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Variable Speed Air Compressor

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Variable Speed Air Compressor

The use of air compressors generally has the following characteristics: the configuration capacity is larger than the actual air volume, and the air volume consumption is unstable. The air pressure should be stable and the noise should be as low as possible (especially at night.) The variable frequency air compressor automatically changes the speed of the main engine according to the amount of gas used to respond to changes in system pressure and maintain a stable system pressure.

  • The variable frequency air compressor can set the pressure at will and maintain a constant supply pressure
  • With the variable speed control technology, the displacement of the compressor can be perfectly combined with the gas consumption of the user, completely avoiding the loss of unloading power.
  • The operation of the air compressor can be automatically adjusted according to the gas consumption, which can save energy
  • One-year energy-saving recovery of the price difference compared with non-inverter units, and three-year energy-saving recovery of the investment cost of the entire inverter unit
  • Variable frequency soft start avoids electrical shock and mechanical shock
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Description
  1. Stable air pressure - The variable frequency screw air compressor can start smoothly through the controller or the PID regulator inside the frequency converter by using the characteristics of the frequency converter's stepless speed regulation. For occasions where the gas consumption fluctuates greatly, it can quickly adjust the response
  2. Reduced operating cost - The operating cost of an air compressor consists of three items: initial purchase cost, energy cost and maintenance cost. Among them, energy cost and maintenance cost account for the main part of the total cost of air compressor. Through the reduction of energy costs, coupled with the reduction of the impact on the equipment after the frequency conversion start, the maintenance and repair amount is also reduced, so the operating cost will be greatly reduced.
  3. Improve the control accuracy and prolong the service life - the frequency conversion control system has precise pressure control ability, so that the air pressure output of the air compressor matches the air volume required by the user's air system. Under the frequency conversion control, the air compressor's displacement will change with the change of the motor speed. Since the precision of the frequency conversion control motor speed is improved, it can keep the system pressure change of the pipe network in a stable range, and effectively improve the quality of the working condition.

Technical Data

型号                             ModelSLT-7.5VSLT-11VSLT-15VSLT-18.5VSLT-22VSLT-30VSLT-37VSLT-45VSLT-55VSLT-75VSLT-90VSLT-110VSLT-132VSLT-160VSLT-185VSLT-200VSLT-250V

索兰特永磁变频螺杆空压机参数表 Variable Speed Screw Air Compressor specification
电动机             Motor 功率               Power(kw) 7.5 11 15 18.5 22 30 37 45 55 75 90 110 132 160 185 200 250
马力Horsepower(hp) 10 15 20 25 30 40 50 60 75 100 125 150 175 215 250 270 350
排气量/排气压力                             Air displacement/Working pressure (M³/Min./MPa) 1.04/0.7 1.60/0.7 2.35/0.7 3.20/0.7 3.61/0.7 5.33/0.7 6.31/0.7 7.42/0.7 9.30/0.7 11.76/0.7 15.33/0.7 19.64/0.7 21.94/0.7 29.4/0.7 32.3/0.7 35.8/0.7 45.9/0.7
1.03/0.8 1.59/0.8 2.34/0.8 2.89/0.8 3.59/0.8 4.85/0.8 6.28/0.8 7.38/0.8 9.25/0.8 11.70/0.8 15.25/0.8 19.54/0.8 21.83/0.8 28.3/0.8 31.9/0.8 34.4/0.8 44.0/0.8
0.99/1.0 1.59/1.0 1.94/1.0 2.70/1.0 3.58/1.0 4.50/1.0 6.22/1.0 7.27/1.0 9.02/1.0 11.97/1.0 15.16/1.0 19.42/1.0 21.58/1.0 25.0/1.0 28.5/1.0 32.6/1.0 36.3/1.0
0.77/1.2 1.34/1.2 1.92/1.2 2.24/1.2 2.86/1.2 3.10/1.2 3.54/1.2 6.17/1.2 7.10/1.2 8.72/1.2 11.8/1.2 15.011.2 19.09/1.2 21.15/1.2 23.32/1.2 29.53/1.2 33.8/1.2
出气口尺寸                                             Air outlet diameter DN20 DN25 DN25 DN25 DN25 DN40 DN40 DN40 DN50 DN50 DN50 DN65 DN65 DN80 DN100 DN80 DN100
系统润滑油量                             Lubricating oil volume (L) 10 16 16 18 18 30 30 30 65 65 72 90 90 110 150 180 200
噪音                                                   Noise level dB(A) 60±2 62±2 62±2 64±2 64±2 66±2 66±2 66±2 68±2 68±2 70±2 70±2 70±2 75±3 75±3 77±3 78±3
驱动方式                                           Driven method Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven
启动方式                                          Start method PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD
外形尺寸 Extenal dimensions 长度              Length (mm) 950 1150 1150 1350 1350 1500 1500 1500 1900 1900 2450 2450 2450 3400 3760 2650 3000
宽度                 Width (mm) 670 820 820 920 920 1020 1020 1020 1260 1260 1660 1660 1660 2167 2100 1488 1740
高度              Height (mm) 1030 1130 1130 1230 1230 1310 1310 1310 1600 1600 1700 1700 1700 2260 2260 1900 2100
机组重量                               Weight (kg) 250 400 400 550 550 700 750 800 1750 1850 1950 2200 2500 3200 3200 4400 4700
More Details
  1. Screw host, high efficiency, low speed, the rotor adopts the third generation 5:6 tooth type, profile design, small size, low noise, low energy consumption, low maintenance cost, good reliability and usability.
  2. The permanent magnet motor rotates the rotor through the magnetic field and magnetic force generated by the AC voltage related to the stator coil, with low speed and high efficiency. Compared with ordinary FM motors, the energy-saving performance is more superior.
  3. The microcomputer control drive system realizes intelligent control, variable speed control, automatic adjustment of air volume, load start, and soft start;
  4. Large-capacity oil and gas separator, high-quality oil and gas separation elements and gas and liquid filter elements, with three oil and gas separation, low oil content, to ensure the high quality of compressed air.
  5. Air intake valve, wide range of air intake adjustment, adjustable capacity valve, small pressure loss, stable action and long service life.

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Variable Speed Air Compressor

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Since the inverter itself contains the function of a soft starter, the starting current is less than 1.2 times of the rated current. Compared with the power frequency starting, which is generally more than 6 times the rated current, the starting impact is small.

This kind of impact is not only on the power grid, but also on the entire mechanical system, which is also greatly reduced.

The air compressor driven by power frequency can only work in one displacement, and the variable frequency air compressor can work in a wide range of displacement. The frequency converter adjusts the motor speed in real time according to the actual gas consumption to control the exhaust gas volume. When the gas consumption is low, the air compressor can be automatically put to sleep, which greatly reduces the loss of energy.

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