 %, the water absorption rate was 1.7 %, and the quality loss corresponding to the solid indicator was 12.5 %.

Embodiment 2

[0052] 70 flying ash, 10 silicon powder, 20 copies of ash, 5 copies, 10 copies of cement, 10 copies of lime, 30 copies of 50-80 mesh beads, 40 bacteria liquids, 4 copies of pure meal emulsion, 8 copies of red mud, 8 copies of red mud , 7 parts of steel slag powder, 20 parts of nutrient solution, 0.5 copies of Grade A grade Grade, 0.2 copies of polyacrylamide, and 0.5 copies of KH570 Silicane puppets.

[0053] The bacterial liquid is screened, activated, and cultured the bacteria of the microbial KJ01.

[0054] The prepared grain crushing indicators were 19 %, the water absorption rate was 1.9 %, and the quality loss corresponding to the solid indicator was 7.6 %.

Embodiment 3

[0056] Fifty -asylum, 2 parts of silicon powder, 25 parts of silicon powder, 25 copies, 3 copies of cement, 15 copies of lime, 10 copies of 50-80 mesh beads, 10 copies of bacteria, 2 copies of pure meal, 6 copies of red mud, 6 copies of red mud , 8 parts of steel slag, 10 parts of nutrient solution, 0.8 copies of Grade A grade Grade, 0.1 copies of polyacrylamide, and 0.1 copies of KH570 Silicane puppets.

[0057] The bacterial liquid is screened, activated, and cultured the bacterial liquid.

[0058] The prepared grain crushing index is 14 %, the water absorption rate is 1.2 %, and the quality loss corresponding to the solid indicator is 5.4 %.

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Abstract

The invention relates to the field of novel building materials, in particular to a microbial fly ash building material and a preparation method thereof; it is made from the following raw materials in parts by weight: 50-70 parts of waste incineration fly ash, 2-10 parts of silicon micropowder, and pulverized coal. 20-30 parts of ash, 3-5 parts of cement, 10-15 parts of slaked lime, 5-8 parts of red mud, 7-9 parts of steel slag powder, 0-30 parts of 50-80 mesh pearlescent sand, 10-40 parts of bacterial liquid, 0-20 parts of nutrient solution, 2-4 parts of pure acrylic emulsion, 0.5-1 part of potassium silicate, 0.05-0.2 part of polyacrylamide, 0.1-0.5 part of KH570 silane coupling agent; A kind of microbial fly ash building materials, including fly ash ceramsite, fly ash concrete, fly ash permeable bricks and fly ash curbs, the preparation method is green and pollution-free, the solid waste utilization rate is high, it has good environmental benefits, and has a good practical Value.

Description

Technical field [0001] The invention involves the field of new building materials, and specifically involves a microbial flying ash building materials and their preparation methods. Background technique [0002] Flying ash generally refers to any solid particles in the flue gas generated by fuel combustion. It usually includes the chimney of the armal power plant and the flue fly ash and the waste incineration. [0003] The waste -incineration fly ash (MSWI Fly ASH) is a product of domestic waste incineration, which accounts for 3 to 5 % of the waste incineration, because it contains a variety of organic poisons such as heavy metals and dual villain and has a large immersion toxicity. It was included in the "National Dangerous Waste List" (code 772-002-18). The "Control Standard for Pollution Control in Lomason Fitting Field" (GB 16889-2008) stipulates that the waste incineration fly ash through the solidification / stable treatment can be entered into the sanitary landfill for lan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C12N1/20C12R1/01C12R1/07C12R1/085C12R1/125C12R1/19
CPCC04B28/26C12N1/20C04B2201/50C04B18/10C04B18/146C04B18/08C04B7/00C04B22/064C04B18/0409C04B18/142C04B14/185C04B2103/0001C04B24/2641C04B24/2652C04B24/42Y02W30/91
Inventor 李珠崔娟玲贾冠华
Owner 山西晟科微生物建材科技有限公司
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