CN210289860U - Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat - Google Patents
Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat Download PDFInfo
- Publication number
- CN210289860U CN210289860U CN201920975580.4U CN201920975580U CN210289860U CN 210289860 U CN210289860 U CN 210289860U CN 201920975580 U CN201920975580 U CN 201920975580U CN 210289860 U CN210289860 U CN 210289860U
- Authority
- CN
- China
- Prior art keywords
- molten salt
- steam
- enters
- heat
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 197
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000005338 heat storage Methods 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 238000000605 extraction Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A two-stage series thermoelectric peak regulation system utilizing molten salt heat storage comprises a boiler system, a steam turbine power generation system and a molten salt heat exchange system; the boiler system comprises a boiler superheater, a reheater and an economizer; the steam turbine system comprises a high pressure cylinder, a medium pressure cylinder, a low pressure cylinder and a power generation device which are connected in sequence; the molten salt heat exchange system comprises a main steam molten salt heat exchanger, a reheat steam molten salt heat exchanger, a hot salt tank, a cold salt tank and a molten salt steam generator; the steam of the superheater and the reheater does work to drive a steam turbine power generation system; the other part of the steam at the outlet of the superheater enters a main steam molten salt heat exchanger for heat release; the other part of the reheater outlet steam enters a reheated steam molten salt heat exchanger for heat release; the molten salt in the cold salt tank sequentially enters the reheat steam molten salt heat exchanger and the main steam molten salt heat exchanger for heat exchange and then enters the hot salt tank, the molten salt in the hot salt tank exchanges heat and heats circulating water, and the molten salt after heat exchange enters the cold salt tank. The utility model discloses a two-stage series connection to main steam and reheat steam utilizes, realizes the high-efficient step utilization of steam, has promoted the flexibility of thermal power plant boiler side operation.
Description
Technical Field
The utility model relates to an energy storage technical field especially relates to fused salt energy storage in the application of thermal power plant's boiler side flexibility transformation.
Background
With the reduction and gear shifting of social power consumption, the utilization hours of thermal power generating units, particularly coal power generating units, are continuously reduced, the generated energy of new energy and renewable energy is continuously and rapidly increased, the consumption capacity of a power grid to the installed capacity of the new energy and the renewable energy is obviously insufficient, and the problems of wind abandonment, light abandonment and water abandonment are severe in some regions, so that huge energy waste is caused.
Therefore, the energy technology innovation is accelerated, the peak regulation potential of the coal-fired unit is exploited, the thermal power operation flexibility is improved, the thermoelectric decoupling is realized, and the peak regulation and new energy consumption capabilities of the power system are comprehensively improved, so that the method becomes an important current subject.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the utility model provides a two-stage series thermoelectric peak regulation system utilizing fused salt for heat storage.
(II) the adopted technical scheme
A two-stage series thermoelectric peak regulation system utilizing molten salt heat storage comprises a boiler system, a steam turbine power generation system and a molten salt heat exchange system;
the boiler system comprises a boiler superheater, a reheater and an economizer;
the steam turbine system comprises a high pressure cylinder, a medium pressure cylinder, a low pressure cylinder and a power generation device which are connected in sequence;
the molten salt heat exchange system comprises a main steam molten salt heat exchanger, a reheat steam molten salt heat exchanger, a hot salt tank, a cold salt tank and a molten salt steam generator;
one part of main steam of the superheater enters an inlet of the high-pressure cylinder to do work, exhaust steam enters a reheater to be reheated after doing work, and the other part of the main steam of the superheater enters a main steam molten salt heat exchanger to release heat and enters the reheater to be reheated after releasing heat; the extracted steam of the high-pressure cylinder enters the economizer;
part of steam of the reheater enters the inlet of the intermediate pressure cylinder to do work, exhausted steam after doing work enters the inlet of the low pressure cylinder to do work, and the low pressure cylinder drives the power generation device to work; meanwhile, the other part of the steam of the reheater enters a reheated steam molten salt heat exchanger for heat release, and enters an economizer for heating after the heat release; steam extraction of the intermediate pressure cylinder and steam exhaust of the low pressure cylinder enter the economizer;
the molten salt in the cold salt tank enters the reheat steam molten salt heat exchanger for heat exchange, the molten salt after heat exchange enters the main steam molten salt heat exchanger for heat exchange again, the molten salt after heat exchange again enters the hot salt tank, the molten salt in the hot salt tank enters the molten salt steam generator for heat exchange and heating of circulating water, and the molten salt after heat exchange enters the cold salt tank.
The circulating water firstly enters a heat exchange device through a preheater and then enters a molten salt steam generator to be heated, the molten salt in the hot salt tank enters the molten salt steam generator to carry out heat exchange and heating on the circulating water, then enters the preheater to carry out heat exchange on the circulating water, and the molten salt passing through the preheater enters a cold salt tank.
The molten salt in the cold salt tank enters the reheat steam molten salt heat exchanger through a cold salt pump, and the molten salt in the hot salt enters the molten salt steam generator through a hot salt pump.
And a part of main steam generated by the superheater is connected with a hot end inlet of the main steam molten salt heat exchanger through a pressure reducing valve to release heat.
The system also comprises an auxiliary machine system which sends the heat release medium of the reheated steam molten salt heat exchanger, the steam exhaust of the low-pressure cylinder of the steam turbine and the steam extraction of the steam turbine back to the economizer.
The auxiliary system comprises a condenser, a condensate pump, a condensate heat exchanger, a low-pressure heater, a deaerator, a high-pressure heater, a feed pump pre-pump and a feed pump main pump;
the condenser is connected with the outlet of the low-pressure cylinder to condense the exhaust steam of the low-pressure cylinder, the formed condensed water is divided into two parts after being driven by the condensed water pump, one part of the condensed water enters the low-pressure heater to absorb heat, the other part of the condensed water enters the condensed water heat exchanger to absorb heat, then the two parts of the condensed water are converged into the deaerator, the condensed water at the outlet of the deaerator is converged with the condensed water at the outlet of the hot end of the condensed water heat exchanger, and then the condensed water sequentially enters the high-pressure heater to absorb heat after being driven by the feed pump preposed pump and the feed pump;
and after the steam of the reheater enters the reheated steam molten salt heat exchanger and the condensed water heat exchanger to release heat, the steam enters the main pump of the water supply pump.
The low-pressure heater is connected with the extraction steam of the intermediate pressure cylinder to be used as a heat source, the deaerator is connected with the extraction steam of the intermediate pressure cylinder to be used as a heat source, and the high-pressure heater is connected with the extraction steam of the high-pressure cylinder to be used as a heat source.
When the heat storage working condition is met, the cold molten salt pump drives cold molten salt to firstly enter the reheat steam molten salt heat exchanger to absorb heat, then enter the main steam molten salt heat exchanger to absorb heat, and then enter the hot molten salt tank to realize the heat storage function;
when the working condition is exothermic, the hot molten salt pump drives hot molten salt to enter the hot molten salt steam generator firstly to release heat, then enter the preheater to release heat, and then return to the cold molten salt tank to finish the molten salt circulation process.
The circulating water can be condensed water from a deaerator and a condenser, can be demineralized water, and can also be circulating return water of a heat supply network.
(III) the utility model has the advantages that:
1) the efficient cascade utilization of the steam is realized by two-stage series utilization of the main steam and the reheated steam;
2) the thermoelectric double peak regulation is realized by applying the molten salt energy storage technology in the two-stage series heat storage and heat release process of the main steam and the reheat steam of the boiler;
3) thermoelectric decoupling is realized, the flexibility of boiler side operation of a thermal power plant is improved, and the peak regulation and new energy consumption capacity of a power system is comprehensively improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a two-stage series thermoelectric peak regulation system for storing heat by molten salt according to the present invention;
1-a superheater; 2-a reheater; 3-a coal economizer; 4-high pressure cylinder; 5-intermediate pressure cylinder; 6-low pressure cylinder; 7-a power generation device; 8-a condenser; 9-a condensate pump; 10-a low pressure heater; 11-a deaerator; 12-a high pressure heater; 13-a feed pump pre-pump; 14-main pump of feed pump; 15-main steam molten salt heat exchanger; 16-reheat steam molten salt heat exchanger; 17-hot salt tank; 18-a cold salt tank; 19-molten salt steam generator; 20-a preheater; 21-cold molten salt pump; 22-hot melt salt pump; 23-condensed water heat exchanger
S1, S2, S3, S4, S5, S6, S7-steam
L1, L2, L3, L8, L9, L10-condensed water;
l4, L5, L6-turbine extraction
L7-turbine exhaust
R1, R2, R3, R4, R5, R6-molten salt
V1-a valve
W1、W2、W3-circulating water.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses an utilize thermoelectric peak regulation system of two-stage series connection of fused salt heat accumulation, through fused salt energy storage technique in boiler main steam, reheat steam's heat accumulation and the application of exothermal in-process, realize thermoelectric double peak regulation and thermoelectric decoupling zero, promoted the flexibility of thermal power plant's boiler side operation, improve electric power system peak regulation and new forms of energy ability of dissolving comprehensively.
The utility model provides an utilize thermoelectric peak regulation system of two-stage series connection of fused salt heat accumulation, including boiler system, steam turbine power generation system, auxiliary engine system, fused salt heat transfer system.
Wherein, boiler system includes the boiler, sets up over heater 1, re-heater 2, economizer 3 in the boiler, and economizer 3 and over heater 1 all are connected with the vapour bubble, and re-heater 2 and over heater 1 are connected.
The steam turbine system comprises a high-pressure cylinder 4, an intermediate-pressure cylinder 5, a low-pressure cylinder 6 and a power generation device 7 which are connected in sequence; the power generation device 7 is an existing steam turbine generator.
The molten salt heat exchange system comprises a main steam molten salt heat exchanger 15, a reheat steam molten salt heat exchanger 16, a hot salt tank 17, a cold salt tank 18, a molten salt steam generator 19, a preheater 20, a cold salt pump 21 and a hot salt pump 22.
The auxiliary system comprises a condenser 8, a condensate pump 9, a condensate heat exchanger 23, a low-pressure heater 10, a deaerator 11, a high-pressure heater 12, a feed pump pre-pump 13 and a feed pump main pump 14, and is mainly used for condensing exhaust steam of the steam turbine system to form condensate water, heating the condensate water by using the extracted steam of the steam turbine system, and then sending the condensate water into an economizer of a boiler.
In the system, a steam turbine power generation system is connected with an inlet of a high-pressure cylinder through main steam from a superheater, exhaust steam after work is returned to a reheater, the steam from the reheater is connected with an inlet of a middle-pressure cylinder, the exhaust steam after work enters an inlet of a low-pressure cylinder, and the steam does work in the high-pressure cylinder, the middle-pressure cylinder and the low-pressure cylinder to drive a power generation device 7 to generate electric energy; the auxiliary system is mainly used for condensing the exhausted steam of the steam turbine system to form condensed water, heating the condensed water by using the extracted steam of the steam turbine system, and then sending the heated condensed water into an economizer of the boiler; the molten salt heat exchange system takes main steam and reheated steam of a boiler system as driving heat sources, and realizes heat storage and heat release processes by utilizing molten salt circulation.
The main steam S2 of the superheater 1 enters the inlet of the high-pressure cylinder 4 to do work, the exhaust steam S7 after doing work enters the reheater 2 to be reheated, meanwhile, the main steam S1 of the superheater 1 enters the hot end inlet of the main steam molten salt heat exchanger 15 to release heat, and the released heat enters the reheater 2 from the hot end outlet to be reheated; the extracted steam of the high-pressure cylinder 4 enters the economizer 3 through an auxiliary engine system; the economizer 3 is heated and enters the steam bubble.
Steam S4 of the reheater 2 enters an inlet of the intermediate pressure cylinder 5 to do work, exhaust steam S5 after doing work enters an inlet of the low pressure cylinder 6 to do work, and the low pressure cylinder 6 drives the power generation device 7 to work; meanwhile, steam S3 of the reheater 2 enters the hot end inlet of the reheated steam molten salt heat exchanger 16 for heat release, and enters the economizer 3 for heating from the hot end outlet through an auxiliary system after heat release; the steam extraction of the intermediate pressure cylinder 5 and the steam exhaust of the low pressure cylinder 6 enter the economizer 3 through an auxiliary system.
The main steam S1 produced by the superheater 1 passes through a pressure reducing valve V1And connecting the hot end inlet of the main molten salt steam heat exchanger 15 for heat release.
In the molten salt heat exchange system, molten salt R1 in a cold salt tank 18 enters a reheat steam molten salt heat exchanger 16 for heat exchange, molten salt R2 after heat exchange enters a main steam molten salt heat exchanger 15 for heat exchange again, molten salt R3 after heat exchange again enters a hot salt tank 17, molten salt R4 of a hot salt tank 17 enters a molten salt steam generator 19 for circulating water W1And (4) performing heat exchange heating, and feeding the molten salt R6 subjected to heat exchange into the cold salt tank 18.
As shown in FIG. 1, circulating water W1Firstly enters the heat exchange device through the preheater 20 to form preheated circulating water W2Circulating water W2Then enters the molten salt steam generator 19 for heating to form heated circulating water W3The molten salt in the hot salt tank 17 enters the molten salt steam generator 19 to heat and exchange the circulating water, and then the circulating water is heatedEnters the preheater 2 to exchange heat with the circulating water, and the fused salt passing through the preheater 2 enters the cold salt tank 18.
The molten salt in the cold salt tank 18 is fed into the reheat steam molten salt heat exchanger 16 by the cold salt pump 21, and the molten salt in the hot salt tank 17 is fed into the molten salt steam generator 19 by the hot salt pump 22.
In the auxiliary engine system, a condenser 8 is connected with exhaust steam L7 of a low-pressure cylinder 6 condensed at an outlet of the low-pressure cylinder 6, formed condensed water is driven by a condensed water pump 9 and then divided into two parts, one part enters a low-pressure heater 10 to absorb heat, the other part enters a condensed water heat exchanger 23 to absorb heat, then the two parts of condensed water are converged to form condensed water L8 and are converged into a deaerator 11, the condensed water at the outlet of the deaerator 11 is converged with the condensed water L2 at an outlet of a hot end of the condensed water heat exchanger 23, then the condensed water sequentially passes through a feed pump pre-pump 13 and a feed pump 14 to form condensed water L9 and enters a high-pressure heater 12 to absorb heat, and then the condensed water L10 forms boiler feed water.
The low-pressure heater 10 is connected with the extraction steam L5 of the intermediate pressure cylinder 5 as a heat source, the deaerator 11 is connected with the extraction steam L6 of the intermediate pressure cylinder 5 as a heat source, and the high-pressure heater 12 is connected with the extraction steam L4 of the high-pressure cylinder 4 as a heat source.
The steam S3 of the reheater 2 enters the reheat steam molten salt heat exchanger 16 to release heat, and then enters the main pump 14 of the feed pump to supply the high-pressure heater 12.
When the heat storage working condition is met, the cold molten salt pump 21 drives cold molten salt to firstly enter the reheat steam molten salt heat exchanger 16 to absorb heat, then enter the main steam molten salt heat exchanger 15 to absorb heat, and then enter the hot molten salt tank to realize the heat storage function; when the working condition is exothermic, the hot molten salt pump 22 drives the hot molten salt to enter the molten salt steam generator 19 for heat release, then enter the preheater 20 for heat release, and then return to the cold molten salt tank to finish the molten salt circulation process. When the electric load is excessive, the system enters a heat storage working condition to store the excessive electric load through molten salt heat storage, and when the electric load is in shortage or the heat load demand is excessive, the system enters a heat release working condition to realize thermoelectric decoupling.
Circulating backwater W1And the molten salt is heated by the preheater and the molten salt steam heat exchanger in sequence and then supplied to users. The circulating water can beThe condensed water from the deaerator and the condenser can be desalted water or circulating backwater of a heat supply network.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. A two-stage series thermoelectric peak regulation system utilizing molten salt heat storage is characterized in that: the system comprises a boiler system, a steam turbine power generation system and a molten salt heat exchange system;
the boiler system comprises a boiler superheater (1), a reheater (2) and an economizer (3);
the steam turbine system comprises a high-pressure cylinder (4), an intermediate-pressure cylinder (5), a low-pressure cylinder (6) and a power generation device (7) which are connected in sequence;
the molten salt heat exchange system comprises a main steam molten salt heat exchanger (15), a reheat steam molten salt heat exchanger (16), a hot salt tank (17), a cold salt tank (18) and a molten salt steam generator (19);
one part of main steam of the superheater (1) enters an inlet of the high-pressure cylinder (4) to do work, exhaust steam enters the reheater (2) to be reheated after the work is done, and the other part of the main steam of the superheater (1) enters the main steam molten salt heat exchanger (15) to release heat and enters the reheater (2) to be reheated after the heat is released; the extracted steam of the high-pressure cylinder (4) enters the economizer (3);
part of steam of the reheater (2) enters an inlet of the intermediate pressure cylinder (5) to do work, exhausted steam after doing work enters an inlet of the low pressure cylinder (6) to do work, and the low pressure cylinder (6) drives the power generation device (7) to work; meanwhile, the other part of the steam of the reheater (2) enters a reheated steam molten salt heat exchanger (16) for heat release, and enters an economizer (3) for heating after the heat release; steam extraction of the intermediate pressure cylinder (5) and steam exhaust of the low pressure cylinder (6) enter the economizer;
molten salt in a cold salt tank (18) enters a reheat steam molten salt heat exchanger (16) for heat exchange, the molten salt after heat exchange enters a main steam molten salt heat exchanger (15) for heat exchange again, the molten salt after heat exchange again enters a hot salt tank (17), the molten salt in the hot salt tank (17) enters a molten salt steam generator (19) for circulating water (W)1) Heat exchange heating is carried out, and the molten salt after heat exchange enters a cold salt tank (18).
2. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that: the circulating water firstly enters a heat exchange device through a preheater (20) and then enters a molten salt steam generator (19) for heating, the molten salt in the hot salt tank (17) enters the molten salt steam generator (19) for heat exchange and heating of the circulating water, then enters a preheater (2) for heat exchange of the circulating water, and the molten salt passing through the preheater (2) enters a cold salt tank (18).
3. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that: the molten salt in the cold salt tank (18) enters the reheat steam molten salt heat exchanger (16) through a cold salt pump (21), and the molten salt in the hot salt tank (17) enters the molten salt steam generator (19) through a hot salt pump (22).
4. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that: a part of the main steam generated by the superheater (1) passes through a pressure reducing valve (V)1) And the hot end inlet of the main steam molten salt heat exchanger (15) is connected for heat release.
5. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that: the system also comprises an auxiliary machine system which sends the heat release medium of the reheated steam molten salt heat exchanger (16), the steam discharged by the low-pressure cylinder of the steam turbine and the extracted steam of the steam turbine back to the economizer (3).
6. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 5, characterized in that: the auxiliary system comprises a condenser (8), a condensate pump (9), a condensate heat exchanger (23), a low-pressure heater (10), a deaerator (11), a high-pressure heater (12), a feed pump pre-pump (13) and a feed pump main pump (14);
the condenser (8) is connected with the outlet of the low-pressure cylinder (6) to condense the exhaust steam of the low-pressure cylinder (6), the formed condensed water is driven by a condensed water pump (9) and then divided into two parts, one part enters a low-pressure heater (10) to absorb heat, the other part enters a condensed water heat exchanger (23) to absorb heat, then the two parts of condensed water are converged into a deaerator (11), the condensed water at the outlet of the deaerator (11) is converged with the condensed water at the hot end outlet of the condensed water heat exchanger (23), and then is driven by a feed pump pre-pump (13) and a feed pump (14) to enter a high-pressure heater (12) to absorb heat, and then boiler feed water is formed and enters the economizer (3) to form steam-;
steam in the reheater (2) enters the reheated steam molten salt heat exchanger (16) and the condensed water heat exchanger (23) to release heat, and then enters the main pump (14) of the water supply pump.
7. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 6, characterized in that:
the low-pressure heater (10) is connected with the steam extraction of the intermediate pressure cylinder (5) and is used as a heat source, the deaerator (11) is connected with the steam extraction of the intermediate pressure cylinder (5) and is used as a heat source, and the high-pressure heater (12) is connected with the steam extraction of the high-pressure cylinder (4) and is used as a heat source.
8. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that:
when the heat storage working condition is met, the cold molten salt pump (21) drives cold molten salt to firstly enter the reheat steam molten salt heat exchanger (16) to absorb heat, then enter the main steam molten salt heat exchanger (15) to absorb heat, and then enter the hot molten salt tank to realize the heat storage function;
when the working condition is exothermic, the hot molten salt pump (22) drives the hot molten salt to enter the hot molten salt steam generator (19) for heat release, then enter the preheater (20) for heat release, and then return to the cold molten salt tank to finish the molten salt circulation process.
9. The two-stage series thermoelectric peak regulation system utilizing molten salt heat storage according to claim 1, characterized in that:
the circulating water (W)1) The condensed water from a deaerator and a condenser can be desalted water or circulating return water of a heat supply network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975580.4U CN210289860U (en) | 2019-06-26 | 2019-06-26 | Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975580.4U CN210289860U (en) | 2019-06-26 | 2019-06-26 | Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289860U true CN210289860U (en) | 2020-04-10 |
Family
ID=70098850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920975580.4U Active CN210289860U (en) | 2019-06-26 | 2019-06-26 | Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210289860U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855293A (en) * | 2021-01-19 | 2021-05-28 | 西安交通大学 | Integrated heat storage industrial steam supply cogeneration peak shaving frequency modulation system and operation method |
| CN113154500A (en) * | 2021-03-17 | 2021-07-23 | 华能苏州热电有限责任公司 | Wind energy utilization method and device based on cogeneration coupling molten salt heat storage |
| CN113864014A (en) * | 2021-10-26 | 2021-12-31 | 西安热工研究院有限公司 | Thermal power heat exchange molten salt energy storage black start system |
| CN114263504A (en) * | 2022-01-24 | 2022-04-01 | 润电能源科学技术有限公司 | Turbine peak shaving system of hierarchical heat-retaining of coupling |
| CN114592933A (en) * | 2022-03-21 | 2022-06-07 | 西安热工研究院有限公司 | A combined molten salt energy storage peak regulation system and method utilizing medium pressure cylinder exhaust steam for heat storage |
| CN114810230A (en) * | 2022-05-31 | 2022-07-29 | 西安热工研究院有限公司 | Wind and light combined energy storage power generation and heat supply system and method for steam turbine |
| CN114909193A (en) * | 2022-06-21 | 2022-08-16 | 西安热工研究院有限公司 | Thermal power generating unit flexible operation system based on molten salt heat storage |
| CN114962223A (en) * | 2022-05-05 | 2022-08-30 | 中能建数字科技有限公司 | Compressed air energy storage system of molten salt medium and operation method thereof |
| CN114992613A (en) * | 2022-05-30 | 2022-09-02 | 中国电力工程顾问集团华东电力设计院有限公司 | Energy storage depth peak regulation system of steam-fused salt coupling |
| CN115247580A (en) * | 2021-04-28 | 2022-10-28 | 赫普能源环境科技股份有限公司 | A multi-stage heat storage and peak regulation system and method for thermal power unit |
| CN115288958A (en) * | 2022-08-17 | 2022-11-04 | 西安热工研究院有限公司 | Indirect photo-thermal and coal-fired complementary steam turbine system and power generation system |
| CN116336450A (en) * | 2023-04-04 | 2023-06-27 | 北京怀柔实验室 | Flexible high-efficiency novel coal-fired generator set |
| CN116753045A (en) * | 2023-04-25 | 2023-09-15 | 国能南京电力试验研究有限公司 | A heat supply and heat storage system and method based on a pump-back machine |
| CN117739724A (en) * | 2023-11-08 | 2024-03-22 | 陕西榆林能源集团杨伙盘煤电有限公司 | High-temperature molten salt heat release system |
| CN118836438A (en) * | 2024-07-02 | 2024-10-25 | 禾和大至(北京)科技有限公司 | High-parameter hydrophobic treatment system for decoupling machine furnace |
-
2019
- 2019-06-26 CN CN201920975580.4U patent/CN210289860U/en active Active
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855293B (en) * | 2021-01-19 | 2022-03-22 | 西安交通大学 | Industrial steam supply cogeneration peak regulation and frequency regulation system with integrated heat storage and its operation method |
| CN112855293A (en) * | 2021-01-19 | 2021-05-28 | 西安交通大学 | Integrated heat storage industrial steam supply cogeneration peak shaving frequency modulation system and operation method |
| CN113154500A (en) * | 2021-03-17 | 2021-07-23 | 华能苏州热电有限责任公司 | Wind energy utilization method and device based on cogeneration coupling molten salt heat storage |
| CN115247580A (en) * | 2021-04-28 | 2022-10-28 | 赫普能源环境科技股份有限公司 | A multi-stage heat storage and peak regulation system and method for thermal power unit |
| CN113864014A (en) * | 2021-10-26 | 2021-12-31 | 西安热工研究院有限公司 | Thermal power heat exchange molten salt energy storage black start system |
| CN114263504A (en) * | 2022-01-24 | 2022-04-01 | 润电能源科学技术有限公司 | Turbine peak shaving system of hierarchical heat-retaining of coupling |
| CN114592933A (en) * | 2022-03-21 | 2022-06-07 | 西安热工研究院有限公司 | A combined molten salt energy storage peak regulation system and method utilizing medium pressure cylinder exhaust steam for heat storage |
| CN114592933B (en) * | 2022-03-21 | 2023-05-02 | 西安热工研究院有限公司 | Combined molten salt energy storage peak shaving system and method utilizing exhaust steam and heat storage of medium-pressure cylinder |
| CN114962223A (en) * | 2022-05-05 | 2022-08-30 | 中能建数字科技有限公司 | Compressed air energy storage system of molten salt medium and operation method thereof |
| CN114962223B (en) * | 2022-05-05 | 2024-04-12 | 吉能国际能源有限公司 | Compressed air energy storage system of molten salt medium and operation method thereof |
| CN114992613A (en) * | 2022-05-30 | 2022-09-02 | 中国电力工程顾问集团华东电力设计院有限公司 | Energy storage depth peak regulation system of steam-fused salt coupling |
| CN114810230B (en) * | 2022-05-31 | 2023-11-03 | 西安热工研究院有限公司 | Energy storage, power generation and heat supply system and method of turbine combined with wind and light |
| CN114810230A (en) * | 2022-05-31 | 2022-07-29 | 西安热工研究院有限公司 | Wind and light combined energy storage power generation and heat supply system and method for steam turbine |
| JP2024526396A (en) * | 2022-06-21 | 2024-07-18 | 西安熱工研究院有限公司 | Flexible operation system of thermal power generating units based on molten salt thermal storage |
| CN114909193B (en) * | 2022-06-21 | 2024-02-27 | 西安热工研究院有限公司 | Thermal power generating unit flexible operation system based on fused salt heat storage |
| CN114909193A (en) * | 2022-06-21 | 2022-08-16 | 西安热工研究院有限公司 | Thermal power generating unit flexible operation system based on molten salt heat storage |
| JP7635379B2 (en) | 2022-06-21 | 2025-02-25 | 西安熱工研究院有限公司 | Flexible operation system of thermal power generating units based on molten salt thermal storage |
| CN115288958A (en) * | 2022-08-17 | 2022-11-04 | 西安热工研究院有限公司 | Indirect photo-thermal and coal-fired complementary steam turbine system and power generation system |
| CN116336450A (en) * | 2023-04-04 | 2023-06-27 | 北京怀柔实验室 | Flexible high-efficiency novel coal-fired generator set |
| CN116753045A (en) * | 2023-04-25 | 2023-09-15 | 国能南京电力试验研究有限公司 | A heat supply and heat storage system and method based on a pump-back machine |
| CN116753045B (en) * | 2023-04-25 | 2025-09-30 | 国能南京电力试验研究有限公司 | A heat supply and heat storage system and method based on a pumping machine |
| CN117739724A (en) * | 2023-11-08 | 2024-03-22 | 陕西榆林能源集团杨伙盘煤电有限公司 | High-temperature molten salt heat release system |
| CN118836438A (en) * | 2024-07-02 | 2024-10-25 | 禾和大至(北京)科技有限公司 | High-parameter hydrophobic treatment system for decoupling machine furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210289860U (en) | Two-stage series thermoelectric peak regulation system utilizing molten salt to store heat | |
| CN210049940U (en) | System for realizing zero output of low-pressure cylinder by utilizing heat storage and release of molten salt | |
| CN114233417B (en) | Heat storage type deep flexible peak regulation thermal power generation system and heat storage and release method | |
| CN114382559B (en) | Double-medium heat storage type peak regulation thermal power generation system and heat storage and release method | |
| CN217712705U (en) | Fused salt energy storage system suitable for deep peak regulation and thermoelectric decoupling of thermal power generating unit | |
| CN113090352B (en) | Machine furnace decoupling system and method for improving peak regulation capacity of pure thermal power unit | |
| CN114592934A (en) | System and method for realizing thermal power unit transformation based on high and low parameter combined molten salt | |
| CN113503531A (en) | Multi-power-supply heat storage peak regulation power station for coal-fired power plant transformation and peak regulation method | |
| CN109595045B (en) | Energy storage system for efficient and flexible heat supply of ultra-supercritical secondary reheating unit | |
| CN113153465A (en) | Heat supply and power generation decoupling method and system for improving peak regulation capacity of heat supply unit | |
| CN112502800A (en) | Flexible large-scale high-parameter heat supply system of thermal power plant | |
| CN114999684A (en) | Nuclear power unit temperature drainage waste heat utilization system | |
| CN111174194A (en) | Peak shaving system of reheating unit of thermal power plant | |
| CN110593977A (en) | Dual-working-medium Rankine cycle waste heat power generation method and system and generator | |
| CN117905542A (en) | Thermal electric coupling system for thermal power generating unit coupling ejector and heat storage and operation method | |
| CN101638998A (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN220625002U (en) | Heat storage and steam supply system of coal-fired generator set | |
| CN113915600A (en) | Energy utilization system | |
| CN117685806A (en) | A large-scale thermal power flexible peak-shaving system using molten salt energy storage using latent heat of steam | |
| CN211822327U (en) | Peak shaving system of reheating unit of thermal power plant | |
| CN115111016B (en) | Industrial steam supply system and method capable of improving the flexibility of coal-fired units | |
| CN215808405U (en) | Multi-power-supply heat-storage peak-regulation power station reconstructed from coal-fired power plant | |
| CN213953702U (en) | Flexible large-scale high-parameter heat supply system of thermal power plant | |
| CN222011859U (en) | A molten salt industrial steam system for a thermal power station | |
| CN116518358B (en) | Frequency regulation and peak regulation system of coal-fired units coupled with multi-stage heat storage system and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |