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| After-sales Service: | Technical Service with Free,Training The Workers |
| Warranty: | 12 Months |
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Qingdao Huashida Machinery Co., Ltd. is dedicated to providing advanced pipeline anti-corrosion solutions. Our Steel Elbow 3PE Anti-Corrosion Production Line is specifically designed for hot-bent pipes, elbows, and certain structural parts of a suitable size, offering a one-stop, highly efficient, fully automated solution for anti-corrosion protection.
This integrated production line combines key processes such as shot blasting, intermediate frequency heating, 3PE coating, and rapid cooling into a single, continuous workflow. It not only thoroughly removes rust, mill scale, and welding slag from the pipe surface but also eliminates welding stress. The shot blasting process also enhances surface roughness, significantly improving the adhesion of the epoxy powder or 3PE coating, thereby fully boosting the pipe's anti-corrosion and mechanical performance.
Elbow conveyor line
Independent center of rotation drive
Gear ring gear drive
frequency control
The main parts adopt protective supporting wheel
The supporting wheel is equipped with slide rail, which is easy to install
Fixed angle of self-locking structure of transmission line
Height lift adjustment
Medium frequency heating
Angle handwheel adjustment
Front and rear electric adjustment
The height is adjusted through the conveyor line
Narrow thickness to avoid uneven heating in bending section
If power 350kW
Voltage and current double close regulation
Powder spraying for elbow
Annular dusting chamber
Front and rear electric adjustment of powder spraying chamber
The spray gun swings left and right
CNC adjustment of powder quantity
There are 12 powder guns
U-shaped bottom blowback recovery
Overall material 304 stainless steel
The hard negative pressure of recovery air duct does not deform
Powder injection recovery
The drawing air duct is suitable for the change of pipe diameter
Cyclone + filter cartridge dust removal standard discharge
U-shaped bottom structure + pulse back blowing to recover powder more thoroughly
304 stainless steel fluidization tank, vibrating screen powder filter, equipped with 12 venturi powder pumps
Winding machine
Automatic belt locking
One side with corrosion protection
Continuous operation of winding tape
The strip is wound tightly
High degree of automation
Automatic calculation of strip by computer
The deviation of straight pipe from the center does not affect the winding work
PLC control systerm
Data collection
edit
With memory function
Automatic calculation of strip consumption
Automatic acquisition and correction of transmission speed
| item | Name | specification |
| 1 | Diameter of steel pipe | 426, 630, 720, 820,1000,1200 |
| 2 | Curvature radius | 4-6 times D |
| 3 | Elbow angle | 15-90 degrees |
| 4 | Steel tube wall thickness | 8 mm -12 mm |
| 5 | Epoxy powder thickness | more than 170 um |
| 6 | AD copolymer adhesive thickness | 170-250 um |
| 7 | PE layer thickness | 2.5 - 3.7 mm |
| 8 | Total water consumption | 30 cubic meters |
| 9 | Total power consumption | 450 kilowatts |
| 10 | Total gas consumption | 6 cubic meters / min |
Bend Pipe Conveyor System: Ensures smooth and stable movement of the pipes throughout the coating process. Our proprietary "Variable Elbow Pipe Conveyor Line" can adapt to bend pipes of different diameters, radii, and angles.
Bend Pipe Blasting Machine: Thoroughly removes surface rust and welding slag.
Bend Pipe Intermediate Frequency Heating System: Precisely controls temperature to ensure proper melting and curing of the coating.
Bend Pipe 3PE Coating System: Precisely applies the three-layer anti-corrosion structure.
Bend Pipe Spray Cooling System: Rapidly cools and solidifies the coating, improving adhesion.
Oil & Gas pipeline systems
Water supply pipelines
Sewage and wastewater transport
Chemical industry pipeline protection
Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3PE anti-corrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,collaborating closely with Beijing University of chemical technology, Qingdao university of technology and scientific research institutions. by absorbing advanced technology home and abroad, after 20 years of endeavor we now rank one of the top 3 manufacturers in the industry in China. Huashida machines have been well received in Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, etc.
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