CN218191752U

CN218191752U - Hot rolling water circulation cooling device

Info

Publication number: CN218191752U
Application number: CN202221548447.9U
Authority: CN
Inventors: 斯高锋; 刘明; 张栋; 曹敏
Original assignee: Zhejiang Minghe Steel Pipe Co ltd
Current assignee: Zhejiang Minghe Steel Pipe Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-01-03
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to a hot rolled steel technical field discloses a hot rolling water circulative cooling device, it includes the pond, outlet pipe and moisturizing pipe, be provided with out the water pump in the pond, be provided with the apron on the pond, the play water end and the play water piping connection of going out the water pump, the outlet pipe runs through the apron, the moisturizing pipe runs through the lateral wall in pond, the apron is put on the shelf and is equipped with the drainage piece, the drainage piece is close to top department and is provided with the back flow, the bottom of drainage piece is provided with the drain pipe, be provided with the branch pipe on the drain pipe, the branch pipe is located the apron top, still be provided with high pressure positive blower on the apron, high pressure positive blower's the end of giving vent to anger passes through trachea and branch connection. The utility model has the advantages that: the impurity is removed through drainage piece to the cooling water of recovery to assemble to the bottom of box, when getting into the pond through the drain pipe, because let in the drain pipe has high-pressure gas, high-pressure gas takes away the heat energy in the cooling water and discharges the box, and the messenger cooling water that can be quick falls to the normal atmospheric temperature and carries out the recooling usefulness once more, and cooling effect is good during the used cycle.

Description

Hot rolling water circulation cooling device

Technical Field

The utility model relates to a hot rolled steel technical field, especially a hot rolling water circulative cooling device.

Background

When the hot-rolled seamless steel pipe is produced, a billet enters a rolling mill for rolling through the processes of heating by a circular furnace, perforating by a perforating machine and the like, the length of a hollow billet is generally between 5 and 10m, and the length of the rolled steel pipe is between 10 and 25 m. The temperature of the pierced billet in the rolling process is about 850-1000 ℃, the pierced billet belongs to high-temperature deformation, in the processes of high-speed axial rotation and longitudinal extension, the steel pipe and the guiding equipment are repeatedly contacted and rubbed, so that the temperature of the steel pipe is increased, the high-temperature outlet guide sleeve and the holding tile are easy to bond metal on the surface of the steel pipe, and the metal is adhered to the surface of the guiding equipment to form sharp bulges, so that the surface of the steel pipe rolled later is scratched.

Aiming at the problem of scratching the background of the rolling mill, the common solution is to increase cooling water so that background guiding equipment is fully cooled and the steel is prevented from being stuck, wherein the pure rolling process of the steel pipe is a process of high-speed rotation and longitudinal advance, and the cooling water is splashed to the surface of the steel pipe; the Chinese utility model (name: a hot-rolled seamless steel pipe guide cooling equipment authorization bulletin No. CN 202020502697.3) comprises a guide device and a cooling device, wherein the cooling device comprises a spray plate, a cooling water pipeline, a water pump, a water recovery pipeline and a filtering device; the side surface of the spray plate is arc-shaped and is matched with the upper end of the guide device, the water inlet of the spray plate is fixedly connected with the cooling water pipeline, the cooling water pipeline is connected with the water pump, the water recovery pipeline is laid on the ground surface, the upper layer of the water recovery pipeline is in a sieve shape, the outlet of the water recovery pipeline is connected with the filtering device, and the outlet of the filtering device is connected with the water pump through a channel; the water resource can be saved, but the recovered cooling water contains a large amount of heat energy, and the cooling effect is not good when the cooling water is recycled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot rolling water circulative cooling device to overcome prior art's shortcoming.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a hot rolling water circulative cooling device, includes pond, outlet pipe and moisturizing pipe, be provided with out the water pump in the pond, be provided with the apron on the pond, the play water pump go out the water end with go out water piping connection, the outlet pipe runs through the apron, the moisturizing pipe runs through the lateral wall in pond, the apron is put on the shelf and is equipped with the drainage piece, the drainage piece is close to top department and is provided with the back flow, the bottom of drainage piece is provided with the drain pipe, the drain pipe runs through the apron, be provided with the branch pipe on the drain pipe, the branch pipe is located the apron top, still be provided with high-pressure positive blower on the apron, the end of giving vent to anger of high-pressure positive blower pass through the trachea with branch connection.

Preferably, the water filtering part comprises a box body and a filter plate, the box body is erected on the cover plate through a support, the filter plate is inserted into the box body, the top of the box body is provided with an exhaust hole, the drain pipe is positioned at the bottom of the box body, and the return pipe is close to the top of the box body.

Preferably, the cover plate is provided with an A supporting block and a B supporting block, the A supporting block is provided with a locking piece, the high-pressure fan is fixed to the A supporting block through the locking piece, the B supporting block is provided with a containing groove, and the air pipe is clamped in the containing groove.

Preferably, the latch fitting includes the locking piece of T type groove and a pair of L shape, T type groove is seted up on the A supporting shoe, the through-hole has been seted up on the locking piece, the nut is installed to T type inslot, be provided with the A bolt in the through-hole, through will the nut is screwed up lock die on the A bolt the locking piece, it will through a pair of the locking piece high pressure positive blower presss from both sides tightly.

Preferably, the locking block is further provided with a threaded hole, a bolt B is screwed in the threaded hole, and the bolt B abuts against the high-pressure fan.

Preferably, a liquid level meter is arranged in the water tank.

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

the impurity is removed through drainage piece to the cooling water of recovery to assemble to the bottom of box, when getting into the pond through the drain pipe, because let in the drain pipe has high-pressure gas, high-pressure gas takes away the heat energy in the cooling water and discharges the box, and the messenger cooling water that can be quick falls to the normal atmospheric temperature and carries out the recooling usefulness once more, and cooling effect is good during the used cycle.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of a portion B of FIG. 1;

FIG. 4 is an enlarged partial view of FIG. 2 at A;

in the figure, 1-a water pool, 2-a water outlet pipe, 3-a water replenishing pipe, 4-a water outlet pump, 5-a cover plate, 6-a return pipe, 7-a water outlet pipe, 8-a high-pressure fan, 9-an air pipe, 10-a box body, 11-a supporting block, 12-B supporting block, 13-accommodating groove, 14-T-shaped groove, 15-locking block, 16-nut, 17-A bolt, 18-B bolt, 19-liquid level meter and 20-filter plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a hot rolling water circulation cooling device, which comprises a water tank 1, a water outlet pipe 2 and a water replenishing pipe 3, wherein a water outlet pump 4 is arranged in the water tank 1, a cover plate 5 is arranged on the water tank 1, the water outlet end of the water outlet pump 4 is connected with the water outlet pipe 2, the water outlet pipe 2 penetrates through the cover plate 5, the water replenishing pipe 3 penetrates through the side wall of the water tank 1, a water filtering part is erected on the cover plate 5, a backflow pipe 6 is arranged at the position, close to the top, of the water filtering part, a drain pipe 7 is arranged at the bottom of the water filtering part, the drain pipe 7 penetrates through the cover plate 5, a branch pipe is arranged on the drain pipe 7, the branch pipe is positioned above the cover plate 5, a high-pressure fan 8 is further arranged on the cover plate 5, the air outlet end of the high-pressure fan 8 is connected with the branch pipe through an air pipe 9, the recovered cooling water removes impurities through the water filtering part and converges the recovered cooling water to the bottom of a box 10, when the water enters the water tank 1 through the drain pipe 7, high-pressure air can cool the cooling water in the cooling water to cool the cooling water again and cool the water quickly.

In the present embodiment, as shown in fig. 1 and 2, the water filtering element includes a box 10 and a filter plate 20, the box 10 is erected on the cover plate 5 through a bracket, the filter plate 20 is inserted into the box 10, the top of the box 10 is provided with an exhaust hole, the drain pipe 7 is located at the bottom of the box 10, the return pipe 6 is close to the top of the box 10, the filter plate 20 is inserted obliquely upward, filtered impurities slide down and accumulate in the insertion hole, when the filter plate 20 is pulled out for replacement, the impurities fall out from the insertion hole and are prevented from entering the drain pipe 7, and a locking plate (not shown in the figure) is arranged on the outer side wall of the box 10, and after a new filter plate 20 is replaced, the filter plate 20 is locked by the locking plate to prevent sliding.

In this embodiment, as shown in fig. 1 and 2, the cover plate 5 is provided with an a supporting block 11 and a B supporting block 12, the a supporting block 11 is provided with a locking piece, the high-pressure fan 8 is fixed on the a supporting block 11 through the locking piece, the B supporting block 12 is provided with an accommodating groove 13, the air pipe 9 is clamped in the accommodating groove 13, the high-pressure fan 8 and the air pipe 9 are lifted away from the cover plate 5 through the supporting blocks, and erosion of accumulated water caused in rainy days is reduced.

In this embodiment, as shown in fig. 3, the locking member includes a T-shaped groove 14 and a pair of L-shaped locking blocks 15, the T-shaped groove 14 is formed in the a-shaped supporting block 11, a through hole is formed in the locking block 15, a nut 16 is installed in the T-shaped groove 14, an a bolt 17 is arranged in the through hole, the locking block 15 is locked by screwing the nut 16 on the a bolt 17, the high pressure positive blower 8 is clamped by the pair of locking blocks 15, the distance between the two locking blocks 15 is adjusted to adapt to the high pressure positive blowers 8 of different models and sizes, and the applicable locking range is wide.

In this embodiment, as shown in fig. 4, a threaded hole is further formed in the locking block 15, a B bolt 18 is screwed in the threaded hole, the B bolt 18 abuts against the high pressure fan 8, the locking force on the high pressure fan 8 is enhanced, and the risk of loosening the high pressure fan 8 is reduced.

In this embodiment, as shown in fig. 1, a liquid level meter 19 is provided in the pool 1, and the amount of water in the pool 1 is observed by the liquid level meter 19, thereby facilitating replenishment at any time.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hot rolling water circulative cooling device, includes pond (1), outlet pipe (2) and moisturizing pipe (3), be provided with out water pump (4) in pond (1), be provided with apron (5) on pond (1), the play water end of going out water pump (4) with outlet pipe (2) are connected, outlet pipe (2) run through apron (5), moisturizing pipe (3) run through the lateral wall in pond (1), its characterized in that: the water filter is characterized in that a water filtering piece is erected on the cover plate (5), a return pipe (6) is arranged at the position, close to the top, of the water filtering piece, a drain pipe (7) is arranged at the bottom of the water filtering piece, the drain pipe (7) penetrates through the cover plate (5), a branch pipe is arranged on the drain pipe (7), the branch pipe is located above the cover plate (5), a high-pressure fan (8) is further arranged on the cover plate (5), and the air outlet end of the high-pressure fan (8) is connected with the branch pipe through an air pipe (9).

2. A hot rolling water circulation cooling apparatus according to claim 1, wherein: the water filtering piece comprises a box body (10) and a filter plate (20), the box body (10) is erected on the cover plate (5) through a support, the filter plate (20) is inserted into the box body (10), exhaust holes are formed in the top of the box body (10), the drain pipe (7) is located at the bottom of the box body (10), and the return pipe (6) is close to the top of the box body (10).

3. A hot rolling water circulation cooling apparatus according to claim 1, wherein: be provided with A supporting shoe (11) and B supporting shoe (12) on apron (5), be provided with the latch fitting on A supporting shoe (11), high pressure positive blower (8) pass through the latch fitting is fixed on A supporting shoe (11), holding tank (13) have been seted up on B supporting shoe (12), trachea (9) card is in holding tank (13).

4. A hot rolling water circulation cooling apparatus according to claim 3, wherein: the latch fitting includes locking piece (15) of T type groove (14) and a pair of L shape, set up in T type groove (14) on A supporting shoe (11), the through-hole has been seted up on locking piece (15), install nut (16) in T type groove (14), be provided with A bolt (17) in the through-hole, through with nut (16) are screwed up A bolt (17) are locked die locking piece (15), through a pair of locking piece (15) will high pressure positive blower (8) press from both sides tightly.

5. A hot rolling water circulation cooling apparatus according to claim 4, wherein: the locking block (15) is further provided with a threaded hole, a B bolt (18) is screwed in the threaded hole, and the B bolt (18) abuts against the high-pressure fan (8).

6. A hot rolling water circulation cooling apparatus according to claim 1, wherein: a liquid level meter (19) is arranged in the water pool (1).