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Degassing membrane
Kaijie Membrane Contactors:一、Large flow external pressure type degassing membrane;二、Internal pressure type degassing membrane;
一、Technology and application of the large flow degassing membrane
(一).Structure diagram(High pressure resistant & External pressure type) Figure 1

(二).Characteristics of the large flow degassing membrane:
1.By the technique of continuous control stretching,to precise control the porosity and pore size of the membrane;
2. Through the special hydrophobic treatment, according to the number of 2000 membrane silks as a bundle, the membrane hole into the pure water (pressure:0.30Mpa) are pre-detecting of membrane silks, pick out the broken hole membrane silks, to ensure the finished membrane silks permanent "breathable impervious";
3. The membrane silk after the special pre-detecting,using the special weaving process,making the membrane silks in the form of winding shape in the internal component,filling more uniform,gas / water contact surface effectively,and the degassing efficiency is greatly improved;
4. Packaged of membrane element, set the middle plate,making the gas/water on both sides of the contact more fully, the effect is better;
5. Packaged of membrane element, using the PE mesh grille to wrap membrane silk,to ensure that wont thrust membrane silks under high hydraulic pressure,and have a certain effect on the blocking flow,making contact with water and the gas phase membrane silk more uniform;
6.Liquid inlet temperature:about 25℃,pressure≤0.6Mpa;temperature:60℃,pressure≤0.2Mpa。

二. Internal pressure type degassing membrane
(一)Structure diagram

(二)Characteristics of the internal pressure type degassing membrane:
1.By the technique of continuous control stretching,to precise control the porosity and pore size of the membrane;
2. Through the special hydrophobic treatment, according to the number of 2000 membrane silks as a bundle, the membrane hole into the pure water (pressure:0.30Mpa) are pre-detecting of membrane silks, pick out the broken hole membrane silks, to ensure the finished membrane silks permanent "breathable impervious";
3.Liquid inlet temperature:about 25℃,pressure≤0.2Mpa(The differential pressure of liquid inlet and vacuum is smaller than 0.3Mpa);temperature:60℃,pressure<0.1Mpa;

The membrane wall hole

The size of hollow fiber membrane


The picture of the amplification degassing membrane silk

The membrane silk after weaving


Degassing membrane specific parameters

(一)Parameters of large flow degassing membrane

Model

Inner/outer diameter

Design fluxT/H

Connector type

Sizemm

L1

L2

D1

D2

KJ-6X28WB

200/300µm

1。0~5。5

Flange

768

1012

40

160

KJ-SH6X40WB

1.0~7.5

UPVC

1035

1260

40

160

KJ-SH8X40WB

4.0~12.0

UPVC

1210

1257

50

200

KJ-SH10X40WB

4.0~20.0

DN50

COUPLING

1070

1210

60

250

Porosity

3840%;4555%

(Membrane/ adhesive material)

Special processing of pp/polyurethane

(Max pressure/

Temperature)

250.60Mpa;60, 0.20Mpa

PH range

114


(二).Parameters of internal pressure type degass ing membrane

Model

Inner/outer diameter

Design fluxT/H

Pressure/

temperature

Sizemm

L1

L2

D1

D2

KJ-H4X28MB

350~370/450~470µm

0.3~0.9

250.20Mpa

60, 0.10Mpa

920

1073

32

90

KJ-SH4.8X28MB

0.6~1.6

1066

1290

32

119

KJ-5X28MB

0。6~2。0

830

1054

32

140

KJ-H6X28MB

1.0~3.3

1050

1420

40

160

KJ-SH7X28MB

1.2~4.3

1035

1405

50

180


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