A converter secondary flue gas capture device combined with air curtain
A secondary flue gas and converter technology, applied in the direction of manufacturing converters, etc., can solve problems such as low capture efficiency, and achieve the effects of improving capture effect, reducing energy consumption and saving energy consumption.
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Embodiment 1
[0042] This embodiment discloses a converter secondary flue gas collection device combined with an air curtain, including a dust collection hood 1 located above the converter 6 and the inverted tank 7, and the dust collection hood 1 includes a front baffle 11 and a top plate 13 , a plurality of air outlets 2 are distributed on the front baffle 11 of the dust collecting hood 1, and two sections of air ducts 3 are respectively connected to the two ends of the dust collecting hood 1, and it is characterized in that the dust collecting hood 1 also includes a rear baffle 12 arranged parallel to the front baffle 11, the front baffle 11, the top plate 13 and the rear baffle 12 are sequentially connected to form a hollow tank with an opening below;
[0043] Inside the hollow trough of the dust collecting hood 1, an air supply interlayer 14 and an air exhaust interlayer 15 are arranged, and the air supply interlayer 14 and the air exhaust interlayer 15 are arranged along the length dire...
Embodiment 2
[0079] This embodiment provides the experimental verification of the secondary flue gas trapping device in the first embodiment. In this embodiment, the CFD numerical simulation is used to conduct the hydrodynamic test. For the numerical simulation calculation of gas-solid two-phase flow, this embodiment adopts the discrete phase model (DPM), and DPM follows the Euler-Lagrangian method, starting from the particle of the fluid, tracking the movement of each particle of the fluid Throughout the whole process, the state changes of each physical quantity of the particle at each moment and each position are recorded. In Fluent, the Lagrangian method regards the fluid as the main component as a continuous phase, and the sparse phase as discrete particles. The mainstream phase uses Euler's method, while the discrete phase uses the Lagrangian method to track the particles. The limitation of this method is that the volume fraction of the discrete phase cannot be higher than 10-12%. T...
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Abstract
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