中文

Introduction relates to process control system

Time: 2018-6-6 18:33:51    Browse:769

1、Power plant auxiliary workshop centralized monitoring system



Frequency control is one of the main measure of saving energy, improving production processes, improving product quality, and improving the operating environment. Frequency control is recognized as the most promising speed control method due to its high efficiency, high power factor, excellent speed regulation and braking performance. Now, the frequency converter has been widely used in the rotating machinery equipment of wind turbines and water pumps for power generation, heating, chemical, metallurgy, mining, pharmaceutical, oil field, printing, food and other industries.

Features: Based on the principle of control decentralization and centralized management, using advanced computer communication and network technology, the auxiliary workshop control subsystems of the power plants are centralized monitoring, and improve the control level and unattended auxiliary shop are realized, greatly improving labor productivity and achieving the goal of reducing the staff and increasing efficiency.


2、Coal conveying control system0

The coal conveying control system takes PLC as the core, designs the coal conveying control system of the power plant, and the control system realizes the start and stop. The task of the coal conveying system is to make the pulverized coal in a timely and continuous manner on the basis of unloading coal and storing coal. And transport and bring them into the original coal bunker to provide the boiler with the required raw materials.

Function: Real-time monitoring, automatic operation; automatic manual routing design, real-time alarm, alarm real-time display; report running statistics, running log display, real-time curve display, monitoring and diagnosis of equipment and network status, historical data storage and query, user rights management and data upload SIS, MIS systems, etc.

Features: Safe and reliable star or ring redundant network, featuring rich display information, friendly interface, convenient and quick fault location and history query, flexible program control, strong hardware versatility and convenient expansion.


3、Water treatment control system



The water treatment system mainly includes boiler feed water, condensate treatment (including unit drain tank), chemical dosing, purification station, waste water sewage, soda water sampling, hydrogen production station, circulating water weak acid treatment, boost pump room and other auxiliary public control.

Functions: real-time monitoring, automatic operation; real-time alarm, alarm real-time display; report operation statistics, operation log display, real-time curve display, monitoring and diagnosis of equipment and network status, historical data storage and query, user rights management and data upload SIS, MIS system, etc.

Features: It has the characteristics of rich display information, friendly interface, convenient and quick fault location and history query, flexible program control,strong guidance and selectivity, strong hardware versatility and convenient expansion.


4、Ash clear control system

The ash removal system of large-scale units usually includes: treatment of stone coal discharged from coal mill, treatment of slag at the bottom of boiler, treatment of economizer, air preheater and fly ash from electric precipitator.

Functions: Real-time monitoring, automatic operation; real-time alarm, alarm real-time display; report operation statistics, operation log display, real-time curve display, monitoring and diagnosis of equipment and network status, historical data storage and query, user rights management and data upload SIS,

Features: It has the characteristics of rich display information, friendly interface, convenient and quick fault location and history query, flexible program control, strong hardware versatility and convenient expansion.


5、Desulfurization and denitration control system

The desulfurization and denitration control system is used for the monitoring and management of the production operation of the desulfurization and denitration system equipment. The main purpose is to reduce the emission of harmful gases such as sulfur dioxide into the atmosphere and reduce environmental pollution.

Functions: Real-time monitoring, automatic operation; real-time alarm, alarm real-time display; report operation statistics, operation log display, real-time curve display, monitoring and diagnosis of equipment and network status, historical data storage and query, user rights management and data upload SIS, MIS system, etc.

Characteristics: The control object of the desulfurization and denitration system is special but the quantity is small; the control loop is simpler, the closed loop control is less, the open loop control is more; the control object is more dispersed; the PID used for control is less, and the sequence control is more; and it focuses on time control.


6、Other program control systems

The transformation of the fuel pump room remote control system, the remote monitoring of the circulating pump house and the unattended system are carried out to realize the remote monitoring operation.








Classic case