CN113732082A - Cooling header device - Google Patents
Cooling header device Download PDFInfo
- Publication number
- CN113732082A CN113732082A CN202110977394.6A CN202110977394A CN113732082A CN 113732082 A CN113732082 A CN 113732082A CN 202110977394 A CN202110977394 A CN 202110977394A CN 113732082 A CN113732082 A CN 113732082A
- Authority
- CN
- China
- Prior art keywords
- plate
- cooling
- header
- flow equalizing
- hole group
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 17
- 239000007921 spray Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a cooling header device, which comprises a header, a flow-equalizing cavity and a nozzle, wherein the header is connected with a water inlet and is provided with a first through hole group; the flow equalizing cavity is arranged below the length direction of the collecting pipe, is connected with the bottom of the collecting pipe and is communicated with the collecting pipe through a first through hole group, the flow equalizing cavity comprises at least one partition plate and a bottom plate, the flow equalizing cavity is transversely divided into a plurality of flow equalizing chambers by the at least one partition plate, and the partition plate is provided with a second through hole group; the nozzle is arranged on the bottom plate. According to the cooling header device provided by the invention, cooling water flowing into the header from the water inlet flows into the flow equalizing chamber close to the header through the first through hole group on the header and then flows into the next flow equalizing chamber through the second through hole group on the partition plate in sequence, so that the cooling water uniformly reaches the bottom plate after flow equalization adjustment of the flow equalizing chamber, a nozzle can uniformly spray the cooling water to finish high-efficiency cooling of a metal plate to be cooled, and the uniformity of cooling the metal plate is ensured.
Description
Technical Field
The invention relates to the technical field of cooling of hot rolled plate strip steel of a rolling line, in particular to a cooling header device.
Background
In the production process of the hot-rolled plate strip steel, the steel plate needs to be naturally cooled after being rolled and before being coiled. At present, a laminar flow cooling device is usually adopted to accelerate the cooling process, the laminar flow cooling device is arranged between a rolling mill and a rolling mill or between the rolling mill and a coiling machine, the controlled cooling technology is adopted, the yield can be improved, the alloy content can be reduced under the condition of not reducing the toughness, the strength of a plate is improved, the unevenness and the residual stress of a steel plate are reduced, and therefore the quality of the steel plate is obviously improved.
In the process of laminar cooling and encrypted cooling by adopting rapid cooling equipment, in order to obtain steel composed of low-temperature phase change structures (such as martensite, bainite and the like), the condition of poor plate shape such as warping and the like is easily generated on strip steel, so that the production progress and the product quality are influenced, a core component of the ultra-rapid cooling equipment is a cooling header, and how to realize high cooling uniformity, high cooling efficiency and normal and reasonable distribution of water quantity in the width direction of the cooling header is the key of the cooling process.
Therefore, a cooling header apparatus capable of uniformly cooling a steel sheet is in need of study.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cooling header device, which solves the problem that the uniformity of the cooled metal plate cannot be ensured in the prior art.
The present invention provides a cooling header assembly comprising:
the collecting pipe is connected with the water inlet and provided with a first through hole group;
the flow equalizing cavity is arranged below the length direction of the collecting pipe, is connected with the bottom of the collecting pipe and is communicated with the collecting pipe through the first through hole group, the flow equalizing cavity comprises at least one partition plate and a bottom plate, the flow equalizing cavity is transversely divided into a plurality of flow equalizing chambers by the at least one partition plate, and the partition plate is provided with a second through hole group;
and the nozzle is arranged on the bottom plate.
Further, the collecting pipe comprises a steel pipe and a closing plate, and a first end of the steel pipe is connected with the water inlet flange; and the second end of the steel pipe is welded with the closing plate.
Furthermore, a first drain outlet is arranged on the sealing plate.
Further, the partition plate is arranged in parallel with the bottom plate.
Furthermore, the flow equalizing cavity further comprises a vertical plate, and the vertical plate is vertically arranged on the partition plate.
Furthermore, two ends of the flow equalizing cavity in the length direction are provided with second sewage outlets.
Further, the first through hole group comprises at least one row of uniformly distributed through holes; the second through hole group comprises at least one row of uniformly distributed through holes; the bottom plate is provided with at least one row of threaded hole groups, the nozzles are in threaded connection with the threaded hole groups, and the injection angles of all the nozzles can be adjusted.
Further, the flow-equalizing chamber still includes strengthening rib and mounting panel, the bottom plate passes through the strengthening rib with the mounting panel is connected, the mounting panel with bottom plate parallel arrangement, the bottom plate is located between two adjacent apron, the apron includes two boards of bending, bend the board with the mounting panel is connected.
Further, the header and the nozzle are both made of corrosion-resistant materials.
Further, the length of the cooling header device is larger than the width of the metal plate to be cooled.
According to the cooling header device provided by the invention, cooling water flowing into the header from the water inlet flows into the flow equalizing chamber close to the header through the first through hole group on the header and then flows into the next flow equalizing chamber through the second through hole group on the partition plate in sequence, so that the cooling water uniformly reaches the bottom plate after flow equalization adjustment of the flow equalizing chamber, a nozzle can uniformly spray the cooling water to finish high-efficiency cooling of a metal plate to be cooled, and the uniformity of cooling the metal plate is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by 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 hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structural view of a cooling header assembly;
FIG. 2 is a cross-sectional view of a cooling header assembly;
FIG. 3 is a block diagram of the cooling header assembly in connection with the cover plate.
In the figure:
10-a header, 11-a first through hole group, 12-a steel pipe, 13-an end enclosure and 14-a first drain outlet;
20-flow equalizing cavity, 21-partition plate, 22-bottom plate, 23-flow equalizing chamber, 24-second through hole group, 25-vertical plate, 26-second sewage draining outlet, 27-reinforcing rib and 28-mounting plate;
30-a nozzle;
40-cover plate and 41-bent plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
The invention provides a cooling header device, which is shown in figures 1 and 2 and comprises a header 10, a flow equalizing cavity 20 and a nozzle 30, wherein the header 10 is connected with a water inlet, and the header 10 is provided with a first through hole group 11; the flow equalizing cavity 20 is arranged below the length direction of the header 10, is connected with the bottom of the header 10 and is communicated with the header 10 through a first through hole group 11, the flow equalizing cavity 20 comprises at least one partition plate 21 and a bottom plate 22, the flow equalizing cavity 20 is transversely divided into a plurality of flow equalizing chambers 23 by the at least one partition plate 21, and a second through hole group 24 is formed in the partition plate 21; the nozzle 30 is provided on the base plate 22.
According to the cooling header device provided by the invention, cooling water flowing into the header 10 from a water inlet flows into the flow equalizing chamber 23 close to the header 10 through the first through hole group 11 on the header 10 and then flows into the next flow equalizing chamber 23 through the second through hole group 24 on the partition plate 21 in sequence, so that the cooling water uniformly reaches the bottom plate 22 after flow equalizing adjustment of the flow equalizing chamber 23, the cooling water can be uniformly sprayed by the nozzles 30 to finish high-efficiency cooling of a metal plate to be cooled, and the uniformity of cooling the metal plate is ensured.
Further, the manifold 10 comprises a steel pipe 12 and a closing plate 13, wherein a first end of the steel pipe 12 is connected with a water inlet flange; the second end of the steel tube 12 is welded to the closure plate 13. In the embodiment, flange connection is adopted to ensure that the steel pipe 12 and the water inlet have high connection strength and good sealing performance and are convenient to disassemble; the steel pipe 12 and the closing plate 13 are welded, so that the integrity of the inner cavity of the header 10 is good, and the sealing effect on cooling water is good.
Further, the sealing plate 13 is provided with a first drain port 14. In the present embodiment, the first drain port 14 can drain the impurities present in the header 10, and the problem that the impurities inside the header 10 are difficult to clean is solved.
Specifically, in the above-described embodiment, the partition plates 21 are each disposed in parallel with the bottom plate 22. In this embodiment, can select to adopt polylith division board 21 according to the needs of actual cooling process, form a plurality of flow equalizing chamber 23, the cooling water flows in proper order in a plurality of flow equalizing chamber 23, obtains better effect of flow equalizing, division board 21 and bottom plate 22 parallel arrangement to guarantee that the cooling water can evenly reach bottom plate 22 at last.
Further, the flow equalizing chamber 20 further comprises a vertical plate 25, and the vertical plate 25 is vertically arranged on the partition plate 21. In the present embodiment, the vertical plate 25 is provided vertically on the partition plate 21 to buffer the flow of the cooling water, thereby stabilizing the flow of the cooling water.
Further, two ends of the flow equalizing cavity 20 in the length direction are provided with second sewage outlets 26. In the embodiment, the impurities in the flow equalizing chamber 23 are discharged through the second sewage outlets 26 at the two ends of the flow equalizing chamber 20, and the cleaning of the impurities is completed before the cooling water reaches the nozzle 30, so that the blockage of the nozzle 30 is effectively prevented, and the uniformity of the jet flow is further ensured.
Specifically, in the above-described embodiment, the first through-hole group 11 includes at least one row of uniformly distributed through-holes; the second set of through holes 24 comprises at least one row of evenly distributed through holes; at least one row of threaded hole groups are formed in the bottom plate 22, the nozzles 30 are in threaded connection with the threaded hole groups, and the injection angles of all the nozzles 30 can be adjusted. In the present embodiment, through holes are uniformly distributed in the bottom of the header 10 and the partition plate 21 so that the cooling water can uniformly flow into the respective flow equalizing chambers 23; the nozzle 30 and the bottom plate 22 are in threaded connection, the manufacturing difficulty is reduced, the cost is saved, the maintenance is convenient, the spraying angles of the nozzles 30 located at different positions are adjusted according to different cooling effects required by different metal plates, the nozzle angles and the horizontal direction are 0-180 degrees, the problems of drainage and water sealing generated in the cooling process of different metal plates are solved, and the uniform cooling of different metal plates is realized.
Specifically, in the above embodiment, referring to fig. 3, the flow equalizing cavity 20 further includes the reinforcing rib 27 and the mounting plate 28, the bottom plate 22 is connected to the mounting plate 28 through the reinforcing rib 27, the mounting plate 28 is arranged in parallel with the bottom plate 22, the bottom plate 22 is located between two adjacent cover plates 40, each cover plate 40 includes two bending plates 41, and each bending plate 41 is connected to the mounting plate 28. In this embodiment, the cover plate 40 in the cooling device is of a concave structure with two sides turned inwards, two ends are bent to form two bent plates 41, two ends of the bottom plate 22 are respectively connected with the mounting plates 28 through the reinforcing ribs 27 to form a barb shape, the whole bottom plate 22 is located between two adjacent cover plates 40, the bent plate 41 on each side of each of the two cover plates 40 is placed under the mounting plates 28 on two sides, the bent plates 41 and the mounting plates 28 can be in a threaded connection or welding mode, so that the bottom plate 22 and the two adjacent cover plates 40 are at the same height and gaps are prevented from being generated between the bottom plate 22 and the cover plates 40, the situation that when metal steel materials are warped and deformed to be drilled into the gaps at the connection positions of the header 10 and the cover plates 40, the production stop is caused, meanwhile, the cooling water is also prevented from splashing, the water sealing effect is achieved, and the effect of protecting the header 10 can also be achieved.
Specifically, in the above embodiment, the header 10 and the nozzle 30 are both made of a corrosion-resistant material. In the present embodiment, the header 10 and the nozzle 30 are made of a corrosion-resistant material, preferably stainless steel, which reduces the problem of corrosion during cooling of the header 10 and the nozzle 30 over a long period of time and is less likely to deform under high-temperature environments.
Specifically, in the above embodiment, the cooling header assembly length is greater than the width of the metal sheet to be cooled. In the present embodiment, the whole of the metal plate to be cooled is within the cooling range of the cooling header device to achieve complete cooling of the metal plate to be cooled and ensure uniformity of cooling, wherein the length of the cooling header is preferably 100mm to 3500 mm.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A cooling manifold apparatus, comprising:
the collecting pipe (10) is connected with the water inlet, and a first through hole group (11) is formed in the collecting pipe (10);
the flow equalizing cavity (20) is arranged below the length direction of the header (10), is connected with the bottom of the header (10) and is communicated with the header (10) through the first through hole group (11), the flow equalizing cavity (20) comprises at least one partition plate (21) and a bottom plate (22), the at least one partition plate (21) transversely partitions the flow equalizing cavity (20) into a plurality of flow equalizing chambers (23), and the partition plate (21) is provided with a second through hole group (24);
and the nozzle (30) is arranged on the bottom plate (22).
2. A cooling header assembly in accordance with claim 1 wherein said header (10) comprises a steel tube (12) and a closure plate (13), a first end of said steel tube (12) being flanged to said water inlet; and the second end of the steel pipe (12) is welded with the closing plate (13).
3. A cooling header assembly in accordance with claim 2 wherein said closure plate (13) is provided with a first drain port (14).
4. A cooling header arrangement according to claim 1, characterised in that the partition plate (21) is arranged in parallel with the bottom plate (22).
5. A cooling header assembly according to claim 4, wherein the flow-equalizing chamber (20) further comprises a vertical plate (25), said vertical plate (25) being vertically disposed on said partition plate (21).
6. A cooling header assembly according to claim 5, characterised in that both lengthwise ends of the flow equalizing chamber (20) are provided with second sewage discharge openings (26).
7. A cooling header arrangement according to claim 1, characterised in that the first set of through holes (11) comprises at least one row of evenly distributed through holes; the second through hole group (24) comprises at least one row of uniformly distributed through holes; at least one row of threaded hole groups are formed in the bottom plate (22), the nozzles (30) are in threaded connection with the threaded hole groups, and the injection angles of all the nozzles (30) are adjustable.
8. A cooling header assembly according to claim 1, wherein the flow-equalizing chamber (20) further comprises reinforcing ribs (27) and a mounting plate (28), the base plate (22) is connected to the mounting plate (28) by the reinforcing ribs (27), the mounting plate (28) is arranged in parallel with the base plate (22), the base plate (22) is located between two adjacent cover plates (40), the cover plates (40) comprise two bending plates (41), and the bending plates (41) are connected to the mounting plate (28).
9. A cooling header assembly in accordance with claim 1, wherein said header (10) and said nozzle (30) are both made of a corrosion resistant material.
10. The cooling header assembly of claim 1, wherein the cooling header assembly length is greater than the width of the metal sheet to be cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977394.6A CN113732082A (en) | 2021-08-24 | 2021-08-24 | Cooling header device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977394.6A CN113732082A (en) | 2021-08-24 | 2021-08-24 | Cooling header device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732082A true CN113732082A (en) | 2021-12-03 |
Family
ID=78732650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110977394.6A Pending CN113732082A (en) | 2021-08-24 | 2021-08-24 | Cooling header device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732082A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261898Y (en) * | 1996-07-05 | 1997-09-10 | 鞍山钢铁公司 | Controlled cooling device for medium-thickness plate |
| CN2578005Y (en) * | 2002-10-17 | 2003-10-08 | 营口流体设备制造(集团)有限公司 | Water curtain controllable steel plate cooling device |
| JP2011167740A (en) * | 2010-02-19 | 2011-09-01 | Jfe Steel Corp | Apparatus for cooling hot steel plate |
| CN103316934A (en) * | 2013-06-24 | 2013-09-25 | 中冶赛迪工程技术股份有限公司 | Multi-damping upward-spraying laminar cooling device with separable cavities |
| CN104722589A (en) * | 2015-03-11 | 2015-06-24 | 北京科技大学 | Five-stage type plate-strip cooling-control collecting pipe capable of adjusting water convexity |
| CN105170662A (en) * | 2015-07-20 | 2015-12-23 | 东北大学 | Multi-cavity flow-controllable spray header |
-
2021
- 2021-08-24 CN CN202110977394.6A patent/CN113732082A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261898Y (en) * | 1996-07-05 | 1997-09-10 | 鞍山钢铁公司 | Controlled cooling device for medium-thickness plate |
| CN2578005Y (en) * | 2002-10-17 | 2003-10-08 | 营口流体设备制造(集团)有限公司 | Water curtain controllable steel plate cooling device |
| JP2011167740A (en) * | 2010-02-19 | 2011-09-01 | Jfe Steel Corp | Apparatus for cooling hot steel plate |
| CN103316934A (en) * | 2013-06-24 | 2013-09-25 | 中冶赛迪工程技术股份有限公司 | Multi-damping upward-spraying laminar cooling device with separable cavities |
| CN104722589A (en) * | 2015-03-11 | 2015-06-24 | 北京科技大学 | Five-stage type plate-strip cooling-control collecting pipe capable of adjusting water convexity |
| CN105170662A (en) * | 2015-07-20 | 2015-12-23 | 东北大学 | Multi-cavity flow-controllable spray header |
Non-Patent Citations (1)
| Title |
|---|
| 朱启建等: "基于喷水强度均匀分布的多级阻尼集管设计", 《北京科技大学学报》 * |
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Application publication date: 20211203 |