CN216479374U - High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body - Google Patents
High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body Download PDFInfo
- Publication number
- CN216479374U CN216479374U CN202121401837.9U CN202121401837U CN216479374U CN 216479374 U CN216479374 U CN 216479374U CN 202121401837 U CN202121401837 U CN 202121401837U CN 216479374 U CN216479374 U CN 216479374U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- corrosion
- seamless steel
- pipe
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Earth Drilling (AREA)
Abstract
The utility model belongs to the technical field of seamless steel pipes, and particularly relates to a corrosion-resistant stainless steel seamless steel pipe for a high-toughness drill pipe body.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a corrosion-resistant stainless steel seamless steel pipe for a high-toughness drill pipe body.
Background
Seamless steel pipes have a hollow cross section and are used in large numbers as pipes for transporting fluids, such as oil, gas, water and certain solid materials. Compared with solid steel such as round steel, the steel pipe has the advantages of same bending strength and torsion strength and lighter weight, is steel with an economic section, is widely used for manufacturing structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, and is widely manufactured by using the steel pipe, so that the material utilization rate can be improved, the manufacturing process is simplified, the material and the processing time are saved, and the steel pipe is widely used for manufacturing.
The existing seamless steel pipe needs to transport some corrosive liquid, the inner side of the inner wall of the existing steel pipe is mostly not provided with an anticorrosive coating, and the inner side of the existing steel pipe is mostly lined to avoid the corrosion of the inner part of the steel pipe, so that the manufacturing cost is high and the lining is installed in a large amount of time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the following problems of the device: the seamless steel pipe needs to transport some comparatively corrosive liquids, and the inside of the inner wall of the existing steel pipe is mostly not provided with an anticorrosive coating, and the inside corroded condition of the steel pipe is avoided mostly in a lining mode, so that the manufacturing cost is high, and the lining is installed, and the problem of needing a large amount of time is solved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a corrosion-resistant stainless steel seamless steel pipe for a high-toughness drill pipe body comprises a corrosion-resistant seamless steel pipe and is characterized in that, the middle area inside the corrosion-resistant seamless steel pipe is a steel pipe transportation cavity, the inner wall of the steel pipe transportation cavity is provided with a liquid isolation layer, the thickness of the liquid isolation layer is not less than one centimeter, the liquid isolation layer is also arranged on the outer side surface and one end face of the corrosion-resistant seamless steel pipe, the thickness of the corrosion-resistant seamless steel pipe is not less than two centimeters, the middle area of the corrosion-resistant seamless steel pipe is the steel pipe transportation cavity, the liquid isolation layer comprises an oxidation layer, a moisture retention layer, a stable base layer and an anti-corrosion layer, the layer body is sequentially adhered and contacted with the inner wall of the seamless steel pipe, a stable base layer is arranged between every two layers, the stable base layer is made of glass fiber, and the anticorrosive layer is a layer body formed by mainly mixing anticorrosive resin and anticorrosive rubber.
The two sides of the interior of the corrosion-resistant seamless steel pipe are connected step areas, the connected step areas are connected ports made of steps, the height of a coal bed in the connected step areas is three centimeters, four layers are arranged in the connected step areas, and the connected step areas are communicated with a middle steel pipe conveying cavity in the corrosion-resistant seamless steel pipe.
The periphery of the two end ports of the corrosion-resistant seamless steel pipe is provided with a mounting bulge, a bolt hole is formed in one ring of the mounting bulge, and the mounting bulge is connected with another stainless steel seamless steel pipe outside through a plurality of bolts.
The two ends of the connecting conveying pipe are perfectly connected with the connecting step area, and the connecting conveying pipe is a connecting pipe of the two stainless steel seamless steel pipes.
The linking conveying pipe is provided with an auxiliary protrusion which is clamped by the two mounting protrusions and fixedly connected with the two mounting protrusions through bolts.
Compared with the prior art, the utility model has the advantages that:
(1) when this scheme was used, the worker when the comparatively special liquid of transportation (corrosive liquids or be acid liquid), liquid isolation layer can be preferred with liquid and body surface isolated, avoids liquid direct and body to contact, and its beneficial effect does, and fundamentally cuts off the probability that the steel pipe received the corruption, and the external object of avoiding by a wide margin corrodes its inside production.
(2) The design of the connecting step area is to position another seamless steel pipe, and the utility model has the advantages that: the probability that outside gas or liquid enters into the pipeline inside is avoided through the design of step to take place, can also let the seamless steel pipe and be connected more firmly between the seamless steel pipe, by a wide margin the convenient degree of increase installation intensity and installation.
(3) The design of the connecting conveying pipe is to better fit the connecting step area, so that each seamless steel pipe is integrally symmetrical, the difficulty in manufacturing the seamless steel pipe is avoided, and the seamless steel pipe is convenient to produce on a production line.
Drawings
FIG. 1 is a schematic structural diagram of a corrosion-resistant stainless steel seamless steel tube for a high-toughness drill pipe body, which is provided by the utility model;
FIG. 2 is a schematic view of the connection structure of a corrosion-resistant stainless steel seamless steel pipe for a high-toughness drill pipe body according to the present invention;
FIG. 3 is a schematic structural view of a joint transport pipe of a corrosion-resistant stainless steel seamless steel pipe for a high-toughness drill pipe body according to the present invention;
in the figure: corrosion resistant seamless steel pipe 1, steel pipe transportation chamber 2, liquid insulating layer 3 links up the regional 4 of step, and the installation is protruding 5, links up transportation pipe 6, supplementary arch 7.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1-3, a corrosion-resistant stainless steel seamless steel tube for a high-toughness drill pipe body comprises a corrosion-resistant seamless steel tube 1 and is characterized in that a middle area inside the corrosion-resistant seamless steel tube 1 is a steel tube transportation cavity 2, a liquid isolation layer 3 is arranged on the inner wall of the steel tube transportation cavity 2, the thickness of the liquid isolation layer 3 is not less than one centimeter, the thickness of the corrosion-resistant seamless steel tube 1 is not less than two centimeters, only the middle area of the corrosion-resistant seamless steel tube 1 is the steel tube transportation cavity 2, the liquid isolation layer 3 comprises an oxidation layer, a moisture retention layer, a stable base layer and an anti-corrosion layer, the layer bodies are sequentially adhered and contacted with the inner wall of the corrosion-resistant seamless steel tube, a stable base layer is arranged between every layer and layer connection, the stable base layer is a base layer made of glass fiber, and the anti-corrosion layer is a layer body mainly formed by mixing anti-corrosion resin and anti-corrosion rubber.
Example two
The two ends of the connecting step area 4 on the corrosion-resistant seamless steel pipe 1 are connected with another stainless steel seamless steel pipe through the connecting conveying pipe 6, the two ends of the connecting conveying pipe 6 are connecting ends made of steps, the two ends of the connecting conveying pipe 6 are perfectly connected with the connecting step area 4, and the connecting conveying pipe 6 is a connecting pipe of the two stainless steel seamless steel pipes.
The working principle is as follows: in this embodiment, the seamless steel pipe is installed and assembled together, one end of the connecting conveying pipe 6 is placed on the connecting step area 4 at one end of the corrosion-resistant seamless steel pipe 1, the connecting step area 4 on the other seamless steel pipe is connected with the other end of the connecting conveying pipe 6, the installing bulge 5 on the corrosion-resistant seamless steel pipe 1 is connected with the auxiliary bulge 7 at the upper end of the connecting conveying pipe 6 through the bolt (the probability that external gas or liquid enters the inside of the pipeline is avoided through the step design, the connection between the seamless steel pipe and the seamless steel pipe can be firmer, the installing strength and the installation convenience are greatly improved), when liquid is conveyed, (corrosive liquid) liquid can be isolated by the liquid isolating layer 3 when entering the inside of the corrosion-resistant seamless steel pipe 1, the corrosion of the steel pipe is fundamentally avoided, and the corrosion of the inside of the corrosion-resistant seamless steel pipe is greatly caused by external objects.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. The utility model provides a high tenacity corrosion-resistant stainless steel seamless steel pipe for drilling rod body, includes corrosion-resistant seamless steel pipe (1), its characterized in that, the inside middle region of corrosion-resistant seamless steel pipe (1) is steel pipe transportation chamber (2), and the inner wall of steel pipe transportation chamber (2) is provided with liquid isolation layer (3), and the thickness of liquid isolation layer (3) is not less than one centimetre, and the thickness of corrosion-resistant seamless steel pipe (1) is not less than two centimetres, and corrosion-resistant seamless steel pipe (1) only middle region is steel pipe transportation chamber (2).
2. The corrosion-resistant stainless steel seamless steel pipe for a high toughness drill pipe body according to claim 1, wherein: the inner two sides of the corrosion-resistant seamless steel pipe (1) are connected with step areas (4), the connected step areas (4) are connected ports made of steps, the height of a coal bed of the connected step areas (4) is three centimeters, the connected step areas (4) are provided with four layers in total, and the connected step areas (4) are communicated with the middle steel pipe conveying cavity (2) in the corrosion-resistant seamless steel pipe (1).
3. The corrosion-resistant stainless steel seamless steel pipe for a high toughness drill pipe body according to claim 1, wherein: the corrosion-resistant seamless steel pipe is characterized in that the peripheral positions of the ports at the two ends of the corrosion-resistant seamless steel pipe (1) are provided with mounting protrusions (5), a circle of the mounting protrusions (5) is provided with a bolt hole, and the mounting protrusions (5) are connected with another stainless steel seamless steel pipe outside through a plurality of bolts.
4. The corrosion-resistant stainless steel seamless steel pipe for a high toughness drill pipe body according to claim 1, wherein: the two ends of the connecting step area (4) on the corrosion-resistant seamless steel pipe (1) are connected with another stainless steel seamless steel pipe through a connecting conveying pipe (6), the two ends of the connecting conveying pipe (6) are connecting ends made of steps, the two ends of the connecting conveying pipe (6) are perfectly connected with the connecting step area (4), and the connecting conveying pipe (6) is a connecting pipe of the two stainless steel seamless steel pipes.
5. The corrosion-resistant stainless steel seamless steel pipe for a high toughness drill pipe body according to claim 4, wherein: the connecting conveying pipe (6) is provided with an auxiliary bulge (7), the auxiliary bulge (7) is clamped by the two mounting bulges (5), and the auxiliary bulge (7) is fixedly connected with the two mounting bulges (5) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401837.9U CN216479374U (en) | 2021-06-23 | 2021-06-23 | High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401837.9U CN216479374U (en) | 2021-06-23 | 2021-06-23 | High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479374U true CN216479374U (en) | 2022-05-10 |
Family
ID=81395258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121401837.9U Active CN216479374U (en) | 2021-06-23 | 2021-06-23 | High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479374U (en) |
-
2021
- 2021-06-23 CN CN202121401837.9U patent/CN216479374U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201462207U (en) | Sealing device between protective well through hole and underground pipeline | |
| CN216479374U (en) | High-toughness corrosion-resistant stainless steel seamless steel tube for drill pipe body | |
| CN210291055U (en) | Damaged novel pipeline structure of dismouting is prevented in building engineering field | |
| CN212775541U (en) | Rubber sealing ring for connector joint of drinking water pipeline | |
| CN211118213U (en) | Plastic composite pipe joint | |
| CN212156109U (en) | Green steel pipe | |
| CN2228167Y (en) | Universal double-walled pipe | |
| CN220792394U (en) | Pressure water delivery pipeline | |
| CN101469800A (en) | Shift compensation pipe | |
| CN210128135U (en) | Water supply pipe | |
| CN219453294U (en) | High-strength seamless pipe not easy to break | |
| CN210661846U (en) | Wear-resistant lining composite pipe | |
| CN217272845U (en) | Steel-plastic conversion pipe fitting with anti-ultraviolet three-layer sintered powder epoxy anti-corrosion outer coating | |
| CN114962797B (en) | Seepage-proof vibration-proof water delivery device for high-temperature acidic water quenching tank wall | |
| CN210800467U (en) | Petroleum pipeline with heat preservation layer | |
| CN2509416Y (en) | Universal double-wall pipeline | |
| CN215990077U (en) | Clamp bolted connection's prefabricated calandria of electric power | |
| CN214170698U (en) | Oil pipe nipple joint with good sealing effect | |
| CN217003604U (en) | Steel-plastic adapter for corrosion-resistant gas pipeline | |
| CN220228346U (en) | Corrosion-resistant reinforced PE pipe | |
| CN204852749U (en) | Socket joint formula antiseep expansion joint | |
| CN219300241U (en) | Butt-joint type heat preservation pipe | |
| CN217874665U (en) | Composite pipe connecting piece | |
| CN211649322U (en) | Stainless steel pipe fitting with high compressive resistance | |
| CN217519391U (en) | Concrete pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |