CN105272066A - Self-insulation hollow block for exterior wall and preparation method thereof - Google Patents
Self-insulation hollow block for exterior wall and preparation method thereof Download PDFInfo
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- CN105272066A CN105272066A CN201510804655.9A CN201510804655A CN105272066A CN 105272066 A CN105272066 A CN 105272066A CN 201510804655 A CN201510804655 A CN 201510804655A CN 105272066 A CN105272066 A CN 105272066A
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- exterior wall
- hollow block
- gypsum
- organosilicon
- waterproofing agent
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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
Abstract
The invention relates to a self-insulation hollow block for an exterior wall and a preparation method thereof. The self-insulation hollow block is prepared from, by weight, 55-70 parts of coal ash, 10-20 parts of silicate cement, 40-50 parts of gypsum, 5-10 parts of quick lime and 5-10 parts of organosilicon waterproofing agents. The raw materials are mixed, stirred, formed and maintained to obtain the finished self-insulation hollow block. According to the self-insulation hollow block for the exterior wall, no sintering is needed, state owned land and coal are saved, no pollution is caused, the engineering speed can be increased, the building weight is decreased, the hollow rate is high, sound insulation and heat preservation are achieved, warmth in winter and coldness in summer are achieved, resistance to weather is achieved, the raw materials have rich sources, the quality is good, the production technology is simple, and operation is convenient.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of exterior wall self-insulation hollow block and preparation method thereof.
Background technology
Day by day rare along with global energy, the wall thermal insulating of buildings has become the important topic of building energy saving field, and the thermal property of building masonry wall realizes by covering lagging material combination way such as additional EPS plate or XPS plate outside body of wall.Covering lagging material combination way outside body of wall is use heat preservation technology the most widely at present, but the potential safety hazard that the material price of this technology is high, work efficiency is low, install is larger, and China there occurs a lot of fire failure relevant with outer wall heat insulating in recent years, the fire safety problem of outer wall heat insulating has received the concern of various circles of society.
In order to improve the thermal property of building masonry wall, also have and adopt Self-insulating wall building block brick to realize, its operation of heat insulation building block brick used on existing market is as EPS or PU etc. is packed in brick hole by foaming thermal-insulating, to reach effect of brick body self-heat conserving, higher and the thermal property of this way cost is difficult to meet national standard completely, also needs to be aided with other conservation measuress, makes brick wall energy-saving comprehensive cost higher, therefore enter building energy conservation market, its competitive power is not strong.
Although also there is the relevant report of building block brick at present, there is the defects such as thermal property difference, resistance to low temperature is poor, ultimate compression strength is low, preparation cost is high, pollution is large, work-ing life is short.
Summary of the invention
The object of this invention is to provide a kind of exterior wall self-insulation hollow block and preparation method thereof; main raw material(s) of the present invention is annual the discharged flyash of Hazards in Power Plant; object is turned waste into wealth by waste residue; exterior wall self-insulation hollow block of the present invention has insulation, heat insulation, moistureproof, waterproof, Economization on land, reserved resource; utilize the three wastes, reduce the function of environmental pollution.
In order to achieve the above object, the present invention adopts following technical scheme:
The invention provides a kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55 ~ 70, silicate cement 10 ~ 20, gypsum 40 ~ 50, unslaked lime 5 ~ 10 and waterproofing agent of organosilicon 5 ~ 10.
According to above-mentioned exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55 ~ 60, silicate cement 10 ~ 15, gypsum 40 ~ 45, unslaked lime 8 ~ 10 and waterproofing agent of organosilicon 5 ~ 7.
According to above-mentioned exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 65 ~ 70, silicate cement 15 ~ 20, gypsum 45 ~ 50, unslaked lime 5 ~ 8 and waterproofing agent of organosilicon 7 ~ 10.
According to above-mentioned exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55, silicate cement 10, gypsum 40, unslaked lime 8 and waterproofing agent of organosilicon 6.
According to above-mentioned exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 68, silicate cement 19, gypsum 50, unslaked lime 5 and waterproofing agent of organosilicon 9.
The preparation method of described exterior wall self-insulation hollow block, comprises the steps:
(1) take the water of above-mentioned formula powder coal ash, silicate cement, gypsum, unslaked lime and waterproofing agent of organosilicon total mass 0.5 ~ 0.8 times amount, the waterproofing agent of organosilicon that Xiang Shuizhong adds formula ratio stirs and obtains mixed solution a;
(2) take raw material powder coal ash, silicate cement, gypsum and unslaked lime according to said ratio to mix and obtain mixed powder b;
(3) add the mixed powder b that step (2) obtains in the mixed solution a obtained to step (1), then mix and obtain wet stock c;
(4) the wet stock c that step (3) obtains is delivered to block machine, wet mass pug is made building block adobe;
(5) by building block adobe 25 ~ 28 DEG C, under humidity >=92% condition, building block brick carries out maintenance in 26 ~ 30 days, obtains finished product.
compared with prior art: the beneficial effect that the present invention obtains:
1. exterior wall self-insulation hollow block of the present invention need not sinter, and saves State owned land, coal, pollution-free, can improve project speed, alleviate building body weight, hollow rate is high, and sound-insulation and heat-insulation is cool in summer and warm in winter, weathering resistance, abundant raw material source, quality is good and production technique simple, easy to operate.
2. stir through former material batch mixing, shaping, maintenance, finished product, its product structure is even, unit weight 750-850 ㎏/m
3, ultimate compression strength is 9.2-12.3MPa, water-intake rate≤8%, and heat transfer coefficient is 0.6-0.75w/(m
2k), coefficient of softening 0.85-0.95, the freeze-thaw-50 inferior quality rate of loss that circulate are 2.0-2.7%, and freeze-thaw-50 the loss of strength rates that circulate are 14-20%, and product performance meet the requirement of GB/T15229-2002 " lightweight small size hollow concrete blocks " completely.
Embodiment
Below in conjunction with embodiment, the present invention is further described, but do not limit content of the present invention.
The raw material related in the present invention is commercially available, and waterproofing agent of organosilicon is purchased from Beijing and contains and lead to material of construction limited liability company.
embodiment 1
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55 ~ 70, silicate cement 10 ~ 20, gypsum 40 ~ 50, unslaked lime 5 ~ 10 and waterproofing agent of organosilicon 5 ~ 10.
The preparation method of described exterior wall self-insulation hollow block, comprises the steps:
(1) take the water of above-mentioned formula powder coal ash, silicate cement, gypsum, unslaked lime and waterproofing agent of organosilicon total mass 0.5 ~ 0.8 times amount, the waterproofing agent of organosilicon that Xiang Shuizhong adds formula ratio stirs and obtains mixed solution a;
(2) take raw material powder coal ash, silicate cement, gypsum and unslaked lime according to said ratio to mix and obtain mixed powder b;
(3) add the mixed powder b that step (2) obtains in the mixed solution a obtained to step (1), then mix and obtain wet stock c;
(4) the wet stock c that step (3) obtains is delivered to block machine, wet mass pug is made building block adobe;
(5) by building block adobe 25 ~ 28 DEG C, under humidity >=92% condition, building block brick carries out maintenance in 26 ~ 30 days, obtains finished product.
embodiment 2
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55, silicate cement 10, gypsum 40, unslaked lime 8 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 3
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 68, silicate cement 19, gypsum 50, unslaked lime 5 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 4
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55, silicate cement 20, gypsum 40, unslaked lime 10 and waterproofing agent of organosilicon 5.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 5
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 60, silicate cement 15, gypsum 45, unslaked lime 8 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 6
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 65, silicate cement 17, gypsum 42, unslaked lime 6 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 7
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 57, silicate cement 19, gypsum 47, unslaked lime 7 and waterproofing agent of organosilicon 8.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 8
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 63, silicate cement 12, gypsum 46, unslaked lime 5.5 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 9
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 56, silicate cement 11, gypsum 44, unslaked lime 7 and waterproofing agent of organosilicon 10.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 10
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 58, silicate cement 15, gypsum 49, unslaked lime 6.5 and waterproofing agent of organosilicon 7.5.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 11
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 62, silicate cement 17, gypsum 43, unslaked lime 8 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 12
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 69, silicate cement 13, gypsum 41, unslaked lime 8.5 and waterproofing agent of organosilicon 7.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 13
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 57, silicate cement 16, gypsum 42, unslaked lime 10 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 14
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 65, silicate cement 12, gypsum 45, unslaked lime 8 and waterproofing agent of organosilicon 7.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 15
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 66, silicate cement 19, gypsum 44, unslaked lime 9 and waterproofing agent of organosilicon 8.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 16
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 63, silicate cement 14, gypsum 46, unslaked lime 8 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 17
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 58, silicate cement 12, gypsum 42, unslaked lime 8 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 18
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 57, silicate cement 12, gypsum 48, unslaked lime 10 and waterproofing agent of organosilicon 5.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 19
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 55, silicate cement 20, gypsum 46, unslaked lime 5 and waterproofing agent of organosilicon 8.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 20
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 70, silicate cement 10, gypsum 50, unslaked lime 5 and waterproofing agent of organosilicon 10.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 21
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 67, silicate cement 12, gypsum 42, unslaked lime 8 and waterproofing agent of organosilicon 9.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 22
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 65, silicate cement 15, gypsum 48, unslaked lime 6 and waterproofing agent of organosilicon 8.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 23
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 56, silicate cement 17, gypsum 43, unslaked lime 8 and waterproofing agent of organosilicon 8.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 24
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 70, silicate cement 10, gypsum 40, unslaked lime 5 and waterproofing agent of organosilicon 10.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 25
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 58, silicate cement 12, gypsum 48, unslaked lime 6 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 26
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 60, silicate cement 18, gypsum 45, unslaked lime 9 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 27
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 59, silicate cement 14, gypsum 47, unslaked lime 8 and waterproofing agent of organosilicon 7.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 28
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 65, silicate cement 15, gypsum 40, unslaked lime 10 and waterproofing agent of organosilicon 10.
The preparation method of the present embodiment is identical with embodiment 1.
embodiment 29
A kind of exterior wall self-insulation hollow block, it is made up of the raw material of following weight part: flyash 68, silicate cement 13, gypsum 47, unslaked lime 7 and waterproofing agent of organosilicon 6.
The preparation method of the present embodiment is identical with embodiment 1.
The sample that embodiment 2-29 obtains is tested, and its product structure is even, unit weight 750-850 ㎏/m
3, ultimate compression strength is 9.2-12.3MPa, water-intake rate≤8%, and heat transfer coefficient is 0.6-0.75w/(m
2k), coefficient of softening 0.85-0.95, the freeze-thaw-50 inferior quality rate of loss that circulate are 2.0-2.7%, and freeze-thaw-50 the loss of strength rates that circulate are 14-20%, and product performance meet the requirement of GB/T15229-2002 " lightweight small size hollow concrete blocks " completely.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (6)
1. an exterior wall self-insulation hollow block, is characterized in that it is made up of the raw material of following weight part: flyash 55 ~ 70, silicate cement 10 ~ 20, gypsum 40 ~ 50, unslaked lime 5 ~ 10 and waterproofing agent of organosilicon 5 ~ 10.
2. exterior wall self-insulation hollow block according to claim 1, is characterized in that it is made up of the raw material of following weight part: flyash 55 ~ 60, silicate cement 10 ~ 15, gypsum 40 ~ 45, unslaked lime 8 ~ 10 and waterproofing agent of organosilicon 5 ~ 7.
3. exterior wall self-insulation hollow block according to claim 1, is characterized in that it is made up of the raw material of following weight part: flyash 65 ~ 70, silicate cement 15 ~ 20, gypsum 45 ~ 50, unslaked lime 5 ~ 8 and waterproofing agent of organosilicon 7 ~ 10.
4. exterior wall self-insulation hollow block according to claim 2, is characterized in that it is made up of the raw material of following weight part: flyash 55, silicate cement 10, gypsum 40, unslaked lime 8 and waterproofing agent of organosilicon 6.
5. exterior wall self-insulation hollow block according to claim 3, is characterized in that it is made up of the raw material of following weight part: flyash 68, silicate cement 19, gypsum 50, unslaked lime 5 and waterproofing agent of organosilicon 9.
6. the preparation method of the exterior wall self-insulation hollow block according to any one of claim 1 ~ 5, is characterized in that comprising the steps:
(1) take the water of above-mentioned formula powder coal ash, silicate cement, gypsum, unslaked lime and waterproofing agent of organosilicon total mass 0.5 ~ 0.8 times amount, the waterproofing agent of organosilicon that Xiang Shuizhong adds formula ratio stirs and obtains mixed solution a;
(2) take raw material powder coal ash, silicate cement, gypsum and unslaked lime according to said ratio to mix and obtain mixed powder b;
(3) add the mixed powder b that step (2) obtains in the mixed solution a obtained to step (1), then mix and obtain wet stock c;
(4) the wet stock c that step (3) obtains is delivered to block machine, wet mass pug is made building block adobe;
(5) by building block adobe 25 ~ 28 DEG C, under humidity >=92% condition, building block brick carries out maintenance in 26 ~ 30 days, obtains finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510804655.9A CN105272066A (en) | 2015-11-20 | 2015-11-20 | Self-insulation hollow block for exterior wall and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510804655.9A CN105272066A (en) | 2015-11-20 | 2015-11-20 | Self-insulation hollow block for exterior wall and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337384A (en) * | 2016-05-02 | 2017-11-10 | 湖南专鑫建材科技有限责任公司 | Can continuous extrusion unburned outer wall self heat-preserving building-block and preparation method thereof |
| CN110357527A (en) * | 2019-07-15 | 2019-10-22 | 中北大学 | A kind of production method of heat-insulating heat-preserving material |
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| CN102303967A (en) * | 2011-08-09 | 2012-01-04 | 宁波大学 | Non-calcined desulfurized gypsum building block and preparation method thereof |
| CN103588426A (en) * | 2012-08-14 | 2014-02-19 | 中国建材检验认证集团厦门宏业有限公司 | Aerated concrete building block with low water absorption |
| CN105036677A (en) * | 2015-07-03 | 2015-11-11 | 李宁 | Autoclaved aerated concrete block or plate and preparation method thereof |
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| CN1978367A (en) * | 2005-12-09 | 2007-06-13 | 王玉宝 | Waterproof heat-insulating flyash foamed concrete block |
| CN101475358A (en) * | 2009-01-22 | 2009-07-08 | 武汉德丽宝建筑节能技术有限公司 | Production method for self-heat preserving energy-saving waterproof building block for architectural engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107337384A (en) * | 2016-05-02 | 2017-11-10 | 湖南专鑫建材科技有限责任公司 | Can continuous extrusion unburned outer wall self heat-preserving building-block and preparation method thereof |
| CN110357527A (en) * | 2019-07-15 | 2019-10-22 | 中北大学 | A kind of production method of heat-insulating heat-preserving material |
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Application publication date: 20160127 |