CN104058689B - Build by laying bricks or stones and use thermal insulation mortar - Google Patents

Abstract

The invention discloses one to build by laying bricks or stones with thermal insulation mortar, it is made up of the raw material of following weight part: ferro-aluminate cement 40-50, ceramsite sand 25-35, cinder powder 10-15, magnesia 5-10, pyrophyllite powder 8-12, drift pearl 10-15, Sodium Silicofluoride 0.5-1.5, redispersable latex powder 2-3, nano titanium oxide 3-5, cellulose acetate 1.5-2.5, wood sawdust 2-4, magnesium hydroxide 4-8, sodium starch glycolate 1-2, compounded mix 3-6.Building heat insulation mortar of the present invention is close with light block on dry-shrinkage deformed, heat conductivility, effectively can avoid the generation of " cold bridge " phenomenon, and there is the performances such as excellent workability, cohesive strength, mobility, water-retentivity, ultimate compression strength, splitting resistance, not shedding, does not ftracture, and does not go mouldy, good stability, workability is good, easy to use, has huge market outlook.

Description

Build by laying bricks or stones and use thermal insulation mortar

Technical field

The present invention relates to one to build by laying bricks or stones with thermal insulation mortar, belong to building material field.

Background technology

Existing common masonry mortar apparent density is generally at 1600-1800kg/m ³, thermal conductivity is 0.8-1.0W/ (mK); And the apparent density of light heat insulation blocks is generally at 450-950kg/m ³, thermal conductivity is 0.15-0.35W/ (mK).When common masonry mortar is used for building light block body of wall by laying bricks or stones, because the thermal conductivity difference of the two is larger, whole masonry is caused to there is " cold bridge " phenomenon, the power loss caused by building mortar layer is very large, even there will be the phenomenons such as metope condensation, cause buildings work-ing life to shorten and the reduction of using function, simultaneously common guarantor to build the cohesive strength of warm mortar and light block by laying bricks or stones undesirable, understand the intensity of serious masonry.Can be affected, and mortar.Therefore, research has good workability, cohesive strength and special-purpose thermal insulation masonry mortar close with light block on dry-shrinkage deformed, heat conductivility, has great importance.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, provide high, dry-shrinkage deformed little, low the building by laying bricks or stones of thermal conductivity of a kind of cohesive strength to use thermal insulation mortar.

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

One is built by laying bricks or stones with thermal insulation mortar, is made up of the raw material of following weight part: ferro-aluminate cement 40-50, ceramsite sand 25-35, cinder powder 10-15, magnesia 5-10, pyrophyllite powder 8-12, drift pearl 10-15, Sodium Silicofluoride 0.5-1.5, redispersable latex powder 2-3, nano titanium oxide 3-5, cellulose acetate 1.5-2.5, wood sawdust 2-4, magnesium hydroxide 4-8, sodium starch glycolate 1-2, compounded mix 3-6;

The preparation method of described compounded mix is as follows:

A () takes 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 mix by (), pulverized 100-150 mesh sieve, then spent pulping liquor, citric acid and tripoly phosphate sodium STPP is added, wet ball grinding 20-30min, granulation, controlling particle diameter is dry at 0.3-0.4mm, 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, and then added 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 () gets Nano silica sol and sorbester p17 stirs, and adds the particle that step (b) is obtained, high-speed stirring 5-10min, then add plant ash and the obtained compound of step (c), and high-speed stirring 10-15min, dries.

Using method: mixed by above-mentioned raw materials, then the ratio of 1: 1.2-1.5 can use after mortar dry powder and water being stirred by weight.

Beneficial effect of the present invention:

Building heat insulation mortar of the present invention is close with light block on dry-shrinkage deformed, heat conductivility, effectively can avoid the generation of " cold bridge " phenomenon, and there is the performances such as excellent workability, cohesive strength, mobility, water-retentivity, ultimate compression strength, splitting resistance, not shedding, does not ftracture, and does not go mouldy, good stability, workability is good, easy to use, has huge market outlook.

Embodiment

One is built by laying bricks or stones with thermal insulation mortar, is made up of the raw material of following weight (kg): ferro-aluminate cement 44, ceramsite sand 32, cinder powder 12, magnesia 6, pyrophyllite powder 10, drift pearl 12, Sodium Silicofluoride 1, redispersable latex powder 2.5, nano titanium oxide 4, cellulose acetate 2, wood sawdust 3, magnesium hydroxide 6, sodium starch glycolate 1.5, compounded mix 4;

The preparation method of described compounded mix is as follows:

A () takes the raw material of following weight (kg): sepiolite 12, vermiculite 8, shale 25, coal gangue 10, kaolin 10, boron mud 10, vinyl three ('beta '-methoxy oxyethyl group) silane 2, 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 3;

B shale, coal gangue, kaolin and boron mud mix by (), pulverized 100 mesh sieves, then spent pulping liquor, citric acid and tripoly phosphate sodium STPP is added, wet ball grinding 20min, granulation, control particle diameter is 0.3mm, dries at 115 DEG C, high-temperature roasting 1.5h at 1220 DEG C, is cooled to room temperature stand-by again;

(c) sepiolite and vermiculite are mixed after in 690 DEG C of temperature lower calcination 3h, be cooled to room temperature and be placed on the hydrochloric acid soln that concentration is 15%, heating in water bath to 75 DEG C, insulation 35min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200 mesh sieves, and then added vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 25min, stand-by;

D () gets Nano silica sol and sorbester p17 stirs, and adds the particle that step (b) is obtained, high-speed stirring 10min, then add plant ash and the obtained compound of step (c), and high-speed stirring 15min, dries.

Mixed by above-mentioned raw materials, then the ratio of 1: 1.4 can use after mortar dry powder and water being stirred by weight.

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）	0.036
28d ultimate compression strength	kPa	421
			Linear shrinkage	%	0.22
Coefficient of softening	—	0.85
			Splitting resistance	—	Below 5mmm flawless

Claims (1)

1. build by laying bricks or stones with thermal insulation mortar for one kind, it is characterized in that, be made up of the raw material of following weight part: ferro-aluminate cement 40-50, ceramsite sand 25-35, cinder powder 10-15, magnesia 5-10, pyrophyllite powder 8-12, drift pearl 10-15, Sodium Silicofluoride 0.5-1.5, redispersable latex powder 2-3, nano titanium oxide 3-5, cellulose acetate 1.5-2.5, wood sawdust 2-4, magnesium hydroxide 4-8, sodium starch glycolate 1-2, compounded mix 3-6;

The preparation method of described compounded mix is as follows:

A () takes 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 mix by (), pulverized 100-150 mesh sieve, then spent pulping liquor, citric acid and tripoly phosphate sodium STPP is added, wet ball grinding 20-30min, granulation, controlling particle diameter is dry at 0.3-0.4mm, 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, and then added 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 () gets Nano silica sol and sorbester p17 stirs, and adds the particle that step (b) is obtained, high-speed stirring 5-10min, then add plant ash and the obtained compound of step (c), and high-speed stirring 10-15min, dries.