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Automatic Enamel Powder Coating Machinery Production Line For Electric water heater production line

Item No.: 00305
Automatic Enamel Powder Coating Machinery Production Line For Electric water heater production line
Description
Description
Basic Info
Model NO. EN source
Production Scope Parts Production Line
Enamel powder coating workpiece Electric water heater inner tank
Workpiece size Φ365×(400-1000)mm
Workpiece weight ≤20kg
Production capacity 40-50 units/hour; 200 units/8 hours
Frame Section steel + SUS201/SUS304 stainless steel
After-sales Service 1-Year Warranty + 3-Year paid maintenance
Stirrer Motor stirring (2.2kw, SUS304 impeller)
Feeding pump Large caliber metal diaphragm pump
Control system Siemens PLC + 10-inch touch screen HMI
Heat source Natural gas radiation tube heating
Product Description
01 Automatic Enamel Powder Coating Machinery Production Line For Electric water heater production line

This production line is specially designed for
electric water heater inner tank enamel coating, drying and high-temperature firing, with high automation, stable coating quality, energy-saving and efficient features, matching Φ365mm diameter liner production requirements.
  1. Three-station wet coating machine (inner lining system)
  2. Open bucket (glaze slurry storage)
  3. Filter vat (glaze slurry filtration)
  4. Suspension chain type enamel drying furnace
  5. Suspension chain type high-temperature firing furnace
  6. Suspension conveyor system (GXF200)
  7. Automatic electrical control system (PID temperature control)
  8. Cooling system & offline positioning device
02 Automatic Enamel Powder Coating Machinery Production Line For Electric water heater production line Technical Parameters & Design Planning
1. Core Process Parameters
No. Process Name Process Time Process Temperature Note
1 Feeding & glazing 1.2-1.5min/pc Room temperature Automatic coating
2 Drying 10-15min 100-150℃ Hot air bottom blowing
3 High-temperature firing 10-20min 760-880℃ 3 zones independent control
4 Cooling 8-12min Room temperature Natural air cooling
5 Unloading Automatic offline

2. Plant & Energy Requirements
Item Specification
Plant eave height ≥4.6m
Ventilation Good natural ventilation + waste gas discharge
Power supply 3Φ 380V 50Hz, total power ≈65kw
Compressed air 2.6-3m³/min, 0.6-0.8Mpa
Natural gas Calorific value ≈8500kcal/m³; pressure 0.1Mpa; consumption 45-72m³/h

3.Equipment Structure Parameters
Equipment Size / Specification
Coating machine Three-station, suitable Φ365×400-1000mm
Open bucket Φ600×H1300mm, SUS304 2.0mm
Filter vat Φ600×H1300mm, SUS304 2.0mm
Firing furnace L5000×W800×H1250mm
Suspension chain Total length ≈72m, pitch 200mm
Hook 84 primary hooks, 310S high-temperature resistant
03 Automatic Enamel Powder Coating Machinery Production Line For Electric water heater production line Equipment Details & Specifications

1. Three-station Wet Coating Machine

  • Control mode: PLC full automatic, adjustable program for different sizes
  • Glaze conveying: Large caliber diaphragm pump, stable flow
  • Working efficiency: 40-50 units/hour
  • Material: Rack SUS201, contact parts SUS304
  • Function: Automatic glazing, uniform coating, no hanging glaze


2. Glaze Slurry Treatment System

  • Open bucket: 2.2kw motor stirring, SUS304 impeller, 2-inch discharge valve
  • Filter vat: Stainless steel mesh filtration, remove impurities to ensure coating quality
  • Sealing & pipeline: Anti-leakage design, easy cleaning and maintenance


3. Drying Furnace

  • Structure: 8# channel steel welding, 100mm rock wool insulation
  • Heating power: 60kw
  • Air supply: 7.5kw high-pressure blower, bottom air supply
  • Function: Fast drying, prevent cold glaze beads, ensure firing effect


4. High-temperature Firing Furnace

  • Furnace body: 8# channel steel + steel plate, with expansion joints
  • Insulation: Aluminum silicate fiber folding blocks (230kg/m³)
  • Heating: 6 sets Ebofire 3M10N590 P radiant tubes (SUS310s imported)
  • Temperature control: 3 zones PID independent control, accuracy ±5℃
  • Safety: Over-temperature alarm, flameout protection, air-gas interlock


5. Suspension Conveyor System

  • Chain type: GXF200 die forged suspension chain
  • Drive: 2.2kw frequency conversion motor, speed adjustable
  • Hook: Φ16mm 310S high-temperature resistant round steel
  • Tension: Automatic weight tensioning, stable operation
  • Lubrication: Equipped with high-temperature chain oiler


6. Automatic Control System

  • Main control: Siemens PLC + 10-inch touch screen
  • Function: Speed setting, temperature setting, fault alarm, automatic/manual switch
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