Hot water and heating system operating on the basis of renewable energy carriers

Abstract

The invention relates to a hot water and heating system, which operates on the basis of renewable energy carriers.

1 . Hot water and heating system operating on the basis of renewable energy carriers, with the following features:
 at least one primary energy heat exchanger from the group: solar heat exchanger, air heat exchanger, geothermal heat exchanger,   each primary energy heat exchanger has at least one supply line used to transport a cooled brine and at least one return line used to transport the heated brine,   the return lines of the primary energy heat exchangers are connectable directly or indirectly to the following heat exchangers fluidically:   an evaporator of a heat pump, which evaporator is formed as a secondary energy heat exchanger, for transferring heat from the brine to a refrigerant,   a condenser of the heat pump, which condenser is formed as a tertiary energy heat exchanger, for transferring heat from the refrigerant to water,   an autarkic secondary energy heat exchanger for transferring heat from the brine to water, wherein   the water flowing through at least one secondary or tertiary energy heat exchanger is transportable from a buffer tank into the respective heat exchanger and from there directly or indirectly back into the buffer tank   from the buffer tank water-conducting lines run to   at least one heating circuit and/or to   at least one heat exchanger for transferring heat to a fresh water circuit.   
   
   
       2 . Hot water and heating system according to  claim 1 , in which at least one heat exchanger is configured as a plate heat exchanger. 
   
   
       3 . Hot water and heating system according to  claim 1 , the buffer tank of which is divided into different sections by floors running horizontally. 
   
   
       4 . Hot water and heating system according to  claim 1 , in which different sections of the buffer tank form different temperature zones of the water in the buffer tank. 
   
   
       5 . Hot water and heating system according to  claim 1 , in which all return lines of the primary energy heat exchangers discharge into a multiway valve. 
   
   
       6 . Hot water and heating system according to  claim 1 , in which the return line of one primary energy heat exchanger is connectable fluidically to the supply line of another primary energy heat exchanger. 
   
   
       7 . Hot water and heating system according to  claims 5  and  6 , in which the connection of return line and supply line is realized in the multiway valve. 
   
   
       8 . Hot water and heating system according to  claim 1 , in which all primary energy heat exchangers and secondary energy heat exchangers that are located in the system and through which the brine can flow, including related supply and return lines are connectable fluidically. 
   
   
       9 . Hot water and heating system according to  claim 8 , in which the connection of the primary energy heat exchangers and secondary energy heat exchangers through which the brine can flow, including related supply and return lines, is realized in the multiway valve. 
   
   
       10 . Hot water and heating system according to  claim 1 , in which all secondary energy heat exchangers and tertiary energy heat exchangers that are located in the system and through which the refrigerant can flow, including related supply and return lines, are connectable fluidically. 
   
   
       11 . Hot water and heating system according to  claim 1 , in which all secondary energy heat exchangers and tertiary energy heat exchangers that are located in the system and through which water can flow, including related supply and return lines, are connectable fluidically. 
   
   
       12 . Hot water and heating system according to  claim 11 , in which the connection of the secondary energy heat exchangers and tertiary energy heat exchanger through which water can flow, including related supply and return lines, is realized via a common mixing valve. 
   
   
       13 . Hot water and heating system according to  claims 3  and  12 , in which a plurality of water-conducting lines goes off from the mixing valve to the buffer tank, which lines discharge into different sections of the buffer tank. 
   
   
       14 . Hot water and heating system according to  claim 1 , in which at least one water line runs from a section of the buffer tank to at least one high-temperature heating circuit and at least one water line runs from a section lying beneath to at least one low-temperature heating circuit. 
   
   
       15 . Hot water and heating system according to  claim 14 , in which at least one return line of the high-temperature heating circuit discharges into a section of the buffer tank and at least one return line of the low-temperature heating circuit discharges into a section of the buffer tank lying beneath.