Page 260 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

232 Applied Process Design for Chemical and Petrochemical Plants

Table 4-5
Applications of Dust Collectors in Industry
COLLECTOR TYPES USED IN INDUSTRY
Concen- Particle Cyclone High Eff. Wet Fabric Hi-Volt See
tration Sizes Centrif- Collector Arrester Electro- Remark
static
Operation ugal -____-- No.
---
Ceramics
a. Raw product handling light fine rare seldom frequent frequent no 1
b. Fettling light fine to rare occasional frequent frequent no 2
medium
c. Refractory sizing heavy coarse seldom occasional frequent frequent no 3
d. Glaze & vitr. enamel spray moderate medium no no usual occasional no
Chemicals
a. Material handling light to fine to occasional frequent frequent frequent rare 4
moderate medium
b. Crushing grinding moderate fine to often frequent frequent frequent no 5
to heavy coarse
c. Pneumatic conveying very fine to usual occasional rare usual no 6
heavy coarse
d. Roasters, kilns, coolers heavy med-coarse occasional usual usual rare often 7
Coal Mining and Power Plant
a. Material handling moderate medium rare occasional frequent frequent no 8
b. Bunker ventilation moderate fine occasional frequent occasional frequent no 9
c. Dedusting. air cleaning heavy med-coarse frequent frequent occasional often no 10
d. Drying moderate fine rare occasional frequent no no 11
Fly Ash
a. Coal burning-chain grate light fine no rare no no no 12
b. Coal burning-stoker fired moderate fine to rare usual no no rare
coarse
c. Coal burning-pulverized fuel heavy fine rare frequent no no frequent 13
d. Wood burning varies coarse occasional occasional no no no 14
Foundry
a. Shakeout light to fine rare rare usual rare no 15
moderate
b. Sand handling moderate fine to rare rare usual rare no 16
medium
c. Tumbling mills heavy med-coarse no no frequent frequent no 17
d. Abrasive cleaning moderate fine to no occasional frequent frequent no 18
to heavy medium
Grain Elevator, Flour and Feed Mills
a. Grain handling light medium usual occasional rare frequent no 19
b. Grain dryers light coarse no no no no no 20
c. Flour dust moderate medium usual often occasional frequent no 21
d. Feed mill moderate medium usual often occasional frequent no 22
Metal Melting
a. Steel blast furnace heavy varied frequent rare frequent no frequent 23
b. Steel open hearth moderate fine to no no doubtful possible probable 24
coarse
c. Steel electric furnace light fine no no considerable frequent rare 25
d. Ferrous cupola moderate varied rare rare frequent occasional occasional 26
e. Non-ferrous reverberatory varied fine no no rare ? ? 27
f. Non-ferrous crucible light fine no no rare occasional ? 28
Metal Mining and Rock Products
a. Material handling moderate fine to rare occasional usual considerable I 29
medium
b. Dryers, kilns moderate med-coarse frequent frequent frequent rare occasional 30
c. Cement rock dryer moderate fine to rare frequent occasional no occasional 31
medium
d. Cement kiln heavy fine to rare frequent rare no considerable 32
medium
e. Cement grinding moderate fine rare rare no frequent rare 33
f. Cement clinker cooler moderate coarse occasional occasional ? ? ? 34
Metal Working
a. Production grinding, scratch
brushing, abrasive cut off light coarse frequent frequent considerable considerable no 35
b. Portable and swing frame light medium rare frequent frequent considerable no
c. Buffing light varied frequent rare frequent rare no 36
d. Tool room light fine frequent frequent frequent frequent no 37
e. Cast iron machining moderate varied rare frequent considerable considerable no 38