Thermal insulation steel pipe with anti-corrosion structure

CN224743096UActive Publication Date: 2026-09-11HEBEI YUGANG PIPELINE MFG CO LTD
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Patent Information

Application Number
CN202522380492.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-09-11
Estimated Expiration
2035-11-10

AI Technical Summary

Technical Problem

[0003]而保温钢管的保温层多采用聚氨酯材料,而由于聚氨酯长时间见光与见水时,都会影响到聚氨酯的保温性能,因此在保温层的外层还会设置防护层,以避免聚氨酯与外界接触,虽然防护层通常采用高密度聚乙烯等材料制成,由于保温钢管在工作时,会长期暴露在空气中,会有鸟类等生物在其表面停留,而鸟类由于生理需求,不时就会进行排泄,进而导致防护层表面会沾染鸟粪,使得防护层受到具有腐蚀性的鸟粪持续侵蚀,使得防护层受损,导致保温层与外界接触,使得保温钢管使用寿命降低的情况出现

Benefits of technology

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, by setting a connecting pipe at the connection of the insulated steel pipe body and setting a transmission structure in the middle of the connecting pipe, and then setting a cleaning structure connected to the transmission structure on the surface of the connecting pipe, when the medium is transported inside the insulated steel pipe body, it will impact the transmission structure inside the connecting pipe, thereby enabling the transmission structure to drive the cleaning structure to work synchronously, thereby cleaning the bird droppings and other dirt on the surface of the insulated steel pipe body, thus extending the service life of the insulated steel pipe body.

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Abstract

The utility model is suitable for the technical field of heat preservation steel pipe, provides a kind of heat preservation steel pipe with anticorrosive structure, including;Heat preservation steel pipe body;Connecting pipe, the connecting pipe is inserted and is set between adjacent heat preservation steel pipe body;Cleaning structure, the cleaning structure is arranged on the surface of connecting pipe middle part;Transmission structure, the transmission structure is arranged in the middle part of connecting pipe, and is connected with cleaning structure transmission. Compared with prior art, the beneficial effects of the utility model are: when using, by setting connecting pipe at the connecting place of heat preservation steel pipe body, and setting transmission structure in connecting pipe middle part, then setting the cleaning structure connected with transmission structure on the surface of connecting pipe, so that when heat preservation steel pipe body internal medium is transported, the transmission structure in connecting pipe will be impacted, in turn make transmission structure can drive cleaning structure synchronous work, then the bird dropping dirt on the surface of heat preservation steel pipe body is cleaned, to prolong the service life of heat preservation steel pipe body.
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Description

Technical Field

[0001] This utility model belongs to the field of thermal insulation steel pipe technology, and in particular relates to a thermal insulation steel pipe with an anti-corrosion structure. Background Technology

[0002] Insulated steel pipe is a type of steel pipe that has undergone insulation treatment, mainly used to ensure that the temperature required for the transported medium meets the usage requirements;

[0003] The insulation layer of insulated steel pipes is mostly made of polyurethane. However, the insulation performance of polyurethane is affected by prolonged exposure to light and water. Therefore, a protective layer is set on the outer layer of the insulation layer to prevent the polyurethane from coming into contact with the outside environment. Although the protective layer is usually made of materials such as high-density polyethylene, the insulated steel pipe is exposed to the air for a long time during operation. Birds and other organisms will stay on its surface. Due to their physiological needs, birds will defecate from time to time, causing the surface of the protective layer to become contaminated with bird droppings. This causes the protective layer to be continuously eroded by the corrosive bird droppings, resulting in damage to the protective layer. This leads to the insulation layer coming into contact with the outside environment, which reduces the service life of the insulated steel pipe.

[0004] Therefore, how to provide a heat-insulated steel pipe with a corrosion-resistant structure is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide a heat-insulated steel pipe with a corrosion-resistant structure, which aims to solve the problems mentioned in the background art.

[0006] This utility model is achieved as follows: a heat-insulating steel pipe with an anti-corrosion structure, comprising;

[0007] Insulated steel pipe body;

[0008] A connecting pipe is inserted between adjacent insulated steel pipe bodies;

[0009] A cleaning structure is disposed on the surface of the middle part of the connecting pipe;

[0010] A transmission structure is provided in the middle of the connecting pipe and is connected to the cleaning structure in a transmission manner.

[0011] Preferably, the surface of the insulated steel pipe body is further provided with a water curtain structure, the water curtain structure including a support ring and an overflow plate. The support ring is located at the outer end of the surface of the insulated steel pipe body, the overflow plate is fixedly installed in the middle of the upper inner side of the support ring and is located above both sides of the cleaning structure. An overflow groove is opened in the middle of the overflow plate, and water outlet inclined grooves are symmetrically arranged at the bottom front and back. A transition groove is opened in the middle of the top of the support ring, and a water inlet is provided on the outer side of the support ring.

[0012] Preferably, the cleaning structure includes an inner ring and a slip ring. The inner ring is symmetrically installed on the surface of the middle part of the connecting pipe. The slip ring is slidably disposed inside the inner ring and has a triangular transmission groove in the middle of its bottom for transmission connection with the transmission structure. An outer ring is disposed on the surface of the slip ring. Side rings are symmetrically disposed on the sides of the outer ring and the inner ring and are connected to the slip ring by bolts. Cleaning brush plates are symmetrically disposed on the outer side of the side ring. Rollers are disposed at the middle of the outer side and both ends of the inner side of the slip ring, respectively, and are rolledly connected to the inner side of the outer ring and the inner ring.

[0013] Preferably, the transmission structure includes a transmission bevel gear and a transmission rod. The transmission rod is rotatably disposed at the middle of the top end of the connecting pipe, and an impeller is fixedly installed at the bottom. The transmission bevel gear is fixedly installed at the top of the transmission rod, and its side is connected to one side of the triangular transmission groove.

[0014] Preferably, the height of the overflow plate is lower than the height of the support ring, and the height of the support ring is greater than the height of the middle part of the cleaning structure.

[0015] Preferably, the connecting pipe includes a three-way conveying steel pipe, a polyurethane insulation layer, and a protective layer, arranged from the inside out. The pipe at the top of the three-way conveying steel pipe passes through the middle of the polyurethane insulation layer and the protective layer. The transmission rod is installed in the pipe at the top of the three-way conveying steel pipe. A rotating groove is opened in the middle of the three-way conveying steel pipe for placing the impeller. Inlet and outlet holes are symmetrically opened at the rear ends of the left and right sides of the rotating groove for the inlet and outlet of the conveying medium.

[0016] Preferably, the transition channel is connected to the overflow channel, and the inlet is connected to the transition channel.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, by setting a connecting pipe at the connection of the insulated steel pipe body and setting a transmission structure in the middle of the connecting pipe, and then setting a cleaning structure connected to the transmission structure on the surface of the connecting pipe, when the medium is transported inside the insulated steel pipe body, it will impact the transmission structure inside the connecting pipe, thereby enabling the transmission structure to drive the cleaning structure to work synchronously, thereby cleaning the bird droppings and other dirt on the surface of the insulated steel pipe body, thus extending the service life of the insulated steel pipe body.

[0018] Meanwhile, by setting a water curtain structure on the surface of the insulated steel pipe, a water curtain can be formed on the insulated steel pipe body, which can then wash away the bird droppings and keep them away from the insulated steel pipe body, thus keeping the cleaning structure clean and extending its service life. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 A schematic diagram of the overall appearance structure of a heat-insulated steel pipe with an anti-corrosion structure provided for an embodiment of this utility model;

[0021] Figure 2 A schematic diagram of the left cross-sectional structure of a heat-insulating steel pipe with an anti-corrosion structure provided for an embodiment of this utility model;

[0022] Figure 3 A schematic diagram of the main cross-sectional structure of a heat-insulated steel pipe with an anti-corrosion structure provided for an embodiment of this utility model;

[0023] Figure 4 A schematic diagram of the left view of the connecting pipe of an insulated steel pipe with an anti-corrosion structure, as well as the structure of the support ring and overflow plate, provided for an embodiment of this utility model;

[0024] Figure 5 A schematic diagram of the main cross-sectional structure of the support ring and overflow plate of a heat-insulated steel pipe with anti-corrosion structure provided for an embodiment of this utility model;

[0025] Figure 6 A bottom view cross-sectional view of the connecting pipe of an insulated steel pipe with an anti-corrosion structure provided in this embodiment of the utility model;

[0026] Figure 7 This is a bottom view cross-sectional diagram of an impeller and a three-way conveying steel pipe with an anti-corrosion structure provided in an embodiment of the present utility model.

[0027] In the diagram: 1-Insulated steel pipe body, 2-Protective layer, 3-Polyurethane insulation layer, 4-T-connecting steel pipe, 5-Slip ring, 6-Impeller, 7-Inlet / outlet hole, 8-Transmission rod, 9-Transmission bevel gear, 10-Inner ring, 11-Side ring, 12-Overflow groove, 13-Outer ring, 14-Roller, 15-Cleaning brush plate, 16-Triangular transmission groove, 17-Support ring, 18-Water inlet, 19-Transition groove, 20-Outlet inclined groove, 21-Overflow plate, 22-Connecting pipe, 23-Rotating groove. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The diagram shown is a structural schematic of a heat-insulating steel pipe with an anti-corrosion structure according to an embodiment of the present invention, comprising:

[0031] Insulated steel pipe body 1;

[0032] Connecting pipe 22 is inserted between adjacent insulated steel pipe bodies 1;

[0033] A cleaning structure is provided on the surface of the middle part of the connecting pipe 22;

[0034] The transmission structure is located in the middle of the connecting pipe 22 and is connected to the cleaning structure in a transmission manner.

[0035] In this embodiment of the utility model, when the insulated steel pipe body 1 is in the transmission medium, the internal transmission medium will pass through the middle of the connecting pipe 22, thereby driving the internal transmission structure to rotate, thereby driving the cleaning structure to clean the surface of the insulated steel pipe body 1 and the connecting pipe 22.

[0036] By setting a cleaning structure on the surface of the connecting pipe 22 and a transmission structure in the middle of the connecting pipe 22, when the medium is transported inside the insulated steel pipe body 1, it will drive the transmission structure and the cleaning structure to work synchronously when passing through the connecting pipe 22, thereby cleaning the bird droppings and other dirt on the surface of the insulated steel pipe body 1 and the connecting pipe 22, so as to extend the service life of the insulated steel pipe body 1 and the connecting pipe 22.

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown in the preferred embodiment of this utility model, the surface of the insulated steel pipe body 1 is also provided with a water curtain structure. The water curtain structure includes a support ring 17 and an overflow plate 21. The support ring 17 is located at the outer end of the surface of the insulated steel pipe body 1. The overflow plate 21 is fixedly installed in the middle of the upper inner side of the support ring 17 and is located above both sides of the cleaning structure. An overflow groove 12 is opened in the middle of the overflow plate 21, and water outlet inclined grooves 20 are symmetrically arranged at the bottom. A transition groove 19 is opened in the middle of the top of the support ring 17, and a water inlet 18 is provided on the outer side of the support ring 17.

[0038] In this embodiment of the utility model, when in use, the heat-insulated steel pipe body 1 is installed in a designated place, and then the water supply pipe is inserted into the water inlet 18 on the outer side of the support ring 17 at both ends of the outer protective layer 2 of the heat-insulated steel pipe body 1. Then, clean water can be transmitted through the water supply pipe to the transition groove 19 in the middle of the support ring 17 through the water inlet 18, and then enter the overflow groove 12 in the middle of the overflow plate 21, and then flow out through the water outlet inclined groove 20 on both sides of the bottom of the overflow groove 12.

[0039] By setting a water curtain structure on the surface of the insulated steel pipe body 1, a water curtain can be formed on the surface of the insulated steel pipe body 1 to rinse the insulated steel pipe body 1, thereby reducing the presence of bird droppings and other debris, and enhancing the cleaning effect of the cleaning structure.

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, in a preferred embodiment of this utility model, the cleaning structure includes an inner ring 10 and a slip ring 5. The inner ring 10 is symmetrically installed on the surface of the middle part of the connecting pipe 22. The slip ring 5 is slidably disposed inside the inner ring 10, and a triangular transmission groove 16 is provided in the middle of the bottom for transmission connection with the transmission structure. An outer ring 13 is provided on the surface of the slip ring 5. A side ring 11 is symmetrically slidably disposed on the side of the outer ring 13 and the inner ring 10, and is connected to the slip ring 5 with bolts. A cleaning brush plate 15 is symmetrically disposed on the outer side of the side ring 11. Rollers 14 are provided at the middle of the outer side and the two ends of the inner side of the slip ring 5, respectively, and are rollingly connected to the inner side of the outer ring 13 and the inner ring 10.

[0041] In this embodiment of the utility model, when in use, when the slip ring 5 between the inner ring 10 and the outer ring 13 and the side ring 11 rotate synchronously with the rotation of the transmission bevel gear 9, they will drive the side rings 11 on both sides to rotate synchronously, thereby causing the cleaning brush plate 15 on the outside of the side ring 11 to rotate and clean around the surface of the outer protective layer 2 of the heat-insulating steel pipe body 1.

[0042] By setting up a cleaning structure, the surface of the insulated steel pipe body 1 can be cleaned. With the help of the water curtain structure, the bird droppings brushed off by the cleaning brush 15 will fall to the ground with the water flow, keeping the cleaning brush 15 clean and extending its service life.

[0043] like Figure 2 , Figure 3 , Figure 6 and Figure 7As shown, in a preferred embodiment of the present invention, the transmission structure includes a transmission bevel gear 9, a positioning sleeve 7, and a transmission rod 8. The transmission rod 8 is rotatably disposed at the middle of the top end of the connecting pipe 22, and an impeller 6 is fixedly installed at the bottom. The transmission bevel gear 9 is fixedly installed at the top of the transmission rod 8, and its side is connected to one side of the triangular transmission groove 16 for transmission.

[0044] In this embodiment of the utility model, when the heat-insulated steel pipe body 1 conveys the medium, the medium will drive the impeller 6 to rotate, and then rotate synchronously through the transmission rod 8 in the middle of the positioning sleeve 7 and the transmission bevel gear 9 at its top. When the transmission bevel gear 9 rotates, it will drive the slip ring 5 between the inner ring 10 and the outer ring 13 to rotate synchronously with the rotation of the transmission bevel gear 9 through the triangular transmission groove 16 in the middle of the inner end of the slip ring 5.

[0045] By setting up a transmission structure, when the insulated steel pipe body 1 transports the medium, the transmission structure will convert the power of the medium into the rotational force of the transmission structure, thereby driving the slip ring 5 to rotate synchronously.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in a preferred embodiment of the present invention, the height of the overflow plate 21 is lower than the height of the support ring 17, and the height of the support ring 17 is greater than the height of the middle part of the cleaning structure.

[0047] In this embodiment of the utility model, when in use, by making the height of the overflow plate 21 lower than the height of the support ring 17 and making the height of the support ring 17 greater than the height of the middle part of the cleaning structure, the overflow plate 21 and the cleaning structure can be prevented from being damaged by pressure when the insulation steel pipe body 1 is stacked.

[0048] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in a preferred embodiment of this utility model, the connecting pipe 22 includes a three-way conveying steel pipe 4, a polyurethane insulation layer 3, and a protective layer 2. The three-way conveying steel pipe 4, the polyurethane insulation layer 3, and the protective layer 2 are arranged from the inside to the outside. The pipe at the top of the three-way conveying steel pipe 4 passes through the middle of the polyurethane insulation layer 3 and the protective layer 2. The transmission rod 8 is arranged in the pipe at the top of the three-way conveying steel pipe 4. A rotating groove 23 is opened in the middle of the three-way conveying steel pipe 4 for placing the impeller 6. Inlet and outlet holes 7 are symmetrically opened at the rear ends of the left and right sides of the rotating groove 23 for the inlet and outlet of the conveying medium.

[0049] In this embodiment of the utility model, when in use, the connecting pipe 22 is divided into a three-way conveying steel pipe 4, a polyurethane insulation layer 3, and a protective layer 2. The pipe at the top of the three-way conveying steel pipe 4 passes through the middle of the polyurethane insulation layer 3 and the protective layer 2, which facilitates the placement of the transmission rod 8. A rotating groove 23 is provided in the middle of the three-way conveying steel pipe 4, which facilitates the placement of the impeller 6 and its connection with the bottom of the transmission rod 8. Inlet and outlet holes 7 are symmetrically provided at the rear ends on both sides of the rotating groove 23, so as to convey the medium in and out, and impact one side of the impeller 6, thereby causing the impeller 6 to rotate.

[0050] like Figure 1 , Figure 4 and Figure 5 As shown, in a preferred embodiment of the present invention, the transition groove 19 is connected to the overflow groove 12, and the inlet 18 is connected to the transition groove 19.

[0051] In this embodiment of the utility model, when in use, by connecting the transition groove 19 to the overflow groove 12 and connecting the inlet 18 to the transition groove 19, water can easily enter the transition groove 19 from the inlet 18 and then be discharged into the overflow groove 12, and then flow out through the outlet inclined grooves 20 on both sides, forming a water curtain on the surface of the heat-insulated steel pipe body 1 for rinsing.

[0052] The above embodiments of this utility model provide a heat-insulated steel pipe with an anti-corrosion structure. When in use, the heat-insulated steel pipe body 1 is installed in a designated place, and then the water supply pipe is inserted into the water inlet 18 on the outer side of the support ring 17 at both ends of the outer protective layer 2 of the heat-insulated steel pipe body 1. Then, clean water can be transmitted through the water supply pipe to the transition groove 19 in the middle of the support ring 17 through the water inlet 18, and then to the overflow groove 12 in the middle of the overflow plate 21. Then, the water flows through the water outlet inclined grooves 20 on both sides of the bottom of the overflow groove 12 to the outer protective layer 2 of the heat-insulated steel pipe body 1, and then forms a water curtain on its surface for rinsing.

[0053] Subsequently, when the medium transported in the insulated steel pipe body 1 enters the three-way conveying steel pipe 4 in the middle of the connecting pipe 22, it will come into contact with one side of the impeller 6, thereby driving the impeller 6 to rotate. This causes the transmission rod 8 in the middle of the top of the three-way conveying steel pipe 4 and the transmission bevel gear 9 at its top to rotate synchronously. When the transmission bevel gear 9 rotates, it then drives the slip ring 5 between the inner ring 10 and the outer ring 13 to rotate synchronously with the rotation of the transmission bevel gear 9 through the triangular transmission groove 16 in the middle of the inner end of the slip ring 5.

[0054] When the slip ring 5 rotates, it will drive the side rings 11 on both sides to rotate synchronously. This will cause the cleaning brush 15 on the outside of the side ring 11 to rotate and clean around the surface of the outer protective layer 2 of the insulation steel pipe body 1. With the help of the water curtain, the bird droppings brushed off by the cleaning brush 15 will fall to the ground with the water flow, keeping the cleaning brush 15 clean and extending its service life.

[0055] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat-insulated steel pipe with an anti-corrosion structure, characterized in that, include; Insulated steel pipe body (1); A connecting pipe (22) is inserted between adjacent insulated steel pipe bodies (1); A cleaning structure is provided on the surface of the middle part of the connecting pipe (22); The transmission structure is located in the middle of the connecting pipe (22) and is connected to the cleaning structure in a transmission manner.

2. The insulated steel pipe with an anti-corrosion structure according to claim 1, characterized in that, The surface of the insulated steel pipe body (1) is also provided with a water curtain structure, which includes a support ring (17) and an overflow plate (21). The support ring (17) is located at the outer end of the surface of the insulated steel pipe body (1). The overflow plate (21) is fixedly installed in the middle of the upper inner side of the support ring (17) and is located above both sides of the cleaning structure. An overflow groove (12) is opened in the middle of the overflow plate (21), and a water outlet groove (20) is symmetrically arranged at the bottom. A transition groove (19) is opened in the middle of the top of the support ring (17), and a water inlet (18) is provided on the outer side of the support ring (17).

3. The insulated steel pipe with an anti-corrosion structure according to claim 1, characterized in that, The cleaning structure includes an inner ring (10) and a slip ring (5). The inner ring (10) is symmetrically installed on the surface of the middle part of the connecting pipe (22). The slip ring (5) is slidably disposed inside the inner ring (10), and a triangular transmission groove (16) is provided in the middle of the bottom, which is connected to the transmission structure. An outer ring (13) is provided on the surface of the slip ring (5). A side ring (11) is symmetrically slidably disposed on the side of the outer ring (13) and the inner ring (10), and is connected to the slip ring (5) by bolts. A cleaning brush plate (15) is symmetrically disposed on the outer side of the side ring (11). Rollers (14) are provided at the middle of the outer side and the two ends of the inner side of the slip ring (5), which are respectively rolled and connected to the inner side of the outer ring (13) and the inner ring (10).

4. The heat-insulated steel pipe with a corrosion-proof structure according to claim 3, characterized in that, The transmission structure includes a transmission bevel gear (9) and a transmission rod (8). The transmission rod (8) is rotatably disposed at the middle of the top of the connecting pipe (22), and an impeller (6) is fixedly installed at the bottom. The transmission bevel gear (9) is fixedly installed at the top of the transmission rod (8), and its side is connected to one side of the triangular transmission groove (16).

5. The heat-insulated steel pipe with a corrosion-proof structure according to claim 2, characterized in that, The height of the overflow plate (21) is lower than the height of the support ring (17), and the height of the support ring (17) is greater than the height of the middle part of the cleaning structure.

6. The heat-insulated steel pipe with a corrosion-proof structure according to claim 4, characterized in that, The connecting pipe (22) includes a three-way conveying steel pipe (4), a polyurethane insulation layer (3) and a protective layer (2). The three-way conveying steel pipe (4), the polyurethane insulation layer (3) and the protective layer (2) are arranged from the inside to the outside. The pipe at the top of the three-way conveying steel pipe (4) passes through the middle of the polyurethane insulation layer (3) and the protective layer (2). The transmission rod (8) is set in the pipe at the top of the three-way conveying steel pipe (4). A rotating groove (23) is opened in the middle of the three-way conveying steel pipe (4) for the placement of the impeller (6). The rear ends of the rotating groove (23) on the left and right sides are symmetrically provided with inlet and outlet holes (7) for the inlet and outlet of the conveying medium.

7. The insulated steel pipe with an anti-corrosion structure according to claim 2, characterized in that, The transition channel (19) is connected to the overflow channel (12), and the inlet (18) is connected to the transition channel (19).