CN1274924C - Novel thermal insulation and heat preservation structure and construction technique - Google Patents

Novel thermal insulation and heat preservation structure and construction technique Download PDF

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Publication number
CN1274924C
CN1274924C CN 200410013474 CN200410013474A CN1274924C CN 1274924 C CN1274924 C CN 1274924C CN 200410013474 CN200410013474 CN 200410013474 CN 200410013474 A CN200410013474 A CN 200410013474A CN 1274924 C CN1274924 C CN 1274924C
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China
Prior art keywords
preservation
heat
insulation
fiber
cracking resistance
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CN 200410013474
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Chinese (zh)
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CN1594772A (en
Inventor
张志峰
马保国
蹇守卫
周强
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张志峰
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Priority to CN 200410013474 priority Critical patent/CN1274924C/en
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Abstract

The present invention provides a novel thermal-insulation and heat-preservation structure and a construction technology. The structure orderly comprises a base layer, a thermal-insulation and heat-preservation layer, a fiber-reinforcement and crack-resistant layer and a decorative face layer from inside to outside. The construction technology comprises the steps of treating a base layer, smearing novel multifunctional thermal-insulation and heat-preservation plaster, smearing a crack-resistant base body, smearing infiltration type waterproof curing liquid on the crack-resistant base body and treating a decorative face. The novel thermal-insulation and heat-preservation structure achieves the technical purposes of infiltration resistance, crack resistance, wind pressure resistance, impact resistance, etc. of architectural structures, reduces material cost and enhances the thermal insulation and heat preservation, the durability and the labor efficiency of construction of the architectural structures.

Description

Novel heat insulation and preservation structure and construction technology

One, technical field

The present invention relates to a kind of novel heat insulation and preservation structure and construction technology, be mainly used in the space enclosing structure outer heat insulation of exterior wall.

Two, background technology

At present, China's building energy consumption has accounted for 27% of national total energy consumption, and along with constant development of economy, the improving constantly of living standards of the people, the proportion of building energy consumption will further increase, and the building energy consumption of present American-European developed country has reached 40% of whole society's total energy consumption.Therefore, save building energy consumption, promotion and implementation building energy conservation work meaning is great, and is imperative.The thermal isolation technique of body of wall, existing both at home and abroad a large amount of research, and lot of documents is arranged:

Major technique content in these documents is:

1, heat-insulation and heat-preservation material body of wall mainly is made up of cementing agent, insulating, crack-resistant layer and skin coat;

2, how the used heat insulating material of insulating is formed with granules of polystyrene, rock wool and heat-insulating mortar;

3, crack-resistant layer is made up of anticracking grout and reinforcement material.

The construction technology of original heat-insulation and heat-preservation material system is in the construction and use of reality, utilize reinforcement materials such as grid cloth mostly, to prevent the cracking of mortar, and the adding of reinforcement material has not only increased the program of construction, and because a large amount of grid cloth places the centre position of anticracking grout, because it is the most violent that the surface temperature of material changes, thereby surface stress is big, be easy to the formation temperature cracking; And the existing anticracking grout that utilizes fiber etc. to strengthen, because the performance of mortar itself is not good, lack corresponding construction technology simultaneously, can not effectively solve the cracking problem of anticracking grout, the result causes heat insulation and preservation effect to descend, cracking resistance, the water resistance of body of wall are relatively poor simultaneously, efficiency of construction is low, can not satisfy the enforcement of current building energy conservation fundamental state policy, is unfavorable for popularizing in an all-round way building energy conservation.

Three, summary of the invention

Technical problem to be solved of the present invention provides a kind of efficiency of construction height, high insulating effect, novel heat insulating wall that impervious ability is strong.This body of wall has water-proofing anticracking, good, the high efficient construction of heat preservation and insulation.

The present invention adopts following technical proposal to realize:

A kind of novel heat insulation and preservation structure, comprise basic unit, insulating, crack-resistant layer, finish coat, it is characterized in that: insulating is a kind of Multifunction thermal insulation plaster, its component and content (weight) are: 1 part of granules of polystyrene B, composite dry powder material A 8-13 part, water 6~15; Wherein the component of composite dry powder material A and content (weight) are: cement 50~80%, sial hollow glass spheroid material 10~40%, fiber 0.1~5%, air entraining agent 0.005~0.05%, modifier 1~5%, water reducing agent 0.2~1.2%, tackifier 0.5~2%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, is made up of cracking resistance matrix and infitration type waterproof curing fluid capable, and wherein the component of cracking resistance matrix and content (weight) are: 1 part of cracking resistance rubber powder, 2~2.5 parts of cement, 10~12 parts in sand, 2~2.5 parts in water; Wherein: the component of cracking resistance rubber powder and content (weight) are: inorganic mineral powder 30~50%, alkali proof fiber 0.1~4%, volume stabilizer 25~40%, polymer modifiers 30~45%; Finish coat is formed by putty with flexibility, water-fast function and color coating.Described alkali proof fiber can be one or more the mixture in polypropylene fibre, glass fiber, nylon fiber, the animal and plant fiber.A kind of construction technology of novel heat insulation and preservation structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear cracking resistance matrix → smear infitration type waterproof curing fluid capable → facing to handle on the cracking resistance matrix.

Base treatment

Base treatment technology is generally Surface Physical and handles and chemical treatment, the situation of apparent surface, physical treatment is partly carried out in loosening, the weathering of reply surface of wall, and to the ordinary mortar levelling of out-of-flatness metope, bright and clean frame construction part then should be cut a hole hair and be handled or smear interface treating agent.

The construction of heat-insulation and heat-preservation mortar layer

The thickness of heat-insulation and heat-preservation mortar layer determines that according to the coefficient of thermal conductivity and the design specific requirement of body of wall mortar bed thickness adopts 1 moulding below 4cm, adopts 2 times or repeatedly moulding more than 4cm

The construction of crack-resistant layer

After the heat-insulation and heat-preservation mortar drying (an about week), on the basis of heat-insulation and heat-preservation mortar, smear anti-crack polymer cement mortar.Should carry out the waterproof on surface after mortar solidifies thereupon and strengthen handling, promptly smear infitration type elastic water-proof curing fluid capable on the anticracking grout surface.The integral body that this curing fluid capable and anticracking grout form is crack-resistant layer.

Experiment showed, that the anticracking grout surface is carried out waterproof and strengthened processing is the important measures that guarantee the unlikely cracking of mortar, adopt the elastic water-proof curing fluid capable of infitration type, can avoid outside moisture to enter insulating on the one hand, influence heat insulation effect; On the other hand, can guarantee that the moisture in the anticracking grout is not easy to distribute, play the effect that guarantees curing condition; Simultaneously, this organic matter infiltrates screed can form new crack-resistant layer, effectively prevents the cracking of screed.

Beneficial effect of the present invention:

1, the realization mechanism of heat preservation and insulation

Material:

Adopt granules of polystyrene: because the heat preservation and insulation of polystyrene is good, its coefficient of thermal conductivity is less: λ g=0.041w/ (mk).In this heat-insulation and heat-preservation material, dose the granules of polystyrene of some rational gradation compositions, reached the double effects that improves heat preservation and insulation and utilize solid waste.

Technology:

Adopt the closed pore foaming technique: in order to eliminate the heat convection of gas in the hole, adopt miniature pore can reduce radiation heat transfer between the hole wall, thereby further improve the heat preservation and insulation of solid-state material.

Make the uniform miniature closed pore bubble that contains some in the heat-insulation and heat-preservation material: because still air is fabulous heat-insulation and heat-preservation material, coefficient of thermal conductivity λ g=0.026w/ (mk) in the time of static 0 ℃, coefficient of thermal conductivity than existing various heat-insulation and heat-preservation materials is all little, so still air is best heat-insulation and heat-preservation material.Make the uniform miniature closed pore bubble that contains some in the heat insulating material, in solid-state heat insulating material, dosed best insulation material-still air in fact exactly, can significantly improve the heat preservation and insulation of solid material.

2, the realization of the anti-cracking function of crack-resistant layer

Material:

Introduce expansion agent: for reaching early stage zero purpose of shrinking of anticracking grout, according to the materialogy principle, this system is utilized " ettringite bulge theory ", in raw material, introduce expansion agent, owing to after aquation, generate dilatancy crystal (ettringite and calcium hydroxide), increased the crystalline content in the mortar, fill or stopped up the pore seam, porosity descends greatly, produce volume expansion, produce compressive stress and compressive strain in the body, compensated all kinds of shrinkage strains, offset or partial offset corresponding tensile stress, thereby improved whole crack resistance.

In anticracking grout, add alkali proof fiber: add alkali proof fiber the stress of anticracking grout is uniformly dispersed, thereby avoid stress to concentrate the cracking that causes.

Technology:

Smear infitration type elastic water-proof curing fluid capable: on anticracking grout, smear the elastic water-proof curing fluid capable that curing fluid capable adopts infitration type, can avoid outside moisture to enter insulating on the one hand, influence heat insulation effect; On the other hand, can guarantee that the moisture in the anticracking grout is not easy to distribute, play the effect that guarantees curing condition; This curing fluid capable infiltration screed can form new crack-resistant layer simultaneously, effectively prevents the cracking of screed.

In whole construction course, selected for use material to have good heat preservation and insulation to guarantee walling system with waterproof and hydrophobicity performance, meanwhile, by determining good process system, " empty, drum, the split " problem that has solved not only that heat insulating wall material often occurs, and through freeze thawing circulation, shock-resistant, wear-resistant, Wind-Pressure Resistance, water absorption rate experiment confirm, use this technology to construct, body of wall satisfies the requirement of building energy conservation.Owing to reduced work progress, can improve efficiency of construction more than 40%, the economical with materials cost is more than 50% simultaneously.

Four, description of drawings:

Accompanying drawing is a structural representation of the present invention.

---basic unit 2---insulating 3---crack-resistant layer 4-finish coat among the figure: 1

Five, the specific embodiment

Embodiment 1: a kind of novel heat insulation and preservation structure, comprise basic unit, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: 1 part of granules of polystyrene B, 8 parts of composite dry powder material A, 6 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 62.37%, sial hollow glass spheroid material 30%, fiber 0.1%, air entraining agent 0.03%, modifier 5%, water reducing agent 0.6%, tackifier 1.9%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, the component of fiber-reinforced polymer modification anticracking grout and content (weight) are: 1 part of cracking resistance rubber powder, 2 parts of cement, 12 parts in sand, 2.3 parts in water; Wherein: the component of cracking resistance rubber powder and content (weight) are: inorganic mineral powder 21%, and alkali proof fiber 3%, volume stabilizer 25%, polymer modifiers 44%, finish coat is formed by putty with flexibility, water-fast function and color coating.Described alkali proof fiber can be a polypropylene fibre.A kind of construction technology of novel heat insulation and preservation structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear cracking resistance matrix → smear infitration type waterproof curing fluid capable → facing to handle on the cracking resistance matrix.

Embodiment 2: a kind of novel heat insulation and preservation structure, comprise basic unit, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: 1 part of granules of polystyrene B, 13 parts of composite dry powder material A, 15 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 75.15%, sial hollow glass spheroid material 20%, fiber 2%, air entraining agent 0.05%, modifier 1%, water reducing agent 1.1%, tackifier 0.7%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, the component of fiber-reinforced polymer modification anticracking grout and content (weight) are: 1 part of cracking resistance rubber powder, 2.5 parts of cement, 10 parts in sand, 2 parts in water; Wherein: the component of cracking resistance rubber powder and content (weight) are: inorganic mineral powder 30%, and alkali proof fiber 1%, volume stabilizer 39%, polymer modifiers 32%, finish coat is formed by putty with flexibility, water-fast function and color coating.Described alkali proof fiber is the mixture of glass fiber, nylon fiber, animal and plant fiber.A kind of construction technology of novel heat insulation and preservation structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear cracking resistance matrix → smear infitration type waterproof curing fluid capable → facing to handle on the cracking resistance matrix.

Embodiment 3: a kind of novel heat insulation and preservation structure, comprise basic unit, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: 1 part of granules of polystyrene B, 9 parts of composite dry powder material A, 6 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 71.695%, sial hollow glass spheroid material 20%, fiber 3%, air entraining agent 0.005%, modifier 3%, water reducing agent 0.9%, tackifier 1.4%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, the component of fiber-reinforced polymer modification anticracking grout and content (weight) are: 1 part of cracking resistance rubber powder, 2.3 parts of cement, 11 parts in sand, 2.5 parts in water; Wherein: the component of cracking resistance rubber powder and content (weight) are: inorganic mineral powder 25%, and alkali proof fiber 3%, volume stabilizer 32%, polymer modifiers 37%, finish coat is formed by putty with flexibility, water-fast function and color coating.Described alkali proof fiber is the mixture of polypropylene fibre, glass fiber.A kind of construction technology of novel heat insulation and preservation structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear cracking resistance matrix → smear infitration type waterproof curing fluid capable → facing to handle on the cracking resistance matrix.

Claims (3)

1, a kind of novel heat insulation and preservation structure, comprise basic unit, insulating, crack-resistant layer, finish coat, it is characterized in that: insulating is a kind of Multifunction thermal insulation plaster, its component and content weight are: 1 part of granules of polystyrene B, composite dry powder A 8-13 part, 6~15 parts in water; Wherein the component of composite dry powder material A and content weight are: cement 50~80%, sial hollow glass spheroid material 10~40%, fiber 0.1~5%, air entraining agent 0.005~0.05%, modifier 1~5%, water reducing agent 0.2~1.2%, tackifier 0.5~2%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, and it is made up of cracking resistance matrix and infitration type waterproof curing fluid capable, and wherein the component of cracking resistance matrix and content weight are: 1 part of cracking resistance rubber powder, 2~2.5 parts of cement, 10~12 parts in sand, 2~2.5 parts in water; Wherein: the component of cracking resistance rubber powder and content weight are: inorganic mineral powder 30~50%, and alkali proof fiber 0.1~4%, volume stabilizer 20~45%, polymer modifiers 30~45%, waterproof curing fluid capable are a kind of organic elastomer coating of oleic series; Finish coat is formed by putty with flexibility, water-fast function and color coating.
2, according to the said novel heat insulation and preservation structure of claim 1, it is characterized in that: described alkali proof fiber is one or more the mixture in polypropylene fibre, glass fiber, nylon fiber, the animal and plant fiber.
3, a kind of construction technology of novel heat insulation and preservation structure, it is characterized in that: construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear cracking resistance matrix → smear infitration type waterproof curing fluid capable → facing to handle on the cracking resistance matrix.
CN 200410013474 2004-07-16 2004-07-16 Novel thermal insulation and heat preservation structure and construction technique CN1274924C (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN1274924C true CN1274924C (en) 2006-09-13

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100351478C (en) * 2005-03-18 2007-11-28 马国栋 Method for preventing heat insulation material surface plastering from cracking
CN100347122C (en) * 2006-04-06 2007-11-07 同济大学 Warm sound-proof decorative materials and prepn. method
CN101302881B (en) * 2007-05-11 2011-08-31 日本Sk化研株式会社 External heat insulation decorative processing method and structural body
CN101659820B (en) * 2008-08-26 2013-05-08 展辰涂料集团股份有限公司 Casting paint used in foaming polyurethane die
CN103253912A (en) * 2013-05-07 2013-08-21 淄博职业学院 Anti-crack mortar
CN103741909B (en) * 2013-12-30 2016-01-20 王东彬 A kind of imitative stone material wallboard scribbling ultraviolet resistant and preparation method thereof
CN103741910B (en) * 2013-12-30 2016-03-02 王东彬 A kind of imitative coating wallboard scribbling ultraviolet resistant and preparation method thereof
CN106193494B (en) * 2015-04-30 2018-09-11 宁波高新区起兴机电有限公司 A kind of production method of soft decorative panel for building

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Owner name: WUHAN JIE AO HIGH TECHNOLOGY CO., LTD.

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Address after: Hubei city of Wuhan province Luo Shi Road Hongshan District No. 519 Ming Ze Liwan 1 building C block 21 layer

Patentee after: Wuhan Aojie Technologies Inc.

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