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50 Kg / M3 Wire Mesh Demister
Hualai wire mesh pad demister designed to be used in Lubricant refinery tower
Wire Mesh Demister for Lubricant refinery tower:
The wire mesh demister increases production volume and yield ratio and improves production quality. As a result, the refining of solvent and white clay is practically rationalized.
Wire Mesh Demister Standard Specification (part):
Mist Eliminators Standard Specification
1.General
1.1Scope
A.This Standard Specification covers the general requirements for design, construction, fabrication, and material of Mist Eliminators specified in XXX Project Specifications.
B.Exceptions or variations shown in the Project Specifications take precedence over requirements shown herein.
1.2References
Unless noted below, use the edition and addenda of each referenced document current on the date of this Standard Specification. When a referenced document incorporates another document, use the edition of that document required by the referenced document.
A.American Society for Testing and Materials (ASTM) A-478, Specification for Chromium-Nickel Stainless and Heat-Resisting Steel Weaving and Knitting Wire.
B.ASTM B-164, Specification for Nickel-Copper Alloy Rod, Bar, and Wire.
Wire Mesh Demister Styles:
Mesh density (stainless steel) | Application |
| 50 kg/m3 | Heavy fouling, e.g. evaporators |
| 80 kg/m3 | Moderate fouling, e.g. vessel boilers |
| 110 kg/m3 | Light fouling |
| 145 kg/m3 | Heavy duty, e.g. oil and gas separators |
| 170 kg/m3 | General purpose, not totally clean |
| 195 kg/m3 | Optimum efficiency & pressure drop |
| 240 kg/m3 | High density with high separation efficiency |
| 112 kg/m3 | General purpose, clean service |
| 145 kg/m3 | Find droplet removal in clean service |
Where are wire mesh DEMISTER units used?
Knockout drums and separators – save on capital costs by decreasing vessel size-recover costly fatty acids from stream-reduce compressor maintenance by preventing scale build-up.
Absorbers – reduce overhead losses of glycols in dehydrators to no more than 0.1 gal/MMSCF natural gas-cut losses of absorption oil and amines in CO2 systems.
Scrubbers – reduce chemical discharges from Kraft mill smelt dissolver tank to less than 0.11 kg/dry ton (0.25 lb/dry ton) of pulp-improve scrubber efficiency by removing particulates carried in entrained liquids.
Distillation columns – improve product purities and increase throughput capacities for petrochemicals, organic intermediates, fine chemicals.
Evaporators – prevent carryover loss of valuable products, keep condensate TDS <10 ppm for highest quality boiler feed water-clean up vacuum ejector stream discharge-lower maintenance in vapor re-compression systems.
High pressure steam systems – provide dry steam- cut TDS to <10 ppb in condensate-eliminate build-up on turbine blades.
Refinery towers – increase throughput capacity-take deeper cuts for greater product yields – prolong catalyst life in downstream cracking and reforming units by reducing carbon and metals in side draws-use lower grade crudes.
Wire Mesh Demister Installation:
