CN103343578B - STP ultra-thin vacuum heat insulation heat preservation board and application of STP ultra-thin vacuum heat insulation heat preservation board in outer wall construction - Google Patents

STP ultra-thin vacuum heat insulation heat preservation board and application of STP ultra-thin vacuum heat insulation heat preservation board in outer wall construction Download PDF

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Publication number
CN103343578B
CN103343578B CN201310287861.8A CN201310287861A CN103343578B CN 103343578 B CN103343578 B CN 103343578B CN 201310287861 A CN201310287861 A CN 201310287861A CN 103343578 B CN103343578 B CN 103343578B
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China
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stp
ultra
thin vacuum
thermal insulation
vacuum thermal
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CN201310287861.8A
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Chinese (zh)
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CN103343578A (en
Inventor
吉临凤
储开平
孟庆允
陈会军
胡波涛
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南通华新建工集团有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/242Slab shaped vacuum insulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation, e.g. vacuum or aerogel insulation

Abstract

The invention provides an STP ultra-thin vacuum heat insulation heat preservation board and application of the STP ultra-thin vacuum heat insulation heat preservation board in outer wall construction, and relates to the technical field of building construction, in particular to the outer wall external heat preservation construction technology. According to the STP ultra-thin vacuum heat insulation heat preservation board, an STP material board core is wrapped by obstruction films in a vacuum mode, the heat conductivity between the internal obstruction film and the external obstruction film can be improved, the heat conductivity coefficient can be lower than 0.008w/(m.k), the STP ultra-thin vacuum heat insulation heat preservation board is low in cost, the formed STP ultra-thin vacuum heat insulation heat preservation board with the high heat insulation property is expected to serve as a widely-used heat insulation material, and the STP ultra-thin vacuum heat insulation heat preservation board is pasted to the wall face through adhesive mortar. The STP ultra-thin vacuum heat insulation heat preservation board and the application of the STP ultra-thin vacuum heat insulation heat preservation board in outer wall construction are suitable for heat insulation engineering of newly or extensively built civil or public building outer walls and roofs, and particularly suitable for energy conservation modification engineering of the existing buildings.

Description

The ultra-thin vacuum thermal insulation plate of STP and the application in external wall construction thereof
Technical field
The present invention relates to technical field of building construction, particularly the construction technology of external wall outer insulation.
Background technology
The world today; demand to energy conservation and protection of the environment improves constantly, and building new material demand is strengthened day by day, wherein with the fastest developing speed with what be incubated again. and exterior wall insulated structure system is of a great variety; form is different, and the control of its performance and construction technology also more and more cause people's attention.
The research of STP material, since 1972, mainly concentrates on Japan, Europe country.Generally apply at refrigeration industries such as refrigerators at present, the refrigerator in Japan more than 90% has adopted this kind of material insulation.At present, Europe country applies architectural beginning, shows from the tracking testing result of Munich, Germany sample project, and finish the engineering of insulation with STP, its annual energy consumption is only 1/10 of the average energy consumption in city, Munich.
Summary of the invention
The present invention seeks to propose a kind of novel heat insulation plate taking STP material as thermal insulation medium.
The present invention includes STP plate of material core, outside described STP plate of material core, vacuum type is enclosed with Obstruct membrane.
Heat-insulation and heat-preservation principle of the present invention: adopt poor conductor of heat core to destroy the conduction of heat, the heat conduction between object is dropped to minimum.Take superpower vacuum to damage thermal convection current, the flowing heat transfer of air-flow is dropped to minimum.Utilize foil laminated film to reflect heat radiation.
The present invention wraps up STP plate of material core by the mode of Obstruct membrane and vacuum, can improve the heat conductivity between inside and outside Obstruct membrane, make coefficient of thermal conductivity lower than 0.008w/ (m.k), its cost is low, the ultra-thin vacuum thermal insulation plate of the STP with high thermal insulation forming is expected to, as heat insulating material widely, be beneficial to further applying of STP material.
The present invention, taking STP plate of material core as support frame, has thermal resistance and heat insulation effect.After vacuum type parcel refers to and exhausts vacuum, internal vacuum is high, does not also have air in the future and overflows, and can greatly increase application life.
The more satisfactory even cloth eyelet of STP plate of material wicking surface, such core vacuumizes time ratio and is easier to.
The quality of Obstruct membrane is the most obvious on the impact of production board, and aluminium foil itself is to have certain ventilative and water permeability, if the aluminium foil of selecting is ventilative and water permeability is higher, the application life of production board can be very not high.The composite material that the preferred aluminium foil of the present invention and other materials are composited.
In addition, the present invention is also provided with getter in Obstruct membrane.The Main Function of getter is can accomplish to coexist with the life-span of building the application life that ensures STP plate of material core.Prove as long as STP plate of material core inner pressure, under 100Pa, just can ensure its heat conduction≤0.01W/ (mK) by available data document and German industry standard.For preventing STP plate of material core in use, there is the air of fraction can leak into the inside of STP plate of material core, by placing getter, the GAS ABSORPTION of this part can be fallen, further ensure application life of the present invention.
The present invention also proposes application---the application in external wall construction of the ultra-thin vacuum thermal insulation plate of STP in building trade.
Comprise the following steps:
1) substrate surface cleaning;
2) on the metope of the ultra-thin vacuum thermal insulation plate of STP to be pasted, eject the hookup wire of warming plate according to reference line;
3) adopt adhesive mortar that ultra-thin STP vacuum thermal insulation plate is pasted on metope, and clear up in time the adhesive mortar that warming plate agent around goes out, more every block of ultra-thin vacuum thermal insulation plate of STP is anchored in to metope with ail gun;
4) treat that the ultra-thin vacuum thermal insulation plate of STP pastes after 12 hours, scrape and smear finishing mucilage and lay alkali-resistant glass fiber mesh on the ultra-thin vacuum thermal insulation plate of STP surface;
5) scrape and smear anticracking grout at the external surface of finishing mucilage;
6) after anticracking grout is dry, carry out decoration of exterior wall construction.
That the present invention is applicable to is newly-built, extend heat insulating work civilian and utilities building exterior wall and roofing, is particularly useful for the reducing energy consumption engineering of existing building.Its advantage is as follows:
1, heat insulation effect excellence, heat insulation effect is equivalent to 5 times of conventional polyphenyl plate, 4 times of extruded sheet, 2.8 times of polyurethane, as the product of the present invention that is 1.5mm at current architectural employing thickness just can reach 65% energy-saving effect.
1. with traditional insulation thickness contrast table table 1
2. with tradition insulation coefficient of thermal conductivity contrast table table 2
2, unit mass is light, the about 12Kg of the weight of every square metre after upper wall, be only on ceramic tile after wall 1/4. of weight construction after difficult drop-off, safe.
3, insulation, decorative engineering are organically combined, simpler than traditional heat-insulation system working procedure.
4, easy construction, can direct stickup as ceramic tile, greatly the reduction of erection time, saved cost.
5, heat insulating material is inorganic heat insulation material, does not fire, and fire-protection rating reaches the requirement of A level.
6, ultra-thin vacuum insulation external wall insulation, nontoxic, environmental protection, long service life.
In addition, on metope, with order from the bottom to top, the ultra-thin vacuum thermal insulation plate of STP is pasted.
The mutual flanging of the ultra-thin vacuum thermal insulation plate of adjacent STP is pasted.
In order to improve the link fastness of every ultra-thin vacuum thermal insulation plate of STP and metope, in the time of the ultra-thin vacuum thermal insulation plate of anchoring STP, density>=8 of anchor point/m 2.
Scrape and smear after the first finishing mucilage that thickness is 2~3mm on the ultra-thin vacuum thermal insulation plate of STP surface, immediately alkali-resistant glass fiber mesh is pressed in finishing mucilage; Smear again second finishing mucilage to can touch time until first finishing mucilage is slightly stiff, to cover alkali-resistant glass fiber mesh completely.
Mutual lap width >=the 100mm of adjacent alkali-resistant glass fiber mesh.
Detailed description of the invention
One, the internal structure of the ultra-thin vacuum thermal insulation plate of STP:
The ultra-thin thermal insulation slab of STP is made up by vacuumizing encapsulation technology of STP plate of material core and high-gas resistance laminated film, is also provided with getter in high-gas resistance laminated film.The Main Function one of plate core is as support frame, the 2nd, and plate core itself has certain thermal resistance, also can play certain heat insulation effect.The quality of plate core has determined the application life of STP plate to a certain extent, and more satisfactory vacuum insulation panel plate core is wanted porous surface, is evenly distributed, such plate core vacuumizes time ratio and is easier to, after exhausting vacuum, internal vacuum is high, does not also have air in the future and overflows, and can greatly increase application life.
High-gas resistance laminated film has aluminium foil and other materials to be composited, and has good air tight property and water proofing property.Two, taking certain International Garden project as example, summary STP ultrathin heat insulation board construction technology process:
1, substrate surface requires: should clean, without greasy dirt, release agent etc. hinder the attachment of bonding, projection, hollowing and porous spot should be rejected and levelling, and leveling layer should be bonding firmly with body of wall, must not have delamination, hollowing, crack, surface layer must not have the phenomenons such as efflorescence, peeling, quick-fried ash.
2, arranging of the ultra-thin vacuum thermal insulation plate of STP
Before construction, first determine horizontal and vertical reference line, then on metope to be pasted, carry out snap the line according to reference line, eject the hookup wire of warming plate.
3, the preparation of adhesive mortar and use
Matching well taking mass ratio as 1 ︰ 4~5 mixes water and mortar.Each preparation must not be too much, is controlled in 3h or by being finished in official hour in product description depending on varying environment temperature condition.
4, the stickup of the ultra-thin vacuum thermal insulation plate of STP
When external coating, adopt the sticky method of some frame or bar, gluing sticking veneer >=50%; When decorating surface brick layer, adopt completely sticky method.According to hookup wire, warming plate is pasted to evenly extruding on metope, available rubber hammer knocks fixing gently, should clear up in time the adhesive mortar that warming plate agent around goes out.
Concrete operations are as follows:
(1) stickup order should from bottom to top be constructed along horizon, and the ultra-thin vacuum thermal insulation plate of STP first pasting on negative and positive angle, large metope carries out fissure of displacement construction.
(2) bonding mode is for full sticky or bar sticky, and bond area is not less than 80%.
(3) the ultra-thin vacuum thermal insulation plate of STP should evenly push in the time of bonding, and available rubber hammer knocks fixing gently, strict control panel surface evenness, verticality, and the guiding ruler that is not less than 2m by length flattens inspection, should clear up in time the bonding adhesive that panel area is extruded.
(4) when the ultra-thin vacuum thermal insulation plate of STP is pasted, between plate and plate, flanging is pasted mutually.
5, the anchoring of the ultra-thin vacuum thermal insulation plate of STP
(1) after the ultra-thin vacuum thermal insulation plate of STP is pasted in time in the ail gun anchoring of anchoring position, ensure that each square metre is no less than 8 anchor points.
(2) nailing length≤1.5cm knocks gently and ensures nailing exsertion part height≤3mm with hand hammer in time after nailing is injected body of wall.
6, scrape and smear finishing mucilage and lay alkali-resistant glass fiber mesh
After warming plate plate seam is disposed; leave standstill and scrape and smear finishing mucilage on the ultra-thin vacuum thermal insulation plate of STP surface after 12 hours; at negative and positive angle, window end opening and side port part protected with PVC corner protector, ensures that negative and positive angle and window position are straight, attractive in appearance, uses PVC olecranon on window.
Evenly smear at the exterior surface of wall that posts warming plate the finishing mucilage that first thickness is 2~3mm, immediately by 160g/m 2alkali-resistant glass fiber mesh is pressed in finishing mucilage, to cover alkali-resistant glass fiber mesh, micro-ly to see that profile is advisable, smooth corrugationless.Smear second finishing mucilage to can touch time until first finishing mucilage is slightly stiff, thickness is 1~2mm, is advisable to cover alkali-resistant glass fiber mesh completely again.
7, scrape and smear anticracking grout
Scrape and smear anticracking grout at the external surface of finishing mucilage, after construction, carry out decoration of exterior wall construction.
8, finish coat construction
(1) coating ornamental surface: can carry out the construction of flexible putty after finishing mucilage layer surface drying, criticize and scrape with scraper plate, after first pass flexible putty surface drying, then scrape putty second time, compacting polishing survives.Criticize not bottom drain of Puttying, do not leak and scrape, do not stay seam, completely covering surfaces.After flexible putty is completely solid, can carry out the construction of finish coat coating.
(2) decorating surface brick: should first make model before construction, through on-the-spot pull-out test, can construct after institute's inspection project is qualified.With the two painting methods of the special sticking mortar employing of face brick (metope blade coating and the face brick back of the body are coated with) stickup, face brick jointing should adopt special pointing stuff to carry out after adhesive mortar immobilization 3d, can proper extension when weather is low, first hook horizontal joint and hook again vertical seam, infall is answered transition nature in length and breadth, brickwork joint is again in same level, should be continuous, straight, seam should be controlled at 2 ~ 3mm deeply, stitch the wide 5mm that should not be less than, must not adopt sealing.
Three, technical indicator that engineering reaches
The ultra-thin thermal insulation slab external wall insulation project of STP should carry out construction quality examination according to existing national standard " unified standard for constructional quality " GB50300 and " Code for Acceptance of Construction Quality of Building Energy-saving Engineering " GB50411 pertinent regulations.
1, outer heat preservation system chief component retest of materials project
Material Reinspection project
STP warming plate Thermal resistance, mass area ratio, the compound gas barrier film of high strength
Special fixing part Tension bearing capacity
STP isolation belt plate Thermal resistance, dry density
Bonding adhesive, plastering mortar Under dry state and immersion 48h stretching adhesive strength
Alkali-resistant glass fiber mesh Alkaline-resisting tension failure brute force, alkaline-resisting tension failure strength retention
2, project benefit, performance evaluation see the following form:
analysis item sTP ultrathin heat insulation board polyurethane (PU) extruded sheet (XPS) polyphenyl plate (EPS) composite heat insulation block (GRS) adhesive polystyrene granule heat-insulating mortar
unit price (unit/m 2) 80 40-50 80-90 80-90 146.8 80-120
insulation thickness 7-15 25-30 25-40 25-40 ? 25-40
heat insulation effect excellent generally excellent excellent good good
coefficient of thermal conductivity 0.08 0.024 0.03 0.041 0.04 0.08
service life 50 30 25 25 50 25
fire-protection rating a1 b1 b2 b2 b1 b1
environment protecting excellent generally good good good generally
construction period short short longer longer longer long
durability heat insulating material is inorganic heat insulation material, prevents fires, does not fire.And unit mass is light, easy construction, safe, difficult drop-off, environmental protection, with the same life-span of building, theoretical 60 years life-spans.Just can reach 65% energy-conservation requirement with 1-2 cm thick.In building, use ultra-thin vacuum heat-insulating plate heat insulating material, compared with using traditional heat insulating material, can increase 1%-3% percentage of usable dwelling area, reduce shared area, increase usable floor area heat-insulation system durability is 25-30, low application life compared with building, but it is easy to construction, short construction period spraying, easy to operate, one-shot forming,, simplify integral construction operation, shorten construction period heat-insulation system durability is 15-20, low application life compared with building, and heat-insulation system construction is complicated in addition, and difficulty of construction is large, and cost is high heat-insulation system durability is 15-20, low application life compared with building, and heat-insulation system construction is complicated in addition, and difficulty of construction is large, and cost is high wall attached power wall, in the direct being inserted in wall material of heat insulating material, insulation good endurance, not at the additional heat insulating material of needs, but material heaviness is not easy to operate, and construction period is longer low application life compared with building, not easy to crack, hollowing or come off.The tensile bond strength of anti-cracking protective layer and insulation layer is not less than 01MPa, destroys interface and should be positioned at insulation layer.Long construction period.
comprehensive cost 120 60-80 140-200 140-200 320 180-220

Claims (4)

  1. The application of the ultra-thin vacuum thermal insulation plate of 1.STP in external wall construction, it is characterized in that the ultra-thin vacuum thermal insulation plate of described STP comprises STP plate of material core, the even cloth eyelet of described STP plate of material wicking surface, outside described STP plate of material core, vacuum type is enclosed with Obstruct membrane, in described Obstruct membrane, getter is set; The application of the ultra-thin vacuum thermal insulation plate of STP in external wall construction comprises the following steps:
    1) substrate surface cleaning;
    2) on the metope of the ultra-thin vacuum thermal insulation plate of STP to be pasted, eject the hookup wire of warming plate according to reference line;
    3) on metope, with order from the bottom to top, the ultra-thin vacuum thermal insulation plate of STP is pasted, adopt adhesive mortar that ultra-thin STP vacuum thermal insulation plate is pasted on metope, the mutual flanging of the ultra-thin vacuum thermal insulation plate of adjacent STP is pasted, and clear up in time the adhesive mortar that warming plate agent around goes out, more every block of ultra-thin vacuum thermal insulation plate of STP is anchored in to metope with ail gun;
    4) treat that the ultra-thin vacuum thermal insulation plate of STP pastes after 12 hours, scrape and smear after the first finishing mucilage that thickness is 2~3mm on the ultra-thin vacuum thermal insulation plate of STP surface, immediately alkali-resistant glass fiber mesh is pressed in finishing mucilage; Smear again second finishing mucilage to can touch time until first finishing mucilage is slightly stiff, to cover alkali-resistant glass fiber mesh completely;
    5) scrape and smear anticracking grout at the external surface of finishing mucilage;
    6) after anticracking grout is dry, carry out decoration of exterior wall construction.
  2. 2. the application of the ultra-thin vacuum thermal insulation plate of STP in external wall construction according to claim 1, is characterized in that described Obstruct membrane is the composite material that aluminium foil and other materials are composited.
  3. 3. the application of the ultra-thin vacuum thermal insulation plate of STP in external wall construction according to claim 1, is characterized in that in the time of the ultra-thin vacuum thermal insulation plate of anchoring STP, density>=8 of anchor point/m 2.
  4. 4. according to the application of the ultra-thin vacuum thermal insulation plate of described STP in external wall construction one of in claims 1 to 3, it is characterized in that the mutual lap width >=100mm of adjacent alkali-resistant glass fiber mesh.
CN201310287861.8A 2013-07-10 2013-07-10 STP ultra-thin vacuum heat insulation heat preservation board and application of STP ultra-thin vacuum heat insulation heat preservation board in outer wall construction CN103343578B (en)

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Publication number Priority date Publication date Assignee Title
CN103485429B (en) * 2013-10-11 2015-12-02 广东电白建设集团有限公司 The ultra-thin vacuum heat-insulating plate of HD-STP external wall and construction technology thereof
CN104196135B (en) * 2014-09-15 2016-08-24 中天联合节能建设发展(天津)股份有限公司 A kind of exterior-wall heat insulation construction energy saving technique
CN104652629A (en) * 2014-12-26 2015-05-27 高俊丽 STP (Standard Temperature and Pressure) ultrathin vacuum insulation panel for building internal wall
CN106436666A (en) * 2016-08-11 2017-02-22 中铁十二局集团第二工程有限公司 Construction method of heat preservation board for box girder of continuous steel structure aqueduct
CN109853760A (en) * 2019-01-18 2019-06-07 中如建工集团有限公司 The ultra-thin heat-insulation vacuum board exterior wall outer thermal insulation thin limed construction method of STP

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CN202718324U (en) * 2012-07-23 2013-02-06 宁波泰升建设工程有限公司 Outer wall decoration structure
CN202809865U (en) * 2012-09-05 2013-03-20 管建华 STP (self-thermoregulating and phase-transforming) ultrathin vacuum fireproof insulation board
CN202809874U (en) * 2012-09-29 2013-03-20 陈武军 Anti-scratch and anti-pierce standard temperature and pressure (STP) insulation board

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