Arrangement for transferring and utilizing heat energy

Abstract

Arrangement for transferring heat energy from a unit like heat power plant ( 1 ) which produces heat energy or from heat source locating in the nature, like from sea to a unit which utilizes heat energy, in which arrangement heat energy is transferred through a pipe system ( 2, 3 ),( 16 ) and water functions mainly as a heat transfer medium. Heat energy is transferred at such a delivery temperature of the heat transfer medium—at least at a temperature of +20 ° C., but under 60° C.—that in order to utilize the heat energy the above mentioned temperature has to be changed with the help of a heat pump ( 8 ) to be suitable for utilisation.

1 . Arrangement for transferring heat energy from a unit which produces heat energy like from heat power plant ( 1 ) or from heat source locating in the nature, like from sea to a unit which uses heat energy in which arrangement heat energy is transferred through a pipe system ( 2 ,  3 ),( 16 ) and water functions mainly as a heat transfer medium, characterized in that heat energy is transferred at such a delivery temperature of the heat transfer medium—at least at a temperature of +20° C., but under 60° C.—that in order to utilize the heat energy the above mentioned temperature has to be changed with the help of a heat pump ( 8 ) to be suitable for utilisation. 
     
     
         2 . Arrangement according to  claim 1 , characterized in that heat energy is transferred to remote users through delivery/return pipe systems ( 2 ,  3 ) which are sunk into the ground and the temperature of the transferred energy is increased by means of the heat pump ( 8 ). 
     
     
         3 . Arrangement according to  claim 1 , characterized in that the temperature of the transferred energy is lowered with the help of the heat pump ( 8 ). 
     
     
         4 . Arrangement according to  claim 1 , characterized in that the delivery temperature of the heat transfer medium varies between +20° C.-50° C. 
     
     
         5 . Arrangement according to  claim 1 , characterized in that the temperature of the return pipe system ( 2 ),( 17 ) is utilized in a cooling process. 
     
     
         6 . Arrangement according to  claim 1 , characterized in that a heat producing or delivering unit ( 1 ) is a heat energy plant, an industrial process or energy taken from nature. 
     
     
         7 . Arrangement according to  claim 1 , characterized in that free energy taken from nature is transferred by means of heat engine ( 10 - 13 ) to rotation motion, which is lead to rotate a generator ( 14 ) and/or the heat pump ( 8 ). 
     
     
         8 . Arrangement according to  claim 1 , characterized in that the transferring line of the heat energy ( 2 ,  3 );( 16 , 17 ) is lead separately to each utilizer, wherein each utilizer has at least a heat pump unit ( 8 ) with needed heat exchangers ( 4 ),( 7 ). 
     
     
         9 . Arrangement according to the  claim 1 , characterized in that the heat engine ( 10 - 13 ) is mounted to function between outdoor air, preferable cold air and available free energy having temperature about +20° C.-50° C.