Dezhou Guanhua Textile Machinery Co.,Ltd

Relax Dryer

DGHG2800 THREE PASS HIGH EFFICIENT DRYER (TENSIONLESS DRYER):This machine adopts three pass web belts tensionless drying, the hot air from the large centrifugal blower goes through the fabrics, the fabrics...

DGHG2800 THREE PASS HIGH EFFICIENT DRYER (TENSIONLESS DRYER):This machine adopts three pass web belts tensionless drying, the hot air from the large centrifugal blower goes through the fabrics, the fabrics are shrunk through the three layers web belts, during the drying period, the fabrics move in large wave mode, completely non tension.

Usage of the Machine:
This machine adopts three pass web belts tensionless drying, the hot air from the large centrifugal blower goes through the fabrics, the fabrics are shrunk through the three layers web belts, during the drying period, the fabrics move in large wave mode, completely non tension.
The fabrics stay long time in the drying chambers; so that the water inside the fiber and outside the fiber is uniform, eliminate the difference of the fabrics two sides radically. If fabrics dried by single pass dryer, inside and outside water of the fiber is difference, outside is too dry and inside is too wet, after treated, the fabrics colors changed, reduce the fabrics quality. But the three pass relax dryer had overcome this point.
The fabrics treated by this machine have soft hand-feeling, low water shrinkage and fabrics quality is enhanced. It has the advantage of saving energy、high efficient, high automatic and easy to operate. So it has become one of the most ideal drying devices.
The appearance of the machine is beautiful, the entire frame, chambers, panels are made of super carbon steel, and surface are specially treated.

Main Parameter and Requirements:

Chamber Chamber length m Speed
(m/min)
Diamension(L*W*H) Power (KW) Power of oil heater DN oil/steam oil
4 8.67 3-30 12880*4800*4500 99.5 100 DN125/DN100 720
6 12.9 5-45 17100*4800*4500 147.5 120 DN150/DN125 1080
8 17.13 5-45 21330*4800*4500 191.5 150 DN200/DN150 1440

Design Drawing:

Introduction
● The drying machine is used for drying cylinder and open-width fabric with three-layer belt. Because of circulating drying and run under different speed, the fabric could keep in loosen circumstance without any tension during the drying process.
● We provide corresponding machine according to different types of fabric to meet your requirements totally.
● Based on the different width of belt, we could supply different models as following:
DGHG-2000mm/2400mm/2800mm/3200mm(standard)/3600 mm
● Based on the different heat sources, we could supply the following models with six heating methods:
1. Steam (0.8MPa) 2. Steam (2.8MPa) 3. Heat conduction oil 4.Gas (direct combustion) 5. Gas (indirectly) 6. Biofuel
● Our machines are equipped with conveyor belt made of Teflon material, it could bear high temperature and not pollute the fabric with non-staining.

Typical Products Information

Model GHHG2800
Name Relax Dryer
Application Drying the fabric, eliminating exceeding water and achieving the natural moisture content of the fabric
Suitable Fabric knitted and Woven Fabric

Technical Dates

Max. Working Width 2400mm
Machine Speed 0-50m/min
Chamber Nos 4 Sets
Power Supply 380V·3P·50HZ
Weight of Machine ≈24.5T
Working Type Three-layor net belt cycling
Net Belt Type Glass fiber with PTFE coated
Driving Type for net belt PLC+Inverter control
Heat-setting Type Natural Gas heating hot air circulating
Max Drying Temperature 160ºC
Temp. control type Automatically regulate two chambers temperature as one section
Length of Chamber 2.1M
Thickness of Insulation Board 105mm
Machine Dimension L=12500mm  W=4500mm  H=3400mm

Cost & Consumption

No Item Max.Temp Specification Consumption
1 Natural Gas 160ºC  P≈2Kpa – 3.5Kpa / 35544KJ /(8500KCal)/m³  8-13m3/H·Chamber(6.5-10.5kg)
Electricity
No Item Specification Consumption
1 Chamber blower motor etc 22KW/section
2 Main Driving & Control Motor etc 16.5KW
Total Power 94.5KW
Working Consumption ≈40KW
Compressed Air source 
No Item Specification Consumption
1 Compressed Air 0.35-0.6Mpa clean compressed air /

Machine Structure:
Fabrics infeed section
Fabrics exit section
Controlling valve
Thermo oil heating method adopts
Bealz brand electric three way valves that made in Germany
Steam heated:adopts pneumatic direction changing valve.
Heat recycle system
Except the first chamber, the left chambers equips heat recycle sytem per chamber.
Electrical control
1. Electric controls adopts programme controlling method, equips blowers starting in sequence system, faulty fabrics protecting system, emergency cooling system, counter-clockwise system
2. Electric component adopts Taiwan Delta inverter, France Schneider low voltage apparatus. temperature controller brand is Honeywell of America(±3℃).

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