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Expired
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Walter Kitto
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Individual
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Publication of GB190400831ApublicationCriticalpatent/GB190400831A/en
831. Kitto, W. Jan. 12. Dust, confining and expelling on generation. - In a ball-and-ring mill for grinding cement &c., openings a<23> are made adjacent to the crushing path and communicate with an air - inlet conduit A<9>, a baffle a<24> above the openings directing the air towards the balls A<2>. The hood A<7> surrounding the crushing path, is connected by a conduit A<8> to a collecting- chamber, whence the air, after depositing its suspended particles, may return to the openings a<23> by a pipe a<25>. An exhaust fan is connected to the conduit A<8>, or a blower to the conduit A<9>, and a tube a<26> open to the atmosphere supplies external air for cooling the air present in the apparatus.
GB190400831D1904-01-121904-01-12Improvements in Crushing or Pulverizing Apparatus
ExpiredGB190400831A
(en)
An improved method and apparatus for the purification of air in industry, pertainingto the incidence of dust and bacteria therein, in the prevention of occupational diseases