Cyclone dust collector (CF)

Designation:
To clean the gas-air flows from ash and dust with temperature up to 450°C and concentration of solid particles up to 1000 g/m3. It is used as a preliminary purification stage before scrubbers, bag filters or ceramic filters.

Industries:

Ferrous and nonferrous metallurgy
Chemistry and petrochemistry
Building industry
Mining and quarrying
Mineral fertilizer production,
Food-processing industry,
Heat and power engineering,
Public utilities

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Description
Characteristics

Applications:

Aspiration systems and bulk material transfer units, foundry yards, cement mills, clinker coolers, crushers, gas purification systems for drying drums, reactors, furnaces, solid fuel furnaces.

Main advantages:

Capable of meeting the sanitary standards for particulate emissions into the atmosphere
No changeable filter elements
Simple construction and reliable operation

Operating principles:
Dusty gas flow goes to separating chamber 8 via tangential inlet pipe 1. Due to movement along the curved trajectory, the solid particles are concentrated on the periphery of each channel 6 and are removed from them through gaps 7 to the channels preceding in the course of the flow. From the first and second channels 6, the dust together with part of the gas enters through an annular slot 4 into the conical hopper 3, where the large mass of particles is deposited and the lightest (fine) fractions keeping in suspension are returned through gaps 7 into active separation zone (channels) and separated again. As a result of internal (circulating) flows organization in the system of channels, a dynamic gas-dust layer is formed, which is a filter for new particles coming for gas purification.

Efficiency of gas purification:

From solid particles with a median diameter of more than 5 microns and a density of more than 2000 kg/m3 depending on the number of channels in the centrifugal filter can be tentatively estimated from the table:

Number of channels in a centrifugal filter
1	2	3	4	5	6		7	8
Collecting ratio.
50	67	80	89	94	97		98	99


						1.Inlet pipe. 2.Outlet pipe. 3.Conical hopper. 4.Annular slot. 5.Bottom of head. 6.Curved channels. 7.Recirculation gaps. 8.Separation chamber. Centrifugal filter with vertical axis of gas flow rotation in four-channel design.

Labeling:

Options of equipment:

Material	ST-3, 09G2S, stainless steel.
Support structures	According to the location of the installation
Stairs - platforms	Step and vertical
Gas duct	Gas lines, temperature compensators, supports
Installation equipment with manholes
Smoke pumps, blowers	Centrifugal fan, exhauster.
Dust discharging systems	Airlock, blinker, double blinker
Sensors	Pressure, temperature, laser particle concentration meter.
Control cabinet	With push-button control, touch screen display.