CN217811834U

CN217811834U - Heat preservation structure on ground of refrigeration house

Info

Publication number: CN217811834U
Application number: CN202221966174.XU
Authority: CN
Inventors: 王斌; 刘建银; 王景飞; 高巧灵; 王湛涵; 祁艳玲; 叶刘亮; 李忠贵
Original assignee: YANTAI SHUNDA POLYURETHANES CO Ltd
Current assignee: YANTAI SHUNDA POLYURETHANES CO Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-15
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a heat preservation structure of a refrigeration house ground, which comprises a reinforced concrete prefabricated floor slab, a cement mortar leveling layer, a bridge cut-off heat preservation layer, a waterproof layer, a cement mortar protection layer and a reinforced concrete layer which are sequentially laid from inside to outside, wherein the bridge cut-off heat preservation layer comprises a first heat preservation layer and a second heat preservation layer, the first heat preservation layer is positioned at the central position of the whole bridge cut-off heat preservation layer and comprises a plurality of layers of extruded sheets which are sequentially staggered and paved; the second heat-insulating layer is a polyurethane heat-insulating plate, the thickness of the second heat-insulating layer is matched with that of the first heat-insulating layer, and the second heat-insulating layer is attached to the periphery of the first heat-insulating layer in a sealing mode. The utility model discloses a bridge cut-off heat preservation adopts the mixed structure of laying, and first heat preservation adopts the extruded sheet to spread and pastes, and it wholly is located the holistic central point of bridge cut-off heat preservation and puts, and the second heat preservation is sealed attached around first heat preservation, can ensure the heat preservation effect on ground, can save the cost again, and economy is suitable for.

Description

Heat preservation structure on ground of refrigeration house

Technical Field

The utility model relates to a freezer heat preservation technical field, in particular to insulation construction on freezer ground.

Background

The polyurethane insulation board has become a mainstream insulation board used in the refrigeration house due to the advantages of light weight, low water absorption rate, good insulation effect and the like, the polyurethane insulation board is also adopted as the insulation layer of the refrigeration house ground in the existing insulation structure of the refrigeration house ground, but the manufacturing cost of the polyurethane material is much higher than that of other existing insulation materials, and in general conditions, the refrigeration house ground is divided into the middle positions around, the insulation requirement is lower than that of the surrounding, and obviously, the cost is higher and the refrigeration house ground is not economical if the polyurethane insulation board is adopted as the insulation board for the whole refrigeration house ground.

The extruded sheet is a heat insulation material with a heat insulation effect, the heat insulation effect of the extruded sheet is not as good as that of a polyurethane heat insulation board, but the extruded sheet is low in manufacturing cost, economical and applicable, and widely used in the technical field of refrigeration houses at present.

SUMMERY OF THE UTILITY MODEL

To the technical problem who mentions in the background art, the utility model provides a freezer ground insulation construction with mix bridge cut-off heat preservation of laying.

The utility model adopts the following technical proposal: a heat insulation structure of a ground of a refrigeration house comprises a reinforced concrete prefabricated floor slab, a cement mortar leveling layer, a bridge cut-off heat insulation layer, a waterproof layer, a cement mortar protective layer and a reinforced concrete layer which are sequentially paved from inside to outside, wherein the bridge cut-off heat insulation layer comprises a first heat insulation layer and a second heat insulation layer, the first heat insulation layer is positioned in the center of the whole bridge cut-off heat insulation layer and comprises a plurality of layers of extruded sheets which are sequentially laid in a staggered mode; the second heat-insulating layer is a polyurethane heat-insulating plate, the thickness of the second heat-insulating layer is matched with that of the first heat-insulating layer, and the second heat-insulating layer is attached to the periphery of the first heat-insulating layer in a sealing mode.

Furthermore, a steam-insulating layer is laid between the first heat-insulating layer and the cement leveling layer, and the steam-insulating layer is made of a PE film; and a moisture-proof layer is laid between the second heat-insulating layer and the cement leveling layer and is made of polyurethane cyanogen condensation.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a heat preservation structure on freezer ground, its bridge cut-off heat preservation adopts the mixed structure of laying, and first heat preservation adopts the extruded sheet to spread and pastes, and its whole central point that is located the bridge cut-off heat preservation is whole puts, and the second heat preservation is sealed attached in around the first heat preservation, can ensure the heat preservation effect on ground, can save the cost again, economy is suitable for. Meanwhile, the first heat preservation layer adopts the extruded sheets which are sequentially staggered in peak and laid, so that the transfer path of the cold air can be effectively prolonged, the loss of the cold air is reduced, and the effects of energy conservation and heat preservation are better achieved.

Drawings

FIG. 1 is a schematic view of the whole structure of the ground heat-insulating structure of the cold storage of the utility model;

wherein: 1-a reinforced concrete prefabricated floor slab, 2-a cement mortar leveling layer, 3-a bridge cut-off heat insulation layer, 4-a waterproof layer, 5-a cement mortar protective layer, 6-a reinforced concrete layer, 7-a steam insulation layer, 8-a moisture-proof layer, 31-a first heat insulation layer and 32-a second heat insulation layer.

Detailed Description

Hereinafter, in order to facilitate understanding of the technical solutions of the present invention by those skilled in the art, further description will be made with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention.

In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The insulation construction of this embodiment can be laid on plain soil layer or directly lay and the base face according to concrete freezer construction position condition, if the freezer is located the basic unit, then this insulation construction can be laid on the plain soil layer of basic unit, if the freezer is located second floor or other high floors, then can locate original concrete base face on.

Please refer to fig. 1, which is a schematic diagram of an overall structure of a thermal insulation structure of a freezer ground, the thermal insulation structure of this embodiment is a precast reinforced concrete floor 1, a cement mortar leveling layer 2, a bridge cut-off thermal insulation layer 3, a waterproof layer 4, a cement mortar protective layer 5 and a reinforced concrete layer 6 which are sequentially laid from inside to outside. The bridge cut-off heat preservation layer 3 of the embodiment adopts a mixed laying structure, and comprises a first heat preservation layer 31 and a second heat preservation layer 32, wherein the first heat preservation layer 31 is located at the overall central position of the bridge cut-off heat preservation layer 3, and comprises a plurality of layers of extruded sheets which are sequentially laid and pasted in a staggered mode, the second heat preservation layer 32 is a polyurethane heat preservation plate, the thickness of the polyurethane heat preservation layer is matched with that of the first heat preservation layer 31, and the second heat preservation layer 32 is hermetically attached to the periphery of the first heat preservation layer 31, so that the heat preservation requirements of different areas of the ground of the refrigeration house are different, generally speaking, the heat preservation requirements of the central position of the ground of the refrigeration house are lower than those of the periphery, therefore, the embodiment adopts the first heat preservation layer for heat preservation at the central position of the ground, namely, the extruded sheets are also used for laying, in specific implementation, the total laying area of the first heat preservation layer accounts for 60% -70% of the whole bridge cut-off heat preservation layer, meanwhile, the second heat preservation layer 32 made of the polyurethane sheets are used for sealing and attaching around the first heat preservation layer, in specific implementation, the polyurethane sheets can be formed by on-site spraying, and the contact of the polyurethane heat preservation layer, thereby, the two kinds of the integrated contact joint material and the integrated contact of the heat preservation effect of the step contact and the bonding effect are further increased, and the step contact effect are further, and the bonding effect are further improved.

To sum up, the insulation structure on the ground of the refrigeration house of the embodiment can ensure the insulation effect on the ground, can save the cost, and is economical and applicable. In addition, the first heat preservation layer of this embodiment adopts the extruded sheet of in proper order staggering the peak shop, can effectual extension cold air's transfer path, reduces the loss of cold air, better plays energy-conservation, heat retaining effect.

Further, in this embodiment, a vapor barrier 7 is laid between the first heat-insulating layer 31 and the cement leveling layer 2, so that the interior of the heat-insulating structure can be kept in a dry environment, and the vapor barrier 7 can be made of a PE film, thereby achieving an effective sealing effect. The lapping distance between the films of the steam-isolating layer 7 is not less than 100mm, and the lapping position is bonded by an adhesive tape to prevent air leakage and water leakage. When the PE film is laid at intervals, the upward turning of the PE film in the process of meeting the wall column is not less than 250mm. A moisture-proof layer 8 is laid between the second insulating layer 32 and the cement leveling layer 2, and the moisture-proof layer 8 is made of polyurethane cyanogen condensation. The dampproof course 8 can effectually prevent that air conditioning from leaking, strengthens the heat preservation effect, and its thickness design is for being greater than 0.3mm. In the specific implementation process, in order to ensure the uniformity and consistency of the formed film, the moisture-proof layer 8 can be sprayed twice and can be sprayed by adopting a cross method.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The heat insulation structure of the ground of the refrigeration house is characterized by comprising a reinforced concrete prefabricated floor slab (1), a cement mortar leveling layer (2), a bridge cut-off heat insulation layer (3), a waterproof layer (4), a cement mortar protective layer (5) and a reinforced concrete layer (6) which are sequentially paved from inside to outside, wherein the bridge cut-off heat insulation layer (3) comprises a first heat insulation layer (31) and a second heat insulation layer (32), the first heat insulation layer (31) is positioned at the central position of the whole bridge cut-off heat insulation layer (3) and comprises a plurality of layers of extruded sheets which are sequentially staggered and paved; the second heat insulation layer (32) is a polyurethane heat insulation plate, the thickness of the second heat insulation layer is matched with that of the first heat insulation layer (31), and the second heat insulation layer (32) is attached to the periphery of the first heat insulation layer (31) in a sealing mode.

2. The insulation structure of a freezer floor according to claim 1, characterized in that a steam barrier (7) is laid between the first insulation layer (31) and the cement mortar leveling layer (2), and the steam barrier (7) is made of a PE film; and a moisture-proof layer (8) is laid between the second heat-insulating layer (32) and the cement mortar leveling layer (2), and the moisture-proof layer (8) is made of polyurethane cyanogen coagulation.