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Wall mud containing biomass charcoal ash and preparation method thereof

A technology of biomass charcoal and wall mud, which is applied in the field of building materials, can solve the problems of unsatisfactory comprehensive performance, poor bonding and crack resistance, and increased use costs, so as to promote compatibility, improve aging resistance, and enhance stability sexual effect

Pending Publication Date: 2020-11-17
北京丰能汇科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the leveling thickness exceeds 4mm, it is very easy to crack the material itself, which will seriously cause the leveling layer to fall off, resulting in inevitable maintenance in the later period and increasing the cost of use
[0006] To sum up, most of the existing leveling materials have poor adhesion and crack resistance, poor tensile bonding, easy cracking, low durability, and overall performance is not ideal.

Method used

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  • Wall mud containing biomass charcoal ash and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A wall mud containing biomass charcoal, comprising the following components in weight percentage:

[0057] Biomass charcoal 40%,

[0058] fly ash 9.3%,

[0059] Cement 40%,

[0060] Attapulgite 3%,

[0061] Vitrified Microbeads 5%,

[0062] Water repellant 0.5%,

[0063] 0.2% defoamer,

[0064] Lignocellulose 0.2%,

[0065] Polypropylene fiber 0.2%,

[0066] Hydroxypropyl methylcellulose 0.8%,

[0067] and redispersible latex powder 0.8%;

[0068] The waterproofing agent is monomethyltrichlorosilane, and the defoamer is siloxane;

[0069] The particle diameter of the biomass charcoal is 100-300 mesh, the particle diameter of the fly ash is 100-300 mesh, the particle diameter of the attapulgite is 100-300 mesh, the vitrified microbead The particle size is 100-300 mesh.

[0070] The preparation method of the above-mentioned wall mud containing biomass charcoal ash may further comprise the steps:

[0071] Take biomass charcoal ash, fly ash, cement, attapulgite,...

Embodiment 2

[0073] A wall mud containing biomass charcoal, comprising the following components in weight percentage:

[0074] Biomass Charcoal Ash 50%,

[0075] fly ash 4%,

[0076] cement 25%,

[0077] Attapulgite 6%,

[0078] Vitrified Microbeads 5.2%,

[0079] Water repellent 0.8%,

[0080] 0.4% defoamer,

[0081] Lignocellulose 0.4%,

[0082] Polypropylene fiber 1%,

[0083] Hypromellose 1%,

[0084] and redispersible latex powder 1.2%;

[0085] The waterproofing agent is sodium methyl silicate, and the defoamer is allyl polyoxyalkyl ether and silicone oil;

[0086] The particle diameter of the biomass charcoal is 100-300 mesh, the particle diameter of the fly ash is 100-300 mesh, the particle diameter of the attapulgite is 100-300 mesh, the vitrified microbead The particle size is 100-300 mesh.

[0087] The preparation method of the above-mentioned wall mud containing biomass charcoal ash is the same as that of Example 1, except that the stirring rate is 50 r / min.

Embodiment 3

[0089] A wall mud containing biomass charcoal, comprising the following components in weight percentage:

[0090] Biomass Charcoal Ash 51.4%,

[0091] Fly Ash 10%,

[0092] Cement 20%,

[0093] Attapulgite 5%,

[0094] Vitrified Microbeads 10%,

[0095] Water repellant 0.5%,

[0096] Defoamer 0.3%,

[0097] Lignocellulose 0.3%,

[0098] Polypropylene fiber 0.5%,

[0099] Hypromellose 1%,

[0100] and redispersible latex powder 1%;

[0101] The defoamer is siloxane, and the waterproofing agent is silane;

[0102] The particle diameter of the biomass charcoal is 100-300 mesh, the particle diameter of the fly ash is 100-300 mesh, the particle diameter of the attapulgite is 100-300 mesh, the vitrified microbead The particle size is 100-300 mesh.

[0103] The preparation method of the above-mentioned wall mud containing biomass charcoal ash is the same as that of Example 1, except that the stirring rate is 50 r / min.

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Abstract

The invention provides wall mud containing biomass charcoal ash, which takes agricultural and forestry biomass power plant waste biomass charcoal ash as a matrix raw material, and greatly reduces theconsumption of cement through the combined action of the matrix raw material and a proper amount of cement, fly ash, attapulgite, vitrified micro bubbles and additives. The obtained wall mud has the characteristics of air conditioning, harmful substance adsorption, seepage prevention, alkali resistance, mildew prevention, bacteria prevention, high bonding strength, good crack resistance, no layering, no hollowing, no powder falling, early strength, rapid hardening, good scraping performance and easiness in construction, and has good air permeability, ageing resistance, pollution resistance, weather resistance and durability. The water retention rate of the wall mud containing the biomass charcoal ash reaches 99% or above, consistency loss is avoided, the tensile bonding strength is 0.25 MPa or above, the 28-day shrinkage rate is 0.1% or below, the frost resistance strength loss rate is 7% or below, the frost resistance mass loss rate is 1.5% or below, the compressive strength is 5.5 MPa or above, and the wall mud has good use performance.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to wall mud containing biomass charcoal ash and a preparation method thereof. Background technique [0002] With the consumption of non-renewable resources such as fossil energy, agricultural and forestry biomass power generation has become an important direction of biomass utilization. With the rapid development of biomass energy, a large amount of waste agricultural and forestry biomass charcoal generated in its production process has become a new environmental problem that needs to be solved urgently. In the prior art, there are methods such as landfill and reuse for the treatment of agricultural and forestry biomass charcoal ash. Among them, the landfill is costly and requires strict requirements, which is easy to cause secondary pollution (contaminated soil and groundwater) and generate new environmental protection problems. In terms of reuse, due to the...

Claims

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Application Information

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IPC IPC(8): C04B28/02C04B111/20
CPCC04B28/02C04B2111/00508C04B2201/10C04B2201/50C04B2111/20C04B2111/2092C04B2111/00017C04B18/10C04B18/08C04B14/102C04B14/24C04B18/26C04B16/0633C04B2103/0057C04B24/42Y02W30/91
Inventor 孙亚宁任艳芳赖喆
Owner 北京丰能汇科技有限公司
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