CN107247815A - A kind of thermal power plant's host device Database Systems method for building up based on Life cycle cost - Google Patents
A kind of thermal power plant's host device Database Systems method for building up based on Life cycle cost Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012423 maintenance Methods 0.000 claims abstract description 41
- 238000013461 design Methods 0.000 claims abstract description 27
- 238000011156 evaluation Methods 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000011835 investigation Methods 0.000 claims description 11
- 238000011056 performance test Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 239000002802 bituminous coal Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims 1
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Abstract
A kind of thermal power plant's host device Database Systems method for building up based on Life cycle cost, it comprises the following steps：A. according to thermal power plant's host device procurement contract content, the subitem equipment list of boiler and steam turbine is formed；B. thermal power plant's actual maintenance and management characteristic are combined, according to Life cycle cost model, the Life cycle cost of host device is decomposed, the Life cycle cost of each equipment is disassembled, form the Life cycle bill of costs of key equipment；C. the basic design data of thermal power plant is investigated, the finding under the conditions of different designs is sorted out and converted, different types of thermal power plant's host device Life cycle Database Systems are set up；D. summary and analysis same type, the host device Database Systems of different manufacturers are passed through, form the basic input parameters of the host device Life cycle Cost Evaluation suitable for producer's this type, evaluation and analysis for producer's this type host device Life cycle cost.
Description
Technical field
The invention belongs to thermal power plant's asset management field, more particularly to generating equipment Life cycle cost (Life
Cycle Cost) thermal power plant's host device Database Systems method for building up.
Background technology
Electric power is the secondary energy sources of safe efficient cleaning, is the basis that contemporary mankind society depends on for existence.At present, China
It is that, using thermal power plant as main electric power supply mode, in particular with the development of technology, unit parameter has greatly with unit capacity
Amplitude is lifted.
Boiler, as the host device of thermal power plant, during operation maintenance, can spend a large amount of maintenance costs, mesh with steam turbine
Preceding electricity power enterprise still uses the mode based on scheduled overhaul, supplemented by regular maintenance, and Maintenance and Repair are carried out to boiler and steam turbine,
Measure and the means of Maintenance and Repair are not instructed scientifically；Meanwhile, electricity power enterprise use when purchasing the assessment of bids to host device more
Low tender price strategy, causes electricity power enterprise's later maintenance cost of overhaul with too high, huge cost pressure is caused to electricity power enterprise.Cause
This, a kind of Whole Life Appraisal system for thermal power plant's host device is very necessary.
At present, the external research and development to Whole Life Appraisal in power system is very active, is recruited in equipment
Mark in the assessment of bids, Whole Life Appraisal turns into the basic demand of user, i.e. user considers to purchase when purchasing commodity, not only
Take, and to think better of the size of expected usage charges and maintenance cost in whole life cycle.Therefore, thermal power plant's main frame is set up
Device databases system, becomes the basis of thermal power plant's host device Whole Life Appraisal analysis.
The content of the invention
It is an object of the invention to overcome the shortcomings of that prior art is present, for current thermal power plant's host device database
Scarcity, and the necessity that thermal power plant's host device Life cycle is analyzed, it is proposed that one kind combines domestic thermal power plant and runs dimension
Shield and management characteristic, thermal power plant's host device Database Systems method for building up based on Life cycle cost；It combines mesh
Preceding domestic thermal power plant actual management feature, sets up host device Whole Life Appraisal Database Systems, host device is given birth to entirely
Life Cycle Assessment is possibly realized.
The purpose of the present invention is completed by following technical solution, a kind of thermal power plant based on Life cycle cost
Host device Database Systems method for building up, it is mainly included the following steps that：
A. according to thermal power plant's host device procurement contract content, main frame range devices is defined, boiler and vapour is primarily referred to as
Machine equipment, forms the subitem equipment list of boiler and steam turbine；
B. thermal power plant's actual maintenance and management characteristic are combined, the complete of host device is decomposed according to Life cycle cost model
Life cycle cost, the Life cycle cost of each equipment is disassembled, and forms the Life cycle cost of key equipment
Inventory；
C. the basic design data of thermal power plant is investigated simultaneously, and the finding under the conditions of different designs is sorted out and rolled over
Calculate, set up different types of thermal power plant's host device Life cycle Database Systems；
D. by summarizing and analyzing the host device Database Systems of same type different manufacturers, formed and be applied to the producer
The basic input parameters of the host device Life cycle Cost Evaluation of this type, for producer's this type host device
The evaluation and analysis of Life cycle cost.
As preferred：Host device in the step a, mainly for boiler and steam turbine equipment, according to thermal power plant's main frame
Equipment purchase contract, the part that boiler plant scope can be defined as to defined in boiler procurement contract scope of supply (is free of
Denitration, elevator), by steam turbine equipment scope be defined as defined in steam turbine procurement contract scope of supply part (without condenser,
It is low to add)；According to subitem supply of material table in main frame procurement contract, the key equipment inventory of boiler and steam turbine is formed；Simultaneously according to main frame
Equipment manufacturer is sorted out.
As preferred：The Life cycle that each equipment is decomposed according to Life cycle cost model in the step b
Cost, will the cost of each equipment be divided into acquisition cost, operating cost, failure cost, Environmental costs, retired cost and residual value
The cost brought with interest expense and inflation；In combination with thermal power plant's actual maintenance and management characteristic, acquisition cost is direct
Quotation form of itemizing is derived from procurement contract；Operating cost is decomposed into regular maintenance and scheduled overhaul, and regular maintenance is divided into manually again
Take, fee of material and expenditure on power, scheduled overhaul is divided into that A is repaiied, B+ is repaiied, B is repaiied, C+ is repaiied, C is repaiied；Failure cost is by counting start-stop time
It is estimated, wherein start-stop time can be divided into very hot startup number of times, hot starting, hot start number of times, temperature according to the loss height to the life-span
The state number of starts, cold start number of times and accidental shutdown number of times；By the various costs to all of above equipment summarize with
Conclude, money inventory is received in the Life cycle cost investigation for forming unified host device.
As preferred：In the step c investigation thermal power plant basic design data include host parameter, design back-pressure,
Steam turbine is micro- to increase power curve, boiler guaranteed efficiency (contract value), steam turbine guaranteed heat consumption (contract value), boiler efficiency by inputoutput test (performance
Test value), steam turbine actual measurement heat consumption (performance test value), backheat series, design coal (" anthracite ", " bituminous coal ", " meager coal " or
" lignite ") (attached ature of coal data), ignition of the boiler mode, boiler whether with tape starting circulating pump, the condenser type of cooling, year operation
Hourage and annual utilization hours etc..By analyzing basic design data, by the close host device of same kind, parameter, folding
Calculate under unified boundary condition, carry out unified classification, set up different types of thermal power plant's host device Life cycle data
Storehouse system.
As preferred：The host device Database Systems of summary and analysis same type different manufacturers in the step d,
The basic input parameters of the host device Life cycle Cost Evaluation suitable for producer's this type are formed, refer to summarizing
After polytype, the various Life cycle costs of multiple producer's host devices, to same-type, with the master of a producer
In machine equipment bidding process, departmental cost can be according to existing database content, to this equipment every full Life Cycle as expected
Current cost is estimated and judged.
It is an advantage of the invention that：
1) present invention incorporates power plants actual management with safeguarding feature, by various types of Life cycle
Cost is summarized and concluded, and forms unified host device Life cycle cost investigation inventory；
2) present invention, which is proposed, is sorted out the finding under the conditions of different designs and is converted, by same type of master
Machine equipment conversion is arrived under unified boundary condition, sets up different types of thermal power plant's host device Life cycle data base set
System；
3) present invention proposes the host device Database Systems summarized and analyze same type different manufacturers, is formed and is applicable
In the basic input parameters of the host device Life cycle Cost Evaluation of producer's this type, Life cycle cost is improved
Evaluate accuracy and reliability.
Embodiment
The present invention is further described in detail with reference to subordinate list and embodiment.It is of the present invention a kind of based on complete raw
Thermal power plant's host device Database Systems method for building up of cycle methods is ordered, it is mainly included the following steps that：
A. according to thermal power plant's host device procurement contract content, main frame range devices is defined, boiler and vapour is primarily referred to as
Machine equipment, forms the subitem equipment list of boiler and steam turbine；
B. thermal power plant's actual maintenance and management characteristic are combined, the complete of host device is decomposed according to Life cycle cost model
Life cycle cost, the Life cycle cost of each equipment is disassembled, and forms the Life cycle cost of key equipment
Inventory；
C. the basic design data of thermal power plant is investigated simultaneously, and the finding under the conditions of different designs is sorted out and rolled over
Calculate, set up different types of thermal power plant's host device Life cycle Database Systems；
D. by summarizing and analyzing the host device Database Systems of same type different manufacturers, formed and be applied to the producer
The basic input parameters of the host device Life cycle Cost Evaluation of this type, for producer's this type host device
The evaluation and analysis of Life cycle cost.
Host device in the step a, mainly for boiler and steam turbine equipment, is closed according to thermal power plant's host device buying
Together, boiler plant scope can be defined as to the part (being free of denitration, elevator) of defined in boiler procurement contract scope of supply,
By steam turbine equipment scope be defined as defined in steam turbine procurement contract scope of supply part (without condenser, it is low plus)；According to
Subitem supply of material table, forms the key equipment inventory of boiler and steam turbine in main frame procurement contract；Simultaneously according to host device factory
Family is sorted out.
The Life cycle cost that each equipment is decomposed according to Life cycle cost model in the step b, will
The cost of each equipment is divided into acquisition cost, operating cost, failure cost, Environmental costs, retired cost and residual value and interest branch
Go out and cost that inflation is brought；In combination with thermal power plant's actual maintenance and management characteristic, acquisition cost is directly derived from buying
Itemized in contract quotation form；Operating cost is decomposed into regular maintenance and scheduled overhaul, and regular maintenance is divided into labour cost, fee of material again
With expenditure on power, scheduled overhaul is divided into that A is repaiied, B+ is repaiied, B is repaiied, C+ is repaiied, C is repaiied according to standard as shown in table 1；Failure cost passes through system
Meter start-stop time be estimated, wherein start-stop time according to the life-span loss height can be divided into very hot startup number of times, it is hot
The number of starts, warm starting number of times, cold start number of times and accidental shutdown number of times；Pass through the various costs to all of above equipment
Summarize and conclude, form host device Life cycle cost investigation as shown in table 2 and receive money inventory.
The basic design data of investigation thermal power plant in the step c includes host parameter, design back-pressure, the micro- increasing work(of steam turbine
Rate curve, boiler guaranteed efficiency (contract value), steam turbine guaranteed heat consumption (contract value), boiler efficiency by inputoutput test (performance test value), vapour
Machine actual measurement heat consumption (performance test value), backheat series, design coal (" anthracite ", " bituminous coal ", " meager coal " or " lignite ") (attached coal
Matter data), ignition of the boiler mode, boiler whether match somebody with somebody tape starting circulating pump, the condenser type of cooling, year hours of operation and annual interest
With hourage etc.；By analyzing basic design data, by the close host device of same kind, parameter, unified side is arrived in conversion
Under the conditions of boundary, unified classification is carried out, different types of thermal power plant's host device Life cycle Database Systems are set up；Table 3 goes out
The host device investigation inventory of the basic design data comprising thermal power plant is shown.
The host device Database Systems of summary and analysis same type different manufacturers in the step d, form and are applicable
In the basic input parameters of the host device Life cycle Cost Evaluation of producer's this type, refer to summarizing multiple types
After type, the various Life cycle costs of multiple producer's host devices, to same-type, the host device with a producer is recruited
During mark, departmental cost can be according to existing database content, and to this equipment, every Life cycle cost is entered as expected
Row is estimated and judged.
Money inventory is received in host device Life cycle cost investigation as shown in table 2, according to thermal power plant's actual management feature,
Extract the corresponding every cost of host device；Wherein, the labour cost of regular maintenance can be according to responsible host device regular maintenance
The annual emolument summation of personnel try to achieve；It is complete that the fee of material of regular maintenance can export the time from financial management system
The neck material in year is recorded, and the WBS descriptions in material requistion are therefrom isolated using neck material total cost on the host device, table
4 illustrate the derived part material requistion content from financial management system；The expenditure on power of regular maintenance can count main frame
The expense that (boiler, steam turbine) oil consumption that equipment is produced in maintenance process, power consumption, water consume are produced.
The A that scheduled overhaul can export whole year in the time from financial management system is repaiied, B+ is repaiied, B is repaiied, C+ is repaiied, C is repaiied
General expenses, then according to the relevant information such as item description or contract title, extracts the scheduled overhaul in the range of host device
Expense, table 5 illustrates the derived partial plan maintenance content from financial management system；For financial management system
Imperfection or time are recorded compared with Lao get thermal power plants, can be united according to power plant's papery neck material record with scheduled overhaul record
Meter；In addition, annual utilization hours, year hours of operation, annual station service power consumption rate, annual consumption of standard coal for power generation, actual fortune
Row coal, actual motion coal price can be exported or looked at Quan Chang administrative departments from financial management system
Take.
Money inventory, power plant's general introduction, hydrology gas are received in the host device investigation of the basic design data of thermal power plant as shown in table 3
As condition, design considerations, design feature, design coal ature of coal can extract related content, pot from thermal power plant's preliminary design specification
The micro- power curve that increases of stove guaranteed efficiency, steam turbine guaranteed heat consumption, life consumption value, steam turbine can be extracted from main frame procurement contract,
Boiler efficiency by inputoutput test and steam turbine actual measurement heat consumption can be extracted from the performance test report of boiler and steam turbine.
Table 1
The repair and maintenance cost investigation of * power plant is single
Table 2
Table 3
| Examination ＆ approval pass through the date | Applicant | No. WBS | WBS is described | The actual outbound amount of money |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 148,854.70 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 23,461.54 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 6,837.61 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion, which are administered, need to install equipment | 216,299.20 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 6,153.85 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 1,222.22 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 20,374.36 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 14,475.21 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 11,005.13 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 18,490.60 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 2,222.22 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 1,367.52 |
| 2012.10.26 | *** | L-522012001.3 | #3 boiler heating surfaces abrasionproof, anti-corrosion improvement-equipment need to be installed | 427.35 |
| 2012.09.24 | *** | L-522012002.2 | The big cover collapse refitting engineering of #3 boiler penthouses | 85,470.09 |
| 2012.09.24 | *** | L-522012002.2 | The big cover collapse refitting engineering of #3 boiler penthouses | 47,863.24 |
| …… | …… | …… | … | …… |
Table 4
| Project definition | Item description | Contract is encoded | Contract title | Project shares total price (containing tax) |
| X-522012003 | The C+ grades of maintenance of the year #4 units of * power plant 2012 | JH01-2012-0004 | The C grades of maintenance A bid sections of #4 machines in 2012 | 796,051.00 |
| X-522012003 | The C+ grades of maintenance of the year #4 units of * power plant 2012 | JH01-2012-0007 | 2012 years C grades of #4 units maintenance B bid sections | 802,750.00 |
| X-522012003 | The C+ grades of maintenance of the year #4 units of * power plant 2012 | JH01-2009-0010 | #2 boiler water walls header and the service of throttle Chemical cleaning | 146,223.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH01-2012-0008 | #1 stoves sky preheater high pressure water washing contract | 105,000.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH01-2012-0017 | The B grades of maintenance D bid sections of #1 machines in 2012 | 1,528,820.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH02-2012-0004 | #1 boiler fireworks tracer tests | 150,000.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH02-2012-0022 | #1 unit generations machine testing and experiment | 182,945.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH01-2012-0023 | #1 B of Unit level maintenance A marks | 5,216,151.00 |
| X-522012004 | The year #1 B of Unit of * power plant 2012+level maintenance | JH01-2012-0024 | #1 B of Unit level maintenance B marks | 4,351,360.00 |
| …… | …… | …… | …… | …… |
Table 5
Claims (5)
1. a kind of thermal power plant's host device Database Systems method for building up based on Life cycle cost, it is characterised in that described
Database Systems method for building up comprise the following steps：
A. according to thermal power plant's host device procurement contract content, main frame range devices are defined, boiler is primarily referred to as and is set with steam turbine
It is standby, form the subitem equipment list of boiler and steam turbine；
B. thermal power plant's actual maintenance and management characteristic are combined, according to Life cycle cost model, the full life of host device is decomposed
Life cycle costing is ordered, the Life cycle cost of each equipment is disassembled, the Life cycle cost for forming key equipment is clear
It is single；
C. the basic design data of thermal power plant is investigated simultaneously, and the finding under the conditions of different designs is sorted out and converted,
Set up different types of thermal power plant's host device Life cycle Database Systems；
D. by summarize and analyze same type, different manufacturers host device Database Systems, formed be applied to the producer this
The basic input parameters of the host device Life cycle Cost Evaluation of type are complete for producer's this type host device
The evaluation and analysis of life cycle cost.
2. the thermal power plant host device Database Systems foundation side according to claim 1 based on Life cycle cost
Method, it is characterised in that：
Host device in the step a, mainly for boiler and steam turbine equipment, according to thermal power plant's host device procurement contract,
Boiler plant scope can be defined as to the part (being free of denitration, elevator) of defined in boiler procurement contract scope of supply, will
Steam turbine equipment scope be defined as defined in steam turbine procurement contract scope of supply part (without condenser, it is low plus)；
According to subitem supply of material table in main frame procurement contract, the key equipment inventory of boiler and steam turbine is formed；Set simultaneously according to main frame
Standby manufacturer is sorted out.
3. the thermal power plant host device Database Systems foundation side according to claim 1 based on Life cycle cost
Method, it is characterised in that：
The Life cycle cost that each equipment is decomposed according to Life cycle cost model in the step b, will be each
The cost of equipment be divided into acquisition cost, operating cost, failure cost, Environmental costs, retired cost and residual value and interest expense and
The cost that inflation is brought；In combination with thermal power plant's actual maintenance and management characteristic, acquisition cost is directly derived from procurement contract
Middle subitem quotation form；Operating cost is decomposed into regular maintenance and scheduled overhaul, and regular maintenance is divided into labour cost, fee of material with moving again
Power is taken, and scheduled overhaul is divided into that A is repaiied, B+ is repaiied, B is repaiied, C+ is repaiied, C is repaiied；Failure cost is estimated by counting start-stop time, wherein
Start-stop time can be divided into very hot startup number of times according to the loss height to the life-span, hot starting, hot start number of times, warm starting number of times, cold
The state number of starts and accidental shutdown number of times；Summarize and conclude by the various costs to all of above equipment, form unified
Host device Life cycle cost investigation receive money inventory.
4. the thermal power plant host device Database Systems foundation side according to claim 1 based on Life cycle cost
Method, it is characterised in that：
It is bent that the basic design data of investigation thermal power plant in the step c includes the micro- increasing power of host parameter, design back-pressure, steam turbine
Line, boiler guaranteed efficiency (contract value), steam turbine guaranteed heat consumption (contract value), boiler efficiency by inputoutput test (performance test value), steam turbine are real
Calorimetric consumption (performance test value), backheat series, design coal (" anthracite ", " bituminous coal ", " meager coal " or " lignite ") (attached ature of coal money
Material), ignition of the boiler mode, boiler whether with tape starting circulating pump, the condenser type of cooling, year hours of operation and year using small
When number etc.；By analyzing basic design data, by the close host device of same kind, parameter, unified perimeter strip is arrived in conversion
Under part, unified classification is carried out, different types of thermal power plant's host device Life cycle Database Systems are set up.
5. the thermal power plant host device Database Systems foundation side according to claim 1 based on Life cycle cost
Method, it is characterised in that：
The host device Database Systems of summary and analysis same type different manufacturers in the step d, form and are applied to be somebody's turn to do
The basic input parameters of the host device Life cycle Cost Evaluation of producer's this type, refer to summarize polytype,
After the various Life cycle costs of multiple producer's host devices, to same-type, the host device with a producer calls for bid
During, departmental cost can be according to existing database content, and to this equipment, every Life cycle cost is carried out as expected
Estimate and judge.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112463768A (en) * | 2020-12-10 | 2021-03-09 | 浙江大学 | Method for establishing life cycle evaluation database |
| CN117850236A (en) * | 2024-01-09 | 2024-04-09 | 中电华创电力技术研究有限公司 | Thermal power unit operation decision-making method considering equipment health status |
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