CN216095590U

CN216095590U - Novel anti-stripping water collecting pipe for finish rolling machine frame in hot continuous rolling process during steel production

Info

Publication number: CN216095590U
Application number: CN202122677303.5U
Authority: CN
Inventors: 陈高兴
Original assignee: Jiachen Technology Tianjin Co ltd
Current assignee: Jiachen Technology Tianjin Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-22
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to the technical field of steel production, in particular to a novel anti-stripping water collecting pipe for a finish rolling rack in a hot continuous rolling process of steel production, which comprises a header pipe, the left end of the main pipe is communicated with two water inlet pipes, the right part of the outer wall of the main pipe is communicated with a plurality of transmission pipes, each transmission pipe comprises upper pipes, the right end of each upper pipe is communicated with a middle pipe, the right part of the middle pipe is communicated with a lower pipe, the upper pipe, the middle pipe and the lower pipe are integrally arranged, the distance between every two adjacent transmission pipes is the same, the right end of each lower pipe is communicated with a spray head, the inner wall of the spray head is elliptical, the water distribution column is arranged inside the spray head, the outer wall of the spray head is connected with the nut through threads, and the middle part of each middle pipe is positioned through the positioning device.

Description

Novel anti-stripping water collecting pipe for finish rolling machine frame in hot continuous rolling process during steel production

Technical Field

The utility model relates to the technical field of steel production, in particular to a novel anti-stripping water collecting pipe for a finish rolling rack in a hot continuous rolling process of steel production.

Background

As an important step of steel production, hot rolling is a key step of converting a steel ingot into a hot rolled coil or a hot rolled plate, and in conventional hot continuous rolling, the first stands of a finish rolling stand, such as F1-F4 stands, or the entire stands, i.e., F1-F7 stands, cool the surface of the ingot before the strip bites into the ingot, thereby ensuring a sufficient temperature drop on the surface of the ingot and the uniformity of the peeling of the oxide film on the surface of a work roll contacting the surface of the ingot, which is called a peeling prevention water header, i.e., a header for preventing the uneven peeling of the oxide film on the surface of the work roll.

Patent No. cn201922029629.x discloses a novel cooling system for a high-speed steel work roll for hot rolling, which fully illustrates the prior art structure, because the spraying position of the peeling water is relatively far from the rolling zone, after the peeling water cools the surface of the rolled material for a short time, along with the movement of the blank to the biting point, the high temperature in the middle of the blank is quickly transferred to the surface of the blank, the surface temperature of the work roll is quickly increased under the combined action of the high-temperature blank and the rolling force and the support roll pressing friction force, the influence of the abrasion of the water cutting plate (plastic material) on the spraying position is not considered, in the actual production, the plastic material water cutting plate is abraded, once the abrasion occurs, the spraying position of the peeling water is changed and abraded to a certain degree, the peeling water is sprayed to the surface of the roll but not to the surface of the blank, and the uncooled to the surface of the blank to generate temperature drop, the uneven reduction of the surface temperature of the work roll is caused, the uneven peeling of the oxide film is caused, in some existing hot continuous rolling units, the arrangement of nozzles on a header is not reasonable, the water distribution is uneven, whether the header is an upper header or a lower header, the distance between two nozzles on two sides of the header is 80mm, the distance between the other nozzles except for the nozzle on the outermost edge is 150mm, the same nozzles are arranged, the water distribution is uneven, and the sprayed water prints are interfered.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel anti-stripping water collecting pipe for a finish rolling machine frame in a continuous rolling process during steel production, which has the advantages of reducing the nonuniformity of the surface temperature of a working roll, reducing the nonuniformity of water distribution and reducing the change of the spray position of anti-stripping water falling.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a steel produces hot continuous rolling process finish rolling frame and uses novel anti-stripping water collector, including the house steward, the left end intercommunication of house steward has two inlet tubes, the outer wall right part intercommunication of house steward has a plurality of transmission pipes, and the transmission pipe includes the top tube, each the right-hand member intercommunication of top tube has well pipe, the right part intercommunication of well pipe has the low tube, top tube, well pipe and low tube are the integration setting, and every adjacent two interval between the transmission pipe is the same, each the right-hand member of low tube all communicates there is the shower nozzle, the inner wall of shower nozzle is oval form, the inside of shower nozzle is provided with the water diversion post, and there is the nut outer wall of shower nozzle through threaded connection, each the middle part of well pipe is fixed a position through positioner.

The positioning device comprises positioning pipes, the positioning pipes are semicircular pipes, the positioning pipes are provided with a plurality of positioning pipes, the positioning pipes are respectively arranged on the upper portion and the lower portion of the middle pipe, a connecting plate is fixedly connected between two adjacent positioning pipes on the upper portion, the same fixedly connected between two adjacent positioning pipes on the lower portion is connected with the connecting plate through positioning screws, and the connecting plate on the upper side is connected with the corresponding connecting plate on the lower side through the positioning screws.

The outer wall of the lower pipe is provided with a hexagonal groove.

The left end fixedly connected with first flange of inlet tube, the left end of first flange has the second flange through screw connection, the outer wall of second flange is provided with the opening.

The distance between every two adjacent lower pipes is larger than 80 mm.

The positioning pipe is made of wear-resistant plastic.

Compared with the prior art, the utility model provides a novel anti-stripping water header for a finish rolling rack in a continuous rolling process during steel production, which has the following beneficial effects:

the novel anti-stripping water collecting pipe for the finish rolling stand in the hot continuous rolling procedure in steel production is characterized in that a plurality of transmission pipes are uniformly arranged, and is positioned by the positioning device, the influence of the abrasion of the water cutting plate on the spraying position is considered, even under the condition of maximum abrasion of the water cutting plate, the anti-stripping water falling device has the advantages that the anti-stripping water falling is only sprayed to the surface of a blank but not to the surface of a working roller, the arrangement mode of the existing collecting pipe is changed, the distance between two adjacent nozzles of the collecting pipe is adjusted, the original uneven distance is changed into the even distance, the water distribution when the nozzles spray is ensured to be even, the spraying water prints of the two adjacent nozzles or the same row of nozzles are overlapped without interference, the existing transmission mode of the collecting pipe is changed, the normal installation of the collecting pipe at the adjusted even distance is ensured, the change of the anti-stripping water spraying position caused by the abrasion of the original water cutting plate (plastic material) is avoided, and the uneven stripping of an oxide film on the surface of the working roller caused by the unreasonable arrangement of the anti-stripping water nozzles is avoided.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

fig. 4 is a partially enlarged structural view of the utility model at C in fig. 1.

The symbols in the drawings illustrate that:

1. a header pipe; 2. a water inlet pipe; 3. a first flange; 4. a second flange; 5. feeding a pipe; 6. a middle tube; 7. a lower pipe; 8. a positioning tube; 9. a water diversion column; 10. a nut; 11. a spray head; 12. a hexagonal groove; 13. a connecting plate; 14. and (5) positioning the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a novel anti-stripping water header for a finish rolling stand in a hot continuous rolling process in steel production comprises a header pipe 1, wherein the left end of the header pipe 1 is communicated with two water inlet pipes 2, the left end of each water inlet pipe 2 is fixedly connected with a first flange 3, the left end of each first flange 3 is connected with a second flange 4 through a screw, the outer wall of each second flange 4 is provided with an opening, when the second flange 4 is connected with an external pipe through the opening, the stability of the joint is improved by pressing the opening, the right part of the outer wall of the header pipe 1 is communicated with a plurality of transmission pipes, each transmission pipe comprises upper pipes 5, the right end of each upper pipe 5 is communicated with a middle pipe 6, the right part of the middle pipe 6 is communicated with a lower pipe 7, the upper pipes 5, the middle pipes 6 and the lower pipes 7 are integrally arranged, the distance between every two adjacent transmission pipes is the same, the distance between every two adjacent lower pipes 7 is 90mm, and the distance between every two adjacent lower pipes 7 is larger than 80, the interval between two adjacent nozzles of a collecting pipe can be effectively adjusted, the uniform water distribution when the nozzles spray is ensured, the interference condition of the spray watermarks of two adjacent nozzles or the same row of nozzles is reduced, the right end of each lower pipe 7 is communicated with a spray head 11, the inner wall of the spray head 11 is in an oval shape, a water distribution column 9 is arranged inside the spray head 11, the outer wall of the spray head 11 is connected with a nut 10 through threads, the middle part of each middle pipe 6 is positioned through a positioning device, the outer wall of the lower pipe 7 is provided with a hexagonal groove 12, the lower pipe 7 is positioned when a wrench is used for rotating the nut 10 conveniently through the arrangement of the hexagonal groove 12, a plurality of transmission pipes are uniformly arranged and positioned through the positioning device, the influence of the abrasion of a water cutting plate on the spraying position is considered, the condition that the water cutting plate is abraded to the maximum, the water cutting plate is ensured to be sprayed on the surface of a blank instead of the surface of a working roller, and the arrangement mode of the existing collecting pipe is changed, the interval between two adjacent nozzles of header has been adjusted, by original inhomogeneous interval, change into even interval, the water distribution when guaranteeing the nozzle injection is even, the water jet printing of two adjacent nozzles or same row of nozzle has the stack and does not have the interference, the current transmission mode of header has been changed, the normal installation of header under the even interval after the assurance is adjusted, avoid because of the wearing and tearing of former cutting board (plastics material), the change of the anti-stripping water injection position that arouses, avoid arranging the unreasonable work roll surface oxide film who leads to because of the anti-stripping water nozzle and peel off inhomogeneously.

Wherein, the positioning device comprises a positioning pipe 8, the positioning pipe 8 is in a semicircular pipe shape, a plurality of positioning pipes 8 are arranged, the positioning pipes 8 are respectively arranged at the upper part and the lower part of each middle pipe 6, a connecting plate 13 is fixedly connected between two adjacent positioning pipes 8 at the upper part, a connecting plate 13 is also fixedly connected between two adjacent positioning pipes 8 at the lower part, the connecting plate 13 at the upper side and the corresponding connecting plate 13 at the lower side are connected through a positioning screw 14, the positioning pipes 8 are matched with the middle pipes 6 and are connected with the adjacent positioning pipes 8 through a lower pipe 7, so that the relative position between the middle pipes 6 is effectively fixed, the lower pipe 7 and the positioning pipes 8 are positioned in a mode of connecting through the positioning screw 14, the condition of position deviation of the middle pipes 6 is reduced, the position between the adjacent middle pipes 6 is effectively ensured, the positioning pipes 8 are made of wear-resistant plastics, POM materials can be selected and used, and the wear resistance of the wear-resistant plastics is achieved, the damage of the positioning pipe 8 can be reduced, and the situation of position deviation between the adjacent middle pipes 6 can be effectively reduced.

When the water collecting device is used, the whole body is divided into an upper water collecting pipe and a lower water collecting pipe which are respectively arranged at the spray heads and symmetrically arranged, so that the 11 is aligned to the steel.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The hot continuous rolling process finish rolling frame of steel production uses a novel anti-stripping water header, its characterized in that: including house steward (1), the left end intercommunication of house steward (1) has two inlet tube (2), the outer wall right part intercommunication of house steward (1) has a plurality of transmission pipes, and the transmission pipe includes top tube (5), each the right-hand member intercommunication of top tube (5) has well pipe (6), the right part intercommunication of well pipe (6) has low tube (7), top tube (5), well pipe (6) and low tube (7) are the integration setting, and every adjacent two interval between the transmission pipe is the same, each the right-hand member of low tube (7) all communicates shower nozzle (11), the inner wall of shower nozzle (11) is oval, the inside of shower nozzle (11) is provided with water distribution column (9), and the outer wall of shower nozzle (11) has nut (10) through threaded connection, each the middle part of well pipe (6) is fixed a position through positioner.

2. The new anti-flaking water header for use in a finishing stand for a hot continuous rolling process for steel production according to claim 1, characterized in that: positioner includes registration arm (8), registration arm (8) are half circular tube shape, registration arm (8) are provided with a plurality ofly, registration arm (8) are located each respectively the upper portion and the lower part of well pipe (6), fixedly connected with connecting plate (13) between two adjacent registration arm (8) in upper portion, same fixedly connected with between two adjacent registration arm (8) in lower part connecting plate (13), connecting plate (13) of upside and the corresponding connecting plate (13) of downside are connected through set screw (14).

3. The new anti-flaking water header for use in a finishing stand for a hot continuous rolling process for steel production according to claim 2, characterized in that: the outer wall of the lower pipe (7) is provided with a hexagonal groove (12).

4. The new anti-flaking water header for use in a finishing stand for a hot continuous rolling process for steel production according to claim 3, characterized in that: the left end fixedly connected with first flange (3) of inlet tube (2), the left end of first flange (3) has second flange (4) through the screw connection, the outer wall of second flange (4) is provided with the opening.

5. The new anti-flaking water header for use in a finishing stand for a hot continuous rolling process in steel production according to claim 4, characterized in that: the distance between every two adjacent lower tubes (7) is more than 80 mm.

6. The new anti-flaking water header for use in a finishing stand for a hot continuous rolling process for steel production according to claim 5, characterized in that: the positioning pipe (8) is made of wear-resistant plastic.