CN107316444A - Chemicals production device actual time safety method for early warning - Google Patents
Chemicals production device actual time safety method for early warning Download PDFInfo
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
Abstract
The present invention relates to a kind of chemicals production device actual time safety method for early warning, the problem of subsystems fail messages such as existing chemicals process units technological parameter, equipment, interlocking, pressure relief device, torch, fire-fighting are scattered, major accident danger million can not in time be recognized, found and be handled mainly is solved.The present invention is by using a kind of chemicals production device actual time safety method for early warning, pass through data mining technology, concentrate mapping techniques, Early-warning Model, early warning classification rule, warning information treatment principle etc., cell arrangement systematic failure information is monitored in real time, grading forewarning system, and responsible person concerned is sent in time, realize that failure is found in time, problem is handled in time, cut-out in time feeds or stopped in emergency before major accident danger million, and event handler procedure is recorded, statistical analysis simultaneously preferably solves above mentioned problem as knowledge base for the technical scheme that similar incidents next time provide reference, available in chemicals production device actual time safety early warning.
Description
Technical field
The present invention relates to a kind of chemicals production device actual time safety method for early warning.
Background technology
The particularly serious industrial accident such as chemical leakage, fire explosion, such accident occur successively for recent domestic
Common ground be many levels (each aspect in the technological parameter of material, equipment, pressure relief device, interlocking, fire-fighting system
Referred to as independent protection layer) still handled while failure and undiscovered, or after finding by site operation personnel, competent technology people
Member fails timely intervention processing, causes the state of affairs to expand, causes serious consequence.Profound cause analysis is found：Domestic and international production pipe
Reason division of labor based on specialization clearly, such as process management, equipment control professional division clearly, and equipment control be divided into static equipment, move set
Multiple specialties such as standby, instrument, fire-fighting, administrative staff are mutually independent with management information system, and device information can not concentrate displaying,
Apparatus system failure can not be found in time, particularly can not be cut off charging in time before major accident danger million or be stopped in emergency,
Cause major accident.
As thermometer shows temperature rise in storage tank, torch can not be lighted, spray system does not reach spray in Bhopal accident
Drenching multiple independent protection layer failures such as height causes damage sequence extremely serious.So the quantity of protective layer failure occurs with accident
Possibility and consequence seriousness it is directly related, in time find protective layer fail and carry out grading forewarning system, handle, in necessary situation
It is lower to be stopped in emergency, cut off charging etc., it will to avoid the generation of major accident.
Domestic and international technology in this regard is mainly leading indicators dynamic prediction production operation risk level method, and (U.S. is special
Profit 20130063264A1) and production board performance real-time ameliorative way (China Patent No. 102749889A).Leading indicators
Method is by statistical analysis process safety near miss incidents, identification change or ascendant trend dynamic, to manage process safety risk.
It is to set up board " performance benchmark " to produce the real-time ameliorative way of board performance, and data and " performance base are detected by information system
It is accurate " contrasted, the problem of discovery state change and it is sent to team work and is handled.But both technologies can not be realized
The early warning of safe condition real-time graded, processing to the complicated chemical product device entirety of many variety classes equipment compositions.
The content of the invention
The technical problems to be solved by the invention are that existing chemicals process units technological parameter, equipment, interlocking, pressure are released
Put that the subsystems such as device, torch, fire-fighting fail message is scattered, major accident danger million can not by timely identification, find and locate
The problem of reason, there is provided a kind of new chemicals production device actual time safety method for early warning.This method has security preferably excellent
Point.
To solve the above problems, the technical solution adopted by the present invention is as follows：A kind of chemicals production device actual time safety is pre-
Alarm method, for petrochemical production device real-time early warning, excavate dispersed information, concentrate exhibiting device systematic failure situation,
Ensure in time to start before major accident occurs and stop in emergency；With each function and protecting layer failure mode of recognition unit device and consequence
Based on assessment, by data mining technology, mapping techniques, Early-warning Model, early warning is concentrated to be classified rule, warning information processing original
Then, cell arrangement protective layer system disabler information is subjected to monitoring, grading forewarning system in real time, related responsibility is delivered in time
People, reaches that the timely discovery of failure, problem are handled in time, cut-out in time feeds or stopped in emergency before major accident danger million, and event
Processing procedure is recorded, statistical analysis and provide reference as knowledge base for similar incidents next time, and final realize avoids weight
The target of especially big process safety accident, specifically includes following steps：
(1) production unit for being related to material is selected first, and the equipment and technique of protective layer identification of function production unit are gone forward side by side
Row is sorted out, for actual production unit, identification and sorts out protective layer it is understood that mentality of designing, by design drawing and actual device
Combine analysis；
(2) identification can reflect two or more association technic indexs of material compromising feature and carry out consequence and comment
Estimate, the consequence that technic index fails simultaneously is estimated according to sequence of matrices, early warning level is determined according to latent consequences seriousness
Not；
(3) the disabler pattern of this unit key equipment, pipeline and annex is recognized；
(4) in order to reduce low-risk early warning interference, carry out this unit main equipment and be superimposed consequence assessment with technological parameter failure,
Recognize key safety superposition equipment and technology parameter；
(5) pressure relief device, interlock instrument, surge tank and flare system, leakage monitoring equipment are recognized successively, disappeared
The disabler pattern of anti-system；
(6) identification above real time information source；
(7) the software information method of exploitation, searches for each protective layer fail message by data mining information technology, presses in real time
According to quantify Early-warning Model calculated, and carry out guard of computer layer failure it is integrated and mapping show；
(8) during plant running, software information method maps the protective layer status information that displaying is excavated, software in real time
Backstage carries out warning level quantum chemical method according to early warning quantitative model, and result of calculation is matched with early warning classification processing criterion,
Information system sends warning level, fail message and treatment principle according to matching result to related personnel, and software information method is same
When displaying history similar incidents alarm and processing record；
(9) after processing terminates under problem line, information approach person liable carries out issue handling process login, closes this time pre-
Alert, event handler procedure is stored in information system as knowledge base, carries out event category, business reasons statistical analysis, and be
Next event handling provides reference.
In above-mentioned technical proposal, it is preferable that described information method is capable of the function of each independent protection layer of automatic mining device
Fail message, carries out concentrated image displaying, and is calculated by quantifying assessment of risks method, and then accurate grading forewarning system, and
When send warning information and treatment principle automatically by internet, realize independent protect multiple to the device unit comprising hazardous material (fluids)
The automatic early-warning of sheath disabler degree, early warning event information is that business reasons statistical analysis and early warning processing are provided and known again
Know.
The present invention is a kind of chemicals production device real-time early warning system of Kernel-based methods safeguard protection shelf theory, by pre-
The function and protecting layer and critical failure factor consequence of first recognition unit device are assessed, and set up cell arrangement protective layer grading forewarning system collection
Middle mapping interface；Equipment state, Process operating parameters, safety guard state, work in real-time acquisition device running
The data such as skill lock file, collect same logic by the different sub-systems information progress mapping for being subordinate to same device unit and set
It is standby, by a kind of protective layer early warning failure quantitative model, classification report is carried out with reference to all process state informations of the logical device
Alert processing, warning message is prompted the user with integrated and visualized mode, and warning message passes to correlation according to grading forewarning system rule
Person liable.The record of alarm history data is carried out simultaneously, provides a user the inquiry and support of history event data information.To know
Based on other each function and protecting layer failure mode of production unit device and consequence are assessed, by data mining technology, mapping is concentrated
Technology, Early-warning Model, early warning classification rule, warning information treatment principle etc., cell arrangement systematic failure information are carried out real
When monitoring, grading forewarning system, and be sent to responsible person concerned in time, realize that failure is found in time, problem is handled in time, major accident
Cut-out charging in time or stopped in emergency before danger million, and event handler procedure is recorded, statistical analysis and under being as knowledge base
One time similar incidents provide reference, it is to avoid the target that particularly serious process safety accident occurs, and achieve preferable technique effect.
Brief description of the drawings
The basic theories model of Fig. 1 present invention, i.e. unit independent protection layer schematic diagram.
Schematic diagram is mapped in Fig. 2 protective layer state sets.
Fig. 3 Information System Frames.
Fig. 4 early warning quantitative model schematic diagrames.
In Fig. 4, anRepresent that technic index exceedes safety limit, bnRepresent equipment failure pattern, cnRepresent safe releasing device
Failure mode, dnRepresent interlock system failure mode, enRepresent the alarm of detection warning system or failure mode, fnRepresent that fire-fighting should
Anxious thrashing pattern.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
This method is applied to hydrocracking unit.It is a kind of technique in petrochemical industry to be hydrocracked, i.e. petroleum refining
During under higher pressure and temperature, hydrogen makes mink cell focus occur hydrogenation, cracking and isomerization reaction through catalyst action,
It is converted into the process of light oil (gasoline, kerosene, diesel oil or catalytic cracking, the raw material of cracking alkene processed).
The present invention passes through data mining based on each function and protecting layer failure mode of recognition unit device and consequence are assessed
Technology, concentration mapping techniques, Early-warning Model, early warning classification rule, warning information treatment principle etc., series of strata are protected by cell arrangement
Disabler information of uniting carries out monitoring, grading forewarning system in real time, and responsible person concerned is delivered in time, reaches that failure finds, asked in time
Cut-out in time is fed or stopped in emergency before the timely processing of topic, major accident danger million, and event handler procedure is recorded, statistical
Analyse and provide reference as knowledge base for similar incidents next time, it is final to realize the target for avoiding particularly serious process safety accident.
This method is used for petrochemical production device real-time early warning, with excavation dispersed information, concentrates exhibiting device system
Property failure conditions, ensure major accident occur before in time start stop in emergency the characteristics of.
The technical solution adopted by the present invention is as follows：
Step as shown in Figure 1：
1) material that is related to selected first (can both be made including poisonous harmful chemicals or comprising the release such as high steam, nitrogen
Into blast, impact public work material) production unit, the equipment of protective layer identification of function production unit as shown in Figure 1
And technique, and sorted out.Fig. 1, which gives relatively independent protective layer, to be included：Material self-characteristic (passes through technological parameter such as temperature
Degree, pressure, concentration etc. are characterized), the closed container (such as tower, reactor, compressor, pump) of material and pipeline, DCS, pressure releases
Put device, interlocking, monitoring alarm, surge tank and torch, fire-fighting and other emergency systems.For actual production unit, know
Not with classification protective layer it is understood that mentality of designing, combines analysis by design drawing and actual device；
2) identification can reflect two or more association technic indexs of material compromising feature and carry out consequence and comment
Estimate, the consequence that technic index fails simultaneously can be estimated according to sequence of matrices, early warning is determined according to latent consequences seriousness
Rank, is shown in Table 1.Acutely abnormal exothermic chemical is there occurs inside material as may reflect when the temperature and pressure of chemicals is all high
Reaction, then then have potential explosion danger, consequence is to be in extreme danger when temperature and pressure exceedes safety limit；
3) the disabler pattern of this unit key equipment, pipeline and annex is recognized.Table 2 illustrates fractionating column (DA603
Tower) disabler pattern, listed failure mode refer to equipment be directed to place unit disabler, such as equipment detection or bypass
Although when equipment do not damage, the function of design can not be undertaken in device unit, therefore can be regarded as in device unit failure；
| Technical step | Sequence number |
| Based on the identification of protection shelf theory with the dangerous unit of potential leakage, fire explosion, including associate device and safety device | 1 |
| Recognize this unit key process parameter, and interrelated influence key parameter, the crucial superposition process parameter of identification | 2 |
| Recognize the failure mode of this unit main equipment, pipeline and annex | 3 |
| Carry out this unit main equipment and consequence assessment, identification key safety superposition equipment and technology parameter are superimposed with technological parameter failure | 4 |
| Recognize this unit DCS instrument and flogic system failure mode | 5 |
| Recognize this cell pressure release device failure mode | 6 |
| Recognize this unit interlock system failure mode | 7 |
| Recognize this unit surge tank, flare system failure mode | 8 |
| Recognize this cell leakage detecting system failure mode | 9 |
| Recognize this unit fire-fighting system failure mode | 10 |
| Recognize above real time information source | 11 |
| Set up computer data and excavate passage | 12 |
| Set up computer data it is integrated and mapping displaying | 13 |
| Based on the sheaf theoretic early warning quantitative model of protection | 14 |
| Early warning classification is carried out according to early warning classification rule | 15 |
| Warning information is transmitted to responsible person concerned | 16 |
| Person liable enters issue handling under line | 17 |
| After being disposed under problem line, computer information system login is carried out, this early warning is closed. | 18 |
| Event information entry event storehouse, carries out statistical analysis and for inquiry, similar prompting. | 19 |
Table 1
Table 2
| Technic index | Technic index | Associate consequence | Reason | Risk factor |
| DA603 tower temperatures degree (height) | DA603 pressure towers (height) | Blast | It is in extreme danger | |
| DA603 towers liquid level (height) | Without synergistic effect | |||
| DA603 towers concentration (height) | Reaction is violent, blast | Highly dangerous |
4) in order to reduce low-risk early warning interference, carry out this unit main equipment and be superimposed consequence assessment with technological parameter failure,
Recognize key safety superposition equipment and technology parameter；
5) pressure relief device, interlock instrument, surge tank and flare system, leakage monitoring equipment are recognized successively, disappeared
The disabler pattern of anti-system etc., is shown in Table 3；
Table 3
6) identification above real time information source, such as technological parameter derives from DCS system, and equipment failure information source is believed in EM
Cease system module, Corrosion monitoring information module etc.；
7) the software information method of exploitation, searches for each protective layer fail message by data mining information technology, presses in real time
Calculated according to Early-warning Model is quantified, and carry out guard of computer layer and failed integrated and map displaying, integration exhibition such as Fig. 2 shows.
Software module is shown in Fig. 3.Software for Design key is set from the status information systems of the various kinds of equipment such as main equipment, safety attachment, key
Failure mode data is excavated in real time in standby real time execution monitoring system, DCS, leakage monitoring system (not entering into for for example every 10 minutes
Computerized information need to be logged in from the system), software pre-enters the superposition dangerous information and early warning computation model of setting；
8) during plant running, software information method maps the protective layer status information that displaying is excavated, software in real time
Backstage carries out warning level quantum chemical method according to the early warning quantitative model shown in Fig. 4, and result of calculation and the early warning of table 4 classification processing are accurate
Then matched, information system sends warning level, fail message and treatment principle according to matching result to related personnel.Software
Information approach shows alarm and the processing record of history similar incidents simultaneously；
Table 4
9) after processing terminates under problem line, information approach person liable carries out issue handling process login, closes this early warning.
Event handler procedure is stored in information system as knowledge base, carries out the statistical analyses such as event category, business reasons, and can be
Next event handling provides reference.
In the present invention, information approach is capable of the disabler information of each independent protection layer of automatic mining device, is concentrated
Image display, and calculated by quantifying assessment of risks method, and then accurate grading forewarning system, it is timely automated to be sent out by internet
Send warning information and treatment principle.It can realize to the multiple independent protection layer disabler journeys of the device unit comprising hazardous material (fluids)
The automatic early-warning of degree, early warning event information is that business reasons statistical analysis and early warning processing provide knowledge again.
Effective application of the invention can avoid the severe and great casualty of relevant industries from occurring.
Claims (2)
1. a kind of chemicals production device actual time safety method for early warning, for petrochemical production device real-time early warning, excavates and divides
Information is dissipated, exhibiting device systematic failure situation is concentrated, ensures in time to start before major accident occurs and stop in emergency；To recognize
Based on each function and protecting of cell arrangement layer failure mode and consequence are assessed, by data mining technology, concentrate mapping techniques, it is pre-
Alert model, early warning classification rule, warning information treatment principle, cell arrangement protective layer system disabler information are carried out real-time
Monitoring, grading forewarning system, are delivered to responsible person concerned in time, reach that failure is found in time, problem is handled in time, major accident danger million
It is preceding it is timely cut-out charging or stop in emergency, and event handler procedure is recorded, statistical analysis and as knowledge base be next time
Similar incidents provide reference, final to realize the target for avoiding particularly serious process safety accident, specifically include following steps：
(1) production unit for being related to material, the equipment and technique of protective layer identification of function production unit are selected first, and are returned
Class, for actual production unit, identification and classification protective layer are it is understood that mentality of designing, design drawing and actual device are combined
Get up to analyze；
(2) identification can reflect two or more association technic indexs of material compromising feature and carry out consequence assessment,
The consequence that technic index fails simultaneously is estimated according to sequence of matrices, warning level is determined according to latent consequences seriousness；
(3) the disabler pattern of this unit key equipment, pipeline and annex is recognized；
(4) in order to reduce low-risk early warning interference, carry out this unit main equipment and be superimposed consequence assessment, identification with technological parameter failure
Key safety is superimposed equipment and technology parameter；
(5) pressure relief device, interlock instrument, surge tank and flare system, leakage monitoring equipment, fire-fighting system are recognized successively
The disabler pattern of system；
(6) identification above real time information source；
(7) the software information method of exploitation, searches for each protective layer fail message, according to amount in real time by data mining information technology
Change Early-warning Model calculated, and carry out guard of computer layer failure it is integrated and mapping show；
(8) during plant running, software information method maps the protective layer status information that displaying is excavated, software backstage in real time
Warning level quantum chemical method is carried out according to early warning quantitative model, result of calculation is matched with early warning classification processing criterion, information
System sends warning level, fail message and treatment principle according to matching result to related personnel, and software information method is opened up simultaneously
Show alarm and the processing record of history similar incidents；
(9) after processing terminates under problem line, information approach person liable carries out issue handling process login, closes this early warning, thing
Part processing procedure is stored in information system as knowledge base, carries out event category, business reasons statistical analysis, and be next thing
Part processing provides reference.
2. chemicals production device actual time safety method for early warning according to claim 1, it is characterised in that described information method
It is capable of the disabler information of each independent protection layer of automatic mining device, carries out concentrated image displaying, and comment by quantifying danger
The method of estimating is calculated, and then accurate grading forewarning system, timely automated to send warning information and treatment principle by internet, is realized
To the automatic early-warning of the multiple independent protection layer disabler degree of the device unit comprising hazardous material (fluids), early warning event information is again
Business reasons statistical analysis and early warning processing provide knowledge.
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| CN110045695A (en) * | 2019-03-26 | 2019-07-23 | 石化盈科信息技术有限责任公司 | A kind of technological parameter on-line early warning method based on variance analysis |
| CN110134079A (en) * | 2019-03-26 | 2019-08-16 | 石化盈科信息技术有限责任公司 | A kind of technological parameter method for early warning and system based on slope analysis |
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| CN113723724A (en) * | 2020-05-25 | 2021-11-30 | 中国石油化工股份有限公司 | Method and system for evaluating safety and preventive performance indexes of production device process |
| CN113821991A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Tank area emergency disposal full-factor simulation system and modeling method thereof |
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| CN113723724A (en) * | 2020-05-25 | 2021-11-30 | 中国石油化工股份有限公司 | Method and system for evaluating safety and preventive performance indexes of production device process |
| CN113821991A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Tank area emergency disposal full-factor simulation system and modeling method thereof |
| CN113538866A (en) * | 2021-06-22 | 2021-10-22 | 北京首钢自动化信息技术有限公司 | Intelligent industrial operation room voice alarm method, device and storage medium |
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