The difference between the superheated steam and saturated steam and measuring method

Abstract: the difference between the superheated steam and saturated steam and measurement information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Steam is zui in industrial production is a common power energy medium, can also be used for heating and sterilizing, humidification, etc. , are visible in all walks of life to, the following simple about the production of steam and variety distinguish: what we are water vapor, it comes from. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the difference between the superheated steam and saturated steam method and measurement details. Steam is zui in industrial production is a common power energy medium, can also be used for heating and sterilizing, humidification, etc. , are visible in all walks of life to, the following simple about the production of steam and variety distinguish: what we are water vapor, it comes from the water, under the pressure of certain heating water, water temperature rise, with heating when the temperature rises to a certain temperature, water begins to boil, then the temperature is called boiling temperature of water. Such as continuing heating, water temperature remains constant, the water began gasification, and gradually turned into steam. Under the pressure of water in a boiling temperature also known as the saturation temperature. The size of the temperature and pressure, the greater the pressure, the higher the boiling temperature; Conversely, low pressure, the boiling temperature is low. If the saturated steam to continue heating, the temperature will rise, and more than the saturation temperature under pressure. This more than called superheated steam of the steam saturation temperature. Handled without overheating steam is called saturated steam. It is colorless, tasteless, not burning and non-corrosive gases. One to one correspondence between the temperature and pressure of saturated steam, only one between the two independent variables; Saturated steam condenses, easy to heat loss, if any, in the process of transmission in the steam has liquid droplets or fog formation, and leads to the decrease of temperature and pressure. Containing liquid droplets or fog called wet steam of steam. Strictly speaking, more or less saturated steam two phase fluid containing liquid droplets or fog, so can't use the same gas under different condition described by the equation of state. Saturated steam reflects the content of liquid droplets or fog in the quality of the steam, general use this parameter to represent the dry degree; Accurate measurement of saturated steam flow is difficult, because of the saturated steam dryness is difficult to guarantee, generally flowmeter can accurate detection of two phase fluid flow, steam pressure fluctuations will cause the change of steam density, flow meter to generate additional value for error. So in the steam metering, must try to keep the steam dryness measurement point to meet the requirements, and compensation measures should be taken when necessary, to achieve accurate measurement. Superheated steam after long distance transportation, as the operating conditions ( Such as temperature, pressure) Changes, especially in the case of temperature is not high, make it by temperature to reduce heat loss from overheating in saturated or oversaturated, into a saturated steam or supersaturated steam with water droplets. Saturated steam drastically reduced pressure, the liquid in the adiabatic expansion will be transformed into superheated steam, forming gas-liquid two phase flow medium. Superheated steam density is determined by the two parameters of steam temperature and pressure, and within the scope of the different parameters, the density of expression is not the same, can't expressed in the same general formula, so cannot obtain the formula of uniform density, only individual temperature and pressure compensation formula is obtained. In place of temperature, pressure range is bigger, in addition to the temperature and pressure compensation, also need to consider on the gas expansion coefficient & epsilon; The compensation. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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