CN208536415U - A kind of photo-thermal generating molten salt heat reservoir - Google Patents
A kind of photo-thermal generating molten salt heat reservoir Download PDFInfo
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- CN208536415U CN208536415U CN201820792294.XU CN201820792294U CN208536415U CN 208536415 U CN208536415 U CN 208536415U CN 201820792294 U CN201820792294 U CN 201820792294U CN 208536415 U CN208536415 U CN 208536415U
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- valve
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
A kind of photo-thermal generating molten salt heat reservoir, it is related to solar energy generation technology field, including fused salt tower, energy-storage system, steam generator system and steam turbine, the energy-storage system includes gas furnace, salt storage tank, low-temperature molten salt storage tank, fused salt tower one end is connected to by fused salt output pipe with the salt storage tank, the other end turns round pipeline by fused salt and is connected to the low-temperature molten salt storage tank, the salt storage tank, third pipeline is communicated between low-temperature molten salt storage tank, the third pipeline is equipped with steam generator system, the steam generator system is connect by high temperature steam pipeline with steam turbine, the fused salt return bend road is successively arranged the 12nd valve from front to back, tenth valve and the 9th valve, the fused salt, which turns round in the side of piping connection low-temperature molten salt storage tank, is equipped with low-temperature molten salt pump；The utility model patent provides a kind of photo-thermal power generation fused salt heat reservoir, the Wei Wen and the power generation issues in solar energy deficiency situation that can solve fused salt.
Description
Technical field
The utility model relates to solar energy generation technology fields, are related to a kind of photo-thermal generating molten salt heat reservoir, especially relate to
And a kind of energy-saving fused salt heat reservoir applied to the tower photo-thermal power generation of fused salt.
Background technique
In recent years, solar light-heat power-generation technology graduallys mature, and fused salt obtains extensively as the heat-storage medium of solar power generation
General application, however the freezing point of fused-salt medium is higher, fused salt used in photo-thermal power station is binary nitrate (KNO at present3+
NaNO3), fusing point is about 220 DEG C, to keep the liquid flow regime of fused salt, must just keep higher temperature.Conventional at present
The method for maintaining temperature of molten salt is exactly to be powered on heat tracing, and electric heater is arranged in fused salt storage tank, which, which exists, involves great expense, repairs and be stranded
The problems such as difficult.
Summary of the invention
In view of the above-mentioned problems, the invention patent provides a kind of photo-thermal power generation fused salt heat reservoir, can solve molten
The Wei Wen and the power generation issues in solar energy deficiency situation of salt.
In order to realize that above-mentioned technical effect, the specific technical solution of the present invention are as follows:
A kind of photo-thermal generating molten salt heat reservoir, including fused salt tower, energy-storage system, steam generator system and steam turbine,
The energy-storage system includes gas furnace, salt storage tank, low-temperature molten salt storage tank, and fused salt tower one end passes through fused salt efferent duct
Road is connected to the salt storage tank, the other end turns round pipeline by fused salt and is connected to the low-temperature molten salt storage tank, the fused salt
The 11st valve, the first valve and the second valve are successively arranged on output pipe from front to back, is equipped with and runs through in the gas furnace
First pipeline of its furnace body, the first pipeline of the gas furnace side access the fused salt between the 11st valve and the first valve
Output pipe and the first pipeline of the side are equipped with third valve, the first pipeline of the other side accesses first valve and second
First pipeline of fused salt output pipe and the side between valve is equipped with the 4th valve；Fused salt after first valve is defeated
Pipeline is connected to by the second pipeline with the salt storage tank out, is set in the side of the second piping connection salt storage tank
There is high-temperature melting salt pump, is successively arranged the 5th valve and the 6th valve, the high-temperature molten salt storage on second pipeline from front to back
Third pipeline is communicated between tank, low-temperature molten salt storage tank, which is equipped with steam generator system, the steam generation
Device system is connect by high-temperature steam pipeline with steam turbine, which is successively arranged the 12nd valve from front to back
Door, the tenth valve and the 9th valve, which, which turns round in the side of piping connection low-temperature molten salt storage tank, is equipped with low-temperature molten salt pump, institute
It states and is connected with the 4th pipeline between the fused salt output pipe between the first valve and the second valve and the low-temperature molten salt storage tank, it should
4th pipeline is equipped with the 8th valve, the fused salt output pipe and the described 12nd between the 11st valve and the first valve
It is connected with the 5th pipeline between fused salt revolution pipeline between valve and the tenth valve, the 5th pipeline is equipped with the 7th valve.
Further, the steam generator system includes superheater, reheater, evaporator and preheater, the overheat
Device, reheater are arranged side by side, and filter and reheater arranged side by side, evaporator, preheating are successively arranged on the third pipeline
Device.
Further, second pipeline accesses the fused salt output pipe between first valve and the second valve
Above or access on the fused salt output pipe between second valve and salt storage tank.
Further, the high-temperature melting salt pump, low-temperature molten salt pump include constant speed pump, governor impeller.
Further, first valve, the second valve, third valve, the 4th valve, the 5th valve, the 6th valve,
Seven valves, the 8th valve, the 9th valve, the tenth valve, the 11st valve, the 12nd valve are motor-driven valve, hand-operated valve, pneumatic operated valve
With any one in hydraulic valve.
Further, the tenth valve is individual valve or valve group.
According to above-mentioned technical proposal, the big feature of the one of solar light-heat power-generation of the invention is the heat for absorbing the sun daytime
The heat of the fused salt storage sun is generated electricity and utilized, is generated electricity at night using the heat of fused salt storage；The present invention passes through one combustion of setting
Steam stove heats fused salt to achieve the purpose that Wei Wen and improve temperature of molten salt and improves steam turbine power output.
Detailed description of the invention
Below by specific embodiment combination attached drawing to being originally described in further detail.
Fig. 1 is block schematic illustration of the invention；
Fig. 2 is a schematic diagram of the tenth valve in the present invention；
Fig. 3 is another schematic diagram of the tenth valve in the present invention；
Wherein, the 1, first valve；2, the second valve；3, third valve；4, the 4th valve；5, the 5th valve；6, the 6th valve
Door；7, the 7th valve；8, the 8th valve；9, the 9th valve；10, the tenth valve；11, the 11st valve；12, the 12nd valve；
13, fused salt tower；14, steam turbine；15, gas furnace；16, salt storage tank；17, low-temperature molten salt storage tank；18, fused salt efferent duct
Road；19, fused salt turns round pipeline；20, the first pipeline；21, the second pipeline；22, third pipeline；23, the 4th pipeline；24, the 5th pipe
Road；25, high-temperature melting salt pump；26, low-temperature molten salt pumps；27, superheater；28, reheater；29, evaporator；30, preheater；31, high
Warm steam pipework.
Specific embodiment
To keep the purposes, technical schemes and advantages of present embodiment clearer, below in conjunction in present embodiment
The technical solution in present embodiment is clearly and completely described in attached drawing, it is clear that described embodiment is sheet one
Some embodiments, rather than whole embodiments.Based on the embodiment in sheet, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, the range of this protection is belonged to.
In this description, it is to be understood that the orientation or positional relationship of the instructions such as term "front", "rear" is based on attached
Orientation or positional relationship shown in figure, be merely for convenience of description this and simplify description, rather than indication or suggestion is signified sets
Standby or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this.
In addition, term " first ", " second ", " third ", " the 4th " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " first ", " second ",
The feature of " third ", " the 4th " etc. can explicitly or implicitly include one or more of the features.
In sheet unless specifically defined or limited otherwise, the terms such as term " installation ", " connection ", " fixation " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be mechanical connection, it can also be with
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in sheet.
Embodiment
As shown in Figure 1 and Figure 2, a kind of photo-thermal generating molten salt heat reservoir, including fused salt tower 13, energy-storage system, steam generation
Device system and steam turbine 14, the energy-storage system include gas furnace 15, salt storage tank 16, low-temperature molten salt storage tank 17, described
13 one end of fused salt tower is connected to by fused salt output pipe 18 with the salt storage tank 16, the other end by fused salt turns round pipeline
19 are connected to the low-temperature molten salt storage tank 17, are successively arranged the 11st valve 11, on the fused salt output pipe 18 from front to back
One valve 1 and the second valve 2, interior the first pipeline 20 being equipped with through its furnace body of the gas furnace 15,15 side of gas furnace
First pipeline 20 accesses the fused salt output pipe 18 between the 11st valve 11 and the first valve 1 and the first pipeline of the side
20 to be equipped with third valve 3, fused salt that the first pipeline 20 of the other side accesses between first valve 1 and the second valve 2 defeated
Pipeline 18 and the first pipeline 20 of the side are equipped with the 4th valve 4 out；Fused salt between first valve 1 and the second valve 2
Output pipe 18 is connected to by the second pipeline 21 with the salt storage tank 16, which connects salt storage tank
It is equipped with high-temperature melting salt pump 25 in 16 side, is successively arranged the 5th valve 5 and the 6th valve from front to back on second pipeline 21
Door 6, is communicated with third pipeline 22 between the salt storage tank 16, low-temperature molten salt storage tank 17, which is equipped with
Steam generator system, the steam generator system are connect by high-temperature steam pipeline 31 with steam turbine 14, fused salt revolution
The 12nd valve 12, the tenth valve 10 and the 9th valve 9 are successively arranged on pipeline 19 from front to back, which turns round pipeline 19 and connect
It connects and is equipped with low-temperature molten salt pump 26 in the side of low-temperature molten salt storage tank 17, the fused salt between first valve 1 and the second valve 2 is defeated
The 4th pipeline 23 is connected between pipeline 18 and the low-temperature molten salt storage tank 17 out, the 4th pipeline 23 is equipped with the 8th valve 8,
Fused salt output pipe 18 and the 12nd valve 12 and the tenth valve 10 between 11st valve 11 and the first valve 1
Between fused salt revolution pipeline 19 between be connected with the 5th pipeline 24, the 5th pipeline 24 is equipped with the 7th valve 7.In the present invention
Gas furnace 15, refer not only to burning natural gas stove, while further include burn other fuel stove, also changed including waste heat
Hot stove, first valve 1, the second valve 2, third valve 3, the 4th valve 4, the 5th valve 5, the 6th valve 6, the 7th valve
7, the 8th valve 8, the 9th valve 9, the tenth valve 10, the 11st valve 11, the 12nd valve 12 are all made of motor-driven valve.
Wherein, the steam generator system includes superheater 27, reheater 28, evaporator 29 and preheater 30, described
Superheater 27, reheater 28 are arranged side by side, and superheater 27 and reheater arranged side by side are successively arranged on the third pipeline 22
28, evaporator 29, preheater 30.
The high-temperature melting salt pump 25, low-temperature molten salt 26 quantity of pump are 1 or more, including constant speed pump, governor impeller, flow,
The parameters such as lift can be identical, can not also be identical.
In addition as shown in figure 3, the tenth valve 10 can also be valve group, valve is formed by multiple valves (such as motor-driven valve)
Door group, there is a plurality of controlling brancher.
The working principle of the invention:
1. operate normally, the first valve 1, the second valve 2, the 6th valve 6, the 9th valve 9, the tenth valve the 10, the tenth
One valve 11, the 12nd valve 12 are opened, remaining valve is all closed, and the high-temperature molten salt of the fused salt tower 13 from Jing Chang is through first
Valve 1, the second valve 2 enter salt storage tank 16, high-temperature molten salt through high-temperature melting salt pump 25 boosting after by the 6th valve 6 into
Enter steam generator system, changes thermogenetic high-temperature steam and enter the power generation of steam turbine 14, the low-temperature molten salt after heat exchange returns to
Low-temperature molten salt storage tank 17 returns to the fused salt tower 13 of Jing Chang after 26 boosting of low-temperature molten salt pump by the 9th valve 9, the tenth valve 10
Heating, in cycles；
2. sunlight heating power is insufficient or temperature of molten salt cannot reach design requirement, in order to improve generated energy, it can press
Face mode is run: third valve 3, the 4th valve 4, the second valve 2, the 6th valve 6, the 9th valve 9, the tenth valve the 10, the tenth
One valve 11, the 12nd valve 12 are opened, remaining valve front is closed, and the fused salt from Jing Chang enters gas furnace through third valve 3
Then 15 heating enter salt storage tank 16 through the 4th valve 4, the second valve 2, high-temperature molten salt boosts through high-temperature melting salt pump 25
Enter steam generator system by the 6th valve 6 afterwards, changes thermogenetic high-temperature steam and enter the power generation of steam turbine 14, by heat exchange
Low-temperature molten salt return to low-temperature molten salt storage tank 17, return to after 26 boosting of low-temperature molten salt pump by the 9th valve 9, the tenth valve 10
The fused salt tower 13 of Jing Chang heats, in cycles；
3. the dimension temperature of cool night temperatures fused salt storage tank fused salt can be in the following ways: third valve 3, the 4th valve the 4, the 7th
Valve 7, the 8th valve 8, the 9th valve 9, the tenth valve 10 are opened, remaining valve is all closed；In low-temperature molten salt storage tank 17
Fused salt enters gas furnace through the 9th valve 9, the tenth valve 10, the 7th valve 7, third valve 3 after 26 pressurization of low-temperature molten salt pump
15 heating, the fused salt after heating return to low-temperature molten salt storage tank 17 through the 4th valve 4, the 8th valve 8, maintain low-temperature molten salt storage tank 17
Interior temperature of molten salt；
4. the dimension temperature mode of salt storage tank fused salt: salt storage tank 16 is inner always to have certain fused salt, temperature
It is higher, the regular hour can be maintained, when high-temperature molten salt temperature drops to close to a certain temperature of freezing point or freezing point or more,
Third valve 3, the 4th valve 4, the 7th valve 7, the 8th valve 8, the 9th valve 9, the tenth valve 10 and low-temperature molten salt pump 26 are opened
It opens, while opening the second valve 2, fused salt in low-temperature molten salt storage tank 17 is first allowed to enter salt storage tank after the heating of gas furnace 15
16；Then before 14 unit starting of steam turbine, closing gas furnace 15 and low-temperature molten salt pump 26, unlatching high-temperature melting salt pump 25, the 6th
Valve 6, the 5th valve 5, the 8th valve 8 are opened, other valves are all closed, and the fused salt of salt storage tank 16 can be conveyed
To low-temperature molten salt storage tank 17, the minimum liquid level of salt storage tank 16 is kept.
Use above specific case is merely used to help understand this to being originally illustrated, not to limit this.For
This person of ordinary skill in the field can also make several simple deductions, deformation or replacement according to this thought.
Claims (6)
1. a kind of photo-thermal generating molten salt heat reservoir, which is characterized in that including fused salt tower, energy-storage system, steam generator system
And steam turbine, the energy-storage system include gas furnace, salt storage tank, low-temperature molten salt storage tank, fused salt tower one end passes through
Fused salt output pipe is connected to the salt storage tank, the other end turns round pipeline by fused salt and the low-temperature molten salt storage tank connects
It is logical, the 11st valve, the first valve and the second valve are successively arranged on the fused salt output pipe from front to back, in the gas furnace
Equipped with the first pipeline for running through its furnace body, the first pipeline of the gas furnace side access the 11st valve and the first valve it
Between fused salt output pipe and the first pipeline of the side is equipped with third valve, the first pipeline of the other side accesses first valve
First pipeline of fused salt output pipe and the side between door and the second valve is equipped with the 4th valve；After first valve
Fused salt output pipe be connected to the salt storage tank by the second pipeline, the second piping connection salt storage tank
It is equipped with high-temperature melting salt pump in side, is successively arranged the 5th valve and the 6th valve, the height from front to back on second pipeline
Third pipeline is communicated between temperature molten salt storage tank, low-temperature molten salt storage tank, which is equipped with steam generator system, described
Steam generator system is connect by high-temperature steam pipeline with steam turbine, which is successively arranged the from front to back on the road
12 valves, the tenth valve and the 9th valve, the fused salt turn round molten equipped with low temperature in the side of piping connection low-temperature molten salt storage tank
Salt pump is connected with the 4th between the fused salt output pipe and the low-temperature molten salt storage tank between first valve and the second valve
Pipeline, the 4th pipeline are equipped with the 8th valve, fused salt output pipe and institute between the 11st valve and the first valve
It states and is connected with the 5th pipeline between the fused salt revolution pipeline between the 12nd valve and the tenth valve, the 5th pipeline is equipped with the
Seven valves.
2. a kind of photo-thermal generating molten salt heat reservoir as described in claim 1, which is characterized in that the steam generator system
Including superheater, reheater, evaporator and preheater, the superheater, reheater are arranged side by side, on the third pipeline successively
Equipped with filter and reheater arranged side by side, evaporator, preheater.
3. a kind of photo-thermal generating molten salt heat reservoir as claimed in claim 2, which is characterized in that the second pipeline access digit
On fused salt output pipe between first valve and the second valve or access is located at second valve and high-temperature molten salt
On fused salt output pipe between storage tank.
4. a kind of photo-thermal generating molten salt heat reservoir as claimed any one in claims 1 to 3, which is characterized in that the height
Temperature molten salt pump, low-temperature molten salt pump include constant speed pump, governor impeller.
5. a kind of photo-thermal generating molten salt heat reservoir as claimed in claim 4, which is characterized in that first valve, second
Valve, third valve, the 4th valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the 9th valve, the tenth valve,
11st valve, the 12nd valve are any one in motor-driven valve, hand-operated valve, pneumatic operated valve and hydraulic valve.
6. a kind of photo-thermal generating molten salt heat reservoir as claimed in claim 5, which is characterized in that the tenth valve is independent
Valve or valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792294.XU CN208536415U (en) | 2018-05-25 | 2018-05-25 | A kind of photo-thermal generating molten salt heat reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792294.XU CN208536415U (en) | 2018-05-25 | 2018-05-25 | A kind of photo-thermal generating molten salt heat reservoir |
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| Publication Number | Publication Date |
|---|---|
| CN208536415U true CN208536415U (en) | 2019-02-22 |
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ID=65394225
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820792294.XU Expired - Fee Related CN208536415U (en) | 2018-05-25 | 2018-05-25 | A kind of photo-thermal generating molten salt heat reservoir |
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| CN (1) | CN208536415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057115A (en) * | 2019-04-25 | 2019-07-26 | 上海锅炉厂有限公司 | A kind of light, electricity complementary trough photovoltaic power generation system and its operation method |
| CN113587064A (en) * | 2021-07-12 | 2021-11-02 | 西安交通大学 | Mirror field starting and stopping system of photo-thermal power station and control method |
| CN114961908A (en) * | 2022-06-07 | 2022-08-30 | 华能国际电力股份有限公司 | Solar coal-fired coupling power generation system and method |
-
2018
- 2018-05-25 CN CN201820792294.XU patent/CN208536415U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057115A (en) * | 2019-04-25 | 2019-07-26 | 上海锅炉厂有限公司 | A kind of light, electricity complementary trough photovoltaic power generation system and its operation method |
| CN113587064A (en) * | 2021-07-12 | 2021-11-02 | 西安交通大学 | Mirror field starting and stopping system of photo-thermal power station and control method |
| CN114961908A (en) * | 2022-06-07 | 2022-08-30 | 华能国际电力股份有限公司 | Solar coal-fired coupling power generation system and method |
| CN114961908B (en) * | 2022-06-07 | 2023-05-05 | 华能国际电力股份有限公司 | Solar coal-fired coupled power generation system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |