| 摘要 |
Device for determination of place of location of objects in cavity of gas pipeline includes generator of sounding sound pulses, receiver of echo-signals, registration block. Device has body separated with partition into two chambers, one of those is hermetic, it includes generator of sounding pulses, and in the other one- connected to gas pipeline, receiver of echo-signals is placed. Generator of acoustic pulses consists of seat with valve installed on rod, with axial channel provided in it, this goes through horizontal opening of end head and is fixed with nut. Inlet end of the rod of generator of sounding pulses is connected through back valve to pump. In vertical opening of end head manometer is installed. |
