Vacuum pump seal-water recycling and waste disposal system for dental operatories

摘要

A system for disposing of dental operatory effluent characterized by low water consumption for a water seal vacuum pump through the recycling of seal water, having means for controlling the temperature and vapor pressure of recirculating seal water, avoiding the presence of abrasives in seal water, reliable separation and disposal of gas-liquid-solid constituents of operatory effluent, collection and recovery of amalgam and heavy metals, and means for disinfecting the collection tank. Several embodiments of the invention are disclosed.