FOREST SERVICE WATER SPRAT DRY KILN. 
» 
with center spray chamber, to take the place of the water sprays 
during the final stage of the drying period under conditions where 
the use of the coils is considered advisable or economical. 
Pumping equipment is provided to recirculate the used water 
which drams from the spray chambers and to supply cold water 
(and hi some instances, hot water) to the water mixing valve, and 
from there to the sprays. 
:==S^ 
££c r/d/v- 0-0. ft ayouftz) 
Fig. 4.— Battery of 11 kilns with, covered arcade and transfer track. 
SELECTION OF KILN SITE. 
Efficiency in handling stock depends primarily upon the location 
of the kilns in relation to the incoming green lumber from the mill 
and the disposal of the lumber to the shops or otherwise after leaving 
the kilns. Figures 3 and 4 show typical arrangements of kilns in 
batteries, and may be readily altered to suit any ordinary require- 
ments. 
