CN-121979126-A - Steam turbine production-operation management system and method based on industrial Internet

CN121979126ACN 121979126 ACN121979126 ACN 121979126ACN-121979126-A

Abstract

The invention relates to the technical field of steam turbine operation and maintenance, and particularly discloses a steam turbine production-operation and maintenance management system and method based on the industrial Internet. The system is constructed based on an industrial Internet platform, and is provided with a production line data acquisition and processing unit and an equipment operation data acquisition and processing unit which are deployed at the edge, a production simulation optimizing unit and an operation and maintenance optimizing unit which are connected with the edge and the cloud, and an operation and maintenance decision unit which is deployed at the cloud. Aiming at the specificity of the power plant to the operation and maintenance of the key parts of the steam turbine, the invention forms a management technology of the double-prediction dynamic optimization of the production-operation and maintenance window of the key parts of the steam turbine based on an industrial internet platform, and intelligently matches the operation and maintenance technical requirements of the power plant with the production capacity of a processing plant, thereby being beneficial to improving the productivity utilization rate, ensuring the continuous operation of power generation equipment and improving the power generation efficiency.

Inventors

ZHANG HENGWEI
LI YANG

Assignees

东方电气集团数字科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251218

Claims (10)

1. A steam turbine production-operation management system based on industrial Internet is characterized in that: The management system is constructed based on an industrial Internet platform, and is provided with a production line data acquisition and processing unit and an equipment operation data acquisition and processing unit which are deployed at the edge, a production simulation optimizing unit and an operation and maintenance optimizing unit which are connected with the edge and the cloud, and an operation and maintenance decision unit which is deployed at the cloud; The production line data acquisition processing unit is used for acquiring the setting data of the production line operation of the steam turbine setting component, carrying out edge analysis pretreatment on the acquired operation data, and receiving a production processing instruction of an operation and maintenance decision; The production simulation optimizing unit constructs a discrete event simulation model according to the received production line operation data, predicts the blocking rate and the equipment load of future processing of the set component production line, performs data interaction with the operation and maintenance optimizing unit, and transmits an operation and maintenance decision-making scheduling processing scheme to the production line data acquisition and processing unit; The equipment operation data acquisition processing unit is used for acquiring the setting data of the operation of the power generation equipment setting component, carrying out edge analysis preprocessing on the acquired operation data, and receiving a state control instruction of an operation and maintenance decision; The operation and maintenance optimizing unit predicts the fault probability and the residual service life of the set component according to the received equipment operation data, performs data interaction with the production simulation optimizing unit, and transmits a state control scheme of operation and maintenance decision to the equipment operation data acquisition and processing unit; The operation and maintenance decision unit comprehensively obtains operation and maintenance urgency by combining the prediction result formed by the operation and maintenance optimization unit and the prediction result formed by the production simulation optimization unit aiming at a setting part of the steam turbine and the resource scheduling cost, gives out operation and maintenance suggestion information and feeds back the operation and maintenance suggestion information to the operation and maintenance optimization unit and the production simulation optimization unit.
2. The industrial internet-based turbine production-operation management system of claim 1, wherein: The production line data acquisition processing unit is constructed based on an industrial Internet edge Internet of things platform and is provided with data acquisition equipment and a processing equipment controller; The data acquisition equipment comprises a sensor and a camera, is arranged at a position, corresponding to the processing equipment, of the production line of the steam turbine setting part and is used for acquiring the operation data of the target equipment; the processing equipment controller is used for receiving a control instruction to control corresponding actions of target equipment; The edge internet of things platform of the production line data acquisition processing unit is used for acquiring detection data of each data acquisition device, carrying out light pretreatment and desensitization treatment on the acquired detection data, uploading the pretreated data to the production simulation optimizing unit, receiving a production and processing instruction issued by the production simulation optimizing unit, and issuing the production and processing instruction to the processing device controller correspondingly.
3. The industrial internet-based turbine production-operation management system of claim 1, wherein: the production simulation optimizing unit is constructed based on a simulation optimizing engine of an industrial Internet analysis platform and is provided with a processing production line simulation module and a manual verification module; the processing production line simulation module constructs a discrete event simulation model according to the received production line operation data, predicts and sets the blocking rate and the equipment load of the future processing of the component production line through the simulation model, and uploads the prediction result to the operation and maintenance decision unit; The manual verification module is used for receiving the operation and maintenance suggestion information issued by the operation and maintenance decision unit, and the received operation and maintenance suggestion information is verified and rechecked manually, and the rechecked operation and maintenance suggestion forms a scheduling processing scheme which can be executed by the production line data acquisition and processing unit and is issued to the production line data acquisition and processing unit.
4. The industrial internet-based turbine production-operation management system of claim 1, wherein: the equipment operation data acquisition processing unit is constructed based on an industrial Internet edge Internet of things platform and is provided with data acquisition equipment and a power generation equipment controller; The data acquisition equipment comprises a sensor and a camera, is arranged at a target component of the power generation equipment and is used for acquiring operation data of the target component; the power generation equipment controller is used for receiving a control instruction to control corresponding operation actions of the target component; The edge internet of things platform of the equipment operation data acquisition and processing unit is used for acquiring detection data of each data acquisition device, performing light preprocessing and desensitization processing on the acquired detection data, uploading the preprocessed data to the operation and maintenance optimization unit, and receiving a state control instruction issued by the operation and maintenance optimization unit and issuing the state control instruction to the power generation equipment controller correspondingly.
5. The industrial internet-based turbine production-operation management system of claim 1, wherein: the operation and maintenance optimization unit is constructed based on an operation and maintenance optimization engine of an industrial Internet analysis platform and is provided with a random forest algorithm module and a manual verification module; the random forest algorithm module predicts the fault probability and the residual life of the target component according to the received equipment operation data, and uploads the prediction result to the operation and maintenance decision unit; The manual verification module is used for receiving the operation and maintenance suggestion information issued by the operation and maintenance decision unit, the received operation and maintenance suggestion information is verified and rechecked manually, and the rechecked operation and maintenance suggestion forms a state control scheme which can be executed by the equipment operation data acquisition and processing unit and issued to the equipment operation data acquisition and processing unit.
6. The industrial internet-based turbine production-operation management system of claim 1, wherein: The operation and maintenance decision unit is constructed based on the cloud of the industrial Internet and is provided with an operation and maintenance decision module; And the operation and maintenance decision module comprehensively obtains operation and maintenance urgency according to a target component fault and/or service life prediction result given by the operation and maintenance optimization unit and a production line blocking rate and/or processing equipment load prediction result given by the production simulation optimization unit for producing the target component, and combines the resource scheduling cost, gives operation and maintenance suggestion information through a valley matching algorithm, and feeds the given operation and maintenance suggestion information back to the operation and maintenance optimization unit and the production simulation optimization unit.
7. The industrial internet-based turbine production-operation management system of claim 1 or 6, wherein: the operation and maintenance decision unit is also provided with a digital twin body module; The digital twin body module forms a digital twin body for auxiliary production according to the obtained original data, the equipment operation data given by the operation and maintenance optimizing unit and the production simulation optimizing unit and the operation and maintenance suggestion information given by the operation and maintenance decision module.
8. The industrial internet-based turbine production-operation management system of claim 1, wherein: the turbine setting components include, but are not limited to, rotors, bearings.
9. The industrial internet-based turbine production-operation management system of claim 1, wherein: The production line of the turbine setting component is a flexible production line; The power generation equipment is arranged in the intelligent power plant and is in an intelligent operation mode.
10. A steam turbine production-operation management method based on industrial Internet is characterized in that: The management method is based on the management system of any one of claims 1 to 9; The management method is to take a selected monitored component in the power generation equipment as an object, and execute the following processes: s1, corresponding operation data of a setting part are dynamically collected through an operation data collecting and processing unit, and the failure probability and the residual life of the setting part are predicted through analysis processing of the collected data; S2, dynamically acquiring production line operation data of the set component through a production line data acquisition and processing unit, and predicting future processing blocking rate and equipment load of the production line of the set component through analysis processing of the acquired data; S2, comprehensively analyzing the prediction result obtained in the step S1 and the prediction result obtained in the step S2 in combination with the resource scheduling cost to form an operation and maintenance suggestion based on the operation and maintenance urgency; s4, based on operation and maintenance suggestions, checking, field investigation and rechecking are performed by combining manually, and finally, the method is formed: -a state control scheme for which the power generation equipment needs to be currently controlled; -the production line requires a currently performed production scheduling scheme; s5, the state control scheme is issued to the power generation equipment, so that the power generation equipment executes the current operation scheme to wait for a new setting component; the production and processing scheme is issued to a production line of the turbine setting parts, so that the production line processes new setting parts according to the current supply requirements; matching the manufacturing load with the operation and maintenance requirements is realized; s6, replacing and maintaining the power generation equipment by using the new set parts processed by the production line.

Description

Steam turbine production-operation management system and method based on industrial Internet Technical Field The invention relates to the technical field of steam turbine operation and maintenance, in particular to a steam turbine production-operation and maintenance management system and method based on the industrial Internet. Background The steam turbine is an important component of power generation equipment, and is required to be in long-term service in a power plant, and various faults and service life consumption of each component of the steam turbine are technical necessity in the long-term service process, so that how to timely and reliably maintain the fault components is a key for guaranteeing the long-term operation of the steam turbine of the power plant and the long-term operation of the whole power generation equipment. For a long time, maintenance of each component of a turbine in service is carried out by connecting production of a processing plant and purchasing a new corresponding component after a fault is found in the operation process so as to realize replacement maintenance, and the maintenance mode is usually realized in the waiting process of fault shutdown. Obviously, the traditional maintenance mode has hysteresis, so that the productivity utilization rate is low, the power generation efficiency is difficult to improve, and the technical guarantee cannot be formed for the continuous operation of power generation equipment. In recent years, with the deep technology of intelligent manufacturing equipment, various low-manual-intervention automated intelligent factories are greatly developed, including flexible production line construction of the processing factories for manufacturing various key parts of a steam turbine, intelligent operation construction of the power generation equipment by a power plant and the like. However, even so, in the current technology, the operation and maintenance of the turbine of the power plant is still performed in a conventional manner, and the operation and maintenance requirements of the power plant cannot be intelligently matched with the production of the turbine processing plant. Disclosure of Invention Aiming at the special operation and maintenance of the key parts of the steam turbine of the power plant and the defects of the prior art, the technical aim of the invention is to provide a steam turbine production-operation and maintenance management system which is based on the industrial Internet platform and can intelligently match the operation and maintenance requirements of the power plant with the production of the processing plant based on the construction of the flexible production line of the steam turbine and the intelligent operation of the power plant and the popularization and popularization of the current industrial Internet platform, and a management method based on the management system. The technical aim of the invention is achieved by the following technical scheme, namely a steam turbine production-operation and maintenance management system based on the industrial Internet, wherein the management system is constructed based on an industrial Internet platform, and is provided with a production line data acquisition and processing unit and an equipment operation data acquisition and processing unit which are deployed at the edge, a production simulation optimizing unit, an operation and maintenance optimizing unit and an operation and maintenance decision unit which are deployed at the cloud; The production line data acquisition processing unit is used for acquiring the setting data of the production line operation of the steam turbine setting component, carrying out edge analysis pretreatment on the acquired operation data, and receiving a production processing instruction of an operation and maintenance decision; The production simulation optimizing unit constructs a discrete event simulation model according to the received production line operation data, predicts the blocking rate and the equipment load of future processing of the set component production line, performs data interaction with the operation and maintenance optimizing unit, and transmits an operation and maintenance decision-making scheduling processing scheme to the production line data acquisition and processing unit; The equipment operation data acquisition processing unit is used for acquiring the setting data of the operation of the power generation equipment setting component, carrying out edge analysis preprocessing on the acquired operation data, and receiving a state control instruction of an operation and maintenance decision; The operation and maintenance optimizing unit predicts the fault probability and the residual service life of the set component according to the received equipment operation data, performs data interaction with the production simulation optimizing unit, and transmits a state control scheme of operation and maintenance decision