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Microbial coal gangue/coal slime building material and manufacturing method thereof

A coal gangue and microbial technology, applied in the field of microbial coal gangue/coal slime building materials and its manufacturing, achieves high solid waste utilization rate, significant environmental and social benefits, and reasonable design

Inactive Publication Date: 2020-04-07
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

[0004] The purpose of the present invention is to propose a microbial coal gangue / coal slime building material and its manufacturing method, to solve the problems existing in the application of coal slime and coal gangue in building materials, and to improve the resource utilization rate of coal slime and coal gangue

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  • Microbial coal gangue/coal slime building material and manufacturing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Microbial gangue concrete can be made from raw materials in the following weight fraction ranges: 50-80 parts of coal gangue, 5-30 parts of steel slag, 5-50 parts of waste incineration fly ash, 2-10 parts of silicon micropowder, 10-20 parts of slaked lime, Expanded perlite dust collector dust 5~50 parts, bacteria liquid 10~40 parts, EVA emulsion 2~4 parts, silane coupling agent 0.1~0.5 parts, water reducer 0.2~0.5 parts.

[0026] The microbial coal gangue concrete described in the present embodiment is prepared according to the following raw material parts by weight:

[0027] 80 parts of coal gangue, 5 parts of steel slag, 5 parts of waste incineration fly ash, 2 parts of silicon micropowder, 20 parts of slaked lime, 5 parts of expanded perlite dust collector dust, 30 parts of bacterial liquid, 2 parts of EVA emulsion, silane coupling agent KH560 0.1 part, 0.5 part of superplasticizer.

[0028] The bacterial liquid adopts the bacterial liquid obtained by screening, act...

Embodiment 2

[0032] The microbial gangue coal slime concrete described in the present embodiment is prepared according to the following raw material parts by weight:

[0033] 50 parts of coal gangue, 30 parts of coal slime, 10 parts of steel slag, 15 parts of waste incineration fly ash, 10 parts of silicon micropowder, 20 parts of slaked lime, 20 parts of expanded perlite dust collector, 40 parts of bacterial liquid, 4 parts of EVA emulsion, silane 0.1 parts of coupling agent KH560, 0.5 parts of water reducer.

[0034] The bacterial liquid adopts the bacterial liquid obtained by screening, activating and culturing the microbial KJ01 strain.

[0035] The preparation method of microbial coal gangue slime concrete: (1), crush the coal gangue to coal gangue particles with a particle size of 0.15 mm to 1 mm for later use; (2), dry the coal slime and pass it through a 100-mesh sieve for later use; (3 ), mix coal gangue, coal slime, steel slag, waste incineration fly ash, silicon micropowder, sl...

Embodiment 3

[0039] Microbial gangue blocks can be made from the following raw materials in weight fractions: 50-80 parts of coal gangue, 5-30 parts of steel slag, 5-50 parts of waste incineration fly ash, 2-10 parts of silicon micropowder, 10-20 parts of slaked lime, 5~50 parts of expanded perlite dust collector dust, 10~40 parts of bacterial liquid, 2~4 parts of EVA emulsion, 0.1~0.5 parts of silane coupling agent.

[0040] The microbial coal gangue block described in the present embodiment is prepared by the following raw material parts by weight:

[0041] 80 parts of coal gangue, 30 parts of steel slag, 5 parts of waste incineration fly ash, 10 parts of silicon micropowder, 20 parts of slaked lime, 5 parts of expanded perlite dust collector dust, 20 parts of bacterial liquid, 4 parts of EVA emulsion, silane coupling agent KH560 0.1 share.

[0042] The bacterial liquid adopts the bacterial liquid obtained by screening, activating and culturing the microbial KJ01 strain.

[0043] The pre...

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Abstract

The invention discloses a microbial coal gangue / coal slime building material and a preparation method thereof. The specific formula comprises: 0-80 parts of coal gangue, 0-30 parts of coal slime, 5-30parts of steel slag, 5-50 parts of waste incineration fly ash, 2-10 parts of silica powder, 10-20 parts of slaked lime, 5-50 parts of expanded perlite dust remover dust, 10-40 parts of bacterial liquid, 2-4 parts of an EVA emulsion, 0.1-0.5 part of a silane coupling agent and 0-0.5 part of a water reducer. According to the invention, various microbial coal gangue coal slime building material products including coal gangue coal slime concrete, coal gangue coal slime building blocks and coal gangue coal slime water permeable bricks can be prepared, and the preparation method is green and pollution-free, has high solid waste utilization rate, and has good environmental benefits.

Description

technical field [0001] The invention relates to the field of new building materials, in particular to a microbial coal gangue / coal slime building material and a manufacturing method thereof. Background technique [0002] Coal gangue and coal slime are solid wastes produced during coal mining and coal washing. Coal gangue and coal slime have become the industrial waste with the largest stockpile and annual output and occupying the most storage space, which has brought a series of problems to the environment and society. The stockpiling of coal gangue occupies a large amount of land, resulting in the reduction of cultivated land and forest land; the spontaneous combustion of coal gangue produces SO 2 , NO x Toxic and harmful gases, toxic and harmful elements will also pollute groundwater and soil with rainwater leaching and infiltration, causing serious harm to the ecological environment; coal companies also need to invest a lot of money every year to solve the problem of co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10
CPCC04B28/10C04B2111/00017C04B2201/50C04B18/12C04B18/142C04B18/10C04B18/146C04B14/185C04B24/26C04B24/42C04B2103/0001C04B2103/302
Inventor 李珠贾冠华姜鲁
Owner 山西晟科微生物建材科技有限公司
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