CN115653711A - Nuclear power and thermal power coupling power generation system and operation method - Google Patents
Nuclear power and thermal power coupling power generation system and operation method Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 27
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003245 coal Substances 0.000 claims abstract description 30
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 25
- 230000023556 desulfurization Effects 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
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- 239000002699 waste material Substances 0.000 claims description 9
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- 238000004065 wastewater treatment Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
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- 230000004992 fission Effects 0.000 description 1
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- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 description 1
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Abstract
The invention provides a nuclear power and thermal power coupling power generation system and an operation method, wherein the nuclear power and thermal power coupling power generation system at least comprises the following components: the system comprises a first nuclear island, a first thermal power station steam turbine room, a second thermal power station steam turbine room and a second nuclear island which are sequentially arranged along a first direction, wherein the first thermal power station steam turbine room and the second thermal power station steam turbine room are arranged along a second direction; along a second direction, a first boiler room and a first dust removal and desulfurization device are sequentially arranged on the first side of the first thermal power station steam turbine room outwards, and a second boiler room and a second dust removal and desulfurization device are sequentially arranged on the first side of the second thermal power station steam turbine room outwards; one side of the coal conveying device is used for receiving coal in a coal yard, and the other side of the coal conveying device is connected with or opposite to the dust removal and desulfurization facility and is used for conveying the coal to the first dust removal and desulfurization device and the second dust removal and desulfurization device; the invention effectively solves the problems of high nuclear power investment cost, weak competitiveness and more carbon emission of thermal power units, and realizes the cascade utilization of energy.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to a nuclear power and thermal power coupling power generation system and an operation method.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
Nuclear power plants are systems and devices that convert nuclear energy released by nuclear fission into electrical energy by burning uranium 235. Practice proves that nuclear power is safe, reliable, clean and efficient energy. The development of nuclear power has very important strategic significance for meeting the power demand, optimizing the energy structure, guaranteeing the energy safety and promoting the sustainable development of economy; meanwhile, nuclear power generation is an effective way for reducing environmental pollution and realizing coordinated development of economy and ecological environment, is an important measure for maintaining the integrity of a nuclear industry system and promoting the upgrading of equipment manufacturing industry, and is a necessary choice following the world energy utilization trend.
Nuclear power has the characteristics of cleanness, environmental protection, large quantity, stable output and low fuel cost, but nuclear power engineering has high manufacturing cost and long period, output energy mainly takes medium and low temperature as main energy, and the efficiency is relatively low; the thermal power has the characteristics of small energy density, low construction cost, short period, high efficiency and high efficiency, and the output energy mainly takes high temperature, but the thermal power engineering has the problems of more pollutant emission and high fuel cost.
The inventor finds that the nuclear power station and the thermal power station are independently designed by being limited by barriers in the field of industrial design, so that the problems of scattered arrangement, large occupied area, unreasonable system connection and repeated construction of auxiliary and accessory facilities exist, and great resource waste is caused.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a nuclear power and thermal power coupling power generation system and an operation method, the nuclear power and thermal power coupling arrangement effectively solves the problems of high investment cost, weak competitiveness and more carbon emission of thermal power units of nuclear power, realizes energy cascade utilization, fully exerts the characteristics of the nuclear power and the thermal power, integrates the advantages of both parties, improves the overall utilization level of energy, realizes high fusion and high-efficiency integration of the system, has the advantages of compact arrangement, land occupation saving and close and reasonable connection between the systems, and greatly saves land resources.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a nuclear power and thermal power coupled power generation system in a first aspect.
A nuclear power and thermal power coupling power generation system at least comprises:
the system comprises a first nuclear island, a first thermal power station steam turbine room, a second thermal power station steam turbine room and a second nuclear island which are sequentially arranged along a first direction, wherein the first thermal power station steam turbine room and the second thermal power station steam turbine room are arranged along a second direction;
along a second direction, a first boiler room and a first dust removal and desulfurization device are sequentially arranged on the first side of the first thermal power station steam turbine room outwards, and a second boiler room and a second dust removal and desulfurization device are sequentially arranged on the first side of the second thermal power station steam turbine room outwards;
one side of the coal conveying device is used for receiving coal in a coal yard, and the other side of the coal conveying device is connected with or opposite to the dust removal and desulfurization facility and is used for conveying the coal to the first dust removal and desulfurization device and the second dust removal and desulfurization device.
As an optional implementation mode, a centralized control room is arranged between the first thermal power station steam turbine room and the second thermal power station steam turbine room.
As an optional implementation manner, along the second direction, a first side of the first nuclear island is provided with a first nuclear island supporting attachment, and a second side of the second nuclear island is provided with a second nuclear island supporting attachment.
By way of further limitation, a chimney is arranged on the first side of the first nuclear island supporting attachment mechanism along the second direction.
By way of further limitation, the first side of the chimney is provided with three waste zones along the second direction.
As a further limitation, along the first direction, a coal conveying mechanism, a coal yard, a comprehensive overhaul factory building and a warehouse are sequentially arranged on the fourth side of the three waste areas outwards.
As a further limitation, a water treatment mechanism, a guard barracks, a fire station, an emergency command center and a pre-factory office area are sequentially arranged on the second side of the comprehensive overhaul factory building and the warehouse outwards along the second direction.
As a further limitation, along the first direction, a circulating water pump room, a transformer, a booster station and a containment module assembling site are sequentially arranged on the third side of the pre-factory office area outwards.
As a further limitation, the intersection position of the emergency command center and the office area in front of the plant is a main road for entering the plant, and the intersection position of the comprehensive overhaul plant, the warehouse and the water treatment mechanism is an emergency road.
As a further limitation, a wastewater treatment plant is disposed on a first side of the second nuclear island associated attachment along the second direction.
The second aspect of the present invention provides a method for operating a nuclear power and thermal power coupled power generation system, wherein the nuclear power and thermal power coupled power generation system according to the first aspect of the present invention comprises the following steps:
the feedwater is heated and evaporated in the nuclear island to form saturated steam or micro superheated steam with lower temperature, and then the steam of the two furnaces is output;
one path of the steam is output to a low-temperature convection superheater of a boiler room, and the flue gas heats the lower-temperature saturated steam or slightly superheated steam output from the nuclear island through the low-temperature convection superheater; the other path of steam is output to a wall type superheater for heating, and the two paths of heated steam are converged at an inlet of the high-temperature convection superheater and further heated into highly superheated steam in the high-temperature convection superheater;
the highly superheated steam output from the outlet of the high-temperature convection superheater enters a high-pressure steam turbine cylinder in a steam turbine room of a thermal power station to do work and drive a generator to generate power, the exhaust steam of the high-pressure steam turbine cylinder enters a low-pressure steam turbine cylinder to further do work and drive the generator to generate power, and the power is boosted by a transformer and a boosting station and then output to a power grid system.
Compared with the prior art, the invention has the beneficial effects that:
1. the nuclear power and thermal power coupled power generation system disclosed by the invention is arranged in a nuclear power and thermal power coupled manner, so that the problems of high investment cost, weak competitiveness and more carbon emission of thermal power units in nuclear power are effectively solved, the energy gradient utilization is realized, and the characteristics of the nuclear power and the thermal power are fully exerted.
2. The nuclear power and thermal power coupling power generation system provided by the invention has the advantages that the advantages of the nuclear power and the thermal power coupling arrangement are integrated, the integral utilization level of energy is improved, the high integration and the high-efficiency integration of the system are realized, the advantages of compact arrangement, land occupation saving and close and reasonable inter-system connection are realized, and the land resource is greatly saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a nuclear power engineering process flow provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of a thermal power engineering process flow provided in embodiment 1 of the present invention;
fig. 3 is a schematic layout diagram of a nuclear power and thermal power coupled power generation system provided in embodiment 1 of the present invention;
wherein, 1, nuclear island; 2. a nuclear island matching auxiliary mechanism; 3. a wastewater treatment plant; 4. a third waste zone; 5. assembling sites of the safety shell modules; 6. a transformer and a booster station; 7. a circulating water pump house; 8. a guard barracks; 9. entering a main road of a factory; 10. an emergency road; 11. a thermal power station steam turbine room; 12. a centralized control building; 13. a boiler room; 14. a dust removal and desulfurization unit; 15. a chimney; 16. a circular coal yard; 17. a coal conveying mechanism; 18. comprehensively overhauling a factory building and a warehouse; 19. a water treatment mechanism; 20. a fire station; 21. an emergency command center; 22. a pre-factory office area.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the invention may be combined with each other without conflict.
Example 1:
as described in the background art, in the prior art, a 'nuclear power and thermal power' integrated development concept is not established, a scientific and reasonable design for promoting the innovative fusion development of a power project is not established, and an effective solution for nuclear power and thermal power coupling arrangement is not provided. .
The conventional nuclear power generation system mainly includes: the process flow diagram of nuclear power engineering is shown in fig. 1, wherein the process flow diagram is shown in the figure, and the process flow diagram is used for a nuclear island (facility in a containment vessel), a conventional island (a steam engine room), circulating cooling water, a generator, a transformer substation, other BOP facilities and the like.
The conventional thermal power generation system mainly includes: the technological process of the thermal power engineering is shown in figure 2, wherein the technological process comprises a steam turbine room, a boiler room, a dust removal and desulfurization facility, a chimney, a coal yard, circulating cooling water, a generator, a transformer substation, other BOP facilities and the like.
As shown in fig. 3, in this embodiment, the nuclear power and thermal power coupling scheme is arranged according to a general idea that the process flow is reasonable, the system connection is smooth and convenient, and the safety, reliability and efficiency are high; wherein, the clear distance between the nuclear island 1 (including safety important buildings and structures) and the chimney 15 refers to the requirement design of the nuclear island and the cooling tower of the general plane and transportation design Specification of the nuclear power plant (GB/T50294), namely the clear distance is not less than 1.0H (H is the height of the chimney); the clear distance between the nuclear island 1 (including safety important buildings and structures) and other buildings and structures is implemented according to the general plane and transportation design Specification of Nuclear Power plants (GB/T50294), and the specific coupling arrangement scheme is as follows:
s1: linking and coupling process systems: the existing nuclear island design is selected, steam keeps pressure unchanged and temperature is improved from about 280 ℃ to about 620 ℃ through secondary heating on the basis of not reducing nuclear safety level and not changing prokaryotic island design, so that the efficiency of a steam turbine generator unit is improved, the characteristics of large nuclear power quantity and high thermal power parameters are fully utilized, the longitudinal arrangement of a steam turbine room 11 of a conventional thermal power station is changed into transverse arrangement, and the nuclear island 1 is arranged outside a steam turbine room A column, so that the joint coupling between the nuclear power nuclear island and a thermal power main plant (conventional island) thermodynamic system is realized, and a complete power generation system is formed;
s2: and (3) auxiliary building function integration: the comprehensive office building, the operation and maintenance technology support building, the dining hall and the fire station of the nuclear power station are integrated with the buildings with the same functions, such as the production and administration office building, the overhaul bay material warehouse, the employee dining hall, the fire-fighting garage and the like of the thermal power station respectively, so that the number and the area of newly built auxiliary buildings are greatly reduced;
s3: auxiliary building expansion combination: auxiliary buildings with similar functions, such as production water treatment facilities, living water treatment facilities, fire water facilities and the like of the nuclear power station and the thermal power station, are combined and arranged to form a water management center, so that the problems of large occupied area and waste of land resources caused by scattered arrangement of the facilities are solved.
S4: highly fusing off-plant facilities: the facilities outside the nuclear power station and the thermal power station, such as circulating water taking (discharging) facilities, station entering roads, water supply pipelines outside the plant and power sending lines outside the plant are highly integrated, so that repeated construction is avoided, and the engineering investment is reduced.
Specifically, the arrangement is as follows:
defining: the first direction is the horizontal direction, and the second direction is vertical direction, and the first side of each equipment or mechanism is the left side, and the second side is the right side, and the third side is the front side, and the fourth side is the rear side.
In this embodiment, the nuclear island 1 includes a first nuclear island and a second nuclear island, the thermal power station steam turbine room 11 includes a first thermal power station steam turbine room and a second thermal power station steam turbine room, the boiler room 13 includes a first boiler room and a second boiler room, the dust removal and desulfurization device 14 includes a first dust removal and desulfurization device and a second dust removal and desulfurization device, and the nuclear island mating attachment mechanism 2 includes a first nuclear island mating attachment mechanism and a second nuclear island mating attachment mechanism;
the whole plant is arranged in a rectangular shape, a first nuclear island, a first thermal power station steam turbine room, a second thermal power station steam turbine room and a second nuclear island are sequentially arranged along a first direction, and the first thermal power station steam turbine room and the second thermal power station steam turbine room are arranged along a second direction;
along a second direction, a first boiler room and a first dust removal and desulfurization device are sequentially arranged outwards on a first side of the first thermal power station steam turbine room, and a second boiler room and a second dust removal and desulfurization device are sequentially arranged outwards on a first side of the second thermal power station steam turbine room;
one side of the coal conveying device is used for receiving coal in a coal yard, and the other side of the coal conveying device is connected with or opposite to the dust removal and desulfurization facility and is used for conveying the coal to the first dust removal and desulfurization device and the second dust removal and desulfurization device.
In this embodiment, a centralized control room 12 is arranged between the first thermal power station steam turbine room and the second thermal power station steam turbine room.
In this embodiment, along the second direction, a first side (i.e., the left side) of the first nuclear island is provided with a first nuclear island supporting attachment mechanism, and a second side of the second nuclear island is provided with a second nuclear island supporting attachment mechanism.
In this embodiment, a chimney 15 is disposed along the second direction on a first side (i.e., left side) of the first nuclear island mating attachment.
In this embodiment, along the second direction, the first side of the chimney 15 is provided with three waste zones 4.
In this embodiment, along the first direction, the fourth side (i.e. the rear side) of the three-waste area 4 is sequentially provided with a coal conveying mechanism 17, a circular coal yard 16, and a comprehensive overhaul factory building and warehouse 18.
Along the second direction, the second side (i.e., the right side) of the comprehensive overhaul plant and warehouse 18 is provided with a water treatment mechanism 19, a guard barracks 8, a fire station 20, an emergency command center 21 and a pre-plant office area 22 in sequence.
Along the first direction, a circulating water pump room 7, a transformer and booster station 6 and a containment module assembling site 5 are sequentially arranged on the third side (namely the front side) of the pre-factory office area 22 outwards.
The intersection position of the emergency command center 21 and the factory front office area 22 is a factory entrance main road 9, and the intersection position of the comprehensive overhaul factory building and warehouse 18 and the water treatment mechanism 19 is an emergency road 10.
In this embodiment, the three-waste area 4, the circular coal yard 16 and the comprehensive overhaul factory building and warehouse 18 are all arranged at the left side edge of the rectangular factory area, the comprehensive overhaul factory building and warehouse 18, the water treatment mechanism 19, the guard barracks 8, the fire station 20, the emergency command center 21 and the pre-factory office area 22 are all arranged at the rear side edge of the rectangular factory area, and the pre-factory office area 22, the circulating water pump house 7, the transformer and the booster station 6 and the safety shell module assembling field 5 are all arranged at the right side edge of the rectangular factory area.
According to the invention, by means of linkage coupling of the process systems, the steam turbine generator unit of the nuclear power conventional island can use the same type of equipment as that of the thermal power ultra-supercritical unit, and the operation, maintenance and spare part costs are reduced. At present, the conventional island for nuclear power of the same level has poor equipment universality, each spare part is about 1 hundred million yuan, and after nuclear power is coupled with thermal power, the conventional island spare parts for the nuclear power generating unit can be commonly used with the thermal power generating unit, so that the number of spare parts can be greatly reduced;
according to the invention, by means of the function integration of the auxiliary buildings and the centralized arrangement of the office and living areas, the number and the building area of newly built auxiliary buildings are reduced, and the building investment is saved by about 1600 ten thousand yuan;
the facilities with the same functions of taking and draining water from the outside of the plant, entering the station, being power-line outgoing and the like are highly integrated, so that the repeated construction is avoided, and the engineering investment can be reduced by about 3200 ten thousand yuan;
the invention has the advantages that through measures of process system connection coupling, auxiliary building function integration, auxiliary building expansion combination, high integration of off-plant facilities and the like, intensive and compact arrangement is realized, the nuclear power and thermal power coupling arrangement scheme can save the occupied area by about 14.5 hectares compared with the conventional independent arrangement, the land saving rate reaches 22.3 percent, and the investment is saved by about 2610 ten thousand yuan;
the invention can reduce the total length of various pipelines connected between nuclear power and thermal power systems by about 13km, and save the investment by about 1560 ten thousand yuan;
the invention can reduce the number of buildings in the factory, reduce the number of workers, improve the efficiency, save energy and reduce consumption.
Example 2:
the embodiment 2 of the invention provides an operation method of a nuclear power and thermal power coupled power generation system, and the nuclear power and thermal power coupled power generation system utilizing the embodiment 1 of the invention comprises the following processes:
the feedwater is heated and evaporated in the nuclear island to form saturated steam or micro superheated steam with lower temperature, and then the steam of the two furnaces is output;
one path of the steam is output to a low-temperature convection superheater of a boiler room, and the flue gas heats the lower-temperature saturated steam or slightly superheated steam output from the nuclear island through the low-temperature convection superheater; the other path of steam is output to a wall type superheater for heating, and the two paths of heated steam are converged at an inlet of the high-temperature convection superheater and further heated into highly superheated steam in the high-temperature convection superheater;
the high superheated steam output from the outlet of the high-temperature convection superheater enters a high-pressure steam turbine cylinder in a steam turbine room of the thermal power station to do work and drive a generator to generate power, the exhaust steam of the high-pressure steam turbine cylinder enters a low-pressure steam turbine cylinder to further do work and drive the generator to generate power, and the power is boosted by a transformer and a boosting station and then output to a power grid system.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A nuclear power and thermal power coupling power generation system is characterized in that:
at least comprises the following steps:
the system comprises a first nuclear island, a first thermal power station steam turbine room, a second thermal power station steam turbine room and a second nuclear island which are sequentially arranged along a first direction, wherein the first thermal power station steam turbine room and the second thermal power station steam turbine room are arranged along a second direction;
along a second direction, a first boiler room and a first dust removal and desulfurization device are sequentially arranged on the first side of the first thermal power station steam turbine room outwards, and a second boiler room and a second dust removal and desulfurization device are sequentially arranged on the first side of the second thermal power station steam turbine room outwards;
one side of the coal conveying device is used for receiving coal of a coal yard, and the other side of the coal conveying device is connected with or opposite to the dust removal and desulfurization facility and is used for conveying the coal to the first dust removal and desulfurization device and the second dust removal and desulfurization device.
2. The nuclear and thermal power coupled generation system of claim 1, wherein:
a centralized control room is arranged between the first thermal power station steam turbine room and the second thermal power station steam turbine room.
3. The nuclear and thermal power coupled power generation system of claim 1, wherein:
along a second direction, a first side of the first nuclear island is provided with a first nuclear island supporting auxiliary mechanism, and a second side of the second nuclear island is provided with a second nuclear island supporting auxiliary mechanism.
4. The nuclear and thermal power coupled power generation system of claim 3, wherein:
and along the second direction, a chimney is arranged on the first side of the first nuclear island matching attachment mechanism.
5. The nuclear and thermal power coupled power generation system of claim 4, wherein:
along the second direction, the first side of the chimney is provided with three waste areas.
6. The nuclear and thermal power coupled power generation system of claim 5, wherein:
along the first direction, the fourth side of three useless districts is outwards equipped with coal conveying mechanism, coal yard and comprehensive overhaul factory building and warehouse in proper order.
7. The nuclear and thermal power coupled power generation system of claim 6, wherein:
along the second direction, the second side of comprehensive overhaul factory building and warehouse is outwards equipped with water treatment mechanism, guard's barracks, fire station, emergency command center and the office area before the factory in proper order.
8. The nuclear and thermal power coupled generation system of claim 7, wherein:
along the first direction, a circulating water pump room, a transformer, a booster station and a containment module assembling site are sequentially arranged outside the third side of the pre-factory office area;
the intersection position of the emergency command center and the office area before the factory is a factory entrance main road, and the intersection position of the comprehensive overhaul factory building, the warehouse and the water treatment mechanism is an emergency road.
9. The nuclear and thermal power coupled generation system of claim 3, wherein:
and a wastewater treatment plant is arranged on the first side of the auxiliary mechanism matched with the second nuclear island along the second direction.
10. An operation method of a nuclear power and thermal power coupling power generation system is characterized in that:
a nuclear and thermal power coupled power generation system using any one of claims 1 to 9, comprising the process of:
the feedwater is heated and evaporated in the nuclear island to form saturated steam or micro superheated steam with lower temperature, and then the steam of the two furnaces is output;
one path of the steam is output to a low-temperature convection superheater of a boiler room, and the flue gas heats the lower-temperature saturated steam or slightly superheated steam output from the nuclear island through the low-temperature convection superheater; the other path of steam is output to a wall type superheater for heating, and the two paths of heated steam are converged at an inlet of the high-temperature convection superheater and further heated into highly superheated steam in the high-temperature convection superheater;
the highly superheated steam output from the outlet of the high-temperature convection superheater enters a high-pressure steam turbine cylinder in a steam turbine room of a thermal power station to do work and drive a generator to generate power, the exhaust steam of the high-pressure steam turbine cylinder enters a low-pressure steam turbine cylinder to further do work and drive the generator to generate power, and the power is boosted by a transformer and a boosting station and then output to a power grid system.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203961365U (en) * | 2014-06-13 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power station nuclear island factory building underground hole group is perpendicular to the Construction Arrangement of massif depth direction |
| WO2018099345A1 (en) * | 2016-11-29 | 2018-06-07 | 武汉都市环保工程技术股份有限公司 | Low calorific value coal gas power generation system and power generation method |
| CN110500567A (en) * | 2018-05-16 | 2019-11-26 | 山东电力工程咨询院有限公司 | A kind of efficient nuclear energy uses system and method |
| CN210217260U (en) * | 2019-07-05 | 2020-03-31 | 华润电力（沧州运东）有限公司 | Thermal power plant |
-
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- 2022-09-23 CN CN202211165685.6A patent/CN115653711A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203961365U (en) * | 2014-06-13 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power station nuclear island factory building underground hole group is perpendicular to the Construction Arrangement of massif depth direction |
| WO2018099345A1 (en) * | 2016-11-29 | 2018-06-07 | 武汉都市环保工程技术股份有限公司 | Low calorific value coal gas power generation system and power generation method |
| CN110500567A (en) * | 2018-05-16 | 2019-11-26 | 山东电力工程咨询院有限公司 | A kind of efficient nuclear energy uses system and method |
| CN210217260U (en) * | 2019-07-05 | 2020-03-31 | 华润电力（沧州运东）有限公司 | Thermal power plant |
Non-Patent Citations (1)
| Title |
|---|
| 《岭澳核电工程实践与创新》编辑委员会: "岭澳核电工程实践与创新 设计自主化及设备监造卷", vol. 1, 31 July 2003, 原子能出版社, pages: 396 - 401 * |
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