Claims
- 1. In a multiple effect absorption refrigeration and/or heating system including a plurality of generators and a plurality of heat exchanging recuperators, the improvement comprising:
- (a) a source of external heat in proximity to at least one of the generator means;
- (b) a first generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the first generator means surrounding the source of heat;
- (c) a first recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the recuperator means surrounding the first generator means;
- (d) a second generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the second generator means surrounding the first recuperator means; and
- (e) a second recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the second recuperator means surrounding the second generator means.
- 2. The improvement according to claim 1 wherein the coils are constructed as helices.
- 3. In a multiple effect absorption refrigeration system employing ammonia as the refrigerant and sodium thiocyanate as the absorbent comprising the solution pair, the improvement comprising:
- (a) a source of external heat in proximity to at least one of the generator means;
- (b) a first generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the first generator means surrounding the source of heat;
- (c) a first recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the recuperator means surrounding the first generator means;
- (d) a second generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the second generator means surrounding the first recuperator means; and
- (e) a second recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the second recuperator means surrounding the second generator means.
- 4. The improvement according to claim 3 wherein a strong solution is conveyed sequentially through the second recuperator, through the first recuperator, and through the first generator.
- 5. The improvement according to claim 4 wherein the recuperators comprise tube-in-tube heat transfer members.
- 6. The improvement according to claim 1 wherein the recuperator coils comprise tube-in-tube heat transfer members.
- 7. The improvement according to claim 6 wherein a strong solution is conveyed through the inner tubes of the recuperators.
- 8. The improvement according to claim 7 wherein the refrigerant is conveyed through the inner most tube of the second recuperator means.
- 9. An improvement according to claim 1 wherein the second generator comprises tube-in-tube heat transfer members.
- 10. In a multiple effect absorption refrigeration and/or heating system including a plurality of generators and at least one heat exchanging recuperator, the improvement comprising:
- (a) a source of external heat in proximity to at least one of the generator means;
- (b) a first generator means and at least one second generator means constructed as a plurality of coils with the coils juxtaposed one to the next in a generally annular composite form, with the first generator means surrounding the source of heat; and
- (c) at least one recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the recuperator means surrounding and in proximity to the first generator means or said at least one second generator means.
- 11. In a multiple effect absorption refrigeration and/or heating system including a plurality of generator means, a plurality of heating exchanging recuperator means, and a plurality of heat exchanger means comprising a first, a second, a third, heat exchangers alternately operating as condensers, evaporators, and absorbers, the improvement comprising:
- (a) a source of external heat in proximity to at least one of the generator means;
- (b) a first generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the first generator means surrounding the source of heat;
- (c) a first recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the recuperator means surrounding the first generator means;
- (d) a second generator means constructed as a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, with the second generator means surrounding the first recuperator means; and
- (e) a second recuperator means comprising a plurality of coils with the coils juxtaposed one to the next, in a generally annular composite form, and with the second recuperator means surrounding the second generator means, wherein the recuperator means comprise tube-in-tube-in-tube heat transfer members and refrigerant is conveyed from the second generator means through the tubes of the second recuperator means.
- 12. The improvement according to claim 11 wherein the refrigerant is conveyed through the inner most tube of the second recuperator means.
- 13. A system according to claim 10 wherein the recuperator means surrounds and is in proximity to the at least one second generator means.
- 14. A system according to claim 10 wherein the at least one second generator means surrounds and is in proximity to the first generator means.
CROSS REFERENCE
This application is a continuation-in-part of co-pending application Ser. No. 683,187 filed Nov. 13, 1984 now U.S. Pat. No. 4,646,541.
US Referenced Citations (10)
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
683187 |
Nov 1984 |
|