Facts worth knowing about Oil nozzles - Danfoss.com

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For how long can an oil nozzle be used?An oil nozzle can be used for as long as a reasonable carbon dioxidepercentage (CO 2 %) and a passably low soot count can be maintained.How long the period can be is hard to estimate since wear on the nozzledepends very much on how many hours the plant is run and how clean theoil is which passes through the nozzle.The question is often asked, ”Can an oil nozzle become worn?”. The answerof course is, ”Yes it can”. To better explain this over-simplification it isnecessary to look at the volume of oil handled by the nozzle.A 0.50 USgaUh nozzle in a normal domestic plant using 1300 USgal peryear will, during that time, operate for approximately 2650 hours.Expressing this in a more picturesque way: if the oil coming from the nozzlewere to be a long uninterrupted jet it would leave the nozzle at a velocity of45 m.p.h. To make this picture even more graphic: such an uninterrupted jetwould be about 120,000 miles long – 4 1 /2 times round the world at theequator.It is easy to see that the absence of a nozzle filter or perhaps a pump filter,the presence of dirt, this or that part defective, will considerably shorten thelife of the oil nozzle. Another danger: Heat radiation from brightly glowingfirebricks or other linings will cause oil coke build-up on the tip of thenozzle and so reduce nozzle life.16
How should an oil nozzle be handled?The short answer to this question is that an oil nozzle should be treated likethe good friend it is – protectively and considerately.To ensure that after it is installed a brand-new nozzle retains all the goodcharacteristics designed into it, it must be stored and transported with care.Storing:Always leave the nozzle in its protective coveringuntil the last minutebefore installation.Never fit a brand-new nozzle in an oil burner dueto be put in store.Handling in transit:Always use the Danfoss nozzle case for transport;the nozzle will be well-protected in this way.Never install a nozzle which is ice-cold.Wait until it becomes “acclimatized”.Do not touch the tip of the nozzle, especially with dirty fingers – the orfflceis easily blocked. To pick up the nozzle, the spanner flats are easy to grip.Never carry an unprotected nozzle in a pocket or in a toolcase.Never use excessive force when fitting the nozzle. If too much force is usedthe sealing surfaces between nozzle and fixture may be damaged.17
Page 1: Facts worth knowing aboutOil nozzle
Page 5 and 6: Oil nozzles and the complete oil-bu
Page 7 and 8: What has a Danfoss oil nozzle to of
Page 9 and 10: How does a Danfoss oil nozzle work?
Page 11 and 12: But how does the combustion itself
Page 13 and 14: What effect has atomizing pressure?
Page 15 and 16: What effect has air supply on the o
Page 17: Where must the oil nozzle be locate
Page 21 and 22: What do the numbers and letters on
Page 23 and 24: Is it possible to compare oil nozzl
Page 25 and 26: What makes the flame lopsided?A lop
Page 27 and 28: What causes oil coke on the nozzle
Page 29 and 30: What produces a greasy malodorous d
Page 31 and 32: What causes the oil to ignite with
Page 33 and 34: What causes leakage between oil noz
Page 35 and 36: Can the nozzle cause too low a flue
Page 37 and 38: What causes oil and coke to collect
Page 39 and 40: What to do with old, worn out nozzl
Page 41: Nozzle capacitiesNozzle capacities

Facts worth knowing about Oil nozzles - Danfoss.com

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