Cooling plant and corresponding thermoconvector

Abstract

The plant comprises a circuit for circulation of water (or a water mixture) with a tank ( 5 ), circulation pumps ( 7 ), thermoconvectors ( 9 ) and connection pipes ( 1, 3 ). The tank ( 5 ) has a capacity greater than the volume of water contained in the thermoconvectors ( 9 ) and in the external parts of the circuit, and said thermoconvectors ( 9 ) can be naturally self-emptying by gravity and are installed with each outlet mouth ( 9 A) for outlet of the water at a level higher than the maximum level of the water that said tank ( 5 ) can contain.

1 . A water-circulation cooling plant for premises subject to environmental temperatures below zero degrees centigrade, comprising a circuit for circulation of water (or of a water mixture) including a tank, circulation pumps, connection pipes, placed in an environment in which the temperature is maintained always above the freezing point of water, and thermoconvectors placed in an external environment, wherein said tank has a capacity greater than the volume of water contained in the thermoconvectors and in the parts of the circuit placed in said external environment, and wherein said thermoconvectors are naturally self emptying by gravity and installed with a water outlet mouth set at a level higher than the maximum level of the water that said tank can contain so that, in the periods of stoppage of the plant, as the pumps are stopped, all the water flows out of the thermoconvectors and of the external ducts of the circulation circuit and is collected in the tank, without the need for actuating any valve.  
   
   
       2 . The plant according to  claim 1 , wherein each thermoconvector includes an intake header connected to a vent pipe, the open end of each vent pipe being set at a level that exceeds the maximum hydrostatic load that can be expected in said header in conditions of normal operation.  
   
   
       3 . A water-circulation cooling plant for premises subject to environmental temperatures below zero degrees centigrade, comprising a circuit for circulation of water (or of a water mixture) including a tank, circulation pumps, connection pipes, placed in an environment in which the temperature is maintained always above water freezing point, and at least a thermoconvector placed in an external environment, wherein said tank has a capacity greater than the volume of water contained in said at least one thermoconvector and in the parts of the circuit placed in said external environment, wherein said thermoconvector include at least a water inlet mouth, a water outlet mouth and a water path between said inlet mouth and said outlet mouth, and wherein said inlet mouth is arranged at a level higher than that of said outlet mouth, said path always having an inclination downwards in the direction leading from the inlet mouth to the outlet mouth.  
   
   
       4 . The plant according to  claim 3 , wherein said thermoconvector includes an intake header connected to a vent pipe, the open end of each vent pipe being set at a level that exceeds the maximum hydrostatic load that can be expected in said header in conditions of normal operation  
   
   
       5 . A thermoconvector including at least a water inlet mouth, a water outlet mouth and a water path between said inlet mouth and said outlet mouth, wherein said inlet mouth is arranged at a level higher than that of said outlet mouth, said path always having an inclination downwards in the direction leading from the inlet mouth to the outlet mouth.  
   
   
       6 . The thermoconvector according to  claim 5 , including an intake header, wherein said intake header is connected to a vent pipe, the open end of said vent pipe being set at a level that exceeds the maximum hydrostatic load that can be expected in said header.  
   
   
       7 . The thermoconvector according to  claim 5 , including rectilinear nests of pipes mounted inclined downwards, from an intake header to an output header.  
   
   
       8 . The thermoconvector according to  claim 5 , including two nests of pipes arranged to form a V, two intake headers and two outlet headers, each intake header having an inlet mouth set at the top end of the header, and each of the output headers having an outlet mouth set at the bottom end of the header.  
   
   
       9 . The thermoconvector according to  claim 6 , including rectilinear nests of pipes mounted inclined downwards, from an intake header to an output header.  
   
   
       10 . The thermoconvector according to  claim 6 , including two nests of pipes arranged to form a V, two intake headers and two outlet headers, each intake header having an inlet mouth set at the top end of the header, and each of the output headers having an outlet mouth set at the bottom end of the header.