CN204129488U - Caster two cold (operating) water nozzle lift control system - Google Patents
Caster two cold (operating) water nozzle lift control system Download PDFInfo
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- CN204129488U CN204129488U CN201420501770.XU CN201420501770U CN204129488U CN 204129488 U CN204129488 U CN 204129488U CN 201420501770 U CN201420501770 U CN 201420501770U CN 204129488 U CN204129488 U CN 204129488U
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Abstract
The utility model belongs to technical field of metallurgical equipment, is specifically related to a kind of caster two cold (operating) water nozzle lift control system, comprises nozzle, also comprise the spraying rack be fixedly connected with nozzle, the hoist cylinder be connected with described spraying rack; Described hoist cylinder chamber is provided with high-speed switch valve, and described high-speed switch valve is connected with PLC, and described PLC is connected with detecting unit, technological operation monitoring unit; Described detecting unit is used for the position of gaging nozzle; Described technological operation monitoring unit, for technological operation and the state and the parameter that obtain spraying rack from PLC 5, Real-time Feedback is to process operator.The utility model overcomes current secondary cooling water of continuous casting overall nozzle does not have elevating control, the breadth extreme that the layout of secondary cooling water nozzle must cover continuous casting billet requires and nonadjustable problem, has applicability strong, easy to use, safe and reliable, control accuracy advantages of higher.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, is specifically related to a kind of caster two cold (operating) water nozzle lift control system.
Background technology
The secondary cooling water overall nozzle of current continuous casting in China machine does not have elevating control, the breadth extreme that the layout of secondary cooling water nozzle must cover continuous casting billet requires and can not adjust, therefore, when the strand that production width is less, strand edge and angle can crack due to undercooling.
But, along with the development of control and management technology, the raising that market requires product quality, conventional fixed-type secondary cooling water nozzle arrangement scheme is unfavorable for the optimization of continuous casting process for cooling and causes the waste of water resource, also be not suitable with the requirement of modern enterprise to product quality simultaneously, can not adapt to the requirement of conticaster.
, plate wide tuning range various for modern slab caster product category requires high greatly, to cc billet surface quality and internal soundness for this reason, needs to develop a kind of novel secondary cooling water nozzle lifting electric control system.
Utility model content
The purpose of this utility model overcomes secondary cooling water of continuous casting overall nozzle in prior art not have elevating control, and the breadth extreme that the layout of secondary cooling water nozzle must cover continuous casting billet requires and nonadjustable problem.
For this reason, the utility model provides a kind of caster two cold (operating) water nozzle lift control system, comprises nozzle, also comprises the spraying rack be fixedly connected with nozzle, the hoist cylinder be connected with described spraying rack;
Described hoist cylinder chamber is provided with high-speed switch valve, described high-speed switch valve is connected with PLC, described PLC is connected with the detecting unit for gaging nozzle position, and PLC is also connected with the technological operation monitoring unit for obtaining spraying rack state and parameter simultaneously.
Described detecting unit is displacement transducer.
Described technological operation monitoring unit and PLC adopt Industrial Ethernet to carry out communication by switch, and described PLC carries out communication by CANopen fieldbus and displacement transducer.
The I/O input/output interface of described PLC:
The input interface I0.0 of PLC: lifting operated from a distance is selected;
The input interface I0.1 of PLC: the other operation of lifter is selected;
The input interface I0.2 of PLC: lifting lifting operations;
The input interface I0.3 of PLC: lifting locking operates;
The input interface I0.4 of PLC: lifting step-down operation;
The input interface CANopen node address 11 of PLC: inner arc transmission side nozzle location;
The input interface CANopen node address 12 of PLC: the non-drive side nozzle position of inner arc;
The input interface CANopen node address 13 of PLC: outer arc transmission side nozzle location;
The input interface CANopen node address 14 of PLC: the non-drive side nozzle position of outer arc;
The output interface Q0.0 of PLC: inner arc transmission side declines;
The output interface Q0.1 of PLC: inner arc transmission side rises;
The output interface Q0.2 of PLC: the non-drive side of inner arc declines;
The output interface Q0.3 of PLC: non-drive side rises inner arc;
The output interface Q0.4 of PLC: outer arc transmission side declines;
The output interface Q0.5 of PLC: outer arc transmission side rises;
The output interface Q0.6 of PLC: the non-drive side of outer arc declines;
The output interface Q0.7 of PLC: non-drive side rises outer arc;
The output interface Q1.0 of PLC: nozzle lifting is high-order;
The output interface Q1.1 of PLC: nozzle lifting low level.
The input interface of PLC and the corresponding relation of output interface are non-static, and sequential control and logic control function are realized by PLC, and input interface is corresponding with input signal, and output interface is corresponding with output signal.
Between described PLC and field apparatus, stube cable all adopts aviation plug type cable.
The utility model adopts Industrial Ethernet and CANopen field bus communication agreement, the actual position value of nozzle is detected in real time by detecting unit, according to the optimum target position value of the technological parameter determination nozzle of slab, by technological operation monitoring unit, positional value is downloaded to PLC, PLC carries out control algorithm according to actual position value and optimum target position value, control the position of high-speed switch valve adjustment nozzle, overcome current secondary cooling water of continuous casting overall nozzle and there is no elevating control, the breadth extreme that the layout of secondary cooling water nozzle must cover continuous casting billet requires and nonadjustable problem, there is applicability strong, easy to use, safe and reliable, control accuracy advantages of higher.
Be described in further details below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic diagram of the present utility model.
In figure: 1, nozzle; 2, hoist cylinder; 3, displacement transducer; 4, high-speed switch valve; 5, PLC; 6, technological operation monitoring unit; 7, switch; 8, fixing spraying rack; 9, spraying rack is elevated; 10, continuous casting billet.
Embodiment
Do not have elevating control to solve secondary cooling water of continuous casting overall nozzle in prior art, the breadth extreme that the layout of secondary cooling water nozzle must cover continuous casting billet requires and nonadjustable problem.Present embodiments provide a kind of caster two cold (operating) water nozzle lift control system as shown in Figure 1, 2, comprise nozzle 1, also comprise the spraying rack be fixedly connected with nozzle 1, the hoist cylinder 2 be connected with spraying rack;
Hoist cylinder chamber 2 is provided with high-speed switch valve 4, and high-speed switch valve 4 is connected with PLC 5, and this PLC 5 is connected with detecting unit, technological operation monitoring unit 6; PLC 5 is for realizing real-time data acquisition and PID closed-loop control, technological operation monitoring unit 6, and for technological operation and the state and the parameter that obtain spraying rack from PLC 5, Real-time Feedback is to process operator.Technological operation monitoring unit 6 and PLC 5 adopt Industrial Ethernet to carry out communication by switch 7; Detecting unit is displacement transducer 3, for the position of gaging nozzle 1, communication is carried out by CANopen fieldbus and PLC 5, this displacement transducer 5 exports a signal to PLC 5 according to nozzle 1 physical location detected, PLC 5 realizes pid control computation and operation result is converted to pulse width exporting high-speed switch valve 4 to, regulates nozzle 1 position by the make-and-break time controlling high-speed switch valve 4.
The I/O input/output interface of PLC 5:
The input interface I0.0 of PLC: lifting operated from a distance is selected;
The input interface I0.1 of PLC: the other operation of lifter is selected;
The input interface I0.2 of PLC: lifting lifting operations;
The input interface I0.3 of PLC: lifting locking operates;
The input interface I0.4 of PLC: lifting step-down operation;
The input interface CANopen node address 11 of PLC: inner arc transmission side nozzle location;
The input interface CANopen node address 12 of PLC: the non-drive side nozzle position of inner arc;
The input interface CANopen node address 13 of PLC: outer arc transmission side nozzle location;
The input interface CANopen node address 14 of PLC: the non-drive side nozzle position of outer arc;
The output interface Q0.0 of PLC: inner arc transmission side declines;
The output interface Q0.1 of PLC: inner arc transmission side rises;
The output interface Q0.2 of PLC: the non-drive side of inner arc declines;
The output interface Q0.3 of PLC: non-drive side rises inner arc;
The output interface Q0.4 of PLC: outer arc transmission side declines;
The output interface Q0.5 of PLC: outer arc transmission side rises;
The output interface Q0.6 of PLC: the non-drive side of outer arc declines;
The output interface Q0.7 of PLC: non-drive side rises outer arc;
The output interface Q1.0 of PLC: nozzle lifting is high-order;
The output interface Q1.1 of PLC: nozzle lifting low level.
The input interface of PLC 5 and the corresponding relation of output interface are non-static, and sequential control and logic control function are realized by PLC 5, and input interface is corresponding with input signal, and output interface is corresponding with output signal; Between PLC 5 and field apparatus, stube cable all adopts aviation plug type cable, to realize when plant maintenance is changed connecting fast, ensures that it can adapt to various industrial environment simultaneously.
In the present embodiment, PLC 5 is integrated with power module, and model is 6ES7 407-OKA01-0AA0; CPU module, model is 6ES7 416-2XN05-0AB0; Ethernet communication module, model is 6ES7 443-1EX11-0XE0; Interface module, model is 6ES7 151-1AA05-0AB0; Power module, model is 6ES7 138-4CA01-0AA0; 1SI CANopen module, model is 020570-B; Switching input module, model is 6ES7 131-4BF00-0AA0; Switching value output module, model is 6ES7 132-4BF00-0AA0; Displacement transducer model is BLT5-H114-MO350-B-S94, and high-speed switch valve 4 model is 4QSF10D-1X/G24W9ML.
The implementation procedure of the utility model object: as shown in Figure 1, the upper surface of continuous casting billet 10 is inner arc side, and lower surface is outer arc side, and left side is non-drive side, and right side is transmission side.On the same position of continuous casting billet 10, three groups of spraying racks are arranged respectively along inner arc side on strand Width and outer arc side, nozzle 1 is arranged on spraying rack, fixing spraying rack 8 in the middle of in three groups of spraying racks of every side, not by lift adjustment nozzle 1 position, arranged on left and right sides lifting spraying rack 9 is respectively connected with a set of hoist cylinder 2, change hoist cylinder 2 piston position to reach the object changing nozzle 1 position by the break-make controlling high-speed switch valve 4, therefore, outer arc has four cover nozzle hoist cylinders 2 and spraying rack needs to control.
Caster two cold (operating) water nozzle elevating control has two kinds of patterns: hand-operated lifting, automatic lifting, but first should carry out the demarcation at zero point before any operation.
Hand-operated lifting pattern: can rise to inner arc or outer arc single-nozzle jacking gear, decline, lock operation, also one-sidedly can to rise to inner arc or outer arc, decline, lock operation.
Automatic lifting pattern: as shown in Figure 2, technological operation monitoring unit 6 passes through switch, Industrial Ethernet and PLC 5 is adopted to carry out communication, according to technological parameter such as cast section, steel grade etc., determine the optimum target position of nozzle 1, input optimum target position value by technological operation monitoring unit 6, and this position setting value is downloaded in PLC 5, control high-speed switch valve 4 by PLC 5 and perform; Technological operation and order are sent to PLC 5 simultaneously, and the actual motion state of equipment is obtained from PLC 5, Real-time Feedback is to process operator, switch 7 reserves Industrial Ethernet interface simultaneously, it is made to possess and the ability of the equipment such as other PLC of one-level, classify management computing machine by Industrial Ethernet communication, technological operation monitoring unit 6 is contact type operation panel, and model is 6AV6 634-0CD01-1AX1.
PLC 5 is by CANopen fieldbus and displacement transducer communication, realize the detection to nozzle 1 physical location, PLC 5 is fed back according to displacement transducer 3 actual position value obtained and is realized pid control computation, and this is converted to pulse width and exports high-speed switch valve 4 to, by controlling the make-and-break time Control Nozzle position of high-speed switch valve 4, in nozzle 1 automatic lifting process, interior outer arc four overlaps nozzle elevating device needs action simultaneously, the control accuracy of lifting position determines the cooling area coverage of secondary cooling water of continuous casting, intensity and homogeneity, cooling effect directly affects surface quality and the internal soundness of continuous casting billet, for ensureing casting billet surface cooling evenly, the nozzle of interior outer arc must be adjusted to the right place according to the position of technological requirement simultaneously.
The technology that the present embodiment does not describe in detail belongs to known technology or the common technology of the industry, does not describe one by one here.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. connect secondary cooling water of continuous casting nozzle lift control system, comprise nozzle (1), it is characterized in that: also comprise the spraying rack be fixedly connected with nozzle (1), the hoist cylinder be connected with described spraying rack (2);
Described hoist cylinder (2) chamber is provided with high-speed switch valve (4), described high-speed switch valve (4) is connected with PLC (5), described PLC (5) is connected with the detecting unit for gaging nozzle (1) position, and PLC (5) is also connected with the technological operation monitoring unit (6) for obtaining spraying rack state and parameter simultaneously.
2. caster two cold (operating) water nozzle lift control system according to claim 1, is characterized in that: described detecting unit is displacement transducer (3).
3. caster two cold (operating) water nozzle lift control system according to claim 2, it is characterized in that: described technological operation monitoring unit (6) and PLC (5) adopt Industrial Ethernet to carry out communication by switch (7), and described PLC (5) carries out communication by CANopen fieldbus and displacement transducer (3).
4. the caster two cold (operating) water nozzle lift control system according to claim 1 or 3, is characterized in that, the I/O input/output interface of described PLC (5):
The input interface I0.0 of PLC: lifting operated from a distance is selected;
The input interface I0.1 of PLC: the other operation of lifter is selected;
The input interface I0.2 of PLC: lifting lifting operations;
The input interface I0.3 of PLC: lifting locking operates;
The input interface I0.4 of PLC: lifting step-down operation;
The input interface CANopen node address 11 of PLC: inner arc transmission side nozzle location;
The input interface CANopen node address 12 of PLC: the non-drive side nozzle position of inner arc;
The input interface CANopen node address 13 of PLC: outer arc transmission side nozzle location;
The input interface CANopen node address 14 of PLC: the non-drive side nozzle position of outer arc;
The output interface Q0.0 of PLC: inner arc transmission side declines;
The output interface Q0.1 of PLC: inner arc transmission side rises;
The output interface Q0.2 of PLC: the non-drive side of inner arc declines;
The output interface Q0.3 of PLC: non-drive side rises inner arc;
The output interface Q0.4 of PLC: outer arc transmission side declines;
The output interface Q0.5 of PLC: outer arc transmission side rises;
The output interface Q0.6 of PLC: the non-drive side of outer arc declines;
The output interface Q0.7 of PLC: non-drive side rises outer arc;
The output interface Q1.0 of PLC: nozzle lifting is high-order;
The output interface Q1.1 of PLC: nozzle lifting low level.
5. caster two cold (operating) water nozzle lift control system according to claim 4, it is characterized in that: the input interface of PLC (5) and the corresponding relation of output interface are non-static, sequential control and logic control function are realized by PLC (5), input interface is corresponding with input signal, and output interface is corresponding with output signal.
6. caster two cold (operating) water nozzle lift control system according to claim 1, is characterized in that: between described PLC (5) and field apparatus, stube cable all adopts aviation plug type cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501770.XU CN204129488U (en) | 2014-09-02 | 2014-09-02 | Caster two cold (operating) water nozzle lift control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501770.XU CN204129488U (en) | 2014-09-02 | 2014-09-02 | Caster two cold (operating) water nozzle lift control system |
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| Publication Number | Publication Date |
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| CN204129488U true CN204129488U (en) | 2015-01-28 |
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| CN201420501770.XU Active CN204129488U (en) | 2014-09-02 | 2014-09-02 | Caster two cold (operating) water nozzle lift control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880988A (en) * | 2015-05-29 | 2015-09-02 | 唐山国丰钢铁有限公司 | Continuous casting vibration and water distribution model adjusting control method |
| US10722824B2 (en) | 2016-10-18 | 2020-07-28 | Ecolab Usa Inc. | Device to separate water and solids of spray water in a continuous caster, and method to monitor and control corrosion background |
-
2014
- 2014-09-02 CN CN201420501770.XU patent/CN204129488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880988A (en) * | 2015-05-29 | 2015-09-02 | 唐山国丰钢铁有限公司 | Continuous casting vibration and water distribution model adjusting control method |
| CN104880988B (en) * | 2015-05-29 | 2017-06-27 | 唐山国丰钢铁有限公司 | A kind of continuous casting vibration and water allocation model adjustment control method |
| US10722824B2 (en) | 2016-10-18 | 2020-07-28 | Ecolab Usa Inc. | Device to separate water and solids of spray water in a continuous caster, and method to monitor and control corrosion background |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |