CN104162638B - A kind of crystallizer cooling water control device and method - Google Patents

A kind of crystallizer cooling water control device and method Download PDF

Info

Publication number
CN104162638B
CN104162638B CN201410399554.3A CN201410399554A CN104162638B CN 104162638 B CN104162638 B CN 104162638B CN 201410399554 A CN201410399554 A CN 201410399554A CN 104162638 B CN104162638 B CN 104162638B
Authority
CN
China
Prior art keywords
branch road
water
backwater branch
backwater
temperature
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.)
Active
Application number
CN201410399554.3A
Other languages
Chinese (zh)
Other versions
CN104162638A (en
Inventor
周士凯
王西林
刘赵卫
张西峰
王蓉
王新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Heavy Machinery Research Institute Co Ltd
Original Assignee
China National Heavy Machinery Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Heavy Machinery Research Institute Co Ltd filed Critical China National Heavy Machinery Research Institute Co Ltd
Priority to CN201410399554.3A priority Critical patent/CN104162638B/en
Publication of CN104162638A publication Critical patent/CN104162638A/en
Application granted granted Critical
Publication of CN104162638B publication Critical patent/CN104162638B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a kind of crystallizer cooling water control device and method, comprise continuous cast mold, the arrival end of this continuous cast mold is connected with into water main line, and the inner arc of continuous cast mold, outer arc, left side, right side connect inner arc backwater branch road, outer arc backwater branch road, left side backwater branch road, right side backwater branch road respectively; Water inlet main line is provided with the first temperature sensor for detecting inflow temperature; Inner arc backwater branch road, outer arc backwater branch road, left side backwater branch road, right side backwater branch road being respectively equipped with the second temperature sensor for detecting each branch road return water temperature, adding up the electromagnetic flowmeter of each branch road circling water flow rate, pneumatic diaphragm control valve; Calculate outer arc in crystallizer, left and right sides cooling water inflow according to factors such as steel grade, pulling rate, inflow temperature, water inlet and backwater temperature difference, molten steel overheat, casting blank cross-section sizes, the PID being realized the water yield by electromagnetic flowmeter and pneumatic control valve is regulated.During cast, improve the heat transfer of strand, reduce the incidence of blemish.

Description

A kind of crystallizer cooling water control device and method
Technical field
The invention belongs to metallurgical technology field, particularly a kind of crystallizer cooling water control device and method.
Background technology
In casting process, molten steel enters crystallizer by tundish, is formed have certain thickness base shell by crystallizer wall cooling.Surface defect of bloom depends on the growth conditions of nascent solidified shell in crystallizer to a great extent, in crystallizer, the principal element of the nascent solidified shell growth of impact is the transmission of meniscus place hot-fluid, such as, if heat flow density is large, nascent solidified shell can be caused to grow uneven, easily produce the surface quality such as depression, longitudinal crack, transversal crack, star-like crack at casting billet surface; If heat flow density is too small, copper plate of crystallizer hot-face temperature can be caused too high, cause copper plate of crystallizer to reduce service life, and can cause the base shell of crystallizer end opening thin, easily cause the accidents such as bleed-out.Therefore, the heat transfer of the crystallization control device cooling water water yield and then control strand is the important measures reducing blemish.
For different steel grade, the strand of different section, in crystallizer, the size of heat flow density has an optimized scope, as long as ensure that the heat density of crystallizer is within the scope of this, the uniformity that initial solidification shell grows can be ensured, the thickness of crystallizer end opening base shell can be ensured out again.
At present, the crystallizer water yield mainly adjusts according to the difference of steel grade, do not consider the influence factors such as pulling rate, the degree of superheat, inflow temperature, cross dimensions, strand is made easily to produce blemish at crystallizer content, especially in the incipient stage of cast, blemish is particularly serious, adds the removing surface rate of strand.
Summary of the invention
For the problems referred to above, the invention provides a kind of crystallizer cooling water control device and method, it is a kind of new crystallizer water rate control technology, this invention automatically calculates outer arc in crystallizer, left and right sides cooling water inflow according to factors such as steel grade, pulling rate, inflow temperature, water inlet and backwater temperature difference, molten steel overheat, casting blank cross-section sizes, and the PID being realized the water yield by electromagnetic flowmeter and pneumatic control valve is regulated.During cast, improve the heat transfer of strand, reduce the incidence of blemish.
The present invention to achieve these goals, by the following technical solutions, a kind of crystallizer cooling water control device, comprise continuous cast mold, the arrival end of this continuous cast mold is connected with into water main line, and the inner arc of described continuous cast mold, outer arc, left side, right side connect inner arc backwater branch road, outer arc backwater branch road, left side backwater branch road, right side backwater branch road respectively;
Described water inlet main line is provided with the first temperature sensor for detecting inflow temperature;
Described inner arc backwater branch road, outer arc backwater branch road, left side backwater branch road, right side backwater branch road being respectively equipped with the second temperature sensor for detecting each branch road return water temperature, adding up the electromagnetic flowmeter of each branch road circling water flow rate, pneumatic diaphragm control valve.
Described water inlet main line is 4 water inlet branch roads, and respectively with the inner arc of continuous cast mold, outer arc, left side, right side connects, and each water inlet branch road is all provided with the first temperature sensor.
A kind of crystallizer cooling water control method, carry out according to following steps:
1), 4 water inlet branch roads on water inlet main line, be respectively the inner arc of continuous cast mold, outer arc, left side, supply water in right side, and the first temperature sensor on Zhi Jinshui branch road carries out record to the water temperature on each water inlet branch road;
2), second temperature sensor detect after continuous cast mold, the temperature of inner arc backwater branch road, outer arc backwater branch road, left side backwater branch road, each branch road backwater of right side backwater branch road;
3) temperature that the temperature, to the first temperature sensor detected and the second temperature sensor detect contrasts, and calculates return water temperature and the inflow temperature degree of superheat △ T of backwater branch road;
4) water yield of backwater branch road needs, is calculated according to following computing formula;
Q＝Q min+f*ΔQ
Q max≤Q≤Q min
Q max＝10*A
Q min＝6*A
ΔQ＝Q max-Q min＝4*A
f＝f 1+f 2+f 3+f 4+f 5-f 6
In formula, Q is each backwater branch road water yield; Q maxfor each backwater branch road maximum amount of water, Q minfor each backwater branch road least quantity; A is crystallizer inner arc, outer arc, left side or right side copper coin water seam cross-sectional area; F is comprehensive correction factor; f 1for pulling rate correction factor; f 2for steel grade correction factor; f 3for strand flakiness ratio correction factor; f 4for inflow temperature correction factor; f 5for molten steel overheat correction factor; f 6for correction factor shaped by copper coin;
In formula,
0≤f≤1
For f 1, as pulling rate 0≤v≤2m/min, f 1=0.1*v;
As pulling rate v > 2m/min, f 1=0.2;
Wherein v is pulling rate, m/min.
For f 2,value is 01 ~ 0.4:
For f 3, work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.1; Work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.05;
For f 4, when inflow temperature is no more than 25 DEG C, f 4=0;
When inflow temperature is more than 25 DEG C, f 4=0.15
For f 5, when the degree of superheat 15 DEG C≤△ T≤25 DEG C, f 5=0;
When the degree of superheat 25 DEG C of < △ T≤30 DEG C, f 5=0.05;
As the degree of superheat 30 DEG C of > △ T, f 5=0.1;
For f 6, f 6 = - 1 125 * D + 8 25 ;
Wherein D is copper plate thickness, 15mm≤D≤40mm;
5), according to the water yield of every bar backwater branch road calculated, by controlling pneumatic diaphragm control valve, realize the control to the water yield during cast.
The present invention adopts technique scheme, have the following advantages: adopt the collection to water inlet and return water temperature, simultaneously to the control of each branch road water yield of backwater, calculate outer arc in crystallizer, left and right sides cooling water inflow according to factors such as steel grade, pulling rate, inflow temperature, water inlet and backwater temperature difference, molten steel overheat, casting blank cross-section sizes, the PID being realized the water yield by electromagnetic flowmeter and pneumatic control valve is regulated.During cast, improve the heat transfer of strand, reduce the incidence of blemish.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is present system figure.
Fig. 2 is the cc billet surface quality figure of embodiment 2.
Fig. 3 is the cc billet surface quality figure of comparative example.
In figure, 1, water inlet main line; 2, the first temperature sensor; 3, inner arc backwater branch road; 4, outer arc backwater branch road; 5, left side backwater branch road; 6, right side backwater branch road; 7, the second temperature sensor; 8, electromagnetic flowmeter; 9, pneumatic diaphragm control valve; 10, continuous cast mold.
Detailed description of the invention
Further a kind of crystallizer cooling water control device and method are described in detail below in conjunction with drawings and Examples.
Embodiment 1
A kind of crystallizer cooling water control device as shown in Figure 1 and method, a kind of crystallizer cooling water control device, comprise continuous cast mold 10, the arrival end of this continuous cast mold 10 is connected with into water main line 1, and the inner arc of described continuous cast mold 10, outer arc, left side, right side connect inner arc backwater branch road 3, outer arc backwater branch road 4, left side backwater branch road 5, right side backwater branch road 6 respectively;
Described water inlet main line 1 is provided with the first temperature sensor 2 for detecting inflow temperature;
Described inner arc backwater branch road 3, outer arc backwater branch road 4, left side backwater branch road 5, right side backwater branch road 6 are equipped with respectively successively the second temperature sensor 7 for detecting each branch road return water temperature, add up the electromagnetic flowmeter 8 of each branch road circling water flow rate, pneumatic diaphragm control valve 9; First temperature sensor 2 detects the temperature of water inlet, and the second temperature sensor 7 detects the return water temperature after continuous cast mold 10, and monitored temperature value is contrasted, and draws degree of superheat △ T; Control to the water yield when pneumatic diaphragm control valve 9 controls to pour into a mould, whether electromagnetic flowmeter 8 is used for observing water consumption is the water yield needed.
In order to calculate degree of superheat △ T accurately, the main line 1 that therefore intakes is 4 water inlet branch roads, and respectively with the inner arc of continuous cast mold 10, outer arc, left side, right side connects, and each water inlet branch road is all provided with the first temperature sensor 2.
A kind of crystallizer cooling water control method, carry out according to following steps:
1), 4 water inlet branch roads on water inlet main line 1, be respectively the inner arc of continuous cast mold 10, outer arc, left side, supply water in right side, and the first temperature sensor 2 on Zhi Jinshui branch road carries out record to the water temperature on each water inlet branch road;
2), the second temperature sensor 7 detects after continuous cast mold 10, the temperature of inner arc backwater branch road 3, outer arc backwater branch road 4, left side backwater branch road 5, right side backwater branch road 6 branch road backwater;
3) temperature that the temperature, to the first temperature sensor 2 detected and the second temperature sensor 7 detect contrasts, and calculates return water temperature and the inflow temperature degree of superheat △ T of backwater branch road;
4) water yield of backwater branch road needs, is calculated according to following computing formula;
Q＝Q min+f*ΔQ
Q max≤Q≤Q min
Q max＝10*A
Q min＝6*A
ΔQ＝Q max-Q min＝4*A
f＝f 1+f 2+f 3+f 4+f 5-f 6
In formula, Q is each backwater branch road water yield; Q maxfor each backwater branch road maximum amount of water, Q minfor each backwater branch road least quantity; A is crystallizer inner arc, outer arc, left side or right side copper coin water seam cross-sectional area; F is comprehensive correction factor; f 1for pulling rate correction factor; f 2for steel grade correction factor; f 3for strand flakiness ratio correction factor; f 4for inflow temperature correction factor; f 5for molten steel overheat correction factor; f 6for correction factor shaped by copper coin;
In formula,
0≤f≤1
For f 1, as pulling rate 0≤v≤2m/min, f 1=0.1*v;
As pulling rate v > 2m/min, f 1=0.2
Wherein v is pulling rate, and unit is m/min;
For f 2,value is 01 ~ 0.4:
Following table is the different f of different steel grade 2value
Steel grade Correction factor f 2
Ultra-low-carbon steel 0.4
Mild steel 0.3
Peritectic steel, low-alloy steel 0～0.15
Medium carbon steel 0.2～0.3
High-carbon steel, steel alloy 0.1～0.2
For f 3, work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.1; Work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.05;
For f 4, when inflow temperature is no more than 25 DEG C, f 4=0;
When inflow temperature is more than 25 DEG C, f 4=0.15
For f 5, when the degree of superheat 15 DEG C≤△ T≤25 DEG C, f 5=0;
When the degree of superheat 25 DEG C of < △ T≤30 DEG C, f 5=0.05;
As the degree of superheat 30 DEG C of > △ T, f 5=0.1;
For f 6, f 6 = - 1 125 * D + 8 25 ;
Wherein D is copper plate thickness, 15mm≤D≤40mm.
5), according to the water yield of the every bar backwater branch road calculated, by controlling pneumatic diaphragm control valve (9), realize the control to the water yield during cast, when controlling to water water injection rate, whether the data that the moment observes the display of electromagnetic flowmeter 8 are the data calculated, if not, adjust pneumatic diaphragm control valve 9 in time, make the water yield reach the value of calculating.
Embodiment 2
Based on said apparatus and method, concrete is described these apparatus and method:
1) cast casting blank section is selected to be 350mmX2100mm, steel grade Q460C, degree of superheat △ T is 30 DEG C, pulling rate is 0.6 ~ 0.8m/min, concrete value is 0.7m/min, is recorded that crystallizer inflow temperature is 35 DEG C, copper plate thickness is 40mm by the first temperature sensor 2.
2) during cast, according to step 4) in formulae discovery go out the water yield of each branch road, be specially:
Determine f 1,f 2,f 3,f 4,f 5,f 6value:
F 1for as pulling rate 0≤v≤2m/min, f 1=0.1*v=0.1*0.7=0.07;
Because the steel grade got is Q460C, therefore f 2=0.15
Strand when therefore calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.1;
Recording crystallizer inflow temperature because of the first temperature sensor 2 is 35 DEG C, therefore f 4=0.15,
Degree of superheat △ T is 30 DEG C, f 5=0.05;
f 6 = - 1 125 * D + 8 25 = 1 125 * 40 + 8 25 = 0.64 ;
Determine f according to data above and according to backwater branch road maximum amount of water, backwater branch road least quantity, crystallizer inner arc, outer arc, left side or right side copper coin water seam cross-sectional area, draw the water yield of following each backwater branch road:
Inner arc backwater branch road 3 water yield is equal with outer arc backwater branch road 4 water yield, and adjustable range is: 4200l/min ~ 4650l/mim;
Left side backwater branch road 5 water yield is equal with right side backwater branch road 6 water yield, and adjustable range is: 600l/min ~ 680l/mim.
According to the water yield calculating each backwater branch road, regulating the water yield of each backwater branch road by controlling pneumatic diaphragm control valve 9, making it reach the water yield of calculating;
The water yield maybe will calculated, passes to PLC control system in real time, realizes the PID runoff investigation between electromagnetic flowmeter 8 and pneumatic diaphragm control valve 9 by PLC.
Comparative example
The cast of embodiment 2 is not adopted the real-time dynamic adjustments crystallizer water yield, is described below:
1) select cast casting blank section to be 350mmX2100mm, steel grade Q460C, the degree of superheat is 30 DEG C, pulling rate is 0.6 ~ 0.8m/min, recorded by temperature sensor 2 that crystallizer inflow temperature is 35 DEG C, copper plate thickness is 40mm.
2), during cast, two-level computer system sets a fixing water yield, is specially:
Inner arc backwater branch road 3 water yield is equal with outer arc backwater branch road 4 water yield, is set as: 4550l/min
Left side backwater branch road 5 water yield is equal with right side backwater branch road 6 water yield, is set as: 655l/min
By the water yield of setting, pass to PLC control system, realize the PID runoff investigation between electromagnetic flowmeter 8 and pneumatic diaphragm control valve 9 by PLC.
With reference to Fig. 2, Fig. 3, as can be seen from Figure 2, after implementing crystallizer water yield dynamic adjustments, strand avoids the generation of crackle, as can be seen from Figure 3, after not implementing crystallizer water yield dynamic adjustments, strand there occurs crackle, drawn by contrast, present invention, avoiding or decrease the generation of slab surface crack, improve cc billet surface quality.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.

Claims (1)

1. a crystallizer cooling water control method, comprise continuous cast mold (10), the arrival end of this continuous cast mold (10) is connected with into water main line (1), and the inner arc of described continuous cast mold (10), outer arc, left side, right side connect inner arc backwater branch road (3), outer arc backwater branch road (4), left side backwater branch road (5), right side backwater branch road (6) respectively; Described water inlet main line (1) is provided with the first temperature sensor (2) for detecting inflow temperature;
Described inner arc backwater branch road (3), outer arc backwater branch road (4), left side backwater branch road (5), right side backwater branch road (6) are respectively equipped with the second temperature sensor (7) for detecting each branch road return water temperature, the electromagnetic flowmeter (8) adding up each branch road circling water flow rate, pneumatic diaphragm control valve (9); Described water inlet main line (1) is 4 water inlet branch roads, is connected respectively with the inner arc of continuous cast mold (10), outer arc, left side, right side, and each water inlet branch road is all provided with the first temperature sensor (2);
It is characterized in that, carry out according to following steps:
1), 4 water inlet branch roads of water inlet main line (1), be respectively the inner arc of continuous cast mold (10), outer arc, left side, right side water supply, and the first temperature sensor (2) on Zhi Jinshui branch road carries out record to the water temperature on each water inlet branch road;
2), the second temperature sensor (7) detects the temperature of inner arc backwater branch road (3), outer arc backwater branch road (4), left side backwater branch road (5), each branch road backwater in right side backwater branch road (6) after continuous cast mold (10);
3) temperature that the temperature, to the first temperature sensor (2) detected and the second temperature sensor (7) detect contrasts, and calculates the return water temperature of backwater branch road and the degree of superheat △ T of inflow temperature;
4) water yield of backwater branch road needs, is calculated according to following computing formula;
Q＝Q min+f*ΔQ
Q min≤Q≤Q max
Q max＝10*A
Q min＝6*A
ΔQ＝Q max-Q min＝4*A
f＝f 1+f 2+f 3+f 4+f 5-f 6
In formula, Q is each backwater branch road water yield; Q maxfor each backwater branch road maximum amount of water, Q minfor each backwater branch road least quantity; A is crystallizer inner arc, outer arc, left side or right side copper coin water seam cross-sectional area; F is comprehensive correction factor; f 1for pulling rate correction factor; f 2for steel grade correction factor; f 3for strand flakiness ratio correction factor; f 4for inflow temperature correction factor; f 5for molten steel overheat correction factor; f 6for correction factor shaped by copper coin;
In formula,
0≤f≤1
For f 1, as pulling rate 0≤v≤2m/min, f 1=0.1*v;
As pulling rate v > 2m/min, f 1=0.2
Wherein v is pulling rate, and unit is m/min;
For f 2, value is 0.1 ~ 0.4:
For f 3, work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.1; Work as strand when calculating inner arc and the outer arc backwater branch road water yield, f 3=0.15, when calculating left side and the right side backwater branch road water yield, f 3=0.05;
For f 4, when inflow temperature is no more than 25 DEG C, f 4=0;
When inflow temperature is more than 25 DEG C, f 4=0.15
For f 5, when the degree of superheat 15 DEG C≤△ T≤25 DEG C, f 5=0;
When the degree of superheat 25 DEG C of < △ T≤30 DEG C, f 5=0.05;
As degree of superheat △ T > 30 DEG C, f 5=0.1;
For f 6,
Wherein D is copper plate thickness, 15mm≤D≤40mm;
5), according to the water yield of every bar backwater branch road calculated, by controlling pneumatic diaphragm control valve (9), the control to the water yield when realizing cast.
CN201410399554.3A 2014-08-14 2014-08-14 A kind of crystallizer cooling water control device and method Active CN104162638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410399554.3A CN104162638B (en) 2014-08-14 2014-08-14 A kind of crystallizer cooling water control device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410399554.3A CN104162638B (en) 2014-08-14 2014-08-14 A kind of crystallizer cooling water control device and method

Publications (2)

Publication Number Publication Date
CN104162638A CN104162638A (en) 2014-11-26
CN104162638B true CN104162638B (en) 2016-02-03

Family

ID=51906730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410399554.3A Active CN104162638B (en) 2014-08-14 2014-08-14 A kind of crystallizer cooling water control device and method

Country Status (1)

Country Link
CN (1) CN104162638B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084553B (en) * 2014-07-24 2016-06-22 山西太钢不锈钢股份有限公司 Continuous cast mold soft water automatic regulating system
CN105436440A (en) * 2016-01-19 2016-03-30 中国重型机械研究院股份公司 Hydraulic vibration water way structure with production of different continuous cast billets combined and cooling method
CN107052294B (en) * 2017-05-26 2019-08-20 江苏省沙钢钢铁研究院有限公司 A method of reducing low-carbon boron-containing steel small billet corner crack
CN109014102B (en) * 2018-09-21 2020-07-17 中冶赛迪工程技术股份有限公司 Secondary cooling method for high-drawing-speed medium-thin slab continuous casting machine
CN109332614B (en) * 2018-11-12 2021-04-13 莱芜钢铁集团银山型钢有限公司 Cooling control device and method for single-point non-equilibrium casting special-shaped blank crystallizer
CN109434048A (en) * 2018-12-28 2019-03-08 西安科唯电热科技有限公司 A kind of crystallizer cooling device and its cooling means
CN110576160A (en) * 2019-09-26 2019-12-17 中冶赛迪工程技术股份有限公司 control system and method for crystallizer water of continuous casting machine
CN110666126B (en) * 2019-10-09 2024-02-06 中国重型机械研究院股份公司 Method for stabilizing convection heat exchange coefficient of crystallizer copper plate cooling water
CN114226673B (en) * 2021-11-22 2023-04-25 中冶赛迪技术研究中心有限公司 Temperature control method for cooling water of continuous casting crystallizer, storage medium and electronic terminal
CN115383072A (en) * 2022-08-25 2022-11-25 太原晋西春雷铜业有限公司 Control method of cooling water in crystallizer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH558687A (en) * 1973-03-30 1975-02-14 Concast Ag PROCESS FOR CONTROLLING THE COOLING CAPACITY OF NARROW SIDE WALLS IN PLATE CHILLES DURING CONTINUOUS CASTING AND PLATE CHILLES FOR CARRYING OUT THE PROCESS.
SU1748926A1 (en) * 1990-08-01 1992-07-23 Харьковский политехнический институт им.В.И.Ленина Thermal condition control apparatus for continuous metal casting machine mandrel type crystallizer
CN102059332B (en) * 2009-11-12 2014-08-20 上海宝信软件股份有限公司 System for realizing life cycle model of plate blank in basic automation
CN102554150A (en) * 2011-12-09 2012-07-11 太原科技大学 Crystallizer for continuous steel casting
CN103192047B (en) * 2013-02-21 2015-09-16 内蒙古包钢钢联股份有限公司 Conticaster crystallizer automatic cooling water control system and control method thereof
CN203292450U (en) * 2013-02-21 2013-11-20 内蒙古包钢钢联股份有限公司 Novel continuous casting machine crystallizer cooling water automatic control device
CN204122708U (en) * 2014-08-14 2015-01-28 中国重型机械研究院股份公司 A kind of crystallizer cooling water control device

Also Published As

Publication number Publication date
CN104162638A (en) 2014-11-26

Similar Documents

Publication Publication Date Title
CN104162638B (en) A kind of crystallizer cooling water control device and method
CN101678415B (en) Process and plant for the production of metal strip
CN204122708U (en) A kind of crystallizer cooling water control device
CN104874758B (en) Continuous casting weight pressing control method
CN106513617A (en) Device and method for improving casting blank quality of continuous casting production
CN102233415B (en) Method for setting width of ferrite stainless steel slab during continuous casting production
CN109261922B (en) Casting blank production process of solidification tail end large-reduction continuous casting machine
CN111014607B (en) Continuous casting high-quality accurate secondary cooling process
CN103071774A (en) Method for controlling surface temperature of casting blank at straightening point of continuous casting machine
CN103567409B (en) Method for on-line width adjusting of continuous casting
CN101791681B (en) Water-cooling die casting production process of plate blank used for medium plate
CN101554650B (en) Method for controlling online calibration of pulling-straightening roller gap under light pressure of bloom caster
CN201669411U (en) Cooling device of aluminum alloy metal type casting die
CN104057053B (en) A kind of continuous cast method of low-alloy steel wide and thick slab
CN108356240B (en) Corner efficient heat transfer thin slab narrow-face curved surface crystallizer and design method thereof
CN104174659B (en) A kind of big pressure rolling temperature control method of wick-containing
CN206519555U (en) It is a kind of to improve the device of continuous casting slab quality
CN104550808A (en) Method and device for producing steel ingots with fewer internal defects
CN102847904B (en) System and method for dynamic control of cooling of slab continuous casting crystallizer
JP2012045552A (en) Continuous casting method of steel cast slab
CN111872131A (en) Method for dynamically adjusting emulsion flow of cold continuous rolling mill
CN102228972B (en) Calculation method for solidification heat transfer process of continuous casting crystallizer
CN104014752A (en) Vertical type direct water cooling semicontinuous multi-ingot casting system
CN105945253A (en) Roll gap control method after bleed-out of slab caster
CN113128030B (en) Crystallizer slag rolling fault judging method and device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant