CN104072070A - Internal wall thermal insulating mortar - Google Patents

Abstract

The invention discloses internal wall thermal insulating mortar which is prepared from the following raw materials in parts by weight: 45-55 parts of slag cement, 3-6 parts of citric acid residue, 15-25 parts of quick lime, 10-15 parts of volcanic rock, 2-4 parts of asbestos fiber, 20-30 parts of hollow microsphere, 10-15 parts of calcined zeolite, 3-5 parts of soybean protein powder, 2-3 parts of sodium hexametaphosphate, 4-6 parts of guar gum powder, 2-3 parts of polyoxyethylene, 1-2 parts of sodium acetate, 2-3 parts of sugar calcium and 3-6 parts of composite packing. Compared with conventional thermal insulating mortar, the thermal insulating mortar disclosed by the invention has the characteristics of low volume-weight, high strength, stable thermal insulation property, freeze-thawing resistance, aging resistance, anti-cracking property, good anti-mold effect and the like, is green and environment-friendly, safe and reliable, simple and convenient to construct, low in cost, and can be widely applied to internal wall heat preservation systems.

Description

Heat insulating inner wall heat insulating mortar

Technical field

The present invention relates to a kind of heat insulating inner wall heat insulating mortar, belong to building material field.

Background technology

Thermal insulation mortar is taking various light materials as aggregate, taking cement as gelating material, admixes some property-modifying additives, is uniformly mixed and a kind of premixing dry-mix of making, for constructing a kind of material of construction of building surface thermal insulation layer through manufacturing enterprise.Along with continuous popularization and people's improving constantly living environment comfortableness demand of low-carbon environment-friendly and building energy conservation, thermal insulation mortar more and more attracts widespread attention, the research of China's thermal insulation mortar is more in recent years, existing a lot of application in Practical Project, but compared with developed countries, it is low that existing interior wall also exists intensity with thermal insulation mortar, and resistance to cleavage is poor, easily occurs hollowing, problems of crack.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, the heat insulating inner wall that a kind of intensity is high, cracking resistance is good heat insulating mortar is provided.

The technical solution used in the present invention is as follows:

A kind of heat insulating inner wall heat insulating mortar, is made up of the raw material of following weight part: slag cement 45-55, citric acid waste 3-6, unslaked lime 15-25, volcanics 10-15, fibrous magnesium silicate 2-4, hollow beads 20-30, calcined zeolite 10-15, soybean protein powder 3-5, Sodium hexametaphosphate 99 2-3, guar gum flour 4-6, polyoxyethylene 2-3, sodium acetate 1-2, sugared calcium 2-3, compounded mix 3-6;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight part: sepiolite 10-15, vermiculite 5-10, shale 20-30, coal gangue 8-12, kaolin 10-15, boron mud 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, spent pulping liquor 25-35, plant ash 4-8, Nano silica sol 15-20, tripoly phosphate sodium STPP 3-6, sorbester p17 0.5-1, citric acid 1-2, sugared calcium 2-4, nano-silicon nitride 3-5, jade powder 4-6, cocoanut fatty acid diethanolamide 2-3;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 100-150 mesh sieve, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 20-30min, granulation, control particle diameter is 0.3-0.4mm, dries at 110-120 DEG C, high-temperature roasting 1-2h at 1150-1250 DEG C, is cooled to room temperature stand-by again;

(c) sepiolite and vermiculite are mixed after in 660-720 DEG C of temperature lower calcination 2-3h, be cooled to room temperature and be placed on the hydrochloric acid soln that concentration is 10-15%, heating in water bath is to 70-80 DEG C, and insulation 30-50min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200-300 mesh sieve, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 20-30min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 5-10min, then the compound that adds plant ash and step (c) to make, high-speed stirring 10-15min, dries.

Using method: above-mentioned raw materials is mixed, then by weight 1: the ratio of 1.2-1.4 can be used after mortar dry powder and water are stirred.

Beneficial effect of the present invention:

Thermal insulation mortar of the present invention is compared with traditional thermal insulation mortar, has unit weight low, and intensity is high, and heat-insulating property is stable, freeze-thawing resistant, anti-aging, cracking resistance, the feature such as anti-mold effect is good, environmental protection, completely reliable, easy construction, with low cost, can be extensively in heat insulating inner wall system.

Embodiment

A kind of heat insulating inner wall heat insulating mortar, is made up of the raw material of following weight (kg): slag cement 50, citric acid waste 4, unslaked lime 20, volcanics 12, fibrous magnesium silicate 3, hollow beads 25, calcined zeolite 15, soybean protein powder 4, Sodium hexametaphosphate 99 2.5, guar gum flour 5, polyoxyethylene 2, sodium acetate 1.5, sugared calcium 2, compounded mix 4;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight (kg): sepiolite 12, vermiculite 7, shale 26, coal gangue 12, kaolin 12, boron mud 8, vinyl three ('beta '-methoxy oxyethyl group) silane 1.5, spent pulping liquor 30, plant ash 6, Nano silica sol 20, tripoly phosphate sodium STPP 5, sorbester p17 0.8, citric acid 1.5, sugared calcium 3, nano-silicon nitride 4, jade powder 5, cocoanut fatty acid diethanolamide 2.5;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 150 mesh sieves, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 30min, granulation, control particle diameter is 0.4mm, at 120 DEG C dry, then at 1240 DEG C high-temperature roasting 1h, be cooled to room temperature stand-by;

(c) sepiolite and vermiculite are mixed after in 720 DEG C of temperature lower calcination 2h, being cooled to room temperature, to be placed on concentration be 15% hydrochloric acid soln, heating in water bath to 80 DEG C, insulation 35min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 300 mesh sieves, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 20min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 7min, then the compound that adds plant ash and step (c) to make, high-speed stirring 12min, dries.

Using method: above-mentioned raw materials is mixed, can use after then by weight the ratio of 1: 1.3, mortar dry powder and water being stirred.

The performance perameter of the thermal insulation mortar that the present embodiment is produced sees the following form.

 

Project	Measure unit	Measured value
			Thermal conductivity	W/（m·k）	0.043
28d ultimate compression strength	kPa	409
			Linear shrinkage	%	0.24
Coefficient of softening	—	0.86
			Splitting resistance	—	The following flawless of 5mmm

Claims (1)

1. a heat insulating inner wall heat insulating mortar, it is characterized in that, formed by the raw material of following weight part: slag cement 45-55, citric acid waste 3-6, unslaked lime 15-25, volcanics 10-15, fibrous magnesium silicate 2-4, hollow beads 20-30, calcined zeolite 10-15, soybean protein powder 3-5, Sodium hexametaphosphate 99 2-3, guar gum flour 4-6, polyoxyethylene 2-3, sodium acetate 1-2, sugared calcium 2-3, compounded mix 3-6;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight part: sepiolite 10-15, vermiculite 5-10, shale 20-30, coal gangue 8-12, kaolin 10-15, boron mud 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, spent pulping liquor 25-35, plant ash 4-8, Nano silica sol 15-20, tripoly phosphate sodium STPP 3-6, sorbester p17 0.5-1, citric acid 1-2, sugared calcium 2-4, nano-silicon nitride 3-5, jade powder 4-6, cocoanut fatty acid diethanolamide 2-3;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 100-150 mesh sieve, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 20-30min, granulation, control particle diameter is 0.3-0.4mm, dries at 110-120 DEG C, high-temperature roasting 1-2h at 1150-1250 DEG C, is cooled to room temperature stand-by again;

(c) sepiolite and vermiculite are mixed after in 660-720 DEG C of temperature lower calcination 2-3h, be cooled to room temperature and be placed on the hydrochloric acid soln that concentration is 10-15%, heating in water bath is to 70-80 DEG C, and insulation 30-50min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200-300 mesh sieve, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 20-30min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 5-10min, then the compound that adds plant ash and step (c) to make, high-speed stirring 10-15min, dries.