Seed Treater

Seed Treater

 

a machine for chemical treatment of seed with pesticides to kill agents of disease and grain pests. The seed treaters manufactured in the USSR are either of the auger-type (PSSh-3) or the drum-type (PZ-10 Kolos), depending on the primary working element.

Figure 1. Auger-type seed treater: (1) mixing auger, (2) water reservoir, (3) seed bin, (4), (5), and (9) dispensing mechanisms, (6) agitator, (7) feed mechanism, (8) container for toxic chemicals, (10) driving mechanism, (11) frame with wheel drive, (12) prop; (A) movement of toxic chemicals, (B) movement of seeds, (C) movement of liquid, (D) movement of treated seeds

The auger-type machine (Figure 1) treats seeds by the semidry or wet method. When the machine is in operation a loader continuously loads seed into the seed bin. From there a feed mechanism guides the seed into the housing of the mixing auger. At the same time, toxic chemicals from a special container and water from a tank (to wet the components) are fed into the auger. The auger mixes the components as it moves them toward the openings and then discharges the mixture into a bag or pile. This type of seed treater processes 3 tons/hr (when treating wheat). It is driven by a 0.6-kW (kilowatt) electric motor and is operated by two workers.

The drum-type machine (Figure 2) treats seed with fine-dispersion liquid suspensions of toxic chemicals. The chemicals are placed in a tank into which water is fed through an ejector pump and hose when the compressor is turned on. The suspension that forms is thoroughly mixed with an agitator and sprayed in finely dispersed form by a jet into the revolving mixing drum. The seed enters the drum from the seed hopper by means of gravity, mixes with the suspension, and is discharged by an auger into a vehicle. This type of seed treater processes 10–15 tons/hr and is driven by a 7-kW electric motor. It is run

Figure 2. Drum-type seed treater: (1) discharging auger, (2) mixing drum, (3) seed hopper, (4) jet, (5) air reducer, (6) compressor, (7) reservoir for suspension of toxic chemicals, (8) agitator, (9) hose with mesh filter, (10) ejector pump

by a machine operator and two workers. Similar seed treaters are manufactured abroad.

References in periodicals archive ?
Limited Tenders are invited for Purchase Of Seed Treater
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This is a unique mode of action, and one that involves virtually no environmental or health issues, and because of its high degree of safety, N-Hibit can be applied on-farm at planting as well as applied by commercial seed treaters.