pls send me energy saving tips

Replace it with a centrifugal compressor.

In decending order of possible impact: Eliminate absolutely all leaks, verify that none of your actuators are oversized, adjust your pressure cut-off switch to the lowest pressure you can tolerate, ensure your air piping is a loop and well balanced and free of pipe scale (avoid black pipe if at all possible), install a large air tank at the far corner of your piping loop.

Variable speed motor on a screw compressor. Will run at the RPM's necessary to maintain the set pressure at what ever volume is being consumed.

COMPRESSED AIR SYSTEM:

· Compressors & Compressed air systems:

· Over sizing and unnecessary compressors

· Install pressure switches to coordinate operation of multiple compressors after load characteristic study

· Consider inline moisture separators to dry air, install air traps on receiver

· After cooler & Receivers

· Pressure drops & undersized mains

· Absence of Air Drain Traps and pockets

· Unengineered Air Traps & Regulators, Pressure Reducing stations

· Side/ bottom tappings

· Separate low pressure and high pressure line-system

· Pressure reducing valves for low pressure lines

· Monitor air leakage and plug leakages from air pipes, hoses, pneumatic tools, check that air compressors should not come on during the shift change or lunch break, clearly indicating air leakage in the system.

· Replacing filter elements within 3 to 4 months of use from all air filters to stop moisture carryover

· With refrigerant dryers use highest dew point settings and turn off refrigerated/heated air dryers when air compressors are off.

· Change suction and/discharge air filters immediately on pressure drops or indication.

· Replacing pneumatic operated valves with electric

· Absence of air Leakage Testing Schedule

CHILLERS & REFRIGERATION:

· Over sizing/ under sizing.

· Fouled heat exchangers

· Increasing chilled water temperature and reducing condenser water temperature to dictated manufacturer's parameters

· Use of water cooled condensers Vs air cooled

· Replace old chillers and compressors with modern high efficiency types

· Ensure correct brine/glycol concentration always

· Undertake load balancing with multiple chiller systems with PLC.

COOLING TOWERS:

· Water temperature setting as per manufacturer's parameters

· Control fans based on leaving water temperature & check for unnecessary fans in on position when plant on low load, ensure proper fan balance with periodic blade checking

· Nozzle replacement. with non-clogging types.

· Ensure air intake and exhaust are free from obstructions; check all water lines for efficient operation

· Water treatment parameters, incorporate automatic blow down

· Use of flow switches on no water flow.

· Dryers/ Heat exchangers:

· Inlet Moisture content minimization

· Bare & Exposed Surfaces

· Undersized mains after Radiators and undersized Reducing/Control Valves.

· Size & capacity of steam trap installed on drain for inefficiency can occur due to steam starvation or water logging of dryers/heat exchangers

· Automatic air vents on steam heated to increase efficiency.

HVAC:

· Building energy management system PLCs/ Controllers

· Boiler House Losses

· Proper operation all pneumatic/electrically actuated valves & controls

· Use of air-air heat exchangers for both heating and cooling the outside air to minimize energy utilization

· Maintain optimized dictated temperature (summer & winter)

· Ventilation left open when not required

· Filters fouling and cleaning chart

· Ductwork Leakage

· Insulation:

· Check all bare pipes, valves, flanges, heat exchangers, tanks, receivers, ducts and all related equipments & fittings for radiation losses and immediately insulate to save on unnecessary energy losses.