PURPOSE: To smooth a flow of powder as well as to make accurate quantitative feed performable to even the pressurization fed side, by installing a pressure feed tank, an intermediate storage tank and a feed tank all in a powder transport quantitative feed route.
CONSTITUTION: This feeder is constituted of a powder pressure feed tank 1 provided with a hopper 5 at the upper part, a pressure regulating intermediate storage tank 2 provided with a bag filter 16 inside as a solid-air separator and a feed tank 3 being connected to this intermediate storage tank 2 via a rotor valve 22 and provided with a cut-out device 4 at the lower part. Thus, these tanks 1, 2 and 3 are installed in a powder transport quantitative feed passage, regulating each pressure, and the powder is transported and supplied under the specified pressure of the whole route, and that powder block preventing air can be blown in these tanks 1, 2 and 3. Therefore, a flow of powder is made smoothable and, what is more, accurate quantitative feed is performable to even the fed side in pressurization as well.
MIURA YOSHIMASA
OGINO ETSUO
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