CN108645233A - A method of it reduces and heats the time to be rolled - Google Patents
A method of it reduces and heats the time to be rolled Download PDFInfo
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- CN108645233A CN108645233A CN201810464766.3A CN201810464766A CN108645233A CN 108645233 A CN108645233 A CN 108645233A CN 201810464766 A CN201810464766 A CN 201810464766A CN 108645233 A CN108645233 A CN 108645233A
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- heating
- rolled
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- furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Heat Treatment Processes (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to metallurgical technology field more particularly to it is a kind of reducing the method for heating time to be rolled, the method includes：Determine the quantity of the heating furnace for heating steel billet to be rolled, and the heating time of each heating furnace；According to the heating temperature of the steel billet to be rolled and average interval time to be rolled and the heating time, the heating total time of each heating furnace is determined；According to the heating total time of the heating furnace, determine the heating furnace in soaking zone, the furnace temperature of the first bringing-up section and the second bringing-up section and heating time respectively；According to the heating furnace in soaking zone, the furnace temperature of the first bringing-up section and the second bringing-up section and heating time, determine the heating furnace in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section.The present invention can efficiently reduce the time to be rolled, and then can improve billet quality.
Description
Technical field
The present invention relates to metallurgical technology field more particularly to a kind of methods reducing the heating time to be rolled.
Background technology
Heater for rolling steel is the main energy consumption equipment of rolling system, accounts for the 60~70% of steel rolling energy consumption, is steel rolling process
Energy saving emphasis.With the requirement of steel products quality in recent years, steel rolling heating is more and more important, and the purpose of blank heating is to make blank
Reach the required Temperature Distribution of rolling when coming out of the stove, during normal production, heating furnace is in a kind of relatively stable states or dynamic is flat
Weighing apparatus.Many dynamic factors can cause heating furnace that cannot run under stationary conditions, wherein to be rolled is exactly one in furnace operation
A typical dynamic process.Once to be rolled occur, original balance will not exist, and heating furnace output sports zero.When to be rolled,
Blank no longer moves in stove, if heating system does not make the appropriate adjustments, blank temperature will constantly rise, this will not only cause to fire
Material waste will also lead to more oxidation and decarburization, and seriously affect heating steel billet quality.
The prior art during the rolling process, due to milling train overhaul and be delayed rolling and so on, there are blank heatings
The problem of time to be rolled increases thereby results in steel rolling heating unit consumption and increases, and steel billet burning causes oxidization burning loss to be significantly increased, sternly
The quality of steel billet is affected again.
Invention content
In view of the above problems, it is proposed that the present invention overcoming the above problem in order to provide one kind or solves at least partly
State the method that the time to be rolled is heated in the reduction of problem.
The embodiment of the present invention provides a kind of method for reducing and heating the time to be rolled, the method includes：
Determine the quantity of the heating furnace for heating steel billet to be rolled, and the heating time of each heating furnace；
According to the heating temperature of the steel billet to be rolled and average interval time to be rolled and the heating time, determine every
The heating total time of a heating furnace；
According to the heating total time of the heating furnace, determine the heating furnace in soaking zone, the first bringing-up section and the respectively
The furnace temperature of two bringing-up sections and heating time；
According to the heating furnace in soaking zone, the furnace temperature of the first bringing-up section and the second bringing-up section and heating time, institute is determined
Heating furnace is stated in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section.
Preferably, further include：
During the rolling process, the running parameter fluctuation range for controlling the heating furnace is less than or equal to 4%.
Preferably, the running parameter includes：In gas flow, air mass flow, flue gas flow, pressure, temperature and furnace temperature
At least one parameter.
Preferably, further include：
2~5 minutes after beginning to be rolled, furnace temperature 10~20 DEG C of the reduction per minute of the heating furnace is controlled.
Preferably, further include：
3~5 minutes before end to be rolled, furnace temperature 10~20 DEG C of the raising per minute of the heating furnace is controlled.
Preferably, further include：
It is 5~10 minutes when the time to be rolled, the gas flow for controlling the soaking zone of the heating furnace reduces 4~20%, with
And the furnace temperature of the control heating furnace reduces by 30~50 DEG C.
Preferably, further include：
When the time to be rolled be 10~15 minutes, control tapping the most heating furnace of quantity tapping quantity reduce by 10~
15%, and the gas flow reduction by 20~30% of the tapping most heating furnace of quantity is controlled, and control tapping quantity is most
Heating furnace furnace temperature reduce by 50~100 DEG C.
Preferably, further include：
It it is 15~30 minutes when the time to be rolled, the heating furnace of control tapping minimum number is stopped.
Preferably, further include：
When the time to be rolled is small more than 1, soaking zone, the first bringing-up section and the second bringing-up section of the heating furnace are controlled respectively
Furnace temperature respectively reduce by 200~300 DEG C, heat preservation wait for stove.
One or more of embodiment of the present invention technical solution, has at least the following technical effects or advantages：
The present invention determines the quantity of heating furnace for heating steel billet to be rolled first, and each heating furnace heating when
Between, then, according to the heating temperature of steel billet to be rolled and average interval time and heating time to be rolled, determine each heating furnace
Heating total time, and, according to the heating total time of heating furnace, respectively determine heating furnace soaking zone, the first bringing-up section and
The furnace temperature of second bringing-up section and heating time, and, according to heating furnace in soaking zone, the stove of the first bringing-up section and the second bringing-up section
The mild heat time determines that heating furnace in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section, effectively reduces
Time to be rolled, and then billet quality can be improved.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, identical component is indicated with identical reference pattern.In the accompanying drawings：
Fig. 1 shows the flow chart that the method for heating the time to be rolled is reduced in the embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of rolling system in the embodiment of the present invention.
Fig. 3 shows the structural schematic diagram of the rolling system comprising data line in the embodiment of the present invention.
Wherein, 11 be the first heating furnace, and 12 be the second heating furnace, and 13 be third heating furnace, and 14 be the 4th heating furnace, and 2 are
Roughing mill, 3 be finishing mill, and 4 be industrial personal computer, and 5 be soaking zone parameter acquisition branch line, and 6 be the first bringing-up section parameter acquisition branch
Line, 7 be the second bringing-up section parameter acquisition branch line, and 8 be data connection branch line, and 9 be data data acquisition bus, and 10 is total for data control
Line.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
The embodiment of the present invention provides a kind of method for reducing and heating the time to be rolled, as shown in Figure 1, the method includes：
Step 101：Determine the quantity of the heating furnace for heating steel billet to be rolled, and the heating time of each heating furnace.
Specifically, heating furnace can be determined according to the tapping total amount of steel billet to be rolled and the tapping quantity of single heating furnace
Quantity, specifically, can according to formula one determine operation heating furnace quantity：
Wherein, PoFor the tapping total amount of steel billet to be rolled, unit kg, PmFor the tapping quantity of single heating furnace, unit is
Kg, n are the quantity of the heating furnace of operation.
Meanwhile the tapping quantity of can per hour be tapped according to each heating furnace quantity and the heating furnace, determine each add
The heating time of hot stove specifically can determine the heating time of each heating furnace according to formula two：
Wherein, tiFor the heating time of i-th of heating furnace, unit h, PiFor i-th of heating furnace tapping number hourly
Amount, unit kg/h, PmFor the tapping quantity of single heating furnace, unit kg.
It should be noted that in embodiments of the present invention, the tapping quantity all same of all heating furnaces.In addition, of the invention
A specific embodiment is provided, in this specific embodiment, the quantity of heating furnace is 4, and therefore, i takes 1~4 successively.
Step 102：When according to the heating temperature of the steel billet to be rolled and average interval time to be rolled and the heating
Between, determine the heating total time of each heating furnace.Wherein, it heats heating time of the total time based on heating furnace and waits for steel rolling
The average interval to be rolled of base determines.
Specifically, the heating total time of each heating furnace can be determined according to formula three：
Wherein, tziFor the heating total time of i-th of heating furnace, unit h, WgFor the heating temperature of steel billet to be rolled, unit
For DEG C, Δ tdFor the average interval to be rolled of steel billet to be rolled, unit min.
Step 103：According to the heating total time of the heating furnace, determine that the heating furnace adds in soaking zone, first respectively
The furnace temperature and heating time of hot arc and the second bringing-up section.
Specifically, according to the heating total time of each heating furnace, determine that each heating furnace adds in soaking zone, first respectively
The furnace temperature and heating time of hot arc and the second bringing-up section specifically determine furnace temperature and heating time using following one group of formula：
Wherein, WaFor the furnace temperature of the soaking zone of heating furnace, Wj1For the furnace temperature of the first bringing-up section of heating furnace, Wj2For heating furnace
The second bringing-up section furnace temperature, the unit of furnace temperature is DEG C tjiFor the soaking zone of heating furnace, the first bringing-up section and the second bringing-up section
Heating time, unit min.
Step 104：According to the heating furnace in the stove mild heat of soaking zone, the first bringing-up section and the second bringing-up section
Between, determine the heating furnace in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section.
Specifically, heating furnace can be determined in soaking zone, the coal of the first bringing-up section and the second bringing-up section according to formula five
Throughput；
Wherein, VmFor the gas flow of either segment in soaking zone, the first bringing-up section and the second bringing-up section, unit m3/ h, k
For correction factor, QmFor the low heating value of coal gas, unit kJ/m3, CmFor coal gas specific heat, unit is kJ/ (m3DEG C), WiFor with Vm
Corresponding one section of furnace temperature, unit are DEG C.
In embodiments of the present invention, during the rolling process, under normal circumstances, each heating furnace is handed over according to setting time successively
For tapping, the time to be rolled should control within 2 minutes, meanwhile, the running parameter fluctuation range of heating furnace is less than or equal to 4%,
Wherein, running parameter includes at least one of gas flow, air mass flow, flue gas flow, pressure, temperature and furnace temperature parameter.
And in the case where occurring to be rolled, 2~5 minutes after beginning to be rolled, control the furnace temperature reduction per minute of heating furnace
10~20 DEG C.3~5 minutes before end to be rolled, furnace temperature 10~20 DEG C of the raising per minute of heating furnace is controlled, wherein when heating
It can heat up according to linear scale.
Further, it is 5~10 minutes when the time to be rolled, the gas flow for controlling the soaking zone of heating furnace reduces 4~20%,
And the furnace temperature of control heating furnace reduces by 30~50 DEG C.
Further, it is 10~15 minutes when the time to be rolled, the tapping quantity of the control tapping most heating furnace of quantity reduces
10~15%, and the gas flow reduction by 20~30% of the tapping most heating furnace of quantity is controlled, and control tapping quantity
The furnace temperature of most heating furnaces reduces by 50~100 DEG C.It should be noted that when there are multiple heating furnaces, it is first determined go out out
The most heating furnace of steel quantity is target heating furnace, and then the tapping quantity of control targe heating furnace reduces by 10~15%, coal gas
Flow-reduction 20~30% and furnace temperature reduce by 50~100 DEG C, and when only there are one when heating furnace, being then determined as the heating furnace
Target heating furnace, and execute control process similar to the above.
Further, it is 15~30 minutes when the time to be rolled, the heating furnace of control tapping minimum number is stopped.Meanwhile
Reset the work in every parameter of the heating furnace of operation.
Further, when the time to be rolled is small more than 1, the soaking zone of heating furnace is controlled respectively, the first bringing-up section and second adds
The furnace temperature of hot arc respectively reduces by 200~300 DEG C, and heat preservation waits for stove.
The present invention provides a specific embodiment and treats steel rolling base in this embodiment using 4 heating furnaces and added below
Heat, 4 heating furnaces intersect tapping, and the tapping timetable of 4 heating furnaces is referring to following table one.
Table one
Meanwhile by taking the operational parameter control of the first heating furnace 1 in above-described embodiment as an example, the operation of the first heating furnace 1
Control parameter such as following table two：
Table two
For above-described embodiment, in normal rolling, the first heating furnace 1, the second heating furnace 2,3 and of third heating furnace
4th heating furnace 4 is alternately tapped according to setting time successively, coal gas, air, flue gas flow, pressure and temperature, furnace temperature fluctuation model
It encloses and does not surpass 4%, it is to be rolled in generation, start 2~5 minutes to be rolled, controls the furnace temperature reduction per minute of each heating furnace
10~20 DEG C, 3~5 minutes before end to be rolled, control furnace temperature 10~20 DEG C of the raising per minute of each heating furnace；When to be rolled
Between be 5~10 minutes, reduce the soaking of the first heating furnace 1, the second heating furnace 2, third heating furnace 3 and the 4th heating furnace 4 successively
The gas flow 4%~20% of section reduces by 30~50 DEG C of furnace temperature；It is 10 minutes~15 minutes between being waited for when to be rolled, reduces first
The tapping number of heating furnace in heating furnace 1, the second heating furnace 2, third heating furnace 3 and the 4th heating furnace 4 more than hour tapping quantity
Amount, gas flow reduce by 20%~30%, reduce by 50~100 DEG C of furnace temperature；It is 15 minutes~30 minutes between being waited for when to be rolled, stops
A heating furnace in the first heating furnace 1, the second heating furnace 2, third heating furnace 3 and the 4th heating furnace 4 is run, is set again with this
Surely tapping quantity, time and the speed of the heating furnace run heat total time, soaking zone, the first bringing-up section and the second bringing-up section
Furnace temperature and heating time and gas flow；When the time to be rolled surpass one it is small when more than, the first heating furnace 1, the second heating furnace 2,
The soaking zone of three heating furnaces 3 and the 4th heating furnace 4, the first bringing-up section and the second bringing-up section furnace temperature reduce by 200~300 DEG C of guarantors respectively
Temperature waits for stove.
In embodiments of the present invention, the operating parameter of heating furnace is realized by industrial personal computer control software and is controlled to adjust.
The present invention effectively reduces the time to be rolled by control strategy to be rolled, adjusts the operating parameter of heating furnace in time, to
It ensure that heating of the blank with rolling demand, ensure rolling quality.By the timely adjustment of the parameters such as gas flow and furnace temperature, have
Effect reduces fuel consumption caused by load burning, to reach the target for reducing Unit Consumption of Furnace and improving the efficiency of heating surface.Pass through
Control to be rolled can effectively reduce blank burning or overheat with the timely adjustment of time to be rolled, and the oxidation to reduce blank is burnt
Damage, realizes the raising of lumber recovery.Meanwhile control process is simple, it is efficient and convenient.
The present invention also provides a kind of rolling systems for the method heating the time to be rolled using above-mentioned reduction below, such as Fig. 2 institutes
Show, which includes multiple heating furnaces, roughing mill 2, finishing mill 3 and industrial personal computer 4, and multiple heating furnaces are for treating steel rolling base
It is heated, roughing mill 2 is arranged in the exit of multiple heating furnaces, and finishing mill 3 is arranged in the exit of roughing mill 2, heating furnace
It is connected by data line between industrial personal computer 4, after multiple heating furnaces are treated and roll heating steel billet, is utilized respectively roughing mill 2 and essence
Milling train 3 treats the progress roughing of steel rolling base and finish rolling, industrial personal computer 4 acquire the operating parameter of multiple heating furnaces by data line, and right
Operating parameter is controlled.
The application by increasing multiple heating furnaces in rolling system, and by the operating parameter to multiple heating furnaces into
Row is adjusted respectively can efficiently reduce the time to be rolled, and then can improve billet quality.Simultaneously, additionally it is possible to reduce fuel and disappear
Consumption reduces unit consumption, improves the efficiency of heating surface, reduces oxidization burning loss, improves lumber recovery, and the control process in system is simple, fast
Victory is convenient.
Specifically, in embodiments of the present invention, the heating furnace in rolling system can be increased to 4, respectively
One heating furnace 11, the second heating furnace 12, third heating furnace 13 and the 4th heating furnace 14.The operating parameter of heating furnace includes Gas Flow
At least one of amount, air mass flow, flue gas flow, pressure, furnace temperature and residual oxygen.Data line includes soaking zone parameter acquisition branch
Line 5, the first bringing-up section parameter acquisition branch line 6, the second bringing-up section parameter acquisition branch line 7, data connection branch line 8, data are adopted
Collect bus 9 and data control bus 10, a heating furnace corresponds to 5, one first heating of a soaking zone parameter acquisition branch line
Section parameter acquisition branch line 6, second bringing-up section parameter acquisition branch lines, 7, data connection branch lines 8 and a data are adopted
Collect bus 9, the soaking zone of heating furnace is connect with the first end of data connection branch line 8 by soaking zone parameter acquisition branch line 5, added
First bringing-up section of hot stove is connect by the first bringing-up section parameter acquisition branch line 6 with the first end of data connection branch line 8, heating
Second bringing-up section of stove is connect by the second bringing-up section parameter acquisition branch line 7 with the first end of data connection branch line 8, and data connect
The second end for connecing branch line 8 is connect by data data acquisition bus 9 with the first end of data control bus 10, data control bus 10
Second end is connect with industrial personal computer 4.When rolling system is there are when 4 heating furnaces, then rolling system includes 4 soaking zone parameter acquisitions
7,4 data connections of the second bringing-up section parameter acquisition branch line of the first bringing-up section parameter acquisition branch line 6,4 of branch line 5,4
8,4 data data acquisition bus 9 of branch line and a data control bus 10, connection relation is as shown in Figure 3.
Further, rolling system of the invention can also include dephosphorization apparatus and flying shear, and dephosphorization apparatus is arranged in heating furnace
Between roughing mill 2.Flying shear is arranged between roughing mill 2 and finishing mill 3.
In short, the present invention determines the quantity of heating furnace for heating steel billet to be rolled first, and each heating furnace plus
The hot time then according to the heating temperature of steel billet to be rolled and average interval time and heating time to be rolled, determines each add
The heating total time of hot stove, and, according to the heating total time of heating furnace, determine heating furnace in soaking zone, the first heating respectively
The furnace temperature and heating time of section and the second bringing-up section, and, according to heating furnace in soaking zone, the first bringing-up section and the second bringing-up section
Furnace temperature and heating time, determine that heating furnace in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section, effectively subtracts
The time to be rolled is lacked, and then billet quality can be improved.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of reducing the method for heating the time to be rolled, which is characterized in that the method includes：
Determine the quantity of the heating furnace for heating steel billet to be rolled, and the heating time of each heating furnace；
According to the heating temperature of the steel billet to be rolled and average interval time to be rolled and the heating time, each institute is determined
State the heating total time of heating furnace；
According to the heating total time of the heating furnace, determine that the heating furnace adds in soaking zone, the first bringing-up section and second respectively
The furnace temperature of hot arc and heating time；
According to the heating furnace in soaking zone, the furnace temperature of the first bringing-up section and the second bringing-up section and heating time, described add is determined
Hot stove is in soaking zone, the gas flow of the first bringing-up section and the second bringing-up section.
2. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
During the rolling process, the running parameter fluctuation range for controlling the heating furnace is less than or equal to 4%.
3. as claimed in claim 2 reduce the method for heating the time to be rolled, which is characterized in that the running parameter includes：Coal
At least one of throughput, air mass flow, flue gas flow, pressure, temperature and furnace temperature parameter.
4. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
2~5 minutes after beginning to be rolled, furnace temperature 10~20 DEG C of the reduction per minute of the heating furnace is controlled.
5. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
3~5 minutes before end to be rolled, furnace temperature 10~20 DEG C of the raising per minute of the heating furnace is controlled.
6. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
It it is 5~10 minutes when the time to be rolled, the gas flow for controlling the soaking zone of the heating furnace reduces by 4~20%, and control
Making the furnace temperature of the heating furnace reduces by 30~50 DEG C.
7. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
It is 10~15 minutes when the time to be rolled, the tapping quantity of the control tapping most heating furnace of quantity reduces by 10~15%, with
And the gas flow of the control tapping most heating furnace of quantity reduces by 20~30%, and control the most heating furnace of tapping quantity
Furnace temperature reduce by 50~100 DEG C.
8. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
It it is 15~30 minutes when the time to be rolled, the heating furnace of control tapping minimum number is stopped.
9. as described in claim 1 reduce the method for heating the time to be rolled, which is characterized in that further include：
When the time to be rolled is small more than 1, the soaking zone of the heating furnace, the stove of the first bringing-up section and the second bringing-up section are controlled respectively
Warm each 200~300 DEG C of reduction, heat preservation wait for stove.
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| CN201810464766.3A CN108645233B (en) | 2018-05-15 | 2018-05-15 | A method of it reduces and heats the time to be rolled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883899A (en) * | 2021-10-19 | 2022-01-04 | 攀钢集团西昌钢钒有限公司 | Energy-saving waiting rolling method for double-heat-storage type heating furnace |
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| JPS60124411A (en) * | 1983-12-12 | 1985-07-03 | Hitachi Ltd | Control method of finishing temperature of rolling mill |
| CN102294361A (en) * | 2010-06-25 | 2011-12-28 | 上海梅山钢铁股份有限公司 | Method for controlling equal-gap steel rolling |
| CN105222581A (en) * | 2015-11-16 | 2016-01-06 | 攀钢集团攀枝花钢钒有限公司 | Adopt the method for walking beam heating furnace heating low temperature steel billet |
| CN105420486A (en) * | 2015-11-03 | 2016-03-23 | 邯钢集团邯宝钢铁有限公司 | Heating control method of steel rolling heating furnace applicable to pipeline steel |
| CN106282533A (en) * | 2015-05-27 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of temperature-controlled process to be rolled of heating furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124411A (en) * | 1983-12-12 | 1985-07-03 | Hitachi Ltd | Control method of finishing temperature of rolling mill |
| CN102294361A (en) * | 2010-06-25 | 2011-12-28 | 上海梅山钢铁股份有限公司 | Method for controlling equal-gap steel rolling |
| CN106282533A (en) * | 2015-05-27 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of temperature-controlled process to be rolled of heating furnace |
| CN105420486A (en) * | 2015-11-03 | 2016-03-23 | 邯钢集团邯宝钢铁有限公司 | Heating control method of steel rolling heating furnace applicable to pipeline steel |
| CN105222581A (en) * | 2015-11-16 | 2016-01-06 | 攀钢集团攀枝花钢钒有限公司 | Adopt the method for walking beam heating furnace heating low temperature steel billet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883899A (en) * | 2021-10-19 | 2022-01-04 | 攀钢集团西昌钢钒有限公司 | Energy-saving waiting rolling method for double-heat-storage type heating furnace |
| CN113883899B (en) * | 2021-10-19 | 2023-09-05 | 攀钢集团西昌钢钒有限公司 | Energy-saving rolling waiting method for double-heat accumulating type heating furnace |
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| Publication number | Publication date |
|---|---|
| CN108645233B (en) | 2019-10-08 |
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