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  • How the natural circulation is achieved in boiler by

    This seems like a simple question but the complete answer is very complicated. At its simplest, natural circulation is established by heating some water more than another part. Hot water (and especially steam) is less dense than cold water so the Learn More

  • Eight crew killed by steam-boiler explosion aboard Norway

    Feb 28, 2007 · Investigators also found that the water wall header of the boiler had significant material failure. Headers are devices that facilitate the distribution of water or steam in a boiler system. The water wall header introduces cold water into the system via a series of pipes attached to a reservoir, and steam headers distribute steam produced by Learn More

  • Make-up water for steam boiler — Heating Help: The Wall

    November 2005. The make up water for two Weil-Mclain 88 boilers with an output of 3100lb/hr of steam each. They run the the heat and hot water where I work and are using a lot of water because of bad traps. I wanted to replace all the traps this summer but working for the state is not like working in the real world.Learn More

  • Kimmel Collection: Richard J. Smith boiler

    The center one is a water wall 8" in diameter tight wound around the central stove pipe. spacing between the coils so that as the hot gases rise they can flow completely around the tubing so that all of the tube surface is a heat exchanger. Water flow is as follows: cold water in …Learn More

  • Trouble Shooting Guide2 - Boston Heating Supply

    large draws of domestic water. - Remove and examine the dip tube located in the cold water inlet. Replace if damaged. A broken or melted dip tube will cause the cold water to discharge across the top of the tank, thus short cycling the water heater. Check the operating temperature of the boilerLearn More

  • Producing Hot Water by Direct Steam Injection final

    Producing hot water by direct steam injection provides a solution where large volumes of hot water at precise temperatures are required, and where energy and space savings are factors in system design. They are often used for boiler feed water tanks, storage tanks and silos, and heating cryogenic fluids. on the cold water, and then Learn More

  • Packaged Storage Water Heaters Completely Assembled

    Packaged Storage Water Heaters. Maintains temperature + or – 4 degrees from setpoint and offers maintenance free operation. Senses blended water temperatures for instant smooth opening and closing of steam or boiler water control valve. Provides rapid response to the temperature and flow requirements of the cold water supply.Learn More

  • How to design high-efficiency hot-water systems for hospitals

    Oct 24, 2016 · Field-built water-tube boilers and manufactured water- and fire-tube boilers from 500 to 2,000 hp or more are present at most large hospital campuses. The inherent design of these boilers as noncondensing limits their efficiency, even in ideal conditions.Learn More

  • need steam boiler / hot water combo suggestions — Heating

    It does not specify what the water temperature or the outside air temperature for this is, but it should give a general idea about its heat loss. I do have 1/2" foam rubber insulation on all the pipes (to and from the boiler, cold water supply, and hot water out -- even the P/T valve for a foot or so.) and the pipes are arranged to trap heat loss.Learn More

  • SERVICE TECHNICIAN'S TROUBLE SHOOTING GUIDE FOR …

    for applications in which there are large draws of domestic water. - Remove and examine the dip tube located in the cold water inlet. Replace if damaged. Abroken or melted dip tube will cause the cold water to discharge across the top of the tank, thus short cycling the water heater. Check the operating temperature of the boilerLearn More

  • Steam Power II Test #3 Flashcards | Quizlet

    Circulation of boiler water to the water wall tubes is maintained by the _____. a) water screen tubes b) risers c) downcomers high steady steaming boiler loads d) large and rapid changes in furnace temperature. D. When preparing to light off a cold boiler equipped with a return flow fuel oil system, theLearn More

  • FT Series Floor Boiler | Laars

    The FT Series boiler's advanced fire tube heat exchanger uses the latest technology in fire tube construction with a corrosion-resistant stainless steel dsign, resulting in quick heating response, ultra high efficiency & years of reliable service. At 38" tall this powerhouse can manage today's heating & hot water …Learn More

  • 250+ TOP MCQs on Boiler Classification and Answers

    B. Mobile boiler C. Fire tube boiler D. Water tube boiler View Answer. Answer: D clarification: Water tube boilers are those in which the products of combustion (Hot flue gas) surround the water tubes from outside. Cold water enters the tubes and leaves hot. These boilers operate at very high pressures and are used for power generation.Learn More

  • How the natural circulation is achieved in boiler by

    This seems like a simple question but the complete answer is very complicated. At its simplest, natural circulation is established by heating some water more than another part. Hot water (and especially steam) is less dense than cold water so the Learn More

  • Boilers & Boiler Equipment - Boiler Supply

    Features small, medium or large storage volumes with standard 150 PSIG, completely skid assembled with quality components and proven design. Senses blended water temperatures for instant smooth opening and closing of steam or boiler water control valve. Provides rapid response to the temperature and flow requirements of the cold water supply.Learn More

  • 250+ TOP MCQs on Boiler Classification and Answers

    B. Mobile boiler C. Fire tube boiler D. Water tube boiler View Answer. Answer: D clarification: Water tube boilers are those in which the products of combustion (Hot flue gas) surround the water tubes from outside. Cold water enters the tubes and leaves hot. These boilers operate at very high pressures and are used for power generation.Learn More

  • Steam Power II Test #3 Flashcards | Quizlet

    Circulation of boiler water to the water wall tubes is maintained by the _____. a) water screen tubes b) risers c) downcomers high steady steaming boiler loads d) large and rapid changes in furnace temperature. D. When preparing to light off a cold boiler equipped with a return flow fuel oil system, theLearn More

  • Boiler Tube - Webco Industries

    Boiler Tube. Since 1969, Webco has provided seamless carbon/alloy and welded carbon tubing products for pressure tube applications in petrochemical, commercial fire and water boiler service, and requirements in a variety of other industries. Today, Webco is the only full-line manufacturer of welded boiler tubing in the United States.Learn More

  • 12 Ways To Avoid Boiler Tube Corrosion

    May 04, 2010 · water surrounding the bubbles. Penetration as high as 50 percent of the tube wall has been known to take place in one stagnant period of two weeks duration. Once these pits form, they proceed rapidly even under operating conditions. Why New Tubes Corrode Sometimes a set of new tubes installed in a boiler has been found to last less than a year Learn More

  • Seamless Steel Pipe/Tube (SMLS Pipe/Tube), Seamless Pipe

    Seamless steel pipe has better pressure capacity, strength is higher than ERW welded steel pipe. So it is widely applied in high pressure equipment, and thermal, boiler industries. Generally the welding seam of the welded steel pipe is the weak point, the quality affect overall performance. ASTM Standard for seamless steel pipe.Learn More