SU1526834A1 - Vorttex dust collector - Google Patents

Abstract

The invention relates to a technique for cleaning gas from dust and can be used in various industries in pneumatic conveying, pneumatic cleaning, aspiration systems. The purpose of the invention is to increase the efficiency of separation of particles with a low specific gravity and decrease hydraulic resistance. The expanded lower part of the dust separator body 1 is made of two truncated cones 11 and 12 connected by large bridges. This allows you to organize optimal conditions for the interaction of the primary and secondary flows in the lower part of the body in the zone of the conical shell, the larger base of which is flush with the upper end axial entry and large bases of body cones. Ejection nozzle 7 provides reduced pressure in the body cavity under the washer 6 and the return of particles to the blades of the swirler 4. 1 Il.

Description

one

(21) 4247284 / 31-26

(22) 05/19/87

(46) 12/07/89. Bul Number 45

(71) Moscow Institute of Chemical Engineering

(72) N.V. Danilenko, A.B. Kostin, E.F. Shurgalskip, I.Kh.Enikeev

and S.K.Karepanov

(53) 621.928.93 (088.8)

(56) USSR Copyright Certificate D 956027, cl. R, 04 3/06, 1980,

USSR Author's Certificate P 1017391, cl. B 04 C 3/06, 1980.

(54) VG1KHGEVOY POLLER

(57) The invention relates to a technique for cleaning gas from dust and can be used in various industries in the systems of pneumatic transport, pneumatic cleaning, aspiration. The purpose of the invention is to increase the efficiency of the separation of particles with a low specific gravity and to reduce the hydraulic resistance. The expanded lower part of the dust collector body 1 is made of two connected large bases of truncated cones 11 and 12. This allows you to organize optimal conditions for the interaction of the primary and secondary flows in the lower part of the body in the zone of the conical shell, the larger base of which is flush with the upper end axial insertion and large bases of body cones, Jackell; Nozzles 7 provides reduced pressure in the body to be carried under the washer 6 and the return of particles to the filling agent 4. 1 Il.

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The invention relates to a technique for cleaning gas from dust and can be used in various industries in pneumatic transport systems, pneumatic cleaning, aspiration, etc.

The purpose of the invention is to increase the efficiency of separation of particles with a low specific gravity and decrease hydraulic resistance.

The drawing shows a vortex dust collector, a general view.

The vortex dust collector contains a cylindrical body 1 with a hopper 2, axial inlet 3 with a swirler 4, a fairing 5, a fender washer 6 and an ejection nozzle 7, a secondary flow inlet 8 with a swirler 9, a secondary nozzle 10 for outputting the cleaned gas, the upper 11 and the lower 12 truncated cones connected by large bases and forming an expanded part of housing 1, concentrating the input 3 of ring 13 in the form of a truncated cone, with a large base facing upwards. The larger base of the upper truncated cone 11, the larger base of the shell 13 and the upper end of the axial inlet 3 are located on the same level. The ejection nozzle 7 forms an annular channel 14 with the internal wall of the inlet 3, which communicates with the body cavity underneath, the fender washer 6.

Vortex private trap works as follows.

The dust and gas flow enters through the inlet 8 and, twisting with a paddle swirl 9, moves down in the housing 1. Towards it from the bottom through the axial inlet 3, a primary dusty gas is fed, KOTopbrfi is twisted with an axial paddle swirl 4 in the same direction as the descending secondary stream . The dust particles under this effect are thrown against the walls of the housing 1 by the centrifugal forces. The swirled secondary flow reaches the expansion formed by the cones 11 and 12 and, pushing against the detachable shaft 6, unfolds, interacting with the primary flow coming from the central inlet 3. Dust particles, especially those with a low specific gravity and a size of less than 10 microns, moving along the walls of the body, fall into a gap formed by the bases of the shell 13 and the bottom is truncated

cone 12, from where the annular gap 15 is transported to the bunker 2. Particles with greater inertia and not caught in the gap 15 are separated from the flow when it turns at the fender washer 6 and through the gap 15 between it and the walls of the housing 1 fly into the bunker 2, For the purpose of better removal of dust from gaps 15 and 16 in the hopper 2, a vacuum is created due to the ejection nozzle 7 installed in the axial inlet 3 close to the swirler 4. OTcacbiBaeMbrit ejector

which may contain the smallest and lightest solid particles, immediately goes to the blades of the swirler 4, and at the maximum radius, which ensures maximum spin and output from the periphery of the gas stream to the secondary flow and then again into the hopper 2. Gradual expansion of the body at the turning point the secondary flow contributes to the optimal interaction of the swirling jet of the primary flow with the descent of the primary flow and the co-current of the packaged secondary flow. Thus, the implementation of the apparatus body at the level of the end of the axial gas pipeline from two cones and the presence of an ejector installed in the axial gas pipeline allows for high separation efficiency of small particles with a low specific gravity and can be used for dust cleaning in various industrial areas. The location of the larger base of the concentric conical shell at the end of the central gas duct

chosen experimentally.

Claims (1)

Invention Formula A vortex separator comprising a housing with an expanded lower part, in which the shell is located concentrically in a frusto-conical shape, with a large base facing upwards, and axial injection of pressurized gas with a swirler, fairing and a fender washer placed in the upper part of the housing an axial nipple to bring cleaned gas and peripheral input of the secondary stream with a swirler, characterized in that, in order to increase the EL effect of the separation of particles with a low specific gravity and decrease the flow resistance, part 515268346 the case is made in the form of two sub-axial inlet provided with an ejector-hole cone with large bases of cones, a cage forming with its internal base a larger upper-wall wall and an annular channel connecting the truncated cone to a larger base with the body cavity under the fender shell and the upper end of the axial in-puck. yes located on the same level as