CN111424843A - Low-energy-consumption building wall heat-insulation structure and construction method thereof - Google Patents
Low-energy-consumption building wall heat-insulation structure and construction method thereof Download PDFInfo
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- CN111424843A CN111424843A CN202010435368.6A CN202010435368A CN111424843A CN 111424843 A CN111424843 A CN 111424843A CN 202010435368 A CN202010435368 A CN 202010435368A CN 111424843 A CN111424843 A CN 111424843A
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- 238000009413 insulation Methods 0.000 title claims abstract description 52
- 238000005265 energy consumption Methods 0.000 title claims abstract description 42
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000011810 insulating material Substances 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims description 32
- 230000002265 prevention Effects 0.000 claims description 28
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 19
- 239000011496 polyurethane foam Substances 0.000 claims description 19
- 239000012774 insulation material Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000004873 anchoring Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 238000005187 foaming Methods 0.000 abstract description 5
- 229920002635 polyurethane Polymers 0.000 abstract description 5
- 239000004814 polyurethane Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a low-energy-consumption building wall heat-insulating structure and a construction method thereof, wherein the low-energy-consumption building wall heat-insulating structure comprises a wall body layer, an A-level fireproof heat-insulating layer, a polyurethane foaming heat-insulating material layer and a plurality of connecting pieces, the wall body layer and the A-level fireproof heat-insulating layer are arranged at intervals, two ends of each connecting piece are respectively connected to the wall body layer and the A-level fireproof heat-insulating layer, and the polyurethane foaming heat-insulating material layer is poured between the wall body layer and the A-level fireproof heat-insulating layer and is connected with the wall body layer and the A-level fireproof heat-insulating layer. The construction links are few, the construction efficiency is greatly improved, and the comprehensive cost is low; meanwhile, the structure strength is high, the separation phenomenon is effectively avoided, and the firmness and the safety of the low-energy-consumption building wall heat insulation structure are greatly improved.
Description
Technical Field
The invention relates to a low-energy-consumption building wall heat-insulation structure and a construction method thereof.
Background
In recent years, the concept of passive energy-saving houses attracts much attention under the large background of energy conservation, emission reduction, energy consumption reduction and environmental protection, and a large number of passive houses are built domestically or are being designed and built. The temperature in the building can be controlled in the most comfortable state of human body feeling without depending on active energy sources such as heating, air conditioning and the like, and the most comfortable living environment of human beings is realized by matching with equipment for controlling carbon dioxide content, noise, wind speed and the like. The building enclosure system mainly comprises an outer wall, a roof and an outer window, and the enhancement of the heat insulation performance is the most important technical measure in the design and construction of the passive house building. The largest area in the enclosure system is the wall, the heat dissipated through the wall is huge, and the heat preservation of the wall has great significance for achieving the purpose of passive house energy conservation.
In the prior art, the heat preservation of the wall body of the passive house is constructed by links of leveling the wall body, sticking a heat preservation plate, installing an anchoring part, post-processing and the like. Wherein, in order to satisfy passive room wall body heat preservation requirement, the heated board thickness of pasting often needs more than 20cm at least. Due to the increase of the thickness of the material, in order to ensure the pasting firmness and the safety, the specification and the size of the single insulation board are greatly reduced compared with the thickness of the traditional insulation board. In this case, the construction links are numerous and the falling-off phenomenon is still rare due to the influence of human factors. Low construction efficiency, high comprehensive cost, potential safety hazard and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a low-energy-consumption building wall heat-insulation structure and a construction method thereof.
The invention is realized by the following technical scheme:
the utility model provides a low energy consumption building wall insulation structure, its includes wall layer, A level fire prevention heat preservation, polyurethane foam insulation material layer and a plurality of connecting piece, the wall layer with the interval sets up between the A level fire prevention heat preservation, the both ends of connecting piece connect respectively in the wall layer with A level fire prevention heat preservation, polyurethane foam insulation material layer pour into a mould in the wall layer with between the A level fire prevention heat preservation and with the wall layer with A level fire prevention heat preservation is connected.
Furthermore, the connecting piece passes through A level fire prevention heat preservation, polyurethane foam insulation material layer in proper order from the lateral surface of A level fire prevention heat preservation and is connected in the wall body layer.
Furthermore, the outer circumferential surface of the connecting piece is provided with a plurality of reinforcing parts which extend outwards and are convex.
Furthermore, the A-level fireproof heat-insulating layer is made of an organic-inorganic composite heat-insulating material.
Furthermore, the A-level fireproof heat-insulating layer is made of a heat-insulating material containing a siliceous substance, a calcareous substance and polystyrene particles.
Further, the A-level fireproof heat-insulating layer is made of silicon graphene heat-insulating materials.
Furthermore, the A-level fireproof heat-insulating layer comprises a heat-insulating body and at least one reinforcing layer, and the reinforcing layer is arranged in the heat-insulating body;
and/or the reinforcing layer is arranged on the outer side of the heat insulation body.
A construction method of a low-energy-consumption building wall heat-insulation structure comprises the following steps:
s1, mounting connecting components on the wall layer;
s2, installing and fixing a grade-A fireproof heat-insulating layer, connecting the grade-A fireproof heat-insulating layer with the connecting part and arranging the grade-A fireproof heat-insulating layer and the wall layer at intervals;
and S3, pouring a polyurethane foam heat-insulating material layer between the wall body layer and the A-level fireproof heat-insulating layer.
Further, step S2 includes installing a limiting member and abutting against the inner side surface of the class a fireproof insulating layer.
Further, the construction method of the low-energy-consumption building wall heat-insulation structure further comprises the following steps:
firstly, punching a hole from the outer side surface of the A-grade fireproof heat-insulating layer to the wall body layer;
then, the anchoring sleeve is driven into the wall body layer through the hole;
and then driving the bolt into the anchoring sleeve.
The invention has the beneficial effects that: the construction links are few, the construction efficiency is greatly improved, and the comprehensive cost is low; meanwhile, the structure strength is high, the separation phenomenon is effectively avoided, and the firmness and the safety of the low-energy-consumption building wall heat insulation structure are greatly improved.
Drawings
Fig. 1 is a schematic view of the internal structure of a low-energy-consumption building wall insulation structure according to an embodiment of the invention.
Fig. 2 is a schematic structural view of the low-energy-consumption building wall insulation structure in the construction process according to the embodiment of the invention.
Description of reference numerals:
wall body layer 1
A-level fireproof heat-insulating layer 2
Polyurethane foam thermal insulation material layer 3
Connecting piece 4
Position limiting part 5
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
As shown in fig. 1, this embodiment discloses a low energy consumption building wall insulation structure, this low energy consumption building wall insulation structure includes wall layer 1, a level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 and a plurality of connecting piece 4, interval setting between wall layer 1 and the a level fire prevention heat preservation 2, connecting piece 4's both ends are connected respectively in wall layer 1 and a level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 pours into between wall layer 1 and a level fire prevention heat preservation 2 and is connected with wall layer 1 and a level fire prevention heat preservation 2.
The direct installation setting of single A level fire prevention heat preservation 2 in the outside of wall body layer 1 can effectively strengthen A level fire prevention heat preservation 2, the structural connection intensity between polyurethane foam insulation material layer 3 and the wall body layer 1 through a plurality of connecting piece 4, and structural strength is high, effectively avoids taking place to break away from the phenomenon, has improved low energy consumption building wall insulation structure's firmness and security greatly, and the construction link is few, has improved the efficiency of construction greatly. The thickness of the A-level fireproof heat-insulating layer 2 does not need to be more than 20cm by adding the polyurethane foaming heat-insulating material layer 3, and the comprehensive cost is low. The low-energy-consumption building wall heat-insulation structure has few construction links, greatly improves the construction efficiency and has low comprehensive cost; meanwhile, the structure strength is high, the separation phenomenon is effectively avoided, and the firmness and the safety of the low-energy-consumption building wall heat insulation structure are greatly improved.
The connecting piece 4 sequentially penetrates through the A-level fireproof heat-insulating layer 2 and the polyurethane foam heat-insulating material layer 3 from the outer side surface of the A-level fireproof heat-insulating layer 2 and is connected to the wall body layer 1. The connecting piece 4 is driven into the outer side surface of the A-level fireproof heat-insulating layer 2 to penetrate through and be connected with the steel bar framework 21 of the wall body layer 1, so that the connecting strength is high, the use is convenient, and the cost is low.
The connecting piece 4 can comprise an anchoring sleeve and a bolt, the outer side surface of the A-level fireproof heat-insulating layer 2 is drilled and penetrates through the A-level fireproof heat-insulating layer 2, the anchoring sleeve is inserted into the hole, and the bolt is inserted into the anchoring sleeve. The anchoring sleeve is expanded, so that the connection strength of the connecting piece 4, the A-level fireproof heat-insulating layer 2, the polyurethane foam heat-insulating material layer 3 and the wall body layer 1 is effectively enhanced. Of course, the connecting member 4 may also be an anchor bolt, which may be prefabricated at the factory and set by field installation.
The outer peripheral surface of the connecting piece 4 is provided with a plurality of reinforcing parts which extend outwards and are convex. A plurality of rib outwards extends the arch and can closely lean on in A level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 and wall body layer 1 for connecting piece 4 tightly the buckle in A level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 and wall body layer 1's inside, effectively prevents that connecting piece 4 from producing the phenomenon of droing at the in-process that uses, has improved the safety and stability of low energy consumption building wall insulation structure greatly.
The A-level fireproof heat-insulating layer 2 is made of an organic-inorganic composite heat-insulating material. The heat-insulating performance of the organic-inorganic composite heat-insulating material can ensure that the strength reaches the related product standard requirement under the condition of the heat-insulating material with the same thickness, and the fireproof performance reaches A2 level, so that an additional composite inorganic plate is not needed to enhance the strength and the fireproof performance.
The A-level fireproof heat-insulating layer 2 is made of a heat-insulating material containing siliceous materials, calcareous materials and polystyrene particles. The heat-insulating performance and the fireproof performance of the A-level fireproof heat-insulating layer 2 are effectively ensured, and the safety and the stability of the low-energy-consumption building wall heat-insulating structure are greatly improved. Preferably, the material of the A-level fireproof heat-insulating layer 2 is a silicon graphene heat-insulating material.
The A-level fireproof heat-insulating layer 2 comprises a heat-insulating body and at least one reinforcing layer, the reinforcing layer can be arranged in the heat-insulating body, and the reinforcing layer can also be arranged on the outer side of the heat-insulating body. Can effectively strengthen 2 self structural strength of A level fire prevention heat preservation through the enhancement layer, improve low energy consumption building wall insulation structure's stability.
The embodiment also discloses a construction method of the low-energy-consumption building wall insulation structure, and the construction method of the low-energy-consumption building wall insulation structure is used for constructing and manufacturing the low-energy-consumption building wall insulation structure. As shown in fig. 1 and 2, the construction method of the low-energy-consumption building wall insulation structure comprises the following steps: s1, mounting connecting components on the wall layer; s2, installing and fixing the A-level fireproof heat-insulating layer 2, connecting the A-level fireproof heat-insulating layer with the connecting part and arranging the A-level fireproof heat-insulating layer and the wall body layer 1 at intervals; and S3, pouring a polyurethane foam heat-insulating material layer 3 between the wall layer 1 and the A-level fireproof heat-insulating layer 2.
A single A-level fireproof heat-insulating layer 2 is directly arranged outside the wall layer 1, so that a gap is formed between the A-level fireproof heat-insulating layer 2 and the wall layer 1, and a polyurethane foaming heat-insulating material layer 3 is poured in the gap. The construction method of the low-energy-consumption building wall insulation structure is used for constructing and manufacturing the low-energy-consumption building wall insulation structure, the construction links are few, the artificial factors are very small, the construction efficiency is greatly improved, and the comprehensive cost is low; structural strength is high, effectively avoids taking place the separation phenomenon, and the thickness of A level fire prevention heat preservation 2 need not more than 20cm, has improved low energy consumption building wall insulation structure's firmness and security greatly. Meanwhile, the fixing and positioning effects of the wall body layer 1 and the A-level fireproof heat-insulating layer 2 can be effectively enhanced through the connecting component, the phenomena of mold expansion and mold explosion in the process of pouring the polyurethane foaming heat-insulating material layer 3 are effectively avoided, and the safety and stability are greatly improved. Wherein the connecting part can be a split steel bar 6.
Step S2 includes installing the limiting member 5 against the inner side of the class a fireproof insulating layer 2. In this embodiment, stop component 5 can play the support to the medial surface of A level fire prevention heat preservation 2 and lean on the effect, can effectively fix A level fire prevention heat preservation 2 through stop component 5, has effectively avoided A level fire prevention heat preservation 2 to produce the skew dislocation phenomenon at the in-process that uses, has improved safety and stability greatly. Of course, the limiting component 5 can also be respectively abutted against the inner side surface of the grade-A fireproof heat-insulating layer 2 and the wall layer 1 through two ends.
The construction method of the low-energy-consumption building wall heat-insulation structure further comprises the following steps: firstly, punching a hole from the outer side surface of the A-grade fireproof heat-insulating layer 2 to the inside of the wall body layer 1; then the anchoring sleeve is driven into the wall body layer 1 through the hole; and then driving the bolt into the anchoring sleeve. Make anchor sleeve inflation and closely support and lean on in A level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 and wall body layer 1 to effectively strengthened connecting piece 4 and A level fire prevention heat preservation 2, polyurethane foam insulation material layer 3 and wall body layer 1's joint strength, improved low energy consumption building wall insulation structure's safety and stability greatly.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides a low energy consumption building wall insulation structure, its characterized in that, it includes wall body layer, A level fire prevention heat preservation, polyurethane foam insulation material layer and a plurality of connecting piece, the wall body layer with interval sets up between the A level fire prevention heat preservation, the both ends of connecting piece connect respectively in the wall body layer with A level fire prevention heat preservation, polyurethane foam insulation material layer pour into a mould in the wall body layer with between the A level fire prevention heat preservation and with the wall body layer with A level fire prevention heat preservation is connected.
2. The low energy consumption building wall insulation structure of claim 1, wherein the connecting piece passes through the A-level fireproof insulation layer and the polyurethane foam insulation material layer in sequence from the outer side surface of the A-level fireproof insulation layer and is connected to the wall body layer.
3. The low energy consumption building wall insulation structure of claim 2, wherein the connecting member has a plurality of outwardly extending raised reinforcing portions on its outer periphery.
4. The low-energy-consumption building wall thermal insulation structure of claim 1, wherein the material of the A-grade fireproof thermal insulation layer is an organic-inorganic composite thermal insulation material.
5. The low energy consumption building wall insulation structure of claim 4, wherein the material of the A-level fireproof insulation layer is an insulation material containing siliceous matter, calcareous matter and polystyrene particles.
6. The low energy consumption building wall insulation structure of claim 5, wherein the material of the A-level fireproof insulation layer is a silicon graphene insulation material.
7. The low energy consumption building wall insulation structure of claim 1, wherein the class a fire-resistant insulation layer comprises an insulation body and at least one reinforcing layer, the reinforcing layer being disposed within the insulation body;
and/or the reinforcing layer is arranged on the outer side of the heat insulation body.
8. A construction method of a low-energy-consumption building wall heat-insulation structure is characterized by comprising the following steps:
s1, mounting connecting components on the wall layer;
s2, installing and fixing a grade-A fireproof heat-insulating layer, connecting the grade-A fireproof heat-insulating layer with the connecting part and arranging the grade-A fireproof heat-insulating layer and the wall layer at intervals;
and S3, pouring a polyurethane foam heat-insulating material layer between the wall body layer and the A-level fireproof heat-insulating layer.
9. The method for constructing a low energy consumption building wall insulation structure of claim 8, further comprising installing a limiting member against the inner side of the class A fireproof insulation layer in step S2.
10. The method for constructing a low-energy-consumption building wall insulation structure as claimed in claim 8, wherein the method for constructing a low-energy-consumption building wall insulation structure further comprises the following steps:
firstly, punching a hole from the outer side surface of the A-grade fireproof heat-insulating layer to the wall body layer;
then, the anchoring sleeve is driven into the wall body layer through the hole;
and then driving the bolt into the anchoring sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010435368.6A CN111424843A (en) | 2020-05-21 | 2020-05-21 | Low-energy-consumption building wall heat-insulation structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010435368.6A CN111424843A (en) | 2020-05-21 | 2020-05-21 | Low-energy-consumption building wall heat-insulation structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827515A (en) * | 2020-07-28 | 2020-10-27 | 李元魁 | Inorganic fireproof heat-insulation composite wall and heat-insulation cabin type building structure |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827515A (en) * | 2020-07-28 | 2020-10-27 | 李元魁 | Inorganic fireproof heat-insulation composite wall and heat-insulation cabin type building structure |
| CN111827515B (en) * | 2020-07-28 | 2021-09-24 | 李元魁 | Inorganic fireproof heat-insulation composite wall and heat-insulation cabin type building structure |
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