A mixture to be used in an absorption machine

Abstract

There is disclosed an absorption machine comprising at least a first and a second compartment in fluid connection with each other, wherein the first compartment comprises at least one salt selected from the group consisting of LiBr, Lil, LiCl, Nal, and NH 4 I and wherein at least the first compartment comprises NH 3 in an amount sufficient to form a liquid together with the at least one salt in the first compartment. Advantages of using the new mixture include that an absorption machine using a salt and NH 3 can be made smaller and lighter with the same power. Further ΔT can be improved. The vapour pressure of NH 3 in the system can be kept relatively high.

1 .- 12 . (canceled) 
     
     
         13 . An absorption machine comprising at least a first and a second compartment in fluid connection with each other, wherein the first compartment comprises at least one salt selected from the group consisting of LiBr, LiI, LiCl, NaI, and NH 4 I and wherein at least the first compartment comprises NH 3  in an amount sufficient to form a liquid together with the at least one salt in the first compartment. 
     
     
         14 . The absorption machine according to  claim 13 , wherein the first compartment comprises LiI.3H 2 O. 
     
     
         15 . The absorption machine according to  claim 13 , wherein no water is present in the first compartment except water in an amount corresponding to hydrates of the at least one salt. 
     
     
         16 . The absorption machine according to  claim 13 , wherein both the first and second compartments are in heat conducting connection with at least one surrounding system adapted to transfer heat to and from said first and second compartments. 
     
     
         17 . The absorption machine according to  claim 13 , wherein the pressure can be regulated in at least one of said first and second compartments. 
     
     
         18 . The absorption machine according to  claim 13 , wherein the pressure can be held higher in one of the at least two compartments compared to the other(s). 
     
     
         19 . The absorption machine according to  claim 13 , wherein the absorption machine is a chemical heat pump working according to the absorption principle, including: a reactor part comprising the at least one salt and arranged to be heated and cooled by an external medium, an evaporator/condenser part containing the portion of the NH 3  that exists in a condensed state, and arranged to be heated and cooled by an external medium, and a channel for the vapour phase of NH 3 , the channel connecting the reactor part and the evaporator/condenser part to each other. 
     
     
         20 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises particles. 
     
     
         21 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises particles with a maximum diameter in the range 1-100 nm. 
     
     
         22 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises two dimensional particles. 
     
     
         23 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises particles comprising graphene. 
     
     
         24 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises particles comprising graphene with a size in the interval 0.01-10 μm. 
     
     
         25 . The absorption machine according to  claim 13 , wherein at least one of the first compartment and the second compartment comprises particles comprising graphene with a size in the interval 0.1-1 μm.