CN210978781U - Improvement type hot dip galvanized steel pipe - Google Patents
Improvement type hot dip galvanized steel pipe Download PDFInfo
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- CN210978781U CN210978781U CN201921354764.5U CN201921354764U CN210978781U CN 210978781 U CN210978781 U CN 210978781U CN 201921354764 U CN201921354764 U CN 201921354764U CN 210978781 U CN210978781 U CN 210978781U
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- steel pipe
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- dip galvanized
- galvanized steel
- galvanizing coat
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Abstract
The utility model discloses an improvement type hot-galvanize steel pipe, including steel pipe body, interior zinc-plated layer, outer galvanizing coat, the lateral wall of steel pipe body is equipped with outer galvanizing coat, the inside wall of steel pipe body is equipped with interior zinc-plated layer, the lateral wall of outer galvanizing coat is equipped with anticorrosive coating, insulating layer, fire-retardant layer, wearing layer from inside to outside in proper order, be equipped with the hot melt adhesive on the inner wall of interior zinc-plated layer. The hot melt adhesive is arranged on the inner layer, so that the inner layer is prevented from being corroded by water, the water pollution is avoided, and the service life of the pipeline is prolonged; the wearing layer in the outside can prevent pipeline surface wear, avoids outer galvanizing coat wearing and tearing, and the insulating layer can be isolated with the heat of liquid in the pipeline, reduces thermal scattering and disappearing.
Description
Technical Field
The utility model relates to a galvanized steel pipe technical field specifically is an improvement type hot-galvanize steel pipe.
Background
The hot dip galvanized steel pipe is widely applied to manufacturing industries such as buildings, machinery, coal mines, power, railway vehicles, automobile industry, roads, bridges and the like.
The surface of the galvanized steel pipe is provided with a hot dipping or galvanized layer. The galvanization can improve the corrosion resistance of the steel pipe and prolong the service life. In the water supply field, water flow is to form a pipeline through the galvanized steel pipe for water delivery, so that the pipe wall is rusted and corroded after long-term use, the service life is shortened, and rust slag is mixed into water to influence the water quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses be exactly to the above-mentioned not enough that prior art exists, provide an improvement type hot-dip galvanized steel pipe, set up the hot melt adhesive at the inlayer, prevent that the inlayer from being corroded by the water rust, avoided water pollution simultaneously, increase pipeline life.
In order to realize the purpose, the utility model provides the following technical scheme:
the utility model provides an improvement type hot-galvanize steel pipe, includes steel pipe body, interior galvanizing coat, outer galvanizing coat, the lateral wall of steel pipe body is equipped with outer galvanizing coat, the inside wall of steel pipe body is equipped with interior galvanizing coat, the lateral wall of outer galvanizing coat is equipped with anticorrosive coating, insulating layer, fire-retardant layer, wearing layer from inside to outside in proper order, be equipped with the hot melt adhesive on the inner wall of interior galvanizing coat.
Preferably, outer grooves are evenly formed in the outer side wall of the steel pipe body, a communicating groove is formed between every two adjacent outer grooves, and the outer zinc coating is arranged in the outer grooves and the communicating groove. The contact area between the zinc coating and the steel pipe body is increased through the outer groove and the inner groove, the adhesive force is improved, and the product quality is guaranteed.
Preferably, inner grooves are uniformly formed in the inner wall of the steel pipe body, connecting rib plates are arranged in the inner grooves, one ends of the connecting rib plates are connected with the side walls of the inner grooves, and the other ends of the connecting rib plates are arranged in the hot melt adhesive. The contact area between the steel pipe and the inner galvanizing layer and the contact area between the steel pipe and the hot melt adhesive are increased through the reinforcing rib plate, and meanwhile, the strength of the whole steel pipe can be enhanced.
Preferably, the side wall of the connecting rib plate is uniformly provided with connecting holes. The connecting holes are formed, so that the two sides of the connecting rib plate can be communicated, the pulling force can be improved, and the delaminating phenomenon between the inner zinc plating layer connected with the connecting rib plate and the hot melt adhesive is prevented.
Preferably, the wear-resisting layer is a rubber layer, so that the surface of the steel pipe is prevented from being worn, and the corrosion of the steel pipe is avoided.
Preferably, the flame-retardant layer is an ammonium polyphosphate layer. The pipeline combustion is prevented, and the use safety is improved.
Preferably, the heat insulation layer is an aluminum foil heat insulation layer. The use safety is improved, the scald is prevented, and the heat radiation is reduced.
Preferably, the hot melt adhesive is the polyethylene layer, can prevent that the inlayer from being corroded by the water rust, avoids water pollution, increases pipeline life simultaneously.
Preferably, the thickness of the inner zinc coating and the outer zinc coating is not less than 10 um.
Compared with the prior art, the beneficial effects of utility model are that:
the hot melt adhesive is arranged on the inner layer, so that the inner layer is prevented from being corroded by water, the water pollution is avoided, and the service life of the pipeline is prolonged; the wearing layer in the outside can prevent pipeline surface wear, avoids outer galvanizing coat wearing and tearing, and the insulating layer can be isolated with the heat of liquid in the pipeline, reduces thermal scattering and disappearing.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of a steel pipe body;
fig. 3 is a schematic structural diagram of the connecting rib plate.
In the figure: 1-a wear resistant layer; 2-a flame retardant layer; 3-a heat insulation layer; 4-an anticorrosive layer; 5-a steel pipe body; 501-outer groove; 502-a communication groove; 6-connecting a rib plate; 601-connecting hole; 7-inner galvanizing layer; 8-outer galvanizing coat; 9-hot melt adhesive.
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.
As shown in fig. 1, an improvement type hot dip galvanized steel pipe, includes steel pipe body 5, interior galvanizing coat 7, outer galvanizing coat 8, steel pipe body 5's lateral wall is equipped with outer galvanizing coat 8, steel pipe body 5's inside wall is equipped with interior galvanizing coat 7, outer galvanizing coat 8's lateral wall is equipped with anticorrosive coating 4, insulating layer 3, fire-retardant layer 2, wearing layer 1 from inside to outside in proper order, be equipped with hot melt adhesive 9 on interior galvanizing coat 7's the inner wall.
As shown in fig. 2, outer grooves 501 are uniformly formed in the outer side wall of the steel pipe body 5, a communicating groove 502 is formed between adjacent outer grooves 501, and the outer zinc coating 8 is disposed in the outer grooves 501 and the communicating groove 502. The contact area between the zinc coating and the steel pipe body is increased through the outer groove and the inner groove, the adhesive force is improved, and the product quality is guaranteed.
Inner grooves are uniformly formed in the inner wall of the steel pipe body 5, connecting rib plates 6 are arranged in the inner grooves, one ends of the connecting rib plates 6 are connected with the side walls of the inner grooves, and the other ends of the connecting rib plates 6 are arranged in the hot melt adhesive 9.
As shown in fig. 3, in order to improve the strength, the side wall of the connecting rib plate 6 is uniformly provided with connecting holes 601. The contact area between the steel pipe and the inner galvanizing layer and the contact area between the steel pipe and the hot melt adhesive are increased through the reinforcing rib plate, and meanwhile, the strength of the whole steel pipe can be enhanced.
In order to prevent surface wear, the wear resistant layer 1 is a rubber layer.
The flame-retardant layer 2 is an ammonium polyphosphate layer, so that the surface of the steel pipe is prevented from being abraded, and the corrosion of the steel pipe is avoided.
In order to isolate heat, prevent that external heat from influencing the inside liquid of pipeline, also prevent simultaneously that the heat of inside liquid from losing, insulating layer 3 is the aluminium foil insulating layer.
To be suitable for the transportation of high temperature liquids. The hot melt adhesive 9 is a polyethylene layer,
in order to prolong the service life of the steel pipe body, the thicknesses of the inner zinc coating layer 7 and the outer zinc coating layer 8 are not less than 10 um.
The hot melt adhesive is arranged on the inner layer, so that the inner layer is prevented from being corroded by water, the water pollution is avoided, and the service life of the pipeline is prolonged; the wearing layer in the outside can prevent pipeline surface wear, avoids outer galvanizing coat wearing and tearing, and the insulating layer can be isolated with the heat of liquid in the pipeline, reduces thermal scattering and disappearing.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. An improvement type hot dip galvanized steel pipe which characterized in that: including steel pipe body (5), interior galvanizing coat (7), outer galvanizing coat (8), the lateral wall of steel pipe body (5) is equipped with outer galvanizing coat (8), the inside wall of steel pipe body (5) is equipped with interior galvanizing coat (7), the lateral wall of outer galvanizing coat (8) is equipped with anticorrosive coating (4), insulating layer (3), fire-retardant layer (2), wearing layer (1) from inside to outside in proper order, be equipped with hot melt adhesive (9) on the inner wall of interior galvanizing coat (7).
2. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the outer wall of the steel pipe body (5) is uniformly provided with outer grooves (501), a communicating groove (502) is formed between the adjacent outer grooves (501), and the outer zinc coating (8) is arranged in the outer grooves (501) and the communicating groove (502).
3. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the inner wall of the steel pipe body (5) is uniformly provided with inner grooves, the inner grooves are internally provided with connecting rib plates (6), one ends of the connecting rib plates (6) are connected with the side walls of the inner grooves, and the other ends of the connecting rib plates (6) are arranged in the hot melt adhesive (9).
4. An improved hot-dip galvanized steel pipe as set forth in claim 3, characterized in that: the side wall of the connecting rib plate (6) is uniformly provided with connecting holes (601).
5. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the wear-resistant layer (1) is a rubber layer.
6. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the flame-retardant layer (2) is an ammonium polyphosphate layer.
7. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the heat insulation layer (3) is an aluminum foil heat insulation layer.
8. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the hot melt adhesive (9) is a polyethylene layer.
9. An improved hot-dip galvanized steel pipe as set forth in claim 1, characterized in that: the thickness of the inner zinc-plated layer (7) and the thickness of the outer zinc-plated layer (8) are not less than 10 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354764.5U CN210978781U (en) | 2019-08-20 | 2019-08-20 | Improvement type hot dip galvanized steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354764.5U CN210978781U (en) | 2019-08-20 | 2019-08-20 | Improvement type hot dip galvanized steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978781U true CN210978781U (en) | 2020-07-10 |
Family
ID=71421622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921354764.5U Expired - Fee Related CN210978781U (en) | 2019-08-20 | 2019-08-20 | Improvement type hot dip galvanized steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978781U (en) |
-
2019
- 2019-08-20 CN CN201921354764.5U patent/CN210978781U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20210820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |