The oil cooler is mounted on the side of the cylinder block. Oil coolers are typically sized using the maximum desired oil. Introduction to shell lube analyst understanding the basic tests page 4 of 24 viscosity oil thickness measurement of new and used oils characterise the lubricant as to its grade. The oil is iso vg68 and its flow rate and operating pressure are determined. A fixed orifice bypassed with a valve giving a variable orifice effect, is used in this line to reduce the flow to the proper amount. Design and optimization of lubrication oil cooler as per tema using htri software as per asme section viii division 1 article pdf available november 2016 with 1,386 reads how we measure reads. To keep the lube oil at the right temperature and the right viscosity for safe and reliable operation, alfa laval offers an extensive range of coolers and cooling skid systems from offtheshelf systems to customengineered heat exchangers. If the cooler 1224 v is mounted horizontally with the motor at the bottom, the. The ldc air oil cooler with 12 or 24 v dc motor is. The main purpose of this section is to give all operation personnel a basic understanding of. If the oil temperature becomes too high, the low viscosity makes the protective oil. This is accomplished as the heated oil travels a serpentine path through the shell.
To help our customers select the right lubricant for the job, request a copy of our lubesource product catalogue, lub 2097. Jagg oil coolers 750 vertical 6 row oil cooler, deluxe 475038. Lube oil cooler temperature control system control. Advise oil grade or viscosity vs temperature details 4. Pdf by using kern method for thermal calculation and number of iteration were. Lube oil cooler manufacturer api standard cooling system. Specializing in shell side cleaning for over twenty years, nhes patented system returns lube oil coolers to 9298% of new efficiency coolers are first placed inside the embc, a selfcontained cleaning vessel with mounted spray nozzles that completely flush debris clear through to the center of the bundle. To assure engine lubrication should the oil cooler become plugged, a bypass valve located near the top of the lower engine front cover bypasses oil from the oil pump discharge port directly to the oil. Its an informative guide that systematically narrows your lubricant choices to a. Thermex marine oil coolers have been the first choice of coolers for many marine engine and transmission manufacturers for over 30 years. Lubricant viscosity decreases dramatically with increasing temperature loglog x relationship viscosity index v.
Laboratory tests for steam and gas turbine oils mobil. Specializing in shell side cleaning for over twenty years, nhes patented system returns lube oil coolers to 9298% of new efficiency coolers are first placed inside the embc, a self. Sidebyside coolers for cooling both lube oil and compressed air from rotary screw air compressors. Asme code design heat exchangers gas turbine oil cooling our compact temptroller asme series heat exchangers are customdesigned and built to asme code to optimize liquidtoair heat transfer where greater factors of safety are required, such as in power generation and petrochemical. The official website of schaeffers specialized lubricants, manufacturer of schaeffers oil, industrial lubricants, synthetic engine oils, fuel additives, greases, gear lubes, hydraulic fluids, and transmission. Efficient turbine lube oil cooling is critical to the reliability of turbinegenerator or turbinedriven compressor applications. As a turbine oil degrades, it forms weak organic acids and insoluble oxidation products that may adhere to governor parts, bearing surfaces, reservoir walls, and lube oil coolers.
The primary purpose of lube oil coolers is to cool turbine oil. To keep the lube oil at the right temperature and the right viscosity for safe and reliable operation, alfa laval offers an extensive range of coolers. Exe according atex 949eg motor with increased protection. How engine lube oil system works in diesel electric. Dear friends, i am designing a shell and tube heat exchanger to cool the lubricating oil of an air screw compressor to replace in the existing air cooler. If the oil cooler is mounted in open air you should notice that low ambient. If the oil temperature becomes too high, the low viscosity makes the protective oil film too thin for effective protection and sealing. Join 7,300,000 engineers with over 4,180,000 free cad files join the community join 7,300,000 engineers with over 4,180,000 free cad files join the community load in 3d viewer uploaded by. As a result any leak in the cooler will mean a loss of oil and not contamination of the oil by sea water. Lube oil cooler of screw compressor posted in process heat transfer. In most cases these are better replaced in the cell by a water oil cooler circuit forming part of the cells fluid control module see figures 7.
Excellent for converting water cooled compressors to air cooled. Page 16 engine description lubricating oil schematic td 2011 l04 w example 1 lubricating oil sump 2 lubricating oil pump 3 pressure limiting valve 4 lube oil cooler 5 lubricating oil filter lube oil channel 7 lubricating oil. Lube oil temperature leaving the oil cooler is controlled by adjusting the flow of cooling water through the oil cooler automatically by a thermoregulator. All of which are necessary for optimal production for the moment, and optimum equipment reliability for the future. The 1997 and later 4l80es have a new lube system that feeds cooler return oil to the center of the case instead of to the front. Oil flow gpm min flow coolant gpm cooler pn 31178a 1pass btumin cooler pn 31105a 1pass btumin cooler pn 31255a 2pass btumin cooler pn 31234a 1pass btumin cooler pn 31127a 1pass btumin cooler pn 31192a 2pass btumin cooler pn 31179b 1pass btumin at500 175 4. Jacket water cooler stern tube lube oil cooler main engine lube oil cooler central cooling systems a central cooling system consists of central coolers that use sea water to cool a secondary circuit with fresh water. Main application ranges are engine cooling in agricultural and construction machinery. Retubeco offers a number of turbine lube oil cooler services including retubing, fixed and floating tube sheet replacement, bonnet repair or replacement, or complete tube bundle replacement. Also may be used for remote mounting of coolers from the compressor. This formula may also be used in any application where the only temperature available is the entering oil temperature. Lube oil coolers power technology energy news and market. We manufacture a number of innovative solutions for transporting and handling turbine lube oil cooler. Lubricating oil is pumped from me lo circulating tank, placed in the double bottom beneath the engine, by means of the me lo pump, to the me lo cooler.
Where the engine has oil cooled pistons they will be supplied from the lubricating oil. Design and optimization of lubrication oil cooler as per tema using htri software as per asme section viii division 1. This is simply the flow rate of the oil circulating through the cooler. Oil coolers of the air oil type that are, in a vehicle, a second and smaller version of the coolant circuit radiator. Lube oil performs many functions in turbinegeneration.
The oil cooler is circulated by sea water, which is at a lower pressure than the oil. This circuit passes through a battery of other coolers, such as lubrication oil cooler, jacket water cooler. Brazed plate heat exchangers, cb range, are highefficiency oil coolers that contribute to long, maintenancefree lifetimes for hydraulic power pack cooling. Installation and maintenance instructions for hp oil coolers hainzl. If the oil pressure is greater than the water pressure, oil will be forced into the cooling water.
Lube oil temperature in the circulating oil tank is maintained with the help of an oil pump provided with oil heater, which cuts in automatically in the event oil. We also provide accessory skids for water wash, fire suppression, denox and water injection. As a customised product or standard solution, multimedium or oilair cooler, for mobile machines or stationary. Pdf design and optimization of lubrication oil cooler as per. Lube oil temperature in the circulating oil tank is maintained with the help of an oil pump provided with oil heater, which cuts in automatically in the event oil temperature drops down to. Lubrication, seal and piping systems for turbomachinery. Each of these 4 volumes discusses one sub system of the engine. Marine oil coolers manufactured by thermex heat exchangers. Lubricating oil system for a marine diesel engine how it. Pdf design and optimization of lubrication oil cooler as. Both production and reliability are essential elements of increased profits. Coolers and heat exchangers from jbj techniques limited. Schaeffer oil synthetic motor oils, engine oils, diesel. Jagg oil coolers motorcycle oil coolers for harley.
Throughout its thirty year history, american industrial has consistently provided. Air cooled lube oil cooler comparison with and without. To calculate the oil leaving temperature from the cooler, use this formula. Find the applicable industrial lube oil system on the flow range chart. This circuit passes through a battery of other coolers, such as lubrication oil cooler, jacket water cooler, turbocharging air. On some designs, the oil coolers have the main lubricating oil filters integral with. Oil cooler bypass valve when the viscosity of the oil causes a substantial pressure drop in the oil cooler, the bypass valve will open, causing the oil to bypass the cooler until the oil is warm enough to require full oil flow through the cooler. Lube oil pump was a type 21 seal with a tungsten carbide stationary seat and a f91 carbon rotating seat. Temperature control system all engines use oil as a lubricant to seal the compression chamber and reduce piston wear and friction. This system supplies lubricating oil to the engine bearings, and cooling oil to the pistons.
However, the inlet and outlet temperature of the cooler. Oil flow gpm min flow coolant gpm cooler pn 31178a 1pass btumin cooler pn 31105a 1pass btumin cooler pn 31255a 2pass btumin cooler pn 31234a 1pass btumin cooler pn 31127a 1pass btumin cooler pn 31192a 2pass btumin cooler. In addition, the embcs kidney loop filtration system allows. Generator oil cooler dubai iveco lombardini perkins. Lube oil coolers rotating power generation equipment relies on sleeve bearings to align their shafts. This is 4 volume 3d animation series on how engines of diesel electric locomotives work. Heat, generated through friction, is picked up by the lubricating oil used in these bearings and needs to be removed. Xa 04, jebel ali freezone dubai, united arab emirates call us. Friction and the heat from combustion increase the oil temperature, reducing its viscosity. Control and oil system lubrication system the oil supplied to the lubrication system as noted above passes through the oil cooler and thence to the main bearings, thrust bearings and turning gear.
563 911 438 488 134 1363 1019 283 1357 378 1164 387 1471 1342 308 1420 623 181 168 1041 1528 1198 1485 1184 442 741 1015 1360 67 898 1109 134 637 1154 989 324 1173 1482 1132 395 238 894 83 871 1208