CN201892868U - Chemical production recovery control system for electric heating test coke oven - Google Patents
Chemical production recovery control system for electric heating test coke oven Download PDFInfo
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- CN201892868U CN201892868U CN2010206274784U CN201020627478U CN201892868U CN 201892868 U CN201892868 U CN 201892868U CN 2010206274784 U CN2010206274784 U CN 2010206274784U CN 201020627478 U CN201020627478 U CN 201020627478U CN 201892868 U CN201892868 U CN 201892868U
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Abstract
The utility model relates to a chemical production recovery control system for an electric heating test coke oven, which is characterized in that a programmable logic controller (PLC) adopting the proportion integration differentiation (PID) algorithm is respectively connected with an analog quantity input module, an analog quantity output module, a switch quantity input module, a switch quantity output module, a touch screen and an industrial control computer, wherein the analog quantity input module is connected with a thermocouple, a pressure transmitter and a flow meter, the analog quantity output module is respectively connected with a thyristor temperature regulator and an electromagnetic valve flow rate regulator, the switch quantity input module is connected with a control instruction input, and the switch quantity output module is connected with an intelligent alarm. The chemical product recovery control system disclosed by the utility model has the beneficial effects that the PID control logic is adopted for precisely controlling the temperature, the pressure and the flow rate in the chemical production technical process, the interlocking closed loop control between technical equipment is realized, an important effect is realized on improving the production efficiency of coked chemical production, the economic benefits of the chemical production recovery period in a coking factory is improved, and assurance is provided for the product quality improvement.
Description
Technical field
The utility model relates to automation control area, relates in particular to the change product recovery control system of the above electrical heating testing coke oven of 200Kg.
Background technology
Contain abundant chemical constitution in the coke-oven gas that the electrical heating testing coke oven is discharged, produce retracting device by seriations such as electro-thermostat, liquid packing, inter cooler, electric fishing device, exsiccator, suction sulfuretted hydrogen device, ammonia absorber, suction benzene device, vacuum pump are set behind testing coke oven, its chemical constitution can reclaim.It is many that this changes product retracting device equipment, technological parameter is many, technological parameters such as the temperature in its technological process, pressure, flow are difficult to accurate control because of influenced by multiple disturbing factor, do not have the interlocked control means between the equipment, and it is extremely unstable that making product reclaims production run, industrial accident easily takes place, be badly in need of more advanced control system, the interlocking of production equipment is implemented strict control, effectively avoid the generation of industrial accident, utilize abundant warning message simultaneously, for fault handling provides the analysis foundation.
Summary of the invention
The purpose of this utility model provides a kind of change product recovery control system of electrical heating testing coke oven, the accurate control of temperature, gas pressure, flow in the technology is reclaimed in realization to the testing coke oven product, interlocked control between the equipment, steady production technological process, the production efficiency of raising coking product.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The change product recovery control system of electrical heating testing coke oven, it is characterized in that, comprise Programmable Logic Controller PLC, the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer, the Programmable Logic Controller PLC that adopts pid algorithm respectively with the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer is connected, the analog quantity load module respectively with explosion-proof S, K, T type input safety barrier is connected with explosion-proof band distribution type input safety barrier, explosion-proof S, K, T type input safety barrier is connected with thermopair, explosion-proof band distribution type input safety barrier is connected with flowmeter with pressure unit respectively, analog output module is connected with the solenoid valve flow regulator with the thyristor temperature regulator respectively by explosion-proof output safety grid, switching input module links to each other with the steering order input, and the switching value output module links to each other with intelligent alarm.
Described Programmable Logic Controller PLC and industrial computer adopt the MPI communications protocol by the communication of CP5611 address card with the touch-screen communication, adopt the ethernet communication agreement with the supervisory computer communication.
The beneficial effects of the utility model are: adopt the PID steering logic that temperature, pressure, the flow changed in the production. art process are accurately controlled, realize the interlocking closed-loop control between each process equipment, stablized each production process effectively, the production efficiency that improves the coking product has been brought into play vital role, improved the economic benefit of coke-oven plant's product recovery stage, for product quality provides guarantee.
Description of drawings
Fig. 1 is that the utility model embodiment controls block diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
See Fig. 1, the change product recovery control system control block diagram of the above electrical heating testing coke oven of 200Kg, comprise Programmable Logic Controller PLC, the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer, the Programmable Logic Controller PLC that adopts pid algorithm respectively with the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer is connected, the analog quantity load module respectively with explosion-proof S, K, T type input safety barrier is connected with explosion-proof band distribution type input safety barrier, explosion-proof S, K, T type input safety barrier is connected with thermopair, explosion-proof band distribution type input safety barrier is connected with flowmeter with pressure unit respectively, analog output module is connected with the solenoid valve flow regulator with the thyristor temperature regulator respectively by explosion-proof output safety grid, switching input module links to each other with the steering order input, and the switching value output module links to each other with intelligent alarm.Described Programmable Logic Controller PLC and industrial computer adopt the MPI communications protocol by the communication of CP5611 address card with the touch-screen communication, adopt the ethernet communication agreement with the supervisory computer communication.
Among the embodiment, Programmable Logic Controller PLC selects Siemens PLC C300 Programmable Logic Controller for use, comprises central processor CPU 315, power module PS3075A, and the communication module CP343-1 of PLC and supervisory computer adopt the ethernet communication agreement.Industrial computer is selected the WINCC6.2 configuration software for use, and PLC selects the STEP75.4 programming software for use.
The course of work that the utility model raw gas product reclaims technology comprises electro-thermostat, liquid packing, inter cooler, the electric fishing device, exsiccator, inhale the sulfuretted hydrogen device, ammonia absorber, inhale the benzene device, workshop sections such as vacuum pump, the raw gas that testing coke oven produces, pass through electro-thermostat, temperature is controlled at 820 ± 10 ℃, come out through liquid packing, thermopair detects the outlet temperature of liquid packing, filter out a part of tar, enter inter cooler then, inter cooler adopts water-cooled cooling, the chilled water flow of inlet water is by the solenoid valve flow regulator, according to the outlet temperature interlocking closed loop adjustment control of raw gas at inter cooler, the principle that the gas pressure of inter cooler outlet is regulated is to guarantee malleation 15Pa in the coke oven stove, the gas temperature that enters the electric fishing device need be controlled at 40 ± 5 ℃, to control the pressure of vacuum pump in addition, guarantee the import negative pressure, the outlet malleation could guarantee to inhale sulphur like this, inhale ammonia, inhale benzene operation gas communication.
Claims (2)
1. the change product recovery control system of electrical heating testing coke oven, it is characterized in that, comprise Programmable Logic Controller PLC, the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer, the Programmable Logic Controller PLC that adopts pid algorithm respectively with the analog quantity load module, analog output module, switching input module, the switching value output module, touch-screen, industrial computer is connected, the analog quantity load module respectively with explosion-proof S, K, T type input safety barrier is connected with explosion-proof band distribution type input safety barrier, explosion-proof S, K, T type input safety barrier is connected with thermopair, explosion-proof band distribution type input safety barrier is connected with flowmeter with pressure unit respectively, analog output module is connected with the solenoid valve flow regulator with the thyristor temperature regulator respectively by explosion-proof output safety grid, switching input module links to each other with the steering order input, and the switching value output module links to each other with intelligent alarm.
2. the change product recovery control system of electrical heating testing coke oven according to claim 1, it is characterized in that, described Programmable Logic Controller PLC and industrial computer adopt the MPI communications protocol by the communication of CP5611 address card with the touch-screen communication, adopt the ethernet communication agreement with the supervisory computer communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206274784U CN201892868U (en) | 2010-11-25 | 2010-11-25 | Chemical production recovery control system for electric heating test coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206274784U CN201892868U (en) | 2010-11-25 | 2010-11-25 | Chemical production recovery control system for electric heating test coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201892868U true CN201892868U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206274784U Expired - Lifetime CN201892868U (en) | 2010-11-25 | 2010-11-25 | Chemical production recovery control system for electric heating test coke oven |
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| CN (1) | CN201892868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433137A (en) * | 2011-12-27 | 2012-05-02 | 北京佰能电气技术有限公司 | Pressure regulating device for coke oven carbonization chamber and fuzzy control method thereof |
| CN107203193A (en) * | 2017-07-03 | 2017-09-26 | 湖南千盟智能信息技术有限公司 | A kind of recovery of chemical products Intelligent Process Control system |
-
2010
- 2010-11-25 CN CN2010206274784U patent/CN201892868U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433137A (en) * | 2011-12-27 | 2012-05-02 | 北京佰能电气技术有限公司 | Pressure regulating device for coke oven carbonization chamber and fuzzy control method thereof |
| CN102433137B (en) * | 2011-12-27 | 2014-01-08 | 北京佰能电气技术有限公司 | Pressure regulating device for coke oven carbonization chamber and fuzzy control method thereof |
| CN107203193A (en) * | 2017-07-03 | 2017-09-26 | 湖南千盟智能信息技术有限公司 | A kind of recovery of chemical products Intelligent Process Control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sino Coking Technology National Engineering Research Center Co Ltd Assignor: Sinosteel Anshan Research Institute of Thermo-energy Co., Ltd. Contract record no.: 2013210000137 Denomination of utility model: Chemical production recovery control system for electric heating test coke oven Granted publication date: 20110706 License type: Exclusive License Record date: 20131121 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |
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| CX01 | Expiry of patent term |