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Method and device for detecting a non-condensable portion of a medium which is at least in part gaseous

A technology for measuring equipment and equipment, applied in lighting and heating equipment, sanitary equipment for toilets, heat exchange equipment, etc., can solve problems such as incomplete sterilization of bacteria and reduced function of heat exchangers

Active Publication Date: 2020-09-18
ENDRESS HAUSER FLOWTEC AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In this case, non-condensable gaseous parts of the vapor (such as, for example, air) are undesirable as they reduce the function of the heat exchanger and the sterilization of the bacteria is not complete in the given situation

Method used

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  • Method and device for detecting a non-condensable portion of a medium which is at least in part gaseous
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  • Method and device for detecting a non-condensable portion of a medium which is at least in part gaseous

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Embodiment Construction

[0042] figure 1 A method 100 according to the invention is shown in which, in order to detect non-condensable parts of the medium in a first method step 101 , the temperature measuring device 20 measures the temperature of the medium and the pressure measuring device 30 measures the pressure of the medium. In a second method step 102 the electronic measurement / operation circuit 40 forms a ratio of the measured pressure to the measured temperature and compares this ratio with an expected ratio. For a medium, where its condensable portion is saturated, the saturated vapor pressure curve can be used to determine the desired temperature from the measured pressure, or the desired pressure from the measured temperature, from which the desired ratio can be determined. Saturated medium, which is at least partially in gaseous form, often flows through the pipes because the medium is introduced into the pipes due to vapor pressure brought about by boiling the condensed supply of the med...

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Abstract

The invention relates to a method (100) and a device (1) for detecting a non-condensable portion of a medium, said medium having at least one condensable portion and being at least in part gaseous, wherein: in a first method step (101), a temperature measuring device (20) measures a temperature of the medium and a pressure gauge (30) measures a pressure of the medium; in a second method step (102), a ratio of the pressure to the temperature is formed by means of an electronic measuring / operating circuit (40) and this ratio is compared to a setpoint ratio using a setpoint pressure (ps) and a setpoint temperature (Ts); and, in a third method step (103), the electronic measuring / operating circuit outputs a message in the event of a minimum deviation of the ratio from the setpoint ratio.

Description

technical field [0001] The invention relates to a method and a device for detecting undesired non-condensable fractions of a medium present in gaseous form. Background technique [0002] Gaseous condensable media, thus media in vapor form, are technically used for various purposes. Thus, for example, steam can be used to transfer energy to another medium via a heat exchanger. Steam, especially water vapor, can also be used, for example, for the sterilization of medical devices, since condensation of the water vapor releases a large amount of energy, which reliably kills undesired bacteria. [0003] In this case, non-condensable gaseous parts of the vapor (such as, for example, air) are undesirable as they reduce the function of the heat exchanger and the sterilization of the bacteria is not complete in the given situation . [0004] It is therefore an object of the present invention to provide a method and a device by means of which noncondensable fractions of a medium pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L2/07A61L2/28F28F27/00F28B9/10F22B37/38F25B43/04
CPCF28F2265/18A61L2/28F22B37/38F28F27/00F28B9/10F28F2200/00F25B21/04F25B2321/0252G01F15/08G01F1/00G01N7/00G01N11/04G01N25/02
Inventor 赖纳·赫克尔
Owner ENDRESS HAUSER FLOWTEC AG