CN203396149U - Solar two-stage ejection type refrigerating system with heat regenerator - Google Patents
Solar two-stage ejection type refrigerating system with heat regenerator Download PDFInfo
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- CN203396149U CN203396149U CN201320324117.6U CN201320324117U CN203396149U CN 203396149 U CN203396149 U CN 203396149U CN 201320324117 U CN201320324117 U CN 201320324117U CN 203396149 U CN203396149 U CN 203396149U
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- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 14
- 238000005057 refrigeration Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- -1 then Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model provides a solar two-stage jet refrigerating system with a heat regenerator, and the solar two-stage jet refrigerating system belongs to the technical field of solar energy utilization. The solar two-stage jet refrigerating system comprises a solar thermal collector, a thermal accumulator, a working medium circulating pump, a steam generator, a low-pressure ejector, a high-pressure ejector, a heat regenerator, a condenser, a refrigerant pump, an evaporator and a throttle valve. The solar two-stage ejection type refrigerating system with heat regenerator has the advantages of simple structure, small initial investment, good system stability, non moving component and convenient maintenance, can effectively utilize the low grade thermal energy: the solar energy, and has low operating cost, so that the solar energy and conventional energy resources can be effectively utilized; with the application of the two stages of ejectors which are serially connected, the solar two-stage ejection type refrigerating system improves the performance coefficient of the solar ejection refrigerating system, and provides high critical pressure and uses a solar flat plate collector with low heat collection temperature; and the system truly realizes the two-stage series connection, that is, the ejection fluid of the high-pressure ejector is just is the mixed fluid of the low-pressure injector without taking a part of the refrigeration working medium between the stages.
Description
Technical field
The utility model relates to a kind of solar energy two-stage ejector refrigeration system with regenerator, belongs to technical field of solar utilization technique.
Background technology
The radiant power of the sun reaches 3.8 * 1023kW, and wherein, approximately 1.08 * 1014kW is radiated earth surface.It is estimated, the sun is radiated tellurian energy within January, can support 10 times more than of all non-renewable energy resources gross reserves that comprise fossil fuel, atomic energy etc. on the earth, and solar energy is really inexhaustible, the nexhaustible energy.China belongs to the quite abundant country of solar energy resources, and a 2/3 area year sunshine time of area is greater than 2200h, and unit are solar radiation total amount is higher than 5016MJ/m
2.The solar energy that development and utilization aboundresources, distribution are extremely wide, when providing clean energy resource to the mankind, can also reach the requirement of zero pollution and zero-emission, can greatly accelerate and promote the realization of China's target for energy-saving and emission-reduction.
The method of utilizing of solar energy is diversified, but at present, to the direct heat utilization of solar radiation, is the simplest and efficient mode.There is the shortcoming that energy consumption is large, coefficient of performance is low in traditional solar ejector refrigeration.
Summary of the invention
The utility model provides the solar energy two-stage injection refrigerating system of a kind of novel structure, Novel belt regenerator that the coefficient of performance is high, so that solar energy and conventional energy resource are effectively utilized, improves to greatest extent energy utilization rate.
The utility model is realized by following technical proposal: a kind of solar energy two-stage injection refrigerating system with regenerator, comprise solar thermal collector 1, storage heater 2, working medium circulating pump 3, steam generator 4, low pressure ejector will 5, high-pressure injector 6, regenerator 7, condenser 8, refrigerated medium pump 9, evaporimeter 10 and choke valve 11, described solar thermal collector 1 is connected by working medium circulating pump 3 circulations with storage heater 2, storage heater 2 is connected with the entrance of steam generator 4, the outlet of steam generator 4 is connected with the entrance of high-pressure injector 6, the outlet of high-pressure injector 6 successively with regenerator 7, condenser 8 connects, condenser 8 is connected with evaporimeter 10 with regenerator 7 respectively, between condenser 8 and regenerator 7, be equipped with cryogenic fluid pump 9, between condenser 8 and evaporimeter 10, establish choke valve 11, regenerator 7 is connected with storage heater 2 again, the outlet of evaporimeter 10 is connected with the entrance of low pressure ejector will 5.
Described low pressure ejector will 5 and high-pressure injector 6 series connection.
In the solar energy two-stage injection refrigerating system with regenerator, accumulation of heat subsystem and backheat subsystem share that a set of regenerator is connected, refrigeration subsystem is connected by low pressure ejector will 5, high-pressure injector 6 with backheat subsystem.The outlet of evaporimeter 10 is connected with the entrance of low pressure ejector will 5, and the outlet of steam generator 4 is connected with the entrance of high-pressure injector 6, thereby has realized low pressure ejector will 5 and high-pressure injector 6 is cascaded.Thereby from high-pressure injector 6 gases at high pressure out, from condenser 8 low pressure refrigerant out, realized the maximum utilization of heat with a part.
Operation principle of the present utility model is: solar energy is collected and is stored in storage heater 2 by solar thermal collector 1, utilize the energy in storage heater 2 to heat from regenerator 7 refrigeration working medium out, produce the refrigerant vapour of HTHP, first the refrigerant vapour of HTHP enters in steam generator 4 that some after further heat exchange enters low pressure ejector will 5, another part enters high-pressure injector 6, and HCS (working fluid) suction that enters low pressure ejector will 5 is from low-pressure steam (driving fluid) out of evaporimeter and boost.From low pressure ejector will 5 refrigerant vapour (fluid-mixing) out, as the working fluid of the driving fluid of high-pressure injector 6 and another part stream high-pressure injector 6, mix boosting and enter regenerator 7, at 7 pairs of refrigerant vapours of regenerator, heat, to reduce condenser 8 heat extractions, improve energy utilization rate.Refrigerant vapour from regenerator 7 out, in condenser 8, lower the temperature into saturated liquid, then, refrigerant liquid is divided into two, one enters evaporimeter 10 evaporation endothermic refrigeration after reducing pressure by regulating flow, another enters regenerator 7 after refrigerated medium pump 9 pressurizations, then produces HCS through storage heater 2, steam generator 4, finally enters injector and completes circulation.
The feature of this system maximum is to adopt the injector of two series connection to improve the low shortcoming of the coefficient of performance of traditional solar refrigeration system, regenerator is installed to improve the circulating temperature of whole system, improves system effectiveness.Whole system is comprised of accumulation of heat subcycle, backheat subcycle, refrigeration subcycle.Accumulation of heat subcycle and a set of storage heater of backheat cycle sharing, spray subcycle and a set of regenerator of backheat cycle sharing, so common solar thermal collector and heat exchanger are integrated, collecting system and heat exchange link have been reduced, thereby reduced heat loss and energy consumption, and improved coefficient of performance.
The beneficial effects of the utility model are: simple in structure, the initial stage drops into little; The stability of a system is good, and movement-less part is easy to maintenance; Can effectively utilize low grade heat energy-solar energy, operating cost is low, so that solar energy and conventional energy resource are effectively utilized; The series connection of two-stage ejector, has improved the coefficient of performance of solar energy jetting refrigeration system, and the higher critical plate solar collector that heat-collecting temperature is lower of being pressed and use is provided simultaneously; This system has truly realized two-stage series connection, and the driving fluid of high-pressure injector is the fluid-mixing of low pressure ejector will just, and between level and level, does not take a part of refrigeration working medium away; Adopt regenerator to improve the heat utilization ratio of whole system, reach the object of saving the energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1-solar thermal collector, 2-storage heater, 3-working medium circulating pump, 4-steam generator, 5-low pressure ejector will, 6-high-pressure injector, 7-regenerator, 8-condenser, 9-refrigerated medium pump, 10-evaporimeter, 11-choke valve.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in Figure 1, solar energy two-stage injection refrigerating system with regenerator comprises solar thermal collector 1, storage heater 2, working medium circulating pump 3, steam generator 4, low pressure ejector will 5, high-pressure injector 6, regenerator 7, condenser 8, refrigerated medium pump 9, evaporimeter 10 and choke valve 11, described solar thermal collector 1 is connected by working medium circulating pump 3 circulations with storage heater 2, storage heater 2 is connected with the entrance of steam generator 4, the outlet of steam generator 4 is connected with the entrance of high-pressure injector 6, the outlet of high-pressure injector 6 successively with regenerator 7, condenser 8 connects, condenser 8 is connected with evaporimeter 10 with regenerator 7 respectively, between condenser 8 and regenerator 7, be equipped with cryogenic fluid pump 9, between condenser 8 and evaporimeter 10, establish choke valve 11, regenerator 7 is connected with storage heater 2 again, the outlet of evaporimeter 10 is connected with the entrance of low pressure ejector will 5, low pressure ejector will 5 and high-pressure injector 6 series connection.
Solar energy is collected and is stored in storage heater 2 by solar thermal collector 1, utilize the energy in storage heater 2 to heat from regenerator 7 refrigeration working medium out, produce the refrigerant vapour of HTHP, first the refrigerant vapour of HTHP enters in steam generator 4 that some after further heat exchange enters low pressure ejector will 5, another part enters high-pressure injector 6, and HCS (working fluid) suction that enters low pressure ejector will 5 is from low-pressure steam (driving fluid) out of evaporimeter and boost.From low pressure ejector will 5 refrigerant vapour (fluid-mixing) out, as the working fluid of the driving fluid of high-pressure injector 6 and another part stream high-pressure injector 6, mix boosting and enter regenerator 7, at 7 pairs of refrigerant vapours of regenerator, heat, to reduce condenser 8 heat extractions, improve energy utilization rate.Refrigerant vapour from regenerator 7 out, in condenser 8, lower the temperature into saturated liquid, then, refrigerant liquid is divided into two, one enters evaporimeter 10 evaporation endothermic refrigeration after reducing pressure by regulating flow, another enters regenerator 7 after refrigerated medium pump 9 pressurizations, then produces HCS through storage heater 2, steam generator 4, finally enters injector and completes circulation.
Through simulation, the 10KW of design compares than traditional solar injection cooling device with the solar energy two-stage injection cooling device of regenerator, improves 30～40% on the coefficient of performance, energy-conservation more than 20%.
Claims (2)
1. the solar energy two-stage injection refrigerating system with regenerator, it is characterized in that: comprise solar thermal collector (1), storage heater (2), working medium circulating pump (3), steam generator (4), low pressure ejector will (5), high-pressure injector (6), regenerator (7), condenser (8), refrigerated medium pump (9), evaporimeter (10) and choke valve (11), described solar thermal collector (1) is connected by working medium circulating pump (3) circulation with storage heater (2), storage heater (2) is connected with the entrance of steam generator (4), the outlet of steam generator (4) is connected with the entrance of high-pressure injector (6), the outlet of high-pressure injector (6) successively with regenerator (7), condenser (8) connects, condenser (8) is connected with evaporimeter (10) with regenerator (7) respectively, between condenser (8) and regenerator (7), be equipped with cryogenic fluid pump (9), between condenser (8) and evaporimeter (10), establish choke valve (11), regenerator (7) is connected with storage heater (2) again, the outlet of evaporimeter (10) is connected with the entrance of low pressure ejector will (5).
2. the solar energy two-stage injection refrigerating system with regenerator according to claim 1, is characterized in that: described low pressure ejector will (5) and high-pressure injector (6) series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324117.6U CN203396149U (en) | 2013-06-06 | 2013-06-06 | Solar two-stage ejection type refrigerating system with heat regenerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324117.6U CN203396149U (en) | 2013-06-06 | 2013-06-06 | Solar two-stage ejection type refrigerating system with heat regenerator |
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| CN203396149U true CN203396149U (en) | 2014-01-15 |
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| CN201320324117.6U Expired - Fee Related CN203396149U (en) | 2013-06-06 | 2013-06-06 | Solar two-stage ejection type refrigerating system with heat regenerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157271A (en) * | 2015-10-12 | 2015-12-16 | 钟小强 | Solar heat pump jet refrigeration device |
| CN105180558A (en) * | 2015-10-11 | 2015-12-23 | 钟小强 | Solar ejection refrigeration refrigerator |
| CN111059793A (en) * | 2018-10-16 | 2020-04-24 | 北汽福田汽车股份有限公司 | Solar refrigeration system and vehicle |
| CN111059794A (en) * | 2018-10-16 | 2020-04-24 | 北汽福田汽车股份有限公司 | Solar device and vehicle |
| CN111397234A (en) * | 2020-03-05 | 2020-07-10 | 浙江大学 | Low-grade heat-driven mixed working medium refrigerating system |
| CN114001489A (en) * | 2021-10-11 | 2022-02-01 | 昆明理工大学 | Solar jet type refrigeration power-cooling combined supply system |
| CN114791179A (en) * | 2022-04-14 | 2022-07-26 | 西安热工研究院有限公司 | Solar waste heat driven jet refrigeration coupling system and method |
-
2013
- 2013-06-06 CN CN201320324117.6U patent/CN203396149U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180558A (en) * | 2015-10-11 | 2015-12-23 | 钟小强 | Solar ejection refrigeration refrigerator |
| CN105157271A (en) * | 2015-10-12 | 2015-12-16 | 钟小强 | Solar heat pump jet refrigeration device |
| CN111059793A (en) * | 2018-10-16 | 2020-04-24 | 北汽福田汽车股份有限公司 | Solar refrigeration system and vehicle |
| CN111059794A (en) * | 2018-10-16 | 2020-04-24 | 北汽福田汽车股份有限公司 | Solar device and vehicle |
| CN111059794B (en) * | 2018-10-16 | 2021-11-05 | 北汽福田汽车股份有限公司 | Solar device and vehicle |
| CN111397234A (en) * | 2020-03-05 | 2020-07-10 | 浙江大学 | Low-grade heat-driven mixed working medium refrigerating system |
| CN111397234B (en) * | 2020-03-05 | 2021-07-20 | 浙江大学 | Low-grade heat-driven mixed working medium refrigerating system |
| CN114001489A (en) * | 2021-10-11 | 2022-02-01 | 昆明理工大学 | Solar jet type refrigeration power-cooling combined supply system |
| CN114791179A (en) * | 2022-04-14 | 2022-07-26 | 西安热工研究院有限公司 | Solar waste heat driven jet refrigeration coupling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140606 |