Thermal insulation structure suitable for junction of ceiling and wall surface of refrigeration house

Abstract

The utility model discloses a heat preservation structure suitable for the junction of a refrigeration house ceiling and a wall surface, which comprises a polyurethane heat preservation layer arranged on the lower surface of the refrigeration house ceiling and a polyurethane heat preservation plate vertically arranged on the inner side of a column body of the refrigeration house wall surface. The polyurethane heat preservation layer covers the top of the polyurethane heat preservation plate, the polyurethane heat preservation plate is fixedly connected with the beam bottom of the refrigeration house ceiling through first angle steel and self-tapping screws, and C-shaped steel is fixedly arranged between the middle part of the polyurethane heat preservation plate and a refrigeration house wall face column body. According to the utility model, the polyurethane insulation layer is formed on the ceiling by on-site spraying, the polyurethane insulation layer covers the polyurethane insulation board to form sealed heat insulation, and meanwhile, the polyurethane insulation board on the wall surface of the refrigeration house is fixedly connected with the beam bottom of the ceiling of the refrigeration house through the first angle steel and the self-tapping screw; and the middle part of the polyurethane insulation board is fixedly connected with the column body of the wall surface of the refrigeration house through the C-shaped steel and the mushroom head nylon bolt, so that the connection stability between the top end of the wall surface and the ceiling is improved, and the phenomena of cracking and cold leakage are effectively relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold storage thermal insulation, and particularly relates to a thermal insulation structure applicable to the junction of the ceiling and the wall of a cold storage. Background Technique

[0002] When designing the thermal insulation wall of the existing cold storage, polyurethane sandwich panels are usually attached to the column bodies of the cold storage wall for heat insulation. However, the connection between the ceiling and the wall panel of this structure is prone to cracking and cold leakage. After the wall panel joints are cooled, they are also prone to debonding and cracking under the influence of negative pressure inside the warehouse, affecting the later thermal insulation effect. Content of the Utility Model

[0003] In order to solve the technical problems mentioned in the background technique, the utility model provides a thermal insulation structure applicable to the junction of the ceiling and the wall of a cold storage.

[0004] The utility model adopts the following technical scheme: a thermal insulation structure applicable to the junction of the ceiling and the wall of a cold storage, including a polyurethane thermal insulation layer sprayed on the lower surface of the cold storage ceiling in layers on site, and a polyurethane thermal insulation board vertically arranged inside the column body of the cold storage wall; the polyurethane thermal insulation layer covers the top of the polyurethane thermal insulation board; the polyurethane thermal insulation board is fixedly connected to the bottom of the cold storage ceiling beam through a first angle steel and self-tapping screws; the other end of the first angle steel is fixedly connected to the bottom of the cold storage ceiling beam through expansion bolts; a C-shaped steel is fixedly arranged between the middle part of the polyurethane thermal insulation board and the column body of the cold storage wall; one end of the C-shaped steel is fixedly connected to the fixing bracket of the column body of the cold storage wall through bolts; the other end of the C-shaped steel is fixedly connected to the polyurethane thermal insulation board through a second angle steel and mushroom head nylon bolts.

[0005] Furthermore, a wire mesh layer is embedded in the polyurethane thermal insulation layer.

[0006] Furthermore, a cyanate ester vapor barrier layer is laid between the polyurethane thermal insulation layer and the lower surface of the cold storage ceiling.

[0007] Compared with the prior art, the advantages of the utility model are as follows: the thermal insulation structure applicable to the junction of the ceiling and the wall of the cold storage designed by the utility model forms a polyurethane thermal insulation layer by on-site spraying on the ceiling, and the polyurethane thermal insulation layer covers the polyurethane thermal insulation board to form a sealed heat insulation. At the same time, the polyurethane thermal insulation board on the cold storage wall is fixedly connected to the bottom of the cold storage ceiling beam through a first angle steel and self-tapping screws, and the middle part of the polyurethane thermal insulation board is fixedly connected to the column body of the cold storage wall through a C-shaped steel and mushroom head nylon bolts, improving the connection stability between the top of the wall and the ceiling, and effectively alleviating the phenomenon of cracking and cold leakage. Description of the Drawings

[0008] Figure 1 It is a schematic cross-sectional view of the thermal insulation structure applicable to the junction of the ceiling and the wall of the cold storage of the utility model.

[0009] Wherein:

[0010] 1 - Cold storage ceiling, 2 - Polyurethane insulation layer, 3 - Cold storage wall column, 4 - Polyurethane insulation board, 5 - First angle steel, 6 - Self-tapping screw, 7 - C-shaped steel, 8 - Second angle steel, 9 - Mushroom head nylon bolt, 10 - Wire mesh layer, 11 - Cyanate condensation vapor barrier layer. Specific implementation mode

[0011] Hereinafter, for the convenience of those skilled in the art to understand the technical solution of the present utility model, further description will be made with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model.

[0012] In the following detailed description, for the sake of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present utility model. However, obviously, one or more embodiments can also be implemented without these specific details. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessarily confusing the concept of the present utility model.

[0013] As Figure 1 shown, it is a schematic cross-sectional view of the insulation structure applicable to the junction of the cold storage ceiling and the wall of the present utility model, including a polyurethane insulation layer 2 sprayed on the lower surface of the cold storage ceiling 1 in layers on site, and a polyurethane insulation board 4 vertically arranged inside the cold storage wall column 3. The polyurethane insulation layer 2 covers the top of the polyurethane insulation board 4 to form a sealed heat insulation. In specific implementation, a wire mesh layer 10 is embedded in the polyurethane insulation layer 2 to improve the overall strength and stability of the polyurethane insulation layer 2. The polyurethane insulation board 4 is fixedly connected to the bottom of the cold storage ceiling 1 beam through the first angle steel 5 and self-tapping screws 6, and the other end of the first angle steel 5 is fixedly connected to the bottom of the cold storage ceiling 1 beam through expansion bolts. A C-shaped steel 7 is fixedly arranged between the middle part of the polyurethane insulation board 4 and the cold storage wall column 3. One end of the C-shaped steel 7 is fixedly connected to the cold storage wall column 3 fixing bracket through bolts, and the other end of the C-shaped steel 7 is fixedly connected to the polyurethane insulation board 4 through the second angle steel 8 and mushroom head nylon bolts 9, so as to fixedly connect the polyurethane insulation board 4 as a whole to the cold storage wall column 3 stably and prevent the polyurethane insulation board 4 from cracking and losing cold.

[0014] In this embodiment, a cyanate condensation vapor barrier layer 11 is laid between the polyurethane insulation layer 2 and the lower surface of the cold storage ceiling 1 to achieve the effect of waterproofing and vapor barrier.

[0015] In summary, the thermal insulation structure designed by the utility model is applicable to the junction of the cold storage ceiling and the wall. The ceiling is sprayed on-site to form a polyurethane thermal insulation layer, and the polyurethane thermal insulation layer covers the polyurethane thermal insulation board to form a sealed heat insulation. At the same time, the polyurethane thermal insulation board on the cold storage wall is fixedly connected to the bottom of the cold storage ceiling beam through the first angle steel and self-tapping screws. The middle part of the polyurethane thermal insulation board 4 is fixedly connected to the cold storage wall column 3 through the C-shaped steel 7 and the mushroom head nylon bolt 9, which improves the connection stability between the top of the wall and the ceiling and effectively alleviates the phenomenon of cracking and cold leakage.

[0016] The above embodiments are only descriptions of the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A thermal insulation structure applicable to the junction of the ceiling and the wall of a cold storage, characterized in that, It includes a polyurethane thermal insulation layer (2) arranged by on-site layered spraying on the lower surface of the cold storage ceiling (1), and polyurethane thermal insulation boards (4) vertically arranged inside the cold storage wall columns (3); the polyurethane thermal insulation layer (2) covers the top of the polyurethane thermal insulation board (4); the polyurethane thermal insulation board (4) is fixedly connected to the bottom of the beam of the cold storage ceiling (1) through a first angle steel (5) and self-tapping screws (6); the other end of the first angle steel (5) is fixedly connected to the bottom of the beam of the cold storage ceiling (1) through an expansion bolt; a C-shaped steel (7) is fixedly arranged between the middle part of the polyurethane thermal insulation board (4) and the cold storage wall column (3); one end of the C-shaped steel (7) is fixedly framed to the cold storage wall column (3) through a bolt; the other end of the C-shaped steel (7) is fixedly connected to the polyurethane thermal insulation board (4) through a second angle steel (8) and a mushroom head nylon bolt (9).

2. The thermal insulation structure applicable to the junction of the cold storage ceiling and the wall according to claim 1, characterized in that, A wire mesh layer (10) is embedded in the polyurethane thermal insulation layer (2).

3. The thermal insulation structure applicable to the junction of the cold storage ceiling and the wall according to claim 2, characterized in that, A cyanate ester vapor barrier layer (11) is laid between the polyurethane thermal insulation layer (2) and the lower surface of the cold storage ceiling (1).

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