Public vacuum apparatus of cogeneration

The utility model relates to a public vacuum apparatus of cogeneration, including deaeration in condenser ware water tank and condenser, deaeration in condenser ware water tank and condenser all include the vacuum pipe connection mouth, and the vacuum pipe connection mouth of deaeration in condenser ware water tank and condenser passes through on vacuum pipe connection arrives 2 interfaces of preceding three -way, all are provided with the electrical control valve on deaeration in condenser ware water tank and preceding tee junction's vacuum pipe, on condenser and preceding tee junction's the vacuum pipe, the remaining interface of preceding tee bend through interface connection of female guan yuhou three -way, back three -way is left two interfaces to be passed through the vacuum pipe and is connected with water ring vacuum pump, the utility model discloses merge into one set with two sets of vacuum pumping system, reduce vacuum pump quantity. Both simplified system had reduced the construction investment ag