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Billiton metering pump working principle
Milton Barrow is the largest metering pump manufacturer in the world and has a complete metering pump line. As early as the 1930s, the first Bill Milutinovic pump was invented in Philadelphia, USA, and soon these pumps are used in a variety of chemical applications. Today is mainly to bring you to understand the working principle of the next Milton Metering pump. Working principle of the Milton Metering pump Working principle of the Milton Metering pump: The mechanical drive mechanism GM pump consists of two parts: the drive end and the pump head. The output flow depends on the stroke speed at the drive end, pump head size and stroke length. Whether the pump is running or stopped, the stroke length can be changed by adjusting the stroke adjusting handle, and the driving end works according to the principle of the variable eccentric mechanism. The motor drives a worm wheel (2) and a worm (1) connected to the eccentric mechanism (3), and the eccentric mechanism converts the rotational movement of the worm wheel into a linear reciprocating movement of the connecting rod (4). When the stroke is 0%, there is an eccentricity between the rod axis (B) and the worm shaft (A), resulting in a linear motion of the rod. Mechanical driven diaphragm pump head diaphragm assembly and connecting rod mechanically connected to the connecting rod at the same time linear reciprocating motion. During the suction stroke, the diaphragm begins to move backwards and the pressure in the pump head decreases. When the pressure in the pump head is lower than the pressure in the suction line, the check valve ball in the suction port is pushed "up" and the medium in the inlet line Into the pump head chamber. When the suction stroke is over, diaphragm movement stops instantly. The pressure in the pump head is the same as the pressure in the inlet line and the check valve ball in the suction port is reset. The above understanding of the working principle of the Milton Metering pump, in the course of our attention is that: when the suction pump head pressure must be higher than the material vapor pressure. If the liquid pressure is less than the gas pressure will produce cavitation phenomenon, which will affect the pump performance.