CN2811866Y - Multiple energy sources driven lithium bromide refrigerating air conditioner - Google Patents
Multiple energy sources driven lithium bromide refrigerating air conditioner Download PDFInfo
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- CN2811866Y CN2811866Y CN 200520013753 CN200520013753U CN2811866Y CN 2811866 Y CN2811866 Y CN 2811866Y CN 200520013753 CN200520013753 CN 200520013753 CN 200520013753 U CN200520013753 U CN 200520013753U CN 2811866 Y CN2811866 Y CN 2811866Y
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- lithium bromide
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- bromide refrigerating
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Abstract
The utility model relates to a multiple energy sources driven lithium bromide refrigerating air conditioner, which is a lithium bromide refrigerating air conditioner for people adopting different energy sources at different time periods to drive the same lithium bromide refrigerating machine set to carry out refrigeration. The utility model comprises an absorber, a solution pump, a low-temperature heat exchanger, a high-temperature heat exchanger, a high-pressure generator, a low-pressure generator, a condenser, an evaporator and a cooling tower. The utility model is characterized in that the high-pressure generator is respectively connected with a solar drive assembly and a microwave energy drive assembly, wherein the solar drive assembly comprises a solar heat collector, a heat pump and a solar energy heat energy accumulator; the microwave energy drive assembly comprises a magnetron and an ultrasonic generator which realizes ultrasonic spray microwave heating, the magnetron is arranged on the high-pressure generator, and an ultrasonic generator is arranged in the evaporator. Thereby, the utility model solves the problems of high cost and high price of the existing heat energy refrigeration by fuel oil or gas combustion because of low combustion efficiency, environment pollution because of insufficient combustion in a long-term combustion, etc.
Description
Technical field
The utility model relates to a kind of air conditioner of lithium bromide refrigerating, especially a kind ofly select different energy sources for use according to the different time periods for people, as the combustion heat energy of combustion gas or fuel oil, solar energy, microwave energy etc., drive the lithium bromide refrigerating air conditioner that multipotency source that same lithium bromide refrigerating unit freeze drives.
Background technology
Along with improving constantly of the warming of global weather, people's living standard, air-conditioner has entered huge numbers of families, but the electric weight that air-conditioner consumed of existing freon refrigeration is big, especially in the hot summer heat, the shared electric load of air-conditioning can make the cities and towns electric power that supply falls short of demand originally more in short supply up to 40% of cities and towns electricity consumption total load; In addition, fluorine Lyons also impairs atmospheric ozone layer.Therefore the air conditioner that occurs a kind of lithium bromide refrigerating that drives with the combustion heat energy of fuel oil or combustion gas in recent years.
The air conditioner of the lithium bromide refrigerating that existing combustion heat energy with fuel oil or combustion gas drives, it is to make cold-producing medium, make absorbent with lithium-bromide solution with water, its structure can see from Fig. 3 that it includes absorber 1, solution pump 2, low temperature heat exchanger 3, high-temperature heat exchanger 4, high pressure generator 5, low pressure generator 6, condenser 7, evaporimeter 8, cooling tower 9.During work, from a part of bromize lithium dilute solution that absorber 1 comes out, carried by solution pump 2, behind low temperature heat exchanger 3, be divided into two-way, the one tunnel directly enters low pressure generator 6, and another road enters high pressure generator 5 after high-temperature heat exchanger 4 heats up; The heat energy with fuel oil or fuel gas buring of back one road bromize lithium dilute solution origin spontaneous combustion device heats, make it boiling, refrigerant vapour takes place, simultaneously, the temperature of solution and concentration raise, after high-temperature heat exchanger 4 temperature reduce, enter low pressure generator 6 flash distillations then; That road bromize lithium dilute solution that directly enters low pressure generator 6 also by in low pressure generator 6 pipes from the refrigerant vapour heating of high pressure generator 5 and seethe with excitement, produce refrigerant vapour, solution is concentrated, two parts concentrated solution is mixed in low pressure generator 6 liquid baths; The refrigerant vapour that produces in the high pressure generator 5, behind heating low pressure generator 6 solution, condense into water as refrigerant, after the control valve throttling, enter condenser 7, the refrigerant vapour that in low pressure generator 6, produces, by the water quench that flows in condenser pipe, condensation becomes and the corresponding water as refrigerant of condensing pressure; Water as refrigerant in the condenser 7 is after throttling, entering evaporimeter 8 carries spray in the evaporimeter tube bank by cryogenic fluid pump, because pressure is very low in the evaporimeter 8, water as refrigerant just is absorbed in the heat of the higher cold water of temperature mobile in evaporimeter 8 pipes and evaporates, become refrigerant vapour, the temperature of cold water is reduced, i.e. refrigeration.The concentrated solution of coming out by low pressure generator 6, reduce temperature through low temperature heat exchanger 3 after, and enter absorber 1 after another road weak solution of carrying from the solution pump 2 of absorber 1 is mixed mutually, absorb the refrigerant vapour of flash-pot 8 to become weak solution; The cooling water that the latent heat of condensation and heat of solution are absorbed in device 1 heat-transfer pipe in the absorption process is taken away, like this, spray solution is constantly taken the water vapour that cryogen is evaporated in the evaporimeter 8 away, keep pressure very low in the evaporimeter 8, guarantee that the water as refrigerant steam that is evaporated in the evaporimeter 8 constantly flows to absorber 1, it is concentrated that thinning lithium-bromide solution enters the boiling of high and low pressure generator more respectively owing to absorb refrigerant vapour in the evaporimeter 8, so just finished a kind of refrigeration cycle.
The air conditioner of existing lithium bromide refrigerating also has its weak point: 1) it is to freeze in the heat energy driving refrigeration unit of burner internal combustion with fuel oil or combustion gas purely, because the efficiency of combustion of fuel oil or combustion gas is low so its cost is higher, price is more expensive, and also can be because of its insufficient contaminated environment of burning in long burning; 2) no matter the size of its air conditioner refrigerating amount, its absorber, evaporimeter and condenser all must be worked under vacuum, to guarantee evaporation of water, atomizing, absorber, evaporimeter and condenser must be installed in the casing of a vacuum for this reason, thereby investment cost of equipment is increased, and for keeping the expense that vacuum improves use.
Summary of the invention
The utility model is to overcome existing shortcoming in the above-mentioned prior art, a kind of lithium bromide refrigerating air conditioner that can drive with the multipotency source of the same set of lithium bromide refrigerating unit of different driven by energy according to the different time periods is provided, and makes it have lower, free from environmental pollution and its characteristics such as simple and reasonable of cost easy to use and reliable, that refrigeration is required.
The lithium bromide refrigerating air conditioner that the utility model multipotency source drives, it contains absorber, solution pump, low temperature heat exchanger, high-temperature heat exchanger, high pressure generator, low pressure generator, condenser, evaporimeter, cooling tower, it is characterized in that: its high pressure generator connects Driven by Solar Energy assembly and microwave energy driven unit respectively, wherein the Driven by Solar Energy assembly comprises solar thermal collector, heat pump and solar energy accumulator, the microwave energy driven unit is included in the magnetron that can accept power generation microwave that is provided with on the high pressure generator and can realizes the supersonic generator of ultrasonic wave spray heating using microwave, has supersonic generator in evaporimeter.So that it can be used for the little family of refrigerating capacity, office, shop, supermarket etc., the lithium bromide refrigerating unit that can enable Driven by Solar Energy at fine day for people uses air conditioner, drives lithium bromide refrigerating unit use air conditioner at night or the overcast and rainy microwave energy of enabling.
The lithium bromide refrigerating air conditioner that the utility model multipotency source drives, it is characterized in that: its high pressure generator also connects a combustion heat energy driven unit with fuel oil or combustion gas, and this assembly is a burner that has chimney that is communicated with high pressure generator.So that it is used for the refrigeration system of the bigger central air-conditioning of refrigerating capacity, for the lithium bromide refrigerating unit of people with different driven by energy air conditioners, promptly fine solar energy, the overcast and rainy combustion heat energy of enabling by fuel oil or combustion gas enabled, night then adopt in the supply network of cities and towns than daytime affluence many and inexpensive paddy electricity, drive the lithium bromide refrigerating unit of air conditioner with microwave energy.
The beneficial effects of the utility model: 1) the utility model can be realized organizing same refrigeration unit with solar energy or microwave energy driving in the lithium bromide refrigerating air conditioner, both made full use of the solar energy that the Nature can repeat to regenerate, also utilized and to have carried out the direct radiation heating of ultrasonic wave hydrone precipitate and separate spray microwave to lithium-bromide solution, bromizate lithium and moisture from and need not intermediate medium participate in so the highest microwave energy of capacity usage ratio, also utilized in the supply network rich and inexpensive paddy than daytime; Therefore it is scientific and reasonable for structure, the equipment investment expense is few, use cost is low and can be widely used in family, office, shop, supermarket etc.; 2) the utility model can also drive same lithium bromide refrigerating unit with combustion heat energy in large-scale lithium bromide refrigerating air conditioner; When cause lacks solar energy by day, then can not freeze greatly as electricity consumption because of its refrigerating capacity, and when driving lithium bromide refrigerating with combustion heat energy, though there is combustion heat energy to drive the shortcoming that is produced, but compare with combustion heat energy driving single in the prior art, time weak point because of its use, and on burner, have chimney, so to use cost and less to the influence of environment, on the contrary, make it can be used for central air conditioner system reliably, both made the use cost of operation of air conditioner minimum, guarantee round-the-clock ground of central air-conditioning cooling again; 3) the utility model has kept the structure of the refrigeration unit of existing lithium bromide refrigerating air conditioner, and on this basis, increase the driven unit of corresponding solar energy or microwave energy or combustion heat energy, it is scientific and reasonable for structure, investment cost is few, and the while also helps the update of existing lithium bromide refrigerating air conditioner and applies.
Description of drawings
Fig. 1 and Fig. 2 are respectively the embodiment 1 of the lithium bromide refrigerating air conditioner that drives of the utility model multipotency source and the structure diagram of embodiment 2;
Fig. 3 is the structure diagram of the lithium bromide refrigerating air conditioner that drives of existing combustion heat energy with fuel oil or combustion gas.
Label declaration among the figure: 1-absorber; The 2-solution pump; The 3-low temperature heat exchanger; The 4-high-temperature heat exchanger; The 5-high pressure generator; The 6-low pressure generator; The 7-condenser; The 8-evaporimeter; The 9-cooling tower; The 10-solar thermal collector; The 11-heat pump; The 12-supersonic generator; The 13-magnetron; The 14-burner; The 14a-chimney; 15-solar energy accumulator.
The specific embodiment
The lithium bromide refrigerating air conditioner that embodiment 1, present embodiment multipotency source drive, its structure can be seen from Fig. 1, it contains absorber 1, solution pump 2, low temperature heat exchanger 3, high-temperature heat exchanger 4, high pressure generator 5, low pressure generator 6, condenser 7, evaporimeter 8, cooling tower 9, and wherein high pressure generator 5 connects Driven by Solar Energy assembly and microwave energy driven unit respectively; The Driven by Solar Energy assembly comprises solar thermal collector 10, heat pump 11 and solar energy accumulator 15, the supersonic generator 12 that can realize the heating using microwave of ultrasonic wave spray that the microwave energy driven unit is included in the magnetron that microwave can take place 13 that is provided with on the high pressure generator 5 and has, and the supersonic generator 12 that in evaporimeter, has.
The lithium bromide refrigerating air conditioner that present embodiment multipotency source drives, can drive lithium bromide refrigerating by the Driven by Solar Energy assembly by day, at this moment in solar heat accumulator 15, the heat in this accumulator enters high pressure generator 5 by heat pump 11 to solar thermal collector 10 with solar energy collecting.From a part of bromize lithium dilute solution that absorber 1 comes out, carry by solution pump 2, behind low temperature heat exchanger 3, be divided into two-way, the one tunnel directly enters low pressure generator 6, and another road enters high pressure generator 5 after high-temperature heat exchanger 4 heats up.Bromize lithium dilute solution in the heat heating high-pressure generator that conduction comes in the solar energy accumulator makes it boiling, and refrigerant vapour takes place, simultaneously, the temperature of solution and concentration raise, and after high-temperature heat exchanger 4 temperature reduce, enter low pressure generator 6 by flash distillation then; That road solution that directly enters low pressure generator 6 also by in low pressure generator 6 pipes from the refrigerant vapour heating of high pressure generator 5 and seethe with excitement, produce refrigerant vapour, solution is concentrated, two parts concentrated solution is mixed in low pressure generator 6 liquid baths.The refrigerant vapour that produces in the high pressure generator 5, behind heating low pressure generator 6 solution, condense into water as refrigerant, after the control valve throttling, enter condenser 7, the refrigerant vapour that in low pressure generator 6, produces, by the water quench that flows in condenser pipe, condensation becomes and the corresponding water as refrigerant of condensing pressure.Water as refrigerant in the condenser 7 is after throttling, enter evaporimeter 8, by supersonic generator 12 spray heating using microwave evaporations, because pressure is very low in the evaporimeter 8, water as refrigerant just is absorbed in the heat of the higher cold water of temperature mobile in evaporimeter 8 pipes and evaporates, become refrigerant vapour, the temperature of cold water is reduced, i.e. refrigeration.The concentrated solution of coming out by low pressure generator 6, through low temperature heat exchanger 3, after temperature reduces, with enter absorber 1 after another road weak solution of carrying from the solution pump 2 of absorber 1 is mixed mutually, absorb the refrigerant vapour of flash-pot 8, become weak solution, the cooling water that the latent heat of condensation in the absorption process and heat of solution are absorbed in device 1 heat-transfer pipe is taken away, like this, spray solution is constantly taken the water vapour that cryogen is evaporated in the evaporimeter 8 away, keep pressure very low in the evaporimeter 8, guaranteed that the water as refrigerant steam that is evaporated in the evaporimeter 8 constantly flows to absorber 1, the thinning lithium-bromide solution owing to absorb refrigerant vapour in the evaporimeter 8, be sent to height more respectively, the low pressure generator boiling concentrates, and has so just finished a kind of refrigeration cycle, cold is confessed by cooling tower 9.
Under the general weather conditions, just can produce required cold with the solar energy that stores, but use up as heat in overcast and rainy or solar heat quantity not sufficient or the solar energy accumulator, can't reach needed refrigerating capacity, even can't utilize solar refrigeration the time, can drive refrigeration by microwave energy, though it is to consume, but heating using microwave efficient height, firing rate are fast, and heating using microwave is minimum, the most economic a kind of of power consumption in the electrical heating; The magnetron 13 of the generation microwave that place in high pressure generator this moment bromize lithium dilute solution in the heating high-pressure generator rapidly after energising makes it boiling, the generation refrigerant vapour, bromizates the lithium refrigeration machine and carries out kind of refrigeration cycle.More can utilize the low paddy of price electricity to use electric energy at night, with balance electrical network peak valley lotus, slow down power plant and for the facility of distribution.
Absorber in the present embodiment, evaporimeter and condenser (in Fig. 1 be added with in their periphery a great circle) can directly be contained in and carry out gravity-flow ventilation in the casing, and need not an ad hoc vacuum chamber.
The lithium bromide refrigerating air conditioner that present embodiment multipotency source drives, no matter drive with Driven by Solar Energy or with microwave energy, all be on same set of lithium bromide refrigerating unit, to realize refrigeration, and compare with existing lithium bromide refrigerating air conditioner with single driven by energy, the assembly of required increase seldom, and also be convenient to renewal and improvement, so the lithium bromide refrigerating air conditioner of present embodiment multipotency source driving is scientific and reasonable for structure to existing lithium bromide refrigerating air conditioner.
The lithium bromide refrigerating air conditioner that embodiment 2, present embodiment multipotency source drive, its structure can be seen from Fig. 2, different is with embodiment 1 for it: its high pressure generator 5 also connects the combustion heat energy driven unit with fuel oil or combustion gas, and this assembly is a burner that has chimney 14a 14 that is communicated with high pressure generator 5.It is mainly used in the refrigeration system of central air-conditioning, replaces the Driven by Solar Energy assembly at the overcast and rainy combustion heat energy driven unit with fuel oil or combustion gas of chance and carries out work.Then utilize paddy electricity comparatively rich and inexpensive in a day night and convert the lithium bromide refrigerating unit that microwave energy drives air conditioner to.The air conditioner of the lithium bromide refrigerating that drives with existing combustion heat energy with single fuel oil or combustion gas is compared, it is the auxiliary equipment that a kind of limitation is used for overcast and rainy daytime that combustion heat energy in the present embodiment central air-conditioning modulation cooling system drives, rather than all day depend on combustion heat energy, and burner 14 has chimney 14a; Therefore the air conditioner of the lithium bromide refrigerating that drives with the multipotency source of present embodiment is to the pollution of surrounding environment is more much smaller than the air conditioner of the existing lithium bromide refrigerating that drives with the combustion heat energy of single fuel oil or combustion gas, cost is also much lower.
Refrigerating capacity because of central air-conditioning in the present embodiment is bigger, so at absorber 1, evaporimeter 8 and condenser 7, preferably be contained in the vacuum chamber (in Fig. 2, this vacuum chamber is represented with a great circle), moves better to guarantee the lithium bromide refrigerating unit.
Claims (2)
1, the lithium bromide refrigerating air conditioner that a kind of multipotency source drives, it contains absorber (1), solution pump (2), low temperature heat exchanger (3), high-temperature heat exchanger (4), high pressure generator (5), low pressure generator (6), condenser (7), evaporimeter (8), cooling tower (9), it is characterized in that: its high pressure generator (5) connects Driven by Solar Energy assembly and microwave energy driven unit respectively, wherein the Driven by Solar Energy assembly comprises solar thermal collector (10), heat pump (11) and solar energy accumulator (15), the microwave energy driven unit is included in the supersonic generator (12) that high pressure generator (5) is gone up the magnetron that can accept power generation microwave (13) that is provided with and can be realized the heating using microwave of ultrasonic wave spray, has supersonic generator (12) in evaporimeter.
2, the lithium bromide refrigerating air conditioner of multipotency source driving according to claim 1, it is characterized in that: said high pressure generator (5) also connects a combustion heat energy driven unit with fuel oil or combustion gas, and this assembly is a burner that has chimney (14a) (14) that is communicated with high pressure generator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013753 CN2811866Y (en) | 2005-07-30 | 2005-07-30 | Multiple energy sources driven lithium bromide refrigerating air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013753 CN2811866Y (en) | 2005-07-30 | 2005-07-30 | Multiple energy sources driven lithium bromide refrigerating air conditioner |
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| CN2811866Y true CN2811866Y (en) | 2006-08-30 |
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| CN 200520013753 Expired - Fee Related CN2811866Y (en) | 2005-07-30 | 2005-07-30 | Multiple energy sources driven lithium bromide refrigerating air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929758A (en) * | 2010-09-07 | 2010-12-29 | 陕西理工学院 | Continuous refrigerating system with energy storage of solar energy working medium and continuous refrigerating method |
| CN102080898A (en) * | 2011-02-22 | 2011-06-01 | 王红斌 | Lithium bromide absorbing evaporative condensing water chilling unit |
-
2005
- 2005-07-30 CN CN 200520013753 patent/CN2811866Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929758A (en) * | 2010-09-07 | 2010-12-29 | 陕西理工学院 | Continuous refrigerating system with energy storage of solar energy working medium and continuous refrigerating method |
| CN102080898A (en) * | 2011-02-22 | 2011-06-01 | 王红斌 | Lithium bromide absorbing evaporative condensing water chilling unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |