CN-115146860-B - Nuclear power station spare part leading resource value prediction method, device, equipment and storage medium

CN115146860BCN 115146860 BCN115146860 BCN 115146860BCN-115146860-B

Abstract

The application relates to a method, a device, equipment and a storage medium for predicting a nuclear power station spare part leading resource value. The method comprises the steps of determining a planned spare part receiving resource value corresponding to a target time period according to a predicted maintenance schedule of a nuclear power station, determining a sudden spare part receiving resource value corresponding to the target time period according to a corresponding relation between a historical sudden receiving resource value and maintenance time of the nuclear power station, determining a unit planned spare part receiving resource value corresponding to the target time period according to a unit production scheme, determining a unit sudden spare part receiving resource value corresponding to the target time period according to a sudden spare part historical average receiving resource value of the nuclear power station, and obtaining the predicted spare part receiving resource value corresponding to the target time period according to the planned spare part receiving resource value, the sudden spare part receiving resource value, the unit planned spare part receiving resource value and the unit sudden spare part receiving resource value. By adopting the method, the accuracy of predicting the resource value of the monthly spare part of the nuclear power station can be improved.

Inventors

XIE HONGZHI
Han Yaquan
DENG XIAOLIN
LIANG QINGHUA
XIE CE
WANG HUIQIANG

Assignees

中广核核电运营有限公司
中国广核集团有限公司
中国广核电力股份有限公司

Dates

Publication Date: 20260505
Application Date: 20220713

Claims (10)

1. A method for predicting a nuclear power plant spare part pilot resource value, the method comprising: Identifying a maintenance scheme corresponding to a target time period from a predicted maintenance schedule of a nuclear power station, and determining a planned spare part leading resource value corresponding to the target time period according to the maintenance scheme; determining a sudden spare part receiving resource value corresponding to the target time period according to the corresponding relation between the historical sudden receiving resource value of the nuclear power station and the maintenance time length; Acquiring a unit production scheme of the nuclear power station, and determining a unit planning spare part leading resource value corresponding to the target time period according to the unit production scheme; Determining a unit sudden spare part receiving resource value corresponding to the target time period according to the sudden spare part historical annual receiving resource value of the nuclear power station; And acquiring a predicted spare part receiving resource value corresponding to the target time period according to the planned spare part receiving resource value, the sudden spare part receiving resource value, the unit planned spare part receiving resource value and the unit sudden spare part receiving resource value.
2. The method of claim 1, wherein the determining the planned spare part lead resource value corresponding to the target time period according to the repair plan comprises: Extracting maintenance items corresponding to the maintenance scheme from the maintenance scheme; Determining the number of spare parts required by a maintenance scheme corresponding to the target time period according to a standard resource package of the maintenance project, wherein the standard resource package comprises the number of spare parts required by the maintenance project and the type of the spare parts; And determining a planned leading resource value corresponding to the target time period according to the number of the spare parts and the unit resource value of the spare parts.
3. The method of claim 2, wherein the spare parts include a first spare part and a second spare part, and wherein determining the number of spare parts required for the repair plan corresponding to the target time period based on the standard resource package of the maintenance project includes: determining the number of first spare parts required by a maintenance scheme corresponding to the target time period according to the standard resource package; Determining the number of second spare parts required by a maintenance scheme corresponding to the target time period according to the standard resource package; And determining the sum of the first spare part number and the second spare part number as the spare part number required by the maintenance scheme corresponding to the target time period.
4. A method according to any one of claims 1-3, wherein the method further comprises: And linearly fitting the emergency maintenance spare part pilot resource value and the maintenance duration of the nuclear power station historical annual maintenance and ten-year maintenance to obtain the corresponding relation between the nuclear power station historical emergency spare part pilot resource value and the maintenance duration.
5. A method according to any one of claims 1-3, wherein the method further comprises: And acquiring the unit production scheme based on preventive maintenance outline files, periodic test supervision outline files and in-service inspection outline files of the nuclear power station.
6. A method according to any one of claims 1-3, wherein the determining a unit bursty spare part lead resource value corresponding to the target time period according to the bursty spare part historical annual lead resource value of the nuclear power plant comprises: Determining a sudden spare part receiving resource value of a unit corresponding to the year of the target time period according to a formula P=K (a n-1 *p n-1 +a n-2 *p n-2 +a n-3 *p n-3 ), wherein P is the unit sudden receiving spare part resource value corresponding to the year of the target time period, K is the number of units of the nuclear power plant, P n-1 is the unit annual sudden spare part annual average receiving resource value of a first time period of the nuclear power plant, P n-2 is the unit annual sudden spare part annual average receiving resource value of a second time period of the nuclear power plant, P n-3 is the unit annual sudden spare part annual average receiving resource value of a third time period of the nuclear power plant, a n-1 ,a n-2 ,a n-3 is a weight parameter, a n-1 +a n-2 +a n-3 ＝1,a n-1 ,a n-2 ,a n-3 is a positive number, the third time period is earlier than the second time period, the second time period is earlier than the first time period, and the first time period is earlier than the target time period; And determining the unit sudden spare part resource value corresponding to the target time period according to the sudden spare part resource value of the unit corresponding to the year of the target time period, the non-major maintenance duration duty ratio corresponding to the target time period and the major maintenance duration duty ratio corresponding to the target time period.
7. A nuclear power plant spare part reception resource value prediction apparatus, the apparatus comprising: The first determining module is used for identifying a maintenance scheme corresponding to a target time period from a predicted maintenance schedule of the nuclear power station and determining a planned spare part leading resource value corresponding to the target time period according to the maintenance scheme; the second determining module is used for determining the sudden spare part pilot resource value corresponding to the target time period according to the corresponding relation between the historical sudden pilot resource value of the nuclear power station and the maintenance duration; the third determining module is used for obtaining a unit production scheme of the nuclear power station, and determining a unit planning spare part leading resource value corresponding to the target time period according to the unit production scheme; A fourth determining module, configured to determine a unit sudden spare part receiving resource value corresponding to the target time period according to the sudden spare part historical annual receiving resource value of the nuclear power station; And the acquisition module is used for acquiring the predicted spare part receiving resource value corresponding to the target time period according to the planned spare part receiving resource value, the sudden spare part receiving resource value, the unit planned spare part receiving resource value and the unit sudden spare part receiving resource value.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 6 when the computer program is executed.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.

Description

Nuclear power station spare part leading resource value prediction method, device, equipment and storage medium Technical Field The application relates to the technical field of nuclear power plant spare parts, in particular to a method, a device, equipment and a storage medium for predicting a nuclear power plant spare part leading resource value. Background The spare parts of the nuclear power plant are important materials for safe operation of the nuclear power plant, so that the inventory of the spare parts needs to be reasonably controlled. By predicting the value of the pilot resource of the spare parts of the nuclear power station, the inventory of the spare parts of the nuclear power station can be managed in a refined mode. In the traditional technology, the annual spare part receiving resource value of the nuclear power station is roughly predicted mainly based on historical maintenance receiving data and annual daily maintenance receiving data. However, the conventional technology has the problem that the spare part lead resource value of the future month of the nuclear power station cannot be accurately predicted. Disclosure of Invention In view of the foregoing, it is desirable to provide a method, an apparatus, a device, and a storage medium for predicting a nuclear power plant spare part resource value, which can improve accuracy of predicting a nuclear power plant monthly spare part resource value. In a first aspect, the application provides a method for predicting a nuclear power station spare part pilot resource value. The method comprises the following steps: Identifying a maintenance scheme corresponding to a target time period from a predicted maintenance schedule of a nuclear power station, and determining a planned spare part leading resource value corresponding to the target time period according to the maintenance scheme; determining a sudden spare part receiving resource value corresponding to the target time period according to the corresponding relation between the historical sudden receiving resource value of the nuclear power station and the maintenance time length; Acquiring a unit production scheme of the nuclear power station, and determining a unit planning spare part leading resource value corresponding to the target time period according to the unit production scheme; Determining a unit sudden spare part receiving resource value corresponding to the target time period according to the sudden spare part historical annual receiving resource value of the nuclear power station; And acquiring a predicted spare part receiving resource value corresponding to the target time period according to the planned spare part receiving resource value, the sudden spare part receiving resource value, the unit planned spare part receiving resource value and the unit sudden spare part receiving resource value. In one embodiment, the determining, according to the maintenance scheme, the planned spare part leading resource value corresponding to the target time period includes: Extracting maintenance items corresponding to the maintenance scheme from the maintenance scheme; Determining the number of spare parts required by a maintenance scheme corresponding to the target time period according to a standard resource package of the maintenance project, wherein the standard resource package comprises the number of spare parts required by the maintenance project and the type of the spare parts; And determining a planned leading resource value corresponding to the target time period according to the number of the spare parts and the unit resource value of the spare parts. In one embodiment, the spare parts include a first spare part and a second spare part, and the determining, according to the standard resource package of the maintenance project, the number of spare parts required by the repair scheme corresponding to the target time period includes: determining the number of first spare parts required by a maintenance scheme corresponding to the target time period according to the standard resource package; Determining the number of second spare parts required by a maintenance scheme corresponding to the target time period according to the standard resource package; And determining the sum of the first spare part number and the second spare part number as the spare part number required by the maintenance scheme corresponding to the target time period. In one embodiment, the method further comprises: And linearly fitting the emergency maintenance spare part pilot resource value and the maintenance duration of the nuclear power station historical annual maintenance and ten-year maintenance to obtain the corresponding relation between the nuclear power station historical emergency spare part pilot resource value and the maintenance duration. In one embodiment, the method further comprises: And acquiring the unit production scheme based on preventive maintenance outline files, periodic test supervisio