CN203478676U - Small air-cooled absorption refrigerating machine - Google Patents
Small air-cooled absorption refrigerating machine Download PDFInfo
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- CN203478676U CN203478676U CN201320440139.9U CN201320440139U CN203478676U CN 203478676 U CN203478676 U CN 203478676U CN 201320440139 U CN201320440139 U CN 201320440139U CN 203478676 U CN203478676 U CN 203478676U
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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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Abstract
The utility model discloses a small air-cooled absorption refrigerating machine which comprises a generator, an air-cooled condenser, a throttle valve, an evaporator, an absorber, a solution pump, an air-cooled precooler, a mixer, a throttle valve and solution heat exchanger and a current diverter or an absorber circulating solution pump; a heater exchanger is arranged in the generator, and a spraying device, padding and a heat transfer pipe are arranged in the absorber. The small air-cooled absorption refrigerating machine adopts the non-adiabatic absorber and the process combination thereof, so that on the basis that the air-cooled absorption refrigerating circulation is realized, the problem that the circulation volume of the solution in the absorber must be greatly increased in the air-cooled absorption refrigerating circulation to prevent the overhigh temperature of an absorbed solution is solved, the flow and power consumption of the solution pump are reduced, the thermal load of a solution cooler is reduced, the absorption effect of the absorber is improved, the refrigerating capacity is increased, and the cycle efficiency is improved.
Description
Technical field
The utility model relates to a kind of Absorption Refrigerator, relates in particular to a kind of Miniature wind cold type Absorption Refrigerator.
Background technology
In recent years, along with the development of World Economics, the mankind have been faced with the threat of day by day serious global warming and lack of energy, and the exploitation of energy-saving and emission-reduction and regenerative resource have become the most important research topic of field of energy utilization.At present, air-conditioning refrigeration plant has absorption two kinds of electric drive compression and heat-driven.Electric drive compression is just becoming one of life and industrial necessity, it be widely used that not only to cause city electricity consumption peak-valley difference be that supply falls short of demand, the valley power supplies of electric power such as drug on the market problem out of proportion for peak power, and it uses leading cold-producing medium to contain the harmful substance of destroying atmospheric ozone layer, also contribute to cause global greenhouse effect, these problems face a severe challenge electric drive air-conditioner.And Absorption Refrigerator be take heat energy as driving force, heat energy can be both high-grade heat energy, as high temperature and high pressure steam or hot water, fuel oil or combustion gas; Can also be low-grade heat energy, as used heat, waste heat, solar energy or underground heat etc., and Absorption Refrigerator can to take water, ammonia etc. be cold-producing medium, the advantage such as therefore there is clean environment firendly, economizing on energy and electricity, elimination electric power peak-valley difference, applied range, simple to operate, operation parts are few, operating cost is low.But, in current applied absorption system, the overwhelming majority is water/LiBr-Air-conditioner unit, also has a small amount of ammonia/water absorption type refrigeration unit, and these units need to adopt water cooling, this greatly limits absorption refrigeration and applies more widely, especially to the development of small-sized air condition system direction.In order to make absorption system obtain applying more widely, air-cooledization is the only way which must be passed, and domestic and international many researchers have made unremitting effort for this reason, have obtained significant progress.Application number 200110025649.5 discloses a kind of small-sized energy-saving air-cooled thermal insulation absorption gas air-conditioning plant, application number 200910304105.5 also discloses a kind of heat-insulating absorption refrigeration circulating device, 201110435202.8 of application numbers disclose a kind of ammoniacal liquor heat-insulating absorption refrigeration system, application number 201120543674.8 discloses a kind of small absorption refrigerating plant, but their common feature is condenser and solution cooler all to be adopted air-cooled, but absorber is but to adopt heat-insulating, i.e. air-cooled thermal insulation absorption refrigeration cycle.Air-cooled thermal insulation absorption refrigeration is because absorber is taked adiabatic method, therefore the heat that absorption process produces must rely on solution itself to absorb, for preventing that the too high uptake that makes absorption process of solution temperature from greatly reducing, not only reduce refrigerating capacity but also lower efficiency, just must greatly increase the internal circulating load of the solution in absorber, so not only greatly increase flow and the wasted work of solution pump, also increased the thermic load of solution cooler.
Utility model content
The purpose of this utility model is to propose a kind of Miniature air-cooling Absorption Refrigerator, and this air-cooled Absorption Refrigerator adopts air-cooled nonadiabatic absorption pattern.
A kind of air-cooled Absorption Refrigerator that the utility model provides, is characterized in that, it comprises generator, air-cooled condenser, choke valve, evaporimeter, absorber, solution pump, current divider, air-cooled forecooler, blender, choke valve and solution heat exchanger;
In generator, establish heat exchanger, in absorber, be provided with spray equipment, filler and heat-transfer pipe; Spray equipment evenly sprays absorbent solution on filler, and carries out heat and mass with refrigerant vapour on filler, completes absorption process, and the absorption heat that absorption process produces is dispersed in environment and is gone by air mobile in heat-transfer pipe;
First port of export of generator is that the superheated steam port of export is connected with the arrival end of absorber by air-cooled condenser, choke valve, evaporimeter successively, the port of export of absorber is connected with the arrival end of solution pump, solution delivery side of pump end is connected with the arrival end of current divider, first port of export of current divider is connected by the first passage of solution heat exchanger and the arrival end of generator, second port of export of generator is connected by the second channel of solution heat exchanger and the arrival end of choke valve, the port of export of the first arrival end choke valve of blender connects, the port of export of blender is connected with the spray equipment interface arranging in absorber, air-cooled forecooler is arranged between the port of export of choke valve and the first arrival end of blender, or be arranged between the port of export and the interior spray equipment interface arranging of absorber of blender, second port of export of current divider is connected with the second arrival end of blender, the blower fan that provides force air to flow power is provided for air-cooled condenser, absorber and air-cooled forecooler.
The air-cooled Absorption Refrigerator of another kind that the utility model provides, it is characterized in that, it comprises generator, air-cooled condenser, choke valve, evaporimeter, absorber, solution pump, air-cooled forecooler, blender, choke valve, solution heat exchanger and absorber circulation solution pump;
In generator, establish heat exchanger, in absorber, be provided with spray equipment, filler and heat-transfer pipe; Spray equipment evenly sprays absorbent solution on filler, and carries out heat and mass with refrigerant vapour on filler, completes absorption process, and the absorption heat that absorption process produces is dispersed in environment and is gone by air mobile in heat-transfer pipe;
First port of export of generator is that the superheated steam port of export is connected with the arrival end of absorber by air-cooled condenser, choke valve, evaporimeter successively, the port of export of absorber is connected with the arrival end of solution pump, solution delivery side of pump end is connected by the first passage of solution heat exchanger and the arrival end of generator, second port of export of generator is connected by the second channel of solution heat exchanger and the arrival end of choke valve, the port of export of the first arrival end choke valve of blender connects, the port of export of blender is connected with the spray equipment interface arranging in absorber, air-cooled forecooler is arranged between the port of export and the interior spray equipment interface arranging of absorber of choke valve, the arrival end of absorber circulation solution pump is connected with the port of export of absorber, the port of export is connected with the second arrival end of blender, the blower fan that provides force air to flow power is provided for air-cooled condenser, absorber and air-cooled forecooler.
As the improvement of above-mentioned two kinds of technical schemes, described air-cooled forecooler can be arranged between the port of export of choke valve and the first arrival end of blender.
The utility model is by adopting nonadiabatic absorber and path combination thereof, realizing on the basis of Absorption Cooling System, having avoided air-cooled thermal insulation absorption refrigeration cycle is to prevent that solution temperature is too high and the problem that must greatly increase the internal circulating load of the solution in absorber, flow and the wasted work of solution pump have been reduced, reduced the thermic load of solution cooler, the assimilation effect that has improved absorber, has increased refrigerating capacity, has improved cycle efficieny.
Accompanying drawing explanation
The structural representation of a kind of specific embodiment of the Miniature wind cold type Absorption Refrigerator that Fig. 1 provides for the utility model example;
The structural representation of the second specific embodiment of the Miniature wind cold type Absorption Refrigerator that Fig. 2 provides for the utility model example;
In figure: 1 generator, 2 condensers, 3 choke valves, 4 evaporimeters, 5 heat-transfer pipes, 6 absorbers, 7 solution pumps, 8 current dividers, 9 forecoolers, 10 blenders, 11 choke valves, 12 solution heat exchangers, 13 spray equipments, 14 fillers, 15 blower fans, 16 heat exchangers, 17 absorber circulation solution pumps.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.At this, it should be noted that, for the explanation of these embodiments, be used for helping to understand the utility model, but do not form restriction of the present utility model.In addition,, in each embodiment of described the utility model, involved technical characterictic just can not combine mutually as long as do not form each other conflict.
As shown in Figure 1, the air-cooled absorption refrigerating machine that this example provides, it has generator 1, in generator 1, establish heat exchanger 16, generator 1 has three interfaces, two port of export interfaces, an arrival end interface, generator 1 superheated steam port of export interface is connected with air-cooled condenser 2 superheated steam condensation channel arrival ends, the cold refrigerant liquid channel outlet of mistake of air-cooled condenser 2 is connected with choke valve 3, the other end interface of choke valve 3 is connected with evaporimeter 4, evaporimeter 4 other end interfaces are connected with an interface of absorber 6, in absorber 6, be provided with heat-transfer pipe 5, spray equipment 13 and filler 14, spray equipment 13 sprays absorbent solution on filler 14 equably, and carry out heat and mass with refrigerant vapour on filler 14, complete absorption process, 5 absorption heat that superheating process is produced of heat-transfer pipe are dispersed in environment and are gone by the interior mobile air of heat-transfer pipe 5.Absorber 6 also has two interfaces, and an interface is connected with the arrival end of solution pump 7, and another interface is connected with the port of export of blender 10.The port of export of solution pump 7 is connected with the arrival end of current divider 8.Current divider 8 has two ports of export in parallel, and one of them port of export is connected with the arrival end of a passage of solution heat exchanger 12, and the port of export of this passage of solution heat exchanger 12 is connected with an arrival end of generator 1.Another port of export of current divider 8 is connected with an arrival end of blender 10.The port of export of blender 10 is connected with the spray equipment 13 of absorber 6 interior settings.Another arrival end of blender 10 is connected with an interface of air-cooled forecooler 9, another interface of air-cooled forecooler 9 is connected with the port of export of choke valve 11, the arrival end of choke valve 11 is connected with an interface of another passage of solution heat exchanger 12, and another interface of this passage of solution heat exchanger 12 is connected with a port of export of generator 1.Blower fan 15 is respectively air-cooled condenser 2, absorber 6 and air-cooled forecooler 9 provides force air mobile power.
In said system, also can cancel current divider 8, increase absorber circulation solution pump 17, as shown in Figure 2.Like this, solution pump 7, except being connected with absorber 6, is also directly connected absorber circulation solution pump 17 except being connected with absorber 6 with solution heat exchanger 12, be also directly connected with blender 10, and remaining part and connected mode are completely constant.
Below with NH
3-NaSCN as cold-producing medium-absorbent working medium to the course of work of its said structure is described for example.
Containing the many solution (NH of refrigerant amount
3-NaSCN(sodium rhodanate-ammonia) weak solution) in generator 1, by heater 16 heating, produced overheated ammonia steam and NH
3-NaSCN concentrated solution.Overheated ammonia steam in generator 1 enters saturated liquid or the subcooled liquid of the air cooling condensation ammonification being driven by blower fan 15 in air-cooled condenser 2 by connecting pipe, the ammonia liquid of air-cooled condenser 2 enters choke valve 3 by connecting pipe, through the lower the temperature gas-liquid mixture of formed ammonia of choke valve 3 step-downs, enter evaporimeter 4, ammoniacal liquor absorbs heat after sweat cooling in evaporimeter, become ammonia steam and enter absorber 6 by the connecting pipe between evaporimeter 4 and absorber 6, with the NH of 13 sprays of spray equipment in absorber 6
3-NaSCN concentrated solution contacts, absorbs on filler, forms NH
3-NaSCN weak solution, and extracted out from absorber 6 by solution pump 7, and the heat that absorption process produces is taken away by the interior mobile air of heat-transfer pipe 5.The NH producing in generator 1
3-NaSCN concentrated solution enters solution heat exchanger 12 by the connecting pipe with solution heat exchanger 12, and with from solution pump 7 NH out
3-NaSCN weak solution is carried out exchange heat, NH
3-NaSCN concentrated solution temperature reduces, and enters air precooler 9, NH after entering choke valve 11 step-downs again
3-NaSCN concentrated solution, is entered in blender 10 further after cooling by surrounding air in air precooler 9, the NH sending here with solution pump 7
3-NaSCN weak solution is mixed, and increases the amount of absorbent solution, then enters spray equipment 13 sprays of absorber 6, contacts, absorbs at filler 14 with the ammonia steam that enters absorber 6 from evaporimeter 4, forms NH
3-NaSCN weak solution, is extracted out from absorber 6 by solution pump 7, and enters solution heat exchanger 12 by current divider 8, in solution heat exchanger 12 and from generator 1 NH out
3-NaSCN concentrated solution is carried out exchange heat, NH
3-NaSCN weak solution temperature enters generator 1, thereby completes a complete NH after raising
3the air-cooled absorption refrigeration cycle of-NaSCN.
Cold-producing medium-absorbent working medium pair in system can also be that other ammonia are working medium to (as NH
3-LiNO
3solution, ammonia spirit etc.), water system working medium is to (as H
2o-LiBr solution etc.), alcohol is that working medium is that working medium is to (as R134a-DMF solution etc.) to (as methyl alcohol-LiBr solution etc.) and freon.
The above is preferred embodiment of the present utility model, but the utility model should not be confined to the disclosed content of this embodiment and accompanying drawing.So every, do not depart from the equivalence completing under spirit disclosed in the utility model or revise, all falling into the scope of the utility model protection.
Claims (3)
1. a Miniature wind cold type Absorption Refrigerator, it is characterized in that, it comprises generator (1), air-cooled condenser (2), choke valve (3), evaporimeter (4), absorber (6), solution pump (7), current divider (8), air-cooled forecooler (9), blender (10), choke valve (11) and solution heat exchanger (12);
In generator (1), establish heat exchanger (16), in absorber (6), be provided with spray equipment (13), filler (14) and heat-transfer pipe (5); Spray equipment (13) evenly sprays absorbent solution on filler (14), and upper and refrigerant vapour carries out heat and mass at filler (14), complete absorption process, the absorption heat that absorption process produces is dispersed in environment and is gone by mobile air in heat-transfer pipe (5);
First port of export of generator (1) is that the superheated steam port of export is connected with the arrival end of absorber (6) by air-cooled condenser (2), choke valve (3), evaporimeter (4) successively, the port of export of absorber (6) is connected with the arrival end of solution pump (7), the port of export of solution pump (7) is connected with the arrival end of current divider (8), first port of export of current divider (8) is connected with the arrival end of generator by the first passage of solution heat exchanger (12), second port of export of generator (1) is connected with the arrival end of choke valve (11) by the second channel of solution heat exchanger (12), the port of export of the first arrival end choke valve (11) of blender (10) connects, the port of export of blender (10) is connected with spray equipment (13) interface arranging in absorber (6), air-cooled forecooler (9) is arranged between the port of export of choke valve (11) and the first arrival end of blender (10), or be arranged between the port of export and interior spray equipment (13) interface arranging of absorber (6) of blender (10), second port of export of current divider (8) is connected with the second arrival end of blender (10),
The blower fan (15) that provides force air to flow power is provided for air-cooled condenser (2), absorber (6) and air-cooled forecooler (9).
2. another kind of Miniature wind cold type Absorption Refrigerator, it is characterized in that, it comprises generator (1), air-cooled condenser (2), choke valve (3), evaporimeter (4), absorber (6), solution pump (7), air-cooled forecooler (9), blender (10), choke valve (11), solution heat exchanger (12) and absorber circulation solution pump (17);
In generator (1), establish heat exchanger (16), in absorber (6), be provided with spray equipment (13), filler (14) and heat-transfer pipe (5); Spray equipment (13) evenly sprays absorbent solution on filler (14), and upper and refrigerant vapour carries out heat and mass at filler (14), complete absorption process, the absorption heat that absorption process produces is dispersed in environment and is gone by mobile air in heat-transfer pipe (5);
First port of export of generator (1) is that the superheated steam port of export is connected with the arrival end of absorber (6) by air-cooled condenser (2), choke valve (3), evaporimeter (4) successively, the port of export of absorber (6) is connected with the arrival end of solution pump (7), the port of export of solution pump (7) is connected with the arrival end of generator by the first passage of solution heat exchanger (12), second port of export of generator (1) is connected with the arrival end of choke valve (11) by the second channel of solution heat exchanger (12), the port of export of the first arrival end choke valve (11) of blender (10) connects, the port of export of blender (10) is connected with spray equipment (13) interface arranging in absorber (6), air-cooled forecooler (9) is arranged between the port of export and interior spray equipment (13) interface arranging of absorber (6) of choke valve (11), the arrival end of absorber circulation solution pump (17) is connected with the port of export of absorber (6), the port of export is connected with the second arrival end of blender (10),
The blower fan (15) that provides force air to flow power is provided for air-cooled condenser (2), absorber (6) and air-cooled forecooler (9).
3. a kind of Miniature wind cold type Absorption Refrigerator according to claim 1 and 2, is characterized in that, described air-cooled forecooler (9) is arranged between the port of export of choke valve (11) and the first arrival end of blender (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440139.9U CN203478676U (en) | 2013-07-23 | 2013-07-23 | Small air-cooled absorption refrigerating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440139.9U CN203478676U (en) | 2013-07-23 | 2013-07-23 | Small air-cooled absorption refrigerating machine |
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| Publication Number | Publication Date |
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| CN203478676U true CN203478676U (en) | 2014-03-12 |
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| CN201320440139.9U Withdrawn - After Issue CN203478676U (en) | 2013-07-23 | 2013-07-23 | Small air-cooled absorption refrigerating machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423912B (en) * | 2013-07-23 | 2015-09-23 | 华中科技大学 | A kind of Miniature wind cold type Absorption Refrigerator |
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2013
- 2013-07-23 CN CN201320440139.9U patent/CN203478676U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423912B (en) * | 2013-07-23 | 2015-09-23 | 华中科技大学 | A kind of Miniature wind cold type Absorption Refrigerator |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150923 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150923 |
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| RGAV | Abandon patent right to avoid regrant |