Central heating overhead thermal insulation pipe

Abstract

The utility model discloses a central heating overhead thermal insulation pipe, and relates to the technical field of thermal insulation pipes. The central heating overhead thermal insulation pipe comprises a pipeline, and the outer side of the pipeline is sleeved with a first glass steel pipe shell and a second glass steel pipe shell; the heat preservation pipe assembly comprises a plurality of through grooves, a supporting ring is fixedly connected to the inner wall of the first glass steel pipe shell, a plurality of supporting rods are arranged in the second glass steel pipe shell, a fixing ring is fixedly connected to the surface of the pipeline, a fixing cylinder is fixedly connected to the surface of the fixing ring, and a movable rod is slidably connected to the interior of the fixing cylinder. A reset spring is arranged in a fixing cylinder, the dead weight of the first glass steel pipe shell can be reduced through forming of a through groove, the load of the first glass steel pipe shell on the heat preservation pipe is reduced, and the overall stability and durability of the pipeline and the safety in the using process are improved advantageously. The first glass steel pipe shell is prevented from being damaged under the condition that the pipeline expands with heat and contracts with cold, and the service life of the first glass steel pipe shell is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation pipe, especially in central heating overhead heat preservation pipe. BACKGROUND

[0002] Heat preservation pipe is the short name of heat insulation pipeline, is suitable for conveying in -50 DEG C ~ 150 DEG C range various medium, it is widely used in central heating, cold and hot oil conveying and warm room, cold storage, coal mine, petroleum, chemical industry etc. heat preservation and cold engineering, heat preservation pipe is the important factor of influence energy saving, and the development and application of heat preservation pipe are paid more and more attention by the world. Central heating overhead heat preservation pipe is a kind of pipeline for conveying gas, liquid or loose solid, which is erected on the ground or water surface, Chinese utility model patent, authorized announcement number "CN216843709U", discloses a kind of overhead steam heat preservation pipe of prefabricated outer insulation layer, including working steel pipe, the inner insulation layer and outer insulation layer are sequentially arranged on the outer wall of working steel pipe, the inner insulation layer is soft insulation layer, outer insulation layer is foamed insulation layer, glass steel pipe shell is provided between the inner insulation layer and outer insulation layer.

[0003] The above technical scheme effectively reduces the self-weight of the steam heat preservation pipe, avoids the problem of increased heat loss due to deformation of the inner insulation layer, reduces the cost of the construction site and improves the production efficiency, but the above technical scheme still has certain defects, the above structure avoids the deformation of the soft insulation layer, but the glass steel pipe shell still has a large diameter, and has a certain thickness to achieve the required strength, so the weight of the entire glass steel pipe shell is still large, and the heavy glass steel pipe shell also requires a corresponding increase in the foundation load, if the foundation design is unreasonable or the bearing capacity is insufficient, it may cause problems such as foundation sinking and deformation, thereby affecting the stability and safety of the entire heat preservation pipeline system, therefore, the utility model provides a new solution. UTILITY MODEL CONTENT

[0004] The utility model aims at least to solve one of the technical problems existing in the prior art, and provides a central heating overhead heat preservation pipe, which can solve the problem that the glass steel pipe shell still has a large diameter and has a certain thickness to achieve the required strength, so the weight of the entire glass steel pipe shell is still large, and the heavy glass steel pipe shell also requires a corresponding increase in the foundation load, if the foundation design is unreasonable or the bearing capacity is insufficient, it may cause problems such as foundation sinking and deformation, thereby affecting the stability and safety of the entire heat preservation pipeline system.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a central heating overhead heat preservation pipe, comprising a pipeline, a first glass steel pipe shell and a second glass steel pipe shell are sleeved on the outer side of the pipeline;

[0006] The surface of the pipeline is fixedly connected with a fixing ring, the surface of the fixing ring is fixedly connected with a fixing cylinder, the inside of the fixing cylinder is slidably connected with a movable rod, the inside of the fixing cylinder is provided with a reset spring, and the two ends of the reset spring are fixedly connected with the fixing cylinder and the movable rod respectively.

[0007] The surface of the pipeline is fixedly connected with a fixing ring, the surface of the fixing ring is fixedly connected with a fixing cylinder, the inside of the fixing cylinder is slidably connected with a movable rod, the inside of the fixing cylinder is provided with a reset spring, and the two ends of the reset spring are fixedly connected with the fixing cylinder and the movable rod respectively.

[0008] The number of the fixing cylinder and the movable rod is two, and the fixing cylinder and the movable rod are fixedly connected with the fixing ring and the first glass steel pipe shell respectively.

[0009] Preferably, the pipeline and the first glass steel pipe shell are filled with polyurethane foam.

[0010] Preferably, the number of the fixing ring, the fixing cylinder, the movable rod and the reset spring is two, and the fixing ring, the fixing cylinder, the movable rod and the reset spring are symmetrically arranged on the surface of the pipeline.

[0011] Preferably, the number of the support rod is two, and the support rod is symmetrically arranged on the two sides of the pipeline.

[0012] Preferably, the surface of the first glass steel pipe shell is fixedly connected with a first connecting ring, and the inner wall of the second glass steel pipe shell is fixedly connected with a second connecting ring.

[0013] Preferably, the number of the first connecting ring and the second connecting ring is two, and the first connecting ring and the second connecting ring are symmetrically arranged on the two sides of the first glass steel pipe shell.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The centralized heat supply overhead heat preservation pipe is provided with a plurality of through grooves on the surface of the first glass steel pipe shell, and the inner wall of the first glass steel pipe shell is fixedly connected with a support ring, so that the self weight of the first glass steel pipe shell is reduced, the load of the heat preservation pipe is reduced, the structural strength of the first glass steel pipe shell is enhanced, the overall stability and durability of the pipeline are improved, the safety during use is improved, the heat preservation performance is optimized, the first glass steel pipe shell can be deformed under external pressure, damage to the first glass steel pipe shell caused by thermal expansion and cold contraction of the pipeline is prevented, and the service life of the first glass steel pipe shell is prolonged.

[0016] 2. The central heating overhead heat preservation pipe, through setting the fixing cylinder, the movable rod and the reset spring between the pipeline and the first glass steel pipe shell, the pipeline expands under the action of heat expansion or other external force, and the combined structure of the fixing cylinder, the movable rod and the reset spring can effectively absorb and buffer the displacement caused by the expansion, so that the overall stability and safety of the pipeline system are maintained, the reset spring not only provides additional support for the first glass steel pipe shell, but also plays a buffering role when the pipeline is displaced, reduces the influence of displacement on the pipeline system, thereby enhancing the stability of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated below in combination with the drawings and embodiments:

[0018] Figure 1 It is a central heating overhead heat preservation pipe structure schematic view of the utility model;

[0019] Figure 2 It is a support rod schematic view of the utility model;

[0020] Figure 3 It is a first glass steel pipe shell schematic view of the utility model;

[0021] Figure 4 It is a reset spring schematic view of the utility model.

[0022] Reference signs: 1, pipeline; 2, first glass steel pipe shell; 3, second glass steel pipe shell; 4, fixed ring; 5, fixed cylinder; 6, movable rod; 7, reset spring; 8, first connecting ring; 9, second connecting ring; 10, support rod; 11, through slot; 12, support ring. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] In the description of the utility model, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0025] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a central heating overhead heat preservation pipe, including pipeline 1, the outside of pipeline 1 is equipped with first glass steel pipe shell 2 and second glass steel pipe shell 3, heat preservation pipe subassembly, heat preservation pipe subassembly is arranged on the surface of first glass steel pipe shell 2, heat preservation pipe subassembly includes multiple through slots 11, multiple through slots 11 are all set in the surface of first glass steel pipe shell 2, the inner wall of first glass steel pipe shell 2 is fixedly connected with support ring 12, support ring 12 is helical, the inside of second glass steel pipe shell 3 is provided with multiple support rods 10, the both ends of multiple support rods 10 are fixedly connected with first glass steel pipe shell 2 and second glass steel pipe shell 3 respectively, the surface of pipeline 1 is fixedly connected with fixed ring 4, the surface of fixed ring 4 is fixedly connected with fixed cylinder 5, the inside of fixed cylinder 5 is slidably connected with movable rod 6, the inside of fixed cylinder 5 is provided with reset spring 7, the both ends of reset spring 7 are fixedly connected with fixed cylinder 5 and movable rod 6 respectively, the number of fixed cylinder 5 and movable rod 6 is multiple, multiple fixed cylinder 5 and multiple movable rod 6 are fixedly connected with fixed ring 4 and first glass steel pipe shell 2 respectively.

[0028] By setting through slot 11 on the surface of first glass steel pipe shell 2 and fixing support ring 12 on the inner wall of first glass steel pipe shell 2, the setting of through slot 11 can reduce the dead weight of first glass steel pipe shell 2, reduce the load of heat preservation pipe to first glass steel pipe shell 2, support ring 12 can enhance the structural strength of first glass steel pipe shell 2, help to improve the overall stability and durability of pipeline, optimize heat preservation performance at the same time, make first glass steel pipe shell 2 can be deformed under the action of external pressure, prevent first glass steel pipe shell 2 from causing damage to first glass steel pipe shell 2 under the condition of thermal expansion and contraction of pipeline 1, improve the service life of first glass steel pipe shell 2.

[0029] By setting the fixed cylinder 5, the movable rod 6 and the reset spring 7 between the pipeline 1 and the first glass steel pipe shell 2, the pipeline 1 can expand under the action of heat expansion or other external force, and the combined structure of the fixed cylinder 5, the movable rod 6 and the reset spring 7 can effectively absorb and buffer the displacement caused by expansion, thereby maintaining the overall stability and safety of the pipeline system. The reset spring 7 not only provides additional support for the first glass steel pipe shell 2, but also acts as a buffer when the pipeline displaces, reducing the impact of displacement on the pipeline system, thereby enhancing the stability of the pipeline.

[0030] The setting of the support rod 10 can support the second glass steel pipe shell 3, which can effectively prevent the second glass steel pipe shell 3 from deforming or displacing due to factors such as self-weight, temperature change or external pressure, thereby ensuring the stability and safety of the pipeline 1 in long-term use, helping to maintain the balance of the pipeline system and preventing damage caused by excessive local stress, while also improving the overall carrying capacity and durability of the pipeline system.

[0031] The pipeline 1 and the first glass steel pipe shell 2 are filled with polyurethane foam, and the first glass steel pipe shell 2 and the second glass steel pipe shell 3 are also filled with polyurethane foam.

[0032] The pipeline 1 and the first glass steel pipe shell 2 are filled with polyurethane foam, and the first glass steel pipe shell 2 and the second glass steel pipe shell 3 are also filled with polyurethane foam. As a highly efficient thermal insulation material, polyurethane foam has extremely low thermal conductivity and excellent closed cell structure, which can effectively prevent heat transfer inside and outside the pipeline, thereby significantly improving the thermal insulation effect and reducing energy loss. Through the setting of the through slot 11 and the support ring 12, the anti-deformation ability of the pipeline 1 under external pressure or temperature change can be improved, and the firmness between the polyurethane foam and the pipeline 1, the first glass steel pipe shell 2 and the second glass steel pipe shell 3 can be enhanced, preventing the pipeline 1 from being damaged due to excessive stress, and also helping to maintain the balance and stability of the pipeline system.

[0033] The number of fixed rings 4, fixed cylinders 5, movable rods 6 and reset springs 7 is two, which are symmetrically arranged on the surface of the pipeline 1.

[0034] The number of support rods 10 is two, which are symmetrically arranged on both sides of the pipeline 1.

[0035] The first glass steel pipe shell 2 is fixedly connected with a first connecting ring 8, and the inner wall of the second glass steel pipe shell 3 is fixedly connected with a second connecting ring 9. The number of the first connecting ring 8 and the second connecting ring 9 is two, which are symmetrically arranged on both sides of the first glass steel pipe shell 2.

[0036] The installation of the first connecting ring 8, the second connecting ring 9 and the support rod 10 can effectively connect the first glass steel pipe shell 2 and the second glass steel pipe shell 3 together to form a more stable overall structure, which can enhance the anti-deformation ability of the heat preservation pipe under external pressure or temperature change, prevent the heat preservation pipe from being damaged due to excessive stress, and provide additional support to make the pipeline 1 more stable when conveying medium, prolong the service life of the pipeline 1, and reduce the heat transfer between the inside and outside of the heat preservation pipe through the support rod 10, thereby reducing energy loss. In addition, the support rod 10 can also prevent the heat preservation material from loosening or falling off during long-term use, further ensuring the heat preservation performance of the heat preservation pipe.

[0037] Structure description: pipeline 1: is the core of the entire pipeline system, used for conveying high-temperature steam;

[0038] First glass steel pipe shell 2: set outside the pipeline 1, filled with polyurethane foam between the pipeline 1, plays a certain heat preservation and protection role for the pipeline 1;

[0039] Its surface is provided with a through groove 11 to reduce the self-weight and reduce the load on the heat preservation pipe; the support ring 12 fixed on the inner wall can enhance the structural strength;

[0040] Second glass steel pipe shell 3: set outside the first glass steel pipe shell 2, filled with polyurethane foam between the first glass steel pipe shell 2, further enhancing the heat preservation effect;

[0041] The support rod 10 inside the second glass steel pipe shell 3 can prevent it from deforming or displacing due to factors such as self-weight, temperature change or external pressure, ensuring the stability and safety of the pipeline during long-term use, and improving the overall carrying capacity and durability of the pipeline system;

[0042] Fixed ring 4: fixed on the surface of the pipeline 1, used for connecting the fixed cylinder 5, providing a mounting base for the fixed cylinder 5, the movable rod 6 and the return spring 7, and assisting in maintaining the structural stability of the pipeline system;

[0043] Fixed cylinder 5: fixedly connected with the fixed ring 4, internally slidably connected with the movable rod 6, and cooperated with the movable rod 6 and the return spring 7 to absorb and buffer the expansion displacement of the pipeline 1 caused by thermal expansion or external force, thereby maintaining the overall stability and safety of the pipeline system;

[0044] Movable rod 6: slidable in the fixed cylinder 5, cooperated with the fixed cylinder 5 and the return spring 7 to play a buffering and adjusting role when the pipeline 1 displaces, thereby enhancing the stability of the pipeline;

[0045] Reset spring 7: its two ends are fixed with fixed cylinder 5 and movable rod 6 respectively, and provides additional support force for first glass steel pipe shell 2;

[0046] And when the pipeline displacement plays a buffering effect, reduces the influence of displacement on the pipeline system, maintains the stability of the pipeline system;

[0047] First connecting ring 8: fixed on the surface of first glass steel pipe shell 2, cooperate with second connecting ring 9 in the inner wall of second glass steel pipe shell 3, and support rod 10 together connect first glass steel pipe shell 2 and second glass steel pipe shell 3 to form a stable overall structure;

[0048] Enhance the anti-deformation ability of the heat preservation pipe under external pressure or temperature change, prevent the heat preservation pipe from being damaged due to excessive stress, provide additional support for the pipeline, make the pipeline conveying medium more stable, prolong the service life of the pipeline;

[0049] Second connecting ring 9: fixed in the inner wall of second glass steel pipe shell 3, cooperate with first connecting ring 8, connect first glass steel pipe shell 2 and second glass steel pipe shell 3, enhance the stability of the overall structure, improve the anti-deformation ability of the heat preservation pipe, etc.;

[0050] Support rod 10: its two ends are fixed with first glass steel pipe shell 2 and second glass steel pipe shell 3 respectively, support second glass steel pipe shell 3 to prevent its deformation or displacement;

[0051] Help to maintain the balance of the pipeline system, prevent damage caused by excessive local stress, improve the overall carrying capacity and durability of the pipeline system, also can reduce heat transfer, prevent the heat preservation material loose or fall off, ensure the heat preservation performance of the heat preservation pipe;

[0052] Through slot 11: open in the surface of first glass steel pipe shell 2, can reduce the self weight of first glass steel pipe shell 2, reduce its load on the heat preservation pipe, also can increase the anti-deformation ability of pipeline 1 under external pressure or temperature change, enhance the firmness between polyurethane foam and pipeline related structure;

[0053] Support ring 12: fixed in the inner wall of first glass steel pipe shell 2 in spiral shape, enhance the structural strength of first glass steel pipe shell 2, improve the overall stability and durability of the pipeline, optimize the heat preservation performance, so that first glass steel pipe shell 2 can deform appropriately under external pressure and pipeline thermal expansion and contraction, protect itself.

[0054] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A central heating overhead insulated pipe, characterized by: The pipeline (1) is sleeved with a first glass steel pipe shell (2) and a second glass steel pipe shell (3) on the outside. The heat preservation pipe assembly is arranged on the surface of the first glass steel pipe shell (2), and comprises a plurality of through grooves (11) arranged on the surface of the first glass steel pipe shell (2), a support ring (12) fixedly connected to the inner wall of the first glass steel pipe shell (2), the support ring (12) being in a spiral shape, and a plurality of support rods (10) arranged in the second glass steel pipe shell (3) and fixedly connected to the first glass steel pipe shell (2) and the second glass steel pipe shell (3) at both ends. The surface of the pipeline (1) is fixedly connected with a fixing ring (4), the surface of the fixing ring (4) is fixedly connected with a fixing cylinder (5), the inside of the fixing cylinder (5) is slidably connected with a movable rod (6), the inside of the fixing cylinder (5) is provided with a reset spring (7), and both ends of the reset spring (7) are fixedly connected with the fixing cylinder (5) and the movable rod (6). The number of the fixing cylinder (5) and the movable rod (6) is multiple, and the plurality of fixing cylinders (5) and the plurality of movable rods (6) are fixedly connected with the fixing ring (4) and the first glass steel pipe shell (2) respectively.

2. A centrally heated overhead insulated pipe according to claim 1, characterised in that: The pipeline (1) and the first glass steel pipe shell (2) are filled with polyurethane foam, and the first glass steel pipe shell (2) and the second glass steel pipe shell (3) are filled with polyurethane foam.

3. The central heating aerial thermal insulated pipe according to claim 1, characterized in that: The number of the fixing ring (4), the fixing cylinder (5), the movable rod (6) and the reset spring (7) is two groups respectively arranged symmetrically on the surface of the pipeline (1).

4. The central heating overhead insulated pipe according to claim 1, characterized in that: The number of the support rod (10) is two groups respectively arranged symmetrically on both sides of the pipeline (1).

5. The central heating overhead insulated pipe according to claim 1, characterized in that: The surface of the first glass steel pipe shell (2) is fixedly connected with a first connecting ring (8), and the inner wall of the second glass steel pipe shell (3) is fixedly connected with a second connecting ring (9).

6. A centrally heated overhead insulated pipe according to claim 5, wherein: The number of the first connecting ring (8) and the second connecting ring (9) is two respectively arranged symmetrically on both sides of the first glass steel pipe shell (2).

Images