CN105226612A - A kind of refuse landfill gas engine health protective device and method - Google Patents
A kind of refuse landfill gas engine health protective device and method Download PDFInfo
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- CN105226612A CN105226612A CN201510691970.5A CN201510691970A CN105226612A CN 105226612 A CN105226612 A CN 105226612A CN 201510691970 A CN201510691970 A CN 201510691970A CN 105226612 A CN105226612 A CN 105226612A
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- gas engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
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- Combined Controls Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to the technical field landfill gas produced in refuse landfill generated electricity as fuel utilization gas engine; be specifically related to a kind of refuse landfill gas engine health protective device and method; the refuse landfill gas engine health protective device adopted mainly carries out the protection of safety system to gas engine, the stable operation of fail safe to generating set improving system cloud gray model provides reliable running environment guarantee.Refuse landfill gas engine health protective device of the present invention, safety device alert detecting, failure of apparatus, redundant configuration all takes relevant control, ensure that the reliability of safety protection function, improves the stability of whole gas driven generator group.
Description
Technical field
The present invention relates to refuse landfill gas generating set power station technology field, be specifically related to a kind of refuse landfill gas engine health protective device and method.
Background technology
Refuse landfill gas generating set Power Station Monitored Control System is as the monitoring core in power station, and the operation in monitoring, control gas driven generator group power station, wherein the security control aspect of gas engine is particularly important, can ensure unit comprehensive stability, fail safe.
Summary of the invention
For the operation guaranteeing that gas driven generator group can be safe, reliable, efficient, ensure that parameters, warning and safety control function are normal, the invention provides a kind of refuse landfill gas engine health protective device and method.
For achieving the above object, the present invention adopts following technical scheme:
A kind of refuse landfill gas engine health protective device, comprise: gas driven generator group safety guard, gas engine cylinder temperature safety guard, processing module, described processing module first input end by gas driven generator group safety guard respectively with detonation sensor, biogas leak sensor, flame sensor, smoke-detecting sensor is connected, described processing module second input is connected to n cylinder cylinder temperature sensor with 1 cylinder cylinder temperature sensor by gas engine cylinder temperature safety guard, the output of described processing module respectively with power management control, circuit breaker, ACV Air Cut Valve, arresting gear is connected, refuse landfill gas engine health protective device is connected with refuse landfill gas generating set far-end computer supervising device by rubbish landfill gas engine monitoring device.
The guard method of a kind of refuse landfill gas engine health, by Boolean value output sensor signaling interface, programming instruction interface, the drived control interface of configuration, can complete the signals collecting of rotating speed, pressure, temperature, to the control of arresting gear, ACV Air Cut Valve; Its step is as follows:
1), for the collection of single cylinder temperature, average cylinder temperature, single-row cylinder temperature, carry out reservation normal data, data processing operation of fixing a breakdown, by the Treatment Analysis to cylinder temperature, according to different operating mode, provide power management control, circuit breaker, ACV Air Cut Valve work;
When gas driven generator group safety guard monitors the alarm signal that detonation sensor sends, cut off gas preliminary treatment main line and also make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors biogas leak sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors flame sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors smoke-detecting sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
When gas engine cylinder temperature safety guard monitoring unit single cylinder row Wen Wendu is greater than 690 DEG C, supervising device protection judgement sends sound and light alarm and after delay judgement confirmation, closes flow valve protection and shut down;
When several cylinder excess load actings of gas engine cylinder temperature safety guard gas engine, cylinder Wen Wendu raises, monitoring unit single cylinder row Wen Wendu is less than 690 DEG C, during cylinder temperature image data mistake, fault-tolerant processing can be taked in cylinder temperature safety guard inside, Cylinder will be reported to the police, and simultaneous faults cylinder temperature data will not participate in the computing of average cylinder temperature value;
When unit A arrange, B itemize column average cylinder Wen Wendu be greater than 660 DEG C time, supervising device protection judgement send sound and light alarm and delay judgement confirm after, close flow valve protection shut down;
When gas engine cylinder temperature safety guard monitors the acting of gas engine cylinder excess load, cylinder Wen Wendu raises, when unit single cylinder row Wen Wendu and this column average exhaust temperature difference absolute value (comprise 200 DEG C) more than 200 DEG C, during cylinder temperature image data mistake, can take fault-tolerant processing in cylinder temperature safety guard inside, Cylinder simultaneous faults cylinder temperature data of will reporting to the police will not participate in the computing of average cylinder temperature value; Supervising device protection judgement system sound and light alarm, and delay judgement confirms that closing flow valve protection shuts down;
The power control signal that power management control receiver gases generating set safety guard and gas engine cylinder temperature safety guard send also controls to reduce power by processing module automatically;
After circuit breaker receiver gases generating set safety guard and gas engine cylinder temperature safety guard send sub-gate signal, automatically will cut off load break switch by processing module, protect peripheral power consumption equipment;
ACV Air Cut Valve receiver gases generating set safety guard and gas engine cylinder temperature safety guard send emergency-stop signal and can automatically control emergency shutdown ACV Air Cut Valve action cut-out air inlet pipeline by processing module and make gas engine emergency shutdown.
2), when safety guard occurs automatically opening backup protection functional realiey redundancy protecting by basic supervising device when losing efficacy; Improve the reliability of safety protection function; measure is taken in transducer, line fault, processor fault, communication failure; safety guard is worked alone; security data by internal bus communication to basic supervising device, shown by parameter display screen display and externally communication to far-end computer device.
Owing to adopting technical scheme the present invention as above, there is following superiority:
A kind of refuse landfill gas engine health protective device and method, mainly carry out the protection of safety system to gas engine, the stable operation of fail safe to generating set improving system cloud gray model provides reliable running environment guarantee.Refuse landfill gas engine health protective device of the present invention, safety device alert detecting, failure of apparatus, redundant configuration all takes relevant control, ensure that the reliability of safety protection function, improves the stability of whole gas driven generator group.
Accompanying drawing explanation
Fig. 1 is refuse landfill gas engine health protective device system block diagram.
In figure: 1, gas driven generator group safety guard; 2, gas engine cylinder temperature safety guard; 3, processing module; 4, detonation sensor; 5, biogas leak sensor; 6, flame sensor; 7, smoke-detecting sensor; 8,1 cylinder cylinder temperature sensor; 9, n cylinder cylinder temperature sensor; 10, power management control; 11, circuit breaker; 12, ACV Air Cut Valve; 13, arresting gear; 14, rubbish landfill gas engine monitoring device; 15, refuse landfill gas generating set far-end computer supervising device; 16, refuse landfill gas engine health protective device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, described embodiment is only the present invention's part embodiment, instead of whole embodiments.
A kind of refuse landfill gas engine health protective device; safety guard is configured with Boolean value output sensor signaling interface, programming instruction interface, drived control interface, completes the control of rotating speed, pressure, the signals collecting of temperature and arresting gear, ACV Air Cut Valve.
Wherein, gas engine cylinder temperature safety guard can complete the collection of single cylinder temperature, average cylinder temperature, single-row cylinder temperature; carry out reservation normal data, data processing operation of fixing a breakdown; by the Treatment Analysis to cylinder temperature; according to different operating mode, provide power management control, circuit breaker, ACV Air Cut Valve work.Main protection function, by safety guard complete independently, opens backup protection functional realiey redundancy protecting when inefficacy appears in safety guard by basic supervising device automatically.Improve the reliability of safety protection function, in design, in sensor type, line fault, processor fault, communication failure etc., take certain measure.Safety guard works alone, security data by internal bus communication to basic supervising device, shown by parameter display screen display and externally communication to far-end computer device.
Described accompanying drawing 1 is refuse landfill gas engine monitoring equipment safety protective device system block diagram.Carry out safeguard protection to gas engine, the method mainly used has two kinds.
In described accompanying drawing 1, method 1 is when gas driven generator group safety guard monitors the alarm signal that detonation sensor sends, and cuts off gas preliminary treatment main line and also makes gas engine emergency shutdown;
In described accompanying drawing 1, method 1 is for sending alarm signal when gas driven generator group safety guard monitors biogas leak sensor, cuts off gas preliminary treatment main line and makes gas engine emergency shutdown;
In described accompanying drawing 1, method 1 is for sending alarm signal when gas driven generator group safety guard monitors flame sensor, cuts off gas preliminary treatment main line and makes gas engine emergency shutdown;
In described accompanying drawing 1, method 1 is for sending alarm signal when gas driven generator group safety guard monitors smoke-detecting sensor, cuts off gas preliminary treatment main line and makes gas engine emergency shutdown;
In described accompanying drawing 1, method 2 is for when gas engine cylinder temperature safety guard monitoring unit single cylinder row Wen Wendu is greater than 690 DEG C, and supervising device protection judgement sends sound and light alarm and after delay judgement confirmation, closes flow valve protection and shut down;
In described accompanying drawing 1, method 2 is for doing work when the several cylinder excess load of gas engine cylinder temperature safety guard gas engine; cylinder Wen Wendu raises; monitoring unit single cylinder row Wen Wendu is less than 690 DEG C; during cylinder temperature image data mistake; can take fault-tolerant processing in cylinder temperature safety guard inside, Cylinder simultaneous faults cylinder temperature data of will reporting to the police will not participate in the computing of average cylinder temperature value.When unit A arrange, B itemize column average cylinder Wen Wendu be greater than 660 DEG C time, supervising device protection judgement send sound and light alarm and delay judgement confirm after, close flow valve protection shut down;
In described accompanying drawing 1, method 2 is for monitoring the acting of gas engine cylinder excess load when gas engine cylinder temperature safety guard; cylinder Wen Wendu raises; when unit single cylinder row Wen Wendu and this column average exhaust temperature difference absolute value (comprise 200 DEG C) more than 200 DEG C; during cylinder temperature image data mistake; can take fault-tolerant processing in cylinder temperature safety guard inside, Cylinder simultaneous faults cylinder temperature data of will reporting to the police will not participate in the computing of average cylinder temperature value.Judgement system sound and light alarm protected by supervising device and delay judgement confirms that closing flow valve protection shuts down;
The power control signal that power management control receiver gases generating set safety guard in described accompanying drawing 1 and gas engine cylinder temperature safety guard send also controls to reduce power by processing module automatically.
Automatically will cut off load break switch by processing module after circuit breaker receiver gases generating set safety guard in described accompanying drawing 1 and gas engine cylinder temperature safety guard send sub-gate signal, protect peripheral power consumption equipment;
ACV Air Cut Valve receiver gases generating set safety guard in described accompanying drawing 1 and gas engine cylinder temperature safety guard send emergency-stop signal and can automatically control emergency shutdown ACV Air Cut Valve action cut-out air inlet pipeline by processing module and make gas engine emergency shutdown.
Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Claims (2)
1. a refuse landfill gas engine health protective device, it is characterized in that: comprising: gas driven generator group safety guard (1), gas engine cylinder temperature safety guard (2), processing module (3), described processing module (3) first input end by gas driven generator group safety guard (1) respectively with detonation sensor (4), biogas leak sensor (5), flame sensor (6), smoke-detecting sensor (7) is connected, described processing module (3) second input is connected to n cylinder cylinder temperature sensor (9) with 1 cylinder cylinder temperature sensor (8) by gas engine cylinder temperature safety guard (2), the output of described processing module (3) respectively with power management control (10), circuit breaker (11), ACV Air Cut Valve (12), arresting gear (13) is connected, refuse landfill gas engine health protective device (16) is connected with refuse landfill gas generating set far-end computer supervising device (15) by rubbish landfill gas engine monitoring device (14).
2. refuse landfill gas engine health guard method, it is characterized in that: by Boolean value output sensor signaling interface, programming instruction interface, the drived control interface of configuration, the signals collecting of rotating speed, pressure, temperature can be completed, to the control of arresting gear ACV Air Cut Valve; Its step is as follows:
1), for the collection of single cylinder temperature, average cylinder temperature, single-row cylinder temperature, carry out reservation normal data, data processing operation of fixing a breakdown, by the Treatment Analysis to cylinder temperature, according to different operating mode, provide power management control, circuit breaker, ACV Air Cut Valve work;
When gas driven generator group safety guard monitors the alarm signal that detonation sensor sends, cut off gas preliminary treatment main line and also make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors biogas leak sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors flame sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
Send alarm signal when gas driven generator group safety guard monitors smoke-detecting sensor, cut off gas preliminary treatment main line and make gas engine emergency shutdown;
When gas engine cylinder temperature safety guard monitoring unit single cylinder row Wen Wendu is greater than 690 DEG C, supervising device protection judgement sends sound and light alarm and after delay judgement confirmation, closes flow valve protection and shut down;
When several cylinder excess load actings of gas engine cylinder temperature safety guard gas engine, cylinder Wen Wendu raises, monitoring unit single cylinder row Wen Wendu is less than 690 DEG C, during cylinder temperature image data mistake, fault-tolerant processing can be taked in cylinder temperature safety guard inside, Cylinder will be reported to the police, and simultaneous faults cylinder temperature data will not participate in the computing of average cylinder temperature value;
When unit A arrange, B itemize column average cylinder Wen Wendu be greater than 660 DEG C time, supervising device protection judgement send sound and light alarm and delay judgement confirm after, close flow valve protection shut down;
When gas engine cylinder temperature safety guard monitors the acting of gas engine cylinder excess load, cylinder Wen Wendu raises, when unit single cylinder row Wen Wendu and this column average exhaust temperature difference absolute value (comprise 200 DEG C) more than 200 DEG C, during cylinder temperature image data mistake, can take fault-tolerant processing in cylinder temperature safety guard inside, Cylinder simultaneous faults cylinder temperature data of will reporting to the police will not participate in the computing of average cylinder temperature value; Supervising device protection judgement system sound and light alarm, and delay judgement confirms that closing flow valve protection shuts down;
The power control signal that power management control receiver gases generating set safety guard and gas engine cylinder temperature safety guard send also controls to reduce power by processing module automatically;
After circuit breaker receiver gases generating set safety guard and gas engine cylinder temperature safety guard send sub-gate signal, automatically will cut off load break switch by processing module, protect peripheral power consumption equipment;
ACV Air Cut Valve receiver gases generating set safety guard and gas engine cylinder temperature safety guard send emergency-stop signal and can automatically control emergency shutdown ACV Air Cut Valve action cut-out air inlet pipeline by processing module and make gas engine emergency shutdown;
2), when safety guard occurs automatically opening backup protection functional realiey redundancy protecting by basic supervising device when losing efficacy; Improve the reliability of safety protection function; measure is taken in transducer, line fault, processor fault, communication failure; safety guard is worked alone; security data are by internal bus communication to rubbish landfill gas engine monitoring device, and by the display of rubbish landfill gas engine monitoring device and externally communication is to far-end computer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691970.5A CN105226612A (en) | 2015-10-23 | 2015-10-23 | A kind of refuse landfill gas engine health protective device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691970.5A CN105226612A (en) | 2015-10-23 | 2015-10-23 | A kind of refuse landfill gas engine health protective device and method |
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| Publication Number | Publication Date |
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| CN105226612A true CN105226612A (en) | 2016-01-06 |
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| CN201510691970.5A Pending CN105226612A (en) | 2015-10-23 | 2015-10-23 | A kind of refuse landfill gas engine health protective device and method |
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Citations (5)
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|---|---|---|---|---|
| JP2013007352A (en) * | 2011-06-27 | 2013-01-10 | Mazda Motor Corp | Lean burn engine with supercharger |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN104533643A (en) * | 2014-12-19 | 2015-04-22 | 河南柴油机重工有限责任公司 | Gas engine lean combustion control method and system |
| CN104691717A (en) * | 2015-02-17 | 2015-06-10 | 李钢 | Operation and control information wireless transmission system for dual-fuel clean energy ship |
| CN205160045U (en) * | 2015-10-23 | 2016-04-13 | 河南柴油机重工有限责任公司 | Landfill gas body engine safety arrangement |
-
2015
- 2015-10-23 CN CN201510691970.5A patent/CN105226612A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013007352A (en) * | 2011-06-27 | 2013-01-10 | Mazda Motor Corp | Lean burn engine with supercharger |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN104533643A (en) * | 2014-12-19 | 2015-04-22 | 河南柴油机重工有限责任公司 | Gas engine lean combustion control method and system |
| CN104691717A (en) * | 2015-02-17 | 2015-06-10 | 李钢 | Operation and control information wireless transmission system for dual-fuel clean energy ship |
| CN205160045U (en) * | 2015-10-23 | 2016-04-13 | 河南柴油机重工有限责任公司 | Landfill gas body engine safety arrangement |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Bin Inventor after: Xu Dawei Inventor after: Guo Kai Inventor after: Xu Haifeng Inventor before: Yang Bin Inventor before: Xu Dawei Inventor before: Guo Kai Inventor before: Xu Haifeng |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160106 |