Liquid methane deep supercooling and filling system and method based on anti-freezing control
A filling system and deep subcooling technology, applied in the container discharge method, piping system, container filling method, etc., can solve the problems of affecting the launch, increasing the wall thickness, and difficult to adjust the filling flow rate of liquid methane subcooling. , to achieve the effect of improving fault tolerance, reducing impact, and fully checking debugging time
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[0041] The technical solutions of the present invention will be further described below in conjunction with the drawings and embodiments.
[0042] refer to figure 1 , a liquid methane deep subcooling and filling system based on anti-freezing control, including a surface liquid methane storage tank 1, a vertical liquid nitrogen bath heat exchanger 17, and an arrow-up liquid methane storage tank 25, and the ground liquid methane storage tank 1 communicate with the pressurized gas through the first valve 2, and use the pressurized gas for extrusion filling; the surface liquid methane storage tank 1 is provided with a first safety valve 3 to prevent the surface liquid methane storage tank 1 from overpressure;
[0043] The outlet a of the surface liquid methane storage tank 1 is connected to the inlet b of the vertical liquid nitrogen bath heat exchanger 17 through the second valve 4, the third valve 5, and the fourth valve 7 to form a squeeze filling pipeline; the third The valve...
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