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Application of FGI FD200 series frequency inverter in plastic packaging plant in Denmark

FGI FD200 series frequency inverter in the plastic packaging plant vacuum pump control due to the use of FGI frequency conversion technology to transform the vacuum pump, Denmark's famous plastic packaging film production factory FAERCH plastic packaging factory in energy saving and equipment maintenance costs have achieved very considerable benefits. FAERCH Plastic Packaging Factory is a well-known manufacturer in the food packaging industry, specializing in the production of plastic film, and hot formed into any shape in order to use in the food industry and retail product packaging. The plant attaches great importance to energy conservation and environmental protection, and constantly strives to reduce energy consumption in production.

Application of FGI FD200 series frequency inverter in plastic packaging plant in Denmark 1

1.Energy consumption is greatly reduced

At the FAERCH Plastic Packaging plant, a key energy saving point is the vacuum pump system for plastic particle transport, and the company decided to equip three BUSCH & CO units. A vacuum pump system to replace the previous 38 scattered vacuum pumps, two vacuum pumps with 22kW three-phase motor control, one with FGI FD200 series frequency inverter governor control, the original power provided to the vacuum pump from 285kW reduced to 66kW, the average energy consumption from 95kW reduced to 35kW.

The factory produces 24 hours a day, 361 days a year, and the maximum workload of the vacuum pump is about 150,000 kg/h plastic particles, and sometimes it needs to be increased to 20,000 kg/h plastic particles. According to historical data, 8~10kg of plastic particles can be transported per m3 of gas, so the two-sided vacuum pump is not enough to meet the processing capacity of 16000~20000kg/h. Each vacuum driven pump can transport 1002m3/h of gas, the pressure is 400MBR, and the pressure of the pump driven by the FGI FD200 series frequency inverter governor is lower, about 350MBR. The motor operates at 50Hz, 2940r/min, and the pump speed is lower, about 2780r/min.

The reduction in energy consumption and the speed control of the motor have resulted in an annual electricity savings of 23,500 euros, and the addition of filters to the vacuum pump system has also achieved significant energy savings. Energy consumption per unit of product production has also dropped to 80% of the original (1996). The energy savings are so significant that the total investment of €161,000 in retrofitting is expected to be repaid in less than three years.

2.Interactive applications reduce maintenance costs

The pump of the vacuum pump station is put into use interactively, and the input of the pump should be determined according to the amount of gas. The first pump put into use is the pump controlled by the FGI inverter governor. When its operating frequency is higher than 56Hz or 56Hz exceeds 15s, the second one is directly started by the power frequency, and the speed of the pump is reduced by frequency conversion control to adapt to the amount of gas. The third pump is on standby. The variable frequency pump operates between 0 and 58Hz, and the flow regulation of the pump system is basically linear. 

FGI FD200 series frequency inverter

FGI frequency inverter speed regulator has been widely used in printing and packaging industry, and its application of macro provides conditions for its easy application and technical means.

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Application of FGI FD100 series frequency converter in aluminum extrusion equipment
Application of FGI FD500 series frequency inverter in air compressor in chemical industry
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