CN109207711A - A kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing - Google Patents
A kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing Download PDFInfo
- Publication number
- CN109207711A CN109207711A CN201811229859.4A CN201811229859A CN109207711A CN 109207711 A CN109207711 A CN 109207711A CN 201811229859 A CN201811229859 A CN 201811229859A CN 109207711 A CN109207711 A CN 109207711A
- Authority
- CN
- China
- Prior art keywords
- strip
- section
- furnace
- temperature
- cooling section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a kind of wrinkle resistant control methods of 0.4mm strip IF steel continuous annealing, the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing, the following steps are included: when strip anneals production unit normal operation, the cooling blower of at least one set of slow cooling section and rapid cooling section is then closed, the electric heater of whole aging sections is closed；When the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode；When strip annealing production unit encounters disorderly closedown; when regional temperature each in furnace is reduced to 550 DEG C or less; holding when process speed is promoted to 75-85m/min; after furnace inner region temperature is risen to 700 DEG C; process speed 95-105m/min is risen to again to keep; after furnace inner region temperature reaches production engineering specifications, it can return to normal production.Control method provided by the present invention can effectively prevent 0.4mm thickness IF steel cold wrinkle occur when producing, so as to avoid the disconnected generation with accident, ensure that the production of unit normal table, reach the target of enterprise's cost efficiency.
Description
Technical field
The present invention relates to strip processing method fields, more particularly to a kind of wrinkle resistant controlling party of 0.4mm strip IF steel continuous annealing
Method.
Background technique
Continuous annealing is the most crucial part of continuous annealing process, and annealing furnace is then the core the most for completing this technique
Part.
In the prior art, the continuous annealing furnace of DREVER is generally used, major function is by HNx protective gas
Under protection, strip is heated to recrystallization temperature, a period of time is kept at this temperature, recrystallizes strip, and lead to
It crosses slow cooling, rapid cooling, overaging and end is cold so that strip reaches our desired tissue and structures, to reach our practical applications
Requirement.
However, belt steel temperature should be made to reach requirement when producing strip IF steel, meet its performance, guarantee unit again
Stable operation and strip safety, unit have significantly lifting speed or shut down when, strip usually will appear fold, very
It is easy to happen disconnected band accident, the stable operation of unit is influenced very big.
Therefore, how when continuous annealing produces strip IF steel, the control of furnace internal tension, temperature is controlled effectively to ensure that unit is steady
Fixed operation, undoubtedly reduces enterprise's production cost, improves the inventive process and art technology of Business Economic Benefit
The current technical issues that need to address of personnel.
Summary of the invention
The object of the present invention is to provide a kind of wrinkle resistant control methods of 0.4mm strip IF steel continuous annealing, for controlling furnace internal tension
With the stabilization of temperature, strip IF steel is avoided to cause disconnected band after cold wrinkle in furnace.
To achieve the above object, the invention provides the following technical scheme:
A kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing, comprising the following steps:
When strip anneals production unit normal operation, then the cooling blower of at least one set of slow cooling section and rapid cooling section is closed,
Close the electric heater of whole aging sections；
When strip anneals the production urgent reduction of speed of unit, then heating mode is switched to standby mode, in standby mode
The temperature in the area bringing-up section 1-13 is 440-460 DEG C, and the temperature in 14th area is 490-510 DEG C, and the temperature of slow cooling section and rapid cooling section is
290-310℃；
When strip annealing production unit encounters disorderly closedown, then in standby mode, regional temperature each in furnace is reduced
When to 550 DEG C or less, then unit started with the speed of 15-30m/min, while by the strip in camera observation furnace, and pressed
Holding when process speed being promoted to 75-85m/min according to the 10min frequency for promoting 4.5-5.5m, furnace inner region temperature is risen to
After 700 DEG C, then process speed is risen into 95-105m/min with the frequency that 10min promotes 4.5-5.5m and is kept, to furnace inner region temperature
After degree reaches production engineering specifications, it can return to normal production.
Preferably, it when strip anneals production unit normal operation, further comprises the steps of:
When process speed is lower than 80m/min, by preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, timeliness in furnace
Section and whole cold section of tension reduce 20%.
Preferably, it when the urgent reduction of speed of strip annealing production unit, further comprises the steps of:
By slow cooling section, rapid cooling section and cold section of cooling blower all closings eventually.
Preferably, it when the urgent reduction of speed of strip annealing production unit, further comprises the steps of:
Preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, aging section and whole cold section of tension in furnace are reduced
20%.
Preferably, when the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode, stand-by set of dies
The temperature in the area bringing-up section 1-13 in formula is 450 DEG C, and the temperature in 14th area is 500 DEG C, and the temperature of slow cooling section and rapid cooling section is 300
℃。
Preferably, when strip annealing production unit encounters disorderly closedown, then in standby mode, by region each in furnace temperature
When degree is reduced to 550 DEG C or less, then with the speed starting unit of 15-30m/min, while passing through the band in camera observation furnace
Steel, and according to 10min promoted 5m frequency process speed is promoted to 80m/min when holding, furnace inner region temperature is risen to 700
After DEG C, then process speed is risen into 100m/min with the frequency that 10min promotes 5m and is kept, reached technique to furnace inner region temperature and set
After meter requires, it can return to normal production.
The wrinkle resistant control method of 0.4mm strip IF steel continuous annealing provided by the present invention, comprising the following steps: anneal and give birth to when strip
When producing unit normal operation, then the cooling blower of at least one set of slow cooling section and rapid cooling section is closed, the electricity for closing whole aging sections adds
Hot device；When the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode, the heating in standby mode
The temperature in the area section 1-13 is 440-460 DEG C, and the temperature in 14th area is 490-510 DEG C, and the temperature of slow cooling section and rapid cooling section is 290-
310℃；When strip annealing production unit encounters disorderly closedown, then in standby mode, regional temperature each in furnace is reduced to
At 550 DEG C or less, then with the speed starting unit of 15-30m/min, while by the strip in camera observation furnace, and according to
Holding when process speed is promoted to 75-85m/min by the frequency that 10min promotes 4.5-5.5m, rises to 700 for furnace inner region temperature
After DEG C, then process speed is risen into 95-105m/min with the frequency that 10min promotes 4.5-5.5m and is kept, to furnace inner region temperature
After reaching production engineering specifications, it can return to normal production.The wrinkle resistant control method of 0.4mm strip IF steel continuous annealing, can effectively prevent
Only there is cold wrinkle when the IF steel production of 0.4mm, so as to avoid the disconnected generation with accident, ensure that the life of unit normal table
It produces, reaches the target of enterprise's cost efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of stream of specific embodiment of the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing provided by the present invention
Cheng Tu.
Specific embodiment
Core of the invention is to provide a kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing, to guarantee that set steady is transported
Row reduces enterprise's production cost, improves Business Economic Benefit.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Referring to FIG. 1, Fig. 1 is a kind of specific reality of the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing provided by the present invention
Apply the flow chart of mode.
In this embodiment, the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing the following steps are included:
Step S1: when strip anneal production unit operate normally when, then close the cold of at least one set of slow cooling section and rapid cooling section
But blower closes the electric heater of whole aging sections；
Step S2: when the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode, stand-by set of dies
The temperature in the area bringing-up section 1-13 in formula is 440-460 DEG C, and the temperature in 14th area is 490-510 DEG C, the temperature of slow cooling section and rapid cooling section
Degree is 290-310 DEG C；
Step S3: when strip annealing production unit encounters disorderly closedown, then in standby mode, by region each in furnace temperature
When degree is reduced to 550 DEG C or less, then with the speed starting unit of 15-30m/min, while passing through the band in camera observation furnace
Steel, and according to 10min promoted 4.5-5.5m frequency process speed is promoted to 75-85m/min when holding, by furnace inner region temperature
After degree rises to 700 DEG C, then process speed is risen into 95-105m/min with the frequency that 10min promotes 4.5-5.5m and is kept, in furnace
After regional temperature reaches production engineering specifications, it can return to normal production.
Specifically, should also include the operating status for judging current unit before step S1, when strip annealing manufacturing machine
When group operates normally, S1 is thened follow the steps, when the urgent reduction of speed of strip annealing production unit, S2 is thened follow the steps, when strip moves back
When fire production unit encounters disorderly closedown, S3 is thened follow the steps.
Since strip is thin and flexible, the ability of strip expanded with heat and contract with cold is small, in the production of unit low speed or emergency episode reduction of speed
When, strip usually will appear cold wrinkle phenomenon for cold section in the slow cooling section Lu Qu, rapid cooling section and overaging section and eventually, after fold occurs in strip
It is very easy to sideslip under operation；Or expand fold by furnace roller operating after there is fold, it is very easy to cause machine
There is cold wrinkle when the IF steel production of 0.4mm can be effectively prevented, so as to avoid disconnected band in the disconnected band accident of group, the utilization of this method
The generation of accident ensure that the production of unit normal table, reach the target of enterprise's cost efficiency.
Preferably, it in step S1, when strip anneals production unit normal operation, further comprises the steps of:
When process speed is lower than 80m/min, by preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, timeliness in furnace
Section and whole cold section of tension reduce 20%.
Specifically, the cooling blower of slow cooling section in furnace and rapid cooling section is closed one when normally producing 0.4mm strip IF steel
The cooling blower of group, slow cooling section and rapid cooling section shares three groups, that is, opens the cooling blower of two groups of slow cooling sections and rapid cooling section, it is ensured that slow
The technique requirement of cold section and rapid cooling section；The electric heater of overaging section is all closed；It can be according to width specifications reference when low speed
The tension parameters of table 1 lower 20%, while opening the electric heater of one to two group aging section, to guarantee the aging temp of strip.
On the basis of the respective embodiments described above, in step S2, when the urgent reduction of speed of strip annealing production unit, further include
Step:
By slow cooling section, rapid cooling section and cold section of cooling blower all closings eventually.
1 unit of table produce 0.4mm strip IF steel when furnace in each section of tension technological parameter radix
In table 1, IF steel, that is, ultra-low-carbon steel, WIDTH is the width of strip IF steel, and TENS-PHS is the tension of preheating section,
TENS-HS1 is the tension for heating one section, and TENS-PH2 is the tension for heating two sections, and TENS-SS is the tension of soaking zone, TENS-
SC is the tension of slow cooling section, and TENS-RCS is the tension of rapid cooling section, the tension that TENS-OA1 is one section of timeliness, when TENS-OA2 is
The tension of two sections of effect, the tension that TENS-OA3 is three sections of timeliness, the tension that TENS-FC is cold section eventually.
On the basis of the respective embodiments described above, in step S2, when the urgent reduction of speed of strip annealing production unit, further include
Step:
Preheating section, each section of tension in furnace are reduced 20%.
On the basis of the respective embodiments described above, in step S2, when the urgent reduction of speed of strip annealing production unit, then it will add
Heat pattern is switched to standby mode, and the temperature in the area bringing-up section 1-13 in standby mode is 450 DEG C, and the temperature in 14th area is 500 DEG C,
The temperature of slow cooling section and rapid cooling section is 300 DEG C.
Specifically, heating mode is switched to Standby mode, i.e. standby mode in advance in the urgent reduction of speed of unit, it is standby
With the state under mode be naturally cool to preset temperature, the temperature area bringing-up section 1-13 under Standby mode be 450 DEG C, 14
Area is 500 DEG C, and slow cooling section and rapid cooling section are 300 DEG C；Slow cooling section, rapid cooling section and whole cold section of cooling blower are all closed,
There is fold or sideslip in strip excessive temperature differentials when by this several sections when avoiding due to reduction of speed；Each section of tension in furnace is reduced
20%, i.e., preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, aging section and whole cold section of tension in furnace are reduced
20%.
On the basis of the respective embodiments described above, in step s3, when strip annealing production unit encounters disorderly closedown,
Tension is not removed after shutdown immediately, then in standby mode, when regional temperature each in furnace is reduced to 550 DEG C or less, then with
The speed of 15-30m/min starts unit, while observing the strip in furnace by camera, carries out temperature according to strip actual conditions
Holding when spending the promotion with speed, and process speed being promoted to 80m/min according to the frequency that 10min promotes 5m, by furnace inner region
After domain temperature rises to 700 DEG C, then process speed is risen into 100m/min with the frequency that 10min promotes 5m and is kept, to furnace inner region
After temperature reaches production engineering specifications, it can return to normal production.
Below with reference to embodiment, the invention will be further described:
Embodiment 1
Produce kind: DC04, specification: 0.4*1024mm, furnace internal tension technique such as table 2.
In 2 embodiment 1 of table in furnace each section of tension technological parameter radix
First pair of blower of slow cooling section and second pair of blower of rapid cooling section are closed, whole electric heaters of aging section are closed
It closes, and adjusting unit speed is 200m/min.After above-mentioned adjustment, strip is come out of the stove surfacing, is occurred without cold wrinkle situation.
Embodiment 2
Produce kind: DC04, specification: 0.4*1320mm, furnace internal tension technique such as table 3.
In 3 embodiment 2 of table in furnace each section of tension technological parameter radix
Because exporting planisher roll change failure, cause to export full set, furnace area reduction of speed to shutdown.
In unit reduction of speed, heating mode is switched to Standby mode, i.e. standby mode in advance, Standby temperature adds
The area hot arc 1-13 is 450 DEG C, and 14th area are 500 DEG C, and slow cooling section and rapid cooling section are 300 DEG C；By slow cooling section, rapid cooling section and cold section eventually
Cooling blower all close, each section of tension in furnace is reduced 20%, strip corrugationless, sideslip situation occur in furnace at this time；Furnace
After interior shutdown, furnace internal tension is kept, when furnace inner region temperature is reduced to 550 DEG C or less by Standby mode, with 15-30m/
The speed of min starts unit, while observing the strip in furnace without abnormal by camera, and the frequency of 5m is promoted according to 10min
Holding when process speed is promoted to 80m/min after furnace inner region temperature is risen to 700 DEG C, then process speed is mentioned with 10min
The frequency for rising 5m rises to 100m/min holding, normal to produce after furnace inner region temperature reaches production engineering specifications, in blowing out
, there is not the appearance of the case where cold wrinkle or sideslip in strip local slight oxidation color after coming out of the stove.
The wrinkle resistant control method of 0.4mm strip IF steel continuous annealing provided by the present invention is described in detail above.Herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention.It should be pointed out that for those skilled in the art, not
, can be with several improvements and modifications are made to the present invention under the premise of being detached from the principle of the invention, these improvement and modification are also fallen into
In the protection scope of the claims in the present invention.
Claims (6)
1. a kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing, which comprises the following steps:
When strip anneals production unit normal operation, then the cooling blower of at least one set of slow cooling section and rapid cooling section is closed, is closed
The electric heater of whole aging sections；
When the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode, the heating in standby mode
The temperature in the area section 1-13 is 440-460 DEG C, and the temperature in 14th area is 490-510 DEG C, and the temperature of slow cooling section and rapid cooling section is 290-
310℃；
When strip annealing production unit encounters disorderly closedown, then in standby mode, regional temperature each in furnace is reduced to 550
DEG C or less when, then unit is started with the speed of 15-30m/min, while by the strip in camera observation furnace, and according to
Holding when process speed is promoted to 75-85m/min by the frequency that 10min promotes 4.5-5.5m, rises to 700 for furnace inner region temperature
After DEG C, then process speed is risen into 95-105m/min with the frequency that 10min promotes 4.5-5.5m and is kept, to furnace inner region temperature
After reaching production engineering specifications, it can return to normal production.
2. the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing according to claim 1, which is characterized in that when strip is annealed
When producing unit normal operation, further comprise the steps of:
When process speed is lower than 80m/min, by preheating section in furnace, bringing-up section, soaking zone, slow cooling section, rapid cooling section, aging section with
And cold section of tension reduces 20% eventually.
3. the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing according to claim 1, which is characterized in that when strip is annealed
When producing the urgent reduction of speed of unit, further comprise the steps of:
By slow cooling section, rapid cooling section and cold section of cooling blower all closings eventually.
4. the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing according to claim 3, which is characterized in that when strip is annealed
When producing the urgent reduction of speed of unit, further comprise the steps of:
Preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, aging section and whole cold section of tension in furnace are reduced
20%.
5. the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing according to any one of claims 1 to 4, which is characterized in that
When the urgent reduction of speed of strip annealing production unit, then heating mode is switched to standby mode, the bringing-up section 1- in standby mode
The temperature in 13rd area is 450 DEG C, and the temperature in 14th area is 500 DEG C, and the temperature of slow cooling section and rapid cooling section is 300 DEG C.
6. the wrinkle resistant control method of 0.4mm strip IF steel continuous annealing according to claim 5, which is characterized in that when strip is annealed
When production unit encounters disorderly closedown, then in standby mode, when regional temperature each in furnace is reduced to 550 DEG C or less, then with
The speed of 15-30m/min starts unit, while observing the strip in furnace by camera, and the frequency of 5m is promoted according to 10min
Holding when process speed is promoted to 80m/min after furnace inner region temperature is risen to 700 DEG C, then process speed is mentioned with 10min
The frequency for rising 5m rises to 100m/min holding, after furnace inner region temperature reaches production engineering specifications, can return to normal production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229859.4A CN109207711B (en) | 2018-10-22 | 2018-10-22 | Continuous annealing crease-resistance control method for 0.4mm thin band IF steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229859.4A CN109207711B (en) | 2018-10-22 | 2018-10-22 | Continuous annealing crease-resistance control method for 0.4mm thin band IF steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109207711A true CN109207711A (en) | 2019-01-15 |
| CN109207711B CN109207711B (en) | 2020-07-03 |
Family
ID=64981216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229859.4A Active CN109207711B (en) | 2018-10-22 | 2018-10-22 | Continuous annealing crease-resistance control method for 0.4mm thin band IF steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109207711B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079647A (en) * | 2019-06-20 | 2019-08-02 | 常熟科弘材料科技有限公司 | A kind of zincincation of thin gauge household electrical appliances DX51D galvanized sheet |
| CN110373533A (en) * | 2019-06-05 | 2019-10-25 | 广州Jfe钢板有限公司 | A kind of method for controlling furnace temperature preventing oblique trace in the steel stove of broadband |
| CN111334648A (en) * | 2020-03-31 | 2020-06-26 | 鞍钢股份有限公司 | Method for preventing ultrathin IF steel of continuous annealing unit from wrinkling |
| CN111411214A (en) * | 2020-04-17 | 2020-07-14 | 新余钢铁股份有限公司 | Method for preventing buckling and deflection in strip steel continuous annealing furnace with thickness of not more than 0.5mm |
| CN111519016A (en) * | 2020-04-30 | 2020-08-11 | 江苏省沙钢钢铁研究院有限公司 | Preparation method of hot-galvanized sheet and hot-galvanized sheet |
| CN115058582A (en) * | 2022-07-14 | 2022-09-16 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131152A (en) * | 2014-07-15 | 2014-11-05 | 首钢总公司 | Buckling treatment method of thin and wide specification IF steel in furnace |
| CN105316474A (en) * | 2014-06-12 | 2016-02-10 | 上海梅山钢铁股份有限公司 | Control method of reducing buckled material operation risk in annealing furnace |
-
2018
- 2018-10-22 CN CN201811229859.4A patent/CN109207711B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316474A (en) * | 2014-06-12 | 2016-02-10 | 上海梅山钢铁股份有限公司 | Control method of reducing buckled material operation risk in annealing furnace |
| CN104131152A (en) * | 2014-07-15 | 2014-11-05 | 首钢总公司 | Buckling treatment method of thin and wide specification IF steel in furnace |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373533A (en) * | 2019-06-05 | 2019-10-25 | 广州Jfe钢板有限公司 | A kind of method for controlling furnace temperature preventing oblique trace in the steel stove of broadband |
| CN110079647A (en) * | 2019-06-20 | 2019-08-02 | 常熟科弘材料科技有限公司 | A kind of zincincation of thin gauge household electrical appliances DX51D galvanized sheet |
| CN111334648A (en) * | 2020-03-31 | 2020-06-26 | 鞍钢股份有限公司 | Method for preventing ultrathin IF steel of continuous annealing unit from wrinkling |
| CN111411214A (en) * | 2020-04-17 | 2020-07-14 | 新余钢铁股份有限公司 | Method for preventing buckling and deflection in strip steel continuous annealing furnace with thickness of not more than 0.5mm |
| CN111411214B (en) * | 2020-04-17 | 2021-11-23 | 新余钢铁股份有限公司 | Method for preventing buckling and deflection in strip steel continuous annealing furnace with thickness of not more than 0.5mm |
| CN111519016A (en) * | 2020-04-30 | 2020-08-11 | 江苏省沙钢钢铁研究院有限公司 | Preparation method of hot-galvanized sheet and hot-galvanized sheet |
| CN115058582A (en) * | 2022-07-14 | 2022-09-16 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
| CN115058582B (en) * | 2022-07-14 | 2024-06-11 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109207711B (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109207711A (en) | A kind of wrinkle resistant control method of 0.4mm strip IF steel continuous annealing | |
| CN106011538B (en) | A kind of method for controlling crystal grain isometry to improve Ti20Zr6.5Al4V alloy plasticities | |
| CN210261916U (en) | Annealing furnace for stainless steel band | |
| CN104769137A (en) | Batch type annealing thermal processing facility and method of manufacturing steel plate by using the facility | |
| CN203569154U (en) | Horizontal continuous annealing furnace for annealing titanium belt and steel belt | |
| CN104404239B (en) | A kind of bell type annealing furnace protective gas thermal circulation method | |
| CN103774079B (en) | Band steel continuous zinc/aluminium/aluminium zinc coating start camber control method | |
| CN202401110U (en) | Multifunctional continuous thermal treatment furnace | |
| CN103710523A (en) | Method for controlling continuous annealing and wrinkling of wide IF steel | |
| JPS6260825A (en) | Preheating method in continuous heat treatment of steel strip | |
| CN206375985U (en) | A kind of continuously pre-heating stove of the secondary galvanizing of steel plate | |
| CN102492827B (en) | Multifunctional continuous heat treatment furnace and heat treatment method | |
| CN103160767A (en) | Method for increasing temperature of semi-hard aluminum-zinc-plated strip steel in zinc pot | |
| CN103555925A (en) | Vertical continuous annealing furnace for annealing titanium plates and steel strips | |
| PT1134298E (en) | Improvements in preheating metal strips, especially in galvanising or annealing lines | |
| US6761778B2 (en) | Heating process of steel strips in vertical furnaces | |
| CN113430360A (en) | Control method for annealing transition of high-strength steel plate | |
| CN102492819B (en) | High temperature continuous heat treatment furnace and method for low temperature tempering or annealing of steel with it | |
| CN107267735A (en) | A kind of annealing process for roll | |
| CN206385202U (en) | A kind of Gradient Materials multi-temperature annealing device | |
| CN106967942A (en) | Indirect heating type hot blast is incubated alloying soaking pit and with steel alloying galvanizing system | |
| CN207391484U (en) | One kind is based on cold-rolled orientation silicon steel high-temperature annealing furnace heat insulation cover structure | |
| CN110172565A (en) | A kind of bell type annealing furnace waste heat recycling system | |
| JPS6362588B2 (en) | ||
| CN109116891A (en) | A kind of control method of heat-treatment furnace strip Slow cooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |