CN204842489U - Online phosphorus removal device of black strip roughing district's secondary - Google Patents
Online phosphorus removal device of black strip roughing district's secondary Download PDFInfo
- Publication number
- CN204842489U CN204842489U CN201520468107.9U CN201520468107U CN204842489U CN 204842489 U CN204842489 U CN 204842489U CN 201520468107 U CN201520468107 U CN 201520468107U CN 204842489 U CN204842489 U CN 204842489U
- Authority
- CN
- China
- Prior art keywords
- dephosphorization
- roughing
- online
- shower nozzle
- 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.)
- Expired - Fee Related
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 title abstract description 5
- 239000011574 phosphorus Substances 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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- Metal Rolling (AREA)
Abstract
The utility model relates to a hot rolling field especially relates to a black strip surface phosphorus removal device. A heating furnace, roughing dephosphorization case, roughing frame group, finish rolling dephosphorization case and finish rolling frame group have been arranged in proper order to the direction of advance of online phosphorus removal device of black strip roughing district's secondary, according to the steel sheet be provided with the online calibrator of belted steel between roughing dephosphorization case and the roughing frame group, be provided with secondary dephosphorization shower nozzle between online calibrator of belted steel and the roughing frame group, the online calibrator of belted steel links to each other with the controller, controller control connection secondary dephosphorization shower nozzle. The utility model discloses utilize the forge scale piece of calibrator discovery secondary fall -back after the rise, then clear away with secondary dephosphorization shower nozzle, secondary dephosphorization shower nozzle is normally closed state and only in the upper surface setting, the reduction of maximum possible the working water jet capacity, reduce belted steel influence of temperature, both guarantee belted steel surface quality, and can guarantee the stability of rolling precision again, improved the wholeness ability of belted steel.
Description
Technical field
The utility model relates to hot rolling field, particularly relates to a kind of Surfaces of Hot Rolled Strip dephosphorization apparatus.
Background technology
When being with steel to be used for Important Project or the high field of the surface requirements such as automobile, household electrical appliances, high requirement is just had for Surfaces of Hot Rolled Strip quality control; Surfaces of Hot Rolled Strip has not allowed obvious iron scale to be pressed into defect under normal circumstances.Be all utilize high-pressure spray to spray dephosphorization in prior art, before pony roughing mill group and finishing stand group, be all provided with the iron scale that a dephosphorization case removes belt steel surface avoid forming impression in the operation of rolling; Find during actual production, often residual a part of iron scale chip in dephosphorization case, this part chip can splash down back surface of steel plate, will be pressed into band steel like this, become secondary and be pressed into iron scale, have impact on product quality through rolling first frame.
Summary of the invention
Technical problem to be solved in the utility model is to provide the online dephosphorization apparatus of a kind of hot-strip roughing district secondary, and this device utilizes calibrator to find the iron scale fragment that secondary falls after rise, then removes with secondary dephosphorization shower nozzle; Secondary dephosphorization shower nozzle be normally off and only upper surface arrange, maximum possible decrease injection flow rate, reduce the impact on belt steel temperature; Both ensure that strip surface quality, the stability of rolling accuracy can be ensured again, improve the overall performance of band steel.
The utility model is achieved in that the online dephosphorization apparatus of a kind of hot-strip roughing district secondary, heating furnace, roughing dephosphorization case, pony roughing mill group, finish rolling dephosphorization case and finishing stand group has been disposed in order according to the direction of advance of steel plate, be provided with between described roughing dephosphorization case and pony roughing mill group and be with steel thickness measurement online instrument, secondary dephosphorization shower nozzle is provided with between described band steel thickness measurement online instrument and pony roughing mill group, described band steel thickness measurement online instrument is connected with controller, described controller control connection secondary dephosphorization shower nozzle.
Also crop shears are provided with between described pony roughing mill group and finish rolling dephosphorization case.
Described secondary dephosphorization shower nozzle is positioned at the upper surface of steel plate.
In described pony roughing mill group every two adjacent passages pony roughing mill between be all provided with one group of dephosphorization winding-up mouth.
In described finishing stand group every two adjacent passages finishing stand between be all provided with one group of dephosphorization winding-up mouth.
Secondary online dephosphorization apparatus in the utility model hot-strip roughing district utilizes calibrator to find the iron scale fragment that secondary falls after rise, then removes with secondary dephosphorization shower nozzle; Secondary dephosphorization shower nozzle be normally off and only upper surface arrange, maximum possible decrease injection flow rate, reduce the impact on belt steel temperature; Both ensure that strip surface quality, the stability of rolling accuracy can be ensured again, improve the overall performance of band steel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the online dephosphorization apparatus of the utility model hot-strip roughing district secondary.
In figure: 1 steel plate, 2 heating furnaces, 3 roughing dephosphorization casees, 4 pony roughing mill groups, 5 finish rolling dephosphorization casees, 6 finishing stand groups, 7 band steel thickness measurement online instrument, 8 two dephosphorization shower nozzles, 9 controllers, 10 crop shears, 11 dephosphorization winding-up mouths.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model statement.
Embodiment 1
As shown in Figure 1, the online dephosphorization apparatus of a kind of hot-strip roughing district secondary, heating furnace 2, roughing dephosphorization case 3, pony roughing mill group 4, finish rolling dephosphorization case 5 and finishing stand group 6 has been disposed in order according to the direction of advance of steel plate 1, be provided with between described roughing dephosphorization case 3 and pony roughing mill group 4 and be with steel thickness measurement online instrument 7, secondary dephosphorization shower nozzle 8 is provided with between described band steel thickness measurement online instrument 7 and pony roughing mill group 4, described band steel thickness measurement online instrument 7 is connected with controller 9, described controller 9 control connection secondary dephosphorization shower nozzle 8.
In the utility model, between described pony roughing mill group 4 and finish rolling dephosphorization case 5, be also provided with crop shears 10, excise band steel toe tail part in irregular shape by crop shears 10, to improve the stability of band steel finish rolling quality.
In the present embodiment, in order to reduce injection flow rate, reducing secondary dephosphorization to the impact of steel plate 1 temperature, and then affecting finish rolling quality stability, described secondary dephosphorization shower nozzle 8 is positioned at the upper surface of steel plate 1, because the iron scale chip that the overwhelming majority is splashed down only can stay the upper surface of steel plate 1.
In the utility model, in described pony roughing mill group 4 every two adjacent passages pony roughing mill between be all provided with one group of dephosphorization winding-up mouth 11, the iron oxide that phosphorus winding-up mouth 11 produces in frame for removing steel plate 1 in time.
In the utility model, in described finishing stand group 6 every two adjacent passages finishing stand between be all provided with one group of dephosphorization winding-up mouth 11, the iron oxide that phosphorus winding-up mouth 11 produces in frame for removing steel plate 1 in time.
Claims (5)
1. the online dephosphorization apparatus of hot-strip roughing district secondary, heating furnace (2) has been disposed in order according to the direction of advance of steel plate (1), roughing dephosphorization case (3), pony roughing mill group (4), finish rolling dephosphorization case (5) and finishing stand group (6), it is characterized in that: be provided with between described roughing dephosphorization case (3) and pony roughing mill group (4) and be with steel thickness measurement online instrument (7), secondary dephosphorization shower nozzle (8) is provided with between described band steel thickness measurement online instrument (7) and pony roughing mill group (4), described band steel thickness measurement online instrument (7) is connected with controller (9), described controller (9) control connection secondary dephosphorization shower nozzle (8).
2. secondary online dephosphorization apparatus in hot-strip roughing district as claimed in claim 1, is characterized in that: be also provided with crop shears (10) between described pony roughing mill group (4) and finish rolling dephosphorization case (5).
3. secondary online dephosphorization apparatus in hot-strip roughing district as claimed in claim 1 or 2, is characterized in that: described secondary dephosphorization shower nozzle (8) is positioned at the upper surface of steel plate (1).
4. the online dephosphorization apparatus of hot-strip roughing district secondary as claimed in claim 3, is characterized in that: in described pony roughing mill group (4) every two adjacent passages pony roughing mill between be all provided with one group of dephosphorization winding-up mouth (11).
5. the online dephosphorization apparatus of hot-strip roughing district secondary as claimed in claim 3, is characterized in that: in described finishing stand group (6) every two adjacent passages finishing stand between be all provided with one group of dephosphorization winding-up mouth (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468107.9U CN204842489U (en) | 2015-06-28 | 2015-06-28 | Online phosphorus removal device of black strip roughing district's secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468107.9U CN204842489U (en) | 2015-06-28 | 2015-06-28 | Online phosphorus removal device of black strip roughing district's secondary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842489U true CN204842489U (en) | 2015-12-09 |
Family
ID=54733086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520468107.9U Expired - Fee Related CN204842489U (en) | 2015-06-28 | 2015-06-28 | Online phosphorus removal device of black strip roughing district's secondary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204842489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138522A (en) * | 2017-04-27 | 2017-09-08 | 邢台钢铁有限责任公司 | A kind of production method of Cr-containing cold heading steel hot-rolled wire that is easy to pickle after annealing |
| CN110479762A (en) * | 2019-08-15 | 2019-11-22 | 武汉钢铁有限公司 | A fully continuous production device and method for hot-rolled strip steel for ferritic rolling |
-
2015
- 2015-06-28 CN CN201520468107.9U patent/CN204842489U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138522A (en) * | 2017-04-27 | 2017-09-08 | 邢台钢铁有限责任公司 | A kind of production method of Cr-containing cold heading steel hot-rolled wire that is easy to pickle after annealing |
| CN110479762A (en) * | 2019-08-15 | 2019-11-22 | 武汉钢铁有限公司 | A fully continuous production device and method for hot-rolled strip steel for ferritic rolling |
| CN110479762B (en) * | 2019-08-15 | 2020-10-30 | 武汉钢铁有限公司 | Hot-rolled strip steel full-continuous production device and method for ferrite rolling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |