CN109944477B - Heat preservation node of refrigeration house wire pipe and construction method thereof - Google Patents
Heat preservation node of refrigeration house wire pipe and construction method thereof Download PDFInfo
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- CN109944477B CN109944477B CN201910240708.7A CN201910240708A CN109944477B CN 109944477 B CN109944477 B CN 109944477B CN 201910240708 A CN201910240708 A CN 201910240708A CN 109944477 B CN109944477 B CN 109944477B
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Abstract
The invention relates to a heat preservation node of a wire pipe of a refrigeration house and a construction method thereof, wherein the heat preservation node comprises a mounting hole formed in a heat preservation plate of the refrigeration house; the wire tube penetrates through the mounting hole, a cable penetrates through the wire tube, and a heat insulation layer covers the outer wall of the wire tube at a position corresponding to the mounting hole; and the plugging sealant is filled between the heat insulation layer and the inner wall of the mounting hole. The invention adopts the thermal insulation layer coated on the outer surface of the wire tube and seals the gap by the sealant, thereby ensuring the thermal insulation performance of the wire tube passing through the thermal insulation board and preventing the cold energy of the refrigeration house from dissipating to the outside of the refrigeration house through the wire tube and the mounting hole.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a heat preservation node of a refrigeration house wire pipe and a construction method thereof.
Background
In recent years, with the rapid development of domestic food refrigeration and freezing industry and cold chain logistics industry, steel structure assembled refrigerators are widely popularized in newly-built large and medium-sized refrigerators by virtue of the rapid and efficient construction characteristics of the steel structure assembled refrigerators. The assembled type refrigeration house adopts a steel structure as a main structure, adopts a double-sided metal sandwich heat-insulation plate as a refrigeration house heat-insulation wall, and has the lowest temperature reaching-35 ℃ in the refrigeration house. The pipelines of a large number of electromechanical equipment such as lighting lamps and the like in the cold storage are installed through the heat-insulating wall, and the cold quantity of the cold storage can be dissipated to the outside of the cold storage along the metal pipeline due to the large temperature difference between the inside and the outside of the cold storage, so that the overall heat-insulating performance of the cold storage is reduced. Due to the lack of experience at present in China, the problem that the heat insulation and cold insulation effects of the electromechanical wire tube heat insulation node of the assembly type refrigeration house are still poor when the existing method is used for processing the electromechanical wire tube heat insulation node of the assembly type refrigeration house exists.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a heat preservation node of a wire pipe of a refrigeration house and a construction method thereof, and can solve the problem that the heat insulation and cold insulation effects of the heat preservation node of the wire pipe of the refrigeration house are poor.
The technical scheme for realizing the purpose is as follows:
the invention provides a heat preservation node of a wire pipe of a refrigeration house, which comprises:
the mounting hole is formed in the heat insulation plate of the refrigeration house;
the wire tube penetrates through the mounting hole, a cable penetrates through the wire tube, and a heat insulation layer covers the outer wall of the wire tube at a position corresponding to the mounting hole; and
and the plugging sealant is filled between the heat insulation layer and the inner wall of the mounting hole.
The invention has the advantages that the outer surface of the wire tube is coated with the heat insulation layer and the gap is sealed by the sealant, thereby ensuring the heat insulation and cold insulation performance of the wire tube passing through the heat insulation plate and preventing the cold energy of the refrigeration house from dissipating to the outside of the refrigeration house through the wire tube and the mounting hole.
The invention further improves the heat-insulating node of the wire tube of the refrigeration house, wherein the heat-insulating layer is a rock wool layer.
The heat preservation node of the refrigeration house wire pipe is further improved in that fireproof sealant is filled in the wire pipe close to the two sides of the heat preservation plate.
The further improvement of the heat preservation node of the wire pipe of the refrigeration house is that the side, with higher temperature, of the heat preservation plate is provided with the regional heat insulation block at the mounting hole.
The invention further improves the heat preservation node of the wire pipe of the refrigeration house, wherein the heat preservation plate is a top plate of the refrigeration house;
the both ends of spool are equipped with the external screw thread, just the tip protrusion of spool in the surface that the heated board corresponds, through the nut spiro union the tip of spool supports and leans on in thereby the surface that the heated board corresponds will the spool is fixed in the heated board.
The invention further improves the heat preservation node of the wire tube of the refrigeration house, and the heat preservation node also comprises a junction box arranged on the upper side of the heat preservation plate, the bottom of the junction box is provided with a through hole for the wire tube to pass through, and a nut positioned on the upper side of the heat preservation plate is arranged in the junction box and is abutted against the upper surface of a bottom plate of the junction box, so that the junction box is fixedly connected with the wire tube.
The heat preservation node of the wire tube of the refrigeration house is further improved in that the side part of the junction box is also connected with other cable pipelines, a regional heat insulation block is arranged on the heat preservation plate, and the regional heat insulation block is wrapped on the junction box and the outer surfaces of the junction box and the other cable pipelines.
The invention further improves the heat preservation node of the refrigeration house wire tube, and the heat preservation node further comprises electrical equipment arranged below the heat preservation plate and a connecting piece for connecting the electrical equipment, wherein the lower end of the connecting piece is fixedly connected with the electrical equipment, a horizontal plate is formed at the upper end of the connecting piece, a connecting hole for the wire tube to pass through is formed in the horizontal plate, and a nut positioned on the lower side of the heat preservation plate is abutted against the lower surface of the horizontal plate, so that the connecting piece is fixedly connected with the wire tube.
The invention further improves the heat preservation node of the wire pipe of the refrigeration house, wherein the heat preservation plate is a wall plate of the refrigeration house;
the length of the line pipe and the length of the heat insulation layer are both larger than the thickness of the heat insulation plate.
The invention also provides a construction method of the heat preservation node of the refrigeration house line pipe, which comprises the following steps:
arranging a mounting hole on the heat insulation plate of the refrigeration house;
providing a cable, a line pipe and a heat insulation layer, penetrating the cable into the line pipe, covering the heat insulation layer on the outer wall of the line pipe, and penetrating the line pipe into the mounting hole to enable the heat insulation layer to be located at the position of the mounting hole; and
and providing a plugging sealant, and filling the plugging sealant between the heat insulation layer and the inner wall of the mounting hole.
Drawings
FIG. 1 is a schematic structural diagram of a heat preservation node of a wire pipe of a refrigeration house and a construction method thereof at a top plate of the refrigeration house.
FIG. 2 is a schematic structural diagram of the heat preservation node of the line pipe of the refrigeration house and the construction method thereof at the position of the wall plate of the refrigeration house.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a thermal insulation node of a wire tube of a refrigeration house, which has better thermal insulation effect and prevents the cold energy of the refrigeration house from dissipating to the outside of the refrigeration house through the wire tube and an installation hole. The heat preservation node of the wire tube of the refrigeration house of the invention is explained below with reference to the attached drawings.
As shown in fig. 1 and 2, the thermal insulation node of the line pipe of the refrigeration house of the invention comprises: the insulation board comprises a mounting hole arranged on the insulation board of the refrigeration house, a wire tube 10 which is arranged in the mounting hole in a penetrating manner and is internally provided with a cable 90 in a penetrating manner, and a heat insulation layer 11 which is arranged on the outer wall of the wire tube and corresponds to the position of the mounting hole; and the plugging sealant 12 is filled between the heat insulation layer and the inner wall of the mounting hole. Wherein, insulating layer 11 is the rock wool layer.
Preferably, the positions close to the two sides of the insulation board 91 in the conduit 10 are filled with fireproof sealant 101. The higher side of heated board 91 temperature is located mounting hole department and is equipped with regional heat insulating block 20, because this heated board 91 is applied to the freezer, and its one side that is close to the freezer is the lower side of temperature, and is close to the outdoor one side of freezer and is the higher side of temperature.
In the first embodiment, as shown in fig. 1, the heat-insulating plate 91 is a ceiling plate of a refrigerator, and the line pipe 10 is vertically arranged.
The two ends of conduit 10 are provided with external threads, the end part of conduit 10 protrudes out of the corresponding surface of insulation board 91, and nut 131 is screwed on the end part of conduit 10 and abuts against the corresponding surface of insulation board 91, so that conduit 10 is fixed on insulation board 91. Preferably, a gasket 132 is further arranged between the surface of the insulation board 91 and the nut 131, the gasket 132 is attached to the surface of the insulation board 91, the length of the gasket 132 is larger than the diameter of the installation hole, the contact area between the gasket 132 and the insulation board 91 is increased, and the function of protecting the surface of the wallboard is achieved.
In this embodiment, the end of the thermal insulation layer 11, the end of the sealing glue 12 and the end of the fireproof sealing glue 101 are flush with the corresponding surface of the thermal insulation board 91, and the gaps in the mounting hole are completely blocked by the thermal insulation layer 11, the sealing glue 12 and the fireproof sealing glue 101, so that a better thermal insulation and cold insulation effect is achieved.
The upside of heated board 91 is equipped with terminal box 93, and on gasket 132 was arranged in to terminal box 93, and the through-hole that supplies spool 10 to pass was seted up to the bottom of terminal box 93, and the nut 131 that is located heated board 91 upside locates in terminal box 93 and supports the upper surface that leans on in the bottom plate of terminal box 93 to with terminal box 93 and spool 10 fixed connection. The other cable duct 92 is connected to the side of the terminal box 93, and preferably, the end of the other cable duct 92 close to the terminal box 93 is filled with the heat insulating sealant 14.
The block 20 is disposed on the board 91, and the junction box 93 and the junction of the junction box 93 and the other cable duct 92 are both located in the block 20.
An electrical device 94 is disposed below the heat insulation board 91, and in the present embodiment, the electrical device 94 is a ceiling lamp. The electrical equipment 94 is connected to the conduit 10 by a connector 15. the connector 15 is a C-shaped member including a pair of horizontal plates and side plates attached to the sides of the horizontal plates. The horizontal plate at the lower end of the connector 15 is fixedly connected to the electrical equipment 94 by bolts 151. The horizontal plate on the upper end of the connecting piece 15 is provided with a connecting hole for the line tube 10 to pass through, and the nut on the lower side of the heat insulation plate 91 abuts against the lower surface of the horizontal plate, so that the connecting piece 15 is fixedly connected with the line tube 10.
Preferably, the lower end of conduit 10 is also connected to a hose 17 through a connector, and cables for supplying power to electrical equipment 94 are arranged in hose 17, and the connection between the cables of the electrical equipment and the cables in the conduit is protected through the arrangement of hose 17.
Preferably, the length of the external threads at both ends of conduit 10 is greater than or equal to 30 mm; the gasket positioned at the upper end of the wire pipe adopts a stainless steel round gasket with the diameter of 150mm and the thickness of 5mm, and the gasket positioned at the lower end of the wire pipe adopts a stainless steel round gasket with the diameter of 100mm and the thickness of 5 mm; the fireproof sealant 101 is formed by mixing fireproof cement gum and sealant, the length of the fireproof sealant positioned at the upper end of the line pipe is more than or equal to 80mm, and the length of the fireproof sealant positioned at the upper end of the line pipe is more than or equal to 50 mm; the regional heat insulation block 20 is an aluminum alloy box body filled with polyurethane foam of more than B1 grade, and the box body has a length of more than or equal to 500mm, a width of more than or equal to 150mm, a height of more than or equal to 100mm and a wall thickness of 0.3 mm.
In a second embodiment, as shown in fig. 2, the insulation board 91 is a wall board of a refrigerator, and the line pipe 10 is horizontally arranged. In the figure, the right side is the inside of the refrigerator and the left side is the outside of the refrigerator.
The length of spool 10 and the length of insulating layer 11 all are greater than the thickness of heated board 91, and the tip of insulating layer 11 is protruding to stretch out the surface that insulating wall 91 corresponds, and is located the sealed 12 parcel insulating layer 11 tip of shutoff that insulating board 91 is close to the inside one side of freezer, and is located insulating wall 91 and is close to another tip of regional insulating block 20 parcel insulating layer 11 of freezer outside one side.
Preferably, the regional heat insulation block 20 is a UPVC sleeve filled with polyurethane foam of more than B1 grade, the length of the sleeve is greater than or equal to 500mm, the diameter of the sleeve is greater than or equal to 100mm, and the central axis of the sleeve is aligned with the central axis of the conduit.
The construction method of the insulation node of the refrigeration house line pipe of the invention is explained below with reference to the attached drawings.
As shown in fig. 1 and 2, the construction method of the heat preservation node of the refrigeration house line pipe comprises the following steps:
the insulation board 91 of the freezer is provided with a mounting hole.
The cable 90, the conduit 10, and the heat insulating layer 11 are provided, the cable 90 is inserted into the conduit 10, the heat insulating layer 11 is applied to the outer wall of the conduit 10, and then the conduit 10 is inserted into the mounting hole so that the heat insulating layer 11 is located at the position of the mounting hole. Wherein, insulating layer 11 is the rock wool layer.
And providing a plugging sealant 12, and filling the plugging sealant 12 between the heat insulation layer 11 and the inner wall of the mounting hole.
A fire-proof sealant 101 is provided, and the fire-proof sealant 101 is filled in the conduit 10 at positions close to both sides of the heat-insulating board 91.
The block 20 is provided, and the block 20 is disposed at the mounting hole on the side where the temperature of the heat insulating plate 91 is high.
In the first embodiment, as shown in fig. 1, the heat insulation board 91 is a top plate of a refrigerator, and the conduit 10 is vertically arranged, and the construction method further includes the following steps:
set up the external screw thread at the both ends of spool 10, and when wearing to locate the mounting hole with spool 10, make the tip protrusion in the surface that heated board 91 corresponds of spool 10, and then through nut 131 spiro union in the tip of spool 10 and support and lean on the surface that heated board 91 corresponds thereby be fixed in heated board 91 with spool 10. Preferably, a gasket 132 is further provided, and the gasket 132 is arranged between the nut 131 and the surface of the heat insulation board 91, so that the gasket 132 is attached to the surface of the heat insulation board 91, and because the length of the gasket 132 is greater than the diameter of the mounting hole, the contact area with the heat insulation board 91 is increased by the gasket 132, and the function of protecting the surface of the heat insulation board is achieved.
Providing a junction box 93, arranging the junction box 93 on the upper side of the heat insulation plate 91 and on the gasket 132, forming a through hole for the wire tube 10 to pass through at the bottom of the junction box 93, arranging a nut 131 positioned on the upper side of the heat insulation plate 91 in the junction box 93 and abutting against the upper surface of a bottom plate of the junction box 93, and fixedly connecting the junction box 93 with the wire tube 10. And connecting the sides of terminal box 93 to other cable ducts 92, and preferably also filling the ends of other cable ducts 92 near terminal box 93 with insulating sealant 14.
When the block 20 is installed, the block 20 is installed on the heat-insulating board 91, and the terminal box 93 and the connection point between the terminal box 93 and another cable duct 92 are located in the block 20.
An electrical device 94 is provided, and the electrical device 94 is provided below the heat-insulating board 91, and in the present embodiment, the electrical device 94 is a ceiling lamp. A connector 15 is provided, the connector 15 being a C-shaped member including a pair of horizontal plates and side plates attached to the sides of the horizontal plates, the electrical equipment 94 being connected to the conduit 10 by the connector 15. The horizontal plate at the lower end of the connector 15 is fixedly connected to the electrical equipment 94 by bolts 151. A horizontal plate at the upper end of the connecting piece 15 is provided with a connecting hole for the conduit 10 to pass through, and a nut at the lower side of the heat insulation plate 91 is abutted against the lower surface of the horizontal plate, so that the connecting piece 15 is fixedly connected with the conduit 10.
Preferably, a hose 17 is also provided, in which a cable for supplying power to the electrical equipment 94 is inserted, and the hose 17 is connected to the lower end of the conduit 10 by a connector, and the connection of the cable of the electrical equipment to the cable in the conduit is protected by the arrangement of the hose 17.
In a second embodiment, as shown in fig. 2, the insulation board 91 is a wall board of a refrigerator, and the line pipe 10 is horizontally arranged. In the figure, the right side is the inside of the refrigerator and the left side is the outside of the refrigerator. The construction method also comprises the following steps:
the length of the line pipe 10 and the length of the heat insulating layer 11 are both designed to be larger than the thickness of the heat insulating plate 91. When the line pipe 10 is inserted into the installation hole, the end of the thermal insulation layer 11 protrudes out of the surface corresponding to the thermal insulation wall 91. And when the plugging sealant 12 is filled, the plugging sealant 12 positioned on one side of the heat insulation board 91 close to the interior of the refrigeration house wraps the end part of the heat insulation layer 11. When the block 20 is installed, the block 20 located on the side of the thermal insulation wall 91 close to the outside of the refrigerator is wrapped around the other end of the thermal insulation layer 11.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (5)
1. The utility model provides a heat preservation node of freezer spool, the roof of freezer are heated board, its characterized in that includes:
the mounting hole is formed in the heat insulation plate;
the wire tube penetrates through the mounting hole, a cable penetrates through the wire tube, a heat insulation layer covers the outer wall of the wire tube at a position corresponding to the mounting hole, external threads are arranged at two ends of the wire tube, the end part of the wire tube protrudes out of the surface corresponding to the heat insulation plate, and the wire tube is screwed on the end part of the wire tube through a nut and abuts against the surface corresponding to the heat insulation plate so as to be fixed on the heat insulation plate;
the plugging sealant is filled between the heat insulation layer and the inner wall of the mounting hole;
the terminal box is arranged on the upper side of the insulation board, a through hole for the wire tube to pass through is formed in the bottom of the terminal box, a nut located on the upper side of the insulation board is arranged in the terminal box and abuts against the upper surface of a bottom plate of the terminal box, so that the terminal box is fixedly connected with the wire tube, and other cable pipelines are connected to the side portion of the terminal box; and
and the regional heat insulation block is arranged on the upper side of the heat insulation plate and wraps the junction box and the outer surfaces of the junctions of the junction box and other cable ducts.
2. The insulation node for the line tube of the refrigeration house according to claim 1, wherein the insulation layer is a rock wool layer.
3. The insulation node of the line pipe of the refrigeration house according to claim 1, wherein the positions, close to the two sides of the insulation board, in the line pipe are filled with fireproof sealant.
4. The insulation node of the wire tube of the refrigeration house according to claim 1, further comprising an electrical device and a connecting piece for connecting the electrical device, wherein the electrical device is arranged below the insulation board, the lower end of the connecting piece is fixedly connected with the electrical device, a horizontal plate is formed at the upper end of the connecting piece, a connecting hole for the wire tube to pass through is formed in the horizontal plate, and a nut located on the lower side of the insulation board abuts against the lower surface of the horizontal plate, so that the connecting piece is fixedly connected with the wire tube.
5. The construction method of the heat preservation node of the line pipe of the refrigeration house according to claim 1, characterized by comprising the following steps:
arranging a mounting hole on the insulation board;
providing a cable, a line pipe and a heat insulation layer, penetrating the cable into the line pipe, covering the heat insulation layer on the outer wall of the line pipe, and penetrating the line pipe into the mounting hole to enable the heat insulation layer to be located at the position of the mounting hole;
providing a junction box, arranging the junction box on the upper side of the heat-insulation plate, placing the junction box in the junction box through a nut and screwing the junction box on the end part of the wire pipe so as to abut against the upper surface of the bottom plate of the junction box and the surface corresponding to the heat-insulation plate, and fixing the wire pipe on the heat-insulation plate;
providing a plugging sealant, and filling the plugging sealant between the heat insulation layer and the inner wall of the mounting hole;
providing other cable ducts, connecting the other cable ducts to the side of the junction box;
providing an area heat insulation block, and arranging the area heat insulation block on the upper side of the heat insulation plate and wrapping the junction box and the outer surfaces of the junctions of the junction box and other cable ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910240708.7A CN109944477B (en) | 2019-03-28 | 2019-03-28 | Heat preservation node of refrigeration house wire pipe and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910240708.7A CN109944477B (en) | 2019-03-28 | 2019-03-28 | Heat preservation node of refrigeration house wire pipe and construction method thereof |
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| Publication Number | Publication Date |
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| CN109944477A CN109944477A (en) | 2019-06-28 |
| CN109944477B true CN109944477B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910240708.7A Active CN109944477B (en) | 2019-03-28 | 2019-03-28 | Heat preservation node of refrigeration house wire pipe and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1105105A (en) * | 1978-10-05 | 1981-07-14 | Donald W. Abrams | Air-tight sealing grommet for electrical cables |
| EP1236942A1 (en) * | 2001-02-21 | 2002-09-04 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Isolation of a wall penetration |
| CN202834424U (en) * | 2012-09-27 | 2013-03-27 | 唐山市热力总公司 | Waterproof, warm-keeping and corrosion-proof structure of building heat supply through-wall pipeline |
| JP2013209844A (en) * | 2012-03-30 | 2013-10-10 | Mirai Ind Co Ltd | Wiring/piping device, wiring/piping material installation structure, and installation method of pipe connection body and heat insulation material for disposing wiring/piping material |
| CN207994540U (en) * | 2017-11-24 | 2018-10-19 | 中船黄埔文冲船舶有限公司 | A kind of cable penetration sealing structure suitable for freezer wall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8789239B2 (en) * | 2011-05-25 | 2014-07-29 | James Stewart | Sleeve installation system and method |
-
2019
- 2019-03-28 CN CN201910240708.7A patent/CN109944477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1105105A (en) * | 1978-10-05 | 1981-07-14 | Donald W. Abrams | Air-tight sealing grommet for electrical cables |
| EP1236942A1 (en) * | 2001-02-21 | 2002-09-04 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Isolation of a wall penetration |
| JP2013209844A (en) * | 2012-03-30 | 2013-10-10 | Mirai Ind Co Ltd | Wiring/piping device, wiring/piping material installation structure, and installation method of pipe connection body and heat insulation material for disposing wiring/piping material |
| CN202834424U (en) * | 2012-09-27 | 2013-03-27 | 唐山市热力总公司 | Waterproof, warm-keeping and corrosion-proof structure of building heat supply through-wall pipeline |
| CN207994540U (en) * | 2017-11-24 | 2018-10-19 | 中船黄埔文冲船舶有限公司 | A kind of cable penetration sealing structure suitable for freezer wall |
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| CN109944477A (en) | 2019-06-28 |
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