SU1197741A1 - Cyclone - Google Patents

Abstract

a cyclone containing a vertical body with cylindrical and conical parts, placed in the upper part of the body inlet pipe and exhaust pipe, a hopper for collecting trapped dust particles, a reflector of cleaned air flow installed between the hopper. and a housing screen located between the reflector and the housing wall, characterized in that, in order to prevent dust from being carried away from the bunker during its periodic unloading, the screen is made in the form of a curtain of elastic material i fixed along the reflecting perimeter (L tel.

Description

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The invention relates to a technique for trapping coarse and fine bulk materials and can be used in pneumatic conveying and suction systems operating under vacuum.

The purpose of the image of the shadow is to prevent the dust from being carried away from the bunker during its periodic discharge.

In the drawing, depict a cyclone, a longitudinal section. | ,. The cyclone contains a block with 1 with cylindrical 2 and comic 3 parts, input naTpitfepK A, exhaust pipe 5 installed along the cyclone axis, hopper 6, flow reflector 7 installed between hopper 6 and housing 1, screen 8 made in the form of a curtain elastic material and fixed around the perimeter of the reflector, which is made in the form of a cone in the upper part and in the form of a surface of revolution, which forms a parabola, in the lower part. The reflector 7 is fixed in the housing by means of strips 9. The hopper is provided with a dust shutter 10, connected to the housing by a nozzle 11.

The cyclone works as follows.

The dusty mixture due to the vacuum created by the fan (in the drawing) flows through the inlet 4 into the cyclone body 1. Under the action of centrifugal forces inside the body, the bulk of the material is separated from the air

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flow and along the walls of the housing; crawls into the hopper 6 through the dust nozzle 11, and the purified air through the exhaust pipe 5 exits the cyclone and enters the fine filters. When the material is discharged from the hopper 6 through the dust plug 10, air leakage is created, which carries away the particles of the separated fine dust. The flow of aspirated air encounters a deflector 7 on its way, moving further along, forming it, at the same time bending the Elastic shutter 8, which is pressed against the walls of the cyclone body, preventing the fine dust from rising out of the bunker 6. Finishing unloading and closing the spray gauge 10 pressure in the bunker and case

On the 20th cyclone, the air suction from the hopper is stopped and the curtain lowers.

The use of this cyclone design is most appropriate in

25 pneumatic conveying systems when working with sticky welding materials, when the use of continuous discharge devices is difficult due to their

30 sticking.

Due to the reduction of fine dust in the exhaust pipe in the proposed device increases the overall efficiency of trapping

JJ dust cyclone, while the load on the fine filters is reduced by 10-15%, and the time of their regeneration is reduced by 20%.

Claims (1)

CYCLONE containing a vertical housing with cylindrical and conical parts located in the upper part of the housing inlet pipe and exhaust pipe, a hopper for collecting dust particles caught, a reflector of the stream of cleaned air installed between the hopper. and a housing, a screen located between the reflector and the wall of the housing, characterized in that, in order to prevent dust from the hopper during its periodic unloading, the screen is made in the form of a curtain of elastic material, fixed around the perimeter of the reflector.