CN111940520B - Online quick cooling device of hot rolling thick steel plate - Google Patents
Online quick cooling device of hot rolling thick steel plate Download PDFInfo
- Publication number
- CN111940520B CN111940520B CN202010550766.2A CN202010550766A CN111940520B CN 111940520 B CN111940520 B CN 111940520B CN 202010550766 A CN202010550766 A CN 202010550766A CN 111940520 B CN111940520 B CN 111940520B
- Authority
- CN
- China
- Prior art keywords
- water tank
- spraying group
- roller
- rack
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
Abstract
The invention discloses an online rapid cooling device for a hot-rolled thick steel plate, which relates to the technical field of steel rolling rapid cooling and comprises an upper spraying group, side spray heads and a lower spraying group, wherein the upper spraying group is arranged above a roller and is fixedly connected to the top of a frame at two ends crossing the width of the roller, the side spray heads are symmetrically arranged on the inner side wall surfaces of the frame at two sides of the roller, the lower spraying group is arranged below the roller and is hinged to the frame at two ends crossing the width of the roller, a plurality of spray nozzles are arranged on the lower surface of the upper spraying group, a plurality of lower spraying group water pipes vertical to the upper surface of the lower spraying group are arranged on the upper surface of the lower spraying group, and a channel communicated with the lower spraying group and the side spray heads is arranged in the side wall of the frame. The invention simplifies the structure, is convenient for installing each part of the equipment, effectively optimizes the cooling process, uniformly cools the steel plate and reduces the quality problem of the steel plate caused by nonuniform cooling.
Description
Technical Field
The invention relates to the technical field of steel rolling rapid cooling, in particular to an online rapid cooling device for a hot-rolled thick steel plate, which is used for online rapid cooling of a hot-rolled extra-thick plate with the thickness of more than 20 mm.
Background
The cooling technology of the rolled steel plate is an important component of the controlled rolling and controlled cooling technology, which not only influences the surface quality of the rolled steel plate, but also relates to the comprehensive mechanical property of the steel plate. By increasing the cooling rate after rolling, not only the bainite structure or the ferrite structure with high toughness and high strength, even the martensite structure, can be obtained, but also the growth of crystal grains can be inhibited. At present, the technology becomes a core technology in a controlled rolling and cooling process, and mainly because the technology can produce high-performance steel without adding trace alloy elements and does not need complicated subsequent heat treatment, the technology is always considered to be a resource-saving and environment-friendly process. Patent CN103736756A discloses an ultrafast cooling device after rolling of a medium plate, where the included angles between the jet flow direction of a forward and reverse upward header and the surface of the medium plate are both θ, the included angles between a forward and reverse jet flow lower header and the surface of the medium plate are both Φ, the jetting area formed on the upper surface of the steel plate between the adjacent forward and reverse jet flow upper headers is symmetrical to the jetting area formed on the lower surface of the steel plate between the adjacent forward and reverse jet flow lower headers, and L =2H/tan θ = L-2H/tan Φ is satisfied. L is the distance between the adjacent forward jet flow upper collecting pipes and the adjacent reverse jet flow upper collecting pipes, L is the distance between the adjacent forward jet flow lower collecting pipes and the adjacent reverse jet flow lower collecting pipes, H is the vertical distance between the water outlet of the upper collecting pipe and the upper surface of the medium plate, and H is the vertical distance between the water outlet of the lower collecting pipe and the lower surface of the medium plate. But in case steel sheet thickness changes, corresponding angle and distance also can change, and the installation is comparatively loaded down with trivial details on the one hand, and on the other hand when steel sheet thickness changes, great adjustment need be made to whole device.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a steel plate cooling device which has a simplified structure, is convenient for installing each part of equipment, effectively optimizes the cooling process, uniformly cools the steel plate and reduces the quality problem of the steel plate caused by nonuniform cooling.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention discloses an online rapid cooling device for a hot-rolled thick steel plate, which relates to the technical field of steel rolling rapid cooling and comprises an upper spraying group, side spray heads and a lower spraying group, wherein the upper spraying group is arranged above a roller and is fixedly connected to the top of a frame at two ends crossing the width of the roller, the side spray heads are symmetrically arranged on the inner side wall surfaces of the frame at two sides of the roller, the lower spraying group is arranged below the roller and is hinged to the frame at two ends crossing the width of the roller, a plurality of spray nozzles are arranged on the lower surface of the upper spraying group, a plurality of lower spraying group water pipes vertical to the upper surface of the lower spraying group are arranged on the upper surface of the lower spraying group, and a channel communicated with the lower spraying group and the side spray heads is arranged in the side wall of the frame.
The technical scheme of the invention is further improved as follows: roller ways which are fixedly connected to the inner side wall surface of the rack and provide hinged supporting points for the rollers are symmetrically arranged on two sides of each roller.
The technical scheme of the invention is further improved as follows: the sliding blocks fixedly connected to the upper side of the roller and fixedly connected to the inner side wall surface of the rack are symmetrically arranged on two sides of the roller, and two ends of the upper spraying group are fixed to the sliding blocks.
The technical scheme of the invention is further improved as follows: the side spray heads are arranged in a plurality of numbers, and are positioned above the horizontal position of the roller and below the horizontal position of the roller.
The technical scheme of the invention is further improved as follows: the upper spraying group comprises an upper water tank, a lower water tank and a nozzle, wherein two ends of the upper water tank are fixedly connected to the top of the rack, two ends of the lower water tank are arranged right below the upper water tank and fixedly connected to the top of the rack, the nozzle is fixedly connected to the lower surface of the lower water tank, and an upper water tank bottom hole is formed in the bottom of the lower water tank.
The technical scheme of the invention is further improved as follows: the nozzle comprises an inner pipe, a middle pipe, an outer pipe, a connecting plate I for fixedly connecting the inner pipe and the middle pipe, and a connecting plate II for fixedly connecting the middle pipe and the outer pipe, wherein the inner pipe, the middle pipe and the outer pipe are coaxially arranged, the outer pipe upwards extends through the thickness of the bottom of the sewer, the middle pipe upwards extends to the top of the sewer, and the inner pipe upwards extends and penetrates through a bottom hole of the sewer.
The technical scheme of the invention is further improved as follows: the upper water tank comprises an upper water tank cover arranged at the top of the upper water tank and upper water tank side holes arranged on the two side wall surfaces of the upper water tank and penetrating through the thickness of the two side wall surfaces of the upper water tank.
The technical scheme of the invention is further improved as follows: the lower spraying group is of a box body structure with a hollow interior, and hinged points at two ends of the lower spraying group are box body openings communicated with a channel in the side wall of the rack.
The technical scheme of the invention is further improved as follows: and windows penetrating the thickness of the wall surfaces are arranged on the two side wall surfaces of the frame above the rollers.
The technical scheme of the invention is further improved as follows: rectangular grooves penetrating the wall thickness are arranged on two side wall surfaces of the machine frame below the rollers.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the invention simplifies the structure, is convenient for installing each part of the equipment, effectively optimizes the cooling process, uniformly cools the steel plate and reduces the quality problem of the steel plate caused by nonuniform cooling.
The invention arranges a circle of cooling water injection devices around the rod and the steel plate to cool the upper and lower surfaces of the steel plate in all directions, thereby preventing uneven local cooling.
The roller way is laid on the inner side wall surface of the rack, steel plates with different thicknesses can be uniformly cooled by adjusting the height of the roller way, and the adaptability of the equipment is improved.
The sliding blocks fixedly connected to the inner side wall surface of the rack and fixedly connected to the upper portion of the roller are symmetrically arranged on two sides of the roller, the sliding blocks are used for supporting the movement of the spraying groups in the vertical direction, the positions of the spraying groups are convenient to adjust, the spraying distance of cooling water of the spraying groups is effectively controlled, and the uniform cooling process of different steel plates is adapted.
The side spray heads are located above the horizontal positions of the rollers and below the horizontal positions of the rollers, cooling of the side faces of the steel plate is facilitated, purging of residual cooling water on the upper surface of the steel plate is facilitated, recycling of the cooling water is facilitated, the flowing direction of the cooling water of the lower spray group water pipe is controlled, and the cooling effect is further controlled.
Set up both sides basin, the bottom in upper water tank is provided with the hole for the cooling water in upper water tank flows to the basin of lower floor in, the flow and the velocity of flow of the control cooling water of being convenient for, prevent that the too big vibration that causes the steel sheet of impact of cooling water to the steel sheet, improved the stability of cooling process, be convenient for install corresponding mouth of a river device on the cooling bath of lower floor, so that the velocity of flow, flow direction and the flow of control cooling water.
The inner tube in the middle of the nozzle can be independently connected with a water source, so that an air film on the upper surface of the steel plate in the cooling process can be conveniently broken, cooling water is fully contacted with the steel plate, the cooling efficiency is improved, the steel plate is fully cooled, and the deformation of the steel plate is prevented. The three layers of cooling water holes are arranged to provide three water flow speeds, so that cooling water flows with different flow speeds in different time periods can be conveniently provided, the cooling water with high flow speed and high temperature rise is firstly blown to the steel plate away by matching with the side spray heads, and the cooling water with low flow speed and low temperature rise is then blown away from the steel plate, so that the retention time of the cooling water with low flow speed on the steel plate is prolonged, the cooling area of the cooling water with low flow speed is enlarged, the cooling efficiency is improved, and the non-uniformity of cooling is reduced. This nozzle device and circulating water equipment cooperate, optimize the cooling effect.
Spout down and organize for inside hollow box structure, spout the box opening that the pin joint at the both ends of group is linked together for the passageway in the lateral wall with the frame down, is convenient for adjust the direction of spouting the water spray of group down, has improved the cooling efficiency of steel sheet bottom surface
And a window is formed in the upper side of the side face of the rack and used for observing the cooling condition of the steel plate, so that the cooling process is conveniently controlled. The side downside of frame is opened has a plurality of rectangular channels, subtracts heavy on the one hand, and on the other hand notch is higher than the roll table, and the convenient residual cooling water that is swept down passes through the notch and flows out, is favorable to cooling water's cyclic utilization, has improved cooling efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the upper spraying group of the present invention;
FIG. 3 is a schematic view of the frame structure of the present invention;
FIG. 4 is a schematic view of the structure of the lower spraying group of the present invention;
FIG. 5 is a schematic view of the bottom structure of the downcomer of the present invention;
FIG. 6 is a schematic view of a nozzle arrangement according to the present invention;
the device comprises an upper spraying group, 1-1 upper water tank cover, 1-2 inner pipes, 1-3 upper water tanks, 1-3a upper water tank side holes, 1-3b upper water tank bottom holes, 1-4 lower water tanks, 1-5 nozzles, 1-5b nozzle middle holes, 1-5c nozzle outer holes, 1-5d middle pipes, 1-5e outer pipes, 2, a rack, 2-1 sliding blocks, 2-2 supporting frames, 2-2a windows, 2-2b rectangular grooves, 2-3 side spraying heads, 2-4 rollers, 2-5 roller ways, 3 lower spraying groups, 3-1 lower spraying group spraying heads, 3-2 lower spraying group water pipes, 3-3 lower spraying water pillows, 4 steel plates and a water supply device, wherein the upper spraying group comprises 1 parts of upper spraying groups, 1-1 parts of upper water tank covers, 1-2 parts of upper water tanks, 1-3 parts of lower water tanks, 1-5 parts of nozzles, 1-5 parts of lower spraying groups, sliding blocks, 2-2 parts of lower spraying group water pipes, 3-3 parts of lower spraying pillows and 4 steel plates.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 to 6, an on-line rapid cooling device for a hot-rolled thick steel plate comprises an upper spray group 1, side spray heads 2-3 and a lower spray group 3. The primary hot rolling device comprises a frame 2, rollers 2-4 and a steel plate 4 arranged on the rollers 2-4, wherein the vertical supporting walls on the two sides of the frame 2 are supporting frames 2-2.
The upper spraying group 1 is arranged above the rollers 2-4, the upper spraying group 1 spans the width of the rollers 2-4, two ends of the upper spraying group 1 are fixedly connected to the tops of the supporting frames 2-2, and the lower surface of the upper spraying group 1 is provided with a plurality of nozzles 1-5.
The side spray heads 2-3 are symmetrically arranged on the inner side wall surfaces of the support frames 2-2 at the two sides of the rollers 2-4. The side spray heads 2-3 are arranged in a plurality, and the side spray heads 2-3 are positioned above the horizontal position of the rollers 2-4 and below the horizontal position of the rollers 2-4. The nozzles of the side nozzles 2-3 are spherical nozzles with changeable directions, the direction of spraying water can be changed by rotating the direction of the nozzles, the angle of spraying the cooling water is easily changed, and the cooling effect is optimized.
The lower spraying group 3 is arranged below the rollers 2-4, the lower spraying group 3 stretches across the width of the rollers 2-4, two ends of the lower spraying group 3 are hinged to the supporting frame 2-2, the upper surface of the lower spraying group 3 is provided with a plurality of lower spraying group water pipes 3-2, the lower spraying group water pipes 3-2 are perpendicular to the upper surface of the lower spraying group 3, and the tail ends of the lower spraying group water pipes 3-2 are provided with lower spraying group spray heads 3-1 to control the caliber of water spraying.
A channel communicated with the lower spray group 3 and the side spray head 2-3 is arranged in the side wall of the support frame 2-2 to supply water for the lower spray group 3 and the side spray head 2-3. The support frame 2-2 is provided with a plurality of through holes which correspond to the positions of the side spray heads 2-3 and the lower spray group 3 and are used for providing cooling water for the side spray heads 2-3, the lower spray group 3 and the like. Roller ways 2-5 are symmetrically arranged on two sides of the rollers 2-4, the roller ways 2-5 are fixedly connected to the inner side wall surface of the support frame 2-2, and the roller ways 2-5 provide hinged support points for the rollers 2-4. The cross section of the roller way 2-5 is L-shaped, and the connecting and supporting part of the roller 2-4 is positioned on the bottom thickness of the L-shaped stepped roller way 2-5. The two sides of the roller 2-4 are symmetrically provided with sliding blocks 2-1, the sliding blocks 2-1 are fixedly connected to the inner side wall surface of the supporting frame 2-2, the sliding blocks 2-1 are fixedly connected above the roller 2-4, and the two ends of the upper spraying group 1 are fixed on the sliding blocks 2-1. The two side wall surfaces of the support frame 2-2 above the roller 2-4 are provided with windows 2-2a, and the windows 2-2a penetrate through the wall surface thickness. Rectangular grooves 2-2b are arranged on two side wall surfaces of the support frame 2-2 below the rollers 2-4, and the rectangular grooves 2-2b penetrate through the wall surface thickness.
The upper spraying group 1 comprises an upper water tank 1-3, a lower water tank 1-4 and a nozzle 1-5. Two ends of an upper water tank 1-3 are fixedly connected to the top of a support frame 2-2, a lower water tank 1-4 is arranged under the upper water tank 1-3, two ends of a lower water tank 1-4 are fixedly connected to the top of the support frame 2-2, the bottom of the lower water tank 1-4 is provided with an upper water tank bottom hole 1-3b, the lower side of the lower water tank 1-4 is provided with a plurality of through holes, the lower water tank 1-4 is communicated with a corresponding special water source, and a nozzle 1-5 is fixedly connected to the lower surface of the lower water tank 1-4.
The upper water tank 1-3 also comprises an upper water tank cover 1-1 and an upper water tank side hole 1-3a, and the upper water tank cover 1-1 is arranged at the top of the upper water tank 1-3. The side holes 1-3a of the upper water tank are arranged on the two side wall surfaces of the upper water tank 1-3, and the side holes 1-3a of the upper water tank penetrate through the thickness of the two side wall surfaces of the upper water tank 1-3. The upper water tank 1-3 is communicated with a water source and is communicated with the side hole 1-3a of the upper water tank.
The nozzle 1-5 comprises an inner pipe 1-2, a middle pipe 1-5d, an outer pipe 1-5e, a connecting plate I and a connecting plate II, wherein the inner pipe 1-2, the middle pipe 1-5d, the outer pipe 1-5e, the connecting plate I and the connecting plate II are coaxially arranged, the connecting plate I is fixedly connected with the inner pipe 1-2 and the middle pipe 1-5d, and the connecting plate II is fixedly connected with the middle pipe 1-5d and the outer pipe 1-5 e. The outer pipe 1-5e extends upwards, the outer pipe 1-5e penetrates through the thickness of the bottom of the water tank 1-4, the middle pipe 1-5d extends upwards to the position above the top of the water tank 1-4, the inner pipe 1-2 extends upwards, and the inner pipe 1-2 penetrates through a bottom hole 1-3b of the water tank. The nozzle 1-5 is divided into three flow velocity holes, the gap between the inner tube 1-2 and the middle tube 1-5d is the nozzle middle hole 1-5b, and the gap between the middle tube 1-5d and the outer tube 1-5e is the nozzle outer hole 1-5 c. The flow rate of the inner tube 1-2 in the middle is high, the flow rate of the middle hole 1-5b of the nozzle on the outer side is low, and the flow rate of the outer hole 1-5c of the nozzle on the outermost side is low but the water quantity is high; the water supply mode adopts graded water supply, the inner hole 1-5a of the nozzle with high middle flow rate is directly communicated with the inner pipe 1-2, the inner pipe 1-2 penetrates through the upper water tank 1-3 and the lower water tank 1-4, water is supplied to the inner pipe 1-2 through an external high-pressure water pipe, water in the upper water tank 1-3 is introduced into the middle hole 1-5b of the nozzle with low flow rate, and cooling water in the lower water tank 1-4 is introduced into the outer hole 1-5c of the nozzle with low outermost side flow rate. The cooling water flowing into the upper water tank 1-3 in the upper spraying group 1 is provided by a water supply pipe penetrating through the side hole 1-3a of the upper water tank on the side surface; for the pressure of supplied water, the water pressure connected into the inner pipe 1-2 is the maximum, the water pressure introduced into the upper water tank 1-3 is the second, the redundant cooling water flows into the lower water tank 1-4 from the upper water tank 1-3, and the cooling water is provided for the outer hole 1-5c of the nozzle through natural gravity
The lower spraying group 3 is of a box body structure with a hollow inner part, and hinged points at two ends of the lower spraying group 3 are box body openings communicated with a channel in the side wall of the support frame 2-2. The joint of the lower spraying group water pipe 3-2 and the lower spraying pillow 3-3 is hinged, a spherical clamping point with holes is arranged at the position where the lower spraying group water pipe 3-2 and the lower spraying pillow 3-3 are fixedly connected, and the clamping point is arranged in the box body of the lower spraying pillow 3-3, so that the swinging angle of the lower spraying group water pipe 3-2 can be changed, and different cooling requirements can be met.
The number of the nozzles, the shower head, the upper and lower water spray groups, etc. in the present invention is not fixed as shown in the drawing, but is only for showing the structural configuration, and the number may be adjusted according to the actual situation.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, 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 for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the invention are explained by applying a specific example in the invention, and the description of the above embodiment is used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. The utility model provides an online quick cooling device of hot rolling thick steel plate which characterized in that: the spraying device comprises an upper spraying group (1) which is arranged above a roller (2-4) and spans the width of the roller (2-4) and has two ends fixedly connected to the top of a rack (2), side spray heads (2-3) which are symmetrically arranged on the inner side wall surface of the rack (2) at two sides of the roller (2-4), and a lower spraying group (3) which is arranged below the roller (2-4) and spans the width of the roller (2-4) and has two ends hinged to the rack (2), wherein the lower surface of the upper spraying group (1) is provided with a plurality of nozzles (1-5), the upper surface of the lower spraying group (3) is provided with a plurality of lower spraying group water pipes (3-2) vertical to the upper surface of the lower spraying group (3), and the side wall of the rack (2) is provided with a channel communicated with the lower spraying group (3) and the side spray heads (2-3); sliding blocks (2-1) which are fixedly connected to the inner side wall surface of the rack (2) and fixedly connected above the rollers (2-4) are symmetrically arranged on two sides of the rollers (2-4), and two ends of the upper spraying group (1) are fixed on the sliding blocks (2-1);
the side spray heads (2-3) are arranged in a plurality, and the side spray heads (2-3) are positioned above the horizontal position of the rollers (2-4) and below the horizontal position of the rollers (2-4);
the upper spraying group (1) comprises an upper water tank (1-3) with two ends fixedly connected to the top of the rack (2), a lower water tank (1-4) arranged right below the upper water tank (1-3) and with two ends fixedly connected to the top of the rack (2), and a nozzle (1-5) fixedly connected to the lower surface of the lower water tank (1-4), wherein the bottom of the lower water tank (1-4) is provided with an upper water tank bottom hole (1-3 b);
the nozzle (1-5) comprises an inner pipe (1-2), a middle pipe (1-5 d), an outer pipe (1-5 e), a connecting plate I and a connecting plate II, wherein the inner pipe (1-2) and the middle pipe (1-5 d) are coaxially arranged, the connecting plate I is fixedly connected with the inner pipe (1-2) and the middle pipe (1-5 d), and the connecting plate II is fixedly connected with the middle pipe (1-5 d) and the outer pipe (1-5 e), the outer pipe (1-5 e) extends upwards through the thickness of the bottom of the lower water tank (1-4), the middle pipe (1-5 d) extends upwards to the position above the top of the lower water tank (1-4), and the inner pipe (1-2) extends upwards and penetrates through a bottom hole (1-3 b) of the water tank;
windows (2-2 a) penetrating through the wall thickness are arranged on two side wall surfaces of the rack (2) above the rollers (2-4); rectangular grooves (2-2 b) penetrating the wall thickness are formed in the two side wall surfaces of the rack (2) below the rollers (2-4).
2. The on-line rapid cooling apparatus for a hot-rolled thick steel plate according to claim 1, wherein: roller ways (2-5) which are fixedly connected to the inner side wall surface of the rack (2) and provide hinged supporting points for the rollers (2-4) are symmetrically arranged on two sides of the rollers (2-4).
3. The on-line rapid cooling device for a hot-rolled thick steel plate according to claim 1, wherein: the upper water tank (1-3) comprises an upper water tank cover (1-1) arranged at the top of the upper water tank (1-3) and upper water tank side holes (1-3 a) which are arranged on the two side wall surfaces of the upper water tank (1-3) and penetrate through the thickness of the two side wall surfaces of the upper water tank (1-3).
4. The on-line rapid cooling device for a hot-rolled thick steel plate according to claim 1, wherein: the lower spraying group (3) is of a box body structure with a hollow interior, and hinged points at two ends of the lower spraying group (3) are box body openings communicated with a channel in the side wall of the rack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550766.2A CN111940520B (en) | 2020-06-16 | 2020-06-16 | Online quick cooling device of hot rolling thick steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550766.2A CN111940520B (en) | 2020-06-16 | 2020-06-16 | Online quick cooling device of hot rolling thick steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111940520A CN111940520A (en) | 2020-11-17 |
| CN111940520B true CN111940520B (en) | 2022-05-10 |
Family
ID=73337765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010550766.2A Active CN111940520B (en) | 2020-06-16 | 2020-06-16 | Online quick cooling device of hot rolling thick steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111940520B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857063B (en) * | 2021-01-15 | 2022-04-22 | 江苏骏茂新材料科技有限公司 | Overhead water cooling plant for steel sheet production conveyer belt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040024022A (en) * | 2002-09-12 | 2004-03-20 | 주식회사 포스코 | variable descalng apparatus |
| CN201346566Y (en) * | 2008-12-29 | 2009-11-18 | 中冶南方工程技术有限公司 | Medium plate control cooling side spraying system |
| CN102019390A (en) * | 2010-12-31 | 2011-04-20 | 山东泰山钢铁集团有限公司 | Online austenitic stainless steel continuous casting plate blank water-spraying cooling method and special device thereof |
| CN105363799A (en) * | 2015-10-21 | 2016-03-02 | 钢铁研究总院 | Non-even-temperature rolling and cooling control process for steel material with homogenized structure and performance |
| CN208662158U (en) * | 2018-09-13 | 2019-03-29 | 重庆水泵厂有限责任公司 | A kind of lift scale removal equipment |
-
2020
- 2020-06-16 CN CN202010550766.2A patent/CN111940520B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040024022A (en) * | 2002-09-12 | 2004-03-20 | 주식회사 포스코 | variable descalng apparatus |
| CN201346566Y (en) * | 2008-12-29 | 2009-11-18 | 中冶南方工程技术有限公司 | Medium plate control cooling side spraying system |
| CN102019390A (en) * | 2010-12-31 | 2011-04-20 | 山东泰山钢铁集团有限公司 | Online austenitic stainless steel continuous casting plate blank water-spraying cooling method and special device thereof |
| CN105363799A (en) * | 2015-10-21 | 2016-03-02 | 钢铁研究总院 | Non-even-temperature rolling and cooling control process for steel material with homogenized structure and performance |
| CN208662158U (en) * | 2018-09-13 | 2019-03-29 | 重庆水泵厂有限责任公司 | A kind of lift scale removal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111940520A (en) | 2020-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101890437B (en) | After-rolling cooling system for hot rolled steel strip production line | |
| CN202762752U (en) | Spray cooling device used for steel plate or strip steel | |
| CA1079066A (en) | Apparatus for cooling metal sections | |
| CN101879531A (en) | Hot rolled strip laminar cooling device capable of controlling cooled strip shape | |
| CN108405818B (en) | Device and process for improving corner structure plasticity of microalloyed steel sheet billet | |
| CN111940520B (en) | Online quick cooling device of hot rolling thick steel plate | |
| CN103397285A (en) | Aluminum profile quenching device | |
| CN101518788A (en) | Cooling device used for hot-rolled strip production line | |
| CN103635267A (en) | Cooling device, hot-rolled steel sheet manufacturing apparatus, and hot-rolled steel sheet manufacturing method | |
| JP5130970B2 (en) | Steel cooling device and cooling method | |
| JP2008100255A (en) | Equipment and method for cooling steel sheet | |
| CN111014604A (en) | Continuous casting machine | |
| JP4709666B2 (en) | Loose coil in-line heat treatment equipment and in-line heat treatment method | |
| CN201744506U (en) | Controllable hot-rolled strip steel laminar cooling device shaped like cooling panel | |
| CN111014597B (en) | Cooling method and cooling device for high-pulling-speed continuous casting machine | |
| JP2000001719A (en) | Device for cooling high temperature steel plate | |
| JP2012051013A (en) | Draining device and draining method for hot steel plate | |
| CN201394585Y (en) | Cooling equipment for hot-rolled strip steel production line | |
| JP2005342767A (en) | Equipment for manufacturing hot-rolled steel sheet and method for manufacturing hot-rolled steel sheet | |
| US4052234A (en) | Method for continuously quenching electrolytic tin-plated steel strip | |
| US4534198A (en) | Cooling hot-rolled steel strip | |
| JP3277985B2 (en) | High temperature steel plate cooling system | |
| JP5332772B2 (en) | Steel cooling device and cooling method | |
| CN114438301B (en) | Arc-shaped cutting board multi-row continuous quenching device | |
| KR100946039B1 (en) | Wire Rod Guiding Apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |