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Electrostatic gas-scrubber and method

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专利汇可以提供Electrostatic gas-scrubber and method专利检索,专利查询,专利分析的服务。并且A method for separating dust from a gas and a gas-scrubber in which droplets of a liquid which is evaporable in the milieu prevailing in the gas are mixed with the gas, and in which the droplets ejected into the gas are electrically charged and are brought to a potential such that the surface charge density of the droplets substantially corresponds to an electric field strength equalling the brakedown field strength of the gas. The droplets thus charged and while carried by the gas are passed with the gas through a gas flow zone in which the droplets are exposed to evaporation, to cause a self-maintained discharge of the electric charge of the droplets due to a tendency of increase of field strength in the vicinity of a droplet as the droplets are diminished during evaporation. Thereby the charges carried by the droplets are transferred to the dust particles carried by the gas and thereafter the gas carrying the particles thus charged and any remaining droplets, are passed through an electric filter for separating the dust particles thus charged from the gas.,下面是Electrostatic gas-scrubber and method专利的具体信息内容。

  • 2. An apparatus for removing dust from a gas, said apparatus comprising a duct having an inlet and an outlet, an electro-filter for separating electrically charged dust particles from the gas, said electro-filter being located in said duct, means for applying an electrical charge to the dust particles in said duct carried by the gas, the latter said means being located upstream of said electro-filter and comprising means for injecting droplets of a liquid into the gas, means for applying an electrical charge to said droplets, and means for supplying heat to the droplets in said duct between the location of said means for applying the electrical charge to said droplets and said electro-filter to cause evaporation of said droplets and transfer of the charge to said dust particles before the gas passes into the electro-filter, said means for injecting the droplets of liquid comprising a nozzle facing said inlet for injecting the droplets in counter-current with the supplied gas, said means for applying an electrical charge including an electrode adjacent said nozzle.
  • 3. Apparatus as claimed in claim 2 wherein said means for supplying heat to evaporate the droplets comprises electrical heat radiators disposed in said duct between the nozzle and the electro-filter.
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