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HEBEIOUTAI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

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Spray Tower

Name: Spray Tower
Brand: HEBEIOUTAI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

A Spray Tower (also known as a Scrubber Tower or Acid-Base Spray Tower) is a fundamental and highly effective air

pollution control device used to remove gaseous pollutants and particulate matter from industrial exhaust streams.

Operating on the principle of gas-liquid contact, it uses a system of nozzles to create a fine mist of scrubbing liquid

(often water or a chemical reagent). As the contaminated gas flows upward, pollutants are absorbed and neutralized

through this spray, making it an ideal solution for fume scrubbing, acid gas control, and cooling applications.

When constructed from Polypropylene (PP), it offers superior corrosion resistance against harsh chemical fumes.

What is a Spray Tower?

A Spray Tower is a vertical gas–liquid contact equipment designed to remove contaminants from industrial exhaust streams. Inside the tower it contaminated gas moves upward while a scrubbing liquid (usually water or chemical solution) is sprayed downward through nozzles. This counter-current contact between gas and liquid ensures the absorption, neutralization or dissolution of pollutants.

Spray towers are widely used in industries requiring odor control, acid gas removal, particulate scrubbing and chemical fume treatment.

Why Spray Tower is necessary?

A Spray Tower is crucial for industrial operations because:

Removes Harmful Pollutants: It Captures toxic gases such as HCl, SO₂, NOx, NH₃, HF, and chemical vapors.
Meets Environmental Regulations: the system Ensures compliance with strict air emission standards.
Protects Worker Safety: It Prevents employees from exposure to corrosive and hazardous fumes.
Minimizes Environmental Impact: It Reduces air pollution and acid rain-causing emissions.
Versatile for Multiple Industries: It Suitable for electronics, chemical plants, pharma, food processing, and metal finishing.

Why Choose SENOTAY for Your Spray Tower System

Senotay manufactures ten spray tower configurations under one product line, covering PP, FRP, PVC, and stainless steel construction so a facility can match tower material to its specific gas chemistry rather than adapting one general-purpose design to every application. Removal efficiency ranges from 85 to 99 percent depending on tower type and pollutant, with operating temperatures spanning minus 20 degrees Celsius for standard PP construction up to 180 for the stainless steel high-temperature line. Chemical and pharmaceutical plants typically start with the PP or Acid-Base configuration for standard acid and alkali fume control, then move to the Packed Bed or Multi-Stage design when a single pass doesn't reach required removal efficiency. Electroplating and semiconductor facilities rely on the PVC and FRP variants specifically for their resistance to the mixed corrosive vapors those processes generate. Hebei OuTai Environmental Protection Equipment Co Ltd manufactures the full Spray Tower line in Hebei, China, with tower type, material, and stage count matched to the specific gas composition and required removal rate.

Why Leading Plants Choose SENOTAY Spray Tower

Factory-Direct Pricing. Certified Quality. Dedicated Support.

Best Price Guarantee
Certified & Compliant

ISO 9001 and CE certified.

Fast, Reliable Delivery

Types of Spray Towers – Detailed Comparative Table

Type No.	Spray Tower Type	Material	Suitable Gas Type	Operating Temp.	Removal Efficiency	Typical Use Case
01	PP Spray Tower	PP	Acid & Alkali Fumes	0–80°C	85–98%	Chemical exhaust scrubbing
02	FRP Spray Tower	FRP	Corrosive gases	−20–110°C	90–99%	Heavy industries
03	Acid-Base Spray Tower	PP/FRP	Acid & Base Gas	0–90°C	95–99%	Neutralization systems
04	Venturi Spray Tower	SS/FRP	Particulates	0–100°C	95–99%	Dust scrubbing
05	Gas Scrubber Tower	PP/FRP	VOCs & fumes	0–90°C	85–96%	VOC removal
06	Fume Scrubber	PVC/PP	Toxic fumes	−10–70°C	90–99%	Electroplating exhaust
07	Industrial Scrubber	FRP/SS	Mixed pollutants	0–120°C	90–98%	Industrial waste gas
08	Packed Bed Spray Tower	PP/FRP	Acid Gas	0–95°C	96–99%	High-efficiency absorption
09	Multi-Stage Spray Tower	PP/FRP	Heavy gases	0–90°C	97–99%	High-pollutant industries
10	Stainless Steel Spray Tower	SS304/316	High-temp gases	0–180°C	85–95%	High-temp chemical plants

Spray Tower Installation Method

Installing a Spray Tower involves the following steps:

Foundation Preparation

Ensure a level, vibration-free, chemically resistant base.

Placement & Alignment

Tower is positioned using lifting lugs and aligned vertically.

Piping & Connections

Connect inlet/outlet ducts, recirculation pipelines, drains, and overflow lines.

Pump & Nozzle Setup

Install circulation pump, spray nozzle assemblies, and mist eliminators.

Electrical & Control System Wiring

Integrate power lines, sensors, control panels, and automation systems.

Leak Testing & Trial Run

Conduct hydro-test, nozzle pattern check, and airflow testing before commissioning.

Professional Product Specification Table – Spray Tower

Product Context:
A high-efficiency industrial gas scrubbing system designed for acid-gas neutralization, fume removal, and air pollution control.

Physical Dimensions	Performance Ratings	Material & Construction	Operational Data	Certifications & Lifecycle
Height: 3,000–12,000 mm	70–98% (depending on pollutant)	FRP / SS304 / SS316L	Pressure: -2 to +5 kPa	10–15 years
Diameter: 800–3,000 mm	3,000–85,000 m³/h	PP / PVC / SS304	Pressure Drop: 350–900 Pa	Unlimited (continuous duty)
Shell: 6–18 mm	3–45 m³/h	PP Pall Rings	Pump Power: 1.5–15 kW	7 ISO 9001:2015
Base: 300–1,200 mm	Operating Temp: 5–60 °C	UPVC / SS304	80 °C	7 IP55 (motors/panels)
Inlet Duct Ø: 200–800 mm	(FRP Build): 100 °C	EPDM / PTFE	≤ 75 dB(A)	HG/T 3797
Outlet Duct Ø: 200–800 mm	pH Range: 2–12	SS304 / HDG Steel	Water Consumption: 0.3–1.2 m³/1,000 m³ gas	CE Marking: Yes
(BCD): 12–24 bolts @ Ø12–Ø18 mm	≥ 90% @ >5 μm	FRP Reinforced	Lugs: 2–4 pcs	12–24 months
1.2–3.5 m²	Gas Velocity: 1.5–3.0 m/s	FRP beams	Operating: Continuous	JB/T 8530

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Material Properties of a Spray Tower

Senotay’s Spray Towers are manufactured using premium, corrosion-resistant materials:

PP (Polypropylene): Lightweight, excellent chemical and corrosion resistance.
FRP (Fiberglass Reinforced Plastic): High strength-to-weight ratio, durable in harsh environments.
PVC / CPVC: Suitable for moderate temperature and corrosive applications.
HDPE / LDPE: Ideal for alkaline scrubbing systems.
SS304 / SS316: Used for high-temperature oxidation environments.

Standard Physical & Mechanical Properties of Spray Tower Materials

Density: about 0.91 – 1.6 g/cm³ (depending on material).
Service Temperature: −20°C to 110°C.
Chemical Resistance: Resistant to acids, alkalis, solvents, and corrosive gases.
Mechanical Strength: Tensile strength 25–80 Mpa.
Thermal Conductivity: 0.1 – 0.3 W/m·K.
UV Resistance: Enhanced UV-stabilized material available.

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Industrial Applications of Spray Towers

Spray Towers are used across multiple industries, including:

Chemical Manufacturing.
Pharmaceutical Production.
Semiconductor & Electronics.
Fertilizer & Agrochemical Plants.
Metal Surface Treatment.
Battery Manufacturing.
Waste Gas Treatment Stations.
Printing & Coating Industry.
Food Processing & Odor Control.

How a Spray Tower Works – Working Mechanism

Contaminated air enters from the bottom of the tower.
Scrubbing liquid is sprayed from the top through specially designed nozzles.
As gas travels upward, liquid droplets capture contaminants through absorption or chemical reaction.
Clean gas exits from the top, passing through a mist eliminator to remove moisture.
Scrubbing liquid is collected at the bottom, filtered, and recirculated back through the pump.

This simple yet highly efficient mechanism makes Spray Towers ideal for acid-gas removal, particulate scrubbing, and neutralization of industrial fumes.