During the filling process of beer, the bottle needs to be evacuated before the filling process, in particular, the production of pure draft beer requires a higher vacuum. Pure wire machine original vacuum pump system consists of 6 sets of SIHI coaxial coaxial vacuum pump in parallel, each power 4Kw, in the production process, the start of 6 pumps using incremental (one after another start), so Requires six pumps of the technical condition is good, the pump can be normal operation.
Vacuum pump group since 2001 frequent failures, often lack of vacuum, vacuum pump motor trip and so on. As of August 2002, 9 pumps (over 40,000 yuan / set) and 8 sets of machinery parts (including pump leaves, distribution plates and mechanical seals, valued at more than 20,000 yuan / set) have been purchased, Shaft repair many times; the degree of vacuum is only -0.06Mpa, can not meet the -0.085Mpa production requirements, seriously affecting the beer quality and production efficiency.
After a careful analysis and demonstration, the switch to a 2BE1 series water ring vacuum pump (power 18Kw, pumping rate of 600m3 / h, to replace the original vacuum pump group, and install vacuum protection, water protection, anti-cavitation devices and sections Water device to ensure efficient, energy-saving, long-term reliable operation.In order to prevent sudden shutdown and other causes of air and working fluid back to the vacuum pump system, check valve installed in the intake pipe.
After the improvement of the vacuum pump system put into production, without failure, the degree of vacuum maintained at 0.084-0.092Mpa. Vacuum pump water consumption and power consumption has dropped significantly.
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