CN216715557U

CN216715557U - High-temperature-resistant metal compensator

Info

Publication number: CN216715557U
Application number: CN202123056278.5U
Authority: CN
Inventors: 刘根喜; 叶吉祥
Original assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Current assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-10
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of metal expansion joint compensators, in particular to a high-temperature-resistant metal compensator which comprises a pipe body, wherein the upper side and the lower side of the pipe body are fixedly connected with flange plates, the side surface of the flange plate at the upper side is fixedly connected with four through-core blocks, the side surface of the flange plate at the lower side is fixedly connected with four thread blocks, the side surface of the inner wall of each through-core block is movably inserted with a threaded rod, the lower side of the threaded rod is in threaded connection with the side surface of the inner wall of each thread block, the upper side of the threaded rod is in threaded connection with a nut, the lower side of the nut is fixedly connected with the top surface of the flange plate at the upper side, and the outer side surface of the pipe body is fixedly sleeved with a fixing ring. According to the utility model, the high-temperature resistant layer made of the aluminum silicate fiber material has good high-temperature resistance and thermal stability, low thermal conductivity and strong heat insulation performance, and the metal expansion joint is not deformed due to high temperature because of small thermal expansion, so that the metal expansion joint has high practicability.

Description

High-temperature-resistant metal compensator

Technical Field

The utility model relates to the technical field of metal expansion joint compensators, in particular to a metal compensator.

Background

An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage.

When the existing metal expansion joint on the market is installed on a pipeline of high-temperature equipment such as a steel furnace and the like, the temperature of the whole pipeline is higher, so that the metal expansion joint is easy to deform due to higher temperature, the metal expansion joint loses the effect, the metal expansion joint is lower in practicability, and the temperature of the metal expansion joint is higher due to the contact between the metal expansion joint and the outer side of the pipeline, so that the hand of people can be easily scalded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature-resistant metal compensator to solve the problems that the metal expansion joint provided in the background technology has lower practicability and easily scalds hands of people.

In order to achieve the purpose, the utility model provides the following technical scheme: the high-temperature-resistant metal compensator comprises a pipe body, wherein the upper side and the lower side of the pipe body are fixedly connected with flange plates, the side surface of the flange plate at the upper side is fixedly connected with four through-center blocks, the side surface of the flange plate at the lower side is fixedly connected with four thread blocks, the side surface of the inner wall of each through-center block is movably inserted with a threaded rod, the lower side of the threaded rod is in threaded connection with the side surface of the inner wall of each thread block, the upper side of the threaded rod is in threaded connection with a nut, and the lower side of the nut is fixedly connected with the top surface of the flange plate at the upper side;

the fixed solid fixed ring that has cup jointed of lateral surface of body, the circular slot has been seted up in solid fixed ring's the outside, the fixed protective layer that has cup jointed in solid fixed ring's the outside, both sides about the protective layer respectively with both sides fixed connection about two ring flanges, the side fixedly connected with insulating layer of body inner wall, the side fixedly connected with high temperature resistant layer of insulating layer inner wall.

Preferably, the material of the high temperature resistant layer is aluminum silicate fiber, and the thickness of the high temperature resistant layer is 5 cm.

Preferably, the material of insulating layer is ceramic fiber, the thickness of insulating layer equals for the thickness of body.

Preferably, the protective layer is made of bamboo fiber cloth with the thickness of 5 mm.

Preferably, the number of the fixing rings is fourteen, and the fourteen fixing rings are made of austenitic stainless steel.

Preferably, the material of the pipe body is a stainless steel corrugated pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the high-temperature resistant layer made of the aluminum silicate fiber material has good high temperature resistance and thermal stability, the thermal conductivity is lower, the heat insulation performance is stronger, and the thermal expansion is smaller, so that the metal expansion joint cannot be deformed due to higher temperature, and the practicability of the metal expansion joint is higher.

According to the utility model, through the matching of the fixed ring, the circular groove, the heat insulation layer and other structures fixedly connected with the outer side of the pipe body, the heat insulation layer made of ceramic fiber has better high temperature resistance, better thermal stability and linearity and better mechanical vibration resistance, so that the temperature of the pipeline is isolated through the heat insulation layer, partial heat is eliminated through the circular groove, the temperature of the metal expansion joint cannot be increased due to the pipeline, and the hands of people cannot be scalded.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial perspective view of the present invention;

fig. 3 is a partial perspective view of the present invention.

In the figure: 1. a pipe body; 2. a flange plate; 3. a core-through block; 4. a thread block; 5. a threaded rod; 6. a nut; 7. a fixing ring; 8. a thermal insulation layer; 9. a high temperature resistant layer; 10. a circular groove; 11. and (4) a protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the high-temperature-resistant metal compensator comprises a pipe body 1, wherein flange plates 2 are fixedly connected to the upper side and the lower side of the pipe body 1, four through center blocks 3 are fixedly connected to the side surfaces of the upper flange plate 2, four thread blocks 4 are fixedly connected to the side surfaces of the lower flange plate 2, a threaded rod 5 is movably inserted into the side surface of the inner wall of each through center block 3, the lower side of each threaded rod 5 is in threaded connection with the side surface of the inner wall of each thread block 4, a nut 6 is in threaded connection with the upper side of each threaded rod 5, and the lower side of each nut 6 is fixedly connected with the top surface of the upper flange plate 2;

the outer side of the pipe body 1 is fixedly sleeved with a fixing ring 7, the outer side of the fixing ring 7 is provided with a circular groove 10, the outer side of the fixing ring 7 is fixedly sleeved with a protective layer 11, the upper side and the lower side of the protective layer 11 are fixedly connected with the upper side and the lower side of the two flange plates 2 respectively, the side of the inner wall of the pipe body 1 is fixedly connected with a heat insulation layer 8, and the side of the inner wall of the heat insulation layer 8 is fixedly connected with a high temperature resistant layer 9.

In this embodiment, as shown in fig. 3, the material of the high temperature resistant layer 9 is aluminum silicate fiber, the thickness of the high temperature resistant layer 9 is 5cm, the aluminum silicate fiber has light weight, good high temperature resistance and thermal stability, low thermal conductivity, strong heat insulation performance, and small thermal expansion.

In this embodiment, as shown in fig. 3, the heat insulating layer 8 is made of ceramic fiber, the thickness of the heat insulating layer 8 is equal to that of the pipe body 1, and the ceramic fiber has the advantages of high temperature resistance, good thermal stability, small specific heat, good mechanical shock resistance and the like.

In this embodiment, as shown in fig. 1, the protective layer 11 is made of a bamboo fiber cloth with a thickness of 5 mm.

In this embodiment, as shown in fig. 2 and 3, the number of the fixing rings 7 is fourteen, and the fourteen fixing rings 7 are made of austenitic stainless steel, which is nonmagnetic, has high toughness and plasticity, and has good machinability.

In this embodiment, as shown in fig. 3, the pipe body 1 is made of a corrugated stainless steel pipe, which has high bending fatigue strength and corrosion resistance, and has good welding performance.

The use method and the advantages of the utility model are as follows: when the high-temperature-resistant metal compensator is used for a metal expansion joint, the working process is as follows:

as shown in fig. 1, 2 and 3, the side fixedly connected with insulating layer 8 through the body 1 inner wall, the side fixedly connected with high temperature resistant layer 9 of insulating layer 8 inner wall have good high temperature resistance and thermal stability through the alumina silicate fibre, and the thermal conductivity is lower, has stronger heat-proof quality, and thereby it can not lead to the deformation because of the temperature is higher to be heated the expansion joint less to make the metal expansion joint practicality higher.

Through the solid fixed ring 7 of outside fixedly connected with of body 1, gu circular slot 10 has been seted up in fixed ring's the outside, side fixedly connected with insulating layer 8 through 1 inner wall of body, insulating layer 8 through ceramic fibre material has better high temperature resistance, better thermal stability is linear, better resistant mechanical shock nature has, thereby make the temperature of pipeline keep apart through insulating layer 8, partial heat is eliminated through circular slot 10, thereby make the temperature of metal expansion joint can not uprise because of the pipeline, thereby make people's hand can not scalded.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature resistant metal compensator, includes body (1), its characterized in that: the pipe is characterized in that the upper side and the lower side of the pipe body (1) are fixedly connected with flange plates (2), the side surface of the flange plate (2) at the upper side is fixedly connected with four through-core blocks (3), the side surface of the flange plate (2) at the lower side is fixedly connected with four thread blocks (4), the side surface of the inner wall of each through-core block (3) is movably inserted with a threaded rod (5), the lower side of each threaded rod (5) is in threaded connection with the side surface of the inner wall of each thread block (4), the upper side of each threaded rod (5) is in threaded connection with a nut (6), and the lower side of each nut (6) is fixedly connected with the top surface of the flange plate (2) at the upper side;

the fixed solid fixed ring (7) that has cup jointed of lateral surface of body (1), circular slot (10) have been seted up in the outside of solid fixed ring (7), the fixed inoxidizing coating (11) that has cup jointed in the outside of solid fixed ring (7), both sides about inoxidizing coating (11) respectively with two ring flange (2) both sides fixed connection from top to bottom, the side fixedly connected with insulating layer (8) of body (1) inner wall, the side fixedly connected with high temperature resistant layer (9) of insulating layer (8) inner wall.

2. The refractory metal compensator of claim 1, wherein: the high-temperature resistant layer (9) is made of aluminum silicate fibers, and the thickness of the high-temperature resistant layer (9) is 5 cm.

3. The refractory metal compensator of claim 1, wherein: the heat insulation layer (8) is made of ceramic fibers, and the thickness of the heat insulation layer (8) is equal to that of the pipe body (1).

4. The refractory metal compensator of claim 1, wherein: the protective layer (11) is made of bamboo fiber cloth with the thickness of 5 mm.

5. The refractory metal compensator of claim 1, wherein: the number of the fixing rings (7) is fourteen, and the fourteen fixing rings (7) are made of austenitic stainless steel.

6. The refractory metal compensator of claim 1, wherein: the pipe body (1) is made of a stainless steel corrugated pipe.