| 摘要 |
<P>PROBLEM TO BE SOLVED: To convey drain water without using compressed air to be supplied to a supply object of compressed air while sufficiently reducing installation costs. <P>SOLUTION: By passing drain water W stored in a drain pit P through a c port (gas/liquid opening hole) of a three-way valve 13 with respect to a compressed air inlet 11a of a water supply tank 11 in a water supply device 10 by the three-way valve 13 disposed in pieces of connection piping 15a, 15b, the drain water W is introduced into the water supply tank 11 from a drain water inlet 11b, and by passing the drain water W through a drain water outlet 110a of an air compressor 110 with respect to the inlet 11a by the three-way valve 13, drain water W and compressed air produced in the air compressor 110 are introduced into the water supply tank 11 from the inlet 11a via the pieces of connection piping 15a, 15b, and drain water W introduced from the inlets 11a, 11b is discharged from an outlet 11c by the compressed air and conveyed to an oil separator 3 via connection piping 16. <P>COPYRIGHT: (C)2012,JPO&INPIT |
