CN204254927U - The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system - Google Patents

The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system Download PDF

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Publication number
CN204254927U
CN204254927U CN201420735867.7U CN201420735867U CN204254927U CN 204254927 U CN204254927 U CN 204254927U CN 201420735867 U CN201420735867 U CN 201420735867U CN 204254927 U CN204254927 U CN 204254927U
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CN
China
Prior art keywords
outlet
gas
injector
entrance
vortex tube
Prior art date
Application number
CN201420735867.7U
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Chinese (zh)
Inventor
宁静红
诸凯
刘圣春
郭宪民
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天津商业大学
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Priority to CN201420735867.7U priority Critical patent/CN204254927U/en
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Publication of CN204254927U publication Critical patent/CN204254927U/en

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Abstract

The utility model discloses the CO of a kind of eddy current separating liquid and injector injection 2two temp, refrigerating system, to improve CO 2two temp, refrigerating systems of the performance of refrigeration system.The outlet of compressor is connected with the entrance of gas cooler, outlet one tunnel of gas cooler is connected with the inlet connection of the minor air cell of vortex tube, another road is connected with the inlet connection of injector, injector discharge connection is connected with the two-phase fluid inlet connection of gas-liquid separator, the liquid outlet of gas-liquid separator by two choke valves be connected with the entrance of cryogenic vaporizer, the outlet of cryogenic vaporizer is connected with the entrance of check valve, the outlet of check valve is connected with taking over the injection of injector after the outlet parallel connection of first throttle valve, the gas vent of gas-liquid separator is connected with the inlet connection of compressor, the liquid outlet adapter of vortex tube is connected with the entrance of middle temperature evaporimeter, the discharge connection of middle temperature evaporimeter is connected with the entrance of first throttle valve with after the discharge connection parallel connection of cold section of vortex tube and hot arc.

Description

The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system

Technical field

The utility model relates to refrigeration technology field, particularly relates to a kind of CO utilizing eddy current separating liquid refrigeration to freeze with injector injection 2two temp, refrigerating system.

Background technology

The low-temperature receiver that in often needing in the refrigeration systems such as Food Freezing and Cold Storage, gentle low temperature is different.At present, two temp, refrigerating system mainly adopts single stage compress and the Two-stage Compression combo formula cooling cycle system of conventional refrigerant, system is not only complicated, and conventional refrigerant R22 etc. exists and damages the ozone layer and cause greenhouse effects, there are a series of security hidden troubles leaking and cause in the circulation of natural refrigerant ammonia refrigeration.CO 2there is good thermal performance, but CO 2the reducing pressure by regulating flow loss of Trans-critical cycle kind of refrigeration cycle is comparatively large, improves CO 2the performance of refrigeration system and the efficient CO of development of new 2cooling cycle system can realize energy saving standard.But at present there are no the CO utilizing vortex tube and injector to combine 2the embodiment of two temp, refrigerating system.

Utility model content

The purpose of this utility model is for existing CO 2the technological deficiency that Trans-critical cycle refrigeration system exists, provides one to utilize supercritical CO 2fluid vortex expansion step-down, isolated liquid refrigerating and injector injection refrigeration are to improve CO 2the CO of the performance of refrigeration system 2two temp, refrigerating system.

The technical scheme adopted for realizing the purpose of this utility model is:

The CO of a kind of eddy current separating liquid and injector injection 2two temp, refrigerating system, comprises gas cooler, middle temperature evaporimeter, compressor, first throttle valve, check valve, cryogenic vaporizer, second throttle, gas-liquid separator, injector and vortex tube, the outlet of described compressor is connected with the entrance of described gas cooler, the outlet of described gas cooler is divided into two-way, one tunnel is connected with the inlet connection of the minor air cell of described vortex tube, another road is connected with the inlet connection of the main fluid nozzle of described injector, the discharge connection of the diffusion room of described injector is connected with the two-phase fluid inlet connection of described gas-liquid separator, the liquid outlet of described gas-liquid separator is connected by the entrance of described second throttle with described cryogenic vaporizer, the outlet of described cryogenic vaporizer is connected with the entrance of described check valve, the outlet of described check valve is connected with taking over the injection of described injector after the outlet parallel connection of described first throttle valve, the gas vent of described gas-liquid separator is connected with the inlet connection of described compressor, the liquid outlet adapter of described vortex tube is connected with the entrance of described middle temperature evaporimeter, the discharge connection of the described discharge connection of middle temperature evaporimeter and cold section of described vortex tube, be connected with the entrance of described first throttle valve after the discharge connection parallel connection of described vortex tube hot arc.

The sidewall bottom of hot arc near minor air cell of described vortex tube is provided with saturated liquid outlet.

Compared with prior art, the beneficial effects of the utility model are:

1, CO of the present utility model 2the CO that two temp, refrigerating system utilizes supercritical region, gas cooler to export 2isolated liquid refrigerating after the step-down of gases at high pressure eddy expansion, and the liquid refrigerating that injector injection gas-liquid separator separates goes out, make full use of the feature that vortex tube and injector have expansion step-down, vortex tube energy separation, injector injection low-pressure fluid and diffusion, effectively can improve the performance of system.

2, CO of the present utility model 2adopt the vortex tube with separating liquid effect in two temp, refrigerating system and have the reducing pressure by regulating flow element in the injector replacement conventional refrigeration cycle of injection ejector action, structure is simple, movement-less part; light structure, cost is low, easy care; long service life, protection of the environment, economize energy.

Accompanying drawing explanation

Figure 1 shows that the CO of eddy current separating liquid of the present utility model and injector injection 2the schematic diagram of two temp, refrigerating system;

Figure 2 shows that the tube connector schematic diagram of vortex tube;

Figure 3 shows that the structural representation 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 CO of eddy current separating liquid of the present utility model and injector injection 2two temp, refrigerating system schematic diagram as shown in Figure 1-Figure 3, comprises gas cooler 1, middle temperature evaporimeter 2, compressor 3, first throttle valve 4, check valve 5, cryogenic vaporizer 6, second throttle 7, gas-liquid separator 8, injector 9 and vortex tube 10; the outlet of described compressor 3 is connected with the entrance of described gas cooler 1, the outlet of described gas cooler 1 is divided into two-way, one tunnel is connected with the inlet connection 14 of the minor air cell 16 of described vortex tube 10, another road is connected with the inlet connection 18 of the main fluid nozzle 23 of described injector 9, the discharge connection 20 of the diffusion room 22 of described injector 9 is connected with the two-phase fluid inlet connection of described gas-liquid separator 8, the liquid outlet of described gas-liquid separator 8 is connected by the entrance of described second throttle 7 with described cryogenic vaporizer 6, the outlet of described cryogenic vaporizer 6 is connected with the entrance of described check valve 5, the outlet of described check valve 5 is connected with the injection adapter 19 of described injector 9 with after the outlet parallel connection of described first throttle valve 4, the gas vent of described gas-liquid separator 8 is connected with the inlet connection of described compressor 3, the liquid outlet adapter 12 of described vortex tube 10 is connected with the entrance of described middle temperature evaporimeter 2, the discharge connection 13 of the described discharge connection of middle temperature evaporimeter 2 and cold section 17 of described vortex tube 10, be connected with the entrance of described first throttle valve 4 after discharge connection 11 parallel connection of described vortex tube 10 hot arc 15.

During system cloud gray model, from gas cooler 1 HTHP CO out 2the nozzle of tangential distribution is prolonged on gas one tunnel in the minor air cell 16 of vortex tube 10, and expansion step-down is gas-liquid two-phase fluid, and in minor air cell 16, High Rotation Speed flowing, isolates saturated liquid, cold air and hot gas.The cold air being in center is changed direction by the center baffle in hot arc 15 exit of vortex tube, towards cold section 17 flowing of vortex tube, the gas and vapor permeation that saturated cold air is exported by the hot gas that cold air outlet is discharged and hot arc 15 is discharged and middle temperature evaporimeter 2 enters first throttle valve 4.From gas cooler 1 HTHP CO out 2the main fluid nozzle 23 that another road of gas enters injector 9 sprays step-down, injection cryogenic vaporizer 6 exports and enters mixing chamber 21 with the mist of first throttle valve 4, gas-liquid separator 8 is entered after the diffusion of diffusion room 22, the isolated liquid of gas-liquid separator 8 enters cryogenic vaporizer 6 and absorbs heat after second throttle 7 reducing pressure by regulating flow, for the cold space of low temperature provides low-temperature receiver.The isolated saturated liquid of vortex tube 10 enters middle temperature evaporimeter 2 and absorbs heat, for the cold space of middle temperature provides low-temperature receiver.The isolated gas of gas-liquid separator 8 enter compressor 3 through overcompression laggard enter gas cooler 1.

CO of the present utility model 2the CO that two temp, refrigerating system utilizes supercritical region, gas cooler to export 2isolated liquid refrigerating after the step-down of gases at high pressure eddy expansion, and the liquid refrigerating that injector injection gas-liquid separator separates goes out, make full use of the feature that vortex tube and injector have expansion step-down, vortex tube energy separation, injector injection low-pressure fluid and diffusion, effectively can improve the performance of system.And structure is simple, and movement-less part, light structure, cost is low, easy care, long service life, protection of the environment, economize energy.

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. the CO of an eddy current separating liquid and injector injection 2two temp, refrigerating system, is characterized in that, comprises gas cooler, middle temperature evaporimeter, compressor, first throttle valve, check valve, cryogenic vaporizer, second throttle, gas-liquid separator, injector and vortex tube, the outlet of described compressor is connected with the entrance of described gas cooler, the outlet of described gas cooler is divided into two-way, one tunnel is connected with the inlet connection of the minor air cell of described vortex tube, another road is connected with the inlet connection of the main fluid nozzle of described injector, the discharge connection of the diffusion room of described injector is connected with the two-phase fluid inlet connection of described gas-liquid separator, the liquid outlet of described gas-liquid separator is connected by the entrance of described second throttle with described cryogenic vaporizer, the outlet of described cryogenic vaporizer is connected with the entrance of described check valve, the outlet of described check valve is connected with taking over the injection of described injector after the outlet parallel connection of described first throttle valve, the gas vent of described gas-liquid separator is connected with the inlet connection of described compressor, the liquid outlet adapter of described vortex tube is connected with the entrance of described middle temperature evaporimeter, the discharge connection of the described discharge connection of middle temperature evaporimeter and cold section of described vortex tube, be connected with the entrance of described first throttle valve after the discharge connection parallel connection of described vortex tube hot arc.
2. the CO of eddy current separating liquid according to claim 1 and injector injection 2two temp, refrigerating system, is characterized in that, the sidewall bottom of hot arc near minor air cell of described vortex tube is provided with saturated liquid outlet.
CN201420735867.7U 2014-11-28 2014-11-28 The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system CN204254927U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420735867.7U CN204254927U (en) 2014-11-28 2014-11-28 The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420735867.7U CN204254927U (en) 2014-11-28 2014-11-28 The CO of eddy current separating liquid and injector injection 2two temp, refrigerating system

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CN204254927U true CN204254927U (en) 2015-04-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359246A (en) * 2014-11-28 2015-02-18 天津商业大学 CO2 two-temperature refrigerating system adopting vortex liquid separation and ejector injection
CN105091401A (en) * 2015-07-31 2015-11-25 内蒙古科技大学 Jet absorption refrigerating device with copious cooling effect
CN108362026A (en) * 2018-04-19 2018-08-03 天津商业大学 A kind of carbon dioxide trans-critical cycle cool and thermal power combined system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359246A (en) * 2014-11-28 2015-02-18 天津商业大学 CO2 two-temperature refrigerating system adopting vortex liquid separation and ejector injection
CN104359246B (en) * 2014-11-28 2017-02-22 天津商业大学 CO2 two-temperature refrigerating system adopting vortex liquid separation and ejector injection
CN105091401A (en) * 2015-07-31 2015-11-25 内蒙古科技大学 Jet absorption refrigerating device with copious cooling effect
CN108362026A (en) * 2018-04-19 2018-08-03 天津商业大学 A kind of carbon dioxide trans-critical cycle cool and thermal power combined system

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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: 20150408

Termination date: 20151128