First, the project content:
Φ 60- Φ 273 steel pipe outer wall epoxy powder coating production line
Second, the process requirements
Work piece: Φ 60- Φ 273 × 12m steel pipe
Coating requirements: epoxy powder coating 300-400um
Process line speed: 3 - 7 m/min
Third, the process steps
four. Φ 60- Φ 273 steel pipe outer wall epoxy powder coating production line drive line:
Transmission line length of 44 meters and comprises eight 5.0 m × 1.2 yards gear frame; bracket base and the drive wheel 14 in all channel # welding. There are also 4 single racks (one of which is equipped with high temperature resistant tires).
Fives. Φ 60- Φ 273 steel pipe outer wall epoxy powder coating production line medium frequency heating selection :
Equipment type KGPS- 35 0/1
Equipment rated power
Rated output voltage
Rated output current
Complete configuration list:
Model 787 2.7
Circuit breaker (Delixi)
Ø12 tube, inner diameter Ø190
Sixth, Φ 60- Φ 273 steel pipe outer wall epoxy powder coating production line electrostatic spraying equipment selection :
1 , 8 gun control center DK type Each set of the above devices contains 6 automatic spray guns , the spray gun is built-in high pressure, the control cabinet controls the voltage, current and pneumatic system of 6 automatic spray guns, and controls the powder supply system of the Venturi powder supply pump.
The above device contains one set of fluidized bed powder supply system . The size of the fluidized bed : (L×W×H) 800×775×570 (mm) contains 6 venturi powder supply pumps.
Seven. Pipe system:
Dial up and down by cylinder tube pipe, with upper and lower fork tube 4, cylinder 4 and electrical control system (including a solenoid valve, the valve block, PVC pipe, control buttons, etc.).
Eight. Secondary descaling and water spray:
The wire wheel and compressed air are used to remove rust, and the surface burrs and floating ash of the steel pipe are removed to improve the adhesion of the epoxy powder. Descaling device 1 comprises a sleeve 2 and the like protection and dust discharge cover. The wire wheel has a diameter of 150mm and therotational power is 2.0kw.
Water spray pump a centrifugal pump, a flow rate of 90m ³ / h, the motor is 5.5KW, the main spray pipe diameter is Φ 114 12m ×; spray pipe diameter of Φ 15, a total of 35, it is equipped with valves, easy to adjust The amount of water. The partition is a plastic steel window.
Nine air compressor:
3.0 cubic air compressor with a screw-type air compressor, a gas tank cubic 1.0, 3.0 cubic an air dryer, and a control section supporting the gas passage.
X. Manufacturing and installation schedule:
The production line is manufactured for 25 working days and the installation period is 10 working days.
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