Prestressed arched roof panel for grain warehouse
By incorporating multi-layered waterproofing and insulation design on the prestressed arched roof panels, the waterproofing and insulation issues at the joints of the roof panels were resolved, achieving temperature stability and waterproofing in the grain storage warehouse and improving the quality of grain storage.
Patent Information
- Application Number
- CN202422699051.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-06
AI Technical Summary
The existing prestressed arched roof panels have poor waterproofing and insulation effects at the splicing joints, resulting in large temperature fluctuations inside the grain storage warehouse, affecting grain quality, and posing a risk of water leakage.
It adopts a multi-layer waterproof design, including grooves, sealant filling layer, waterproof tape layer, waterproof roll layer and protective layer, and combines it with polyurethane foam layer for thermal insulation to form a continuous thermal insulation layer, which enhances waterproof and thermal insulation performance.
It improves the waterproof and thermal insulation performance of the roof panels, maintains a stable temperature inside the warehouse, reduces energy consumption, prevents grain from getting damp, and ensures grain quality.
Smart Images
Figure CN223577416U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building engineering especially relates to a prestressed arch roof panel for grain storage. BACKGROUND
[0002] The prestressed arch roof panel is a kind of roof covering material commonly used in large-span structure such as industrial building, warehouse etc.The prestressed arch roof panel is composed of multiple units, and each unit needs to be spliced, and the existence of splicing joint leads to certain hidden danger in waterproof and heat preservation of roof panel, and poor heat preservation can cause the temperature inside warehouse to fluctuate greatly with the change of external environment, which can affect the quality of stored grain, especially for those grain types sensitive to temperature and humidity;Roof leakage can directly cause the grain stored below to be damp, even soaked, seriously affect the quality of grain, and even make it inedible.Currently, waterproofing is generally carried out by laying waterproofing membrane, and heat preservation is carried out by setting insulation board, and the heat preservation and waterproofing effect of this kind of way is general, and the reliability is low. SUMMARY
[0003] The utility model aims at solving the insufficient prior art, and provides a prestressed arch roof panel for grain storage.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a prestressed arch roof panel for grain storage, comprising a plurality of arched roof panel units, recesses are arranged at the arc-shaped edge splicing joints of adjacent two roof panel units, the recesses are filled with sealant filling layers, waterproof adhesive tape layers are pasted on the top of the recesses, a first waterproofing membrane layer is laid on the length direction of the plurality of roof panel units, a second waterproofing membrane layer is laid on the width direction of the plurality of roof panel units, the second waterproofing membrane layer is located on the top of the first waterproofing membrane layer, a protective layer is installed on the top of the second waterproofing membrane layer, insulation boards are arranged at the bottom of the horizontal edge of the plurality of roof panel units, and foamed polyurethane layers are filled in the gap between the arc-shaped edge and the horizontal edge of the roof panel unit.
[0005] Particularly, the protective layer is an insulation board.
[0006] Particularly, the outer side of the protective layer is coated with a reflective thermal insulation coating.
[0007] Particularly, a plastic film layer is arranged between the protective layer and the second waterproofing membrane layer.
[0008] Particularly, adjacent two roof panel units are connected and fixed by the reserved connecting pieces.
[0009] The utility model has the advantages of:
[0010] The utility model discloses a waterproof layer is provided with groove, sealant filling layer, waterproof adhesive tape layer, first waterproof roll material layer, second waterproof roll material layer, adopts waterproof design of multilayer, can strengthen overall waterproof performance, and sealant filling layer and waterproof adhesive tape layer can carry out strict treatment to the joint between roof panel, prevent moisture penetration.
[0011] The utility model discloses a foamed polyurethane layer, insulation board are set up, adopt the insulation design of multilayer, can strengthen overall insulation performance, foamed polyurethane layer can effectively prevent heat transfer, improve the insulation and heat insulation effect of building, can also closely fill gap, form a continuous insulation layer, reduce air permeation, thereby strengthen overall air tightness and insulation effect.
[0012] The utility model discloses a protection layer can protect waterproof roll material, and the reflective heat insulation coating is coated on the outside of protection layer, can reduce the absorption of solar radiation heat, especially in hot area, avoid the temperature of warehouse to be too high, be equipped with plastic film layer between protection layer and second waterproof roll material layer, can avoid the bonding between both, convenient operation when replacing waterproof roll material in the future. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model;
[0014] Figure 2 It is Figure 1 The enlarged schematic diagram of A in the middle;
[0015] In the drawing: 1-roof panel unit;2-groove;3-sealant filling layer;4-waterproof adhesive tape layer;5-first waterproof roll material layer;6-second waterproof roll material layer;7-protection layer;8-insulation board;9-foamed polyurethane layer;
[0016] The utility model will be described in detail below with reference to the embodiment of the utility model and the accompanying drawings. DETAILED DESCRIPTION
[0017] The utility model will be described in detail below with reference to the embodiment of the utility model and the accompanying drawings.
[0018] For example Figures 1-2As shown, a prestressed arched roof panel for a grain storage warehouse comprises a plurality of arched roof panel units 1, two adjacent roof panel units 1 are connected and fixed through reserved connecting pieces, a groove 2 is arranged at the splicing joint of the arc-shaped edge of the two adjacent roof panel units 1, a sealant filling layer 3 is filled in the groove 2, a waterproof adhesive tape layer 4 is pasted on the top of the groove 2, a first waterproof coiled material layer 5 is laid along the length direction and overlaps a plurality of roof panel units 1, a second waterproof coiled material layer 6 is laid along the width direction and overlaps a plurality of roof panel units 1, the second waterproof coiled material layer 6 is located on the top of the first waterproof coiled material layer 5, and a protective layer 7 is installed on the top of the second waterproof coiled material layer 6; the waterproof design of multiple layers can enhance the overall waterproof performance; the waterproof coiled material can use high-performance waterproof materials, such as modified asphalt waterproof coiled material and synthetic polymer waterproof coiled material, and has good weather resistance and anti-aging performance; the sealant filling layer 3 and the waterproof adhesive tape layer 4 can tightly treat the joints between the roof panel units, so that water penetration is prevented.
[0019] The horizontal edge bottom of the plurality of roof panel units 1 is provided with an insulation board 8, and the gap between the arc-shaped edge and the horizontal edge of the roof panel unit 1 is filled with a foamed polyurethane layer 9; the insulation design of multiple layers can enhance the overall insulation performance; the foamed polyurethane has extremely low thermal conductivity, can effectively prevent heat transfer, and improves the insulation and heat insulation effect of the building; the foamed polyurethane can tightly fill the gap and form a continuous insulation layer, reduces air permeation, and thus enhances the overall air tightness and insulation effect; meanwhile, the foamed polyurethane is not easy to absorb water, can prevent water penetration to a certain extent, and plays a waterproof role.
[0020] The protective layer 7 is an insulation and heat insulation board, such as an extruded polystyrene board and a rock wool board, increases the insulation and heat insulation function, helps to reduce heat transfer, keeps the internal temperature of the warehouse stable, and reduces energy consumption. The outer side of the protective layer 7 is coated with a reflective heat insulation coating, which can reduce the absorption of solar radiation heat, especially in hot areas, to avoid excessively high temperature in the warehouse. A plastic film layer is arranged between the protective layer 7 and the second waterproof coiled material layer 6, which can avoid bonding between the two, and facilitates the operation when the waterproof coiled material is replaced in the future.
[0021] The utility model has good overall insulation and waterproof effect, and is convenient to use.
[0022] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" orientation or positional relationship indicated in the drawing is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as a limitation on the utility model.
[0023] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0024] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; It can be mechanical connection, or electrical connection or communication with each other; It can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] The utility model is described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above method, as long as various improvements are made by using the method concept and technical scheme of the utility model, or directly applied to other occasions without improvement, all within the protection scope of the utility model.
Claims
1. A prestressed arched roof panel for grain storage warehouses, comprising a plurality of arched roof panel units (1), characterized in that, A groove (2) is provided at the arc-shaped edge splice joint of two adjacent roof panel units (1). The groove (2) is filled with a sealant filler layer (3). A waterproof tape layer (4) is pasted on the top of the groove (2). A first waterproof membrane layer (5) is laid overlapping along the length direction of several roof panel units (1). A second waterproof membrane layer (6) is laid overlapping along the width direction of several roof panel units (1). The second waterproof membrane layer (6) is located on top of the first waterproof membrane layer (5). A protective layer (7) is installed on top of the second waterproof membrane layer (6). An insulation board (8) is provided at the bottom of the horizontal edge of several roof panel units (1). A foamed polyurethane layer (9) is filled in the gap between the arc-shaped edge and the horizontal edge of the roof panel unit (1).
2. The prestressed arched roof panel for a grain storage warehouse according to claim 1, characterized in that, The protective layer (7) is a thermal insulation board.
3. A prestressed arched roof panel for grain storage warehouses according to claim 1, characterized in that, The outer side of the protective layer (7) is coated with a reflective heat-insulating coating.
4. A prestressed arched roof panel for a grain storage warehouse according to claim 1, characterized in that, A plastic film layer is provided between the protective layer (7) and the second waterproof membrane layer (6).
5. A prestressed arched roof panel for a grain storage warehouse according to claim 1, characterized in that, The two adjacent roof panel units (1) are connected and fixed by the reserved connectors.