RADIO FREQUENCY PACKAGE YARN DRYER

RADIO FREQUENCY PACKAGE YARN DRYER

This Package Yarn Dryer  is suitable for the drying of yarn packages after dyeing and hydroextraction.  

Machine is consists of 

1. Inlet and outlet

Including supporting frame, rectangular section tubular frame with painted protection steel plates.

Equipped with:

-Power mechanism & driving guide pulley of the conveyor belt

-Stainless steel inlet & outlet working table

-  Aluminium inlet & outlet equipped with fully welded shielding structure

- Hot air device on top of the inlet & outlet heads

- Moisture extractor blower

- Radio frequency box

- Transformer box, main electric operation box

- Water cooling device

Length: front machine frame: 2.75m, rear machine frame:2.25m

2．Conveyor belt

Connected by hard “JMX” module, width: 1.74m

The speed reducer driven by chain wheel brings along the conveyor belt to move in straight line.

The speed is controlled by inverter. A high speed device is equipped for quick output of the products from the drying cabinet.

3. Drying cabinet

Including main machine frame, rectangular-section frame, both laterals are covered by aluminium plates, with stainless steel plates on top and bottom side. Equipped with: Aluminium-magnesium alloy made capacitive electrode sQRtem consists of parallel round tubes protected with polypropylene insulation materials. Equipped with silver plated copper tuner and voltage balancing inductance.

-Total working area: 3.5m × 1.8m = 6.3m2

- Moisture pipe, 4 air outlets along the whole drying cabinet, equipped with 2 air deflation fan

-  Lateral aluminium alloy check window used for easy check on drying cabinet

- Equipped with fire extinguishing spraying

-  Module structure, length of each chamber: 4m

4. High frequency generator

XRF-85 Radio frequency dryer which is independently designed and manufactured is suitable

for industrial production.  It has high reliability and high efficiency(up to 70%).

 The components can be easily removed and installed through check window. Equipped with:

- Power feeding part has maintenance-free air cooling high voltage transformer, bridge rectifier,

with connection to the oscillating circuit through blocking capacitors, with additional control

 and protection circuits.

- RC oscillator, with lumped-component type, vacuum triode with C type oscillation mode,

LC syntonic circuit,  variable capacitor coupling circuit used for RF power adjustment,

measuring & testing circuit.

-Working frequency: 27.12MHz+0.6%

-Max. rated output power: 85kw

5. Electric working board & controller

Electric working board consists of the control of electric & electronic components for control,

instruction and protection.  The instruction & testing board is installed on one side of the machine.

With main functions of:

- Output power switch button, assistant setup and the switch button of conveyor belt

- Power regulation button

- Output power limit potentiometer

-Output power indicator

- Conveyor belt speed adjustment potentiometer, value indicator, fast switch

- Testing board with LED fault & status display

- Emergency stop switch

6. Safety guarantee & international standard for components

All the components are made by the best manufacturers from home & abroad and are sufficiently oversized for high reliability. With all the safety protection measures,such as the check window locked by safety handle, copper beryllium alloy sealing strip, high voltage circuit micro break switch, special structure to prevent electromagnetic leakage in the inlet & outlet heads. All the electrical & electronic devices comply with CEI-IEC standard, the high & low voltage circuits are completely separated, all the electromechanical devices are installed on the board indicated with number nameplates, all the ends of leads are numbered.To comply with the special regulations in different countries, the dryer is equipped with electromagnetic interference system

7. Dimension & weight : 8946mm×3026mm(max.)×3390mm, about 4.5T

8. Working requirements

Power supply: 3 phases 380V±5%, 50Hz±2%

Cooling water inlet pressure: 1 kgf/cm2, flow rate: 4m3/h

Steam pressure: 5 kgf/cm2