Production line of PERT+EVOH high temperature resistant hoses for warm floor

This line produces heat-resistant hoses made from a 3-layer PERT-Adhesive-PERT material. Here:

• PERT is a high-temperature resistant polyethylene pipe.
• Adhesive is the bonded layer.
• EVOH is an ethylene vinyl alcohol copolymer layer.

General Information about the Line

• Raw materials: EVOH and PERT granules
• Final product: PERT hose
• Production line length: 28 meters
• Production line height: 4 meters
• Production building: Enclosed building
• Humidity: 85%
• Air temperature: 0-40°C
• Voltage: 380V, 50 Hz, 3-phase
• Required power: 135 kW
• Water supply: Required
• Water temperature: ≤20°C
• Water flow pressure: ≥0.3 MPa
• Water consumption: 3 m³/hour
• Number of workers: 2-3 workers per 8-hour shift

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Equipment in the Line

• High-speed single-screw extruder (PERT), model AF-65/43
• Single-screw extruder (EVOH and adhesive), model AF-30/25
• Single-screw extruder (EVOH), model AF-45/28
• Molds for 3-layer hoses (φ16, 20, 25, 32 mm)
• Water cooling and calibration equipment
• Cooling equipment
• Hose pulling equipment
• Automatic two-spool winding equipment
• Special printer
• Mixer
• PLC control system

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High-Speed Single-Screw Extruder (PERT) Model AF-65/43

The first main extruder is used for producing the primary PERT layer of the hose.

Screw Diameter: 65 mm Screw L/D Ratio: 34:1 Motor Power: 75 kW Production Capacity: 180-200 kg/hour Center Height: 1000 mm Material: 38CrMoAIA Surface Treatment Type: Nitrided Nitriding Layer Thickness: 0.50~0.70 mm Internal Surface Treatment Type: Nitrided Heating Type: Circular heating device Heating Device Material: Cast aluminum Heating Power: 25 kW Number of Heating Zones: 5 zones Cooling: With fans Cooling Power: 0.25 kW x 5 units Extension Box Material: Cast HT200 Shaft Material: 40Cr Vacuum Feeding Part: Hopper dryer 75 kg

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Brands of Installed Devices

• Extension Box: CHANGZHOU Bulukerui (China)
• Screw and Barrel: ZHOUSHAN JUER (China)
• Motor: Chinese brand
• Inverter: Delta (Taiwan)
• Contactor: Schneider (France)
• Switch: Schneider (France)

     

Single-Screw Extruder (EVOH Adhesive), model AF-30/25

This extruder is used for coating the hose with an EVOH adhesive layer.   Screw Diameter: 30 mm Screw L/D Ratio: 25:1 Motor Power: 4 kW Production Capacity: 10 kg/hour Center Height: 1000 mm Material: 38CrMoAIA Surface Treatment Type: Nitrided Nitriding Layer Thickness: 0.50~0.70 mm Internal Surface Treatment Type: Nitrided Heating Type: Circular heating device Heating Device Material: Cast aluminum Heating Power: 1 kW Number of Heating Zones: 2 zones Cooling: With fans Cooling Power: 0.085 kW x 2 units Extension Box Material: Cast HT200 Shaft Material: 40Cr

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Brands of Installed Devices

• Extension Box: Zhejiang Redson (China)
• Screw and Barrel: ZHOUSHAN JUER (China)
• Inverter: Delta (Taiwan)
• Contactor: Schneider (France)
• Switch: Schneider (France)

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Single-Screw Extruder (EVOH), Model 45/28

This final extruder is used for coating with an EVOH layer.

Screw Diameter: 45 mm Screw L/D Ratio: 28:1 Motor Power: 7.5 kW Production Capacity: 20 kg/hour Center Height: 1000 mm Material: 38CrMoAIA Surface Treatment Type: Nitrided Nitriding Layer Thickness: 0.50~0.70 mm Internal Surface Treatment Type: Nitrided Heating Type: Circular heating device Heating Device Material: Cast aluminum Heating Power: 1 kW Number of Heating Zones: 2 zones Cooling: With fans Cooling Power: 0.085 kW x 2 units Extension Box Material: Cast HT200 Shaft Material: 40Cr

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Brands of Installed Devices

• Extension Box: Zhejiang Redson (China)
• Screw and Barrel: ZHOUSHAN JUER (China)
• Inverter: Delta (Taiwan)
• Contactor: Schneider (France)
• Switch: Schneider (France)

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Molds for 3-Layer Hoses (φ16, 20, 25, 32 mm) Material: 40Cr Calibration Mold Liner: Tin (lead) bronze Mold Sizes: φ16, 20, 25, 32 mm

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Water Cooling and Calibration Equipment

This equipment is used to maintain the ideal round shape of the hoses as they exit the extruder.   Material: SUS304 Calibration Range: φ16, 20, 25, 32 mm Vacuum Pump: 1 unit Vacuum Pump Capacity: 120*2 m³/hour Vacuum Pump Motor Power: 2.2 kW Vacuum Level: 0.06-0.04 MPa Water Pump: 1 unit Water Pump Motor Power: 2.2 kW Mobile Device Motor Power: 0.75 kW Equipment Length: 8 meters Wall Thickness: 3 mm Wastewater Discharge Method: Through valve path Water Pump Brand: NINGBO GUANGLING (China) Vacuum Pump Brand: NINGBO GUANGLING (China)

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Water Cooling Equipment

The hoses exiting the extruder are hot. This equipment is used to cool them more quickly. It cools the hoses using water.  

Hauling Machine (Shlanglarni tortish uskunasi)

The equipment ensures the movement of hoses at a constant speed through the extruders, calibration, and cooling equipment.

Hose Sizes: φ16, 20, 25, 32 mm Servo Motor Power: 1 kW x 2 Pulling Force: 10,000 N Pulling Speed: 0.5-35 m/min

Installed Equipment Brands:

• Inverter: Delta (Taiwan)
• Contactor: Schneider (France)
• Circuit Breaker: Schneider (France)

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Automatic Dual-Bobbin Winding Equipment

The equipment is used for winding the produced hoses onto reels.

Hose Sizes: φ16, 20, 25, 32 mm Motor Power: 0.75 kW x 2 Winding Bobbins: 2 pcs

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Special Printer

This printer allows printing of necessary information such as the production date, brand name, logo, and similar details on the hoses.     Motor Power: 3 kW Mixing Speed: 80 rpm Capacity: 100 kg

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Control Panel: DELTA

https://youtu.be/azTlpFk7lBM