CN105060826A - Thermal insulation mortar for building external walls and preparation method thereof - Google Patents
Thermal insulation mortar for building external walls and preparation method thereof Download PDFInfo
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- CN105060826A CN105060826A CN201510505166.3A CN201510505166A CN105060826A CN 105060826 A CN105060826 A CN 105060826A CN 201510505166 A CN201510505166 A CN 201510505166A CN 105060826 A CN105060826 A CN 105060826A
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- paper mill
- mill sludge
- sludge ash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a thermal insulation mortar for building external walls. The thermal insulation mortar consists of sulfate aluminium cement, papermaking sewage sludge ash, polystyrene granules, glazed hollow beads, cellulose ether, an air-entraining agent, a polycarboxylate superplasticizer, alkali-resistant glass fibers and water, and further discloses a preparation method of the thermal insulation mortar. As paper mill sludge ash replaces part of cement, the compactness and the water resistance are very good, the thermal insulation mortar is stable in physical property, free of cracks, ageing-resistant, long in service life and excellent in thermal insulation performance. Not only is harmless utilization of paper mill sludge ash realized to protect the environment, but also resources are saved, waste is changed into valuable, the consumption of cement is reduced, the cost is lowered, and favorable economic and social benefits are achieved. The preparation method is simple, can be completed according to the conventional technology and is low in production cost.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of heat preservation mortar for outer wall of buildings and preparation method thereof.
Background technology
Thermal insulation mortar is mainly gelling material with cement, take light material as aggregate, the modifying admixture of admixture specific components, and introduces a certain amount of admixture, after stirrer stirs, for building the basic unit's mortar in exterior wall heat-preserving system.In recent years, usually adopt some new materials to replace traditional gelling material and aggregate, mainly comprise levigate granulated blast furnace slag, flyash, silica flour, glass, rubber and cable refuse etc. of milling.
Along with the consumption of expanding economy paper is increasing, and the mud that paper industry produces every year brings serious pollution to environment.In Europe, paper pulp and paper industry produce about 8,000,000 tons of paper mill sludges every year.Dehydration paper mill sludge adopts incinerating method to realize minimizing usually, this generates paper mill sludge ash (PSA).And the treatment process that the residue after burning also is not applicable at present, be easy to cause secondary pollution.In China, often produce one ton of paper time, just have 700 kilograms of water content 30% to 98% paper mill sludge produce, sludge yield is 5 to 10 times of same size sewage work.These paper mill sludges are mainly stacked by landfill disposal or as waste at present, not only will take a large amount of soil, also can cause soil pollution.Therefore, how effectively these mud for the treatment of and utilization are key issues that paper-making industry need solve.A kind of paper mill sludge of the Invention Announce of application publication number CN103030257A (a kind of paper mill sludge burns and the method for harmless treatment) burns and the method for harmless treatment.This invention describes the method for producing paper mill sludge ash, but does not describe treatment process and the utilization obstacle of paper mill sludge ash in detail.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of heat preservation mortar for outer wall of buildings.
Present invention also offers a kind of preparation method of heat preservation mortar for outer wall of buildings.
For achieving the above object, the invention provides following technical scheme:
A kind of heat preservation mortar for outer wall of buildings, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 20-25 part, granular polystyrene 5-8 part, glass bead 8-12 part, ether of cellulose 0.5-0.8 part, air entrapment agent 0.3-0.6 part, polycarboxylate water-reducer 0.6-0.9 part, alkali resistant glass fibre 0.3-0.5 part, water 60-80 part.
Further scheme, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 20 parts, granular polystyrene 5 parts, glass bead 8 parts, ether of cellulose 0.5 part, air entrapment agent 0.3 part, polycarboxylate water-reducer 0.6 part, alkali resistant glass fibre 0.3 part, 60 parts, water.
Further scheme, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 23 parts, granular polystyrene 6 parts, glass bead 10 parts, ether of cellulose 0.6 part, air entrapment agent 0.5 part, polycarboxylate water-reducer 0.8 part, alkali resistant glass fibre 0.4 part, 70 parts, water.
Further scheme, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 25 parts, granular polystyrene 8 parts, glass bead 12 parts, ether of cellulose 0.8 part, air entrapment agent 0.6 part, polycarboxylate water-reducer 0.9 part, alkali resistant glass fibre 0.5 part, 80 parts, water.
Described, paper mill sludge ash is that paper mill sludge burns gained powder at 400-850 DEG C, and 200 mesh sieve screenings, tail over and be less than 10%.
Described, the main component of paper mill sludge ash is calcium aluminosilicate and anhydrous calciumsulphate.
Described, the particle diameter of granular polystyrene is 2-5mm, and tap density is 8.9kg/m
3.
Described, air entrapment agent is Sodium dodecylbenzene sulfonate.
Described, alkali resistant glass fibre filament diameter 18-20 μm, length 6mm.
A preparation method for heat preservation mortar for outer wall of buildings, comprises the following steps:
(1) take aluminosulfate cement, paper mill sludge ash, ether of cellulose and air entrapment agent according to weight part, fully mix, obtain mixed powder.
(2) alkali resistant glass fibre is added in water, under 40-60r/min, stir 20min, then add polycarboxylate water-reducer continuation stirring 1min, obtain mixing liquid.
(3) mixed powder is joined in mixing liquid; 160-180r/min stirs 3min; add 50% glass bead again; 100-140r/min stirs 30s, then adds granular polystyrene, and 160-180r/min stirs 10s; 100-140r/min stirs 20s; finally add residue glass bead, 100-140r/min stirs 1min, can obtain the thermal insulation mortar containing paper mill sludge ash of the present invention.
Beneficial effect of the present invention:
1. the present invention uses paper mill sludge ash to replace part of cement, not only achieves the innoxious use of paper mill sludge, protection of the environment, can also economize on resources, turn waste into wealth, reduce cement consumption, reduce costs, have good economic and social benefit.
2. thermal insulation mortar of the present invention with the addition of paper mill sludge ash, has good compactness and water resistance, product stable physical property, do not ftracture, anti-aging, long service life, there is good heat-insulating property, for modern architecture energy-saving material field brings significant progress.
3. preparation method of the present invention is simple, and can complete by existing technical matters, production cost is low.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of heat preservation mortar for outer wall of buildings, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 20 parts, granular polystyrene 5 parts, glass bead 8 parts, ether of cellulose 0.5 part, air entrapment agent 0.3 part, polycarboxylate water-reducer 0.6 part, alkali resistant glass fibre 0.3 part, 60 parts, water.
Described, paper mill sludge ash is that paper mill sludge burns gained powder at 400-850 DEG C, and 200 mesh sieve screenings, tail over and be less than 10%.
Described, the main component of paper mill sludge ash is calcium aluminosilicate and anhydrous calciumsulphate.
Described, the particle diameter of granular polystyrene is 2-5mm, and tap density is 8.9kg/m
3.
Described, air entrapment agent is Sodium dodecylbenzene sulfonate.
Described, alkali resistant glass fibre filament diameter 18-20 μm, length 6mm.
A preparation method for heat preservation mortar for outer wall of buildings, comprises the following steps:
(1) take aluminosulfate cement, paper mill sludge ash, ether of cellulose and air entrapment agent according to weight part, fully mix, obtain mixed powder.
(2) alkali resistant glass fibre is added in water, under 60r/min, stir 20min, then add polycarboxylate water-reducer continuation stirring 1min, obtain mixing liquid.
(3) mixed powder is joined in mixing liquid; 160r/min stirs 3min; add 50% glass bead again; 140r/min stirs 30s, then adds granular polystyrene, and 160r/min stirs 10s; 140r/min stirs 20s; finally add residue glass bead, 140r/min stirs 1min, can obtain the thermal insulation mortar containing paper mill sludge ash of the present invention.
Embodiment 2
A kind of heat preservation mortar for outer wall of buildings, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 23 parts, granular polystyrene 6 parts, glass bead 10 parts, ether of cellulose 0.6 part, air entrapment agent 0.5 part, polycarboxylate water-reducer 0.8 part, alkali resistant glass fibre 0.4 part, 70 parts, water.
Described, paper mill sludge ash is that paper mill sludge burns gained powder at 400-850 DEG C, and 200 mesh sieve screenings, tail over and be less than 10%.
Described, the main component of paper mill sludge ash is calcium aluminosilicate and anhydrous calciumsulphate.
Described, the particle diameter of granular polystyrene is 2-5mm, and tap density is 8.9kg/m
3.
Described, air entrapment agent is Sodium dodecylbenzene sulfonate.
Described, alkali resistant glass fibre filament diameter 18-20 μm, length 6mm.
A preparation method for heat preservation mortar for outer wall of buildings, comprises the following steps:
(1) take aluminosulfate cement, paper mill sludge ash, ether of cellulose and air entrapment agent according to weight part, fully mix, obtain mixed powder.
(2) alkali resistant glass fibre is added in water, under 50r/min, stir 20min, then add polycarboxylate water-reducer continuation stirring 1min, obtain mixing liquid.
(3) mixed powder is joined in mixing liquid; 170r/min stirs 3min; add 50% glass bead again; 120r/min stirs 30s, then adds granular polystyrene, and 170r/min stirs 10s; 120r/min stirs 20s; finally add residue glass bead, 120r/min stirs 1min, can obtain the thermal insulation mortar containing paper mill sludge ash of the present invention.
Embodiment 3
A kind of heat preservation mortar for outer wall of buildings, is made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 25 parts, granular polystyrene 8 parts, glass bead 12 parts, ether of cellulose 0.8 part, air entrapment agent 0.6 part, polycarboxylate water-reducer 0.9 part, alkali resistant glass fibre 0.5 part, 80 parts, water.
Described, paper mill sludge ash is that paper mill sludge burns gained powder at 400-850 DEG C, and 200 mesh sieve screenings, tail over and be less than 10%.
Described, the main component of paper mill sludge ash is calcium aluminosilicate and anhydrous calciumsulphate.
Described, the particle diameter of granular polystyrene is 2-5mm, and tap density is 8.9kg/m
3.
Described, air entrapment agent is Sodium dodecylbenzene sulfonate.
Described, alkali resistant glass fibre filament diameter 18-20 μm, length 6mm.
A preparation method for heat preservation mortar for outer wall of buildings, comprises the following steps:
(1) take aluminosulfate cement, paper mill sludge ash, ether of cellulose and air entrapment agent according to weight part, fully mix, obtain mixed powder.
(2) alkali resistant glass fibre is added in water, under 40r/min, stir 20min, then add polycarboxylate water-reducer continuation stirring 1min, obtain mixing liquid.
(3) mixed powder is joined in mixing liquid; 180r/min stirs 3min; add 50% glass bead again; 100r/min stirs 30s, then adds granular polystyrene, and 180r/min stirs 10s; 100r/min stirs 20s; finally add residue glass bead, 100r/min stirs 1min, can obtain the thermal insulation mortar containing paper mill sludge ash of the present invention.
Performance test
With reference to the regulation of GB/T20473-2006 " building heat-insulating mortar ", the thermal insulation mortar obtained to embodiment 1-3 carries out performance parameter test,
The performance test results is as shown in table 1.
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Standard |
| Resistance to compression/MPa | 0.72 | 0.71 | 0.73 | ＞0.4 |
| Anti-folding/MPa | 0.77 | 0.74 | 0.78 | - |
| Linear shrinkage/% | 0.2 | 0.21 | 0.19 | ＜0.3 |
| Water-intake rate/% | 7 | 7 | 7 | - |
| Dry density/kg/m 3 | 388 | 400 | 401 | 301-400 |
| Coefficient of softening | 0.88 | 0.89 | 0.81 | ＞0.5 |
| Burning rank | A2 | A2 | A2 | A |
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (10)
1. a heat preservation mortar for outer wall of buildings; it is characterized in that, be made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 20-25 part, granular polystyrene 5-8 part, glass bead 8-12 part, ether of cellulose 0.5-0.8 part, air entrapment agent 0.3-0.6 part, polycarboxylate water-reducer 0.6-0.9 part, alkali resistant glass fibre 0.3-0.5 part, water 60-80 part.
2. heat preservation mortar for outer wall of buildings according to claim 1; it is characterized in that, be made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 20 parts, granular polystyrene 5 parts, glass bead 8 parts, ether of cellulose 0.5 part, air entrapment agent 0.3 part, polycarboxylate water-reducer 0.6 part, alkali resistant glass fibre 0.3 part, 60 parts, water.
3. heat preservation mortar for outer wall of buildings according to claim 1; it is characterized in that, be made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 23 parts, granular polystyrene 6 parts, glass bead 10 parts, ether of cellulose 0.6 part, air entrapment agent 0.5 part, polycarboxylate water-reducer 0.8 part, alkali resistant glass fibre 0.4 part, 70 parts, water.
4. heat preservation mortar for outer wall of buildings according to claim 1; it is characterized in that, be made up of the raw material of following weight part: aluminosulfate cement 110 parts, paper mill sludge ash 25 parts, granular polystyrene 8 parts, glass bead 12 parts, ether of cellulose 0.8 part, air entrapment agent 0.6 part, polycarboxylate water-reducer 0.9 part, alkali resistant glass fibre 0.5 part, 80 parts, water.
5. the heat preservation mortar for outer wall of buildings according to claim 1-4, is characterized in that, described paper mill sludge ash is that paper mill sludge burns gained powder at 400-850 DEG C, and 200 mesh sieve screenings, tail over and be less than 10%.
6. heat preservation mortar for outer wall of buildings according to claim 5, is characterized in that, the main component of described paper mill sludge ash is calcium aluminosilicate and anhydrous calciumsulphate.
7. the heat preservation mortar for outer wall of buildings according to claim 1-4, is characterized in that, the particle diameter of described granular polystyrene is 2-5mm, and tap density is 8.9kg/m
3.
8. the heat preservation mortar for outer wall of buildings according to claim 1-4, is characterized in that, described air entrapment agent is Sodium dodecylbenzene sulfonate.
9. the heat preservation mortar for outer wall of buildings according to claim 1-4, is characterized in that, described alkali resistant glass fibre filament diameter 18-20 μm, length 6mm.
10. a preparation method for the heat preservation mortar for outer wall of buildings described in claim 1-9, is characterized in that, comprises the following steps:
(1) take aluminosulfate cement, paper mill sludge ash, ether of cellulose and air entrapment agent according to weight part, fully mix, obtain mixed powder;
(2) alkali resistant glass fibre is added in water, under 40-60r/min, stir 20min, then add polycarboxylate water-reducer continuation stirring 1min, obtain mixing liquid;
(3) mixed powder is joined in mixing liquid; 160-180r/min stirs 3min; add 50% glass bead again; 100-140r/min stirs 30s, then adds granular polystyrene, and 160-180r/min stirs 10s; 100-140r/min stirs 20s; finally add residue glass bead, 100-140r/min stirs 1min, can obtain the thermal insulation mortar containing paper mill sludge ash of the present invention.
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| CN201510505166.3A CN105060826B (en) | 2015-08-11 | 2015-08-11 | Thermal insulation mortar for building external walls and preparation method thereof |
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| CN201510505166.3A CN105060826B (en) | 2015-08-11 | 2015-08-11 | Thermal insulation mortar for building external walls and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497375A (en) * | 2016-11-01 | 2017-03-15 | 宏岳塑胶集团股份有限公司 | A kind of pipeline antimicrobial form antiwear powder paint and preparation method thereof |
| CN106904917A (en) * | 2017-03-21 | 2017-06-30 | 济南大学 | Polystyrene calcium silicate heat-preserving mortar containing paper mill sludge and preparation method thereof |
| CN107673707A (en) * | 2017-10-27 | 2018-02-09 | 济南大学 | A kind of thermal insulation mortar using modified paper mill sludge particle |
| CN108793841A (en) * | 2018-06-12 | 2018-11-13 | 佛山市华强协兴陶瓷有限公司 | A kind of heat preservation mortar for outer wall and its production method |
| CN111943622A (en) * | 2020-08-12 | 2020-11-17 | 重庆富皇建筑工业化制品有限公司 | Full-machine-made sand wet-mixed mortar and processing method thereof |
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| CN101781918A (en) * | 2009-01-16 | 2010-07-21 | 同济大学 | Insulation block and method of using thermal insulation mortar to prepare insulation block |
| CN101863601A (en) * | 2009-04-14 | 2010-10-20 | 株式会社安农津技研 | Flocculation curing agent, composition thereof and stabilization improvement method of silt type soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106497375A (en) * | 2016-11-01 | 2017-03-15 | 宏岳塑胶集团股份有限公司 | A kind of pipeline antimicrobial form antiwear powder paint and preparation method thereof |
| CN106904917A (en) * | 2017-03-21 | 2017-06-30 | 济南大学 | Polystyrene calcium silicate heat-preserving mortar containing paper mill sludge and preparation method thereof |
| CN107673707A (en) * | 2017-10-27 | 2018-02-09 | 济南大学 | A kind of thermal insulation mortar using modified paper mill sludge particle |
| CN108793841A (en) * | 2018-06-12 | 2018-11-13 | 佛山市华强协兴陶瓷有限公司 | A kind of heat preservation mortar for outer wall and its production method |
| CN111943622A (en) * | 2020-08-12 | 2020-11-17 | 重庆富皇建筑工业化制品有限公司 | Full-machine-made sand wet-mixed mortar and processing method thereof |
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| CN105060826B (en) | 2017-01-25 |
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Effective date of registration: 20191223 Address after: The river town of Kau road 523000 in Guangdong province Dongguan city Po Thai Building No. 31 building A Room 403 Patentee after: DONGGUAN OURUI CONSTRUCTION Co.,Ltd. Address before: 523000 Guangdong Province, Dongguan city Changan Town Zhen'an road Shatou Road Patentee before: DONGGUAN TAIFENG STEEL STRUCTURE Co.,Ltd. |