Kunshan Buys Low-Voltage Distribution Panels; Qixia Recycles High-Voltage Transformers [Air Conditioning Unit Machine Applications] The power of the screw-type chillers is relatively higher compared to the scroll type, mainly used in air conditioning systems or large-scale industrial refrigeration. (1) Twin Screw Refrigeration Compressor (Twin Screw Compressor) The twin screw refrigeration compressor is an energy-adjustable injection compressor. Its three consecutive processes of suction, compression, and exhaust are achieved through periodic volume changes generated by the rotation of a pair of intermeshing male and female rotors within the machine body. Generally, the male rotor is the driving rotor, and the female rotor is the driven rotor. Main components: twin rotors, machine body, main bearings, shaft seal, balance piston, and energy regulation device. Capacity: 15 to infinite adjustment or two to three-stage adjustment, using oil pressure piston loading and unloading method. Standardly used: radial and axial rolling bearings; open type equipped with oil separator, oil storage tank, and oil pump; closed type uses differential pressure oil supply for lubrication, injection, cooling, and driving the sliding valve capacity regulation piston movement. Compression principle = Suction process: gases enter the volume between the teeth of the male and female rotors through the suction port. Compression process: as the rotors rotate, the volume between the teeth of the male and female rotors connects (V-shaped space), and due to the interlocking of the teeth, the volume gradually decreases, compressing the gas. Exhaust process: the compressed gas moves to the exhaust port, completing a working cycle. (2) Single Screw Refrigeration Compressor (Single Screw Compressor) Utilizes the compression generated by the meshing of one driving rotor and two star wheels. Its three consecutive processes of suction, compression, and exhaust are achieved through periodic volume changes generated by the rotation of the rotor and star wheels. Rotor teeth: six, star wheel: eleven teeth. Main components: one rotor, two star wheels, machine body, main bearings, and energy regulation device. Capacity: from 10% to infinite adjustment and three or four-stage adjustment.

Qixia purchases low-voltage distribution cabinets

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Kunshan buys low-voltage distribution boxes; Qixia recycles high-voltage transformers

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