What is the difference between steam and vapour? - Quora

Nov 26, 2018· Steam and vapour are quite often used interchangeably. But there is a subtle difference between the two. Look at this picture. what do you see? Most people tend to answer that the water is boiling and they can see that white smoky substance as ste

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plume from condensing boiler - Mumsnet

Hi - I've got a plume! had a condensing combi fitted in November and the pipe out is by our side door, about 7 foot from the ground. The pipe looked very odd sticking out of the house at first, but we're used to it now, and the steam/water vapour is fine - is near a window but doesn't steam it up, and is high enough not to bother anyone walking past it.

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Steam Condensation - an overview | ScienceDirect Topics

In steam-water two-phase flow lines expansion/condensation of the steam may cause pressure oscillations, vibrations, and damage to piping and electrical instruments. Examples include flow in the export steam condensation system of a marine boiler, and flow in the suppression pool and feedwater piping of nuclear power plants. Significant

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Steam Condensation - an overview | ScienceDirect Topics

In steam-water two-phase flow lines expansion/condensation of the steam may cause pressure oscillations, vibrations, and damage to piping and electrical instruments. Examples include flow in the export steam condensation system of a marine boiler, and flow in the suppression pool and feedwater piping of nuclear power plants. Significant

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Steam Turbine - Condensing or Extraction | Industrial

Superheated vapor (or dry saturated vapor, depending on application) enters the turbine, after it having exited the boiler, at high temperature and high pressure. The high heat/pressure steam is converted into kinetic energy using a nozzle (a fixed nozzle in an impulse type turbine or

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Steam Generator OR Steam Boiler?

The Steam Supply. When the steam is applied to the consumers, it condensates and thereby releases a high amount of latent heat described above. The condensate (which is hot water) can then be returned to the feed water tank, -from where it again is pumped and provided as feed water to the steam boiler / steam generator.

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Best Practices for Condensate System Piping - Plant

Condensate contains a relatively large percentage (16 percent in some cases, depending on pressure) of the energy used to produce the steam. With todays rising energy costs, facilities must return all possible condensate back to the boiler plant. The condensate should be maintained in a high-energy state or simply as hot as possible.

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Steam & Condensate | Armstrong International

Condensate recovery allows you to use all of the valuable Btu within the steam system. Depending on the pressure, condensate leaving a trap contains approximately 20% of the heat energy transferred at the boiler in the form of sensible heat. Condensate recovery systems help you reduce three tangible costs of producing steam:

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Steam and Condensate - A basic overview of a steam system

Steam passes from the boiler into the steam mains. Initially the pipework is cold and heat is transferred to it from the steam. The air surrounding the pipes is also cooler than the steam, so the pipework will begin to lose heat to the air. Insulation fitted around the pipe will reduce this heat loss considerably.

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Calculator: Flash Steam Generated by Hot Condensate | TLV

Effect of Air Mixed in Steam. Temperature drop (based on air %) Air % (based on mixture temperature) Steam & Energy Unit Cost. Energy Unit Cost; Steam Unit Cost; Boiler Efficiency; Condensate Recovery. Economic Analysis. Open System; Closed System; Heat Exchanger; Flash Steam Recovery; Pipe Sizing. Between Equipment and Trap; Condensate Recovery Pipe Sizing by Pressure Loss

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STEAM SYSTEMS - cleaverbrooks.com

the amount of saturated steam vapor to the total steam amount (which may consist of both saturated steam vapor and liquid). A 100% steam quality translates to zero amount of saturated steam liquid and, in this condition, the steam is termed to be dry. 4. The degree of superheat refers to the amount of thermal energy (heat) added to

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Steam Generator OR Steam Boiler?

In steam heating system, the steam boiler (including the steam generator boiler) is connected to the consumers through the steam and condensate piping. When the steam is applied to the consumers, it condensates and thereby releases a high amount of latent heat described above.

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What temperature does steam condense - answers.com

Turbine designers want steam to be superheated before reaching the turbine, to avoid condensation causing blade erosion, and steam producing boilers in power plants are designed to produce

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What is the difference between steam and vapour? - Quora

Nov 26, 2018· When water vapour or steam becomes visible it is when the vapour has condensed into solid droplets of water or particles of ice. Clouds are a good example for water vapour condensation. With steam, the wispy white trail seen above a kettle is water vapor which has condensed to small droplets (mist or aerosol) from cooling from the ambient air.

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THERMODYNAMICS Vapor Power Cycle The Carnot

May 08, 2009· Steam is the working fluid in the Carnot vapour cycle. Below we contemplate why this cycle is not a suitable model for a power cycle. Consider a steady-flow Carnot cycle executed within the saturation dome of a pure substance show in Figure 10-1 Process 1 to 2: the fluid is heated reversibly and isothermally in a boiler.

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Steam and Condensate - A basic overview of a steam system

The stop or crown Valve isolates the boiler and its steam pressure from the process or plant. If steam is pressurised, it will occupy less space. Steam boilers are usually operated under pressure, so that more steam can be produced by a smaller boiler and transferred to the point of use using small bore pipework.

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Condensing boiler - Wikipedia

One of the hot gases produced in the combustion process is water vapour (steam), which arises from burning the hydrogen content of the fuel. A condensing boiler extracts additional heat from the waste gases by condensing this water vapour to liquid water, thus recovering its latent heat of vaporization. A typical increase of efficiency can be as much as 10-12%.

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Condensing Boilers - American Combustion Industries

A by-product of the combustion process is water vapor (steam). This is due to the combustion of the hydrogen content of the fuel and not from the water from within the vessel. As the exhaust cools the water vapour turns from a gas to a liquid. If the return water piping is below the dew point (~140 F) this can cause condesation of the water vapor.

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Chapter 19 - Condensate System Corrosion | SUEZ

Less feedwater alkalinity means less carbon dioxide in the steam and condensate. Venting at certain points of condensation can also be effective in removing carbon dioxide. EFFECT OF OTHER CONTAMINANTS. Other contaminants in the condensate system can affect corrosion rates of iron and copper even when the pH is correctly maintained.

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Why does a condensing boiler create a plume | DIYnot Forums

Aug 07, 2016· Then please ensure he is aware that latent heat recovery in the boiler exhaust comes from the conversion of steam to condensate, not from the further cooling of condensate. During the transfer from (invisible) steam to (visible) vapour the temperature remains constant.

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