CN202898447U - Intelligent gas control valve station based on continuous gas control - Google Patents
Intelligent gas control valve station based on continuous gas control Download PDFInfo
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- CN202898447U CN202898447U CN 201220639239 CN201220639239U CN202898447U CN 202898447 U CN202898447 U CN 202898447U CN 201220639239 CN201220639239 CN 201220639239 CN 201220639239 U CN201220639239 U CN 201220639239U CN 202898447 U CN202898447 U CN 202898447U
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- valve
- flow
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Abstract
The utility model discloses an intelligent gas control valve station based on continuous gas control. The intelligent gas control valve station based on continuous gas control comprises a support, and a valve station main pipe, a gas source treatment unit, a main pipe flow meter, a main pipe temperature sensor, a main pipe pressure transmitter, a gas distribution cylinder, integrated flow controllers and branch pipe pressure transmitters which are arranged on the support, wherein the valve station main pipe, is connected with the gas distribution cylinder, at least four branch pipes are arranged at the outlet of the gas distribution cylinder, and the gas outlet of each branch pipe is connected with a flow regulation branch and finally is connected to a corresponding equipment gas inlet through a filed pipeline. By adopting an electromechanical integrated design, changing the traditional flow control mode, integrally arranging all instrument and equipment pipelines on the support of the integrated valve station and configuring the main pipe, the gas distribution cylinder, the branch pipes and bypasses with corresponding specifications and calibers, the area occupied by the entire valve station is small, the structure is firm, the layout is reasonable and the maintenance is facilitated; the flow control response speed is fast and the time from the moment of flow setting to the moment of stable flow is approximate 3-5 seconds only; and the maintenance workload is small and the maintenance cost is low.
Description
Technical field
The utility model relates to a kind of steel-making converter gas bottom blowing control device, particularly a kind of intelligent Pneumatic valve station based on the gas stepless control.
Background technology
Along with the progressively attention of each iron and steel enterprise to kind and the quality of steel products, ladle BOTTOM ARGON BLOWING/nitrogen gas is stirred as even molten steel composition and temperature, improve an important means of steel quality, begin to feed the silk station to Argon from first furnace tapping, the LF stove, vacuum degasser, CAS-OB, the operations such as continuous caster ladle long nozzle Argon substantially all need dispose the bottom blowing agitating function, each newly-built Steel-making project all needs configurable number cover Bottom Argon Stirring system according to the configuring condition of processing unit, design selection according to traditional bottom-blowing of converter argon/nitrogen system, all devices all is arranged on the ground of specific region in the bottom blowing system for converter, all instrument and pipeline equipment are on-the-spot the installation, bottom blowing arm Flow-rate adjustment generally is to add variable valve according to original orifice-plate flowmeter, realize the adjusting of bottom blowing arm flow by the PID master mode of PLC, the shortcoming of this bottom blowing system is as follows again:
1. traditional bottom blowing system for converter floor space is large, construction, installation and high material consumption;
2. site technique pipeline, instrumentation pipeline, electrical pipeline are controlled complexity, are unfavorable for upkeep operation, and maintenance cost is high;
3. bottom blowing arm flow detection is inaccurate; Accurate regulating and controlling can not accurately respond the flow indicator of manufacturing technique requirent;
The bottom blowing arm Flow-rate adjustment time long, the site operation personnel be difficult for to grasp, and is unfavorable for enhancing productivity; Every road arm Flow-rate adjustment need to be at PLC the inside establishment PID control software, according to the different pid parameter of variant production performance adjustment of every road bottom blowing product, and needs 8-12 second from a flow set to the stable time of Flow-rate adjustment;
5. the Flow-rate adjustment range ratio is little, can not satisfy low discharge and regulate (can't regulate or can't stable regulation low discharge);
6. supply pressure fluctation is large, and is unstable; The phase mutual interference of each branch road in regulate process is large.
In sum, traditional bottom blowing system for converter can not adapt to the production requirement that bottom-blowing of converter stirs fully, thereby it is required to satisfy to greatest extent converter steelmaking.
The utility model content
In view of this, technical problem to be solved in the utility model provide a kind of be easy to safeguard and can reduce production scene pipe network floor space be used for steel-making converter multiple branch circuit bottom blowing system device.
The utility model is achieved through the following technical solutions:
The intelligent Pneumatic valve station based on the gas stepless control that the utility model provides comprises support and is arranged at valve station house steward, source of the gas pretreatment unit, sub-cylinder, integral flux controller and pressure unit on the support; Described valve the station house steward be connected with sub-cylinder, and described sub-cylinder outlet is provided with four arms at least, and the place, air outlet of each arm connects a Flow-rate adjustment branch road, finally is connected to corresponding equipment inlet mouth by on-the-spot pipeline.
Further, described source of the gas pretreatment unit comprises one-level house steward initial filtrator and secondary fine filter, and described one-level house steward's initial filtrator is arranged at house steward ingress, valve station, and described secondary fine filter is arranged at the sub-cylinder ingress.
Further, also comprise the house steward's pressure unit that is arranged on the house steward of valve station, total flowmeter for pipe and house steward's temperature sensor;
Described house steward's pressure unit is for detection of valve station inner manifold gas pressure value;
Described total flowmeter for pipe is for detection of valve station inner manifold gas stream value;
Described house steward's temperature sensor is for detection of valve station inner manifold gas temperature value.
Further, also comprise the pneumatic cut-off valve and the pressure regulator valve that are arranged on the house steward of valve station, described pneumatic cut-off valve is used for the break-make of gas flow in the house steward of control valve station; The source of the gas that described pressure regulator valve is used for regulating behind the pressure is input to sub-cylinder.
Further, also comprise automatically controlled terminal box, all devices model line of inside, valve station all concentrates in the electric terminal case that the valve station carries, and externally provides and clearly reaches unique electric handing-over port, provides optional independent PLC Controlling System according to customer need.
Further, also comprise self check/interface unit, described self check/interface unit is for detection of fault.
Further, also comprise the manual bypass unit, described manual bypass unit comprises house steward's manual bypass and pressure-regulating pipe manual bypass.
Further, the support at described valve station adopts high strength groove/angle steel welding, rust cleaning, pickling, sprays paint and make.
The beneficial effects of the utility model are: Electromechanical Design is adopted at the intelligent Pneumatic valve station that the utility model adopts, replace traditional flow control mode, all instrumentation pipelines all are integrated on the integral valve station support, house steward, sub-cylinder and arm and the bypass of configuration dimension bore, whole valve station floor space is little, firm, rationally distributed, the simultaneously also easy access operation of structure; The flow control fast response time, the stable time only needs 3-5 about second from the flow set to the Flow-rate adjustment; The repair and maintenance amount is little, and maintenance cost is low.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, obtain instruction.Target of the present utility model and other advantages can realize and obtain by following specification sheets and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the intelligent valve of multiple branch circuit station fundamental diagram;
Fig. 2 is intelligent Pneumatic valve station owner view.
Among the figure, support-1, valve station house steward-2, sub-cylinder-3, integral flux controller-4, pressure unit-5, converter-6.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
Fig. 1 is the intelligent valve of multiple branch circuit station fundamental diagram, Fig. 2 is intelligent Pneumatic valve station owner view, as shown in the figure: the intelligent Pneumatic valve station based on the gas stepless control that the utility model provides comprises support 1 and is arranged at valve station house steward 2, source of the gas pretreatment unit, sub-cylinder 3, integral flux controller 4 and pressure unit 5 on the support; Described valve the station house steward be connected with sub-cylinder, described sub-cylinder outlet is provided with four arms at least, after the source of the gas medium that conveying is come accesses intelligent Pneumatic valve station, valve station house steward's instrument is to temperature, pressure, flow detects, regulate by pressure and to enter sub-cylinder after the source of the gas medium is adjusted to the required force value of production technique, the place, air outlet of each arm connects a Flow-rate adjustment branch road, finally be connected to corresponding equipment inlet mouth by on-the-spot pipeline, then regulate branch road by each pressure and flow are all satisfied the stable source of the gas medium transport of need of production to steel-making converter 6 production lines.Described source of the gas pretreatment unit comprises one-level house steward initial filtrator and secondary fine filter, and described one-level house steward's initial filtrator is arranged at house steward ingress, valve station, and described secondary fine filter is arranged at the sub-cylinder ingress.
Also comprise the house steward's pressure unit that is arranged on the house steward of valve station, total flowmeter for pipe and house steward's temperature sensor; Described house steward's pressure unit is for detection of valve station inner manifold gas pressure value; Described total flowmeter for pipe is for detection of valve station inner manifold gas stream value; Described house steward's temperature sensor is for detection of valve station inner manifold gas temperature value.Also comprise the pneumatic cut-off valve and the pressure regulator valve that are arranged on the house steward of valve station, described pneumatic cut-off valve is used for the break-make of gas flow in the house steward of control valve station; The source of the gas that described pressure regulator valve is used for regulating behind the pressure is input to sub-cylinder.
Also comprise automatically controlled terminal box, all devices model line of inside, valve station all concentrates in the electric terminal case that the valve station carries, and externally provides and clearly reaches unique electric handing-over port.Also can provide optional independent PLC Controlling System according to customer need.
Also comprise self check/interface unit, described self check/interface unit is for detection of fault.Also comprise the manual bypass unit, described manual bypass unit comprises house steward's manual bypass and pressure-regulating pipe manual bypass.The support at described valve station adopts high strength groove/angle steel welding, rust cleaning, pickling, spray paint and make.
Be provided with the PID fuzzy control software in described each arm, described PID fuzzy control software is used for the integral flux controller is adjusted pipeline by the flow signal automated closed-loop that receives actual flow value, do not need third-party operating device access, the time of response is fast, good stability.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (8)
1. based on the intelligent Pneumatic valve station of gas stepless control, it is characterized in that: comprise support and be arranged at valve station house steward, source of the gas pretreatment unit, sub-cylinder, integral flux controller and pressure unit on the support; Described valve the station house steward be connected with sub-cylinder, and described sub-cylinder outlet is provided with four arms at least, and the place, air outlet of each arm connects a Flow-rate adjustment branch road, finally is connected to corresponding equipment inlet mouth by on-the-spot pipeline.
2. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1, it is characterized in that: described source of the gas pretreatment unit comprises one-level house steward initial filtrator and secondary fine filter, described one-level house steward's initial filtrator is arranged at house steward ingress, valve station, and described secondary fine filter is arranged at the sub-cylinder ingress.
3. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1 is characterized in that: also comprise the house steward's pressure unit that is arranged on the house steward of valve station, total flowmeter for pipe and house steward's temperature sensor; Described house steward's pressure unit is for detection of valve station inner manifold gas pressure value; Described total flowmeter for pipe is for detection of valve station inner manifold gas stream value; Described house steward's temperature sensor is for detection of valve station inner manifold gas temperature value.
4. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1, it is characterized in that: also comprise the pneumatic cut-off valve and the pressure regulator valve that are arranged on the house steward of valve station, described pneumatic cut-off valve is used for the break-make of gas flow in the house steward of control valve station; The source of the gas that described pressure regulator valve is used for regulating behind the pressure is input to sub-cylinder.
5. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1, it is characterized in that: also comprise automatically controlled terminal box, the all devices model line of inside, valve station all concentrates in the electric terminal case that the valve station carries, externally provide and clearly reach unique electric handing-over port, can provide optional independent PLC Controlling System according to customer need.
6. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1, it is characterized in that: also comprise self check/interface unit, described self check/interface unit is for detection of fault.
7. the intelligent Pneumatic valve station based on the gas stepless control according to claim 1, it is characterized in that: also comprise the manual bypass unit, described manual bypass unit comprises house steward's manual bypass and pressure-regulating pipe manual bypass.
8. each described intelligent Pneumatic valve station based on the gas stepless control according to claim 1-7 is characterized in that: the support at described valve station adopts groove/angle steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639239 CN202898447U (en) | 2012-11-28 | 2012-11-28 | Intelligent gas control valve station based on continuous gas control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639239 CN202898447U (en) | 2012-11-28 | 2012-11-28 | Intelligent gas control valve station based on continuous gas control |
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| Publication Number | Publication Date |
|---|---|
| CN202898447U true CN202898447U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220639239 Expired - Fee Related CN202898447U (en) | 2012-11-28 | 2012-11-28 | Intelligent gas control valve station based on continuous gas control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930856A (en) * | 2015-07-06 | 2015-09-23 | 上海汇森益发工业炉有限公司 | Differential pressure control system and method of vacuum furnace |
| CN110029205A (en) * | 2018-10-09 | 2019-07-19 | 交城义望铁合金有限责任公司 | Refining furnace bottom blowing system and its air brick limiting alarm method |
| CN110756410A (en) * | 2019-11-05 | 2020-02-07 | 武汉钢铁有限公司 | Method for eliminating positive pressure of baking oven of color coating unit |
| CN113252291A (en) * | 2021-07-15 | 2021-08-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air supply system and method |
-
2012
- 2012-11-28 CN CN 201220639239 patent/CN202898447U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930856A (en) * | 2015-07-06 | 2015-09-23 | 上海汇森益发工业炉有限公司 | Differential pressure control system and method of vacuum furnace |
| CN110029205A (en) * | 2018-10-09 | 2019-07-19 | 交城义望铁合金有限责任公司 | Refining furnace bottom blowing system and its air brick limiting alarm method |
| CN110756410A (en) * | 2019-11-05 | 2020-02-07 | 武汉钢铁有限公司 | Method for eliminating positive pressure of baking oven of color coating unit |
| CN113252291A (en) * | 2021-07-15 | 2021-08-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air supply system and method |
| CN113252291B (en) * | 2021-07-15 | 2021-10-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air supply system and method |
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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: 20130424 Termination date: 20211128 |