Product Introduction
Drying Cylinder (papermaking steam dryer cylinder) is core drying component for all kinds of papermaking production lines, widely matched with crescent tissue machines, fourdrinier cultural paper machines, white board paper machines, coating machines and extrusion lamination machines. Saturated steam fed inside heats the cylinder body, paper web clings to mirror surface for rapid dewatering and drying to realize paper setting. Integrally cast with high-strength cast iron, inner wall with precisely machined steam circulation channel, high-precision mirror polished outer shell with uniform heat conduction, suitable for 24-hour high-speed continuous papermaking. It is divided into standard drying cylinders and large-diameter Yankee drying cylinders.
Machine Structure & Configuration
Cylinder Main Body
Integrally cast high-toughness ductile iron barrel, two-end sealing flange, large drive gear ring
01
Internal Heat Exchange System
Spiral steam guide groove, built-in condensed water siphon discharge device, central steam inlet shaft head
02
Outer Surface Treatment
CNC high-precision mirror polishing, surface non-destructive flaw detection
03
Matching Auxiliaries
Special dryer bearing seat, steam rotary joint, steam trap, drive gear, siphon elbow pipe
04
Type Classification
Standard drying cylinder, large-diameter Yankee tissue crepe drying cylinder
05
Standard Technical Parameters
|
Material |
QT500–7 high-toughness ductile iron; |
|
Standard Diameter |
φ800 / φ1000 / φ1200 / φ1500 / φ1800 / φ2500 / φ3000 / φ3600mm; |
|
Applicable Steam Pressure |
0.4–0.8MPa; |
|
Machining Process |
Integral casting → heat treatment rough machining → internal groove processing → hydraulic pressure flaw detection → outer circle mirror polishing; |
|
Optional Matching |
Bearing seat, rotary joint, siphon assembly, drive gear set, whole cylinder renovation repair service. |
Core Advantages
Integral ductile iron casting with high pressure & thermal fatigue resistance, factory hydraulic flaw detection eliminates cylinder burst risk under high-pressure steam condition, much longer service life than ordinary gray cast iron dryers;
Built-in spiral flow guide + siphon drainage realizes even internal steam circulation without accumulated water, tiny cylinder temperature difference delivers flat dried paper free of wrinkles, warpage and color difference to upgrade finished paper grade;
High-precision mirror polished shell realizes tight web contact for high heat efficiency and steam energy saving, anti-stick surface reduces cleaning downtime and raises equipment operating rate;
Two types: standard drying cylinder & large Yankee tissue crepe cylinder, widely compatible with coating, white board, thermal, carbonless and tissue production lines with strong versatility;
Full diameter & width non-standard customization, complete auxiliary parts including bearing seat and rotary joint available in set supply, old cylinder polishing & flaw detection renovation service cuts customer replacement cost;
Suitable for 24-hour full-load high-speed continuous papermaking, high-strength drive gear ring and flange avoid deformation & resonance vibration of wide large cylinders under long-term operation.
About Us
Shandong Jialong Electromechanical Equipment Co., Ltd. is a key enterprise engaged in papermaking machinery manufacturing in China. Equipped with over 100 advanced production facilities, we offer more than 60 product specifications across 8 series, all featuring superior quality and reliable performance.
Contact Us
If you need more comprehensive and detailed information about our company, please contact us.
FAQ
Q: What paper machines are drying cylinders matched with?
A: Fourdrinier board & cultural paper machine, crescent tissue machine, thermal /carbonless/white board coating machine, extrusion lamination machine for paper web drying.
Q: Does each cylinder pass pressure test before delivery?
A: Yes, every finished cylinder undergoes hydraulic pressure test and non-destructive flaw detection to ensure safe high-pressure steam operation.
Q: Why design internal spiral steam guide groove?
A: Make steam circulate evenly around cylinder wall to reduce temperature difference, avoid local over-drying paper defects and eliminate internal condensed water accumulation vibration.