Induced-draft counterflow cooling tower with top axial fan

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Induced-Draft Counterflow Cooling Tower (Gegenstromkühlturm)

A compact evaporative heat-rejection tower that draws air upward through wetted fill while condenser water descends into an accessible collection basin.

Counterflow Air-Water Contact
Top-Mounted Induced Draft
Corrosion-Resistant FRP Shell
Serviceable Fill and Basin

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Produkteinführung

The induced-draft counterflow tower uses a top axial fan to draw ambient air upward against warm condenser water distributed above the fill. Evaporation removes heat before cooled water collects in the lower basin and returns to the refrigeration plant. A square FRP casing, removable louvers and modular fill pack provide a compact alternative to crossflow arrangements where footprint matters.

Key Features

Counterflow air and water paths distribute heat transfer across the full fill depth.

The fan at the discharge draws air uniformly through lower inlet louvers and reduces recirculation at the intake.

FRP casing panels and stainless support members resist continuous wet service and treatment chemistry.

Access doors, removable fill cassettes and an open basin support inspection of water-contact components.

Kunden Produktbedenken

A cooling tower must reject the design load while controlling footprint, water distribution and maintenance access.

Limited roof area restricts the size of heat-rejection equipment.A vertical counterflow path concentrates fill depth and fan discharge within a compact square plan.

Uneven spray distribution leaves dry fill zones and reduces capacity.A full-coverage header and serviceable nozzles wet the modular fill pack uniformly.

Drift can carry treatment chemicals beyond the tower.Dedicated drift eliminators change exhaust-air direction and capture entrained droplets.

Basin sediment blocks strainers and accelerates corrosion.Accessible sloped basin surfaces, drain points and removable strainers simplify routine cleaning.

Typische Anwendungen

Cleanroom chiller condenser-water systemsPharmaceutical process-cooling loopsHospital central plantsElectronics-factory HVACIndustrial refrigeration heat rejection

Technische Parameter

Representative physical construction ranges for a modular counterflow tower are listed below.

Core Material	PVC fill media inside fiber-reinforced polymer casing
Panel Dicke	3-6 mm molded FRP casing panel thickness
Effektive Breite	1000-3200 mm nominal tower cell width
Maximale Länge	Up to 6500 mm for multi-cell assemblies
Stahl facing Dicke	1.5-3.0 mm stainless or hot-dip-galvanized basin/support sheet
Kerndichte	30-60 kg/m³ typical PVC fill-pack density
Thermische Leitfähigkeit	Approximately 0.19 W/(m·K) for rigid PVC fill material
Oberfläche Finish	Smooth UV-stabilized FRP exterior with passivated or galvanized hardware
Gemeinsamer Typ	Bolted gasketed casing panels with modular clipped fill cassettes and flanged water ports
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Verfügbare Optionen

Single-cell or multi-cell configurationPVC or higher-temperature polypropylene fillVariable-speed fan drive and vibration switchStainless basin, electric basin heater and low-noise fan

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