CN219841166U - Safe heat-insulating type inner and outer hot dip galvanized steel pipe - Google Patents
Safe heat-insulating type inner and outer hot dip galvanized steel pipe Download PDFInfo
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- CN219841166U CN219841166U CN202222703029.9U CN202222703029U CN219841166U CN 219841166 U CN219841166 U CN 219841166U CN 202222703029 U CN202222703029 U CN 202222703029U CN 219841166 U CN219841166 U CN 219841166U
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- China
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- layer
- steel pipe
- wall
- hot dip
- dip galvanized
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- 229910001335 Galvanized steel Inorganic materials 0.000 title claims abstract description 23
- 239000008397 galvanized steel Substances 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000007747 plating Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 108
- 238000005260 corrosion Methods 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 abstract description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003063 flame retardant Substances 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a safe heat-insulating inner and outer hot dip galvanized steel pipe, which belongs to the technical field of hot dip galvanized steel pipes and comprises the following components: the steel pipe body, the outer wall of steel pipe body is provided with the insulating layer that has better thermal-insulated effect, the inner wall of steel pipe body is provided with the inoxidizing coating that can prolong the life of steel pipe, the insulating layer includes first hot galvanizing layer, the chrome plating layer has been paintd to the outer wall on first hot galvanizing layer, the outer wall on chrome plating layer bonds there is thermal-insulated cotton layer, thermal-insulated cotton layer's outer wall bonds there is the flame retardant coating, the outer wall on flame retardant coating is provided with the explosion-proof layer, the outer wall on explosion-proof layer is provided with the wearing layer, the inoxidizing coating includes second hot galvanizing layer, the inner wall on second hot galvanizing layer is provided with the anticorrosive coating, the inner wall on anticorrosive coating bonds there is the skid resistant course. Therefore, the surface of the pipeline can be prevented from being worn, the outer galvanized layer is prevented from being worn, the heat loss is reduced, and a good heat insulation effect is achieved on the steel pipe.
Description
Technical Field
The utility model relates to a hot dip galvanized steel pipe, in particular to a safe heat-insulating inner and outer hot dip galvanized steel pipe, and belongs to the technical field of hot dip galvanized steel pipes.
Background
The hot dip galvanized steel pipe is a steel pipe in which general steel pipes are galvanized in order to improve corrosion resistance of the steel pipe. The galvanized layer of the hot dip galvanized steel pipe is thick, and the hot dip galvanized steel pipe is formed by reacting molten metal with an iron matrix to generate an alloy layer, so that the matrix and the coating are combined. The hot galvanizing is to firstly acid-wash the steel pipe, to remove ferric oxide on the surface of the steel pipe, wash the steel pipe by an ammonium chloride or zinc chloride aqueous solution or a mixed aqueous solution tank of ammonium chloride and zinc chloride after acid washing, and then send the steel pipe into a hot dip plating tank. The galvanization can increase the corrosion resistance of the steel pipe and prolong the service life. The galvanized pipe has wide application, and can be used as a pipeline pipe for common low-pressure fluid such as water, gas, oil and the like, and also used as an oil well pipe and an oil pipeline of petroleum industry, particularly an oil well pipe of an ocean oil field, a pipe for an oil heater, a condensation cooler and a coal distillation wash oil exchanger of chemical coking equipment, a pipe for a trestle pipe pile and a support frame of a mine tunnel and the like.
The existing hot dip galvanized steel pipe has certain defects when in use, most protective layers are arranged more singly, when the steel pipe is not provided with a wear-resistant layer, the surface of the pipeline is easy to wear, the steel pipe is lack of a heat insulation layer, the heat of liquid in the pipeline is evaporated, the heat dissipation is increased, when the steel pipe is lack of an anti-corrosion layer, the steel pipe is inconvenient to use in rainy days, when the steel pipe is water, the steel pipe is easy to rust and corrode, the use effect is affected, and because the steel pipe is not provided with an anti-fire layer and an anti-explosion layer, certain potential safety hazards exist when in use, when unexpected explosion happens, the steel pipe has low fire tolerance and lacks impact resistance, the explosion of the inside of the steel pipe is easy to occur, the service life of the steel pipe is reduced, and certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a safe heat-insulating inner and outer hot dip galvanized steel pipe, which can improve the service life of the steel pipe and solve the technical problem in the prior art.
In order to solve the problems, the following technical scheme is provided:
the safe heat-insulating inner and outer hot dip galvanized steel pipe comprises a steel pipe body, wherein a heat-insulating layer with a good heat-insulating effect is arranged on the outer wall of the steel pipe body, and a protective layer capable of prolonging the service life of the steel pipe is arranged on the inner wall of the steel pipe body.
Further, the insulating layer includes a hot galvanizing coat, the outer wall on first hot galvanizing coat has been paintd the chromium coating, the outer wall on chromium coating bonds there is the thermal-insulated cotton layer, the outer wall on thermal-insulated cotton layer bonds there is the flame retardant coating, the outer wall on flame retardant coating is provided with the explosion-proof layer, the outer wall on explosion-proof layer is provided with the wearing layer.
Further, the protective layer comprises a second hot galvanizing layer, an anti-corrosion layer is arranged on the inner wall of the second hot galvanizing layer, and an anti-slip layer is bonded on the inner wall of the anti-corrosion layer.
Further, a plurality of reinforced ribs are arranged on the inner wall surface of the steel pipe body.
Further, the first hot dip galvanizing layer is adhered to the outer wall of the steel pipe body, and the second hot dip galvanizing layer is adhered to the inner wall of the steel pipe body.
Further, the heat insulation cotton layer is composed of aluminum foil and closed-pore foaming sponge, the fireproof layer is made of polyvinyl chloride resin, and the wear-resistant layer is made of rubber.
Furthermore, the anticorrosive layer is an epoxy powder anticorrosive waterproof paint taking epoxy resin as a main material.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the wear-resistant layer and the heat-insulating cotton layer are arranged, so that the wear-resistant layer has high wear resistance and good impact property, the surface of a pipeline can be prevented from being worn, the outer galvanized layer is prevented from being worn, the heat-insulating cotton layer has good temperature resistance, the heat of liquid in the pipeline can be isolated, and the heat dissipation is reduced.
2. According to the utility model, the corrosion-resistant layer, the fireproof layer and the explosion-proof layer are arranged, so that the corrosion-resistant layer can prevent the steel pipe from being corroded, the steel pipe is prevented from being rusted and corroded when water enters the steel pipe, the service life of the steel pipe is prolonged, the fireproof layer is formed by coating fireproof paint on the surface of the steel pipe, the fireproof limit of the steel pipe can be improved due to the fact that the fireproof coating is fireproof and low in heat conductivity when the fireproof coating meets fire, the fireproof time of the steel pipe can be prolonged, the explosion-proof layer can effectively prevent the possibility of explosion inside the steel pipe, and particularly safety guarantee can be achieved when inflammable substances such as oil liquid are conveyed.
Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the whole of a safe heat-insulating inner and outer hot dip galvanized steel pipe according to the utility model;
FIG. 2 is a schematic cross-sectional view of a thermal insulation layer of a safe heat-insulating inner and outer hot dip galvanized steel pipe according to the utility model;
fig. 3 is a schematic cross-sectional view of a protective layer of a safe heat-insulating inner and outer hot dip galvanized steel pipe according to the utility model.
In the figure: 1. a steel pipe body; 2. a thermal insulation layer; 21. a first hot dip zinc coating; 22. a chromium plating layer; 23. a heat insulation cotton layer; 24. a fire-blocking layer; 25. an explosion-proof layer; 26. a wear-resistant layer; 3. a protective layer; 31. a second hot dip zinc coating; 32. an anti-corrosion layer; 33. an anti-slip layer.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, the safe heat-insulating inner and outer hot dip galvanized steel pipe provided by the embodiment comprises a steel pipe body 1, wherein a heat-insulating layer 2 with a good heat-insulating effect is arranged on the outer wall of the steel pipe body 1, and a protective layer 3 capable of prolonging the service life of the steel pipe is arranged on the inner wall of the steel pipe body 1.
Preferably, the insulating layer 2 includes first hot galvanizing layer 21, chromium plating layer 22 has been paintd to the outer wall of first hot galvanizing layer 21, the outer wall bonding of chromium plating layer 22 has thermal-insulated cotton layer 23, thermal-insulated cotton layer 23's outer wall bonding has flame retardant coating 24, flame retardant coating 24 can improve the fire endurance of steel pipe, can prolong steel construction's fire prevention time, flame retardant coating 24's outer wall is provided with explosion-proof layer 25, explosion-proof layer 25 can effectively prevent the inside possibility that explodes of steel pipe, explosion-proof layer 25's outer wall is provided with wearing layer 26, wearing layer 26 has very high wearing and tearing performance, better impact property, can prevent pipeline surface wearing and tearing, avoid outer galvanized layer wearing and tearing.
Preferably, the protective layer 3 comprises a second hot galvanizing layer 31, an anti-corrosion layer 32 is arranged on the inner wall of the second hot galvanizing layer 31, an anti-slip layer 33 is adhered on the inner wall of the anti-corrosion layer 32, and the anti-slip layer 33 can prevent the steel pipe from sliding off.
Preferably, a plurality of reinforced ribs are arranged on the inner wall surface of the steel pipe body 1.
Preferably, the first hot dip galvanizing layer 21 is adhered to the outer wall of the steel pipe body 1, the second hot dip galvanizing layer 31 is adhered to the inner wall of the steel pipe body 1, and the corrosion resistance of the steel pipe can be improved by the first hot dip galvanizing layer 21.
Preferably, the heat insulation cotton layer 23 is composed of aluminum foil and closed-cell foam sponge, the fireproof layer 24 is made of polyvinyl chloride resin, the wear-resistant layer 26 is made of rubber, and the wear-resistant layer 26 can prevent the surface of the pipeline from being worn.
Preferably, the anticorrosive layer 32 is an epoxy powder anticorrosive waterproof paint with epoxy resin as a main material, and the anticorrosive layer 32 can protect the steel pipe from being rusted and corroded easily.
The application principle and the application flow of the utility model are as follows:
firstly, through insulating layer 2 and inoxidizing coating 3 that set up, install insulating layer 2 and inoxidizing coating 3 on steel pipe body 1, thereby can be with the material on insulating layer 2 such as first hot galvanizing layer 21, chromed layer 22, insulating cotton layer 23, flame retardant coating 24 and the second hot galvanizing layer 31 on inoxidizing coating 3, anticorrosive coating 32, the inseparable bonding together of antiskid layer 33, first hot galvanizing layer 21 can improve the corrosion resistance of steel pipe, chromed layer 22's surface finish is good, insulating cotton layer 23 can protect the steel pipe from groundwater etching, can not rust, rust spot can not all, anticorrosive coating 32 can effectively resist the water supply pipeline and receive soil microorganism and the erosion of relevant water and chemical substance, explosion-proof layer 25 can strengthen the resistance of wall, thereby make the wear-resisting of steel pipe and thermal-insulated effect better, the life of extension steel pipe.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.
While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.
Claims (6)
1. The utility model provides a safe thermal-insulated inside and outside hot dip galvanized steel pipe, its characterized in that includes steel pipe body (1), the outer wall of steel pipe body (1) is provided with insulating layer (2) that have better thermal-insulated effect, the inner wall of steel pipe body (1) is provided with inoxidizing coating (3) that can prolong the life of steel pipe.
2. The safe heat-insulating inner and outer hot dip galvanized steel pipe according to claim 1, characterized in that the heat-insulating layer (2) comprises a first hot dip galvanized layer (21), wherein a chromium plating layer (22) is smeared on the outer wall of the first hot dip galvanized layer (21), a heat-insulating cotton layer (23) is adhered to the outer wall of the chromium plating layer (22), a fireproof layer (24) is adhered to the outer wall of the heat-insulating cotton layer (23), an explosion-proof layer (25) is arranged on the outer wall of the fireproof layer (24), and a wear-resistant layer (26) is arranged on the outer wall of the explosion-proof layer (25).
3. The safe and heat-insulating inner and outer hot dip galvanized steel pipe as claimed in claim 2, wherein the protective layer (3) comprises a second hot dip galvanized layer (31), an anti-corrosion layer (32) is arranged on the inner wall of the second hot dip galvanized layer (31), and an anti-slip layer (33) is adhered on the inner wall of the anti-corrosion layer (32).
4. The safe heat-insulating inner and outer hot dip galvanized steel pipe as claimed in claim 1, wherein a plurality of reinforced ribs are arranged on the inner wall surface of the steel pipe body (1).
5. A safety and thermal insulation type inner and outer hot dip galvanized steel pipe as claimed in claim 3, characterized in that the first hot dip galvanized layer (21) is adhered to the outer wall of the steel pipe body (1), and the second hot dip galvanized layer (31) is adhered to the inner wall of the steel pipe body (1).
6. The safe heat-insulating inner and outer hot dip galvanized steel pipe as claimed in claim 2, wherein said fireproof layer (24) is made of polyvinyl chloride resin material, and said wear-resistant layer (26) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222703029.9U CN219841166U (en) | 2022-10-14 | 2022-10-14 | Safe heat-insulating type inner and outer hot dip galvanized steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222703029.9U CN219841166U (en) | 2022-10-14 | 2022-10-14 | Safe heat-insulating type inner and outer hot dip galvanized steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841166U true CN219841166U (en) | 2023-10-17 |
Family
ID=88305923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222703029.9U Active CN219841166U (en) | 2022-10-14 | 2022-10-14 | Safe heat-insulating type inner and outer hot dip galvanized steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841166U (en) |
-
2022
- 2022-10-14 CN CN202222703029.9U patent/CN219841166U/en active Active
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