SU1214174A1 - Apparatus for cleaning gases - Google Patents

Description

The invention relates to the wet cleaning of gases of metallurgical, chemical and other industries.

The purpose of the invention is to increase the efficiency of the gas cleaning device.

FIG. 1 shows the device, a general view; in fig. 2 shows section A-A in FIG. one; in fig. 3 vanes in axonometry.

The proposed device contains a Venturi tube 1 with a cylindrical tube 2 at the outlet of the diffuser, installed inside a drip tray l 3. A drip trap 3 has a swirler 4 consisting of vanes mounted in an annular gap between the cylindrical chuck 2 and the side of the swirl 5. Between the swirl ring 5 and the drip pan 3 there is an annular pocket 6 for removing the sludge. In the upper part of the drip pan 3, a gas pipeline 7 is installed. The swirl vane contains an external 8 and 9 internal walls. The inner wall of the blades is made with the inside of the cylindrical pipe 2, forming on the internal wall of the cylindrical pipe of the chute 10 to capture the liquid film, the external wall of the blades is made with the inside of the annular pocket 6, forming the curvilinear blade 115 curved towards the internal wall of the blades,

The device works as follows

Dangerous gas enters the Venturi tube 1, in the throat of which due to the difference in the velocities of the gas flow and the drops of the sprayed liquid

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bone dispenser 12 of the liquid dust is captured by droplets and in the form of a gas-slurry mixture enters the cylindrical pipe 2. A film of liquid flowing along the walls of the diffuser of the Venturi I pipe falls on the walls of the cylindrical pipe 2 is caught by the grooves 0 of the blades of the swirler 4 and passing through the blades It is discharged into the annular pocket 6 of the drip pan 3. When this happens, the gas-liquid stream is directed both through the through slit channels of the blades of the swirler 4 and into the exhaust from the cylindrical nozzle 2 into the drip trap 3. through the slotted channels of the blades of the swirler 4, it is twisted in the annular pocket 6 of the drip pan 3 with the help of curved blades 1 1 blade-current. The gas entering the exhaust from the cylindrical pipe 2 into the collector 3, passes through the scapula 4 and swirls. Drip liquid due to centrifugal forces is thrown onto the walls of the drop catcher 3, while the purified gas enters the exhaust gas line 7, and the collected droplets in the form of a film flow down the wall of the droplet absorber 3 into the annular pocket 6, from which the sludge line is drained.

The implementation of the inner walls of the blades with the entry into the inside of the cylindrical nozzle with the formation of a chute for capturing a film of liquid moving along the cylindrical nozzle reduces the load on the droplet separator and reduces the gas velocity in the hopper.

Thus, the efficiency of the bunker and the device as a whole increases.

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Claims (1)

A device for cleaning gases, containing a venturi pipe equipped with a liquid sprinkler, a diffuser made with a cylindrical nozzle, a droplet eliminator and swirl blades placed obliquely between the droplet eliminator body and a cylindrical nozzle, which, in order to increase the efficiency of the device in operation, it is equipped with a shell placed coaxially to the cylindrical nozzle and forming an annular pocket with the wall of the casing for drainage of slurry water, each swirl blade is made with a through slot a channel communicating the cavity of the cylindrical nozzle with an annular pocket, the input edge of the channel of the patter being made inside the cylindrical nozzle in the form of a groove, and one of the channel walls of each blade enters the annular pocket, forming a curved blade bent toward the other wall shoulder blades. >