Flue gas cooling and dust falling and receiving treatment device for pelletizing production and treatment method thereof
A treatment device and dust reduction device technology, applied in chemical instruments and methods, waste heat treatment, separation methods, etc., can solve problems such as production process fluctuations, ineffective cooling effects, and low dust removal efficiency, and achieve stable product quality and facilitate centralized collection , to avoid the effect of fluctuations
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Embodiment 1
[0047] The pellet production flue gas temperature and dust reduction and dust collection processing device of this embodiment includes: a roasting flue gas temperature reduction and dust reduction device 2; and a dust collection treatment connected with the roasting flue gas temperature and dust reduction device 2 through a dust reduction flue gas outlet pipe 28 Device 3; wherein: the roasting flue gas cooling and dust reduction device 2 includes: an air diversion mechanism 25, which can be a vertical or horizontal barrel structure, this embodiment adopts a vertical barrel structure with a diameter of 3400mm and a height of 4600mm, used to cool the entire device; inside the air diversion mechanism 25, and the air diversion mechanism 25 in a cavity ring sleeve structure flue gas cooling mechanism 23, also in the shape of a vertical barrel, diameter It is 3000mm and the height is 4000mm. As the temperature decreases, the density of large particles becomes larger and falls to the b...
Embodiment 2
[0049] The basic structure of the pellet production flue gas temperature reduction and dust collection treatment device of this embodiment is the same as that of Embodiment 1, and the differences and improvements are as follows: figure 1 As shown, the flue gas cooling mechanism 23 is in a closed barrel structure to prevent external airflow from fluctuating the flue gas during the entire process. The dust-containing flue gas introduction pipe 22 communicates with the top of the barrel structure, and the inner wall of the barrel structure is fixed. There is a downwardly extending dust baffle 221, so that large particles of smoke and dust collide on the dust baffle 221 due to inertia and gravity, and have enough time to cool down and fall; the dust reduction flue gas outlet pipe 28 is fixed on the upper part of the barrel structure On the side, the flue gas after dust reduction is led out through the pipe; the bottom of the barrel-shaped structure is in a closed shape, and is connec...
Embodiment 3
[0051] The basic structure of the pellet production flue gas cooling and dust collection and treatment device of this embodiment is the same as that of Embodiment 2. The difference and improvement are that the dust baffle 221 is in the shape of an inclined plate away from the dust reduction flue gas outlet pipe 28. The upper fixed end of an inclined plate is fixed on the top of the flue gas cooling mechanism 23, and separates the inlet of the dust-containing flue gas introduction pipe 22 and the outlet of the dust reduction flue gas outlet pipe 28, and the dust baffle 221 will greatly flow After the particles are blocked, they fall due to the effect of inertia, and the airflow speed of the flue gas is gradually reduced, which prolongs the flow time of the flue gas in the entire flue gas cooling mechanism, and further allows the large particles of smoke and dust to have enough time to cool and fall; The guide mechanism 25 has a cylindrical structure with a gradually closing upper...
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