CN1986093A - Method and device for maintaining clean surface of strip steel in cold continuous rolling process - Google Patents
Method and device for maintaining clean surface of strip steel in cold continuous rolling process Download PDFInfo
- Publication number
- CN1986093A CN1986093A CN 200610125553 CN200610125553A CN1986093A CN 1986093 A CN1986093 A CN 1986093A CN 200610125553 CN200610125553 CN 200610125553 CN 200610125553 A CN200610125553 A CN 200610125553A CN 1986093 A CN1986093 A CN 1986093A
- Authority
- CN
- China
- Prior art keywords
- spray beam
- emulsion
- emulsion pipe
- band steel
- shower nozzle
- 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
Images
Landscapes
- Metal Rolling (AREA)
Abstract
The present invention relates to method and device for maintaining clean surface of strip steel in cold continuous rolling course. The method features that by means of a jetting beam arranged in the downstream side of the rolling machine, emulsion is jetted to the roll gap between the upper intermediate roll and the upper backing up roll and the roll gap between the lower intermediate roll and the lower backing up roll during the cold continuous rolling course. The present invention has high effect of cleaning the surface of strip steel.
Description
Technical field
The present invention relates to guarantee in a kind of cold continuous rolling process the method and the device of belt steel surface cleaning, be applied to the rolling field of cold continuous rolling that plate face quality is had higher requirements.
Background technology
Along with improving constantly of user's request, the surface quality of cold-strip steel more and more becomes the decisive factor of decision cold-rolled steel strip products quality.Be with blemish such as iron powder residual on the steel, the damage of the dirt on roll belt steel surface all can influence the product quality of follow-up coating product.Therefore, people usually take to improve various measures such as emulsion expulsion pressure, raising emulsion cleannes, to guarantee to obtain the cold-rolled products of cleaning surfaces.Traditional emulsion spray beam arrangement, the backing roll spray beam is arranged in the milling train entrance side, and the dirt of clearing up from roll drops on the band steel of milling train inlet, directly brings mill milling into.These dirt coup injury band steel of one side, on the other hand, dirt is easy to once more follow-up rolling attached to influence on the roll.
Said method has not only improved equipment investment greatly, and in actual production, in particularly producing as thin as a wafer, above-mentioned the whole bag of tricks all can not solve the belt steel surface cleaning problems well.
Summary of the invention
The object of the present invention is to provide the method and the device that guarantee the belt steel surface cleaning in a kind of cold continuous rolling process, this method and device can make the belt steel surface cleaning effect good.
To achieve these goals, technical scheme of the present invention is: the method that guarantees the belt steel surface cleaning in a kind of cold continuous rolling process, it is characterized in that: spray beam is arranged in the outlet side of milling train, in the band steel cold-tandem rolling process, the outlet side of milling train respectively on roll gap district, the roll gap district injection emulsion of intermediate calender rolls and lower support roller down of intermediate calender rolls and top backing up roll.
In the described band steel cold-tandem rolling process, the upper surface and the lower surface of band steel sprayed emulsion respectively at the outlet side of milling train.
Guarantee the device of belt steel surface cleaning in a kind of cold continuous rolling process of realizing said method, it is characterized in that: it comprises the first emulsion pipe 8, the second emulsion pipe 9, the 3rd emulsion pipe 10, the 4th emulsion pipe 11, the first spray beam D, the second spray beam C,
The first spray beam D is positioned at the outlet side of milling train, the first spray beam D is made up of last spray beam and following spray beam, the last spray beam of the first spray beam D is positioned at the top of band steel 7, the last spray beam of the first spray beam D is provided with one group towards the shower nozzle of last intermediate calender rolls 5 with the roll gap district of top backing up roll 6, and shower nozzle all is connected with the first emulsion pipe 8; The following spray beam of the first spray beam D is positioned at the below of band steel 7, the following spray beam of the first spray beam D is provided with one group towards the shower nozzle of following intermediate calender rolls 2 with the roll gap district of lower support roller 1, shower nozzle all is connected with the second emulsion pipe 9, and the first emulsion pipe 8 and the second emulsion pipe 9 are controlled by same control valve;
The second spray beam C is positioned at the outlet side of milling train, the second spray beam C is made up of last spray beam and following spray beam, the last spray beam of the second spray beam C is positioned at the top of band steel 7, the last spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel 7 upper surfaces, about two groups of shower nozzles be connected with the 4th emulsion pipe 11 respectively, middle one group of shower nozzle is connected with the 3rd emulsion pipe 10, and the 4th emulsion pipe 11 is provided with control valve; The following spray beam of the second spray beam C is positioned at the below of band steel 7, the following spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel 7 lower surfaces, about two groups of shower nozzles be connected with the 4th emulsion pipe 11 respectively, middle one group of shower nozzle is connected with the 3rd emulsion pipe 10.
The present invention sprays this most effective link from emulsion and starts with, and change emulsion eject position makes existing band steel cleannes, and this is improved well.
The invention has the beneficial effects as follows: adopt spray beam to be arranged in the outlet side of milling train, the outlet side of milling train respectively on roll gap district, the roll gap district injection emulsion of intermediate calender rolls and lower support roller down of intermediate calender rolls and top backing up roll, effectively avoided the dirt influence rolling under the flushing, made the belt steel surface cleaning effect remarkable this passage.Enter next frame rolling before, at the outlet side of milling train the upper surface and the lower surface of band steel sprayed emulsion respectively, guaranteed the cleaning of belt steel surface.
Employing the outlet side of milling train respectively on roll gap district, the roll gap district injection emulsion of intermediate calender rolls and lower support roller down of intermediate calender rolls and top backing up roll, last intermediate calender rolls and top backing up roll, following intermediate calender rolls and lower support roller are just contacted, through last intermediate calender rolls and top backing up roll, rubbing action when intermediate calender rolls combines with the lower support roller down, the adhesion of dirt and intermediate calender rolls, backing roll diminishes, just can at an easy rate dirt be washed out with little pressure, therefore, cleaning performance is good, and can reduce the roller consumption.
Description of drawings
Fig. 1 is the structural representation that guarantees the device of belt steel surface cleaning in the cold continuous rolling process of the present invention
Fig. 2 is the layout drawing of one group of shower nozzle being provided with of the last spray beam of the first spray beam D
Fig. 3 is the layout drawing of three groups of shower nozzles being provided with of the last spray beam of the second spray beam C
Among the figure: 1-lower support roller, intermediate calender rolls under the 2-, the 3-bottom working roll, the 4-top working roll, the last intermediate calender rolls of 5-, the 6-top backing up roll, 7-is with steel, the 8-first emulsion pipe, the 9-second emulsion pipe, 10-the 3rd emulsion pipe, 11-the 4th emulsion pipe.
The specific embodiment
As shown in Figure 1, guarantee the method for belt steel surface cleaning in a kind of cold continuous rolling process, spray beam is arranged in the outlet side of milling train, in the band steel cold-tandem rolling process, the outlet side of milling train respectively on roll gap district, the roll gap district injection emulsion of intermediate calender rolls and lower support roller down of intermediate calender rolls and top backing up roll.The emulsion that the first spray beam D sprays among the present invention is not directly belt steel surface to be played cleaning action, but breaker roll plays cleaning action; Effectively avoided the dirt influence rolling under the flushing, guaranteed the belt steel surface cleaning this passage.Emulsion is formulated by ROLLING OIL and desalted water, is existing known technology.
In the described band steel cold-tandem rolling process, the upper surface and the lower surface of band steel sprayed emulsion respectively at the outlet side of milling train.The second spray beam C plays cleaning action to belt steel surface.
Guarantee the device of belt steel surface cleaning in a kind of cold continuous rolling process of realizing said method, as shown in Figure 1, it comprises the first emulsion pipe 8, the second emulsion pipe 9, the 3rd emulsion pipe 10, the 4th emulsion pipe 11, the first spray beam D, the second spray beam C,
The first spray beam D is positioned at the outlet side of milling train, the first spray beam D is made up of last spray beam and following spray beam, the last spray beam of the first spray beam D is positioned at the top of band steel 7, the last spray beam of the first spray beam D is provided with one group towards the shower nozzle in last intermediate calender rolls 5 and the roll gap district of top backing up roll 6 (as shown in Figure 2, every group of shower nozzle is made up of the 2-10 shower nozzle), shower nozzle all is connected with the first emulsion pipe 8; The following spray beam of the first spray beam D is positioned at the below of band steel 7, the following spray beam of the first spray beam D is provided with one group towards the shower nozzle (every group shower nozzle 2-10 shower nozzle be made of) of following intermediate calender rolls 2 with the roll gap district of lower support roller 1, shower nozzle all is connected with the second emulsion pipe 9, and the first emulsion pipe 8 and the second emulsion pipe 9 are controlled by same control valve;
The second spray beam C is positioned at the outlet side (enter next frame rolling before) of milling train, the second spray beam C is made up of last spray beam and following spray beam, the last spray beam of the second spray beam C is positioned at the top of band steel 7, the last spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel 7 upper surfaces, about two groups of shower nozzles (every group of shower nozzle is made up of the 2-10 shower nozzle) be connected (as shown in Figure 3 with the 4th emulsion pipe 11 respectively, effect is to regulate jet width, as two groups of shower nozzles about closing, one group of shower nozzle sprays in the middle of then having only), middle one group of shower nozzle (every group of shower nozzle is made up of the 2-10 shower nozzle) is connected with the 3rd emulsion pipe 10, and the 4th emulsion pipe 11 is provided with control valve; The following spray beam of the second spray beam C is positioned at the below of band steel 7, the following spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel 7 lower surfaces, about two groups of shower nozzles (every group of shower nozzle is made up of the 2-10 shower nozzle) be connected with the 4th emulsion pipe 11 respectively, middle one group of shower nozzle (every group of shower nozzle is made up of the 2-10 shower nozzle) is connected with the 3rd emulsion pipe 10.
Claims (3)
1. guarantee the method that belt steel surface cleans in a cold continuous rolling process, it is characterized in that: spray beam is arranged in the outlet side of milling train, in the band steel cold-tandem rolling process, the outlet side of milling train respectively on roll gap district, the roll gap district injection emulsion of intermediate calender rolls and lower support roller down of intermediate calender rolls and top backing up roll.
2. guarantee the method for belt steel surface cleaning in a kind of cold continuous rolling process according to claim 1, it is characterized in that: in the described band steel cold-tandem rolling process, the upper surface and the lower surface of band steel sprayed emulsion respectively at the outlet side of milling train.
3. guarantee the device of belt steel surface cleaning in the cold continuous rolling process of realizing the described method of claim 1, it is characterized in that: it comprises the first emulsion pipe (8), the second emulsion pipe (9), the 3rd emulsion pipe (10), the 4th emulsion pipe (11), the first spray beam D, the second spray beam C
The first spray beam D is positioned at the outlet side of milling train, the first spray beam D is made up of last spray beam and following spray beam, the last spray beam of the first spray beam D is positioned at the top of band steel (7), the last spray beam of the first spray beam D is provided with one group towards the shower nozzle of last intermediate calender rolls (5) with the roll gap district of top backing up roll (6), and shower nozzle all is connected with the first emulsion pipe (8); The following spray beam of the first spray beam D is positioned at the below of band steel (7), the following spray beam of the first spray beam D is provided with one group towards the shower nozzle of following intermediate calender rolls (2) with the roll gap district of lower support roller (1), shower nozzle all is connected with the second emulsion pipe (9), and the first emulsion pipe (8) and the second emulsion pipe (9) are controlled by same control valve;
The second spray beam C is positioned at the outlet side of milling train, the second spray beam C is made up of last spray beam and following spray beam, the last spray beam of the second spray beam C is positioned at the top of band steel (7), the last spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel (7) upper surface, about two groups of shower nozzles be connected with the 4th emulsion pipe (11) respectively, middle one group of shower nozzle is connected with the 3rd emulsion pipe (10), and the 4th emulsion pipe (11) is provided with control valve; The following spray beam of the second spray beam C is positioned at the below of band steel (7), the following spray beam of the second spray beam C is provided with three groups of shower nozzles towards band steel (7) lower surface, about two groups of shower nozzles be connected with the 4th emulsion pipe (11) respectively, middle one group of shower nozzle is connected with the 3rd emulsion pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610125553 CN1986093A (en) | 2006-12-22 | 2006-12-22 | Method and device for maintaining clean surface of strip steel in cold continuous rolling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610125553 CN1986093A (en) | 2006-12-22 | 2006-12-22 | Method and device for maintaining clean surface of strip steel in cold continuous rolling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1986093A true CN1986093A (en) | 2007-06-27 |
Family
ID=38183114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610125553 Pending CN1986093A (en) | 2006-12-22 | 2006-12-22 | Method and device for maintaining clean surface of strip steel in cold continuous rolling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1986093A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172642A (en) * | 2010-12-30 | 2011-09-07 | 一重集团大连设计研究院有限公司 | Spray nozzle fault detection method for finely cooling device of cold rolling mill |
| CN102284520A (en) * | 2011-08-18 | 2011-12-21 | 中冶南方工程技术有限公司 | Water mist leveling-spraying device in cold-rolling wet leveling production |
| CN102319749A (en) * | 2011-08-18 | 2012-01-18 | 中冶南方工程技术有限公司 | Water spray injection method of leveling liquid in cold milling wet leveling production |
| CN102319750A (en) * | 2011-08-18 | 2012-01-18 | 中冶南方工程技术有限公司 | Water spray leveling method in cold milling wet leveling production |
| CN111957747A (en) * | 2020-07-30 | 2020-11-20 | 山东新美达科技材料有限公司 | Emulsion injection subsection opening and closing control optimization device for transverse moving vacancy of cold rolling intermediate roll |
-
2006
- 2006-12-22 CN CN 200610125553 patent/CN1986093A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172642A (en) * | 2010-12-30 | 2011-09-07 | 一重集团大连设计研究院有限公司 | Spray nozzle fault detection method for finely cooling device of cold rolling mill |
| CN102172642B (en) * | 2010-12-30 | 2013-01-16 | 一重集团大连设计研究院有限公司 | Spray nozzle fault detection method for finely cooling device of cold rolling mill |
| CN102284520A (en) * | 2011-08-18 | 2011-12-21 | 中冶南方工程技术有限公司 | Water mist leveling-spraying device in cold-rolling wet leveling production |
| CN102319749A (en) * | 2011-08-18 | 2012-01-18 | 中冶南方工程技术有限公司 | Water spray injection method of leveling liquid in cold milling wet leveling production |
| CN102319750A (en) * | 2011-08-18 | 2012-01-18 | 中冶南方工程技术有限公司 | Water spray leveling method in cold milling wet leveling production |
| CN102319750B (en) * | 2011-08-18 | 2013-11-20 | 中冶南方工程技术有限公司 | Water spray leveling method in cold milling wet leveling production |
| CN111957747A (en) * | 2020-07-30 | 2020-11-20 | 山东新美达科技材料有限公司 | Emulsion injection subsection opening and closing control optimization device for transverse moving vacancy of cold rolling intermediate roll |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100443206C (en) | Method of maintaining stable emulsion spraying during continuous relling of sheet | |
| CN101687236B (en) | Cooling device for cooling a metal strip | |
| CN1986093A (en) | Method and device for maintaining clean surface of strip steel in cold continuous rolling process | |
| CN101618406B (en) | Surface color difference control method for hot-rolled pickled plate | |
| CN103447322A (en) | High-pressure spraying and cleaning device for cold-rolled strip steel | |
| CN106216393A (en) | A kind of reversible mill with remaining liquid rapid purging device | |
| CN102151705B (en) | Device and method for removing oxide skins of steel belt without scouring | |
| CN202028620U (en) | Rolling mill with inside and outside blowing function | |
| CN200991719Y (en) | Device for ensuring band-steel surface clean in cold continuous rolling process | |
| CN202509137U (en) | Device for eliminating parking spot of band steel acid tank | |
| CN106513448A (en) | Finish rolling descaling method of strip steel | |
| CN201253630Y (en) | Lubrication rolling sprinkler system of hot rolled steel strip | |
| CN110893420A (en) | Rolled strip surface cleaning device | |
| JP2002121616A (en) | Method and device for dewatering high temperature plate to be cooled | |
| CN214612776U (en) | Strip steel rinsing device and strip steel acid pickling system | |
| CN102847631A (en) | Nozzle device and method for cleaning surfaces of metal strips | |
| CN210010316U (en) | Device for preventing nozzle under cooling water of hot continuous rolling production line from being blocked | |
| CN102319750B (en) | Water spray leveling method in cold milling wet leveling production | |
| CN200991703Y (en) | Emulsified liquid spraying device in course of very-thin plate continuous rolling | |
| CN211413199U (en) | Rolled strip surface cleaning device | |
| CN102728632B (en) | Method for reducing emulsion black spots on surface of cold rolling product | |
| CN101011713B (en) | Lubricating coiling method for improving surface quality of hot rolling coiling pinch roll | |
| JP3811380B2 (en) | Manufacturing method of thick steel plate by hot rolling | |
| CA2245870C (en) | Offset high-pressure water descaling system | |
| CN110193517B (en) | Lubricating device for hot rolling vertical roll |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070627 |