2013年10月30日星期三

Introduction grain cleaning sieve

Cleaning sieve for separating the grain particle size, shape and weight similar type impurities such as stones , mud , metal particles block , such as glass and cinder .

Separation of wet and dry methods are two types:

       The device has a specific gravity of dry stoner and gravity grading station . Stoner in the proportion of food complete crushing plant inside is evenly fed into an inclined reciprocating

perforated plate ( scale orifice plate or wire braid ) , and controllable by an airflow leaving the fluidized state by a semi suspension weight flow

Down side discharge.

        Typical equipment for washing the wet wheat dryer , washing by the spiral groove and the vertical drying parts. Than double roller crusher the major impurities in the washing tank

sedimentation speed , accumulate on the bottom by a small screw conveyor to send to the discharge port ; wheat grain were floating to the big screw conveyor drying section ,

Separated from the surface to remove the moisture. Heavier stones, mud , etc. due to the vibration of reciprocating perforated plate facing the upper end of the moving close by

poly- stone district discharge. The way to provide airflow suction and blowing categories. Gravity grading station working principle and structure and the specific gravity

stoner similar : first food

Food together with impurities divided into two parts by weight , and then were to be cleaned , can reduce the number of devices or cleaning behind the switch to a smaller device

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