Situation usual air compressor system

Post by: Admin Dept: BBT Nôi dung máy nén khí Date posted: 08/06/2016

For many industries, compressed air supply system has an important role, system
This system typically consumes considerable energy. However, the efficient energy use at critical stages have not been many businesses (DN) of interest. Pham Huy Phong, Head of Engineering Energy Conservation Center
of Ho Chi Minh City (ECC), the analysis: Many companies waste of energy at this stage is not a fair use by pressure compressors , resulting in wasted energy amount.
survey pneumatic system used in a DN 2 compressors Atlas Copco screw effective power capacity of 30 KW. Two machines operate on alternate days and operating hours of the day is 24 hours. The two machines share a compressed air cylinder volume of 1.7 m3 and share compressed air distribution piping. Compressed air is installed in approximately 5.5 -6.5 kg / cm2.
This DN Pneumatic be used for the following needs: Mostly give the furnace pressure pasteurization to about 1.5 kg / cm2 during pasteurization. This section accounts for about 80% of the compressed air demand.
Supply compressed air spray cooling steam after the steamed fish in cool room. This section accounts for 10% of total compressed air needs.
Supplying compressed air for pneumatic actuators in the fish processing line.
This accounts for 10% of total compressed air demand.
Inadequacies problem here is the compressed air is generated from compressors at a pressure of 5.5 to 6.5
kg / cm2, however 80% of the compressed air is put into use for the furnace pressure pasteurization was only 1.5 kg / cm2. The need to install air pressure is higher than to ensure sufficient supply of compressed air for the furnace pasteurized even if there is some overlap in the oven start time pasteurization. That is even the time of the
sudden increase in demand for compressed air. Due to the compressed air flow pressure in case of
high or low when used for pasteurization are the same furnace should install air pressure at high pressure theoretically increases the compression, wasting energy for the compressor system.
the rationalization pressure compressors
After the survey, experts ECC made solutions. Separating the spray using compressed air (10%) and the compressed air supply for the actuators
(10%) with compressed air for the furnace section pasteurized (80%) according to the following options:
The compressed air supply for the pasteurization oven is provided separately from one machine
existing compressor.
the compressed air supply to the actuator can be in 2 ways: 1 Use the remaining compressor (installed in 5.5 -6.5 kg / cm2) or a compressor separate investment
-yield small enough (about 5HP machine).
the compressed air supply to the spray: use common current remaining compressor
(installed in 5 5 - 6.5kg / cm2) or general use more private investment compressor (at
the power plant with a capacity to about 10 Hp) or direct water use compressor
to spray for the (capacity of about 3 Hp).
Install pressure pneumatic system components provide the pasteurization oven from 5.5-6.5
kg / cm2 down 1.5-2.5 kg / cm2.
Replace the engine compressors for the pasteurization oven electric power from 30 kW to 18.5 kW or 30 kW engine unchanged but installing inverter
motor power control.
the plan for this change, the investment cost of 110 million Dong. Meanwhile, each year
saves businesses 76 million. Thus, after 17 months of recovery businesses are capital
investments.

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