Apparatus for automatically measuring dust concentration in flue

Details Apparatus for automatically measuring dust concentration in flue Apparatus for automatically measuring dust concentration in flue

1994-09-07

1996-11-05

Williams, Hezron E.

Measuring and testing

Gas analysis

Solid content of gas

73 2804, 7386325, G01N 3700

Patent

active

055719465

ABSTRACT:
An apparatus for automatically measuring dust concentration in flue gas includes (a) a sampling unit for sampling dust in flue gas; (b) a measuring unit for measuring a gas flow of the flue gas; and (c) a feeding and weighing unit for feeding and weighing a filter paper for filtering the sampled gas, the feeding and weighing unit including (i) a filter paper cassette for storing the filter paper, (ii) a filter paper stocker for storing a plurality of the filter paper cassettes, (iii) a cassette pusher unit for pushing a filter paper cassette out of the filter paper stocker, (iv) a filter paper ascending unit for raising the filter paper, (v) a filter paper drier for drying the filter paper, (vi) a filter paper transfer arm for transferring the filter paper between the filter paper cassette, the filter paper ascending unit and the filter paper drier, (vii) a vibration-free balance for balancing the filter paper, and (viii) a hot air generation unit. A controlling unit is provided for transmitting data among the dust sampling unit, the measuring unit, and the feeding and weighing unit and for controlling a sequence of operations thereof.

REFERENCES:
patent: Re31232 (1983-05-01), Butera
patent: 4170127 (1979-10-01), Butera
patent: 4214480 (1980-07-01), Butera
Method of Measuring Dust Concentration in Flue Gas, pp. 647-661, JIS (Japanese Industrial Standard) Z-8808, 1992, Japan.

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