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Sieve Bend Screen

With wedgewire as screening media, the curved sieve bends can be used as pre-filters offering a high capacity and cost effective method of solids/liquids separation. It is also known as DSM static screen or gravity fed screen. Createch offers loop wire or wedgewire sieve bend screen for the starch industry. Heavy duty welded profile wire curved screen is mainly used in mining and coal industry. The profile surface wires are die struck out of round wire and then affixed to round support wires that go through loops in the surface wires.
Sieve bend screens are used for mechanical separation of solid particles from liquids which slide down the panels. Hence it is also known as rundown screen or side hill screen. It is used in a wide range of industries such as:
Sugar Processing;
Starch industry;
Pulp & Paper;
Coal Mining & Quarrying;
Mineral Processing;

The profile wire sieve bend screen has the following advantages:
•Non-clogging: the continuous slot formed by the V-shaped surface wires ensures a two-point contact between the particles and the slot, which minimizes clogging.
•High-precision slot sizes: precise slot sizes are available to meet customer´s requirements.
•Surface filtration: the V-shaped surface wires allow easy cleaning by mechanical scraping or back flushing.
•Low pressure-drop
•Strong construction: for most applications, the wedge wire screen is self-supporting, because of the welding at each intersection.

Work Principle:
Sieve bend screen mainly works as fitting panels for rotary screens or vibrating screens. Each unit is designed to suit the specific requirements of the customer. Consisting of a basic outer casing, which can be manufactured in mild steel or stainless steel, each unit incorporates a distribution chamber and feed weir; over which the effluent passes onto the wedge wire panel which is set at right angles to the flow to enable the separating process to commence.
The separated solids collect on the lower half of the screen to drain and compact, they then slide by gravity onto a solids discharge chute.

The extracted liquid passes through the wedge wire into an underflow collecting chamber, with a disposal outlet for either re-circulation or discharge.


Gravity Screen Sieve Bends