CN209053648U - A kind of S-CO2Energy source and power converting system - Google Patents
A kind of S-CO2Energy source and power converting system Download PDFInfo
- Publication number
- CN209053648U CN209053648U CN201821526713.1U CN201821526713U CN209053648U CN 209053648 U CN209053648 U CN 209053648U CN 201821526713 U CN201821526713 U CN 201821526713U CN 209053648 U CN209053648 U CN 209053648U
- Authority
- CN
- China
- Prior art keywords
- heater
- temperature
- knockout drum
- connect
- low
- 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 - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
A kind of S-CO provided by the utility model2Energy source and power converting system, including heater, heat-exchange system, knockout drum, main compressor, external equipment, speed changer and main expanding machine, wherein, the first outlet opened up on knockout drum is successively connect with the entrance of main compressor, heat-exchange system, heater and main expanding machine, main expanding machine energy source output terminal connects external equipment, meanwhile the outlet of main expanding machine is connect by a series of backheats with knockout drum；For power conversion system provided by the utility model only with first compression and expansion, the simple occupied area of system structure is small, and its power high conversion efficiency.
Description
Technical field
The utility model belongs to field of energy source power, and in particular to a kind of S-CO2Energy source and power converting system.
Background technique
When supercritical fluid refers in a supercritical state, gas-liquid interface disappears, and system property is uniform, neither gas
It is not liquid, is in fluid state, therefore referred to as supercritical fluid.S-CO2The fluid for being gaseous state and liquid and depositing, density is close to liquid
Body, for viscosity close to gas, diffusion coefficient is about 100 times of liquid.S-CO2The operating temperature of Brayton cycle is in critical-temperature
On, with preferable transitivity and the ability fast moved, high density can allow the pressure of fluid very high, supercritical steam cycle benefit
Use CO2In critical neighbouring physical property, reduce work done during compression, improves effectiveness of regenerator.And supercritical CO2Critical condition be easy to reach, change
Property torpescence is learned, colorless and odorless is nontoxic, safety, and cheap, purity is high easily obtains, therefore S-CO2It is considered ideal
One of power cycle working medium.
Existing S-CO2Power conversion system in, using multiple compression and expansion, system structure is complicated, takes up an area face
Product is big.
Summary of the invention
The purpose of this utility model is to provide a kind of S-CO2Energy source and power converting system solves existing S-CO2It is dynamic
The defect that power conversion system structure is complicated, takes up a large area.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of S-CO provided by the utility model2Energy source and power converting system, including heater, heat-exchange system, separation
Tank, main compressor, external equipment, speed changer and main expanding machine, wherein the first outlet opened up on knockout drum successively with main compression
Machine, heat-exchange system, heater are connected with the entrance of main expanding machine, and main expanding machine energy source output terminal connects external equipment, meanwhile,
The outlet of main expanding machine is connect with knockout drum.
Preferably, heat-exchange system includes high temperature regenerator and cryogenic regenerator, wherein outlet on main compressor with it is low
The first entrance of warm regenerator connects, and the first entrance of cryogenic regenerator and heater connects, the first outlet and height of heater
Warm regenerator connection, high temperature regenerator pass through heater again and connect with main expanding machine.
Preferably, heater S-CO2Heating boiler, the S-CO2Heating boiler is successively set from the bottom of inner cavity to top
It is equipped with high temperature heater (HTH) and low-temperature heater, wherein the entrance of low-temperature heater and the outlet of heat-exchange system connect, and low temperature adds
The outlet of hot device and the entrance of heat-exchange system connect, and heat-exchange system passes through high temperature heater (HTH) again and connect with main expanding machine.
Preferably, the outlet of main expanding machine passes sequentially through heat-exchange system, low temperature recover is connect with knockout drum.
Preferably, knockout drum is also connected with low-temperature liquid storage tank, and refrigeration compressor, the system are provided in the connecting pipe
Cold compressor is driven by refrigeration compressor motor.
Preferably, the outlet of low-temperature liquid storage tank is connected with low temperature recover and evaporator in turn, wherein the outlet of evaporator
It is connect with knockout drum, meanwhile, CO is provided in the connecting pipe of low-temperature liquid storage tank and low temperature recover2Liquid pump, the CO2
Liquid pump is driven by liquid pump motor；The upper end of the evaporator installation heater.
Preferably, Liquid level adjusting valve is provided between knockout drum and low-temperature liquid storage tank.
Preferably, it is provided with thermostat valve between knockout drum and low-temperature liquid storage tank, and is placed in CO2The downstream of liquid pump.
Compared with prior art, the utility model has the beneficial effects that
A kind of S-CO provided by the utility model2Energy source and power converting system, the utility model are will to be stored in knockout drum
In S-CO2It enters acquisition energy in main compressor and makes S-CO2After pressure and temperature increases, heat exchange series are entered later
It is tentatively heated in system, enters in heater carry out reheating later, enter finally into and do work in main expanding machine, exported
The energy power output is realized by external equipment；Power conversion system provided by the utility model only with first compression and
Expansion, the simple occupied area of system structure is small, and its power high conversion efficiency.
Further, evaporator is arranged in S-CO2The upper end of heating boiler passes through low-temperature liquid storage tank and low temperature recover
By S-CO2The high-temperature gas of heating boiler upper end exchanges heat, to control S-CO2The exhaust temperature of heating boiler, reaches
Emission request.
Further, refrigeration compressor is set, BOG gas can be handled in time, and ensure liquid in low-temperature liquid storage tank
Pressure and temperature, meanwhile, carbon dioxide gas is drawn off in system overhaul or parking, reduces the wave of carbon dioxide gas to the greatest extent
Take.
Further, the discharge heat of main expanding machine high temperature regenerator, cryogenic regenerator and low temperature is passed sequentially through to recycle
Device carries out heat collection, while cooling down to carbon dioxide gas, it is made to meet the temperature requirement for entering knockout drum；Subtract simultaneously
The loss of few energy.
Detailed description of the invention
Fig. 1 be the utility model relates to power system architecture schematic diagram；
Wherein, 1, CO2Evaporator 2, S-CO2Heating boiler 3, low-temperature heater 4, high temperature heater (HTH) 5, high temperature backheat
Device 6, cryogenic regenerator 7, low temperature recover 8, liquid pump motor 9, CO2Liquid pump 10, low-temperature liquid storage tank 11, refrigeration pressure
Contracting machine 12, refrigeration compressor motor 13, knockout drum 14, main compressor 15, external equipment 16, speed changer 17, main expansion
Machine.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of S-CO provided by the utility model2Energy source and power converting system, including CO2Evaporator 1, S-
CO2Heating boiler 2, low-temperature heater 3, high temperature heater (HTH) 4, high temperature regenerator 5, cryogenic regenerator 6, low temperature recover 7, liquid
Pump motor 8, CO2Liquid pump 9, low-temperature liquid storage tank 10, refrigeration compressor 11, refrigeration compressor motor 12, knockout drum 13, main compression
Machine 14, external equipment 15, speed changer 16 and main expanding machine 17, wherein
High temperature heater (HTH) 4 is mounted on S-CO2The lower end of heating boiler 2, low-temperature heater 3 are mounted in S-CO2Heating boiler
2 middle part, CO2Evaporator 1 is mounted on S-CO2The upper end of heating boiler 2.
S-CO in knockout drum 132It is entered in main compressor 14 from the first outlet opened up on knockout drum 13, in main pressure
Contracting machine 14 obtains energy and makes S-CO2After pressure and temperature increases, sequentially enters from the outlet on main compressor 14 to low temperature and return
It is tentatively heated in hot device 6 and low-temperature heater 3, is sequentially entered in high temperature regenerator 5 and high temperature heater (HTH) 4 again later
Reheating is carried out, so that S-CO2After pressure and temperature reaches technique requirement, expansion work in main expanding machine 17 is entered back into,
Energy a part that main expanding machine 17 exports for driving the system equipment of itself, realized by external equipment 15 by remainder
Energy output, meanwhile, the S-CO being discharged in main expanding machine 172Successively returned by high temperature regenerator 5, cryogenic regenerator 6 and low temperature
It is entered in knockout drum 13 after receiving device 7.
When external equipment 15 is motor generator, the energy source output terminal of main expanding machine 17 is exported for electric power；It is set when external
When for 15 for by driving machine, the energy source output terminal of main expanding machine 17 is for driving this by driving machine.
The outlet of low-temperature liquid storage tank 10 is successively connect with low temperature recover 7, evaporator 1, meanwhile, low-temperature liquid storage tank 10 with
CO is provided in the connecting pipe of low temperature recover 72Liquid pump 9, the CO2Liquid pump 9 is driven by liquid pump motor 8.
Evaporator 1 is arranged in S-CO2The exit of heating boiler 2 makes combustion tail gas reach environment temperature by temperature difference control
Degree discharge.Cryogenic liquid carbon dioxide storage is in low-temperature liquid storage tank 10, in CO2Under the action of liquid pump 9 and liquid pump motor 8,
Enter in evaporator 1 after low temperature recover 7, flue-gas temperature drops after tail gas is absorbed heat in evaporator 1 after boiler combustion
As low as close to environment temperature；Enter knockout drum 13 through piping by the carbon dioxide that evaporator 1 evaporates later.
Carbon dioxide in knockout drum 13 is in critical state, and when device is stopped transport, critical carbon dioxide is in refrigerant compression
Low-temperature liquid storage tank 10 is recovered under the action of machine 11 and refrigeration compressor motor 12；It can by the refrigeration compressor 11 of setting
Processing BOG gas in time, keeps the pressure and temperature of low-temperature liquid storage tank 10, and draws off CO in system overhaul or parking2Gas,
Reduce CO to the greatest extent2Gas waste.
Liquid level adjusting valve is provided between knockout drum 13 and low-temperature liquid storage tank 10；Between knockout drum 13 and low-temperature liquid storage tank 10
It is provided with thermostat valve, is used to ensure that the carbon dioxide in knockout drum 13 is in supercritical carbon dioxide state；When knockout drum 13
In temperature it is high when, be arranged in bypass thermostat valve larger fluid amount of carbon dioxide reduce by 13 entrance of knockout drum temperature, subtract
Small 14 power consumption of main compressor；When Compressor Inlet Temperature is low, by reducing the liquid level in knockout drum 13, it is ensured that main compressor 14
The temperature of entrance is slightly above temperature when carbon dioxide critical state always.
Claims (8)
1. a kind of S-CO2Energy source and power converting system, which is characterized in that including heater, heat-exchange system, knockout drum (13), master
Compressor (14), external equipment (15), speed changer (15) and main expanding machine (17), wherein first opened up on knockout drum (13)
Outlet is successively connect with the entrance of main compressor (14), heat-exchange system, heater and main expanding machine (17), main expanding machine (17)
Energy source output terminal connects external equipment, meanwhile, the outlet of main expanding machine (17) is connect with knockout drum (13).
2. a kind of S-CO according to claim 12Energy source and power converting system, which is characterized in that heat-exchange system includes height
Warm regenerator (5) and cryogenic regenerator (6), wherein the first entrance of outlet and cryogenic regenerator (6) on main compressor (14)
Connection, cryogenic regenerator (6) are connect with the first entrance of heater, and the first outlet of heater is connect with high temperature regenerator (5),
High temperature regenerator (5) is connect by heater with main expanding machine (17) again.
3. a kind of S-CO according to claim 12Energy source and power converting system, which is characterized in that heater S-CO2Add
Heat boiler (2), the S-CO2Heating boiler (2) is disposed with high temperature heater (HTH) (4) and low temperature from the bottom of inner cavity to top
Heater (3), wherein the entrance of low-temperature heater (3) and the outlet of heat-exchange system connect, the outlet of low-temperature heater (3)
It is connect with the entrance of heat-exchange system, heat-exchange system passes through high temperature heater (HTH) (4) again and connect with main expanding machine (17).
4. a kind of S-CO according to claim 12Energy source and power converting system, which is characterized in that main expanding machine (17) goes out
Mouth passes sequentially through heat-exchange system, low temperature recover (7) is connect with knockout drum (13).
5. a kind of S-CO according to claim 42Energy source and power converting system, which is characterized in that the upper end of knockout drum (13)
Part is also connected with low-temperature liquid storage tank (10), and refrigeration compressor (11), the refrigeration compressor are provided in the connecting pipe
(11) it is driven by refrigeration compressor motor (12).
6. a kind of S-CO according to claim 52Energy source and power converting system, which is characterized in that low-temperature liquid storage tank (10)
Outlet is connected with low temperature recover (7) and evaporator (1) in turn, wherein and the outlet of evaporator (1) is connect with knockout drum (13),
Meanwhile CO is provided in the connecting pipe of low-temperature liquid storage tank (10) and low temperature recover (7)2Liquid pump (9), the CO2Liquid
(9) are pumped to drive by liquid pump motor (8)；The upper end of evaporator (1) the installation heater.
7. a kind of S-CO according to claim 52Energy source and power converting system, which is characterized in that knockout drum (13) and low temperature
Fluid reservoir is provided with Liquid level adjusting valve between (10).
8. a kind of S-CO according to claim 52Energy source and power converting system, which is characterized in that knockout drum (13) and low temperature
Fluid reservoir is provided with thermostat valve between (10), and is placed in CO2The downstream of liquid pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526713.1U CN209053648U (en) | 2018-09-18 | 2018-09-18 | A kind of S-CO2Energy source and power converting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526713.1U CN209053648U (en) | 2018-09-18 | 2018-09-18 | A kind of S-CO2Energy source and power converting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053648U true CN209053648U (en) | 2019-07-02 |
Family
ID=67049029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821526713.1U Expired - Fee Related CN209053648U (en) | 2018-09-18 | 2018-09-18 | A kind of S-CO2Energy source and power converting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113823A (en) * | 2018-09-18 | 2019-01-01 | 西安天弘动力科技有限公司 | A kind of S-CO2Energy source and power converting system |
-
2018
- 2018-09-18 CN CN201821526713.1U patent/CN209053648U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113823A (en) * | 2018-09-18 | 2019-01-01 | 西安天弘动力科技有限公司 | A kind of S-CO2Energy source and power converting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109084498B (en) | Adiabatic compressed air-high temperature difference heat pump coupling system | |
| CN108224535A (en) | A kind of thermal power plant's cogeneration of heat and power and compressed-air energy storage complementation integrated system | |
| CN109763948A (en) | A kind of supercritical carbon dioxide solar heat power generation system and operation method | |
| CN102094690A (en) | Engine exhaust gas and waste heat utilization system based on single-screw expansion engine | |
| CN109854314A (en) | A kind of power generator and method recycling power plant's cold source heat | |
| CN104481614B (en) | A kind of take carbon dioxide as the distributing-supplying-energy system of working medium | |
| CN204830556U (en) | Solar energy sprays overlapping cooling cycle system | |
| CN201199118Y (en) | Novel energy-saving refrigeratory | |
| CN101806448B (en) | Application of second type absorption type heat pump in heat exchange cycle system of power plant | |
| CN209053648U (en) | A kind of S-CO2Energy source and power converting system | |
| CN207849517U (en) | Circulating water afterheat heating system with series-parallel conversion function | |
| CN201891524U (en) | Engine exhaust afterheat utilization system based on single-screw expansion machine | |
| CN212339398U (en) | Life hot water supply device based on solar energy and trans-critical carbon dioxide heat pump | |
| CN109113823A (en) | A kind of S-CO2Energy source and power converting system | |
| CN214660746U (en) | Multi-source heat accumulating type compressed air energy storage comprehensive utilization system | |
| CN111750419B (en) | Domestic hot water supply system based on solar energy and transcritical carbon dioxide heat pump | |
| CN211372823U (en) | Air source heat pump hot water, heating and refrigerating system | |
| CN108036397A (en) | A kind of hot water Optimization of Energy Saving system and solar energy coupling heat source water heating power-economizing method | |
| CN203717054U (en) | Supercritical CO2 working medium circulation power generation system | |
| CN203347861U (en) | of cooling and power generating functions of ammonia medium | |
| CN209875232U (en) | Power generation device for recycling heat of cold source of power plant | |
| CN208983674U (en) | A kind of cooling and warming electricity generation system with solar energy auxiliary heat and injector throttling | |
| CN208711388U (en) | The carbon dioxide recycle electricity generation system being pressurized using chemical absorbing | |
| CN103925585B (en) | A kind of steam regenerating unit and method of work | |
| CN116591791B (en) | Compressed air energy storage system combined with thermal power and operation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20200918 |