CN202434013U - Infrared thermal imaging online monitoring system for petrochemical optional key device - Google Patents
Infrared thermal imaging online monitoring system for petrochemical optional key device Download PDFInfo
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- CN202434013U CN202434013U CN2012200027674U CN201220002767U CN202434013U CN 202434013 U CN202434013 U CN 202434013U CN 2012200027674 U CN2012200027674 U CN 2012200027674U CN 201220002767 U CN201220002767 U CN 201220002767U CN 202434013 U CN202434013 U CN 202434013U
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Abstract
The utility model provides an infrared thermal imaging online monitoring system for a petrochemical optional key device. The infrared thermal imaging online monitoring system comprises infrared thermal imaging terminals, a plurality of signal transmission modules, an infrared thermal imaging monitoring client and an alarm device, the infrared thermal imaging terminals are arranged around a key position of the optional key device, each infrared thermal imaging terminal is connected to the infrared thermal imaging monitoring client through one signal transmission module, and the infrared thermal imaging monitoring client is connected with the alarm device. By the aid of the infrared thermal imaging online monitoring system, internal conditions of the key position of the petrochemical device can be monitored, and an alarm can be given when potential dangers are monitored.
Description
Technical field
The utility model relates to a kind of infrared thermal imaging online monitoring system of petrochemical equipment, the infrared thermal imaging online monitoring system in particularly a kind of key equipment selected that is applied to tower, heat interchanger, reactor, storage tank, chemical flow-process pump, plant equipment, torch, process pipe, valve, heating furnace, warehouse, stockyard etc. in the petrochemical equipment.
Background technology
In petrochemical industry; Because dangerous material such as the inflammable and explosive oil of petrochemical equipment contact or rock gas; Therefore be prone to accidents, and the industrial accident of a secondary burst just might cause equipment paralysis, huge property loss; Or even casualties, and continuous monitoring temperature and the real-time report of key position temperature trend have become the maintenance problems that needs to be resolved hurrily.
There is accident potential easily in the petrochemical equipments such as discovery tower, heat interchanger, reactor, storage tank, chemical flow-process pump, plant equipment, torch, process pipe, valve, heating furnace, warehouse and stockyard that study for a long period of time through the inventor; The discovery that studies for a long period of time through the inventor; These petrochemical equipments have individual common characteristic; Promptly before accident takes place; Its temperature variation is to be undertaken by specific rule, but the temperature changing regularity of different petrochemical equipments is not necessarily identical, like (asking the inventor to lift one or two example shows is by what rule to change).At this, the inventor is defined as the key equipment selected of petrochemical industry with these petrochemical equipments, and can select key equipment is exactly that accident potential exists the petrochemical equipment of temperature variation clocklike.Therefore if can before can select the generation of key equipment accident, monitor its temperature variation, and judge whether it is undertaken by specific rule; Thereby, accident alarms before taking place; Therefore can fire failure be nipped in the bud, extremely important meaning is arranged, and be mostly smog alarm and visible light warning in the monitoring system or the method for the petrochemical equipment that uses at present; Because smog and flame must be at the beginning of disaster takes place or just can produce afterwards; Therefore its alarm principle is at the beginning of accident takes place or alarms afterwards, so often misses the best real machine of disposing before the accident of the disaster relief, finally breeds disaster.And visible light reports to the police and also to have a shortcoming, must the Attended mode display screen, and cause people on duty tired out easily.
Below being the inventor can select the representative accident illustration of key equipment to some petrochemical enterprises in recent years:
1, certain petrochemical enterprise injects desulfurizing agent to petroleum tank, because the main body of desulfurizing agent own is the oxydol of strong oxidizing property, causes behind the chance crude oil that temperature raises; The high oxygenolysis of quickening oxydol on the temperature; Cause temperature to raise rapidly, the liquid gasification causes the decanting point pipeline burst; The static that pipeline burst produces causes the generation of fire failure; Therefore the temperature monitoring of decanting point is even more important.
2, unstable phenomenon appears in the valve spacer of certain petrochemical enterprise deep fat pump house, causes deep fat from pad ejection, and deep fat runs into automatic combustion behind the air, causes the generation of fire failure.The valve spacer unstability needs the regular hour, and the valve that unstability possibly occur has uncertainty, and therefore if pad place temperature rises can in time be obtained detecting and control, valve-off is taked suitable operation, will avoid the generation of accident.
3, certain petrochemical enterprise burning fire torch adopts visible red imaging technique to monitor, but torch burning or do not burn no matter, present closed-circuit TV system all can't be reported to the police, and has only manual work to make judgement.Therefore flare tip is reduced and in time obtains detecting and control being burned to flame-out temperature, carry out operations necessary and avoid being even more important of accident.
4, certain petrochemical enterprise lightweight oil storage tank that can use, the content of sulfide is higher in the storage tank medium.Although storage tank is anticorrosion in carrying out, because the continuous operation of floating plate, anticorrosive coat destroys in must causing; The iron that the anticorrosive coat that destroys is inner runs into the sulfide in the medium, produces iron protosulfide; And the process that produces iron protosulfide is the heating process; Temperature raises and quickens to produce the reaction velocity of iron protosulfide, finally causes temperature to raise and draws right medium, causes the generation of explosion accident.
5, the outer floating roof tank of the large-scale petroleum of certain petrochemical enterprise, the O-ring seal place inflammable gas because thunder and lightning ignites, thereby breaking out of fire.Though petroleum storage tank is typically provided with grating optical cable temperature-sensitive warning system; But because grating optical cable temperature-sensitive warning system is a contact temperature-sensitive warning system, it needs directly to contact with the O-ring seal place, and O-ring seal place environment is poor; Corrosion causes that warning system is malfunctioning, and can't in time report to the police.
6, the oil internal floating roof tank of certain petrochemical enterprise, the O-ring seal place inflammable gas because thunder and lightning ignites, thereby breaking out of fire.This oil internal floating roof tank belongs to the O district according to standard, can not establish grating optical cable temperature-sensitive and report to the police, and this environmental corrosion is severe more, and initial fire disaster can't be reported to the police.Because fire can not early detection, finally leads to major break down.
7, the device for producing hydrogen of certain petrochemical enterprise adopts low ratio of carbon-hydrogen fluctuation of service; Adopt high ratio of carbon-hydrogen, cause the corrosion of pipe-line equipment easily.This device adopts high ratio of carbon-hydrogen after obtaining the design agreement, but carries out 1 month the time restriction that design allows.The medium of high ratio of carbon-hydrogen has very strong corrosivity, causes the aggravation of threeway place local corrosion, finally causes pipeline breaking, and medium is revealed, and produces explosion accident, and device is damage seriously.Therefore the monitoring of threeway place environment temperature is also very important.
8, the coker of certain petrochemical enterprise, coke drum equipment top apparatus breaks, and causes residual oil to leak, and splash causes fire near high-temperature pipe, finally cause blast and coking tower to collapse.Fire causes owing to the corrosion of equipment top metal slightly weakens, and the appts wall of attenuate holds the pressure of the work of can't stand.The equipment part of attenuate local temperature must occur and raise, and is an ever-increasing process.If in the equipment environment temperature monitoring that possibly go wrong, in time take measures, will avoid the generation of accident.
And make a general survey of in the prior art the monitoring system and the research situation of method to petrochemical equipment, all find to be directed against the situation that said petrochemical complex can be selected the key equipment monitoring internal temperature.As:
2009.08.19 it is disclosed; Publication number is that China's invention of CN101509822 relates to a kind of light organic petrochemicals water cooler leakage on-line monitoring method and instrument; Draw the recirculated water in the light organic petrochemicals water cooler is online; The recirculated water sample is through filtering and feeding to vaporizer through flowmeter, and this process has steam tracing; Pressurized air is carried in the sample that device is passed into vaporizer through flowmeter is gentle; Inflammable gas component in the sample is after gas is carried; Be carried in the sensing chamber through cooling and filtration, detect the concentration of inflammable gas in the sample by highly sensitive combustible gas detector; Through flow, the compressed-air actuated flow of the recirculated water that detects, calculate the concentration of inflammable gas in the recirculated water again, show and convert simulating signal to or digital signal is delivered to Surveillance center these data are on-the-spot then.Its objective is the concentration that is used to monitor inflammable gas, do not relate to the situation that relevant said petrochemical complex can be selected the key equipment monitoring internal temperature.
2010.01.20 disclosed, publication number is the method that China's invention of CN101630399 relates to a kind of monitoring security of major petrochemical hazard installations, this method comprises: the stability that improves system; Improve the security of network; Improve fast corresponding real-time; Promote the processing power of mass data; Improve the multidisciplinary coordination ability; The real-time update of data; Increase the ability of sustainable expansion; Strengthen and move service ability.Compared with prior art; This invention is to come major hazard source is implemented monitoring effectively through improving monitor system performance; Eliminate accident potential to greatest extent, reduce the loss, do not relate to the situation that relevant said petrochemical complex can be selected the key equipment monitoring internal temperature.
2010.11.17 it is disclosed; Publication number is China's invention petrochemical industry leakage monitoring and positioning early-warning system and the method for building up thereof of CN101888413A; The device that relates to a kind of prevention, inspection and definite position of gas loss is made up of master system, Centroid, routing node and terminal node four parts.Wherein, Software section in the master system comprises GIS-Geographic Information System and virtual reality control system; The wireless network node that all nodes all are made up of ZigBee wireless module, sensor assembly and power module; The ZigBee wireless module has used the ZigBee wireless transmission protocol, and sensor assembly carries a micro-leakage gas sensor, and power module is made up of 3.6V dc-battery and voltage conversion circuit.When the present invention has realized that environmental parameter, latent defect early warning information and the accident of Surveillance center and all control points of entire field take place the accurate locating information of dangerous matter sources synchronously; Overcome the problem that prior art can not be carried out monitoring and warning and field data is gathered and transmitted the burst incident of leakage in time, also do not related to the situation that relevant said petrochemical complex can be selected the key equipment monitoring internal temperature.
2008.07.30 disclosed, publication number is a kind of petrochemical industry harbour of Chinese utility model automatic fire fighting supervisory system of CN201091757, employing be distributed Distributed Control System (DCS), form by the control substation two-stage of dispatching center and wharf apron; Wherein be provided with controlling center (adopting Siemens S7300PLC), substation adopts distributed remote I/O (Siemens ET200M), and the dispatching center is provided with 2 industrial computers as master station; Each station joins end to end through multimode optical fiber, and the data acquisition module of respectively controlling substation simultaneously connects to be arranged on monitors the firemain system that on-the-spot measuring instrument (like pressure unit, liquid level gauge etc.) cooperates with it: equipment such as the central computer control fire extinguishing pump of dispatching center, electrically operated valve, fire monitor; This automatic fire fighting supervisory system possesses remote control, remote measurement and remote viewing function.This system utilizes multimode optical fiber to monitor, and can not monitor the situation that said petrochemical complex can be selected the internal temperature of key equipment key position.
2009.07.15 disclosed, publication number is the Chinese utility model petrochemical industry harbour production automation supervisory system of CN201274014, connects scheduling DLP giant-screen by master controller, connects the PLC in the control rack through the CP5611 address card; The PLC bus connects a plurality of optical fiber link modules, connects the control substation through communication cable again; Each is controlled substation and connects the on-the-spot instrument and meter for automation of harbour, electrically operated valve, oil transfer arm.The fiber termination box of control substation connects the optical fiber link module, connects remote I/O and ET200M signal acquisition module again.As the teletransmission terminal, the data of gathering the harbour substation through industrial control configuration manifest with the user interface of hommization in real time with automatic instrument(s), electrically operated valve, oil transfer arm.This system utilizes optical fiber link to monitor; Its Long-distance Control, the chain warning of line pressure, the collection of oil transfer arm status signal, homophony that mainly realizes electrically operated valve lacks mending-leakage etc. to looking into of wharf apron operation, can not monitor the temperature that said petrochemical complex can be selected the key equipment key position equally.
2010.11.17 disclosed, publication number is that the Chinese utility model of CN201638368U relates to industrial control field, refers more particularly to the gas detection alarm system that a kind of RF of utilization radio carrier communication module transmits warning message.Include gas detector, watch-dog, electric line carrier communication module, it is characterized in that being provided with a plurality of gas detectors; Watch-dog can pass through electric line carrier communication module samples gas detector data.Its application at petrochemical field mainly is the monitoring that gas is leaked.
This shows,, ir monitoring petrochemical equipment also do not occur utilizing at present in petrochemical industry, with internal temperature effectively monitoring and prediction in real time to the key position of the key equipment selected of said petrochemical industry, and method of alarming or device.And present petrochemical enterprise constantly increases the quantity of Sulfur-Containing Crude, and the content of intermediate raw material jar sulphur is also increasing; Ethylene raw needs suitable sulfide content, and is favourable to production run; The checking maintenance cycle of equipment constantly shortens, and continuous production run constantly prolongs, and the chance that possibly have problems increases again; The employee that enterprise employs is reducing, and the requirement of robotization is improving; Society is improving, and society is improving requirement of safe production, and the pressure that enterprise security is produced is increasing.Therefore, be badly in need of a kind of internal temperature effectively monitoring and prediction in real time that is directed against these key positions that can select key equipment, remedy the deficiency of prior art PetroChina Company Limited. equipment monitoring system.
Summary of the invention
The technical matters that the utility model will solve; Be to provide a kind of infrared thermal imaging online monitoring system of the key equipment selected of petrochemical industry; Utilize the internal temperature situation of change of ir monitoring petrochemical equipment key position, and can alarm potential danger.
The technical matters that the utility model will solve is achieved in that this system comprises a plurality of infrared thermal imageries terminal, a plurality of signal transmission module, an infrared thermal imagery monitor client, a warning device; Said a plurality of infrared thermal imageries terminal is arranged on the said key position periphery of selecting key equipment; Each infrared thermal imagery terminal all is connected to said infrared thermal imagery monitor client through a signal transmission module, and said infrared thermal imagery monitor client connects said warning device again.
Said infrared thermal imagery terminal further comprises an infrared thermal imaging module and temperature analysis module, and said infrared thermal imaging module and temperature analysis module all are connected to said signal transmission module.Said infrared thermal imagery terminal also comprises a visible light auxiliary camera, and this visible light auxiliary camera is connected to said signal transmission module.
The visible light vision signal of said infrared thermal imaging module and the Infrared Video Signal of said visible light auxiliary camera are sent on the same screen of said infrared thermal imagery monitor client and show, display mode comprises that total visible light display mode, complete infrared display mode, infrared visible light merge at least a in the display mode.
Said infrared thermal imagery terminal also comprises a protective cover and the The Cloud Terrace that is connected the protective cover below; One end of said protective cover is provided with infrared window; Said infrared thermal imaging module, temperature analysis module, visible light auxiliary camera all are located at the inside of said protective cover; Also be provided with rain brush on the said infrared window, also be provided with heating arrangement and air cooling equipment in the said protective cover.
Said infrared thermal imagery monitor client also connects far-end server through Ethernet, and this far-end server has backstage analysis management module.
The utlity model has following advantage: the system of the utility model utilizes ir before can selecting the generation of key equipment accident; Monitor its temperature variation, and judge whether it is undertaken by specific rule, thereby before accident takes place, alarm; Can fire failure be nipped in the bud; And take effective preventive measure that great data support is provided to follow-up, in addition, the present invention also can realize contactless hot spot scanning; With internal temperature effectively monitoring and prediction in real time, and in time alarm the petrochemical equipment key position.Itself and technological before important difference are that technology before is monitoring and the warning of carrying out after fire generation or combustible leak, and the utility model is to occur detecting before and reporting to the police in these problems, and accident is obliterated in rudiment.
Description of drawings
Combine embodiment that the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structured flowchart of the utility model supervisory system preferred embodiment.
Fig. 2 is the method flow block diagram that utilizes the utility model supervisory system to monitor.
Embodiment
See also shown in Figure 1; One preferred embodiment of the utility model supervisory system comprises a plurality of infrared thermal imageries terminal 1, a plurality of signal transmission module 2, an infrared thermal imagery monitor client 3, a warning device 4; Said a plurality of infrared thermal imageries terminal 1 is arranged on the key position periphery of the key equipment selected (not shown) of petrochemical industry; Each infrared thermal imagery terminal 1 all is connected to infrared thermal imagery monitor client 3 through a signal transmission module 2, and said infrared thermal imagery monitor client 3 connects said warning device 4 again.
Said infrared thermal imagery terminal 1 further comprises an infrared thermal imaging module 11, a temperature analysis module 12 and a visible light auxiliary camera 13, and said infrared thermal imaging module 11, temperature analysis module 12 and visible light auxiliary camera 13 all are connected to said signal transmission module 2.The infrared lens of said infrared thermal imaging module 1 can be according to the actual demand customization at scene, to possess suitable resolution, field angle/minimum focus, heat sensitivity, operation wavelength, image refreshing frequency or the like parameter; Said temperature analysis module 12 can adopt the focal plane permutation, and non-refrigeration vanadium oxide micro-metering bolometer also can be according to the actual demand customization at scene, to possess suitable temperature-measuring range, precision, temp sensing function, like the real-time thermometric of various point, line, surface.
For the said infrared thermal imaging module of better protection 11, temperature analysis module 12, visible light auxiliary camera 13; Said infrared thermal imagery terminal 1 also can comprise a protective cover; Below protective cover, connect a The Cloud Terrace in addition again, be beneficial to the adjustment of monitoring range and the angle etc. at said infrared thermal imagery terminal.One end of said protective cover is provided with infrared window; Said infrared thermal imaging module, temperature analysis module, visible light auxiliary camera all are located at the inside of said protective cover; Also be provided with rain brush on the said infrared window; Also be provided with heating arrangement and air cooling equipment in the said protective cover, to be suitable for test environment complicated and changeable.Said The Cloud Terrace can adopt the high precision The Cloud Terrace.
Said infrared thermal imagery monitor client 3 also connects far-end server 5 through Ethernet; Data are sent to far-end server 5; Aspect software, this far-end server 5 has backstage analysis management module, can the data that receive be carried out further analysis management.Equally; Said infrared thermal imagery monitor client 3 can have abundant analysis tool; As possess the function of point analysis, regional analysis, polygonal region analysis, isothermal analysis, line analysis, trend analysis, and the analysis result form that generates automatically, like the form of EXCEL or WORD form.Said infrared thermal imagery monitor client 3 can be born by the PC that monitoring of software is installed.
The Infrared Video Signal of the infrared thermal imaging module 11 at said infrared thermal imagery terminal 1 and the visible light vision signal of said visible light auxiliary camera 13 are sent on the same screen of said infrared thermal imagery monitor client 3 and show; Display mode comprises that total visible light display mode, complete infrared display mode, infrared visible light merge at least a in the display mode, so can conveniently monitor personnel's monitoring.
Said warning device 4 can be an audible-visual annunciator as required.
As shown in Figure 2 again, when utilizing the system of the utility model that petrochemical equipment is monitored, can carry out (wherein step 50 and 60 orders in no particular order) by following step:
Show infrared video information and temperature information behind video information that step 40, infrared thermal imagery monitor client 3 receive and the temperature data in real time; Automatically analyze simultaneously; Judge whether to meet this and can select accident potential's temperature changing regularity of key equipment or not exceed the range of temperature that this can select the permission of key equipment, and alarm according to the alert if notice warning device of setting 4.Said automatic analysis comprises point analysis, regional analysis, polygonal region analysis, isothermal analysis, line analysis, surface analysis, trend analysis, and the analysis result form that generates automatically.
By on can know, by on can know that the utility model system utilizes ir can select before the key equipment accident takes place; Monitor its temperature variation, and judge whether it is undertaken by specific rule, thereby before accident takes place, alarm; Can fire failure be nipped in the bud; And take effective preventive measure that great data support is provided to follow-up, in addition, the present invention also can realize contactless hot spot scanning; With internal temperature effectively monitoring and prediction in real time, and in time alarm the petrochemical equipment key position.Itself and technological before important difference are that technology before is monitoring and the warning of carrying out after fire generation or combustible leak, and the present invention occurs detecting before and reporting to the police in these problems, and accident is obliterated in rudiment.
Though more than described the embodiment of the utility model; But the technician who is familiar with the present technique field is to be understood that; We described concrete embodiment is illustrative; Rather than being used for qualification to the scope of the utility model, those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to the spirit of the utility model, all should be encompassed in the scope that the claim of the utility model protects.
Claims (6)
1. the infrared thermal imaging online monitoring system of the key equipment selected of a petrochemical industry; It is characterized in that: comprise a plurality of infrared thermal imageries terminal, a plurality of signal transmission module, an infrared thermal imagery monitor client, a warning device; Said a plurality of infrared thermal imageries terminal is arranged on the said key position periphery of selecting key equipment; Each infrared thermal imagery terminal all is connected to said infrared thermal imagery monitor client through a signal transmission module, and said infrared thermal imagery monitor client connects said warning device again.
2. the infrared thermal imaging online monitoring system of the key equipment selected of petrochemical industry according to claim 1; It is characterized in that: said infrared thermal imagery terminal further comprises an infrared thermal imaging module and temperature analysis module, and said infrared thermal imaging module and temperature analysis module all are connected to said signal transmission module.
3. the infrared thermal imaging online monitoring system of the key equipment selected of petrochemical industry according to claim 2; It is characterized in that: said infrared thermal imagery terminal also comprises a visible light auxiliary camera, and this visible light auxiliary camera is connected to said signal transmission module.
4. the infrared thermal imaging online monitoring system of the key equipment selected of petrochemical industry according to claim 3; It is characterized in that: the visible light vision signal of said infrared thermal imaging module and the Infrared Video Signal of said visible light auxiliary camera are sent on the same screen of said infrared thermal imagery monitor client and show, display mode comprises that total visible light display mode, complete infrared display mode, infrared visible light merge at least a in the display mode.
5. the infrared thermal imaging online monitoring system of the key equipment selected of petrochemical industry according to claim 3; It is characterized in that: said infrared thermal imagery terminal also comprises a protective cover and the The Cloud Terrace that is connected the protective cover below; One end of said protective cover is provided with infrared window; Said infrared thermal imaging module, temperature analysis module, visible light auxiliary camera all are located at the inside of said protective cover; Also be provided with rain brush on the said infrared window, also be provided with heating arrangement and air cooling equipment in the said protective cover.
6. according to the infrared thermal imaging online monitoring system of the key equipment selected of each described petrochemical industry of claim 1 to 5; It is characterized in that: said infrared thermal imagery monitor client also connects far-end server through Ethernet, and this far-end server has backstage analysis management module.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102542722A (en) * | 2012-01-05 | 2012-07-04 | 福建国化热像监控设备有限公司 | Infrared thermal imaging online monitoring method and system of petrochemical selective key equipment |
| CN103413395A (en) * | 2013-08-15 | 2013-11-27 | 北京声迅电子股份有限公司 | Intelligent smoke detecting and early warning method and device |
| CN104280126A (en) * | 2014-09-18 | 2015-01-14 | 中国民航大学 | Airplane APU working condition monitoring system for airport |
| CN104990088A (en) * | 2015-06-18 | 2015-10-21 | 惠州东江威立雅环境服务有限公司 | Security monitoring and emergency processing system and method for burning material pit |
| CN107204093A (en) * | 2017-05-22 | 2017-09-26 | 上海热像机电科技股份有限公司 | A kind of method and system for determining triggering alert position |
| CN109668168A (en) * | 2017-10-17 | 2019-04-23 | 中国石油化工股份有限公司 | The method for early warning that heating furnace tube is hardening cracked |
| CN110465032A (en) * | 2019-07-18 | 2019-11-19 | 湛江港石化码头有限责任公司 | A kind of PLC control method of harbour fire monitor remote control device |
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- 2012-01-05 CN CN2012200027674U patent/CN202434013U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542722A (en) * | 2012-01-05 | 2012-07-04 | 福建国化热像监控设备有限公司 | Infrared thermal imaging online monitoring method and system of petrochemical selective key equipment |
| CN103413395A (en) * | 2013-08-15 | 2013-11-27 | 北京声迅电子股份有限公司 | Intelligent smoke detecting and early warning method and device |
| CN103413395B (en) * | 2013-08-15 | 2016-04-13 | 北京声迅电子股份有限公司 | Flue gas intelligent detecting prewarning method and device |
| CN104280126A (en) * | 2014-09-18 | 2015-01-14 | 中国民航大学 | Airplane APU working condition monitoring system for airport |
| CN104990088A (en) * | 2015-06-18 | 2015-10-21 | 惠州东江威立雅环境服务有限公司 | Security monitoring and emergency processing system and method for burning material pit |
| CN107204093A (en) * | 2017-05-22 | 2017-09-26 | 上海热像机电科技股份有限公司 | A kind of method and system for determining triggering alert position |
| CN109668168A (en) * | 2017-10-17 | 2019-04-23 | 中国石油化工股份有限公司 | The method for early warning that heating furnace tube is hardening cracked |
| CN110465032A (en) * | 2019-07-18 | 2019-11-19 | 湛江港石化码头有限责任公司 | A kind of PLC control method of harbour fire monitor remote control device |
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Granted publication date: 20120912 Termination date: 20180105 |