Heat preservation sleeve for municipal heating pipeline
By designing insulation sleeves including polyurethane insulation layer and protective structure on municipal heating pipes, the problems of poor insulation effect and short service life in the prior art are solved, and more efficient heat retention and compressive resistance are achieved.
Patent Information
- Application Number
- CN202421077725.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The current municipal heating pipes have average insulation effect and rapid heat loss. Traditional insulation methods are prone to damage due to long-term use, affecting the quality of heating conveying.
A thermal insulation sleeve for municipal heating pipes is designed, including thermal insulation pipes and two sets of protective structures. The thermal insulation pipes are filled with polyurethane insulation layer inside and outside, two sets of reinforced hoops and four sets of pressure bearing seats to improve the compressive resistance and prevent damage due to external factors.
Through the combination of two sets of protective structures and polyurethane insulation layer, the firmness and compressive resistance of the insulation pipe are significantly improved, the service life is extended, and the heat loss is effectively reduced.
Smart Images

Figure CN222760545U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a thermal insulation sleeve, in particular to a thermal insulation sleeve for a municipal heating pipeline. Background Art
[0002] Municipal heating is also called urban centralized heating. It is the central preparation of heating sources in the city, which is then distributed and transported to users. Pipes are indispensable in municipal heating projects. Due to the long-distance heating transportation, the insulation requirements for pipes are high. The traditional insulation method is generally to directly put an insulation sleeve on the outer surface of the pipe. This method is prone to damage due to long-term use, which in turn affects the quality of heating transportation.
[0003] In the prior art, a patent document with publication number CN209262535U proposes a thermal insulation sleeve for municipal heating pipes, including a seamless steel pipe, a thermal insulation sleeve and an inner thermal insulation pipe, wherein the seamless steel pipe is provided with an outer thermal insulation pipe inside, and the inner part of the outer thermal insulation pipe is provided with a flame retardant layer, the inner wall of the flame retardant layer is provided with a thermal insulation sleeve, and the interior of the thermal insulation sleeve is filled with a polyurethane thermal insulation layer, the inner wall of the thermal insulation sleeve is provided with an anti-deformation support pipe, and six groups of support frames are evenly spaced between the seamless steel pipe and the anti-deformation support pipe, and the inner end of the seamless steel pipe is provided with a pipe mouth protection cover. The utility model provides a seamless steel pipe to ensure the firmness of the thermal insulation sleeve and avoid damage due to external factors, while the provided reinforcement hoop can improve the compressive strength of the thermal insulation sleeve, the provided polyurethane thermal insulation layer can achieve good thermal insulation effect, and the provided anti-deformation support pipe can achieve support to avoid deformation of the thermal insulation sleeve due to internal or external pressure, thereby improving the service life of the thermal insulation sleeve.
[0004] Although the existing technology has achieved the effect of heat preservation to a certain extent, in the actual working process, there are still problems such as general heat preservation effect and rapid heat loss. Utility Model Content
[0005] In view of the shortcomings existing in the above-mentioned problems, the utility model provides an insulation sleeve for municipal heating pipes, which is equipped with two sets of protection structures, which can ensure the firmness of the insulation pipe and avoid damage caused by external factors. At the same time, the two sets of reinforcement hoops and four sets of pressure-bearing seats can improve the pressure resistance of the insulation pipe, and the polyurethane insulation layer arranged between the inner pipe body and the outer pipe body can achieve good insulation effect.
[0006] In order to solve the above problems, the utility model provides an insulation sleeve for municipal heating pipes, comprising an insulation pipe and a protective structure, wherein the insulation pipe comprises an inner pipe body and an outer pipe body, a polyurethane insulation layer is filled between the inner pipe body and the outer pipe body, and the protective structure comprises a first protective structure and a second protective structure, wherein the first protective structure is arranged at the left end of the insulation pipe, and the second protective structure is arranged at the right end of the insulation pipe.
[0007] Preferably, the first protective structure includes a first pressure-bearing seat, a first telescopic rod and a first reinforcement hoop, the first reinforcement hoop is arranged at the left end of the thermal insulation pipe, the first reinforcement hoop is connected to the first pressure-bearing seat through the first telescopic rod, and the first pressure-bearing seat is connected to the thermal insulation pipe through a first slider.
[0008] Preferably, the second protective structure includes a second pressure-bearing seat, a second telescopic rod and a second reinforcement hoop, the second reinforcement hoop is arranged at the right end of the thermal insulation pipe, the second reinforcement hoop is connected to the second pressure-bearing seat through the second telescopic rod, and the second pressure-bearing seat is connected to the thermal insulation pipe through a second slider.
[0009] Preferably, the thermal insulation pipe is provided with a connecting pipe opening, and the connecting pipe opening includes a first connecting pipe opening and a second connecting pipe opening, the first connecting pipe opening is arranged at the left end of the thermal insulation pipe, and the second connecting pipe opening is arranged at the right end of the thermal insulation pipe.
[0010] Compared with the prior art, the utility model has the following advantages:
[0011] The utility model is provided with two sets of protection structures, which can ensure the firmness of the thermal insulation pipe and avoid damage due to external factors. At the same time, the two sets of reinforcement hoops and four sets of pressure-bearing seats can improve the pressure resistance of the thermal insulation pipe, and the polyurethane insulation layer arranged between the inner pipe body and the outer pipe body can achieve a good insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model. DETAILED DESCRIPTION
[0013] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below with reference to the accompanying drawings and examples, but the examples are not intended to limit the utility model.
[0014] like Figure 1 As shown, an embodiment of the utility model includes a thermal insulation pipe 1 and a protective structure, wherein the thermal insulation pipe 1 includes an inner pipe body and an outer pipe body, and a polyurethane insulation layer is filled between the inner pipe body and the outer pipe body.
[0015] In this embodiment, the protection structure includes a first protection structure and a second protection structure. The first protection structure is arranged at the left end of the thermal insulation pipe 1 , and the second protection structure is arranged at the right end of the thermal insulation pipe 1 .
[0016] In this embodiment, the first protective structure includes a first pressure-bearing seat, a first telescopic rod and a first reinforcement hoop 6. The first reinforcement hoop is arranged at the left end of the thermal insulation pipe 1. The first telescopic rod includes a first left telescopic rod 7 and a first right telescopic rod 8. The first pressure-bearing seat includes a first left pressure-bearing seat 4 and a first right pressure-bearing seat 5. The left end of the first reinforcement hoop 6 is connected to the first left pressure-bearing seat 4 through the first left telescopic rod 7. The right end of the first reinforcement hoop 6 is connected to the first right pressure-bearing seat 5 through the first right telescopic rod 8. The first left pressure-bearing seat 4 is connected to the thermal insulation pipe 1 through the first left slider. The first right pressure-bearing seat 5 is connected to the thermal insulation pipe 1 through the first right slider. Among them, the number of the first left telescopic rod 7 is two groups, which are respectively located on the upper and lower sides of the thermal insulation pipe 1; the number of the first right telescopic rod 8 is two groups, which are respectively located on the upper and lower sides of the thermal insulation pipe 1.
[0017] In this embodiment, the second protective structure includes a second pressure-bearing seat, a second telescopic rod and a second reinforcement hoop 9. The second reinforcement hoop 9 is arranged at the right end of the thermal insulation pipe 1. The second telescopic rod includes a second left telescopic rod 12 and a second right telescopic rod 13. The second pressure-bearing seat includes a second left pressure-bearing seat 10 and a second right pressure-bearing seat 11. The left end of the second reinforcement hoop 9 is connected to the second left pressure-bearing seat 10 through the second left telescopic rod 12, and the right end of the second reinforcement hoop 9 is connected to the second right pressure-bearing seat 11 through the second right telescopic rod 13. The second left pressure-bearing seat 10 is connected to the thermal insulation pipe 1 through the second left slider, and the second right pressure-bearing seat 11 is connected to the thermal insulation pipe 1 through the second right slider. Among them, the number of the second left telescopic rod 12 is two groups, which are respectively located on the upper and lower sides of the thermal insulation pipe 1; the number of the second right telescopic rod 13 is two groups, which are respectively located on the upper and lower sides of the thermal insulation pipe 1.
[0018] The thermal insulation pipe 1 is provided with connecting pipe openings, which include a first connecting pipe opening 2 and a second connecting pipe opening 3. The first connecting pipe opening 2 is arranged at the left end of the thermal insulation pipe 1, and the second connecting pipe opening 3 is arranged at the right end of the thermal insulation pipe 1.
[0019] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.
[0020] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
[0021] In the description of this specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the technical solutions of this patent and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this patent application.
[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this patent application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0023] In this specification, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this specification can be understood according to specific circumstances.
[0024] In this specification, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0025] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0026] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A thermal insulation sleeve for municipal heating pipes, comprising a thermal insulation pipe and a protective structure, characterized in that: The thermal insulation pipe includes an inner pipe body and an outer pipe body, and a polyurethane insulation layer is filled between the inner pipe body and the outer pipe body. The protective structure includes a first protective structure and a second protective structure. The first protective structure is arranged at the left end of the thermal insulation pipe, and the second protective structure is arranged at the right end of the thermal insulation pipe.
2. The thermal insulation sleeve for municipal heating pipe according to claim 1, characterized in that: The first protective structure includes a first pressure-bearing seat, a first telescopic rod and a first reinforcement hoop. The first reinforcement hoop is arranged at the left end of the thermal insulation pipe. The first reinforcement hoop is connected to the first pressure-bearing seat through the first telescopic rod. The first pressure-bearing seat is connected to the thermal insulation pipe through a first slider.
3. A thermal insulation sleeve for municipal heating pipes as claimed in claim 2, characterized in that: The second protective structure includes a second pressure-bearing seat, a second telescopic rod and a second reinforcement hoop. The second reinforcement hoop is arranged at the right end of the thermal insulation pipe. The second reinforcement hoop is connected to the second pressure-bearing seat through the second telescopic rod. The second pressure-bearing seat is connected to the thermal insulation pipe through a second slider.
4. A thermal insulation sleeve for municipal heating pipes as claimed in claim 3, characterized in that: The thermal insulation pipe is provided with a connecting pipe opening, and the connecting pipe opening includes a first connecting pipe opening and a second connecting pipe opening. The first connecting pipe opening is arranged at the left end of the thermal insulation pipe, and the second connecting pipe opening is arranged at the right end of the thermal insulation pipe.
Citation Information
Patent Citations
Heat preservation sleeve for municipal heating pipeline
CN209262535U