CN118836313B - A stainless steel conveying pipeline - Google Patents
A stainless steel conveying pipeline Download PDFInfo
- Publication number
- CN118836313B CN118836313B CN202411334013.2A CN202411334013A CN118836313B CN 118836313 B CN118836313 B CN 118836313B CN 202411334013 A CN202411334013 A CN 202411334013A CN 118836313 B CN118836313 B CN 118836313B
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- Prior art keywords
- stainless steel
- pipe
- pipes
- fixedly connected
- tube
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/32—Heating of pipes or pipe systems using hot fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a stainless steel conveying pipeline in the field of conveying pipelines, which comprises a plurality of segment joints, wherein a stainless steel pipe main body is connected between two adjacent segment joints, two pairs of guide pipes are arranged on the outer side of the stainless steel pipe main body, an elastic protection film matched with the stainless steel pipe main body is connected between the plurality of guide pipes, each guide pipe comprises a hollow pipe, a plurality of evenly distributed branch pipes are fixedly connected onto the hollow pipe, two pairs of strip-shaped grooves matched with the guide pipes are formed on the outer wall of the stainless steel pipe main body, a fixed beam is fixedly connected into each strip-shaped groove, one end of each branch pipe is inserted into the hollow pipe, the other end of each branch pipe is fixedly connected with the fixed beam, and flexible inner pipes are paved on the inner walls of the stainless steel pipe main bodies.
Description
Technical Field
The invention relates to a stainless steel conveying pipeline, in particular to a stainless steel conveying pipeline applied to the field of conveying pipelines.
Background
The pipeline is widely applied to various fields such as petroleum, chemical industry, ships, machinery manufacturing, energy sources, geology and the like. The stainless steel pipe is a hollow strip round steel material and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like.
In order to solve the problem that the pipeline is suitable for conveying different fluids, a certain stainless steel pipe in the market adopts a design of a built-in protective coating, and has a certain market ratio.
The specification of Chinese patent No. CN112082008B discloses an assembled petroleum conveying pipeline and a splicing installation method thereof, the assembled petroleum conveying pipeline comprises a fixed pipeline, a connecting flange and a connecting device, wherein the fixed pipeline is of a cylindrical hollow structure, a stepped groove is formed in the outer side of the fixed pipeline, adjacent fixed pipelines are connected through the connecting device, the connecting flange is installed in the outer side of the fixed pipeline at the end part, and threaded holes are uniformly formed in the connecting flange. The invention can solve the problems that the prior petroleum conveying pipeline has large volume and inconvenient transportation due to the fact that the pipeline cannot be effectively spliced in an assembled way when the prior petroleum conveying pipeline is transported, and the use effect of the pipeline is affected.
The existing stainless steel pipe has no good adaptability to different fluids, and needs certain protection conditions, such as low-temperature transportation, heat preservation transportation and the like, in the transportation process of some special fluids, but the existing stainless steel pipe is usually treated by adding a protection layer outside the pipe according to adjustment, and the protection layer needs to be replaced when the fluid transportation changes, so that the method is quite inconvenient.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the invention is that the prior stainless steel pipeline is usually treated by adding the protective layer outside the pipeline according to adjustment, and the protective layer needs to be replaced when the fluid delivery is changed, so that the stainless steel pipeline is very inconvenient.
In order to solve the problems, the invention provides a stainless steel conveying pipeline, a plurality of section joints, wherein a stainless steel pipe main body is connected between two adjacent section joints, two pairs of guide pipes are arranged on the outer side of the stainless steel pipe main body, an elastic protection film matched with the stainless steel pipe main body is connected between the plurality of guide pipes, the guide pipes comprise hollow pipes, a plurality of evenly-distributed branch pipes are fixedly connected to the hollow pipes, two pairs of strip-shaped grooves matched with the guide pipes are formed on the outer walls of the stainless steel pipe main body, fixed beams are fixedly connected in the strip-shaped grooves, one ends of the branch pipes are inserted into the hollow pipes, the other ends of the branch pipes are fixedly connected with the fixed beams, flexible inner pipes are paved on the inner walls of the stainless steel pipe main body, the section joints are fixedly connected with the flexible inner pipes, filling liquid is filled in the flexible inner pipes, a plurality of pairs of positioning pipes are connected between one pair of section joints, the elastic protection film is arranged between the positioning pipes and the guide pipes in a penetrating manner, and the stainless steel pipe main body and the guide pipes are wrapped on the inner sides of the elastic protection film;
the fixed beam comprises a hollow beam, a plurality of injection tubes which are uniformly distributed are fixedly connected to the hollow beam, one end of each injection tube is communicated with the tributary tube, and the other end of each injection tube is communicated with the flexible inner tube;
The flexible inner tube comprises a fixed tube connected with the stainless steel tube main body, a pressure-resistant hose is arranged on the inner side of the fixed tube, a plurality of uniformly distributed supporting rings are connected between the fixed tube and the pressure-resistant hose, a temperature sensor and a pressure sensor are arranged in the supporting rings, and the filling liquid comprises a coolant or thermosetting resin.
In the stainless steel conveying pipeline, the inner wall of the pipeline is convenient to monitor and protect in real time, and the flexible inner pipe can be adjusted according to the fluid pressure and the temperature of the input pipeline.
As a further improvement of the application, the segment joint is fixedly connected with a transfer pipe, and both ends of the transfer pipe are fixedly connected with sealing clamping rings matched with the stainless steel pipe main body.
As a still further improvement of the application, the elastic protective film comprises an elastic base film, a heat insulation film is paved on the elastic base film, and a heat conduction layer is paved at one end of the elastic base film, which is close to the stainless steel pipe main body.
As a further improvement of the application, the positioning tube comprises an electric heating tube, sealing binding posts are connected between two ends of the electric heating tube and two adjacent segment joints, an expansion ring is sleeved on the surface of the electric heating tube, and the expansion ring is connected with a heat conducting layer in the elastic protective film.
As a further improvement of the application, the fixture Liang Naan is provided with leads that mate with the temperature and pressure sensors, the leads extending through the fixture beam and into the adjacent two segment joints.
As a further improvement of the application, a feeding cover matched with the plurality of guide pipes is connected to the segment joint, a micropump is arranged in the feeding cover, and a conveying pipe is connected to the feeding cover.
As a further improvement of the application, a plurality of support rings are circumferentially distributed in the stationary tube.
As a further improvement of the application, the system comprises an auxiliary control system, wherein the auxiliary control system comprises a processor arranged in a section joint, a data acquisition module connected with a temperature sensor and a pressure sensor in a signal manner is connected to the processor, an electromagnetic valve is arranged in a branch pipe, and the electromagnetic valve and the micropump are electrically connected with a control module connected to the processor.
In conclusion, the inner wall of the pipeline can be monitored and protected in real time, and the flexible inner pipe can be adjusted according to the fluid pressure and the temperature of the input pipeline, so that the strength of the flexible inner pipe is adapted to the requirements of corresponding fluid transportation.
Drawings
FIG. 1 is a perspective view of embodiments 1 and 2 of the present application;
FIG. 2 is a perspective view of the inelastic protective film according to embodiments 1 and 2 of the present application;
FIG. 3 is a cross-sectional view of embodiments 1 and 2 of the present application;
FIG. 4 is a schematic diagram of the structure shown at A in FIG. 3;
FIG. 5 is a schematic view of the structure at B in FIG. 4;
FIG. 6 is a partial cross-sectional view of a flexible inner tube according to embodiments 1 and 2 of the present application;
fig. 7 is a front view of embodiments 1 and 2 of the present application.
The reference numerals in the figures illustrate:
The device comprises a 1-segment joint, a 2-pipeline main body, a 3-outer supporting tube, a 301-gas tube, a 302-branch flow tube, a 4-elastic protective film, a 5-positioning tube, a 6-positioning beam, a 601-hollow beam, a 602-injection tube, a 7-flexible inner tube, a 701-fixed tube, a 702-pressure-resistant hose, a 703-supporting ring, an 8-switching tube, a 9-sealing clamping ring and a 10-feeding cover.
Detailed Description
2 Embodiments of the present application will be described in detail with reference to the accompanying drawings.
Embodiment 1:
1-7 show, a self-adaptive stainless steel conveying pipeline, including a plurality of segment joints 1, connect with the stainless steel tube main body 2 between two adjacent segment joints 1, the outside of the stainless steel tube main body 2 is equipped with two pairs of guide pipes 3, connect with the elastic protection film 4 matched with stainless steel tube main body 2 between a plurality of guide pipes 3, the guide pipe 3 includes the hollow tube 301, fixedly connect with a plurality of evenly distributed tributary pipes 302 on the hollow tube 301, offer two pairs of bar grooves matched with guide pipe 3 on the outer wall of the stainless steel tube main body 2, fixedly connect with the fixed beam 6 in the bar groove, one end of the tributary pipe 302 inserts in the hollow tube 301, another end of the tributary pipe 302 fixedly connects with fixed beam 6;
Referring to fig. 3-5, the fixed beam 6 includes a hollow beam 601, a plurality of evenly distributed injection tubes 602 are fixedly connected to the hollow beam 601, one end of each injection tube 602 is connected to the tributary tube 302, and filling liquid is injected into the flexible inner tube 7 through the injection tube. Wires matched with the temperature sensor and the pressure sensor are installed in the fixed beam 6, and penetrate through the fixed beam 6 and extend into the adjacent two section joints 1.
Referring to fig. 4-5, a flexible inner tube 7 is laid on the inner wall of the stainless steel tube main body 2, the flexible inner tube 7 is installed on the segment joint 1, filling liquid is filled in the flexible inner tube 7, the flexible inner tube 7 comprises a fixed tube 701 connected with the stainless steel tube main body 2, a pressure-resistant hose 702 is arranged on the inner side of the fixed tube 701, a plurality of evenly distributed supporting rings 703 are connected between the fixed tube 701 and the pressure-resistant hose 702, a temperature sensor and a pressure sensor are installed in the supporting rings 703, the temperature sensor and the pressure sensor cannot be damaged when the supporting rings 703 are in a compression limit, the pressure and the temperature at the position of the flexible inner tube 7 are monitored through the temperature sensor and the pressure sensor, and the supporting rings 703 are used for sealing protection.
Referring to fig. 3-4, a plurality of pairs of positioning pipes 5 are connected between a pair of segment joints 1, each positioning pipe 5 comprises an electric heating pipe, sealing binding posts are connected between two ends of each electric heating pipe and two adjacent segment joints 1, expansion rings are sleeved on the surfaces of the electric heating pipes and connected with heat conducting layers in the elastic protective films 4, and the elastic protective films 4 can be integrally heated through the positioning pipes 5. The elastic protection film 4 is arranged between the positioning pipes 5 and the guide pipes 3 in a penetrating mode, the stainless steel pipe main body 2 and the guide pipes 3 are wrapped on the inner side of the elastic protection film 4, the elastic protection film 4 comprises an elastic base film, a heat insulation film is paved on the elastic base film, and a heat conduction layer is paved at one end, close to the stainless steel pipe main body 2, of the elastic base film.
The device comprises an auxiliary control system, wherein the auxiliary control system comprises a processor arranged in a section joint 1, a data acquisition module connected with a temperature sensor and a pressure sensor through signals is connected to the processor, an electromagnetic valve is arranged in a branch pipe 302, and the electromagnetic valve and a micropump are electrically connected with a control module connected to the processor.
In the use process, filling liquid which can be coolant or thermosetting resin is injected into the flexible inner tube 7 according to the introduced fluid, and the pipeline is used for testing before the fluid is introduced;
When testing, the flexible inner tube 7 is in a hollow state, after fluid is introduced, the pressure and the temperature of each part of the flexible inner tube 7 are detected by a pressure sensor and a temperature sensor arranged in the flexible inner tube 7, and a technician judges whether the flexible inner tube 7 is required to support the requirements of strengthening, cooling conveying or heating conveying according to the detection result and the property of the fluid;
If the fluid delivery pressure is high, the flexible inner tube 7 needs to be supported and reinforced, the thermosetting resin is input into the flexible inner tube 7 through the guide tube 3, and then the whole pipeline is heated by using the electric heating tube, so that the thermosetting resin is shaped, and the reinforcement of the flexible inner tube 7 is realized.
The pressure and temperature in the pipeline can be monitored in real time by the flexible inner pipe 7 and the temperature sensor and the pressure sensor in the flexible inner pipe, so that important data support is provided for technicians.
When the fluid delivery pressure is high, the support reinforcement of the flexible inner tube 7 can be realized by injecting thermosetting resin into the flexible inner tube 7 and heating the thermosetting resin by using an electric heating tube to shape the thermosetting resin. The design ensures that the pipeline can keep stable operation under a high-pressure environment, and improves the adaptability and the reliability of the pipeline.
In addition, the pipeline also has the functions of cooling conveying and heating conveying. By injecting a coolant into the flexible inner tube 7 or heating with an electric heating tube, the temperature within the tube can be adjusted to meet the delivery requirements of different fluids.
Embodiment 2:
Fig. 6-7 show that a transfer tube 8 is fixedly connected in the segment joint 1, both ends of the transfer tube 8 are fixedly connected with sealing clamping rings 9 matched with the stainless steel tube main body 2, and the stainless steel tube main body 2 is connected with the segment joint 1 through the sealing clamping rings 9. The segment joint 1 is connected with a feeding cover 10 matched with the plurality of guide pipes 3, a micro pump is arranged in the feeding cover 10, the feeding cover 10 is connected with a conveying pipe, and the compensation agent introduced by the conveying pipe is input into the guide pipes 3 through the micro pump.
If the fluid needs cooling and conveying, continuously inputting and discharging the coolant into the flexible inner tube 7 through the guide tube 3, so as to realize the flow in the flexible inner tube 7 of the coolant, improve the cooling and heat exchanging effects of the flexible inner tube 7, and realize the cooling and conveying in the fluid conveying process;
when the fluid needs to be heated in the conveying process, air flow is continuously input and discharged into the flexible inner tube 7 through the guide tube 3, then the electric heating tube is started to heat the elastic protective film, the heat conduction layer is used for transferring heat to the guide tube 3, and the guide tube 3 is used for inputting hot air flow into the flexible inner tube 7, so that the hot air flow enters the flexible inner tube 7 to heat the fluid.
By connecting one pair of diagonally symmetrical ducts 3 to one micropump for delivery and the other pair of ducts 3 to the other micropump for discharge during the intake and discharge of the air flow and the continuous intake and discharge of the coolant.
The embodiment realizes flexible response to the cooling and heating requirements in the process of conveying the fluid in the pipeline. When cooling and conveying are needed, the cooling agent is continuously input and discharged into the flexible inner tube 7 through the guide tube 3, so that the flow of the cooling agent in the flexible inner tube 7 is realized, the cooling and heat exchanging effects of the flexible inner tube 7 are improved, and the fluid is ensured to be effectively cooled in the conveying process. When the heating and conveying are needed, air flow is continuously input and exhausted into the flexible inner tube 7 through the guide tube 3, and the elastic protective film is heated by the electric heating tube. The heat conduction layer transfers heat to the position of the guide pipe 3, so that the guide pipe 3 inputs hot air flow into the flexible inner pipe 7, and heating of the fluid is realized. The design enables the pipeline to adapt to fluid delivery with different temperature requirements, and improves the adaptability and flexibility of the pipeline.
In summary, the combination design of the flexible inner tube 7, the temperature sensor and the pressure sensor is adopted, so that the real-time monitoring of the pressure and the temperature in the pipeline is realized, and important data support is provided for technicians. Meanwhile, the compensation agent is injected into the flexible inner tube 7 and heated by the electric heating tube, so that the support of the flexible inner tube 7 is reinforced, and the adaptability and the reliability of the pipeline are improved. In addition, this scheme still possesses the function that the cooling was carried and the heating was carried, can satisfy the demand that different fluids carried.
The inner wall of pipeline can be monitored in real time and protected by this scheme, can be according to the fluid pressure and the temperature of input pipeline to flexible inner tube 7 adjust, make the intensity adaptation of flexible inner tube 7 correspond the demand that fluid carried.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (6)
1. The stainless steel conveying pipeline comprises a plurality of segment joints (1), and is characterized in that two pairs of strip-shaped grooves matched with the guide pipes (3) are formed between every two adjacent segment joints (1), two pairs of guide pipes (3) are arranged on the outer sides of the stainless steel pipe bodies (2), elastic protection films (4) matched with the stainless steel pipe bodies (2) are connected between the guide pipes (3), each guide pipe (3) comprises a hollow pipe (301), a plurality of branch pipes (302) which are uniformly distributed are fixedly connected to the hollow pipe (301), two pairs of strip-shaped grooves matched with the guide pipes (3) are formed in the outer walls of the stainless steel pipe bodies (2), fixing beams (6) are fixedly connected in the strip-shaped grooves, one ends of the branch pipes (302) are inserted into the hollow pipe (301), the other ends of the branch pipes (302) are fixedly connected with the fixing beams (6), flexible inner pipes (7) are arranged on the inner walls of the stainless steel pipe bodies (2), the segment joints (1) are fixedly connected with the flexible inner pipes (7), the flexible inner pipes (7) are fixedly connected with the flexible pipes (7), the flexible pipes (7) are fixedly connected with the flexible pipes (2), the flexible pipes (2) and the flexible pipes (2) are fixedly connected with the flexible pipes (2) through the flexible pipes, the stainless steel pipe main body (2) and the guide pipe (3) are wrapped on the inner side of the elastic protective film (4);
the fixed beam (6) comprises a hollow beam (601), a plurality of injection pipes (602) which are uniformly distributed are fixedly connected to the hollow beam (601), one end of each injection pipe (602) is communicated with the tributary pipe (302), and the other end of each injection pipe (602) is communicated with the flexible inner pipe (7);
The flexible inner tube (7) comprises a fixed tube (701) connected with the stainless steel tube main body (2), wherein a pressure-resistant hose (702) is arranged on the inner side of the fixed tube (701), a plurality of uniformly distributed supporting rings (703) are connected between the fixed tube (701) and the pressure-resistant hose (702), and a temperature sensor and a pressure sensor are arranged in the supporting rings (703);
The elastic protective film (4) comprises an elastic base film, a heat insulation film is paved on the elastic base film, a heat conduction layer is paved at one end of the elastic base film, which is close to the stainless steel pipe main body (2), the positioning pipe (5) comprises an electric heating pipe, sealing binding posts are connected between two ends of the electric heating pipe and two adjacent section joints (1), an expansion ring is sleeved on the surface of the electric heating pipe, and the expansion ring is connected with the heat conduction layer in the elastic protective film (4).
2. The stainless steel conveying pipeline according to claim 1, wherein the segment joint (1) is fixedly connected with an adapter tube (8), and two ends of the adapter tube (8) are fixedly connected with sealing clamping rings (9) matched with the stainless steel pipe main body (2).
3. A stainless steel conveying pipe according to claim 1, characterized in that the fixing beam (6) is provided with wires matched with a temperature sensor and a pressure sensor, and the wires penetrate through the fixing beam (6) and extend into two adjacent segment joints (1).
4. A stainless steel conveying pipeline according to claim 1, wherein the segment joint (1) is connected with a feeding cover (10) matched with a plurality of guide pipes (3), a micropump is arranged in the feeding cover (10), and a conveying pipeline is connected to the feeding cover (10).
5. A stainless steel transportation pipe according to claim 1, characterized in that a plurality of said support rings (703) are circumferentially distributed within the stationary pipe (701).
6. A stainless steel conveying pipeline according to claim 3, comprising an auxiliary control system, wherein the auxiliary control system comprises a processor arranged in a section joint (1), a data acquisition module connected with a temperature sensor and a pressure sensor in a signal mode is connected to the processor, an electromagnetic valve is arranged in a branch pipe (302), and the electromagnetic valve and the micropump are electrically connected with a control module connected to the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411334013.2A CN118836313B (en) | 2024-09-24 | 2024-09-24 | A stainless steel conveying pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411334013.2A CN118836313B (en) | 2024-09-24 | 2024-09-24 | A stainless steel conveying pipeline |
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| Publication Number | Publication Date |
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| CN118836313A CN118836313A (en) | 2024-10-25 |
| CN118836313B true CN118836313B (en) | 2024-11-29 |
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| CN202411334013.2A Active CN118836313B (en) | 2024-09-24 | 2024-09-24 | A stainless steel conveying pipeline |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214171575U (en) * | 2020-12-29 | 2021-09-10 | 上海久砾不锈钢管有限公司 | High-strength stainless steel pipe |
| CN115424778A (en) * | 2022-09-15 | 2022-12-02 | 陈凯 | Anti-freezing cable for low-temperature environment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214947008U (en) * | 2021-04-23 | 2021-11-30 | 佛山市盛畅管业科技有限公司 | HDPE T-shaped high-pressure-resistance winding drain pipe |
| WO2024035272A1 (en) * | 2022-08-10 | 2024-02-15 | Борис Владимирович КРАЙНОВ | Air thermal insulation |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214171575U (en) * | 2020-12-29 | 2021-09-10 | 上海久砾不锈钢管有限公司 | High-strength stainless steel pipe |
| CN115424778A (en) * | 2022-09-15 | 2022-12-02 | 陈凯 | Anti-freezing cable for low-temperature environment |
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| CN118836313A (en) | 2024-10-25 |
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