CN210800271U - Rust-resistant effectual accurate cold drawing seamless steel pipe that loses - Google Patents
Rust-resistant effectual accurate cold drawing seamless steel pipe that loses Download PDFInfo
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- CN210800271U CN210800271U CN201921523383.5U CN201921523383U CN210800271U CN 210800271 U CN210800271 U CN 210800271U CN 201921523383 U CN201921523383 U CN 201921523383U CN 210800271 U CN210800271 U CN 210800271U
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Abstract
The utility model discloses an antirust effectual accurate cold drawing seamless steel pipe that loses, including steel pipe body and shutoff mechanism, shutoff mechanism sets up on the inner wall of steel pipe body, and the steel pipe body includes wearing layer, heat preservation, enhancement layer, toughness layer and passivation layer, and the inside of wearing layer is provided with the heat preservation, and the inside of heat preservation is provided with the enhancement layer. The utility model discloses a mutually supporting between steel pipe body and the shutoff mechanism, realized rust-resistant effectual accurate cold drawing seamless steel pipe that loses, can play efficient corrosion resisting property to the inside and outside wall of steel pipe, thereby the corrosion resistance of steel pipe has been increased, and through setting up the heat preservation, enhancement layer and toughness layer, not only can guarantee that the energy scatters and disappears among the pipeline transportation process, and increased the rigidity and the toughness of steel pipe, consequently great extension the life of steel pipe, and can carry out the shutoff to the steel pipe body through setting up the shutoff mechanism, thereby avoid impurity to get into the inside corruption that causes of pipe wall.
Description
Technical Field
The utility model relates to a cold drawing seamless steel tube technical field specifically is an antirust effectual accurate cold drawing seamless steel tube that loses.
Background
At present, the pipes used for conveying substances such as gas, heating, medical gas, water and the like mainly comprise steel pipes, plastic pipes and the like, the plastic pipes are low in strength and easy to deform and break under pressure, common steel pipe structures have the problems of easy corrosion and rusting, the structures are damaged or destroyed due to corrosion, the property and even the life loss are frequently fresh, the steel pipes are generally made of single-material steel pipes, heavy anticorrosion protection needs to be carried out on the inner surface and the outer surface of the steel pipes in some application occasions needing corrosion prevention, the common method is to plate zinc or other anticorrosion liquid on the inner wall of the steel pipes, and according to the current construction and use conditions, the method is low in anticorrosion performance, short in service cycle and insufficient in rigidity.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an antirust accurate cold-drawing seamless steel tube with good effect.
In order to achieve the above object, the utility model provides a following technical scheme: a precision cold-drawn seamless steel tube with good anti-corrosion effect comprises a steel tube body and a plugging mechanism, wherein the plugging mechanism is arranged on the inner wall of the steel tube body;
the steel pipe body comprises a wear-resistant layer, a heat-insulating layer, a reinforcing layer, a tough layer and a passivation layer, wherein the heat-insulating layer is arranged inside the wear-resistant layer, the reinforcing layer is arranged inside the heat-insulating layer, the tough layer is arranged inside the reinforcing layer, and the passivation layer is arranged on the inner wall of the tough layer;
the plugging mechanism comprises a plugging block, a sealing ring and a pull ring, wherein the plugging block is arranged inside the steel pipe body, the sealing ring is sleeved on the surface of the plugging block, the sealing ring is in close contact with the inner wall of the steel pipe body, and the pull ring is fixedly connected to the top of the plugging block.
Preferably, the wear-resistant layer is an alloy nitride treated by nitriding.
Preferably, the heat insulation layer is made of polyurethane rigid foam material.
Preferably, the reinforcing layer is made of a carbon material.
Preferably, the ductile layer is made of mild steel with a low carbon content.
Preferably, the passivation layer is a protective film formed by oxidation on the surface of the alloy.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a mutually supporting between steel pipe body and the shutoff mechanism, realized rust-resistant effectual accurate cold drawing seamless steel pipe that loses, can play efficient corrosion resisting property to the inside and outside wall of steel pipe, thereby the corrosion resistance of steel pipe has been increased, and through setting up the heat preservation, enhancement layer and toughness layer, not only can guarantee that the energy scatters and disappears among the pipeline transportation process, and increased the rigidity and the toughness of steel pipe, consequently great extension the life of steel pipe, and can carry out the shutoff to the steel pipe body through setting up the shutoff mechanism, thereby avoid impurity to get into the inside corruption that causes of pipe wall.
2. The utility model discloses a set up the wearing layer of nitriding treatment, because of the nitride has very high hardness, thermostability and very high dispersion, therefore can make the steel spare after the nitriding obtain high surface hardness, the wearability, fatigue strength, anti occlusivity, anti atmosphere and superheated steam corrosion resistance, anti tempering softening ability, and reduce the breach sensitivity, through setting up the heat preservation made, polyurethane hard foam is a novel combined material who has heat preservation and waterproof function, its coefficient of thermal conductivity is low, therefore can play good heat preservation effect to the steel pipe, through setting up the enhancement layer that carbon material made, because material has characteristics such as corrosion resistance, high temperature strength, heat resistance, thermal shock resistance, low thermal expansion, low elasticity, high purity, consequently can strengthen steel pipe strength, through setting up the toughness layer that the mild steel that the carbon content is lower made, the flexibility of the steel pipe can be increased, and the corrosion rate of the steel pipe can be effectively reduced by arranging the passivation layer formed by oxidation.
Drawings
FIG. 1 is a structural section view in elevation of the present invention;
FIG. 2 is a structural section view of a top view of the steel tube body of the present invention;
fig. 3 is a partial enlarged view of a-a in fig. 2 according to the present invention.
In the figure: the steel pipe comprises a steel pipe body 1, a plugging mechanism 2, a wear-resistant layer 101, a heat-insulating layer 102, a reinforcing layer 103, a toughness layer 104, a passivation layer 105, a plugging block 201, a sealing ring 202 and a pull ring 203.
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. 1-3, a precision cold-drawn seamless steel tube with good anti-corrosion effect comprises a steel tube body 1 and a plugging mechanism 2, wherein the plugging mechanism 2 is arranged on the inner wall of the steel tube body 1.
Referring to fig. 1-3, a steel pipe body 1 includes a wear-resistant layer 101, a thermal insulation layer 102, a reinforcing layer 103, a flexible layer 104 and a passivation layer 105, the wear-resistant layer 101 is an alloy nitride processed by nitriding, and the nitride has high hardness, thermal stability and high dispersion degree by setting the nitrided wear-resistant layer 101, so that the nitrided steel part can obtain high surface hardness, wear resistance, fatigue strength, seizure resistance, resistance to corrosion by atmospheric and superheated steam, resistance to temper softening, and notch sensitivity reduction, the thermal insulation layer 102 is provided inside the wear-resistant layer 101, the thermal insulation layer 102 is made of a polyurethane hard foam material, and the polyurethane hard foam is a novel synthetic material with thermal insulation and waterproof functions by setting the thermal insulation layer 102, has low thermal conductivity coefficient, and thus can perform good thermal insulation effect on the steel pipe, the heat insulation layer 102 is internally provided with a reinforcing layer 103, the reinforcing layer 103 is made of carbon materials, the reinforcing layer 103 made of carbon materials is arranged, the carbon materials have the characteristics of corrosion resistance, high-temperature strength, heat resistance, thermal shock resistance, low thermal expansion, low elasticity, high purity and the like, so that the strength of the steel pipe can be enhanced, the reinforcing layer 103 is internally provided with a toughness layer 104, the toughness layer 104 is made of mild steel with low carbon content, the flexibility of the steel pipe can be increased by arranging the toughness layer 104 made of mild steel with low carbon content, a passivation layer 105 is arranged on the inner wall of the toughness layer 104, the passivation layer 105 is a protective film formed by oxidation on the surface of an alloy, and the corrosion rate of the steel pipe can be effectively reduced by arranging the passivation layer 105 formed by oxidation.
Referring to fig. 1-3, the plugging mechanism 2 includes a plugging block 201, a sealing ring 202 and a pull ring 203, the plugging block 201 is disposed inside the steel pipe body 1, the sealing ring 202 is sleeved on the surface of the plugging block 201, the sealing ring 202 is in close contact with the inner wall of the steel pipe body 1, the pull ring 203 is fixedly connected to the top of the plugging block 201, by arranging the steel tube body 1 and the plugging mechanism 2, a precise cold-drawn seamless steel tube with good anti-corrosion effect is realized, the high-efficiency anti-corrosion performance can be achieved for the inner wall and the outer wall of the steel tube, thereby increasing the corrosion resistance of the steel pipe, and the heat insulation layer 102, the enhancement layer 103 and the toughness layer 104 can not only ensure the energy dissipation in the pipeline conveying process, and the rigidity and the toughness of the steel pipe are increased, so that the service life of the steel pipe is greatly prolonged, and the steel pipe body 1 can be plugged by arranging the plugging mechanism 2, so that impurities are prevented from entering the pipe wall to cause corrosion.
In summary, the following steps: this rust-resistant effectual accurate cold drawing seamless steel pipe that loses through setting up steel pipe body 1 and shutoff mechanism 2, has solved the problem that the background art mentioned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an antirust effectual accurate cold drawn seamless steel pipe that loses, includes steel pipe body (1) and shutoff mechanism (2), its characterized in that: the plugging mechanism (2) is arranged on the inner wall of the steel pipe body (1);
the steel pipe body (1) comprises a wear-resistant layer (101), an insulating layer (102), a reinforcing layer (103), a tough layer (104) and a passivation layer (105), wherein the insulating layer (102) is arranged inside the wear-resistant layer (101), the reinforcing layer (103) is arranged inside the insulating layer (102), the tough layer (104) is arranged inside the reinforcing layer (103), and the passivation layer (105) is arranged on the inner wall of the tough layer (104);
plugging mechanism (2) are including sprue (201), sealing washer (202) and pull ring (203), sprue (201) set up the inside at steel pipe body (1), the surface cover of sprue (201) is equipped with sealing washer (202), sealing washer (202) and the inner wall in close contact with of steel pipe body (1), the top fixedly connected with pull ring (203) of sprue (201).
2. The precision cold-drawn seamless steel tube with good rust prevention effect according to claim 1, which is characterized in that: the wear-resistant layer (101) is an alloy nitride processed by nitriding.
3. The precision cold-drawn seamless steel tube with good rust prevention effect according to claim 1, which is characterized in that: the heat insulation layer (102) is made of polyurethane rigid foam material.
4. The precision cold-drawn seamless steel tube with good rust prevention effect according to claim 1, which is characterized in that: the enhancement layer (103) is made of carbon materials.
5. The precision cold-drawn seamless steel tube with good rust prevention effect according to claim 1, which is characterized in that: the ductile layer (104) is made of mild steel with a low carbon content.
6. The precision cold-drawn seamless steel tube with good rust prevention effect according to claim 1, which is characterized in that: the passivation layer (105) is a protective film formed by oxidation on the surface of the alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523383.5U CN210800271U (en) | 2019-09-12 | 2019-09-12 | Rust-resistant effectual accurate cold drawing seamless steel pipe that loses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523383.5U CN210800271U (en) | 2019-09-12 | 2019-09-12 | Rust-resistant effectual accurate cold drawing seamless steel pipe that loses |
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| CN210800271U true CN210800271U (en) | 2020-06-19 |
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| CN201921523383.5U Active CN210800271U (en) | 2019-09-12 | 2019-09-12 | Rust-resistant effectual accurate cold drawing seamless steel pipe that loses |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856051A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Polyethylene water supply pipeline |
| CN112934870A (en) * | 2021-04-27 | 2021-06-11 | 湖州华特不锈钢管制造有限公司 | Inner hole cleaning device for cold-drawn steel pipe |
-
2019
- 2019-09-12 CN CN201921523383.5U patent/CN210800271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856051A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Polyethylene water supply pipeline |
| CN112934870A (en) * | 2021-04-27 | 2021-06-11 | 湖州华特不锈钢管制造有限公司 | Inner hole cleaning device for cold-drawn steel pipe |
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Address after: No. 8, Daming Middle Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Hongyi Precision Industry Co.,Ltd. Address before: 213000 industrial concentration zone, Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: JIANGSU HONGYI STEEL PIPE CO.,LTD. |