CN104652696A - Permanent modified desulphurization gypsum compound heat-insulating template and a manufacturing method thereof. - Google Patents
Permanent modified desulphurization gypsum compound heat-insulating template and a manufacturing method thereof. Download PDFInfo
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- CN104652696A CN104652696A CN201510099770.0A CN201510099770A CN104652696A CN 104652696 A CN104652696 A CN 104652696A CN 201510099770 A CN201510099770 A CN 201510099770A CN 104652696 A CN104652696 A CN 104652696A
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- desulfurated plaster
- slurry
- compound heat
- heat preservation
- die plate
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Abstract
The invention discloses a permanent modified desulphurization gypsum compound heat-insulating template which is prepared by the following steps: smearing an adhesion agent outside a polyurethane plate; then smearing modified desulphurization gypsum slurry outside; and filling a reinforcing material in the modified desulphurization gypsum slurry, wherein the modified desulphurization gypsum slurry is prepared by mixing desulphurization gypsum, a mineral activator, a light heat-insulating aggregate and various additives which are uniformly stirred with water. The template disclosed by the invention has the advantages that production process and flow are simple, the cost is low, the efficiency is high, the yield is large, manpower, material and financial materials are saved, a lot of waste solids are used, and thus the template is energy-saving and environmental-friendly. The integral product is small in heat conductivity coefficient and meets a relatively high building energy-saving standard.
Description
Technical field
The invention belongs to a kind of building energy conservation and structure-integrated field, be specially a kind of permanent modification desulfurated plaster compound heat preservation die plate.
Background technology
According to development trend, building energy conservation and structure-integratedly become main flow, existing permanent non-dismantling formwork has played very large effect.But permanent non-dismantling formwork cement slurry used now, the hydrated cementitious cycle is long, and need placement more than 8 hours ability turnover panel to smear the slurry of another side, need a large amount of moulds, occupied ground is large, and output is little, and investment is large, and manufacturing cost is high.Building energy saving rate is promoted to 75%, and traditional permanent non-dismantling formwork is difficult to meet the demands, even if can reach through thickened material, also can there is very large potential safety hazard.
Summary of the invention
The object of the invention is to provide a kind of permanent modification desulfurated plaster composite shuttering for above-mentioned weak point, modification desulfurated plaster slurry is adopted to substitute cement slurry, utilize the feature of gypsum quick-hardening, reduce the maintenance stand-by period of construction, greatly increase work efficiency, reduce the occupancy in mould and place.Select polyurethane to be central filler heat insulating material, the heat-insulating property of material own is superior, decreases the thickness of permanent non-dismantling formwork.Meanwhile, gypsum used is desulfurated plaster, belongs to trade waste, and price is low, greatly reduces cost, protects environment, meets national policy.The heat conduction system of gypsum itself can be better than cement, admixture light thermal-insulation aggregate in additional formula, overall heat-insulating property is significantly promoted, really reaches the high-level needs of building energy conservation.
onethe technical scheme of planting permanent modification desulfurated plaster compound heat preservation die plate is achieved in that interfacial agents (2) is smeared in polyurethane sheet (1) outside, modification desulfurated plaster slurry (4) is smeared in outside again, and modification desulfurated plaster slurry central filler has reinforcing material (3); Described polyurethane sheet is split into the rectangular channel (5) in direction in length and breadth through groover; Described interfacial agents is epoxy resin; Described modification desulfurated plaster slurry central filler reinforcing material is alkali resistant glass fibre open weave cloth;
Described modification desulfurated plaster slurry adopts the desulfurated plaster (main component is half-H 2 O calcium sulphate) after calcining, Mineral additive, light thermal-insulation aggregate, redispersable latex powder, water reducing agent, composite water-proof agent, polypropylene fibre, lignocellulosic, retarding agent, water, mix according to following weight proportioning and stir, wherein:
Desulfurated plaster after calcining: 55-68 part
Mineral additive: 25-38 part
Light thermal-insulation aggregate: 1-2 part
Redispersable latex powder: 0.5-1.5 part
Water reducing agent: 0.2-0.5 part
Composite water-proof agent: 0.1-0.3 part
Polypropylene fibre: 0.10-12 part
Lignocellulosic: 0.1-0.12 part
Retarding agent: 0.04-0.2 part
Ratio of water to material: 0.4-0.5 part
Mineral additive described in proportioning is the combination of cement, flyash, quicklime;
Light thermal-insulation aggregate described in proportioning is glass bead or hydrophobic pearlite or glass microballoon.
A kind of preparation method of permanent modification desulfurated plaster compound heat preservation die plate is:
(1) slurry is prepared: prepare this property desulfurated plaster slurry according to proportioning;
(2) brushing interfacial agents: by polyurethane sheet horizontal positioned, even brushing interfacial agents, thickness is in 1 millimeter;
(3) smear slurry: be put on outside interfacial agents by the modification desulfurated plaster slurry prepared, floating, thickness is 5 millimeter;
(4) reinforcement material is spread: smooth for reinforcement material is layered on modification desulfurated plaster slurry top, and flattens compacting with scraper;
(5) second time smears slurry: the modification desulfurated plaster slurry prepared is spread upon reinforcement material top, and floating, thickness is 5 millimeter;
(6) turnover panel: wait desulfurated plaster slurry to be modified final set, final setting time is adjustable at 35-120 minute, by group's turn over 360 deg, makes top on the untreated one side face of polyurethane sheet, smooth placement;
(7) repeat above-mentioned (2) (3) (4) (5) step, the permanent modification desulfurated plaster compound heat preservation die plate prepared is put between caring the car, natural curing 28 days, be i.e. obtained permanent modification desulfurated plaster compound heat preservation die plate.
Described natural curing is the outdoor or the indoor that have rainproof, sun-proof measure.
In sum, a kind of permanent modification desulfurated plaster compound heat preservation die plate of the present invention has following features:
One, permanent modification desulfurated plaster compound heat preservation die plate preparation time of the present invention, within 2 hours, substantially increases production efficiency, reduces mold use, the stacking of mould; Its two, the coefficient of thermal conductivity 0.024 of the present invention's polyurethane sheet used, is less than the material such as polyphenyl plate, extruded sheet, and coefficient of thermal conductivity is excellent, can meet the needs of building energy saving rate; Its three, the coefficient of thermal conductivity of gypsum is less than the coefficient of thermal conductivity of cement, and permanent modification desulfurated plaster compound heat preservation die plate heat-insulating property prepared by large dosage desulfurated plaster is better than existing permanent non-dismantling formwork; Its four, the interpolation of light thermal-insulation aggregate in modification desulfurated plaster slurry, makes heat-insulating property better, greatly improves the heat-insulating property of permanent modification desulfurated plaster compound heat preservation die plate; Its five, desulfurated plaster used is power plant desulfurization gained byproduct, to the utilization of desulfurated plaster, on the one hand meets national energy-saving environmental protection policy, reduces goods cost on the other hand; Its six, preparation method of the present invention is simple, and cost is low, and efficiency is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 is the structural representation of permanent modification desulfurated plaster compound heat preservation die plate.
Detailed description of the invention:
In order to describe the present invention, provide following case study on implementation.
A kind of permanent modification desulfurated plaster compound heat preservation die plate, it is characterized in that polyurethane sheet is prepared into the rectangular channel (1) in direction in length and breadth through groover, interfacial agents (2) is smeared in outside, modification desulfurated plaster slurry (4) is smeared in outside again, and modification desulfurated plaster slurry central filler has reinforcing material (3); Described interfacial agents is epoxy resin; Described modification desulfurated plaster slurry central filler reinforcing material is alkali resistant glass fibre open weave cloth;
Described modification desulfurated plaster slurry adopts the desulfurated plaster (main component is half-H 2 O calcium sulphate) after calcining, Mineral additive, light thermal-insulation aggregate, redispersable latex powder, water reducing agent, composite water-proof agent, polypropylene fibre, lignocellulosic, retarding agent, water, mix according to following weight proportioning and stir, wherein:
Desulfurated plaster after calcining: 66.46 parts;
Mineral additive: 30 parts
Light thermal-insulation aggregate: 1.3 parts
Redispersable latex powder: 1 part
Water reducing agent: 0.25 part
Composite water-proof agent: 0.3 part
Polypropylene fibre: 0.1 part
Lignocellulosic: 0.1 part
Retarding agent: 0.06 part
Ratio of water to material: 0.43 part
Mineral additive described in proportioning is the combination of cement, flyash, quicklime, is specially cement 7 parts, 20 parts, flyash, quicklime 3 parts;
Light thermal-insulation aggregate described in proportioning is glass bead;
Water reducing agent described in proportioning is polycarboxylate water-reducer;
In proportioning, composite water-proof agent is the combination of paraffin wax emulsions and waterproofing agent of organosilicon;
Redispersable latex powder described in proportioning is a watt gram 8034H.
A kind of permanent modification desulfurated plaster compound heat preservation die plate, its preparation method is:
(1) slurry is prepared: prepare this property desulfurated plaster slurry according to proportioning;
(2) brushing interfacial agents: by polyurethane sheet horizontal positioned, even brushing interfacial agents, thickness is in 1 millimeter;
(3) smear slurry: be put on outside interfacial agents by the modification desulfurated plaster slurry prepared, floating, thickness is 5 millimeter;
(4) reinforcement material is spread: smooth for reinforcement material is layered on modification desulfurated plaster slurry top, and flattens compacting with scraper;
(5) second time smears slurry: the modification desulfurated plaster slurry prepared is spread upon reinforcement material top, and floating, thickness is 5 millimeter;
(6) turnover panel: wait desulfurated plaster slurry to be modified final set, final setting time is adjustable at 58 minutes, by group's turn over 360 deg, makes top on the untreated one side face of polyurethane sheet, smooth placement;
(7) repeat above-mentioned (2) (3) (4) (5) step, the permanent modification desulfurated plaster compound heat preservation die plate prepared is put between caring the car, natural curing 28 days, be i.e. obtained permanent modification desulfurated plaster compound heat preservation die plate.
Described natural curing is the outdoor or the indoor that have rainproof, sun-proof measure.
After testing, obtained permanent modification desulfurated plaster compound heat preservation die plate:
1, shock resistance >=10J, qualified;
2, tensile strength >=0.25MPa;
3, volume water absorption rate≤0.8;
4, coefficient of thermal conductivity 0.073w/ (mk);
5, modification desulfurated plaster slurry anti-drawing strength is more than or equal to 0.7 MPa;
6, compressive strength >=0.25MPa.
Claims (9)
1. a permanent modification desulfurated plaster compound heat preservation die plate, it is characterized in that interfacial agents (2) is smeared in polyurethane sheet (1) outside, then modification desulfurated plaster slurry (4) is smeared in outside, modification desulfurated plaster slurry central filler has reinforcing material (3).
2. one according to claim 1 permanent modification desulfurated plaster compound heat preservation die plate, is characterized in that polyurethane sheet is split into the rectangular channel (5) in direction in length and breadth through groover.
3. a kind of permanent modification desulfurated plaster compound heat preservation die plate according to claim 1, is characterized in that interfacial agents is epoxy resin.
4. a kind of permanent modification desulfurated plaster compound heat preservation die plate according to claim 1, it is characterized in that modification desulfurated plaster slurry adopts the desulfurated plaster (main component is half-H 2 O calcium sulphate) after calcining, Mineral additive, light thermal-insulation aggregate, redispersable latex powder, water reducing agent, composite water-proof agent, polypropylene fibre, lignocellulosic, retarding agent, water, mix according to following weight proportioning and stir, wherein:
Desulfurated plaster after calcining: 55-68 part;
Mineral additive: 25-38 part;
Light thermal-insulation aggregate: 1-2 part
Redispersable latex powder: 0.5-1.5 part;
Water reducing agent: 0.2-0.5 part;
Composite water-proof agent: 0.1-0.3 part;
Polypropylene fibre: 0.10-12 part;
Lignocellulosic: 0.1-0.12 part;
Retarding agent: 0.04-0.2 part;
Ratio of water to material: 0.4-0.5 part.
5. one according to claim 1 permanent modification desulfurated plaster compound heat preservation die plate, is characterized in that modification desulfurated plaster slurry central filler reinforcing material is alkali resistant glass fibre open weave cloth.
6. modification desulfurated plaster slurry according to claim 4, is characterized in that Mineral additive described in proportioning is the combination of cement, flyash, quicklime.
7. modification desulfurated plaster slurry according to claim 4, is characterized in that the light thermal-insulation aggregate described in proportioning is glass bead or hydrophobic pearlite or glass microballoon.
8. a preparation method for permanent modification desulfurated plaster compound heat preservation die plate, is characterized in that:
(1) slurry is prepared: prepare this property desulfurated plaster slurry according to proportioning;
(2) brushing interfacial agents: by polyurethane sheet horizontal positioned, even brushing interfacial agents, thickness is in 1 millimeter;
(3) smear slurry: be put on outside interfacial agents by the modification desulfurated plaster slurry prepared, floating, thickness is 5 millimeter;
(4) reinforcement material is spread: smooth for reinforcement material is layered on modification desulfurated plaster slurry top, and flattens compacting with scraper;
(5) second time smears slurry: the modification desulfurated plaster slurry prepared is spread upon reinforcement material top, and floating, thickness is 5 millimeter;
(6) turnover panel: wait desulfurated plaster slurry to be modified final set, by group's turn over 360 deg, makes top on the untreated one side face of polyurethane sheet, smooth placement;
(7) repeat above-mentioned (2) (3) (4) (5) step, the permanent modification desulfurated plaster compound heat preservation die plate prepared is put between caring the car, natural curing 28 days, be i.e. obtained permanent modification desulfurated plaster compound heat preservation die plate.
9. the preparation method of a kind of permanent modification desulfurated plaster compound heat preservation die plate according to claim 8, is characterized in that: described natural curing is the outdoor or the indoor that have rainproof, sun-proof measure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099770.0A CN104652696B (en) | 2015-03-08 | 2015-03-08 | Permanent modified desulphurization gypsum compound heat-insulating template and a manufacturing method thereof. |
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| CN201510099770.0A CN104652696B (en) | 2015-03-08 | 2015-03-08 | Permanent modified desulphurization gypsum compound heat-insulating template and a manufacturing method thereof. |
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| CN104652696B CN104652696B (en) | 2017-02-01 |
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Cited By (3)
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| CN105174890A (en) * | 2015-09-09 | 2015-12-23 | 济南大学 | Composite light partition board and manufacturing method thereof |
| CN106587881A (en) * | 2016-12-25 | 2017-04-26 | 常州市鼎日环保科技有限公司 | Method for preparing thermal insulation material capable of automatically maintaining walls |
| CN109095867A (en) * | 2018-10-30 | 2018-12-28 | 广东龙湖科技股份有限公司 | A kind of water-resistant type gypsum filled pours material and preparation method thereof |
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| CN106587881A (en) * | 2016-12-25 | 2017-04-26 | 常州市鼎日环保科技有限公司 | Method for preparing thermal insulation material capable of automatically maintaining walls |
| CN109095867A (en) * | 2018-10-30 | 2018-12-28 | 广东龙湖科技股份有限公司 | A kind of water-resistant type gypsum filled pours material and preparation method thereof |
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| CN104652696B (en) | 2017-02-01 |
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Inventor after: Zhang Guohui Inventor after: Liu Huiquan Inventor after: Wen Haibin Inventor before: Zhang Guohui Inventor before: Wen Haibin Inventor before: Li Ning Inventor before: Lin Ping Inventor before: Di Shuyu |
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Effective date of registration: 20161214 Address after: Ji'nan City, Shandong province 250022 nanxinzhuang Road No. 336 Applicant after: Jinan Univ. Applicant after: Liu Huiquan Address before: Ji'nan City, Shandong province 250022 nanxinzhuang Road No. 336 Applicant before: Jinan Univ. |
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