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Oil-free Screw Air Compressor

  • 料號：ZW Series
  • ● ZW-series air compressors provide clean, quality oil-less compressed air by applying water lubrication method for compression process.

商品詳細介紹Product Introduction

The ZW series oil-free single screw air compressor is both eco-friendly and energy-efficient. The compressor uses pure drinkable water as a lubricant, which is used for sealing, cooling, and lubrication. The water is injected and fills the gaps inside the compressor chamber to minimize the leaking of compressed air, significantly reducing power consumption and ensuring better compression efficiency than dry compressors. When compared to single stage dry compressors, the ZW series have a 15% increased capacity. The compression cycle produces near-ideal isothermal compression to ensure high compression efficiency. The compressor also produces sterile compressed air and uses oil-free lubricant to minimize environmental pollution and maintenance costs. The compressor is designed with a unique single-screw force-balance structure with low operating noise. 


New Perspectives of the Actuation of Environmental Protection


ZW-series air compressors provide clean, quality oil-less compressed air by applying water lubrication method for compression process.




100% OIL-FREE COMPRESSED AIR
Certified in compliance with ISO 8573-1
2010 TÜV No.3080686

Features of FUSHENG "intelligent" compressor controller
1. 7" LCD full color, touch panel, user interface for simple and convenient operation.
2. Multiple link control available, no link panel required, meeting various demand from customers.
3. Power saving / Local / Remote/ Auto / Manual multiple operating modes.

4. Real time alarm and warning display for full control of various conditions.
5. Actively power saving and protect design for high efficiency power saving and loading control.
6. Control system functions.



● Status display
● Alarm function
● System time parameters
● System maintenance
● Shutdown protection
● Failure time record
● Control function
● System parameters inquiry

High Efficiency:
ZW-series lubricant water has three functions:
● It serves as sealant, coolant and lubricant.
● Sealing function reduces/seals "blow hole" between rotors and housing to absolute minimum, ensuring efficient compression with delivered air volume per horse power increased by 15% as compared to general dry-type screw units.
● Lubricant water also very effectively absorbs and dissipates heat generated during compression process.

High Reliability:
● ZW-series applies rotary single screw air-end. By being in market ever since 1982., it has undergone practical operating for over 30 years. All of its air quality, power saving and high reliability features have turned out to be state of the art in design and performance. Air and water are becoming a major trend in compressor market due to their high compatibility, availability, reliability and environment friendliness.
 
Long Interval Maintenance Periods:
● Nearly ideal isothermal compression, direct drive method, smart configuration and precision component design and machining, long bearing service life; all of the above essentially extends intervals between regular periodical maintenance.

Instrument 
Air Highly          
Efficient Air Supply


"All-in-one": Simple
installation, high quality and
low total cost investement


Medical Air Supply
100% Oil-free
Clean air


Small number of component
parts and and consumable material
Low maintenance cost 



Hsing Yow quick and good service





Water Lubricated Oil-free Air Compressor application industries:

● Drying
● Agitation
● Air blowing
● Painting dressing
● Chemical analysis
● Instrument control
● Bacteria cultivation
● Petrochemical industry
● Steel and Hi-tech industries
● Food and Chemical industries
● Powdered substance conveyance
● Papermaking and Textile industries
● Electronics and Appliance industries
● Pharmaceutical and Medical industries


Dry air:
Lubricant water has low viscosity, which enables water and air to separate easily. Water content can be separated preliminarily within the water-air tank. Compressed air has a relative humidity of 100% and if equipped with a dryer, can be dried up without installing a water discharge device in the pipeline.

Low noise design:
The air-sealing effect of water lubrication can reduce the compressor rotation speed, and have the structure of compressing chamber realize the design of force balance. The installation of an additional set of new-type soundproof enclosures reduces noise obviously.


Environmental protection:
1. Proper materials and treatment are applied to the air compressor and other fittings to prevent corrosion. Advanced materials such as ceramics and carbon fiber are used for the compression chamber gaskets. Admixture filtering and auto-change of lubricating water by a high performance precision water filter endures clean, quality lubricant water.

2. Built-in sacrifical anode
    - Reduce and inhibit line scale and corrosion.
    - Prevent bacteria algae and slime.



No axial force on the rotors, while nearby acting forces work in a state of equilibrium. These features plus the design of floating gate rotor lead to air sealing and enhance its reliability.

Near isothermal compression:
Thermal energy and water film, arising from the compressed air cooled by the lubricant water that has been injected into the compression chamber, seals up rotor gaps to prevent air back flow. The ideal isothermal compression thus achieves optimum efficiency. Theoretically, when air at 20°C is compressed to 7kg/cm2G in a thermal insulation process, the discharge air temperature will be over 250°C . Injection of lubricating water that has a cooling effect, into the compression chamber will bring the temperature down to about 40°C , achieving high efficiency ideal isothermal compression.

Oil-Free System Structure:
In conjunction with the wear-resistant flat bearing, high performance ceramic bearings constitute
a big air chamber between the mechanical bearing seal and the bearing to keep the compression
chamber clean, and avoid the influence of compression chamber water & air and vacuum
pressure on the bearing. This increases reliability.








ZW15/22/37A System flow chart


ZW90/100/120W System flow chart


FUSHENG inverter control unit
● Microprocessor intellignent control.
● Working pressure is constantly sustained within ± 0.1kg/cm2
● Digital LC Display, easy and convenient operating.
● Complete protection functions capability.

Next to electrical power saving VSD compressor unit also ensures: 
● Stable, constantly compressed air.
● Electrical motor power factor improved.
● Reduced starting current.
● Elimination of high cut-in star delta current.
● Extended compressor unit service life.





Highly functional inverter unit and high efficiency inverter motor
● Utilizing high functional vectored inverter unit in combination with high efficiency inverter motor, increases motor power factor and saves up to 7% energy.
● Intelligent microprocessor control unit assure more efficiency and energy saving, as compared to open market accessible inverter compressors and induction motors.
● Frequency wide (50,60Hz) operational range.









Compressed air system load control
● Regardless of how many traditional compressor unit operates in the compressed air system; if one single VSD compressor unit is installed into system, it will improve efficiency of the system as much as 35%, contributing significantly to competitiveness of the production process.





Stable pressure compressed air system
● Real time response to air demand fluctuations keeps working pressure constant within ± 0.1kg/cm2.
● Saving up to 8% energy that is additionally required in traditional load/unload control compressor units due to pressure difference setting of 1kg/cm2.





Linear operating and output
● Electrical power saving up to 35% as compared to traditional modulation control compressor.
● Linear inverter control output can be achieved, depending on the extent of load. (20~100%)



Inverter starting method/operating
● Decreases starting current.
● Eliminates star delta cut-in high voltage.
● Extends compressor unit service life.










VSD compressor unit saving benefits





商品注意事項Product Notes

 
 
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