Preliminary cleaning


Drum scalping machines, model A1-BZO, are meant for separating coarse and large foreign and straw impurities to prevent the receiving and distributing systems of the further grain cleaning equipment from clogging.



The scalping machine is mounted at grain cleaning sections of grain storages and grain-collecting enterprisers.

The scalping machine operation principle consists in successive grain cleaning from coarse foreign impurities, straw and stalk.

The initial grain mixture is uniformly delivered through the inlet socket along the tray into the intake part of the sieve cylinder.

Grain, cleaned from impurities, passing through the holes along the outlet socket, formed by the lower inclined walls of the body, is removed from the scalping machine and transferred for further processing.
Unlike others this scalping machine was the first to be equipped with a frequency-response transformation console, which allows setting and displaying the required rotation speed of the main operating device of the scalping machine — the sieve cylinder. Thus the scalping machine efficiency and productivity in croppers cleaning is increased.


Scalping machines can be completed with motor-reducers produced by Siemens, Bauer (Germany) and Bonfiglioli (Italy) at the Customer’s discretion.



Technical characteristics

Parameter

 

А1-BZO N1

А1-BZO N2

А1-BZO N3

Throughput, t/h
wheat with bulk weight 760 kg/m3, moisture content up to 14%

 

40

100

150

Efficiency of grain cleaning from coarse impurities, %

 

100

100

100

Sieve cylinder, mm

ID

length

950

1078

950

1078 

1205

1188

Sieve cylinder rotation speed, nominal, rot./min

 

0¸56

0¸56

0÷31

Installed power, kW

 

0,75

1,5

1,1

Air consumption for aspiration, m3/h

 

720

720

960

Overall dimensions, mm, not more than

length 
width 
height

2490 
1130 
1665

2490 
1130 
1665

2490 
1130 
1665

Mass, kg, not more than

 

420

420

420