Device for thermal afterburning waste gases with a high content of condensate

 

(57) Abstract:

The invention relates to a thermal ignition of waste gases containing liquid phase, and can be used in food, chemical, pharmaceutical and microbiological industry. The device includes a housing with a bleed air flow, the swirl of air, fuel reservoir with the inlet fitting and the gas holes and connected with the source of ultrasound Central nozzle with on line its zero displacement of the inlet fitting and the swirl of waste gases, followed by the inner surface of the cut he co-directed spiral grooves on the inner surface of which is planted nozzle for the gas phase. The device allows to increase the reliability of dissolver liquid phase. 1 Il.

The invention relates to a thermal afterburning waste loads containing liquid phase, and can be used in food, chemical, pharmaceutical and microbiological industry.

A device for thermal afterburning waste gases with a high content of condensate, comprising a housing with a bleed air flow, the swirl of air, fuel manifold with inlet ø the call, which installed nozzle.with. N 1411546, CL F 23 G 7/06, 1986).

This device has a low reliability neutralization of the liquid phase due to the unreliable crushing drops at the root of the torch and their breakthrough without evaporation and afterburners.

Closest to the present invention is a device for thermal afterburning waste gases with a high content of condensate, comprising a housing with a bleed air flow, the swirl of air, fuel reservoir with the inlet fitting and the gas holes, the Central pipe with the inlet fitting, the swirl of waste gases, which on the inner surface of the cut spiral grooves, the cutting direction which coincides with the direction of winding of the swirl on the inner surface of which is planted nozzle for the gas phase.

This device allows you to more reliably separate the condensate from the gas phase waste gases and throw it at the root of torch fuel, but has low dispersion spraying, preventing the effective evaporation and ignition of the liquid phase.

The proposed device for thermal afterburning waste gases with a high content of condensate, comprising a housing with a nozzle feeding the material nozzle with the inlet fitting, swirler waste gases, followed by the inner surface of the cut spiral grooves, the cutting direction which coincides with the direction of winding of the swirl on the inner surface of which is planted nozzle for a gas stream is supplied by a source of ultrasound, connected to the Central pipe, and the inlet fitting is located on the line of its zero displacement. This allows you to spray the liquid phase separated from the gas stream by condensation with the end surface of the Central pipe with a particle size of 0.1 μm, which increases surface evaporation and reliability of dissolver condensate emitted at the root of torch fuel.

The drawing shows the proposed device, the overall look.

Device for thermal afterburning waste gases with a high content of condensate includes a housing 1 with the fitting 2 to supply air, swirl 3 air fuel reservoir 4 with the inlet fitting 5 and the gas holes 6, the Central pipe 7 with the inlet fitting 8, 9 swirl waste gases, followed by the inner surface of the cut spiral grooves 10, the cutting direction which coincides with the direction of winding of the swirl 9, inside gnome the pipe 7 connected to the source of the ultrasound made in the form of a piezoelectric transducer 13 is connected to the source 14 of high-frequency alternating current.

The device operates as follows.

The air fed into the housing 1 through the nozzle 2 and then through the swirler 3 in the combustion volume. Fuel gas is fed into the reservoir 4 through the nozzle 5 and further through the gas holes 6 in the combustion volume. Waste gases containing condensate, through the fitting 8 is served in the Central pipe 7, where it spin in the swirl 9 and separated in the centrifugal field as the fluid in the spiral groove 10, and the gases in the cavity of the nozzle 7 is directed to the outlet pipe 7 into the combustion volume, where the gases through the nozzle 11, and the liquid through the channels 12 extend out of the socket 7. By creating in a piezoelectric transducer 13 by passing current from the source 14 of ultrasonic vibrations and their transmission through the Central pipe 7 is fine atomization of the liquid phase from the end surface of the pipe 7 and its emission in the combustion zone of the flame of the fuel gases beyond its root, which provides intensive evaporation of condensate and ignition together with the waste gases. The location of the fitting 8 on the line of zero offsets shaken with ultraselect device.

The proposed device allows to reliably burn the liquid phase condensate gas emissions, excluding its effect on combustion stability torch fuel gas, with the intensification of mass transfer due to evaporation of the liquid phase with an increased dispersion of droplets.

DEVICE FOR THERMAL AFTERBURNING WASTE GASES WITH a HIGH CONTENT of CONDENSATE, comprising a housing with a bleed air flow, the swirl of air, fuel reservoir with the inlet fitting and the gas holes, the Central pipe with the inlet fitting, swirl waste gases, followed by the inner surface of the cut spiral grooves, the cutting direction which coincides with the direction of winding of the swirl on the inner surface of which is planted nozzle for a gas stream, characterized in that it is provided with a source of ultrasound, connected to the Central pipe, and the inlet fitting is located on the line of its zero displacement.

 

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