13
CONTINUOUS FLOW DRYING.
High-low or modulating valve (continuous flame) is recommend for high
temperature continues flow drying. High-low burners cycle between high and low flame for more even
temperature control. It is NOT for low temperature drying.
BATCH-IN-BIN OR STIR DRYING:
Thermostat, high-low or modulating valve units may be used for these
styles of drying.
LPG TANK SIZE (GALLONS) FOR VAPOR WITHDRAWL*
BTU/HR**
LOWEST AVERAGE 24-HR OUTDOOR TEMPERATURE (F)
32
20
10
0
-10
-20
-30
125,000
115
115
115
250
250
400
600
250,000
250
25
250
400
500
1000
1500
375,000
300
400
500
500
1000
1500
2500
500,000
400
500
750
1000
1200
2000
3500
750,000
750
1000
1500
2000
2500
4000
5000
Source: LP Gas Handbook of Technical Data (Fisher Controls Co.)
*Tank is assumed to be half full
** Average rate in 8hr period.
B - L P L IQ U ID
S ID E V IE W
C- NATURAL GAS