SU1625531A1 - Vortex dust separator - Google Patents

Abstract

The invention relates to dry inertial cleaning devices in counter-swirling flows and allows to increase the degree of gas cleaning and to reduce the hydraulic resistance by performing a screw sniper socket 2 with an inclination to the horizontal of 10-30 °, turning it in the plan around the exhaust pipe 180- 360 & and with a guide bottom 5 with a length of not less than 0.5 of the length of the cochlea when the axis of the inlet nozzle 6 is located at a distance of 0.45-0.6 of the diameter of the separation chamber 1 of the dust collector, and also by supplying the auxiliary flow swirler 7 louver grill 17c, set at an angle of 10-45 ° amp; to the tangent internal dia, e pz of the lattice 9 or

Description

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Compiled by A Safonov Editor About GolovachTekhred M. MorgentalKorrektor M. Demchik

Claims (1)

Claim A vortex dust collector containing a cylindrical separation chamber with a snail swirl of the main gas flow in the upper part, an inlet pipe of the snail swirl, an axial exhaust pipe, a cylindrical conical auxiliary swirl with a central 10 through truncated cone and a cowl, a dust collecting chamber, characterized in that, with In order to increase the degree of gas purification and reduce hydraulic resistance, the snail swirl is made screw with a tilt to the horizontal •. · at 10-30 °, a turn in the plan in the exhaust pipe circle is 180 - 360 ° and with a guide bottom of at least 0.5 length of the cochlea, while the vertical axis 20 of the inlet pipe of the snail swirl is placed at a distance of 0.45-0.6 of the diameter of the separation chamber from its axis, and the auxiliary swirl the gas flow is provided with a circular louvre grille 25 located between the through cone and the fairing, the grill louvers being directed at an angle of 10-45 ° to the tangent of the inner diameter of the louvre grille. Example. Use a vortex dust 'trap with a diameter of 200 mm and a gas capacity of 1000 m ³ / h. The temperature of the dusty gas stream is 20 ° C. The initial dustiness of the air in the experiments is 5.0 g / m ³ . 5 The average median diameter of the particles of dust sieved on a sieve is 140 microns, 25 microns. For experiments, dust is used from the bunkers of battery cyclones mounted on a rotary kiln of the building materials plant. The greatest dust-collecting ability of the vortex dust collector is manifested when the ratio of the gas flow rate of the main stream to the additional in the range of 4.0 - 6.0 (Fig. 8). The optimal conditional gas velocity in the cross section of the vortex dust collector is in the range of 7.0-9.0 m / s (Fig. 9). When performing research, the ratio of the costs of the main and auxiliary gas flows is in the range of 4.0 - 6.0. These conditions correspond to the gas entry velocity into the upper swirl 23.530.0 m / s, and the lower swirl 19.5-25.7 m / s. When using the proposed dust collector, the degree of purification of gases increases to 98.4% compared with the known having a degree of purification of 95%. Figure 2 in-in (rotated) 4 . , · / P / > - _for r σζζζζζζ νζζζζζΖλ Fig 4 - r-r -. (rotated) FIG. 5' AyA_ (rotated) 5: ΖΖΖΖΖ2. The ratio of the costs of the main air flow to additional Fig. 8 The speed of air entry into the Upper swirl, m / s. ! _———--- l · ——---- + ------ - · + ——- 4 15 20 25 Air Inlet Speed in the lower swirl, m / s Fig. I