Ф219—Ф1220 steel pipe 3-layer PE anti-corrosion production line

Ф219—Ф1220 steel pipe 3-layer PE anti-corrosion production line

Ф219—Ф1220 steel pipe 3-layer PE anti-corrosion production line

Features

Steel pipe diameter: Ф219—Ф1220
Steel pipe length: 8000mm-12000mm
Process speed: 1200mm/min-3000mm/min

 

Detailde


1   Project Description:

   Ф219—Ф1220 steel pipe 3-layer PE anti-corrosion production line

2,      Design Basis:

Steel pipe diameter: Ф219—Ф1220
Steel pipe length: 8000mm-12000mm
Process speed: 1200mm/min-3000mm/min

3, the pipeline conveyor

According to the user's requirements, our company's Ф219-Ф1220 pipeline anti-corrosion production line is designed as a transmission line with a single wheel as the power unit, which makes the pipeline running speed more stable and facilitates the adjustment of the large and small pipe pitch. The reducer adopts KAF type and the power is 2.2KW variable frequency motor. The power control adopts centralized control, the control cabinet is a piano cabinet, and the frequency converter is concentrated in four control cabinets. The frequency converter adopts domestic famous brands. The base of the conveyor is welded with GB 20# channel steel, 20# rectangular steel and 14mm thick steel plate. The specifications of this line conveyor are 2 2 00 mm × 6000 mm × 13 ( 5 sets of tires per rack ). 2000mm × 800mm × 1 3 , (including nine sets of tires, one assembled double high temperature wheel, one assembled single high temperature wheel , and two separate frames each with three sets of tires). The transfer wheel is a 600-9 weighted pneumatic tire (stronger than the solid wheel, the pipe runs smoothly). The base of the transmission wheel is fixed on the adjusting rail with the same hole spacing by 4 screws to facilitate the adjustment of the size of the pipe. The total length is 100 meters.

4, the descaling machine:

This machine is based on the introduction of advanced technology from the United States and Italy, using a modern computer simulation technology, developed a new type of steel pipe outer wall shot blasting equipment, which can remove the rust and scale on the surface of the steel pipe, completely before the outer wall of the steel pipe is painted. The cleaning requirements can meet the needs of cleaning the outer wall of large and medium-sized engineering steel pipes. It has the following advantages:
1. The fifth-generation cantilever centrifugal blasting machine with large shot blasting and high throwing speed has significantly improved the cleaning efficiency and obtained satisfactory cleaning quality. It is a patented product.
2. The equipment has been successfully developed according to the redesign of advanced technology at home and abroad. It has the characteristics of high productivity, convenient operation and small volume, and is the first in China.

5, medium frequency heating:

This production line is equipped with two sets of medium frequency heating equipment of 75 0KW and 1000KW for heating . The control part adopts a specially designed control circuit with over-voltage, over-current, voltage limiting/current limiting, phase loss, under-voltage, under water pressure and other protections. The control line dedicated integrated box is completely isolated from the high pressure area to keep the control room clean and cool. Greatly improve control board life and system reliability. It is preferred to have high-power converter devices from well-known domestic manufacturers. Therefore, it has a design safety factor of 100%, which increases the reliability of the entire system. With a large air-cooled copper row, more energy is used for heating than the water-cooled copper row, which increases efficiency and requires no maintenance. Starting start power zero voltage, no impact load at the start can be reliable, and other heavy-duty state, stable and reliable, trouble-free for a long time, a square with pure water jacket cooling exchanger, cooling effect, each line It is not easy to block, which reduces the failure rate of the intermediate frequency power supply and improves the service life of the equipment. Equipped with two infrared temperature monitors.
              75 0kw parameters:

Name Parameter Name Parameter
Input voltage 380V Output maximum voltage 780V
Input Current 120 0A Output maximum current 16 00A
Input frequency 50HZ Output frequency 500HZ~800HZ
1000kw parameters:
Name Parameter Name Parameter
Input voltage 380V Output maximum voltage 780V
Input Current 1700A Output maximum current 2000A
Input frequency 50HZ Output frequency 500HZ~800HZ
 

6, dusting system:

 6 gun control center. DK type 2 sets
Each set of the above devices contains 6 automatic spray guns , the spray gun is built-in high pressure, and the control cabinet controls the voltage, current and pneumatic system of 8 automatic spray guns. And control 6 venturi powder pump powder supply system.
Each set of the above devices contains a fluidized bed powder supply system. The size of the fluidized bed: (L × W × H) 800 × 775 × 570 (mm) contains 6 venturi powder supply pumps.

7, extrusion machine

This production line must be equipped with SJF 18 0/30 two sets and SJF 7 5/30 one anti-corrosion special extruder.

8, water cooling room:

The water cooling room is closed by plastic steel glazing, which is beautiful and easy to observe. There are several activity windows on each side for easy access. Cooling water flow rate using the pump 150 cubic meters per hourto three. In addition, two intermediate frequency cooling water pumps have a flow rate of 25 cubic meters per hour. The cooling water pipe regulating valve is installed on the side of the operation cabinet for easy adjustment.(Aside from the water pump, the rest is made by the user).

9, air compressor and pipe mechanism:

The production line is equipped with a 10- cube screw air compressor, a 10- cubic air dryer, and a 1.5- cubic gas storage tank for powder spraying equipment (with 3 filters) .

10, breaking machine, lift and secondary descaling machine:

The breaking machine adopts the mechanical wire wheel breaking machine at the bottom of the pipe and is equipped with a dust recovery device, which is safe and environmentally friendly .
Lift using lifting cylinder, both ends of the drive wheel by way of a power transmission wheel lifting, the process needs to ensure that the thick-walled tube.
The secondary descaling adopts the wire wheel derusting and compressed air purging to make the outer wall cleanliness of the steel pipe meet the requirements and improve the adhesion of the epoxy powder.

11, the release platform

  The upper tube, the lower tube and the transition platform are all welded with 20# GB-shaped I-beam to ensure the rigidity of the platform. (The length is determined by the user and made by the user).

12, manufacturing and installation schedule

The production period is 50 days from the effective date of the contract, and the installation period is 20 days (the installation conditions are available).

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