EP3280548A1 - Vorrichtung zum entfernen von zunder von der oberfläche einer bramme bzw. eines walzgutes - Google Patents
Vorrichtung zum entfernen von zunder von der oberfläche einer bramme bzw. eines walzgutesInfo
- Publication number
- EP3280548A1 EP3280548A1 EP16712835.4A EP16712835A EP3280548A1 EP 3280548 A1 EP3280548 A1 EP 3280548A1 EP 16712835 A EP16712835 A EP 16712835A EP 3280548 A1 EP3280548 A1 EP 3280548A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- pressure chamber
- disc
- rotor shaft
- bearing
- 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.)
- Granted
Links
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
- B21B45/04—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 de-scaling, e.g. by brushing
- B21B45/08—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 de-scaling, e.g. by brushing hydraulically
-
- 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
- B21B45/04—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 de-scaling, e.g. by brushing
- B21B45/06—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 de-scaling, e.g. by brushing of strip material
Definitions
- the invention relates to a device for cleaning the surface of an object, in particular for removing scales of rolling stock or a slab, d. H. a part of a cast strand in a rolling mill.
- the disclosed therein device comprises a housing in which a pressure chamber is formed for a pressure medium.
- the pressure chamber is supplied via a supply line with the pressure medium.
- a rotor shaft is rotatably supported by means of at least one bearing.
- a nozzle carrier is attached, which has at least one spray nozzle for spraying the pressure medium on the surface of the article.
- a first disc is arranged, which limits the pressure chamber on one side.
- the first disc and the nozzle carrier have mutually aligned feed channels for supplying the pressure medium from the pressure chamber to the at least one spray nozzle.
- the rotating nozzle carrier is loaded with a very high axial force when it is acted upon by the pressure medium for its spray nozzles.
- this axial force must be absorbed by the housing, why the housing must be designed to be stable and resilient not only in the area of the pressure chamber but also in other areas.
- the present invention seeks to develop a known device for cleaning the surface of an object to the effect that the occurrence of an axial force is avoided on the rotating nozzle carrier.
- the inventive device is characterized in that the rotor next to the rotor shaft and the first disc has a second disc, that the first and the second disc are fixed at an axial distance from each other with a radial extent on the rotor shaft, wherein the pressure chamber in the extends through the two discs spanned gap, and that the nozzle carrier is mounted on the side facing away from the pressure chamber of the first disc.
- the two disks Due to the design of the pressure chamber between the two rotating disks, the two disks, when the pressure chamber is acted upon by the pressurized medium under high pressure, each acted upon by the same but oppositely directed axial forces. Since the two discs are each attached to the rotor shaft, the opposite forces compensate for the discs or these forces are absorbed by the rotor shaft. In particular, the nozzle carrier is advantageously no longer exposed to the high axial forces due to its attachment to the side facing away from the nozzle chamber side of the first disc.
- At least one annular seal is provided for sealing the first and the second disc against the housing or against a sealing bush, which is provided at the level of at least one of the discs in the wall of the housing.
- the seals must, as I said, be designed for the high pressure loads. If this is the case, the seals increase the efficiency of the entire device. Due to the high pressure load, the housing in the region of the pressure chamber and in particular at the level of the discs or the annular seals is subject to considerable wear. Therefore, it is advantageous if the housing has in this area sealing bushings, which can be relatively easily replaced in the event of wear, without then the entire housing would have to be replaced.
- the sealing surfaces of the disks and of the housing or of the sealing bushes which are opposite one another at the height of the disks are formed coaxially with the rotor shaft and cylindrical.
- the sealing surfaces of the discs and the housing or the sealing bushes are then parallel to each other.
- the annular seals may be held either in the sealing surfaces of the discs or in the sealing surfaces of the housing or in the sealing surfaces of the sealing bushes.
- the sealing of the pressure chamber by the annular seals in the region of the discs can not always be guaranteed.
- the inventive device therefore sees on the Pressure chamber opposite side of the second disc within the housing a space before for receiving the pressure medium, as far as it could escape from the pressure chamber in the room by a leak in the second disc associated annular seal.
- the housing advantageously has a relief bore for draining the pressure medium from this space.
- the rotating components in contact with the pressure chamber are structurally combined to form a component or formed in one piece.
- a splash guard is advantageously arranged on the second disc in the axial direction opposite side of the room.
- the detachable attachment of the nozzle carrier to the first disc has the advantage of a simplified interchangeability of the nozzle carrier, z. B. for maintenance purposes.
- the bearing for the rotor shaft is designed, for example, as a thrust bearing or as a radial bearing or as a combined axial and radial bearing.
- the first and the second disc, the annular seals, the rotor shaft in the region of the pressure chamber and the housing, at least in the area where it radially limits the pressure chamber, must be for the pressures with which the pressure medium introduced into the pressure chamber and the spray nozzles the surface of the article is to be applied, be designed.
- these pressures are up to 1000 bar, preferably up to 600 bar.
- a drive device must be provided for rotationally driving the rotor shaft with the two disks attached thereto and the nozzle carrier attached thereto.
- FIG. 1 shows the device according to the invention for cleaning the surface of an object
- FIG. 2 shows the device according to the invention in an alternative
- FIG. 1 shows the device according to the invention for cleaning the surface of an object 20, for example a slab, which is to be cleaned of scale.
- the device comprises a housing 10 in which a rotor is mounted with a rotor shaft 12 in bearings 6, 6a, which are designed as radial or thrust bearings.
- a first disc 1 1 and a second disc 1 1 a each with a radial extent and at an axial distance d are fixed to each other.
- the intermediate space between the first and the second disc forms a pressure chamber 1, which can be filled via a feed line 4 with a pressure medium 30, for example water.
- the pressure medium of the pressure chamber 1 is typically supplied under high pressure, for example 600 bar.
- the pressure chamber 1 is limited in the axial direction by the two discs 1 1, 1 1 a, it is limited in the radial direction by the housing 10.
- the pressure chamber 1 In the region of the first and second disc 1 1, 1 1 a, the pressure chamber 1 through annular seals 2, 2a sealed.
- the annular seals 2, 2a are used for sealing annular gaps between the opposing sealing surfaces in the form of the edges of the disc and the opposite parts of the housing or opposite in the wall of the housing embedded sealing bushes.
- These opposing sealing surfaces of both the edges of the disc as well as the housing and the sealing bushes are, for example, coaxial or cylindrical, so that the respective sealing surfaces are parallel.
- Other parts of the housing 10, in particular in the region of the bearings 6, 6a for the rotor shaft 12, can be designed to be lighter and less robust, in particular because the high axial forces occurring in the region of the pressure chamber when exposed to the pressure medium from the first and the second disc or from the rotor shaft 12, on which the two discs are mounted, are collected.
- the housing 10 On the side facing away from the pressure chamber 1 side of the second disc 1 1 a is formed within the housing 10, a space 13 for receiving the pressure medium 30, as far as it passes through a possible leak in the second disc associated annular seal 2a in this space 13.
- the housing has a relief bore 5.
- a splash guard 16 is arranged.
- a drive device 7 serves to rotationally drive the rotor shaft 12 and the first and second disks 11, 11a and a nozzle carrier 9 fastened thereto.
- the nozzle carrier 9 is preferably releasably attached to the side facing away from the pressure chamber 1 of the first disc 1 1.
- the nozzle carrier carries at least one, typically a plurality of spray nozzles for spraying the printing medium on the surface of the article. Due to its coupling to the first disk, the nozzle carrier is rotationally driven by the rotor shaft 12 with the spray nozzles. To supply the spray nozzles 8 with the pressure medium 30 from the pressure chamber 1, the first disc 1 1 and the nozzle carrier 9 aligned feed channels 3 on.
- FIG. 2 shows the device according to the invention as a section of the lower region.
- the rotating parts are combined as one component.
- the rotating parts that is, the discs 1 1 and 1 1 a, the rotor shaft 12 and the nozzle carrier 9 form a manufacturing unit.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015206393.3A DE102015206393A1 (de) | 2015-04-10 | 2015-04-10 | Vorrichtung zum Reinigen der Oberfläche eines Gegenstandes |
| PCT/EP2016/056554 WO2016162222A1 (de) | 2015-04-10 | 2016-03-24 | Vorrichtung zum entfernen von zunder von der oberfläche einer bramme bzw. eines walzgutes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3280548A1 true EP3280548A1 (de) | 2018-02-14 |
| EP3280548B1 EP3280548B1 (de) | 2020-03-04 |
Family
ID=55642450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16712835.4A Active EP3280548B1 (de) | 2015-04-10 | 2016-03-24 | Vorrichtung zum entfernen von zunder von der oberfläche einer bramme bzw. eines walzgutes |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3280548B1 (de) |
| CN (1) | CN107530749B (de) |
| DE (1) | DE102015206393A1 (de) |
| TW (1) | TWI635911B (de) |
| WO (1) | WO2016162222A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017122802C5 (de) | 2017-09-29 | 2026-03-19 | Hauhinco ALT GmbH & Co. KG | Entzunderungsvorrichtung |
| DE102018117405A1 (de) * | 2018-07-18 | 2020-01-23 | Kme Mansfeld Gmbh | Verfahren zum Entzundern eines Kupferausgangsmaterials für ein Fertigen eines Kupferproduktes und Kupferprodukt |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263504A (en) * | 1990-12-28 | 1993-11-23 | Carolina Equipment And Supply Company, Inc. | Apparatus and method for cleaning with a focused fluid stream |
| AT406234B (de) | 1996-02-02 | 2000-03-27 | Voest Alpine Ind Anlagen | Verfahren zum entzundern eines werkstückes |
| DE102006004688A1 (de) * | 2006-02-02 | 2007-08-16 | Sms Demag Ag | Verfahren und Giess-Walz-Anlage zum Herstellen von warmgewalztem Metall - insbesondere Stahlwerkstoff-Band mit hoher Oberflächengüte |
| KR101220608B1 (ko) * | 2010-06-09 | 2013-01-10 | 주식회사 포스코 | 스케일 제거장치 |
| CN101922449A (zh) * | 2010-08-19 | 2010-12-22 | 罗学圣 | 一种喷水涡旋式压缩机 |
| CN202356423U (zh) * | 2011-09-08 | 2012-08-01 | 西安宝信冶金技术有限公司 | 一种水平旋转式除磷箱 |
| JP5857653B2 (ja) * | 2011-11-14 | 2016-02-10 | Jfeスチール株式会社 | デスケーリング装置 |
| CN102716922B (zh) * | 2012-06-28 | 2015-04-01 | 宝山钢铁股份有限公司 | 一种大直径金属棒材表面射流除鳞系统及方法 |
| CN203470500U (zh) * | 2013-09-18 | 2014-03-12 | 孙双印 | 一种轧机除鳞装置 |
| CN203678887U (zh) * | 2013-10-09 | 2014-07-02 | 马钢(集团)控股有限公司 | 钢锭除鳞装置 |
-
2015
- 2015-04-10 DE DE102015206393.3A patent/DE102015206393A1/de not_active Withdrawn
-
2016
- 2016-03-24 EP EP16712835.4A patent/EP3280548B1/de active Active
- 2016-03-24 WO PCT/EP2016/056554 patent/WO2016162222A1/de not_active Ceased
- 2016-03-24 CN CN201680021119.4A patent/CN107530749B/zh not_active Expired - Fee Related
- 2016-03-28 TW TW105109615A patent/TWI635911B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP3280548B1 (de) | 2020-03-04 |
| CN107530749A (zh) | 2018-01-02 |
| WO2016162222A1 (de) | 2016-10-13 |
| TWI635911B (zh) | 2018-09-21 |
| TW201641174A (zh) | 2016-12-01 |
| DE102015206393A1 (de) | 2016-10-13 |
| CN107530749B (zh) | 2019-04-05 |
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