CN201093804Y - Ammonia water absorptive refrigerating machine generators using waste gas exhaust heat - Google Patents
Ammonia water absorptive refrigerating machine generators using waste gas exhaust heat Download PDFInfo
- Publication number
- CN201093804Y CN201093804Y CNU2007200460316U CN200720046031U CN201093804Y CN 201093804 Y CN201093804 Y CN 201093804Y CN U2007200460316 U CNU2007200460316 U CN U2007200460316U CN 200720046031 U CN200720046031 U CN 200720046031U CN 201093804 Y CN201093804 Y CN 201093804Y
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- upper header
- generator
- collector pipe
- lower collector
- outlet
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Abstract
The utility model provides a generator for an ammonia absorption type refrigerator which utilizes residual heat of waste gas, and relates to the technical field of the generator of a refrigerator. The utility model comprises a case and a pipe bundle of the generator. The case is composed of a tail gas inlet, a case primary segment and a tail gas outlet. The pipe bundle of the generator comprises an inlet lower header pipe, an outlet upper header pipe and a plurality of sets of fin pipe rows. Each set of fin pipe rows comprises a middle lower header pipe, a middle upper header pipe, and a plurality of fin pipes which are connected between the middle lower header pipe and the middle upper header pipe. The middle lower header pipe is parallel to the middle upper header pipe. One end of the middle lower header pipe is closed, and the other end is connected with the inlet lower header pipe. One end of the middle upper header pipe is closed, and the other end is connected with the outlet upper header pipe. One end of the inlet lower header pipe is closed, and the other end is taken as an ammonia solution inlet of the generator. One end of the outlet upper header pipe is closed, and the other end is taken as an ammonia gas outlet of the generator. The generator for the ammonia absorption type refrigerator has the purposes that the structure of the generator is simplified, the efficiency of generation and heat-transfer process are enhanced, and the manufacture cost of the generator is lowered.
Description
Technical field
The utility model relates to the technical field of refrigerator generators, especially a kind of generator that utilizes the ammonia water absorbing refrigerator of waste gas residual heat.
Background technology
The waste gas residual heat refrigeration has a wide range of applications, as the ship of fishing operation adopts the diesel engine more than 100 horsepowers mostly, the tail gas heat quantity of diesel engine accounts for 25%～40% of fuel gross energy, its EGT is generally about 400 ℃, even exhaust-driven turbo-charger exhaust-gas turbo charger, also greater than 300 ℃, temperature is higher for exhaust temperature, is easy to utilize.Nearly more than 20 ten thousand of China's fishing boat quantity are taked band ice to go to sea fish product is carried out fresh-keeping mostly, and its inevitable shortcoming but band ice goes to sea: the loss of cost height, ice is big, the fresh keeping time of marine product is shorter.
Ammonia water absorbing refrigerator is to realize artificial cooling the earliest, and be the device of continuous cooling, but it has been generally acknowledged that its complex structure, bulky, efficient is on the low side, fewer to its Application and Development research, thereby when adopting ammonia water absorbing refrigerator to utilize the tail gas of diesel engine to freeze, need innovate to some extent aspect simplification, compactedness and the efficient of system and device structure.
Present employed ammonia water absorbing refrigerator, need utilize intermediate medium to transmit heat, normally used intermediate medium is: water vapour, heat conduction wet goods, heat pipe etc., this not only makes complex system, and increased cost, if directly heat ammonia spirit, need to solve the channel structure problem, because the ammoniacal liquor side has the operating pressure of about 1.6MPa.
The utility model content
The utility model purpose is to simplify the structure of generator, improves the efficient that diabatic process takes place, and reduces the manufacturing cost of generator.
The utility model comprises housing, generator tube bank, housing is made up of tail gas import, housing principal piece, tail gas outlet, the tail gas import is connected with the housing principal piece by the expansion horn mouth, tail gas outlet by shrink horn mouth, steering gear is connected with the housing principal piece, the axial and tail gas import of described steering gear axial vertical; Generator is restrained finned tube type in the shape of a spiral, generator tube bank stagger arrangement is arranged in the housing principal piece, described generator tube bank comprises inlet lower collector pipe, outlet upper header and some groups of finned tube rows, and every group of finned tube row's import and export is connected with inlet lower collector pipe, outlet upper header respectively; Lower collector pipe, middle upper header and some finned tubes that are connected between centre lower collector pipe, the middle upper header in the middle of above-mentioned every group of finned tube package drawn together; Middle lower collector pipe and middle upper header be arranged in parallel, and the correspondence position on middle lower collector pipe and the middle upper header sidewall is provided with several through holes respectively, and the diameter of described through hole is identical with the external diameter of finned tube, and the number of through hole is identical with the radical of finned tube; Lower collector pipe one end sealing in the middle of above-mentioned, the other end is connected with inlet lower collector pipe, above-mentioned middle upper header one end sealing, the other end is connected with the outlet upper header; The sidewall of inlet lower collector pipe is provided with and the identical hole of middle lower collector pipe external diameter, also is provided with and the identical hole of middle upper header external diameter on the sidewall of outlet upper header, and the number in described hole is identical with finned tube row's group number; The sealing of inlet lower collector pipe one end, the other end is the import of generator ammonia spirit; The sealing of outlet upper header one end, the other end is a generator ammonia outlet.
The utility model is provided with detachable window on housing.Be used for cleaning and scrub finned-tube bundle surface dirt, improve refrigeration.
Compared with prior art, the utlity model has following advantage:
(1) under the condition that guarantees same working media outlet parameter, do not adopt water vapour, heat conduction wet goods intermediate medium or heat pipe, exhaust gas temperature is suitably reduced, to make full use of the diesel engine vent gas waste heat, this has not only simplified system, improves cycle efficieny, and can reduce cost and operating cost.
(2) the finned-tube bundle generator scheme of being made up of finned tube and 2 grades of collectors utilizes pipe to solve the channel structure problem than the dull and stereotyped much higher characteristics of withstand voltage properties; Directly feed ammonia spirit in the pipe, make it in finned-tube bundle generator and rectifying column, to constitute the free convection circulation.Reduce than the raising of scheme efficient, more compact structure, saving material and the cost that transmit heat by intermediate medium or heat pipe.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a vertical view of the present utility model.
Fig. 3 is a cutaway view of the present utility model.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, generator comprises housing 1, generator tube bank 2, housing 1 is made up of tail gas import 11, housing principal piece 13, tail gas outlet 16, tail gas import 11 is connected with housing 1 by expansion horn mouth 12, tail gas outlet 16 by shrink horn mouth 15, steering gear 14 is connected with housing 1, the axial and tail gas import 11 of described steering gear 14 axial vertical; Generator tube bank 2 is finned tube type in the shape of a spiral, generator is restrained 2 stagger arrangement and is arranged in the housing principal piece 13, described generator tube bank 2 comprises that inlet lower collector pipe 21, outlet upper header 23 and some groups of finned tube rows 22 form, and every group of finned tube row's 22 import and export is connected with inlet lower collector pipe 21, outlet upper header 23 respectively; Lower collector pipe 221, middle upper header 223 and the some finned tubes 222 that are connected between centre lower collector pipe 221, the middle upper header 223 in the middle of above-mentioned every group of finned tube row 22 comprises; Middle lower collector pipe 221 be arranged in parallel with middle upper header 223, correspondence position on middle lower collector pipe 221 and middle upper header 223 sidewalls is provided with several through holes respectively, the diameter of described through hole is identical with the external diameter of finned tube 222, and the number of through hole is identical with the radical of finned tube 222; Lower collector pipe 221 1 ends sealing in the middle of above-mentioned, the other end is connected with inlet lower collector pipe 21, above-mentioned middle upper header 223 1 ends sealing, the other end is connected with outlet upper header 23; The sidewall of inlet lower collector pipe 21 is provided with and the identical hole of middle lower collector pipe 221 external diameters, also is provided with and the identical hole of middle upper header 223 external diameters on the sidewall of outlet upper header 23, and the number in described hole is identical with finned tube row 22 group number; The sealing of inlet lower collector pipe 21 1 ends, the other end is generator ammonia spirit import 211; The sealing of outlet upper header 23 1 ends, the other end is a generator ammonia outlet 231.
The utility model is provided with detachable window 131 on housing 1.
Working method of the present utility model is as follows: diesel engine vent gas is entered in the generator body 1 by tail gas import 11 as thermal source, enter housing principal piece 13 through expansion horn mouth 12, the some groups of finned tubes of flowing through arrange at 22 o'clock with the working media in the heat transferred finned tube row 22, flow to chimney through shrinking horn mouth 15 from tail gas outlet 16 successively then.After the opposite side ammonia spirit enters from the ammonia spirit import 211 of the inlet lower collector pipe 21 of generator finned-tube bundle 2, be dispensed to each finned tube row 22, ammonia spirit is redistributed in each finned tube 222 in middle lower collector pipe 221 therein, solution produces rich ammonia after absorbing heat, after compiling by upper header 223 in the middle of each, be collected to outlet upper header 23 again, flow out from the rich ammonia outlet 231 of generator.
Claims (2)
1. ammonia water absorbing refrigerator generators that utilizes waste gas residual heat, it is characterized in that comprising housing (1), generator tube bank (2), housing (1) is made up of tail gas import (11), housing principal piece (13), tail gas outlet (16), tail gas import (11) is connected with housing principal piece (13) by expansion horn mouth (12), tail gas outlet (16) by shrink horn mouth (15), steering gear (14) is connected with housing principal piece (13), the axial and tail gas import (11) of described steering gear (14) axial vertical; Generator tube bank (2) is finned tube type in the shape of a spiral, generator tube bank (2) stagger arrangement is arranged in the housing principal piece (13), described generator tube bank (2) comprises inlet lower collector pipe (21), outlet upper header (23) and some groups of finned tube rows (22), and every group of finned tube row's (22) import and export is connected with inlet lower collector pipe (21), outlet upper header (23) respectively; Lower collector pipe (221), middle upper header (223) and the some finned tubes (222) that are connected between centre lower collector pipe (221), the middle upper header (223) in the middle of above-mentioned every group of finned tube row (22) comprises; Middle lower collector pipe (221) be arranged in parallel with middle upper header (223), correspondence position on middle lower collector pipe (221) and middle upper header (223) sidewall is provided with several through holes respectively, the diameter of described through hole is identical with the external diameter of finned tube (222), and the number of through hole is identical with the radical of finned tube (222); Lower collector pipe (221) one ends sealing in the middle of above-mentioned, the other end is connected with inlet lower collector pipe (21), above-mentioned middle upper header (223) one ends sealing, the other end is connected with outlet upper header (23); The sidewall of inlet lower collector pipe (21) is provided with and the identical hole of middle lower collector pipe (221) external diameter, also is provided with and the identical hole of middle upper header (223) external diameter on the sidewall of outlet upper header (23), and the number in described hole is identical with finned tube row's (22) group number; The sealing of inlet lower collector pipe (21) one ends, the other end is generator ammonia spirit import (211); The sealing of outlet upper header (23) one ends, the other end is generator ammonia outlet (231).
2. the ammonia water absorbing refrigerator generators that utilizes waste gas residual heat according to claim 1 is characterized in that housing (1) is provided with detachable window (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200460316U CN201093804Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine generators using waste gas exhaust heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200460316U CN201093804Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine generators using waste gas exhaust heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093804Y true CN201093804Y (en) | 2008-07-30 |
Family
ID=39901773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200460316U Expired - Lifetime CN201093804Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine generators using waste gas exhaust heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093804Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994605A (en) * | 2014-05-19 | 2014-08-20 | 东南大学 | Automatic dust removal board type falling film generation device utilizing waste heat of exhaust gas |
-
2007
- 2007-09-21 CN CNU2007200460316U patent/CN201093804Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994605A (en) * | 2014-05-19 | 2014-08-20 | 东南大学 | Automatic dust removal board type falling film generation device utilizing waste heat of exhaust gas |
| CN103994605B (en) * | 2014-05-19 | 2016-03-23 | 东南大学 | A kind of automatic ash-removing plate type falling-film generating means utilizing fume afterheat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070921 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |