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Sistemas de utilidad de Cleanroom
Purificador de niebla alcalina
Low-profile horizontal PP-H purifier using packed cross-flow contact, acid-compatible liquor recirculation and final droplet separation for compatible alkaline mist and basic vapours.
- Low-profile cross-flow configuration
- Acid-compatible loop for alkaline-vapour neutralization
- Accessible packing, spray and demister sections
Introducción del producto
The Alkali Mist Purifier is a horizontal packed-bed wet scrubber for compatible alkaline aerosol and water-soluble basic vapours, with ammonia and amines as the representative application basis. Exhaust passes across a uniformly irrigated packed section where a selected acidic wash liquor absorbs and neutralizes the basic contaminant. A downstream droplet eliminator separates entrained liquid before discharge, while the integral reservoir, corrosion-resistant pump, dosing tube and pH/level interfaces maintain the recirculation loop. The low-profile layout suits service floors or roof zones where a tall tower is impractical. Airflow, chemistry, inlet loading, residence time, purge rate, by-product control and material compatibility remain specific to the installed process.
Características clave
Random packing provides broad wetted area for absorption of compatible ammonia and amine vapours
An acid-compatible recirculation path supports controlled neutralization of alkaline contaminants
Two service covers separate packing and droplet-eliminator inspection tasks
The integral base reservoir limits external tank connections and supports a compact equipment footprint
A corrosion-resistant recirculation pump maintains spray flow across changing exhaust conditions
The final demister reduces carryover into the clean-side outlet and downstream duct
pH, level and dosing interfaces allow liquor condition to be maintained from measured process demand
Welded PP-H surfaces tolerate many dilute acid liquors when chemical and temperature limits are respected
Opposed end collars provide a clear straight-through duct path with accessible transitions
Preocupaciones del producto del cliente
Alkaline exhaust loads can change quickly, so liquor chemistry, pH control, packing condition and safe by-product removal must be managed as one system.
Water-only absorption may become unstable when ammonia loading increasesEvaluate an application-compatible dilute acid liquor and control dosing from measured pH and inlet load rather than a fixed timer.
Overfeeding acid can create corrosive carryover and unnecessary chemical consumptionUse proportional dosing, mixing time, calibrated probes and pH alarm limits suited to the intended neutralization reaction.
Ammonium salts or process solids can accumulate in packing and recirculation passagesDefine blowdown and make-up from mass balance and liquor testing, and provide access for flushing the bed, sump and nozzles.
Uneven flow across a horizontal bed can create bypass lanesUse inlet flow distribution and a correctly supported packed section, then verify pressure profile and wetting across the full face.
Mist released from the wash stage can damage downstream ductwork or create visible dischargeSelect demister type and face velocity for expected droplets and clean it when differential pressure or carryover begins to rise.
The same alkaline label can hide very different compounds and incompatible wash reactionsConfirm the complete gas composition, aerosols, temperature and upset cases before selecting liquor, plastics, seals and disposal route.
Aplicaciones típicas
Ammonia and amine exhaust from compatible chemical and formulation processesFertilizer, nutrient and nitrogen-compound handling ventilationWastewater headworks and sludge-processing odour controlFood, fermentation and rendering exhaust containing soluble basic odoursLaboratory and pilot-plant alkali handling areasBattery-material and specialty-chemical processes with alkaline aerosol or vapour
Parámetros técnicos
The displayed basis is a low-profile welded PP-H horizontal purifier approximately 900 mm wide and 2600 mm long, with an 8-12 mm fabricated wall, integral reservoir, one packed section and one droplet-eliminator section. In the site's fixed ten-row schema, Effective Width records cabinet width and Steel Facing Thickness confirms the absence of a separate metal facing. Final height, airflow, liquor chemistry, pump duty, packing, purge arrangement and exhaust fan are selected for the actual source.
| Materiales Core | Welded PP-H cross-flow enclosure and reservoir with polypropylene packing and demister, acid-compatible recirculation pump, piping and selected seals |
|---|---|
| Panel de espesor | 8-12 mm representative fabricated PP-H wall, adjusted for panel span, temperature, pressure and support geometry |
| Ancho efectivo | 900 mm representative overall purifier width for the selected compact horizontal catalogue basis |
| Longitud máxima | 2600 mm representative overall length including inlet, packed contact zone, demister and outlet transition |
| Acero frente a espesor | 0 mm separate steel facing; the displayed gas-contact cabinet and reservoir are fabricated PP-H |
| Densidad Core | Approximately 915 kg/m³ representative density for PP-H fabrication material |
| Conductividad térmica | Approximately 0.22 W/(m·K) near room temperature for representative PP-H material |
| Superficie acabada | Smooth warm-light-gray PP-H cabinet, dark-green pump, gray piping, amber dosing tube and restrained pH/level instrument colors |
| Tipo conjunto | Extrusion-welded PP-H shell seams with gasketed duct flanges, removable service covers, pump unions and sealed instrument bulkheads |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Horizontal cross-flow or vertical counter-current configurationPP-H, flame-retardant PP, PVC, FRP or selected alloy constructionWater or application-selected dilute acid scrubbing liquorSingle, dual or chemically separated packed stagesAutomatic pH dosing, make-up and conductivity-controlled blowdownMesh-pad or chevron droplet eliminator with wash connectionDuty/standby recirculation pumps and low-flow protectionLevel, flow, differential-pressure and temperature transmittersIntegral fan, remote fan or scrubber-only supply arrangement
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