CN220081519U - Full-load peak regulation coal-fired power generation system - Google Patents
Full-load peak regulation coal-fired power generation system Download PDFInfo
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- CN220081519U CN220081519U CN202321412060.5U CN202321412060U CN220081519U CN 220081519 U CN220081519 U CN 220081519U CN 202321412060 U CN202321412060 U CN 202321412060U CN 220081519 U CN220081519 U CN 220081519U
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- 238000010248 power generation Methods 0.000 title claims abstract description 48
- 239000001257 hydrogen Substances 0.000 claims abstract description 187
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 187
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 178
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 142
- 239000001301 oxygen Substances 0.000 claims abstract description 142
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 142
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000000746 purification Methods 0.000 claims abstract description 44
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 150000002431 hydrogen Chemical class 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000001502 supplementing effect Effects 0.000 claims description 15
- 239000003245 coal Substances 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- PIYVNGWKHNMMAU-UHFFFAOYSA-N [O].O Chemical compound [O].O PIYVNGWKHNMMAU-UHFFFAOYSA-N 0.000 description 1
- 239000003011 anion exchange membrane Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model relates to a full-load peak regulation coal-fired power generation system, which comprises a coal-fired power generation system and an electrolyzed water hydrogen production system, wherein the coal-fired power generation system comprises a coal-fired boiler, a steam turbine, a generator and a booster station; the electrolytic water hydrogen production system comprises an electrolytic water system, a hydrogen purification system, an oxygen purification system, a hydrogen storage system and an oxygen storage system; and the booster station is electrically connected with the water electrolysis system. The scheme is characterized in that the coal-fired power generation system is matched with the scale of the water electrolysis hydrogen production system, so that the power supply load of the coal-fired power generation unit is reduced, the operation flexibility of the coal-fired power generation unit is improved, the full-load peak regulation function of the coal-fired power generation unit is realized, and meanwhile, reliable and high-quality hydrogen can be provided for surrounding cities and chemical plants of the power plant; in addition, the byproduct oxygen generated by water electrolysis hydrogen production can be sent into a coal-fired boiler to realize oxygen-enriched combustion of the boiler, so that the combustion can be stabilized to a certain extent, the boiler efficiency can be improved, and the carbon emission can be reduced.
Description
Technical Field
The utility model belongs to the field of coal-fired power generation systems, and particularly relates to a full-load peak shaving coal-fired power generation system.
Background
At present, the demands of the coal-fired generator set for participating in deep peak shaving of a power system and consuming renewable energy are increasingly prominent.
The peak regulation capability of the coal-fired power generating unit is mainly limited by the lowest stable combustion capability of the boiler, the lowest stable combustion load of the boiler of the large-scale coal-fired power generating unit at present is generally 30% -50% of rated load, and the lowest stable combustion load of the boiler can be reduced to 20% -30% of the rated load through technical upgrading and transformation. The unit load continues to go down, and a series of technical risks such as unstable boiler combustion, flameout, unsafe hydrodynamic force and unsafe heating surface are faced. Therefore, the depth, even full-load peak regulation, is realized by the technical upgrading of the coal-fired generator set, and the difficulty is extremely high.
Therefore, the existing coal-fired power generation system has the defects that the full-load peak regulation is difficult to realize by the technical upgrading of the coal-fired power generation system, and the existing coal-fired power generation system and the water electrolysis hydrogen production system are often mutually independent.
Disclosure of Invention
The full-load peak regulation coal-fired power generation system provided by the utility model has the advantages that the scale of the electrolytic water hydrogen production system is reasonably matched with that of the coal-fired power generation system, so that the power supply load of the coal-fired power generation unit is reduced, the operation flexibility of the coal-fired power generation unit is improved, the full-load peak regulation function of the coal-fired power generation unit is realized, and high-quality hydrogen and oxygen can be provided outside a plant.
The technical means adopted by the utility model are as follows:
the full-load peak regulation coal-fired power generation system comprises a coal-fired power generation system and an electrolyzed water hydrogen production system, wherein the coal-fired power generation system comprises a coal-fired boiler, a steam turbine connected with the coal-fired boiler, a generator connected with the steam turbine and a booster station connected with the generator; the electrolytic water hydrogen production system comprises an electrolytic water system, a hydrogen purification system and an oxygen purification system which are connected with the electrolytic water system, and a hydrogen storage system and an oxygen storage system which are respectively connected with the hydrogen purification system and the oxygen purification system; and the booster station is electrically connected with the water electrolysis system.
Preferably, the electrolytic water system comprises an electrolytic tank, a power supply system and a water supplementing system, wherein the electrolytic tank is respectively connected with the output end of the power supply system and the output end of the water supplementing system, and the input end of the power supply system is connected with the output end of the booster station.
Preferably, the power supply system comprises a transformer, a rectifier, the input end of the transformer is connected with the output end of the booster station, the output end of the transformer is connected with the input end of the rectifier, and the output end of the rectifier is connected with the electrolytic tank.
Preferably, the water replenishing system comprises a water tank and a water replenishing pump, wherein desalted water accessed from the coal-fired power generation system is stored in the water tank, the input end of the water replenishing pump is connected with the water tank, and the output end of the water replenishing pump is connected with the electrolytic tank.
Preferably, the hydrogen purification system comprises a hydrogen scrubber, a hydrogen cooler and a hydrogen water separator, wherein the input end of the hydrogen scrubber is connected with the hydrogen output end of the electrolytic tank, the output end of the hydrogen scrubber is connected with the input end of the hydrogen cooler, and the output end of the hydrogen cooler is connected with the input end of the hydrogen water separator.
Preferably, the hydrogen storage system comprises a hydrogen buffer tank, a hydrogen compressor, a hydrogen storage tank and a hydrogen distributor, wherein the input end of the hydrogen buffer tank is connected with the output end of the hydrogen cooler, the output end of the hydrogen buffer tank is connected with the input end of the hydrogen compressor, the output end of the hydrogen compressor is connected with the input end of the hydrogen storage tank, the output end of the hydrogen storage tank is connected with the input end of the hydrogen distributor, and the output end of the hydrogen distributor is connected with a hydrogen delivery system and a hydrogen user in a factory.
Preferably, the output end of the hydrogen distributor is connected to a hydrogen delivery system and the generator within the plant, and the hydrogen delivery system includes a hydrogen delivery conduit and a hydrogen delivery trailer disposed between the hydrogen storage distributor and an off-plant hydrogen consumer.
Preferably, the oxygen purification system comprises an oxygen scrubber, an oxygen cooler and an oxygen water separator, wherein the input end of the oxygen scrubber is connected with the oxygen output end of the electrolytic tank, the output end of the oxygen scrubber is connected with the input end of the oxygen cooler, and the output end of the oxygen cooler is connected with the input end of the oxygen water separator.
Preferably, the oxygen storage system comprises an oxygen storage tank and an oxygen pressure regulating device, wherein the input end of the oxygen storage tank is connected with the output end of the oxygen water separator, the output end of the oxygen storage tank is connected with the input end of the oxygen pressure regulating device, and the output end of the oxygen pressure regulating device is connected with an in-plant oxygen user and an out-plant oxygen user.
Preferably, the coal-fired boiler is provided with an oxygen-enriched burner and an oxygen heater, and the output end of the oxygen pressure regulating device is connected with the oxygen-enriched burner through the oxygen heater.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. according to the scheme, the coal-fired power generation system is matched with a proper water electrolysis system scale, so that the coal-fired power generation system can realize the functions of deep peak regulation and even full-load peak regulation, and the new energy is more favorably consumed by a power grid.
2. The power plant produces hydrogen through the water electrolysis hydrogen production system, has high purity and environmental protection, and can provide reliable and high-quality hydrogen for surrounding cities and chemical plants of the power plant.
3. The byproduct oxygen generated by water electrolysis in the scheme is sent into the coal-fired boiler to realize oxygen-enriched combustion of the boiler, so that the combustion can be stabilized to a certain extent, the boiler efficiency is improved, and the carbon emission is reduced.
Drawings
FIG. 1 is a schematic diagram of the full load peak shaving coal-fired power generation system of the present utility model.
Fig. 2 is a schematic structural view of an electrolytic water system.
FIG. 3 is a schematic diagram of the structure of a hydrogen purification system and an oxygen purification system.
Fig. 4 is a schematic structural diagram of a hydrogen storage system and a hydrogen delivery system.
Fig. 5 is a schematic structural view of an oxygen storage system.
Wherein:
1, a coal-fired power generation system;
11 coal-fired boiler; 11a an oxyfuel burner; 11b oxygen heater;
12, a steam turbine;
13 a generator;
14 a booster station;
2, a water electrolysis hydrogen production system;
a 21 electrolysis water system; 21a an electrolysis cell; 21b a power supply system; a 21b-1 transformer; 21b-2 rectifier; 21b-3 switch; 21b-4 cable; 21c a water supplementing system; 21c-1 water tank; 21c-2 water supplementing pump; 21c-3 water replenishing pipe; 21c-4 water replenishing valve;
22a hydrogen purification system; 22a hydrogen scrubber; 22b hydrogen cooler; 22c a hydrogen water separator; 22d hydrogen purification tubing; 22e hydrogen purification valve;
a hydrogen storage system 23; 23a hydrogen buffer tank; 23b a hydrogen compressor; 23c a hydrogen storage tank; a 23d hydrogen dispenser; 23e hydrogen storage pipeline; 23f hydrogen storage valve;
24 hydrogen delivery system; 24a hydrogen delivery pipe; 24b hydrogen delivery valve; 24c hydrogen transport trailer;
25 oxygen purification system; 25a oxygen scrubber; 25b oxygen cooler; 25c an oxygen water separator; 25d oxygen purification tubing; 25e oxygen purification valve;
an oxygen storage system 26; 26a an oxygen storage tank; 26b oxygen pressure regulating device; 26c an oxygen storage conduit; 26d oxygen storage valve.
Detailed Description
The utility model provides a full-load peak-shaving coal-fired power generation system, which is shown in figure 1 and comprises a coal-fired power generation system 1 and a water electrolysis hydrogen production system 2. The coal-fired power generation system 1 is matched with a proper water electrolysis hydrogen production system 2, so that the coal-fired power generation system 1 realizes full-load peak regulation.
The coal-fired power generation system 1 comprises a coal-fired boiler 11, a steam turbine 12 connected with the coal-fired boiler 11, a generator 13 connected with the steam turbine 12, and a booster station 14 connected with the generator 13; the steam generated by the coal-fired boiler 11 enters a steam turbine 12, the steam turbine 12 drives a generator 13 to generate electricity, and the electricity is boosted by a booster station 14 and then is sent into a power grid and the electrolyzed water hydrogen production system 2.
The electrolyzed water hydrogen production system 2 comprises an electrolyzed water system 21, a hydrogen purification system 22 and an oxygen purification system 25 which are connected with the electrolyzed water system 21, and a hydrogen storage system 23 and an oxygen storage system 26 which are respectively connected with the hydrogen purification system 22 and the oxygen purification system 25; and the booster station 14 is electrically connected with the electrolyzed water system 21, a part of the electricity boosted by the booster station 14 is connected into the electrolyzed water system 21 for producing hydrogen and oxygen, the hydrogen enters the hydrogen storage system 23 through the hydrogen purification system 22, then enters a user through the hydrogen transmission system 24, and the oxygen enters the oxygen storage system 26 through the oxygen purification system 25, and then enters the burner of the coal-fired boiler 11 after pressure regulation and heating.
The electricity load of the water electrolysis hydrogen production system 2 is comprehensively selected according to factors such as peak regulation depth requirement, hydrogen consumption requirement, plant electricity load and the like of the coal-fired power generation system 1; and the electrolytic water system 21 may employ alkaline water electrolysis, proton exchange membrane water electrolysis, solid polymer anion exchange membrane water electrolysis or solid oxide water electrolysis techniques.
Specifically, as shown in fig. 2, the electrolytic water system 21 includes an electrolytic tank 21a, a power supply system 21b, and a water replenishing system 21c, wherein the electrolytic tank 21a is connected to an output end of the power supply system 21b and an output end of the water replenishing system 21c, respectively, and an input end of the power supply system 21b is connected to an output end of the booster station 14.
The power supply system 21b includes a transformer 21b-1, a rectifier 21b-2, an input terminal of the transformer 21b-1 being connected to an output terminal of the booster station 14, an output terminal of the transformer 21b-1 being connected to an input terminal of the rectifier 21b-2, and an output terminal of the rectifier 21b-2 being connected to the electrolytic tank 21 a. The transformer 21b-1 is used for reducing the high-voltage power connected in the booster station 14 of the coal-fired power generation system 1 to a voltage level matched with the electrolytic water hydrogen production system 2; the rectifier 21b-2 is used for converting the alternating current generated by the transformer 21b-1 into qualified direct current and supplying power to the electrolytic bath 21a; and also has a switch 21b-3 and a cable 21b-4, the switch 21b-3 for connecting and disconnecting the booster station 14 with the transformer 21b-1; the cable 21b-4 is used for connecting the above-mentioned devices.
The water supplementing system 21c comprises a water tank 21c-1 and a water supplementing pump 21c-2, wherein desalted water which is connected from the coal-fired power generation system 1 is stored in the water tank 21c-1, the input end of the water supplementing pump 21c-2 is connected with the water tank 21c-1, the output end of the water supplementing pump 21c-2 is connected with an electrolytic tank 21a, and the water supplementing pump is used for pressurizing the desalted water sent from the water tank 21c-1 and then sending the desalted water into the electrolytic tank 21a; and the water replenishing system 21c further has a water replenishing pipe 21c-3 and a water replenishing valve 21c-4, the water replenishing pipe 21c-3 being for communicating the above-mentioned devices; the water replenishment valve 21c-4 is used to turn on and off the above-described apparatus.
And, in the present embodiment, the hydrogen purification system 22 and the oxygen purification system 25 are used to purify hydrogen gas, oxygen gas, and improve the purity thereof, respectively.
As shown in fig. 3, the hydrogen purification system 22 includes a hydrogen scrubber 22a, a hydrogen cooler 22b, and a hydrogen-water separator 22c, wherein an input end of the hydrogen scrubber 22a is connected to a hydrogen output end of the electrolyzer 21a, an output end of the hydrogen scrubber 22a is connected to an input end of the hydrogen cooler 22b, and an output end of the hydrogen cooler 22b is connected to an input end of the hydrogen-water separator 22 c. The hydrogen scrubber 22a is for scrubbing hydrogen gas generated from the electrolytic bath 21a; the hydrogen cooler 22b is used for cooling the hydrogen gas washed by the hydrogen washer 22 a; the hydrogen-water separator 22c is used for performing gas-liquid separation on the hydrogen gas discharged from the hydrogen cooler 22b, and then feeding the hydrogen gas into the hydrogen storage system 23. And the hydrogen purification system 22 further includes a hydrogen purification pipe 22d for connecting the above-described devices and a hydrogen purification valve 22e for opening and shutting off the above-described devices, the hydrogen purification pipe 22 d.
As shown in fig. 4, the hydrogen storage system 23 includes a hydrogen buffer tank 23a, a hydrogen compressor 23b, a hydrogen storage tank 23c, and a hydrogen distributor 23d, wherein the input end of the hydrogen buffer tank 23a is connected to the output end of the hydrogen cooler 22b, the output end of the hydrogen buffer tank 23a is connected to the input end of the hydrogen compressor 23b, the output end of the hydrogen compressor 23b is connected to the input end of the hydrogen storage tank 23c, and the output end of the hydrogen storage tank 23c is connected to the input end of the hydrogen distributor 23d, and the output end of the hydrogen distributor 23d is connected to a hydrogen delivery system 24 and hydrogen users in the plant. The hydrogen buffer tank 23a is used for buffering the hydrogen gas sent from the hydrogen purification system 22, and plays a role in stabilizing the pressure; the hydrogen compressor 23b is configured to pressurize the hydrogen gas discharged from the hydrogen buffer tank 23 a; the hydrogen storage tank 23c is used for storing the pressurized hydrogen; the hydrogen distributor 23d is used to distribute the hydrogen gas sent from the hydrogen storage tank 23c to the hydrogen delivery system 24 and the hydrogen users in the plant. And the hydrogen storage system 23 further includes a hydrogen storage pipe 23e for connecting the devices of the hydrogen storage system 23 and a hydrogen storage valve 23f for opening and shutting off the devices 23.
Preferably, the output of the hydrogen distributor 23d is connected to a hydrogen delivery system 24 and the generator 13 in the plant to deliver hydrogen to the plant hydrogen-cooled generator 13. And the hydrogen delivery system 24 includes a hydrogen delivery pipe 24a, a hydrogen delivery valve 24b, and a hydrogen delivery trailer 24c disposed between the hydrogen storage dispenser and an off-site hydrogen consumer. Wherein, the hydrogen delivery pipeline 24a is used for delivering the hydrogen stored in the hydrogen storage system 23 to a user in a pipeline mode; the hydrogen delivery valve 24b is used for opening and shutting off the hydrogen delivery pipe 24a; the hydrogen trailer 24c is used for delivering the hydrogen gas stored in the hydrogen storage system 23 to a user by means of automobile transportation.
And as shown in fig. 3, the oxygen purification system 25 comprises an oxygen scrubber 25a, an oxygen cooler 25b, and an oxygen separator 25c, wherein the input end of the oxygen scrubber 25a is connected to the oxygen output end of the electrolytic cell 21a, the output end of the oxygen scrubber 25a is connected to the input end of the oxygen cooler 25b, and the output end of the oxygen cooler 25b is connected to the input end of the oxygen separator 25 c. Wherein the oxygen scrubber 25a is for scrubbing oxygen generated by the electrolyzed water system 21; the oxygen cooler 25b is used for cooling the oxygen after the oxygen scrubber 25 a; the oxygen-water separator 25c is used for separating gas from liquid of the oxygen discharged from the oxygen cooler 25 b; then into an oxygen storage system 2626; and the oxygen purification system 25 further includes an oxygen purification pipe 25d and an oxygen purification valve 25e, the oxygen purification pipe 25d being used for connecting the apparatus of the above-mentioned oxygen purification system 25; the oxygen purification valve 25e is used to turn on and off the above-described apparatus.
The oxygen storage system 26 comprises an oxygen storage tank 26a and an oxygen pressure regulating device 26b, wherein the input end of the oxygen storage tank 26a is connected with the output end of the oxygen water separator 25c, the output end of the oxygen storage tank 26a is connected with the input end of the oxygen pressure regulating device 26b, and the output end of the oxygen pressure regulating device 26b is connected with an in-plant oxygen user and an out-plant oxygen user. Wherein the oxygen storage tank 26a is used for storing oxygen sent by the oxygen purification system 25; the oxygen pressure regulating device 26b is used for regulating the oxygen in the oxygen storage tank 26a to a proper pressure and flow rate and delivering the oxygen to a user; and the oxygen storage system 26 further includes an oxygen storage pipe 26c and an oxygen storage valve 26d, the oxygen storage pipe 26c being used for connecting with the above-mentioned equipment of the oxygen storage system 26; the oxygen storage valve 26d is used to turn on and off the above-described apparatus.
Preferably, as shown in fig. 1, the oxygen user in the plant is a coal-fired boiler 11, the coal-fired boiler 11 is provided with an oxygen-enriched burner 11a and an oxygen heater 11b, and the output end of the oxygen pressure regulating device 26b is connected with the oxygen-enriched burner 11a through the oxygen heater 11b, so that oxygen of the oxygen storage system 26 is connected into the oxygen-enriched burner 11a of the coal-fired boiler 11 through the oxygen heater, the stable combustion can be performed to a certain extent, the boiler efficiency is improved, and the carbon emission is reduced.
Claims (10)
1. The full-load peak regulation coal-fired power generation system is characterized by comprising a coal-fired power generation system (1) and an electrolyzed water hydrogen production system (2), wherein the coal-fired power generation system (1) comprises a coal-fired boiler (11), a steam turbine (12) connected with the coal-fired boiler (11), a generator (13) connected with the steam turbine (12) and a booster station (14) connected with the generator (13); the electrolytic water hydrogen production system (2) comprises an electrolytic water system (21), a hydrogen purification system (22) and an oxygen purification system (25) which are connected with the electrolytic water system (21), and a hydrogen storage system (23) and an oxygen storage system (26) which are respectively connected with the hydrogen purification system (22) and the oxygen purification system (25); and, the booster station (14) is electrically connected with the electrolyzed water system (21);
the electrolytic water system (21) comprises an electrolytic tank (21 a), a power supply system (21 b) and a water supplementing system (21 c), wherein the water supplementing system (21 c) comprises a water tank (21 c-1), and desalted water connected from the coal-fired power generation system (1) is stored in the water tank (21 c-1).
2. A full load peak shaving coal fired power generation system according to claim 1, characterized in that the electrolytic cell (21 a) is connected to the output of the power supply system (21 b) and the output of the water replenishing system (21 c), respectively, and the input of the power supply system (21 b) is connected to the output of the booster station (14).
3. A full load peak shaving coal fired power generation system according to claim 2, characterized in that the power supply system (21 b) comprises a transformer (21 b-1), a rectifier (21 b-2), the input of the transformer (21 b-1) being connected to the output of the booster station (14), the output of the transformer (21 b-1) being connected to the input of the rectifier (21 b-2), the output of the rectifier (21 b-2) being connected to the electrolyzer (21 a).
4. The full-load peak shaving coal-fired power generation system according to claim 2, wherein the water supplementing system (21 c) comprises a water tank (21 c-1) and a water supplementing pump (21 c-2), the input end of the water supplementing pump (21 c-2) is connected with the water tank (21 c-1), and the output end of the water supplementing pump (21 c-2) is connected with the electrolytic tank (21 a).
5. The full-load peak shaving coal-fired power generation system according to claim 2, wherein the hydrogen purification system (22) comprises a hydrogen scrubber (22 a), a hydrogen cooler (22 b) and a hydrogen-water separator (22 c), wherein the input end of the hydrogen scrubber (22 a) is connected with the hydrogen output end of the electrolysis cell (21 a), the output end of the hydrogen scrubber (22 a) is connected with the input end of the hydrogen cooler (22 b), and the output end of the hydrogen cooler (22 b) is connected with the input end of the hydrogen-water separator (22 c).
6. The full-load peak shaving coal-fired power generation system according to claim 5, wherein the hydrogen storage system (23) comprises a hydrogen buffer tank (23 a), a hydrogen compressor (23 b), a hydrogen storage tank (23 c) and a hydrogen distributor (23 d), wherein the input end of the hydrogen buffer tank (23 a) is connected with the output end of the hydrogen cooler (22 b), the output end of the hydrogen buffer tank (23 a) is connected with the input end of the hydrogen compressor (23 b), the output end of the hydrogen compressor (23 b) is connected with the input end of the hydrogen storage tank (23 c), and the output end of the hydrogen storage tank (23 c) is connected with the input end of the hydrogen distributor (23 d), and the output end of the hydrogen distributor (23 d) is connected with a hydrogen delivery system (24) and hydrogen users in a factory.
7. The full load peak shaving coal fired power generation system according to claim 6, wherein the output end of the hydrogen distributor (23 d) is connected to a hydrogen delivery system (24) and the generator (13) in the plant, and the hydrogen delivery system (24) comprises a hydrogen delivery pipe (24 a) and a hydrogen delivery trailer (24 c) provided between the hydrogen distributor (23 d) and the off-plant hydrogen user.
8. The full-load peak shaving coal-fired power generation system according to claim 2, wherein the oxygen purification system (25) comprises an oxygen scrubber (25 a), an oxygen cooler (25 b) and an oxygen water separator (25 c), wherein the input end of the oxygen scrubber (25 a) is connected to the oxygen output end of the electrolytic cell (21 a), the output end of the oxygen scrubber (25 a) is connected to the input end of the oxygen cooler (25 b), and the output end of the oxygen cooler (25 b) is connected to the input end of the oxygen water separator (25 c).
9. The full-load peak shaving coal-fired power generation system according to claim 8, wherein the oxygen storage system (26) comprises an oxygen storage tank (26 a) and an oxygen pressure regulating device (26 b), wherein the input end of the oxygen storage tank (26 a) is connected with the output end of the oxygen water separator (25 c), the output end of the oxygen storage tank (26 a) is connected with the input end of the oxygen pressure regulating device (26 b), and the output end of the oxygen pressure regulating device (26 b) is connected with an in-plant oxygen user and an out-plant oxygen user.
10. The full-load peak shaving coal-fired power generation system according to claim 9, wherein the coal-fired boiler (11) is provided with an oxygen-enriched burner (11 a) and an oxygen heater (11 b), and the output end of the oxygen pressure regulating device (26 b) is connected with the oxygen-enriched burner (11 a) through the oxygen heater (11 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412060.5U CN220081519U (en) | 2023-06-05 | 2023-06-05 | Full-load peak regulation coal-fired power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412060.5U CN220081519U (en) | 2023-06-05 | 2023-06-05 | Full-load peak regulation coal-fired power generation system |
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| CN220081519U true CN220081519U (en) | 2023-11-24 |
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| CN202321412060.5U Active CN220081519U (en) | 2023-06-05 | 2023-06-05 | Full-load peak regulation coal-fired power generation system |
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