CN213570646U

CN213570646U - Stainless steel coil annealing furnace with quick cooling mechanism

Info

Publication number: CN213570646U
Application number: CN202022519193.5U
Authority: CN
Inventors: 任喜来; 高知; 潘承樑; 潘承栋
Original assignee: Fujian Zhongxin Stainless Steel Co ltd
Current assignee: Fujian Zhongxin Stainless Steel Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-29
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a nonrust coil of strip annealing stove with quick cooling body, including furnace body and landing leg, the diaphragm is transversely installed on the top of landing leg, and installs the unwinding roller on one side of diaphragm top, the furnace body is transversely installed on the diaphragm top of unwinding roller one side, and the upper end of furnace body one end installs the PLC controller, the preheating chamber has been seted up to the inside one side of furnace body, the heating chamber has transversely been seted up to the furnace body inside of preheating chamber one side, and heats the inside surface uniform installation of chamber and install the heating pipe, the cooling sleeve pipe is transversely installed to the opposite side of furnace body, and the cooling structure setting is on cooling sleeve's surface, the wind-up roll is installed on the diaphragm top of cooling sleeve pipe one side, and the equal sliding connection in both ends. The utility model discloses a set up radiating fin, first cooling jacket and second cooling jacket, utilize triple heat dissipation, the rapid cooling of the coil of strip of being convenient for improves shaping speed, going on smoothly of the production of being convenient for.

Description

Stainless steel coil annealing furnace with quick cooling mechanism

Technical Field

The utility model relates to a nonrust coil of strip former technical field specifically is a nonrust coil of strip annealing stove with quick cooling body.

Background

The stainless steel strip is a thin steel plate supplied in a coil, also called as strip steel, and is widely applied in some special steel systems due to the unique performance of the stainless steel strip, and the quality of the stainless steel strip is decisive for ensuring the quality of the stainless steel strip, but the existing stainless steel coil annealing furnace still has a plurality of problems or defects:

first, traditional stainless steel coil annealing stove, the thermal diffusivity is relatively poor during the use, and cooling rate is slower, reduces steel band shaping efficiency.

Secondly, traditional stainless steel coil annealing stove does not have the waste heat recovery structure during the use, and the heat dissipation in-process or lead to a large amount of heat extravagant, increase manufacturing cost.

Third, the traditional stainless steel coil annealing furnace has no adjusting structure when in use, different specifications of steel bands and easy reduction of rolling quality during rolling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel coil annealing furnace with quick cooling body to solve the relatively poor, inconvenient waste heat recovery of thermal diffusivity and the problem of inconvenient regulation that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stainless steel coil annealing furnace with a rapid cooling mechanism comprises a furnace body and supporting legs, and also comprises an adjusting structure for ensuring the winding quality of a steel strip, a waste heat recovery structure for reducing the production cost and a cooling structure for accelerating the forming speed;

a transverse plate is transversely installed at the top end of the supporting leg, an unwinding roller is installed on one side of the top end of the transverse plate, a furnace body is transversely installed on the top end of the transverse plate on one side of the unwinding roller, a PLC (programmable logic controller) is installed at the upper end of one end of the furnace body, a preheating cavity is formed in one side of the interior of the furnace body, and a waste heat recovery structure is laid in the preheating cavity;

a heating cavity is transversely formed in the furnace body on one side of the preheating cavity, heating pipes are uniformly arranged on the surface of the interior of the heating cavity, a cooling sleeve is transversely arranged on the other side of the furnace body, and a cooling structure is arranged on the surface of the cooling sleeve;

the winding roller is installed on the diaphragm top of cooling sleeve one side, and the equal sliding connection in both ends on winding roller surface has the regulating plate, adjust the both ends that the structure all set up in regulating plate one end.

Preferably, the cooling structure includes first cooling jacket, first cooling jacket installs in the one side that cooling jacket surface is close to the furnace body, and the inside lower extreme of first cooling jacket installs radiator fan, radiating fin is evenly installed on the cooling jacket surface of first cooling jacket one side, and the cooling jacket surface mounting of radiating fin one side has the second cooling jacket, the water inlet has been seted up to one side of second cooling jacket bottom, and the delivery port has been seted up to the opposite side on second cooling jacket top.

Preferably, adjust the structure and include regulating spring, fixed block, kelly and card hole, the fixed block is all installed at the both ends of regulating plate one end, and the equal vertical penetration of one end of fixed block has the kelly, the one end on kelly surface all twines regulating spring, and the both ends of wind-up roll surface top and bottom evenly seted up with kelly matched with card hole.

Preferably, the heating cavity is in the shape of a regular hexagon, and six heating pipes are distributed in the heating cavity at equal angles.

Preferably, the waste heat recovery structure includes insulating tube, filter screen, drying plate, spout and slider, preheat the inside insulating tube that has laid of furnace body on cavity surface and extend to the furnace body outside, and the insulating tube other end passes through pipe and first cooling jacket top one side intercommunication, the spout is all installed to the both sides of the inside bottom of first cooling jacket, and the inside equal sliding connection of spout has the slider, drying plate and filter screen are transversely installed respectively to the upper end and the lower extreme of slider one side.

Preferably, the inclination angle of the second cooling jacket and the horizontal direction is 35 degrees, and the height from the water outlet to the top end of the transverse plate is greater than the height from the water inlet to the top end of the transverse plate.

Preferably, the other end of the inner part of the adjusting plate is uniformly provided with a groove, and the inner part of the groove is rotatably connected with a roller extending to the outer part of the adjusting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the radiating fins, the first cooling sleeve and the second cooling sleeve, the radiating fan is started, external cold air is sucked into the first cooling sleeve and blown to the cooling sleeve, so that the heat of a steel coil in the cooling sleeve is taken away conveniently, meanwhile, the passive radiating area of the cooling sleeve can be increased by arranging the radiating fins, cooling liquid can be injected into the second cooling sleeve through the water inlet, the flow velocity of the cooling liquid is reduced by utilizing the inclined second cooling sleeve, the contact time with the cooling sleeve is prolonged, the heat exchange effect is further improved, the heated steel coil can be rapidly cooled through multiple radiating, the brightness of the steel coil is kept, the product quality is improved, and the smooth production is facilitated;

(2) through the waste heat recovery structure and the preheating cavity, in the cooling process, impurities and water vapor in external fresh air are filtered by the filter screen and the drying plate, then the fresh air exchanges heat with the cooling sleeve, the heat-containing pure air enters the inside of the heat-insulating pipe through the guide pipe, and the preheating cavity is preheated and heated by the spiral heat-insulating pipe, so that waste heat recovery is realized, the need of preheating by additional energy is avoided, the production cost is reduced, the sliding of the sliding block in the sliding groove can be utilized, the filter screen and the drying plate can be conveniently taken out and replaced, the air filtering effect is ensured, and the pipeline is prevented from being blocked by the impurities;

(3) through being provided with regulation structure and regulating plate, break away from the card hole completely through the pulling kelly, stir the regulating plate about later for the regulating plate slides on the wind-up roll surface, and then changes the distance between the two of regulating plate, and makes it satisfy the coil of strip of different specifications, and then stability when guaranteeing the rolling, the increasing device practicality utilizes the rotation of gyro wheel simultaneously, makes the coil of strip be in the intermediate position department on wind-up roll surface more easily, improves the rolling quality, is convenient for accelerate work efficiency.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front view of the present invention;

FIG. 4 is a schematic view of the heating chamber of the present invention showing a side view of a part of the heating chamber;

fig. 5 is a schematic view of a partial enlarged structure of the waste heat recovery structure of the present invention;

fig. 6 is a schematic diagram of the adjusting structure according to the present invention.

In the figure: 1. an adjustment structure; 101. adjusting the spring; 102. a fixed block; 103. a clamping rod; 104. a clamping hole; 2. a wind-up roll; 3. a water outlet; 4. a heat dissipating fin; 5. a first cooling jacket; 6. a heating cavity; 7. heating a tube; 8. a waste heat recovery structure; 801. a heat preservation pipe; 802. filtering with a screen; 803. drying the plate; 804. a chute; 805. a slider; 9. unwinding rollers; 10. a preheating chamber; 11. a furnace body; 12. a heat radiation fan; 13. a cooling sleeve; 14. a support leg; 15. a transverse plate; 16. a water inlet; 17. a second cooling jacket; 18. an adjusting plate; 19. a PLC controller; 20. a groove; 21. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-6, a stainless steel coil annealing furnace with a rapid cooling mechanism comprises a furnace body 11 and supporting legs 14, and further comprises an adjusting structure 1 for ensuring the rolling quality of a steel strip, a waste heat recovery structure 8 for reducing the production cost and a cooling structure for accelerating the forming speed;

the top ends of the supporting legs 14 are transversely provided with transverse plates 15, one side of the top end of each transverse plate 15 is provided with an unwinding roller 9, the top end of the transverse plate 15 on one side of the unwinding roller 9 is transversely provided with a furnace body 11, the upper end of one end of the furnace body 11 is provided with a PLC (programmable logic controller) 19, the model of the PLC 19 can be FX1N-14MR-001, one side of the interior of the furnace body 11 is provided with a preheating cavity 10, and the waste heat recovery structure 8 is laid in the preheating cavity 10;

a heating cavity 6 is transversely formed in the furnace body 11 on one side of the preheating cavity 10, heating pipes 7 are uniformly arranged on the surface in the heating cavity 6, the type of each heating pipe 7 can be MTL2016, a cooling sleeve 13 is transversely arranged on the other side of the furnace body 11, and a cooling structure is arranged on the surface of the cooling sleeve 13;

the winding roller 2 is mounted at the top end of the transverse plate 15 on one side of the cooling sleeve 13, adjusting plates 18 are connected to two ends of the surface of the winding roller 2 in a sliding mode, and the adjusting structures 1 are arranged at two ends of one end of each adjusting plate 18;

referring to fig. 1-6, the stainless steel coil annealing furnace with the rapid cooling mechanism further comprises a cooling structure, the cooling structure comprises a first cooling jacket 5, the first cooling jacket 5 is installed on one side, close to a furnace body 11, of the surface of a cooling sleeve 13, a cooling fan 12 is installed at the lower end inside the first cooling jacket 5, the type of the cooling fan 12 can be HSTF001, cooling fins 4 are evenly installed on the surface of the cooling sleeve 13 on one side of the first cooling jacket 5, a second cooling jacket 17 is installed on the surface of the cooling sleeve 13 on one side of the cooling fins 4, a water inlet 16 is formed in one side of the bottom end of the second cooling jacket 17, and a water outlet 3 is formed in the other side of the top end of the second cooling jacket 17;

the heating cavity 6 is in a regular hexagon shape, and six heating pipes 7 are distributed in the heating cavity 6 at equal angles;

the inclination angle of the second cooling jacket 17 to the horizontal direction is 35 degrees, and the height from the water outlet 3 to the top end of the transverse plate 15 is larger than the height from the water inlet 16 to the top end of the transverse plate 15;

specifically, as shown in fig. 1, fig. 3 and fig. 4, through starting cooling fan 12, inhale inside first cooling jacket 5 with external cold wind, and blow to cooling sleeve 13, be convenient for take away the heat of the inside coil of strip of cooling sleeve 13, it can increase the passive heat radiating area of cooling sleeve 13 to set up radiating fin 4 simultaneously, and accessible water inlet 16 is to the inside coolant liquid that injects of second cooling jacket 17, utilize the second cooling jacket 17 of slope, make the coolant liquid velocity of flow reduce, improve and cooling sleeve 13 contact time, further improve the heat transfer effect, through multiple heat dissipation, make the coil of strip after the heating can rapid cooling, improve shaping speed, the heating chamber 6 of even setting simultaneously, be convenient for the even heating of steel strip.

Example 2: the adjusting structure 1 comprises an adjusting spring 101, a fixing block 102, a clamping rod 103 and clamping holes 104, wherein the fixing block 102 is installed at two ends of one end of the adjusting plate 18, the clamping rod 103 vertically penetrates through one end of the fixing block 102, the adjusting spring 101 is wound at one end of the surface of the clamping rod 103, and the clamping holes 104 matched with the clamping rod 103 are uniformly formed in two ends of the top end and the bottom end of the surface of the winding roller 2;

the other end of the inner part of the adjusting plate 18 is uniformly provided with a groove 20, and the inner part of the groove 20 is rotatably connected with a roller 21 extending to the outer part of the adjusting plate 18;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 6, through pulling kelly 103 to breaking away from the card hole 104 completely, later stir regulating plate 18 about, make regulating plate 18 slide on wind-up roll 2 surface, and then change the distance between the two of regulating plate 18, and make it satisfy the coil of strip of different specifications, improve the device practicality, utilize the rotation of gyro wheel 21 simultaneously, make the coil of strip be in wind-up roll 2 intermediate position department on surface more easily, improve the rolling quality, be convenient for accelerate work efficiency.

Example 3: the waste heat recovery structure 8 comprises a heat insulation pipe 801, a filter screen 802, a drying plate 803, a sliding groove 804 and a sliding block 805, the heat insulation pipe 801 extending to the outside of the furnace body 11 is laid in the furnace body 11 on the surface of the preheating cavity 10, the other end of the heat insulation pipe 801 is communicated with one side of the top end of the first cooling jacket 5 through a guide pipe, the sliding grooves 804 are arranged on two sides of the bottom end of the inside of the first cooling jacket 5, the sliding block 805 is connected to the inside of the sliding groove 804 in a sliding mode, and the drying plate 803 and the filter screen 802 are respectively and transversely arranged at the;

specifically, as shown in fig. 1 and 5, utilize filter screen 802 and drying plate 803 to filter impurity and steam in the external new trend, after the new trend and cooling sleeve 13 heat transfer, the heat-containing pure air passes through inside pipe entering insulating tube 801, utilizes spiral insulating tube 801 to preheat the intensification to preheating chamber 10, and then realizes waste heat recovery, avoids needing extra energy to preheat, reduction in production cost.

The output end of the PLC 19 is electrically connected with the input ends of the heating pipe 7 and the heat radiation fan 12 through conducting wires.

The working principle is as follows: when the device is used, firstly, the device is externally connected with a power supply, then, the unwinding roller 9 works to enable the steel coil to slowly enter the furnace body 11, the heating pipe 7 is started to heat the steel strip, then the steel strip enters the cooling sleeve 13, the cooling fan 12 is started to suck outside cold air into the first cooling sleeve 5 and blow the cold air to the cooling sleeve 13, so that the heat of the steel strip in the cooling sleeve 13 can be taken away conveniently, meanwhile, the arrangement of the heat radiating fins 4 can increase the passive heat radiating area of the cooling sleeve 13, and the cooling liquid can be injected into the second cooling jacket 17 through the water inlet 16, and by utilizing the inclined second cooling jacket 17, the flow velocity of the cooling liquid is reduced, the contact time with the cooling sleeve 13 is prolonged, the heat exchange effect is further improved, the cooling liquid after heat exchange is discharged through the water outlet 3, and the heated steel coil can be rapidly cooled through multiple heat dissipation, so that the brightness of the steel coil is kept;

the cooled steel coil is collected by rotating the winding roller 2, meanwhile, when steel coils with other specifications are processed, the clamping rod 103 can be pulled, the clamping rod 103 moves to stretch the adjusting spring 101 to be completely separated from the clamping hole 104, then the adjusting plate 18 is shifted left and right, the adjusting plate 18 slides on the surface of the winding roller 2, the distance between the adjusting plate 18 and the steel coil is further changed, the steel coil can meet the steel coils with different specifications, meanwhile, the steel coil is more easily located in the middle position of the surface of the winding roller 2 by the rotation of the roller 21, and the winding quality is improved;

simultaneously in the cooling process, utilize filter screen 802 and drying plate 803 to filter impurity and steam in the external new trend, after the new trend and cooling sleeve 13 heat transfer, calorifacient pure air passes through inside the pipe entering heat preservation pipe 801, utilize spiral heat preservation pipe 801 to preheat the intensification to preheating chamber 10, and then realize waste heat recovery, and the inside slip of usable slider 805 at spout 804, be convenient for take out and change filter screen 802 and drying plate 803, guarantee the filtration effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stainless steel coil annealing stove with quick cooling body, includes furnace body (11) and landing leg (14), its characterized in that: the device also comprises an adjusting structure (1) for ensuring the winding quality of the steel strip, a waste heat recovery structure (8) for reducing the production cost and a cooling structure for accelerating the forming speed;

a transverse plate (15) is transversely installed at the top end of the supporting leg (14), an unwinding roller (9) is installed on one side of the top end of the transverse plate (15), a furnace body (11) is transversely installed on the top end of the transverse plate (15) on one side of the unwinding roller (9), a PLC (programmable logic controller) controller (19) is installed at the upper end of one end of the furnace body (11), a preheating cavity (10) is formed in one side of the interior of the furnace body (11), and a waste heat recovery structure (8) is laid in the preheating cavity (10);

a heating cavity (6) is transversely formed in the furnace body (11) on one side of the preheating cavity (10), heating pipes (7) are uniformly arranged on the surface in the heating cavity (6), a cooling sleeve (13) is transversely arranged on the other side of the furnace body (11), and a cooling structure is arranged on the surface of the cooling sleeve (13);

winding roller (2) are installed on diaphragm (15) top of cooling sleeve (13) one side, and the equal sliding connection in both ends on winding roller (2) surface has regulating plate (18), adjust structure (1) and all set up the both ends in regulating plate (18) one end.

2. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 1, characterized in that: the cooling structure includes first cooling jacket (5), first cooling jacket (5) are installed and are being close to one side of furnace body (11) on cooling sleeve (13) surface, and the inside lower extreme of first cooling jacket (5) installs cooling fan (12), cooling sleeve (13) surface uniform installation of first cooling jacket (5) one side has radiating fin (4), and cooling sleeve (13) surface mounting of radiating fin (4) one side has second cooling jacket (17), water inlet (16) have been seted up to one side of second cooling jacket (17) bottom, and delivery port (3) have been seted up to the opposite side on second cooling jacket (17) top.

3. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 1, characterized in that: adjusting structure (1) includes regulating spring (101), fixed block (102), kelly (103) and card hole (104), both ends at regulating plate (18) one end are all installed in fixed block (102), and the equal vertical penetration of one end of fixed block (102) has kelly (103), the one end on kelly (103) surface all twines regulating spring (101), and the both ends of wind-up roll (2) surface top and bottom have evenly seted up with kelly (103) matched with card hole (104).

4. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 1, characterized in that: the heating cavity (6) is in a regular hexagon shape, and six heating pipes (7) are distributed in the heating cavity (6) at equal angles.

5. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 1, characterized in that: waste heat recovery structure (8) are including insulating tube (801), filter screen (802), drying plate (803), spout (804) and slider (805), inside insulating tube (801) that has laid and extend to furnace body (11) outside of preheating chamber (10) surface in furnace body (11), and insulating tube (801) other end through pipe and first cooling jacket (5) top one side intercommunication, spout (804) are all installed to the both sides of the inside bottom of first cooling jacket (5), and inside equal sliding connection of spout (804) has slider (805), drying plate (803) and filter screen (802) are transversely installed respectively to the upper end and the lower extreme of slider (805) one side.

6. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 2, characterized in that: the inclination angle of the second cooling jacket (17) and the horizontal direction is 35 degrees, and the height of the water outlet (3) from the top end of the transverse plate (15) is larger than the height of the water inlet (16) from the top end of the transverse plate (15).

7. The stainless steel coil annealing furnace with the rapid cooling mechanism according to claim 1, characterized in that: the other end of the inner part of the adjusting plate (18) is uniformly provided with a groove (20), and the inner part of the groove (20) is rotatably connected with a roller (21) extending to the outer part of the adjusting plate (18).