CN203602639U - Manual and automatic combined control system for open fire release - Google Patents
Manual and automatic combined control system for open fire release Download PDFInfo
- Publication number
- CN203602639U CN203602639U CN201320665245.7U CN201320665245U CN203602639U CN 203602639 U CN203602639 U CN 203602639U CN 201320665245 U CN201320665245 U CN 201320665245U CN 203602639 U CN203602639 U CN 203602639U
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- control
- automation
- hand control
- manual
- gas main
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Abstract
The utility model discloses a manual and automatic combined control system for open fire release. The manual and automatic combined control system for open fire release is provided with a PLC (programmable logic controller), wherein manual control valves are arranged on a blast furnace gas main pipeline and a coke oven gas main pipeline respectively; manual and automatic combined control valves are arranged on a blast furnace gas auxiliary pipeline and a coke oven gas auxiliary pipeline; the control circuits of the manual and automatic combined control valves are connected with the PLC. The utility model further discloses a control method for the control system; with the adoption of the technical scheme abovementioned, by virtue of the WINCC (windows control center) program software configuration image of an industrial control computer and a PLC system, the adjustment capacity and strain speed of a release system for the pressure of a gas header pipe are improved, and thus the pressure of the header pipe is kept in a technological requirement range.
Description
Technical field
The utility model belongs to the technical field of metallurgical industry production control, relates to blast furnace gas naked light and diffuses control techniques, and more particularly, the utility model relates to a kind of naked light and diffuse the Controlling System of hand control and automation combination.
Background technology
In the prior art, blast furnace gas naked light diffuses conventional hand control and automation Controlling System, can not be well according to the pressure that need to adjust gas main road of technique and the coal gas amount of diffusing.
Diffuse in technique at naked light, the valve of adjusting on gas main road comprises house steward's valve that size is large and the little coal gas bypath valve of size; Generally after the adjustment of gas main pressure, change not quite, only need to adjust a little coal gas by-pass valve can realize requirement; If valve is all under auto state, total pipeline valve and by-pass valve all can be with very high frequency actions, and to topworks, particularly the damage of house steward's valve actuator is very large; If valve is all under manual mode, manually input is frequent, cannot reach and save manpower requirement.
Utility model content
Controlling System and control method that the utility model provides a kind of naked light to diffuse hand control and automation combination, its objective is better assurance gas main pressure-stabilisation.
To achieve these goals, the technical scheme that the utility model is taked is:
Naked light of the present utility model diffuses the Controlling System of hand control and automation combination, be applied to naked light diffusing facility, described naked light diffusing facility comprises diffusing tower, and described diffusing tower is communicated with blast furnace gas main pipeline, coke-oven gas main pipeline, blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit respectively; Described Controlling System is provided with PLC; On described blast furnace gas main pipeline, coke-oven gas main pipeline, be respectively equipped with manual control valve; Described blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit are provided with hand control and automation in conjunction with by-pass valve control; Described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
On described blast furnace gas main pipeline, coke-oven gas main pipeline, in parallel with described manual control valve, hand control and automation is set respectively in conjunction with by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
Or, only on described blast furnace gas main pipeline, being arranged in parallel hand control and automation with described manual control valve and being combined by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
Described blast furnace gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
Described blast furnace gas main pipeline is communicated with purging nitrogen pipeline, and the position of its connection is located between manual control valve and water seal.
Described purging nitrogen pipeline is provided with hand control and automation in conjunction with by-pass valve control, and described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
Described coke-oven gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
Described coke-oven gas main pipeline is provided with hand control and automation in conjunction with by-pass valve control, and this hand control and automation is located in conjunction with by-pass valve control on the pipeline of airintake direction of described manual control valve.
Described Controlling System is provided with industrial control computer and is connected by signal circuit with described PLC; Described industrial control computer is provided with interactive touch control display screen.
In order to realize the goal of the invention identical with technique scheme, the utility model also provides the Controlling System that above-described naked light diffuses hand control and automation combination to adopt control method, and its technical scheme is:
First, on touch display screen, select control mode manually or automatically;
Selecting, after manual control mode, manual control valve and hand control and automation to be carried out to manual input operation in conjunction with by-pass valve control;
Selecting, after automatic operation scheme, to open ignition system valve;
Carry out after ignition operation, whether successful by the known igniting of diffusion mouth temperature in touch display screen figure;
After lighting a fire successfully, set in hurdle and input an opening value in gas main valve opening, make gas main Pressure Drop to required pressure value, make pressure value stable;
By bypath valve, pipeline pressure is adjusted automatically afterwards;
Under emergency, can click manual operation hurdle, manually input the switching of gas valve aperture and all the other valves.
The utility model adopts technique scheme, by WINCC program software configuration picture and the PLC system of industrial computer, promotes adjustment capability and the rate of straining of diffusion system to gas main pressure, and house steward's pressure is remained within the scope of processing requirement.
Accompanying drawing explanation
Fig. 1 is the Controlling System operation picture view that naked light of the present utility model diffuses hand control and automation combination.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present utility model, technical scheme.
The control interface that automatically, manually moves of the present utility model as represented in Fig. 1, for a kind of naked light diffuses the Controlling System of hand control and automation combination.Be applied to naked light diffusing facility, described naked light diffusing facility comprises diffusing tower, and described diffusing tower is communicated with blast furnace gas main pipeline, coke-oven gas main pipeline, blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit respectively.The utility model is Controlling System and the corresponding control method of the naked light diffusion system that more agrees with of a kind of and practical situation.
In order to solve the problem of prior art existence and to overcome its defect, realize the better goal of the invention that guarantees gas main pressure-stabilisation, the technical scheme that the utility model is taked is:
As shown in Figure 1, naked light of the present utility model diffuses the Controlling System of hand control and automation combination, is provided with PLC; On described blast furnace gas main pipeline, coke-oven gas main pipeline, be respectively equipped with manual control valve; Described blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit are provided with hand control and automation in conjunction with by-pass valve control; Described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
PLC is industrial programmable controller.Described PLC comprises PLC module, PLC program.
Below the example that several valves arrange:
On described blast furnace gas main pipeline, coke-oven gas main pipeline, in parallel with described manual control valve, hand control and automation is set respectively in conjunction with by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
Or, only on described blast furnace gas main pipeline, being arranged in parallel hand control and automation with described manual control valve and being combined by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
Can also on described coke-oven gas main pipeline, be provided with hand control and automation in conjunction with by-pass valve control, this hand control and automation is located in conjunction with by-pass valve control on the pipeline of airintake direction of described manual control valve.
In addition, described blast furnace gas main pipeline is communicated with purging nitrogen pipeline, and the position of its connection is located between manual control valve and water seal.On described purging nitrogen pipeline, be provided with hand control and automation in conjunction with by-pass valve control, described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
In two main gas valves, total pipeline valve is manual operation, all the other valves all can be realized automatically and the manually operation of combination, comprise the control method of hand control and automation operation simultaneously, can be according to manufacturing technique requirent, adjust at any time the pressure in gas main road, when pressure surge is large, main manual setting; Fluctuation hour is adjusted automatically by by-pass valve, and all the other valves are adjusted automatically according to the technique of diffusion system own.
In the time of auto state, except gas main valve is manual mode, valve opening size is all manually set, and all the other valves are all in auto state; Under manual mode, all valves are all in manual mode.
Described Controlling System is provided with industrial control computer and is connected by signal circuit with described PLC; The interactive touch display screen of described industrial control computer.
This system adopts PLC and system industrial computer to control, and industrial computer comprises conventional configuration industrial computer, display unit and installs and the corresponding WINCC configuration software of PLC system in described industrial computer.
Above-mentioned Controlling System, by PLC system and industrial computer control, by the WINCC picture in industrial computer, is controlled the PLC system that naked light diffuses, and then controls each related valve action, realizes long-range hand control and automation control.
Industrial computer picture comprises that gas valve aperture sets hurdle, gas valve open degree feedback hurdle, diffuses flame temperature and detect hurdle, water compensating valve status bar, automaticmanual and switch hurdle, gas pressure warning hurdle etc.
As shown in Figure 1, in the WINCC configuration software in described industrial computer, produce the control interface that meets processing requirement, make each process point in interface, all use corresponding hurdle, and each corresponding hurdle all represents the residing different states of this process point by distinct colors;
In the interface shown in Fig. 1, valve represents by green in opening under state, and valve represents by redness under off status, when valve is positioned at kinestate, represents by grey; When pressure is normal, represent by green, when pressure alarm with being alternately flicker of reddish yellow; When hand control and automation condition selecting, what state to become redness in which hurdle in; Temperature display watch shows diffusion system burner port flame temperature; It when igniting hurdle is clicked, is burner igniting.
By corresponding one by one with the each module input and output point in PLC system the corresponding hurdle of the each process point parameter in WINCC configuration interface.So just realize the program controlled mode of the diffusion system of the hand control and automation combination in industrial computer.
Undesired at blast-furnace gas pressure is blast-furnace gas pressure while reporting to the police, and " the high atmospheric pressure power of igniting is normal " in figure is transformed to " the high atmospheric pressure power of igniting warnings ", and by original green, becomes red and yellow checker demonstration;
Undesired at coke-oven gas pressure is burnt atmospheric pressure while reporting to the police, and " burnt atmospheric pressure is normal " in figure is transformed to " burnt atmospheric pressure warning ", and by original green, becomes red and yellow checker demonstration;
Be nitrogen pressure while reporting to the police purging nitrogen pressure undesired, " nitrogen pressure is normal " in figure is transformed to " nitrogen pressure warnings ", and by original green, becomes red and yellow checker demonstration.
Above-mentioned redness and yellow checker show, are wherein checker demonstration between two color diagram, replace the normal hurdle of former pressure, easily cause staff's attention, thereby take measures in time.
The utility model adopts technique scheme, by the assistance of industrial computer WINCC software program and PLC system, has promoted the adjustment capability of diffusion system to gas main pressure, has ensured that house steward's pressure remains within the scope of processing requirement.
Described blast furnace gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
Described coke-oven gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
Gas line, before burner, is installed water seal, when preventing that gas pressure is too low or stopping coal gas suddenly, tempering occurs.
In order to realize the goal of the invention identical with technique scheme, for the better gas main pressure-stabilisation that guarantees, the control method that Controlling System adopts that the utility model also provides above-described naked light to diffuse hand control and automation combination, its technical scheme is:
First select control mode manually or automatically, select, after automatic operation scheme, to open ignition system valve, after igniting, for opening value of gas main valve setpoint makes gas main Pressure Drop to required pressure value, by bypath valve, pipeline pressure is adjusted automatically afterwards.
Concrete control method is as follows:
First, on touch display screen, select control mode manually or automatically;
Selecting, after manual control mode, manual control valve and hand control and automation to be carried out to manual input operation in conjunction with by-pass valve control;
Selecting, after automatic operation scheme, to open ignition system valve;
Carry out after ignition operation, whether successful by the known igniting of diffusion mouth temperature in touch display screen figure;
After lighting a fire successfully, set in hurdle and input an opening value in gas main valve opening, make gas main Pressure Drop to required pressure value, make pressure value stable;
By bypath valve, pipeline pressure is adjusted automatically afterwards;
Under emergency, can click manual operation hurdle, manually input the switching of gas valve aperture and all the other valves.
The naked light that the utility model provides diffuses the control method of the automatic combination of hand, and described industrial computer display unit shows that naked light diffuses the WINCC interface of the each dotted state of technique; In industrial computer WINCC configuration picture, open ignition system valve, after igniting, do not have by known the igniting successfully of diffusion mouth temperature in figure; After lighting a fire successfully, in gas main valve opening setting hurdle, input an opening value and make gas main Pressure Drop to required pressure value, revising set(ting)value, make pressure-stabilisation near required value, by bypath valve, pipeline pressure is adjusted automatically afterwards.In the time of emergency, can click manual operation hurdle, make it word and become after redness, manually input the switching of gas valve aperture and all the other valves.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (9)
1. naked light diffuses the Controlling System of hand control and automation combination, be applied to naked light diffusing facility, described naked light diffusing facility comprises diffusing tower, and described diffusing tower is communicated with blast furnace gas main pipeline, coke-oven gas main pipeline, blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit respectively;
It is characterized in that:
Described Controlling System is provided with PLC;
On described blast furnace gas main pipeline, coke-oven gas main pipeline, be respectively equipped with manual control valve;
Described blast furnace gas subsidiary conduit and coke-oven gas subsidiary conduit are provided with hand control and automation in conjunction with by-pass valve control;
Described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
2. diffuse the Controlling System of hand control and automation combination according to naked light claimed in claim 1, it is characterized in that: on described blast furnace gas main pipeline, coke-oven gas main pipeline, in parallel with described manual control valve, hand control and automation is set respectively in conjunction with by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
3. diffuse the Controlling System of hand control and automation combination according to naked light claimed in claim 1, it is characterized in that: on described blast furnace gas main pipeline, be arranged in parallel hand control and automation with described manual control valve and be combined by-pass valve control, this hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
4. the Controlling System of diffusing hand control and automation combination according to naked light claimed in claim 1, is characterized in that: described blast furnace gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
5. the Controlling System of diffusing hand control and automation combination according to naked light claimed in claim 4, is characterized in that: described blast furnace gas main pipeline is communicated with purging nitrogen pipeline, and the position of its connection is located between manual control valve and water seal.
6. diffuse the Controlling System of hand control and automation combination according to naked light claimed in claim 5, it is characterized in that: described purging nitrogen pipeline is provided with hand control and automation in conjunction with by-pass valve control, described hand control and automation is connected with described PLC in conjunction with the pilot circuit of by-pass valve control.
7. the Controlling System of diffusing hand control and automation combination according to naked light claimed in claim 1, is characterized in that: described coke-oven gas main pipeline is provided with water seal, and described water seal is located between manual control valve and diffusing tower.
8. diffuse the Controlling System of hand control and automation combination according to naked light claimed in claim 1, it is characterized in that: described coke-oven gas main pipeline is provided with hand control and automation in conjunction with by-pass valve control, this hand control and automation is located in conjunction with by-pass valve control on the pipeline of airintake direction of described manual control valve.
9. the Controlling System of diffusing hand control and automation combination according to naked light claimed in claim 1, is characterized in that: described Controlling System is provided with industrial control computer and is connected by signal circuit with described PLC; Described industrial control computer is provided with touch control display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665245.7U CN203602639U (en) | 2013-10-26 | 2013-10-26 | Manual and automatic combined control system for open fire release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665245.7U CN203602639U (en) | 2013-10-26 | 2013-10-26 | Manual and automatic combined control system for open fire release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602639U true CN203602639U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665245.7U Expired - Fee Related CN203602639U (en) | 2013-10-26 | 2013-10-26 | Manual and automatic combined control system for open fire release |
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| Country | Link |
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| CN (1) | CN203602639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614503A (en) * | 2013-10-26 | 2014-03-05 | 芜湖新兴铸管有限责任公司 | Manual and automatic combination control system for open fire diffusion |
-
2013
- 2013-10-26 CN CN201320665245.7U patent/CN203602639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614503A (en) * | 2013-10-26 | 2014-03-05 | 芜湖新兴铸管有限责任公司 | Manual and automatic combination control system for open fire diffusion |
| CN103614503B (en) * | 2013-10-26 | 2016-03-16 | 芜湖新兴铸管有限责任公司 | Naked light diffuses the Controlling System that hand control and automation combines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201026 |