CN109940141A - Square blank crystallizer on-line tuning technique - Google Patents
Square blank crystallizer on-line tuning technique Download PDFInfo
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- CN109940141A CN109940141A CN201910338953.1A CN201910338953A CN109940141A CN 109940141 A CN109940141 A CN 109940141A CN 201910338953 A CN201910338953 A CN 201910338953A CN 109940141 A CN109940141 A CN 109940141A
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- crystallizer
- line tuning
- square blank
- casting
- tuning technique
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Abstract
The invention discloses a kind of square blank crystallizer on-line tuning techniques, comprising: step 1: qualified molten steel is packed into bale panoramic tables；Step 2: being cast using crystallizer；Step 3: the product after casting is cooled down；Step 4: product being corrected using withdrawal straightening machine；Step 5: the casting obtained after step 4 being placed on flame cutting machine and is processed；Step 6: using the casting after conveyor roller transport processing；Step 7: carrying out ejection operation using ejection roller way；Wherein, the crystallizer water pressure in step 2 is 1.2Mpa.The square blank crystallizer on-line tuning technique can either reduce the replacement crystallizer copper pipe time, improve rhythm of production, and can reduce production labour, mitigate operating pressure.
Description
Technical field
The present invention relates to steelmaking technical fields, and in particular, to a kind of square blank crystallizer on-line tuning technique.
Background technique
The use of steel plant continuous casting crystallizer mainly has two o'clock at present: first is that passing through the fixation crystallizer general pipeline of traditional mode
Hydraulic pressure determines the water flow of crystallizer, to ensure the normal use of crystallizer；Second is that in crystallizer when using to the middle and later periods,
Crystallizer wall abrasion is than more serious, when being unsatisfactory for the production requirement of special steel, can only maintenance down replace crystallizer, at least need
3-4 hours, especially large-section crystallizer was longer to required times such as arc adjustment.
Therefore, to solve the problems, such as traditional mode and shut down replacement crystallizer, designed in continuous casting billet production process it is simple,
Easy to operate device is the current urgent problem in this field.
Summary of the invention
The object of the present invention is to provide a kind of square blank crystallizer on-line tuning technique, the square blank crystallizer on-line tuning techniques
The replacement crystallizer copper pipe time can either be reduced, rhythm of production is improved, and production labour can be reduced, mitigates operating pressure.
To achieve the goals above, the present invention provides a kind of square blank crystallizer on-line tuning techniques, comprising:
Step 1: qualified molten steel is packed into bale panoramic tables；
Step 2: being cast using crystallizer；
Step 3: the product after casting is cooled down；
Step 4: product being corrected using withdrawal straightening machine；
Step 5: the casting obtained after step 4 being placed on flame cutting machine and is processed；
Step 6: using the casting after conveyor roller transport processing；
Step 7: carrying out ejection operation using ejection roller way；
Wherein, the crystallizer water pressure in step 2 is 1.2Mpa.
It preferably, further include being weighed in step 1 using big packet weighing system.
Preferably, further include between step 1 and step 2 using pans or intermediate vehicle by the molten steel in big packet distribute to
In crystallizer.
Preferably, using long nozzle protective casting when the molten steel in big packet enters pans or intermediate vehicle.
Preferably, using submersed nozzle protective casting when pans or intermediate interior molten steel enter crystallizer.
Preferably, step 3 be cooled to it is cooling using air water nozzle.
It preferably, further include external M-EMS between step 2 and step 3.
It preferably, further include end electromagnetic agitation between step 3 and step 4.
According to the above technical scheme, the present invention passes through in continuous casting billet production process and changes crystallizer water pressure, to guarantee to tie
Brilliant device amount of deflection variation meets production needs, avoids traditional mode shutdown replacement crystallizer and wastes time, substantially increases production
Rhythm.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of square blank crystallizer on-line tuning technique provided by the invention；
Fig. 2 is the schematic diagram for changing crystallizer water pressure in the present invention；
Fig. 3 is the top view for changing crystallizer water pressure in the present invention；
Fig. 4 is the crystallizer schematic diagram in the present invention before use；
Fig. 5 is the crystallizer schematic diagram in the present invention in use.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " inside and outside " etc. is included in the term only represents
Orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to the term
Limitation.
Referring to Fig. 1 to Fig. 5, the present invention provides a kind of square blank crystallizer on-line tuning technique, comprising:
Step 1: qualified molten steel is packed into bale panoramic tables；
Step 2: being cast using crystallizer；
Step 3: the product after casting is cooled down；
Step 4: product being corrected using withdrawal straightening machine；
Step 5: the casting obtained after step 4 being placed on flame cutting machine and is processed；
Step 6: using the casting after conveyor roller transport processing；
Step 7: carrying out ejection operation using ejection roller way；
Wherein, the crystallizer water pressure in step 2 is 1.2Mpa, to guarantee that the variation of crystallizer amount of deflection meets production needs.
In the present embodiment, for the ease of grasp Metal Weight, it is preferable that further include using big packet weighing in step 1
System weighing.
In the present embodiment, further include in order to optimize technique, between preferred steps 1 and step 2 using pans or
Intermediate vehicle distributes the molten steel in big packet into crystallizer.
Further, the effect obtained after casting process for the molten steel guaranteed for casting is more preferable, it is preferable that big packet
Using long nozzle protective casting when interior molten steel enters pans or intermediate vehicle.
Likewise, using submersed nozzle protective casting when pans or intermediate interior molten steel enter crystallizer.
The above-mentioned fast exchange that ladle can be quickly and accurately realized using ladle turret can incite somebody to action as long as half revolution
Ladle is replaced in place；It is waiting simultaneously and is supporting ladle in casting process, be not take up the activity duration in relation to crane.Simultaneously.
The area that ladle turret occupies teeming stage is smaller, nor affects on pouring operation.Finally, so that safe operation is reliable, it is easy to
Positioning and realization remote-controlled operation
In addition, solidifying slab within a short period of time to be forced to casting billet surface, uniformly cooled down, it is preferable that step
Rapid 3 be cooled to is cooling using air water nozzle.
During continuous casting steel machine, in order to enable the electromagnetic force that induction generates when continuous casting billet passes through external electromagnetic field is by slab
Interior not solidified agitation of molten steel flowing, obtains good slab quality to improve process of setting, it is preferable that step 2 and step 3
Between further include external M-EMS.
Likewise, it is further preferred that further including end electromagnetic agitation between step 3 and step 4.
Through the above technical solutions, the present invention is in continuous casting billet production process by changing crystallizer water pressure, normal pressure
Pressure is adjusted to 1.2Mpa at this time by 1.0Mpa, it is ensured that the variation of crystallizer amount of deflection meets production needs, avoids traditional mould
Formula is shut down replacement crystallizer and is wasted time, and rhythm of production is substantially increased.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of square blank crystallizer on-line tuning technique characterized by comprising
Step 1: qualified molten steel is packed into bale panoramic tables；
Step 2: being cast using crystallizer；
Step 3: the product after casting is cooled down；
Step 4: product being corrected using withdrawal straightening machine；
Step 5: the casting obtained after step 4 being placed on flame cutting machine and is processed；
Step 6: using the casting after conveyor roller transport processing；
Step 7: carrying out ejection operation using ejection roller way；
Wherein, the crystallizer water pressure in step 2 is 1.2Mpa, to guarantee that the variation of crystallizer amount of deflection meets production needs.
2. square blank crystallizer on-line tuning technique according to claim 1, which is characterized in that further include in step 1 using
Big packet weighing system weighing.
3. square blank crystallizer on-line tuning technique according to claim 1, which is characterized in that between step 1 and step 2 also
Including using pans or intermediate vehicle to distribute the molten steel in big packet into crystallizer.
4. square blank crystallizer on-line tuning technique according to claim 3, which is characterized in that during the molten steel in big packet enters
Between tank or when intermediate vehicle use long nozzle protective casting.
5. square blank crystallizer on-line tuning technique according to claim 3, which is characterized in that pans are intermediate interior
Molten steel when entering crystallizer using submersed nozzle protective casting.
6. square blank crystallizer on-line tuning technique according to claim 1, which is characterized in that step 3 be cooled to using
Air water nozzle is cooling.
7. square blank crystallizer on-line tuning technique according to claim 1, which is characterized in that between step 2 and step 3 also
Including external M-EMS.
8. square blank crystallizer on-line tuning technique according to claim 1, which is characterized in that between step 3 and step 4 also
Including end electromagnetic agitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338953.1A CN109940141A (en) | 2019-04-25 | 2019-04-25 | Square blank crystallizer on-line tuning technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338953.1A CN109940141A (en) | 2019-04-25 | 2019-04-25 | Square blank crystallizer on-line tuning technique |
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| CN109940141A true CN109940141A (en) | 2019-06-28 |
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Citations (9)
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| CN1126121A (en) * | 1994-06-06 | 1996-07-10 | 丹尼利机械厂联合股票公司 | Method to control the deformations of the sidewalls of a crystalliser, and continuos-casting crystal liser |
| CN2412681Y (en) * | 2000-03-31 | 2001-01-03 | 夏源河 | Oxygen-free continuous casting crystallizer |
| CN2691743Y (en) * | 2003-12-28 | 2005-04-13 | 姚云英 | Cooling device for increasing continuous casting drawing speed |
| EP1979113A2 (en) * | 2005-12-13 | 2008-10-15 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Crystallizer |
| WO2015059652A1 (en) * | 2013-10-23 | 2015-04-30 | Danieli & C. Officine Meccaniche Spa | Crystallizer for continuous casting and method for its production |
| CN106312000A (en) * | 2016-10-12 | 2017-01-11 | 中原特钢股份有限公司 | 18CrNiMo7-6 round billet continuous casting method for vertical type continuous casting production gear steel |
| CN107350445A (en) * | 2017-06-16 | 2017-11-17 | 中原特钢股份有限公司 | The production method of carburizing bearing steel G20Cr2Ni4 continuous cast round billets |
| CN108950113A (en) * | 2018-08-21 | 2018-12-07 | 成渝钒钛科技有限公司 | A kind of casting and its processing method |
| CN109158565A (en) * | 2018-10-15 | 2019-01-08 | 中冶华天工程技术有限公司 | A kind of continuous casting billet is quickly heat-fed process and device |
-
2019
- 2019-04-25 CN CN201910338953.1A patent/CN109940141A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126121A (en) * | 1994-06-06 | 1996-07-10 | 丹尼利机械厂联合股票公司 | Method to control the deformations of the sidewalls of a crystalliser, and continuos-casting crystal liser |
| CN2412681Y (en) * | 2000-03-31 | 2001-01-03 | 夏源河 | Oxygen-free continuous casting crystallizer |
| CN2691743Y (en) * | 2003-12-28 | 2005-04-13 | 姚云英 | Cooling device for increasing continuous casting drawing speed |
| EP1979113A2 (en) * | 2005-12-13 | 2008-10-15 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Crystallizer |
| WO2015059652A1 (en) * | 2013-10-23 | 2015-04-30 | Danieli & C. Officine Meccaniche Spa | Crystallizer for continuous casting and method for its production |
| CN106312000A (en) * | 2016-10-12 | 2017-01-11 | 中原特钢股份有限公司 | 18CrNiMo7-6 round billet continuous casting method for vertical type continuous casting production gear steel |
| CN107350445A (en) * | 2017-06-16 | 2017-11-17 | 中原特钢股份有限公司 | The production method of carburizing bearing steel G20Cr2Ni4 continuous cast round billets |
| CN108950113A (en) * | 2018-08-21 | 2018-12-07 | 成渝钒钛科技有限公司 | A kind of casting and its processing method |
| CN109158565A (en) * | 2018-10-15 | 2019-01-08 | 中冶华天工程技术有限公司 | A kind of continuous casting billet is quickly heat-fed process and device |
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