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Help CenterMaite MWDF Horizontal Multi‑Stage Baffle‑Type Gas‑Liquid Separator
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This equipment is mostly installed upstream of vacuum pumps and magnetic‑levitation blowers to remove entrained moisture and liquid droplets from gas streams. It integrates multiple separation mechanisms including baffle‑type separation, wire‑mesh demister, deflector‑plate separator and cartridge‑filter principles. This high‑efficiency separator is specially engineered to tackle difficult gas‑liquid separation under negative‑pressure vacuum conditions.
Built‑in deflecting baffles are set at 30‑45° so as to stabilize incoming airflow and trap large‑size droplets. Stable separation performance can still be maintained under high‑speed or fluctuating gas‑flow conditions.The baffle stack forces the fluid to change direction repeatedly. Owing to the relatively high mass and inertia of suspended water droplets, dry‑gas flows past the baffles while droplets collide and adhere onto plate surfaces, with their kinetic energy reduced. The ample flow‑through area creates minimal airflow resistance. The spacious inner chamber enables droplets to settle under gravity and gather at the separator bottom.
Research on Spirax Sarco AS‑type steam‑water separators indicates that baffle separators achieve nearly 90 % separation efficiency at 10–30 m/s flow velocity. Therefore, baffle‑style units excel under fluctuating flow rates and are widely adopted for steam‑boiler pipelines.Design velocity within steam pipelines normally hits around 60 m/s, while inlet velocity of magnetic‑levitation vacuum pumps exceeds 20 m/s. High‑speed airflow easily carries fine droplets and hinders gravitational settling. Consequently, the front‑end primary baffle section of our multi‑stage separator is essential: it decelerates, intercepts and collects bulky droplets, and offers reliable protection for downstream separation components.
Vane‑shaped internals represent advanced separation inserts widely deployed in oil‑gas, petrochemical and chemical industries.When droplet‑laden gas enters the chamber, volumetric expansion completes preliminary separation. The airflow is then split into multiple confined passages by the high‑efficiency vanes. The gas is forced to alter its flow direction many times. Under inertial force, droplets strike the vanes, coalesce and cling to the surface.Combined effects of gravity, liquid surface tension and gas kinetic energy guide accumulated droplets into vane interlayers. Liquid streams converge and flow down to the condensate trough, then run through drainage tubes toward the separator bottom for discharge.Vane‑type separation combines inertial impaction, droplet adsorption‑coalescence and gravitational settling, delivering superior gas‑liquid removal efficiency, low operational pressure drop and broad working flexibility.
This stage adopts high‑density wire‑mesh demister pads. As mist‑carrying gas travels through the mesh at a given speed, inertial force makes tiny droplets collide and stick onto fine metal filaments. Mist spreads and settles on the wire surface, merging into bigger droplets that run toward wire junctions.Wire wettability, liquid surface tension and capillary action keep enlarging the droplets. Once the gravitational pull of accumulated droplets surpasses the sum of gas lifting force and surface tension, droplets break away and fall down. The outgoing gas is virtually free of entrained liquid water.
A complete wire‑mesh demister consists of knitted mesh pads, supporting grids and fixing brackets. Knitted gas‑liquid mesh can be made of various metallic wires. Mesh density is selected according to inlet moisture load; higher‑density mesh yields better separation efficiency.
Furthermore, our self‑developed gas‑liquid separation filter cartridge captures both large‑scale mist and micro‑fine droplets. It suits gas‑liquid separation equipment for chemical processing, petroleum operations, tower vessels and pressure‑vessel manufacturing.The filter cartridge uses imported high‑precision, high‑efficiency and low‑resistance filter medium matched with small‑bore filter cartridges. Rubber shrink‑resistant gaskets guarantee tight sealing. Stable filter‑material craftsmanship plus pleated construction delivers enlarged filtering area and high air throughput.Nevertheless, the cartridge brings 2‑5 kPa pressure loss. Hence it is recommended for high‑pressure vacuum systems.
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