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                                                automatic immersion coating line with warranty,efficient automatic immersion coating system,advanced automatic coating line for industrial use, efficient automatic immersion coating system, advanced automatic coating line for industrial use
                              

Experience the Efficiency of Our Advanced Automatic Immersion Coating Line for Your Coating Needs

Advanced Automatic Immersion Coating Line

Equipment Description

I. Dip Coating Principles

Basic Process Principles
The dip coating process involves immersing a preheated workpiece in fluidized plastic powder. High temperatures are used to uniformly adhere the powder, causing it to melt and solidify, forming a coating. The core principles are as follows:
- The preheated metal surface attracts the plastic powder particles, forming a preliminary adhesion layer
- The fluidized bed uses airflow to suspend the powder, ensuring uniform coating coverage
- The secondary heating process completely melts and solidifies the powder, forming a dense protective layer (typically 0.5-2mm thick)
Differences from Spray Coatings
- No electrostatic adsorption is required; adhesion is achieved solely through contact between the workpiece temperature and the fluidized powder
- Suitable for complex or hollow workpieces (such as shelves and guardrails), enabling full-surface coating

II. Key Process Parameters

Process stage	Parameter Range	Core Functions
Pretreatment temperature	Normal Temperature (Chemical Reaction)	Removes grease and oxides
Workpiece preheating temperature	180-250°C	Enhances powder adsorption
Fluidized bed air flow pressure	0.05-0.15 MPa	Maintains uniform powder suspension
Curing temperature/time	180-220°C/10-30 min	Forms a dense coating

III. Technical Advantages

Coating Performance: Wear-resistant and corrosion-resistant, suitable for outdoor environments
Applicability: Suitable for processing irregularly shaped workpieces without the need for complex spray equipment
Environmental Performance: High powder utilization rate, exhaust emissions comply with GB 30981 standards

Main Structures and Components

I. Core Structural Units

Pretreatment Equipment
- Degreasing and Rust Removal Unit: Includes a spray-type multi-station unit or shot blasting machine, used to remove impurities from the metal surface through degreasing, pickling, and multiple water rinses to ensure subsequent coating adhesion
- Phosphating Tank: Enhances the workpiece surface activity through a process of pre-degreasing, degreasing, water rinsing, surface conditioning, phosphating, and pure water rinsing
Preheating System
- Gas/Electric Furnace: Heats the workpiece to 180-250°C with a heating uniformity error of ≤5°C to prevent premature solidification of the powder
- Temperature Control Module: Integrates a PID controller and thermocouple sensor to monitor and provide real-time feedback on temperature changes
Fluidized Bed Dipping System
- Fluidized bed body: Multi-layer porous plate structure (pore size 0.05-0.2mm), with compressed air (0.05-0.15MPa) flowing from the bottom to fluidize the plastic powder
- Steel or composite trough, equipped with an antistatic coating to prevent powder clumping
- Lifting mechanism: Electric/hydraulic drive, controls the angle and speed of the workpiece immersed in the fluidized bed (typical lifting speed 0.5-2m/min)
Curing Equipment
- Secondary heating tunnel: Length 10-30 meters, temperature settings 180-220°C, three-stage temperature zone (heating -> constant temperature -> slow cooling), holding time 10-30 minutes
- Exhaust gas treatment module: Integrated RTO incinerator or activated carbon adsorption system, VOC emissions comply with GB 30981 standards
Control System
- PLC Control Cabinet: Integrated Human-Machine Interface (HMI) enables programmable control of parameters such as temperature, lift speed, and airflow pressure
- Safety Interlock: Equipped with over-temperature alarm, emergency stop button, and gas leak detection

II. Key Auxiliary Components

Powder Recovery System: Utilizes a cyclone separator and filter element for two-stage recovery, achieving a powder utilization rate exceeding 95%
Workpiece Conveyor: Chain/roller conveyor system, supporting workpieces up to 3m x 1.5m in size
Material Buckets and Racks: Stainless steel containers with a capacity of 500-2000L for plastic powder storage and fluidized feed
Cooling Water Circulation System: Provides forced cooling for high-temperature components such as the hydraulic system and furnace slides

III. Structural and Performance Features

Components	Typical Materials/Parameters	Functional Advantages
Fluidized bed perforated plate	316 Stainless Steel/Ceramic Composite Plate	Corrosion and wear resistance, airflow uniformity of ±5%
Heating element	Resistance Wire/Infrared Tube	Thermal efficiency >85%, temperature fluctuation <3°C
Oven insulation	Aluminum Silicate Fiber + Nano-Aerogel	Surface temperature rise <40°C (at an ambient temperature of 25°C)

Features

High cost performance: Based on the customer's product positioning and development strategy, and with economic affordability as the foundation, we achieve the best cost performance
Advanced design: The advanced and meticulous design concept of the equipment, along with the highly automated industrial equipment, showcases the image of a modern and advanced enterprise
High adaptability: Meets current production requirements while reserving room for development, taking into account future needs for increased production and improved quality
Quality compliance: Strictly adheres to the ISO900 quality management system, with every minute detail of the entire equipment installation being strictly controlled