Special mortar for antibiotic and environmentally-friendly aerated bricks

An aerated brick, an environmentally friendly technology, applied in the field of building materials, can solve the problems of insufficient mortar composition and performance, poor heat preservation and temperature resistance, and low strength of aerated bricks, so as to improve human immunity, enhance earthquake resistance, protect environmental effects

Inactive Publication Date: 2016-01-27

ANHUI KUNLONG BUILDING MATERIALS CO LTD

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AI-Extracted Technical Summary

Problems solved by technology

At present, the composition and properties of the mortar prepared by most manufacturers are not perfect, resulting in defects such as low strength, easy to burst, weak...

Abstract

The invention discloses a special mortar for antibiotic and environmentally-friendly aerated bricks. The special mortar is prepared from, by weight, 30-35 parts of slag, 10-20 parts of cement, 20-30 parts of river sand, 4-6 parts of traditional Chinese medicinal residues, 3-5 parts of tourmalinite, 10-15 parts of modified diatomite, 0.5-1 part of magnesium stearate, 0.5-1 part of zinc stearate, 0.5-0.8 parts of sodium dodecylbenzene sulfonate, 1-2 parts of a water reducer and 1-2 parts of an antifreeze agent. Unique components are selected in the invention, and are reasonable proportioned, so the mortar and products thereof have the advantages of good strength, crack resistance, freeze resistance, high temperature resistance, antibiosis and mildew inhibition effects, human body immunity improvement, physique enhancement and very good health effect; and wastes are well reused, so the environment is protected, thereby the special mortar is a healthy and environmentally-friendly product.

Application Domain

Solid waste management

Technology Topic

River sandAntibiosis +15

Examples

Experimental program(2)

Example Embodiment

[0018] Example 1

[0019] A special mortar for antibacterial and environmentally friendly aerated bricks, made of the following parts by weight:

[0020] 33 parts of slag, 15 parts of cement, 26 parts of river sand, 4 parts of traditional Chinese medicine residue, 4 parts of tourmaline, 10 parts of modified diatomaceous earth, 0.5 parts of magnesium stearate, 1 part of zinc stearate, 0.5 part of dodecane Sodium benzene sulfonate, 2 parts water reducing agent, 1 part antifreeze.

[0021] Further, the slag is composed of iron slag and magnesium slag, and the particle size after crushing is not greater than 3 mm.

[0022] Further, the river sand is composed of 35% fine sand with a particle size of 0.25 to 0.35 mm and 65% of medium sand with a particle size of 0.35 to 0.50 mm.

[0023] Further, the traditional Chinese medicine residue is composed of Radix isatidis, astragalus and licorice; when used, it is mixed with 3 times the total mass of water, and then boiled for 1.5 hours, the filtrate is filtered and concentrated to 1/3 of the original volume to obtain the medicine Liquid A is ready for use; the filter residue of Chinese medicine is air-dried and crushed into powder B with a particle size of not more than 2mm for use.

[0024] Further, the tourmaline needs to be crushed to pass 100 meshes for use.

[0025] Further, the modified diatomaceous earth is calcined at 800-900°C for 2.5 hours, and then mixed with liquid medicine A uniformly, and 12% of the total mass of carboxymethyl is added. The base chitosan is stirred evenly under the condition of 35~45℃, dried and crushed and passed through a 160-mesh sieve.

[0026] Further, the water reducing agent is composed of aliphatic powder water reducing agent and polycarboxylic acid powder water reducing agent.

[0027] Further, the antifreeze agent is a mixture of ethylene glycol, calcium chloride and urea in a mass ratio of 3:3:1.

[0028] The mortar prepared in Example 1 was made into blocks for performance testing, and the average bulk density was measured to be 580~650kg/m 3 , The average compressive strength is 7.5MPa, the thermal conductivity is 0.135W/MK, the refractoriness is as high as 720℃, the sound insulation effect is excellent, and it has good antibacterial and mildew resistance. There is no mold growth on the surface after being placed in natural conditions for 2 years. There is no erosion phenomenon inside.

Example Embodiment

[0029] Example 2

[0030] A special mortar for antibacterial and environmentally friendly aerated bricks, made of the following parts by weight:

[0031] 35 parts of slag, 18 parts of cement, 25 parts of river sand, 6 parts of traditional Chinese medicine residue, 3 parts of tourmaline, 15 parts of modified diatomaceous earth, 0.8 parts of magnesium stearate, 0.5 parts of zinc stearate, 0.8 parts of dodecane Sodium benzene sulfonate, 1.5 parts of water reducing agent, 1.5 parts of antifreeze.

[0032] Further, the slag is composed of iron slag and zinc slag, and the particle size after crushing is not greater than 3 mm.

[0033] Further, the river sand is composed of 40% fine sand with a particle size of 0.25 to 0.35 mm and 60% of medium sand with a particle size of 0.35 to 0.50 mm.

[0034] Further, the traditional Chinese medicine residue is composed of Cnidium monnieri, Radix Isatidis, Schisandra and Licorice; when used, it is mixed with 5 times the total mass of water, and then boiled for 1.5 hours, the filtrate is filtered and concentrated to 1/3 of the original volume. , Obtain medicinal solution A for use; air-dried and pulverize the filter residue of Chinese medicine into powder B with a particle size of not more than 2mm for use.

[0035] Further, the tourmaline needs to be crushed to pass 100 meshes for use.

[0036] Further, the modified diatomaceous earth is first calcined at 850~900℃ for 1.5h, then mixed with liquid medicine A uniformly, and added with 15% of the total mass of carboxymethyl The base chitosan is stirred evenly under the condition of 35~45℃, dried and crushed and passed through a 160-mesh sieve.

PUM

Property	Measurement	Unit
Particle size	<= 2.0	mm
Average density	580.0 ~ 650.0	kg/m³
Average compressive strength	7.5	mPa

Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Light weight

Special mortar for antibiotic and environmentally-friendly aerated bricks

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Examples

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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