| 摘要 |
<p>PURPOSE:To prevent geysering by allowing gas to flow into a transport pipe little by little to stimulate the low-temperature liquid in the transport pipe. CONSTITUTION:The gas generated in a transport pipe 3 enters a tube 10 through a rise section 3a. When the liquid level in the tube 10 is pressed by the gas and lowered to the lower limit, an adjustint valve 13 is opened by a signal from a liquid level controller 11, and the gas in the tube 10 is discharged through a pipe 12. In case a transport pump 2 is stopped and the low-temperature liquid in the transport pipe 3 does not flow, an adjusting valve 8 is opened by a signal from a flow controller 9. Accordingly, part of the gas evaporated in a tank 1 and pressurized by a compressor 5 is continuously fed little by little into the transport pipe 3 from a pipe 6 through an orifice 7. Therefore, the low-temperature liquid in the transport pipe 3 is applied with stimulation by the gas, thus the heating of the low-temperature liquid in the transport pipe 3 is prevented thereby geysering can be prevented.</p> |
