The Influence Of Cooling Problems On Chemical Pumps

The transportation of large-temperature medium places greater prerequisites within the composition, components and auxiliary procedure in the pump. Let us discuss the cooling necessities of different temperature alterations and the corporation's applicable pump form:



one. For media using a temperature decreased than 120°C, there is normally no Distinctive cooling method, along with the medium alone is used for lubrication and cooling. Including DFL (W) H chemical pump, DFL (W) PH shielding chemical pump (defense level of shielded motor must exceed H quality when about ninety°C); and DFCZ typical variety and IH chemical pump can use temperature to undertake suspension composition The upper Restrict is a hundred and forty°C ~ 160°C; IHF lining fluorine pump can be utilized approximately two hundred°C; only CQB everyday magnetic pump use temperature does not exceed 100°C. It really is worthy of mentioning which the medium that is easy to crystallize or includes particles must be Outfitted that has a sealing area flushing line (designed with an interface).



2. For mediums over one hundred twenty°C and under 300°C, a cooling chamber shall be presented to the pump address. The sealing chamber shall even be linked to the coolant (with double mechanical seal), once mixed flow pump the coolant just isn't allowed to penetrate to the medium. It should be taken soon after cooling its possess medium (is often recognized by uncomplicated warmth exchanger).



three. For prime temperature medium previously mentioned 300°C, not merely the pump head element has to be cooled, but in addition the suspension bearing chamber needs to be Outfitted having a cooling method. The pump structure is generally in the shape of the central guidance. The mechanical seal is ideally a steel bellows kind, but the price is high ( The worth is much more than ten moments that of a standard machine seal).