Working principle and characteristics of double column large-area hydraulic screen changer

Firstly, the double column large-area hydraulic screen changer has a design of dual channels and dual workstations. This means that in the main structure of the hydraulic screen changer, there are two independent flow channels, each equipped with a filter screen. Under normal circumstances, two filters work simultaneously, allowing the melt to pass through them and enter the next production stage.

Secondly, when impurities accumulate on one of the filter screens to a certain extent and need to be replaced, the dual column large-area screen changer adopts an alternating screen changing mechanism. This process is usually achieved through hydraulic stations or other power mechanisms. During the screen replacement process, one filter screen continues to work while the other filter screen is moved to a non working position for replacement. Once the new filter is installed, it can quickly switch to the working position, while the original working filter enters a non working position for cleaning or replacement.

This alternating mesh changing method enables the double column large-area mesh changer to achieve non-stop mesh changing, thereby ensuring the continuity and stability of production. Meanwhile, due to the fact that only one filter screen is working during the screen replacement process, the fluctuation of material flow pressure is small, and the impact on production is also relatively small.

The main body of the double column large-area mesh changer is usually made of high-quality alloy steel that has undergone nitriding treatment, with a sturdy structure, strong load-bearing capacity, and long service life; Large filtration area, high filtration efficiency, able to effectively filter out impurities and particles in plastic or rubber, ensuring product quality; The automation level of the network replacement process is high, the operation is simple, and the labor intensity of workers is reduced.

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