CN208998043U - It is a kind of to use supercritical CO2For the new test boiler of working medium - Google Patents
It is a kind of to use supercritical CO2For the new test boiler of working medium Download PDFInfo
- Publication number
- CN208998043U CN208998043U CN201821486785.8U CN201821486785U CN208998043U CN 208998043 U CN208998043 U CN 208998043U CN 201821486785 U CN201821486785 U CN 201821486785U CN 208998043 U CN208998043 U CN 208998043U
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- Prior art keywords
- reheater
- working medium
- superheater
- level
- economizer
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 230000003134 recirculating effect Effects 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 2
- 210000000038 chest Anatomy 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
It is a kind of to use supercritical CO2For the new test boiler of working medium, it is related to boiler plant field.To solve supercritical CO2For the low problem of the Brayton cycle operating parameter of working medium, a kind of high pilot boiler of operating parameter is provided.Described uses supercritical CO2New test boiler for working medium includes the gas burner being sequentially arranged, burner hearth, horizontal flue, damper, gas recirculating fan and air preheater；Arrangement two-stage superheater, primary superheater and superheater side shunt economizer in the right side flue of horizontal flue, and arrangement second level reheater, level-one reheater and reheater side shunt economizer in the flue of left side；The two bursts of a part that the 10% of working medium flow are divided into flow through superheater side and shunt economizer, and another part flows through reheater side simultaneously and shunts economizer；The working medium of 10%a is introduced into absorb heat and enter in steam turbine in air cooling wall after mixing before being gas-cooled wall entrance header with the working medium of remaining 90%a again and do work.
Description
Technical field
The utility model belongs to boiler plant field, more particularly to a kind of using supercritical CO2For the new test of working medium
Boiler.
Background technique
The efficiency that generating set is continuously improved is the eternal theme and target of power industry research.For electricity power enterprise
Speech, the cycle efficieny of system is higher, and the energy consumption of unit generated energy is lower, and corresponding energy-output ratio and pollutant discharge amount are just
It is lower.For traditional using steam Rankine cycle as the generating set of energy conversion system, if improving generating efficiency to 50% left side
The right side then needs to improve main steam condition to 700 DEG C, this, which means that, needs to spend high economic cost and time cost to grind
Send out nickel base superalloy novel.Supercritical CO 2 Brayton cycle is the new concept advanced power systems of great potential, can be effective
The technical bottleneck in terms of material is avoided, this is mainly due to supercritical CO 2s to have the characteristics that energy density is big, heat transfer efficiency is high,
Supercritical CO 2 Brayton cycle efficient power generation system can reach conventional steam Rankine cycle in 600 DEG C or so temperature ranges
700 DEG C of efficiency does not need novel high-temperature nickel-base alloy of redeveloping, and equipment size is less than the steam unit of same parameter, warp
Ji property is very good.
Currently, China's supercritical CO2Application study of the Brayton cycle on large capacity, high parameter thermoelectricity generating set is
At the early-stage, foreign countries have been set up some small-scale test systems, but operating parameter is generally lower, and super there is no high parameter faces
Boundary CO2New test boiler.
Utility model content
The utility model technical issues that need to address are: providing a kind of operating parameter high use supercritical CO2For work
The Brayton cycle new test boiler of matter.
The utility model to solve above-mentioned technical problem the technical solution adopted is that: it is described to use supercritical CO2For work
The new test boiler of matter includes the gas burner being sequentially arranged, burner hearth, horizontal flue, damper, flue gas recirculation wind
Machine and air preheater；
The gas burner is in the top of burner hearth；Horizontal flue and burner hearth are vertically arranged and form L-type arrangement side
Formula；Horizontal flue is twin flue arrangement, is sequentially arranged two-stage superheater, primary superheater and superheater side in the flue of right side
Economizer is shunted, second level reheater, level-one reheater and reheater side are sequentially arranged in the flue of left side and shunts economizer；
The damper is located at horizontal flue tail portion and shunts economizer and the shunting of reheater side in superheater side
The flue gas of extraction is introduced into the exit of air preheater by the exit of economizer, gas recirculating fan, mixed with First air
Enter in gas burner after conjunction；
The burner hearth is enclosed by air cooling wall, and the upper end of burner hearth is equipped with air cooling wall entrance header, and lower end is provided with
Be gas-cooled wall outlet header, and the inlet of primary superheater is equipped with superheater entrance header, and the exit of two-stage superheater was equipped with
Hot device outlet header；The inlet of level-one reheater is provided with reheater entrance header, and the exit of second level reheater is equipped with again
Hot device outlet header；
The superheater entrance header of the primary superheater inlet is connected with air cooling wall outlet header, level-one overheat
The outlet of device is connected with the entrance of two-stage superheater, the super-heater exit case and turbine high-pressure in two-stage superheater exit
The entrance of cylinder is connected；
The reheater entrance header of the level-one reheater inlet is connected with the outlet of steam turbine high-pressure cylinder, second level
The reheater outlet header in reheater exit is connected with the entrance of the low pressure (LP) cylinder of steam turbine；
If the flow of working medium is a, wherein the working medium of 10%a is divided into two strands, and a part flows through superheater side and shunts economizer,
Another part flows through reheater side simultaneously and shunts economizer；The working medium of the 10%a and the working medium of remaining 90%a are being gas-cooled
It is introduced into heat absorption in air cooling wall after mixing before wall entrance header, passes through primary superheater and two-stage superheater enters steam turbine
Acting in high pressure cylinder；
The working medium that function is finished in the slave steam turbine high-pressure cylinder flows through level-one reheater and second level reheater enters vapour
It does work in turbine low pressure (LP) cylinder.
The beneficial effects of the utility model are:
1, the utility model ensure that boiler output parameter reaches by the arrangement of boiler and the method for salary distribution of working medium
20MPa/600/600℃；
2, layout of boiler mode guarantees the safety of boiler operatiopn convenient for test and maintenance.
Detailed description of the invention
Fig. 1 is new test boiler side view；
Fig. 2 is horizontal flue top view；
Fig. 3 is supercritical CO2The transmission process figure of working medium.
Specific embodiment
Below with reference to the accompanying drawings and specific embodiments further illustrating the technical solution of the utility model includes:
Specific embodiment 1: illustrating present embodiment in conjunction with Fig. 1-3, supercritical CO is used described in present embodiment2
New test boiler for working medium includes the gas burner 1 being sequentially arranged, burner hearth 2, horizontal flue 3, damper 4, flue gas
Recirculation blower 5 and air preheater 6；
The gas burner 1 is in the top of burner hearth；Horizontal flue 3 and burner hearth 2 are vertically arranged and form L-type arrangement
Mode；Horizontal flue 3 is twin flue arrangement, is sequentially arranged two-stage superheater 3-1, primary superheater 3-2 in the flue of right side
Economizer 3-3 is shunted with superheater side, is sequentially arranged second level reheater 3-4, level-one reheater 3-5 and reheater in the flue of left side
Side shunts economizer 3-6；
The damper 4 is located at 3 tail portion of horizontal flue and shunts economizer 3-3 and reheater side in superheater side
The exit of economizer 3-6 is shunted, the flue gas of extraction is introduced into the exit of air preheater 6 by gas recirculating fan 5, with
Enter in gas burner 1 after First air mixing；
The burner hearth 2 is enclosed by air cooling wall, and the upper end of burner hearth 2 is equipped with air cooling wall entrance header, lower end setting
There is air cooling wall outlet header, the inlet of primary superheater 3-2 is equipped with superheater entrance header, the outlet of two-stage superheater 3-1
Place is equipped with super-heater exit case；The inlet of level-one reheater 3-5 is provided with reheater entrance header, second level reheater 3-4
Exit be equipped with reheater outlet header；
The superheater entrance header of the inlet primary superheater 3-2 is connected with air cooling wall outlet header, level-one
The outlet of superheater 3-2 is connected with the entrance of two-stage superheater 3-1, the superheater outlet collection in the exit two-stage superheater 3-1
Case is connected with the entrance of steam turbine high-pressure cylinder；
The reheater entrance header of the inlet level-one reheater 3-5 is connected with the outlet of steam turbine high-pressure cylinder,
The reheater outlet header in the exit second level reheater 3-4 is connected with the entrance of the low pressure (LP) cylinder of steam turbine；
If the flow of working medium is a, two strands are wherein divided into the working medium of 10%a, a part flows through the shunting of superheater side and saves coal
Device 3-3, another part flow through reheater side simultaneously and shunt economizer 3-6；The working medium of the 10%a is with remaining 90%a's
Working medium, which is introduced into air cooling wall after mixing before the wall entrance header that is gas-cooled, absorbs heat, and passes through primary superheater 3-2 and secondary superheater
Device 3-1 enters acting in steam turbine high-pressure cylinder；
Finished in the slave steam turbine high-pressure cylinder function working medium flow through level-one reheater 3-5 and second level reheater 3-4 into
Enter and does work into turbine low pressure cylinder.
The air cooling wall is formed by several rows of tube welding, the solid space that the air cooling pars intramuralis being welded into is formed
Burner hearth is constituted, is the flue gas that gas burner generates inside burner hearth.
It is as shown in Figure 3: supercritical CO210% point two strands in working medium flow through superheater side simultaneously and shunt economizer and reheating
Device side shunts economizer, then is entered after mixing with remaining 90% working medium by the wall entrance header that is gas-cooled and be gas-cooled wall (pipe)
In, then primary superheater sequentially entered by the wall outlet header that is gas-cooled, is heated in two-stage superheater, finally enter turbine high-pressure
It does work in cylinder；Supercritical CO after doing work in steam turbine high-pressure cylinder2Working medium successively passes through level-one reheater 3-5 and second level again again
Hot device 3-4 is heated, then into doing work in turbine low pressure cylinder.
The flue gas that gas burner generates passes sequentially through burner hearth and horizontal flue, and a portion flue gas passes through air preheat
Device discharge, another part flue gas pass through pipeline together with the air at air preheater outlet and are recycled into gas burner
In.
Specific embodiment 2: burner hearth 2 described in present embodiment is that the solid that vertical tube coil air cooling pars intramuralis is formed is empty
Between.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: the working medium of 10%a described in present embodiment is divided into two strands, half flows through superheater
Side shunts economizer 3-3, and half in addition flows through reheater side simultaneously and shunts economizer 3-6.
Other compositions and connection type are identical with embodiment two.
Specific embodiment 4: the flow a of working medium described in present embodiment is 290t/h.
Flow is the supercritical CO of 290t/h210% in working medium is equally divided into two strands while flowing through superheater side shunting province
Coal device and reheater side shunt economizer, then enter gas by air cooling wall entrance header after mix with remaining 90% working medium
In cold wall, then primary superheater sequentially entered by the wall outlet header that is gas-cooled, is heated in two-stage superheater, enters steam turbine height
Pressure before cylinder pressure is 20Mpa, finally enters in steam turbine high-pressure cylinder and does work；It is overcritical after doing work in steam turbine high-pressure cylinder
CO2Working medium is successively heated by level-one reheater 3-5 and second level reheater 3-4 again, then into turbine low pressure cylinder
Middle acting.
Other compositions and connection type are the same as the specific implementation mode 3.
Specific embodiment 5: working medium described in present embodiment adds by primary superheater 3-2 and two-stage superheater 3-1
The temperature that super-heater exit case is flowed out after heat is 600 DEG C.
Flow is the supercritical CO of 290t/h210% in working medium is equally divided into two strands while flowing through superheater side shunting province
Coal device and reheater side shunt economizer, then enter gas by air cooling wall entrance header after mix with remaining 90% working medium
In cold wall, then by the wall outlet header that is gas-cooled sequentially enter primary superheater, in two-stage superheater heating until entering steamer
Temperature before machine high pressure cylinder is 600 DEG C, pressure 20Mpa, finally enters in steam turbine high-pressure cylinder and does work；In steam turbine high-pressure cylinder
Supercritical CO after middle acting2Working medium is successively heated by level-one reheater 3-5 and second level reheater 3-4 again, then into
Enter and does work into turbine low pressure cylinder.
Other compositions and connection type are identical as specific embodiment four.
Specific embodiment 6: working medium described in present embodiment adds by level-one reheater 3-5 and second level reheater 3-4
The temperature that reheater outlet header is flowed out after heat is 600 DEG C.
Flow is the supercritical CO of 290t/h210% in working medium is equally divided into two strands while flowing through superheater side shunting province
Coal device and reheater side shunt economizer, then enter gas by air cooling wall entrance header after mix with remaining 90% working medium
In cold wall, then by the wall outlet header that is gas-cooled sequentially enter primary superheater, in two-stage superheater heating until entering steamer
Temperature before machine high pressure cylinder is 600 DEG C, pressure 20Mpa, finally enters in steam turbine high-pressure cylinder and does work；In steam turbine high-pressure cylinder
Supercritical CO after middle acting2Working medium successively heat until entering by level-one reheater 3-5 and second level reheater 3-4 again
Temperature before to turbine low pressure cylinder is 600 DEG C, then into doing work in turbine low pressure cylinder.
Other compositions and connection type are identical as specific embodiment five.
Claims (6)
1. a kind of use supercritical CO2For the new test boiler of working medium, it is characterised in that: including the fuel gas buring being sequentially arranged
Device (1), burner hearth (2), horizontal flue (3), damper (4), gas recirculating fan (5) and air preheater (6)；
The gas burner (1) is in the top of burner hearth；Horizontal flue (3) and burner hearth (2) are vertically arranged and form L-type cloth
Set mode；Horizontal flue (3) is twin flue arrangement, and two-stage superheater (3-1), level-one overheat are sequentially arranged in the flue of right side
Device (3-2) and superheater side shunt economizer (3-3), are sequentially arranged second level reheater (3-4), level-one reheater in the flue of left side
(3-5) and reheater side shunt economizer (3-6)；
The damper (4) is located at horizontal flue (3) tail portion and shunts economizer (3-3) and reheater in superheater side
Side shunts the exit of economizer (3-6), and the flue gas of extraction is introduced into air preheater (6) by gas recirculating fan (5)
Exit enters in gas burner (1) after mixing with First air；
The burner hearth (2) is enclosed by air cooling wall, and the upper end of burner hearth (2) is equipped with air cooling wall entrance header, lower end setting
There is air cooling wall outlet header, the inlet of primary superheater (3-2) is equipped with superheater entrance header, two-stage superheater (3-1)
Exit is equipped with super-heater exit case；The inlet of level-one reheater (3-5) is provided with reheater entrance header, second level reheating
The exit of device (3-4) is equipped with reheater outlet header；
The superheater entrance header of described inlet primary superheater (3-2) is connected with air cooling wall outlet header, level-one mistake
The outlet of hot device (3-2) is connected with the entrance of two-stage superheater (3-1), and the superheater in the exit two-stage superheater (3-1) goes out
Mouth header is connected with the entrance of steam turbine high-pressure cylinder；
The reheater entrance header of described inlet level-one reheater (3-5) is connected with the outlet of steam turbine high-pressure cylinder, and two
The reheater outlet header in grade exit reheater (3-4) is connected with the entrance of the low pressure (LP) cylinder of steam turbine；
If the flow of working medium is a, two strands are wherein divided into the working medium of 10%a, a part flows through superheater side and shunts economizer (3-
3), another part flows through reheater side shunting economizer (3-6) simultaneously；The work of the working medium of the 10%a and remaining 90%a
Matter, which is introduced into air cooling wall after mixing before the wall entrance header that is gas-cooled, absorbs heat, and passes through primary superheater (3-2) and secondary superheater
Device (3-1) enters acting in steam turbine high-pressure cylinder；
Finished in the slave steam turbine high-pressure cylinder function working medium flow through level-one reheater (3-5) and second level reheater (3-4) into
Enter and does work into turbine low pressure cylinder.
2. according to claim 1 use supercritical CO2For the new test boiler of working medium, it is characterised in that: the furnace
Thorax (2) is the solid space that vertical tube coil air cooling pars intramuralis is formed.
3. according to claim 2 use supercritical CO2For the new test boiler of working medium, it is characterised in that: described
The working medium of 10%a is divided into two strands, and half flows through superheater side and shunts economizer (3-3), and half in addition flows through again simultaneously
Hot device side shunts economizer (3-6).
4. according to claim 3 use supercritical CO2For the new test boiler of working medium, it is characterised in that: the work
The flow a of matter is 290t/h.
5. according to claim 4 use supercritical CO2For the new test boiler of working medium, it is characterised in that: working medium is passed through
The temperature that super-heater exit case is flowed out after primary superheater (3-2) and two-stage superheater (3-1) heating is 600 DEG C.
6. according to claim 5 use supercritical CO2For the new test boiler of working medium, it is characterised in that: working medium is passed through
The temperature that reheater outlet header is flowed out after level-one reheater (3-5) and second level reheater (3-4) heating is 600 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821486785.8U CN208998043U (en) | 2018-09-11 | 2018-09-11 | It is a kind of to use supercritical CO2For the new test boiler of working medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821486785.8U CN208998043U (en) | 2018-09-11 | 2018-09-11 | It is a kind of to use supercritical CO2For the new test boiler of working medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208998043U true CN208998043U (en) | 2019-06-18 |
Family
ID=66801234
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821486785.8U Withdrawn - After Issue CN208998043U (en) | 2018-09-11 | 2018-09-11 | It is a kind of to use supercritical CO2For the new test boiler of working medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208998043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844051A (en) * | 2018-09-11 | 2018-11-20 | 哈尔滨锅炉厂有限责任公司 | It is a kind of to use supercritical CO2For the new test boiler of working medium |
| CN110566994A (en) * | 2019-09-20 | 2019-12-13 | 哈尔滨锅炉厂有限责任公司 | supercritical carbon dioxide boiler furnace |
-
2018
- 2018-09-11 CN CN201821486785.8U patent/CN208998043U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844051A (en) * | 2018-09-11 | 2018-11-20 | 哈尔滨锅炉厂有限责任公司 | It is a kind of to use supercritical CO2For the new test boiler of working medium |
| CN110566994A (en) * | 2019-09-20 | 2019-12-13 | 哈尔滨锅炉厂有限责任公司 | supercritical carbon dioxide boiler furnace |
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