Tower
Molecular sieve dehydration tower
NameNameParameterParameterNameNameParameterParameterDesignpressure(MPa)Designpressure7.9Designtemperature(℃)Designtemperature-29/+240MediumMediumFEEDGASrawgasCorrosionallowanceC2(mm)Corrosionallowanc...
Detailed
Name Name
Parameter Parameter
Name Name
Parameter Parameter
Design pressure (MPa)
Design pressure
7.9
Design temperature (℃) Design temperature
-29 / + 240
Medium Medium
FEED GAS raw gas
Corrosion allowance C2 (mm)
Corrosion allowance
3
Welded joints coefficient φ
Welded joint coefficient
1
Cylinder diameter (mm)
Internal diameter of shell
2400
Barrel length (mm)
Length of shell
4500
Load cycles (times / year) Load
circulating times (times / year)
365
Life (years)
Service life
(year)
20
Design cycles n (times)
Design circulating times n (times)
365 × 20 = 7300
Cylinder, spherical head Material Material of
shell, spherical head
16MnDR
Takeover, flange material
Material of connecting tube, flange
16MnDⅢ
Parameter Parameter
Name Name
Parameter Parameter
Design pressure (MPa)
Design pressure
7.9
Design temperature (℃) Design temperature
-29 / + 240
Medium Medium
FEED GAS raw gas
Corrosion allowance C2 (mm)
Corrosion allowance
3
Welded joints coefficient φ
Welded joint coefficient
1
Cylinder diameter (mm)
Internal diameter of shell
2400
Barrel length (mm)
Length of shell
4500
Load cycles (times / year) Load
circulating times (times / year)
365
Life (years)
Service life
(year)
20
Design cycles n (times)
Design circulating times n (times)
365 × 20 = 7300
Cylinder, spherical head Material Material of
shell, spherical head
16MnDR
Takeover, flange material
Material of connecting tube, flange
16MnDⅢ