CN219244415U

CN219244415U - Heat exchanger cleaning device

Info

Publication number: CN219244415U
Application number: CN202320139974.2U
Authority: CN
Inventors: 肖元成
Original assignee: Yantai Dayuan Mechanical Equipment Co ltd
Current assignee: Yantai Dayuan Mechanical Equipment Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-23
Anticipated expiration: 2033-01-17

Abstract

The application relates to a heat exchanger cleaning device, it includes connecting piece and clearance pipe, the connecting piece cover is established outside the clearance pipe and is connected with the clearance pipe rotation, the cavity has been seted up in the connecting piece, clearance pipe part is located the cavity, be provided with drive clearance pipe pivoted rotating assembly in the cavity, one side that the connecting piece was kept away from to the clearance pipe is provided with the scraper blade. The cleaning pipe stretches into the heat exchanger pipeline to be cleaned, the cleaning pipe is driven to rotate through the rotating assembly, the scraping plate cleans the inner wall of the pipeline of the heat exchanger, the heat exchanger is conveniently cleaned, and labor is saved.

Description

Heat exchanger cleaning device

Technical Field

The application relates to the technical field of heat exchangers, in particular to a heat exchanger cleaning device.

Background

The plate-fin heat exchanger is widely applied to the industrial fields of air separation, petrochemical industry, natural gas liquefaction and the like, is key equipment for realizing heat exchange such as condensation, liquefaction, evaporation and the like, and consists of fins, partition plates, sealing strips and sealing heads. The fins are arranged between the partition plates and fixed by sealing strips, the core body is brazed in a vacuum furnace, and sealing heads are welded at two ends. Has the characteristics of compact structure, high heat transfer efficiency, strong adaptability and the like.

The related art can refer to Chinese patent publication No. CN216409893U for a heat exchanger, which comprises a heat exchange core, an end plate, a piping component and a reinforcing plate; the end plate is connected with the outer wall of the heat exchange core body; the first end of the tubing assembly is connected with the heat exchange core body, and the second end of the tubing assembly penetrates through the end plate and extends away from the heat exchange core body; the reinforcing plate is located the same side of end plate with the second end of piping subassembly, and the reinforcing plate includes first connecting portion and the second connecting portion that links to each other, and first connecting portion cup joints outside the piping subassembly, and is close to the second end of piping subassembly, and second connecting portion links to each other with end plate detachably.

To above-mentioned related art, when overhauling the maintenance to the heat exchanger, dismantle the piping assembly, need the manual work to clear up the liquid pipeline in the heat exchange core, waste time and energy, cleaning efficiency is low.

Disclosure of Invention

In order to conveniently clear up the heat exchanger, the application provides a heat exchanger cleaning device.

The application provides a heat exchanger cleaning device adopts following technical scheme:

the utility model provides a heat exchanger cleaning device, includes connecting piece and clearance pipe, the connecting piece cover is established with the clearance pipe is outer and with the clearance pipe rotation be connected, the cavity has been seted up in the connecting piece, clearance pipe part is located the cavity, be provided with drive clearance pipe pivoted rotating assembly in the cavity, one side that the connecting piece was kept away from to the clearance pipe is provided with the scraper blade.

Through adopting above-mentioned technical scheme, stretch into the heat exchanger pipeline that needs the clearance with the clearance pipe in, rotate through rotating the subassembly drive clearance pipe, the scraper blade clears up the pipeline inner wall of heat exchanger, conveniently clears up the heat exchanger, uses manpower sparingly.

Optionally, the rotating assembly includes the rotating electrical machines of installing in the cavity, coaxial fixed driving gear that is provided with on the output shaft of rotating electrical machines, the clearance pipe surface is provided with the rotation gear that meshes with driving gear.

Through adopting above-mentioned technical scheme, start rotating motor, drive gear rotates, drive the clearance pipe through the rotation gear who meshes with drive gear and rotate.

Optionally, a plurality of liquid outlet holes have been seted up to clearance pipe one side, the clearance pipe is kept away from the fixed closure plate that is provided with of one end of connecting piece, the one end fixedly connected with first extension pipe of clearance pipe is kept away from to the connecting piece, first extension pipe is linked together with the connecting pipe.

Through adopting above-mentioned technical scheme, during the use, keep away from the one end of connecting piece through first extension pipe and carry the washing liquid, the cleaning solution sprays to the pipeline inner wall that needs to clear up from the play liquid hole through the pipeline, clears up pipeline inner wall through the scraper blade, improves cleaning efficiency.

Optionally, the one end that first extension pipe kept away from the connecting pipe can be dismantled and be connected with the second extension pipe, first extension pipe is linked together with the second extension pipe.

Through adopting above-mentioned technical scheme, through the second extension pipe with first extension pipe intercommunication, conveniently clear up longer pipeline, improve the accommodation of clearance pipe.

Optionally, the outer coaxial outer tube that has cup jointed of clearance pipe, outer tube both ends are fixedly connected with connecting plate respectively, through connecting plate fixed connection between outer tube and the clearance pipe, form public chamber between outer tube and the connecting plate, the long mouth with scraper blade looks adaptation has been seted up on the outer tube surface, be connected through elastic component between scraper blade and the outer tube, the scraper blade stretches out through the long mouth.

Through adopting above-mentioned technical scheme, conveniently adjust the distance between scraper blade and the clearance pipe through elastic component, conveniently clear up the pipeline that the internal diameter is different, stretch out the scraper blade through the long mouth, improve the stability of scraper blade in the clearance process.

Optionally, the elastic component is multiunit elastic spring, elastic spring one end and clearance pipe fixed connection, the other end and scraper blade fixed connection, when elastic spring is the natural state, the scraper blade stretches out from the long mouth.

Through adopting above-mentioned technical scheme, through compressing elastic spring, reduce the distance between scraper blade and the clearance pipe, conveniently clear up the pipeline that the internal diameter is less.

Optionally, the outer tube is provided with a liquid spraying hole corresponding to the liquid outlet hole.

Through adopting above-mentioned technical scheme, from liquid outlet spun washing liquid through the hydrojet hole spray at the pipeline inner wall, conveniently clear up the pipeline inner wall.

Optionally, a drain pipe is fixedly arranged between the outer pipe and the cleaning pipe, and the drain hole is communicated with the liquid spraying hole through the drain pipe.

Through adopting above-mentioned technical scheme, with play liquid hole and hydrojet hole intercommunication through the drain pipe, make the washing liquid directly spray on the pipeline inner wall, improve the clearance effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cleaning pipe stretches into a heat exchanger pipeline to be cleaned, the rotating motor is started to drive the driving gear to rotate, the cleaning pipe is driven to rotate through the rotating gear meshed with the driving gear, the scraping plate cleans the inner wall of the pipeline of the heat exchanger, the heat exchanger is conveniently cleaned, and labor is saved;

2. through compressing elastic spring, reduce the distance between scraper blade and the clearance pipe, conveniently clear up the pipeline that the internal diameter is less.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat exchanger cleaning apparatus.

Fig. 2 is a schematic view of the internal structure of a heat exchanger cleaning apparatus.

Reference numerals illustrate: 1. a connecting piece; 11. a cavity; 2. cleaning the pipe; 21. rotating the gear; 22. a common cavity; 23. a liquid outlet hole; 24. a closing plate; 3. a scraper; 4. a rotating motor; 41. a drive gear; 5. an outer tube; 51. a connecting plate; 52. a long opening; 53. a liquid spraying hole; 6. an elastic spring; 7. a first extension tube; 8. a second extension tube; 9. and a liquid outlet pipe.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a heat exchanger cleaning device.

Referring to fig. 1, a cleaning device for a heat exchanger comprises a connecting piece 1 and a cleaning pipe 2, wherein the connecting piece 1 is sleeved outside the cleaning pipe 2 and is rotationally connected with the cleaning pipe 2, and a scraping plate 3 is arranged on one side, away from the connecting piece 1, of the cleaning pipe 2. The cleaning pipe 2 stretches into a heat exchanger pipeline to be cleaned, the cleaning pipe 2 is rotated, and the scraping plate 3 cleans the inner wall of the pipeline of the heat exchanger.

Referring to fig. 1 and 2, a cavity 11 is formed in the connecting piece 1, a part of the cleaning pipe 2 is located in the cavity 11, a rotating assembly is arranged in the cavity 11 and comprises two rotating motors 4 installed in the cavity 11, driving gears 41 are coaxially and fixedly arranged on output shafts of the two rotating motors 4, rotating gears 21 are coaxially and fixedly connected to the outer surfaces of the cleaning pipe 2, the rotating gears 21 are engaged with the two driving gears 41, the rotating motors 4 are started to drive the driving gears 41 to rotate, and the cleaning pipe 2 is driven to rotate by the rotating gears 21 engaged with the driving gears 41.

Referring to fig. 1 and 2, the cleaning tube 2 is coaxially sleeved with the outer tube 5, two ends of the outer tube 5 are respectively and fixedly connected with the connecting plate 51, the outer tube 5 is fixedly connected with the cleaning tube 2 through the connecting plate 51, a public cavity 22 is formed between the outer tube 5 and the connecting plate 51, a long opening 52 matched with the scraping plate 3 is formed in the surface of the outer tube 5, the scraping plate 3 is connected with the outer tube 5 through an elastic component, the elastic component is a plurality of groups of elastic springs 6, one end of each elastic spring 6 is fixedly connected with the cleaning tube 2, the other end of each elastic spring 6 is fixedly connected with the scraping plate 3, and when the elastic springs 6 are in a natural state, the scraping plate 3 extends out of the long opening 52. Through compressing elastic spring 6, reduce the distance between scraper blade 3 and the clearance pipe 2, conveniently clear up the less pipeline of internal diameter, improve the stability of scraper blade 3 in the clearance in-process through outer tube 5.

Referring to fig. 1 and 2, a plurality of liquid outlet holes 23 communicated with the public cavity 22 are formed in one side of the cleaning pipe 2, a closing plate 24 is fixedly arranged at one end, away from the connecting piece 1, of the cleaning pipe 2, a liquid spraying hole 53 corresponding to the liquid outlet holes 23 is formed in the outer pipe 5, a liquid outlet pipe 9 is fixedly arranged between the outer pipe 5 and the cleaning pipe 2, the liquid outlet holes 23 are communicated with the liquid spraying hole 53 through the liquid outlet pipe 9, a first extension pipe 7 is fixedly connected to one end, away from the cleaning pipe 2, of the connecting piece 1, and the first extension pipe 7 is communicated with the connecting pipe. The cleaning liquid is conveyed through the end, far away from the connecting piece 1, of the first extension pipe 7, the liquid outlet hole 23 is communicated with the liquid spraying hole 53 through the liquid outlet pipe 9, the cleaning liquid is directly sprayed on the inner wall of the pipeline, and the cleaning effect is improved.

Referring to fig. 1, one end of the first extension tube 7, which is far away from the connecting tube, is communicated with a second extension tube 8, and the first extension tube 7 and the second extension tube 8 are connected through threads, so that longer pipelines can be cleaned conveniently, and the application range of the cleaning tube 2 is improved.

The implementation principle of the heat exchanger cleaning device in the embodiment of the application is as follows: the rotating motor 4 is started to drive the driving gear 41 to rotate, the cleaning pipe 2 is driven to rotate through the rotating gear 21 meshed with the driving gear 41, the scraping plate 3 cleans the inner wall of the pipeline of the heat exchanger, and cleaning liquid is sprayed on the inner wall of the pipeline through the liquid outlet pipe 9, so that the cleaning effect is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a heat exchanger cleaning device, includes connecting piece (1) and clearance pipe (2), its characterized in that: the cleaning device is characterized in that the connecting piece (1) is sleeved outside the cleaning pipe (2) and is rotationally connected with the cleaning pipe (2), a cavity (11) is formed in the connecting piece (1), a part of the cleaning pipe (2) is located in the cavity (11), a rotating component for driving the cleaning pipe (2) to rotate is arranged in the cavity (11), and a scraper (3) is arranged on one side, far away from the connecting piece (1), of the cleaning pipe (2).

2. A heat exchanger cleaning apparatus as defined in claim 1, wherein: the rotating assembly comprises a rotating motor (4) arranged in the cavity (11), a driving gear (41) is coaxially and fixedly arranged on an output shaft of the rotating motor (4), and a rotating gear (21) meshed with the driving gear (41) is arranged on the outer surface of the cleaning tube (2).

3. A heat exchanger cleaning apparatus as defined in claim 1, wherein: a plurality of play liquid holes (23) have been seted up to clearance pipe (2) one side, the one end that connecting piece (1) was kept away from to clearance pipe (2) is fixed to be provided with closure board (24), one end fixedly connected with first extension pipe (7) that cleaning pipe (2) were kept away from to connecting piece (1), first extension pipe (7) are linked together with the connecting pipe.

4. A heat exchanger cleaning apparatus according to claim 3, wherein: one end of the first extension tube (7) far away from the connecting tube is detachably connected with a second extension tube (8), and the first extension tube (7) is communicated with the second extension tube (8).

5. A heat exchanger cleaning apparatus according to claim 3, wherein: outer tube (5) have been cup jointed to clearance pipe (2) outer coaxial, outer tube (5) both ends are fixedly connected with connecting plate (51) respectively, pass through connecting plate (51) fixed connection between outer tube (5) and clearance pipe (2), form public chamber (22) between outer tube (5) and connecting plate (51), long mouth (52) with scraper blade (3) looks adaptation have been seted up on outer tube (5) surface, be connected through elastic component between scraper blade (3) and outer tube (5), scraper blade (3) are stretched out through long mouth (52).

6. A heat exchanger cleaning apparatus as defined in claim 5, wherein: the elastic component is multiunit elastic spring (6), elastic spring (6) one end and clearance pipe (2) fixed connection, the other end and scraper blade (3) fixed connection, when elastic spring (6) are the natural state, scraper blade (3) are stretched out from long mouth (52).

7. A heat exchanger cleaning apparatus as defined in claim 5, wherein: the outer tube (5) is provided with a liquid spraying hole (53) corresponding to the liquid outlet hole (23).

8. A heat exchanger cleaning apparatus as defined in claim 7, wherein: a liquid outlet pipe (9) is fixedly arranged between the outer pipe (5) and the cleaning pipe (2), and the liquid outlet hole (23) is communicated with the liquid spraying hole (53) through the liquid outlet pipe (9).