WO2018095217A1 - Adiabatic heat preservation housing, heat preservation container using heat preservation housing, and water heater - Google Patents

Abstract

An adiabatic heat preservation housing comprises a pair of arc-shaped column plates (1), radial sections of which are of a semicircular annular shape. The pair of arc-shaped column plates (1) are disposed opposite to each other to form a hollow cylinder when assembled. Upper and lower covers (2) provided with grooves in inner side surfaces are correspondingly disposed on the two ends of the hollow cylinder. The arc-shaped column plates (1) and the upper and lower covers (2) are all made of adiabatic heat preservation plates (100). Each adiabatic heat preservation plate (100) comprises a vacuum adiabatic plate (11) and a foam material (12) wrapping at least one side surface of the vacuum adiabatic plate (11). Also disclosed are a heat preservation container provided with the heat preservation housing, and a water heater.

Description

 Insulation insulation shell and heat preservation container and water heater using the same

 [0001] The present invention designs an insulated thermal insulation shell and an insulated container and a water heater using the same, and the water heater is an electric water heater or a solar water heater or an air energy water heater or a ground source heat pump water heater.

 Background technique

 [0002] In the prior art, in order to keep the container warm, it is necessary to wrap the foam material around the outer periphery of the container. The disadvantages are as follows: The foamed material has high thermal conductivity, easy to absorb water, is not resistant to corrosion, is not resistant to impact, is not fireproof and is easily damaged, thereby affecting the heat preservation effect and overall shape, and shortening its service life, which is not conducive to energy conservation and environmental protection.

 technical problem

 [0003] The technical problem to be solved by the present invention is to provide an insulated thermal insulation shell with simple structure, good thermal insulation effect and impact resistance, and an insulated container and a water heater using the same.

 Problem solution

 Technical solution

 [0004] In order to solve the above problems, the present invention provides an insulated thermal insulation shell, comprising: a pair of arc-shaped column plates having a semi-circular arc shape in a radial section, the pair of arc-shaped column plates being relatively spliced into a hollow cylinder, An upper and lower end cover having a groove on the inner side surface is disposed at both ends of the hollow cylinder; the curved column plate and the upper and lower end covers are thermal insulation boards, and the heat insulation board comprises: a vacuum insulation board, covering the a foamed material on at least one side of the vacuum insulation panel.

 [0005] The outer side of the foamed material is provided with an aluminum film, or the outer side of the foamed material is coated with a metallic paint.

 [0006] a nonwoven fabric or a glass fiber layer is disposed between the foamed material and the aluminum film; the aluminum film is an aluminized film or an aluminum foil film or an aluminum plastic film; or, the foamed material is coated with the nonwoven fabric or After the glass fiber cloth, a metallic paint is applied.

[0007] The foaming material integrally covers the vacuum insulation panel; the pair of arcuate column plates are oppositely disposed, and the pair of adjacent mating surfaces of the pair of arcuate column plates are respectively provided with protrusions for cooperating with each other And a groove; a protrusion and/or a groove are formed on the upper and lower end faces of the hollow cylinder, and the end faces of the upper and lower end caps are matched with the upper and lower end faces of the hollow cylinder There are protrusions and/or grooves, and the upper and lower end covers are assembled with the hollow cylinders, and the grooves and projections on the corresponding mating surfaces cooperate with each other. [0008] The vacuum insulation panel includes at least two layers of upper and lower laminates.

 [0009] An insulating foam material or a non-woven fabric is disposed between the two layers of vacuum insulation panels.

 [0010] An insulated container comprising a liquid storage tank for storing a liquid, and the above-mentioned heat insulating and heat insulating shell coated on the liquid storage tank.

 [0011] A water heater, comprising: the above insulated container. An electric heating device may be disposed in the liquid storage tank; or a heat exchange tube may be disposed in the liquid storage tank, and the heat exchange tube is connected to the solar heat exchanger or the air energy heat exchanger or the geothermal heat exchanger.

 [0012] Further preferably, a non-woven fabric or a glass fiber layer is disposed between the foamed material and the aluminum film, and the aluminum film is an aluminized film or an aluminum foil film or an aluminum plastic film; or, on the foamed material After coating the non-woven fabric or the glass fiber cloth, a metal lacquer (preferably aluminum lacquer) is applied. Among them, the arrangement of the glass fiber layer can further improve the fireproof performance.

 [0013] The vacuum insulation panel comprises: a core material, an encapsulation film for encapsulating the core material; the encapsulation film is a single sheet, and the upper and lower planes and the left and right sides of the core material are covered by a hot melt connection a side surface, and the end-to-end joint is not on the left and right sides of the core material (the end-to-tail joint is distributed adjacent to one side on the upper or lower plane of the core material, or adjacent to the upper or lower plane of the core material) The edge distribution, or distributed on the edge of the core material, or adjacent to the center of the upper or lower plane of the core material; the extension of the encapsulating film extending out of the front and back sides of the core material after heat sealing , folded and pasted on the front and back sides of the core material.

 [0014] The heat-insulating aluminized film comprises a vacuum laminated aluminum film, a PE film, a pearl cotton and a PE woven cloth. The membrane is flexible and impact resistant, and has the functions of heat insulation and heat preservation.

 [0015] The aluminum plastic film refers to a film formed by a combination of an aluminized film and other plastic films; an aluminized film is formed by vacuum-depositing an aluminum layer such as a crucible or a crucible; and an aluminum foil film is a composite of an aluminum foil and a plastic film. The film is formed. The aluminum plating layer is very thin, the thickness is 300-400 angstroms, and the aluminum foil is about 0.01 mm.

 Advantageous effects of the invention

 Beneficial effect

[0016] The beneficial effects of the present invention are as follows: (1) The heat insulating and heat insulating shell of the present invention is used for forming a closed hollow cylinder to accommodate a liquid storage tank to constitute an insulated container; the foaming material is coated with a vacuum insulation panel to ensure heat preservation. The heat insulation effect, and the foaming material has the protection effect and impact resistance on the vacuum insulation board, and the vacuum insulation board is prevented from being puncture and broken during installation and use; (2) an aluminum film is arranged outside the foam material, or The metal paint is coated on the outer side of the foam material, so that the outer wall of the heat insulating and heat insulating board is strong overall, so that it has impact resistance and resistance. Corrosive, not easy to break characteristics; aluminum film or metal paint fire performance is much better than foam material. At the same time, the aluminum film or the metal lacquer has the property of isolating the heat radiation, so that the heat insulating property of the heat insulating board can be further improved. (3) A non-woven fabric or a glass fiber layer is provided between the foaming material and the aluminum film, wherein In the foamed material of the foamed material, the non-woven fabric or the glass fiber layer is bonded by the adhesive force of the foaming material itself, and the non-woven fabric or the glass fiber layer is bonded with the aluminum film by the glue to ensure the aluminum film is firm. The foamed material is coated; the aluminum film itself has a certain elongation property and is suitable for impact resistance. (4) The vacuum insulation panel consists of at least two layers stacked on top of each other. In the case of failure of one layer of vacuum insulation panels, the other layer can also provide thermal insulation to ensure product reliability.

 Brief description of the drawing

 DRAWINGS

 [0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic cross-sectional structural view of an insulated thermal insulation board of the present invention;

2 is a schematic cross-sectional structural view of a second insulated thermal insulation board of the present invention;

3 is a schematic exploded view of the insulated container of the present invention;

[0021] FIG. 4 is a schematic structural view of a water heater.

Embodiments of the invention

Embodiment 1

 [0023] Referring to FIGS. 1 to 3, the heat insulating and heat insulating case of the embodiment includes: a pair of arc-shaped column plates 1 having a semi-circular arc shape with a radial cross section, and the pair of arc-shaped column plates 1 are relatively spliced into a hollow cylinder. The upper and lower end caps 2 are grooved on the inner side of the hollow cylinder; the arcuate column plate and the upper and lower end caps 2 are insulated thermal insulation boards 100

[0024] The heat insulating board 100 includes: a vacuum heat insulating panel 11, a foaming material 12 covering at least one side of the vacuum heat insulating panel 11, or the foaming material 12 integrally covering the vacuum heat insulating panel 11. The outer side of the foamed material is provided with an aluminum film 13, or the outer side of the foamed material is coated with a metallic paint.

[0025] A nonwoven fabric or a glass fiber layer 14 is disposed between the foamed material 12 and the aluminum film 13, and the aluminum film 13 is an aluminum-plated film or an aluminum foil film or an aluminum plastic film; or, coated on the foamed material. After the non-woven fabric or fiberglass cloth, a metallic paint (preferably aluminum paint) is applied. Among them, the arrangement of the glass fiber layer can further improve the fireproof performance. [0026] The vacuum insulation panel comprises: a core material, a packaged aluminum film for vacuum packaging the core material.

[0027] The pair of arcuate column plates 1 are oppositely disposed, and a pair of adjacent mating faces of the pair of arcuate column plates 1 are respectively provided with protrusions and grooves for cooperating with each other; The upper and lower end faces are provided with protrusions 11 and/or grooves, and protrusions and/or grooves 12 are provided on the end faces of the upper and lower end covers which cooperate with the upper and lower end faces of the hollow cylinders. The upper and lower end caps are assembled with the hollow cylinder, and the grooves and projections on the corresponding mating surfaces cooperate with each other.

[0028] The vacuum insulation panel includes at least two layers laminated on top of each other.

[0029] An insulating foam material or a non-woven fabric is disposed between the two layers of vacuum insulation panels.

 [0030] An insulated container comprising a liquid storage tank for storing a liquid, and the above-mentioned heat insulating and heat insulating shell coated on the liquid storage tank.

 [0031] As shown in FIG. 4, a water heater includes: the above insulated container. An electric heating device may be disposed in the liquid storage tank; or a heat exchange tube may be disposed in the liquid storage tank, and the heat exchange tube is connected to the solar heat exchanger or the air energy heat exchanger or the geothermal heat exchanger.

 It is apparent that the above-described embodiments are merely illustrative of the invention and are not intended to limit the embodiments of the invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations that come within the spirit of the invention are still within the scope of the invention.

Claims

Claim  [Claim 1] A heat insulating and heat insulating casing, comprising: a pair of arcuate column plates having a semicircular arc shape in a radial cross section, wherein the pair of arcuate column plates are oppositely arranged and joined into a hollow cylinder, in the hollow cylinder Both ends of the body are provided with upper and lower end covers with grooves on the inner side;  The curved column plate and the upper and lower end covers are insulated thermal insulation boards, and the heat insulation insulation board comprises: a vacuum insulation board, and a foaming material covering at least one side of the vacuum insulation board.  [Claim 2] The heat insulating and heat insulating case according to claim 1, wherein: the foamed material is provided with an aluminum film on the outer side, or the outer side of the foamed material is coated with a metal paint. [Claim 3] The heat insulating and heat insulating case according to claim 1, wherein: a non-woven fabric or a glass fiber layer is disposed between the foamed material and the aluminum film; and the aluminum film is an aluminized film or an aluminum foil film or The aluminum plastic film or, after coating the foamed material with a non-woven fabric or a glass fiber cloth, is coated with a metallic paint. [Attachment 4] The heat insulating and heat insulating case according to any one of claims 1 to 3, wherein: the foaming material is entirely covered with a vacuum insulation panel;  The pair of arcuate column plates are oppositely disposed, and a pair of adjacent mating surfaces of the pair of arcuate column plates are respectively provided with protrusions and grooves for cooperating with each other;  Provided on the upper and lower end faces of the hollow cylinder with protrusions and/or grooves, and protrusions on the end faces of the upper and lower end covers that cooperate with the upper and lower end faces of the hollow cylinder / or a groove, the upper and lower end caps are assembled with the hollow cylinder, and the grooves and projections on the corresponding mating surfaces cooperate with each other.  [Claim 5] The heat insulating and heat insulating case according to any one of claims 1 to 3, wherein the vacuum heat insulating plate comprises at least two layers of the upper and lower layers. [Claim 6] The heat insulating and heat insulating case according to claim 5, wherein: the heat insulating foaming material or the nonwoven fabric is provided between the two layers of the vacuum heat insulating plates. [Claim 7] An insulated container comprising a liquid storage tank for storing a liquid, characterized by further comprising: the heat insulating and heat insulating case according to claim 5, which is coated on the liquid storage tank. [Claim 8] An insulated container comprising a liquid storage tank for storing a liquid, characterized by further comprising: the heat insulating and heat insulating case according to any one of claims 1 to 3, which is coated on the liquid storage tank . [Claim 9] A water heater comprising: the heat insulating container according to claim 7;  [Claim 10] A water heater, comprising: the heat insulating container according to claim 8.