CN103629853A - Solar cooling system - Google Patents
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- CN103629853A CN103629853A CN201310538611.7A CN201310538611A CN103629853A CN 103629853 A CN103629853 A CN 103629853A CN 201310538611 A CN201310538611 A CN 201310538611A CN 103629853 A CN103629853 A CN 103629853A
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Abstract
The invention relates to a solar cooling system in the technical field of solar utilization. According to the solar cooling system, high-pressure gas generated in a solar thermal collector enters a jet pump from a power fluid inlet of the jet pump, so that low-pressure gas in a thermal absorber is sucked into the jet pump. Gas pressure in the heat absorber is lowered so that liquid in the heat absorber can be evaporated, heat can be absorbed and cooling can be carried out. The solar cooling system can utilize low-focus-degree or non-focus low-grade solar energy to carry out cooling, and therefore the application of the solar energy is enriched.
Description
Technical field
The present invention relates to technical field of solar utilization technique, especially relate to a kind of solar refrigeration system.
Background technology
the application that utilizes solar electrical energy generation or heat is very extensive, but due to solar energy, particularly the grade of low degree of focus or non-focusing solar energy is lower, if can invent a kind of device of this low-grade solar refrigeration that utilizes, will greatly improve solar energy utilization ratio.
Summary of the invention
In order to address the above problem, the technical scheme that the present invention proposes is as follows:
8. 1 kinds of solar refrigeration systems of scheme, comprise solar thermal collector group, working medium is to absorber and heat dump, described solar thermal collector group comprises the solar thermal collector that two above series connection arrange, described in each, on the heated fluid passage of solar thermal collector, steam export mouth is set, the fluid issuing of described solar thermal collector group is communicated with solution entrance the high concentration working medium of absorber with described working medium, described working medium is communicated with the fluid intake of described solar thermal collector group through liquor pump taphole the low concentration working medium of absorber, described working medium is communicated with the gas vent of described heat dump the gas access that is absorbed of absorber.
Scheme 10. is on the basis of scheme 8, further selectable, in the fluid issuing of described solar thermal collector group and described working medium, the high concentration working medium of absorber is arranged throttling control valve or throttle structure is set on to the communicating passage between solution entrance.
Scheme 13. is in scheme 5 to the basis of the arbitrary scheme in scheme 12, and a nearly step is selectable, and described steam export mouth is communicated with the liquid inlet of described heat dump through condensate cooler.
Scheme 14. is on the basis of scheme 13, further selectable, in the communicating passage between the liquid inlet of described heat dump and the liquid outlet of described condensate cooler, throttling control valve is set or throttle structure is set.
Scheme 15. is in scheme 5 to the basis of arbitrary scheme in scheme 14, and a nearly step is selectable, and the liquid inlet of described heat dump is communicated with cryogenic fluid source.
Scheme 16. is in scheme 5 to the basis of arbitrary scheme in scheme 15, and further selectable, the liquid inlet of described heat dump is communicated with cryogenic fluid source through throttling control valve or through throttle structure.
Scheme 17. is on the basis of above-mentioned arbitrary scheme, further selectable, described heat dump is made as and comprises evaporimeter, subsidiary liquid pump and the heat exchanger that cools, and according to the liquid outlet on described evaporimeter through described liquor pump with described in the cool entrance that is heated fluid passage of heat exchanger be communicated with, described in the endothermic system that mode that the outlet that is heated fluid passage of heat exchanger is communicated with liquid inlet on described evaporimeter is communicated with that cools.
Scheme 18. is on the basis of scheme 17, further selectable, on the outlet that is heated fluid passage of the described heat exchanger that cools and the passage between the liquid inlet of described evaporimeter, establishes throttling control valve or establishes throttle structure.
Optionally, the bearing capacity of the heated fluid passage of described solar thermal collector can be made as and is greater than 0.15MPa, 0.2MPa, 0.25MPa, 0.3MPa, 0.35MPa, 0.4MPa, 0.45MPa, 0. 5MPa, 0.55MPa, 0.6MPa, 0.65MPa, 0.7MPa, 0.75MPa, 0.8MPa, 0.85MPa, 0.9MPa, 0.95MPa or is greater than 1MPa.
In the present invention, during described solar refrigeration system work, maximum pressure and its bearing capacity of the heated fluid channel interior working medium of described solar thermal collector match, and the maximum pressure of the heated fluid channel interior working medium of described solar thermal collector reaches the bearing capacity of the heated fluid passage of described solar thermal collector.
Principle of the present invention is: in being provided with described jet pump structure, utilize the gases at high pressure that produce in described solar thermal collector to enter described jet pump from the motive fluid entrance of described jet pump, thereby the low-pressure gas in described heat dump is sucked described jet pump from described heat dump, and the air pressure reduction in described heat dump can make liquid evaporation in described heat dump and absorption refrigeration, be provided with described working medium to the structure of absorber in, working medium in described solar thermal collector is heated to solution, absorbent evaporation is wherein derived from described steam export mouth, in described solar thermal collector, form the working medium of high concentration to solution, the working medium of high concentration enters described working medium to absorber to solution from the fluid issuing of described heated fluid passage or from the fluid issuing of described solar thermal collector group, the working medium of high concentration absorbs working medium that the gas phase absorbent that comes from described heat dump forms low concentration in to absorber to solution in described working medium to solution, low concentration working medium is transmitted back in described solar thermal collector again or is transmitted back in described solar thermal collector group through described liquor pump solution.After gas phase absorbent in described heat dump is absorbed solution by the working medium of high concentration, the air pressure in described heat dump is reduced, thereby make liquid evaporation in described heat dump and absorption refrigeration.
In the present invention, at described heat dump, be made as in the structure of the endothermic system that comprises evaporimeter, subsidiary liquid pump and the heat exchanger that cools, the liquid inlet of described evaporimeter is as the liquid inlet of described heat dump, and the gas vent of described evaporimeter is as the gas vent of described heat dump.
In the present invention, the structure of so-called " solar thermal collector group comprises the solar thermal collector that two above series connection arrange " refers to that plural described solar thermal collector series connection arranges, the fluid intake of the fluid issuing of the heated fluid passage of a described solar thermal collector and the heated fluid passage of solar thermal collector described in another is communicated with the cascaded structure forming, using the heated fluid passage of the described solar thermal collector in two ends not with the fluid issuing of the heated fluid channel connection of solar thermal collector described in other or fluid intake fluid issuing or the fluid intake as described solar thermal collector group.With three described solar thermal collector series connection, be set to example, described in first, the fluid intake of the fluid issuing of the heated fluid passage of solar thermal collector and the heated fluid passage of second described solar thermal collector is communicated with, the fluid issuing of the heated fluid passage of second described solar thermal collector is communicated with the fluid intake of the heated fluid passage of the 3rd described solar thermal collector, described in first, the fluid intake of the heated fluid passage of solar thermal collector is as the fluid intake of described solar thermal collector group, the fluid issuing of the heated fluid passage of the 3rd described solar thermal collector is as the fluid issuing of described solar thermal collector group.The structure of the solar thermal collector group that the described solar thermal collector series connection of other quantity arranges by that analogy.
In the present invention, so-called " working medium is to solution " refers to the working medium of Absorption Cooling System, such as lithium bromide water solution, calcium chloride water or ammoniacal liquor etc., working medium makes solvent vaporization cooling to lyosoption steam, form refrigeration, working medium is to self dilution lyosoption steam again after heating evaporation is concentrated again, and the periodic duty that so goes round and begins again, realizes with refrigeration heat.
In the present invention, so-called " absorbent " refers to that working medium is to the solvent in solution, take lithium bromide water solution as example, and wherein lithium bromide is absorbent, and water is absorbent (being conventionally also called cold-producing medium).
In the present invention, so-called " jet pump " for example refers to, by the non-motive fluid of motive fluid injection (low-pressure gas), the device that two fluid interactions are discharged from an outlet, and so-called jet pump can be traditional jet pump, can be also non-traditional jet pump.
In the present invention, so-called " traditional jet pump " refers to that the pipe that arranged by two suits forms, to inner tube, provide high voltage power fluid, inner tube high voltage power fluid sprays within the outer tube, the device that makes other fluids (fluid entering from outer tube, for example low-pressure gas) between inner and outer pipes move along the injection direction generation of inner tube high voltage power fluid under the acting in conjunction of inner tube high voltage power Fluid injection and outer tube; The outer tube of so-called jet pump can have reducing and expansion district, and outer tube can be made as Venturi tube, and inner tube nozzle can be made as Laval nozzle, and so-called " reducing and expansion district " refers to the region that in outer tube, area of section changes; Described jet pump has three interfaces at least or claims passage, i.e. motive fluid entrance, low-pressure gas entrance and gas vent.
In the present invention, so-called " non-traditional jet pump " refers to that the pipe that arranged or be mutually set up in parallel by two or more mutual sheathing forms, wherein at least one pipe is communicated with kinetic current body source, and dynamafluidal the flowing in kinetic current body source can cause that the fluid in other pipes produces the device of directed flow; The outer tube of so-called jet pump can have reducing and expansion district, can be made as Venturi tube, and the nozzle of pipe can be made as Laval nozzle, and so-called reducing and expansion district is the region that in vial, area of section changes; Described jet pump has three interfaces at least or claims passage, i.e. motive fluid entrance, low-pressure gas entrance and gas vent; Described jet pump can comprise a plurality of motive fluid entrances, in comprising the structure of a plurality of motive fluid entrances, described motive fluid entrance can be arranged in the pipeline center district of described low-pressure gas entrance, also can be arranged near the duct wall of described low-pressure gas entrance, described motive fluid entrance can be also the nozzle ring around described low-pressure gas inlet duct wall.
In the present invention, in being provided with described jet pump structure, the liquid in described solar thermal collector can be water, organic liquid or organic Rankine cycle fluid, liquid such as methyl alcohol, ethanol or its aqueous solution.
In the present invention, described throttling control valve or throttle structure can be controlled flow resistance.
In the present invention, in being provided with the structure of described heat extraction device, can using described heat extraction device as thermal source to providing heat with hot cell, for example can be for hot water or heating be provided.
In the present invention, described " heat dump " is by vacuum action, vaporizing liquid to be lowered the temperature, thereby realizes the device that absorbs heat from outside, the indoor heat exchanger of the air-conditioning that the refrigeration of for example take is object.
In the present invention, described " heat extraction device " is by for example making to extraneous heat extraction, by the device of the gas cooling liquefaction in described heat extraction device, condensate cooler.
So-called " heat exchanger that cools be heated fluid passage " refer to described in being arranged on, cool on heat exchanger for for being heated the passage that fluid passes through, the fluid that temperature raises is called and is heated fluid, and the fluid that temperature reduces is called the fluid that is cooled.
In the present invention, described working medium refers to that to absorber the device of absorption process occurs (referring to relevant absorption refrigeration books) working medium.
In the present invention, low temperature in described cryogenic fluid source be for represent described cryogenic fluid source and with the difference of the described fluid supply of described fluid vaporization channel connection, described cryogenic fluid source and described fluid supply all can provide liquid, and the fluid temperature that described cryogenic fluid source provides should be lower as much as possible; And the fluid temperature that the described fluid supply with described fluid vaporization channel connection is provided does not have special requirement, but temperature is higher more favourable to described solar refrigeration system work.
In the present invention, should, according to known technology, in necessary place, necessary parts, unit or system etc. be set.
Beneficial effect of the present invention is as follows:
Solar refrigeration system provided by the invention can utilize low degree of focus or non-focusing low-grade solar energy and use it for refrigeration, has enriched the application of solar energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of the embodiment of the present invention 5;
Fig. 6 is the structural representation of the embodiment of the present invention 6;
Fig. 7 is the structural representation of the embodiment of the present invention 7;
Fig. 8 is the structural representation of the embodiment of the present invention 8;
Fig. 9 is the structural representation of the embodiment of the present invention 9;
Figure 10 is the structural representation of the embodiment of the present invention 10;
Figure 11 is the structural representation of the embodiment of the present invention 11;
Figure 12 is the structural representation of the embodiment of the present invention 12;
Figure 13 is the structural representation of the embodiment of the present invention 13;
Figure 14 is the structural representation of the embodiment of the present invention 14,
In figure:
1 solar thermal collector, 12 return flow lines, 2 gas-liquid separators, 3 jet pumps, 4 heat extraction devices, 5 heat dumps, 6 throttling control valves, 61 flow control valves, 62 throttle structures, 7 liquor pumps, 10 evaporimeters, 11 heated fluid passages, 13 heat exchangers that cool, 14 subsidiary liquid pumps, 72 cryogenic fluid sources, 73 withdrawing fluid pumps, 60 working medium are to absorber, 601 low concentration working medium are to taphole, 110 steam export mouths, 610 low concentration working medium are to taphole, 111 solar thermal collector groups.
The specific embodiment
Solar refrigeration system as shown in Figure 1, comprise solar thermal collector 1, jet pump 3, heat extraction device 4 and heat dump 5, the bearing capacity of the heated fluid passage 11 of described solar thermal collector 1 is greater than 0.15MPa, described heated fluid passage 11 is made as fluid vaporization passage, the gas vent of described fluid vaporization passage is communicated with the motive fluid entrance of described jet pump 3, the low-pressure gas entrance of described jet pump 3 is communicated with the gas vent of described heat dump 5, the gas vent of described jet pump 3 is communicated with the gas access of described heat extraction device 4, the liquid outlet of described heat extraction device 4 is communicated with the liquid inlet of described heat dump 5 through throttling control valve 6, the liquid outlet of described heat extraction device 4 is communicated with the liquid inlet of described fluid vaporization passage through liquor pump 7.
Solar refrigeration system as shown in Figure 2, comprise solar thermal collector 1, jet pump 3, heat extraction device 4 and heat dump 5, the bearing capacity of the heated fluid passage 11 of described solar thermal collector 1 is greater than 0.15MPa, the fluid intake of described heated fluid passage 11 is communicated with the liquid outlet of gas-liquid separator 2, the fluid issuing of described heated fluid passage 11 is communicated with the gas-liquid mixture entrance of described gas-liquid separator 2, the gas vent of described gas-liquid separator 2 is communicated with the motive fluid entrance of described jet pump 3, the low-pressure gas entrance of described jet pump 3 is communicated with the gas vent of described heat dump 5, the gas vent of described jet pump 3 is communicated with the gas access of described heat extraction device 4, the liquid outlet of described heat extraction device 4 is communicated with the liquid inlet of described heat dump 5 through throttling control valve 6, the liquid outlet of described heat extraction device 4 is communicated with the liquid inlet of described gas-liquid separator 2 through liquor pump 7.
Gas-liquid separator of the present invention can be determined according to material to be separated the type of described gas-liquid separator.
Solar refrigeration system as shown in Figure 3, comprise solar thermal collector 1, jet pump 3 and heat dump 5, the bearing capacity of the heated fluid passage 11 of described solar thermal collector 1 is greater than 0.15MPa, described heated fluid passage 11 is made as fluid vaporization passage, the gas vent of described fluid vaporization passage is communicated with the motive fluid entrance of described jet pump 3, the low-pressure gas entrance of described jet pump 3 is communicated with the gas vent of described heat dump 5, the liquid inlet of described fluid vaporization passage is communicated with the liquid outlet of liquor pump 7, the liquid inlet of described liquor pump 7 is communicated with fluid supply, the liquid inlet of described heat dump 5 is communicated with cryogenic fluid source 72 through throttling control valve 6.
As disposable embodiment, optionally, described cryogenic fluid source 72 and described fluid supply are changed and be made as same described cryogenic fluid source 72, or changing of described cryogenic fluid source 72 and described fluid supply is made as to same described fluid supply.
Solar refrigeration system as shown in Figure 4, comprise solar thermal collector 1, jet pump 3 and heat dump 5, the bearing capacity of the heated fluid passage 11 of described solar thermal collector 1 is greater than 0.15MPa, the fluid intake of described heated fluid passage 11 is communicated with the liquid outlet of gas-liquid separator 2, the fluid issuing of described heated fluid passage 11 is communicated with the gas-liquid mixture entrance of described gas-liquid separator 2, the gas vent of described gas-liquid separator 2 is communicated with the motive fluid entrance of described jet pump 3, the low-pressure gas entrance of described jet pump 3 is communicated with the gas vent of described heat dump 5, the liquid inlet of described gas-liquid separator 2 is communicated with the liquid outlet of liquor pump 7, the liquid inlet of described liquor pump 7 is communicated with fluid supply, the liquid inlet of described heat dump 5 is communicated with cryogenic fluid source 72 through throttling control valve 6.
Solar refrigeration system as shown in Figure 5, the difference of itself and embodiment 4 is: described cryogenic fluid source 72 and described fluid supply are made as same cryogenic fluid source 72.
As disposable embodiment, in the present invention, in all embodiments that are simultaneously provided with described cryogenic fluid source 72 and described fluid supply, all can be with reference to the present embodiment by described cryogenic fluid source 72 and described fluid supply integrated setting.
Solar refrigeration system as shown in Figure 6, comprise solar thermal collector 1, working medium is to absorber 60 and heat dump 5, on the heated fluid passage 11 of described solar thermal collector 1, steam export mouth 110 is set, the fluid issuing of described heated fluid passage 11 is communicated with solution entrance the high concentration working medium of absorber 60 with described working medium, described working medium is communicated with the fluid intake of described heated fluid passage 11 through liquor pump 7 taphole the low concentration working medium of absorber 60, described working medium is communicated with the gas vent of described heat dump 5 gas access that is absorbed of absorber 60, the liquid inlet of described heat dump 5 is communicated with cryogenic fluid source 72 through throttling control valve 6, in the fluid issuing of described heated fluid passage 11 and described working medium, the high concentration working medium of absorber 60 is arranged to throttling control valve 6 on to the communicating passage between solution entrance.
Optionally, described cryogenic fluid source 72 and related organization thereof can cancel and not establish.
Solar refrigeration system as shown in Figure 7, it is on the basis of embodiment 6: in the fluid issuing of described heated fluid passage 11 and described working medium, the high concentration working medium of absorber 60 is set up to heat extraction device 4 on to the communicating passage between solution entrance.The device of heat extraction described in the present embodiment 4 be arranged on described throttling control valve 6 and described working medium to the high concentration working medium of absorber 60 in the communicating passage between solution entrance.
As disposable embodiment, the position of the device of heat extraction described in the present embodiment 4 is selectable changing on the fluid intake and the communicating passage between described throttling control valve 6 that is located at described heated fluid passage 11 also.
As disposable embodiment, allly in the present invention comprise that described working medium is in the embodiment of absorber 60, all can at the fluid issuing of described heated fluid passage 11 or in the fluid issuing of described solar thermal collector group 111 and described working medium, to the high concentration working medium of absorber 60, set up described heat extraction device 4 on to the communicating passage between solution entrance with reference to the present embodiment.
Embodiment 8
Solar refrigeration system as shown in Figure 8, the difference of itself and embodiment 6 is, cancel described cryogenic fluid source 72, described steam export mouth 110 is communicated with the liquid inlet of described heat dump 5 through condensate cooler 9, in the communicating passage between the liquid inlet of described heat dump 5 and the liquid outlet of described condensate cooler 9, throttling control valve 6 is set.
As disposable embodiment, in the present invention in all embodiments that comprise described steam export mouth 110, all selectable described steam export mouth 110 is communicated with the liquid inlet of described heat dump 5 through described condensate cooler 9.
Solar refrigeration system as shown in Figure 9, it is on the basis of embodiment 6: the fluid issuing of described heated fluid passage 11 12 is communicated with the fluid intake of described heated fluid passage 11 through return flow line, on described return flow line 12, establishes withdrawing fluid pump 73.
In the present embodiment, can open described withdrawing fluid pump 73 make high concentration working medium to solution by described return flow line 12 again or multi-reflow to heating in described heated fluid passage 11, described high concentration working medium is more to being heated the absorbent of evaporation in solution, and described high concentration working medium increases the concentration of solution.It is stronger to the ability of the interior lyosoption steam of absorber 60 that the larger described high concentration working medium of concentration enters described working medium to solution, and the refrigerating capacity of described heat dump 5 is also stronger.
Embodiment 10
Solar refrigeration system as shown in figure 10, it is on the basis of embodiment 9: on described return flow line, establish flow control valve 61.The flow of the described high concentration working medium refluxing from described return flow line 12 by described flow control valve 61 controls to solution.
In the present embodiment, described flow control valve 61 is arranged in the communicating passage between described withdrawing fluid pump 73 and the fluid intake of described heated fluid passage 11.
As disposable embodiment, selectable, the position of described flow control valve 61 also can change on the reflux inlet and the communicating passage between described withdrawing fluid pump 73 that is located at described return flow line 12.
As disposable embodiment, allly in the present invention comprise that described working medium is in the embodiment of absorber 60, the fluid issuing of described heated fluid passage 11 all can arrange described return flow line 12 and relational structure thereof with reference to example 9, and selectablely with reference to embodiment 10, on described return flow line 12, sets up flow control valve 61.
Solar refrigeration system as shown in figure 11, comprise solar thermal collector group 111, working medium is to absorber 60 and heat dump 5, described solar thermal collector group 111 comprises the solar thermal collector 1 that two series connection arrange, described in each, on the heated fluid passage 11 of solar thermal collector 1, steam export mouth 110 is set, the fluid issuing of described solar thermal collector group 111 is communicated with solution entrance the high concentration working medium of absorber 60 with described working medium, described working medium is communicated with the fluid intake of described solar thermal collector group 111 through liquor pump 7 taphole 601 the low concentration working medium of absorber 60, described working medium is communicated with the gas vent of described heat dump 5 gas access that is absorbed of absorber 60.In the present embodiment, in the fluid issuing of described solar thermal collector group 111 and described working medium, the high concentration working medium of absorber 60 is arranged to throttling control valve 6 on to the communicating passage between solution entrance, described heat dump 5 is communicated with cryogenic fluid source 72 through throttling control valve 6.
As disposable embodiment, further selectable, described cryogenic fluid source 72 and relational structure thereof are cancelled.
Optionally, can also increase as required in described solar thermal collector group 111 quantity of the described solar thermal collector 1 that series connection arranges, for example three or four described solar thermal collectors 1 are composed in series described solar thermal collector group 111.
Solar refrigeration system as shown in figure 12, the difference of itself and embodiment 11 is: cancel described cryogenic fluid source 72 and relational structure thereof, steam export mouth 110 described in each is all communicated with the liquid inlet of described heat dump 5 through condensate cooler 9, in the communicating passage between the liquid inlet of described heat dump 5 and the liquid outlet of described condensate cooler 9, throttling control valve 6 is set.
As disposable embodiment, optionally, being arranged on the liquid inlet of described heat dump 5 and the described throttling control valve 6 in the communicating passage between described condensate cooler 9 can cancel.
Of the present inventionly above-mentionedly allly be provided with described working medium in the embodiment of absorber 60, all described working medium to the high concentration working medium of absorber 60 to the communicating passage between solution entrance and the fluid issuing of described solar thermal collector group 111 on or and the fluid issuing of described heated fluid passage 11 between communicating passage on be provided with described throttling control valve 6, as the embodiment that can convert, described in this, throttling control valve 6 can be cancelled.
Embodiment 13
Solar refrigeration system as shown in figure 13, the difference of itself and embodiment 3 is: described heat dump 5 is made as the endothermic system that comprises evaporimeter 10, subsidiary liquid pump 14 and the heat exchanger 13 that cools, liquid outlet on described evaporimeter 10 through described subsidiary liquid pump 14 with described in the cool entrance that is heated fluid passage of heat exchanger 13 be communicated with, described in the cool outlet that is heated fluid passage of heat exchanger 13 be communicated with the liquid inlet on described evaporimeter 10.The gas phase zone of described evaporimeter 10 is communicated with the low-pressure gas entrance of described jet pump 3, and described cryogenic fluid source 72 is communicated with the liquid phase region of described evaporimeter 10 through described throttling control valve 6.
In the present embodiment, comprise described evaporimeter 10, described subsidiary liquid pump 14 and described in cool in the endothermic system that heat exchanger 13 forms, except the described heat exchanger 13 that cools, pipeline of other devices and each device of connection all can optionally be made as heat insulation or heat insulating construction.
As disposable embodiment, in the present invention in all embodiments that comprise described heat dump 5, described heat dump 5 all selectable change be made as the present embodiment comprise described evaporimeter 10, described subsidiary liquid pump 14 and described in the endothermic system that heat exchanger 13 forms that cools, throttling control valve 6 can also be further optionally set in relevant position with reference to embodiment 14.。
Embodiment 14
Solar refrigeration system as shown in figure 14, it is on the basis of embodiment 13: on the passage between the outlet that is heated fluid passage of the described heat exchanger 13 that cools and the liquid inlet of described evaporimeter 10, set up throttling control valve 6, the described throttling control valve 6 in the communicating passage between described cryogenic fluid source 72 and the liquid phase region of described evaporimeter 10 is changed and is made as throttle structure 62.
In the present embodiment, the liquid cooling in heat exchanger 13 described in the object that described throttling control valve 6 is set on the passage between the outlet that is heated fluid passage of the described heat exchanger 13 that cools and the liquid inlet of described evaporimeter 10 or throttle structure is set is to make, in the relatively high state of pressure, can prevent that other gases from cooling heat exchanger 13 and affecting its heat exchange effect described in entering.
In all of the embodiments of the present invention, can some or all of described throttling control valve 6 be changed and be made as described throttle structure 62 with reference to embodiment 14.
In all of the embodiments of the present invention, all selectable, described throttling control valve 6 is changed and is made as described throttle structure.
In the present invention in all embodiments, optionally, the bearing capacity of the heated fluid passage 111 of described solar thermal collector 1 can also change to be made as and is greater than 0.2MPa, 0.25MPa, 0.3MPa, 0.35MPa, 0.4MPa, 0.45MPa, 0. 5MPa, 0.55MPa, 0.6MPa, 0.65MPa, 0.7MPa, 0.75MPa, 0.8MPa, 0.85MPa, 0.9MPa, 0.95MPa or is greater than 1MPa.
Obviously, the invention is not restricted to above embodiment, according to the known technology of this area and technical scheme disclosed in this invention, can derive or association goes out many flexible programs, all these flexible programs, also should think protection scope of the present invention.
Claims (10)
1. a solar refrigeration system, comprise solar thermal collector (1), jet pump (3), heat extraction device (4) and heat dump (5), it is characterized in that: the bearing capacity of the heated fluid passage (11) of described solar thermal collector (1) is greater than 0.15MPa, described heated fluid passage (11) is made as fluid vaporization passage, the gas vent of described fluid vaporization passage is communicated with the motive fluid entrance of described jet pump (3), the low-pressure gas entrance of described jet pump (3) is communicated with the gas vent of described heat dump (5), the gas vent of described jet pump (3) is communicated with the gas access of described heat extraction device (4), the liquid outlet of described heat extraction device (4) is communicated with the liquid inlet of described heat dump (5) through throttling control valve (6) or through throttle structure, the liquid outlet of described heat extraction device (4) is communicated with the liquid inlet of described fluid vaporization passage through liquor pump (7).
2. a solar refrigeration system, comprise solar thermal collector (1), jet pump (3), heat extraction device (4) and heat dump (5), it is characterized in that: the bearing capacity of the heated fluid passage (11) of described solar thermal collector (1) is greater than 0.15MPa, the fluid intake of described heated fluid passage (11) is communicated with the liquid outlet of gas-liquid separator (2), the fluid issuing of described heated fluid passage (11) is communicated with the gas-liquid mixture entrance of described gas-liquid separator (2), the gas vent of described gas-liquid separator (2) is communicated with the motive fluid entrance of described jet pump (3), the low-pressure gas entrance of described jet pump (3) is communicated with the gas vent of described heat dump (5), the gas vent of described jet pump (3) is communicated with the gas access of described heat extraction device (4), the liquid outlet of described heat extraction device (4) is communicated with the liquid inlet of described heat dump (5) through throttling control valve (6) or through throttle structure, the liquid outlet of described heat extraction device (4) is communicated with the liquid inlet of described gas-liquid separator (2) through liquor pump (7).
3. a solar refrigeration system, comprise solar thermal collector (1), jet pump (3) and heat dump (5), it is characterized in that: the bearing capacity of the heated fluid passage (11) of described solar thermal collector (1) is greater than 0.15MPa, described heated fluid passage (11) is made as fluid vaporization passage, the gas vent of described fluid vaporization passage is communicated with the motive fluid entrance of described jet pump (3), the low-pressure gas entrance of described jet pump (3) is communicated with the gas vent of described heat dump (5), the liquid inlet of described fluid vaporization passage is communicated with the liquid outlet of liquor pump (7), the liquid inlet of described liquor pump (7) is communicated with fluid supply, the liquid inlet of described heat dump (5) is communicated with cryogenic fluid source (72) through throttling control valve (6) or through throttle structure.
4. a solar refrigeration system, comprise solar thermal collector (1), jet pump (3) and heat dump (5), it is characterized in that: the bearing capacity of the heated fluid passage (11) of described solar thermal collector (1) is greater than 0.15MPa, the fluid intake of described heated fluid passage (11) is communicated with the liquid outlet of gas-liquid separator (2), the fluid issuing of described heated fluid passage (11) is communicated with the gas-liquid mixture entrance of described gas-liquid separator (2), the gas vent of described gas-liquid separator (2) is communicated with the motive fluid entrance of described jet pump (3), the low-pressure gas entrance of described jet pump (3) is communicated with the gas vent of described heat dump (5), the liquid inlet of described gas-liquid separator (2) is communicated with the liquid outlet of liquor pump (7), the liquid inlet of described liquor pump (7) is communicated with fluid supply, the liquid inlet of described heat dump (5) is communicated with cryogenic fluid source (72) through throttling control valve (6) or through throttle structure.
5. a solar refrigeration system, comprise solar thermal collector (1), working medium is to absorber (60) and heat dump (5), it is characterized in that: on the heated fluid passage (11) of described solar thermal collector (1), steam export mouth (110) is set, the fluid issuing of described heated fluid passage (11) is communicated with solution entrance the high concentration working medium of absorber (60) with described working medium, described working medium is communicated with the fluid intake of described heated fluid passage (11) through liquor pump (7) taphole (601) the low concentration working medium of absorber (60), described working medium is communicated with the gas vent of described heat dump (5) the gas access that is absorbed of absorber (60).
6. solar refrigeration system as claimed in claim 5, it is characterized in that: through return flow line, (12) are communicated with the fluid intake of described heated fluid passage (11) fluid issuing of described heated fluid passage (11), establish withdrawing fluid pump (73) on described return flow line (12).
7. solar refrigeration system as claimed in claim 6, is characterized in that: on described return flow line (12), establish flow control valve (61).
8. a solar refrigeration system, comprise solar thermal collector group (111), working medium is to absorber (60) and heat dump (5), it is characterized in that: described solar thermal collector group (111) comprises the solar thermal collector (1) that two above series connection arrange, on the heated fluid passage (11) of solar thermal collector described in each (1), steam export mouth (110) is set, the fluid issuing of described solar thermal collector group (111) is communicated with solution entrance the high concentration working medium of absorber (60) with described working medium, described working medium is communicated with the fluid intake of described solar thermal collector group (111) through liquor pump (7) taphole (601) the low concentration working medium of absorber (60), described working medium is communicated with the gas vent of described heat dump (5) the gas access that is absorbed of absorber (60).
9. solar refrigeration system as described in any one in claim 5 to 7, is characterized in that: in the fluid issuing of described heated fluid passage (11) and described working medium, the high concentration working medium of absorber (60) is arranged throttling control valve (6) or throttle structure is set on to the communicating passage between solution entrance.
10. solar refrigeration system as claimed in claim 8, is characterized in that: in the fluid issuing of described solar thermal collector group (111) and described working medium, the high concentration working medium of absorber (60) is arranged throttling control valve (6) or throttle structure is set on to the communicating passage between solution entrance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310538611.7A CN103629853A (en) | 2012-11-05 | 2013-11-04 | Solar cooling system |
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| CN201210436675 | 2012-11-05 | ||
| CN201210436675.1 | 2012-11-05 | ||
| CN201210441632.2 | 2012-11-07 | ||
| CN201210441632 | 2012-11-07 | ||
| CN201210444251.X | 2012-11-08 | ||
| CN201210444251 | 2012-11-08 | ||
| CN201210448897.5 | 2012-11-09 | ||
| CN201210448897 | 2012-11-09 | ||
| CN201210454663.1 | 2012-11-13 | ||
| CN201210454663 | 2012-11-13 | ||
| CN201310538611.7A CN103629853A (en) | 2012-11-05 | 2013-11-04 | Solar cooling system |
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| CN103629853A true CN103629853A (en) | 2014-03-12 |
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| CN201310538611.7A Pending CN103629853A (en) | 2012-11-05 | 2013-11-04 | Solar cooling system |
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| CN104819049A (en) * | 2015-05-22 | 2015-08-05 | 杜文红 | Energy-saving efficient cooler and engine applying energy-saving efficient cooler |
| CN105703243A (en) * | 2016-03-12 | 2016-06-22 | 张殊文 | Power distribution cabinet capable of automatically discharging heat |
| CN106524356A (en) * | 2016-12-05 | 2017-03-22 | 青海聚正新能源有限公司 | Solar photovoltaic refrigeration and heating system |
| CN109506378B (en) * | 2018-12-29 | 2024-02-20 | 北方工业大学 | Absorption type solar condensation automatic temperature adjustment radiation system for cold areas and roof and wall body |
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