| Increasing demand of cast iron or cast metal, more and more cupolas and its facilities have been installed, which have resulted in the increase of the amount of dust and exhaust gas. Consequently it has become one of the important problems to remove them. And author manufactured for trial a new apparatus by which the following jet condition, jet water, the efficiency of removing dust can be obtained. According to the experiment, when contained gas and jetting waterdrops were made to run perpendicularly by letting waterdrops jet in radius direction from the center of the cylinder the highest efficiency could be obtained, with lower price and less water quantity the conventional Venturn Scrubber or Cyclone Scrubber. In that case, it was shown that the ability of absorbing the dust was highest when the diameter of the jet waterdrops is 0.4-1.1 ㎜ø. The amount of water was most suitable when it was 70 to 110ℓ/min, and its efficiency was 92.5%, which means the dispersed amount of dust in the air 0.884gm/Nm³ against the whole amount of dust 5.8gm/Nm³. Judging from the result of this experiment, author thinks that the investigation in the hydro-mechanical way for the formation of the most suitable group of waterdrops will make it possible to obtain the dust-removing apparatus with simple structure and higher efficiency. |
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