CN213268465U - Spray-built gypsum three-layer heat-insulation composite double-layer outer wall body - Google Patents
Spray-built gypsum three-layer heat-insulation composite double-layer outer wall body Download PDFInfo
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- CN213268465U CN213268465U CN202020183874.6U CN202020183874U CN213268465U CN 213268465 U CN213268465 U CN 213268465U CN 202020183874 U CN202020183874 U CN 202020183874U CN 213268465 U CN213268465 U CN 213268465U
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Abstract
The utility model relates to a spout building formula gypsum three-layer heat preservation composite double-layer outer wall body, by wall body upper end roof beam, wall body lower end roof beam, double-deck light gauge steel skeleton, the wire net, the crab-bolt, wall body outside layer, wall body inside layer, the net cloth layer, the cement mortar layer, the heat preservation sheet layer, wall body center filling layer, gypsum mortar layer constitute, double-deck light gauge steel skeleton sets up between cement mortar layer and gypsum mortar layer, the wire net is fixed on double-deck light gauge steel skeleton by the crab-bolt, the both ends of wire net extend to wall body upper end roof beam, wall body lower end roof beam from top to bottom and fix it through the bolt; the wall center filling layer is arranged between the double-layer light steel keel framework and the wall upper end beam and between the double-layer light steel keel framework and the wall lower end beam, so that the energy-saving efficiency of the outer wall can be improved, the high requirements of severe cold areas and cold areas on heat preservation and energy saving are met, and meanwhile, a heat bridge is avoided; by the technology, a large amount of gypsum which is a byproduct of the process can be consumed, waste is changed into valuable, and the green water green mountain is protected.
Description
Technical Field
The utility model belongs to the technical field of the building engineering construction technique and specifically relates to a spout compound double-deck outer wall body of building formula gypsum three-layer insulation and implement worker's method of this kind of structure.
Background
The annual production amount of industrial byproduct gypsum in China is about 1.84 hundred million tons, and the accumulated stockpiling amount exceeds 5 hundred million tons. But the comprehensive utilization rate of the newly increased production amount is only 48.1% every year, and the unused part can be only stocked in the open air. A large amount of gypsum waste residues are piled up, namely, a large amount of land is occupied; secondly, the investment of a storage yard is large, the operation cost is high, and the volume of the storage yard and the anti-seepage treatment requirement of the foundation are strict; thirdly, precious sulfur resources are wasted; and the contained acidity and other harmful substances are easy to cause pollution to the surrounding environment, and are not qualified with the environmental protection policy advocated by the state. The industrial by-product gypsum is an important regenerated gypsum resource, and the main component of the industrial by-product gypsum is calcium sulfate (CaSO)4·2H2O), is an excellent cementing material, has the technical characteristics of early setting, quick hardening, fire prevention and energy conservation, is harmless to human bodies, and is suitable for being used as interior decoration materials, including wall materials. But at present, the cement retarder, the paper-surface plasterboard and the like are mainly used, the utilization amount is saturated, and the rising space is limited. Therefore, the development of gypsum as an industrial by-product for use in other fields of building materials is urgently needed.
At present, the state has vigorously advocated prefabricated building house technology, including prefabricated concrete structure, prefabricated steel structure, prefabricated timber structure to require that the partition wall adopts non-masonry technology in the building. The known inner partition wall building technology capable of calculating the assembly rate comprises a batten, a prefabricated large plate and a light steel keel composite wall, wherein the gypsum batten can absorb a large amount of byproduct gypsum, but the gypsum batten has poor sound insulation and thin thickness and becomes a restrictive factor of vigorous development. The spraying-building gypsum composite wall is mainly used for non-bearing internal partition walls, and the main reason is that the gypsum product has poor water resistance. As an assembly technology, if the spray-built gypsum composite wall is only made on the inner partition wall, and the parts of the outer wall and the kitchen and bathroom needing water prevention adopt other construction modes, the construction management is inconvenient. In addition, building energy conservation is a mandatory standard in the field of buildings in China, and the existing energy-saving mode of wall bodies in China is mainly to install a heat-preservation energy-saving system on the outer side or the inner side of an outer wall. The high-efficiency heat insulation material has low strength, is inconvenient to use on the inner side of the outer wall, is easy to crack and fall off on the outer side of the outer wall, has insufficient fireproof grade, is easy to catch fire and threatens lives of residents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a spout compound double-deck outer wall structure of building formula gypsum three-layer insulation and preparation method are provided, its purpose utilizes to spout building formula wall characteristic, with the heat preservation system integration in the wall structure, solve outer wall energy-conservation, fire prevention, safety and application problem simultaneously, the process route of more assembled building provides the technical standard and the implementation scheme that can borrow the reference.
Therefore, the utility model solves the technical scheme of problem is: a spray-built gypsum three-layer heat-preservation composite double-layer outer wall body is composed of an upper end beam of the wall body, a lower end beam of the wall body, a double-layer light steel keel framework, a steel wire mesh, anchor bolts, an outer side layer of the wall body, an inner side layer of the wall body, a grid cloth layer, a cement mortar layer, a heat-preservation plate layer, a center filling layer of the wall body and a gypsum mortar layer, wherein the double-layer light steel keel framework is arranged between the cement mortar layer and the gypsum mortar layer, the steel wire mesh is fixed on the double-layer light steel keel framework through the anchor bolts, and two ends of the steel wire mesh extend up and down to the upper end beam of the wall body and the lower end beam of the wall body; the wall center filling layer is arranged between the double-layer light steel keel framework and the wall upper end beam and between the double-layer light steel keel framework and the wall lower end beam.
Further, the wall center filling layer is a wall cavity.
Further, the wall center filling layer is a heat preservation slab layer.
Furthermore, the filling layer in the center of the wall body is a heat-insulating mortar layer.
Further, double-deck light gauge steel skeleton, its one side pass through the crab-bolt with the heated board is connected, the opposite side of double-deck light gauge steel skeleton pass through the crab-bolt with wall body inside layer is connected.
Further, the gypsum mortar layer is arranged between the wall center filling layer and the wall inner side layer.
Further, the heat preservation plate layer is arranged between the gridding cloth layer and the cement mortar layer.
Further, the heat preservation plate layer is arranged between the gypsum mortar layer and the cement mortar layer and fixedly connected with the steel wire mesh.
Furthermore, the outer layer of the wall body is an anti-cracking mortar layer.
Preferably, the anchor is an expansion screw.
Compared with the prior art, the utility model discloses the positive effect who has is: the spray-built gypsum three-layer heat-insulation composite double-layer outer wall body and the preparation method thereof can well improve the energy-saving efficiency of the outer wall, meet the high requirements of severe cold regions and cold regions on heat insulation and energy saving, and simultaneously avoid the generation of heat bridges; if the fireproof requirement of the building is met, the outer side heat preservation adopts inorganic fireproof materials, and the middle heat preservation adopts organic materials; the two materials are organically combined, so that the unification of high efficiency, energy conservation and fire prevention is achieved; the simplest construction method of the fabricated building can be completed by the technology, namely, the main structure is taken by a concrete structure and a steel structure, and the work of the enclosure part including an inner partition wall, an outer wall heat insulation and the like is completed by spraying and building type gypsum composite materials; by the technology, a large amount of gypsum which is a byproduct of the process can be consumed, waste is changed into valuable, and the green water green mountain is protected.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention of a wall structure with both a filling layer in the center of the wall and a mortar layer;
FIG. 2 is a schematic diagram of another embodiment of the present invention of a wall construction having both insulation boards and cement mortar layers;
fig. 3 is a schematic view of another embodiment of the present invention, which is a wall structure with both thermal mortar layer and cement mortar layer.
In the figure: 1-double-layer light steel keel framework, 2-steel wire mesh, 3-anchor bolt (expansion screw), 4-crack-resistant mortar layer (wall outer layer), 5-grid cloth layer, 6-heat preservation plate layer, 7-wall center filling layer, 8-wall upper end beam, 9-wall lower end beam, 9-gypsum mortar layer, 11-wall inner layer, 12-heat preservation mortar layer, 13-wall upright post, 14-light steel keel guide beam, 15-wall center upright post and 16-cement mortar layer.
The specific implementation mode is as follows:
the following embodiments respectively describe the utility model relates to a spray-built gypsum three-layer heat-preservation composite double-layer outer wall body and a construction method. Referring to the attached drawing 1, the wall body in this example is composed of an upper end beam 8 of the wall body, a lower end beam 9 of the wall body, a double-layer light steel keel frame 1, a steel wire mesh 2, an anchor bolt 3, an outer side layer 4 of the wall body, an inner side layer 11 of the wall body, a grid cloth layer 5, a cement mortar layer 16, a heat preservation board layer 6, a central filling layer 7 of the wall body and a gypsum mortar layer 10, wherein the double-layer light steel keel frame 1 is arranged between the cement mortar layer 16 and the gypsum mortar layer 10, the steel wire mesh 2 is fixed on the double-layer light steel keel frame 1 through the anchor bolt 3, and two ends of the steel wire mesh 2 respectively extend to the upper end beam 8 of the wall body and the lower end beam 9 of the wall body from top to bottom and; and the wall center filling layer 7 is arranged between the double-layer light steel keel framework and the wall upper end beam and between the double-layer light steel keel framework and the wall lower end beam. In practice, the filling layer 7 in the center of the wall body is a cavity of the wall body, and the cavity is filled with air to form an air interlayer of the wall body, so that heat preservation and sound insulation are realized; if the wall insulation effect of the construction area is considered, the insulation slab layer 6 can be filled into the wall center filling layer 7 in an assembling mode as shown in fig. 2, or the insulation mortar layer 12 can be filled into the wall center filling layer 7 in a spraying mode as shown in fig. 3. From the inner structure of wall body, be connected one side of double-deck light gauge steel skeleton 1 with heated board 6 through crab-bolt or inflation screw 3, the opposite side of double-deck light gauge steel skeleton 1 is connected with wall body inside layer 11 through crab-bolt or inflation screw 3. The gypsum mortar layer 10 is arranged between the wall center filling layer 7 and the wall inner layer 11, and the heat preservation plate layer 6 is arranged between the mesh cloth layer 5 and the cement mortar layer 4. For walls with multiple layers of insulation, it is practical to place the insulation wythe 6 between the gypsum mortar layer 10 and the cement mortar layer 16 and cover them with a steel mesh, and then fix them together with screws. In practice, the outer layer of the wall body is the anti-crack mortar layer.
Referring to fig. 1, a process for implementing the present embodiment includes the following steps:
s1, selecting a light steel keel with a certain width as a double-layer light steel keel framework 1 of the three-layer heat-preservation composite double-layer wall, fixedly connecting an upper end beam 8, a lower end beam 9 and a central upright post 15 of the wall on an upper guide beam 14 and a lower guide beam 14 of the framework and upright posts 13 on two sides of the wall by using anchor bolts or expansion screws 3, and fixedly connecting a middle upright post of the wall with the upper guide beam and the lower guide beam of the framework by using screws.
S2, installing a steel wire mesh on the outer side of the framework, and fixedly connecting the framework and the steel wire mesh by screws according to the arrangement point;
s3, coating cement mortar or other cement-based mortar along the inner side of the outer-layer steel wire mesh to the outer side of the steel wire mesh;
s5, smearing or spraying thermal insulation mortar or pasting a high-efficiency thermal insulation board on the inner side of the outer layer wall framework from inside to outside, and leveling the thermal insulation mortar or the high-efficiency thermal insulation board with the light steel keel framework;
s6, filling a foaming rod and injecting a polyurethane foaming agent into joints of the outer layer light steel keel, the wall body beam and the column, and filling gaps;
s7, filling the outer side of the joint of the outer layer light steel keel and the wall body beam with weather-resistant glue;
s8, beating ash cakes and punching ribs along the outer side of the outer steel wire mesh to control the flatness and the verticality of the wall surface;
s9, paving a steel wire mesh with the width of 300mm at the joint of the light steel keel on the outer side of the outer steel wire mesh and the wall body beam to prevent the joint from cracking;
s10, smearing cement-based mortar along the outer side of the outer wall and leveling to reach an acceptance standard;
s11, pasting high-efficiency heat-insulation materials such as heat-insulation boards, cotton and blankets on the scraped plane of the outer layer light steel keel framework, wherein the thickness of the heat-insulation boards is not more than the thickness of a cavity reserved between the two layers of light steel keels no matter what materials are used;
s12, selecting a light steel keel with a certain width as an inner wall framework of the composite wall, fixing upper and lower guide beams and upright posts on the ground by screws to form the wall framework in advance, and fixing a steel wire mesh on the outer side of the framework by screws to form a mesh cage;
s13, mounting the cage frame with the net on the inner side frame of the composite wall body, and fixedly connecting the upper and lower guide beams and the upright columns on the two sides of the cage frame with the upper and lower end beams and the upright columns of the wall body by using expansion screws;
s14, filling foaming rods at joints of the cage frame with the net and the wall body beam and the column, injecting polyurethane foaming agents into the foaming rods, and filling gaps with the polyurethane foaming agents;
s15, filling the outer side of the joint of the cage frame with the net and the wall beam with weather-resistant glue;
s16, installing a water and electricity pipe groove on the net cage frame;
s17, spraying gypsum-based mortar to the net cage frame and scraping along the light steel keel of the net cage frame to form an inner wall; until reaching the acceptance criteria.
S18, paving a steel wire mesh or glass fiber mesh cloth with the width of 250mm at the joint of the inner wall and the beam to prevent the joint from cracking;
s19, plastering cakes and punching ribs on the inner-layer wall to control the flatness and the verticality of the wall surface;
s20, spraying gypsum-based mortar on the inner wall and leveling until the gypsum-based mortar reaches the acceptance standard.
To sum up, if as the construction standard, implement the utility model discloses a following problem should be emphasized to the process of constructing the wall body:
at the outer wall position, install double-deck light gauge steel skeleton, inside the skeleton, between the two-layer skeleton and the outside, fill different materials respectively, form a double-deck keel skeleton, three-layer insulation material's composite wall, wherein: steel wire meshes are arranged on two sides of the outer layer keel frame, heat insulation mortar or high-efficiency heat insulation materials such as boards, cotton, blankets and foaming materials are adopted in the keel frame, cement mortar or polymer mortar is smeared on the steel wire meshes of the outer layer of the wall body, and a plane is found; then pasting an efficient heat insulation board on the base layer of the outer cement mortar leveling surface or smearing heat insulation mortar and the crack resistance thereof
A mortar and alkali-resistant mesh protective layer; installing steel wire meshes on one side or two sides of the inner layer keel framework, adopting gypsum-based mortar materials such as plastering gypsum mortar, wall spraying mortar, gypsum heat-insulating mortar and the like or cement-based mortar materials, and smearing or spraying the materials on the light steel keel and the steel wire meshes to form an inner wall body completely wrapped by the steel wire meshes; the space enclosed between the inner and outer light steel keels can be an air layer, and can also be filled with thermal insulation mortar or thermal insulation boards, cotton, blankets and foaming materials according to different climatic conditions and specific requirements of energy conservation to form a three-layer thermal insulation composite outer wall.
Claims (10)
1. A spray-built gypsum three-layer heat-preservation composite double-layer outer wall body is composed of an upper end beam of the wall body, a lower end beam of the wall body, a double-layer light steel keel framework, a steel wire mesh, anchor bolts, an outer side layer of the wall body, an inner side layer of the wall body, a grid cloth layer, a cement mortar layer, a heat-preservation plate layer, a central filling layer of the wall body and a gypsum mortar layer, and is characterized in that the double-layer light steel keel framework is arranged between the cement mortar layer and the gypsum mortar layer, the steel wire mesh is fixed on the double-layer light steel keel framework through the anchor bolts, and two ends of the steel wire mesh extend up and down to the upper end beam of the wall body and the lower end beam of the; the wall center filling layer is arranged between the double-layer light steel keel framework and the wall upper end beam and between the double-layer light steel keel framework and the wall lower end beam.
2. The spray-built gypsum three-layer heat-insulating composite double-layer outer wall body as claimed in claim 1, wherein the wall center filling layer is a wall cavity.
3. The spray-built gypsum three-layer thermal insulation composite double-layer outer wall body as claimed in claim 1, wherein the wall center filling layer is a thermal insulation board layer.
4. The spray-built gypsum three-layer thermal insulation composite double-layer outer wall body as claimed in claim 1, wherein the wall center filling layer is a thermal insulation mortar layer.
5. The spray-built gypsum three-layer heat-insulation composite double-layer outer wall body as claimed in claim 1, wherein one side of the double-layer light steel keel framework is connected with the heat-insulation board through an anchor bolt, and the other side of the double-layer light steel keel framework is connected with the inner layer of the wall body through an anchor bolt.
6. The spray-built gypsum three-layer heat-insulating composite double-layer outer wall body as claimed in claim 1, wherein the gypsum mortar layer is arranged between the central filling layer and the inner layer of the wall body.
7. The sprayed and built gypsum three-layer thermal insulation composite double-layer outer wall body as claimed in claim 1, wherein the thermal insulation board layer is arranged between the mesh cloth layer and the cement mortar layer.
8. The sprayed and built gypsum three-layer heat-insulating composite double-layer outer wall body as claimed in claim 1, wherein the heat-insulating board layer is arranged between the gypsum mortar layer and the cement mortar layer and is fixedly connected with the steel wire mesh.
9. The sprayed and built gypsum three-layer thermal insulation composite double-layer outer wall body as claimed in claim 1, wherein the outer layer of the wall body is an anti-crack mortar layer.
10. The sprayed and built gypsum three-layer thermal insulation composite double-layer outer wall body as claimed in claim 1, wherein the anchor bolt is an expansion screw.
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| CN111593834A (en) * | 2020-02-19 | 2020-08-28 | 上海恪耐新材料科技有限公司 | Spray-built gypsum three-layer heat-preservation composite double-layer outer wall and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111593834A (en) * | 2020-02-19 | 2020-08-28 | 上海恪耐新材料科技有限公司 | Spray-built gypsum three-layer heat-preservation composite double-layer outer wall and preparation method thereof |
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