Custom Search
|
|
|
||
 General Formulas for Estimating Condensate Loads
TABLE 8-4.
Pounds/Hour of Condensate
Application
GPM
x
temperature
rise
`F
Heating water
2
GPM
x
temperature
rise
`F
Heating fuel oil
4
CFM x temperature rise `F
Heating air with
900
steam coils
AxUx ∆ T
Heating:
pipe coils
L
and radiation
2
A = area o f h e a t i n g s u r f a c e , f t
u = heat t r a n s f e r c o e f f i c i e n t
(2 for free convection)
AT = s t e a m t e m p e r a t u r e - a i r t e m p e r a t u r e , ` F
L = latent heat of steam, Btu/lb
TABLE B-5.
Estimating Condensate Loads
INSULATED STEAM MAIN
Pounds/Hour of condensate per 100 linear feet
at 70F (at 0F, multiply by 1.5)
Steam
Pressure
(psig)
2
4
6
12
8
10
10
30
6
12
16
20
24
46
30
10
18
40
41
51
60
13
32
58
22
125
17
80
30
44
55
68
122
300
25
46
64
103
600
37
124
154
182
68
95
8-23
|
 
|
|
|
||
