CN201093796Y - Ammonia water absorptive refrigerating machine - Google Patents
Ammonia water absorptive refrigerating machine Download PDFInfo
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- CN201093796Y CN201093796Y CNU2007200468125U CN200720046812U CN201093796Y CN 201093796 Y CN201093796 Y CN 201093796Y CN U2007200468125 U CNU2007200468125 U CN U2007200468125U CN 200720046812 U CN200720046812 U CN 200720046812U CN 201093796 Y CN201093796 Y CN 201093796Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an ammonia absorption type refrigerator relating to the ammonia absorption type refrigerator which utilizes the diesel exhaust gas carrying on refrigeration and fresh preservation for fishing products of a fishing boat. A generator of the utility model is composed of a case and a fin pipe bundle. A lower header of the fin pipe bundle is taken as an inlet, an upper header is taken as an outlet, and the lower and the upper headers are respectively connected with corresponding pipe orifices on a distillation tower. The middle part in the distillation tower is provided with a corrugated silk screen filling layer, the upper part of the filling layer is provided with a spraying pipe for ammonia liquid refluxing, and an ammonia outlet pipe arranged at the top of the distillation tower is connected with a condenser. A liquid collecting disc in the condenser passes through a liquid sack, and is connected with the spraying pipe of the distillation tower by a U-shaped pipe. An ammonia liquid outlet at the bottom of the condenser is connected with an evaporator passing through a cooler and an expansion valve. An ammonia outlet of the evaporator passes through the cooler to be connected with an absorber. A concentrated solution outlet at the bottom of the absorber passes through a solution pump, an upper pipe bundle of the absorber and a solution heat exchanger, and to be connected with the distillation tower. The ammonia absorption type refrigerator has the purposes of lowering fishing cost and energy consumption, and extending keeping time of sea products on the sea.
Description
Technical field
The utility model relates to a kind of ammonia water absorbing refrigerator, especially a kind of ammonia water absorbing refrigerator that utilizes diesel engine vent gas to fishing boat fish product refrigerating fresh-keeping.
Background technology
Along with greatly developing of China's fishery, the fresh-keeping of marine product had higher requirement.Fish the most diesel engine that adopts more than 100 horsepowers of ship of operation at present, the tail gas heat quantity of diesel engine accounts for 25%～40% of fuel gross energy, and 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.
The research about the tail gas Refrigeration Technique aspect that utilizes diesel engine at present mostly is solid adsorption refrigeration.Solid adsorption refrigeration is because desorb and adsorption process all need the regular hour, can not realize continuous cooling, usually need the alternation in parallel of two adsorbent beds, because adsorbent is a solid, internal heat transfer can only adopt conduction pattern, exchange capability of heat is relatively poor, and the COP value of system is not high, has increased the cost of system simultaneously.Absorption refrigeration can be divided into two kinds of ammonia water absorbing and suction-type lithium bromides, and the cold of producing below 0 ℃ can only adopt the former.Though ammonia water absorbing refrigerator is the artificial cooling mode that realizes the earliest, but realize continuous cooling, but be considered to bulky usually, mode that efficient is on the low side, thereby need innovate to some extent aspect compactedness and the efficient.
The utility model content
The utility model purpose is to improve GM Refrigerator Working efficient, optimizes heat exchanger structure, reduces fishing cost and energy resource consumption, prolongs the afloat fresh keeping time of marine product.
The utility model adopts following technical scheme: comprise generator, rectifying column, condenser, subcooler, expansion valve, evaporimeter, absorber, solution heat exchanger, solution pump, choke valve; The outlet of tail gas import and tail gas is set respectively on the generator, and generator is connected with rectifying column by lower collector pipe inlet tube, upper header outlet; Rectifying column is connected with condenser by ammonia outlet pipe, ammoniacal liquor shower; Condenser is connected with subcooler by condenser ammoniacal liquor outlet, subcooler adopts the different spiral heat exchanger of channel pitch, subcooler is connected with evaporimeter by subcooler ammoniacal liquor outlet, subcooler ammonia inlet tube, subcooler is connected with absorber by subcooler ammonia outlet pipe, on the subcooler ammoniacal liquor outlet expansion valve is set; Absorber is connected with solution heat exchanger by absorber tube bank, weak solution spray distributor pipe; Solution heat exchanger is connected with rectifying column by heat exchanger ammonia outlet pipe, weak solution outlet, solution heat exchanger is connected with the upper header outlet by the concentrated solution outlet, and heat exchanger weak solution outlet is connected with the weak solution spray distributor pipe of absorber by choke valve.
Generator of the present utility model comprises housing, generator tube bank, housing is made up of tail gas import, principal piece, tail gas outlet, the tail gas import is connected with housing by the expansion horn mouth, tail gas outlet by shrink horn mouth, steering gear is connected with housing, the axial and tail gas import of described steering gear axial vertical; Generator is restrained finned tube type in the shape of a spiral, and generator tube bank stagger arrangement is arranged in the principal piece, and described generator tube bank comprises lower collector pipe inlet tube, upper header outlet and some groups of finned tube rows; 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 lower collector pipe inlet tube is provided with and the identical hole of middle lower collector pipe external diameter, also is provided with on the sidewall of upper header outlet and the identical hole of middle upper header external diameter, and the number in described hole is identical with finned tube row's group number; The sealing of lower collector pipe inlet tube one end, the other end is the import of generator ammonia spirit; The sealing of upper header outlet one end, the other end is a generator ammonia outlet.
The utility model is provided with detachable window on the housing of generator.
Condenser of the present utility model comprises housing, heating surface bank, catch tray, and housing is made up of cylinder section, left end socket and right end socket; Cylinder section is connected with left end socket by first flange, and cylinder section is connected with right end socket by second flange; Between above-mentioned catch tray and the right end socket tube sheet is set, is connected demarcation strip between tube sheet and the right end socket inwall; On the right end socket cooling water inlet and coolant outlet are set, cylinder section is provided with supporting leg, and the top of housing is provided with the ammonia inlet tube, and the bottom of housing is provided with the bottom liquid capsule, and the bottom liquid capsule is provided with the ammoniacal liquor outlet; Heating surface bank is divided into heating surface bank, following heating surface bank; Between last heating surface bank and the following heating surface bank catch tray is set, housing is provided with side liquid capsule, and side liquid capsule is connected with catch tray, and side liquid capsule is provided with the outlet of backflow ammoniacal liquor.
Absorber of the present utility model adopts horizontal tube shell type structure, comprises housing, and housing top is provided with the ammonia import, and housing bottom is provided with the liquid capsule; The liquid capsule is provided with the low-press thick taphole; Two tube sheets are set on the housing, and two tube sheets are connected to down the two ends of heating surface bank, connect the female pipe of import on the tube sheet, and the female pipe of import is gone up and connected 2～6 spray distributor pipes, on the every spray distributor pipe through hole is set; Also comprise concentrated solution cooling down absorption segment assembly, comprise heating surface bank, last tube bank inlet plenum, last tube bank outlet chamber and the last tube bank chamber of turning back, the two ends of last heating surface bank connect a tube sheet respectively, arrange to go up tube bank inlet plenum and last tube bank outlet chamber about on the tube sheet therein, arranging the tube bank chamber of turning back on another tube sheet, arrange the concentrated solution inlet tube on the last tube bank inlet plenum, arrange concentrated solution outlet, above-mentioned spray distributor pipe in the last tube bank outlet chamber, be provided with silk screen corrugated filler layer between each layer pipe of last heating surface bank and following heating surface bank.
Subcooler adopts the different spiral heat exchanger of channel pitch.Solution heat exchanger adopts spiral heat exchanger.
Compared with prior art, the utlity model has following advantage:
(1) because the diesel engine vent gas temperature is higher, to have ready conditions and adopt the higher GAX circulation of efficient, the efficient of this ammonia water absorbing refrigerator is very high, and its coefficient of performance COP can reach more than 0.5.And under similarity condition, the coefficient of performance COP of existing absorption type scheme has only about 0.2.This means and to overcome that the absorption type scheme can not be leaned on tail gas refrigeration fully and still need be with the defective of ice.
(2) it is simple in structure to form the finned-tube bundle generator scheme by finned tube and collector, and efficient is higher; Directly feed ammonia spirit in the pipe, make it in finned-tube bundle generator and rectifying column, to constitute the free convection circulation.Improve and the cost reduction than the scheme efficient of transmitting heat by intermediate medium or heat pipe.
(3) the utility model adopts the exteenal reflux mode that catch tray is set in condenser to supply rectifying required ammoniacal liquor, has reduced the number of heat exchanger, saves 1 reflux condenser (being to need the seawater heat exchanger of cleaning regularly), thereby has simplified system flow and operation; And, can utilize gravity force liquid-supply because the catch tray position is higher, save 1 ammoniacal liquor pump; Because the shared ratio of the liquid measure of condensing that catch tray is collected is fixed, and can guarantee suitable reflux ratio automatically, needn't use other regulative mode again.
(4) incorporated the heat-transfer area (going up tube bank) of the required solution cooling absorber of GAX circulation in the absorber of this programme.The same shell-and-tube heat exchanger that adopts with condenser of absorber is for convenience seawater side heating surface (in the pipe) to be done regularly to clean.
(5) subcooler of the present utility model and solution heat exchanger all adopt spiral heat exchanger, compact conformation not only, and solved the countercurrent heat-transfer problem that other little type heat exchanger is difficult to realize; Solution heat exchanger has comprised the GAX circulation solution and has added the required heat-transfer area of heater, just in time can realize vapor-liquid separation in the semicircle chamber of the center of spiral heat exchanger, and ammonia and the ammonia solution adapter from the last lower half circle end cap respectively flow out.
(6) evaporimeter of the present utility model adopts direct vaporation-type, has simplified system, reduces cost and operating cost, and can raise the efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model generator.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the cutaway view of Fig. 2.
Fig. 5 is the utility model structure of condenser schematic diagram.
Fig. 6 is the A-A cutaway view of Fig. 5.
Fig. 7 is the structural representation of the utility model absorber.
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the right view of Fig. 7.
The specific embodiment
As shown in Figure 1, comprise generator 1, rectifying column 2, condenser 3, subcooler 4, expansion valve 5, evaporimeter 6, absorber 7, solution heat exchanger 8, solution pump 9, choke valve 10; Tail gas import 111 and tail gas outlet 116 is set respectively on the generator 1, and generator 1 is connected with rectifying column 2 by lower collector pipe inlet tube 121, upper header outlet 122; Rectifying column 2 is connected with condenser 3 by ammonia outlet pipe 21, ammoniacal liquor shower 22; Condenser 3 is connected with subcooler 4 by condenser ammoniacal liquor outlet 31, subcooler 4 adopts the different spiral heat exchanger of channel pitch, subcooler 4 is connected with evaporimeter 6 by subcooler ammoniacal liquor outlet 41, subcooler ammonia inlet tube 42, subcooler 4 is connected with absorber 7 by subcooler ammonia outlet pipe 43, on the subcooler ammoniacal liquor outlet 41 expansion valve 5 is set; Absorber 7 is connected with solution heat exchanger 8 by absorber tube bank 71, weak solution spray distributor pipe 73; Solution heat exchanger 8 is connected with rectifying column 2 by heat exchanger ammonia outlet pipe 81, weak solution outlet 83, solution heat exchanger 8 is connected with upper header outlet 122 by concentrated solution outlet 82, and heat exchanger weak solution outlet 83 is connected with the weak solution spray distributor pipe 73 of absorber 7 by choke valve 10.
Generator 1 of the present utility model comprises housing 11, generator tube bank 12, housing 11 is made up of tail gas import 111, principal piece 113, tail gas outlet 116, tail gas import 111 is connected with housing 11 by expansion horn mouth 112, tail gas outlet 116 by shrink horn mouth 115, steering gear 114 is connected with housing 11, the axial and tail gas import 111 of described steering gear 114 axial vertical; Generator tube bank 12 is finned tube type in the shape of a spiral, and generator is restrained 12 stagger arrangement and is arranged in the principal piece 113, and described generator tube bank 12 comprises lower collector pipe inlet tube 121, upper header outlet 123 and some groups of finned tube rows 122; Lower collector pipe 1221, middle upper header 1223 and the some finned tubes 1222 that are connected between centre lower collector pipe 1221, the middle upper header 1223 in the middle of above-mentioned every group of finned tube row 122 comprises; Middle lower collector pipe 1221 be arranged in parallel with middle upper header 1223, correspondence position on middle lower collector pipe 1221 and middle upper header 1223 sidewalls is provided with several through holes respectively, the diameter of described through hole is identical with the external diameter of finned tube 1222, and the number of through hole is identical with the radical of finned tube 1222; Lower collector pipe 1,221 one ends sealing in the middle of above-mentioned, the other end is connected with inlet lower collector pipe 121, above-mentioned middle upper header 1,223 one ends sealing, the other end is connected with outlet upper header 123; The sidewall of lower collector pipe inlet tube 121 is provided with and the identical hole of middle lower collector pipe 1221 external diameters, also is provided with on the sidewall of upper header outlet 123 and the identical hole of middle upper header 1223 external diameters, and the number in described hole is identical with finned tube row 122 group number; The sealing of lower collector pipe inlet tube 121 1 ends, the other end is generator ammonia spirit import 1211; The sealing of upper header outlet 123 1 ends, the other end is a generator ammonia outlet 1231.
The utility model is provided with detachable window 1131 on the housing 11 of generator 1.
Condenser 3 of the present utility model comprises housing 34, heating surface bank 32, catch tray 33, and housing 34 is made up of cylinder section 311, left end socket 312 and right end socket 313; Cylinder section 311 is connected with left end socket 312 by first flange 314, and cylinder section 311 is connected with right end socket 313 by second flange 315; Between above-mentioned catch tray 33 and the right end socket 313 tube sheet 3112 is set, is connected demarcation strip 3131 between tube sheet 3112 and right end socket 313 inwalls; On the right end socket 313 cooling water inlet 3132 and coolant outlet 3133 are set, cylinder section 311 is provided with supporting leg 3115, the top of housing 34 is provided with ammonia inlet tube 3116, and the bottom of housing 31 is provided with bottom liquid capsule 3114, and bottom liquid capsule 3114 is provided with ammoniacal liquor outlet 31; Heating surface bank 32 is divided into heating surface bank 3321, following heating surface bank 322; Between last heating surface bank 321 and the following heating surface bank 322 catch tray 33 is set, housing 34 is provided with side liquid capsule 3113, and side liquid capsule 3113 is connected with catch tray 33, and side liquid capsule 3113 is provided with backflow ammoniacal liquor outlet 31131.
The workflow of this refrigeration machine is as follows: the ammoniacal liquor of supplying with evaporimeters 6 through subcooler 4 and expansion valve 5 from condenser 3 absorbs evaporimeter 6 and flashes to ammonia after low-temperature heat quantity is finished process of refrigerastion, after heating up, subcooler 4 enters absorber 7, by the weak solution falling film absorption of spray on last heating surface bank 741, heating surface bank 741 belongs to the solution cooling absorber in absorber 7, the latent heat of vaporization that discharges is used for the heating to concentrated solution, logical cooling water (seawater) in the heating surface bank 742 is drawn remaining latent heat of vaporization heat that absorption process discharges under the absorber.The concentrated solution that absorber 7 bottom liquid capsules are collected is after solution pump 9 boosts, enter last heating surface bank 741, solution heat exchanger 8 heat temperature raisings of absorber successively, because the weak solution temperature in solution heat exchanger 8 opposite side passages is higher, concentrated solution is partly vaporized, therefore concentrated solution enters the second half experience generating process of solution heat exchanger 8, and this solution heat exchanger 8 becomes and comprised the heat exchanger that solution adds heater.Just in time can realize vapor-liquid separation in the semicircle chamber of the center of spiral heat exchanger, rich ammonia and the ammonia solution adapter from the last lower half circle end cap respectively flow out.Rich ammonia is introduced in the rectifying column 2, and ammonia spirit then flow to the bottom solution outlet of the rectifying column 2 that links to each other with the lower collector pipe import 121 of generator tube bank 12; Generator 1 forms the condition that free convection circulates with the lower space of rectifying column 2, and diesel engine vent gas is introduced through tail gas import 111, restrains 12 o'clock release heat and exports 116 through tail gas by generator and draw; After the rich ammonia that produces behind the concentrated solution absorption heat in the generator tube bank 12 enters rectifying column 2, be upward through screen waviness packings, and produce the exchange of adverse current caloic between the ammoniacal liquor that filler flows downward by gravity from being distributed in of condenser 3, realize rectifying through shower.Ammonia flows into condenser 3 from rectifying column 2 top exit pipes 21, discharge the latent heat of vaporization to behind the cooling water, the part ammoniacal liquor enters rectifying column 2 through catch tray 33, side liquid capsule 3113 and U type pipe, and all the other ammoniacal liquors are circularly cooling once more, and cooling water can be seawater or other solution; Rectifying column 2 bottoms are provided with the weak solution outlet, and weak solution enters the weak solution spray distributor pipe 73 of absorber 7 after solution heat exchanger 8 coolings and choke valve 10 decompressions, and solution is also finished circulation.
Claims (7)
1. an ammonia water absorbing refrigerator is characterized in that comprising generator (1), rectifying column (2), condenser (3), subcooler (4), expansion valve (5), evaporimeter (6), absorber (7), solution heat exchanger (8), solution pump (9), choke valve (10); Tail gas import (111) and tail gas outlet (116) is set respectively on the generator (1), and generator (1) is connected with rectifying column (2) by lower collector pipe inlet tube (121), upper header outlet (122); Rectifying column (2) is connected with condenser (3) by ammonia outlet pipe (21), ammoniacal liquor shower (22); Condenser (3) is connected with subcooler (4) by condenser ammoniacal liquor outlet (31), subcooler (4) adopts the different spiral heat exchanger of channel pitch, subcooler (4) is connected with evaporimeter (6) by subcooler ammoniacal liquor outlet (41), subcooler ammonia inlet tube (42), subcooler (4) is connected with absorber (7) by subcooler ammonia outlet pipe (43), and expansion valve (5) is set on the subcooler ammoniacal liquor outlet (41); Absorber (7) is connected with solution heat exchanger (8) by absorber tube bank (71), weak solution spray distributor pipe (73); Solution heat exchanger (8) is connected with rectifying column (2) by heat exchanger ammonia outlet pipe (81), weak solution outlet (83), solution heat exchanger (8) is connected with upper header outlet (122) by concentrated solution outlet (82), and heat exchanger weak solution outlet (83) is connected with the weak solution spray distributor pipe (73) of absorber (7) by choke valve (10).
2. a kind of ammonia water absorbing refrigerator according to claim 1, it is characterized in that above-mentioned generator (1) comprises housing (11), generator tube bank (12), housing (11) is made up of tail gas import (111), principal piece (113), tail gas outlet (116), tail gas import (111) is connected with housing (11) by expansion horn mouth (112), tail gas outlet (116) by shrink horn mouth (115), steering gear (114) is connected with housing (11), the axial and tail gas import (111) of described steering gear (114) axial vertical; Generator tube bank (12) is finned tube type in the shape of a spiral, and generator tube bank (12) stagger arrangement is arranged in the principal piece (113), and described generator tube bank (12) comprises lower collector pipe inlet tube (121), upper header outlet (123) and some groups of finned tube rows (122); Lower collector pipe (1221), middle upper header (1223) and the some finned tubes (1222) that are connected between centre lower collector pipe (1221), the middle upper header (1223) in the middle of above-mentioned every group of finned tube row (122) comprises; Middle lower collector pipe (1221) be arranged in parallel with middle upper header (1223), correspondence position on middle lower collector pipe (1221) and middle upper header (1223) sidewall is provided with several through holes respectively, the diameter of described through hole is identical with the external diameter of finned tube (1222), and the number of through hole is identical with the radical of finned tube (1222); Lower collector pipe (1221) one ends sealing in the middle of above-mentioned, the other end is connected with inlet lower collector pipe (121), above-mentioned middle upper header (1223) one ends sealing, the other end is connected with outlet upper header (123); The sidewall of lower collector pipe inlet tube (121) is provided with and the identical hole of middle lower collector pipe (1221) external diameter, also be provided with on the sidewall of upper header outlet (123) and the identical hole of middle upper header (1223) external diameter, the number in described hole is identical with finned tube row's (122) group number; The sealing of lower collector pipe inlet tube (121) one ends, the other end is generator ammonia spirit import (1211); The sealing of upper header outlet (123) one ends, the other end is generator ammonia outlet (1231).
3. group is characterized in that according to the described a kind of ammonia water absorbing refrigerator of claim 2 housing (11) is provided with detachable window (1131).
4. a kind of ammonia water absorbing refrigerator according to claim 1, it is characterized in that above-mentioned condenser (3) comprises housing (34), heating surface bank (32), catch tray (33), housing (34) is made up of cylinder section (311), left end socket (312) and right end socket (313); Cylinder section (311) is connected with left end socket (312) by first flange (314), and cylinder section (311) is connected with right end socket (313) by second flange (315); Between above-mentioned catch tray (33) and the right end socket (313) tube sheet (3112) is set, is connected demarcation strip (3131) between tube sheet (3112) and right end socket (313) inwall; Be provided with on the right end socket (313) that cooling water enters (3132) and cooling water goes out (3133), cylinder section (311) is provided with supporting leg (3115), the top of housing (34) is provided with ammonia inlet tube (3116), the bottom of housing (31) is provided with bottom liquid capsule (3114), and bottom liquid capsule (3114) is provided with ammoniacal liquor outlet (31); Heating surface bank (32) is divided into heating surface bank (3321), following heating surface bank (322); Between last heating surface bank (321) and the following heating surface bank (322) catch tray (33) is set, housing (34) is provided with side liquid capsule (3113), side liquid capsule (3113) is connected with catch tray (33), and side liquid capsule (3113) is provided with the backflow ammoniacal liquor and goes out (31131).
5. a kind of ammonia water absorbing refrigerator according to claim 1, it is characterized in that above-mentioned absorber (7) adopts horizontal tube shell type structure, comprise housing (72), housing (72) top is provided with ammonia import (721), and housing (72) bottom is provided with liquid capsule (722); Liquid capsule (722) is provided with low-press thick taphole (7221); Two tube sheets (7222) are set on the housing (72), two tube sheets (7222) are connected to down the two ends of heating surface bank (742), tube sheet (7222) is gone up and is connected the female pipe of import (7223), the female pipe of import (7223) is gone up and is connected 2～6 spray distributor pipes (73), on the every spray distributor pipe (73) through hole is set; Also comprise concentrated solution cooling down absorption segment assembly (74), comprise heating surface bank (741), last tube bank inlet plenum (743), last tube bank outlet chamber (744) and the last tube bank chamber (745) of turning back, the two ends of last heating surface bank (741) connect a tube sheet (7222) respectively, arrange about on the tube sheet therein and go up tube bank inlet plenum (743) and last tube bank outlet chamber (744), arranging the tube bank chamber (745) of turning back on another tube sheet, last tube bank inlet plenum (743) is gone up and is arranged concentrated solution inlet tube (7421), last tube bank outlet chamber (744) goes up and arranges concentrated solution outlet (75), above-mentioned spray distributor pipe (73), be provided with silk screen corrugated filler layer (76) between each layer pipe of last heating surface bank (741) and following heating surface bank (742).
6. a kind of ammonia water absorbing refrigerator according to claim 1 is characterized in that subcooler (4) adopts the different spiral heat exchanger of channel pitch.
7. a kind of ammonia water absorbing refrigerator according to claim 1 is characterized in that solution heat exchanger (8) adopts spiral heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200468125U CN201093796Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200468125U CN201093796Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093796Y true CN201093796Y (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200468125U Expired - Lifetime CN201093796Y (en) | 2007-09-21 | 2007-09-21 | Ammonia water absorptive refrigerating machine |
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| Country | Link |
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| CN (1) | CN201093796Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135507B (en) * | 2007-09-21 | 2010-06-02 | 东南大学 | Ammonia water absorbing refrigerator |
-
2007
- 2007-09-21 CN CNU2007200468125U patent/CN201093796Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135507B (en) * | 2007-09-21 | 2010-06-02 | 东南大学 | Ammonia water absorbing refrigerator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080730 Effective date of abandoning: 20070921 |