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Working principle of bypass water treatment device
Date: 2025-06-13Read: 0

Bypass water treatment deviceAlso known asSide stream processorSide flow comprehensive water treatment device, is a device installed on the branch of the circulating water system, used forBypass filtration, scale inhibition and removal, sterilization and algae removal, corrosion inhibition and anti-corrosionA physical or physicochemical processing device that integrates multiple functions.


1、 Working principle of bypass water treatment device

The bypass water treatment device passes throughDrain a portion of the water from the main circulation system into the equipment for treatmentReturn to the main system to improve the water quality of the entire system.
The typical processing steps include the following:

  1. Mechanical filtration
    Filter out suspended solids, rust, sediment and other impurities in the water (using quartz sand, filter element, laminated, mesh and other forms).

  2. Electrochemical/Physical Treatment
    By utilizing electrolysis, electromagnetic, radio frequency and other technologies, the behavior of calcium and magnesium ions in water can be altered to prevent scaling or remove existing scale.

  3. Sterilization and algae killing(Optional):
    Built in copper silver ion, ultraviolet lamp, ozone, microelectrolysis and other sterilization modules effectively control biological pollution.

  4. Corrosion inhibition and anti-corrosion
    By electrochemical action or release of micro soluble corrosion inhibitors, a protective film is formed on the metal surface to inhibit corrosion.


微晶旁路水处理器 (1)_副本.jpg


2、 Main components of bypass water treatment device

  • Pre filtration unit (laminated/quartz sand/mesh filter)

  • Core processing modules (RF, electrolysis, electromagnetic, microelectrolysis, etc.)

  • Sterilization module (copper silver ion, ozone, ultraviolet, optional)

  • Automatic drain valve, control box, waterway pipe group

  • Partially equipped with automatic dosing function (corrosion and scale inhibitor)


3、 Characteristics of bypass water treatment equipment

function description
Bypass processing Not affecting the operation of the main system, diverting 5% to 20% of the system's water flow for treatment
All-in-one Integrating filtration, descaling, anti-corrosion, and algae killing to save space
Easy installation Simply connect the system branches in parallel and operate without stopping the machine
Energy-saving and environmental protection No need for chemical dosing or minimal supplementation, in line with green operation requirements
Can be intelligently controlled Equipped with LCD display, electronic logic control, PLC and other functions (some models)





4、 Scope of application of bypass water treatment device

  • Central air conditioning cooling water and chilled water system

  • Industrial circulating cooling water system

  • Protection of heat exchangers and plate heat exchangers

  • Boiler water replenishment treatment

  • Agricultural garden sprinkler irrigation system

  • Ground source heat pump, air compressor cooling system, etc


5、 Installation instructions for bypass water treatment device

  • Installed on the bypass branch of the main system, it does not affect the flow of the main system;

  • Valves should be installed at the inlet and outlet to facilitate flow regulation and maintenance;

  • Suggested settingAutomatic sewage dischargeandpressure gaugeIn order to monitor the operational status of the equipment;

  • It can be set for timed operation or differential pressure start (based on water quality conditions).


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6、 Common types of bypass water treatment equipment

type Main technologies
Electromagnetic bypass water treatment device High frequency electromagnetic induction for scale breaking
Micro electrolysis integrated water processor Iron carbon microelectrolysis+physical filtration, suitable for circulating water systems
Copper silver ion sterilization type Remove scale while sterilizing, control algae growth
Filter type+physical scale inhibitor integrated machine Used for small units, compact structure, easy maintenance





7、 Summary of the advantages of bypass water treatment equipment

  • Does not affect the operation of the main system, non-stop maintenance;

  • Strong comprehensive processing capabilityImprove overall water quality;

  • High automation and stable operation

  • Energy saving and consumption reducing, extending equipment lifespan

  • Green and environmentally friendly, reducing the use of chemical agents.