0.5 tons of green energy-vacuum intermediate frequency induction electric
furnace control system US point
The 0.5 ton vacuum medium frequency induction melting furnace busbar adopts high conductivity copper material, which has sufficient conductive cross-sectional area and cooling measures. The furnace chamber power inlet has a reliable and true seal.
Electronic control system (ie control system): mainly composed of vacuum control, heating control, temperature recording, cooling control and so on. The control system is concentrated in the control cabinet. The analog screen is designed on the control panel. The illuminated button and switch on the analog screen are used to complete various operations and indicate the status of the process. The red flashing light on the panel is used to display various alarms. . The control part is centered on a programmable controller manufactured by OMRON, and is composed of air switches, buttons, contactors, relays, indicator lights and other components. The temperature control part is controlled by the thyristor power regulator, the thermocouple and the temperature control microcomputer to control the temperature of the microcomputer. The pumping control adopts the digital display composite vacuum gauge. The instrument outputs the switch signal and enters the PLC to complete the automatic control of the pump and valve. The whole process uses a liquid crystal paperless recorder for recording monitoring, and shows the temperature value and the degree of vacuum relative to the full scale, the recording temperature and the vacuum trend curve during the operation of the furnace. All working conditions are protected by safety interlock, which can realize manual and automatic control and mutual switching operation. The electrical components are manufactured by Tianjin Meilan Rilan and Shanghai Schneider Factory.
The basic automation function of the 0.5 ton vacuum medium frequency induction melting furnace is completed by the PLC system. The operator can perform production operation, parameter setting and process monitoring through the MMI in the control room. The main functions are as follows:
Smelting process control (or display)
Pouring process control (or display)
Vacuum pressure control (or display)
Inert gas control (or display)
Hydraulic system control (or display)
Cooling water system control (or display)
Data collection and setting
Fault display, alarm, etc.
