CN205420467U - BOF steelmaking produces process control system based on PLC - Google Patents
BOF steelmaking produces process control system based on PLC Download PDFInfo
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- CN205420467U CN205420467U CN201620204574.5U CN201620204574U CN205420467U CN 205420467 U CN205420467 U CN 205420467U CN 201620204574 U CN201620204574 U CN 201620204574U CN 205420467 U CN205420467 U CN 205420467U
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Abstract
The utility model discloses a BOF steelmaking produces process control system based on PLC, including setting up the main website in the PLC in control room, set up in BOF steelmaking on -the -spotly through the long -range IO slave station of network with the signal connection of PLC main website, dc speed regulation device distant station, the oxygen rifle altimeter coder distant station and the angle encoder distant station that fascinates, long -range IO slave station and converter controlling means electric connection, dc speed regulation device distant station and oxygen rifle dc speed regulation device electric connection, oxygen rifle altimeter coder distant station and oxygen rifle altimeter coder electric connection, the angle of the fascinating encoder distant station and the angle encoder electric connection that fascinates. The utility model discloses a set up the PLC main website in the control room, and be connected distant station PLC module setting with control and measuring device nearby in the converter scene, reduce the quantity of cable promptly, realize the data communication and the data interchange of main website and distant station PLC intermodule again, realize BOF steelmaking's high reliability remote control and control.
Description
Technical field
This utility model belongs to steel-making technical field of automation, relates to a kind of simple in construction, safeguards the pneumatic steelmaking industries process control system based on PLC easy, reliability is high.
Background technology
Converter is the capital equipment of STEELMAKING PRODUCTION, many technological parameters in its production process and equipment operational factor, the such as nitrogen pressure of oxygen pressure, slag splashing, the pressure of oxygen gun cooling water and flow, the water inlet of oxygen gun cooling water and return water temperature etc. are to produce the important reference being normally carried out, and whether normal the motor rotation angle that oxygen rifle and converter inclining drive, each operational factors such as device that control be, direct relation equipment safety work.
Along with aggravation and the lifting of environmental requirement of smelting iron and steel industry competition, energy-saving and emission-reduction, efficient high yield are particularly important.The mini-medium BOF plants steel-making that tradition controls with experience, owing to control mode error is big and control accuracy is low, power consumption is high, production efficiency is low, to be difficult in adapt to competition.
Programmable Logic Controller (PLC) owing to having that reliability is high, capacity of resisting disturbance strong, perfect in shape and function, the suitability is strong, language is directly perceived, be easy to learn and use, system design efforts would is little, safeguard, transform features such as facilitating, many industries are widely used, such as iron and steel metallurgy industry, auto industry etc., PLC automatic control system has had become as industrial brain and Dispatch and Command Center in these industries, in occupation of highly important position.The automation remotes such as the medium-and-large-sized commonly used PLC of steel-making of prior art control, although controlling effect and control accuracy can meeting requirement, it also is able to the purpose reaching energy-saving and emission-reduction and efficiently producing, but due to controller and control device and detection device between position farther out, not only cable laying difficulty, and cable consumes big, maintenance difficulty, and for steel-making that environment is the most severe on-the-spot and outdoor clearing, more cable also can reduce the reliability of control system.Certainly, also there is the mode using scene to automatically control, but owing to being difficult to reach the Centralized Monitoring of many stoves smelting, to main control end, bad environments requires that the higher cost that will also result in sharply increases, can not be as the control system main flow of the pneumatic steelmaking production process of main flow.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, safeguard the pneumatic steelmaking industries process control system based on PLC easy, reliability is high.
The purpose of this utility model is realized in, including PLC master station, remote I/O slave station, direct current speeder distant station, oxygen rifle altimeter coder distant station, turning angle encoder distant station, described PLC master station is arranged at control room, described remote I/O slave station, direct current speeder distant station, oxygen rifle altimeter coder distant station and turning angle encoder distant station are arranged at pneumatic steelmaking scene and are connected with PLC master station signal by network, described remote I/O slave station and converter respectively control device and are electrically connected with, described direct current speeder distant station is electrically connected with oxygen rifle direct current speeder, described oxygen rifle altimeter coder distant station is electrically connected with oxygen rifle altimeter coder, described turning angle encoder distant station is electrically connected with turning angle encoder.
This utility model is by arranging PLC master station at control room, and remote I/O slave station, direct current speeder distant station, oxygen rifle altimeter coder distant station and turning angle encoder distant station are arranged at the scene of pneumatic steelmaking, connect with corresponding control device and measurement apparatus nearby, i.e. reduce the consumption of transmission cable, realize again the data communication between main website and distant station PLC module and data exchange, thus realize the high reliability of pneumatic steelmaking production process, the remotely control of high control precision and monitoring, the beneficially energy-saving and emission-reduction of iron and steel enterprise and raising productivity ratio.Therefore, this utility model has simple in construction, safeguards the feature easy, reliability is high.
Accompanying drawing explanation
Fig. 1 is utility model principle schematic
In figure: 1-PLC main website, 2-remote I/O slave station, 3-direct current speeder distant station, 4-oxygen rifle altimeter coder distant station, 5-turning angle encoder distant station, 6-host computer, 7-ProfiBus-DP netting twine, 8-Ethernet netting twine.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described, but must not by any way this utility model be any limitation as, any change made based on this utility model training centre or improvement, belong to protection domain of the present utility model.
As shown in Figure 1, this utility model includes PLC master station 1, remote I/O slave station 2, direct current speeder distant station 3, oxygen rifle altimeter coder distant station 4, turning angle encoder distant station 5, described PLC master station 1 is arranged at control room, described remote I/O slave station 2, direct current speeder distant station 3, oxygen rifle altimeter coder distant station 4 and turning angle encoder distant station 5 are arranged at pneumatic steelmaking scene and are connected with PLC master station 1 signal by network, described remote I/O slave station 2 and converter respectively control device and are electrically connected with, described direct current speeder distant station 3 is electrically connected with oxygen rifle direct current speeder, described oxygen rifle altimeter coder distant station 4 is electrically connected with oxygen rifle altimeter coder, described turning angle encoder distant station 5 is electrically connected with turning angle encoder.
Described PLC master station 1 is Siemens S7-400, and described remote I/O slave station 2 is Siemens ET200M.
Described remote I/O slave station 2, direct current speeder distant station 3, oxygen rifle altimeter coder distant station 4 and turning angle encoder distant station 5 are connected with PLC master station 1 signal by ProfiBus-DP network.
This utility model also includes that host computer 6, described host computer 6 are arranged at control room or remote monitoring room and are connected with PLC master station 1 signal by Ethernet.
Described oxygen rifle altimeter coder is multiturn absolute type encoder, and described turning angle encoder is individual pen absolute type encoder.
Utility model works principle and work process:
This utility model is by arranging PLC master station at control room, and remote I/O slave station, direct current speeder distant station, oxygen rifle altimeter coder distant station and turning angle encoder distant station are arranged at the scene of pneumatic steelmaking, it is allowed to connect with corresponding control device and measurement apparatus nearby, the consumption of transmission cable can be reduced, realize again the data communication between main website and distant station PLC module and data exchange, thus realize the high reliability of pneumatic steelmaking production process, the remotely control of high control precision and monitoring, the beneficially energy-saving and emission-reduction of iron and steel enterprise and raising productivity ratio.The ProfiBus-DP real-time performance remote data communication with high speed low cost and data exchange will be used between each distant station and main website further, thus improve the capacity of resisting disturbance of system remote communication, improve the reliability of system；Widely used Ethernet will be used between host computer and PLC master station to carry out communication, thus reduce network operation cost and maintenance difficulties.Further oxygen rifle altimeter coder is used multiturn absolute type encoder, and turning angle encoder uses individual pen absolute type encoder, use each position absolutely unique, anti-interference, without power-failure memory absolute type encoder with improve system reliability while, according to using the actual rationally many ring of employing or individual pen type absolute type encoder, can effectively reduce cost while meeting function.Therefore, this utility model has simple in construction, safeguards the feature easy, reliability is high.
Certain iron and steel enterprise 4#, 5# converter (50t) is since going into operation, oxygen rifle PLC control system all uses control module and the control mode of Siemens S5 series, in the face of production task and the requirement of technique, field control is difficult in adapt to, and due to S5 series control module producer the most not reproduction, standby redundancy shortage, use the time longer plus online equipment, wrong appearance during input/output signal, fault rate is high, the cost safeguarded is high, under converter producing failure condition, change controls procedural difficulties, system is not sufficiently stable reliably, maintenance work is difficult to persistently carry out down, cause the converter smelting time longer, steel output is less, it is difficult in adapt to current high efficiency, allegro production.
As it is shown in figure 1, the control module of original S5 series is replaced by SIEMENS PLC S7-400 module 1 and is arranged at control room, can effectively solve a standby redundancy difficult problem；nullBy increasing ET200M intelligent slave station 2 at converter producing scene、Direct current speeder distant station 3、Oxygen rifle altimeter coder distant station 4、Turning angle encoder distant station 5 connects nearby with each corresponding control device and detection device，By S7-400PLC main website 1 module is re-started hardware configuration、Communication configures、Parameter is arranged，The most also to newly establishing ET200M intelligent slave station 2、Direct current speeder distant station 3、Oxygen rifle altimeter coder distant station 4、The module of turning angle encoder distant station 5 carries out corresponding hardware configuration、Communication configures、Parameter is arranged，It is used uniformly across ProfiBus-DP network communication mode and realizes the communication between S7-400 main website 1 and slave station 2 and each distant station and data acquisition，Thus field data signals collecting is carried out central system control to main website 1；Main website 1 and 2 host computers 6 is connected, it is achieved the data exchange between HMI picture and the main website 1 of host computer 6 by Ethernet communication modes.By all of ET200M intelligent slave station 2, direct current speeder distant station 3, oxygen rifle altimeter coder distant station 4, turning angle encoder distant station 5 are arranged near field apparatus, in all field data signals collecting to remote control station nearby, by the transmission of ProfiBus-DP network communication mode to S7-400 series main website 1 centralized Control, can greatly reduce the raw-material consumption of cable, thus also improve the reliability of system.
Claims (6)
- null1. a pneumatic steelmaking industries process control system based on PLC，It is characterized in that including PLC master station (1)、Remote I/O slave station (2)、Direct current speeder distant station (3)、Oxygen rifle altimeter coder distant station (4)、Turning angle encoder distant station (5)，Described PLC master station (1) is arranged at control room，Described remote I/O slave station (2)、Direct current speeder distant station (3)、Oxygen rifle altimeter coder distant station (4) and turning angle encoder distant station (5) are arranged at pneumatic steelmaking scene and are connected with PLC master station (1) signal by network，Described remote I/O slave station (2) and converter respectively control device and are electrically connected with，Described direct current speeder distant station (3) is electrically connected with oxygen rifle direct current speeder，Described oxygen rifle altimeter coder distant station (4) is electrically connected with oxygen rifle altimeter coder，Described turning angle encoder distant station (5) is electrically connected with turning angle encoder.
- Pneumatic steelmaking industries process control system based on PLC the most according to claim 1, it is characterised in that described PLC master station (1) is Siemens S7-400, described remote I/O slave station (2) is Siemens ET200M.
- Pneumatic steelmaking industries process control system based on PLC the most according to claim 1 and 2, it is characterised in that described remote I/O slave station (2), direct current speeder distant station (3), oxygen rifle altimeter coder distant station (4) and turning angle encoder distant station (5) are connected with PLC master station (1) signal by ProfiBus-DP network.
- Pneumatic steelmaking industries process control system based on PLC the most according to claim 1 and 2, characterized by further comprising host computer (6), described host computer (6) is arranged at control room or remote monitoring room and is connected with PLC master station (1) signal by Ethernet.
- Pneumatic steelmaking industries process control system based on PLC the most according to claim 3, characterized by further comprising host computer (6), described host computer (6) is arranged at control room or remote monitoring room and is connected with PLC master station (1) signal by Ethernet.
- Pneumatic steelmaking industries process control system based on PLC the most according to claim 1 and 2, it is characterised in that described oxygen rifle altimeter coder is multiturn absolute type encoder, and described turning angle encoder is individual pen absolute type encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204574.5U CN205420467U (en) | 2016-03-17 | 2016-03-17 | BOF steelmaking produces process control system based on PLC |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620204574.5U CN205420467U (en) | 2016-03-17 | 2016-03-17 | BOF steelmaking produces process control system based on PLC |
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| CN205420467U true CN205420467U (en) | 2016-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219830A (en) * | 2017-06-09 | 2017-09-29 | 顺德职业技术学院 | A kind of Discrete Intelligence manufacture system control terminal based on internet |
| CN108536103A (en) * | 2018-03-30 | 2018-09-14 | 勤威(天津)工业有限公司 | A kind of intelligent managing and control system of casting fusion processes |
-
2016
- 2016-03-17 CN CN201620204574.5U patent/CN205420467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219830A (en) * | 2017-06-09 | 2017-09-29 | 顺德职业技术学院 | A kind of Discrete Intelligence manufacture system control terminal based on internet |
| CN108536103A (en) * | 2018-03-30 | 2018-09-14 | 勤威(天津)工业有限公司 | A kind of intelligent managing and control system of casting fusion processes |
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