CN208222902U - A kind of carbon dioxide trans-critical cycle cool and thermal power combined system - Google Patents
A kind of carbon dioxide trans-critical cycle cool and thermal power combined system Download PDFInfo
- Publication number
- CN208222902U CN208222902U CN201820558432.8U CN201820558432U CN208222902U CN 208222902 U CN208222902 U CN 208222902U CN 201820558432 U CN201820558432 U CN 201820558432U CN 208222902 U CN208222902 U CN 208222902U
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- carbon dioxide
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Abstract
The utility model discloses a kind of carbon dioxide trans-critical cycle cool and thermal power combined system, its carbon dioxide compressor outlet is connect with the carbon dioxide gas entrance of gas cooler heat exchanger tube, the carbon dioxide gas outlet of gas cooler heat exchanger tube and the main fluid entrance of injector connect, the diffusion of injector brings out mouth and the 4th adapter tube of gas-liquid separator connects, first adapter tube of gas-liquid separator is connect with the entrance of carbon-dioxide gas compressor, second adapter tube of gas-liquid separator and the carbon dioxide heat transfer tube outlet of boiler are taken over and are connected, the carbon dioxide heat exchange tube inlet adapter tube of boiler is connect with the outlet at the hot gas diffusion end of vortex tube, the main fluid inlet connection of vortex tube and the third of gas-liquid separator are taken over and are connected, the cold fluid outlet of vortex tube and the entrance of evaporator connect, the outlet of evaporator and the injection entrance of injector connect.The utility model structure is simple, easy for installation, the operation is stable, effectively improves the efficiency of the circulatory system.
Description
Technical field
The utility model relates to a kind of refrigeration technology fields, more particularly to a kind of carbon dioxide trans-critical cycle cool and thermal power
Combined system.
Background technique
The rapid development of science and technology, causes environmental pollution and crisis of resource.Carbon dioxide has good thermodynamic property, dioxy
It is mutually indepedent to change pressure and temperature in the gas cooler of carbon trans critical cycle, carbon dioxide releasing heat can heat low boiling point
Working medium, the steam driving steam turbine power generation of generation.In addition, in carbon dioxide system reducing pressure by regulating flow element throttling process loss compared with
Greatly, the coefficient of performance of system is lower.
Utility model content
The purpose of this utility model is provided a kind of CO 2 cross-critical and follows for technological deficiency of the existing technology
Ring cool and thermal power combined system.
It is for technical solution used by realization the purpose of this utility model:
A kind of carbon dioxide trans-critical cycle cool and thermal power combined system, including gas cooler, circulating pump, boiler, hair
Motor, steam turbine, gas-liquid separator, vortex tube, evaporator, injector, carbon-dioxide gas compressor；The carbon-dioxide gas compressor
Outlet connect with the carbon dioxide gas entrance of gas cooler heat exchanger tube, the carbon dioxide gas of gas cooler heat exchanger tube
Outlet is connect with the main fluid entrance of injector, and the diffusion of injector brings out mouth and the 4th adapter tube of gas-liquid separator connects, gas
First adapter tube of liquid/gas separator is connect with the entrance of carbon-dioxide gas compressor, the second adapter tube and the two of boiler of gas-liquid separator
The adapter tube connection of carbonoxide heat transfer tube outlet, the hot gas diffusion end of carbon dioxide the heat exchange tube inlet adapter tube and vortex tube of boiler
Outlet connection, the third of the main fluid inlet connection of vortex tube and gas-liquid separator, which is taken over, to be connected, and the cold fluid of vortex tube goes out
Mouth is connect with the entrance of evaporator, and the outlet of evaporator and the injection entrance of injector connect；The outlet of the circulating pump and gas
The entrance of the power generation cycle working medium of body cooler connects, the outlet of the power generation cycle working medium of gas cooler and the entrance of steam turbine
It connects, the heat exchange tube inlet connection of the power generation cycle working medium in the outlet and boiler of steam turbine, the power generation cycle work of boiler
The outlet of matter heat exchanger tube and the entrance of circulating pump connect.
The water compensating valve of the boiler is connected by the water supplement port of water supply pipe and boiler, and heat supply water valve passes through heat supply water pipe
It is connect with the heat supply mouth of a river of boiler.
The main shaft of the generator and the main shaft of steam turbine are connected by the way that shaft coupling is concentric.
Compared with prior art, the utility model has the beneficial effects that
1. the carbon dioxide trans-critical cycle cool and thermal power combined system of the utility model replaces conventional throttling using injector
Voltage drop element, so that the carbon dioxide throttling process of gas cooler outlet supercritical region is reduced swollen close to isentropic expansion process
The loss of swollen process, and the performance of system can be improved.
2. the carbon dioxide liquid eddy expansion decompression that the utility model goes out gas-liquid separator separates using vortex tube, produces
Raw cold fluid absorption refrigeration in evaporator, the hot gas through diffuser diffusion enter boiler, heat water, while utilizing low
Boiling point Working medium gas waste heat of condensation hot water preparing.
3. the heat low boiling working fluid that carbon dioxide is released in gas cooler, low boiling working fluid gas band steam turbine
Power generation, the electric energy of generation can be used for driving carbon-dioxide gas compressor and circulating pump, lower systematic electricity consumption.
4. the system of the utility model, structure is simple, easy for installation, the operation is stable, effectively improves the efficiency of the circulatory system.
Protect environment, energy saving.
Detailed description of the invention
Fig. 1 show the carbon dioxide trans-critical cycle cool and thermal power combined system schematic diagram of the utility model；
Fig. 2 is the arrangement schematic diagram of four adapter tubes of gas-liquid separator.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-2, the carbon dioxide trans-critical cycle cool and thermal power combined system of the utility model, comprising:
Gas cooler 1, circulating pump 2, boiler 3, generator 4, steam turbine 5, gas-liquid separator 6, vortex tube 7, evaporation
Device 8, injector 9, carbon-dioxide gas compressor 10.
The carbon dioxide gas entrance of the heat exchanger tube of the outlet and gas cooler 1 of the carbon-dioxide gas compressor 10 connects
It connects, the carbon dioxide gas outlet of the heat exchanger tube of gas cooler 1 is connect with the main fluid entrance of injector 9, the expansion of injector 9
Pressure side outlet is connect with the 4th adapter tube 16 of gas-liquid separator 6, the first adapter tube 13 and carbon-dioxide gas compressor of gas-liquid separator 6
10 entrance connection, the second adapter tube 14 of gas-liquid separator 6 and the carbon dioxide heat transfer tube outlet of boiler 3 are taken over and are connected, heat
The carbon dioxide heat exchange tube inlet adapter tube of water tank 3 is connect with the outlet at the hot gas diffusion end of vortex tube 7, the mainstream of vortex tube 7
Body inlet connection is connect with the third adapter tube 15 of gas-liquid separator 6, and the cold fluid outlet of vortex tube 7 and the entrance of evaporator 8 connect
It connects, the outlet of evaporator 8 is connect with the injection entrance of injector 9.
The entrance of the power generation cycle working medium of the outlet and gas cooler 1 of the circulating pump 2 is connect, gas cooler 1
The outlet of power generation cycle working medium is connect with the entrance of steam turbine 5, the outlet of steam turbine 5 and the power generation cycle working medium in boiler 3
Heat exchange tube inlet connection, the outlet of the power generation cycle working medium heat exchanger tube of boiler 3 is connect with the entrance of circulating pump 2.
Wherein, the water compensating valve 11 of the boiler 3 is connect by water supply pipe with the water supplement port of boiler 3, heat supply water valve 12
It is connect by heat supply water pipe with the heat supply mouth of a river of boiler 3.
Wherein, the main shaft of the generator 4 is connect with the main shaft of steam turbine 5 by the way that shaft coupling is concentric.
In the utility model, carbon dioxide recycle is trans critical cycle, and power generation cycle working medium is low boiling working fluid.
When the system is operated, the high temperature and pressure carbon dioxide gas of the outlet discharge of carbon-dioxide gas compressor 10 enters gas
In the heat exchanger tube of cooler 1, carbon dioxide gas releases heat, the low boiling working fluid in heat gas cooler outside heat exchanger tube,
Low boiling working fluid gas band steam turbine 5 generates electricity, and the electric energy generated through generator 4 can be used for driving carbon-dioxide gas compressor and circulation
Pump.Gas cooler exit gas reduces the main fluid nozzle inlet pressure of injector, the titanium dioxide that injection evaporator 8 exports
The gas-liquid mixture fluid of carbon gas, the outlet of injector diffusion enters gas-liquid separator 6, the titanium dioxide isolated by the 4th adapter tube
Carbon liquid body takes over the volute chamber eddy expansion for entering vortex tube 7 by third, and the cold fluid that vortex tube 7 generates enters evaporator,
The absorption refrigeration in evaporator, provides cold source；Meanwhile the hot gas that the diffuser diffusion through vortex tube is formed enters boiler
In carbon dioxide heat exchanger tube, the outlet of carbon dioxide heat exchanger tube connects gas-liquid separator 6, low boiling working fluid by the second adapter tube 14
Gas condensation, waste heat hot water preparing provide heat source；First adapter tube 13 of gas-liquid separator is entered by carbon-dioxide gas compressor 10
Internal low-temp low-pressure carbon dioxide is discharged into carbon-dioxide gas compressor by mouth, realizes carbon dioxide trans-critical cycle.
The utility model replaces traditional expansion throttling device using two-phase injector, not only can be swollen by generating constant entropy
Swollen process reduces the loss of expansion process, and can be improved the performance of system.Meanwhile being depressured using eddy expansion, reduce system
System irreversible loss, the cold air heat absorption isolated provides cold source, the hot gas isolated and the condensation of low boiling working fluid gas, remaining
Hot hot water preparing, can effectively improve system performance.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of carbon dioxide trans-critical cycle cool and thermal power combined system, which is characterized in that including gas cooler, circulating pump,
Boiler, generator, steam turbine, gas-liquid separator, vortex tube, evaporator, injector, carbon-dioxide gas compressor；The dioxy
The outlet for changing carbon compressor is connect with the carbon dioxide gas entrance of gas cooler heat exchanger tube, and the two of gas cooler heat exchanger tube
Carbon oxide gas outlet is connect with the main fluid entrance of injector, and the diffusion of injector brings out mouth and the 4th of gas-liquid separator the and connects
Pipe connection, gas-liquid separator first adapter tube connect with the entrance of carbon-dioxide gas compressor, gas-liquid separator second take over and
The carbon dioxide heat transfer tube outlet of boiler takes over connection, the heat of carbon dioxide the heat exchange tube inlet adapter tube and vortex tube of boiler
The outlet at gas diffusion end connects, and the main fluid inlet connection of vortex tube and the third of gas-liquid separator are taken over and connected, vortex tube
Cold fluid outlet and the entrance of evaporator connect, the injection entrance of the outlet of evaporator and injector connects；The circulating pump
Outlet and the entrance of power generation cycle working medium of gas cooler connect, the outlet of the power generation cycle working medium of gas cooler and vapour
The entrance of turbine connects, the heat exchange tube inlet connection of the power generation cycle working medium in the outlet and boiler of steam turbine, boiler
The outlet of power generation cycle working medium heat exchanger tube and the entrance of circulating pump connect.
2. carbon dioxide trans-critical cycle cool and thermal power combined system as described in claim 1, which is characterized in that the boiler
Water compensating valve is connected by the water supplement port of water supply pipe and boiler, and heat supply water valve is connected by the heat supply mouth of a river of heat supply water pipe and boiler
It connects.
3. carbon dioxide trans-critical cycle cool and thermal power combined system as described in claim 1, which is characterized in that the generator
The main shaft of main shaft and steam turbine is connected by the way that shaft coupling is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558432.8U CN208222902U (en) | 2018-04-19 | 2018-04-19 | A kind of carbon dioxide trans-critical cycle cool and thermal power combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558432.8U CN208222902U (en) | 2018-04-19 | 2018-04-19 | A kind of carbon dioxide trans-critical cycle cool and thermal power combined system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222902U true CN208222902U (en) | 2018-12-11 |
Family
ID=64529811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820558432.8U Withdrawn - After Issue CN208222902U (en) | 2018-04-19 | 2018-04-19 | A kind of carbon dioxide trans-critical cycle cool and thermal power combined system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208222902U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112923595A (en) * | 2021-01-28 | 2021-06-08 | 西安交通大学 | Self-condensation type compressed carbon dioxide energy storage system and method based on vortex tube |
| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
-
2018
- 2018-04-19 CN CN201820558432.8U patent/CN208222902U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112923595A (en) * | 2021-01-28 | 2021-06-08 | 西安交通大学 | Self-condensation type compressed carbon dioxide energy storage system and method based on vortex tube |
| CN112923595B (en) * | 2021-01-28 | 2021-11-19 | 西安交通大学 | Self-condensation type compressed carbon dioxide energy storage system and method based on vortex tube |
| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181211 Effective date of abandoning: 20191122 |
|
| AV01 | Patent right actively abandoned |