CN201787584U - Automatic ignition control system of release flare - Google Patents
Automatic ignition control system of release flare Download PDFInfo
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- CN201787584U CN201787584U CN2010205144853U CN201020514485U CN201787584U CN 201787584 U CN201787584 U CN 201787584U CN 2010205144853 U CN2010205144853 U CN 2010205144853U CN 201020514485 U CN201020514485 U CN 201020514485U CN 201787584 U CN201787584 U CN 201787584U
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- control system
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- flare
- ignition
- fuel gas
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Abstract
The utility model discloses an automatic ignition control system of a release flare, which belongs to the technical field to oil gas blow-down treatment. The system comprises an in-station blow-down pipe, a blow-down adjusting valve, a DCS distributed control system, a fuel gas solenoid valve, a high-voltage electronic ignition probe, a fuel gas pipe, a release flare pipe and an automatic ignition monitoring screen. The in-station blow-down pipe is connected with the release flare pipe through the blow-down adjusting valve; the fuel gas pipe is connected with the in-station blow-down pipe behind the blow-down adjusting valve through the fuel gas solenoid valve and extends to the top of the release flare pipe; and the DCS distributed control system is respectively and electrically connected with the blow-down adjusting valve, the fuel gas solenoid valve, the high-voltage electronic ignition probe, the automatic ignition monitoring screen and all parts of a production device. The automatic ignition control system realizes the function of the judgment and automatic control of release flare ignition conditions, and changes the original operational habit of manually judging the release flare ignition conditions by people so as to perform manual ignition operation.
Description
Technical field
The utility model relates to oil gas emptying processing technology field, particularly a kind of automatic Iganition control system of releasing flare.
Background technology
At present in production of hydrocarbons and treating apparatus, natural gas releases flare that ignition system extensively adopts be light a fire manually, manual electronic sparking or half-automatic ignition mode carry out.Progressively propelling along with industry energy conservation reduction of discharging work, natural gas equal energy source gas has been realized zero-emission gradually in many production of hydrocarbons and processing enterprise, for satisfying production system pressure oscillation or emergent emptying needs in emergency circumstances, still need timely safety dumping natural gas to guarantee production safety, emptying sparking mode such as igniting or manual electronic sparking just exist sparking untimely manually in this case, unburned fuel gas flies away atmosphere pollution everywhere increases operational deficiencies such as security risk and increase labor intensity of operating staff on every side, unfavorable safety in production and safety management.
In addition, along with science and technology development, the automatic ignition system of releasing flare is applied to Petrochemical Enterprises, production of hydrocarbons and handles enterprise more and more widely.As:
1. " petroleum machinery periodical " " lighter hydrocarbons station release flare automatic ignition system " of delivering, author: Yang Zhenwu, Zhao Wei, Zhao Chong town, time: 71 pages of 2006 the 34th the 8th phases of volume; A kind of automatic Iganition control system of releasing flare introduced in this literary composition, this system adopts PLC as core control part, have contactless control, igniting and manual ignition, flame-out and blowout protection, flare up fire are handled and warning function automatically, its technological process is as shown in Figure 1;
2. " petrochemical industry automation " " application of automatic ignition system in flare gas recovery " author: Wang Yu of delivering, the time: 92 pages of 2005 the 4th phases; This literary composition also is to have introduced the automatic Iganition control system of a kind of torch, and its technological process as shown in Figure 2.
Above-mentioned two kinds of automatic ignition systems have all designed independently automatically ignition control device (ignition control device, automatically light a fire program control instrument and Long-distance Control cabinet), finish whole automatic ignition process by communicating by letter with the DCS Distributed Control System.Whole control process contact closely, logicality is strong, independent operation is stronger, but has the device complexity, easy care not, the construction cost height is revised deficiencies such as relevant parameter in the time of can not complying with the expansion of production capacity reorganization and expansion and change ignition condition.
The utility model content
In order to solve the existing automatic ignition system complex structure of releasing flare, easy care not, problems such as construction cost height, the utility model proposes a kind of automatic Iganition control system of releasing flare, comprise blow-down pipe in the station, emptying control valve, DCS Distributed Control System, fuel gas magnetic valve, high-pressure electronic igniting probe, fuelgas pipeline, the release flare pipeline and the monitored picture of lighting a fire automatically; Blow-down pipe is connected with the pipeline of releasing flare by the emptying control valve in the described station; Described fuelgas pipeline is connected by blow-down pipe in the station behind fuel gas magnetic valve and the emptying control valve, and extends to the top of the described pipeline of releasing flare; Described DCS Distributed Control System is respectively with emptying control valve, fuel gas magnetic valve, high-pressure electronic igniting probe, the light a fire various piece of monitored picture and process units is electrically connected automatically.
Described automatic igniting monitored picture comprises interlocking/cancel switch control button picture, is used for clicking selection by mouse and starts igniting automatically or remove automatic igniting.
The switch loop of described fuel gas magnetic valve and high-pressure electronic igniting probe is electrically connected with described DCS Distributed Control System by on-off output card spare respectively.
Described on-off output card spare is used to export the switching value signal and pairing button is opened or closed procedure.
The on off state loop of described fuel gas magnetic valve and high-pressure electronic igniting probe is electrically connected with described DCS Distributed Control System by switching value input fastener respectively.
Described switching value input fastener be used to collect the opening or the closure state signal of corresponding loop.
Described high-pressure electronic igniting probe and fuelgas pipeline are combined as an integral body, or described high-pressure electronic igniting probe is the annex of the described fuelgas pipeline or the pipeline of releasing flare.
The utility model is controlled function by the powerful editor of DCS Distributed Control System and is replaced existing independently PLC, light a fire program control instrument or Long-distance Control cabinet automatically, release flare ignition condition oneself of realization judges control function automatically, change in the past by the artificial judgment operating habit that ignition condition carries out the manual ignition operation of releasing flare, reduce operating personnel's maloperation risk, extinguish " normal bright lamp ", reach effects of energy saving and emission reduction; In addition, in monitoring system, automatic ignition process flow process in scene and operating state are reacted to monitored picture, are convenient to operation and observation.
Description of drawings
Fig. 1 is the prior art lighter hydrocarbons station automatic ignition system process chart of releasing flare;
Fig. 2 is the application technology flow chart of prior art automatic ignition system in flare gas recovery;
Fig. 3 is a prior art manual ignition apparatus structure schematic diagram;
Fig. 4 is the utility model embodiment automatic Iganition control system structural representation of releasing flare;
Fig. 5 is the utility model embodiment automatic Iganition control system hardware catenation principle schematic diagram of releasing flare;
Fig. 6 is the utility model embodiment automatic Iganition control system monitored picture schematic diagram of releasing flare.
The specific embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are further described.
Fig. 3 shows existing manual ignition apparatus structure schematic diagram, its workflow is described below: when operating personnel find in the process monitoring system or produce when needing emptying control valve 2 to open, and confirm that aperture is bigger, when meeting natural gas emptying condition, enter operating room manual igniter manual ignition guidance panel is carried out the manual ignition operation, manual unlocking fuel gas electromagnetic valve switch is opened fuel gas magnetic valve 4, observe magnetic valve 4 switch state signal lamps, after confirming to open magnetic valve 4, press high-pressure electronic igniting probe button and open high-pressure electronic igniting probe 5, light the natural gas in the igniting fuelgas pipeline 6, the pipeline 7 of releasing flare simultaneously ignites; After finishing manual ignition panel ignition operation, whether operating personnel release flare to field observation and successfully light, success is lighted if confirm to release flare, then close the operation of igniter fuel tracheae line flame, step is closed fuel gas magnetic valve 4 for pressing the fuel gas electromagnetic valve switch, observe magnetic valve 4 switch state signal lamps, confirm that magnetic valve 4 cuts out after, promptly finish the natural gas manual ignition operation of releasing flare.Loop signal on the existing manual ignition device manual ignition guidance panel is for opening or closing semaphore, the utility model is on the basis of former manual ignition guidance panel function, with each control loop point of former manual ignition device, the cable of state point inserts DCS Distributed Control System hardware end and carries out signals collecting, it is inserted signal organize design according to the DCS service regeulations, according to presetting of the interlocking action of oil gas treatment system emptying control valve opening value, realize that the DCS Distributed Control System replaces manual operation to finish the automatic firing function of releasing flare with the automatic ignition system of releasing flare.
Referring to Fig. 4, the utility model embodiment provides a kind of automatic Iganition control system of releasing flare, and this system comprises blow-down pipe 1 in the station, emptying control valve 2, DCS Distributed Control System 3, fuel gas magnetic valve 4, high-pressure electronic igniting probe 5, fuelgas pipeline 6, the release flare pipeline 7 and the monitored picture 8 of lighting a fire automatically; Blow-down pipe 1 is connected with the pipeline 7 of releasing flare by emptying control valve 2 in standing; Fuelgas pipeline 6 is connected by blow-down pipe 1 in the station behind fuel gas magnetic valve 4 and the emptying control valve 2, and extends to the top of the pipeline 7 of releasing flare; DCS Distributed Control System 3 is respectively with emptying control valve 2, fuel gas magnetic valve 4, high-pressure electronic igniting probe 5, the light a fire various piece of monitored picture 8 and process units is electrically connected automatically.Wherein, high-pressure electronic igniting probe 5 can be combined as an integral body with fuelgas pipeline 6, the act as a fuel annex of the tracheae line 6 or the pipeline 7 of releasing flare of the probe 5 of also high-pressure electronic can being lighted a fire.
In concrete enforcement, the system that present embodiment provides is mainly connected by hardware and software design two parts are formed:
1, hardware connects
Existing manual ignition device mainly contains following signaling point: fuel gas electromagnetic valve switch loop, high-pressure electronic igniting probe ignition switch loop, magnetic valve state loop, ignition switch state loop.Present embodiment can adopt 4 pairs of cables directly and be connected to the two ends of ignition operation panel-switch button, the cable of receiving ignition operation panel operation and status signal point is inserted the Distributed Control System hardware end carry out signals collecting, each signal access rules as shown in Figure 5, wherein the DO fastener is an on-off output card spare, be used for exporting switching value signal and pairing button is opened or closed procedure, the DI fastener is a switching value input fastener, be used for collecting the opening or the closure state signal of corresponding loop, the collection of above signal inserts the corresponding fastener of DCS, signal feedback and sending all through the design of DCS tissue according to manual ignition operation enforcement.The triggering signal of high-pressure electronic igniting probe 5 is a pulse signal.Automatically the igniting trigger condition is the aperture of emptying control valve 2, specifically can set according to technological requirement, and present embodiment is aperture＞2% of emptying control valve 2, promptly when the aperture of emptying control valve 2 greater than 2% the time, release flare and light a fire automatically.
2, software design
After hardware components is finished connection, then need to realize control procedure and finish the automatic ignition operation of releasing flare, and whole flow state is shown to DCS master-control room monitoring system by the program software design.
After former manual ignition device each several part signaling point is inserted, utilize DCS Distributed Control System Engineering Control language that the various signals that insert are organized design, contents of program: determine that at first the aperture that automatic igniting action triggers condition is an emptying control valve 2 reaches preset value, and cycle self check igniting trigger condition; Add the automatic ignition system interlocking switch, be used for selecting to come into operation or do not come into operation automatic ignition system; Under the situation that interlocking switch comes into operation, the program self check is lighted a fire when satisfying trigger condition automatically to releasing flare, the DO fastener issues a signal to the fuel gas electromagnetic valve switch loop on the manual control panel, open magnetic valve for the signal of 4 one " closure " orders of fuel gas magnetic valve, after magnetic valve is successfully opened status signal is turned back to the DI fastener and collect, and notice DCS Distributed Control System; Afterwards, after program judges that magnetic valve success opening signal returns, the DO fastener issues a signal to the high-pressure electronic probe button loop on the manual control panel, give the action of lighting a fire of the pulse signal of " closure " order of button ignition switch, and continue for some time, after treating that the igniting action is finished, the DO fastener issues a signal to the fuel gas electromagnetic valve switch loop on the manual control panel once more, give the signal at stop magnetic valve of " opening " order of fuel gas magnetic valve, to close the magnetic valve status signal simultaneously and turn back to the DCS Distributed Control System, once automatically the igniting action is finished, the ignition condition of program self check following one-period.
The release flare workflow of automatic Iganition control system of present embodiment is: after the aperture of emptying control valve 2 satisfies the setting value of automatic ignition system, the ignition condition signal is transferred to the DCS Distributed Control System, postpone magnetic valve 4 is carried out opening action through judgement and time, elapsed time postpones and sends pulse signal to light a fire natural gas in the operating point burning-point fire fuelgas pipeline 6 of high-pressure electronic sparking probe 5 by the DCS Distributed Control System again, and continue 30 seconds, the fuelgas pipeline flame of lighting the simultaneously Trunk Line 7 of releasing flare that ignites; When program clock satisfy from condition picked up counting full 6 minutes after, close magnetic valve 4, promptly close the flame on the igniter fuel tracheae line 6, finish the igniting action automatically of once releasing flare, the automatic ignition section of DCS Distributed Control System continues the aperture of emptying control valve 2 is patrolled and examined, and the condition of waiting for next time triggers.
In actual applications, the automatic trigger condition of lighting a fire of releasing flare is not limited only to the aperture of present embodiment emptying control valve, can select other igniting trigger conditions automatically according to process environments and appointed condition in addition, for example: natural pressure force signal, flow signal, natural gas leaking, fire alarm signal, the parking of related process equipment etc. cause the condition of a large amount of dischargings of pipeline natural gas of releasing flare.Utilize these signals as the igniting trigger condition automatically of releasing flare, also can realize the release flare automatic ignition system identical with present embodiment, it realizes that principle all is that the DCS centralized Control of igniting automatically realizes releasing flare with the status signal and the control signal access DCS Distributed Control System of trigger condition.
Below by a concrete example, further set forth the release flare workflow of automatic Iganition control system of present embodiment: at first set ignition condition, the aperture of emptying control valve 2＞2%, when the production system pressure oscillation causes the aperture of emptying control valve 2＞2%, postpone after 2 minutes, magnetic valve 4 is opened, and picks up counting, timing 6 minutes; Magnetic valve " leaves " status signal and feeds back to the DCS control system, postpones after 5 seconds, continue to send pulse signal 30 seconds to high-pressure electronic igniting probe 5, the action of lighting a fire, and fire fuel gas, the Trunk Line of releasing flare simultaneously ignites; After the timing to 6 minute, magnetic valve 4 closes, and will " passs " signal feedback to the DCS control system, finish once automatic ignition process.The DCS Distributed Control System begins to monitor the state status of ignition condition next time, judges whether to satisfy the ignition condition of setting.
Running status for the automatic ignition system of can real time monitoring releasing flare, the utility model embodiment has increased automatic igniting monitored picture 8 in the monitored picture of DCS master-control room, this picture includes interlocking/cancel switch control button picture, being used for clicking selection by mouse starts igniting automatically or removes automatic igniting, as shown in Figure 6: in use, when adopting automatic ignition system, need to click interlocking/cancel switch control button picture with mouse earlier, to start automatic ignition system; When the dynamic show value of the aperture of emptying control valve reaches the aperture setting value, when satisfying automatic ignition condition, the magnetic valve state becomes the green open mode that shows, while manual ignition state becomes green expression high-pressure electronic igniting probe and moves, after arriving time delay, the magnetic valve state becomes red expression closed electromagnetic valve, and once the igniting action is finished automatically, system enters and patrols and examines, and waits for the triggering after next condition satisfies.
In addition, present embodiment can also be by realize the releasing flare manual ignition operation of igniting automatically of DCS long distance control system: when the interlocking in the automatic igniting monitored picture/when cancel switch control button picture is in disarm state, directly the manual ignition button of clicking in the monitored picture of lighting a fire automatically with mouse gets final product, after confirming that remote manual is lighted a fire successfully, click the fiery button in manual pass in the monitored picture of lighting a fire automatically again, what closed this moment is the flame of fuelgas pipeline flame, rather than the flame of releasing flare.In automatic Iganition control system process is released flare in making, the function that has kept former manual ignition control panel, not influenced by automatic ignition system when promptly on operation site IGNITION CONTROL panel, lighting a fire action, independent fully, but the action of the operating influence automatic ignition system of control panel is finished.
The automatic Iganition control system of releasing flare that the utility model embodiment provides has following advantage:
1, realized the releasing flare automatic control function of igniting, changed in the past by the artificial judgment operating habit that ignition condition carries out the manual ignition operation of releasing flare, the ignition condition oneself that realized releasing flare judges, controls automatically function, reduced operating personnel's maloperation risk, extinguish " normal bright lamp ", reach effects of energy saving and emission reduction;
2, changed the way of in the past putting normal bright lamp, realized the natural gas zero-emission of real meaning, eliminated because the major safety risks such as fire explosion that the natural gas diffusion brings have reduced staff labor intensity;
3, owing to adopt ripe DCS Distributed Control System control function, make simple in structure, the easy care, easy to operate of whole ignition system, operation interface hommization, close friend, directly perceived can together monitor with other technology controlling and process;
4, can click interlocking/releasing control button picture by mouse according to producing needs, select to come into operation or remove automatic Iganition control system; Can build needs according to production capacity increases corresponding emptying point at any time and changes ignition condition, and the ignition condition setting value can be carried out online modification, and flexibility is strong;
5, kept former manual operation function, can be at the scene manually or in long distance control system, carry out the manual ignition operation, safe and reliable.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. automatic Iganition control system of releasing flare, it is characterized in that, comprise blow-down pipe in the station, emptying control valve, DCS Distributed Control System, fuel gas magnetic valve, high-pressure electronic igniting probe, fuelgas pipeline, the release flare pipeline and the monitored picture of lighting a fire automatically; Blow-down pipe is connected with the pipeline of releasing flare by the emptying control valve in the described station; Described fuelgas pipeline is connected by blow-down pipe in the station behind fuel gas magnetic valve and the emptying control valve, and extends to the top of the described pipeline of releasing flare; Described DCS Distributed Control System is respectively with emptying control valve, fuel gas magnetic valve, high-pressure electronic igniting probe, the light a fire various piece of monitored picture and process units is electrically connected automatically.
2. the automatic Iganition control system of releasing flare as claimed in claim 1 is characterized in that, described automatic igniting monitored picture comprises interlocking/cancel switch control button picture, is used for clicking selection by mouse and starts igniting automatically or remove automatic igniting.
3. the automatic Iganition control system of releasing flare as claimed in claim 1 or 2 is characterized in that, the switch loop of described fuel gas magnetic valve and high-pressure electronic igniting probe is electrically connected with described DCS Distributed Control System by on-off output card spare respectively.
4. the automatic Iganition control system of releasing flare as claimed in claim 3 is characterized in that, described on-off output card spare is used to export the switching value signal and pairing button is opened or closed procedure.
5. the automatic Iganition control system of releasing flare as claimed in claim 1 or 2 is characterized in that, the on off state loop of described fuel gas magnetic valve and high-pressure electronic igniting probe is electrically connected with described DCS Distributed Control System by switching value input fastener respectively.
6. the automatic Iganition control system of releasing flare as claimed in claim 5 is characterized in that, described switching value input fastener be used to collect the opening or the closure state signal of corresponding loop.
7. the automatic Iganition control system of releasing flare as claimed in claim 1 or 2, it is characterized in that, described high-pressure electronic igniting probe and fuelgas pipeline are combined as an integral body, or described high-pressure electronic igniting probe is the annex of the described fuelgas pipeline or the pipeline of releasing flare.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205144853U CN201787584U (en) | 2010-09-02 | 2010-09-02 | Automatic ignition control system of release flare |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205144853U CN201787584U (en) | 2010-09-02 | 2010-09-02 | Automatic ignition control system of release flare |
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| CN201787584U true CN201787584U (en) | 2011-04-06 |
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| CN2010205144853U Expired - Lifetime CN201787584U (en) | 2010-09-02 | 2010-09-02 | Automatic ignition control system of release flare |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102278772A (en) * | 2011-08-23 | 2011-12-14 | 中国石油集团工程设计有限责任公司 | Solar electric ignition system |
| CN102537983A (en) * | 2012-01-10 | 2012-07-04 | 中国寰球工程公司 | Automatic torch ignition system and automatic torch ignition method |
| CN102588981A (en) * | 2012-03-12 | 2012-07-18 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN103293016A (en) * | 2013-05-31 | 2013-09-11 | 珠海醋酸纤维有限公司 | Burner fault diagnosis system based on DCS (distributed control system) |
| CN108036336A (en) * | 2017-11-30 | 2018-05-15 | 重庆三峰环境产业集团有限公司 | A kind of method of safe utilization percolate treatment plant biogas |
| CN108150664A (en) * | 2018-01-31 | 2018-06-12 | 佛山市云米电器科技有限公司 | It is a kind of to enhance the long-range mechanical valve for closing fire safety |
| CN109028101A (en) * | 2018-06-24 | 2018-12-18 | 中国石油天然气股份有限公司西南油气田分公司重庆气矿 | A kind of Liftable type Venting and Flare Stack System |
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2010
- 2010-09-02 CN CN2010205144853U patent/CN201787584U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278772A (en) * | 2011-08-23 | 2011-12-14 | 中国石油集团工程设计有限责任公司 | Solar electric ignition system |
| CN102537983A (en) * | 2012-01-10 | 2012-07-04 | 中国寰球工程公司 | Automatic torch ignition system and automatic torch ignition method |
| CN102537983B (en) * | 2012-01-10 | 2014-03-12 | 中国寰球工程公司 | Automatic torch ignition system and automatic torch ignition method |
| CN102588981A (en) * | 2012-03-12 | 2012-07-18 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN102588981B (en) * | 2012-03-12 | 2014-03-12 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN103293016A (en) * | 2013-05-31 | 2013-09-11 | 珠海醋酸纤维有限公司 | Burner fault diagnosis system based on DCS (distributed control system) |
| CN103293016B (en) * | 2013-05-31 | 2015-12-23 | 珠海醋酸纤维有限公司 | Based on the combustor fault diagnosis system of DCS system |
| CN108036336A (en) * | 2017-11-30 | 2018-05-15 | 重庆三峰环境产业集团有限公司 | A kind of method of safe utilization percolate treatment plant biogas |
| CN108150664A (en) * | 2018-01-31 | 2018-06-12 | 佛山市云米电器科技有限公司 | It is a kind of to enhance the long-range mechanical valve for closing fire safety |
| CN108150664B (en) * | 2018-01-31 | 2024-04-26 | 佛山市云米电器科技有限公司 | Mechanical valve for enhancing remote fire closing safety |
| CN109028101A (en) * | 2018-06-24 | 2018-12-18 | 中国石油天然气股份有限公司西南油气田分公司重庆气矿 | A kind of Liftable type Venting and Flare Stack System |
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