Condenser water chamber - choose the imported vacuum pump parameters

the condenser is a heat exchanger steam turbine exhaust steam condensation water, also known as the rehydration device. The condenser is mainly used for steam turbine power plant, divided into water cooled condenser and air cooling condenser. Surface of the water cooled condenser is mainly composed of shell and tube bundle, hot water, water chamber and other parts. The steam turbine exhaust steam through the throat into the shell, condenses into water in the cooling bundles, collected in thermal Wells, and the condensate pump. Water ( Also known as circulating water) From the water chamber into the cooling tube bundle and water chamber. This paper introduces the choosing condenser water chamber using imported vacuum pump parameters.

the condenser is one of the important auxiliary machinery plant, is mainly used for steam turbine power plants. In addition to the steam turbine exhaust steam condensation into re - used for boiler Use of water, condenser can also waste steam in steam turbines remain a vacuum.

by the module, the condenser water chamber, the exhaust up and down the neck, hot well, expansion tank, reflux pipe, water equipment, low-pressure bypass and other parts. Assembly after water pressure test, should be removed and deliver the water chamber and module factory. Among them, the condenser water chamber is mainly composed of shell, large takeover, method of LAN, round flange, etc. There are eight tank, condenser.

gas condenser water chamber and the influence of

in condenser water chamber of the space, there are a large number of gas dissolved in the water. When the cooling water in the condenser heat transfer temperature, siphonage circulating water under atmospheric pressure, pressure results in the decrease of gas solubility in water, some gas separate inevitably. Isolated gas is vented to atmosphere through the valve, the isolated gases may accumulate at the top of the water chamber or loop outlet pipe and the head of the highest part of. When the gas accumulation to a certain amount, the gas resistance can be formed, seriously affect the normal flow of circulating water cooling, and reduces the heat transfer of the condenser cooling effect, causes turbine back pressure, heat consumption increases, serious damage in circulating water system siphon, condenser water, finally forced the unit downtime, lower thermal efficiency and safety

the purpose of the condenser water indoor set import vacuum pumps

1. When the unit is started, the air in the water side can quickly take out, so can quickly fill the water reach the siphon condenser.

2。 In during the running of the unit, due to the temperature and pressure to reduce air is continuous pumping from the circulating water, that kept the condenser in the siphon is highly effective operation and circulating water pump head down.

how do you determine the choice parameters of condenser water chamber using import vacuum pumps

the amount of saturated air contained in the circulating water cooling respectively associated with water temperature and pressure. According to the air under different absolute temperature and pressure and the corresponding curves of water soluble, the air volume can be determined in the water to cool.

the water temperature is lower, the more the saturated air in the water. The lower the pressure, The higher the vacuum) , the easier it is to separate the air and water. The circulating water in the condenser with cooling water temperature increase, as the pressure flow, the siphon effect gradually reduced. The air in the cooling water is released. If there is no timely release of air discharge, water chamber of the siphon height will be affected, makes the condenser tube bundle can't feed water, thereby reducing the effective heat transfer area of the condenser, lower condenser vacuum degree, and reduce the output of the turbine.

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