CN207122890U - A kind of combustion engine waste heat boiler device with fused salt heat accumulation - Google Patents
A kind of combustion engine waste heat boiler device with fused salt heat accumulation Download PDFInfo
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- CN207122890U CN207122890U CN201720544963.7U CN201720544963U CN207122890U CN 207122890 U CN207122890 U CN 207122890U CN 201720544963 U CN201720544963 U CN 201720544963U CN 207122890 U CN207122890 U CN 207122890U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Abstract
The utility model discloses a kind of combustion engine waste heat boiler device with fused salt heat accumulation, including steam was not only produced but also had produced double medium combustion engine waste heat boilers of high-temperature molten salt, high/low temperature fused salt tank, the high/low temperature pump for liquid salts for driving fused salt, the fused salt steam raising plant for producing steam, oxygen-eliminating device etc..When power demand reduces, when the power output of combustion engine combined cycle is difficult to normally be dissolved by power network, the low-temperature molten salt of low-temperature molten salt tank is pumped into double medium combustion engine waste heat boiler heating by low-temperature molten salt, and caused high-temperature molten salt is stored in high temperature melting salt cellar after heating.When the user desires, the high-temperature molten salt in high temperature melting salt cellar is pumped into heat release in fused salt steam raising plant by high-temperature molten salt and produces the steam needed, for generating electricity, heat supply or refrigeration.The utility model fused salt has that thermal capacitance is high, heat transfer flow is good, the heat accumulation of with being easily achieved scale Large Copacity, preferably meet for it is cold it is hot electricity the needs of.
Description
Technical field
The utility model belongs to the technical field of energy-saving and emission-reduction, more particularly to a kind of combustion engine waste heat boiler with fused salt heat accumulation
Device.
Background technology
Combustion gas-steam combined cycle is forms of electricity generation with fastest developing speed in the world at present, and it has generating efficiency
The advantages that height, the construction period is short, and operation operation facilitates, the supply of electric power to China is significant.At present, because electricity consumption is born
Lotus is uneven, and when peaks of power consumption such as daytime, festivals or holidays, the basic oepration at full load of combustion engine Combined Cycle Unit meets electricity consumption need
Ask；When low power consumptions such as the late into the night, combustion engine Combined Cycle Unit needs to reduce load operation mostly.Performing low-load running of machine set, heat
Consumption rate rises, auxiliary power consumption rises, and cost of electricity-generating increase, economic benefit reduces.According to the relevant information, GE 9FA types
Single shaft Combined Cycle Unit, when performing low-load running of machine set is compared with oepration at full load, during unit load rate 80%, heat consumption increase
4%, during unit load rate 60%, heat consumption increase by 8%, during unit load rate 40%, heat consumption will increase by 20%.
Therefore, load variations are adjusted using molten salt energy-storage, is a kind of raising unit efficiency, the potential approach of energy-saving and emission-reduction.
Utility model content
The technical problems to be solved in the utility model is：A kind of combustion engine waste heat boiler device with fused salt heat accumulation is provided,
When power demand reduces, combustion engine unit not load down still oepration at full load, using fused salt by unnecessary energy storage in height
In temperature molten salt tank；When user needs, using high-temperature molten salt by heat transmission equipment, steam or hot water are produced, for generating electricity, heat supply
Or refrigeration.The system not only increases the unit efficiency of combustion engine Combined Cycle Unit, and user can be met in different time sections
To the demand of variety classes energy.
The technical scheme in the invention for solving the above technical problem is：A kind of combustion engine waste heat pot with fused salt heat accumulation
Furnace apparatus, including combustion engine, double medium combustion engine waste heat boilers, high temperature melting salt cellar, high-temperature melting salt pump, fused salt-steam raising plant, remove
Oxygen device, feed pump, low-temperature molten salt tank, low-temperature molten salt pump, steam turbine, motor and condenser, combustion engine exhaust are the thermals source of whole system；
Double medium combustion engine waste heat boilers are used to heat fused salt and feedwater；High temperature melting salt cellar is used to store high-temperature molten salt；High-temperature melting salt pump is
Fused salt-steam raising plant provides high-temperature molten salt；Fused salt-steam raising plant, which is used to heat, to feed water；Oxygen-eliminating device is given for condensation
Water deoxygenation；Feed pump provides feedwater for double medium combustion engine waste heat boilers；Low-temperature molten salt tank is used to store low-temperature molten salt；Low-temperature molten salt
Pump provides low-temperature molten salt for double medium combustion engine waste heat boilers；Steam turbine and motor are used to generate electricity；Condenser is used to condense steam turbine steam discharge.
Wherein, double medium combustion engine waste heat boilers are both disposed with the first feed-water heater of heating subcooled water, the second feedwater adds
Hot device, the first evaporator, the first superheater, while also it is disposed with the molten salt heater of heating fused salt, fused salt-steam raising plant
It is made up of preheater, the second evaporator, the second superheater three parts.
Wherein, when power demand is normal, condensed water is pumped into more than double medium combustion engine after oxygen-eliminating device deoxygenation by feedwater
Heated in first feed-water heater of heat boiler, the first evaporator and the first superheater, the steam for producing needs is carried out
Generate electricity；When power demand reduces, when the power output of combustion engine combined cycle is difficult to normally be dissolved by power network, system enters heat accumulation mould
Formula, low-temperature molten salt is pumped into double medium combustion engine waste heat boilers heating by low-temperature molten salt in low-temperature molten salt tank, it is heated caused by
High-temperature molten salt is stored in high temperature melting salt cellar, according to the needs of Load adjustment, the fused salt heating in double medium combustion engine waste heat boilers
Device may be designed as one or more levels；When power demand improves or needs external heat supply, the high-temperature molten salt warp in high temperature melting salt cellar
Cross high-temperature molten salt to be pumped into the second superheater, the second evaporator and preheater of fused salt-steam raising plant, condensation is given
Water is heated into the steam or hot water of needs, realizes generating or external heat supply, in this course, high-temperature molten salt becomes after releasing energy
Into low-temperature molten salt, it is stored in low-temperature molten salt tank.
A kind of combustion engine waste heat boiler device operation principle with fused salt heat accumulation of the utility model is as shown in figure 1, including both producing
Raw steam produces double medium combustion engine waste heat boilers of high-temperature molten salt, high/low temperature fused salt tank, the high/low temperature for driving fused salt again
Pump for liquid salts, fused salt-steam raising plant for producing steam, oxygen-eliminating device etc..When power demand reduce, combustion engine combined cycle
When power output is difficult to normally be dissolved by power network, the low-temperature molten salt of low-temperature molten salt tank is pumped into double medium combustion engine by low-temperature molten salt
Waste heat boiler is heated, and caused high-temperature molten salt is stored in high temperature melting salt cellar after heating.When the user desires, in high temperature melting salt cellar
High-temperature molten salt be pumped into heat release in fused salt-steam raising plant by high-temperature molten salt and produce the steam needed, for generating electricity, supplying
Heat or refrigeration.In addition, the molten salt pipeline and relevant device of whole system are provided with thin salt pipeline, when system stalls,
Fused salt can be discharged quickly, prevent fused salt from solidifying, and improve the security of system.High/low temperature fused salt tank is arranged in different height
Distribution pipe, the fused salt into high/low temperature fused salt tank is evenly distributed, prevent temperature of molten salt to be layered as much as possible.
The utility model compared with prior art the advantages of be：
(1) a kind of combustion engine waste heat boiler device with fused salt heat accumulation of the utility model, become using molten salt energy-storage regulation load
Change, for generating electricity, heat supply or refrigeration, improve unit efficiency, add power plant's income and different time sections can be met to difference
The demand of species energy.
(2) the utility model fused salt has that thermal capacitance is high, heat transfer flow is good, the storage of with being easily achieved scale Large Copacity
Heat, preferably meet for it is cold it is hot electricity the needs of.
Brief description of the drawings
Fig. 1 is a kind of fundamental diagram of the combustion engine waste heat boiler device with fused salt heat accumulation of the utility model；
Wherein, 1 is combustion engine, and 2 be double medium combustion engine waste heat boilers, and 3 be high temperature melting salt cellar, and 4 be high-temperature melting salt pump, and 5 be molten
Salt-steam raising plant, 6 be oxygen-eliminating device, 7 be feed pump, 8 be low-temperature molten salt tank, and 9 be low-temperature molten salt pump, and 10 be steam turbine, and 11 are
Motor, 12 be condenser.
Embodiment
The utility model is further described below by embodiment combination accompanying drawing.
As shown in figure 1, the utility model provides a kind of combustion engine waste heat boiler device with fused salt heat accumulation, including combustion engine 1,
Double medium combustion engine waste heat boilers 2, high temperature melting salt cellar 3, high-temperature melting salt pump 4, fused salt-steam raising plant 5, oxygen-eliminating device 6, feed pump
7th, low-temperature molten salt tank 8, low-temperature molten salt pump 9, steam turbine 10, motor 11 and condenser 12.The exhaust of combustion engine 1 is the thermal source of whole system；
Double medium combustion engine waste heat boilers 2 are used to heat fused salt and feedwater；High temperature melting salt cellar 3 is used to store high-temperature molten salt；High-temperature melting salt pump 4
High-temperature molten salt is provided for fused salt-steam raising plant 5；Fused salt-steam raising plant 5, which is used to heat, to feed water；Oxygen-eliminating device 6 is used to coagulate
Tie feedwater deaeration；Feed pump 7 is that double medium combustion engine waste heat boilers 2 provide feedwater；Low-temperature molten salt tank 8 is used to store low-temperature molten salt；
Low-temperature molten salt pump 9 is that double medium combustion engine waste heat boilers 2 provide low-temperature molten salt；Steam turbine 10 and motor 11 are used to generate electricity；Condenser is used
In condensation steam turbine steam discharge.
Double medium combustion engine waste heat boilers 2 be both disposed with heating the first feed-water heater of subcooled water, the second feed-water heater,
First evaporator, the first superheater, while also it is disposed with the molten salt heater of heating fused salt.Fused salt-steam raising plant 5 is by pre-
Hot device, the second evaporator, the second superheater three parts composition.
When power demand is normal, condensed water is sent into double medium combustion engine waste heats after the deoxygenation of oxygen-eliminating device 6, by feed pump 7
Heated in first feed-water heater of boiler 2, the first evaporator and the first superheater, the steam for producing needs is sent out
Electricity.
When power demand reduces, when the power output of combustion engine combined cycle is difficult to normally be dissolved by power network, system enters storage
Heat pattern.Low-temperature molten salt is sent into double medium combustion engine waste heat boilers 2 by low-temperature molten salt pump 9 and heated in low-temperature molten salt tank 8, heated
Caused high-temperature molten salt is stored in high temperature melting salt cellar 3.According to the needs of Load adjustment, in double medium combustion engine waste heat boilers 2
Molten salt heater may be designed as one or more levels.
When power demand improves or needs external heat supply, the high-temperature molten salt in high temperature melting salt cellar 3 passes through high-temperature melting salt pump 4
It is sent into the second superheater, the second evaporator and preheater of fused salt-steam raising plant 5, condensation feedwater, which is heated into, to be needed
The steam (or hot water) wanted, realize generating or external heat supply.In this course, become low temperature after high-temperature molten salt releases energy to melt
Salt, it is stored in low-temperature molten salt tank 8.
In addition, said system whole molten salt pipeline and and relevant device be equipped with thin salt device, when system stop work
When making, fused salt can be discharged quickly, prevent fused salt from solidifying, and improve the security of system.
A kind of combustion engine waste heat boiler device with fused salt heat accumulation, using fused salt thermal capacitance is high, heat transfer flow is good etc., characteristic is entered
Row energy storage, regulation load variations are realized, for generating electricity, heat supply or refrigeration, improve unit efficiency, add power plant's income, simultaneously
Can meet the needs of different time sections are to variety classes energy.
Claims (2)
- A kind of 1. combustion engine waste heat boiler device with fused salt heat accumulation, it is characterised in that：Including combustion engine (1), double medium combustion engine waste heats Boiler (2), high temperature melting salt cellar (3), high-temperature melting salt pump (4), fused salt-steam raising plant (5), oxygen-eliminating device (6), feed pump (7), Low-temperature molten salt tank (8), low-temperature molten salt pump (9), steam turbine (10), motor (11) and condenser (12), combustion engine (1) exhaust is to be entirely The thermal source of system；Double medium combustion engine waste heat boilers (2) are used to heat fused salt and feedwater；High temperature melting salt cellar (3) is used to store high temperature melting Salt；High-temperature melting salt pump (4) is that fused salt-steam raising plant (5) provides high-temperature molten salt；Fused salt-steam raising plant (5) is used to add Heat feedwater；Oxygen-eliminating device (6) is used to condense feedwater deaeration；Feed pump (7) is that double medium combustion engine waste heat boilers (2) provide feedwater；It is low Temperature molten salt tank (8) is used to store low-temperature molten salt；Low-temperature molten salt pump (9) is that double medium combustion engine waste heat boilers (2) provide low-temperature molten salt； Steam turbine (10) and motor (11) are used to generate electricity；Condenser is used to condense steam turbine steam discharge.
- A kind of 2. combustion engine waste heat boiler device with fused salt heat accumulation according to claim 1, it is characterised in that：Double medium combustions Machine waste heat boiler (2) is both disposed with heating the first feed-water heater of subcooled water, the second feed-water heater, the first evaporator, the One superheater, while the molten salt heater of heating fused salt is also disposed with, fused salt-steam raising plant (5) is steamed by preheater, second Send out device, the second superheater three parts composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544963.7U CN207122890U (en) | 2017-05-17 | 2017-05-17 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
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|---|---|---|---|
| CN201720544963.7U CN207122890U (en) | 2017-05-17 | 2017-05-17 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
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| CN207122890U true CN207122890U (en) | 2018-03-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013892A (en) * | 2017-05-17 | 2017-08-04 | 杭州锅炉集团股份有限公司 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
| CN110725725A (en) * | 2019-10-29 | 2020-01-24 | 浙江大学 | Gas and steam combined cycle system and method based on heat storage starting |
| WO2020181675A1 (en) * | 2019-03-11 | 2020-09-17 | 西安交通大学 | Flexible coal-fired power generation system, and operation method therefor |
-
2017
- 2017-05-17 CN CN201720544963.7U patent/CN207122890U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013892A (en) * | 2017-05-17 | 2017-08-04 | 杭州锅炉集团股份有限公司 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
| CN107013892B (en) * | 2017-05-17 | 2020-10-23 | 杭州锅炉集团股份有限公司 | Gas turbine waste heat boiler device with molten salt heat storage function |
| WO2020181675A1 (en) * | 2019-03-11 | 2020-09-17 | 西安交通大学 | Flexible coal-fired power generation system, and operation method therefor |
| US10968784B2 (en) | 2019-03-11 | 2021-04-06 | Xi'an Jiaotong University | Flexible coal-fired power generation system and operation method thereof |
| CN110725725A (en) * | 2019-10-29 | 2020-01-24 | 浙江大学 | Gas and steam combined cycle system and method based on heat storage starting |
| CN110725725B (en) * | 2019-10-29 | 2020-12-11 | 浙江大学 | Gas and steam combined cycle system and method based on heat storage starting |
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Address after: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee after: Xizi clean energy equipment manufacturing Co.,Ltd. Address before: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee before: HANGZHOU BOILER GROUP Co.,Ltd. |