CN113210147B - Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same - Google Patents
Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same Download PDFInfo
- Publication number
- CN113210147B CN113210147B CN202110557885.5A CN202110557885A CN113210147B CN 113210147 B CN113210147 B CN 113210147B CN 202110557885 A CN202110557885 A CN 202110557885A CN 113210147 B CN113210147 B CN 113210147B
- Authority
- CN
- China
- Prior art keywords
- cooler
- strip steel
- zinc
- aluminum
- cooling
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/044—Slits, i.e. narrow openings defined by two straight and parallel lips; Elongated outlets for producing very wide discharges, e.g. fluid curtains
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention relates to a nozzle structure and a special sectional cooler for zinc-aluminum-magnesium with the same, belonging to the field of strip steel cooling; more than one group of nozzles are symmetrically arranged on both sides of the strip steel along the strip steel direction, and the nozzles are provided with spray seams pointing to the surface of the strip steel; the air exhaust holes are arranged in the interval area of the adjacent groups of nozzles on each side of the strip steel. The sectional cooler specially for Zn-Al-Mg steel includes several sections of coolers in the strip steel direction and controlled independently and nozzle structure mounted on the coolers. The unique nozzle structure increases the blowing density and the cooling strength on the premise of ensuring the surface quality of the strip steel; the cooler is designed in a sectional mode and is independently controlled, so that the requirements of different cooling stages of the strip steel coating and the requirements of different strip steel thicknesses are met; the lifting mechanism can be lifted to form the core quickly and can be moved to maintain and operate; effectively preventing harmful phases from being generated; integrates multiple effects of nucleation, flower emergence, oxidation resistance and harmful phase prevention.
Description
Technical Field
The invention belongs to the field of strip steel cooling, and relates to a nozzle structure and a special sectional type cooler for zinc-aluminum-magnesium with the same.
Background
The traditional single-stage cooler can not meet the requirements of controlling the quality of the small spangles plated with aluminum and zinc and the zinc-aluminum-magnesium plating layer of strip steel. The core problem is that the nucleation and the flower emergence of the aluminum-zinc plating and the zinc-aluminum-magnesium plating can not be perfectly combined; meanwhile, the problem of reaction between magnesium and silicon in the zinc-aluminum-magnesium coating cannot be solved. Therefore, the traditional single-stage cooler can not meet the requirement of zinc and aluminum magnesium production no matter in cooling strength or control mode, and the development of a novel cooler is urgently needed to meet the production requirement of zinc and aluminum magnesium.
Traditional single-stage formula cooler adopts the mode of high-speed jetting to increase cooling strength usually, causes destruction to belted steel surface quality easily, influences product quality.
Disclosure of Invention
In view of the above, an objective of the present invention is to provide a nozzle structure to solve the problem of air supply uniformity.
The other purpose of the invention is to provide a special sectional type cooler for zinc-aluminum-magnesium with the nozzle structure, which achieves the purposes of nucleation, flower formation, oxidation resistance and harmful phase generation prevention into a whole in multiple effects in the zinc-aluminum-magnesium coating process, and solves the defects of the traditional single-section type cooler.
In order to achieve the purpose, the invention provides the following technical scheme:
a nozzle structure comprises a nozzle and an exhaust hole; more than one group of nozzles are symmetrically arranged on both sides of the strip steel along the strip steel, and the nozzles are provided with spray seams pointing to the surface of the strip steel; the air exhaust holes are arranged in the interval area of the adjacent groups of nozzles on each side of the strip steel.
Furthermore, the spray seam is matched with the width of the strip steel, or margins are respectively reserved on two sides of the width of the strip steel.
Furthermore, the spraying seam faces the surface of the strip steel so as to vertically spray towards the surface of the strip steel.
Furthermore, the spraying seam is in a duckbill shape with a parallel closing-in.
A special sectional cooler for zinc-aluminum-magnesium comprises a multi-section cooler which is arranged along the strip steel in a sectional manner and is independently controlled, and the nozzle structure; each section of cooler comprises spray boxes symmetrically arranged on two sides of the strip steel, the nozzle structures are arranged on the spray boxes, and spray seams of the nozzles spray cooling media to the surface of the strip steel.
Furthermore, the multi-section cooler is provided with two sections which are arranged up and down, and the strip steel moves from bottom to top vertically.
Further, the cooling medium is cooling air.
Further, the multistage cooler is mounted on the mobile trolley and runs by the mobile trolley.
Furthermore, a lifting device is further installed on the movable trolley, and the multi-section cooler is controlled to lift in a segmented or integral mode through the lifting device.
Furthermore, a plate thermometer for detecting the surface temperature of the strip steel is arranged at the subsection position of the multi-section cooler, and the temperature is controlled by regulating the speed of a fan of the cooler.
Furthermore, the auxiliary cooling device is arranged at the rear end of the cooling stroke of the multi-section cooling device along the strip steel trend and is independently controlled so as to meet the requirement of the ultra-thick strip steel on the flower emergence.
Further, the auxiliary cooler is cooled by using aerial fog.
The invention has the beneficial effects that:
(1) According to the nozzle structure disclosed by the invention, the spray seams are arranged on the nozzles, and the spray density of a single nozzle is increased to increase the cooling strength by utilizing the characteristics of the slender structure of the spray seams, so that the rapid nucleation and solidification are facilitated, instead of increasing the cooling strength only by a high-speed spray mode, the surface quality of strip steel is prevented from being damaged, and meanwhile, the reaction equivalent of magnesium and silicon is reduced.
(2) The nozzle structure disclosed by the invention sends the return air out through the air exhaust hole, and the return air, the blowing density and the return air uniformity are ingeniously combined by matching with the nozzle, so that the problem of air supply uniformity is solved.
(3) The cooler disclosed by the invention is designed in a sectional mode and is independently controlled, each section of cooler can be respectively matched with the requirements of nucleation solidification and blooming stages, the cooling speed can be flexibly adjusted, and the cooling speed requirements of different cooling stages of a zinc-aluminum-magnesium coating are met; the method can also meet the process requirements of different strip steel thicknesses, and the application range is expanded.
(4) The cooler disclosed by the invention can be lifted up and down in sections or integrally by the lifting device, can be close to a zinc-aluminum-magnesium coating device such as a zinc pot and an air knife to the maximum extent, and is favorable for increasing the cooling strength and rapidly nucleating and solidifying.
(5) The cooler disclosed by the invention can effectively prevent the formation of Mg in the flowering stage 2 Zn 11 And harmful phases are waited, so that the product quality is guaranteed.
(6) The cooler disclosed by the invention can run by the mobile trolley, each section of the cooler is translated to the corresponding position of the zinc-aluminum-magnesium coating device in a working state, and when the zinc-aluminum-magnesium coating device needs to be overhauled and maintained, the cooler can be moved away, so that the operation is convenient.
(7) The cooler disclosed by the invention can realize three-stage cooling aiming at the pattern forming stage of the ultra-thick strip steel by additionally arranging the auxiliary cooler, and completely meets the production process requirement of producing the zinc-aluminum-magnesium by the ultra-thick plate.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
For a better understanding of the objects, aspects and advantages of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a sectional cooler specially used for Zn-Al-Mg;
FIG. 2 is a schematic structural view of a nozzle structure according to the present invention.
Reference numerals: the device comprises a strip steel 1, a first section cooler 2, a plate temperature meter 3, a second section cooler 4, an auxiliary cooler 5, a lifting device 6, a mobile trolley 7, a plant stand column 8, a nozzle 9, a spray seam 901, a spray box 10, an exhaust hole 11 and a plant rail beam 12.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and embodiments may be combined with each other without conflict.
Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the invention, shown in the drawings are schematic representations and not in the form of actual drawings; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and the specific meaning of the terms described above will be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, a sectional cooler specially used for zn-al-mg, which includes a first section cooler 2 and a second section cooler 4, which are arranged along the strip steel 1 in a sectional manner and are independently controlled, and a nozzle structure as shown in fig. 2. In this embodiment, the strip steel 1 is vertically oriented from bottom to top.
The first section cooler 2 and the second section cooler 4 are installed on a movable trolley 7, the movable trolley 7 runs along a plant rail beam 12 and provides support through a plant upright post 8, and the movable trolley 7 drives the first section cooler 2 and the second section cooler 4 to run. The movable trolley 7 is also provided with a lifting device 6, and the lifting device 6 controls the first section cooler 2 and the second section cooler 4 to lift in a segmented or integral mode. The lifting device 6 can be implemented by using an existing structure having a lifting function, such as a lifter or the like.
Each section of cooler comprises spray boxes 10 symmetrically arranged on two sides of the strip steel 1, the nozzle structures are arranged on the spray boxes 10, particularly, a plurality of groups of nozzles 9 are symmetrically arranged on the spray boxes 10 of each section of cooler on two sides of the strip steel 1 along the strip steel 1, the group number of the nozzles 9 is flexibly selected, the main body part of each nozzle 9 is rectangular, a duckbill-shaped spray seam 901 with a parallel closing-in shape extends towards one end of the strip steel 1, and the spray seam 901 is right opposite to the surface of the strip steel 1 so as to vertically spray cooling air to the surface of the strip steel 1. The injection gaps 901 are reserved with 150mm of allowance on two sides of the width of the strip steel respectively, so that sufficient injection density is ensured. The spray boxes 10 corresponding to the interval areas of the upper and lower adjacent nozzles 9 on each side of the strip steel 1 are provided with air exhaust holes 11. Cooling air enters the nozzle 9 through the spray box 10, and impacts the surface of the strip steel 1 through the duckbill-shaped spray seam 901 which is closed in parallel to form return air, the return air returns in parallel along the outer side of the nozzle 9 and is discharged through the exhaust hole 11 on the spray box 10, the return air, the spraying density and the return air uniformity are ingeniously combined, and the air cooling uniformity is kept to the maximum extent. The nozzle structure increases the cooling strength by increasing the blowing density of the single nozzle 9 to rapidly nucleate and solidify, rather than increasing the cooling strength only by high-speed blowing, thereby preventing the surface quality of the strip steel 1 from being damaged while reducing the reaction equivalent of magnesium and silicon.
The segmented positions of the first section cooler 2 and the second section cooler 4 are provided with plate thermometers 3 for detecting the surface temperature of the strip steel 1, and the temperature is controlled by the fan speed regulation of the coolers.
As the improvement of this embodiment, add auxiliary cooler 5 to the state that can't completely realize in thick plate zinc-aluminum magnesium flower stage, auxiliary cooler 5 installs on mobile trolley 7, locates second section cooler 4 top and independent control along belted steel 1 trend, and its quantity can be selected according to actual thick plate needs in a flexible way, and its cooling method can select aerial fog cooling to improve cooling speed.
The working principle of the cooler is as follows: after a zinc-aluminum-magnesium coating device below the first-stage cooler 2 coats zinc-aluminum-magnesium on the surface of the strip steel 1, the strip steel 1 running at a high speed enters the first-stage cooler 2 under the condition that the zinc-aluminum-magnesium plating solution on the surface of the strip steel is completely in a liquid state, and the solidification process is finished in the first-stage cooler 2; whether the stage is finished or not is marked by detecting the surface temperature of the strip steel 1 according to the plate temperature meter 3 and controlling the cooling speed of the first section cooler 2 by regulating the speed of the fan;
the strip steel 1 continues to go upward and passes through the second section cooler 4 to finish the surface flowering process, and if the cooling cannot be finished due to the thickness of the plate, the strip steel continues to go upward and passes through the auxiliary cooler 5 to finish the cooling.
For rapid nucleation and solidification, the first stage cooler 2 can be lowered down as far as possible by the lifting device 6, and is close to the zinc-aluminum-magnesium coating device to the maximum extent. At the flower outlet stageSegment capable of effectively preventing formation of Mg 2 Zn 11 And the product quality is guaranteed by the harmful phases.
When the zinc-aluminum-magnesium coating device needs to be overhauled and maintained, the cooler can be moved away through the movable trolley 7, and the operation is convenient.
The cooler is designed in a sectional mode and is independently controlled, the first section cooler 2 and the second section cooler 4 can be respectively matched with the requirements of nucleation solidification and blooming stages, the cooling speed can be flexibly adjusted, and the cooling speed requirements of different cooling stages of the zinc-aluminum-magnesium coating are met; the method can also meet the process requirements of different thicknesses of the strip steel 1, and the application range is expanded.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a special sectional type cooler of zinc almag which characterized in that: the multi-section cooler comprises a first section cooler and a second section cooler which are arranged along the strip steel direction, each section of cooler comprises spray boxes symmetrically arranged on two sides of the strip steel, and one side of each spray box, which faces the strip steel, is provided with a nozzle structure; the nozzle structure comprises more than one group of nozzles, each nozzle is provided with a strip-shaped spraying cavity, a spraying seam pointing to the surface of the strip steel is arranged on each nozzle along the extension direction of the spraying cavity so as to spray cooling media to the surface of the strip steel, and the spraying seams are in a duckbill shape with parallel closing-in; the spray seam is matched with the width of the strip steel, or the two sides of the width of the strip steel are respectively provided with allowance; the spray box corresponding to the interval area of the adjacent nozzles on each side of the strip steel is provided with a strip-shaped air exhaust hole which is parallel to the nozzles; the multi-section cooler is arranged on the mobile trolley and runs through the mobile trolley; the movable trolley is provided with a lifting device, and the first section cooler can be close to or far away from the zinc-aluminum-magnesium coating device through the lifting device.
2. The sectional cooler special for zinc-aluminum-magnesium according to claim 1, wherein: the cooling medium is cooling air.
3. The sectional cooler special for zinc-aluminum-magnesium according to claim 1, wherein: and the segmented positions of the multi-segment cooler are provided with plate thermometers for detecting the surface temperature of the strip steel, and the temperature is controlled by regulating the speed of a fan of the cooler.
4. The sectional cooler special for zinc-aluminum-magnesium according to claim 1, wherein: the auxiliary cooler is arranged at the rear end of the cooling stroke of the multi-section cooler along the strip steel trend and is independently controlled.
5. The sectional cooler special for zinc-aluminum-magnesium according to claim 4, wherein: the auxiliary cooler adopts aerosol cooling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557885.5A CN113210147B (en) | 2021-05-21 | 2021-05-21 | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same |
| PCT/CN2021/115043 WO2022241969A1 (en) | 2021-05-21 | 2021-08-27 | Nozzle structure and zinc-aluminum-magnesium special sectional cooler comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557885.5A CN113210147B (en) | 2021-05-21 | 2021-05-21 | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113210147A CN113210147A (en) | 2021-08-06 |
| CN113210147B true CN113210147B (en) | 2022-11-08 |
Family
ID=77093747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110557885.5A Active CN113210147B (en) | 2021-05-21 | 2021-05-21 | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113210147B (en) |
| WO (1) | WO2022241969A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210147B (en) * | 2021-05-21 | 2022-11-08 | 重庆赛迪热工环保工程技术有限公司 | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856029B2 (en) * | 1979-12-11 | 1983-12-13 | 新日本製鐵株式会社 | strip cooling system |
| JP3514130B2 (en) * | 1998-08-27 | 2004-03-31 | Ｊｆｅスチール株式会社 | Vertical cooling device and cooling method for steel strip |
| BR122018004345B1 (en) * | 2006-10-13 | 2018-11-27 | Nippon Steel & Sumitomo Metal Corporation | Annealed steel sheet production facility and production process after hot dip galvanization |
| CN201172683Y (en) * | 2008-04-17 | 2008-12-31 | 宝山钢铁股份有限公司 | Strip steel cooling device in quick-cooling stage after dip coating by dip coating machine set |
| CN202007267U (en) * | 2011-01-13 | 2011-10-12 | 宝山钢铁股份有限公司 | Galvanized steel strip spray cooling device |
| JP5972132B2 (en) * | 2012-09-26 | 2016-08-17 | 新日鐵住金株式会社 | nozzle |
| CN104099552A (en) * | 2013-04-08 | 2014-10-15 | 宝钢工业炉工程技术有限公司 | Production device for minimized spangle on surface of cold-rolled steel sheet |
| CN104674150B (en) * | 2015-02-27 | 2017-06-13 | 中冶南方(武汉)威仕工业炉有限公司 | Equipment for cooling hot-dip galvanized strip steel after plating and control method thereof |
| JP6477919B2 (en) * | 2016-08-22 | 2019-03-06 | Ｊｆｅスチール株式会社 | Method for cooling high-temperature metal and method for producing hot-dip galvanized steel strip |
| CN108148999B (en) * | 2016-12-02 | 2020-03-27 | 宝山钢铁股份有限公司 | Preheating system and preheating method suitable for continuous annealing and hot galvanizing |
| CN110846605B (en) * | 2018-08-21 | 2022-04-12 | 上海梅山钢铁股份有限公司 | Strip steel cooling device |
| CN211620603U (en) * | 2019-12-29 | 2020-10-02 | 天津市新宇彩板有限公司 | Cooling device after cold plate plating |
| CN112609139B (en) * | 2020-12-11 | 2021-09-24 | 东北大学 | Centrifugal spray equipment and control system for producing small spangles of hot-dip galvanized strip |
| CN113210147B (en) * | 2021-05-21 | 2022-11-08 | 重庆赛迪热工环保工程技术有限公司 | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same |
-
2021
- 2021-05-21 CN CN202110557885.5A patent/CN113210147B/en active Active
- 2021-08-27 WO PCT/CN2021/115043 patent/WO2022241969A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN113210147A (en) | 2021-08-06 |
| WO2022241969A1 (en) | 2022-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11524332B2 (en) | Array-spraying additive manufacturing apparatus and method for manufacturing large-sized equiaxed crystal aluminum alloy ingot | |
| CN113210147B (en) | Nozzle structure and special sectional cooler for zinc-aluminum-magnesium with same | |
| CN101522936A (en) | Apparatus and process for producing steel sheet plated by hot dipping with alloyed zinc | |
| CN101914742A (en) | Continuous hot-dip galvanized thin coating production process for strip steel | |
| CN101642804A (en) | Method for realizing continuous casting plate bank uniform secondary cooling | |
| CN110202152A (en) | Interrupted injection formula alloy pig increasing material manufacturing device and method | |
| JP4319254B2 (en) | Equipment for cooling extrusion profiles | |
| CN107262690B (en) | A kind of two cold water spray equipment for the high pulling rate production of billet caster | |
| CN115323133B (en) | A hybrid quenching device and method for aluminum alloy high vacuum die castings | |
| CN113355624B (en) | Cooling device for hot galvanizing strip steel | |
| CN202007267U (en) | Galvanized steel strip spray cooling device | |
| CN105339103B (en) | Precooling system with controlled internal adjusting means | |
| CN205599891U (en) | Novel billet casting secondary cooling water adjustment mechanism | |
| JPH01177350A (en) | Method and equipment for manufacturing hot dip galvanized steel sheet having smooth surface | |
| CN101805881A (en) | Method and device for producing zinc-based alloy hot-dip steel strip by advanced air cooling method | |
| CN216838076U (en) | Efficient water mist quenching device with uniform and controllable cooling speed | |
| CN105798071A (en) | Online cooling device of profile steel rolling mill | |
| CN201250280Y (en) | Hot galvanizing aerosol cooling spray box | |
| JP2000045056A (en) | Cooling device for hot dip zinc-aluminum alloy plated wire | |
| CN102276135A (en) | Furnace for continuous bending of front windshield of automobile and production technology for continuous bending | |
| CN221522739U (en) | Air cooling lower bellows matched with hot galvanizing of continuous plate and strip | |
| CN205926650U (en) | Aluminium alloy extrusion structure | |
| CN2570271Y (en) | On-line thermal spray coloring equipment for configurated glass | |
| CN205949519U (en) | Thermal -insulation sliding window profile forming machine | |
| CN210280605U (en) | Magnesium alloy composite sheet continuous casting device |
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 |