CN214701863U

CN214701863U - Fin heat exchanger

Info

Publication number: CN214701863U
Application number: CN202120224475.4U
Authority: CN
Inventors: 周晓林; 韩宝亿; 张凤英; 张开东
Original assignee: Wuxi Baoyi Energy Equipment Co ltd
Current assignee: Wuxi Baoyi Energy Equipment Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-12
Anticipated expiration: 2031-01-26

Abstract

The utility model belongs to the technical field of the heat exchanger and specifically relates to a fin heat exchanger is related to, including the casing, be equipped with heat exchange tube and the fin that is used for the heat transfer in the casing, the fin overlaps in the heat exchange tube outer wall, and casing inside wall top position is connected with two horizontally rollers, and heat exchange tube and fin are located between two rollers, and two rollers homoenergetic enough wind self axis rotation, all around having the dust screen on two rollers, and dust screen one end is connected with the roller, and the other end is connected with fixing device, and fixing device is used for fixed dust screen. This application has the effect that can improve fin heat exchanger's heat exchange efficiency.

Description

Fin heat exchanger

Technical Field

The application relates to the field of heat exchangers, in particular to a fin heat exchanger.

Background

The fin heat exchanger is a main device in a hot air device and is mainly used for heating air in a drying system, and a medium for heat exchange can be steam or hot water, or heat conduction oil and the like.

The utility model with the publication number of CN206755659U discloses a fin heat exchanger, which comprises a heat exchange tube and a fin group connected with the heat exchange tube, wherein the fin group comprises a plurality of fins, and each fin is provided with a mounting hole matched with the heat exchange tube so as to sleeve the fin on the heat exchange tube; two side faces of each fin connected with the heat exchange tube are provided with flanges, and the distance between every two adjacent fins is larger than the thickness of each single fin. The fin heat exchanger improves the heat exchange efficiency of the fin heat exchanger by arranging the flanging.

In view of the above-mentioned related technologies, the inventor believes that in the long-term use process, impurities such as dust fall on the heat exchange tube and the fin, and the defect that the heat exchange efficiency of the fin heat exchanger is low exists.

SUMMERY OF THE UTILITY MODEL

In order to improve fin heat exchanger's heat exchange efficiency, this application provides a fin heat exchanger.

The fin heat exchanger adopts the following technical scheme:

the utility model provides a fin heat exchanger, includes the casing, is equipped with heat exchange tube and the fin that is used for the heat transfer in the casing, and the fin overlaps in the heat exchange tube outer wall, and casing inside wall top position is connected with two horizontally rollers, and heat exchange tube and fin are located between two rollers, and two rollers homoenergetic enough are rotatory around self axis, all around having the dust screen on two rollers, and dust screen one end is connected with the roller, and the other end is connected with fixing device, and fixing device is used for fixed dust screen.

By adopting the technical scheme, when dust is required to be prevented, the dust screen is pulled to fall, and then the dust screen is fixed by the fixing device, so that the heat exchange tube and the fin are blocked by the dust screen, the amount of dust falling onto the heat exchange tube and the fin is reduced, and the heat exchange efficiency of the heat exchanger is improved; when the heat exchange pipe and the fins need to be maintained, the fixing device is firstly released from fixing the dust screen, and then the roller shaft is driven to rotate, so that the dust screen is rolled up.

Preferably, the inner side wall of the machine shell is provided with a mounting ring, the mounting ring comprises a first half ring and a second half ring, the first half ring is fixed on the inner side wall of the machine shell, the second half ring is connected with the first half ring through a bolt, a bearing is arranged in the mounting ring, and a rotating shaft of the roll shaft is inserted into the bearing.

Through adopting above-mentioned technical scheme, the setting of first semi-ring and second semi-ring is convenient for install the roller in the casing, also is convenient for pull down the roller from the casing simultaneously.

Preferably, the side wall of the machine shell is provided with a through hole, a rocking handle is inserted into the through hole and is connected with a rotating shaft of the roll shaft, and the rocking handle is used for driving the roll shaft to rotate.

Through adopting above-mentioned technical scheme, operating personnel shakes the rocking handle and can conveniently drives the roller rotation.

Preferably, the one end that the rocking handle inserted the through-hole is fixed with the square bar, is equipped with the square hole in the pivot of roller, and the square bar can insert in the square hole and paste with the square hole outer wall.

Through adopting above-mentioned technical scheme, the rocking handle passes through the cooperation of square pole and square hole to be connected with the pivot of roller, and it is convenient to dismantle, and the rocking handle also can drive the pivot rotation of roller simultaneously.

Preferably, the fixing device comprises a cross rod, the bottom wall of the casing is provided with a magnetic block, and the magnetic block can adsorb the cross rod.

Through adopting above-mentioned technical scheme, the horizontal pole is adsorbed to the magnetic path, makes the dust screen can fix.

Preferably, be fixed with vertical sand grip on the inner wall of casing both sides, the one end that the casing inner wall was kept away from to the sand grip is equipped with vertical spout, and during the horizontal pole both ends homoenergetic inserted the spout, the dust screen can stretch into in the spout.

Through adopting above-mentioned technical scheme, the horizontal pole both ends are inserted and are slided in the spout, and are more smooth and easy, and the dust screen makes the dust screen by further fixed in stretching into the spout simultaneously.

Preferably, a baffle is arranged at the opening of the machine shell and used for blocking the roll shaft.

Through adopting above-mentioned technical scheme, can form the gap between roller and the casing roof, in some dust can get into the casing from the gap, and the setting of baffle has then reduced the volume of this part dust.

Preferably, an inserting plate is fixed at one end, close to the casing, of the baffle plate, a slot is formed in the opening of the casing, and the inserting plate can be inserted into the slot and is attached to the inner wall of the slot.

Through adopting above-mentioned technical scheme, the baffle passes through the cooperation of picture peg and slot and is connected with the casing, and it is convenient to dismantle, and is stable firm.

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

1. the dust screens are arranged at the two ends of the heat exchange tube and the fins, so that the amount of dust falling onto the heat exchange tube and the fins is reduced, and the heat exchange efficiency of the heat exchanger is improved;

2. the setting up of collar makes the dismantlement of roller more convenient.

Drawings

FIG. 1 is a schematic structural view of a fin heat exchanger according to an embodiment of the present application;

FIG. 2 is a top view of FIG. 1 with the top panel hidden;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a schematic structural diagram of a cross bar and a roll shaft of a fin heat exchanger according to an embodiment of the present application;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is a schematic structural diagram of a slot of a fin heat exchanger according to an embodiment of the present application;

fig. 7 is a schematic structural view of a baffle plate of a fin heat exchanger according to an embodiment of the present application.

Description of reference numerals: 1. a housing; 2. a heat exchange pipe; 3. a fin; 4. a roll shaft; 5. a dust screen; 6. a mounting ring; 7. a first half ring; 8. a second half ring; 9. a bearing; 10. a rotating shaft; 11. a through hole; 12. a rocking handle; 13. a square bar; 14. a square hole; 15. a cross bar; 16. a convex strip; 17. a chute; 18. a baffle plate; 19. inserting plates; 20. a slot; 21. a long splint; 22. a bolt; 23. a connecting plate; 24. a magnetic block.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a fin heat exchanger. Referring to fig. 1, the fin heat exchanger comprises a casing 1, wherein two ends of the casing 1 are opened, a heat exchange tube 2 is fixed in the casing 1, the heat exchange tube 2 is wavy, and a plurality of fins 3 are coaxially fixed on the outer wall of the heat exchange tube 2.

Referring to fig. 2, two horizontal roller shafts 4 are arranged in the casing 1, the roller shafts 4 can rotate around the axes of the roller shafts 4, rotating shafts 10 are coaxially fixed at two ends of the roller shafts 4, and the heat exchange tube 2 and the fins 3 are clamped between the two roller shafts 4.

Referring to fig. 3, a first half ring 7 is welded on the inner side wall of the casing 1, the opening of the first half ring 7 is upward, the first half ring 7 is connected with a second half ring 8 through a bolt, and the first half ring 7 and the second half ring 8 form a mounting ring 6. Install bearing 9 in the collar 6, bearing 9 outer wall and collar 6 inner wall fixed connection, bearing 9 inner wall pastes with the pivot 10 outer wall.

Referring to fig. 4, be stained with dust screen 5 through glue on the roller 4, the one end that roller 4 was kept away from to dust screen 5 is connected with horizontal pole 15, and horizontal pole 15 is fixing device promptly, and every horizontal pole 15 comprises two long splint 21, and dust screen 5 is pressed from both sides between two long splint 21, and the bolt 22 has been inserted to the one end that long splint 21 deviates from dust screen 5, and bolt 22 passes dust screen 5 and two long splint 21.

Referring to fig. 5, a magnetic block 24 is embedded in the bottom wall of the casing 1, and when the dust screen 5 is pulled down, the magnetic block 24 is attracted to the cross bar 15.

Referring to fig. 1 and 5, a vertical protruding strip 16 is connected to the inner side wall of the casing 1, a connecting plate 23 is fixed to the protruding strip 16, a plurality of screws are screwed to the connecting plate 23, and the screws penetrate through the connecting plate 23 and are inserted into the side wall of the casing 1. The one side that the sand grip 16 is dorsad the casing 1 inside wall is opened on and is had vertical spout 17, and horizontal pole 15 both ends insert in the spout 17 of both sides and with spout 17 sliding fit, when horizontal pole 15 inserted spout 17, dust screen 5 also can insert in the spout 17.

Referring to fig. 3, in order to facilitate an operator to drive the roller shaft 4 to rotate, a through hole 11 is formed in a side wall of the housing 1, a rocking handle 12 is inserted into the through hole 11, a square hole 14 is formed in one end, away from the roller shaft 4, of the rotating shaft 10, the square hole 14 is communicated with the through hole 11, a square rod 13 is integrally formed at one end, inserted into the through hole 11, of the rocking handle 12, and when the square rod 13 is inserted into the square hole 14, the operator can drive the roller shaft 4 to rotate by rocking the rocking handle 12.

Referring to fig. 6 and 7, when the dust screen 5 is rolled up, the dust screen 5 has a certain thickness, so that a gap is left between the roll surface of the roll shaft 4 and the inner top wall of the housing 1. In order to reduce the amount of dust entering the casing 1 from the gap when the dust screen 5 falls down, a baffle 18 is mounted at the top end of the opening of the casing 1, the baffle 18 blocks the roller shaft 4 and the gap, an inserting plate 19 is fixed at one side of the baffle 18 close to the casing 1, a slot 20 is arranged at the opening of the casing 1, and when the inserting plate 19 is inserted into the slot 20, the outer wall of the inserting plate 19 is attached to the inner wall of the slot 20.

The implementation principle of the fin heat exchanger in the embodiment of the application is as follows: when dust is required to be prevented, the cross rod 15 is pulled, the dust screen 5 is put down, then the fixing device is used for fixing the dust screen 5, and the dust screen 5 blocks the heat exchange tube 2 and the fin 3, so that the amount of dust falling onto the heat exchange tube 2 and the fin 3 is reduced, and the heat exchange efficiency of the heat exchanger is improved; when the heat exchange tube 2 and the fins 3 need to be maintained, the fixing device is firstly released from fixing the dust screen 5, and then the rocking handle 12 is used for driving the roller shaft 4 to rotate so as to roll up the dust screen 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fin heat exchanger, includes casing (1), is equipped with heat exchange tube (2) and fin (3) that are used for the heat transfer in casing (1), and fin (3) cover in heat exchange tube (2) outer wall, its characterized in that: casing (1) inside wall top position is connected with two horizontally roller (4), and heat exchange tube (2) and fin (3) are located between two roller (4), and two roller (4) homoenergetic are around self axis rotation, all around having dust screen (5) on two roller (4), and dust screen (5) one end is connected with roller (4), and the other end is connected with fixing device, and fixing device is used for fixed dust screen (5).

2. A fin heat exchanger according to claim 1, wherein: be equipped with collar (6) on casing (1) inside wall, collar (6) include first semi-ring (7) and second semi-ring (8), and first semi-ring (7) are fixed on casing (1) inside wall, and second semi-ring (8) are connected with first semi-ring (7) through the bolt, are equipped with bearing (9) in collar (6), and pivot (10) of roller (4) insert in bearing (9).

3. A fin heat exchanger according to claim 1, wherein: a through hole (11) is formed in the side wall of the machine shell (1), a rocking handle (12) is inserted into the through hole (11), the rocking handle (12) is connected with a rotating shaft (10) of the roll shaft (4), and the rocking handle (12) is used for driving the roll shaft (4) to rotate.

4. A fin heat exchanger according to claim 3, wherein: one end of the rocking handle (12) inserted into the through hole (11) is fixed with a square rod (13), a square hole (14) is arranged on a rotating shaft (10) of the roller shaft (4), and the square rod (13) can be inserted into the square hole (14) and is attached to the outer wall of the square hole (14).

5. A fin heat exchanger according to claim 1, wherein: the fixing device comprises a cross rod (15), magnetic blocks (24) are arranged on the bottom wall of the machine shell (1), and the magnetic blocks (24) can adsorb the cross rod (15).

6. A fin heat exchanger according to claim 5, wherein: vertical convex strips (16) are fixed on the inner walls of the two sides of the machine shell (1), one end, away from the inner wall of the machine shell (1), of each convex strip (16) is provided with a vertical sliding groove (17), the two ends of each transverse rod (15) can be inserted into the corresponding sliding grooves (17), and the dust screen (5) can stretch into the corresponding sliding grooves (17).

7. A fin heat exchanger according to claim 1, wherein: a baffle (18) is arranged at an opening of the machine shell (1), and the baffle (18) is used for blocking the roll shaft (4).

8. A fin heat exchanger according to claim 7, wherein: an inserting plate (19) is fixed at one end, close to the shell (1), of the baffle plate (18), a slot (20) is formed in an opening of the shell (1), and the inserting plate (19) can be inserted into the slot (20) and attached to the inner wall of the slot (20).