What is a Combi Boiler? Guide to Types, Size, Pros & Cons

What is a combi boiler & how does it work? There are 3 types of boiler: regular, system and combi. While traditional regular boilers are fed a supply of cold water from a large feed and expansion tank in the attic, a combi boiler takes its water supply directly from the mains delivering a stronger pressure (as does a system boiler).

Learn More

International Journal of Oil, Gas and Coal Technology

The results show that the water consumption amount during shale gas extraction in the Changning-Weiyuan area is 21594.26 m3, which is smaller than the amount of 28105.94 m3 in the Fuling area, and the water consumption amount during shale gas extraction in the Yanchang area is estimated to be between the consumption amounts in the above two

Learn More

Water Handbook - Boiler Feedwater Deaeration | SUEZ

only a small quantity of steam must be vented, because most of the steam used to scrub the water is condensed and becomes a part of the deaerated water; In order to deaerate the boiler feedwater, water is sprayed into a steam atmosphere. This heats the water to within a few degrees of the temperature of the saturated steam.

Learn More

Condensation - Wikipedia

Condensation is the change of the physical state of matter from the gas phase into the liquid phase, and is the reverse of vaporization.The word most often refers to the water cycle. It can also be defined as the change in the state of water vapor to liquid water when in contact with a liquid or solid surface or cloud condensation nuclei within the atmosphere.

Learn More

Should I replace my conventional boiler with a combi

Sep 23, 2019 · Hi RT, combi boilers dont tend to have hot water tanks unless for some reason you are producing hot water (for showers etc) with an immersion and then just using your combi boiler for heating. 99.9% of the time though a combi boiler does both it does your hot water and heating and therefore you can completely do away with the hot

Learn More

Boiler water treatment - Lenntech

The treatment and conditioning of boiler feed water must satisfy three main objectives:. Continuous heat exchange; Corrosion protection; Production of high quality steam; External treatment is the reduction or removal of impurities from water outside the boiler. In general, external treatment is used when the amount of one or more of the feed water impurities is too high to be tolerated by the

Learn More

Fresh Water Generator or Evaporator used on Ships

May 01, 2014 · A considerable amount of fresh water is consumed in a ship. The crew consumes an average 100 liter/head/day. In a steam ship (a ship whose main propulsion unit is steam turbine or a ship which is a large tanker having steam turbine driven cargo oil pumps) the consumption for the boiler can be as high as 30 tonnes/day.

Learn More

Economizer - Wikipedia

The first successful economizer design was used to increase the steam-raising efficiency of the boilers of stationary steam engines.It was patented by Edward Green in 1845, and since then has been known as Green's economiser.It consisted of an array of vertical cast iron tubes connected to a tank of water above and below, between which the boiler's exhaust gases passed.

Learn More

Industrial boiler technology for beginners

At full capacity a boiler of this size converts 3 000 litres of fuel oil or a corresponding amount of natural gas to thermal or process heat every hour. This would be sufficient to heat more than 2 000 houses. Because of the huge volume of water and the multi-stage lead-through of

Learn More

» Processing Natural Gas NaturalGas.org

The glycol solution, bearing all of the water stripped from the natural gas, is put through a specialized boiler designed to vaporize only the water out of the solution. While water has a boiling point of 212 degrees Fahrenheit, glycol does not boil until 400 degrees Fahrenheit.

Learn More