Efficient heat insulation conveying pipe
By setting an outer protection ring, an inner pipe and a sealing valve in the medium conveying pipe, and filling the insulation material between the main body of the pipeline and the inner pipe, combining the connection method of external threads and internal threads, the problem of high-efficiency insulation at high-temperature fluid connections in the prior art is solved, and the stability and thermal insulation performance of pipeline connections are improved.
Patent Information
- Application Number
- CN202422345746.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The existing medium conveying pipe cannot achieve efficient heat insulation at high-temperature fluid connections, and the connection part is prone to damage, affecting transportation efficiency.
A highly efficient heat-insulated conveyor pipe is designed. By setting an external protection ring outside the pipe main body, an inner pipe and a sealing valve are provided inside, and heat-insulating materials are filled between the pipe main body and the inner pipe, including an electroplating layer, a pearlescent sand filling layer and an insulating support. Combined with the connection method of external threads and internal threads, the sealing and thermal insulation performance at the connection are ensured.
The stability and sealing of the pipe connection are achieved, ensuring efficient heat insulation of the medium and improving transportation efficiency, and avoiding damage to the connection part.
Smart Images

Figure CN223004592U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medium conveying devices, in particular to a conveying pipe with high-efficiency heat insulation. Background Technique
[0002] A conveying pipe is a device used to convey gases, liquids or other substances. It can mainly convey substances from one place to another, prevent external impurities from invading during transportation, isolate different substances from each other, avoid mixing of different substances, and prevent dangerous accidents from occurring.
[0003] For example, a medium conveying pipe with a high-efficiency heat insulation structure recorded in the patent publication number CN209839355U includes a pipe body. A flow direction mark is electroplated on the outer surface of the front side of the pipe body. Connecting flanges are arranged at both the left and right ends of the pipe body. A high-strength high-temperature corrosion-resistant layer is evenly coated on the inner wall of the pipe body. A vacuum cavity is arranged in the inner wall of the pipe body, and pearlite sand is evenly filled in the vacuum cavity. A tin foil aluminum film is adhered to the outside of the pipe body, and a protective rubber sleeve is sleeved on the outside of the tin foil aluminum film. The connection between pipes is realized through the flange with high-efficiency heat insulation effect.
[0004] However, the connection between pipes is connected by flanges. For high-temperature fluids, high-efficiency heat insulation cannot be achieved at the connection, and the connection part is also prone to damage, affecting the pipeline transportation efficiency.
[0005] Based on this, a conveying pipe with high-efficiency heat insulation is now provided to eliminate the drawbacks of existing devices. Content of the Utility Model
[0006] The purpose of the utility model is to provide a conveying pipe with high-efficiency heat insulation to solve the problems in the background technique.
[0007] To achieve the above purpose, the utility model provides the following technical solutions:
[0008] A conveying pipe with high-efficiency heat insulation includes a pipeline main body. An outer protection ring is arranged outside the pipeline main body, and the outer protection ring wraps the pipeline main body. An inner pipe is arranged inside the pipeline main body. A ball valve is arranged at one end of the inner pipe. A sealing valve is also arranged inside the inner pipe. Internal threads are arranged inside one end of the pipeline main body, and external threads are arranged at the other end of the pipeline main body. An external chamfer is arranged on the inner pipe near the internal threads. A sealing ring is arranged on the outer circle of the external chamfer. An internal chamfer is arranged at the other end of the inner pipe. Heat insulation materials are arranged in the gap between the pipeline main body and the inner pipe.
[0009] On the basis of the above technical solutions, the utility model also provides the following optional technical solutions:
[0010] In an optional solution: The external threads can be threadedly connected with the internal threads.
[0011] In an alternative embodiment: The heat insulation material inside the pipe body includes an innermost electroplated layer, a perlite sand filling layer is provided outside the electroplated layer, a heat insulation support is provided outside the perlite sand filling layer, and an inert gas can be filled between the heat insulation support and other heat insulation layers.
[0012] In an alternative embodiment: The inner chamfer matches the outer chamfer.
[0013] In an alternative embodiment: After the protruding end and the recessed end of the inner pipe are threadedly connected through the pipe body, the protruding end and the recessed end can be closely attached.
[0014] In an alternative embodiment: The outer protective ring is spirally wound around the pipe body.
[0015] In an alternative embodiment: When the sealing ring is attached to the protruding end and the recessed end, the sealing ring seals the attached part.
[0016] In an alternative embodiment: The outer protective ring is made of rubber.
[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0018] 1. By providing the external thread and the internal thread, the present utility model achieves the purpose of making the connection between pipes more stable and the transportation of the conveyed medium more stable.
[0019] 2. By providing the inner and outer chamfers and the sealing ring of the inner pipe, the present utility model achieves the purpose that the inner pipe can be better closely attached during the transportation of the medium and it is not easy to leak the medium;
[0020] 3. By providing components such as the electroplated layer, the perlite sand filling layer, and the heat insulation support, the present utility model achieves the purpose of highly efficient heat insulation during the transportation of the medium. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a schematic structural diagram of the present utility model.
[0022] Figure 2 is a schematic bottom structural diagram of the present utility model.
[0023] Figure 3 is a schematic internal structural diagram of the present utility model.
[0024] Annotation of reference numerals in the drawings: 1. Outer chamfer; 2. Sealing ring; 3. Outer protective ring; 4. Ball valve; 5. External thread; 6. Internal thread; 7. Heat insulation layer; 8. Sealing valve; 9. Pipe body; 10. Inner chamfer; 11. Electroplated layer; 12. Perlite sand filling layer; 13. Heat insulation support. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] In order to make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0026] In one embodiment, as Figures 1 - 3 shown, a high-efficiency heat-insulating conveying pipe includes a pipe body 9, characterized in that an outer protective ring 3 is provided outside the pipe body 9, the outer protective ring 3 wraps the pipe body 9, an inner pipe is provided inside the pipe body 9, a ball valve 4 is provided at one end of the inner pipe, a sealing valve 8 is further provided inside the inner pipe, an internal thread 6 is provided inside one end of the pipe body 9, an external thread 5 is provided at the other end of the pipe body, an external chamfer 1 is provided on the side of the inner pipe close to the internal thread 6, a sealing ring 2 is provided on the outer ring of the external chamfer 1, an internal chamfer 10 is provided at the other end of the inner pipe, and heat-insulating material is provided in the gap between the pipe body 9 and the inner pipe.
[0027] In this embodiment, the internal thread 6 is connected to the external thread 5 of the same pipe body. During the connection, the internal chamfer 10 of the protruding part of the inner pipe gradually fits with the external chamfer 1 at the other end of the same pipe body during the threaded connection of the two pipes. After complete fitting, the sealing ring 2 seals the fitted part. When transporting the medium, the flow rate of the medium in the pipe can be adjusted through the ball valve 4. Opening the sealing valve 8 can clean and repair the pipe. The outer protective ring can reduce the external pressure when the pipe is buried underground and ensure the integrity of the internal structure of the pipe;
[0028] In one embodiment, as Figures 1 - 2 shown, the external thread 5 can be threadedly connected to the internal thread 6, making the pipe connection more stable and ensuring its normal transportation;
[0029] In one embodiment, as Figure 3 shown, the heat-insulating material inside the pipe body includes an innermost electroplated layer 11, a pearlite sand filling layer 12 is provided outside the electroplated layer 11, a heat-insulating support body 13 is provided outside the pearlite sand filling layer 12, an inert gas can be filled between the heat-insulating support body 13 and other heat-insulating layers. An electroplated layer 11 is provided inside the pipe body 9, and a pearlite sand filling layer 12 is provided outside the electroplated layer 11 to improve the heat preservation and insulation performance of the pipe. In the pipe layer where the heat-insulating support body 13 is located, the heat-insulating support body 13 separates the two adjacent pipe layers, further insulating, and at the same time, heat-insulating material can be filled in the pipe layer where the heat-insulating support body 13 is located to further increase the heat-insulating performance.
[0030] In one embodiment, as Figures 1 - 2 shown, the internal chamfer 10 matches the external chamfer 1, enabling the internal medium to be transported more stably.
[0031] In one embodiment, as Figure 1As shown, after the protruding end and the recessed end of the inner pipe are threadedly connected through the pipe body 9, the protruding end and the recessed end can be closely fitted.
[0032] In one embodiment, as Figure 1 shown, the outer protective ring 3 is spirally wound around the pipe body 9.
[0033] In one embodiment, when the sealing ring 2 fits between the protruding end and the recessed end, the sealing ring 2 seals the fitting part.
[0034] In one embodiment, the outer protective ring 3 is made of rubber.
[0035] The above embodiments disclose a high-efficiency heat-insulating conveying pipe. Among them, the inner thread 6 is connected to the outer thread 5 of the same pipe body. During the connection, the inner chamfer 10 part of the protruding inner pipe and the outer chamfer 1 part of the other end of the same pipe body gradually fit during the threaded connection of the two pipes. After complete fitting, the sealing ring seals the fitting part. There is a plating layer 11 inside the pipe body 9 to prevent the transmission medium from being corrosive and increase wear resistance at the same time. There is a pearlescent sand filling layer 12 outside the plating layer 11 to improve the heat preservation and heat insulation performance of the pipe. The heat-insulating support body 13 is located in the pipe layer. The heat-insulating support body 13 is spaced from the pipe layers on both sides of it to further insulate heat. At the same time, heat-insulating materials can be filled in the pipe layer where the heat-insulating support body 13 is located to further increase the heat insulation performance. When transporting the medium, the flow rate of the medium in the pipe can be adjusted through the ball valve 4. Opening the sealing valve 8 can clean and repair the pipe. The outer protective ring can reduce the external pressure when the pipe is buried underground and ensure the integrity of the internal structure of the pipe.
[0036] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present disclosure, and all should be covered by the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.
Claims
1. A highly efficient heat-insulated delivery pipe, comprising a pipe body (9), characterized in that: An outer protective ring (3) is provided on the outside of the pipeline body (9), and the outer protective ring (3) wraps the pipeline body (9). An inner tube is provided inside the pipeline body (9), and a ball valve (4) is provided at one end of the inner tube. A sealing valve (8) is also provided inside the inner tube. An internal thread (6) is provided inside one end of the pipeline body (9), and an external thread (5) is provided at the other end of the pipeline body (9). An external chamfer (1) is provided on the side of the inner tube close to the internal thread (6), and a sealing ring (2) is provided on the outer ring of the external chamfer (1). An internal chamfer (10) is provided at the other end of the inner tube. A heat insulating material is provided in the gap between the pipeline body (9) and the inner tube.
2. A highly efficient heat-insulated delivery pipe according to claim 1, characterized in that: The external thread (5) can be threadably connected to the internal thread (6).
3. The highly efficient heat-insulated delivery pipe according to claim 1, characterized in that: The heat-insulating material in the pipe body (9) comprises an inner electroplating layer (11), a pearl sand filling layer (12) is arranged outside the electroplating layer (11), a heat-insulating support body (13) is arranged outside the pearl sand filling layer (12), and an inert gas can be filled between the heat-insulating support body (13) and other heat-insulating layers.
4. The highly efficient heat-insulated delivery pipe according to claim 1, characterized in that: The inner chamfer (10) matches the outer chamfer (1).
5. The highly efficient heat-insulated delivery pipe according to claim 4, characterized in that: After the protruding end and the recessed end of the inner tube are threadedly connected through the pipeline body (9), the protruding end and the recessed end can fit tightly together.
6. The highly efficient heat-insulated delivery pipe according to claim 1, characterized in that: The outer protective ring (3) is spirally wound around the pipe body (9).
7. The highly efficient heat-insulated delivery pipe according to claim 5, characterized in that: When the protruding end of the sealing ring (2) is in contact with the recessed end, the sealing ring (2) seals the contacting portion thereof.
8. The highly efficient heat-insulated delivery pipe according to claim 1, characterized in that: The outer protective ring (3) is made of rubber.
Citation Information
Patent Citations
Medium conveying pipe with efficient heat insulation structure
CN209839355U