CN218236575U

CN218236575U - High-temperature-resistant heat-preservation elbow

Info

Publication number: CN218236575U
Application number: CN202222730407.2U
Authority: CN
Inventors: 董俊岭; 朱春峰; 董学康
Original assignee: Hebei Kangye Pipeline Insulation And Anti Corrosion Co ltd
Current assignee: Hebei Kangye Pipeline Insulation And Anti Corrosion Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-06
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a high temperature resistant heat preservation elbow, which comprises a flange, the first clamp of flange rear end bottom side fixedly connected with, the first location of the equal fixedly connected with in first clamp external diameter left and right sides is detained, first clamp top is provided with the second clamp, the equal fixedly connected with second location in the second clamp external diameter left and right sides is detained, the second location is detained and is all run through with first location knot top and be provided with the screw hole, the threaded hole all runs through threaded connection has the threaded rod, run through and be provided with the blotter between second clamp and the first clamp, the blotter external diameter runs through and fixed connection polyethylene outer tube. The utility model discloses in, polyurethane foam heat preservation outside the steel pipe at first, guarantee medium temperature, the temperature of interior work pipe fitting is carborundum heat-resistant layer in polyurethane foam heat preservation, and is high temperature resistant, and intensity is high, effectively strengthens the high temperature resistance ability of elbow, is the high density polyethylene anticorrosive coating in the carborundum heat-resistant layer, and the protection elbow avoids corroding.

Description

High-temperature-resistant heat-preservation elbow

Technical Field

The utility model relates to a heat preservation elbow field especially relates to a high temperature resistant heat preservation elbow.

Background

In the use process of the heat preservation elbow, the heat preservation elbow is widely used for connecting and steering heat preservation straight pipes, the heat preservation elbow is widely used for liquid and gas conveying pipe networks, chemical pipeline heat preservation engineering petroleum, chemical industry, central heating supply heat networks, central air conditioning ventilation pipelines and municipal engineering pipeline bends, and the heat preservation elbow is also applied to the high temperature resistant field.

At present, a pipe bender is needed to be used for carrying out high-temperature-resistant operation on a pipeline in the use process of a heat-insulating elbow so as to facilitate pipeline use, but the existing heat-insulating elbow is poor in heat resistance, poor in sealing performance, not remarkable in heat-insulating effect and not strong in pressure resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high temperature resistant heat preservation elbow.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature resistant heat preservation elbow, includes the flange, the first clamp of flange rear end bottom side fixedly connected with, the first location of the equal fixedly connected with in first clamp external diameter left and right sides is detained, first clamp top is provided with the second clamp, the equal fixedly connected with second location in the second clamp external diameter left and right sides is detained, the second location is detained and is detained the top with first location and all runs through and be provided with the screw hole, all run through threaded connection has the threaded rod in the threaded hole, run through and be provided with the blotter between second clamp and the first clamp, the blotter external diameter runs through and fixed connection polyethylene outer tube, the blotter internal diameter runs through and fixed connection polyurethane foam heat preservation, polyurethane foam heat preservation internal diameter runs through and fixedly connected with steel pipe, the steel pipe internal diameter runs through and fixedly connected with carborundum heat-resistant layer internal diameter runs through and fixedly connected with high density polyethylene anticorrosive coating.

As a further description of the above technical solution:

the inner diameter of the high-density polyethylene anticorrosive layer penetrates through and is provided with an inner cavity.

As a further description of the above technical solution:

the outer diameter of the polyethylene outer sleeve penetrates through and is fixedly connected with punching convex ribs which are uniformly distributed.

As a further description of the above technical solution:

and the front end of the flange is provided with a sealing ring.

As a further description of the above technical solution:

the outer diameter of the threaded rod penetrates through the threaded rod and is in threaded connection with a nut.

As a further description of the above technical solution:

and the flange is in sliding connection with the second clamp.

As a further description of the above technical solution:

the rear end of the first clamp is fixedly connected with a polyethylene outer sleeve.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the polyurethane foam heat preservation of first outside the steel pipe guarantees medium temperature, and the temperature of interior work pipe fitting is carborundum heat-resistant layer in polyurethane foam heat preservation, and is high temperature resistant, and intensity is high, effectively strengthens the high temperature resistance ability of elbow, and the carborundum heat-resistant in situ is the high density polyethylene anticorrosive coating, and the protection elbow avoids corroding.

2. The utility model discloses in, at the external diameter of steel pipe, placed the buffer layer, and the buffer layer is fixed by the clamp, because the return bend transportation generally all is the fluid object, has the impact force, can link return bend punching press power from this, also strengthen the thickness of return bend simultaneously, also can play compressive resistance, at polyethylene outer sleeve external diameter, placed the protruding muscle of punching press, increased the intensity of elbow, prevent that the elbow from damaging, placed the flange at the clamp front end, the flange is connected with the sealing ring again, has increased the leakproofness.

Drawings

Fig. 1 is an explosion diagram of a high temperature resistant heat preservation elbow provided by the utility model;

fig. 2 is a perspective view of a high temperature resistant heat preservation elbow provided by the utility model;

fig. 3 is a top view of the high temperature resistant heat preservation elbow provided by the utility model.

Illustration of the drawings:

1. a seal ring; 2. a flange; 3. a first clamp; 4. a threaded hole; 5. a second positioning buckle; 6. a first positioning buckle; 7. a cushion pad; 8. a polyethylene outer sleeve; 9. a high density polyethylene anticorrosive layer; 10. a silicon carbide heat-resistant layer; 11. a steel pipe; 12. a polyurethane foam insulation layer; 13. a second clamp; 14. a threaded rod; 15. a nut; 16. stamping a convex rib; 17. an inner cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a high temperature resistant heat preservation elbow, including flange 2, the first clamp 3 of 2 rear end bottom side fixedly connected with of flange, the first location of the equal fixedly connected with in the 3 external diameter left and right sides of first clamp detains 5, first clamp 3 top is provided with second clamp 13, the equal fixedly connected with second location in the second clamp 13 external diameter left and right sides detains 6, second location is detained 6 and is detained 5 tops and all runs through and be provided with screw hole 4 with first location, all run through threaded connection has threaded rod 14 in the screw hole 4, run through and be provided with blotter 7 between second clamp 13 and the first clamp 3, blotter 7 external diameter runs through and fixed connection polyethylene outer tube 8, blotter 7 internal diameter runs through and fixed connection polyurethane foam heat preservation 12, polyurethane foam heat preservation 12 internal diameter runs through and fixed connection has steel pipe 11, steel pipe 11 internal diameter runs through and fixedly connected with carborundum heat-resistant layer 10, carborundum heat-resistant layer 10 internal diameter runs through and fixed connection has high density polyethylene anticorrosive layer 9, when the return bend is connected, polyurethane foam heat preservation 11 outside steel pipe 12 has high temperature resistant, guarantee medium temperature, guarantee that the outer casing surface keeps the normal atmospheric temperature, the heat preservation of interior work pipe fitting, the heat preservation is the heat preservation of carborundum heat preservation layer 9, the heat preservation enhancement silicon carbide heat-resistant performance enhancement silicon resistant layer 9, high temperature resistant heat preservation normal use of heat preservation elbow, thereby the high temperature resistant polyethylene heat preservation protection elbow 17, high temperature resistant polyethylene inner chamber is the normal use of the limit elbow, thereby the elbow, high temperature resistant protection elbow, high temperature resistant flow protection elbow, high temperature resistant layer of the high temperature resistant protection elbow, high temperature resistant layer of the return bend, high temperature resistant return bend is 17.

The inner diameter of the high-density polyethylene anticorrosive coating 9 runs through and is provided with an inner cavity 17, the outer diameter of the polyethylene outer sleeve 8 runs through and is fixedly connected with punching convex ribs 16 which are uniformly distributed, the front end of the flange 2 is provided with a sealing ring 1, the outer diameter of the threaded rod 14 runs through and is connected with a nut 15 through threads, the flange 2 is in sliding connection with the second clamp 13, the rear end of the first clamp 3 is fixedly connected with the polyethylene outer sleeve 8, the outer side of the polyurethane foam heat-insulating layer 11 is connected with a cushion pad 7 which is fixed by bolts of the first clamp 3 and the second clamp 13, the outer side of the cushion pad 7 is provided with the polyethylene outer sleeve 8, the pipe can be protected in transportation, installation and use to avoid damage caused by external factors, the flange 2 is connected in front of the first clamp 3 and the second clamp 13, the front end of the first clamp 3 is fixedly connected with the flange, the rear end is fixedly connected with the polyethylene outer sleeve 8, stability is enhanced, the flange 2 is used for connecting between pipe ends, and the sealing ring 1 is added, so that the connection between the pipe ends is more sealed.

The working principle is as follows: when the elbow is connected, the polyurethane foam heat preservation layer 11 outside the steel pipe 12 has high temperature resistance, the temperature of a medium is guaranteed, the surface of an outer protection pipe is kept at a normal temperature, the heat preservation of an inner working pipe fitting is realized, the silicon carbide heat-resistant layer 9 is connected inside, the high-temperature resistance of the elbow is enhanced, the high-density polyethylene anticorrosive layer 10 is arranged in the silicon carbide heat-resistant layer 9, the elbow is effectively protected, the service life is prolonged, the inner cavity 17 is formed, the conveying medium normally flows, the buffer cushion 7 is connected outside the polyurethane foam heat preservation layer 11 and is fixed by the bolts of the first clamp 3 and the second clamp 13, the polyethylene outer sleeve 8 is arranged outside the buffer cushion 7, the pipe can be protected from being damaged due to external factors in the transportation, installation and use processes, the flange 2 is connected in front of the first clamp 3 and the second clamp 13, the front end of the first clamp 3 is fixedly connected with the flange, the rear end is fixedly connected with the polyethylene 8, the stability is enhanced, the flange 2 is used for connecting between pipe ends, and the sealing ring 1 is added, so that the connection between the pipe ends is more sealed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high temperature resistant heat preservation elbow, includes flange (2), its characterized in that: flange (2) rear end bottom side fixedly connected with first clamp (3), first clamp (3) the equal fixedly connected with first location of the outer diameter left and right sides is detained (5), first clamp (3) top is provided with second clamp (13), the equal fixedly connected with second location of the outer diameter left and right sides of second clamp (13) is detained (6), second location is detained (6) and is detained (5) top with first location and all runs through and be provided with screw hole (4), all run through threaded connection has threaded rod (14) in screw hole (4), run through and be provided with blotter (7) between second clamp (13) and first clamp (3), blotter (7) outer diameter runs through and fixed connection polyethylene outer tube (8), blotter (7) inner diameter runs through and fixed connection polyurethane foam heat preservation (12), foam heat preservation (12) inner diameter runs through and fixedly connected with steel pipe (11), steel pipe (11) inner diameter runs through and fixedly connected with carborundum heat-resistant layer (10), carborundum heat-resistant layer (10) inner diameter runs through and fixedly connected with high density polyethylene anticorrosive coating (9).

2. The high-temperature-resistant heat-preserving elbow according to claim 1, characterized in that: the inner diameter of the high-density polyethylene anticorrosive layer (9) penetrates through and is provided with an inner cavity (17).

3. The high-temperature-resistant heat-preserving elbow as claimed in claim 1, wherein: the outer diameter of the polyethylene outer sleeve (8) penetrates through and is fixedly connected with punching convex ribs (16) which are uniformly distributed.

4. The high-temperature-resistant heat-preserving elbow as claimed in claim 1, wherein: the front end of the flange (2) is provided with a sealing ring (1).

5. The high-temperature-resistant heat-preserving elbow as claimed in claim 1, wherein: the outer diameter of the threaded rod (14) penetrates through the threaded rod and is in threaded connection with a nut (15).

6. The high-temperature-resistant heat-preserving elbow according to claim 1, characterized in that: and the flange (2) is in sliding connection with the second clamp (13).

7. The high-temperature-resistant heat-preserving elbow as claimed in claim 1, wherein: the rear end of the first clamp (3) is fixedly connected with a polyethylene outer sleeve (8).