The working principle and use of fine bar screen

A fine bar screen is solid-liquid separation equipment that can continuously remove impurities in fluids. It is indispensable special equipment in the production process of urban sewage treatment, water plants, power plant water inlets, textiles, food processing, papermaking, leather, and other industries. It is solid-liquid screening equipment commonly used in China.

Here is the content list:

• Use of fine bar screen

• The working principle of fine bar screen

Use of fine bar screen

Install the fine bar screen in the water channel at 35° to the horizontal plane. The sewage flows into the drum from the end of the drum, and the water flows out through the cracks of the grid. The solid waste is filtered in the grid basket. The cleaning arm is equipped with rake teeth. Clean the gap of the fine bar screen during circular motion, and the rake teeth extend into the grid to take out the solids. It is different from the internal inflow Fine bar screen. When the cleaning arm is at the highest point, the rubbish is removed from the rake teeth through the washing of water and the effect of the slag baffle plate, and it falls into the spiral conveying bucket of the rubbish collection device. During the transportation process, it is dehydrated by the effect of variable pitch, and squeezed dry in the uppermost compression zone, while the squeezed water is returned to the drain, and the garbage is finally sent to the container or subsequent equipment for processing.

The working principle of fine bar screen

A fine bar screen is mechanical treatment equipment for municipal sewage and industrial wastewater. The material is stainless steel 304. When in use, sewage flows in from the top of the open Fine bar screen and then flows through the screen. The 20mm sieve can intercept and separate solids (floating and suspended substances) with a particle size greater than 20mm. When the filter residue covering the inner wall of the screen forms a felt cushion layer, it can produce an additional fine filtering effect on the solids. The special shape of the screen can ensure that the filter residue can only be trapped on the inner surface of the screen without clogging the screen. With the thickening of the filter residue covering the inner surface of the screen, the resistance rises, and after the water level in front of the Fine bar screen reaches a certain value, the machine starts to start. The blades rotate to lift the solids retained by the screen and rely on the nylon brush on the screw to clean the screen. The filter residue is sent into the sealed spiral tube by the screw. The discharge port of the bar screen is discharged. At the same time, the filter residue cleaning device cleans the squeeze bag regularly, and the filtrate and cleaning water return to the sewage from the draft tube. There is a support shaft at the bottom of the grid to fix the position of the grid and prevent the grid from shaking. The filter frame of the fine bar screen and the fixing technology between the filter screen and the filter frame does not ensure the service life of the filter screen of the microfilter, and at the same time avoid the friction between the filter screen and the filter frame to cause the filter screen to be damaged. That guarantees the filtering effect and prolongs the service life of the filter.

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