CN215258572U

CN215258572U - PVDF heat preservation shell that VOC volatility is low

Info

Publication number: CN215258572U
Application number: CN202120776601.7U
Authority: CN
Inventors: 邹元杰
Original assignee: Shanghai Sylolink Material Technology Co ltd
Current assignee: Shanghai Sylolink Material Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-21
Anticipated expiration: 2031-04-16

Abstract

The utility model belongs to the technical field of the PVDF heat preservation shell, especially, be a PVDF heat preservation shell that VOC volatility is low, including the heat preservation casing, the surface of heat preservation casing is provided with the inoxidizing coating, the inside of heat preservation casing is provided with the insulating layer, the inboard of insulating layer is provided with the heat preservation, the inboard of heat preservation is provided with the anticorrosive coating, the inboard of anticorrosive coating is provided with interior casing. Housing material in this device is through using the stable few volatile PVDF material of composition, and in the shaping, through polymer foaming shaping, inside can produce porous structure in the shaping to can be fine play hydrophobic oleophobic, the dampproofing effect that does not absorb water of mould proof, be difficult for breeding the bacterium, increase security and the protectiveness in the use, PVDF has the effect of environmental protection, chemical corrosion resistance, high temperature resistant, anti-oxidation, weather resistant, resistant ultraviolet ray, resistant radiation.

Description

PVDF heat preservation shell that VOC volatility is low

Technical Field

The utility model belongs to the technical field of the PVDF heat preservation shell, concretely relates to PVDF heat preservation shell that VOC volatility is low.

Background

Since the advent of polyurethane synthetic materials in the thirty years, polyurethane insulation pipe shells have been developed rapidly as an excellent heat insulation material, and have become more and more extensive in application range, and are also widely used in various pipelines for heating, refrigeration, oil transportation, steam transportation and the like due to simple construction and remarkable energy-saving and corrosion-resistant effects. It is used for various pipelines for heating, refrigerating, oil and gas transportation.

Along with present people to the focus on in the life with attach value constantly increases, people are also increasing to the different demands in the life, along with the increase of urban population, people's water consumption in the life constantly increases, thereby in winter because the temperature low water receives very easily to be frozen in the pipeline by the temperature influence, so people and constructor can be at pipeline surface mounting insulating casing usually in winter, thereby protect pipeline and inside water source, the production and the breed of the reduction bacterium that present ordinary insulating casing can not be fine when using.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a PVDF heat preservation shell that VOC volatility is low has solved the production of the reduction bacterium that present ordinary heat preservation shell can not be fine when using and has multiplied the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PVDF heat preservation shell that VOC volatility is low, includes the heat preservation casing, the surface of heat preservation casing is provided with the inoxidizing coating, the inside of heat preservation casing is provided with the insulating layer, the inboard of insulating layer is provided with the heat preservation, the inboard of heat preservation is provided with the anticorrosive coating, the inboard of anticorrosive coating is provided with interior casing.

Preferably, the protective layer comprises a modified epoxy resin layer, and a POM polyoxymethylene layer is arranged on the inner side of the modified epoxy resin layer.

Preferably, the heat insulation layer comprises a polymer polypropylene layer, and a polyurethane layer is arranged on the inner side of the polymer polypropylene layer.

Preferably, the heat preservation layer comprises a phenolic resin layer, and a polyphenyl layer is arranged on the inner side of the phenolic resin layer.

Preferably, the anticorrosive layer comprises a vinyl ester layer, and an acrylic acid layer is arranged on the inner side of the vinyl ester layer.

Compared with the prior art, the beneficial effects of the utility model are that:

housing material in this device is through using the stable few volatile PVDF material of composition, and in the shaping, through polymer foaming shaping, inside can produce porous structure in the shaping to can be fine play hydrophobic oleophobic, the dampproofing effect that does not absorb water of mould proof, be difficult for breeding the bacterium, increase security and the protectiveness in the use, PVDF has the effect of environmental protection, chemical corrosion resistance, high temperature resistant, anti-oxidation, weather resistant, resistant ultraviolet ray, resistant radiation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a first three-dimensional structure diagram of the present invention;

FIG. 2 is an internal structure view of the heat-insulating casing of the present invention;

FIG. 3 is a cross-sectional structural view of the protective layer of the present invention;

FIG. 4 is a sectional structure view of the thermal insulation layer of the present invention;

FIG. 5 is a cross-sectional structural view of the heat insulating layer of the present invention;

fig. 6 is a cross-sectional structure view of the corrosion protection layer of the present invention.

In the figure: 1, a heat preservation shell; 11 a protective layer; 12 heat insulation layer; 13 an insulating layer; 14 an inner shell; 15 an anticorrosive layer; 111 a modified epoxy resin layer; 112POM polyoxymethylene layer; 121 high polymer polypropylene fiber layer; 122 a polyurethane layer; 131 phenolic resin layer; a 132 poly-benzene layer; 151 vinyl ester layer; 152 acrylic acid layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a PVDF heat preservation shell that VOC volatility is low, including heat preservation housing 1, heat preservation housing 1's surface is provided with inoxidizing coating 11, heat preservation housing 1's inside is provided with insulating layer 12, insulating layer 12's inboard is provided with heat preservation 13, heat preservation 13's inboard is provided with anticorrosive coating 15, anticorrosive coating 15's inboard is provided with interior casing 14, when the inoxidizing coating 11 through setting up increases to protect the pipeline again, increase outside protectiveness and wearability, reduce the influence of external environment to heat preservation housing 1, thereby can reduce the outside temperature and transmit inside influence heat preservation effect when protecting heat preservation housing 1 through the insulating layer 12 that sets up, heat preservation 13 through setting up increases the heat preservation effect to heat preservation housing 1, reduce the influence that the inner wall received when protecting through anticorrosive coating 15 that sets up.

Specifically, the protective layer 11 includes a modified epoxy resin layer 111, a POM polyoxymethylene layer 112 is disposed on the inner side of the modified epoxy resin layer 111, and the modified epoxy resin layer 111 and the POM polyoxymethylene layer 112 can increase the protection performance and the wear resistance of the outside when the shell is used, thereby reducing the damage to the outside.

Specifically, insulating layer 12 is including polymer polypropylene fibre layer 121, and polymer polypropylene fibre layer 121's inboard is provided with polyurethane layer 122, can increase the isolation to outside temperature when keeping warm through polymer polypropylene fibre layer 121, the polyurethane layer 122 that set up, reduces outside temperature and invades inside when crossing excessively to influence inside heat preservation effect.

Specifically, heat preservation 13 is provided with polyphenyl layer 132 including phenolic resin layer 131, phenolic resin layer 131's inboard, and phenolic resin layer 131, polyphenyl layer 132 through setting up are convenient when carrying out protective housing, reduce inside temperature outdiffusion, increase the reserve volume of inside temperature to can protect inside temperature well.

Specifically, anticorrosive coating 15 is provided with acrylic acid layer 152 including vinyl layer 151, vinyl 151's inboard, and vinyl layer 151, acrylic acid layer 152 through setting up make things convenient for when the protective pipe way, reduce the inner wall and corroded by the heat on the pipeline to and increase the rust-resistant quality on the inner wall, reduce the inner wall and receive the damage.

In summary, the following steps: housing material in this device is through using the stable few volatile PVDF material of composition, and in the shaping, through polymer foaming shaping, inside can produce porous structure in the shaping to can be fine play hydrophobic oleophobic, the dampproofing effect that does not absorb water of mould proof, be difficult for breeding the bacterium, increase security and the protectiveness in the use, PVDF has the effect of environmental protection, chemical corrosion resistance, high temperature resistant, anti-oxidation, weather resistant, resistant ultraviolet ray, resistant radiation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PVDF heat preservation shell that VOC volatility is low, includes heat preservation casing (1), its characterized in that: the surface of heat preservation casing (1) is provided with inoxidizing coating (11), the inside of heat preservation casing (1) is provided with insulating layer (12), the inboard of insulating layer (12) is provided with heat preservation (13), the inboard of heat preservation (13) is provided with anticorrosive coating (15), the inboard of anticorrosive coating (15) is provided with interior casing (14).

2. The low VOC PVDF insulation shell of claim 1, wherein: the protective layer (11) comprises a modified epoxy resin layer (111), and a POM polyformaldehyde layer (112) is arranged on the inner side of the modified epoxy resin layer (111).

3. The low VOC PVDF insulation shell of claim 1, wherein: the heat insulation layer (12) comprises a high polymer polypropylene layer (121), and a polyurethane layer (122) is arranged on the inner side of the high polymer polypropylene layer (121).

4. The low VOC PVDF insulation shell of claim 1, wherein: the heat preservation layer (13) comprises a phenolic resin layer (131), and a polyphenyl layer (132) is arranged on the inner side of the phenolic resin layer (131).

5. The low VOC PVDF insulation shell of claim 1, wherein: the anticorrosive coating (15) comprises a vinyl ester layer (151), and an acrylic acid layer (152) is arranged on the inner side of the vinyl ester layer (151).