CN219140222U

CN219140222U - Insulating shrinkage joint heat preservation mechanism of low temperature

Info

Publication number: CN219140222U
Application number: CN202223511565.5U
Authority: CN
Inventors: 刘园元; 艾会斌
Original assignee: Nantong Gelin Marine Engineering Co ltd
Current assignee: Nantong Gelin Marine Engineering Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a low-temperature insulation shrinkage joint heat preservation mechanism which comprises a pipeline, a heat preservation layer, a moisture-proof layer and a limiting arc plate and is characterized in that the heat preservation layer is arranged on the outer side of the pipeline, the moisture-proof layer is arranged on the outer side of the heat preservation layer, the heat preservation layer is divided into an upper layer and a lower layer, the upper layer and the lower layer are respectively made of glass wool and rubber-plastic wool, the glass wool is attached to the outer wall of the pipeline, glass steel is arranged at the upper end and the lower end of the heat preservation layer, and high-elasticity rubber, a shrinkage joint fixing end and a shrinkage joint glass steel protection layer are arranged at one end, far away from the pipeline, of the two glass steels. According to the utility model, not only can the efficient release of material shrinkage stress of the pipeline heat-insulating layer be ensured to the greatest extent when a low-temperature medium passes through the combination of the high-elasticity rubber and the rubber-plastic cotton, but also the friction plate is attached to the pipeline, so that the limiting arc plate is arranged on the pipeline to limit and fix the heat-insulating layer, and the limiting arc plate is also clamped inside the limiting arc plate through the limiting rod, so that the two limiting arc plates are attached.

Description

Insulating shrinkage joint heat preservation mechanism of low temperature

Technical Field

The utility model relates to the technical field of heat preservation of shrinkage joints, in particular to a low-temperature insulation heat preservation mechanism of a shrinkage joint.

Background

The shrinkage joint is an expansion joint, and is a structural joint arranged at a proper position along the pipeline direction in order to prevent the pipeline member from generating cracks or damages due to climate and temperature changes, and the shrinkage joint needs to be subjected to heat preservation treatment in order to reduce the influence of temperature changes on the pipeline.

In the system design, the shrinkage joint adopts a butyl rubber belt filled with glass wool as a waterproof layer for sealing and dampproofing, and the defect is that the butyl rubber belt is easy to break in the shrinkage process, thereby losing the dampproofing effect, and the glass wool of an internal shrinkage joint heat insulation filling material is frozen in water, so that the heat insulation of the low-temperature pipeline insulation system is invalid.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a low-temperature insulation shrinkage joint heat preservation mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a low temperature insulation shrinkage joint heat preservation mechanism, includes pipeline, heat preservation, dampproof course and limit arc board, the heat preservation is installed in the pipeline outside, the dampproof course is installed to the heat preservation outside, the heat preservation divide into upper and lower two-layer, and upper and lower two-layer is glass wool and rubber and plastic cotton respectively, glass wool laminates with the pipeline outer wall mutually, both ends equal fixed mounting has glass steel about the heat preservation, two equal fixed mounting has high elasticity rubber, shrinkage joint stiff end and shrinkage joint glass steel inoxidizing coating in pipeline one end is kept away from to glass steel, the protection is covered to high elasticity rubber to the shrinkage joint glass steel inoxidizing coating, two above limit arc boards are evenly installed in the pipeline outside, and the limit arc board laminates mutually with the heat preservation side.

Further, a drain hole is formed in the bottom end of one of the shrinkage joint glass fiber reinforced plastic protective layers.

Further, an arc groove is formed in the limiting arc plate, and two adjacent limiting arc plates are connected in a rotating mode through a hinge.

Further, two adjacent spacing arc plates keep away from one end each other and equal slidable mounting has T type circle piece, T type circle piece one end extends to inside the arc wall and fixed mounting has the friction disc, the friction disc is laminated mutually with the pipeline outer wall.

Furthermore, a first spring is arranged on the outer side of the T-shaped round block, and two ends of the first spring are respectively and fixedly arranged on the T-shaped round block and the limiting arc plate.

Further, one of the limiting arc plates is provided with a limiting rod in a sliding mode, and the bottom end of the limiting rod extends to the inside of the arc-shaped groove to be fixedly provided with a circular plate.

Furthermore, a second spring is arranged on the annular side face of the limiting rod, and the upper end and the lower end of the second spring are respectively and fixedly arranged on the limiting arc plate and the circular plate.

Further, a limiting hole is formed in the other limiting arc plate, and the bottom end of the limiting rod extends to the inside of the limiting hole.

The beneficial effects of the utility model are as follows:

1. through high elastic rubber and the cotton combination of rubber and plastic, can furthest guarantee the effective release of material shrinkage stress when low temperature medium passes through of pipeline heat preservation, reduce because low temperature pipeline heat preservation fracture risk, and then improved the heat preservation effect of shrinkage joint.

2. Laminating through friction disc and pipeline, and then install spacing arc board and carry out spacing fixedly to the heat preservation on the pipeline, install spacing arc board on the pipeline to rotate spacing arc board around the hinge, spacing arc board rotates and drives friction disc and pipeline laminating, and then the pipeline extrudees the friction disc, makes the friction disc remove, and the friction disc removes and drives T type circle piece and remove, and T type circle piece removes and stretches first spring, makes first spring produce elasticity, and first spring force has improved the pressure of friction disc to the pipeline and has held the dynamics.

3. Through the gag lever post joint inside spacing arc board, and then make two spacing arc boards laminating, when two spacing arc boards laminating, gag lever post one end aligns with spacing hole, under the effect of two elasticity of spring, the gag lever post removes into spacing hole inside, and then makes two spacing arc boards closely laminate, fixes the position of spacing arc board through the frictional force between friction disc and the pipeline, and then prescribes a limit to the position of heat preservation.

Drawings

Fig. 1 is a schematic perspective view of a thermal insulation mechanism of a low-temperature insulation shrinkage joint according to the present utility model;

fig. 2 is a schematic diagram of a partial sectional structure of a thermal insulation mechanism of a low-temperature insulation shrinkage joint according to the present utility model;

fig. 3 is a schematic diagram of a cross-sectional structure of a limiting arc plate of a thermal insulation mechanism of a low-temperature insulation shrinkage joint.

In the figure: 1. a pipe; 2. a heat preservation layer; 3. a moisture barrier; 4. glass wool; 5. rubber-plastic cotton; 6. glass fiber reinforced plastic; 7. a high elastic rubber; 8. a fixed end of the shrinkage joint; 9. a glass fiber reinforced plastic protective layer of the shrinkage joint; 10. limiting arc plates; 11. a friction plate; 12. t-shaped round blocks; 13. a first spring; 14. a limit rod; 15. a circular plate; 16. a second spring; 17. a limiting hole; 18. and a drain hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-3, a low temperature insulation shrinkage joint heat preservation mechanism, including pipeline 1, heat preservation 2, dampproof course 3, and spacing arc board 10, heat preservation 2 is installed in the pipeline 1 outside, the material of heat preservation 2 is polyurethane, the design of heat preservation 2 is convenient for keep warm the shrinkage joint of pipeline 1, dampproof course 3 is installed in the heat preservation 2 outside, dampproof course 3's design is convenient for carry out waterproof protection to heat preservation 2, heat preservation 2 divide into upper and lower two-layer, and upper and lower two-layer are glass wool 4 and rubber and plastic cotton 5 respectively, glass wool 4 is laminated with pipeline 1 outer wall mutually, glass steel 6 is all installed at heat preservation 2 upper and lower both ends, high elasticity rubber 7 is all installed to two glass steel 6 keep away from pipeline 1 one end, shrinkage joint stiff end 8 and shrinkage joint glass steel 9, utilize high elasticity rubber 7 and rubber and plastic cotton 5 to make up, can furthest's assurance pipeline 1 heat preservation 2 when low temperature medium passes through the effective release of material shrinkage stress, reduce because low temperature pipeline 1 layer 2 ftracture risk, shrinkage joint glass steel 9 covers high elasticity rubber 7 and protects two and evenly installs two thermal insulation board 10 and limit arc board 10 has been limited with the thermal insulation board, and the thermal arc board is put forward to the limit effect of limiting arc board is put up to the protection.

In the utility model, it is to be noted that the bottom end of one shrinkage joint glass fiber reinforced plastic protective layer 9 is provided with a drain hole 18, the design of the drain hole 18 is convenient for draining water on the heat insulation layer 2 of the pipeline 1, the inside of the limiting arc plate 10 is provided with an arc groove, two adjacent limiting arc plates 10 are rotationally connected through a hinge, the design is convenient for the two limiting arc plates 10 to rotationally connect, one ends, far away from each other, of the two adjacent limiting arc plates 10 are respectively provided with a T-shaped circular block 12, one end of the T-shaped circular block 12 extends into the arc groove and is fixedly provided with a friction plate 11, the friction plate 11 is attached to the outer wall of the pipeline 1, the design of the friction plate 11 is convenient for fixing the limiting arc plates 10 on the pipeline 1, the position of the heat insulation layer 2 is further fixed, the outer side of the T-shaped circular block 12 is provided with a first spring 13, two ends of the first spring 13 are respectively welded on the T-shaped circular block 12 and the limiting arc plates 10, and the design of the first spring 13 improves the pressing force of the friction plate 11 on the pipeline 1, and further improves the stability of the limiting arc plates 10.

In particular, a limiting rod 14 is slidably mounted on one limiting arc plate 10, a circular plate 15 is welded in the arc groove extending from the bottom end of the limiting rod 14, a second spring 16 is mounted on the annular side surface of the limiting rod 14, the upper end and the lower end of the second spring 16 are welded on the limiting arc plate 10 and the circular plate 15 respectively, the second spring 16 is convenient for moving and resetting the limiting rod 14, a limiting hole 17 is formed in the other limiting arc plate 10, the bottom end of the limiting rod 14 extends into the limiting hole 17, and the limiting hole 17 is convenient for connecting the two limiting arc plates 10.

Working principle: through high elasticity rubber 7 and the cotton 5 combination of rubber and plastic, can furthest guarantee the effective release of material shrink stress when low temperature medium passes through pipeline 1 heat preservation 2, reduce because low temperature pipeline 1 heat preservation 2 fracture risk, and then the heat preservation effect of shrinkage joint has been improved, pulling gag lever post 14, gag lever post 14 removes and drive plectane 15 and remove, and then extrude spring two 16, make spring two 16 produce elasticity, install limit arc board 10 on pipeline 1, and rotate limit arc board 10 around the hinge, limit arc board 10 rotates and drives friction disc 11 and pipeline 1 laminating, and then pipeline 1 extrudees friction disc 11, make friction disc 11 remove, friction disc 11 removes and drives T type circle piece 12 and remove, T type circle piece 12 removes and stretches spring one 13, make spring one 13 produce elasticity, the elasticity of spring one 13 has improved the holding dynamics of friction disc 11 to pipeline 1, when two limit arc boards 10 paste, gag lever post 14 one end aligns with spacing hole 17, under the effect of spring two 16 elasticity, limit lever post 14 moves into spacing hole 17 inside, and then pipeline 1 extrudees, make friction disc 11 remove, make the friction disc 11 remove, make and then, make the position of two limit arc boards 10 and the position of limiting arc board 2 to be closely fixed between the position of limiting layer 1.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components.

Claims

1. The utility model provides a low temperature insulation shrinkage joint heat preservation mechanism, includes pipeline (1), heat preservation (2), dampproof course (3) and spacing arc board (10), its characterized in that, heat preservation (2) are installed in pipeline (1) outside, dampproof course (3) are installed in heat preservation (2) outside, heat preservation (2) divide into upper and lower two-layer, and upper and lower two-layer are glass wool (4) and rubber and plastic cotton (5) respectively, glass wool (4) laminate with pipeline (1) outer wall mutually, equal fixed mounting in both ends has glass steel (6) about heat preservation (2), two equal fixed mounting in pipeline (1) one end is kept away from to glass steel (6) has high elastic rubber (7), shrinkage joint stiff end (8) and shrinkage joint glass steel inoxidizing coating (9), shrinkage joint glass steel inoxidizing coating (9) cover the protection to high elastic rubber (7), two more spacing arc boards (10) are evenly installed in the pipeline (1) outside, and spacing arc board (10) laminate with heat preservation (2) side mutually.

2. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 1, wherein a drain hole (18) is formed in the bottom end of one of the shrinkage joint glass fiber reinforced plastic protective layers (9).

3. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 1, wherein an arc groove is formed in the limiting arc plate (10), and two adjacent limiting arc plates (10) are connected in a rotating mode through a hinge.

4. A low-temperature insulation shrinkage joint heat preservation mechanism according to claim 3, wherein two adjacent limit arc plates (10) are respectively provided with a T-shaped round block (12) in a sliding manner at the far end of each limit arc plate, one end of each T-shaped round block (12) extends into the arc groove and is fixedly provided with a friction plate (11), and the friction plates (11) are attached to the outer wall of the pipeline (1).

5. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 4, wherein a first spring (13) is arranged on the outer side of the T-shaped round block (12), and two ends of the first spring (13) are fixedly arranged on the T-shaped round block (12) and the limiting arc plate (10) respectively.

6. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 1, wherein one limiting arc plate (10) is slidably provided with a limiting rod (14), and a circular plate (15) is fixedly arranged at the bottom end of the limiting rod (14) extending into the arc groove.

7. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 6, wherein a second spring (16) is installed on the annular side face of the limiting rod (14), and the upper end and the lower end of the second spring (16) are fixedly installed on the limiting arc plate (10) and the circular plate (15) respectively.

8. The low-temperature insulation shrinkage joint heat preservation mechanism according to claim 6, wherein the other limiting arc plate (10) is provided with a limiting hole (17), and the bottom end of the limiting rod (14) extends into the limiting hole (17).