Critical Elements that Contribute to Effective Cost ReductionClean, Cool Inlet Air: Cooler air means less work is required to produce line pressure. Ideally, the air intake should be located
Correct Air Filter Capacity and Condition: Take readings from the instrumentation installed in the suction line between the filter and compressor at each shift to check for leakage (insufficient vacuum) or excessive restriction (too much vacuum). Using the correct filter can produce a dollar benefit through longer filter change intervals and/or reduced load time.
Optimum Compressor Operating Temperature:
Abnormally high operating temperatures can result in a fire or explosion, so take steps to maintain proper temperatures as recommended by the compressor manufacturer. As a rule of thumb for reciprocating compressors, maintain the
water temperature at 10ºF above the inlet air temperature to prevent moisture from condensing in the cylinders of watercooled
compressors. Cooling water outlet temperatures should not exceed 120ºF. To ensure proper operating temperatures, never start a compressor with water flow and cease flow when the compressor is shut down. Control proper temperature by periodically inspecting and cleaning water jackets. Measuring temperature difference between inlet and outlet water pipes helps determine when the water jacket requires cleaning. If air cooled, routinely check that the fins are not clogged with dirt.
Proper Lubricant and Feed Rate: To allow compressors to perform correctly, select lubricants with characteristics suited
to your service conditions. Best practice considerations include ensuring cleanliness in storing and dispensing these lubes and
the application of correct quantities.
Efficient Air Cooling Systems: Between stages of air-cooledcompressors, air is directed by a fan. Clogged dirt restricts proper cooling. Adequate means for separating, trapping and draining water
Safe Storage of Reserve Air Capacity: An air receiver is an essential part of most plant air systems. Arrange receivers to
completely drain entrained oil or water condensed from air or carried over from after-coolers. Also, a spring-loaded safety
valve, installed at the receiver and tested regularly, helps ensure safe operations.
Delivery of Dry Air To Point of Use at Required Pressure: Up to five percent of plant maintenance costs can be spent combating the damaging effects of unwanted moisture in compressed air systems. Frequently, air discharged from compressors is cooled in after-coolers in order to remove water and thus prevent or minimize the condensation of moisture in the air distribution system. Dryers may also be required. Routine inspection and maintenance helps ensure dry air and delivery at the intended pressure. Loss of pressure
between the compressor and the point of use is unrecoverable and, therefore, money out of your pocket. A good rule of
thumb to remember is that air pressure below 90 psi is too low for air devices to operate at 100 percent efficiency.
[p]Air Line Lubricators: Air line lubricators provide lubrication to devices run by compressed air. Typically, a lightweight oil,
easily carried by the air, helps operational efficiency. Keep the oilers full and replace oil that appears to be milky or dirty.
Minimized Air Leaks: Air leaks anywhere in the air system cause the compressor to compress more air than it needs to
thus increasing your operating costs. Air leaks can be easily located with ultrasonic leak detectors.
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Schulz air compressors are built with the latest technologies and specifications. For more than 50 years, Schulz has been producing solutions that drive the market to continuous technological advancements. As one of the largest manufacturers of air compressors in the world, Schulz has a highly skilled research and development department that is always striving for the latest innovations in compressed air technology.