CN201844611U - Energy-saving deep refrigeration device - Google Patents
Energy-saving deep refrigeration device Download PDFInfo
- Publication number
- CN201844611U CN201844611U CN2010205660147U CN201020566014U CN201844611U CN 201844611 U CN201844611 U CN 201844611U CN 2010205660147 U CN2010205660147 U CN 2010205660147U CN 201020566014 U CN201020566014 U CN 201020566014U CN 201844611 U CN201844611 U CN 201844611U
- Authority
- CN
- China
- Prior art keywords
- outlet
- regenerator
- injector
- condenser
- temperature side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an energy-saving deep refrigeration device comprising a generator, an injector, a working medium pump, a condenser, a gas-liquid separator, a compressor, a first throttling component, a condensing evaporator, a second throttling component, an evaporator and a heater, wherein the steam outlet of the generator is connected with the working fluid inlet of the injector; the fluid outlet of the injector is connected with the condenser; the outlet of the condenser is connected with the liquid inlet of the gas-liquid separator; and the main liquid outlet of the gas-liquid separator is connected with the inlet of the generator through the working medium pump. High boiling point components are condensed through the injector driven by low-grade heat energies into liquid that is used as a low boiling point component cooling medium; and another function of the injector is to increase the low boiling point component suction pressure at the air suction hole of the compressor, so as to reduce the compression ratio of the compressor and realize lower refrigeration temperature. The system operates stably, realizes efficient utilization of the low-grade energies, and has a remarkable energy saving effect and a wide application prospect.
Description
Technical field
The utility model relates to refrigeration system, relates in particular to the combined type cryogenic refrigerating system of a kind of compressor and injector associated working.
Background technology
Spray type refrigerating has regenerative resources such as the solar energy of utilization, underground heat and industrial exhaust heat waits the advantage that realizes freezing, but, because this system adopts one-component cold-producing medium working medium, and the injector compression ratio is less, be difficult to reach cooling medium required condensing pressure requirement when chilling temperature is higher of condenser, so cryogenic temperature is higher, and this system effectiveness is lower, makes its practical application be very limited.So, cascade refrigeration circulation and self-folding type kind of refrigeration cycle are adopted in cryogenic refrigeration usually, though these two kinds circulations can obtain the cryogenic temperature of-50 ℃ ~-120 ℃ of scopes, yet they are all driven by the high-grade electric energy, and, along with cryogenic temperature descends, refrigerating efficiency descends, compressor power consumption increases, and as seen, is that cascade refrigeration circulates or the significant advantage that the cascade refrigeration circulation does not have energy-saving and emission-reduction voluntarily.
The utility model content
The purpose of this utility model provides a kind of energy-saving deep freezing plant that reduces the compressor power consumption that is beneficial to.
For achieving the above object, the utility model adopts following technical scheme: a kind of energy-saving deep freezing plant, comprise compression-type refrigeration part and low grade heat energy slave part, described compression-type refrigeration partly comprises compressor, the high temperature side passage of condenser/evaporator, second throttle part, the evaporimeter that connects through successively, and the low grade heat energy slave part comprises the high temperature side passage of generator, injector, condenser, gas-liquid separator, working medium pump, first throttle parts, condenser/evaporator; Generator has import and export and is located at the interior heater that is used for providing to generator low grade heat energy of generator, and injector has working fluid import, driving fluid import and fluid issuing; Gas-liquid separator has inlet, main liquid outlet, branch's liquid outlet and gas outlet; The steam (vapor) outlet of described generator links to each other with the working fluid import of injector, the fluid issuing of injector links to each other with condenser, the outlet of condenser links to each other with the inlet of gas-liquid separator, the main liquid outlet of gas-liquid separator links to each other with the import of generator through working medium pump, at least successively be connected in series the driving fluid import that inserts injector behind the low temperature side passage of first throttle parts, condenser/evaporator again on the pipeline that branch's liquid outlet of gas-liquid separator is connected, the gas outlet of gas-liquid separator links to each other with the air entry of compressor; The pipeline that the outlet of described evaporimeter is connected by pipeline and condenser/evaporator outlet converges the back and inserts the driving fluid import that is connected injector.
Described heater is the heater that heat is provided by solar energy, geothermal energy, industrial exhaust heat or used heat.
Also be provided with the 4th regenerator in the described gas-liquid separator, the 4th regenerator is serially connected on the pipeline that branch's liquid outlet of described gas-liquid separator connected, and is arranged between the driving fluid import of the outlet of low temperature side passage of condenser/evaporator and injector.
Be provided with first regenerator in the described low grade heat energy slave part with high and low temperature wing passage, the low temperature side passage of first regenerator is serially connected with on the pipeline between working medium delivery side of pump and the generator import, and the high temperature side passage of first regenerator is serially connected with on the fluid issuing and the pipeline between the condenser inlet of injector.
Be provided with in the described compression-type refrigeration part and have height respectively, second regenerator of low temperature side passage, the 3rd regenerator, the low temperature side passage of second regenerator is serially connected with on the pipeline between the driving fluid import of the low temperature side channel outlet of the 3rd regenerator and injector, the high temperature side passage of second regenerator is serially connected with on the pipeline between the import of high temperature side passage of the exhaust outlet of compressor and condenser/evaporator, the high temperature side passage of the 3rd regenerator is serially connected with in the outlet and the pipeline between the second throttle part import of high temperature side passage of condenser/evaporator, and the low temperature side passage of the 3rd regenerator is serially connected with on the pipeline between the import of low temperature side passage of the outlet of evaporimeter and second regenerator.
Described system adopts by higher boiling working medium and low boiling working fluid mixes the binary mixed non-azeotropic refrigerant working medium that constitutes.
Effect of the present utility model and benefit are effectively to utilize low-grade energies such as solar energy, waste heat to drive injector to realize the high boiling component compression process, improve compressor air suction pressure, reduce the compressor pressure ratio, compressor power consumption reduces, and can obtain the cryogenic refrigeration temperature.Realize that by injector that low grade heat energy drove high boiling component is condensed into liquid with as the low boiling component cooling medium, another effect of injector is the low boiling component pressure of inspiration(Pi) that increases at the compressor air suction mouth, reduce compressor pressure ratios, realize lower cryogenic temperature.Because the compression process of high boiling component is finished by injector in this circulation, therefore save compressor wasted work amount, injector also improves the pressure of inspiration(Pi) of compressor air suction mouth low boiling component, also helps further to reduce the compressor power consumption.With compare with the cascade refrigeration circulatory system that compression refrigeration is formed from overlapping cooling cycle system, ejector refrigeration, this system has all bigger advantage, and is stable, realizes that low-grade energy efficiently utilizes, energy-saving effect is remarkable, has a extensive future.
Description of drawings
Fig. 1 is the structural principle schematic diagram of embodiment 1 of the present utility model;
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
The specific embodiment
As shown in Figure 1, the embodiment 1 of energy-saving deep freezing plant of the present utility model, the arrow among Fig. 1 represent to connect between system's each several part ducted direction of flow.This system comprises compression-type refrigeration part and low-grade heat energy slave part, adopt among the embodiment of this system by higher boiling working medium and low boiling working fluid and mix the binary mixed non-azeotropic refrigerant working medium that constitutes, higher boiling working medium is a kind of among R600a, R152a, R134a or the R22, and low boiling working fluid is a kind of among R23, R170, R290 or the R32.
Described compression-type refrigeration part is similar with prior art, comprises high temperature side passage, the 3rd regenerator 11, second throttle part 12, the evaporimeter 13 of compressor 9, second regenerator 5, condenser/evaporator 10.
The low grade heat energy slave part comprises the low temperature side passage of generator 1, injector 2, first regenerator 3, condenser 4, gas-liquid separator 6, first throttle parts 8, condenser/evaporator 10.Be provided with the cooling device that is used for to the air-cooled or water-cooled of external world's heat radiation in the described condenser 4, generator 1 has solution inlet port, steam (vapor) outlet and is located at the interior heater 14 that is used for providing to generator 1 low grade heat energy of generator, and the heat that adds of heater 14 is provided by solar energy, geothermal energy, industrial exhaust heat or used heat.Injector 2 has working fluid import, driving fluid import and fluid issuing.Gas-liquid separator 6 has inlet, main liquid outlet and gas outlet, also be provided with in the gas-liquid separator 6 the 4th regenerator 15 and with the 4th regenerator 15 corresponding branch liquid outlets.
The steam (vapor) outlet of the generator 1 of low-grade heat energy slave part links to each other with the working fluid import of injector 2 by pipeline, the pipeline that fluid issuing connected of injector 2 is connected in series the high temperature side steam channel of first regenerator 3 successively, condenser 4, the outlet of condenser 4 links to each other with the inlet of gas-liquid separator 6, in two liquid outlets of described gas-liquid separator 6, main liquid outlet links to each other with working medium pump 7 imports, the outlet of working medium pump 7 links to each other with the import of generator 1 through the fluid passage of first regenerator 3, the pipeline that branch's liquid outlet of gas-liquid separator 6 is connected is connected in series first throttle parts 8 successively, insert the import of the 4th regenerator 15 behind the low temperature side passage of condenser/evaporator 10, the gas outlet of gas-liquid separator 6 links to each other with the air entry of compressor 9.
The pipeline that exhaust outlet connected of the compressor 9 of compression-type refrigeration part is connected in series the low temperature side passage that inserts second regenerator 5 after the low temperature side passage of high temperature side passage, second throttle part 12, evaporimeter 13, the 3rd regenerator 11 of high temperature side passage, the 3rd regenerator 11 of high temperature side passage, the condenser/evaporator 10 of second regenerator 5 successively, and the pipeline that outlet connected of the low temperature side passage of second regenerator 5 and the pipeline that outlet connected of the 4th regenerator 15 converge the driving fluid import of access injector 2 afterwards.
The circulation that the low grade heat energy drive part is made up of the passage that links to each other in generator 1, injector 2, first regenerator 3, condenser 4, gas-liquid separator 6, the working medium pump 7 can improve the pressure of inspiration(Pi) of the low boiling component of compressor 9 air entries, to reduce compressor pressure ratios and to save energy consumption of compressor.
The circulation that the low grade heat energy drive part is made up of the passage that links to each other in generator 1, injector 2, first regenerator 3, condenser 4, gas-liquid separator 6, first throttle parts 8, condenser/evaporator 10, the 4th regenerator 15, the working medium pump 7, low temperature side passage by condenser/evaporator 10 provides compressor 9 exhaust outlet low boiling components to be condensed into the needed cold of liquid, to save compressor 9 energy consumptions.This cycles through heat that condenser/evaporator 10 obtains and is back to the 4th regenerator 15 simultaneously, discharges near gas-liquid separator 6 gas outlets, with the component purity of the low boiling working fluid gas that improves compressor 9 air entries.
Second regenerator 5 is set between the exhaust outlet of compressor 9 and the condenser/evaporator 10, the low-pressure low-temperature steam that is used to flash-pot 13 cools off the high steam that enters condenser/evaporator 10 loads and the saving refrigerating capacity to reduce condenser/evaporator, also helps to increase by first regenerator 3 and reclaims heats.
The operation principle of this energy-saving deep freezing plant: the higher boiling refrigerant liquid in the generator 1 becomes high pressure superheater state refrigerant vapour after being heated by heater 14, enter the low pressure refrigerant vapor of injector 2 suctions as working steam from second regenerator 5 and the 4th regenerator 15, mix pressurization through injector 2, after entering 3 heat exchange of first regenerator, the intermediate pressure state refrigerant mixed steam of injector 2 outlets enters in the condenser 4, gas-liquid two-phase mix refrigerant portion gas is condensed, the gas-liquid two-phase mix refrigerant enters gas-liquid separator 6 and realizes gas phase and liquid phase separation, separate the back gas phase and partly be mainly low boiling point refrigerant and a small amount of higher boiling cold-producing medium, liquid phase part is mainly higher boiling cold-producing medium and a small amount of low boiling point refrigerant, gaseous refrigerant enters compressor 9 and is compressed into high-temperature high-pressure refrigerant steam in the gas-liquid separator 6 after the 4th regenerator 15 rectification and purification, and the high-temperature high-pressure refrigerant steam of compressor 9 outlets enters second regenerator 5 and comes the low-pressure low-temperature refrigerant vapour of flash-pot 13 to carry out heat exchange; A part of liquid refrigerant flows out from main liquid outlet and enter first regenerator 3 and injector 2 outlet gaseous state mix refrigerant heat exchange after working medium pump 7 pressurization in the gas-liquid separator 6, enters generator 1 then and is heated gasification and is the working steam of injector 2; Another part liquid refrigerant flows out then through first throttle parts 8 throttling step-downs becoming low-pressure low-temperature cold-producing medium from the branch liquid outlet and enters condenser/evaporator 10 and high temperature and high pressure gaseous refrigerant heat exchange from second regenerator 5 in the gas-liquid separator 6, low-pressure low-temperature liquid refrigerant heat absorption evaporation, the 4th regenerator 15 that high-pressure gaseous refrigerant heat release condensation, the low-pressure gaseous refrigerant steam after the evaporation enter in the gas-liquid separator 6 carries out heat exchange with gaseous refrigerant in the gas-liquid separator 6; The high pressure liquid refrigerant that flows out from condenser/evaporator 10 enters the 3rd regenerator 11 and crosses cold back and flow into the 12 throttling step-downs of second throttle part and become the low-pressure low-temperature cold-producing medium to enter evaporimeter 13 to realize cryogenic refrigerations, the low pressure refrigerant vapor of evaporimeter 13 outlets is mixed with the refrigerant vapour of the 4th regenerator 15 outlets after the 3rd regenerator 11 and 5 heat exchange of second regenerator, this refrigerant vapour mixture is entered injector 2 by the high pressure refrigerant vapor injection from generator 1, so far finishes a cyclic process.
Be provided with first, second, third and fourth regenerator in the foregoing description 1, and regenerator belongs in the refrigeration machine technical field commonly used but nonessential mounted component, in other embodiment of the present utility model, also regenerator can be set, as shown in Figure 2, embodiment 2 of the present utility model, be with the difference of embodiment 1, first, second, third and fourth regenerator is not set, and the low temperature side channel outlet of condenser/evaporator 10 is directly converged the driving fluid import that injector 2 is inserted in the back with the pipeline that evaporimeter 13 outlets are connected.At other embodiments of the present utility model, first, second, third and fourth regenerator can be provided with wherein at least one according to actual needs.
Claims (5)
1. energy-saving deep freezing plant, it is characterized in that: comprise compression-type refrigeration part and low grade heat energy slave part, described compression-type refrigeration partly comprises compressor (9), the high temperature side passage of condenser/evaporator (10), second throttle part (12), the evaporimeter (13) that connects through successively, and the low grade heat energy slave part comprises the high temperature side passage of generator (1), injector (2), condenser (4), gas-liquid separator (6), working medium pump (7), first throttle parts (8), condenser/evaporator (10); Generator (1) has import and export and is located at the interior heater (14) that is used for providing to generator (1) low grade heat energy of generator, and injector (2) has working fluid import, driving fluid import and fluid issuing; Gas-liquid separator (6) has inlet, main liquid outlet, branch's liquid outlet and gas outlet; The steam (vapor) outlet of described generator (1) links to each other with the working fluid import of injector (2), the fluid issuing of injector (2) links to each other with condenser (4), the outlet of condenser (4) links to each other with the inlet of gas-liquid separator (6), the main liquid outlet of gas-liquid separator (6) links to each other through the import of working medium pump (7) with generator (1), at least successively be connected in series first throttle parts (8) on the pipeline that branch's liquid outlet of gas-liquid separator (6) is connected, insert the driving fluid import of injector (2) behind the low temperature side passage of condenser/evaporator (10) again, the gas outlet of gas-liquid separator (6) links to each other with the air entry of compressor (9); The pipeline that the outlet of described evaporimeter (13) is connected by pipeline and condenser/evaporator (10) outlet converges the back and inserts the driving fluid import that is connected injector (2).
2. energy-saving deep freezing plant according to claim 1 is characterized in that: described heater (14) is the heater that heat is provided by solar energy, geothermal energy, industrial exhaust heat or used heat.
3. energy-saving deep freezing plant according to claim 1 and 2, it is characterized in that: also be provided with the 4th regenerator (15) in the described gas-liquid separator (6), the 4th regenerator (15) is serially connected on the pipeline that branch's liquid outlet of described gas-liquid separator (6) connected, and is arranged between the driving fluid import of the outlet of low temperature side passage of condenser/evaporator and injector (2).
4. energy-saving deep freezing plant according to claim 3, it is characterized in that: be provided with first regenerator (3) in the described low grade heat energy slave part with high and low temperature wing passage, the low temperature side passage of first regenerator (3) is serially connected with in the outlet and the pipeline between generator (1) import of working medium pump (7), and the high temperature side passage of first regenerator (3) is serially connected with on the fluid issuing and the pipeline between condenser (4) import of injector (2).
5. energy-saving deep freezing plant according to claim 3, it is characterized in that: be provided with in the described compression-type refrigeration part and have height respectively, second regenerator (5) of low temperature side passage, the 3rd regenerator (11), the low temperature side passage of second regenerator (5) is serially connected with on the pipeline between the driving fluid import of the low temperature side channel outlet of the 3rd regenerator (11) and injector (2), the high temperature side passage of second regenerator (5) is serially connected with on the pipeline between the import of high temperature side passage of the exhaust outlet of compressor (9) and condenser/evaporator (10), the high temperature side passage of the 3rd regenerator (11) is serially connected with in the outlet and the pipeline between second throttle part (12) import of high temperature side passage of condenser/evaporator (10), and the low temperature side passage of the 3rd regenerator (11) is serially connected with on the pipeline between the import of low temperature side passage of the outlet of evaporimeter (13) and second regenerator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205660147U CN201844611U (en) | 2010-10-19 | 2010-10-19 | Energy-saving deep refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205660147U CN201844611U (en) | 2010-10-19 | 2010-10-19 | Energy-saving deep refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844611U true CN201844611U (en) | 2011-05-25 |
Family
ID=44039499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205660147U Expired - Lifetime CN201844611U (en) | 2010-10-19 | 2010-10-19 | Energy-saving deep refrigeration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949611A (en) * | 2010-10-19 | 2011-01-19 | 河南科技大学 | Low-grade heat energy auxiliary-drive composite low-temperature refrigerating system |
| CN112303946A (en) * | 2020-11-10 | 2021-02-02 | 杭州壹诺节能科技有限公司 | Jet compression type refrigerating system for fishing boat |
| CN113550937A (en) * | 2021-07-14 | 2021-10-26 | 中国科学院力学研究所 | Device for eliminating cavitation in front of pump |
-
2010
- 2010-10-19 CN CN2010205660147U patent/CN201844611U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949611A (en) * | 2010-10-19 | 2011-01-19 | 河南科技大学 | Low-grade heat energy auxiliary-drive composite low-temperature refrigerating system |
| CN101949611B (en) * | 2010-10-19 | 2012-09-26 | 河南科技大学 | Low-grade heat energy auxiliary-drive composite low-temperature refrigerating system |
| CN112303946A (en) * | 2020-11-10 | 2021-02-02 | 杭州壹诺节能科技有限公司 | Jet compression type refrigerating system for fishing boat |
| CN113550937A (en) * | 2021-07-14 | 2021-10-26 | 中国科学院力学研究所 | Device for eliminating cavitation in front of pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949611B (en) | Low-grade heat energy auxiliary-drive composite low-temperature refrigerating system | |
| CN103148629B (en) | Gas-liquid phase ejector synergy refrigeration system for double temperature direct cooling-type refrigerator | |
| CN103629860B (en) | Trans-critical cycle CO 2cool and thermal power combined cycle system | |
| CN100498128C (en) | Low grade energy driven and mechanical power driven composite heat pump, refrigeration system | |
| CN105089726A (en) | Cooling, heating and power combined supply system based on double-pressure organic Rankine cycle | |
| CN104019579B (en) | Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector | |
| CN101603749A (en) | A kind of auto-cascade injection low-temperature refrigeration circulating device | |
| CN201666686U (en) | Throttling air supply system with ejectors | |
| CN1719157A (en) | Compression/injection mixed circulation refrigerating machine set | |
| CN113280522B (en) | Double-evaporation-temperature jet refrigerator and method based on mixed working medium | |
| CN101556095A (en) | Low-grade energy driving and mechanical work driving combined heat pump or refrigerating system | |
| CN103808101B (en) | A kind of two injection for two temperature refrigerator and the double back heat integration synergism refrigerating circulatory system | |
| CN201615649U (en) | Oil gas recycling device utilizing steam-ejection refrigeration | |
| CN204830556U (en) | Solar energy sprays overlapping cooling cycle system | |
| CN101871702B (en) | Double heat source high-efficiency absorption refrigerating plant | |
| CN201844611U (en) | Energy-saving deep refrigeration device | |
| CN102679618B (en) | Solar energy driven jetting type refrigerating system | |
| CN105066508A (en) | Efficient injection and absorption refrigerator for freezing and refrigeration | |
| CN100480599C (en) | Solar injection and speed-variable compression integrated refrigeration device | |
| CN102384604A (en) | Double-temperature-heat-source injection-type refrigeration system | |
| CN101776347A (en) | Absorption type refrigerating unit with pressure recovery part | |
| CN103175333B (en) | Central air-conditioning combined solar injection refrigerating system | |
| CN204963292U (en) | Many evaporating temperature steam -jet ejector formula refrigerating system of solar drive | |
| CN203672022U (en) | Double-injection and double-heat-regeneration combined synergistic refrigerating cycle system for dual-temperature refrigerator | |
| CN201434540Y (en) | Deep freezing ejection refrigeration cycle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110525 Effective date of abandoning: 20120926 |