1, the design standard
ard


3) ISO DIS * * 11898 fieldbus standard


4) GB2423.10 electrical and electronic products are the basic environmental testing procedures


5) GB4728.1 ~ 13 electrical diagrams use graphic symbol


6) the GB4943 information technology equipment * *


7) GB5094 electrical technology items in the code


9) GB6833 electronic measuring instrument electromagnetic compatibility test plan


10) GB6988.1 ~ 7 electrical drawings


11) J207.1-10148.4 design document management system


12) SJ1508 design document classification number


13) SJ/T10148.1-4 electrical diagram establishment method


14) SJ/T10320 process file format


15) ANST NFPA 70 * * electrical code


16) ISA IPTS 68 thermocouple conversion table


17) SAMA PMS 22.1 instrumentation and control system function diagram representation


18) ANST NEMA ICS4 industrial control equipment and system terminal row


19) GB4942.2 * * standard measurement units


20) GBJ93-86 industrial automation instrument engineering construction and acceptance specification


21) the rules of the hot water, steam boiler technology * * (LaoGuo word [1997] no. 74);


22) the boiler room * * management rules (LaoGuo word [1988] no. 74);


23) the electrical equipment installation project electrical lighting "specification for construction and acceptance - GB50259-96;


24) of the electrical equipment installation project plate, cabinet and secondary loop connection "specification for construction and acceptance - GB50171-92;


25) the industrial boiler thermal test specification - GB10180-88;


26) the electrical device installation and acceptance specification for construction of grounding device - GB50169-92;






2, the principle of system design


1) * *


Boiler control system, working environment is poor, once the system operation failure or affect the quality of the product or cause serious accident, therefore, the system design of * * guarantee from two aspects of hardware and software.


2) in the aspect of hardware to take the following measures:


N standardization

The design and its implementation will be carried out in accordance with the relevant standards of the bidding documents, and the system equipment, products and software we choose conform to industrial standards or mainstream models.

n Advancement

The overall scheme of the project will be guaranteed to have obvious advanced features. Considering the rapid development of electronic information technology, this design will be moderately advanced in technology, and the equipment, products and software used are not only mature but also represent the technical level of the world today.

n Practical

The design will start with the analysis of user needs, and work with the goal of obtaining the needs recognized by users to ensure that various needs at present and in the future are met.

n Rationality and economy

While ensuring the advanced nature, the engineering design is carried out with the goal of improving work efficiency, saving manpower and various resources, and fully considering the practicality and benefits of the system.

n Safety and reliability

Safety and reliability are the basic requirements for power energy and the main goal pursued by the engineering design of this integrated management system.

n Convenience and comfort

 The boiler control system will be very convenient and comfortable in use and operation, and will provide effective information services to the owners, managers and customers of the boiler PLC control system, and provide an efficient, comfortable, convenient and safe working environment.

System Components

1. introduction

The system has online and offline operation modes. The system software can not only realize boiler manual/automatic control, working condition monitoring, historical data recording, real-time trend and other general monitoring requirements, but also increase data detection, fault alarm, fault handling and other functions, making it rich in artificial intelligence, To ensure the reliable operation of the boiler.

2. Modular Hierarchy    

The control system is designed in strict accordance with the principles of industrial control standards and boiler safety requirements. The software and hardware adopt object-oriented modular design, which is safe and reliable. Hierarchical design, a total of three layers:

● One layer----on-site sensors and actuators

Primary instruments such as boiler pressure, furnace pressure, flue temperature, and flow rate use on-site components.

● The second floor - on-site boiler control cabinet

The boiler site control cabinet directly controls the operation of each boiler. Receiving instructions from the host computer on the upper side, collecting data on the lower side, the system units are connected with each other, and all have relative independence. The lower computer (PLC control cabinet) can be disconnected from the upper computer (industrial computer) for independent operation, and can also be operated and monitored through the upper computer in the online state.

● Three floors----central control cabinet

Completing the overall management and monitoring of the system is the core of the system. Externally exchange information with staff, and internally complete monitoring and management tasks. Manage and control boiler operation in a timely manner according to "instructions" and "data".

Main functions of the console

The system software is operated by human-computer interaction, and the rich software functions make the whole system have the characteristics of good human-machine interface, intuitive and clear display, simple operation and practicality. Simultaneously display multiple parameters.

1. The central control cabinet is the command center of the system. It is connected to the boiler controller through the bus to monitor the boiler unit in a timely manner: to realize functions such as fault alarm, data monitoring, historical data recording, automatic report generation and data printing.

2. Intelligently adjust boiler operation: Automatically record the cumulative working time of the analysis equipment and the timely status of each boiler, and improve the operating efficiency of the boiler through the analysis of relevant parameters.

For more detailed information, please contact Fenglan reference room