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Upgrading and renovation of ultraviolet disinfection equipment in sewage treatment plants

1. Major Challenges of Heavy Rainfall for Channel-Type UV Disinfection Equipment


Heavy rain causes a sudden increase in sewage volume, potentially exceeding the UV system's designed treatment capacity, resulting in a shortened hydraulic retention time, insufficient UV dose, and incomplete disinfection.

When the water level rises above the equipment's safe operating level due to heavy rain, it can cause the equipment to shut down, rendering the disinfection function ineffective.

The risk of water intrusion associated with heavy rain can damage electrical components, leading to equipment failure.


2. ONYX's Solutions for Addressing Heavy Rainfall Challenges


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🔹 Modular and Redundant Design: A multi-channel UV system automatically starts and stops modules based on flow rate, balancing processing capacity and energy consumption (for example, all modules operate during heavy rain, while some remain on standby during normal times).

🔹 Intelligent Dosage Control: Equipped with an online UV dose monitoring system, combined with an online UVT monitor, sewage flow meter, and online UV intensity monitor, this system dynamically adjusts lamp power or quantity through a feedback mechanism to ensure consistent dose.

🔹 Upgraded Equipment Protection: IP68-rated UV disinfection modules ensure operational operation even during heavy rain.



3. ONYX Product Guide

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ONYX-WHA/8-260 Integrated UV Disinfection Module

🔹 IP68-rated components, resistant to flooding;

🔹 Equipped with online mechanical cleaning to prevent casing scaling;

🔹 Equipped with an online UV dose monitoring system for intelligent dose control;

🔹 Modular design allows for scientific combination and configuration based on customer water quality to ensure effective disinfection.



Technologically leading, industry benchmark

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