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Eddy current loss of magnetic pump

  • Categories:Industry News
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  • Time of issue:2020-04-02
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(Summary description)Magneticpumpsusepermanentmagnetcouplingtoachievecontactlesspowertorquetransmission.Inthisway,apressure-bearingshellcanbeinstalledinthemagneticfieldairgaptoisolatetheworkingmediumfromtheatmosphere,sothatthenormalshaftdynamicsealbecomesastaticseal.Thepressure-bearingshelliscommonlyknownas"isolatingsleeve",anditsinstallationpositionandworkingconditionsdeterminethespecialrequirementsfortheperformanceofthematerial.Suchashighmechanicalstrength,non-ferromagnetic,highresistivity,corrosionresistanceandsoon.Amongtheconventionalmaterials,therearenomaterialsthatsatisfyalltheconditions.Indesperation,itisnecessarytousenon-ferromagneticandrelativelyhighresistivitymetalmaterials.Suchasausteniticstainlesssteel,Hastelloy,titaniumalloy,etc.

Eddy current loss of magnetic pump

(Summary description)Magneticpumpsusepermanentmagnetcouplingtoachievecontactlesspowertorquetransmission.Inthisway,apressure-bearingshellcanbeinstalledinthemagneticfieldairgaptoisolatetheworkingmediumfromtheatmosphere,sothatthenormalshaftdynamicsealbecomesastaticseal.Thepressure-bearingshelliscommonlyknownas"isolatingsleeve",anditsinstallationpositionandworkingconditionsdeterminethespecialrequirementsfortheperformanceofthematerial.Suchashighmechanicalstrength,non-ferromagnetic,highresistivity,corrosionresistanceandsoon.Amongtheconventionalmaterials,therearenomaterialsthatsatisfyalltheconditions.Indesperation,itisnecessarytousenon-ferromagneticandrelativelyhighresistivitymetalmaterials.Suchasausteniticstainlesssteel,Hastelloy,titaniumalloy,etc.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-04-02
  • Views:0
Information

Magnetic pumps use permanent magnet coupling to achieve contactless power torque transmission. In this way, a pressure-bearing shell can be installed in the magnetic field air gap to isolate the working medium from the atmosphere, so that the normal shaft dynamic seal becomes a static seal. The pressure-bearing shell is commonly known as "isolating sleeve", and its installation position and working conditions determine the special requirements for the performance of the material. Such as high mechanical strength, non-ferromagnetic, high resistivity, corrosion resistance and so on. Among the conventional materials, there are no materials that satisfy all the conditions. In desperation, it is necessary to use non-ferromagnetic and relatively high resistivity metal materials. Such as austenitic stainless steel, Hastelloy, titanium alloy, etc.

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