Basic Information Of Peristaltic Pump

December 13, 2022

Basic Information Of Peristaltic Pump

A good peristaltic pump consists of three parts: the drive, the pump head and the hose. The main competitive advantages of peristaltic pumps are that the fluid is isolated in the pump tube, the pump tube can be replaced quickly, the fluid can be retrograde, dry running, and low maintenance costs.

A high quality peristaltic pump is like squeezing a hose full of fluid with your finger, and the fluid moves forward as your finger slides forward. The same principle applies to the peristaltic pump except that the fingers are replaced by rollers. The fluid is pumped by alternately squeezing and releasing the elastic transfer hose of the pump. Like squeezing a hose with two fingers, as the finger moves, negative pressure builds up inside the tube and the liquid flows.
Good Peristaltic Pump

High quality peristaltic pump is in the two rollers between a section of the pump tube to form a "pillow" shaped fluid. The volume of the "pillow" depends on the inner diameter of the pump tube and the geometric characteristics of the rotor. The flow rate depends on the product of the speed of the pump head and the size of the "pillow" and the number of "pillow" generated by each turn of the rotor. The size of the "pillow" is generally constant (except when pumping particularly viscous fluids).
Compared with a good peristaltic pump with the same rotor diameter, a pump with a larger "pillow" volume will also have a larger fluid volume transported by each revolution of the rotor, but the pulsation generated is also larger. This is similar to the case of membrane valves. And produce a smaller "pillow" volume of the pump, its rotor each turn of the fluid volume is also smaller; Moreover, the rapid and continuous formation of small "pillow" so that the flow of fluid is relatively smooth. This is similar to how gear pumps work.
Versatile Peristaltic Pump

Good peristaltic pump is widely used, can be used in the chemical industry; Mining and metallurgical industry; Paper industry; Paint and coatings industry; The food industry; Ceramic industry; The oil industry; Water treatment industry; Pharmaceutical industry; Medical device industry;
Pharmaceutical industry application: The application of high quality peristaltic pump in pharmaceutical industry is mainly used for drug coating granulation and liquid medicine dispensing. Spray drying granulator, also known as drying granulator and fluidized bed granulator, is used to spray special sugar coating on the surface of all kinds of particle instant materials, and form particles after drying. These pelleting machines themselves specific drying heat source, can play the purpose of evaporation of water, but water evaporation and particle formation is a dynamic relationship, so the amount of liquid and water to be sprayed is very accurate, to ensure a certain humidity of the particles so as to facilitate the perfect formation of particles.

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