In the previous water plants, whether it was a sewage treatment plant or a water supply plant, the common air compressors were piston air compressors. Piston air compressors have the advantages of low investment cost and large compression ratio, but at the same time, special air compressors for water plants also have problems such as many moving parts, easy to wear, and large maintenance workload. Therefore, since the advent of screw compressors, The situation has only improved slightly.
Compared with the piston air compressor, the screw air compressor is not only easy to operate, but once the various operating parameters of the screw air compressor are set, the screw air compressor can be completely controlled and monitored by its own computer controller. .
These characteristics of the special air compressor for water plants are related to the unique host structure and working mechanism of the screw air compressor, and are also closely related to the reasonable system design and intelligent electrical control system of the screw air compressor itself.
A prominent feature of its electrical control system is its high degree of intelligence. The screw air compressor man-machine interface is designed to be simple and friendly: a computer controller and its control panel are used as the control center. The analog signal of the pressure sensor at the air supply port of the screw air compressor and the switch signal such as motor overload are used as the main input. Control of the press.
It is not difficult to see from the main structure and working mechanism of the special air compressor for water plants that the screw air compressor has fewer moving parts, and the screw air compressor has only a pair of mutually meshing rotors (there is an oil film between the rotors), and the screw air compressor is empty. The compressor does not have a piston mechanism similar to the reciprocating motion of a piston machine and a complex inlet and outlet valve mechanism, so the screw air compressor wears less, operates more reliably, and has a long service life.
The operation of the main engine of the special air compressor for water plants is similar to that of a turbo machine. The screw air compressor has no unbalanced inertial force, and the gas compression of the screw air compressor is continuous without impact. The machine can work smoothly at high speed without special equipment. Base. In addition, the noise of special air compressors for water plants can be reduced to a lower level.
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