| 摘要 |
PURPOSE:To inject a liquid at high speed even with a comparatively low-pressure pump by jetting an energy-retaining gas in the same direction as the flow of the injection liquid, and transferring the energy of the gas to the injection liquid. CONSTITUTION:An energy-retaining gas jetting means 3 is provided between a conduit 1 for an injection liquid and an injection pipe 2, and an energy-retaining gas is jetted in the same direction as the flow of the injection liquid L to transfer the energy of the gas to the injection liquid L. The jetting means 3 provided with an energy-retaining gas introducing pipe 3-1, a nozzle pipe 3-2 which is joined to the pipe 3-1 with a flange, and a confluent pipe 3-3 wherein the injection liquid L and the energy-retaining gas G are joined. High-speed injection can be easily made possible with said injection device by using a low-pressure and low-injection capacity injection means.
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