CN208971152U - A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage - Google Patents
A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage Download PDFInfo
- Publication number
- CN208971152U CN208971152U CN201821936910.0U CN201821936910U CN208971152U CN 208971152 U CN208971152 U CN 208971152U CN 201821936910 U CN201821936910 U CN 201821936910U CN 208971152 U CN208971152 U CN 208971152U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- enriched combusting
- liquid
- liquid oxygen
- power generation
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of integrated power generation systems for combining oxygen-enriched combusting and liquid oxygen energy storage, which includes air separation unit, oxygen liquefying plant, liquid oxygen storage tank, evaporator, oxygen-enriched combusting power generator and power grid；Liquid oxygen energy storage and oxygen-enriched combusting power generation are integrated into same system and process flow by the utility model, there is no the two times transfer processes that thermal energy required when discharging in conventional liquid air or liquid oxygen energy-storage system is converted to electric energy, therefore, the utility model has the advantages that system is simple, energy storage efficiency is high and economy is excellent etc., can be obviously improved the Load Regulation ability and economy in oxygen-enriched combusting power plant.
Description
Technical field
The utility model belongs to oxygen-enriched combusting and energy storing and electricity generating field, and in particular to a kind of joint oxygen-enriched combusting and liquid oxygen
The integrated power generation system of energy storage.
Background technique
With the sternness increasingly of global warming problem, the CO of fossil fired power plant how is reduced2Discharge has become complete
The hot spot of World Focusing.In fossil-fueled power plant CO2In emission-reduction technology, oxygen-enriched combusting (O2/CO2Combustion technology) it is considered as one
The most promising CO of kind2Emission-reduction technology.
But the air separation plant and CO of oxygen-enriched combusting power plant2The high energy consumption for compressing equipment for purifying, so that oxygen-enriched combusting power plant
Generating efficiency have a greatly reduced quality, compared with conventional air coal-fired power plant, decrease of power generation about 8~13%.In addition, for richness
For oxygen coal-fired power plant, in order to run each equipment economical and efficient, further increases generating efficiency and guarantee CO in flue gas2Catch
Collect recovering effect, the optimal method of operation is to make the oxygen-enriched combusting power plant only basic load operation of band, and be not involved in network system
Peak regulation and frequency modulation need.However, this is conflicting with the operation characteristic of entire network system.It is rich that disadvantages mentioned above has become limitation
The main bottleneck of oxygen combustion technology development and application.
Summary of the invention
The utility model is for space division and CO existing for oxygen-enriched combusting power plant2Compress equipment for purifying energy consumption height and system hair
The low problem of electrical efficiency, proposes a kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage, and the utility model will
Liquid oxygen energy storage and oxygen-enriched combusting power generation are integrated into same system and process flow, and conventional liquid air or liquid oxygen is not present
Required thermal energy is converted to the two times transfer process of electric energy when discharging in energy-storage system, and therefore, the utility model has system letter
The advantages such as single, energy storage efficiency height and economy are excellent, can be obviously improved the Load Regulation ability and economy in oxygen-enriched combusting power plant
Property.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of described joint oxygen-enriched combusting and the integrated power generation system of liquid oxygen energy storage include air separation unit 1, oxygen liquefaction
Device 2, liquid oxygen storage tank 3, evaporator 4, oxygen-enriched combusting power generator 5 and power grid 6；
The oxygen outlet of the air separation unit 1 oxygen intake with oxygen liquefying plant 2 and oxygen-enriched combusting power generator 5 respectively
It is connected；The liquid oxygen outlet of oxygen liquefying plant 2 is connected with the liquid oxygen entrance of liquid oxygen storage tank 3；Liquid oxygen storage tank 3 liquid oxygen outlet with
The oxygen intake of evaporator 4 is connected；The oxygen outlet of evaporator 4 is connected with the oxygen intake of oxygen-enriched combusting power generator 5,
The outlet connection power grid 6 and air separation unit 1 of oxygen-enriched combusting power generator 5.
Pressure store in the liquid oxygen storage tank 3 is 1~5bar, saturation temperature of the temperature than oxygen under corresponding pressure store
Low 5~30 DEG C.
The electric energy that the oxygen-enriched combusting power generator 5 exports includes that there are three purposes: driving the basic load hair in power grid 6
Electricity；It generates electricity when driving the peak of power consumption in power grid 6 namely peakload generates electricity；It powers to air separation unit 1.
The electricity-generating method of a kind of described joint oxygen-enriched combusting and the integrated power generation system of liquid oxygen energy storage, works as power load
When at a low ebb, the electric energy that oxygen-enriched combusting power generator 5 exports is mainly used to drive the basic load in power grid 6 to generate electricity and to sky
Separating device 1 is powered, the oxygen exported by air separation unit 1, and a part is for 5 combustion power generation of oxygen-enriched combusting power generator, another portion
Lease making oxygen liquefying plant 2 enters liquid oxygen storage tank 3 after liquefying and is stored；When power load is in peak, oxygen-enriched combusting power generation
The electric energy that device 5 exports is mainly used to drive basic load power generation and peakload in power grid 6 to generate electricity, and only a small amount of electric energy
It for air separation unit 1 or powers to air separation unit 1, the required oxygen that burns of oxygen-enriched combusting power generator 5 is main or complete at this time
Oxygen that is that portion is generated from consumption paddy electricity and being stored in liquid oxygen storage tank 3.
The utility model has the following beneficial effects:
A kind of integrated power generation system and method for combining oxygen-enriched combusting and liquid oxygen energy storage described in the utility model, has
Liquid oxygen energy storage and oxygen-enriched combusting power generation: (1) being integrated into same system and process flow by following advantage, and there is no traditional liquid
Required thermal energy is converted to the two times transfer process of electric energy when discharging in state air or liquid oxygen energy-storage system, to have higher
Energy storage efficiency；(2) the cheap feature of electricity price, is converted into liquid oxygen storage when making full use of power load low ebb,
When peak of power consumption, then stored liquid oxygen is generated electricity by oxygen-enriched combusting and is converted into electric energy, so as to be obviously improved entire system
The economy of system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 be air separation unit, 2 be oxygen liquefying plant, 3 be liquid oxygen storage tank, 4 be evaporator, 5 be oxygen-enriched combusting power generation
Device, 6 be power grid.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, a kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage described in the utility model,
The entrance of air separation unit 1 is connected with air inlet duct, the oxygen outlet of air separation unit 1 respectively with oxygen liquefying plant 2 and oxygen-enriched
The oxygen intake of combustion power generation device 5 is connected；The liquid oxygen outlet of oxygen liquefying plant 2 is connected with the liquid oxygen entrance of liquid oxygen storage tank 3
It is logical；The liquid oxygen outlet of liquid oxygen storage tank 3 is connected with the oxygen intake of evaporator 4；The oxygen outlet and oxygen-enriched combusting of evaporator 4 are sent out
The oxygen intake of electric installation 5 is connected, the outlet connection power grid 6 and air separation unit 1 of oxygen-enriched combusting power generator 5.
Include that there are three purposes by the electric energy that oxygen-enriched combusting power generator 5 issues: driving the basic load hair in power grid 6
Electricity；Drive the peakload power generation in power grid 6；It powers to air separation unit 1.When power load is at a low ebb in entire network system
When, it is contemplated that paddy electricity electricity price is lower, is mainly used to drive in power grid 6 by the electric energy that oxygen-enriched combusting power generator 5 exports at this time
Basic load generates electricity and powers to air separation unit 1, and the oxygen exported by air separation unit 1, a part is for oxygen-enriched combusting power generator 5
Combustion power generation is used, and another part enters liquid oxygen storage tank 3 after the liquefaction of oxygen liquefying plant 2 and stored, the storage in liquid oxygen storage tank 3
Pressure is 1~5bar, and temperature is 5~30 DEG C lower than the saturation temperature of oxygen under corresponding pressure store；When power load is in peak
When, the electric energy that oxygen-enriched combusting power generator 5 exports is mainly used to drive basic load power generation and peakload hair in power grid 6
Electricity, and only a small amount of electric energy is powered for air separation unit 1 or not to air separation unit 1, the institute of the burning of oxygen-enriched combusting power generator 5 at this time
Oxygen that is that the oxygen needed is primarily or entirely generated from consumption paddy electricity and being stored in liquid oxygen storage tank 3.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (2)
1. a kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage, it is characterised in that: including air separation unit (1),
Oxygen liquefying plant (2), liquid oxygen storage tank (3), evaporator (4), oxygen-enriched combusting power generator (5) and power grid (6)；
Oxygen of the oxygen outlet of the air separation unit (1) respectively with oxygen liquefying plant (2) and oxygen-enriched combusting power generator (5) enters
Mouth is connected；The liquid oxygen outlet of oxygen liquefying plant (2) is connected with the liquid oxygen entrance of liquid oxygen storage tank (3)；The liquid of liquid oxygen storage tank (3)
Oxygen outlet is connected with the oxygen intake of evaporator (4)；The oxygen outlet of evaporator (4) and oxygen-enriched combusting power generator (5)
Oxygen intake is connected, outlet connection power grid (6) of oxygen-enriched combusting power generator (5) and air separation unit (1).
2. a kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage according to claim 1, feature exist
In: the pressure store in the liquid oxygen storage tank (3) is 1~5bar, and temperature is lower by 5 than the saturation temperature of oxygen under corresponding pressure store
~30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936910.0U CN208971152U (en) | 2018-11-22 | 2018-11-22 | A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936910.0U CN208971152U (en) | 2018-11-22 | 2018-11-22 | A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971152U true CN208971152U (en) | 2019-06-11 |
Family
ID=66765747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936910.0U Active CN208971152U (en) | 2018-11-22 | 2018-11-22 | A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208971152U (en) |
-
2018
- 2018-11-22 CN CN201821936910.0U patent/CN208971152U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10830107B2 (en) | Natural gas combined power generation process with zero carbon emission | |
| CN209457990U (en) | A kind of supercritical carbon dioxide electricity generation system of the energy storage containing liquid air | |
| CN103410616B (en) | Large Copacity compressed-air energy storage efficient power generation system | |
| CN103225598B (en) | The method and system of a kind of pressurized air and heat-storage medium energy storage simultaneously | |
| CN103352830B (en) | A kind of compressed air energy storage power generating system using unstable state compression process | |
| CN207064027U (en) | The air compressed energy-storage and generating integrated system of wind light mutual complementing | |
| CN104196582B (en) | Based on CO in MCFC electrochemical process trapping IGCC system 2combined power system | |
| CN105840258A (en) | Combined power generation system for gradient utilization of wind energy, fuel gas and supercritical carbon dioxide energy | |
| CN103925216B (en) | Flexible structure changes scroll machine compressed-air energy-storage system | |
| CN104265458A (en) | Compressed air energy-storage power generation system and working mode thereof | |
| CN104307308B (en) | Process system for decarbonizing by using photovoltaic assisted coal combustion set | |
| CN109412183A (en) | A kind of integrated power generation system and method for combining oxygen-enriched combusting and liquid oxygen energy storage | |
| CN108926964B (en) | Thermal power plant timesharing carbon dioxide entrapment storage system | |
| CN205714295U (en) | Based on supercritical carbon dioxide and the thermal electric generator of Steam Combined Cycle | |
| CN208971152U (en) | A kind of integrated power generation system for combining oxygen-enriched combusting and liquid oxygen energy storage | |
| CN106894856A (en) | A kind of compressed-air energy-storage system of integrated solar | |
| CN201246193Y (en) | Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology | |
| CN109494772A (en) | It is a kind of using air as the energy storage peak shaving system of medium | |
| CN214196426U (en) | Integrated system for air separation energy storage coupling oxygen-enriched combustion carbon capture of thermal power plant | |
| CN203272071U (en) | System with compressed air and heat storage media storing energy simultaneously | |
| CN206135532U (en) | Become reserve power supply unit of oar system | |
| CN105561742B (en) | A kind of solar energy and geothermal energy united auxiliary carbon dioxide trapping system | |
| CN209344796U (en) | A kind of air energy storage peak shaving system applied to Thermal generation unit | |
| CN204460850U (en) | Distributed energy and air source heat pump coupled system | |
| CN202883023U (en) | Marsh gas power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |