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Electrophoresis Circulation and Agitation System for Painting Production Lines

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Product Description

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                                                electrophoresis circulation system for painting, agitation system for electrophoretic coating, painting production line electrophoresis equipment
                              

Electrophoresis Circulation and Agitation System for Painting Production Lines

This system provides comprehensive circulation, agitation, and uniform dispersion of bath fluid during anodic/cathodic electrophoresis coating processes for metal workpieces. It employs continuous jet agitation to prevent paint solids sedimentation, ensuring efficient film deposition and superior coating quality.

Working Principle

System parameters including main/auxiliary circulation pump flow rates, tank bottom and side flow velocities, and Venturi nozzle injection pressure are precisely controlled via PLC or industrial computer automation.

Process Flow

Electrophoresis bath fluid intake → Pressurization by main circulation pump → Multi-stage bag/precision filtration → Temperature control via plate heat exchanger → Jet agitation via Venturi nozzles at tank bottom/sides → Tank surface overflow → Ultrafiltration recovery from overflow tank → Recirculation

System Components and Structure

Spraying and Circulation Agitation System

Nozzles: Stainless steel Venturi mixing nozzles (1:4 amplification ratio) prevent sedimentation at tank bottom and fluidize surface at tank sides
Circulation Piping: Corrosion-resistant UPVC/stainless steel main lines and branch networks with high-precision pressure sensors and flow control valves
High-Pressure Pump: Heavy-duty, corrosion-resistant horizontal centrifugal pump with double mechanical seals, providing stable circulation agitation pressure (0.2-0.6 MPa)

Conveyor System

Conveyor Chain: Specialized overhead conveyor or power-and-free chain with adjustable speed (0.5-5 m/min)
Anti-sway Mechanism: Optional tank entry/exit anti-sway devices and submerged guide mechanisms prevent collisions and paint accumulation

Tank Structure

Main Processing Tank: Thick-walled steel shell with high-quality anti-corrosion lining (epoxy or FRP), zoned design for electrophoresis, overflow, and anolyte circulation
Reservoir Tank: Double-walled, insulated auxiliary tank with high-precision level sensors and automatic paint/pure water replenishment

Filtration and Circulation System

Multi-stage Filtration: Duplex switchable magnetic bag filters (coarse) combined with Ultrafiltration or cartridge-type fine filtration (precision ≤25μm)
Circulation Pump: Dual-pump switching system (one active, one standby) for continuous 24/7 operation

Heating and Temperature Control

Heating/Cooling: High-efficiency stainless steel plate heat exchanger with integrated chiller and warm water system
Temperature Control: PT100 high-precision sensor + intelligent controller with PID precision of ±0.5 to ±1°C, maintaining optimal process temperature (28±1°C)

Intelligent Control System

Main Control: PLC (S7-1200) + Touchscreen HMI with variable frequency drive speed control and automatic pump switching
Sensors: Conductivity meters, pH meters, online monitors for solvent/solids content, and level sensors for real-time bath monitoring
Data Management: Supports bath parameter recipes, emergency alarms, and production operation reports

Auxiliary Systems

Exhaust System: Side-suction exhaust hood and centrifugal fan for effective solvent vapor removal
Safety Features: Explosion-proof emergency stop, insulated maintenance platform, and waterproof electrical control cabinet

Key System Features

High Cost-Performance Ratio: Optimized nozzle layout and energy-efficient pump units deliver exceptional value through fluid simulation design
Advanced Equipment: Venturi mixing/injection technology and automated industrial control ensure uniform tank fluid flow with no dead zones
High Adaptability: Flexible pump units and adjustable flow rates with built-in scalability for future production expansion
Quality Compliance: Strict adherence to ISO9001 standards with rigorous control of installation details for particle-free, pinhole-free paint films

Application Areas

Ideal for industries requiring high-quality electrophoretic primer surface treatment including automotive bodies and parts, home appliance hardware, motorcycle/electric vehicle frames, and construction machinery.

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Electrophoresis Circulation and Agitation System for Painting Production Lines

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