Transport container

Abstract

A transport container for helium, with an inner container for receiving the helium, a coolant container for receiving a cryogenic liquid (N2), an outer container, in which the inner container and the coolant container are contained, a thermal shield, in which the inner container is contained and which can be actively cooled with the aid of a liquid phase of the cryogenic liquid (LN2), the thermal shield having at least one first cooling line, in which the liquid phase of the cryogenic liquid can be received for actively cooling the thermal shield, and an insulating element, which is arranged between the outer container and the thermal shield and which can be actively cooled with the aid of a gaseous phase of the cryogenic liquid (GN2), the insulating element having at least one second cooling line, in which the gaseous phase of the cryogenic liquid can be received.

1 . A transport container for helium comprising:
 an inner container for receiving helium,   a coolant container for receiving a cryogenic liquid,   an outer container in which the inner container and the coolant container are contained,   a thermal shield which the inner container is contained and which can be actively cooled with the aid of a liquid phase of the cryogenic liquid, wherein the thermal shield has at least one first cooling line in which the liquid phase of the cryogenic liquid can be received for actively cooling the thermal shield, and   an insulating element arranged between the outer container and the thermal shield and which can be actively cooled with the aid of a gaseous phase of the cryogenic liquid, wherein the insulating element has at least one second cooling line in which the gaseous phase of the cryogenic liquid can be received for actively cooling the insulating element,   wherein the at least one second cooling line is in direct fluid connection with the coolant container in order for the gaseous phase of the cryogenic liquid to be received from the coolant container.   
     
     
         2 . The transport container according to  claim 1 , further comprising a phase separator for separating the liquid phase of the cryogenic liquid from the gaseous phase of the cryogenic liquid, and wherein the transport container has a plurality of second cooling lines and at least one of said plurality of second cooling lines is in direct fluid communication with the phase separator and at least another of said plurality of said second cooling lines is in direct fluid communication with the coolant container. 
     
     
         3 . The transport container according to  claim 2 , wherein the phase separator is in fluid connection with the coolant container with the aid of the at least one first cooling line. 
     
     
         4 . The transport container according to  claim 2 , wherein the phase separator is arranged between the at least one first cooling line and the at least one second cooling line. 
     
     
         5 . (canceled) 
     
     
         6 . The transport container according to  claim 1 , wherein the at least one second cooling line is led through the insulating element. 
     
     
         7 . The transport container according to  claim 6 , wherein the insulating element having multiple alternately arranged layers of a reflective film and a spacer, and the at least one second cooling line is led through between the layers. 
     
     
         8 . The transport container according to  claim 7 , wherein the insulating element has at least one heat conducting film to which the at least one second cooling line is connected in a thermally conducting manner, and the at least one heat conducting film is positioned between the layers of the reflective film and the spacer. 
     
     
         9 . The transport container according to  claim 8 , wherein the at least one heat conducting film encloses the thermal shield. 
     
     
         10 . The transport container according to  claim 8 , wherein the insulating element has multiple heat conducting films, and layers of the reflective film and the spacer are arranged between the heat conducting films. 
     
     
         11 . The transport container according to  claim 10 , wherein said transport container has a plurality of the second cooling lines, and each of the heat conducting film is assigned one of said second cooling lines and each of the heat conducting films is connected to the second cooling line assigned thereto in a thermally conducting manner. 
     
     
         12 . The transport container according to  claim 11 , wherein the second cooling lines are in fluid connection with one another with the aid of pipe bends. 
     
     
         13 . The transport container according to  claim 8 , wherein the at least one heat conducting film is thicker than the reflective film. 
     
     
         14 . The transport container according to  claim 1 , wherein the coolant container is arranged outside the thermal shield. 
     
     
         15 . The transport container according to  claim 14 , wherein the thermal shield has a cover portion which is separate from the coolant container and is arranged between the inner container and the coolant container. 
     
     
         16 . The transport container according to  claim 7 , wherein the reflective film is aluminum foil and the spacer is glass paper. 
     
     
         17 . The transport container according to  claim 8 , wherein the at least one heat conducting film is aluminum or copper foil. 
     
     
         18 . The transport container according to  claim 8 , wherein the at least one heat conducting film is copper foil. 
     
     
         19 . The transport container according to  claim 1 , wherein the thermal shield comprises a cylindrical base portion having two ends which is closed at each end thereof by a cover portion, and one of the cover portions of said thermal shield is arranged between the inner container and the coolant container. 
     
     
         20 . The transport container according to  claim 1 , wherein the thermal shield is spaced from the inner container to provide a first intermediate space, and the thermal shield is spaced from the outer container to provide a second intermediate space, and said thermal shield is fluid permeable so that said first intermediate space is in fluid communication with said second intermediate space. 
     
     
         21 . The transport container according to  claim 20 , further comprising a further insulating element which encloses the inner container, said further insulating element comprising a copper layer which faces the thermal shield and a multilayer insulating layer arranged between the copper layer and the inner container, said insulating layer comprises multiple alternately arranged layers of a reflective film and a spacer. 
     
     
         22 . The transport container according to  claim 1 , wherein at least one first cooling line is fluid communication with a lower region of the coolant container to receive cryogenic liquid coolant therefrom, and the at least one second cooling line is in fluid connection with an upper region of the coolant container to receive boil-off gas therefrom.