CN205571376U - Molten steel liquid level automatic control alarm system in conticaster crystallizer - Google Patents
Molten steel liquid level automatic control alarm system in conticaster crystallizer Download PDFInfo
- Publication number
- CN205571376U CN205571376U CN201620281604.2U CN201620281604U CN205571376U CN 205571376 U CN205571376 U CN 205571376U CN 201620281604 U CN201620281604 U CN 201620281604U CN 205571376 U CN205571376 U CN 205571376U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- control system
- molten steel
- signal processor
- straightening machine
- 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
Links
Abstract
The utility model discloses a molten steel liquid level automatic control alarm system in conticaster crystallizer, including installing the level sensor on the crystallizer, level sensor is connected with liquid level signal processor electricity, and liquid level signal processor is supplied power by power supply system, and liquid level signal processor is connected with the PLC control system electricity, the PLC control system while with the buzzer siren, draw that strong quick -witted control system and picture display are electric to be connected. The utility model has the advantages of can the interior molten steel liquid level of automatic control conticaster crystallizer.
Description
Technical field
This utility model relates to conticaster, is specifically related to molten steel liquid level automatic control alarm system in conticaster crystallizer.
Background technology
In the steel-making Multi-strand Continuous Casting system used at present, often stream monomer continuous casting installation for casting is required for individually being equipped with and waters steel work, makes the liquid steel level height in conticaster crystallizer be maintained at safety range by watering steel work according to the pulling rate of personal experience's Non-follow control withdrawal straightening machine.In above-mentioned conticaster crystallizer, the control mode of liquid steel level not only labor strength is big, and it is bigger by the personal experience's differentia influence watering steel work, cause the too high excessive steel accident of molten steel in mold liquid level to happen occasionally, and then have impact on the stability of product quality and production.
Utility model content
It is strong and can automatically control the molten steel liquid level automatic control alarm system of molten steel liquid level in conticaster crystallizer that the purpose of this utility model is to provide a kind of reliable and practical property.
For achieving the above object, this utility model adopts the technical scheme that molten steel liquid level automatic control alarm system in described conticaster crystallizer, including the level sensor being installed on crystallizer, level sensor electrically connects with liquid level signal processor, liquid level signal processor is powered by electric power system, liquid level signal processor electrically connects with PLC control system, and PLC control system electrically connects with buzzer siren, withdrawal straightening machine control system and picture display simultaneously；Described level sensor can monitor the liquid level of molten steel in mold in real time, and molten steel liquid level monitoring obtained is sent to liquid level signal processor with the form of current signal；The liquid level current signal that described liquid level signal processor energy real-time reception level sensor sends, and the liquid level current signal received can be converted to liquid level digital signal and be sent to PLC control system；The liquid level digital signal that described PLC control system energy real-time reception liquid level signal processor sends, and the liquid level digital signal received is converted to actual liquid level height, simultaneously by the actual liquid level height that obtains compared with safety levels setting height, when contrast obtains actual liquid level height higher than safety levels setting height, PLC control system can send withdrawal straightening machine speed-raising signal to withdrawal straightening machine control system, withdrawal straightening machine control system receive withdrawal straightening machine speed-raising signal after control withdrawal straightening machine speed-raising；When contrast obtains actual liquid level height less than safety levels setting height, PLC control system can send withdrawal straightening machine signal to reduce the speed to withdrawal straightening machine control system, and withdrawal straightening machine control system controls withdrawal straightening machine reduction of speed after receiving withdrawal straightening machine signal to reduce the speed；During work, absolute difference between actual liquid level height and safety levels setting height is more than 3mm more than 15s or time in 1min, absolute difference between actual liquid level height and the safety levels setting height fluctuation number of times more than 3mm is more than 15 times, and PLC control system can control buzzer siren and report to the police.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: described electric power system includes the first power supply and the second source simultaneously powered for liquid level signal processor, described first power supply is electrically connected with liquid level signal processor by the first Zener diode, and described second source is electrically connected with liquid level signal processor by the second Zener diode.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: on picture display, be provided with ann reset button, when after the SR that pushes for emergency, ann reset button can send to PLC control system and stop buzzer siren alarm signal, and PLC control system stops buzzer siren after receiving stopping buzzer siren alarm signal and reports to the police.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: described level sensor includes source of the penetrating receptor penetrated source emitter and electrically connect with liquid level signal processor, penetrate source emitter and the source receptor of penetrating and be satisfied with in crystallizer the opposite sides outside copper pipe symmetrically.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: described in penetrate the mounting means of source emitter and be: include being arranged at the vertical blind hole on crystallizer sidewall outside copper pipe, the source emitter of penetrating is arranged in vertical blind hole, can prevent from penetrating the rotation preventive mechanism that source emitter rotates in vertical blind hole penetrating to be provided with between source emitter and vertical blind hole, be provided with the capping covering vertical blind hole at the top of vertical blind hole.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: the structure of described rotation preventive mechanism is: the lower end penetrating source emitter is provided with spline groove, the spline boss just inserting spline groove it is provided with in the bottom of vertical blind hole.
Further, molten steel liquid level automatic control alarm system in aforesaid conticaster crystallizer, wherein: described capping is the plug being just threaded into vertical blind hole.
By the enforcement of technique scheme, the beneficial effects of the utility model are: (1) reliable and practical property is strong, the molten steel liquid level in conticaster crystallizer can be controlled automatically at safety levels setting height；(2) liquid level signal processor be have employed dual power supply mode, even if one of them power failure, another power supply also can continue to power to liquid level signal processor, thus substantially increases power supply reliability, it is ensured that the operation steady in a long-term of liquid level signal processor；(3) add molten steel liquid level abnormal alarm function in conticaster crystallizer, make field worker can find the situation that molten steel in mold liquid level is abnormal in time, and in time the fault causing liquid level abnormal is carried out investigation maintenance, further ensure the stability of production.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of molten steel liquid level automatic control alarm system in conticaster crystallizer described in the utility model.
Fig. 2 is the mounting structure schematic diagram of the level sensor 2 shown in Fig. 1.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, molten steel liquid level automatic control alarm system in described conticaster crystallizer, including the level sensor 2 being installed on crystallizer 1, level sensor 2 electrically connects with liquid level signal processor 3, liquid level signal processor 3 is powered by electric power system 4, liquid level signal processor 4 electrically connects with PLC control system 5, and PLC control system 5 electrically connects with buzzer siren 6, withdrawal straightening machine control system 7 and picture display 8 simultaneously；Described level sensor 2 can monitor the liquid level of molten steel in crystallizer 1 in real time, and molten steel liquid level monitoring obtained is sent to liquid level signal processor 3 with the form of current signal；Described liquid level signal processor 3 can the liquid level current signal that sends of real-time reception level sensor 2, and the liquid level current signal received can be converted to liquid level digital signal and be sent to PLC control system 5；The liquid level digital signal that described PLC control system 5 energy real-time reception liquid level signal processor 3 sends, and the liquid level digital signal received is converted to actual liquid level height, simultaneously by the actual liquid level height that obtains compared with safety levels setting height, when contrast obtains actual liquid level height higher than safety levels setting height, PLC control system 5 can send withdrawal straightening machine speed-raising signal to withdrawal straightening machine control system 7, withdrawal straightening machine control system 7 receive withdrawal straightening machine speed-raising signal after control withdrawal straightening machine speed-raising；When contrast obtains actual liquid level height less than safety levels setting height, PLC control system 5 can send withdrawal straightening machine signal to reduce the speed to withdrawal straightening machine control system 7, and withdrawal straightening machine control system 7 controls withdrawal straightening machine reduction of speed after receiving withdrawal straightening machine signal to reduce the speed；During work, absolute difference between actual liquid level height and safety levels setting height is more than 3mm more than 15s or time in 1min, absolute difference between actual liquid level height and the safety levels setting height fluctuation number of times more than 3mm is more than 15 times, and PLC control system 5 can control buzzer siren 6 and report to the police；In the present embodiment, described electric power system includes the first power supply 9 and the second source 10 simultaneously powered for liquid level signal processor 3, described first power supply 9 is electrically connected with liquid level signal processor 3 by the first Zener diode 11, described second source 10 is connected with liquid level signal processor electricity 3 by the second Zener diode 12, after using above-mentioned dual power supply mode, even if one of them power failure and cannot be when liquid level signal processor 3 is powered, another power supply also can continue to power to liquid level signal processor 3, thus substantially increase power supply reliability, ensure that the operation steady in a long-term of liquid level signal processor 3；In the present embodiment, picture display 8 is provided with ann reset button 13, when after the SR 13 that pushes for emergency, ann reset button 13 can send to PLC control system 5 and stop buzzer siren alarm signal, PLC control system 5 stops buzzer siren 6 after receiving stopping buzzer siren alarm signal and reports to the police, so after staff is by crystallizer failture evacuation, buzzer siren 6 can be stopped by the SR 13 that pushes for emergency and report to the police, easy to operate；In the present embodiment, described level sensor includes source of the penetrating receptor 15 penetrated source emitter 14 and electrically connect with liquid level signal processor 3, penetrate source emitter 14 and penetrate source receptor 15 and be satisfied with in crystallizer 1 opposite sides outside copper pipe 16 symmetrically, above-mentioned level sensor simple in construction, convenient to install and maintain；In the present embodiment, described penetrate source emitter mounting means be: include being arranged at the vertical blind hole 17 on crystallizer 1 sidewall outside copper pipe 16, penetrate source emitter 14 to be arranged in vertical blind hole 17, can prevent from penetrating the rotation preventive mechanism that source emitter 14 rotates in vertical blind hole 17 penetrating to be provided with between source emitter 14 and vertical blind hole 17, the capping 18 covering vertical blind hole 17 it is provided with at the top of vertical blind hole 17, above-mentioned penetrate source emitter mounting means simple in construction, convenient to install and maintain, substantially increase the operation stability penetrating source emitter；In the present embodiment, the structure of described rotation preventive mechanism is: the lower end penetrating source emitter 14 is provided with spline groove 19, be provided with in the bottom of vertical blind hole 17 just insert spline groove 19 spline boss 20, above-mentioned rotation preventive mechanism simple in construction, convenient to install and maintain；In the present embodiment, described capping 18 is the plug being just threaded into vertical blind hole 17, and this capping is easier for installation；
Operation principle of the present utility model is as follows:
During crystallizer 1 uses, the liquid level of molten steel in level sensor 2 meeting monitoring crystallizer 1 in real time, and molten steel liquid level monitoring obtained is sent to liquid level signal processor 3 with the form of current signal, after liquid level signal processor 3 receives the liquid level current signal that level sensor 2 sends, the liquid level current signal received can be converted to liquid level digital signal and be sent to PLC control system 5；After PLC control system 5 receives the liquid level digital signal that liquid level signal processor 3 sends, the liquid level digital signal received can be converted to actual liquid level height, and by the actual liquid level height that obtains compared with safety levels setting height, when contrast obtains actual liquid level height higher than safety levels setting height, PLC control system 5 can send withdrawal straightening machine speed-raising signal to withdrawal straightening machine control system 7, withdrawal straightening machine control system 7 controls withdrawal straightening machine after receiving withdrawal straightening machine speed-raising signal and raises speed, thus the actual liquid level height of molten steel in reducing crystallizer 1；When contrast obtains actual liquid level height less than safety levels setting height, PLC control system 5 can send withdrawal straightening machine signal to reduce the speed to withdrawal straightening machine control system 7, withdrawal straightening machine control system 7 receives and controls withdrawal straightening machine reduction of speed after withdrawal straightening machine signal to reduce the speed, thus the actual liquid level height of molten steel in increasing crystallizer 1；
When PLC control system detection obtains absolute difference between actual liquid level height and safety levels setting height more than 3mm more than 15s or time absolute difference between actual liquid level height and the safety levels setting height fluctuation number of times more than 3mm is more than 15 times in 1min, PLC control system 5 can control buzzer siren 6 and report to the police, in prompting field worker now conticaster crystallizer, molten steel liquid level is abnormal, after field worker completes to overhaul the investigation causing liquid level abnormal failure, push for emergency SR 13 again, ann reset button 13 can send to PLC control system 5 and stop buzzer siren alarm signal, PLC control system 5 can stop buzzer siren 6 after receiving stopping buzzer siren alarm signal and report to the police；
The utility model has the advantages that: (1) reliable and practical property is strong, the molten steel liquid level in conticaster crystallizer can be controlled automatically at safety levels setting height；(2) liquid level signal processor be have employed dual power supply mode, even if one of them power failure, another power supply also can continue to power to liquid level signal processor, thus substantially increases power supply reliability, it is ensured that the operation steady in a long-term of liquid level signal processor；(3) add molten steel liquid level abnormal alarm function in conticaster crystallizer, make field worker can find the situation that molten steel in mold liquid level is abnormal in time, and in time the fault causing liquid level abnormal is carried out investigation maintenance, further ensure the stability of production.
Claims (7)
1. molten steel liquid level automatic control alarm system in conticaster crystallizer, it is characterized in that: include the level sensor being installed on crystallizer, level sensor electrically connects with liquid level signal processor, liquid level signal processor is powered by electric power system, liquid level signal processor electrically connects with PLC control system, and PLC control system electrically connects with buzzer siren, withdrawal straightening machine control system and picture display simultaneously；Described level sensor can monitor the liquid level of molten steel in mold in real time, and molten steel liquid level monitoring obtained is sent to liquid level signal processor with the form of current signal；The liquid level current signal that described liquid level signal processor energy real-time reception level sensor sends, and the liquid level current signal received can be converted to liquid level digital signal and be sent to PLC control system；The liquid level digital signal that described PLC control system energy real-time reception liquid level signal processor sends, and the liquid level digital signal received is converted to actual liquid level height, simultaneously by the actual liquid level height that obtains compared with safety levels setting height, when contrast obtains actual liquid level height higher than safety levels setting height, PLC control system can send withdrawal straightening machine speed-raising signal to withdrawal straightening machine control system, withdrawal straightening machine control system receive withdrawal straightening machine speed-raising signal after control withdrawal straightening machine speed-raising；When contrast obtains actual liquid level height less than safety levels setting height, PLC control system can send withdrawal straightening machine signal to reduce the speed to withdrawal straightening machine control system, and withdrawal straightening machine control system controls withdrawal straightening machine reduction of speed after receiving withdrawal straightening machine signal to reduce the speed；During work, absolute difference between actual liquid level height and safety levels setting height is more than 3mm more than 15s or time in 1min, absolute difference between actual liquid level height and the safety levels setting height fluctuation number of times more than 3mm is more than 15 times, and PLC control system can control buzzer siren and report to the police.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 1, it is characterized in that: described electric power system includes the first power supply and the second source simultaneously powered for liquid level signal processor, described first power supply is electrically connected with liquid level signal processor by the first Zener diode, and described second source is electrically connected with liquid level signal processor by the second Zener diode.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 1, it is characterized in that: on picture display, be provided with ann reset button, when after the SR that pushes for emergency, ann reset button can send to PLC control system and stop buzzer siren alarm signal, and PLC control system stops buzzer siren after receiving stopping buzzer siren alarm signal and reports to the police.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 1, it is characterized in that: described level sensor includes source of the penetrating receptor penetrated source emitter and electrically connect with liquid level signal processor, penetrate source emitter and the source receptor of penetrating and be satisfied with in crystallizer the opposite sides outside copper pipe symmetrically.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 4, it is characterized in that: described in penetrate the mounting means of source emitter and be: include being arranged at the vertical blind hole on crystallizer sidewall outside copper pipe, the source emitter of penetrating is arranged in vertical blind hole, can prevent from penetrating the rotation preventive mechanism that source emitter rotates in vertical blind hole penetrating to be provided with between source emitter and vertical blind hole, be provided with the capping covering vertical blind hole at the top of vertical blind hole.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 5, it is characterized in that: the structure of described rotation preventive mechanism is: the lower end penetrating source emitter is provided with spline groove, be provided with the spline boss just inserting spline groove in the bottom of vertical blind hole.
Molten steel liquid level automatic control alarm system in conticaster crystallizer the most according to claim 5, it is characterised in that: described capping is the plug being just threaded into vertical blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281604.2U CN205571376U (en) | 2016-04-07 | 2016-04-07 | Molten steel liquid level automatic control alarm system in conticaster crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281604.2U CN205571376U (en) | 2016-04-07 | 2016-04-07 | Molten steel liquid level automatic control alarm system in conticaster crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205571376U true CN205571376U (en) | 2016-09-14 |
Family
ID=56865135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281604.2U Active CN205571376U (en) | 2016-04-07 | 2016-04-07 | Molten steel liquid level automatic control alarm system in conticaster crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205571376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665675A (en) * | 2016-04-07 | 2016-06-15 | 江苏永钢集团有限公司 | Automatic control and alarming system of molten steel liquid level in crystallizer of continuous casting machine |
-
2016
- 2016-04-07 CN CN201620281604.2U patent/CN205571376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665675A (en) * | 2016-04-07 | 2016-06-15 | 江苏永钢集团有限公司 | Automatic control and alarming system of molten steel liquid level in crystallizer of continuous casting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105665675A (en) | Automatic control and alarming system of molten steel liquid level in crystallizer of continuous casting machine | |
| CN205571376U (en) | Molten steel liquid level automatic control alarm system in conticaster crystallizer | |
| CN103615260B (en) | A kind of concrete lining of inclined shaft construction safe trailer system of travelling bogie | |
| CN109356835A (en) | A kind of underground pump station tele-control system | |
| CN203740898U (en) | Tower crane lifting hook visual control device with weight and height monitoring function | |
| CN110750080A (en) | Intelligent climbing frame control system and control method thereof | |
| CN203565818U (en) | Automatic control system for molten steel liquid level in metallurgy continuous casting machine crystallizer | |
| CN209161281U (en) | A kind of blocking device of the exceeded alarm in brake clearance for underground coal mine | |
| CN210466114U (en) | Automatic water feeding device for converter steam drum | |
| CN104133495A (en) | Remote monitoring system for substation flood control facilities | |
| CN113582022B (en) | Monitoring and early warning system and method for preventing single-rail hanging scratch and damage | |
| CN205638435U (en) | Mud liquid level warning automatic control appearance | |
| CN205308126U (en) | Desulfurization process water addition device | |
| CN214243594U (en) | Automatic control device for preventing petroleum electric drilling machine traveling block from being knocked up and down | |
| CN204661536U (en) | A kind of full-automatic molten tin bath cooling system | |
| CN204325965U (en) | The automatic rail machine that a kind of direct-drive and position are detected | |
| CN205060799U (en) | Stifled alarm device is prevented to machine of carrying of fighting | |
| CN205684681U (en) | Cutter sweep selected automatically by conticaster mouth of a river base | |
| CN204728328U (en) | Oil field anchoring pile warning device | |
| CN104730954A (en) | Intelligent image positioning intermissive pumping controller | |
| CN207018437U (en) | A kind of guy rope connecting device | |
| CN220317033U (en) | Vertical shaft hoist tail rope kink detection device | |
| CN205927277U (en) | Cutter with function is examined in automatic school | |
| CN205973341U (en) | Slack -rope detecting device | |
| CN202057726U (en) | Frequency converter frequency detection device in winch electrical control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |