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Product Application
Mixed Ion Exchanger
During normal operation of mixed ion exchanger (mixed bed), cation and anion resins further remove soluble ions in water after mixing to a scale, and design into various combinations. Its effluent conductance may reach 1~18M-cm. In evenly mixed resin bed, the cation and anion resins are closely staggered. Each pair of cation and anion resin particle is similar to a group of double bed. The mixed bed is just like innumerable groups of double beds operating in series. The hydrogen ion and hydroxide ion in water after mixed ion exchange will immediately generate hydrone (H2O) with extremely low ionization degree, but barely form cation or countra-ion upon anion exchange so that the exchange reaction is thorough. Therefore, finished water with high purity can be extracted.
After the ion exchange resin exchange capacity in mixed ion exchanger is saturate, retexture is required immediately. Layer the cation and anion in the container for acid and alkali regeneration. Then remix the cation and anion with compressed gas. The regeneration process of mixed bed is more complicated than that of cation and anion beds. When the mixed bed resin bed loses efficacy, backwashing layering is required for the resin in the mixed bed to thoroughly separate the cation resin from anion resin, and regenerate, wash and recover the exchange caoacity of cation resin from anion resin before putting into operation. It can be applied in cation and anion exchanger, and preparing for high purity water through electrodialysis and reverse osmosis desalination equipment.
The effluent quality of the mixed bed is superior to that of double bed formed by cation and anion exchange column series connection, which can prepare high purity finished water. However, its regeneration process is more complex than that of cation and anion exchange column. In the meantime, it is low in regeneration efficiency and operation exchange capacity of regenerated resin, and is high in regeneration cost. Therefore, the mixed bed is generally used in occasions with low inflow saltness (deep desalination through grade I double bed desalination or precision processing of high purity water system) so as to extend the operating period, increase water yield, decrease regeneration frequency and give full play to the high quality effluent of mixed bed.
The equipment is widely applied in softening, desalination and pure water preparation installations of industrial water such as boiler, power station, textile, printing and dyeing, chemical engineering, electronics and pharmacy.
Character：
Speed：18m/h～30m/h
Pressure：0.1MPa~0.6MPa
Flow Rate：0.5m³/h～200m³/h
Temperature：５℃～40℃
Material：304、316L、Q235、FRP
Model：ф173～ф3200
operation：hand or auto
Regenerated Percentage: HCL or NaoH 3%～4%
Regenerated speed: 5m/h
Specification：
|
Name
|
Model
|
Flow Rate (m³/h)
|
In/outlet
|
|
FW11-003
|
ф173×2200
|
0.3
|
DN15
|
|
FW11-006
|
ф223×2300
|
0.6
|
DN20
|
|
FW11-010
|
ф300×2350
|
1.0-2.0
|
DN25
|
|
FW11-015
|
ф400×2400
|
2.3-3.0
|
DN32
|
|
FW11-020
|
ф500×2500
|
3.5-5.0
|
DN40
|
|
FW11-030
|
ф600×2600
|
5.0-7.0
|
DN40
|
|
FW11-060
|
ф800×3600
|
9.0-13.0
|
DN50
|
|
FW11-090
|
ф1000×3850
|
14.0-20.0
|
DN65
|
|
FW11-110
|
ф1200×3950
|
20.0-28.0
|
DN65
|
|
FW11-180
|
ф1400×4000
|
27.0-38.0
|
DN80
|
|
FW11-240
|
ф1600×4250
|
36.0-50.0
|
DN80
|
|
FW11-300
|
ф1800×4450
|
45.0-63.0
|
DN100
|
|
FW11-400
|
ф2000×4600
|
56.0-78.0
|
DN100
|
|
FW11-480
|
ф2200×4750
|
68.0-94.0
|
DN125
|
|
FW11-600
|
ф2400×4900
|
81.0-113.0
|
DN125
|
|
FW11-750
|
ф2500×5100
|
88.0-122.0
|
DN150
|
|
FW11-900
|
ф2800×5400
|
110.0-153.0
|
DN150
|
|
FW09-120
|
ф3000×5750
|
127.0～176.0
|
DN150
|
|
FW09-120
|
ф3200×5950
|
144.0～200.0
|
DN150
|
