CN101231044A - Low-energy-consumption absorption type air corditioning system - Google Patents
Low-energy-consumption absorption type air corditioning system Download PDFInfo
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- CN101231044A CN101231044A CNA2008100260412A CN200810026041A CN101231044A CN 101231044 A CN101231044 A CN 101231044A CN A2008100260412 A CNA2008100260412 A CN A2008100260412A CN 200810026041 A CN200810026041 A CN 200810026041A CN 101231044 A CN101231044 A CN 101231044A
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- transfer passage
- concentrated solution
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- producing medium
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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
Abstract
The invention discloses an absorption type air-conditioning with low energy consumption, the output end of a condenser is communicated with the input end of an evaporator; a freezing medium throttleer is arranged between the output end of the condenser and the input end of the evaporator; the output end of the evaporator is communicated with the input end of an absorber; an absorbent output end at the bottom of a generator is communicated with the input end of the absorber through a dilute solution transfer passage, in which an absorbent throttleer is arranged; the output end of the absorber is communicated with the input end of the generator through a concentrated solution transfer passage, in which a solution pump is arranged; a freezing medium output end on the top of the generator is communicated with the input end of the condenser through a freezing medium transfer passage. The air-conditioning also comprises a heat preservation liquid box and a heating device for heating the generator; wherein, the generator, the concentrated solution transfer passage and the freezing medium transfer passage are all arranged inside the heat preservation liquid box; in addition, a heat exchange structure is formed between the concentrated solution transfer passage and the freezing medium transfer passage. The invention has high energy efficiency.
Description
Technical field
The present invention relates to a kind of low-energy-consumption absorption type air corditioning system.
Background technology
Absorption type air conditioning system is made up of generator, condenser, evaporimeter, absorber, solution pump, choke valve etc., the working fluid that uses in the system is cold-producing medium and absorbent, whole system comprises two loops: one is refrigerant loop, and one is the absorbent loop.Absorbent is liquid (as a water), and it has very strong absorbability to cold-producing medium; Absorbent has absorbed cold-producing medium (as ammonia) back and has formed concentrated solution; The heating concentrated solution discharges refrigerant gas again.
In absorber, absorbent absorbs the low pressure refrigerant gas of flash-pot, forms the solution that is rich in cold-producing medium, with being pumped into generator, through heating the cold-producing medium in the solution is evaporated again this solution, sends into condenser.But in the existing structure, there is following defective:
1, on the one hand, after the cold-producing medium of high pressure leaves generator, carry a large amount of heats, cold-producing medium becomes liquid state by gaseous state after entering condenser, and distributes a large amount of heats to the external world; On the other hand, in generator, the cold-producing medium in the concentrated solution is evaporated, needs the environment of a high temperature, promptly need the external world to provide heat for it, existing absorption type air conditioning system does not carry out rationally, makes full use of the heat that condenser discharged;
2, existing absorption type air conditioning system adopts combustion gas or the extraneous steam that provides as thermal source more, and energy utilization rate is low, the energy consumption height.
Summary of the invention
The objective of the invention is to a kind of absorption type air conditioning system, this air-conditioning system can effectively be utilized heat energy, the efficiency height.
The present invention is achieved through the following technical solutions:
A kind of low-energy-consumption absorption type air corditioning system, comprise condenser, evaporimeter, generator, absorber, the cold-producing medium flow controller, the absorbent flow controller, solution pump, the output of condenser is communicated with the input of evaporimeter, and be provided with the cold-producing medium flow controller betwixt, the output of evaporimeter is communicated with the input of absorber, the absorbent output of generator bottom is communicated with by the weak solution transfer passage with the input of absorber, and be provided with the absorbent flow controller betwixt, the output of absorber is communicated with by the concentrated solution transfer passage with the input of generator, and being provided with solution pump betwixt, the cold-producing medium output at generator top is communicated with by the cold-producing medium transfer passage with the input of condenser; This air-conditioning system also comprises insulation liquid case and the heater that generator is heated, generator and concentrated solution transfer passage, cold-producing medium transfer passage all are located in this insulation liquid case, and form heat exchange structure between the concentrated solution transfer passage, cold-producing medium transfer passage.
Among the present invention, in the insulation liquid case water is housed, heats by the water of heater to insulation liquid upper box part, the water vapour of high temperature is positioned at the upper space of insulation liquid case, and the temperature of water from top to bottom reduces successively; In insulation liquid case, high temperature refrigerant in the cold-producing medium transfer passage and the concentrated solution in the concentrated solution transfer passage are carried out heat exchange, the concentrated solution temperature raises, in generator, the concentrated solution of high temperature is separated into weak solution and cold-producing medium, weak solution exports absorber to, the cold-producing medium of high temperature enters conveying pipe of refrigerant, and after carrying out heat exchange with concentrated solution, temperature reduces, and enters condenser condenses again and dispels the heat to the external world, condensed cold-producing medium is high-pressure liquid, be injected in the evaporimeter through the cold-producing medium flow controller and evaporate, and absorb heat, the gaseous refrigerant of low pressure, weak solution enters absorber, end at absorber forms concentrated solution, after solution pump pressurization, export the concentrated solution transfer passage to, and with the cold-producing medium transfer passage in the high temperature refrigerant heat exchange, so repeatedly; The heat of the cold-producing medium of high temperature passes to the water in the insulation liquid case again, and water temperature is raise; The present invention makes full use of the heat of the high-pressure gaseous refrigerant of discharging from generator in terms of existing technologies, and the water in the insulation liquid case, the concentrated solution in the concentrated solution transfer passage are heated, and has improved efficiency of utilization, and energy consumption is low.
Further structure of the present invention is:
By outer tube and be sheathed on middle pipe forming sleeves structure in this outer tube, described in space in the pipe be described concentrated solution transfer passage; Space between outer tube and the middle pipe is described cold-producing medium transfer passage, and this sleeve pipe is the heat exchange structure between described concentrated solution transfer passage, the cold-producing medium transfer passage.Be to be the casing type heat exchanging structure between concentrated solution transfer passage, the cold-producing medium transfer passage, this is simple in structure, the heat exchange efficiency height.Further, be arranged with interior pipe in the pipe in described, the high-temperature steam of described insulation liquid upper box part can be in communication with the outside by pipe in this, and the mezzanine space in this between pipe and the described middle pipe is the concentrated solution transfer passage.Water heating in the insulation liquid case and after becoming high-temperature water vapor, unnecessary high-temperature water vapor can be discharged from interior pipe, high-temperature water vapor become condensed water with concentrated solution heat exchange in the middle pipe in discharge process, further improve the heat energy utilization rate.
Described concentrated solution transfer passage comprises is located at the outer economizer bank of described insulation liquid case, after described weak solution transfer passage passes described insulation liquid case, passes this economizer bank again and forms heat exchange structure with this economizer bank.By this economizer bank heat exchange, the temperature of the weak solution that enters absorber is reduced, the temperature of concentrated solution raises, and improves heat utilization efficiency, cuts down the consumption of energy.
Described heater is solar energy heat collector and electric heater, and middle part, steam output pipe that the liquid input tube of solar energy heat collector passes to insulation liquid case pass to the top that is incubated the liquid case, and electric heater places in the described insulation liquid case.The high-temperature water vapor that solar energy heat collector produces heats generator by steam output pipe output, or the high-temperature water vapor that water produced of electric heater heat tracing liquid upper box part heats generator, and cold-producing medium is evaporated from concentrated solution.
Described generator comprises seal casinghousing, and its top is provided with concentrated solution entrance and refrigerant delivery outlet, the bottom is provided with the weak solution delivery outlet; Described concentrated solution transfer passage, weak solution transfer passage, cold-producing medium transfer passage are communicated with this concentrated solution entrance, weak solution delivery outlet, refrigerant delivery outlet respectively.When concentrated solution enters generator, spray into generator from the concentrated solution entrance, cold-producing medium is evaporated from the concentrated solution of heat, is delivered to condenser behind the cold-producing medium transfer passage, and weak solution is delivered to absorber through the weak solution transfer passage.
This air-conditioning system also comprises a rectifier of being located in the described insulation liquid case, this rectifier comprises a lagging casing, in lagging casing, be provided with heat exchanger tube, be communicated with by heat exchanger tube between described concentrated solution entrance and the described concentrated solution transfer passage, be communicated with interior clip space between the heat exchanger tube by this lagging casing between described refrigerant delivery outlet and the described cold-producing medium transfer passage; Terminal bottom at this lagging casing also is provided with absorbent rectifying mouth, and this absorbent rectifying mouth is communicated with described generator bottom or described weak solution transfer passage.Rectifier is set, and when the gaseous refrigerant of high temperature was flowed through rectifier, the gaseous state absorbent condensation in it became liquid state and is delivered to the weak solution transfer passage.
Description of drawings
Fig. 1 is a structure chart of the present invention;
Fig. 2 is when adopting solar energy heating, the partial enlarged drawing of insulation liquid upper box part;
Fig. 3 is when adopting the electric heater heating, the partial enlarged drawing of insulation liquid upper box part;
Description of reference numerals:
1, condenser, 2, evaporimeter, 3, generator, 4, absorber, 5, the cold-producing medium flow controller, 6, the absorbent flow controller, 7, solution pump, 8, the concentrated solution transfer passage, 9, the cold-producing medium transfer passage, 10, insulation liquid case, 11, economizer bank, 12, solar energy heat collector, 13, liquid input tube, 14, steam output pipe, 15, electric heater, 16, steam (vapor) outlet, 17, seal casinghousing, 18, the concentrated solution entrance, 19, refrigerant delivery outlet, 20, the weak solution delivery outlet, 21, rectifier, 22, lagging casing, 23, heat exchanger tube, 24, absorbent rectifying mouth, 25, check valve, 26, advance, drainpipe, 27, relief valve, 28, the weak solution transfer passage, 29, kuppe, 30, heat exchange fin.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of low-energy-consumption absorption type air corditioning system, comprise condenser 1, evaporimeter 2, generator 3, absorber 4, cold-producing medium flow controller 5, absorbent flow controller 6, solution pump 7, the output of condenser 1 is communicated with the input of evaporimeter 2, and be provided with cold-producing medium flow controller 5 betwixt, the output of evaporimeter 2 is communicated with the input of absorber 4, the absorbent output of generator 3 is communicated with by weak solution transfer passage 28 with the input of absorber, and be provided with absorbent flow controller 6 betwixt, the output of absorber 4 is communicated with by concentrated solution transfer passage 8 with the input of generator 3, and being provided with solution pump 7 betwixt, the cold-producing medium output of generator 3 is communicated with by cold-producing medium transfer passage 9 with the input of condenser 1; This air-conditioning system also comprises insulation liquid case 10 and the heater that the generator 3 in this insulation liquid case 10 is heated, generator 3 and concentrated solution transfer passage 8, cold-producing medium transfer passage 9 all are located in this insulation liquid case 10, and form heat exchange structure between the concentrated solution transfer passage 8, cold-producing medium transfer passage 9.
Wherein, by outer tube, be sheathed on middle pipe in this outer tube, be sheathed on the interior pipe in the pipe in this and constitute three layers of casing type heat exchanging structure, the high-temperature steam on insulation liquid case 10 tops can be in communication with the outside by pipe in this, and the space between middle pipe and the interior pipe is a concentrated solution transfer passage 8; Space between outer tube and the middle pipe is a cold-producing medium transfer passage 9; Concentrated solution transfer passage 8 also comprises the economizer bank of being located at outside the insulation liquid case 10 11, after weak solution transfer passage 28 passes insulation liquid case 10, passes this economizer bank 11 again and forms heat exchange structures with this economizer bank 11.
Heater is solar energy heat collector 12 and electric heater 15, middle part, steam output pipe 14 that the liquid input tube 13 of solar energy heat collector 12 passes to insulation liquid case 10 pass to the top of insulation liquid case 10 and pass generator 3, steam output pipe 14 passes generator 3, its port of export is provided with a plurality of steam (vapor) outlets 16, diversed cover 29 water conservancy diversion of the high-temperature steam that steam (vapor) outlet 16 is sprayed, be used for generator 3 is heated, electric heater 15 places the upper position of water level in the insulation liquid case 10; Bottom at insulation liquid case 10 is provided with inlet pipe, drain pipe 26.
This air-conditioning system also comprises a rectifier 21 of being located in the insulation liquid case 10, this rectifier 21 comprises a lagging casing 22, in lagging casing 22, be provided with heat exchanger tube 23, be communicated with by heat exchanger tube 23 between concentrated solution entrance 18 and the concentrated solution transfer passage 8, be communicated with interior clip space between the heat exchanger tube 23 by this lagging casing 22 between refrigerant delivery outlet 19 and the cold-producing medium transfer passage 9; Terminal bottom at this lagging casing 22 also is provided with absorbent rectifying mouth 24, and this absorbent rectifying mouth 24 is communicated with generator 3 bottoms.
The operation principle of present embodiment is:
During work, high-temperature steam by solar energy heat collector 12 outputs heats (at this moment the generator 3 in the insulation liquid case 10, optimum level of water in the insulation liquid case 10 as shown in Figure 2, water level in the insulation liquid case 10 is regulated control by inlet pipe, drain pipe 26), or the high-temperature steam that electric heater 15 is produced heats (at this moment generator 3, optimum level of water in the insulation liquid case 10 as shown in Figure 3, water in the insulation liquid case 10 floods the heat exchange fin 30 of generator 3 bottoms), make generator 3 maintain high temperature range; Under solution pump 7 effects, concentrated solution flows into concentrated solution transfer passage 8, and carry out heat exchange with high temperature refrigerant in the cold-producing medium transfer passage 9, the temperature of high-temperature gas cold-producing medium reduces gradually, the temperature of concentrated solution rises gradually, in rectifier 21, concentrated solution once more with lagging casing 22 in the high temperature refrigerant heat exchange, the concentrated solution of higher temperature sprays into generator 3, cold-producing medium is evaporated from the concentrated solution of high temperature, then weak solution through weak solution transfer passage 28 enter economizer bank 11 and with economizer bank 11 in the concentrated solution heat exchange of low temperature, the weak solution temperature reduces, after 6 throttlings of absorbent flow controller, enter absorber 4, the gaseous refrigerant of high temperature enters condenser 1 condensation behind cold-producing medium transfer passage 9, condensed cold-producing medium is high-pressure liquid, and the cold-producing medium of high-pressure liquid enters to evaporimeter 2 after 5 throttlings of cold-producing medium flow controller, and evaporation absorbs heat realization air conditioner refrigerating in evaporimeter 2; In absorber 4, the gaseous refrigerant that the weak solution of being exported from weak solution transfer passage 28 is exported evaporimeter 2 absorbs, and forms concentrated solution at the end of absorber 4, and by solution pump 7 concentrated solution is delivered to concentrated solution transfer passage 8, so circulation.
Claims (8)
1. low-energy-consumption absorption type air corditioning system, comprise condenser, evaporimeter, generator, absorber, the cold-producing medium flow controller, the absorbent flow controller, solution pump, the output of condenser is communicated with the input of evaporimeter, and be provided with the cold-producing medium flow controller betwixt, the output of evaporimeter is communicated with the input of absorber, the absorbent output of generator bottom is communicated with by the weak solution transfer passage with the input of absorber, and be provided with the absorbent flow controller betwixt, the output of absorber is communicated with by the concentrated solution transfer passage with the input of generator, and being provided with solution pump betwixt, the cold-producing medium output at generator top is communicated with by the cold-producing medium transfer passage with the input of condenser; It is characterized in that, this air-conditioning system also comprises insulation liquid case and the heater that generator is heated, generator and concentrated solution transfer passage, cold-producing medium transfer passage all are located in this insulation liquid case, and form heat exchange structure between the concentrated solution transfer passage, cold-producing medium transfer passage.
2. low-energy-consumption absorption type air corditioning system according to claim 1 is characterized in that, by outer tube and be sheathed on middle pipe forming sleeves structure in this outer tube, described in space in the pipe be described concentrated solution transfer passage; Space between outer tube and the middle pipe is described cold-producing medium transfer passage, and this sleeve pipe is the heat exchange structure between described concentrated solution transfer passage, the cold-producing medium transfer passage.
3. as low-energy-consumption absorption type air corditioning system as described in the claim 2, it is characterized in that, be arranged with interior pipe in described in the pipe, the high-temperature steam of described insulation liquid upper box part can be in communication with the outside by pipe in this, and the mezzanine space in this between pipe and the described middle pipe is the concentrated solution transfer passage.
4. low-energy-consumption absorption type air corditioning system according to claim 1, it is characterized in that, described concentrated solution transfer passage comprises is located at the outer economizer bank of described insulation liquid case, after described weak solution transfer passage passes described insulation liquid case, passes this economizer bank again and forms heat exchange structure with this economizer bank.
5. as low-energy-consumption absorption type air corditioning system as described in each in the claim 1 to 4, it is characterized in that, described heater is solar energy heat collector and electric heater, middle part, steam output pipe that the liquid input tube of solar energy heat collector passes to insulation liquid case pass to the top that is incubated the liquid case, and electric heater places in the described insulation liquid case.
6. as low-energy-consumption absorption type air corditioning system as described in the claim 5, it is characterized in that described steam output pipe passes described generator, and the port of export of described steam output pipe is provided with at least two steam (vapor) outlets.
7. as low-energy-consumption absorption type air corditioning system as described in each in the claim 1 to 4, it is characterized in that described generator comprises seal casinghousing, its top is provided with concentrated solution entrance and refrigerant delivery outlet, the bottom is provided with the weak solution delivery outlet; Described concentrated solution transfer passage, weak solution transfer passage, cold-producing medium transfer passage are communicated with this concentrated solution entrance, weak solution delivery outlet, refrigerant delivery outlet respectively.
8. as low-energy-consumption absorption type air corditioning system as described in the claim 7, it is characterized in that, this air-conditioning system also comprises a rectifier of being located in the described insulation liquid case, this rectifier comprises a lagging casing, in lagging casing, be provided with heat exchanger tube, be communicated with by heat exchanger tube between described concentrated solution entrance and the described concentrated solution transfer passage, be communicated with interior clip space between the heat exchanger tube by this lagging casing between described refrigerant delivery outlet and the described cold-producing medium transfer passage; Terminal bottom at this lagging casing also is provided with absorbent rectifying mouth, and this absorbent rectifying mouth is communicated with described generator bottom or described weak solution transfer passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100260412A CN101231044A (en) | 2008-01-25 | 2008-01-25 | Low-energy-consumption absorption type air corditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100260412A CN101231044A (en) | 2008-01-25 | 2008-01-25 | Low-energy-consumption absorption type air corditioning system |
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| CN101231044A true CN101231044A (en) | 2008-07-30 |
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| CNA2008100260412A Pending CN101231044A (en) | 2008-01-25 | 2008-01-25 | Low-energy-consumption absorption type air corditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8881539B1 (en) | 2013-12-20 | 2014-11-11 | King Fahd University Of Petroleum And Minerals | Hybrid storage absorption refrigeration system |
| CN106403369A (en) * | 2016-08-31 | 2017-02-15 | 北京建筑大学 | Absorption refrigeration device and flow control method of heat collection liquid |
-
2008
- 2008-01-25 CN CNA2008100260412A patent/CN101231044A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8881539B1 (en) | 2013-12-20 | 2014-11-11 | King Fahd University Of Petroleum And Minerals | Hybrid storage absorption refrigeration system |
| CN106403369A (en) * | 2016-08-31 | 2017-02-15 | 北京建筑大学 | Absorption refrigeration device and flow control method of heat collection liquid |
| CN106403369B (en) * | 2016-08-31 | 2018-10-12 | 北京建筑大学 | The flow control method of absorption type refrigerating unit and thermal-arrest liquid |
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Open date: 20080730 |