Vertical Scrubbers
Vertical Scrubbers
Vertical scrubbers, also called Countercurrent Scrubbers, provide the most efficient removal of acid gases evolved from processes using hydrochloric acid, nitric acid, and hydrofluoric acid.
Generally, this type of scrubber works in two phases:
- In the first stage, it removes nearly all the contaminant from the air flow, and is repeatedly wetted.
- The second and final phase is handled by a mist eliminator.
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Overflow Weir Liquid Distribution Systems
Vertical Scrubber Weir 1 KCH overflow weirs provide superior liquid coverage with 12 drip points per square foot, eliminate clogging nozzle problems, significantly reduce carry over mist problems created by nozzles, are capable of high to low turndown, and reduce energy requirements compared to spray header systems by as much as 1/3. KCH's overflow weir systems are designed and fabricated in house. Each unit is designed for a specific flow rate and turndown capability. Units can be constructed of PVC, CPVC, or PP. Each individual weir trough is capable of being leveled in the field for exact flow control.
Vertical Scrubber Weir 2To the right is an action photograph of scrubbing liquid overflowing "V" notches on a weir trough down toward the packing. The scrubbing liquid is first fed through a manifold pipe from the pump, then pours into a single distribution box where it exits through a series of side spouts aligned over individual weir troughs. The cascading action fills each weir trough and the liquor pours over the field adjustable "V" notches thus creating the entire overflow weir distribution system custom designed and fabricated by KCH Services, Inc. for your scrubber.Industry News
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05/24/2011