CN204830556U - Solar energy sprays overlapping cooling cycle system - Google Patents
Solar energy sprays overlapping cooling cycle system Download PDFInfo
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- CN204830556U CN204830556U CN201520566407.0U CN201520566407U CN204830556U CN 204830556 U CN204830556 U CN 204830556U CN 201520566407 U CN201520566407 U CN 201520566407U CN 204830556 U CN204830556 U CN 204830556U
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Abstract
The utility model discloses a solar energy sprays overlapping cooling cycle system aims at providing a low temperature level and uses solar energy for driving, combine the sprayer as high temperature level endless system. Solar collector's hot water export is connected with heating coil's water inlet, heating coil's delivery port passes through circulating water pump and is connected with solar collector's return water mouth, refrigerant vapor generating device's steam outlet takes over with the entry of sprayer and is connected, the export takeover of sprayer and the access connection of condenser, the export of condenser and the working medium pump and an entry linkage thermostatic expansion valve, working medium delivery side of pump and refrigerant vapor generating device's refrigerant entry linkage, a thermostatic expansion valve's export and condensing evaporator's high temperature level refrigerant entry linkage, condensing evaporator's export of high temperature level refrigerant and drawing of sprayer are penetrated to take over and are connected, the export of compressor and condensing evaporator's low temperature level working medium entry linkage, condensing evaporator's low temperature level working medium outlet is connected with the evaporimeter.
Description
Technical field
The utility model relates to a kind of solar energy jetting cascade refrigeration circulatory system, and particularly relating to a kind of low-temperature level take solar energy as the overlapping ejector refrigeration system driven.
Background technology
Solar energy resources enriches, and current solar utilization technique now comparative maturity, solar utilization technique is widely used in field of Refrigeration and Air-conditioning, the cooling cycle system larger for pressure ratio is realized by the steam refrigerating circulation of employing two stages of compression or autocascade cycle usually, simultaneously, jet refrigeration circulation has the feature of long service life, and this technology now comparative maturity.
In the place that some comparatively remote and solar energy resourceses of China are very abundant, the restriction of electricity consumption is usually subject to when needing the refrigeration system of lower evaporating temperature, adopt the autocascade cycle of compressor can not only save power consumption in conjunction with ejector refrigeration by only having low-temperature level, the use of compressor can be reduced simultaneously, save cost.
Utility model content
The purpose of this utility model is the technological deficiency for existing in prior art, and provides a kind of low-temperature level to take solar energy as the cascade refrigeration circulatory system driving, circulate as high-temperature level in conjunction with injector.
The technical scheme adopted for realizing the purpose of this utility model is:
A kind of solar energy jetting cascade refrigeration circulatory system, comprises solar thermal collector, water circulating pump, refrigerant vapour generating means, heat(ing) coil, working medium pump, injector, condenser, the first heating power expansion valve, condenser/evaporator, compressor, evaporimeter and the second heating power expansion valve, the hot water outlet of described solar thermal collector is connected with the water inlet of described heat(ing) coil, the delivery port of described heat(ing) coil is connected with the water return outlet of described solar thermal collector by described water circulating pump, it is inner that described heat(ing) coil is placed in described refrigerant vapour generating means, the steam (vapor) outlet of described refrigerant vapour generating means is connected with the inlet connection of described injector, the discharge connection of described injector is connected with the import of described condenser, the outlet of described condenser is connected with the entrance of described working medium pump and the entrance of described first heating power expansion valve respectively, described working medium delivery side of pump is connected with the refrigerant inlet of described refrigerant vapour generating means, the outlet of described first heating power expansion valve is connected with the high-temperature level refrigeration agent entrance of described condenser/evaporator, the high-temperature level refrigeration agent outlet of described condenser/evaporator is taken over the injection of described injector and is connected, the outlet of described compressor is connected with the low-temperature level working medium entrance of described condenser/evaporator, the low-temperature level sender property outlet of described condenser/evaporator is connected with the entrance of described evaporimeter by described second heating power expansion valve, and the outlet of described evaporimeter is connected with the entrance of described compressor.
In described refrigerant vapour generating means, auxiliary electric heater unit is installed.
Compared with prior art, the beneficial effects of the utility model are:
1, refrigeration system of the present utility model is drive with solar energy, and in conjunction with injector composition autocascade cycle system, with Driven by Solar Energy high-temperature level refrigeration cycle, the use of compressor can be reduced for traditional autocascade cycle, the utilization of primary energy can be reduced simultaneously.
2, refrigeration system of the present utility model adopts injector to decrease mechanical friction damage, safe and reliable, long service life, and economize energy, reduces operating cost.
3, refrigeration system of the present utility model rubs equal loss for traditional cascade refrigeration cyclic design because high-temperature level does not exist, low-temperature level can design less pressure ratio, therefore the low-temperature level compressor that supercharging can be adopted smaller, high condensation temperature is realized by autocascade cycle, adopt smaller compressor can save the consumptive material of equipment, compression ratio is little simultaneously brings lower delivery temperature, extends the life-span of compressor.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of solar energy jetting cascade refrigeration of the utility model circulatory system;
Fig. 2 is the interface diagram of injector.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The schematic diagram of a kind of solar energy jetting cascade refrigeration of the utility model circulatory system as depicted in figs. 1 and 2, comprises solar thermal collector 1, water circulating pump 2, refrigerant vapour generating means 3, heat(ing) coil 4, working medium pump 5, injector 6, condenser 7, first heating power expansion valve 8, condenser/evaporator 9, compressor 10, evaporimeter 11 and the second heating power expansion valve 12.The hot water outlet of described solar thermal collector 1 is connected with the water inlet of described heat(ing) coil 4, the delivery port of described heat(ing) coil 4 is connected with the water return outlet of described solar thermal collector 1 by described water circulating pump 2, and it is inner that described heat(ing) coil 4 is placed in described refrigerant vapour generating means 3.The steam (vapor) outlet of described refrigerant vapour generating means 3 is connected with the inlet connection 14 of described injector 6, the discharge connection 19 of described injector 6 is connected with the import of described condenser 7, the outlet of described condenser 7 is connected with the entrance of described working medium pump 5 and the entrance of described first heating power expansion valve 8 respectively, the outlet of described working medium pump 5 is connected with the refrigerant inlet of described refrigerant vapour generating means 3, the outlet of described first heating power expansion valve 8 is connected with the high-temperature level refrigeration agent entrance of described condenser/evaporator 9, the high-temperature level refrigeration agent outlet of described condenser/evaporator 9 is connected with the injection adapter 15 of described injector 6.The outlet of described compressor 10 is connected with the low-temperature level working medium entrance of described condenser/evaporator 9, the low-temperature level sender property outlet of described condenser/evaporator 9 is connected with the entrance of described evaporimeter 11 by described second heating power expansion valve 12, and the outlet of described evaporimeter 11 is connected with the entrance of described compressor 10.
In order to make up the impact of solar energy deficiency, in described refrigerant vapour generating means 3, auxiliary electric heater unit 13 is installed.
Recirculated water endothermic temperature in solar thermal collector raises, high-temperature water produces working substance steam by the cold working medium of the cold-producing medium in heat(ing) coil 4 heating and cooling agent steam raising plant 3, working substance steam is expanded by the nozzle 16 of injector 6 and after carrying out flow at high speed, very low pressure is caused in nozzle 16 exit of injector 6, and attract the low pressure refrigerant vapor in condenser/evaporator 9, enter the mixing chamber 17 of injector 6 and enter diffuser 18 together with after steam wherein, in diffuser 18, flow velocity reduces, pressure enters condenser 7 after raising and carries out condensation, part of condensed liquid enters in condenser/evaporator 9 and vaporizes after the first heating power expansion valve 8 reduces pressure cooling, part of condensed liquid enters in refrigerant vapour generating means 3 after working medium pump 5 pressurizes.When solar radiation is not enough, described auxiliary electric heater unit 13 is opened, and provides the heat needed for cold-producing medium evaporation.
In low-temperature level, low-temperature low-pressure refrigerant in evaporimeter 11 enters condenser/evaporator 9 and high-temperature level refrigeration agent generation heat exchange after compressor 10 compresses, release heat generation condensation, condensate liquid enters in evaporimeter 11 and vaporizes after the second heating power expansion valve 12 step-down cooling.
The solar energy jetting cascade refrigeration circulatory system of the present utility model, the utilization of primary energy can be reduced with Driven by Solar Energy autocascade cycle cooling cycle system low-temperature level, simultaneously, the compressor that low-temperature level can adopt compression smaller, adopt smaller compressor can save the consumptive material of equipment, compression ratio is little simultaneously brings lower delivery temperature, extends the life-span of compressor.
The above is only preferred embodiment of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. a solar energy jetting cascade refrigeration circulatory system, it is characterized in that, comprise solar thermal collector, water circulating pump, refrigerant vapour generating means, heat(ing) coil, working medium pump, injector, condenser, the first heating power expansion valve, condenser/evaporator, compressor, evaporimeter and the second heating power expansion valve, the hot water outlet of described solar thermal collector is connected with the water inlet of described heat(ing) coil, the delivery port of described heat(ing) coil is connected with the water return outlet of described solar thermal collector by described water circulating pump, it is inner that described heat(ing) coil is placed in described refrigerant vapour generating means, the steam (vapor) outlet of described refrigerant vapour generating means is connected with the inlet connection of described injector, the discharge connection of described injector is connected with the import of described condenser, the outlet of described condenser is connected with the entrance of described working medium pump and the entrance of described first heating power expansion valve respectively, described working medium delivery side of pump is connected with the refrigerant inlet of described refrigerant vapour generating means, the outlet of described first heating power expansion valve is connected with the high-temperature level refrigeration agent entrance of described condenser/evaporator, the high-temperature level refrigeration agent outlet of described condenser/evaporator is taken over the injection of described injector and is connected, the outlet of described compressor is connected with the low-temperature level working medium entrance of described condenser/evaporator, the low-temperature level sender property outlet of described condenser/evaporator is connected with the entrance of described evaporimeter by described second heating power expansion valve, and the outlet of described evaporimeter is connected with the entrance of described compressor.
2. the solar energy jetting cascade refrigeration circulatory system according to claim 1, is characterized in that, is provided with auxiliary electric heater unit in described refrigerant vapour generating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566407.0U CN204830556U (en) | 2015-07-31 | 2015-07-31 | Solar energy sprays overlapping cooling cycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566407.0U CN204830556U (en) | 2015-07-31 | 2015-07-31 | Solar energy sprays overlapping cooling cycle system |
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| CN204830556U true CN204830556U (en) | 2015-12-02 |
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| CN201520566407.0U Expired - Fee Related CN204830556U (en) | 2015-07-31 | 2015-07-31 | Solar energy sprays overlapping cooling cycle system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423613A (en) * | 2015-12-23 | 2016-03-23 | 广西大学 | Mechanical supercharging type solar ejection refrigerating system and method |
| CN105698428A (en) * | 2016-03-25 | 2016-06-22 | 太原理工大学 | Cold supply device combining solar energy jetting and direct evaporation |
| CN106403355A (en) * | 2016-11-22 | 2017-02-15 | 中国矿业大学 | Ejection refrigeration system with double evaporators |
| CN108375233A (en) * | 2018-04-19 | 2018-08-07 | 天津商业大学 | A kind of folding type cooling system with backheat and injection decompression |
| CN109539230A (en) * | 2017-08-09 | 2019-03-29 | 新疆工程学院 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump circulation |
-
2015
- 2015-07-31 CN CN201520566407.0U patent/CN204830556U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423613A (en) * | 2015-12-23 | 2016-03-23 | 广西大学 | Mechanical supercharging type solar ejection refrigerating system and method |
| CN105698428A (en) * | 2016-03-25 | 2016-06-22 | 太原理工大学 | Cold supply device combining solar energy jetting and direct evaporation |
| CN105698428B (en) * | 2016-03-25 | 2018-08-10 | 太原理工大学 | Solar energy jetting and directly evaporate compound cooling apparatus |
| CN106403355A (en) * | 2016-11-22 | 2017-02-15 | 中国矿业大学 | Ejection refrigeration system with double evaporators |
| CN109539230A (en) * | 2017-08-09 | 2019-03-29 | 新疆工程学院 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump circulation |
| CN108375233A (en) * | 2018-04-19 | 2018-08-07 | 天津商业大学 | A kind of folding type cooling system with backheat and injection decompression |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |