CN220707393U

CN220707393U - Air preheater

Info

Publication number: CN220707393U
Application number: CN202322317812.6U
Authority: CN
Inventors: 金岩松
Original assignee: Liaoning Bense Renewable Resources Co ltd
Current assignee: Liaoning Bense Renewable Resources Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-02
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses an air preheater, which relates to the technical field of air preheating, and comprises a heat exchange tube, wherein one side of the heat exchange tube is fixedly connected with an air inlet pipe, the bottom of the heat exchange tube is connected with an air outlet pipe, the inside of the heat exchange tube is fixedly connected with a plurality of shunt pipes, one ends of the shunt pipes extend to the inside of the air inlet pipe, the other ends of the shunt pipes extend to the inside of the air outlet pipe, two corresponding sliding grooves are formed in the inside of the heat exchange tube, a first sliding mechanism is arranged in the sliding grooves, one side of the first sliding mechanism is fixedly connected with a connecting rod, a cleaning plate is fixedly connected between the two connecting rods, and a plurality of cleaning brushes are fixedly connected in the cleaning plate, and the air preheater has the advantages that: through the mutual cooperation of the first sliding mechanism, the connecting rod, the cleaning plate and the cleaning brush, ash adhered to the outer side of the shunt pipe can be scraped off, and the heat exchange efficiency is improved.

Description

Air preheater

Technical Field

The utility model relates to the technical field of air preheating, in particular to an air preheater.

Background

The air preheater is a device which utilizes high-temperature flue gas and cold air to exchange heat, so that the temperature of the flue gas is reduced after heat release, the flue gas is sent to a chimney for emission, the temperature of the air is increased after heat absorption, the air is sent to a combustion system to participate in combustion, and the air preheater is used for heating the air when carbon black is dried, so that the loss of carbon black powder during drying is reduced.

When the existing air preheater for carbon black processing needs to thicken smoke into the air preheater to exchange heat during working, smoke dust in the smoke is easy to adhere to the heat exchange plates, cleaning is inconvenient, heat exchange effect can be reduced after long-time use, and therefore the air preheater is provided.

Disclosure of Invention

The utility model provides an air preheater for overcoming the defects in the prior art, and solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an air preheater, includes the heat exchange tube body, one side fixedly connected with air inlet pipe of heat exchange tube body, the bottom of heat exchange tube body is connected with the air outlet duct, the inside fixedly connected with of heat exchange tube body a plurality of shunt tubes, a plurality of the one end of shunt tubes extends to the inside of air inlet pipe, a plurality of the other end of shunt tubes extends to the inside of air outlet duct, two corresponding sliding tray have been seted up to the inside of heat exchange tube body, the inside of sliding tray is provided with first slide mechanism, one side fixedly connected with connecting rod of first slide mechanism, two fixedly connected with cleaning plate between the connecting rod, the inside fixedly connected with cleaning brush of cleaning plate, the cleaning brush cup joints in the outside of shunt tubes, the inside of heat exchange tube body is provided with washing mechanism.

Preferably, the first sliding mechanism comprises a threaded rod, the threaded rod is rotationally connected to the inside of the sliding groove, the sliding block is slidably connected to the inside of the sliding groove, the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block, the connecting rod is fixedly connected to one side of the sliding block, and the connecting rod, the cleaning plate and the cleaning brush can be driven to move up and down through the two first sliding mechanisms, so that ash adhered to the outer side of the shunt tube is scraped by the cleaning brush, and the heat exchange efficiency of smoke and air is guaranteed.

Preferably, the inside fixed mounting first servo motor of heat exchange body, first servo motor's output and threaded rod fixed connection are through the mutually supporting of first servo motor and threaded rod to guarantee the normal operating of first slide mechanism, during the use, start two first servo motors earlier and drive the threaded rod rotation, then drive the sliding block and slide in the inside of sliding tray, then drive two connecting rods and remove, thereby make the cleaning plate drive the cleaning brush and scrape the cigarette ash of adhesion in the shunt tubes outside.

Preferably, the flushing mechanism comprises a rotating disc, the rotating disc is rotationally connected to the inside of the heat exchange tube body, the bottom of the rotating disc is fixedly connected with a plurality of high-pressure spray heads, the high-pressure spray heads are fixedly connected with a water inlet pipe, the other end of the water inlet pipe extends to the outer side of the heat exchange tube body and is connected with a water source, the outer side of the shunt tube can be flushed through the flushing mechanism, and soot adhered to the outer side of the shunt tube is cleaned by matching with a cleaning plate and a cleaning brush, so that the heat exchange efficiency of flue gas and air is guaranteed.

Preferably, the inside of heat exchange tube body has seted up first gear, the inside rotation of first gear is connected with first axis of rotation, the outside of first axis of rotation just is located the inside fixedly connected with first gear in rotary tank, the inside rotation in rotary tank is connected with the second axis of rotation, the outside of second axis of rotation just is located the inside fixedly connected with second gear in rotary tank, second gear and first gear fixed connection, the inside fixed mounting of heat exchange tube body has the second servo motor, the output and the second axis of rotation fixed connection of second servo motor, the one end of first axis of rotation extends to the inside of heat exchange tube body and with rolling disc fixed connection, through the mutual cooperation of rotary tank, first axis of rotation, first gear, second axis of rotation, second gear and second servo motor, can carry out comprehensive washing to the inside of cooperation flushing mechanism to the heat exchange tube body and the outside of rotary tank, during the use, start first servo motor drives the second axis of rotation earlier, then drives the second gear rotation, through second gear and first gear's inside fixed mounting, then drives the first axis of rotation, then drives the water pump through the first axis of rotation, then drives the high pressure shower nozzle that rotates, then drives the inside high pressure jet that rotates, then drives the water inlet tube, and the high pressure jet.

Preferably, one side fixedly connected with flue gas intake pipe of heat exchange body, one side fixedly connected with flue gas outlet duct of heat exchange body, through mutually supporting of flue gas intake pipe and flue gas outlet duct, make things convenient for the flue gas to carry out input and output to conveniently carry out the heat transfer.

Preferably, the guiding gutter has been seted up to the inside of heat exchange body, one side fixedly connected with blow off pipe of guiding gutter, through the mutually supporting of guiding gutter and blow off pipe, can discharge the sewage after washing, make things convenient for the staff to clear up, reduced staff's working strength.

The utility model provides an air preheater, which has the following beneficial effects:

1. this air preheater, through the mutually supporting of first slide mechanism, the connecting rod, cleaning plate and cleaning brush, can scrape the cigarette ash that the shunt tube outside adhered, thereby improved the heat exchange efficiency of flue gas and air, through the mutually supporting of rolling disc, high-pressure nozzle, the rotary tank, first rotating shaft, first gear, the second axis of rotation, second gear and second servo motor, can carry out comprehensive washing to the inside of heat exchange tube body and the outside of shunt tube, thereby cooperation first slide mechanism and connecting rod, cleaning plate, cleaning brush clear the cigarette ash that the shunt tube outside adhered, improved cleaning efficiency.

2. This air preheater through the mutually supporting of heat exchange tube body, air intake pipe, air outlet duct, shunt tubes, flue gas intake pipe and flue gas outlet duct, can be with the inside of air guide to a plurality of shunt tubes to increase the area of contact of air and flue gas, thereby improve heat exchange efficiency, through the mutually supporting of guiding gutter and blow off pipe, can discharge the sewage after rinsing, make things convenient for the staff to clear up, reduced staff's working strength.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present utility model

In the figure: 1. a heat exchange tube body; 2. an air intake pipe; 3. an air outlet pipe; 4. a shunt; 5. a flue gas inlet pipe; 6. a flue gas outlet pipe; 7. a diversion trench; 8. a blow-down pipe; 9. a sliding groove; 10. a threaded rod; 11. a sliding block; 12. a first servo motor; 13. a connecting rod; 14. a cleaning plate; 15. a cleaning brush; 16. a rotating disc; 17. a high pressure nozzle; 18. a rotating groove; 19. a first rotation shaft; 20. a first gear; 21. a second rotation shaft; 22. a second gear; 23. a second servo motor; 24. a water inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, the present utility model provides a technical solution: an air preheater comprises a heat exchange tube body 1, wherein an air inlet pipe 2 is fixedly connected to one side of the heat exchange tube body 1, an air outlet pipe 3 is connected to the bottom of the heat exchange tube body 1, a plurality of shunt pipes 4 are fixedly connected to the inside of the heat exchange tube body 1, one ends of the shunt pipes 4 extend to the inside of the air inlet pipe 2, the other ends of the shunt pipes 4 extend to the inside of the air outlet pipe 3, two corresponding sliding grooves 9 are formed in the inside of the heat exchange tube body 1, a first sliding mechanism is arranged in the sliding grooves 9, a connecting rod 13 is fixedly connected to one side of the first sliding mechanism, a cleaning plate 14 is fixedly connected between the two connecting rods 13, a plurality of cleaning brushes 15 are fixedly connected to the inside of the cleaning plate 14, the cleaning brushes 15 are sleeved on the outer sides of the shunt pipes 4, and a flushing mechanism is arranged in the inside of the heat exchange tube body 1;

the first sliding mechanism comprises a threaded rod 10, the threaded rod 10 is rotationally connected to the inside of a sliding groove 9, a sliding block 11 is slidingly connected to the inside of the sliding groove 9, the threaded rod 10 penetrates through the sliding block 11 and is in threaded connection with the sliding block 11, a connecting rod 13 is fixedly connected to one side of the sliding block 11, and the connecting rod 13, a cleaning plate 14 and a cleaning brush 15 can be driven to move up and down through the two first sliding mechanisms, so that the cleaning brush 15 scrapes ash adhered to the outer side of a shunt tube 4, the heat exchange efficiency of smoke and air is guaranteed, a first servo motor 12 is fixedly arranged in the heat exchange tube body 1, the output end of the first servo motor 12 is fixedly connected with the threaded rod 10, and the first servo motor 12 and the threaded rod 10 are mutually matched, so that the normal operation of the first sliding mechanism is guaranteed;

the flushing mechanism comprises a rotating disc 16, the rotating disc 16 is rotationally connected to the inside of the heat exchange tube body 1, the bottom of the rotating disc 16 is fixedly connected with a plurality of high-pressure spray heads 17, the inside of the plurality of high-pressure spray heads 17 is fixedly connected with a water inlet pipe 24, the other end of the water inlet pipe 24 extends to the outside of the heat exchange tube body 1 and is connected with a water source, the outside of the shunt tube 4 can be flushed through the flushing mechanism, thereby being matched with a cleaning plate 14 and a cleaning brush 15 to clean soot adhered to the outside of the shunt tube 4, thereby ensuring the heat exchange efficiency of flue gas and air, a first gear 20 is arranged in the inside of the heat exchange tube body 1, a first rotating shaft 19 is rotationally connected to the inside of the first gear 20, a first gear 20 is fixedly connected to the outside of the first rotating shaft 19 and is located in the inside of the rotating groove 18, a second rotating shaft 21 is rotationally connected to the inside of the rotating groove 18, the second gear 22 is fixedly connected to the outer side of the second rotating shaft 21 and is positioned in the rotating groove 18, the second gear 22 is fixedly connected with the first gear 20, the second servo motor 23 is fixedly arranged in the heat exchange tube 1, the output end of the second servo motor 23 is fixedly connected with the second rotating shaft 21, one end of the first rotating shaft 19 extends to the inner side of the heat exchange tube 1 and is fixedly connected with the rotating disc 16, the second rotating shaft 21 is driven to rotate by the mutual matching of the rotating groove 18, the first rotating shaft 19, the first gear 20, the second rotating shaft 21, the second gear 22 and the second servo motor 23 through the mutual matching of the rotating groove 18, the first gear 20, the second gear 22 and the second servo motor 23, the inner side of the heat exchange tube 1 and the outer side of the shunt tube 4 can be completely flushed by the matched flushing mechanism, when the combined flushing mechanism is used, the second servo motor 23 is started to drive the second rotating shaft 21 to rotate and then drive the second gear 22 to rotate through the mutual matching of the second gear 22 and the first gear 20, then the first rotating shaft 19 is driven to rotate, then the first rotating shaft 19 drives the rotating disc 16 to rotate, then the plurality of high-pressure spray heads 17 are driven to rotate, and meanwhile, a water pump at the outer side of the water inlet pipe 24 is started to convey cleaning liquid into the high-pressure spray heads 17 through the water inlet pipe 24 and then spray out;

one side fixedly connected with flue gas intake pipe 5 of heat exchange tube body 1, one side fixedly connected with flue gas outlet duct 6 of heat exchange tube body 1, through the mutually supporting of flue gas intake pipe 5 and flue gas outlet duct 6, make things convenient for the flue gas to carry out input and output, thereby conveniently carry out heat transfer, guiding gutter 7 has been seted up to the inside of heat exchange tube body 1, one side fixedly connected with blow off pipe 8 of guiding gutter 7, mutually supporting through guiding gutter 7 and blow off pipe 8, can discharge the sewage after rinsing, make things convenient for the staff to clear up, staff's working strength has been reduced.

In summary, when the air preheater is used, firstly, flue gas is discharged into the heat exchange tube body 1 through the flue gas inlet pipe 5, and meanwhile, air is discharged into the shunt tube 4 through the air inlet pipe 2, so that heat exchange is performed, the flue gas is discharged from the flue gas outlet pipe 6 after the heat exchange, air is discharged from the air outlet pipe 3, then the second servo motor 23 is started to drive the second rotating shaft 21 to rotate, then the second gear 22 is driven to rotate, the second rotating shaft 21 is driven to rotate through the mutual engagement of the second gear 22 and the first gear 20, then the first rotating shaft 19 is driven to rotate, the rotating disc 16 is driven to rotate, then the high-pressure spray heads 17 are driven to rotate, meanwhile, the water pump outside the water inlet pipe 24 is started to convey cleaning liquid into the high-pressure spray heads 17 through the water inlet pipe 24 to spray, flushing is performed, meanwhile, the two first servo motors 12 are started to drive the sliding blocks 11 to slide in the sliding grooves 9, then the two connecting rods 13 are driven to move, and accordingly the cleaning brush 15 is driven to scrape ash adhered to the outer side of the shunt tube 4, and then the sewage is discharged into the drain pipe 8 through the guide grooves 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An air preheater comprising a heat exchange tube (1), characterized in that: one side fixedly connected with air intake pipe (2) of heat exchange tube body (1), the bottom of heat exchange tube body (1) is connected with air outlet duct (3), the inside fixedly connected with of heat exchange tube body (1) a plurality of shunt tubes (4), a plurality of the inside that one end of shunt tube (4) extends to air intake pipe (2), a plurality of the other end of shunt tube (4) extends to the inside of air outlet duct (3), two corresponding sliding tray (9) have been seted up to the inside of heat exchange tube body (1), the inside of sliding tray (9) is provided with first slide mechanism, one side fixedly connected with connecting rod (13) of first slide mechanism, two fixedly connected with cleaning plate (14) between connecting rod (13), the inside fixedly connected with of cleaning brush (15) of cleaning plate (14), cleaning brush (15) cup joint in the outside of shunt tube (4), the inside of heat exchange tube body (1) is provided with washing mechanism.

2. An air preheater as set forth in claim 1, wherein: the first sliding mechanism comprises a threaded rod (10), the threaded rod (10) is rotationally connected to the inside of the sliding groove (9), a sliding block (11) is slidably connected to the inside of the sliding groove (9), the threaded rod (10) penetrates through the sliding block (11) and is in threaded connection with the sliding block, and the connecting rod (13) is fixedly connected to one side of the sliding block (11).

3. An air preheater as set forth in claim 2, wherein: the heat exchange tube is characterized in that a first servo motor (12) is fixedly arranged in the heat exchange tube body (1), and the output end of the first servo motor (12) is fixedly connected with a threaded rod (10).

4. An air preheater as set forth in claim 1, wherein: the flushing mechanism comprises a rotating disc (16), the rotating disc (16) is rotationally connected to the inside of the heat exchange tube body (1), a plurality of high-pressure spray heads (17) are fixedly connected to the bottom of the rotating disc (16), a plurality of water inlet pipes (24) are fixedly connected to the inside of the high-pressure spray heads (17), and the other ends of the water inlet pipes (24) extend to the outer side of the heat exchange tube body (1) and are connected with a water source.

5. An air preheater as set forth in claim 4, wherein: the inside of heat exchange tube body (1) has seted up first gear (20), the inside rotation of first gear (20) is connected with first rotation axis (19), the outside of first rotation axis (19) just is located the inside fixedly connected with first gear (20) of rotation groove (18), the inside rotation of rotation groove (18) is connected with second axis of rotation (21), the outside of second axis of rotation (21) just is located the inside fixedly connected with second gear (22) of rotation groove (18), second gear (22) and first gear (20) fixed connection, the inside fixed mounting of heat exchange tube body (1) has second servo motor (23), the output and the inside fixedly connected of second axis of rotation (21) of second servo motor (23), the one end of first rotation axis (19) extends to the inside of heat exchange tube body (1) and is fixedly connected with rolling disc (16).

6. An air preheater as set forth in claim 1, wherein: one side of the heat exchange tube body (1) is fixedly connected with a smoke inlet tube (5), and one side of the heat exchange tube body (1) is fixedly connected with a smoke outlet tube (6).

7. An air preheater as set forth in claim 1, wherein: the heat exchange tube is characterized in that a diversion trench (7) is formed in the heat exchange tube body (1), and a drain pipe (8) is fixedly connected to one side of the diversion trench (7).