HNSPS low energy consumption external wall external thermal insulation system

Abstract

The utility model provides a kind of HNSPS low energy consumption external wall external thermal insulation system, it is related to external wall thermal insulation technical field, including base wall, adhesive layer, thermal insulation layer and protective layer;Base wall includes concrete wall or masonry wall;Adhesive layer includes bonding mortar and anchor bolt, bonding mortar is located base wall outside;Thermal insulation layer is HNSPS insulation board, thermal insulation layer is located between adhesive layer and the protective layer of outermost layer.The utility model has the beneficial effects of: reasonable in design, simple structure, safe and reliable, improve the fire performance of system, reduce the fire occurrence in the use process of the product.

Description

Technical Field

[0001] This utility model relates to the field of external wall insulation technology, and in particular to an HNSPS low-energy external wall insulation system. Background Technology

[0002] Driven by policies and regulations on building energy conservation, my country's external wall insulation industry has developed rapidly. While inorganic insulation materials have many advantages such as high strength and good fire resistance, their thermal insulation effect is far inferior to that of organic materials, and their construction technology and methods are also less mature and convenient.

[0003] With the improvement of building energy-saving design standards in Shandong Province, from the original 75% energy-saving standard to the 83% energy-saving standard, the thermal insulation performance of external wall insulation materials needs to be greatly improved.

[0004] Solving the aforementioned technical problems is the challenge facing this utility model. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an HNSPS low-energy external wall insulation system that is rationally designed, simple in structure, safe and reliable, improves the fire resistance of the system, and reduces the occurrence of fires during the use of the product.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: This utility model provides an HNSPS low-energy external wall insulation system, including a base wall, an adhesive layer, an insulation layer and a protective layer;

[0007] The base wall includes concrete walls or masonry walls;

[0008] The bonding layer includes bonding mortar and anchor bolts, wherein the bonding mortar is located outside the base wall;

[0009] The insulation layer is an HNSPS insulation board, and the insulation layer is located between the adhesive layer and the outermost protective layer.

[0010] The end of the anchor is located in the base wall and penetrates the adhesive layer and the insulation layer. The anchor includes an expansion member and an expansion sleeve, which are mechanical fasteners that connect the external insulation system and the base wall by means of friction generated by expansion or mechanical locking action.

[0011] The protective layer includes a plaster layer and a finishing layer;

[0012] The plastering layer comprises a 3mm-5mm thick plastering mortar and a composite fiberglass mesh, and the finishing layer comprises a coating material. The finishing layer serves both decorative and protective functions for the external insulation system.

[0013] The protective layer includes a fireproof leveling layer, a plastering layer, and a finishing layer;

[0014] The fireproof leveling layer includes several layers of 10mm composite thermal insulation mortar, the plastering layer includes 3mm-5mm thick plastering mortar and alkali-resistant glass fiber mesh, and the finishing layer includes coating materials.

[0015] There is a 3mm-5mm gap between adjacent insulation boards, and adhesive mortar is provided in the gap.

[0016] The adhesive mortar includes cement-based cementitious materials, polymer materials, fillers and additives, and is a bonding material for bonding thermosetting boards to the base wall.

[0017] The HNSPS insulation board is a rigid foam plastic insulation board with a closed-cell structure, made by extrusion process using graphene modifier, polystyrene as the main material, a small amount of additives, and carbon dioxide combined foaming agent. The inner and outer surfaces of the HNSPS insulation board are evenly distributed with several parallel grooves, and the grooves on both sides are staggered.

[0018] The groove has a width of 4-6 mm and a depth of 4-6 mm.

[0019] Both the inner and outer surfaces of the HNSPS insulation board are coated with an interface agent. This specialized interface agent has strong polarity and is applied to the surface of the composite plastic microbubble board, i.e., the HNSPS insulation board. It is an emulsion-like polymer material used to improve the bonding strength between the insulation board and the bonding mortar and plastering mortar. In its preparation process, graphite polystyrene particles, ordinary polystyrene particles, nucleating agents, flame retardants, etc., are fed into the first-stage plastic extruder via a feeder. After being fully plasticized in the extruder, carbon dioxide, a foaming agent, is injected. The foaming agent is fully mixed with other raw materials and cooled in the second-stage extruder before being extruded through a die. After extrusion, the pressure is rapidly released, and the foaming agent encapsulated in the plastic rapidly expands to form closed cells. Under the action of these cells, the polystyrene plastic forms a foam board with honeycomb-like closed cells. The board is then shaped to the required thickness and width by a shaping and traction machine, and then cut into finished products. This technology uses a constant pressure pump to stabilize the carbon dioxide in a supercritical state. In the first static mixer, carbon dioxide and accelerator are thoroughly mixed. A high-pressure metering pump and a mass flow meter are used to stably inject carbon dioxide into the first-stage screw. Through the second and third static mixers, carbon dioxide is thoroughly mixed with graphite polystyrene particles and ordinary polystyrene particles in stages, so as to achieve the purpose of stable carbon dioxide injection and smooth foaming.

[0020] The composite thermal insulation mortar is a composite thermal insulation mortar made of redispersible adhesive powder, inorganic cementitious materials, and additives, combined with vitrified microspheres or polystyrene particles as aggregates, and is used as a composite mortar layer between wall insulation boards and board joints.

[0021] The composite glass fiber mesh is coated with a polymer material that has alkali resistance and is an anti-crack material embedded in the anti-crack mortar.

[0022] The plastering mortar is a polymer mortar with good deformation resistance and bonding performance, formulated mainly by high molecular polymers, cement, and sand.

[0023] The beneficial effects of this utility model are as follows:

[0024] 1. The HNSPS insulation board of this application is made of graphite modified and prepared by using a combination of foaming agents, which reduces the thermal conductivity of the product to below 0.024W / (m·k), thereby improving the energy-saving effect and thermal insulation performance of the product.

[0025] 2. The HNSPS low-energy external wall insulation system adopts a fireproof compartmentalized structure, which improves the fire resistance of the system and reduces the occurrence of fires during the use of the product.

[0026] 3. The HNSPS insulation board of this application uses carbon dioxide as a foaming agent to extrude and mold foamed plastic insulation boards, sheets, and other products. Using carbon dioxide as a foaming agent is non-toxic and harmless to the environment, and it can be produced using a large amount of recycled plastic materials, which helps to reduce white pollution. When carbon dioxide is used to foam the extruded board, it forms countless small fire extinguishers hidden in each small pore, making the flame retardant properties of the extruded board itself more stable and uniform. Compared with chemical foaming agents, carbon dioxide foaming agent has the advantages of high foaming ratio, no residue, and no impact on the mechanical properties and surface color of the product. Compared with other physical foaming agents, it has the advantages of being non-flammable and non-explosive, non-toxic, non-corrosive to equipment, green and environmentally friendly, and inexpensive, which can save energy for production enterprises.

[0027] 4. The HNSPS insulation board of this application has high compressive strength, good thermal insulation performance, and flame retardancy that can reach B1 level (in Germany, extruded boards using Freon and dimethyl ether as foaming agents can only achieve B2 level in terms of fire performance).

[0028] 5. Both the inner and outer surfaces of the HNSPS insulation board are coated with an interface agent. This special interface agent has strong polarity and is applied to the surface of the composite plastic microbubble board, i.e., the HNSPS insulation board. It is an emulsion-like polymer material used to improve the bonding strength between the insulation board and the bonding mortar and plastering mortar.

[0029] 6. HNSPS insulation boards, as an insulation layer, have numerous parallel grooves evenly distributed on both the inner and outer surfaces. This effectively enhances their adhesion to the wall, and the structure also effectively reduces thermal bridging, minimizing heat transfer through the insulation layer and thus improving the overall insulation performance of the system. The groove design also helps regulate the temperature difference between the inside and outside of the wall, further enhancing insulation performance.

[0030] 7. The use of bonding mortar and anchors in the adhesive layer ensures a strong connection between the insulation layer and the base wall, reducing cracks caused by temperature changes or other external factors. The use of composite fiberglass mesh increases the overall crack resistance of the protective layer and improves the durability of the wall.

[0031] 8. The 10mm composite thermal insulation mortar used in the fireproof leveling layer and the coating materials of the finishing layer have good fireproof performance, which can effectively slow down the spread of fire, provide residents with more escape time, and improve the safety of the building. Attached Figure Description

[0032] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model.

[0033] Figure 2 This is a structural schematic diagram of Embodiment 2 of the present invention.

[0034] Figure 3 This is a three-dimensional structural diagram of the HNSPS plate of this utility model.

[0035] The attached diagram is labeled as follows: 1. Base wall; 2. Adhesive layer; 201. Adhesive mortar; 202. Anchor bolt; 3. Insulation layer; 301. HNSPS insulation board; 302. Groove; 4. Protective layer; 401. Plastering layer; 402. Finishing layer; 403. Fireproof leveling layer; 5. Board joint. Detailed Implementation

[0036] The technical features of this solution can be clearly explained. The following is a detailed description of the solution through specific implementation methods.

[0037] Example 1

[0038] See Figure 1 , Figure 3 As shown, this embodiment is an HNSPS low-energy external wall insulation system, characterized in that it includes a base wall 1, an adhesive layer 2, an insulation layer 3, and a protective layer 4;

[0039] The base wall 1 includes concrete walls or masonry walls;

[0040] The bonding layer 2 includes bonding mortar 201 and anchor bolt 202. The bonding mortar 201 is located outside the base wall 1. The anchor bolt 6 includes an expansion member and an expansion sleeve. The end of the anchor bolt 202 is located in the base wall 1 and penetrates the bonding layer 2 and the insulation layer 3.

[0041] The insulation layer 3 is an HNSPS insulation board 301. The insulation layer 3 is located between the adhesive layer 2 and the outermost protective layer 4. Several parallel grooves 302 are evenly distributed on the inner and outer surfaces of the HNSPS insulation board 301. The grooves 302 on both sides are staggered and intersected. The groove width of the groove 302 is 4-6mm and the groove depth is 4-6mm.

[0042] The protective layer 4 includes a plastering layer 401 and a finishing layer 402. The plastering layer 401 includes a 3mm-5mm thick plastering mortar and a composite fiberglass mesh. The finishing layer 402 includes coating materials, and the plastering mortar has no less than two layers.

[0043] The construction process in this embodiment includes the following steps:

[0044] I. Grassroots Cleanup and Leveling

[0045] Remove any protruding, hollow, loose, or weathered areas from the base wall 1 and level it with special polymer mortar. The leveling mortar should be firmly bonded to the base wall 1. After cleaning the through holes and wall defects, repair them with appropriate materials to make them smooth.

[0046] II. Control Line

[0047] Vertical control lines are hung at all external and internal corners of the exterior walls and other necessary locations, and horizontal lines are hung at appropriate locations on each floor to control the verticality and flatness of the HNSPS insulation board 301.

[0048] III. Install the support bracket:

[0049] According to the vertical and horizontal control lines of the wall, the support brackets are installed in the corresponding positions of the wall in accordance with the design and special construction plan. During installation, holes are drilled at the installation points using an electric hammer or impact drill, and then the support brackets are anchored to the reinforced concrete structural members with expansion bolts.

[0050] IV. Pasting the HNSPS board

[0051] Before pasting HNSPS insulation board 301, first apply a special interface agent to both sides of the HNSPS board. Damaged boards are prohibited. The effective bonding area of ​​the adhesive mortar should not be less than 80% of the area of ​​the HNSPS insulation board 301. Use the full-adhesion method, pasting from bottom to top. During construction, apply a certain thickness of adhesive mortar to the inner bonding surface of the HNSPS insulation board 301, and promptly paste and compact the HNSPS insulation board 301 onto the base wall 1. Use a straightedge and plumb line to check the flatness and verticality at any time. The HNSPS insulation board 301 should be evenly pressed and slid into place from bottom to top in a horizontal sequence, gently rubbing during pasting. Vertical joints should be staggered by 1 / 2 board length. When pasting HNSPS insulation board 301 on the outer walls of door and window openings, the thickness depends on the gap between the door / window frame and the opening, generally not less than 20mm. Alternatively, a granulated polystyrene mortar can be used for insulation treatment.

[0052] V. Construction of plastering mortar and anchor bolts 202

[0053] The application of the finishing mortar should be carried out 24 hours after the HNSPS insulation board 301 is pasted. The surface should be smooth and clean. The finishing mortar should be applied in two layers, with a total thickness of 3mm-5mm. First, apply the first layer and press in the fiberglass mesh. The fiberglass mesh should be laid from top to bottom, smoothed and straightened, maintaining the squareness and verticality of the inside and outside corners. The horizontal and vertical overlap width should not be less than 100mm. After the first layer of finishing mortar has been allowed to stand for 24 hours, it should be anchored with anchor bolts 202. The number of anchor bolts 202 should meet the relevant standard requirements. The effective anchoring depth of anchor bolts 202 should meet the requirements of the tensile bearing capacity standard value, not less than 30mm in concrete walls and not less than 50mm in masonry walls. Then, apply the second layer of finishing mortar, smoothing it flat and without wrinkles. After the finishing mortar and anchor bolts 202 are applied, allow it to cure for no less than 24 hours before proceeding to the next step. In cold and humid climates, the curing time should be appropriately extended.

[0054] VI. Construction of 402 Finishing Layer

[0055] After the plastering layer 401 passes inspection, the paint finishing layer 402 can be applied. The application of lightweight materials such as paint and finishing mortar for the finishing layer must meet the requirements of the "Code for Construction and Acceptance of Building Coating Engineering" JGJ / T 29.

[0056] Example 2

[0057] See Figures 2 to 3 As shown, this embodiment is an HNSPS low-energy external wall insulation system, characterized in that it includes a base wall 1, an adhesive layer 2, an insulation layer 3, and a protective layer 4;

[0058] The base wall 1 includes concrete walls or masonry walls;

[0059] The bonding layer 2 includes bonding mortar 201 and anchor bolt 202. The bonding mortar 201 is located outside the base wall 1. The anchor bolt 6 includes an expansion member and an expansion sleeve. The end of the anchor bolt 202 is located in the base wall 1 and penetrates the bonding layer 2 and the insulation layer 3.

[0060] The insulation layer 3 is an HNSPS insulation board 301. The insulation layer 3 is located between the adhesive layer 2 and the outermost protective layer 4. Several parallel grooves 302 are evenly distributed on the inner and outer surfaces of the HNSPS insulation board 301. The grooves 302 on both sides are staggered and intersected. The groove width of the groove 302 is 4-6mm and the groove depth is 4-6mm.

[0061] Protective layer 4 includes fireproof leveling layer 403, plastering layer 401 and finishing layer 402;

[0062] The fireproof leveling layer 403 includes several layers of 10mm composite thermal insulation mortar, the plastering layer 401 includes 3mm-5mm thick plastering mortar and composite fiberglass mesh, and the finishing layer 402 includes coating materials, with no less than 2 layers of plastering mortar.

[0063] There is a 3mm-5mm gap 5 between adjacent insulation boards 3, and adhesive mortar is placed in the gap 5.

[0064] The construction process in this embodiment is similar to that in Embodiment 1, except that in step four, when pasting the HNSPS insulation board 301, a 3mm-5mm wide gap is left between the boards, and this gap is filled with adhesive mortar. After pasting the insulation layer 3, the composite insulation mortar is applied: the composite insulation mortar is stirred, and the mixing quality can be judged by measuring the wet apparent density and observing its workability, anti-slip properties, and mortar state. The mixed composite insulation mortar should be used up within the product's allowable time. The composite insulation mortar is applied in layers, with each layer less than 10mm thick and an interval of more than 12 hours between layers. The first layer of mortar should be compacted, and the last layer should be smoothed to be flush with the mortar patch or screed, and then leveled with a trowel. Repairs are carried out 2-3 hours after the last layer of mortar is applied. Before repairs, the flatness of the composite insulation mortar is checked with a straightedge, and the deviation is controlled within ±2mm. For recessed areas, use a smoother, more fluid mortar to level them. For raised areas, use a trowel to lift them and scrape them flat. Finally, use a trowel to smooth the surface in layers, first horizontally and then vertically, and check the flatness with a plumb line and a 2m straightedge to ensure it meets the acceptance standards. When constructing doors and windows, first smooth the sides, sills, and top edges of the doors and windows, then smooth the main wall surface. Before construction, cut a single-sided figure-eight straightedge according to the dimensions of the doors and windows, and use it to ensure the doors and windows are square. Ensure the inside and outside corners are square. During construction, use a wooden square to check the right angle of the base wall corners and a plumb line to check the verticality of the corners. For the composite insulation mortar surface layer at the corners, use a square to press the mortar up and down and rub it. Use a trowel to repeatedly check, smooth, and repair to achieve the required verticality. Then, use inside and outside corner trowels to smooth the surface, ensuring that the verticality deviation and right angle deviation are both ±2mm. On-site inspection shows that the thickness of the composite insulation mortar should meet the design requirements and should not have a negative deviation.

[0065] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.

Claims

1. A low-energy external wall insulation system (HNSPS), characterized in that, It includes the base wall (1), adhesive layer (2), insulation layer (3) and protective layer (4); The base wall (1) includes concrete walls or masonry walls; The bonding layer (2) includes bonding mortar (201) and anchor bolts (202), wherein the bonding mortar (201) is located outside the base wall (1); The insulation layer (3) is an HNSPS insulation board (301), and the insulation layer (3) is located between the adhesive layer (2) and the outermost protective layer (4); The HNSPS insulation board (301) has several parallel grooves (302) evenly distributed on its inner and outer surfaces. The grooves (302) on both sides are staggered and intersected. The groove width (302) is 4-6mm and the groove depth is 4-6mm. The HNSPS insulation board (301) is a porous foam board with honeycomb-shaped closed cells. The HNSPS insulation board (301) is a graphite modified board prepared by using a combination of foaming agents. The thermal conductivity of the HNSPS insulation board (301) is reduced to below 0.024 W / (m·k).

2. The HNSPS low-energy external wall insulation system according to claim 1, characterized in that, The end of the anchor (202) is located in the base wall (1) and penetrates the adhesive layer (2) and the insulation layer (3); The anchor bolt (202) includes an expansion member and an expansion sleeve.

3. The HNSPS low-energy external wall insulation system according to claim 1, characterized in that, The protective layer (4) includes a finishing layer (401) and a decorative layer (402). The finishing layer (401) includes a 3mm-5mm thick finishing mortar and a composite fiberglass mesh, and the finishing layer (402) includes a coating material.

4. The HNSPS low-energy external wall insulation system according to claim 1, characterized in that, The protective layer (4) includes a fireproof leveling layer (403), a plastering layer (401), and a finishing layer (402). The fireproof leveling layer (403) includes several layers of 10mm composite thermal insulation mortar, the plastering layer (401) includes 3mm-5mm thick plastering mortar and composite glass fiber mesh, and the finishing layer (402) includes coating materials.

5. The HNSPS low-energy external wall insulation system according to claim 4, characterized in that, There is a 3mm-5mm gap (5) between adjacent insulation boards (301), and adhesive mortar is provided in the gap (5).

6. The HNSPS low-energy external wall insulation system according to any one of claims 3-4, characterized in that, The plastering mortar shall be applied in no less than two layers.

7. The HNSPS low-energy external wall insulation system according to claim 1, characterized in that, The inner and outer surfaces of the HNSPS insulation board (301) are coated with an interface agent.

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