The nozzle of the pneumatic machine corroborates

 

(57) Abstract:

The invention relates to techniques for the production of milled peat, namely bunker peat harvesting machines, providing cleaning due to the impact on peat particles of the stream of air is sucked through the nozzle under pressure. The invention consists in that the nozzle of the pneumatic corroborates machine includes a casing of rectangular cross-section with a visor smoothly contoured profile, mounted above the entrance slit, a scraper pivotally attached to the body of the nozzle with tie rods and is made in the form of a plate, and the angle at which the scraper is 18-25owhich is selected from considerations of creating the best conditions for lifting peat raised. The invention allows to increase the cyclic fees milled peat. 1 Il.

The invention relates to techniques for the production of milled peat, namely, bunker peat harvesting machines, providing cleaning due to the impact on peat particles of the stream of air is sucked through the nozzle under pressure.

Known nozzle pneumobrakes machine, comprising a body of rectangular cross-section with a visor smoothly acercando ypolnennye in the form of a plate (see A. C. the USSR 877030).

The disadvantages of the known device are the low cycle duties because of the dependence of the absorption rate of peat crumb from the movement speed of the machine.

The objective of the invention is to increase such fees milled peat.

This object is achieved in that the nozzle of the pneumatic corroborates machine, comprising a body of rectangular cross-section with a visor smoothly contoured profile, mounted above the entrance slit, a scraper pivotally attached to the body of the nozzle with tie rods and is made in the form of a plate according to the invention the angle at which the scraper is 18-25owhich is selected from considerations of creating the best conditions for lifting peat raised.

The angle of the scraper 18-25ois selected from considerations of the possibility of creating the best conditions for lifting peat raised. A decrease in the angle <18the peat falls under the nozzle, which impedes its absorption, while increasing the angle of >25opeat particles will fly and not fall into the slit nozzle, despite the established canopy.

The invention is illustrated by the drawing, which shows a nozzle (side view).

opivotally mounted scraper 4 made in the form of a plate. Scraper 4 pivotally attached to the housing 1 with tie rods 5.

The device operates as follows.

Together with corroborates machine body 1, the nozzle is moved in the direction indicated by the arrow. Due to rising raised scraper 4 milling baby is in a suspended state and then under the action of the vacuum created by the fan pneumobrakes machine (not shown), tortuously mixture is sucked into the nozzle and then through the duct enters the cyclone corroborates machine, where the selection of peat from the air flow.

At clash of the inclined plane of the scraper 4 resting on raised milling chips must take into account the condition of continuity for the moving of the peat layer, which is determined by the ratio of resistance force to the shift of peat in peat and external friction forces FTrmaterial of inclination of the plane. The condition of continuity for the peat layer on the plane of the feasible when the ratio of FTr. It was established that in the process of drying, moisture mill is o.

When using this device the speed of the suction tortuously mixture does not depend on speed of movement of corroborates machine.

Designed nozzle device can be applied to existing harvesting combines. The nozzle design is simple and can be manufactured in the workshops of peat factories.

The nozzle of the pneumatic corroborates machine, comprising a body of rectangular cross-section with a visor smoothly contoured profile, mounted above the entrance slit, a scraper pivotally attached to the body of the nozzle with tie rods and is made in the form of a plate, characterized in that the angle at which the scraper is 18-25owhich is selected from considerations of creating the best conditions for lifting peat raised.

 

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