SU889105A1 - Cyclon dust separator - Google Patents

Description

) CYCLONE LINE DIVIDER

I

This invention relates to a technique for centrifugal dry inertia dust collecting apparatus.

Cyclone-dust separators are known in which centrifugal force is used to separate dust from gas, resulting from the rotational movement of gas in a cylindrical container 11 and 2.

The disadvantages of the known apparatus are the complex nature of the movement of gases and the increased hydraulic resistance.

Closest to the invention of the technical essence and the achieved result is a cyclone containing a vortex chamber made in the form of a spiral-shaped flue duct with a dust-removal slit in the outer wall, inlet and outlet nozzles, a recirculation pipeline and a dust collector covering the dust-removal slit f3l.

A disadvantage of the known cyclone is inefficient dust collection. This is due to the fact that secondary dust is generated when dust is removed.

The purpose of the invention is to increase the degree of purification of gases.

This goal is achieved by the fact that in a cyclone containing a vortex

A chamber made in the form of a spiral-shaped flue duct with a dust-removal slit in the outer wall, a dust collector covering the dust-removal slit, an inlet and outlet nozzles and a recycling pipe, behind the dust removal slit in the dust collector there is a partition that does not come from the bottom of the dust collector; the inlet is made protrusion,

Claims (3)

30, one end of the recirculation pipe is located at the top of the dust receptacle behind the partition and the other inlet pipe behind the protrusion. FIG. 1 schematically shows a cyclone, a general view; in fig. 2 view A in FIG. one; in fig. 3 view B. On FIG. one; in fig. - dust precipitation scheme in a cyclone. A cyclone consists of a vortex chamber 1, which is made in the form of a screw-shaped spiral. At one end of the helix of chamber 1, an inlet gateway 2 is connected. At the opposite end of the helix of chamber 1, an outlet nozzle 3 is connected. Near the outlet nozzle 3 connection in the wall of the building. chamber 1 has a slot k through which the entrained dust is discharged into the dust precipitation bunker 5. The bunker 5 has a partition 6. A wall formed by the bunker 5 and a partition 6 is connected by a recirculation pipe 7 to the inlet nozzle 2. In the direction of gas flow before connecting the pipe 7 in the pipe 2, a protrusion 8 is made, located on the side-axis of the chamber 1. The cyclone operates as follows. The dust-laden gas enters the vortex chamber 1 through the inlet bridge 2. A narrowing passage at the place of installation of the protrusion 8 takes place, the gas gets a higher speed, and the inclined plane of the protrusion 8 drops dust particles from the center axis of the chamber to the periphery. In chamber 1, the dusty stream receives a rotational motion, and dust particles due to centrifugal force rush to the wall of chamber 1. Dust through slot k leaves dust-collecting chamber 1 and along the wall it cuts to the bottom of dust-collecting bunker 5. If there is one dust-collecting chamber the spiral turn after the passage of the chamber is cleaned: the fresh gas is discharged through the outlet nozzle 3. If there is more than one spiral turn in the dust precipitation chamber 1 after passing the first turn, the gas passes the second and third spiral turn and additionally dust free. With the passage of gas at the place of installation of the protrusion B, a vacuum is created which, by means of pipe 7 of the front. 4 into the compartment formed by the partition 6 and the wall of the bunker 5. The vacuum created in the bunker facilitates the movement of dust into the bunker 5. The partition 6 eliminates the direct suction of the centrifugal force deposited and the dust ejected through the slot. Sucked out of the hopper 5, the gas through the pipe 7 enters the inlet 2, and, thus, part of the gas circulates in the cyclone. The advantage of this cyclone is the degree of gas cleaning, the reduction of specific energy consumption during gas cleaning. Tests of the proposed cyclone show that when the flow rate of the gas to be purified is 6200 MVM with an initial dust content of 3.5 g / m (cement dust 0-100 µm), the hydraulic resistance of the cyclone is 30 mm water. Art. and degree of dust collection of 86%. Claims of the invention A cyclone dust separator containing an aichrome chamber made in the form. a spiral-shaped flue duct with a dust-removal gap in the outer wall, inlet and outlet nozzles, a recirculation duct and a dust collector covering the dust-removal gap, characterized in that, in order to increase the separation rate due to the intensification of particle removal and elimination of secondary entrainment, The dust separation slot with a longitudinal partition, which does not reach the bottom of the dust collector, has a protrusion on the inner wall of the inlet manifold; one end of the recirculation pipe is placed in the upper part Part of the dust collector is behind the partition, and the other is in the inlet outlet behind the ledge. Sources of information taken into account in the examination 1. USSR author's certificate number kk3686, cl. B 01 D 5/12, 1972. 2. USSR author's certificate №, cl. On 01 D 45/12, 1977. 3. The patent of France W 1 76686, cl. In 04 C, 1967. ffuffS  Fig.Z  Fy