CN105225599B - A kind of comprehensive experiment table of solar energy jetting and carbon dioxide cascade refrigeration - Google Patents
A kind of comprehensive experiment table of solar energy jetting and carbon dioxide cascade refrigeration Download PDFInfo
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- CN105225599B CN105225599B CN201510700784.3A CN201510700784A CN105225599B CN 105225599 B CN105225599 B CN 105225599B CN 201510700784 A CN201510700784 A CN 201510700784A CN 105225599 B CN105225599 B CN 105225599B
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Abstract
The invention discloses a kind of carbon dioxide cascade refrigeration comprehensive experiment tables of solar energy jetting.The present invention wherein solar thermal collection system includes solar thermal collector and generator；Solar energy jetting system includes working medium pump, injector, condenser, solenoid valve one, throttle valve one and evaporative condenser；Single stage carbon dioxide compressibility includes evaporative condenser, flowmeter one, carbon dioxide gas-liquid separator, carbon-dioxide gas compressor, carbon dioxide oil eliminator, valve, carbon dioxide drying filter, solenoid valve, throttle valve two, refrigerant shut-off valve one, refrigerant shut-off valve two, single entry air conditioner, electric heater, carbon dioxide finned tube exchanger, carbon dioxide shell-and-tube heat exchanger, flowmeter two, water pump and attemperater.The present invention realizes analog solar injection and carbon dioxide single stage compress folding type cooling system and solar energy jetting and carbon dioxide single stage compress superposition type cold water preparation system by controlling the on off state of refrigerant shut-off valve one, two.
Description
Technical field
The present invention relates to the comprehensive of a kind of refrigeration system more particularly to a kind of solar energy jetting and carbon dioxide cascade refrigeration
Close experimental bench.
Background technology
Solar energy is a kind of inexhaustible, nexhaustible and ultra-clean regenerative resource without polluting, and is especially existed
In the case of current oil higher price, global warming aggravation, the development and utilization of solar energy is increasingly learned by countries in the world
The favor of person.Photoelectricity is contemporary world solar energy development in science and technology with photo-thermal, solar energy and the building heat and cold sources that are combined as of building
Two big basic trends.However Solar use conversion ratio is only 10%--12% at present, so the utilization of solar energy is often all
It is to carry out comprehensive utilization with reference to other systems, it is excellent significantly to improve the utilization rate of solar energy system and economy etc.
Point.
In the refrigeration system of Driven by Solar Energy, the spray type refrigerating of Driven by Solar Energy can alleviate energy shortage and solve ring
Border problem, and it is simple in structure, easy for installation, maintenance cost is low, job stability is reliable, have vast potential for future development.And
And the scholar of countries in the world has also made this large amount of research work.
Chinese Universities ' under overall situation is also engaged in this research with public organization in positive.But at present, colleges and universities make
Critical-cross carbon dioxide experimental system is all mostly simple refrigeration system, and function is relatively simple, the utilization rate of equipment
It is relatively low, virtually just causing the huge wasting of resources；Experimental bench disperse simultaneously, that function is single can occupy larger reality
Test room area；Each colleges and universities are badly in need of integrating the single heat pump system of function, to reduce floor space, improve the utilization of equipment
Rate reduces waste of the school in terms of experiment, promotes the comprehensive utilization ratio of school experiment equipment.
Invention content
The present invention is the integration behavior that the experimental bench single to the function of each colleges and universities is done under big world environments,
A kind of carbon dioxide cascade refrigeration comprehensive experiment table of solar energy jetting is made, to analog solar injection and two
Carbonoxide single stage compress folding type cooling system and solar energy jetting and carbon dioxide single stage compress superposition type cold water preparation system.
In order to solve the above-mentioned technical problem, a kind of solar energy jetting of the present invention and the synthesis of carbon dioxide cascade refrigeration are real
Testing the technical solution that platform is achieved is：
It is made of solar thermal collection system, solar energy jetting system and single stage carbon dioxide compressibility；
The solar thermal collection system is made of solar thermal collector 1 and generator 2, and the solar thermal collector 1 exports
1. it is 1. connect with 2 solar thermal collection system side entrance of generator；The 2 solar thermal collection system side outlet of generator 2. with the sun
2. energy 1 entrance of heat collector connects；The solar energy jetting system is by working medium pump 3, injector 4, condenser 5, solenoid valve 1, section
Stream valve 1 and evaporative condenser 8 form；Solar energy jetting system side one end of the generator 2 4. with 4 working medium high pressure of injector
1. entrance connects, 2. the injector 4 exports to be connect with 5 entrance of condenser, the outlet of condenser 5 and one 6 entrance of solenoid valve
Connection, the outlet of solenoid valve 1 are connect with 3 entrance of working medium pump and one 7 entrance of throttle valve, the outlet of working medium pump 3 and generation
3. the solar energy jetting system side other end of device 2 connects, the residing outlet of throttle valve 1 and the solar energy jetting of evaporative condenser 8
1. system side one end connects, 2. the solar energy jetting system side other end outlet of the evaporative condenser 8 enters with 4 low pressure of injector
3. mouth connects, complete cycle；
The single stage carbon dioxide compressibility by evaporative condenser 8, flowmeter 1, carbon dioxide gas-liquid separator 10,
Carbon-dioxide gas compressor 11, carbon dioxide oil eliminator 12, valve 13, carbon dioxide drying filter 14, solenoid valve 15, throttling
Valve 2 16, refrigerant shut-off valve 1, refrigerant shut-off valve 2 18, single entry air conditioner 19, electric heater 20, carbon dioxide finned tube change
Hot device 21, carbon dioxide shell-and-tube heat exchanger 22, flowmeter 2 23, water pump 24 and attemperater 25 form, the single-stage dioxy
Change import of 8 one end of evaporative condenser of carbon pressure compression system side 4. with flowmeter 1 to be connected；The outlet of the flowmeter 1
Connect the import of carbon dioxide drying filter 14；The outlet of carbon dioxide drying filter 14 connects the import of solenoid valve 15；Electromagnetism
The outlet of valve 15 connects the import of throttle valve 2 16；Ended respectively by refrigerant shut-off valve 1 and refrigerant the outlet of throttle valve 2 16
1. the import of the shell-and-tube heat exchanger 22 right with titanium dioxide with carbon dioxide finned tube exchanger 21 of valve 2 18 is connected；The dioxy
The outlet for changing carbon finned tube exchanger 21 is connected with the import of carbon dioxide gas-liquid separator 10；The carbon dioxide gas-liquid point
1. outlet from device 10 connects the air inlet of carbon-dioxide gas compressor 11；3. the exhaust outlet of the carbon-dioxide gas compressor 11 connects dioxy
Change the air inlet of carbon oil separator 12 3.；1. the exhaust outlet of the carbon dioxide oil eliminator 12 connects 8 titanium dioxide of evaporative condenser
3., 2. the oil outlet of carbon dioxide oil eliminator 12 connects carbon-dioxide gas compressor 11 to the air inlet of carbon medium side by valve 13
2. oil return opening, completes the single stage compress carbon dioxide refrigeration circulatory system；The refrigerant of the carbon dioxide shell-and-tube heat exchanger 22 goes out
1. mouth connects the air inlet of carbon dioxide gas-liquid separator 10, complete single stage carbon dioxide cold water and produce the circulatory system.The dioxy
Change 4. import that 22 water side outlet of carbon shell-and-tube heat exchanger connects flowmeter 2 23；The outlet of the flowmeter 2 23 connects attemperater
25 import；The import of the outlet water pump 24 of the attemperater 25；The outlet of the water pump 24 connects carbon dioxide shell-and-tube
3. the import of 22 water side of heat exchanger, completes the water system that single stage carbon dioxide cold water produces cycle.
It is according to experiment purpose different, by solar thermal collection system and solar energy jetting system, and adjust single entry air-conditioning
Machine 19 and electric heater 20, joint carbon dioxide finned tube exchanger 21 come analog solar injection and carbon dioxide single stage compress
Folding type cooling system；By solar thermal collection system and solar energy jetting system, and water pump 24 is adjusted, combine carbon dioxide pipe
Shell heat exchanger 22 comes analog solar injection and carbon dioxide single stage compress superposition type cold water preparation system.
On the other hand, the comprehensive experiment table of a kind of solar energy jetting of the present invention and carbon dioxide cascade refrigeration institute on
It states, can be switched between solar energy jetting and carbon dioxide single stage compress cascade refrigeration and cold water are produced；
1) solar energy jetting and carbon dioxide single stage compress folding type cooling system：Refrigerant shut-off valve 2 18 is closed, is opened
Refrigerant shut-off valve 1 is shown in attached drawing 2；
2) solar energy jetting and carbon dioxide single stage compress superposition type cold water preparation system：Refrigerant shut-off valve 1 is closed,
Refrigerant shut-off valve 2 18 is opened, sees attached drawing 3：
In the different system, the different of the basis for selecting experiment purpose of valve 13 carry out differentiated selection, valve
13 be turned on and off according to 11 lubricating oil of carbon-dioxide gas compressor number operated.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention overcomes disadvantages mentioned above, and the present invention has solar thermal collection system, solar energy jetting system, single-stage titanium dioxide
Carbon compressor assembly and an independent water system composition, can realize solar energy jetting and carbon dioxide single stage compress overlapping shape
The refrigeration and cold water of formula produce experiment.
Description of the drawings
Fig. 1 is the comprehensive experiment table schematic diagram of a kind of solar energy jetting of the present invention and carbon dioxide cascade refrigeration；
Fig. 2 is the systematic schematic diagram for realizing solar energy jetting and carbon dioxide single stage compress cascade refrigeration；
Fig. 3 is to realize the systematic schematic diagram that solar energy jetting is produced with carbon dioxide single stage compress superposition type cold water.
Specific embodiment
The present invention is described in further detail With reference to embodiment.
As shown in Figure 1, the present invention is the comprehensive experiment table of a kind of solar energy jetting and carbon dioxide cascade refrigeration, the sun
It can heat collector 1, generator 2, working medium pump 3, injector 4, condenser 5, solenoid valve 1, throttle valve 1, evaporative condenser 8, stream
Gauge 1, carbon dioxide gas-liquid separator 10, carbon-dioxide gas compressor 11, carbon dioxide oil eliminator 12, valve 13, dioxy
Change carbon device for drying and filtering 14, solenoid valve 15, throttle valve 2 16, refrigerant shut-off valve 1, refrigerant shut-off valve 2 18, single entry air conditioner
19th, electric heater 20, carbon dioxide finned tube exchanger 21, carbon dioxide shell-and-tube heat exchanger 22, flowmeter 2 23, water pump 24
With attemperater 25.The generator 2 includes 2 imports and 2 outlets；The injector 4 includes 2 imports and 1 outlet；
The evaporative condenser 8 includes 2 imports and 2 outlets；The carbon-dioxide gas compressor 11 includes 2 imports and 1 outlet；
The carbon dioxide oil eliminator 12 includes 2 outlets and 1 import；The attemperater 25 includes 2 imports and 2 go out
Mouthful.
According to the difference of experiment purpose, by the unlatching and the pass that control refrigerant shut-off valve 1 and refrigerant shut-off valve 2 18
It closes, and adjusts single entry air conditioner 19 and electric heater 20 to realize the test purpose of different system.
The synthesis using a kind of above-mentioned solar energy jetting with carbon dioxide cascade refrigeration is described in detail below in conjunction with attached drawing
Experimental bench is realized and is switched between following systems, to simulate different experiments.
Solar energy jetting and carbon dioxide single stage compress folding type cooling system：As shown in Fig. 2, close refrigerant shut-off valve two
18, open refrigerant shut-off valve 1；
1. 1. the sender property outlet of the solar thermal collector 1 connects No. 1 import of generator 2；No. 1 of the generator 2 goes out
2. 2. mouth connects the import of solar thermal collector 1；The outlet of the condenser 5 connects the import of solenoid valve 6；The solenoid valve 1
Outlet is divided into two-way, connects No. 2 imports of generator 2 3. by working medium pump 3 all the way, 4. No. 2 outlets of generator 2 connect injector 4
No. 1 import 1., 2. the outlet of injector 4 connects the import of condenser 5；The another way of the solenoid valve 1 connects throttle valve 1
1. import, the outlet of throttle valve 1 connect No. 1 import of evaporative condenser 8,2. No. 1 outlet of evaporative condenser 8 connects injector 4
No. 2 imports 3.；No. 2 of the evaporative condenser 8 export the import for 4. connecing flowmeter 1；The flowmeter 1 connects titanium dioxide
The import of carbon drier 14；The outlet of the carbon dioxide dryer 14 connects the import of solenoid valve 2 15；The solenoid valve 2 15
Outlet connect the import of throttle valve 2 16；The outlet of the throttle valve 2 16 connects refrigerant shut-off valve 1；The refrigerant shut-off valve
One 17 outlet connects the import of carbon dioxide finned tube exchanger 21；The outlet of the carbon dioxide finned tube exchanger 21 connects two
The import of carbonoxide gas-liquid separator 10；The outlet of the carbon dioxide shell-and-tube heat exchanger 22 connects carbon dioxide gas-liquid separator
10 import；1. the outlet of the carbon dioxide gas-liquid separator 10 connects No. 1 import of carbon-dioxide gas compressor 11；The dioxy
3. 3. the outlet for changing carbon compressor 11 connects 12 import of carbon dioxide oil eliminator；No. 1 of the carbon dioxide oil eliminator 12 goes out
1. 3. mouth connects No. 2 imports of evaporative condenser 8, No. 2 outlets 2. by No. 2 imports of valve 13 and carbon-dioxide gas compressor 11 2.
It is connected；
The selection and keying of the valve 13 are determined on a case-by-case basis.
Solar energy jetting and carbon dioxide single stage compress superposition type cold water preparation system：As shown in figure 3, close refrigerant cut-off
Valve 1 opens refrigerant shut-off valve 2 18：
Coolant system：1. 1. the sender property outlet of the solar thermal collector 1 connects No. 1 import of generator 2；The generator
2. 2. 2 No. 1 outlet connects the import of solar thermal collector 1；The outlet of the condenser 5 connects the import of solenoid valve 6；The electromagnetism
The outlet of valve 1 is divided into two-way, connects No. 2 imports of generator 2 3. by working medium pump 3 all the way, 4. No. 2 outlets of generator 2 connect
1., 2. the outlet of injector 4 connects the import of condenser 5 for No. 1 import of injector 4；The another way of the solenoid valve 1 connects throttling
1. the import of valve 1, the outlet of throttle valve 1 connect No. 1 import of evaporative condenser 8,2. No. 1 outlet of evaporative condenser 8 connects
No. 2 imports of injector 4 are 3.；No. 2 of the evaporative condenser 8 export the import for 4. connecing flowmeter 1；The flowmeter 1
Connect the import of carbon dioxide dryer 14；The outlet of the carbon dioxide dryer 14 connects the import of solenoid valve 2 15；The electricity
The outlet of magnet valve 2 15 connects the import of throttle valve 2 16；The outlet of the throttle valve 2 16 connects refrigerant shut-off valve 2 18；It is described cold
1. the outlet of matchmaker's shut-off valve 2 18 connects the import of carbon dioxide shell-and-tube heat exchanger 22；The carbon dioxide shell-and-tube heat exchanger 22
Outlet 2. connect the import of carbon dioxide gas-liquid separator 10；The outlet of the carbon dioxide gas-liquid separator 10 connects carbon dioxide
No. 1 import of compressor 11 is 1.；3. 3. the outlet of the carbon-dioxide gas compressor 11 connects 12 import of carbon dioxide oil eliminator；Institute
State No. 1 of carbon dioxide oil eliminator 12 and export and 1. connect No. 2 imports of evaporative condenser 8 3., No. 2 outlets 2. by valve 13 with
2. No. 2 imports of carbon-dioxide gas compressor 11 are connected；
Water system：The import of the outlet water pump 24 of the attemperater 25；The outlet of the water pump 24 connects carbon dioxide
The water inlet of 22 shell-side cooling water of shell-and-tube heat exchanger is 3.；The outlet of the 22 shell-side cooling water of carbon dioxide shell-and-tube heat exchanger
4. connect the import of flowmeter 2 23；The flowmeter 2 23 is connected with the import of attemperater 25.
The selection and keying of the valve 13 are determined on a case-by-case basis.
Although above in conjunction with figure, invention has been described, and the invention is not limited in above-mentioned specific embodiment parties
Formula, above-mentioned specific embodiment is only schematical rather than restricted, and those of ordinary skill in the art are in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to the guarantor of the present invention
Within shield.
Claims (1)
1. the carbon dioxide cascade refrigeration comprehensive experiment table of a kind of solar energy jetting, which is characterized in that by solar energy heating system
System, solar energy jetting system and single stage carbon dioxide compressibility composition；
The solar thermal collection system is made of solar thermal collector (1) and generator (2), the solar thermal collector (1)
Outlet is connect with generator (2) solar thermal collection system side entrance；The outlet of generator (2) the solar thermal collection system side with
Solar thermal collector (1) entrance connects；
The solar energy jetting system is by working medium pump (3), injector (4), condenser (5), solenoid valve one (6), throttle valve one (7)
It is formed with evaporative condenser (8)；Solar energy jetting system side one end of the generator (2) is pressed into injector (4) working medium height
Mouth connection, the outlet of the injector (4) are connect with condenser (5) entrance, condenser (5) outlet and solenoid valve one (6)
Entrance connects, and solenoid valve one (6) outlet is connect with working medium pump (3) entrance and throttle valve one (7) entrance, the working medium pump
(3) outlet is connect with the solar energy jetting system side other end of generator (2), throttle valve one (7) outlet and evaporative condenser
Solar energy jetting system side one end connection of device (8), the solar energy jetting system side other end outlet of the evaporative condenser (8)
It is connect with injector (4) low-pressure inlet, completes cycle；
The single stage carbon dioxide compressibility is by evaporative condenser (8), flowmeter one (9), carbon dioxide gas-liquid separator
(10), carbon-dioxide gas compressor (11), carbon dioxide oil eliminator (12), valve (13), carbon dioxide drying filter (14),
Solenoid valve (15), throttle valve two (16), refrigerant shut-off valve one (17), refrigerant shut-off valve two (18), single entry air conditioner (19), electricity add
Hot device (20), carbon dioxide finned tube exchanger (21), carbon dioxide shell-and-tube heat exchanger (22), flowmeter two (23), water pump
(24) it is formed with attemperater (25), evaporative condenser (8) one end of the single stage carbon dioxide compressibility side and flowmeter
The import of one (9) is connected；The outlet of the flowmeter one (9) connects the import of carbon dioxide drying filter (14)；Titanium dioxide
The outlet of carbon device for drying and filtering (14) connects the import of solenoid valve (15)；The outlet of solenoid valve (15) connect throttle valve two (16) into
Mouthful；The outlet of throttle valve two (16) is connected by the import of refrigerant shut-off valve one (17) and carbon dioxide finned tube exchanger (21)
It connects, the outlet of throttle valve two (16) is connected by the import of refrigerant shut-off valve two (18) and the right shell-and-tube heat exchanger of titanium dioxide (22)
It connects；The outlet of the carbon dioxide finned tube exchanger (21) is connected with the import of carbon dioxide gas-liquid separator (10)；Institute
The outlet for stating carbon dioxide gas-liquid separator (10) connects the air inlet of carbon-dioxide gas compressor (11)；The carbon-dioxide gas compressor
(11) exhaust outlet connects the air inlet of carbon dioxide oil eliminator (12)；The exhaust outlet of the carbon dioxide oil eliminator (12) connects
The air inlet of evaporative condenser (8) carbon dioxide refrigerant side, the oil outlet of carbon dioxide oil eliminator (12) pass through valve (13)
The oil return opening of carbon-dioxide gas compressor (11) is connect, completes the single stage compress carbon dioxide refrigeration circulatory system；The carbon dioxide pipe
The refrigerant exit of shell heat exchanger (22) connects the air inlet of carbon dioxide gas-liquid separator (10), completes single stage carbon dioxide cold water
Produce the circulatory system；Carbon dioxide shell-and-tube heat exchanger (22) the water side outlet connects the import of flowmeter two (23)；The stream
The outlet of gauge two (23) connects the import of attemperater (25)；The import of the outlet water pump (24) of the attemperater (25)；
The outlet of the water pump (24) connects the import of carbon dioxide shell-and-tube heat exchanger (22) water side, completes single stage carbon dioxide cold water system
Take the water system of cycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510700784.3A CN105225599B (en) | 2015-10-26 | 2015-10-26 | A kind of comprehensive experiment table of solar energy jetting and carbon dioxide cascade refrigeration |
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| CN201510700784.3A CN105225599B (en) | 2015-10-26 | 2015-10-26 | A kind of comprehensive experiment table of solar energy jetting and carbon dioxide cascade refrigeration |
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| CN105225599A CN105225599A (en) | 2016-01-06 |
| CN105225599B true CN105225599B (en) | 2018-06-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030031393A (en) * | 2001-10-13 | 2003-04-21 | 주식회사 케이티이엔지 | Stop valve, sold valve, 4way valve controls type heat pump system |
| CN102635980A (en) * | 2012-05-07 | 2012-08-15 | 上海理工大学 | Solar photovoltaic heat pump system |
| CN204648741U (en) * | 2015-05-06 | 2015-09-16 | 天津大学 | Solar energy jetting sprays with photovoltaic steam and compresses associating heat pump |
| CN205177273U (en) * | 2015-10-26 | 2016-04-20 | 天津商业大学 | Carbon dioxide overlapping formula refrigeration comprehensive experiment platform that solar energy sprays |
-
2015
- 2015-10-26 CN CN201510700784.3A patent/CN105225599B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030031393A (en) * | 2001-10-13 | 2003-04-21 | 주식회사 케이티이엔지 | Stop valve, sold valve, 4way valve controls type heat pump system |
| CN102635980A (en) * | 2012-05-07 | 2012-08-15 | 上海理工大学 | Solar photovoltaic heat pump system |
| CN204648741U (en) * | 2015-05-06 | 2015-09-16 | 天津大学 | Solar energy jetting sprays with photovoltaic steam and compresses associating heat pump |
| CN205177273U (en) * | 2015-10-26 | 2016-04-20 | 天津商业大学 | Carbon dioxide overlapping formula refrigeration comprehensive experiment platform that solar energy sprays |
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| CN105225599A (en) | 2016-01-06 |
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