Condensate recirculation system in an adsorption refrigeration machine

Abstract

The invention describes a condensate return device which is arranged between a condenser and an evaporator of an absorption refrigeration machine and which is designed as a pipe which is open to vapor.

1 . A condensate recirculation device for an adsorption refrigeration machine, comprising
 at least one pipe,   wherein at least one pipe is connected to a condenser and an evaporator of the adsorption refrigeration machine so that the pipe is open to vapor and no vapor barrier is positioned in the pipe.   
     
     
         2 . The condensate recirculation device according to  claim 1 ,
 wherein   the pipe has a diameter of 0.01-15 mm.   
     
     
         3 . The condensate recirculation device according to  claim 1 ,
 wherein   the resistance coefficient of the pipe is calculated by the equation ξ=λl/d, and wherein the resistance coefficient is selected so that a loss of refrigeration capacity, as calculated by the equation Q=√{square root over (2·Δp·A 2 ·ρ·ΔH 2 /ξ)}, is less than 5% of the total refrigeration capacity.   
     
     
         4 . The condensate recirculation device according to  claim 1 ,
 wherein   a flowing fluid comprising vapor and liquid fluid is present in the pipe.   
     
     
         5 - 14 . (canceled) 
     
     
         15 . A method for condensate recirculation in an adsorption refrigeration machine comprising:
 at least one pipe, which is arranged between a condenser and an evaporator of the adsorption refrigeration machine, wherein a liquid refrigerant which is present in the evaporator and a refrigerant vapor flow through at least one pipe into the evaporator, and a power drop of the adsorption refrigeration machine of less than 5% is established.   
     
     
         16 . The method of  claim 15 , wherein the power drop that is established is less than 2%. 
     
     
         17 . A method for condensate recirculation in an adsorption refrigeration machine comprising:
 at least one pipe between a condenser and an evaporator, wherein the pipe is open to vapor and has a resistance coefficient that allows a condensed refrigerant to flow from the condenser into the evaporator without an accumulation in the condenser, wherein the flowing steam has a very low defined mass flow, and wherein the loss of refrigeration capacity resulting from the vapor flow is limited to max. 5% of the nominal refrigeration capacity.   
     
     
         18 . The method of  claim 17 , wherein the loss of refrigeration capacity resulting from the vapor flow is limited to max. 2% of the nominal refrigeration capacity. 
     
     
         19 . The condensate recirculation device according to  claim 2 ,
 wherein the pipe has a diameter of 2-10 mm.   
     
     
         20 . The condensate recirculation device according to  claim 19 ,
 wherein the pipe has a diameter of 3-6 mm.   
     
     
         21 . The condensate recirculation device according to  claim 3 ,
 wherein the loss of refrigeration capacity is less than 2% of the total refrigeration capacity.