CN215763911U

CN215763911U - Air-cooled heating ring for bimetal composite elbow

Info

Publication number: CN215763911U
Application number: CN202121371461.1U
Authority: CN
Inventors: 刘征飞; 董开霞; 葛玉平
Original assignee: Qingdao Zhongbangling Electric Appliance Co ltd
Current assignee: Qingdao Zhongbangling Electric Appliance Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-08
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a bimetal composite bent pipe air cooling heating ring, which relates to the technical field of bent pipe heating rings and comprises a protective cylinder and a plurality of heating ring rings arranged on the inner wall of the protective cylinder, wherein a cold water cavity is formed in the middle of the inner wall of the protective cylinder, a cold air cavity is formed in the inner wall of the protective cylinder outside the cold water cavity, a circle of air injection cavity is formed in the inner wall of the protective cylinder inside the cold water cavity, a plurality of communicating pipes which are communicated are arranged between the cold air cavity and the air injection cavity, a plurality of air outlet pipes are arranged between the heating ring rings on the inner wall of the protective cylinder at equal intervals, and a shunting assembly for dispersing wind power is arranged in the air outlet pipes; the cooling device is simple in structure, cooling air flow can be uniformly dispersed through the flow dividing assembly, the air flow can be uniformly blown on the surface of the pipeline, and the surface of the pipeline can be uniformly cooled; the filter screen is convenient for preventing the scraps on the surface of the heating pipeline from falling into the air outlet pipe; the problem of current return bend forced air cooling heating coil can't play the cooling when cooling down the pipeline and prevent the sediment is solved.

Description

Air-cooled heating ring for bimetal composite elbow

Technical Field

The utility model relates to the technical field of bent pipe heating rings, in particular to a bimetal composite bent pipe air-cooling heating ring.

Background

In recent years, with the rapid development of industries such as petroleum, chemical engineering, water supply, heat supply and the like, the pipeline industry has rapid development, a large number of bent pipe products are often used in pipeline laying, and most of conventional bent pipes are made of single materials. At present, a bimetal composite elbow pipe appears in the market, the elbow pipe body is made of high-strength pipeline steel, and a stainless steel corrosion-resistant layer is metallurgically or brazed on the inner wall of the elbow pipe body.

The utility model with the application number of CN201721582300.0 discloses a bimetal composite bent pipe air cooling heating ring, the heating ring of the utility model heats a pipeline passing through the heating ring through electromagnetic induction heating, the heating ring is hollow, water is introduced to cool the heating ring to prevent the heating ring from being burnt out, the air cooling rings arranged in parallel are used for blowing and cooling the bent pipe passing through the air cooling ring, and the device solves the defect of easy uneven crack generation when the bimetal composite bent pipe is cooled;

however, when the device is used for cooling and blowing the bent pipe, the cooling air flow in each blowing hole cannot be uniformly dispersed again, and the slag on the surface of the bent pipe is easy to enter the blowing holes during cooling and blowing; therefore, the above problems need to be solved optimally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect of poor practicability in the prior art, and provides a bimetal composite bent pipe air-cooling heating ring.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a bimetal composite elbow forced air cooling heating circle, includes a protective barrel and sets up a plurality of heating ring circle on protective barrel inner wall, the cold water chamber has been seted up at protective barrel inner wall's middle part, the cold water chamber has been seted up on the protective barrel inner wall in the cold water chamber outside, the round chamber of infusing has been seted up on the protective barrel inner wall of cold water intracavity side, be equipped with the communicating pipe that a plurality of intercommunications set up between cold water chamber and the gas injection chamber, the equidistance is equipped with a plurality of outlet ducts between the heating ring circle on the protective barrel inner wall, be equipped with the reposition of redundant personnel subassembly that is used for dispersion wind-force in the outlet duct.

Preferably, the reposition of redundant personnel subassembly is including fixed mounting panel, the flow distribution plate of setting in the outlet duct and the fixed filter tube that sets up at the flow distribution plate lateral surface of setting, the top surface of flow distribution plate is equipped with a plurality of diffluence orifices all around, the gas outlet has been seted up at the middle part of mounting panel, be equipped with the internal thread in the gas outlet, the surface cooperation gas outlet of filter tube is equipped with the external screw thread, filter tube threaded connection is in the gas outlet of mounting panel.

Preferably, a layer of filter screen is arranged in the filter pipe, and the inner side surface of the flow distribution plate is provided with a dismounting rod.

Preferably, the protection tube comprises fixing rings symmetrically arranged on the surface of the protection tube and a fixing frame arranged between the tops of the fixing rings, and the fixing frame is in a U-shaped rod shape.

Preferably, one side of a front end of the top of the protective cylinder is provided with a water injection pipe communicated with the head end of the cold water cavity, the other side of the front end of the top of the protective cylinder is provided with a water outlet pipe communicated with the tail end of the cold water cavity, and the middle part of the top of the protective cylinder is provided with a gas injection pipe communicated with the gas injection cavity.

Preferably, the cold water cavity and the cold air cavity are both in a C-shaped cavity body shape.

Compared with the prior art, the utility model has the beneficial effects that: the cooling air flow blown into the air outlet pipe in the air injection cavity is conveniently and uniformly dispersed through the flow dividing assembly, the air flow is conveniently and uniformly blown on the surface of the pipeline, and the surface of the pipeline is conveniently and uniformly blown for cooling; the filter screen in the shunting assembly is convenient for filtering the micro dust in the cooling gas, so that the filtering effect on impurities in the cooling gas is improved, the fragments on the surface of the heating pipeline are prevented from falling into the gas outlet pipe, and the protection effect on the pipeline in the cooling process is improved; the problem of current return bend forced air cooling heating coil can't play the cooling when cooling down the pipeline and prevent the sediment is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic view of a front view structure according to the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of one side of the present invention;

fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 3 according to the present invention.

Number in the figure: 1. a protective cylinder; 2. heating the ring; 3. a fixing ring; 4. a fixed mount; 5. a cold water chamber; 6. a cold air chamber; 7. injecting an air cavity; 8. a water injection pipe; 9. a water outlet pipe; 10. a gas injection pipe; 11. an air outlet pipe; 12. mounting a plate; 13. a flow distribution plate; 14. a filter tube; 15. a filter screen; 16. and (6) disassembling and assembling the rod.

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.

Example (b): referring to fig. 1-4, the air-cooled heating coil for the bimetal composite elbow pipe comprises a protective cylinder 1 and a plurality of heating ring rings 2 arranged on the inner wall of the protective cylinder 1, wherein a cold water cavity 5 is arranged in the middle of the inner wall of the protective cylinder 1, a cold air cavity 6 is arranged on the inner wall of the protective cylinder 1 outside the cold water cavity 5, the cold water cavity 5 and the cold air cavity 6 are both in a C-shaped cavity body shape, a circle of air injection cavity 7 is arranged on the inner wall of the protective cylinder 1 inside the cold water cavity 5, a plurality of communicating pipes communicated with each other are arranged between the cold air cavity 6 and the air injection cavity 7, a plurality of air outlet pipes 11 are equidistantly arranged between the heating ring rings 2 on the inner wall of the protective cylinder 1, and a shunting assembly for dispersing wind power is arranged in each air outlet pipe 11, be convenient for through reposition of redundant personnel subassembly blow into the cooling air current of outlet duct 11 in the gas injection chamber 7 and carry out homodisperse, be convenient for with the even blowing of air current at the pipeline surface, be convenient for carry out the cooling of evenly blowing to the pipeline surface.

In the utility model, the flow dividing assembly comprises a mounting plate 12 fixedly arranged in the air outlet pipe 11, a flow dividing plate 13 arranged on the inner side of the mounting plate 12 and a filter pipe 14 fixedly arranged on the outer side surface of the flow dividing plate 13, a plurality of flow dividing holes are formed around the top surface of the flow dividing plate 13, an air outlet is formed in the middle of the mounting plate 12, internal threads are formed in the air outlet, external threads are formed on the outer surface of the filter pipe 14 in a manner of being matched with the air outlet, the filter pipe 14 is in threaded connection with the air outlet of the mounting plate 12, and cooling air flow in the air outlet pipe 11 can be uniformly dispersed through the flow dividing holes in the flow dividing plate 13.

In the utility model, a filter screen 15 is arranged in the filter pipe 14, the inner side surface of the flow distribution plate 13 is provided with a dismounting and mounting rod 16, the filter screen 15 is convenient for filtering micro dust in the cooling gas, the impurity filtering effect on the cooling gas is convenient to improve, the fragments on the surface of the heating pipeline are convenient to prevent from falling into the air outlet pipe 11, and the dismounting and mounting rod 16 is rotated to facilitate the flow distribution plate 13 to drive the filter pipe 14 to be screwed out of the air outlet of the mounting plate 12, so that the dismounting and mounting of the flow distribution assembly are convenient.

In the utility model, the protection cylinder 1 comprises fixing rings 3 symmetrically arranged on the surface of the protection cylinder 1 and a fixing frame 4 arranged between the tops of the fixing rings 3, and the fixing frame 4 is in a U-shaped rod shape, so that the protection cylinder 1 can be conveniently installed and fixed through the fixing frame 4 on the top of the fixing rings 3.

In the utility model, a water injection pipe 8 communicated with the head end of the cold water cavity 5 is arranged on one side of the front end of the top of the protective cylinder 1, a water outlet pipe 9 communicated with the tail end of the cold water cavity 5 is arranged on the other side of the front end of the top of the protective cylinder 1, a gas injection pipe 10 communicated with the gas injection cavity 7 is arranged in the middle of the top of the protective cylinder 1, and the water body in the cold water cavity 5 can conveniently flow out of the cold water cavity 5 through the arrangement of the water injection pipe 8 and the water outlet pipe 9.

The working principle is as follows: when the utility model is used, firstly, the fixing ring 3 provided with the fixing frame 4 is fixed on the surface of the protective cylinder 1, then the elbow to be heated is inserted into the protective cylinder 1 and is heated through the heating ring 2, then when the cooling is needed, the water injection pipe 8 and the water outlet pipe 9 are respectively communicated with the water delivery end and the water inlet end of the water injection device, the gas injection pipe 10 is communicated with the blowing end of the air cooling compressor, then the cooling water body is injected into the cold water cavity 5 through the water injection pipe 8, so that the water body flows out from the water outlet pipe 9 at the tail end of the cold water cavity 5, the preliminary cooling effect is played on the body of the protective cylinder 1 and the pipeline inserted inside, then the cooling gas is blown into the cold air cavity 6 through the gas injection pipe 10 by the external air cooling compressor, then is injected into the gas injection cavity 7 through the communicating pipe, then the cooling gas in the column cavity is uniformly blown and injected on the surface of the pipeline to be cooled through the gas outlet pipe 11 by the gas outlet pipe 11, the secondary cooling effect is realized on the pipeline.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a bimetal composite elbow forced air cooling heating circle, includes a plurality of heating ring (2) of a protection section of thick bamboo (1) and setting on a protection section of thick bamboo (1) inner wall, its characterized in that: the middle part of a protective barrel (1) inner wall is provided with a cold water cavity (5), a cold water cavity (6) is arranged on the protective barrel (1) inner wall outside the cold water cavity (5), a circle of air injection cavity (7) is arranged on the protective barrel (1) inner wall inside the cold water cavity (5), a plurality of communicating pipes which are communicated are arranged between the cold water cavity (6) and the air injection cavity (7), a plurality of air outlet pipes (11) are arranged between heating ring rings (2) on the protective barrel (1) inner wall at equal intervals, and a shunting assembly used for dispersing wind power is arranged in the air outlet pipes (11).

2. The air-cooled heating ring of the bimetal composite elbow pipe according to claim 1, characterized in that: shunt subassembly is including fixed mounting panel (12), the flow distribution plate (13) that sets up in outlet duct (11) inboard and fixed filter tube (14) that set up at flow distribution plate (13) lateral surface of mounting panel (12), the top surface of flow distribution plate (13) is equipped with a plurality of diffluence orifices all around, the gas outlet has been seted up at the middle part of mounting panel (12), be equipped with the internal thread in the gas outlet, the surface cooperation gas outlet of filter tube (14) is equipped with the external screw thread, filter tube (14) threaded connection is in the gas outlet of mounting panel (12).

3. The air-cooled heating ring of the bimetal composite elbow pipe according to claim 2, characterized in that: a layer of filter screen (15) is arranged in the filter pipe (14), and a dismounting rod (16) is arranged on the inner side surface of the flow distribution plate (13).

4. The air-cooled heating ring of the bimetal composite elbow pipe according to claim 1, characterized in that: the protection cylinder (1) comprises a fixing ring (3) symmetrically installed on the surface of the protection cylinder (1) and a fixing frame (4) arranged between the tops of the fixing ring (3), and the fixing frame (4) is in a U-shaped rod shape.

5. The air-cooled heating ring of the bimetal composite elbow pipe according to claim 1, characterized in that: one side of a front end of the top of the protective barrel (1) is provided with a water injection pipe (8) communicated with the head end of the cold water cavity (5), the other side of the front end of the top of the protective barrel (1) is provided with a water outlet pipe (9) communicated with the tail end of the cold water cavity (5), and the middle of the top of the protective barrel (1) is provided with a gas injection pipe (10) communicated with the gas injection cavity (7).

6. The air-cooled heating ring of the bimetal composite elbow pipe according to claim 1, characterized in that: the cold water cavity (5) and the cold air cavity (6) are both in a C-shaped cavity body shape.