Thermal insulation wall and reservoir

Abstract

When the thermal insulation wall and the reservoir are used for thermal insulation and heat preservation of an underground building, a lining layer is in contact with a low-temperature medium, and a thermal insulation layer is arranged between a wall body and the lining layer, so that heat of underground soil on the outer side of the wall body is prevented from being transmitted into the reservoir; meanwhile, through the arrangement of the heat preservation layer, internal low temperature can be reduced to be conducted to a soil body outside the wall body, the frost heaving degree of the underground soil body is reduced, and the acting force of the underground soil body for extruding the wall body is reduced; in addition, due to the fact that one end of the connecting piece is connected with the wall body, and the other end of the connecting piece is embedded into the lining layer, the lining layer can be fixed. The wall body and the lining layer are provided with the supporting pieces, the structural stress of the lining layer can be effectively reduced, and cracking and deformation are prevented.

Description

Technical Field

[0001] The utility model relates to the field of construction, in particular to a heat-insulating wall and a water storage tank. Background Art

[0002] A low-temperature water storage tank is a building facility for storing low-temperature liquids, usually in a semi-buried or fully-buried form. In order to keep the water body in the water storage tank at a low temperature for a long time, many measures are taken, such as refrigerating the water body or reducing the heat exchange between the water body and the outside of the water storage tank.

[0003] However, long-term contact with the low-temperature water body will affect the water storage tank and other underground soil layers, threatening the stability and safety of the water storage tank. Specifically, the moisture in the underground soil freezes under the action of low temperature and causes the soil to expand, squeezing the wall of the water storage tank, resulting in cracks in the wall of the water storage tank and causing the ground floor at the wall to bulge.

[0004] Therefore, it is necessary to develop a new type of heat-insulating wall and water storage tank to improve some of the above problems existing in the related technology. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a new type of heat-insulating wall and water storage tank, which can reduce the damage caused by frost heaving of underground soil to the wall of the water storage tank.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] The heat-insulating wall provided by the utility model includes: a wall body, a heat-insulating layer, a lining layer and a connecting member; the wall body is made of concrete; the heat-insulating layer is arranged on the surface of the wall body for reducing heat dissipation and transfer; the lining layer is arranged on the side of the heat-insulating layer opposite to the wall body for contacting the low-temperature medium; the connecting member penetrates through the heat-insulating layer, one end is connected to the surface of the wall body, and the other end extends into the lining layer.

[0008] Compared with the prior art, when the heat-insulating wall provided by the utility model is used for heat insulation of underground buildings, the lining layer contacts the low-temperature medium, and by arranging the heat-insulating layer between the wall body and the lining layer, the heat transfer of the underground soil outside the wall body to the inside of the water storage tank is reduced; at the same time, the setting of the heat-insulating layer can reduce the internal low-temperature conduction to the soil outside the wall body, reduce the degree of frost heaving of the underground soil, and reduce the acting force of the underground soil squeezing the wall body; in addition, since one end of the connecting member is connected to the wall body and the other end is embedded in the lining layer, the lining layer can be fixed; the support member arranged in the heat-insulating layer can effectively reduce the stress of the lining layer structure, prevent cracking and deformation.

[0009] Optionally, the cross-section of the connecting member is I-shaped, and the connecting member includes a first wing plate, a web plate and a second wing plate, the web plate passes through the insulation layer, the first wing plate is connected to the surface of the wall body, and the second wing plate is buried in the lining layer.

[0010] Optionally, the lining layer includes a lining concrete body and lining steel bars, the lining steel bars respectively forming a first steel bar layer and a second steel bar layer in the lining layer, the steel bars of the first steel bar layer pass through the web of the connecting piece, the second steel bar layer is spaced apart from the first steel bar layer, and the second steel bar layer is located on a side of the second wing plate away from the first wing plate.

[0011] Optionally, the thermal insulation wall further comprises a mounting member embedded in the wall body, one side surface of the mounting member is exposed outside the wall body, and an end surface of the connecting member close to the wall body is connected to the mounting member.

[0012] Optionally, the mounting member and the connecting member are connected via bolts, and the bolts pass through the first wing plate and are connected to the mounting member.

[0013] Optionally, the insulation wall further includes a support member, which is disposed on the insulation layer, and two ends of the support member are respectively connected to the wall body and a surface of the lining layer in contact with the insulation layer.

[0014] Optionally, the material of the connecting piece is fiber reinforced plastic to reduce cold bridges.

[0015] Optionally, the material of the thermal insulation layer is a foamed material formed by polyurethane or polystyrene resin.

[0016] The utility model also provides a water storage tank, including a tank body for storing low-temperature liquid, the lining layer contacts the low-temperature medium, and by arranging a thermal insulation layer between the wall body and the lining layer, the heat transfer from the underground soil outside the wall body to the water storage tank is reduced; at the same time, the arrangement of the thermal insulation layer can reduce the internal low temperature from being transmitted to the soil outside the wall body, reduce the degree of frost heave of the underground soil body, and reduce the force of the underground soil body squeezing the wall body; in addition, since one end of the connecting piece is connected to the wall body and the other end is embedded in the lining layer, the lining layer can be fixed; the support member arranged in the thermal insulation layer can effectively reduce the stress on the lining layer structure and prevent cracking and deformation.

[0017] The utility model also provides a method for constructing a thermal insulation wall, which is characterized by comprising the following steps:

[0018] Cast the wall with concrete;

[0019] Arranging a connecting piece on the surface of the wall;

[0020] Paste a thermal insulation layer on the wall body so that part of the connecting piece is buried in the thermal insulation layer;

[0021] Construct a lining layer on the thermal insulation layer so that the connecting piece is buried.

[0022] The thermal insulation wall constructed by the construction method of the thermal insulation wall provided by the present utility model

[0023] By arranging a thermal insulation layer between the wall body and the lining layer, the heat transfer of the underground soil outside the wall body to the inside of the water storage tank is reduced; at the same time, the arrangement of the thermal insulation layer can reduce the internal low temperature conduction to the soil outside the wall body, reduce the degree of frost heaving of the underground soil, and reduce the acting force of the underground soil squeezing the wall body; in addition, since one end of the connecting piece is connected to the wall body and the other end is embedded in the lining layer, the lining layer can be fixed; the support pieces arranged between the wall bodies can effectively reduce the stress of the lining layer structure, prevent cracking and deformation. Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of the thermal insulation wall in the embodiment of the present utility model;

[0025] Figure 2 is Figure 1 an enlarged view of the part A shown.

[0026] Reference Signs:

[0027] 1, wall body; 2, thermal insulation layer; 3, lining layer; 31, lining concrete body; 32, lining steel bars; 321, first steel bar layer; 322, second steel bar layer; 4, connecting piece; 41, first wing plate; 42, web; 43, second wing plate; 5, low-temperature medium; 6, underground soil; 71, mounting piece; 72, bolt; 8, support piece. Detailed Embodiment

[0028] The present utility model will be described in detail below with reference to the drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present utility model, and gives the detailed implementation manner and specific operation process, but the protection scope of the present utility model is not limited to the following embodiments.

[0029] The embodiment of the present utility model provides a thermal insulation wall. Referring to Figure 1 , the thermal insulation wall includes: a wall body 1, a thermal insulation layer 2, a lining layer 3 and a connecting piece 4; the wall body 1 is made of concrete; the thermal insulation layer 2 is arranged on the surface of the wall body 1 for reducing heat dissipation and transfer; the lining layer 3 is arranged on the side of the thermal insulation layer opposite to the wall body 1 for contacting a low-temperature medium 5; the connecting piece 4 penetrates through the thermal insulation layer 2, one end is connected to the surface of the wall body 1, and the other end extends into the lining layer 3.

[0030] In some embodiments of the present utility model, the wall body 1 can be formed by concrete pouring. The wall body 1 is arranged underground and includes the side wall or the bottom wall. Exemplarily, referring to Figure 1 , the wall body 1 is arranged at the position of the underground side wall.

[0031] In some embodiments of the present utility model, referring to Figure 1 , the heat-insulating wall is arranged along the vertical direction on the side surface of the foundation pit. The underground soil body 6 is located on the left side of the wall body 1 in the figure. The heat-insulating layer 2 and the lining layer 3 are sequentially arranged on the right side of the wall body 1 in the figure. The low-temperature medium 5 is located on the right side of the lining layer 3 in the figure.

[0032] In some specific embodiments, the low-temperature medium 5 can be a medium in a solid, gaseous or liquid form.

[0033] In some specific embodiments, the temperature of the low-temperature medium 5 can be from -30°C to -10°C.

[0034] Specifically, the temperature of the low-temperature medium 5 can be -30, -25, -20, -15 or -10°C.

[0035] In some embodiments of the present utility model, referring to Figure 2 , the cross-section of the connecting member 4 is in the shape of an I-beam. The connecting member 4 includes a first wing plate 41, a web 42 and a second wing plate 43. The web 42 penetrates through the heat-insulating layer 2. The first wing plate 41 is connected to the surface of the wall body 1. The second wing plate 43 is embedded in the lining layer 3.

[0036] In some specific embodiments, Figure 1 For the perspective perpendicular to the ground of the reservoir body, the connecting member 4 is a long strip-shaped I-beam structural member. The installation method of the connecting member 4 is perpendicular to the bottom surface of the reservoir body. The length of the connecting member 4 is the same as the height of the wall body 1.

[0037] In some specific embodiments, referring to Figure 1 , a plurality of the connecting members 4 are arranged at intervals in the vertical direction and are arranged on the surface of the wall body 1.

[0038] In some specific embodiments, referring to Figure 2 , the cross-sectional shape of the connecting member 4 is in the shape of an I-beam. The connecting member 4 includes a first wing plate 41, a web 42 and a second wing plate 43. The surface of the first wing plate 41 on the side opposite to the second wing plate 43 is connected to the surface of the wall body 1.

[0039] In some specific embodiments, the first wing plate 41 and the wall body 1 can be connected by pre-embedding connection, adhesive connection or fastener connection. The present utility model does not limit this.

[0040] In some specific embodiments, referring to Figure 2 , the first wing plate 41 and the second wing plate 43 are parallel to each other, and the web 42 is perpendicular to the first wing plate 41 and the second wing plate 43.

[0041] In some specific embodiments, a method of pouring concrete at the position of the second wing plate 43 can be adopted to form a structure in which a part of the web 42 and the second wing plate 43 are buried in the lining.

[0042] In some embodiments of the present invention, referring to Figure 2 , the heat-insulating wall includes a mounting member 71 buried in the wall body 1, one side surface of the mounting member 71 is exposed outside the wall body 1, and the end surface of the connecting member 4 close to the wall body 1 is connected to the mounting member 71.

[0043] In some specific embodiments, referring to Figure 2 , the mounting member 71 is buried in the wall body 1, the connecting surface of the mounting member 71 with the first wing plate 41 coincides with the surface of the wall body 1, and the web 42 is buried in the heat-insulating layer 2 and the lining layer 3.

[0044] In some other specific embodiments, the mounting member 71 is buried in the wall body 1, and the web 42 is located inside the wall body 1, the heat-insulating layer 2 and the lining layer 3.

[0045] In some embodiments of the present invention, referring to Figure 2 , the mounting member 71 and the connecting member 4 are connected by a bolt 72, and the bolt 72 passes through the first wing plate 41 and is threadedly connected to the mounting member 71.

[0046] In some specific embodiments, one end of the bolt 72 passes through the first wing plate 41 and the mounting member 71 from the side of the first wing plate 41 close to the second wing plate 43 and is fixed inside the wall body 1. In some embodiments of the present invention, the material of the connecting member 4 is fibre-reinforced plastic (FRP).

[0047] In some embodiments of the present invention, the material of the mounting member 71 is fibre-reinforced plastic.

[0048] In some embodiments of the present invention, the material of the bolt 72 is fibre-reinforced plastic.

[0049] In some embodiments of the present invention, the material of the support member 8 is fibre-reinforced plastic.

[0050] In some embodiments of the present invention, the material of the thermal insulation layer 2 is a foaming material formed by polyurethane or polystyrene resin.

[0051] In some embodiments of the present invention, reference Figure 1 The insulation wall further includes a support member 8, which is disposed on the insulation layer 2, and the two ends of the support member 8 are respectively connected to the wall body 1 and the surface of the lining layer 3 that is in contact with the insulation layer 2.

[0052] In some embodiments of the present invention, reference Figure 1 The cross section of the support member 8 is an I-shape, and the two side wing plates of the support member 8 are respectively connected to the wall body 1 and the lining layer 3.

[0053] In some specific embodiments, the support member 8 is connected to the wall body 1 via bolts.

[0054] In some specific embodiments, referring to Figure 1 , a plurality of the support members 8 are arranged at intervals in the vertical direction and are disposed in the thermal insulation layer 2 .

[0055] In some embodiments of the present invention, reference Figure 2 The lining layer 3 includes a lining concrete body 31 and lining steel bars 32 . The lining steel bars 32 are arranged in the lining concrete body 31 to improve the stability and bearing capacity of the lining layer 3 .

[0056] In some embodiments of the present invention, reference Figure 2 The lining steel bars 32 are arranged in the lining layer 3 along the vertical direction, and the lining steel bars 32 pass through the web 42 of the connecting member 4.

[0057] In some embodiments of the present invention, reference Figure 2 The lining steel bars 32 respectively form a first steel bar layer 321 and a second steel bar layer 322 in the lining layer 3, the steel bars of the first steel bar layer 321 pass through the web 42 of the connecting member 4, the second steel bar layer 322 is spaced apart from the first steel bar layer 321, and the second steel bar layer 322 is located on the side of the second wing plate 43 away from the first wing plate 41.

[0058] In some specific embodiments, the lining steel bars 32 are formed in a planar manner by staggering the first steel bar layer 321 and the second steel bar layer 322 , and the first steel bar layer 321 and the second steel bar layer 322 are parallel to the wall 1 , the insulation layer 2 or the lining layer 3 .

[0059] The present invention provides a method for constructing a thermal insulation wall, comprising the following steps:

[0060] Cast the wall body 1 with concrete;

[0061] Set the connecting piece 4 on the surface of the wall body 1;

[0062] Paste the thermal insulation layer 2 on the wall body 1 so that part of the connecting piece 4 is buried in the thermal insulation layer 2;

[0063] Construct the lining layer 3 on the thermal insulation layer 2 so that the connecting piece 4 is buried.

[0064] In some specific embodiments, when casting the wall body 1 with concrete, it further includes pre-burying bolts 72 during casting.

[0065] In some specific embodiments, when casting the wall body 1 with concrete, it further includes implanting bolts 72 on the wall body 1 after casting.

[0066] In some specific embodiments, when casting the wall body 1 with concrete, it further includes constructing a polymer mortar leveling layer, a cyanate ester vapor barrier layer and an interface binder on the surface of the wall body 1.

[0067] Specifically, the thickness of the polymer mortar leveling layer is 10 mm.

[0068] Specifically, the thickness of the cyanate ester vapor barrier layer is 0.3 mm.

[0069] In some specific embodiments, when pasting the thermal insulation layer 2 on the wall body 1, it further includes constructing a vapor barrier layer on the surface of the thermal insulation layer 2.

[0070] Specifically, the material of the vapor barrier layer can be high-density polyethylene, and the thickness of the high-density polyethylene is 1 mm.

[0071] In some specific embodiments, when constructing the lining layer 3 on the thermal insulation layer 2, it further includes painting a waterproof layer on the surface of the lining layer 3.

[0072] Specifically, the material of the waterproof layer can be epoxy resin.

[0073] Specifically, the material of the waterproof layer can be polyurethane.

[0074] Specifically, the thickness of the waterproof layer is 0.5 mm.

[0075] The embodiment of the present utility model provides a reservoir, including a pool body for storing cryogenic liquid, and the pool body is formed by the above-mentioned thermal insulation wall.

[0076] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field based on the concept of the present utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should fall within the protection scope determined by the claims.

Claims

1. A thermal insulation wall, characterized in that: include: A wall body (1), wherein the wall body (1) is made of concrete; A heat-insulating layer (2) is arranged on the surface of the wall (1) and is used to reduce heat dissipation and transfer; A lining layer (3) is arranged on the side of the thermal insulation layer opposite to the wall body (1) and is used for contacting a low-temperature medium (5); A connecting piece (4) passes through the thermal insulation layer (2), one end of which is connected to the surface of the wall body (1) and the other end of which extends into the lining layer (3).

2. The thermal insulation wall according to claim 1, characterized in that: The cross section of the connecting member (4) is an I-shape, and the connecting member (4) comprises a first wing plate (41), a web plate (42) and a second wing plate (43), wherein the web plate (42) penetrates the thermal insulation layer (2), the first wing plate (41) is connected to the surface of the wall body (1), and the second wing plate (43) is embedded in the lining layer (3).

3. The thermal insulation wall according to claim 2, characterized in that: The lining layer (3) comprises a lining concrete body (31) and lining steel bars (32); the lining steel bars (32) respectively form a first steel bar layer (321) and a second steel bar layer (322) in the lining layer (3); the steel bars of the first steel bar layer (321) pass through the web (42) of the connecting member (4); the second steel bar layer (322) is spaced apart from the first steel bar layer (321); and the second steel bar layer (322) is located on a side of the second wing plate (43) away from the first wing plate (41).

4. The thermal insulation wall according to claim 2, characterized in that: It also comprises a mounting member (71) embedded in the wall body (1), one side surface of the mounting member (71) being exposed outside the wall body (1), and the end surface of the connecting member (4) close to the wall body (1) being connected to the mounting member (71).

5. The thermal insulation wall according to claim 4, characterized in that: The mounting member (71) is connected to the connecting member (4) via a bolt (72), and the bolt (72) passes through the first wing plate (41) and is threadedly connected to the mounting member (71).

6. The thermal insulation wall according to claim 1, characterized in that: It also comprises a support member (8), wherein the support member (8) is arranged on the thermal insulation layer (2), and the two ends of the support member (8) are respectively connected to the surface of the wall (1) and the lining layer (3) in contact with the thermal insulation layer (2).

7. The thermal insulation wall according to claim 1, characterized in that: The material of the connecting piece (4) is fiber-reinforced plastic.

8. The thermal insulation wall according to claim 1, characterized in that: The material of the thermal insulation layer (2) is a foamed material formed by polyurethane or polystyrene resin.

9. A water reservoir, characterized in that: The invention comprises a tank body for storing cryogenic liquid, wherein the tank body is formed by the thermal insulation wall according to any one of claims 1 to 8.

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