Combined heat and power generation DCS combustion optimization control system

Abstract

The invention discloses a cogeneration DCS combustion optimization control system which is characterized by comprising a data acquisition system DAS, an analog quantity control system MCS, a sequence control system SCS, a combustion optimization control strategy module, a man-machine interface HMI and a network and safety module. The analog quantity control system MCS, the sequence control system SCS, the combustion optimization control strategy module and the man-machine interface HMI are all in communication connection with the data acquisition system DAS, and the whole heat and power cogeneration DCS combustion optimization control system carries out information exchange and instruction transmission through a high-speed network. The efficient operation and data safety of the cogeneration DCS combustion optimization control system are ensured, and the method has the advantages that intelligent, efficient and safe control over the combustion process is achieved, the operation efficiency and economic benefits of a cogeneration unit are improved, pollutant emission is effectively reduced, online regulation and control can be achieved, self-learning can be achieved through historical data, and the energy consumption of the cogeneration unit is reduced. And the technical characteristics of continuously updating the optimization model, improving the combustion efficiency of the unit, giving consideration to environment-friendly emission and the like are realized.

Description

Technical Field

[0001] The present invention relates to a control system, and more specifically, to a combined heat and power DCS combustion optimization control system, belonging to the field of power plants. Background Art

[0002] As an important part of the field of industrial automation, the DCS (Distributed Control System) combustion control system for cogeneration has been widely used and developed in the cogeneration industry in recent years. With the continuous improvement of the country's requirements for energy efficiency and environmental protection, cogeneration technology has received more and more attention for its high efficiency, energy saving and environmental protection. As the core control part of the cogeneration system, the stability and advancement of the DCS combustion control system directly affect the operating efficiency and safety of the entire cogeneration system.

[0003] According to the current development status of China's DCS industry market, with the continuous upgrading of the application market and the promotion of national policies and regulations, the market size of DCS products continues to expand. In particular, with the popularization of new energy technologies such as cogeneration, the market demand for DCS combustion control systems continues to grow. It is expected that in the next few years, the scale of China's DCS market will continue to maintain a steady growth trend. DCS combustion control system technology is constantly upgrading and developing in the direction of high-end, large-scale, joint control and subsequent maintenance.

[0004] At present, the DCS system has the functions of high-speed data communication, remote monitoring and fault diagnosis, and can meet the high-precision and high-reliability control requirements of the cogeneration system. In the DCS market, domestic brands such as SUPCON Technology and Hollysys are gradually emerging, and their market share is increasing. These companies have made significant progress in technology research and development, product quality and after-sales service, which has promoted the localization of DCS control systems.

[0005] Although the cogeneration DCS combustion control system industry is developing rapidly, it still faces some challenges and problems: there are often technical compatibility issues between DCS systems of different manufacturers, making it difficult to achieve network collaborative manufacturing throughout the entire plant, which increases the difficulty and cost of system integration and limits the application of DCS systems in complex industrial scenarios such as cogeneration. Therefore, the current cogeneration DCS combustion control system cannot effectively achieve excellent intelligent, efficient and safe control, and cannot further improve the operating efficiency and economic benefits of cogeneration units. Summary of the invention

[0006] In order to solve the above-mentioned problems of the prior art, the present invention provides a cogeneration DCS combustion optimization control system with technical characteristics of realizing intelligent, efficient and safe control of the combustion process, improving the operating efficiency and economic benefits of the cogeneration unit, and effectively reducing pollutant emissions.

[0007] In order to achieve the above object, the present invention is implemented by the following technical solutions:

[0008] A combined heat and power DCS combustion optimization control system, characterized in that it includes a data acquisition system DAS, an analog control system MCS, a sequential control system SCS, a combustion optimization control strategy module, a human-machine interface HMI, and a network and security module. The analog control system MCS, the sequential control system SCS, the combustion optimization control strategy module, and the human-machine interface HMI are all communicatively connected with the data acquisition system DAS. The entire system of the combined heat and power DCS combustion optimization control system exchanges information and transmits instructions through a high-speed network to ensure efficient operation and data security of the combined heat and power DCS combustion optimization control system.

[0009] Preferably, the data acquisition system DAS is responsible for real-time collection of various sensor data in the cogeneration system; the analog control system MCS is used to accurately control the analog parameters of temperature, pressure and flow in the combustion process; the sequential control system SCS is responsible for sequential control such as start, stop and switch of equipment to ensure stable operation of the entire system; the combustion optimization control strategy module realizes automatic optimization and adjustment of the combustion process based on real-time data and optimization algorithm; the human-machine interface HMI: provides an interface for operators to interact with the system to realize parameter setting and monitoring and alarm functions; the network and security module is used to build a stable and reliable network architecture to ensure data transmission security and system security.

[0010] Preferably, the data acquisition system DAS is the data base of the cogeneration DCS combustion optimization control system. The data acquisition system DAS collects all important measurement point signals and equipment status signals related to the operation of the cogeneration unit in real time. The system obtains real-time data during the operation of the unit through various sensors.

[0011] Preferably, the data acquisition system DAS also includes a display and alarm module, which includes a display screen and a buzzer. The display provides operation display and standard screen display. The display and buzzer can both give timely alarms when abnormal operating conditions occur in the unit.

[0012] Preferably, the data acquisition system DAS further includes a historical data storage and retrieval module, which records the historical operation data of the unit to support data retrieval and query to provide a basis for fault analysis and optimization.

[0013] Preferably, the analog quantity control system MCS is the core part of the combined heat and power DCS combustion optimization control system. The analog quantity control system MCS is responsible for the precise control of the analog quantity parameters during the combustion process. The analog quantity control system MCS realizes precise control of the combustion process by adjusting the fuel supply and combustion air quantity parameters of the burner according to the actual needs of the unit operation.

[0014] The analog control system MCS includes: unit start and stop control module, load adjustment module, combustion control module, and operation parameter monitoring module;

[0015] The unit start-stop control module: during the unit start-up and shutdown process, according to the set procedures and parameters, realizes the coordinated start-up and shutdown of the boiler and the steam turbine;

[0016] The load regulation module: automatically adjusts the output power of the unit according to the load demand of the power grid or the instructions of the operator to keep the unit running in a safe and economical state;

[0017] The combustion control module: by adjusting the fuel supply and the combustion air volume, the combustion process is precisely controlled to ensure that the combustion efficiency and emission indicators meet the standards;

[0018] Operation parameter monitoring module: real-time monitoring of the unit's operating parameters, including temperature, pressure, and flow, and automatic adjustment or alarm when the parameters exceed the set range.

[0019] Preferably, the sequential control system SCS is the core part of the combined heat and power DCS combustion optimization control system. The sequential control system SCS is responsible for the sequential control of the start, stop, and switching of the unit equipment. The sequential control system SCS automatically or manually completes the start, stop, and switching operations of the equipment according to the prescribed sequence and time interval through a pre-set program;

[0020] The sequential control system SCS can include: equipment level control module, function group level control module, sequential control logic module, interlocking and protection module;

[0021] The device-level control module: realizes the start and stop control of individual devices, including fans, water pumps, and valves;

[0022] The functional group level control module combines multiple related devices into a functional group and implements the start and stop control of the entire functional group through a unified control program;

[0023] The sequential control logic module: implements the sequential control logic according to the operating status and operating requirements of the unit to ensure the normal start, stop and switch of the equipment;

[0024] The interlocking and protection module implements interlocking protection between devices during the start-up, stop and switching of the devices to prevent misoperation and accidents.

[0025] Preferably, the combustion optimization control strategy module is the core part of the combined heat and power DCS combustion optimization control system, and the combustion optimization control strategy module realizes automatic optimization adjustment of the combustion process through the required control algorithm and model;

[0026] The combustion optimization control strategy module is to improve combustion efficiency and reduce pollutant emissions under the premise of ensuring safe and stable operation of the unit;

[0027] The combustion optimization control strategy module includes: a multivariable prediction control module, a model online identification module, an adaptive control module, a combustion efficiency and emission balance module, and a fault diagnosis and early warning module;

[0028] The multivariable predictive control module: based on real-time data and historical data, adopts a multivariable predictive control algorithm to perform joint optimization control on multiple variables in the combustion process;

[0029] The model online identification module: establishes a mathematical model of the combustion process, and updates and corrects the model in real time through online data to ensure the accuracy of the control strategy;

[0030] The adaptive control module automatically adjusts control parameters and strategies according to changes in the unit's operating conditions to meet the combustion optimization requirements under different operating conditions;

[0031] The combustion efficiency and emission balance module: while optimizing the combustion efficiency, it also takes into account the emission control of nitrogen oxides NOx and sulfur dioxide SO2 pollutants, and achieves dual optimization of combustion efficiency and emission indicators by adjusting combustion parameters and adopting low-nitrogen combustion;

[0032] The fault diagnosis and early warning module combines the combustion optimization control strategy to monitor abnormal conditions in the combustion process in real time, uses data analysis and machine learning technology to predict potential faults, issues early warnings, and reduces the impact of equipment failures on unit operation.

[0033] Preferably, the human-machine interface HMI is an interactive channel between the cogeneration DCS combustion optimization control system and the operator. The human-machine interface HMI realizes parameter setting, monitoring alarm, and historical data query functions through an intuitive and friendly operation interface.

[0034] Preferably, the network and security module is the core of the cogeneration DCS combustion optimization control system.

[0035] The network and security module adopts a high-reliability and high-security network architecture to ensure the integrity and confidentiality of data during transmission; the network architecture of the network and security module adopts a layered and distributed network architecture, which specifically includes a control layer network, a monitoring layer network and an external communication network. Each layer is isolated and interconnected through firewalls and switch devices.

[0036] Data transmission protocol of network and security modules: adopt standard data transmission protocol to ensure smooth data exchange between different devices;

[0037] The security strategy of the network and security module includes access control, data encryption, and virus protection to prevent illegal intrusion and data leakage;

[0038] Network and security module redundancy and backup: Equipment and data are redundantly configured and regularly backed up to ensure that the cogeneration DCS combustion optimization control system can quickly resume operation when a single point failure occurs.

[0039] Beneficial effects: The cogeneration DCS combustion optimization control system of the present invention realizes intelligent, efficient and safe control of the combustion process through a scientific system structure design scheme; the system can not only improve the operating efficiency and economic benefits of the cogeneration unit, but also effectively reduce pollutant emissions, which is of great significance to promoting the sustainable development of the energy industry. DETAILED DESCRIPTION

[0040] The present invention is further described below in conjunction with specific embodiments, but the present invention is not limited to the following embodiments.

[0041] In this application, the data acquisition system DAS is responsible for real-time acquisition of various sensor data in the cogeneration system; the analog control system MCS is used to accurately control the analog parameters of temperature, pressure and flow in the combustion process; the sequential control system SCS is responsible for sequential control such as start, stop and switch of equipment to ensure the stable operation of the entire system; the combustion optimization control strategy module realizes automatic optimization and adjustment of the combustion process based on real-time data and optimization algorithm; the human-machine interface HMI: provides an interface for operators to interact with the system to realize parameter setting and monitoring and alarm functions; the network and security module is used to build a stable and reliable network architecture to ensure data transmission security and system security.

[0042] A specific embodiment of a combined heat and power DCS combustion optimization control system includes a data acquisition system DAS, an analog control system MCS, a sequential control system SCS, a combustion optimization control strategy module, a human-machine interface HMI, and a network and security module. The analog control system MCS, the sequential control system SCS, the combustion optimization control strategy module, and the human-machine interface HMI are all communicatively connected with the data acquisition system DAS. The entire system of the combined heat and power DCS combustion optimization control system exchanges information and transmits instructions through a high-speed network to ensure efficient operation and data security of the combined heat and power DCS combustion optimization control system.

[0043] In a preferred embodiment, the data acquisition system DAS is the data base of the cogeneration DCS combustion optimization control system. The data acquisition system DAS collects all important measurement point signals and equipment status signals related to the operation of the cogeneration unit in real time. The system obtains real-time data during the operation of the unit through various sensors. Sensors include temperature sensors, pressure sensors, and flow sensors. The data acquisition of all important measurement point signals in the data acquisition system DAS is the continuous acquisition and processing of key parameters of the unit, including temperature, pressure, flow, and speed. The data processing of the data acquisition system DAS is to scale, modulate, verify, linearly compensate, filter, digitize and convert the collected data into engineering units;

[0044] The data acquisition system DAS also includes a display and alarm module, which includes a display screen and a buzzer. The display provides operation display and standard screen display. The display and buzzer can both give an alarm in time when an abnormal operating condition occurs in the unit. The standard screen display includes group display, bar graph display, trend display, and alarm display.

[0045] The data acquisition system DAS also includes a historical data storage and retrieval module, which records the historical operation data of the unit to support data retrieval and query to provide a basis for fault analysis and optimization.

[0046] In a preferred embodiment, the analog control system MCS is the core of the combined heat and power DCS combustion optimization control system. The analog control system MCS is responsible for the precise control of analog parameters during the combustion process. The analog control system MCS achieves precise control of the combustion process by adjusting the fuel supply and combustion air parameters of the burner according to the actual needs of the unit operation.

[0047] The analog control system MCS includes: unit start and stop control module, load adjustment module, combustion control module, and operation parameter monitoring module;

[0048] The unit start-stop control module: during the unit start-up and shutdown process, according to the set procedures and parameters, realizes the coordinated start-up and shutdown of the boiler and the steam turbine;

[0049] The load regulation module: automatically adjusts the output power of the unit according to the load demand of the power grid or the instructions of the operator to keep the unit running in a safe and economical state;

[0050] The combustion control module: by adjusting the fuel supply and the combustion air volume, the combustion process is precisely controlled to ensure that the combustion efficiency and emission indicators meet the standards;

[0051] Operation parameter monitoring module: real-time monitoring of the unit's operating parameters, including temperature, pressure, and flow, and automatic adjustment or alarm when the parameters exceed the set range.

[0052] In a preferred embodiment, the sequential control system SCS is the core part of the combined heat and power DCS combustion optimization control system. The sequential control system SCS is responsible for sequential control of the start, stop, and switching of the unit equipment. The sequential control system SCS automatically or manually completes the start, stop, and switching operations of the equipment according to the prescribed sequence and time interval through a pre-set program;

[0053] The sequential control system SCS can include: equipment level control module, function group level control module, sequential control logic module, interlocking and protection module;

[0054] The device-level control module: realizes the start and stop control of individual devices, including fans, water pumps, and valves;

[0055] The functional group level control module combines multiple related devices into a functional group and implements the start and stop control of the entire functional group through a unified control program;

[0056] The sequential control logic module: implements the sequential control logic according to the operating status and operating requirements of the unit to ensure the normal start, stop and switch of the equipment;

[0057] The interlocking and protection module implements interlocking protection between devices during the start-up, stop and switching of the devices to prevent misoperation and accidents.

[0058] In a preferred embodiment, the combustion optimization control strategy module is the core of the combined heat and power DCS combustion optimization control system, and the combustion optimization control strategy module realizes automatic optimization adjustment of the combustion process through the required control algorithm and model;

[0059] The combustion optimization control strategy module is to improve combustion efficiency and reduce pollutant emissions under the premise of ensuring safe and stable operation of the unit;

[0060] The combustion optimization control strategy module includes: a multivariable prediction control module, a model online identification module, an adaptive control module, a combustion efficiency and emission balance module, and a fault diagnosis and early warning module;

[0061] The multivariable predictive control module: based on real-time data and historical data, adopts a multivariable predictive control algorithm to perform joint optimization control on multiple variables in the combustion process;

[0062] The model online identification module: establishes a mathematical model of the combustion process, and updates and corrects the model in real time through online data to ensure the accuracy of the control strategy;

[0063] The adaptive control module automatically adjusts control parameters and strategies according to changes in the unit's operating conditions to meet the combustion optimization requirements under different operating conditions;

[0064] The combustion efficiency and emission balance module: while optimizing the combustion efficiency, it also takes into account the emission control of nitrogen oxides NOx and sulfur dioxide SO2 pollutants, and achieves dual optimization of combustion efficiency and emission indicators by adjusting combustion parameters and adopting low-nitrogen combustion;

[0065] The fault diagnosis and early warning module combines the combustion optimization control strategy to monitor abnormal conditions in the combustion process in real time, uses data analysis and machine learning technology to predict potential faults, issues early warnings, and reduces the impact of equipment failures on unit operation.

[0066] In a preferred embodiment, the human-machine interface HMI is an interactive channel between the cogeneration DCS combustion optimization control system and the operator. The human-machine interface HMI realizes parameter setting, monitoring alarm, and historical data query functions through an intuitive and friendly operation interface.

[0067] The main design principles of HMI include: Intuitiveness: Use graphical and animated display methods to intuitively display the operating status and parameter changes of the unit. Ease of use: Design a simple and clear operation interface to reduce the difficulty of operation and improve operation efficiency. Real-time: Update the unit operation data in real time to ensure that operators can obtain the latest information in a timely manner. Security: Set up permission management functions to ensure that operators at different levels can only access data and functions within their authority. The main functions of HMI include: Monitoring screen: Provide overall unit monitoring screen, key parameter monitoring screen, etc., support multi-screen switching and custom layout. Alarm management: Real-time monitoring and alarm of abnormal conditions during unit operation, support classification and classification of alarm information. Historical data query: Provide historical data query function, support filtering and exporting by time, parameters and other conditions. Parameter setting: Allow operators to set and adjust control parameters to meet the operation requirements under different working conditions.

[0068] In a preferred embodiment, the network and security module is the core of the combined heat and power DCS combustion optimization control system, and is directly related to the stable operation of the system and data security.

[0069] The network and security module adopts a high-reliability and high-security network architecture to ensure the integrity and confidentiality of data during transmission; the network architecture of the network and security module adopts a layered and distributed network architecture, which specifically includes a control layer network, a monitoring layer network and an external communication network. Each layer is isolated and interconnected through firewalls and switch devices.

[0070] Data transmission protocol for network and security modules: Standard data transmission protocols such as OPC UA and Modbus are used to ensure smooth data exchange between different devices;

[0071] The security strategy of the network and security module includes access control, data encryption, and virus protection to prevent illegal intrusion and data leakage;

[0072] Network and security module redundancy and backup: Equipment and data are redundantly configured and regularly backed up to ensure that the cogeneration DCS combustion optimization control system can quickly resume operation when a single point failure occurs.

[0073] Finally, it should be noted that the present invention is not limited to the above embodiments, and there are many variations. All variations that can be directly derived or associated with the content disclosed by ordinary technicians in this field should be considered as the protection scope of the present invention.

Claims

1. A combined heat and power DCS combustion optimization control system, characterized by: It includes a data acquisition system DAS, an analog control system MCS, a sequential control system SCS, a combustion optimization control strategy module, a human-machine interface HMI, and a network and security module. The analog control system MCS, the sequential control system SCS, the combustion optimization control strategy module, and the human-machine interface HMI are all connected to the data acquisition system DAS for communication. The entire system of the cogeneration DCS combustion optimization control system exchanges information and transmits instructions through a high-speed network to ensure the efficient operation and data security of the cogeneration DCS combustion optimization control system.

2. A combined heat and power DCS combustion optimization control system according to claim 1, characterized in that: The data acquisition system DAS is responsible for real-time collection of various sensor data in the cogeneration system; the analog control system MCS is used to accurately control the analog parameters of temperature, pressure and flow in the combustion process; the sequential control system SCS is responsible for sequential control such as start, stop and switch of equipment to ensure the stable operation of the entire system; the combustion optimization control strategy module realizes automatic optimization and adjustment of the combustion process based on real-time data and optimization algorithm; the human-machine interface HMI: provides an interface for operators to interact with the system to realize parameter setting and monitoring and alarm functions; the network and security module is used to build a stable and reliable network architecture to ensure data transmission security and system security.

3. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The data acquisition system DAS is the data base of the cogeneration DCS combustion optimization control system. The data acquisition system DAS collects all important measurement point signals and equipment status signals related to the operation of the cogeneration unit in real time. The system obtains real-time data during the operation of the unit through various sensors.

4. A combined heat and power DCS combustion optimization control system according to claim 3, characterized in that: The data acquisition system DAS also includes a display and alarm module, which includes a display screen and a buzzer. The display provides operation display and standard screen display. The display and buzzer can both give an alarm in time when an abnormal operating condition occurs in the unit.

5. A combined heat and power DCS combustion optimization control system according to claim 4, characterized in that: The data acquisition system DAS also includes a historical data storage and retrieval module, which records the historical operation data of the unit to support data retrieval and query to provide a basis for fault analysis and optimization.

6. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The analog control system MCS is the core part of the combined heat and power DCS combustion optimization control system. The analog control system MCS is responsible for the precise control of analog parameters during the combustion process. The analog control system MCS achieves precise control of the combustion process by adjusting the fuel supply and combustion air parameters of the burner according to the actual needs of the unit operation. The analog control system MCS includes: unit start and stop control module, load adjustment module, combustion control module, and operation parameter monitoring module; The unit start-stop control module: during the unit start-up and shutdown process, according to the set procedures and parameters, realizes the coordinated start-up and shutdown of the boiler and the steam turbine; The load regulation module: automatically adjusts the output power of the unit according to the load demand of the power grid or the instructions of the operator to keep the unit running in a safe and economical state; The combustion control module: by adjusting the fuel supply and the combustion air volume, the combustion process is precisely controlled to ensure that the combustion efficiency and emission indicators meet the standards; Operation parameter monitoring module: real-time monitoring of the unit's operating parameters, including temperature, pressure, and flow, and automatic adjustment or alarm when the parameters exceed the set range.

7. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The sequential control system SCS is the core part of the combined heat and power DCS combustion optimization control system. The sequential control system SCS is responsible for the sequential control of the start, stop, and switching of the unit equipment. The sequential control system SCS automatically or manually completes the start, stop, and switching operations of the equipment according to the prescribed sequence and time interval through a pre-set program; The sequential control system SCS can include: equipment level control module, function group level control module, sequential control logic module, interlocking and protection module; The device-level control module: realizes the start and stop control of individual devices, including fans, water pumps, and valves; The functional group level control module combines multiple related devices into a functional group and implements the start and stop control of the entire functional group through a unified control program; The sequential control logic module: implements the sequential control logic according to the operating status and operating requirements of the unit to ensure the normal start, stop and switch of the equipment; The interlocking and protection module implements interlocking protection between devices during the start-up, stop and switching of the devices to prevent misoperation and accidents.

8. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The combustion optimization control strategy module is the core of the combined heat and power DCS combustion optimization control system. The combustion optimization control strategy module realizes automatic optimization and adjustment of the combustion process through the required control algorithms and models; The combustion optimization control strategy module is to improve combustion efficiency and reduce pollutant emissions under the premise of ensuring safe and stable operation of the unit; The combustion optimization control strategy module includes: a multivariable prediction control module, a model online identification module, an adaptive control module, a combustion efficiency and emission balance module, and a fault diagnosis and early warning module; The multivariable predictive control module: based on real-time data and historical data, adopts a multivariable predictive control algorithm to perform joint optimization control on multiple variables in the combustion process; The model online identification module: establishes a mathematical model of the combustion process, and updates and corrects the model in real time through online data to ensure the accuracy of the control strategy; The adaptive control module automatically adjusts control parameters and strategies according to changes in the unit's operating conditions to meet the combustion optimization requirements under different operating conditions; The combustion efficiency and emission balance module: while optimizing the combustion efficiency, it also takes into account the emission control of nitrogen oxides NOx and sulfur dioxide SO2 pollutants, and achieves dual optimization of combustion efficiency and emission indicators by adjusting combustion parameters and adopting low-nitrogen combustion; The fault diagnosis and early warning module combines the combustion optimization control strategy to monitor abnormal conditions in the combustion process in real time, uses data analysis and machine learning technology to predict potential faults, issues early warnings, and reduces the impact of equipment failures on unit operation.

9. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The human-machine interface HMI is an interactive channel between the combined heat and power DCS combustion optimization control system and the operator. The human-machine interface HMI realizes parameter setting, monitoring alarm, and historical data query functions through an intuitive and friendly operation interface.

10. A combined heat and power DCS combustion optimization control system according to claim 1 or 2, characterized in that: The network and security module is the core of the cogeneration DCS combustion optimization control system; the network and security module adopts a high-reliability and high-security network architecture to ensure the integrity and confidentiality of data during transmission; the network architecture of the network and security module adopts a layered and distributed network architecture, specifically including a control layer network, a monitoring layer network and an external communication network, and each layer is isolated and interconnected through firewalls and switch devices. Data transmission protocol of network and security modules: adopt standard data transmission protocol to ensure smooth data exchange between different devices; The security strategy of the network and security module includes access control, data encryption, and virus protection to prevent illegal intrusion and data leakage; Network and security module redundancy and backup: Equipment and data are redundantly configured and regularly backed up to ensure that the cogeneration DCS combustion optimization control system can quickly resume operation when a single point failure occurs.