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stainless steel knitted wire demister pad,mist eliminator pad

Categories demister pad/eliminator,knitted wire mesh
Place of Origin: China
Certification: ISO9001
Price: negotiable
Packaging Details: wooden box
Delivery Time: within 30 days
Payment Terms: TT
MOQ: 1 set
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    stainless steel knitted wire demister pad,mist eliminator pad

    1.DEMISTER INTRODUCTION

    A demister, or also known as mist eliminator, is a high efficiency separation device often fitted to vapor liquid separator vessels to enhance the removal of liquid droplets entrained in a gas or vapor stream. Demisters may be a mesh type coalescer, vane pack or other structure intended to aggregate the mist into droplets that are heavy enough to separate from the vapor stream.

    Mist eliminators/ demisters are fabricated from knitted materials with interlocking asymmetrical loops of metal or plastic with typical diameters being 0.1 – 0.3mm. Special applications for wire diameter 0.35mm to 0.024mm, tube width 1/4" to 42" diameter.

    2.DEMISTER Materials:

    Stainless Steel wire: 200, 300 and 400 series-AISI201,202,301,302,304,304L,321,316,316L,410S, etc.

    Copper wire, Aluminium wire, Nickle wire, Titanium wire, Inconel, Monel, Hastelloy wire...

    Plain Steel, Galvanized Steel...

    Polypropylene, Polyethylene, PVC, Teflon(PTFE), Nylon, etc.

    Stainless steel wire with cotton thread, fiber glass, etc.

    3.DEMISTER Patterns:

    1.1 properties of standard wire mesh

    Size of steel wire dia (mm)

    Width tolerance(mm)

    Density(kg/m3)

    Specific surface area

    Free Volume

    (m2/m3)

    ε

    Flat wire

    Round wire

    10

    150

    475

    320

    0.981

    0.1*0.4

    0.23

    0

    Note: Each mesh mat of 100mm thickness is composed by 25 layers of wire mesh.

    1.2 properties of high-efficiency type wire mesh

    Size of steel wire

    (mm)

    Width tolerance(mm)

    Density(kg/m3)

    Specific surface area

    Free Volume

    (m2/m3)

    ε

    Flat wire

    Round wire

    10

    182

    626

    484

    0.977

    0.1*0.4

    0.23

    0

    1.3 properties of high-penetration type wire mesh

    Size of steel wire dia (mm)

    Width tolerance(mm)

    Density

    (kg/m3)

    Specific surface areaα

    Free Volume

    (m2/m3)

    ε

    Flat wire

    Round wire

    10

    98

    313

    217

    0.9875

    0.1*0.4

    0.23

    0

    Note: Each mesh mat of 100mm thickness is composed by 20 layers of wire mesh.

    It is also available to be designed and made according to the parameter provided by user.

    4.FIXING METHODS&GRID

    The demister should be horizontally fixed and supported. At the bottom or both the top and the bottom, a support grid which is welded with FB 25X3t, RB6Ø of the same material as that of the demister pad at proper intervals (APP150mm), is used. For fixing the grid and the pad, RB6Ø or 1.6Ø tie wire is used. The way of fixing is as per the below figure.

    5.DEMISTER FEATURES (Mesh Pad type)

    1).It shows 99% efficiency under general conditions and velocity (1~3m/sec or higher).

    2). Over 98% open area is guaranteed under any conditions so pressure drop caused by the use of the demister can be disregarded (0.1”~1.0 W/G).

    3). It can be made of any material suitable for the given temperature and corrosion-resistance.

    4). It is possible to install by use of M/H so it is easy to handle.

    5). There is no restriction in the conditions, place, and size for use. It is install-able on the existing systems.

    6). Self-cleaning is possible. It is semi-permanent so it is economical.

    6.USE OF DEMISTER

    1).Vacuum Tower - The treatment quantity by the demister goes up by 35%. The quality of oil gas is improved.

    2). Absorber - Some gasoline plants use a glycol absorber (Demister mounted) so the installation cost is being repaid within a month.

    3). Knockout Drums and Separators - If Demister is used, ⅓inch drum is sufficient.

    4). Gas Separator Vessels - Hydrocarbon in gases is collected so gas of 1/0.1 billion purity is produced out.

    5). Evaporator - Product loss goes down and purity is remarkably improved.

    6). Scrubber - In the field of caustic soda, the demister is used to prevent air pollution.

    7). Distillation Column - If Demister is used, the cost for distillation goes up, the quantity of treatment increases by 20%, and purity is remarkably improved.

    8). Dust Collectors - The dust collector of a wet type has excellent collection capacity.g is possible. It is semi-permanent so it is economical.


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