Steel pipe outside shot blasting operation line:The function is to remove the dirt, oxide scale, rust and other attachments on the steel pipe surface to improve the adhesion and quality of the coating. After derusting, the cleanliness of steel pipe is Sa2.5, and the depth of anchor pattern is 30-100um.
Derusting drive unit:The raw material steel pipe platform, transmission raceway group, raceway group connecting trailer and intermediate steel pipe platform. The bottom elevation of derusting line is 740mm.
3PE winding line:The steel pipe is heated to a certain thickness by the electrostatic spraying machine, and then the coating is extruded to a certain thickness by the electrostatic spraying machine, and then the pipe is heated to a certain thickness by the electrostatic spraying machine, and then the coating is extruded to the surface of the steel pipe with a certain thickness by the electrostatic spraying machine. After water cooling system, on-line detection and tube end grinding, the finished tube is obtained.
Water cooling system: The water cooling system is to cool the steel pipe evenly and effectively to ensure that the temperature of the steel pipe is not more than 60 ° C when the steel pipe is offline, so as to increase the cooling water quantity and improve the cooling efficiency. The system includes: pool, water pump, pipeline and valve, pool.
Powder spraying system:The high-performance circuit design makes the output voltage as high as 98Kv. At the same time, the spray gun is equipped with three air inlets to ensure that the coating is fully atomized. The reasonable spray gun layout can greatly improve the powder loading rate and improve the coating thickness uniformity.Spiral conveyor line:The technology of B & L company in Holland is adopted for the steel pipe spiral transmission line, with the operation capacity of 219-1820 × 18mm. The minimum pitch is 80mm, the maximum pitch is 240mm, and the pitch size is stepless adjustable.
Hydraulic station:The gear pump is produced by Taiwan Shengxin pvr-1, and the solenoid valve is produced by Taiwan Youyan. The system is equipped with an oil temperature forced air cooling device to start at constant temperature. The main oil circuit is made of seamless steel pipe with a diameter of 20 × 2.5. The one-way operation time of oil cylinder is less than 8 seconds, and the lifting force of single cylinder is ≥ 15t.