|
|
 |
|
|
Fire tube boilers and water tube boilers by Wendy zong
|
|
|
Fire tube boilers and water tube boilers |
|
|
|
|
|
Business,Business Opportunities,Manufacturing
|
|
|
Fire tube boiler . Here, water partially fills a boiler barrel with a small volume left above to accommodate the steam (steam space). This is the type of boiler used in nearly all steam locomotives. The heat source is inside a furnace or firebox that has to be kept permanently surrounded by the water in order to maintain the temperature of the heating surface just below boiling point. The furnace can be situated at one end of a fire-tube which lengthens the path of the hot gases, thus augmenting the heating surface which can be further increased by making the gases reverse direction through a second parallel tube or a bundle of multiple tubes (two-pass or return flue boiler); alternatively the gases may be taken along the sides and then beneath the boiler through flues (3-pass boiler). In the case of a locomotive-type boiler, a boiler barrel extends from the firebox and the hot gases pass through a bundle of fire tubes inside the barrel which greatly increase the heating surface compared to a single tube and further improve heat transfer. Fire-tube boilers usually have a comparatively low rate of steam production, but high steam storage capacity. Fire tube boilers mostly burn solid fuels, but are readily adaptable to those of the liquid or gas variety.
Water-tube boiler. In this type,the water tubes are arranged inside a furnace in a number of possible configurations: often the water tubes connect large drums, the lower ones containing water and the upper ones, steam and water; in other cases, such as a monotube boiler, water is circulated by a pump through a succession of coils. This type generally gives high steam production rates, but less storage capacity than the above. Water tube boilers can be designed to exploit any heat source and are generally preferred in high pressure applications since the high pressure water/steam is contained within small diameter pipes which can withstand the pressure with a thinner wall.
Fire-tube boiler with Water-tube firebox. Sometimes the two above types have been combined in the following manner: the firebox contains an assembly of water tubes, called thermic syphons. The gases then pass through a conventional firetube industrial boiler . Water-tube fireboxes were installed in many Hungarian locomotives, but have met with little success in other countries. source:news cz-boiler
Related Articles -
water, tube, boilers,
|
Rate This Article  |
|
|
|
|
|
Do you Agree or Disagree? Have a Comment? POST IT!
| Reader Opinions |
|
|
|
|
|
|
|
|
|
| Author Login |
|
|
 |
Advertiser Login
ADVERTISE HERE NOW!
Limited Time $60 Offer!
90 Days-1.5 Million Views
|
|
TIM FAY
After 60-plus years of living, I am just trying to pass down some of the information that I have lea...more
|
|
|
|
|
GENE MYERS
Author of four books and two screenplays; frequent magazine contributor. I have four other books "in...more
|
|
|
|
|
LAURA JEEVES
At LeadGenerators, we specialise in content-led Online Marketing Strategies for our clients in the t...more
|
|
|
|
|
MICHAEL BRESCIANI
Rev Bresciani is the author of two Christian books. One book is an important and concisely written b...more
|
|
|
|
|
STEPHEN BYE
Steve Bye is currently a fiction writer, who published his first novel, ‘Looking Forward Through the...more
|
|
|
|
|
LEVAL AINAH
I am an internet marketer and also an educator. My goal is to help others who are looking to improve...more
|
|
|
|
|
PAUL PHILIPS
For more articles, blog messages & videos and a free e-book download go to www.NewParadigm.ws your p...more
|
|
|
|
|
ALEX BELSEY
I am the editor of QUAY Magazine, a B2B publication based in the South West of the UK. I am also the...more
|
|
|
|
|
DONNIE LEWIS
I'm an avid consumer of a smoothie a day living, herbs, vitamins and daily dose of exercise. I'm 60...more
|
|
|
|
