CN214516784U

CN214516784U - Hot-rolled steel coil cooling device

Info

Publication number: CN214516784U
Application number: CN202120592773.9U
Authority: CN
Inventors: 叶明明
Original assignee: Xinjiang Bayi Iron and Steel Co Ltd
Current assignee: Xinjiang Bayi Iron and Steel Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-29
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a hot-rolled steel coil cooling device, which comprises a base, four supporting rods are respectively and fixedly connected at four corners of the top end of the base, a supporting plate is fixedly connected between the tops of the four supporting rods, a first three-phase asynchronous motor is fixedly installed at one side of the bottom end of the supporting plate, and a first threaded rod is fixedly connected at the output end of the first three-phase asynchronous motor, the utility model carries out fixed-point injection through a plurality of spray heads so as to carry out cooling work, and simultaneously, two groups of radiating boxes are arranged in the ascending and descending process, so that the steel coil can be well assisted to radiate by utilizing radiating holes and radiating fans, thereby reaching the standard and achieving the purpose of increasing the cooling efficiency, and two groups of U-shaped return pipes are arranged, cooling water is cooled by utilizing the surface temperature, and the sprayed water is collected by a water storage box and is filtered by a conical filter screen, and the water flows back to the water cavity again and is sprayed out again, so that the recycling process is achieved, and the water resource is saved.

Description

Hot-rolled steel coil cooling device

Technical Field

The utility model relates to a steel rolling production facility field, concretely relates to hot rolling coil of strip cooling device.

Background

After the hot rolled steel coil is produced by a hot rolling production line, the hot rolled steel coil needs to be cooled to a certain temperature after being rolled, and then subsequent processes such as acid rolling can be carried out to complete the preparation of a final steel product. The purpose of cooling after rolling is to prevent the high temperature of the hot rolled steel coil from causing adverse effects on the production line equipment of the subsequent acid rolling. Wherein, after the hot rolled steel coil is discharged from the hot rolling production line, the hot rolled steel coil needs to be cooled to the on-line condition (such as below 80 ℃) of the subsequent acid rolling production line under the natural cooling condition for 2-5 days. In order to ensure continuous production of steel coils on the pickling line, a large library for placing hot rolled steel coils is needed, which is generally called a hot rolled steel coil library. A large number of hot rolled steel coils in the hot rolled steel coil warehouse occupy a large amount of mobile capital, and do not meet the requirement of lean production of modern enterprises.

At present, some enterprises adopt a water cooling tank cooling method, for example, chinese patent CN102921748 discloses a water cooling device for a stainless steel hot rolled coil and a cooling method thereof. The water-cooling device comprises a water-cooling tank and a steel coil transferring and lifting mechanism; the water cooling pool comprises a plurality of cooling tanks arranged in parallel, an oxide skin precipitation tank is transversely arranged close to one end of the plurality of cooling tanks arranged in parallel, and a drainage tank is arranged on one side of the oxide skin precipitation tank; a water inlet of industrial circulating water is arranged above each cooling tank, a plurality of water inlets are communicated with a conveying pipeline of the industrial circulating water, and a water inlet valve is arranged on each water inlet; and the stainless steel hot rolled steel coil is transferred into a water cooling tank by the steel coil transferring and lifting mechanism.

But the cooling device of current exists because the storehouse of hot rolling factory is little, and the coil of strip output of production is high, leads to cooling efficiency can't effectually obtain improving to whole consumption to the water resource is great, especially summer, and the air cooling ability can not satisfy actual demand far away, and cooling efficiency is slow.

Disclosure of Invention

In order to solve the existing problem, the utility model provides a hot-rolled steel coil cooling device.

The utility model discloses a realize through following technical scheme: a hot-rolled steel coil cooling device comprises a base, wherein four supporting rods are fixedly connected to four corners of the top end of the base respectively, a supporting plate is fixedly connected between the tops of the four supporting rods, a first three-phase asynchronous motor is fixedly mounted on one side of the bottom end of the supporting plate, a first threaded rod is fixedly connected to the output end of the first three-phase asynchronous motor, a first fixed block is fixedly connected to the other side of the bottom end of the supporting plate, a first bearing is embedded in the first fixed block, the other end of the first threaded rod extends into the first fixed block to be fixedly connected with the inner ring wall of the first bearing, a threaded sleeve is screwed on the first threaded rod, a U-shaped limiting block is fixedly connected to the bottom end of the threaded sleeve, the top end of the U-shaped limiting block is attached to the bottom end of the supporting plate, a first hydraulic cylinder is fixedly connected to the bottom end of the U-shaped limiting block, a mounting plate is fixedly connected to the bottom end of the first hydraulic cylinder, a second three-phase asynchronous motor is fixedly mounted on one side of the bottom end of the mounting plate, a second threaded rod is fixedly connected to the output end of the second three-phase asynchronous motor, a second fixed block is fixedly connected to the other side of the bottom end of the mounting plate, a second bearing is embedded in the second fixed block, the other end of the second threaded rod extends into the second fixed block and is fixedly connected with the inner annular wall of the second fixed block, two movable plates are screwed on the second threaded rod, an inserted link is fixedly connected to the bottom end of one side of each movable plate, a rib plate is fixedly connected between each inserted link and the movable plate, two limiting plates are respectively and fixedly connected to two sides of each movable plate, the limiting plates are L-shaped, the top end of each limiting plate is attached to the bottom end of the mounting plate, a rib rod is fixedly connected to the joint of each limiting plate and each movable plate, and a positioning block is fixedly connected to the bottom end of each inserted link, two groups of heat dissipation boxes are respectively and fixedly arranged on two sides of the top end of the base, each group of heat dissipation boxes is two, a heat dissipation fan is fixedly arranged on the side wall of each heat dissipation box, the heat dissipation fan is communicated with the heat dissipation boxes, a plurality of heat dissipation holes are uniformly and fixedly arranged on the other side wall of each heat dissipation box, a second hydraulic cylinder is fixedly arranged at the center of the top end of the base, the top end of the second hydraulic cylinder is fixedly connected with a lifting plate, two ejector rods are respectively and fixedly arranged on two sides of the top end of the lifting plate, bearing plates are respectively and fixedly connected with the top ends of the two ejector rods, a rib plate is fixedly connected with the joint of the bearing plates and the ejector rods, a placing block is fixedly arranged at the top end of each bearing plate, the top end of the placing block is arc-shaped, a water storage box is arranged at the top end of the lifting plate in a fit manner, an open box body is arranged at the top end of the water storage box, and water cavities are respectively arranged in two side walls of the water storage box, the bottom end of the water storage tank is fixedly provided with two sets of U-shaped return pipes respectively, each set of U-shaped return pipe is two, each U-shaped return pipe penetrates through the lifting plate and is fixedly connected with the top end of the base, the U-shaped return pipes are connected with the lifting plate in a sliding manner, one end of each set of U-shaped return pipe extends into the water cavity of the corresponding side wall of the water storage tank, the other end of each set of U-shaped return pipe is communicated with the water storage tank, the end, communicated with the water storage tank, of each set of U-shaped return pipe is fixedly provided with a conical filter screen, two sets of brackets are uniformly and fixedly arranged on the inner bottom surface of the water storage tank, a built-in water pump is fixedly arranged in each water cavity, the top end of each water cavity is fixedly connected with a connecting pipe, two sides of the top end of the water storage tank are fixedly connected with a diversion tank respectively, a plurality of spray heads are uniformly and fixedly arranged on the side wall of each diversion tank, and the other end of each connecting pipe is fixedly connected with the bottom end of the corresponding diversion tank and communicated with each diversion tank respectively, equal fixed mounting has the water tank on the lateral wall of every flow distribution box, the water tank all communicates with each other through the siphunculus with the flow distribution box, and fixed mounting has auxiliary fan and multiunit fin respectively on the lateral wall of every water tank, the equal fixedly connected with filler pipe in top of every water tank.

Preferably, the base is fixedly connected with the supporting rod through welding.

Preferably, the first three-phase asynchronous motor and the second three-phase asynchronous motor are both electrically connected with an external power supply through a line.

Preferably, the first hydraulic cylinder and the second hydraulic cylinder are connected with an external hydraulic station through pipelines.

Preferably, the U-shaped return pipe is made of a hard alloy material.

Preferably, the distance between the two ends of the bracket and the side walls of the two placing blocks is 2-3 mm.

Preferably, the arc-shaped surface at the top end of the placing block is higher than the top end of the bracket by 5-6 cm.

Compared with the prior art, the utility model discloses a plurality of shower nozzles carry out the fixed point and spray, thereby cool down work, simultaneously at the in-process that rises to descend, be provided with two sets of heat dissipation boxes, thereby utilization louvre and cooling fan that can be fine come to assist the heat dissipation to the coil of strip, thereby reach the standard, thereby reach the purpose that increases cooling efficiency, and be provided with two sets of U type back flows, utilize the earth's surface temperature to come to cool down the cooling water, and spun water passes through the water storage box and collects the back, after the filtration of toper filter screen, flow back to the water intracavity again, spout again, thereby reach cyclic utilization's process, water economy resource.

Drawings

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

FIG. 2 is a side view of the mounting plate of FIG. 1 according to the present invention;

FIG. 3 is a partial enlarged view of A in FIG. 1 according to the present invention;

FIG. 4 is a cross-sectional view of B-B of FIG. 1 according to the present invention;

fig. 5 is a side view of the heat dissipation box of the present invention shown in fig. 1.

In the figure: the device comprises a base 1, a support rod 2, a support plate 3, a first three-phase asynchronous motor 4, a first threaded rod 5, a first fixed block 6, a first bearing 7, a threaded sleeve 8, a U-shaped limiting block 9, a first hydraulic cylinder 10, an installation plate 11, a second three-phase asynchronous motor 12, a second fixed block 13, a second bearing 14, a second threaded rod 15, a movable plate 16, a limiting plate 17, a rib rod 18, an inserted rod 19, a positioning block 20, a heat dissipation box 21, a heat dissipation hole 22, a heat dissipation fan 23, a second hydraulic cylinder 24, a lifting plate 25, a top rod 26, a bearing plate 27, a placement block 28, a water storage box 29, a support 30, a U-shaped return pipe 31, a conical filter screen 32, a flow dividing box 33, a spray head 34, a water cavity 35, a built-in water pump 36, a connecting pipe 37, a through pipe 38, a water tank 39, an auxiliary fan 40 and cooling fins 41.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a hot-rolled steel coil cooling device comprises a base 1, four supporting rods 2 are fixedly connected to four corners of the top of the base 1, a supporting plate 3 is fixedly connected between the tops of the four supporting rods 2, a first three-phase asynchronous motor 4 is fixedly mounted on one side of the bottom of the supporting plate 3, a first threaded rod 5 is fixedly connected to the output end of the first three-phase asynchronous motor 4, a first fixing block 6 is fixedly connected to the other side of the bottom of the supporting plate 3, a first bearing 7 is embedded in the first fixing block 6, the other end of the first threaded rod 5 extends into the first fixing block 6 and is fixedly connected to the inner annular wall of the first bearing 7, a threaded sleeve 8 is screwed onto the first threaded rod 5, a U-shaped limiting block 9 is fixedly connected to the bottom of the threaded sleeve 8, the top end of the U-shaped limiting block 9 is attached to the bottom of the supporting plate 3, the bottom end of the U-shaped limiting block 9 is fixedly connected with a first hydraulic cylinder 10, the bottom end of the first hydraulic cylinder 10 is fixedly connected with a mounting plate 11, one side of the bottom end of the mounting plate 11 is fixedly provided with a second three-phase asynchronous motor 12, the output end of the second three-phase asynchronous motor 12 is fixedly connected with a second threaded rod 15, the other side of the bottom end of the mounting plate 11 is fixedly connected with a second fixed block 13, a second bearing 14 is embedded in the second fixed block 13, the other end of the second threaded rod 15 extends into the second fixed block 13 and is fixedly connected with the inner ring wall of the second fixed block 13, the second threaded rod 15 is screwed with two movable plates 16, the bottom end of one side of each movable plate 16 is fixedly connected with an inserting rod 19, rib plates are fixedly connected between the inserting rods 19 and the movable plates 16, two limiting plates 17 are fixedly connected with two sides of the movable plates 16 respectively, and the limiting plates 17 are L-shaped, the top end of each limit plate 17 is attached to the bottom end of the mounting plate 11, a rib 18 is fixedly connected at the joint of the limit plate 17 and the movable plate 16, a positioning block 20 is fixedly connected in the bottom end of each insertion rod 19, two groups of heat dissipation boxes 21 are respectively and fixedly installed on two sides of the top end of the base 1, two heat dissipation boxes 21 are respectively arranged, a heat dissipation fan 23 is fixedly installed on the side wall of each heat dissipation box 21, the heat dissipation fan 23 is communicated with the heat dissipation boxes 21, a plurality of heat dissipation holes 22 are uniformly and fixedly installed on the other side wall of each heat dissipation box 21, a second hydraulic cylinder 24 is fixedly installed at the center of the top end of the base 1, a lifting plate 25 is fixedly connected at the top end of the second hydraulic cylinder 24, two ejector rods 26 are respectively and fixedly installed on two sides of the top end of the lifting plate 25, a bearing plate 27 is respectively and fixedly connected at the joint of the bearing plate 27 and the ejector rods 26 is fixedly connected with a rib plate, the top end of each bearing plate 27 is fixedly provided with a placing block 28, the top end of the placing block 28 is arc-shaped, the top end of the lifting plate 25 is attached to a water storage tank 29, the water storage tank 29 is a tank body with an opening at the top end, two side walls of the water storage tank 29 are respectively provided with a water cavity 35, the bottom end of the water storage tank 29 is respectively fixedly provided with two groups of U-shaped return pipes 31, each group of U-shaped return pipes 31 is two, each U-shaped return pipe 31 penetrates through the lifting plate 25 and is fixedly connected with the top end of the base 1, each U-shaped return pipe 31 is in sliding connection with the lifting plate 25, one end of each group of U-shaped return pipes 31 extends into the corresponding water cavity 35 on the side wall of the water storage tank 29, the other end of each group of U-shaped return pipes 31 is communicated with the water storage tank 29, one end of each group of U-shaped return pipes 31 communicated with the water storage tank 29 is fixedly provided with a conical filter screen 32, and two groups of supports 30 are uniformly and fixedly arranged on the surface of the water storage tank 29, all fixed mounting has built-in water pump 36 in every water cavity 35, the equal fixedly connected with connecting pipe 37 in top of every water cavity 35, the top both sides fixedly connected with flow distribution box 33 respectively of water storage box 29, even fixed mounting has a plurality of shower nozzles 34 on the lateral wall of every flow distribution box 33, the other end of every connecting pipe 37 respectively with corresponding flow distribution box 33 bottom fixed connection and communicate with each other, all fixed mounting has water tank 39 on the lateral wall of every flow distribution box 33, water tank 39 all communicates with each other through siphunculus 38 with flow distribution box 33, on the lateral wall of every water tank 39 respectively fixed mounting have auxiliary fan 40 and multiunit fin 41, the equal fixedly connected with water feeding pipe in top of every water tank 39.

The base 1 is fixedly connected with the support rod 2 through welding. The first three-phase asynchronous motor 4 and the second three-phase asynchronous motor 12 are electrically connected with an external power supply through lines. The first hydraulic cylinder 10 and the second hydraulic cylinder 24 are both connected with an external hydraulic station through pipelines. The U-shaped return pipe 31 is made of hard alloy material. The distance between the two ends of the bracket 30 and the side walls of the two placing blocks 28 is 2-3 mm. The arc-shaped surface at the top end of the placing block 28 is higher than the top end of the bracket 30 by 5-6 cm.

The working principle is as follows: when the device is used, firstly, the device is placed in a working area, then the power supply of each drive in the device is switched on, so that the device is in a standby state, the device can be normally used, when in use, firstly, a steel pipe is placed on a placing block 28 on the right side (the direction in figure 1, when in placement, the second hydraulic cylinder 24 is in a descending state), then, the second hydraulic cylinder 24 is started to enable the lifting plate 25 to ascend, so that a steel coil is positioned at the top ends of the two groups of supports 30, at the moment, the first three-phase asynchronous motor 4 is started, the first threaded rod 5 is rotated, so that the threaded sleeve 8 moves to a proper position, the U-shaped limiting block 9 is arranged, so that the threaded sleeve 8 can normally move, then, the first hydraulic cylinder 10 is started to enable the mounting plate 11 to ascend to a proper position, and then the second three-phase asynchronous motor 12 is started, so that the two moving plates 16 move towards the middle at the same time (the direction in fig. 2 is that the two moving plates 16 have opposite thread directions, so that the steel coil can normally move towards the middle), thus lifting the steel coil by using the two insertion rods 19, and simultaneously starting the first three-phase asynchronous motor 4, so that the steel pipe can move (the direction in fig. 1, so that the steel pipe is positioned on the two sets of brackets 30, the positioning block 20 is clamped between the two sets of brackets 30 for limiting, preventing side turning, and reducing the load of the insertion rods 19), so that after the movement starts, the steel pipe is moved between the two diversion boxes 33, and then is subjected to fixed-point spraying by the plurality of spray heads 34, so as to perform cooling operation, after the cooling operation is completed, the steel coil moves to the left placing block 28, at this time, the second hydraulic cylinder 24 descends, the steel coil can be smoothly taken down, and simultaneously in the process of ascending and descending, because two groups of heat dissipation boxes 21 are arranged, the steel coil can be well cooled in an auxiliary manner by utilizing the heat dissipation holes 22 and the heat dissipation fan 23, so that the purpose of increasing the cooling efficiency is achieved, and two groups of U-shaped return pipes 31 are arranged, the U-shaped return pipes 31 are in contact with the ground, the cooling water is cooled by utilizing the ground surface temperature (furthermore, the two groups of U-shaped return pipes 31 can extend into the ground so as to achieve a better heat dissipation effect), the auxiliary fans 40 and the heat dissipation fins 41 are also arranged at the positions of the water boxes 39 at the two sides, so that the cooling water can be well cooled, the sprayed water is collected by the water storage box 29, is filtered by the conical filter screen 32, then flows back into the water cavity 35 again, and is sprayed out again under the action of the built-in water pump 36 and the connecting pipe 37, so that the recycling process is achieved, and water resources are saved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A hot rolled steel coil cooling device comprises a base (1) and is characterized in that; the four corners of the top end of the base (1) are respectively fixedly connected with four supporting rods (2), a supporting plate (3) is fixedly connected between the top ends of the four supporting rods (2), a first three-phase asynchronous motor (4) is fixedly installed on one side of the bottom end of the supporting plate (3), a first threaded rod (5) is fixedly connected with the output end of the first three-phase asynchronous motor (4), a first fixed block (6) is fixedly connected with the other side of the bottom end of the supporting plate (3), a first bearing (7) is embedded in the first fixed block (6), the other end of the first threaded rod (5) extends into the first fixed block (6) and is fixedly connected with the inner ring wall of the first bearing (7), a threaded sleeve (8) is screwed on the first threaded rod (5), a U-shaped limiting block (9) is fixedly connected with the bottom end of the threaded sleeve (8), and the top end of the U-shaped limiting block (9) is laminated with the bottom end of the supporting plate (3), the bottom end of the U-shaped limiting block (9) is fixedly connected with a first hydraulic cylinder (10), the bottom end of the first hydraulic cylinder (10) is fixedly connected with a mounting plate (11), one side of the bottom end of the mounting plate (11) is fixedly provided with a second three-phase asynchronous motor (12), the output end of the second three-phase asynchronous motor (12) is fixedly connected with a second threaded rod (15), the other side of the bottom end of the mounting plate (11) is fixedly connected with a second fixed block (13), a second bearing (14) is embedded in the second fixed block (13), the other end of the second threaded rod (15) extends into the second fixed block (13) and is fixedly connected with the inner ring wall of the second fixed block (13), the second threaded rod (15) is screwed with two movable plates (16), the bottom end of one side of each movable plate (16) is fixedly connected with an insert rod (19), and rib plates are fixedly connected between the insert rods (19) and the movable plates (16), two limiting plates (17) are fixedly connected to two sides of the movable plate (16) respectively, the limiting plates (17) are L-shaped, the top end of each limiting plate (17) is attached to the bottom end of the mounting plate (11), rib rods (18) are fixedly connected to the joints of the limiting plates (17) and the movable plate (16), positioning blocks (20) are fixedly connected to the bottom ends of the insertion rods (19), two groups of heat dissipation boxes (21) are fixedly mounted on two sides of the top end of the base (1) respectively, two heat dissipation boxes (21) are arranged in each group, a heat dissipation fan (23) is fixedly mounted on the side wall of each heat dissipation box (21), the heat dissipation fan (23) is communicated with the heat dissipation boxes (21), a plurality of heat dissipation holes (22) are uniformly and fixedly arranged on the other side wall of each heat dissipation box (21), and a second hydraulic cylinder (24) is fixedly mounted at the center of the top end of the base (1), the top end of the second hydraulic cylinder (24) is fixedly connected with a lifting plate (25), two ejector rods (26) are respectively fixedly installed on two sides of the top end of the lifting plate (25), bearing plates (27) are respectively fixedly connected with the top ends of the two ejector rods (26), rib plates are fixedly connected with the joints of the bearing plates (27) and the ejector rods (26), a placing block (28) is fixedly installed on the top end of each bearing plate (27), the top end of the placing block (28) is arc-shaped, a water storage tank (29) is placed on the top end of the lifting plate (25) in a laminating manner, the water storage tank (29) is a box body with an opening formed in the top end, water cavities (35) are respectively arranged in two side walls of the water storage tank (29), two groups of U-shaped return pipes (31) are respectively fixedly installed at the bottom end of the water storage tank (29), two U-shaped return pipes (31) are arranged in each group, and each U-shaped return pipe (31) passes through the lifting plate (25) and is fixedly connected with the top end of the base (1), the U-shaped return pipe (31) is connected with the lifting plate (25) in a sliding manner, one end of each group of U-shaped return pipe (31) extends into a water cavity (35) on the side wall of the corresponding water storage tank (29), the other end of each group of U-shaped return pipe (31) is communicated with the water storage tank (29), one end of each group of U-shaped return pipe (31) communicated with the water storage tank (29) is fixedly provided with a conical filter screen (32), two groups of brackets (30) are uniformly and fixedly arranged on the inner bottom surface of the water storage tank (29), a built-in water pump (36) is fixedly arranged in each water cavity (35), the top end of each water cavity (35) is fixedly connected with a connecting pipe (37), two sides of the top end of the water storage tank (29) are fixedly connected with a diversion tank (33) respectively, a plurality of spray heads (34) are uniformly and fixedly arranged on the side wall of each diversion tank (33), and the other end of each connecting pipe (37) is fixedly connected and communicated with the bottom end of the corresponding diversion tank (33) respectively, equal fixed mounting has water tank (39) on the lateral wall of every flow divider box (33), water tank (39) all communicate with each other through siphunculus (38) with flow divider box (33), and fixed mounting has auxiliary fan (40) and multiunit fin (41) respectively on the lateral wall of every water tank (39), and the equal fixedly connected with water pipe in top of every water tank (39).

2. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the base (1) is fixedly connected with the supporting rod (2) through welding.

3. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the first three-phase asynchronous motor (4) and the second three-phase asynchronous motor (12) are electrically connected with an external power supply through lines.

4. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the first hydraulic cylinder (10) and the second hydraulic cylinder (24) are connected with an external hydraulic station through pipelines.

5. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the U-shaped return pipe (31) is made of hard alloy materials.

6. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the distance between the two ends of the support (30) and the side walls of the two placing blocks (28) is 2-3 mm.

7. The apparatus for cooling hot rolled steel coil as claimed in claim 1, wherein: the arc-shaped surface of the top end of the placing block (28) is higher than the top end of the bracket (30) by 5-6 cm.