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Steam Boiler Take Wire Mesh Demister

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Steam Boiler Take Wire Mesh Demister

Steam Boiler Take Wire Mesh Demister
Steam Boiler Take Wire Mesh Demister Steam Boiler Take Wire Mesh Demister

Large Image :  Steam Boiler Take Wire Mesh Demister

Product Details:
Place of Origin: Hengshui
Brand Name: Hualai
Certification: ISO 9001-2015
Model Number: HL-144
Payment & Shipping Terms:
Minimum Order Quantity: 1 pc
Price: negotiation
Packaging Details: wooden box
Delivery Time: 5-8 working days
Payment Terms: T/T, L/C
Supply Ability: 999 pcs per month

Steam Boiler Take Wire Mesh Demister

Description
Wire Size: Customer Order Shape: Any Shape Needed
Mesh Thickness: As Per Customer Design Mesh Density: 144, As Per Requirement
Size: As Per Design Material: As Per Order
High Light:

wire mesh pad

,

mesh pad demister

 

Some kinds of steam boiler take wire mesh demister as important parts

 

 

Wire Mesh Demister Design :

 

2.1General

A.Size, style, thickness, configuration, and materials are specified in XXX Project Specification – Vessels.

B.Mist Eliminator styles are defined as follows:

C.Style G is a mesh blanket having a variable knitted density. The vapor inlet section is the least dense and the outlet section the densest. Typical inlet/outlet knitted mesh densities are 5 lb/ft3 (80.1) and 9 lb/ft3 (144.2). The customer can require variable density blankets having slightly different knitted densities and wire diameters.

Style V is to be determined by the vendor, based on the process conditions provided by customer. Vendor may determine the mist eliminator type best suited to meet the mist elimination requirement. The selected style may include a mesh pad, vane or a combination of mesh & vanes. The mist eliminator may be oriented vertically, horizontally or at an angle determined by the vendor. A single pad of variable knitted density may also be applied.

 

2.2Construction

A.Mist Eliminators shall be fabricated in one piece or in the minimum number of sections required for insertion through the vessel manway.

B.Mesh pads shall fit tightly into the pad containment system.

C.Mesh pad layers shall not be more than 9 inches (230 mm) thick. Where more than one layer is required, joints shall be staggered.

D.One-piece circular mesh pads may be spiral in form.

 

2.3Supports and Grids

A.The general arrangement of Mist Eliminator supports and grids shall be as factory habit unless required by customer.

B.Final details of Mist Eliminator supports and hold down grids can also be furnished by the Mist Eliminator supplier.

C.The Mist Eliminator supplier shall furnish details of components attached to the vessel to the vessel fabricator in time to permit installation without altering the vessel fabrication schedule.

D.Each section of the mesh pad shall include a grid on each side.

E.Style G mesh pads shall be furnished with an inlet and an outlet rigid welded grid. The outlet grid and blanket outlet zone of the Style G mesh pad shall be distinctly marked “Outlet”.

F.Spiral mesh pads shall include X-type grids on both sides.

 

2.4Fastening Devices

As the Mist Eliminator fabricator we can supply wire ties or other devices to fasten the Mist Eliminator sections to the supports, attach the grids to their vessel supports, and where multiple layer Mist Eliminators are necessary, to secure the layers together.

 

Metal Wire Mesh Pad Demister Type and Applications

 

Wire Dia.

mm

Mesh Density

Kg/m3

Surface Area

M2/m3

Normal Micron Rating Application
0.15 195 650 3 Very high efficiency in clean service
0.15 145 480 4 Fine droplet removal in clean service
0.15 112 375 5 General purpose in clean service
0.28 195 355 5 Optimum efficiency & pressure drop
0.28 170 310 6 General purpose not totally clean
0.28 145 265 8 Heavy Duty e.g. Oil & Gas Separators
0.28 110 200 10 Light fouling
0.28 80 145 12 Moderate fouling


Working Theory of Wire Mesh Demister

 

The mesh pad mist eliminator is designed to collect liquid particles contained in the vapour phase after boiling, vacuum evaporation or bubbling process.

Small droplets in the gas contact the wide surface of the filaments of the mesh pad mist eliminator, gradually grow into large liquid droplets and flow and drop by a special structure accelerating the coalescing of the liquid droplets. The mesh pad of the mist eliminator is highly porous, so the vapour gas passes through the mist eliminator without hindrance, leaving only pure gas.

The process is not a type of filtering as the hole size of the knit mesh is not specially related to the size of the liquid droplets. This mist elimination is caused by the collision and sudden change resulting from the flowing speed of the small liquid droplets, and the coalescing of the liquid drips and gravity cause their descent.

This is a process combing mechanical and physical phenomenon.

 

Wire Mesh Demister Delivery:

 

Steam Boiler Take Wire Mesh Demister 0

Contact Details
Anping Hualai Metal Wire Mesh Co.,Ltd

Contact Person: AnnLi

Tel: +8613333087316

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