CN110056851A - A kind of supercritical carbon dioxide boiler working substance humidity control system and method - Google Patents
A kind of supercritical carbon dioxide boiler working substance humidity control system and method Download PDFInfo
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- CN110056851A CN110056851A CN201910338636.XA CN201910338636A CN110056851A CN 110056851 A CN110056851 A CN 110056851A CN 201910338636 A CN201910338636 A CN 201910338636A CN 110056851 A CN110056851 A CN 110056851A
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- Prior art keywords
- carbon dioxide
- working medium
- supercritical carbon
- temperature adjustment
- temperature
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 223
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 111
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 111
- 239000000126 substance Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000033228 biological regulation Effects 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims 1
- 229960004424 carbon dioxide Drugs 0.000 description 74
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000028016 temperature homeostasis Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/08—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass at critical or supercritical pressure values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
- F22B35/10—Control systems for steam boilers for steam boilers of forced-flow type of once-through type
- F22B35/12—Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating at critical or supercritical pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to a kind of supercritical carbon dioxide boiler working substance humidity control systems.There is provided a kind of supercritical carbon dioxide boiler working substance temperature control methods for another technical solution of the invention.Present invention efficiently solves the regulation problems of supercritical carbon dioxide boiler working substance temperature.By in closed system partial CO 2 working medium cooling after with high temperature carbon dioxide working medium direct contact heat transfer, by keeping reasonable temperature and flow to the low-temperature carbon dioxide working medium for entering supercritical carbon dioxide boiler temperature adjustment point, it realizes and supercritical carbon dioxide boiler working substance temperature quickly, is flexibly adjusted, avoid the overtemperature of boiler heating surface, the safety of system operation is not only significantly increased, but also substantially prolongs the service life of high-temperature surface and pipeline and turbine blade in system.
Description
Technical field
The present invention relates to a kind of supercritical carbon dioxide boiler working substance humidity control system and methods, belong to overcritical dioxy
Change carbon Brayton cycle efficient circulation technical field of power generation.
Background technique
The increasingly scarcity of the energy is to restrict a big factor of current social development, and the utilization rate for improving the energy receives people
Attention.Compared with traditional device of working medium Rankine cycle, supercritical carbon dioxide Brayton cycle has at 500~700 DEG C to be followed
The ring thermal efficiency is high, and energy density is big, and system is simple and compact, and safety is good, does not need setting deoxygenation, desalination, blowdown and unrestrained water
The advantages such as facility can reduce input cost while lifting system heat to power output efficiency.
For the supercritical carbon dioxide boiler of normal operation, boiler export supercritical carbon dioxide working medium temperature is kept
Degree, which reaches rated value, can obtain higher economic benefit.If supercritical carbon dioxide Temperature of Working is excessively high to make boiler heating surface
Accelerate with the metal material overtemperature and creep speed of turbine, the service life of high-temperature surface and pipeline and turbine blade
It significantly reduces；If supercritical carbon dioxide Temperature of Working is too low to will lead to unit output reduction, to influence following for unit entirety
Ring efficiency.And with the raising of power cycle pressure, temperature, there are excessive deviations can also greatly increase boiler for unit operation
The high temperature corrosion rate of heating surface pipe.Therefore, to supercritical carbon dioxide boiler working substance carry out in time, effectively temperature tune
Section, has great significance for the safe and stable operation of unit.
Summary of the invention
The purpose of the present invention is: the flexible modulation to supercritical carbon dioxide boiler working substance temperature is realized, to increase super
The safety margin and flexible adjustment of critical carbon dioxide boiler.
In order to achieve the above object, there is provided a kind of supercritical carbon dioxide kettleman for a technical solution of the invention
Matter humidity control system, which is characterized in that including supercritical carbon dioxide boiler, turbine, regenerator, cooler, compressor set
Part and temperature adjustment working medium flow regulation pipe group, in which: the entrance of turbine is connected with the outlet of supercritical carbon dioxide boiler, turbine
Outlet connects the low pressure side inlet of regenerator, the heat release side entrance of main cooling segment in the low side outlets and cooler of regenerator
It is connected, the heat release side outlet of main cooling segment is connected with the entrance of compressor assembly；The outlet manifold of main compressor component is two
Road, a way outlet are connected with the high pressure side inlet of regenerator, the high pressure side outlet of regenerator then with supercritical carbon dioxide boiler
Entrance be connected, another way outlet of main compressor component is connected with the entrance of temperature adjustment working medium flow regulation pipe group, temperature adjustment working medium
The outlet of flow regulation pipe group is connected with the heat release side entrance of temperature adjustment working medium cooling segment in cooler, temperature adjustment working medium cooling segment
Heat release side outlet through the supercritical carbon dioxide boiler temperature adjustment in temperature adjustment working medium introduction pipeline and supercritical carbon dioxide boiler
Point is connected.
Preferably, the temperature adjustment working medium flow regulation pipe group include temperature adjustment working medium flow regulation pipe group flow pipe and and its
Temperature adjustment working medium flow regulation pipe group in parallel adjusts pipeline.
Preferably, the compressor assembly include a main compressor or include by least two compressor sets at circulation
Right compression conduit.
Preferably, the quantity of the supercritical carbon dioxide boiler temperature adjustment point be 1 or at least two, all overcritical two
The carbonoxide boiler temperature adjustment point heat release side outlet phase through the temperature adjustment working medium introduction pipeline with the temperature adjustment working medium cooling segment
Even.
Preferably, it is equipped with supercritical carbon dioxide boiler heating surface in the supercritical carbon dioxide boiler and/or surpasses and faces
Boundary's carbon dioxide boiler reheating heating surface.
Preferably, the regenerator includes cryogenic regenerator and high temperature regenerator, the low pressure side inlet of high temperature regenerator with
The outlet of the turbine is connected, and the low side outlets of high temperature regenerator are connected with the low pressure side inlet of cryogenic regenerator, and low temperature returns
The low side outlets of hot device are connected with the heat release side entrance of main cooling segment in the cooler.
It preferably, further include recompression machine, the low side outlets of the cryogenic regenerator while the entrance with recompression machine
It is connected；The high pressure side inlet of the cryogenic regenerator is connected with the outlet of the compressor assembly, from cryogenic regenerator high-pressure side
The working medium for exporting outflow is converged with the working medium of the outlet outflow from recompression machine to be connected with the high pressure side inlet of high temperature regenerator afterwards,
The high pressure side outlet of high temperature regenerator is connected with the entrance of the supercritical carbon dioxide boiler.
Another technical solution of the invention there is provided a kind of supercritical carbon dioxide boiler working substance temperature control method,
Characterized by comprising the following steps:
The carbon dioxide working medium of supercritical carbon dioxide boiler export enters turbine acting, the carbon dioxide working medium after acting
Into the low-pressure side heat release of regenerator, the main cooling segment cold side largely or entirely entered in cooler later continues to drop
Temperature subsequently enters compressor assembly；Carbon dioxide working medium in compressor assembly splits into two-way after being pressurized, and enters all the way
Enter supercritical carbon dioxide boiler after the high-pressure side of regenerator is heated to continue to heat, another way flows through temperature adjustment working medium flow tune
Pipe group is saved, the temperature adjustment working medium cooling segment that subsequent carbon dioxide temperature adjustment working medium enters in cooler cools down, then successively
Temperature adjustment working medium introduction pipeline and supercritical carbon dioxide boiler temperature adjustment point are flowed through, with the high temperature work in supercritical carbon dioxide boiler
It is upright to connect mixing, to achieve the purpose that carry out temperature adjusting to boiler heating surface.
Preferably, the temperature adjustment working medium flow regulation pipe group flow pipe in the temperature adjustment working medium flow regulation pipe group keeps normal
It opens, pipeline is adjusted by temperature adjustment working medium flow regulation pipe group, the flow of carbon dioxide temperature adjustment working medium is adjusted.
Preferably, temperature adjustment working medium temperature fall after temperature adjustment working medium cooling segment in the cooler is cooling is not less than
Temperature value and the 25% of environment temperature difference before it is cooled down.
Present invention efficiently solves the regulation problems of supercritical carbon dioxide boiler working substance temperature.It will be in closed system
Partial CO 2 working medium cooling after with high temperature carbon dioxide working medium direct contact heat transfer, by enter supercritical carbon dioxide
The low-temperature carbon dioxide working medium of boiler temperature adjustment point keeps reasonable temperature and flow, realizes to supercritical carbon dioxide kettleman
Matter temperature quickly, is flexibly adjusted, and avoids the overtemperature of boiler heating surface, not only significantly increases the safety of system operation,
But also substantially prolong the service life of high-temperature surface and pipeline and turbine blade in system.
The present invention is cooled down by drawing temperature adjustment bypass in the outlet of main compressor by cooler, it can be ensured that
The temperature of temperature adjustment working medium is kept low, and the flow needed for temperature adjustment process is also smaller in this way, is avoided in temperature adjustment
The working medium flow of boiler main line is produced bigger effect in journey.
In the present invention, it is carried out by way of directly mixing temperature adjustment carbon dioxide working medium with high temperature carbon dioxide working medium
Temperature adjustment, thermoregulation effect is good, high sensitivity, responds fastly, and system is simple, failure rate is low, investment is low.
Be provided in temperature adjustment working medium flow regulation pipe group of the present invention simultaneously temperature adjustment working medium flow regulation pipe group flow pipe with
Temperature adjustment working medium flow regulation pipe group adjusts pipeline.Wherein temperature adjustment working medium flow regulation pipe group flow pipe maintains a normally open, and passes through
Temperature adjustment working medium flow regulation pipe group adjusts pipeline and the flow of carbon dioxide temperature adjustment working medium is adjusted, and can reach flow in this way
The effect of adjusting, and thermal shock of the flow adjustment process to temperature adjustment pipeline is effectively prevented, substantially prolong making for temperature adjustment pipeline
Use the service life.
Detailed description of the invention
Fig. 1 is supercritical carbon dioxide boiler working substance humidity control system schematic diagram of the present invention.
In figure: 1A- main compressor；1B- recompresses machine；2- cryogenic regenerator；3- high temperature regenerator；The overcritical titanium dioxide of 4-
Carbon boiler；4A- supercritical carbon dioxide boiler temperature adjustment point upstream heating surface；4B- supercritical carbon dioxide boiler temperature adjustment point downstream
Heating surface；5- turbine；6- cooler；The main cooling segment of 6A-；6B- temperature adjustment working medium cooling segment；S1- temperature adjustment working medium introduction pipeline；
T- temperature adjustment working medium flow regulation pipe group；TA- temperature adjustment working medium flow regulation pipe group flow pipe；TB- temperature adjustment working medium flow regulation pipe
Group adjusts pipeline.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
A kind of supercritical carbon dioxide boiler working substance humidity control system provided by the invention, including main compressor 1A, again
Compressor 1B, cryogenic regenerator 2, high temperature regenerator 3, supercritical carbon dioxide boiler 4, turbine 5, cooler 6, temperature adjustment working medium stream
Measure regulation pipe group T and temperature adjustment working medium introduction pipeline S1.
Supercritical carbon dioxide boiler 4 includes supercritical carbon dioxide boiler temperature adjustment point, supercritical carbon dioxide boiler tune
Warm spot upstream heating surface 4A and supercritical carbon dioxide boiler temperature adjustment point downstream heating surface 4B.Cooler 6 includes main cooling segment
6A and temperature adjustment working medium cooling segment 6B.Temperature adjustment working medium flow regulation pipe group T includes temperature adjustment working medium flow regulation pipe group flow pipe
TA and temperature adjustment working medium flow regulation pipe group adjust pipeline TB.
The entrance of turbine 5 is connected with the outlet of supercritical carbon dioxide boiler 4, outlet and the high temperature regenerator 3 of turbine 5
Low pressure side inlet is connected, and the low side outlets of high temperature regenerator 3 are connected with the low pressure side inlet of cryogenic regenerator 2.Low temperature backheat
The low side outlets of device 2 split into two-way, are connected all the way with the heat release side entrance of cooling segment 6A main in cooler 6, another way
It is connected with the entrance of recompression machine 1B.The entrance phase of the heat release side outlet of main cooling segment 6A and main compressor 1A in cooler 6
Even.The outlet manifold of main compressor 1A is two-way, is connected all the way with the high pressure side inlet of cryogenic regenerator 2, another way and temperature adjustment
The entrance of working medium flow regulation pipe group T is connected.The high pressure side outlet working medium of cryogenic regenerator 2 and the outlet working medium of recompression machine 1B
Converge and is connected afterwards with the high pressure side inlet of high temperature regenerator 3, the high pressure side outlet and supercritical carbon dioxide pot of high temperature regenerator 3
The entrance of furnace 4 is connected.The heat release of temperature adjustment working medium cooling segment 6B in the outlet of temperature adjustment working medium flow regulation pipe group T and cooler 6
Side entrance is connected, the heat release side outlet of temperature adjustment working medium cooling segment 6B and supercritical carbon dioxide boiler temperature adjustment point in cooler 6
It is connected.
The carbon dioxide working medium that supercritical carbon dioxide boiler 4 exports enters the acting of turbine 5, the carbon dioxide work after acting
Matter sequentially enters the cold side heat release of high temperature regenerator 3, cryogenic regenerator 2, and carbon dioxide working medium is in cryogenic regenerator 2 later
Low side outlets split into two-way, enter in cooler 6 all the way and enter main compressor 1A after main cooling segment 6A cold side cooling,
Another way enters recompression machine 1B and is pressurized.
Two-way is split into after the carbon dioxide working medium in main compressor 1A is pressurized, all the way into cryogenic regenerator 2
Heat absorbing side heat absorption, converges later with into the pressurized carbon dioxide working medium of recompression machine 1B, into the high pressure of high temperature regenerator 3
Side heat absorption enters supercritical carbon dioxide boiler 4 later and continues to absorb heat；Another way enters temperature adjustment working medium flow as temperature adjustment working medium
Regulation pipe group T.Subsequent temperature adjustment working medium enters temperature adjustment working medium cooling segment 6B and cools down, and introduces and manage followed by temperature adjustment working medium
High temperature in road S1 and supercritical carbon dioxide boiler temperature adjustment point, with supercritical carbon dioxide boiler temperature adjustment point upstream heating surface 4A
Carbon dioxide working medium directly mixes, to achieve the purpose that carry out temperature adjusting to boiler heating surface.Temperature adjustment working medium is through cooling preceding temperature
Degree is 100 DEG C, and temperature is reduced to 75 DEG C after cooling.Temperature adjustment working medium flow regulation pipe group flow pipe TA is maintained a normally open, and passes through tune
Warm working medium flow regulation pipe group adjusts pipeline TB and the carbon dioxide working medium flow passed through is adjusted.Supercritical carbon dioxide pot
The carbon dioxide working medium that furnace 4 exports enters the acting of turbine 5 and completes circulation.
Supercritical carbon dioxide boiler working substance humidity control system and method described in the present embodiment, efficiently solve super
The regulation problem of critical carbon dioxide boiler working substance temperature.By in closed system partial CO 2 working medium cooling after with high temperature
Carbon dioxide working medium direct contact heat transfer, by the low-temperature carbon dioxide working medium for entering supercritical carbon dioxide boiler temperature adjustment point
Reasonable temperature and flow are kept, realizes and supercritical carbon dioxide boiler working substance temperature quickly, is flexibly adjusted, avoid
The overtemperature of boiler heating surface not only significantly increases the safety of system operation, but also substantially prolong in system high temperature by
The service life in hot face and pipeline and turbine blade.
The present embodiment is cooled down by drawing temperature adjustment bypass in the outlet of main compressor by cooler, can be true
The temperature for protecting temperature adjustment working medium is kept low, and the flow needed for temperature adjustment process is also smaller in this way, avoids in temperature adjustment
The working medium flow of boiler main line is produced bigger effect in the process.
In the present embodiment, in such a way that temperature adjustment carbon dioxide working medium is directly mixed with high temperature carbon dioxide working medium into
Row temperature adjustment, thermoregulation effect is good, high sensitivity, responds fastly, and system is simple, failure rate is low, investment is low.
Temperature adjustment working medium flow regulation pipe group flow pipe is provided in the present embodiment temperature adjustment working medium flow regulation pipe group simultaneously
Pipeline is adjusted with temperature adjustment working medium flow regulation pipe group.Wherein temperature adjustment working medium flow regulation pipe group flow pipe maintains a normally open, and leads to
It crosses temperature adjustment working medium flow regulation pipe group adjusting pipeline the flow of carbon dioxide temperature adjustment working medium is adjusted, stream can be reached in this way
The effect adjusted is measured, and effectively prevents thermal shock of the flow adjustment process to temperature adjustment pipeline, substantially prolongs temperature adjustment pipeline
Service life.
Claims (10)
1. a kind of supercritical carbon dioxide boiler working substance humidity control system, which is characterized in that including supercritical carbon dioxide pot
Furnace, turbine, regenerator, cooler, compressor assembly and temperature adjustment working medium flow regulation pipe group, in which: the entrance of turbine faces with super
The outlet of boundary's carbon dioxide boiler is connected, the low pressure side inlet of the outlet connection regenerator of turbine, the low side outlets of regenerator
It is connected with the heat release side entrance of cooling segment main in cooler, the heat release side outlet of main cooling segment and the entrance of compressor assembly
It is connected；The outlet manifold of main compressor component is two-way, and a way outlet is connected with the high pressure side inlet of regenerator, the height of regenerator
Pressure side outlet is then connected with the entrance of supercritical carbon dioxide boiler, another way outlet and temperature adjustment working medium stream of main compressor component
The entrance for measuring regulation pipe group is connected, and temperature adjustment working medium cooling segment puts in the outlet of temperature adjustment working medium flow regulation pipe group and cooler
Hot side entrance is connected, and the heat release side outlet of temperature adjustment working medium cooling segment is through temperature adjustment working medium introduction pipeline and supercritical carbon dioxide pot
Supercritical carbon dioxide boiler temperature adjustment point in furnace is connected.
2. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that described
Temperature adjustment working medium flow regulation pipe group includes temperature adjustment working medium flow regulation pipe group flow pipe and temperature adjustment working medium flow connected in parallel
Regulation pipe group adjusts pipeline.
3. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that described
Compressor assembly include a main compressor or include by least two compressor sets at circulation right compression conduit.
4. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that described
The quantity of supercritical carbon dioxide boiler temperature adjustment point is 1 or at least two, and all supercritical carbon dioxide boiler temperature adjustment points are equal
It is connected through the temperature adjustment working medium introduction pipeline with the heat release side outlet of the temperature adjustment working medium cooling segment.
5. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that described
Be equipped in supercritical carbon dioxide boiler supercritical carbon dioxide boiler heating surface and/or supercritical carbon dioxide boiler reheating by
Hot face.
6. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that described
Regenerator includes cryogenic regenerator and high temperature regenerator, and the low pressure side inlet of high temperature regenerator is connected with the outlet of the turbine,
The low side outlets of high temperature regenerator are connected with the low pressure side inlet of cryogenic regenerator, the low side outlets of cryogenic regenerator and institute
The heat release side entrance for stating main cooling segment in cooler is connected.
7. a kind of supercritical carbon dioxide boiler working substance humidity control system as described in claim 1, which is characterized in that also wrap
Recompression machine is included, the low side outlets of the cryogenic regenerator are connected with the entrance of recompression machine simultaneously；The cryogenic regenerator
High pressure side inlet be connected with the outlet of the compressor assembly, the working medium flowed out from cryogenic regenerator high pressure side outlet with from again
The working medium of the outlet outflow of compressor is converged to be connected with the high pressure side inlet of high temperature regenerator afterwards, and the high-pressure side of high temperature regenerator goes out
Mouth is connected with the entrance of the supercritical carbon dioxide boiler.
8. a kind of supercritical carbon dioxide boiler working substance temperature control method, which comprises the following steps:
The carbon dioxide working medium of supercritical carbon dioxide boiler export enters turbine acting, and the carbon dioxide working medium after acting enters
The low-pressure side heat release of regenerator, the main cooling segment cold side largely or entirely entered in cooler later continue to cool down, with
Enter compressor assembly afterwards；Carbon dioxide working medium in compressor assembly splits into two-way after being pressurized, and enters backheat all the way
Enter supercritical carbon dioxide boiler after the high-pressure side of device is heated to continue to heat, another way flows through temperature adjustment working medium flow regulation pipe
Group, the temperature adjustment working medium cooling segment that subsequent carbon dioxide temperature adjustment working medium enters in cooler cool down, then followed by
Temperature adjustment working medium introduction pipeline and supercritical carbon dioxide boiler temperature adjustment point are straight with the high temperature refrigerant in supercritical carbon dioxide boiler
Mixing is connect, to achieve the purpose that carry out temperature adjusting to boiler heating surface.
9. supercritical carbon dioxide boiler working substance temperature control method as claimed in claim 8, which is characterized in that the temperature adjustment
Temperature adjustment working medium flow regulation pipe group flow pipe in working medium flow regulation pipe group maintains a normally open, and is adjusted by temperature adjustment working medium flow
Pipe group adjusts pipeline and the flow of carbon dioxide temperature adjustment working medium is adjusted.
10. supercritical carbon dioxide boiler working substance temperature control method as claimed in claim 8, which is characterized in that temperature adjustment work
Matter temperature fall after temperature adjustment working medium cooling segment in the cooler is cooling is not less than temperature value and environment before it is cooled down
The 25% of temperature gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910338636.XA CN110056851B (en) | 2019-04-25 | 2019-04-25 | Supercritical carbon dioxide boiler working medium temperature adjusting system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338636.XA CN110056851B (en) | 2019-04-25 | 2019-04-25 | Supercritical carbon dioxide boiler working medium temperature adjusting system and method |
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| CN110056851A true CN110056851A (en) | 2019-07-26 |
| CN110056851B CN110056851B (en) | 2024-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454761A (en) * | 2019-09-04 | 2019-11-15 | 上海锅炉厂有限公司 | A kind of efficient supercritical carbon dioxide boiler working substance humidity control system and method |
| CN111322660A (en) * | 2020-03-11 | 2020-06-23 | 西安热工研究院有限公司 | Supercritical carbon dioxide circulating cogeneration system and method of integrated absorption heat pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205897088U (en) * | 2016-08-10 | 2017-01-18 | 西安热工研究院有限公司 | Super supercritical carbon dioxide brayton cycle coal -fired generating unit |
| CN108613170A (en) * | 2018-03-14 | 2018-10-02 | 西安交通大学 | A kind of supercritical carbon dioxide coal generating system and operation method |
| CN108612571A (en) * | 2018-07-04 | 2018-10-02 | 西安热工研究院有限公司 | A kind of supercritical carbon dioxide Brayton cycle working medium regulating system and method |
| CN109555569A (en) * | 2018-12-25 | 2019-04-02 | 西安交通大学 | Supercritical carbon dioxide recycles cold end waste heat recovery generating system and operation method |
| CN210485670U (en) * | 2019-04-25 | 2020-05-08 | 上海锅炉厂有限公司 | Supercritical carbon dioxide boiler working medium temperature regulating system |
-
2019
- 2019-04-25 CN CN201910338636.XA patent/CN110056851B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205897088U (en) * | 2016-08-10 | 2017-01-18 | 西安热工研究院有限公司 | Super supercritical carbon dioxide brayton cycle coal -fired generating unit |
| CN108613170A (en) * | 2018-03-14 | 2018-10-02 | 西安交通大学 | A kind of supercritical carbon dioxide coal generating system and operation method |
| CN108612571A (en) * | 2018-07-04 | 2018-10-02 | 西安热工研究院有限公司 | A kind of supercritical carbon dioxide Brayton cycle working medium regulating system and method |
| CN109555569A (en) * | 2018-12-25 | 2019-04-02 | 西安交通大学 | Supercritical carbon dioxide recycles cold end waste heat recovery generating system and operation method |
| CN210485670U (en) * | 2019-04-25 | 2020-05-08 | 上海锅炉厂有限公司 | Supercritical carbon dioxide boiler working medium temperature regulating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454761A (en) * | 2019-09-04 | 2019-11-15 | 上海锅炉厂有限公司 | A kind of efficient supercritical carbon dioxide boiler working substance humidity control system and method |
| CN111322660A (en) * | 2020-03-11 | 2020-06-23 | 西安热工研究院有限公司 | Supercritical carbon dioxide circulating cogeneration system and method of integrated absorption heat pump |
| CN111322660B (en) * | 2020-03-11 | 2023-12-15 | 西安热工研究院有限公司 | Integrated absorption heat pump supercritical carbon dioxide circulating cogeneration system and method |
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| CN110056851B (en) | 2024-04-26 |
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