zsl-20/660-f2 represents a single water-cooled cooling water tank, cooling power 20kw, voltage level 660/1140v, for underground explosion-proof series.
fsl-30/380 represents a water-cooled cooling water tank with a radiator, cooling power 30kw, voltage level 380v, non-explosion-proof series.
basic technical requirements:
water quality: industrial softened water or clean tap water.
can connect to the control system for automatic control of self-circulating water cooling machine start and stop; and has temperature, flow, pressure and other parameter display functions.
provide supporting cooling water pipelines for self-circulating water cooling, requiring the use of single-layer braided high-pressure rubber hoses for easy disassembly and assembly;
the self-circulating water cooling device must have a check valve installed to prevent backflow of cooling water.
the self-circulating water cooling device must have a back pressure valve installed to prevent all cooling water in the water chamber from flowing back into the water cooling device when the mine explosion-proof three-phase permanent magnet synchronous motor (drum) is shut down.
cooling systemselection reference table:
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