A total solution for digital power plants

Abstract: An overall solution information for a digital power plant is provided by excellent flowmeter and flowmeter production and quotation manufacturers. The Sudan Garri (Geely) Petroleum Coke Power Plant Project is located in Algli Town, 70km northeast of Khartoum, the capital of Sudan, and 13km east of the Nile River. There are 2 sets of 240t/h burning. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of an overall solution for digital power plants. The Sudan Garri (Geely) Petroleum Coke Power Plant Project is located in Algli Town, 70km northeast of Khartoum, the capital of Sudan, and 13km east of the Nile River. There are 2 240t/h petroleum coke burning CFB boilers, 2 55MW condensing steam turbines and 2 55MW air-cooled generators. The main thermal control system of the power plant (I&Island C) is subcontracted by Shanghai Power Generation Equipment Design and Research Institute, and provides related design, configuration, engineering, service and other work. The complexity of modern thermal power generation units is getting higher and higher, and the requirements for the operation, control, maintenance and optimization of the units are also higher and higher. The traditional control concept is limited to the monitoring of main process measurement points, while a large number of devices are monitored locally and scattered. Management information and maintenance information are manually completed or missing, so it is difficult to carry out unified and comprehensive information management of the unit and optimize the operation of the unit. , Optimizing maintenance cannot play an effective guiding role. The power plant information and control system designed based on the digital concept, with its powerful intelligent field instruments and equipment, greatly expands the traditional distributed control system (DCS) information collection, diagnosis and monitoring range, so that it can effectively obtain on-site equipment management and maintenance information. information. Through the high-speed communication network, this information can be sent to the upper-layer software such as plant-level monitoring information system (SIS) and information management system (MIS), and at the same time integrates intelligent transmitter management system (STMS), boiler tube leakage monitoring system (ALDS) , Vibration Monitoring and Analysis System (VMS), Weather Station Monitoring System (WMS), Plant-wide Closed-Circuit Television Monitoring System (CCTV) and Electronic Inspection System (GTS), etc. Guidance and assurance. Instrumentation and Control (I&C) The design of the system should ensure the safe, efficient and reliable operation of the power plant under the operating procedures, that is, under the conditions of start-stop operation, normal operation, partial load operation, emergency conditions, etc., to ensure that the fuel supply is optimized and the emission level is reduced. , operate at low cost and high efficiency. 1. Power plant control level In the Garri4 power plant, the digital concept of whole plant integration is used to design the I of the whole power plant.&Plan C. Whole plant I&C mainly covers the following systems: (1) Distributed Control System (DCS)—main control system; (2) Safe Parking System (ESD/MFT, ETS)—protection system; (3) Subcontractor Control System (MPCS)—auxiliary (4) Office Network (OFFICELAN); (5) Satellite Positioning Timing System (GPS); (6) Smart Transmitter Management System (STMS); (7) Continuous Flue Gas Emission Monitoring System (CEMS) ; (8) Boiler Tube Leakage Monitoring System (ALDS); (9) Vibration Monitoring and Analysis System (VMS); (10) Large Screen Display System (LVS); (11) Plant-wide Closed Circuit Television Monitoring System (CCTV); (12) Intelligent Electronic Inspection System (GTS); (13) Broadcasting Paging System (Paging); (14) Weather Monitoring System (WMS); (15) Field Instrumentation and Field Control Equipment; (16) Instrumentation Laboratory. The power plant adopts integrated DCS and necessary special control equipment to control the thermal equipment and thermal system of the whole plant, forming a two-in-one management and control system of operation control and operation management. DCS provides a comprehensive, integrated and consistent system to operate, monitor and control boilers and auxiliaries, steam turbines and auxiliaries, soda systems and the rest of the plant (BOP). The power plant has a central control room (CCR), which consists of several local control rooms or cabinet rooms according to the needs of operation, maintenance and management. All monitoring and operations can be done from the central control room. 2. Design principle of control system Adopt DCS as the main control system of the power plant, integrate BOP, and use the special control device of the sub-equipment manufacturer as the controller of the special equipment. The man-machine interface (MMD) is the main monitoring interface of the operator, and the operation interface of the conventional instrument panel (desk) type is not set. DCS has the man-machine interface, keyboard and mouse operation based on the LCDTFT display of the operator station and the four 1250mm large-screen monitors of the two units. It has the basic characteristics of quick response, online equipment diagnosis and online maintenance. The steam turbine electro-hydraulic speed control system (DEH) adopts the same type of system as the DCS. The DEH system can be integrated with the DCS as long as it is hung on the DCS backbone network. DEH can not only share network data with DCS to complete integrated operations, but also act as an independent controller in DCS, with relative independence.

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