Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd
Over 20 years of experience in manufacturing coating equipment！ There is no best, only better！
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Cabinet shell powder coating production line is a professional equipment used for the surface powder coating treatment of cabinet shell, which can realize a series of processes such as degreasing, cleaning, phosphating, powder spraying and curing of cabinet shell, so as to improve the corrosion resistance, beauty and adhesion of cabinet shell.
The overall structure of the production line adopts modular automatic assembly line design , including six functional units: pretreatment system → electrostatic spraying system → curing system → conveying system → environmental protection system → intelligent control system.
I. pretreatment section (surface treatment core)
degreasing cleaning unit Spray degreasing tank: 60-70℃ alkaline solution (pressure 0.3-0.5MPa)
Ultrasonic auxiliary device (optional) : Improve the cleanliness of complex structures
Chemical film Unit: 1-8μm anti-corrosion layer is formed after normal temperature treatment
water washing system three-stage countercurrent water washing tank (conductivity ≤50μs/cm)
Pure water seal tank: RO reverse osmosis water
Two, electrostatic spraying unit
Dusting room Three-dimensional reciprocating spraying machine: equipped with 8-12 electrostatic spray guns (voltage 60-90kV adjustable)
Constant temperature and humidity control: temperature 23±2℃ / humidity 55±5%
powder circulation system Fluidized bed powder feeder + Venturi recovery system (recovery rate ≥95%)
Cyclone separator + Fine filter (filtration accuracy 0.5μm)
3. high temperature curing unit
curing baking channel hot air circulation structure: accurate temperature control (180-200℃±5℃)
Waste heat recovery module: energy saving more than 30%
conveying speed control system Variable frequency speed control catch-chain: speed 1.2-2.5m/min (matching 20-30min curing time)
High temperature spreader: Bearing capacity ≥200kg
intelligent control system
Central console Siemens S7-1200/1500 PLC + 10.1 "industrial touch screen
Formula management system: Support 100 groups of process parameter storage
iot monitoring Real-time monitoring of spray film thickness, temperature and humidity, VOCs emissions and other data
Abnormal alarm: automatic diagnosis of 32 types of faults (such as insufficient pressure, overtemperature, etc.)
Five, environmental protection treatment system
Exhaust gas treatment and cooling + filtration + activated carbon adsorption (VOCs removal rate ≥98%)
dust treatment pulse bag dust collector (discharge concentration ≤10mg/m³)
Wastewater treatment Neutralization precipitation + membrane filtration (up to GB8978 first-class standard)
1.High cost performance Based on the customer's product positioning and development strategy, based on economic benefits, to achieve the best cost performance.
2. Advanced equipment design concept of excellence, high degree of automation of industrial equipment, show modern advanced enterprise style.
3. High adaptability to meet the current production requirements, and reserve space for development, considering the later production increase and quality improvement needs.
4.Quality standards strictly follow the IS0900 quality management system, and every small link of the entire equipment installation is strictly checked.
