Description:PLEASE SEE THE ATTACHMENTS. , Claims:We Claim:

1. A system (100) to reduce dust emission in a sinter plant (400), the system (100) comprising:
a vertical duct (110) positioned downstream of the sinter plant (400), wherein the vertical duct (110) configured to receive a gas mixture with solid particles from the sinter plant (400) at a pre-defined velocity;
a plurality of agglomeration units (200) provisioned in the vertical duct (102) to agglomerate the solid particles in the gas mixture, wherein the solid particles are agglomerated to a pre-defined size based on acoustic agglomeration parameters that comprises: an acoustic frequency, a sound intensity, an initial solid concentration in the gas mixture, and a residence time; and
at least one electrostatic precipitator (ESP) (300) positioned downstream of the vertical duct (110), wherein the ESP (300) is configured to:
receive a portion of the gas mixture with the agglomerated solid particles from the plurality of agglomeration units (200), and
separate the agglomerated solid particles from the gas mixture.

2. The system (100) as claimed in claim 1, the system (100) further comprising a coarse outlet (120) at a bottom portion of the vertical duct (110), the coarse outlet (120) is configured to allow a portion of clustered solid particles of the gas mixture to be disposed from the plurality of agglomeration units (200), wherein the portion of the clustered solid particles are formed when the agglomerated solid particles forms an agglomeration size which is beyond a certain limit.

3. The system (100) as claimed in claim 1, the system (100) further comprises an inlet duct (130) to fluidly connect the sinter plant (400) to the vertical duct (110), wherein the system (100) is configured to control a suction of the gas mixture with solid particles from the sinter plant (400) to the vertical duct (110), via the inlet duct (130), at the pre-defined velocity of 20-30 m/s.

4. The system (100) as claimed in claim 1, wherein the system (100) further comprises an outlet duct (140) to fluidly connect the vertical duct (110) with the at least one electrostatic precipitator (ESP) (300), wherein the system (100) controls a suction of the gas mixture with the agglomerated solid particles from the vertical duct (100) to the electrostatic precipitator (ESP), via the outlet duct (140), at a velocity of 20-30 m/s.

5. The system (100) as claimed in claim 1, wherein the pre-defined size for agglomeration of the solid particles is agglomeration between two particles with one lesser than 2 µm and other greater than 2 µm.

6. The system (100) as claimed in claim 1, wherein the plurality of agglomeration units (200) includes a series of transducers, wherein each transducer having the acoustic frequency in a range of 5 kHz to 21 kHz.

7. The system (100) as claimed in claim 1, wherein the plurality of agglomeration units (200) includes a series of transducers, wherein each transducer having the sound intensity in a range of 150 dB to 155 dB.

8. The system (100) as claimed in claim 1, wherein the initial solid concentration in the gas mixture comprises a fine fraction that has an aerated density of 0.622 g/cm3 or a skeletal density of 3.135 g/cm3.

9. The system (100) as claimed in claim 1, wherein the acoustic agglomeration parameters further include a shape factor of the solid particles in the gas mixture, wherein the shape factor corresponds to a deviation from a spherical size of the solid particles in the gas mixture.

10. The system (100) as claimed in claim 1, wherein the acoustic agglomeration parameters further include an agglomeration factor of the solid particles in the gas mixture, wherein the agglomeration factor corresponds to a deviation between a geometric size of the solid particles in the gas mixture and an aerodynamic size of the solid particles in the gas mixture.

11. The system (100) as claimed in claim 1, wherein the residence time is about 3 sec corresponding to the acoustic frequency of 5 kHz and about 20 sec corresponding to the acoustic frequency of 21 kHz.

12. The system (100) as claimed in claim 1, wherein the plurality of agglomeration units (200) comprises four agglomeration units.

13. The system (100) as claimed in claim 1, wherein a flow path of gas mixture in the vertical duct (110) is in a range of 6m to 9m.

14. The system (100) as claimed in claim 1, wherein the plurality of agglomeration units (200) is positioned at a substantially middle portion of the vertical duct (110).

15. A method to reduce dust emission in a sinter plant (400), the method comprising:
receiving a gas mixture with solid particles from the sinter plant (400) at a pre-defined velocity;
agglomerating solid particles in the gas mixture, wherein the solid particles are agglomerated to a pre-defined size via a plurality of agglomeration units (200) with specific acoustic agglomeration parameters that comprises: an acoustic frequency, a sound intensity, an initial solid concentration in the gas mixture, and a residence time; and
separating the agglomerated solid particles from the gas mixture, via at least one electrostatic precipitator (ESP) (300).