CN215909614U

CN215909614U - Double-sided air knife drying device for cold-rolled coil stock

Info

Publication number: CN215909614U
Application number: CN202122306257.8U
Authority: CN
Inventors: 邬长彬; 李光赋
Original assignee: Guangxi Guigang Hele Door Industry Co Ltd
Current assignee: Guangxi Guigang Hele Door Industry Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-25
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a double-sided air knife drying device for cold-rolled coil stock, which comprises a box body, a feed inlet and a discharge outlet which are arranged on the box body, and a conveying roller set used for conveying the cold-rolled coil stock from the feed inlet to the discharge outlet, under the arrangement of the drying unit, the fluidity of liquid attached to the surface of the cold-rolled coil can be increased, under the matching action of the first air knife and the second air knife, the liquid on the surface of the cold-rolled coil can be dried by utilizing hot air, the residual liquid can be blown off from one side of the long edge of the cold-rolled coil, the drying effect is improved, a space is provided for increasing the conveying speed of the cold-rolled coil, the production efficiency is improved, under the arrangement of the first splitter plate, the second splitter plate, the third splitter plate and the fourth splitter plate, the discharging of the hot drying air can be more uniform, the drying effect of the cold-rolled coil can be further improved, and the arrangement of the filter can avoid the adverse effect of sundries or dust carried by an air source on the treatment of the cold-rolled coil; the arrangement of the shielding curtain can play a role in dust isolation and heat preservation.

Description

Double-sided air knife drying device for cold-rolled coil stock

Technical Field

The utility model relates to a drying device, in particular to a double-sided air knife drying device for cold-rolled coils.

Background

The existing air knife drying device can only dry the surface of a single-side cold-rolled coil, and at least two groups of drying devices need to be arranged in one production line, an air exhaust channel of the existing air knife blows hot air to the surface of the cold-rolled coil vertically, the drying effect is not good enough, in order to guarantee the drying effect of the cold-rolled coil, the cold-rolled coil needs to be conveyed at a lower conveying speed, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-sided air knife drying device for cold-rolled coils, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the embodiment of the utility model provides a double-sided air knife drying device for a cold-rolled coil, which comprises a box body, a feeding hole and a discharging hole which are arranged on the box body, and a conveying roller group used for conveying the cold-rolled coil from the feeding hole to the discharging hole, two groups of drying units are arranged in the box body, the two groups of drying units are symmetrically arranged relative to the cold-rolled coil stock in conveying, each drying unit comprises two first air knives and one second air knife, one first air knife is close to one side of the feed port, the other first air knife is close to one side of the discharge port, the second air knife is arranged between the two first air knives, the first air exhaust channel of each first air knife faces one side of the second air knife, the second air knives are internally provided with two second air exhaust channels which are symmetrical relative to the conveying direction of the cold-rolled coil, the second air exhaust channels face the long side of the cold-rolled coil, and an air heater used for providing an air source for the first air knife and the second air knife is arranged on the outer side of the box body.

The angle between the first air exhaust channel and the top surface of the conveyed cold-rolled coil is 30-45 degrees.

The angle between the second air exhaust channel and the top surface of the cold-rolled coil in conveying is 15-30 degrees.

The bottom of the box body is provided with a drain pipe which is communicated with a water inlet of the drainage pump.

The air outlet of the air heater is also provided with a filter for filtering the dry air.

The feed inlet and the discharge outlet are both provided with shielding curtains.

The first air knife comprises a first shell, a first air inlet is formed in the first shell, a first installation block and a second installation block are arranged in the first shell, a first flow guide surface is arranged on the first installation block, a second flow guide surface is arranged on the second installation block, and the first flow guide surface and the second flow guide surface form a first exhaust channel.

Be provided with first reposition of redundant personnel and second reposition of redundant personnel between first air intake and the first exhaust passageway, be provided with the first reposition of redundant personnel hole of a plurality of equipartitions on the first reposition of redundant personnel, be provided with the second reposition of redundant personnel hole of a plurality of equipartitions on the second reposition of redundant personnel hole, first reposition of redundant personnel hole and second reposition of redundant personnel hole one-to-one set up and stagger each other.

The second air knife comprises a second shell, a second air inlet is formed in the second shell, a third installation block, a fourth installation block and a fifth installation block are arranged in the second shell, a third flow guide surface and a fourth flow guide surface are arranged on the third installation block, a fifth flow guide surface and a sixth flow guide surface are arranged on the fourth installation block, a seventh flow guide surface and an eighth flow guide surface are arranged on the fifth installation block, an air gathering channel is formed by the third flow guide surface and the fifth flow guide surface, one of the second air exhaust channels is formed between the fourth flow guide surface and the seventh flow guide surface, the other second air exhaust channel is formed between the sixth flow guide surface and the eighth flow guide surface, the air outlet end of the air gathering channel is communicated with the two second air exhaust channels, and the air gathering channel and the two second air exhaust channels form a nearly-shaped air channel.

Be provided with third reposition of redundant personnel board and fourth reposition of redundant personnel board between second air intake and the wind channel of gathering, be provided with the third reposition of redundant personnel hole of a plurality of equipartitions on the third reposition of redundant personnel board, be provided with the fourth reposition of redundant personnel hole of a plurality of equipartitions on the fourth reposition of redundant personnel board, third reposition of redundant personnel hole and fourth reposition of redundant personnel hole one-to-one just stagger each other.

The utility model has the beneficial effects that:

1. under the setting of drying unit, the mobility of the liquid of multiplicable cold-rolled coil material surface adhesion, under the mating reaction of first air knife and second air knife, except that usable hot-blast liquid to cold-rolled coil material surface carries out the drying, still has the effect of remaining liquid from the long limit one side blow-off of cold-rolled coil material, has improved drying effect, carries the speed-raising for cold-rolled coil material and provides the space, has improved production efficiency.

2. Under the setting of first reposition of redundant personnel board, second reposition of redundant personnel board, third reposition of redundant personnel board and fourth reposition of redundant personnel board, more even when can making dry hot-blast discharge, further improve the drying effect of cold rolling coil stock.

3. The arrangement of the filter can avoid the adverse effect of foreign matters or dust carried by a wind source on the treatment of the cold-rolled coil stock; the arrangement of the shielding curtain can play a role in dust isolation and heat preservation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the inner side of the case of the present invention;

FIG. 3 is a schematic structural view of an air heater and a filter on the outer side of the case body according to the present invention;

FIG. 4 is a schematic structural view of a first air knife according to the present invention;

FIG. 5 is a schematic structural view of a second air knife according to the present invention;

fig. 6 is a schematic structural view of the second splitter plate of the present invention.

In the figure, 1, a box body; 2. a curtain; 3. a first air knife; 4. a second air knife; 5. draining pump; 6. a drain pipe; 7. a hot air blower; 8. a filter;

31. a first housing; 32. a first splitter plate; 321. a first diverter orifice; 33. a second splitter plate; 331. a second flow dividing orifice; 34. a first air inlet; 35. a first mounting block; 351. a first flow guide surface; 36. a second mounting block; 361. a second flow guide surface;

41. a second housing; 42. a third shunting plate; 421. a third tapping hole; 43. a fourth splitter plate; 431. a fourth orifice; 44. a second air inlet; 45. a third mounting block; 451. a third flow guide surface; 452. a fourth flow guide surface; 46. a fourth mounting block; 461. a fifth flow guide surface; 462. a sixth flow guide surface; 47. a fifth mounting block; 471. a seventh flow guide surface; 472. and an eighth flow guide surface.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

Referring to fig. 1 to 6, an embodiment of the utility model provides a double-sided air knife drying device for a cold-rolled coil, which includes a box 1, a feeding port and a discharging port disposed on the box 1, and a conveying roller set f for conveying a cold-rolled coil c from the feeding port to the discharging port, where the conveying roller set f is an existing upper roller set and a lower roller set, and how to convey the cold-rolled coil c by using the conveying roller set f is omitted in the prior art.

Two groups of drying units are arranged in the box body 1, and are symmetrically arranged relative to the cold-rolled coil c in conveying, so that the upper side and the lower side of the cold-rolled coil c can be simultaneously dried.

The drying unit comprises two first air knives 3 and a second air knife 4, wherein one first air knife 3 is close to one side of the feeding hole, the other first air knife 3 is close to one side of the discharging hole, the second air knife 4 is arranged between the two first air knives 3, a first air exhaust channel of the first air knife 3 faces one side of the second air knife 4, two second air exhaust channels which are symmetrical relative to the conveying direction of the cold-rolled coil c are arranged in the second air knife 4, the second air exhaust channels face the long side of the cold-rolled coil c, and a hot air fan 7 used for providing an air source for the first air knife 3 and the second air knife 4 is arranged on the outer side of the box body 1.

The bottom of the box body 1 is communicated with a water inlet of the drainage pump 5 through a drainage pipe 6, and if the accumulated water at the bottom of the box body 1 is too much, the accumulated water can be drained through the drainage pump 5.

The feed inlet and the discharge gate all are provided with shielding curtain 2, and shielding curtain 2 is provided with two purposes, and one is the dust separation, and its second keeps warm.

The air outlet of the hot air blower 7 is also provided with a filter 8 for filtering the dry air, so that the adverse effect on the treatment of the cold-rolled coil material caused by sundries or dust carried by an air source can be avoided, and the filter 8 can be a commercially available product and is not repeated herein.

The first air knife 3 includes a first housing 31, a first air inlet 34 is formed in the first housing 31, a first mounting block 35 and a second mounting block 36 are arranged in the first housing 31, a first guide surface 351 is formed in the first mounting block 35, a second guide surface 361 is formed in the second mounting block 36, and the first guide surface 351 and the second guide surface 361 form a first exhaust passage.

The first flow dividing plate 32 and the second flow dividing plate 33 are arranged between the first air inlet 34 and the first air exhaust channel, a plurality of uniformly distributed first flow dividing holes 321 are formed in the first flow dividing plate 32, a plurality of uniformly distributed second flow dividing holes 331 are formed in the second flow dividing plate 33, the first flow dividing holes 321 and the second flow dividing holes 331 are arranged in a one-to-one correspondence mode and are staggered with each other, dry hot air can be discharged more uniformly due to the arrangement of the first flow dividing plate 32 and the second flow dividing plate 33, and the drying effect of cold-rolled coils is improved.

The angle between the first exhaust channel and the top surface of the cold-rolled coil c in conveying is 30-45 degrees, the two first exhaust channels blow air to one side of the second air knife 4, the first exhaust channel can increase the liquidity of liquid, and the second exhaust channel can be matched with the second air knife 4 to blow off the residual liquid from one side of the long edge of the cold-rolled coil, so that the drying effect is further improved.

The second air knife 4 includes a second housing 41, a second air inlet 44 is disposed on the second housing 41, a third mounting block 45, a fourth mounting block 46 and a fifth mounting block 47 are disposed in the second housing 41, a third flow guide surface 451 and a fourth flow guide surface 452 are disposed on the third mounting block 45, a fifth flow guide surface 461 and a sixth flow guide surface 462 are disposed on the fourth mounting block 46, a seventh flow guide surface 471 and an eighth flow guide surface 472 are disposed on the fifth mounting block 47, the third flow guide surface 451 and the fifth flow guide surface 461 form an air collecting channel, one of the second air exhaust channels is formed between the fourth flow guide surface 452 and the seventh flow guide surface 471, the other of the second air exhaust channels is formed between the sixth flow guide surface 462 and the eighth flow guide surface 472, an air outlet end of the air collecting channel is communicated with the two second air exhaust channels, and the air collecting channel and the two second air exhaust channels form a few-shaped air duct.

A third flow dividing plate 42 and a fourth flow dividing plate 43 are arranged between the second air inlet 44 and the air collecting channel, a plurality of uniformly distributed third flow dividing holes 421 are arranged on the third flow dividing plate 42, a plurality of uniformly distributed fourth flow dividing holes 431 are arranged on the fourth flow dividing plate 43, the third flow dividing holes 421 and the fourth flow dividing holes 431 are in one-to-one correspondence and are staggered with each other, and the arrangement principle of the third flow dividing plate 42 and the fourth flow dividing plate 43 is the same as that of the first flow dividing plate 32 and the second flow dividing plate 33, which is not described herein again.

The angle between the second air exhaust channel and the top surface of the cold-rolled coil c in conveying is 15-30 degrees, the inclination of the second air exhaust channel is larger, the purpose is mainly to guide the residual liquid, blow off the residual liquid, and meanwhile, the drying effect is achieved.

The utility model greatly improves the drying effect of the drying device, provides space for accelerating the conveying of cold-rolled coils and improves the production efficiency.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A double-sided air knife drying device for cold-rolled coil materials comprises a box body (1), a feeding port and a discharging port which are arranged on the box body (1), and a conveying roller set used for conveying the cold-rolled coil materials from the feeding port to the discharging port, and is characterized in that two groups of drying units are arranged in the box body (1), the two groups of drying units are symmetrically arranged relative to the cold-rolled coil materials in conveying, each drying unit comprises two first air knives (3) and one second air knife (4), one first air knife (3) is close to one side of the feeding port, the other first air knife (3) is close to one side of the discharging port, the second air knife (4) is arranged between the two first air knives (3), a first air exhaust channel of each first air knife (3) faces one side of the second air knife (4), two second air exhaust channels which are symmetric relative to the conveying direction of the cold-rolled coil materials are arranged in each second air knife (4), and the second air exhaust channels face the long side of the cold-rolled coil materials, and an air heater (7) used for providing an air source for the first air knife (3) and the second air knife (4) is arranged on the outer side of the box body (1).

2. The double-sided air knife drying device for the cold-rolled coil as claimed in claim 1, wherein the angle between the first air exhaust channel and the top surface of the cold-rolled coil in conveying is 30-45 °.

3. The double-sided air knife drying device for the cold-rolled coil as claimed in claim 1, wherein the angle between the second air discharge channel and the top surface of the cold-rolled coil in conveyance is 15 ° to 30 °.

4. A double-sided air knife drying device for cold rolled coil stock according to claim 1, characterized in that the bottom of the box body (1) is provided with a drain pipe (6), and the drain pipe (6) is communicated with the water inlet of the drainage pump (5).

5. A double-sided air knife drying device for cold rolled coil stock according to claim 1, characterized in that the air outlet of the hot air blower (7) is further provided with a filter (8) for filtering the drying air.

6. A double-sided air knife drying device for cold-rolled coil stock according to claim 1, characterized in that the feed inlet and the discharge outlet are provided with shielding curtains (2).

7. The double-sided air knife drying device for the cold-rolled coil stock is characterized in that the first air knife (3) comprises a first shell (31), a first air inlet (34) is formed in the first shell (31), a first mounting block (35) and a second mounting block (36) are arranged in the first shell (31), a first flow guide surface (351) is arranged on the first mounting block (35), a second flow guide surface (361) is arranged on the second mounting block (36), and the first flow guide surface (351) and the second flow guide surface (361) form a first air exhaust channel.

8. A cold-rolled coil double-sided air knife drying device according to claim 7, characterized in that a first splitter plate (32) and a second splitter plate (33) are arranged between the first air inlet (34) and the first exhaust channel, the first splitter plate (32) is provided with a plurality of uniformly distributed first splitter holes (321), the second splitter plate (33) is provided with a plurality of uniformly distributed second splitter holes (331), and the first splitter holes (321) and the second splitter holes (331) are arranged in a one-to-one correspondence and staggered manner.

9. A cold-rolled coil double-sided air knife drying device according to claim 1, characterized in that the second air knife (4) comprises a second housing (41), a second air inlet (44) is arranged on the second housing (41), a third mounting block (45), a fourth mounting block (46) and a fifth mounting block (47) are arranged in the second housing (41), a third flow guide surface (451) and a fourth flow guide surface (452) are arranged on the third mounting block (45), a fifth flow guide surface (461) and a sixth flow guide surface (462) are arranged on the fourth mounting block (46), a seventh flow guide surface (471) and an eighth flow guide surface (472) are arranged on the fifth mounting block (47), a wind gathering channel is formed between the third flow guide surface (451) and the fifth flow guide surface (461), one of the second air discharge channels is formed between the fourth flow guide surface (452) and the seventh flow guide surface (471), and another second air discharge channel is formed between the sixth flow guide surface (462) and the eighth flow guide surface (472), the air outlet end of the air gathering channel is communicated with the two second air exhaust channels, and the air gathering channel and the two second air exhaust channels form a n-shaped air channel.

10. A double-sided air knife drying device for cold-rolled coil stock according to claim 9, characterized in that a third splitter plate (42) and a fourth splitter plate (43) are arranged between the second air inlet (44) and the air collecting channel, the third splitter plate (42) is provided with a plurality of uniformly distributed third splitter holes (421), the fourth splitter plate (43) is provided with a plurality of uniformly distributed fourth splitter holes (431), and the third splitter holes (421) and the fourth splitter holes (431) are in one-to-one correspondence and are staggered with each other.