CASE STUDY (3)
Case Study (3)
Solvent DMSO (dimethyl sulfoxide) feed at the polymerization process of PAN (polyacrylonitrile) for carbon fiber
Issues to solve
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DMSO is a highly hygroscopic and flammable solvent. No leaks required.
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Use of metal pump.
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Alternative to canned motor pump. (improved maintainability)
BEFORE:
Sanwa Pump used
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Canned motor pumps used.
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Initial introduction cost is low, but repair cost is equivalent to initial cost.
AFTER:
Sanwa Pump used
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adopted
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Stable 24hr operation achieved.
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Realize cost and time rationalization for maintenance works.
Testimonials
(converted in English)
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Stable operation and maintenance-saving performance that does not make you feel the presence.
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When repairs are required, cost and time are saved compared to canned pumps.
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With the low maintenance frequency, it contributes to labor saving.
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I realized that SiC bearings can be used semi-permanently with almost no wear.