CN106964655A - A kind of hot-rolled intermediate billet cooling means and cooling device - Google Patents
A kind of hot-rolled intermediate billet cooling means and cooling device Download PDFInfo
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- CN106964655A CN106964655A CN201710398984.7A CN201710398984A CN106964655A CN 106964655 A CN106964655 A CN 106964655A CN 201710398984 A CN201710398984 A CN 201710398984A CN 106964655 A CN106964655 A CN 106964655A
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- temperature
- middle base
- hot
- cooling manifold
- cooling
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
- B21B37/76—Cooling control on the run-out table
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention discloses a kind of hot-rolled intermediate billet cooling means, including, 1) detect that middle base 1 is located at the temperature that roughing mill is exported；2) the cooling manifold group number for needing to open is calculated；3) according to result of calculation, the cooling manifold of respective sets number is opened；4) detect that the middle base 1 enters the temperature of finishing mill entrance, if the temperature of middle base 1 is not up to preset temperature range value, the group number of control cooling manifold is reduced；If the temperature of middle base 1 exceeds preset temperature range value, the group number increase of control cooling manifold, this method can not only reduce the alloying component of strip, reduce cost, additionally it is possible to effectively improve production efficiency and properties of product.The invention also discloses a kind of hot-rolled intermediate billet cooling device.
Description
Technical field
The present invention relates to technical field of steel rolling, more particularly to a kind of hot-rolled intermediate billet cooling means and cooling device.
Background technology
During belt steel rolling is carried out, hot rolling slab, first by heating stove heat, is centre through roughing mill rolling
After base, then the finished product thickness needed by finishing mill rolling for contract.Because mill inlet temperature requirement is less than or equal to 950
Degree Celsius, and it is general more than 1050 degrees Celsius by the temperature of the middle base after the completion of roughing mill milling train, in order to ensure finish rolling
The inlet temperature requirements of machine, general by the way of cooling is swung on the roller-way of roughing to finish rolling, the time for swinging cooling is
More than 80 seconds.
But existing swing cooling method has following defect：1) rolling rhythm is slow；2) the upper and lower surface temperature of base in the middle of
Difference is larger, and temperature is uneven, causes finish rolling rolling stability poor, easy steel scrap；3) in swing process, middle base tissue crystal grain president
Greatly, the performance of strip is influenceed.
Therefore, how a kind of hot-rolled intermediate billet cooling means is provided, the alloying component of strip can not only be reduced, reduced into
This, additionally it is possible to effectively improve production efficiency and properties of product be those skilled in the art's urgent need to resolve technical problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of hot-rolled intermediate billet cooling means, strip can not only be reduced
Alloying component, reduce cost, additionally it is possible to effectively improve production efficiency and properties of product.
To achieve the above object, the present invention provides following technical scheme：
A kind of hot-rolled intermediate billet cooling means, including,
1) base is located at the temperature that roughing mill is exported in the middle of detecting；
2) the cooling manifold group number for needing to open is calculated；
3) according to result of calculation, the cooling manifold of respective sets number is opened；
4) detect that the middle base enters the temperature of finishing mill entrance, if the temperature of the middle base is not up to default temperature
Value range is spent, controls the group number of the cooling manifold to reduce；If the temperature of the middle base, which reaches, exceeds preset temperature range value,
Controlling the group number of the cooling manifold increases.
It is preferred that, the preset temperature range value is less than or equal to 950 degrees Celsius.
A kind of hot-rolled intermediate billet cooling device, between roughing mill and finishing mill, including：
The first metal detector and the first temperature monitor of the roughing mill outlet are arranged on, and is arranged on the essence
The second metal detector and second temperature detector of inlet of rolling mill, when first metal detector detects middle base,
First temperature monitor detects the output temperature of the middle base, and the centre is detected in second metal detector
During base, the second temperature detector detects the input temp of the middle base；
Computation analysis module, the group number for calculating the cooling manifold for needing to open；
Controller, for controlling being turned on and off for the cooling manifold.
It is preferred that, described cooling manifold includes being arranged at the upper cooling manifold on the middle base top and is arranged at described
The lower cooling manifold of middle base bottom.
It is preferred that, in addition to it is arranged at the empty blow device of pressure on the middle base top.
It is preferred that, the pressure of air is 0.3Mpa in the empty blow device of pressure.
It is preferred that, in addition to it is arranged at the side spray collector on the middle base top.
It is preferred that, first temperature monitor and first metal detector are integrated integrated, the second temperature
Detector and second metal detector are integrated integrated.
As can be seen from the above technical solutions, the hot-rolled intermediate billet cooling means disclosed in the embodiment of the present invention, including, 1)
Base 1 is located at the temperature that roughing mill is exported in the middle of detection；2) the cooling manifold group number for needing to open is calculated；3) according to result of calculation,
Open the cooling manifold of respective sets number；4) detect that the middle base 1 enters the temperature of finishing mill entrance, if the temperature of middle base 1
Degree is not up to preset temperature range value, and the group number of control cooling manifold is reduced；If the temperature of middle base 1 exceeds preset temperature model
Enclose value, the group number increase of control cooling manifold.
When middle base, which is located at roughing mill, to be exported, when the first metal detector detects middle base, the first temperature monitor
The output temperature of base in the middle of detection, and feed back information to computation analysis module, computation analysis module is according to the temperature value of detection
With the temperature difference of preset temperature value, the group number for analyzing the cooling manifold for needing to open is calculated, while the first metal detector will
The location transmission of middle base is opened to controller, controller control cooling manifold, middle base is cooled down；When middle base enters
During to finishing mill entrance, when the second metal detector detects middle base, the input temperature of base in the middle of the detection of second temperature detector
Degree, feed back information to computation analysis module, computation analysis module according to the temperature value of detection and the temperature difference of preset temperature value,
The group number for the cooling manifold for needing to open is calculated, if the temperature for detecting middle base is not up to preset temperature range value, control
The group number of device control cooling manifold is reduced, if the temperature for detecting middle base exceeds preset temperature range value, controller control
The group number of cooling manifold subtracts increase, when middle base leaves the second metal detector, and controller control cooling manifold is closed.The party
Method can not only reduce the alloying component of strip, reduce cost, additionally it is possible to effectively improve production efficiency and properties of product.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below to embodiment or existing
The accompanying drawing used required in technology description is briefly described, it is clear that, drawings in the following description are only this hair
Bright embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to carrying
The accompanying drawing of confession obtains other accompanying drawings.
Fig. 1 is the schematic flow sheet of the hot-rolled intermediate billet cooling means disclosed in the embodiment of the present invention；
Fig. 2 is the structural representation of the hot-rolled intermediate billet cooling device disclosed in the embodiment of the present invention.
Wherein, the specific name of each part is as follows：
Base in the middle of 1-, the temperature monitors of 21- first, 22- second temperature detectors, the metal detectors of 31- first, 32- the
Cooling manifold under two metal detectors, the empty blow device of 4- pressures, 5- side spray collectors, the upper cooling manifolds of 61-, 62-.
Embodiment
In view of this, core of the invention is to provide a kind of hot-rolled intermediate billet cooling means, can not only reduce strip
Alloying component, reduce cost, additionally it is possible to effectively improve production efficiency and properties of product.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
As shown in figure 1, the hot-rolled intermediate billet cooling means disclosed in the embodiment of the present invention, including,
1) base 1 is located at the temperature that roughing mill is exported in the middle of detecting；
2) the cooling manifold group number for needing to open is calculated；
3) according to result of calculation, the cooling manifold of respective sets number is opened；
4) detect that the middle base 1 enters the temperature of finishing mill entrance, if the temperature of middle base 1 is not up to preset temperature
Value range, the group number of control cooling manifold is reduced；If the temperature of middle base 1 exceeds preset temperature range value, control cooling collection
The group number increase of pipe.
When middle base 1, which is located at roughing mill, to be exported, when the first metal detector 31 detects middle base 1, the inspection of the first temperature
Survey instrument 21 and detect the output temperature of middle base 1, and feed back information to computation analysis module, computation analysis module is according to detection
The temperature difference of temperature value and preset temperature value, calculates the group number for analyzing the cooling manifold for needing to open, while the first metal is examined
Instrument 31 is surveyed by the location transmission of middle base 1 to controller, controller control cooling manifold is opened, middle base is cooled down；When
When middle base 1 enters finishing mill entrance, when the second metal detector 32 detects middle base 1, second temperature detector 22 is examined
The input temp of base 1, feeds back information to computation analysis module in the middle of surveying, computation analysis module according to the temperature value of detection with it is pre-
If the temperature difference of temperature value, calculate need open cooling manifold group number, if the temperature for detecting middle base 1 be not up to it is pre-
If temperature range value, the group number of controller control cooling manifold is reduced, if the temperature for detecting middle base 1 exceeds preset temperature
Value range, the group number increase of controller control cooling manifold, when middle base 1 leaves the second metal detector 32, controller control
Cooling manifold processed is closed.This method can not only reduce the alloying component of strip, reduce cost, additionally it is possible to effectively improve production effect
Rate and properties of product.
It should be noted that the preset temperature range disclosed in the embodiment of the present invention is less than or equal to 950 degrees Celsius.
The embodiment of the invention discloses a kind of hot-rolled intermediate billet cooling device, between roughing mill and finishing mill, including
The first metal detector 31 and the first temperature monitor 21 of roughing mill outlet are arranged on, and is arranged on the of finishing mill entrance
Two metal detectors 32 and second temperature detector 22, when the first metal detector 31 detects the middle base 1, the first temperature
Degree detector 31 detects the output temperature of middle base 1, when the second metal detector 32 detects middle base 1, second temperature inspection
Survey the input temp that instrument 22 detects middle base 1；
Computation analysis module, the group number for calculating the cooling manifold for needing to open；
Controller, for controlling being turned on and off for cooling manifold.
When middle base 1, which is located at roughing mill, to be exported, when the first metal detector 31 detects middle base 1, the inspection of the first temperature
Survey instrument 21 and detect the output temperature of middle base 1, and feed back information to computation analysis module, computation analysis module is according to detection
The temperature difference of temperature value and preset temperature value, calculates the group number for analyzing the cooling manifold for needing to open, while the first metal is examined
Instrument 31 is surveyed by the location transmission of middle base 1 to controller, controller control cooling manifold is opened, middle base is cooled down；When
When middle base 1 enters finishing mill entrance, when the second metal detector 32 detects middle base 1, second temperature detector 22 is examined
The input temp of base 1, feeds back information to computation analysis module in the middle of surveying, computation analysis module according to the temperature value of detection with it is pre-
If the temperature difference of temperature value, calculate need open cooling manifold group number, if the temperature for detecting middle base 1 be not up to it is pre-
If temperature range value, it is controlled to control the group number of cooling manifold to reduce, if the temperature for detecting middle base 1 exceeds preset temperature
Value range, the group number increase of controller control cooling manifold, when middle base 1 leaves the second metal detector 32, controller control
Cooling manifold processed is closed.The device can not only reduce the alloying component of strip, reduce cost, additionally it is possible to effectively improve production effect
Rate and properties of product.
It is to be understood that cooling manifold includes being arranged at the upper cooling manifold 61 on the middle top of base 1 and is arranged at centre
The lower cooling manifold 62 of base bottom, when middle base 1 from cooling manifold by when, the upper cooling manifold 61 of controller control and under it is cold
But collector 62 is opened simultaneously, and cooling water temperature is carried out to middle base 1, can be to middle base 1 by the way of cool up and down simultaneously
Carry out fast cooling so that the temperature of middle base 1 is reached in preset temperature range value.
Intermediate blank cooling device disclosed in the embodiment of the present invention, in addition to it is arranged at the pressure sky purging on the middle top of base 1
Device 4 is, it is necessary to which the pressure of air is 0.3Mpa in explanation, the empty blow device 4 of pressure.The empty blow device 4 of pressure can effectively blow
Sweep the ponding on the middle surface of base 1.
In order to be further ensured that purging effect, the device also includes the side spray collector 5 for being arranged at the middle top of base 1, uses
The empty 5 two kinds of devices of blow device 4 and side spray collector of pressure are purged to the middle surface of base 1 simultaneously, can effectively remove middle base 1
The ponding on surface, and then ensure the first temperature monitor 21, the metal detector 31 of second temperature detector 22 and first, the second gold medal
Belong to the normal work of detector 32.
It should be noted that the first temperature monitor 21 and the first metal detector 31 can be integrated, it can also divide
Open up and put, the metal detector 32 of second temperature detector 22 and second can be integrated, and can also be provided separately, excellent herein
The setting form for selecting the first temperature monitor 21 and the second metal detector 31 to integrate, second temperature detector 22 and second
The setting form that metal detector 32 is integrated, can effectively save space.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of hot-rolled intermediate billet cooling means, it is characterised in that including,
1) base (1) is located at the temperature that roughing mill is exported in the middle of detecting；
2) the cooling manifold group number for needing to open is calculated；
3) according to result of calculation, the cooling manifold of respective sets number is opened；
4) detect that the middle base (1) enters the temperature of finishing mill entrance, if the temperature of the middle base (1) be not up to it is default
Temperature range value, controls the group number of the cooling manifold to reduce；If the temperature of the middle base (1) exceeds the preset temperature
Value range, controls the group number increase of the cooling manifold.
2. hot-rolled intermediate billet cooling means according to claim 1, it is characterised in that the preset temperature range value is small
In equal to 950 degrees Celsius.
3. a kind of hot-rolled intermediate billet cooling device, between roughing mill and finishing mill, it is characterised in that including：
The first metal detector (31) and the first temperature monitor (21) of the roughing mill outlet are arranged on, and is arranged on institute
The second metal detector (32) and second temperature detector (22) of finishing mill entrance are stated, in first metal detector (31)
When detecting middle base (1), first temperature monitor (21) detects the output temperature of the middle base (1), described the
When two metal detectors (32) detect middle base (1), the second temperature detector (22) detects the middle base (1)
Input temp；
Computation analysis module, the group number for calculating the cooling manifold for needing to open；
Controller, for controlling being turned on and off for the cooling manifold.
4. hot-rolled intermediate billet cooling device according to claim 3, it is characterised in that described cooling manifold includes setting
In middle base (1) top upper cooling manifold (61) and be arranged at the lower cooling manifold (62) of the middle base bottom.
5. hot-rolled intermediate billet cooling device according to claim 3, it is characterised in that also including being arranged at the middle base
(1) the empty blow device (4) of the pressure on top.
6. hot-rolled intermediate billet cooling device according to claim 5, it is characterised in that in the empty blow device (4) of the pressure
The pressure of air is 0.3Mpa.
7. hot-rolled intermediate billet cooling device according to claim 3, it is characterised in that also including being arranged at the middle base
(1) the side spray collector (5) on top.
8. hot-rolled intermediate billet cooling device according to claim 3, it is characterised in that first temperature monitor (21)
Integrated, the second temperature detector (22) and second metal detector are integrated with first metal detector (31)
(32) it is integrated integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710398984.7A CN106964655A (en) | 2017-05-31 | 2017-05-31 | A kind of hot-rolled intermediate billet cooling means and cooling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710398984.7A CN106964655A (en) | 2017-05-31 | 2017-05-31 | A kind of hot-rolled intermediate billet cooling means and cooling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097728A (en) * | 2017-12-15 | 2018-06-01 | 二重（德阳）重型装备有限公司 | The control method of base cooling water inflow among aluminium alloy |
| CN114260320A (en) * | 2020-09-16 | 2022-04-01 | 宝山钢铁股份有限公司 | Intermediate cooling control method for overcoming temperature deviation of medium plate heating furnace |
| CN114985489A (en) * | 2022-05-12 | 2022-09-02 | 首钢京唐钢铁联合有限责任公司 | Method for improving cooling efficiency of intermediate blank |
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