CN109389263A - Refinery device cycle of operation appraisal procedure based on risk - Google Patents
Refinery device cycle of operation appraisal procedure based on risk Download PDFInfo
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Abstract
The refinery device cycle of operation appraisal procedure based on risk that the present invention relates to a kind of solves the problems, such as existing in the prior art can not systematically evaluate high risk device and equipment.The present invention is by using a kind of refinery device cycle of operation appraisal procedure based on risk, first, appliance integrality scoring is carried out to device, secondly, risk quantification assessment is carried out to equipment, finally, quantify rating scale according to refining device risk management, determine Petrochemical Enterprises original equipment level of risk management, organizes expert team determines the O&M strategy of high risk equipment, enterprise's rectification, after implementation, hoc apparatus level of risk management is evaluated again, it is graded according to original equipment level of risk management and evaluation result again, determine that the technical solution of enterprise's reasonable cycle of operation preferably solves the above problem, it can be used in the assessment of the refinery device cycle of operation.
Description
Technical field
The present invention relates to refinery device long-term operation assessment technology fields to be specifically related to a kind of pair of Petrochemical Enterprises
Equipment Risk management level carries out quantitative evaluation, and the technical side of reasonable time between overhauls(TBO) and O&M strategy are proposed according to assessment result
Method.Including carrying out appliance integrality scoring to device, carrying out risk quantification assessment to equipment, and according to refining device risk management
Quantify rating scale, determine the O&M strategy of Petrochemical Enterprises equipment Risk management level, high risk equipment, and then determines that enterprise closes
The cycle of operation of reason.It is to guarantee the macrocyclic effective assessment technology of refinery equipment safety.
Background technique
With the development of economic society and the raising of civilization degree, China's Petrochemical Enterprises are faced with increasingly severeer peace
Entirely, Environmental Protection Situation and pressure.On December 1st, 2014, modified " People's Republic of China's safe production act " are carried out；2015
January 1, modified the Law on Environmental Protection of the People's Republic of China carry out.Above two laws are referred to as " most tight in history "
Relevant legislation.This has fully demonstrated the people to safe and environment-friendly strong demand, meets the sustainable development of socio-economy
It needs.Some Enterprises practice have shown that, the safe and environment-friendly work of Petrochemical Enterprises have become Business survival basis and development
Premise is the cardinal task of enterprise.The reliability service of equipment is that enterprise carries out safe and environment-friendly and work in every basis.
In recent years, the long-term operation level of refinery device is continuously improved, and part oil refining apparatus reaches four Nian Yixiu, ethylene
Device all realizes " four Nian Yixiu ", and Aromatic Hydrocarbon United Plant all realizes " three Nian Yixiu ".The long period of refinery device is transported
The advantageous one side of row by the utilization rate for improving equipment, reduces general overhaul expense, significantly improves the economic benefit of enterprise；Another party
Face will reduce the reliability of equipment, improve the operation risk of refinery device.Currently, the determination of China's refinery device cycle of operation
It is substantially based on the judgement of experience.Therefore, quantitative evaluation is carried out to the equipment Risk management level of refinery device, and proposes to close
The time between overhauls(TBO) of reason and maintenance strategy realize the combination of equipment management safety and economy, meet the need of era development
It asks.
The prior art, which at least exists, does not carry out appliance integrality scoring thus can not be to the equipment management of device to device
Situation is evaluated；Quantitative evaluation carried out to the risk of device single devices, and the equipment logically wind after composition of relations
It is dangerous then lack effective quantitative evaluation；By the security risk generated to full factory, environmentally friendly risk, economic damage after not stopped transport according to device
Mistake, reputation influence, the degree of quality risk and the influence to material balance, the determining key for influencing full factory director's periodic duty fill
It sets；It does not determine and average, the minimum score and key equipment of each element of appliance integrality is assessed by appliance integrality
The full factory atmosphere danger summation that risk evaluating system obtains delimit the final principle of hierarchy of equipment Risk management level of enterprise；Do not look forward to
Industry equipment Risk manages the determining device cycle of operation；High risk equipment is not carried out according to business equipment risk management assessment result
The technical method of cycle of operation assessment is re-started after problem rectification.
Summary of the invention
High risk dress can not be systematically evaluated the technical problem to be solved by the present invention is to existing in the prior art
It sets and the problem of equipment, provides a kind of new refinery device cycle of operation appraisal procedure based on risk.This method being capable of system
Property, quantitatively evaluate high risk device and equipment, and high risk plant issue is rectified and improved to reduce system risk, so that science is closed
Reason ground determines the refinery device cycle of operation, and safely and reliably improves the refinery device cycle of operation.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of refinery device based on risk runs week
Phase appraisal procedure wants refinery device according to ten of appliance integrality management firstly, carrying out appliance integrality scoring to device
Element, which is formulated, checks table and standards of grading, forms full plant Integrity Management proficiency assessment system, and to Petrochemical Enterprises equipment pipe
The level of integrity of reason carries out inspection scoring according to inspection table, obtains appliance integrality average rate, appliance integrality list is wanted
The minimum scoring rate of element；Secondly, carrying out risk quantification assessment to equipment, according to Petrochemical Enterprises main-process stream, full factory's plant failure is established
Logic chart influences the security risk generated on full factory, environmentally friendly risk, economic loss, reputation after being stopped transport according to device, quality wind
Dangerous degree and the influence to material balance, determine the key device for influencing full factory director's periodic duty, to equipment in key device
Qualitative risk analysis is carried out, determines high risk equipment, and the value-at-risk and risk summation of high risk equipment is calculated；Finally,
Quantify rating scale according to refining device risk management, determines Petrochemical Enterprises original equipment level of risk management, organizes expert group
Team determines the O&M strategy of high risk equipment, and after enterprise's rectification, implementation, hoc apparatus level of risk management is evaluated again, according to
The grading of original equipment level of risk management and again evaluation result, determine enterprise's reasonable cycle of operation.
In above-mentioned technical proposal, it is preferable that ten elements are policy and strategy, target and plan, organization and responsibility,
Staff training and document control, risk management, quality assurance, inspection, test and preventative maintenance, defect management, change management,
Performance evaluation and corrective action, management review and sustained improvement.
In above-mentioned technical proposal, it is preferable that carry out qualitative risk analysis to equipment in key device, risk class reaches III
Grade or more equipment be positioned as high risk.
In above-mentioned technical proposal, it is preferable that tieed up to the equipment of key device according to failure effect and failure likelihood two
It spends and determines risk class, it is the above equipment of high risk that risk class, which is III grade and IV grade, it is determined as the key equipment of device, into
One step carries out quantitative risk analysis.
In above-mentioned technical proposal, it is preferable that most by appliance integrality assessment average, each element of appliance integrality
The full factory atmosphere danger summation that low score and key equipment risk evaluating system obtain delimit the equipment Risk management level of enterprise
Final grade.
In above-mentioned technical proposal, it is preferable that business equipment risk management quantization grading, must not lower than 3 grades (being free of 3 grades)
The period was operated above using 3 years；Business equipment risk management quantization grading reaches 3 grades or more (containing 3 grades), to appliance integrality
Assessment there are the problem of carry out rectification and take after corresponding O&M strategy high risk equipment that grading reaches 5 grades or more again
(containing 5 grades), using 4 year cycle of operation；Business equipment risk management quantization grading reaches 4 grades or more (containing 4 grades), to equipment
Integrity assessment there are the problem of carry out rectification and take after corresponding O&M strategy high risk equipment that grading reaches 6 grades again
, carry out 5 years long period pilots.
In above-mentioned technical proposal, it is preferable that according to experience, periodic maintenance result, this enterprise accident including assessment experts
The qualitative evaluation of record, other enterprise accidents record, determines failure likelihood.
In above-mentioned technical proposal, it is preferable that after obtaining the total risk value of full factory's key equipment, commented with full plant integrality
Bound term of the score together as equipment Risk management quantization rating system for estimating system, obtains equipment Risk management quantization grading
Rank primarily determines the time between overhauls(TBO) of device；According to risk ranking, to the higher key equipment of risk, organize related in industry
Expert, which formulates, examines maintenance, operation and maintenance strategy protocol and redundancy optimization strategy, enterprise implement is submitted, to appliance integrality management
There are the problem of, submit enterprise's rectification, after the completion of rectifying and improving, the deciding grade and level of equipment Risk quantitative evaluation re-started, and according to grading
As a result the final time between overhauls(TBO) is determined.
It is horizontal to assess to this assessment technology method system system-wide equipment Risk, and can be rectified and improved according to assessment result high
Risk equipment problem reduces system risk, to scientifically and rationally determine the refinery device cycle of operation, and safely and reliably improves
The refinery device cycle of operation, achieve preferable technical effect.
Detailed description of the invention
Device cycle of operation assessment technology route map of the Fig. 1 based on risk.
Fig. 2 determines key device logic chart.
Fig. 3 determines refinery turnaround of unit cycle logic figure.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of refinery device cycle of operation appraisal procedure based on risk, as shown in Figure 1-Figure 3, firstly, being carried out to device
Appliance integrality scoring.Refinery device is formulated according to ten elements of appliance integrality management and checks table and standards of grading, shape
Help plant Integrity Management proficiency assessment system, and to the level of integrity of Petrochemical Enterprises equipment management according to check table into
Row checks scoring, obtains appliance integrality average rate, the minimum scoring rate of appliance integrality list element.Secondly, to equipment into
The assessment of row risk quantification.According to Petrochemical Enterprises main-process stream, full factory's device (unit) fault logic figure is established, after stopping transport according to device
The security risk generated on full factory, environmentally friendly risk, economic loss, reputation are influenced, the degree of quality risk and to material balance
Influence, determine the key device (unit) for influencing full factory director's periodic duty.The interior equipment of key device (unit) is carried out qualitative
Risk analysis determines high risk equipment, and the value-at-risk and risk summation of high risk equipment is calculated.Finally, according to refinery
Equipment Risk management quantifies rating scale, determines Petrochemical Enterprises original equipment level of risk management, and organizes expert team determines high
The O&M strategy of risk equipment, after enterprise's rectification, implementation, hoc apparatus level of risk management is evaluated again.According to original equipment
Level of risk management grading and again evaluation result, determine enterprise's reasonable cycle of operation.
Step 1: full plant integrity assessment marking is carried out
It is formulated according to ten elements of appliance integrality management and checks table and standards of grading, form full plant integrality pipe
Manage proficiency assessment system.Appliance integrality factor of system is shown in Table 1.
The full plant level of integrity assessment system element of table 1
| Serial number | The contents of a project |
| 1 | Policy and strategy |
| 2 | Target and plan |
| 3 | Organization and responsibility, staff training and document control |
| 4 | Risk management |
| 5 | Quality assurance |
| 6 | Inspection, test and preventative maintenance |
| 7 | Defect management |
| 8 | Change management |
| 9 | Performance evaluation and corrective action |
| 10 | Management review and sustained improvement |
Step 2: key equipment risk assessment marking
This technology only focuses on influence of the key equipment to system risk, rejects non-critical devices.Key device in this project
(unit) refers to that device is stopped transport can generate the device of significant impact to full factory, and significant impact refers to consequence severity level in table 2
Reach D or more；Key equipment refers to the biggish equipment of risk, quantitatively says, refers to that risk class is III grade or more of equipment.
The relationship of key equipment and key device (unit) is: key equipment is centainly included in key device (unit), non-key dress
Setting the equipment in (unit) must be non-critical devices.
1. determining key device (unit)
According to Petrochemical Enterprises main-process stream, full factory's device (unit) fault logic figure is established, it will be to complete after being stopped transport according to device
Security risk, environmentally friendly risk, economic loss, reputation influence, the degree of quality risk and the influence to material balance that factory generates,
Determine the key device (unit) for influencing full factory director's periodic duty.Risk point only is carried out to the equipment in key device (unit)
Analysis.Such as Fig. 2.
In particular, it should be pointed out that key device (unit) is an objective reality, enterprise's matched with devices, a processing stream
Journey it has been determined that its key device be exactly it is certain, it is independent of man's will.
2. determining key equipment
Qualitative risk analysis is carried out to the interior equipment of key device (unit), risk class reaches III grade or more (containing III grade)
Equipment is positioned as high risk.Key equipment both depends on the objective factors such as design, buying, installation, manufacture, also depends on device
The subjective factors such as technique, equipment Management Level.Specific step is as follows:
(1) information is collected
● equipment boundary demarcation (is divided) by ISO14224 standard
● device data collects (equipment data, reliability data, mantenance data)
● establish the equipment failure mode library of the present apparatus
(2) failure is envisioned
Before carrying out risk analysis, event is carried out to its main component with reference to past experience and related maintenance and accident record
Barrier anticipation, comprising the following steps:
● the major function of analytical equipment
● fault type (phenomenon), reason and the influence of analytical equipment
● it determines the important failure that actual capabilities occur and is evaluated
(3) qualitative risk analysis
● it is fixed according to the experience of assessment experts, periodic maintenance result, this enterprise accident record, other enterprise accidents record etc.
Property evaluation, determine failure likelihood, i.e., 1~6 grade.As shown in table 2.
● failure consequence mainly considers personal injury, property loss (containing unplanned shutdown), environment influences, reputation influences etc.
Factor.As shown in table 3.
● risk class, risk etc. are determined according to two dimensions of failure effect and failure likelihood to the equipment of key device
Grade is the above equipment of high risk for III grade and IV grade, is determined as the key equipment of device and the key equipment of enterprise, into one
Step carries out quantitative risk analysis.
2 equipment Qualitative risk of table grading table
I, II, III, IV respectively represents I grade of risk, II grade of risk, III grade of risk, IV grade of risk in table.
3 equipment fault consequence severity level explanation of table
Note 1: " more than " it include this number, " following " does not include this number.
Note 2: " environmental sensitive area " enables No. 2 " construction project environment influence referring to People's Republic of China's Environmental Protection Department
Classification of assessment manages register " Article 3, environmental sensitive area, with referring to all types nature, the culture protection of constituted by law, and
The especially sensitive region of certain class pollution factor or the ecology influence factor to construction project, specifically includes that (one) conservation of nature
Area, scenic spot, Place of world cultural and natural heritage, drinking water source protection zone；(2) Basic Farmland Conservation Zones, substantially grass
Original, Forest Park, geological park, Important Wetland, wildwood, the natural areal concentration of rare and endangered species of wild animals and plants, important water
Natural spawning field and feeding ground, wintering ground and migration channel, natural fishing ground, the resources water shortage area, soil erosion of biology
Keypoint control area, sandy land close protection zone, closing and semiclosed sea area, eutrophic water；
Note 3: the calculating of dangerous substance versus environmental risk number is shown in that " China PetroChemical Corporation's water body environment risk is anti-
Control main points ".
Note 4: hazardous chemical is shown in " hazardous chemical register ".
It (three) is the region of major function, historical relic's protection with inhabitation, health care, culture and education, scientific research, administrative office etc.
Unit, the protecting field with special history, culture, science, national meaning.
3. key equipment quantitative risk analysis
(1) failure likelihood (Y) for calculating separate unit key equipment calculates
By equipment data, reliability data, mantenance data for being collected into etc., rule imports ProAIM-RAM as required
In software, by finding the failure pests occurrence rule of equipment to failure data analysis, given function can reached by calculating equipment
In the case of, the probability of fault-free, continuous operation certain time (such as 3 years or 4 years), this probability is exactly the reliability of the equipment
Re.The sum of the equipment failure possibility Y and reliability Re are equal to 1.For unified standard, the comparativity of data, this project pair are improved
The unified constraint of reliability precondition are as follows: given function is that equipment power output is not less than the 90% of rated capacity, and fault-free is continuous
Runing time is 3 years.
In fact, equipment failure possibility in addition to having outside the Pass with equipment reliability itself, is also pacified with the design of equipment, manufacture
The factors such as adjustment examination, operation, inspection and maintenance, management are related.Therefore, it is necessary to final equipment failure possibility need with it is above because
Son is modified.1. separate unit key equipment failure likelihood calculates as the following formula.
Y=(1-Re) ... is 1.
The equipment power output of Re-ProAIM-RAM software output is not less than the 90% of rated capacity, when fault-free continuous operation
Between 3 years equipment dependabilities
(2) failure consequence (C) for calculating separate unit key equipment calculates
2. the failure consequence of separate unit key equipment calculates as the following formula:
C=CF1+CF2 × CF3 ... is 2.
CF1-equipment damage, direct economic loss
CF2-unit time production suspension induced losses
CF3-equipment recovery needs the time
(3) separate unit key equipment value-at-risk (R) calculates
3. separate unit key equipment value-at-risk carries out as the following formula:
R=Y × C ... is 3.
R-value-at-risk
Y-failure likelihood (probability)
C-failure consequence
(4) full factory's high risk equipment Risk total value calculates
The risk of full factory's key equipment is summed up, full plant total risk value is obtained:
Full plant overall risk (R is total)=∑ failure likelihood (Y) × failure consequence (C) ... is 4.
Step 3: equipment Risk management quantization grading and time between overhauls(TBO) determine
Rating scale is divided into 6 grades from low to high.It is each by appliance integrality assessment average, appliance integrality
The full factory atmosphere danger summation that the minimum score and key equipment risk evaluating system of element obtain delimit the equipment Risk of enterprise
The final grade of management level.Business equipment risk management quantization grading must not be transported lower than 3 grades (being free of 3 grades) using 3 years or more
The row period；Business equipment risk management quantization grading reaches 3 grades or more (containing 3 grades), asks existing for appliance integrality assessment
Topic carries out rectification and takes after corresponding O&M strategy high risk equipment that grading reaches 5 grades or more (containing 5 grades) again, can be with
Using 4 year cycle of operation；Business equipment risk management quantization grading reaches 4 grades or more (containing 4 grades), assesses appliance integrality
There are the problem of carry out rectification and take after corresponding O&M strategy high risk equipment that grading reaches 6 grades again, Ke Yijin
5 years long period pilots of row.The full plant risk management quantization rating scale of Petrochemical Enterprises is shown in Table 4.Determine refinery turnaround of unit week
Phase logic chart is shown in Fig. 3.
4 equipment Risk management of table quantifies rating scale
After obtaining the total risk value of full factory's key equipment, score with full plant integrity assessment system is together as setting
The bound term of standby risk management quantization rating system obtains equipment Risk management quantization rating level according to table 4.By above-mentioned original
Then, the time between overhauls(TBO) of device is primarily determined.
According to risk ranking, to the higher key equipment of risk, associated specialist in industry is organized to formulate inspection maintenance, operation
Maintenance strategy scheme and redundancy optimization strategy submit enterprise implement.To appliance integrality management there are the problem of, submit enterprise it is whole
Change.After the completion of rectifying and improving, the deciding grade and level of equipment Risk quantitative evaluation is re-started, and final maintenance week is determined according to rating result
Phase.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate examples made by the present invention, and is not to this
The restriction of the embodiment of invention.It for those of ordinary skill in the art, on the basis of the above description can be with
It makes other variations or changes in different ways.Here all embodiments can not be exhaustive.It is all to belong to the present invention
Technical solution changes and variations that derived from still in the scope of protection of the present invention.
Claims (8)
1. a kind of refinery device cycle of operation appraisal procedure based on risk, firstly, appliance integrality scoring is carried out to device, it is right
Refinery device is formulated according to ten elements of appliance integrality management and checks table and standards of grading, and full plant integrality pipe is formed
Proficiency assessment system is managed, and inspection scoring is carried out according to inspection table to the level of integrity of Petrochemical Enterprises equipment management, is set
Standby integrality average rate, the minimum scoring rate of appliance integrality list element；Secondly, risk quantification assessment is carried out to equipment, according to
According to Petrochemical Enterprises main-process stream, establish full factory's plant failure logic chart, after being stopped transport according to device by the security risk that full factory is generated,
Environmentally friendly risk, economic loss, reputation influence, the degree of quality risk and the influence to material balance, the determining full factory director of influence are all
The key device of phase operation carries out qualitative risk analysis to equipment in key device, determines high risk equipment, and height is calculated
The value-at-risk and risk summation of risk equipment；Finally, quantifying rating scale according to refining device risk management, Petrochemical Enterprises are determined
Original equipment level of risk management, organizes expert team determines the O&M strategy of high risk equipment, after enterprise's rectification, implementation, group
Evaluating again for equipment Risk management level is knitted, is graded according to original equipment level of risk management and evaluation result again, determines enterprise
The reasonable cycle of operation.
2. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that ten elements
For policy and strategy, target and plan, organization and responsibility, staff training and document control, risk management, quality assurance,
Examine, test and preventative maintenance, defect management, change management, performance evaluation and corrective action, management review and continue
It improves.
3. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that filled to key
It sets interior equipment and carries out qualitative risk analysis, the equipment that risk class reaches III grade or more is positioned as high risk.
4. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that filled to key
The equipment set determines that risk class, risk class are III grade and IV grade and are according to two dimensions of failure effect and failure likelihood
The above equipment of high risk is determined as the key equipment of device, further progress quantitative risk analysis.
5. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that complete by equipment
Whole property assessment average, the minimum score of each element of appliance integrality and key equipment risk evaluating system obtain complete
Factory atmosphere danger summation delimit the final grade of equipment Risk management level of enterprise.
6. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that business equipment
Risk management quantization grading is lower than 3 grades, must not operate above the period using 3 years；Business equipment risk management quantization grading reaches
To 3 grades or more, to appliance integrality assessment there are the problem of carry out rectify and improve and corresponding O&M plan is taken to high risk equipment
Grading reached 5 grades or more again after slightly, using 4 year cycle of operation；Business equipment risk management quantization grading reaches 4 grades or more
, to appliance integrality assessment there are the problem of rectify and improve and commented after taking corresponding O&M strategy to high risk equipment again
Grade reaches 6 grades, carries out 5 years long period pilots.
7. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that according to including
The qualitative evaluation that the experience of assessment experts, periodic maintenance result, this enterprise accident record, other enterprise accidents record, determines and loses
Imitate possibility.
8. the refinery device cycle of operation appraisal procedure based on risk according to claim 1, it is characterised in that obtain full factory
After the total risk value of key equipment, commented with the score of full plant integrity assessment system together as equipment Risk management quantization
The bound term of grade system obtains equipment Risk management quantization rating level, primarily determines the time between overhauls(TBO) of device；It is arranged according to risk
Sequence organizes associated specialist in industry to formulate inspection maintenance, operation and maintenance strategy protocol and redundancy the higher key equipment of risk
Optimisation strategy, submit enterprise implement, to appliance integrality management there are the problem of, submit enterprise rectification, after the completion of rectifying and improving, weight
It is new to carry out the deciding grade and level of equipment Risk quantitative evaluation, and the final time between overhauls(TBO) is determined according to rating result.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910044A (en) * | 2019-12-04 | 2020-03-24 | 江苏智谋科技有限公司 | CMMI (China Mobile multimedia interface) model-based software research and development process improvement system and method |
| CN110928858A (en) * | 2019-11-19 | 2020-03-27 | 杭州培慕科技有限公司 | Equipment knowledge base construction method based on digitization and intelligent application |
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| CN109389263B (en) | 2022-09-06 |
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