CN105632140A - Monitoring method of electric slag furnaces - Google Patents
Monitoring method of electric slag furnaces Download PDFInfo
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- CN105632140A CN105632140A CN201410608042.3A CN201410608042A CN105632140A CN 105632140 A CN105632140 A CN 105632140A CN 201410608042 A CN201410608042 A CN 201410608042A CN 105632140 A CN105632140 A CN 105632140A
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- electroslag furnace
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- slave computer
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- wireless module
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Abstract
The invention discloses a monitoring method of electric slag furnaces. The monitoring method comprises following steps: 1, communication connection is established, wherein communication connection of a monitoring center PC in a remote monitor center with a network coordination controller is established via serial communication interfaces, and communication connection of a plurality of sub-controllers which are arranged in steelmaking workshops and are used for controlling working of electric slag furnaces with the network coordination controller is established via a ZigBee wireless communication network; 2, a signal collection unit is used for detecting working parameters of the electric slag furnaces; 3, signal processing and remote transmission are carried out; 4, remove data processing and control command sending are carried out; 5, control commands are executed; and 6, status display, report generation, and failure warning are realized. Realtime performance of the monitoring method is excellent; data generated in production process can be recorded timely; accuracy is high; influences caused by human factors are reduced; labor intensity of operation staff is reduced; practicality is high; alarm reporting and process reports can be printed at any time for analytical investigation by relevant personnel.
Description
Technical field
The present invention relates to a kind of monitoring method, especially relate to a kind of monitoring method of electroslag furnace.
Background technology
Electroslag furnace is a kind of consutrode utilizing melting current to produce heat energy fusing insertion slag bath, and metal drop is crystallized into the special smelting equipment of one of ESR ingot in water mold, is the requisite production equipment of special steel plant after being cleaned by slag liquid. Along with economic construction development, it is desirable to smelter provides the special steel material of high-quality low-cost, finely excellent and high purity. Therefore metallurgical industry must be constantly brought forth new ideas on process equipment, and adopts the purpose of the state-of-the-art technology accurate, efficient, volume increase and consumption reduction to realize its production process.
Existing electroslag furnace control method is just for single electroslag furnace working condition, and bulk information needs to rely on site operation personnel's observed and recorded, and cost is high, and production efficiency is low, is not suitable for the Centralized Monitoring of large steel-making plant containing multiple stage smelting equipment.
Summary of the invention
The technical problem to be solved is in that for above-mentioned deficiency of the prior art, it is provided that a kind of monitoring method of electroslag furnace, it is possible to real time data and the integrated information run multiple electroslag furnaces carry out complete documentation and monitoring.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of monitoring method of electroslag furnace, it is characterised in that comprise the following steps:
Step one, set up communication connection: the Surveillance center's PC being laid in remote monitoring center sets up communication connection by serial communication interface with network coprocessor, being laid in steelshop and set up communication connection with network coprocessor by ZigBee cordless communication network for the multiple sub-controllers controlling electroslag furnace work, the quantity of described sub-controller is equal with the quantity of electroslag furnace; Described Surveillance center PC is internally provided with configuration monitoring module, auto report completing module and alarm module; Described network coprocessor includes master control processor and the ZigBee wireless module connected with described master control processor; Described sub-controller includes sub-control processor, the 2nd ZigBee wireless module, slave computer, signal gathering unit, pressure regulation unit and Electrode control unit, described sub-control processor connects with the 2nd ZigBee wireless module and slave computer respectively, and described signal gathering unit, pressure regulation unit and Electrode control unit all connect with slave computer;
Step 2, electroslag furnace running parameter detects: adopt signal gathering unit that the running parameter of electroslag furnace is detected, including in the following manner:
Adopt the first temperature sensor that the temperature on electroslag furnace consutrode top is detected in real time;
Adopt heat flow transducer that the hot-fluid on electroslag furnace consutrode top is detected in real time;
Voltage transformer summation current transformer is adopted respectively the voltage and current being serially connected in the short net between magnetic voltage regulator and consutrode to be detected in real time;
Adopt LOAD CELLS that the weight of crystallizer for electroslag furnace is detected in real time;
Adopt the second temperature sensor that the temperature in the bottom water tank of crystallizer for electroslag furnace is detected in real time;
Step 3, signal processing and remote transmission: the signal detected is transferred to slave computer by above-mentioned signal gathering unit respectively, described signal is accessed by slave computer, is then transferred to sub-control processor; The parameters such as the baud rate of described signal, image resolution ratio and transmission mode are set by sub-control processor, are then transferred to the 2nd ZigBee wireless module; 2nd ZigBee wireless module is sent to a ZigBee wireless module through ZigBee cordless communication network after described signal is carried out protocol conversion and modulation treatment; Oneth ZigBee wireless module is transferred to master control processor after receiving the signal that multiple 2nd ZigBee wireless module sends, and master control processor is transmitted to Surveillance center's PC by serial communication interface after being collected by described signal;
Step 4, Remote data processing sends with control command: after Surveillance center's PC receives the signal that the transmission of master control processor comes, it is analyzed judging to it, and carry out information alternately with slave computer, send voltage-regulation control command and Electrode control order to slave computer according to analyzing the result judged;
Step 5, control command performs: slave computer sends control signal to described pressure regulation unit, and the melting voltage of consutrode is regulated in real time by described pressure regulation unit by magnetic voltage regulator, to reach the purpose of power limitation control; Slave computer sends control signal to described Electrode control unit, and the position of consutrode is adjusted in real time by described Electrode control unit by step motor drive elevating mechanism;
Step 6, state shows, report generation and fault alarm: it is mutual that slave computer and Surveillance center's PC carry out information, the working status parameter of electroslag furnace is real-time transmitted to Surveillance center's PC, Surveillance center's PC calls described configuration monitoring module and runs, and shows the instantaneous operating conditions of electroslag furnace on its monitoring interface; Described auto report completing module stores after being generated by data sheet automatically in order to inquiry; If operation troubles occurs in electroslag furnace, then described alarm module drives warning circuit to send alarm signal, and described warning circuit connects with Surveillance center PC.
The monitoring method of above-mentioned a kind of electroslag furnace, is characterized in that: described slave computer is Siemens S7 series PLC.
The monitoring method of above-mentioned a kind of electroslag furnace, is characterized in that: a described ZigBee wireless module and the 2nd ZigBee wireless module are CC2430 chip.
The monitoring method of above-mentioned a kind of electroslag furnace, is characterized in that: described first temperature sensor and the second temperature sensor are DS18B20.
The monitoring method of above-mentioned a kind of electroslag furnace, is characterized in that: be connected to converter between described motor and described slave computer.
The present invention compared with prior art has the advantage that real-time is good: can record the data produced in process of production timely; Accuracy is high: can reduce the impact of anthropic factor, alleviate labor intensity of operating staff; Practical: alarm logging, procedure-report can be printed at any time, analyze and research for the relevant personnel.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention.
Detailed description of the invention
As it is shown in figure 1, the present invention comprises the following steps:
Step one, set up communication connection: the Surveillance center's PC being laid in remote monitoring center sets up communication connection by serial communication interface with network coprocessor, being laid in steelshop and set up communication connection with network coprocessor by ZigBee cordless communication network for the multiple sub-controllers controlling electroslag furnace work, the quantity of described sub-controller is equal with the quantity of electroslag furnace; Described Surveillance center PC is internally provided with configuration monitoring module, auto report completing module and alarm module; Described network coprocessor includes master control processor and the ZigBee wireless module connected with described master control processor; Described sub-controller includes sub-control processor, the 2nd ZigBee wireless module, slave computer, signal gathering unit, pressure regulation unit and Electrode control unit, described sub-control processor connects with the 2nd ZigBee wireless module and slave computer respectively, and described signal gathering unit, pressure regulation unit and Electrode control unit all connect with slave computer;
Step 2, electroslag furnace running parameter detects: adopt signal gathering unit that the running parameter of electroslag furnace is detected, including in the following manner:
Adopt the first temperature sensor that the temperature on electroslag furnace consutrode top is detected in real time;
Adopt heat flow transducer that the hot-fluid on electroslag furnace consutrode top is detected in real time;
Voltage transformer summation current transformer is adopted respectively the voltage and current being serially connected in the short net between magnetic voltage regulator and consutrode to be detected in real time;
Adopt LOAD CELLS that the weight of crystallizer for electroslag furnace is detected in real time;
Adopt the second temperature sensor that the temperature in the bottom water tank of crystallizer for electroslag furnace is detected in real time;
Step 3, signal processing and remote transmission: the signal detected is transferred to slave computer by above-mentioned signal gathering unit respectively, described signal is accessed by slave computer, is then transferred to sub-control processor; The parameters such as the baud rate of described signal, image resolution ratio and transmission mode are set by sub-control processor, are then transferred to the 2nd ZigBee wireless module; 2nd ZigBee wireless module is sent to a ZigBee wireless module through ZigBee cordless communication network after described signal is carried out protocol conversion and modulation treatment; Oneth ZigBee wireless module is transferred to master control processor after receiving the signal that multiple 2nd ZigBee wireless module sends, and master control processor is transmitted to Surveillance center's PC by serial communication interface after being collected by described signal;
Step 4, Remote data processing sends with control command: after Surveillance center's PC receives the signal that the transmission of master control processor comes, it is analyzed judging to it, and carry out information alternately with slave computer, send voltage-regulation control command and Electrode control order to slave computer according to analyzing the result judged;
Step 5, control command performs: slave computer sends control signal to described pressure regulation unit, and the melting voltage of consutrode is regulated in real time by described pressure regulation unit by magnetic voltage regulator, to reach the purpose of power limitation control; Slave computer sends control signal to described Electrode control unit, and the position of consutrode is adjusted in real time by described Electrode control unit by step motor drive elevating mechanism;
Step 6, state shows, report generation and fault alarm: it is mutual that slave computer and Surveillance center's PC carry out information, the working status parameter of electroslag furnace is real-time transmitted to Surveillance center's PC, Surveillance center's PC calls described configuration monitoring module and runs, and shows the instantaneous operating conditions of electroslag furnace on its monitoring interface; Described auto report completing module stores after being generated by data sheet automatically in order to inquiry; If operation troubles occurs in electroslag furnace, then described alarm module drives warning circuit to send alarm signal, and described warning circuit connects with Surveillance center PC.
In the present embodiment, described slave computer is Siemens S7 series PLC.
In the present embodiment, a described ZigBee wireless module and the 2nd ZigBee wireless module are CC2430 chip.
In the present embodiment, described first temperature sensor and the second temperature sensor are DS18B20.
In the present embodiment, between described motor and described slave computer, it is connected to converter.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure change above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. the monitoring method of an electroslag furnace, it is characterised in that comprise the following steps:
Step one, set up communication connection: the Surveillance center's PC being laid in remote monitoring center sets up communication connection by serial communication interface with network coprocessor, being laid in steelshop and set up communication connection with network coprocessor by ZigBee cordless communication network for the multiple sub-controllers controlling electroslag furnace work, the quantity of described sub-controller is equal with the quantity of electroslag furnace; Described Surveillance center PC is internally provided with configuration monitoring module, auto report completing module and alarm module; Described network coprocessor includes master control processor and the ZigBee wireless module connected with described master control processor; Described sub-controller includes sub-control processor, the 2nd ZigBee wireless module, slave computer, signal gathering unit, pressure regulation unit and Electrode control unit, described sub-control processor connects with the 2nd ZigBee wireless module and slave computer respectively, and described signal gathering unit, pressure regulation unit and Electrode control unit all connect with slave computer;
Step 2, electroslag furnace running parameter detects: adopt signal gathering unit that the running parameter of electroslag furnace is detected, including in the following manner:
Adopt the first temperature sensor that the temperature on electroslag furnace consutrode top is detected in real time;
Adopt heat flow transducer that the hot-fluid on electroslag furnace consutrode top is detected in real time;
Voltage transformer summation current transformer is adopted respectively the voltage and current being serially connected in the short net between magnetic voltage regulator and consutrode to be detected in real time;
Adopt LOAD CELLS that the weight of crystallizer for electroslag furnace is detected in real time;
Adopt the second temperature sensor that the temperature in the bottom water tank of crystallizer for electroslag furnace is detected in real time;
Step 3, signal processing and remote transmission: the signal detected is transferred to slave computer by above-mentioned signal gathering unit respectively, described signal is accessed by slave computer, is then transferred to sub-control processor; The parameters such as the baud rate of described signal, image resolution ratio and transmission mode are set by sub-control processor, are then transferred to the 2nd ZigBee wireless module; 2nd ZigBee wireless module is sent to a ZigBee wireless module through ZigBee cordless communication network after described signal is carried out protocol conversion and modulation treatment; Oneth ZigBee wireless module is transferred to master control processor after receiving the signal that multiple 2nd ZigBee wireless module sends, and master control processor is transmitted to Surveillance center's PC by serial communication interface after being collected by described signal;
Step 4, Remote data processing sends with control command: after Surveillance center's PC receives the signal that the transmission of master control processor comes, it is analyzed judging to it, and carry out information alternately with slave computer, send voltage-regulation control command and Electrode control order to slave computer according to analyzing the result judged;
Step 5, control command performs: slave computer sends control signal to described pressure regulation unit, and the melting voltage of consutrode is regulated in real time by described pressure regulation unit by magnetic voltage regulator, to reach the purpose of power limitation control; Slave computer sends control signal to described Electrode control unit, and the position of consutrode is adjusted in real time by described Electrode control unit by step motor drive elevating mechanism;
Step 6, state shows, report generation and fault alarm: it is mutual that slave computer and Surveillance center's PC carry out information, the working status parameter of electroslag furnace is real-time transmitted to Surveillance center's PC, Surveillance center's PC calls described configuration monitoring module and runs, and shows the instantaneous operating conditions of electroslag furnace on its monitoring interface; Described auto report completing module stores after being generated by data sheet automatically in order to inquiry; If operation troubles occurs in electroslag furnace, then described alarm module drives warning circuit to send alarm signal, and described warning circuit connects with Surveillance center PC.
2. the monitoring method of a kind of electroslag furnace described in claim 1, it is characterised in that: described slave computer is Siemens S7 series PLC.
3. the monitoring method of a kind of electroslag furnace described in claim 1 or 2, it is characterised in that: a described ZigBee wireless module and the 2nd ZigBee wireless module are CC2430 chip.
4. the monitoring method of a kind of electroslag furnace described in claim 1 or 2, it is characterised in that: described first temperature sensor and the second temperature sensor are DS18B20.
5. the monitoring method of a kind of electroslag furnace described in claim 1 or 2, it is characterised in that: it is connected to converter between described motor and described slave computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410608042.3A CN105632140A (en) | 2014-10-31 | 2014-10-31 | Monitoring method of electric slag furnaces |
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| CN201410608042.3A CN105632140A (en) | 2014-10-31 | 2014-10-31 | Monitoring method of electric slag furnaces |
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| CN105632140A true CN105632140A (en) | 2016-06-01 |
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| CN201410608042.3A Pending CN105632140A (en) | 2014-10-31 | 2014-10-31 | Monitoring method of electric slag furnaces |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103909A (en) * | 2017-05-05 | 2020-12-18 | 韦伯-斯蒂芬产品有限公司 | Wireless control and condition monitoring for electric ovens with current protection circuits |
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2014
- 2014-10-31 CN CN201410608042.3A patent/CN105632140A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103909A (en) * | 2017-05-05 | 2020-12-18 | 韦伯-斯蒂芬产品有限公司 | Wireless control and condition monitoring for electric ovens with current protection circuits |
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