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Dryer cylinder


Key words:

Dryer cylinder


Classification:


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The dryer cylinder is a hollow cylinder made of cast iron with covers at both ends.


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Detailed introduction

Drying cylinder is made of cast iron with a cover at both ends of the hollow cylinder, by the cylinder and its ends of the cylinder cover, the outer diameter of more than 1000-3000mm, in the process of operation, the internal steam will be transported to the paper drying scalding. Saturated steam from the steam connector through the condensation inside the drying cylinder, the heat released to make the drying cylinder temperature rises, which will be wrapped in the roll shell surface running paper heating. The heat is transferred to the paper by the contact between the paper and the cylinder surface. Individual journals are bolted to the dryer head, the dryer shell is ground externally and rotated internally, while all dryer journals with steam or condensate tubes have insulating sleeves. The inner surface has grooves for fixing siphon tubes, and all dryer fronts have manholes. The evaporation intensity per unit volume can be up to 120-180kg/m3 , with advanced technology, reasonable operating parameters and simple and feasible operation. The equipment adopts material and hot airflow drying process, widely used.
The main parts of the drying cylinder include: shell, drying rod, siphon tube, manhole cover, shell head, self-aligning roller bearings, steam joints and so on.

Technical parameter

Diameter

Design Pressure Mpa

Material

Hardness

Width

Shell Thickness

Roughness

Working Speed

1500

0.3-0.8

HT250-300

190-240

350-10000

25-32

0.2-0.4

200-1200

1800

0.3-0.8

HT250-300

190-240

350-10000

28-36

0.2-0.4

200-1200

2000

0.3-0.8

HT250-300

190-240

1350-5000

30-40

0.2-0.4

200-1200

2500

0.3-0.8

HT250-300

190-240

1350-5000

32-47

0.2-0.4

200-500

3000

0.3-0.8

HT250-300

190-240

1350-5000

37-56

0.2-0.4

200-600

3660

0.3-0.8

HT250-300

190-240

1350-5000

40-65

0.2-0.4

200-1200

3680

0.3-0.8

HT250-300

190-240

1350-5000

As Required

0.2-0.4

200-1200

≤1500

0.3-0.5

HT200-250

190-240

1350-5000

18-27

0.2-0.4

200-1200

 

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