CN207555562U - A kind of energy-storage system for island network - Google Patents
A kind of energy-storage system for island network Download PDFInfo
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- CN207555562U CN207555562U CN201721636834.7U CN201721636834U CN207555562U CN 207555562 U CN207555562 U CN 207555562U CN 201721636834 U CN201721636834 U CN 201721636834U CN 207555562 U CN207555562 U CN 207555562U
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Abstract
The utility model provides a kind of energy-storage system for island network, including cold salt cellar, buffering heating salt cellar, hot salt cellar, superheater, steam generator and feed water preheater, cold salt cellar, buffering heating salt cellar, hot salt cellar, superheater, steam generator and feed water preheater are in turn connected into primary Ioops by pipeline, control valve is equipped on pipeline between the cold salt cellar and the buffering heating salt cellar and on the pipeline between the buffering heating salt cellar and the hot salt cellar, cold salt pump is equipped in the cold salt cellar, the first pump for liquid salts is equipped in the buffering heating salt cellar, the second pump for liquid salts is equipped in the hot salt cellar, multiple electric heaters are equipped in the buffering heating salt cellar, the electric heater is connected with has more than needed the connector of load for accessing island network.The utility model uses power generation molten salt energy storage system, can receive load of having more than needed in island network operation, ensures power grid even running, efficiently using the energy stored, avoids energy waste.
Description
Technical field
The utility model is related to energy conservation and environmental protection field more particularly to a kind of energy-storage systems for island network.
Background technology
In order to reduce business electrical cost, big power consumer enterprise seeks to establish island network system one after another, current existing refining
Aluminium manufacturer establishes island network system by internal power plant for self-supply, realizes 100% self power generation.However for steel plant by
It is very frequent in its load fluctuation, and fluctuating range is big, steel mill's island network difficulty is established in order to be increased.Existing island network scheme
In, after steel mill's power load declines, since the hysteresis quality that generating set is adjusted cannot reduce immediately load, power generation can be caused negative
Lotus is more than power load, and existing scheme absorbs extra most of generation load using steam turbine water resistance one after another, ensures isolated electricity
Net safe operation, but can cause energy that can not utilize in this way, energy efficiency is low.In order to promote efficiency of energy utilization, improve
The economy of steel mill's island network, the exploitation efficient energy-storage system of island network are very necessary.
Utility model content
The purpose of this utility model is to provide a kind of energy-storage systems for island network, it is intended to existing for solving
The problem of meeting to make full use of, leading to energy waste more than needed of island network.
The utility model is realized in this way：
The utility model provides a kind of energy-storage system for island network, including cold salt cellar, buffering heating salt cellar, hot salt
Tank, superheater, steam generator and feed water preheater, the cold salt cellar, the buffering heating salt cellar, the hot salt cellar, institute
It states superheater, the steam generator and the feed water preheater and primary Ioops, the cold salt cellar is in turn connected by pipeline
On pipeline on pipeline between the buffering heating salt cellar and between the buffering heating salt cellar and the hot salt cellar
Equipped with control valve, cold salt pump is equipped in the cold salt cellar, the first pump for liquid salts, the hot salt cellar are equipped in the buffering heating salt cellar
The second pump for liquid salts is inside equipped with, is equipped with multiple electric heaters in the buffering heating salt cellar, the electric heater is connected with to connect
Enter island network to have more than needed the connector of load.
Further, each electric heater be respectively connected with one can quickly cut off with the on-off system that connects, it is described logical
Disconnected device is located at the outside that the buffering heats salt cellar.
Further, the first salt distribution ring is equipped in the buffering heating salt cellar, the first salt distribution ring is located at described
The top of electric heater.
Further, first pump for liquid salts is located at the buffering and heats the bottom of salt cellar and be located at the electric heater
Lower section is connected between first pump for liquid salts and the first salt distribution ring by pipeline.
Further, at least two first pump for liquid salts are equipped in each buffering heating salt cellar.
Further, the buffering heating salt cellar has at least two and passes through with the cold salt cellar and the hot salt cellar
Pipeline connects.
Further, the second salt distribution ring is equipped in the cold salt cellar, third salt distribution ring is equipped in the hot salt cellar,
The second salt distribution ring and the third salt distribution ring are respectively positioned on bottom in corresponding tank.
Further, it is equipped with electric heater in the cold salt cellar and the hot salt cellar.
Further, the cold salt pump in the cold salt cellar is equipped with multiple, and the second pump for liquid salts in the hot salt cellar is equipped with more
It is a.
Further, the feed water preheater is equipped with feed-water intake, and the superheater is equipped with steam (vapor) outlet.
Compared with prior art, the utility model has the advantages that：
This energy-storage system for island network provided by the utility model using power generation molten salt energy storage system, can receive
It has more than needed in island network operation load, ensures power grid even running, while energy is stored in storage tank, and is gradually released as needed
It puts, efficiently using the energy of storage, avoids the waste of the energy, improve the economy of power grid.
Description of the drawings
Fig. 1 is a kind of energy-storage system structure diagram for island network that the utility model embodiment provides.
Reference sign：The cold salt cellars of 1-, the second salt of 11- distribution ring, the cold salt pumps of 12-, 2- buffering heating salt cellar, 21- the
One salt distribution ring, 22- electric heaters, the first pump for liquid salts of 23-, 24- on-off systems, 25- connectors, the hot salt cellars of 3-, 31- third salinities
With ring, the second pump for liquid salts of 32-, 4- superheaters, 41- steam (vapor) outlets, 5- steam generators, 6- feed water preheaters, 61- feed water into
Mouth, 7- control valves.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model embodiment provide a kind of energy-storage system for island network, including cold salt cellar 1,
Buffering heating salt cellar 2, hot salt cellar 3, superheater 4, steam generator 5 and feed water preheater 6, the cold salt cellar 1, the buffering
Heating salt cellar 2, the hot salt cellar 3, the superheater 4, the steam generator 5 and the feed water preheater 6 pass through pipeline
Primary Ioops are in turn connected into, on the pipeline between the cold salt cellar 1 and the buffering heating salt cellar 2 and the buffering heating salt
Be equipped with control valve 7 on pipeline between tank 2 and the hot salt cellar 3, the control valve 7 be arranged as required to it is multiple, simultaneously
Control valve 7 also is provided on a plurality of spare duct, ensures system normal operation.Cold salt pump 12 is equipped in the cold salt cellar 1, it is described
The first pump for liquid salts 23 is equipped in buffering heating salt cellar 2, the second pump for liquid salts 32 is equipped in the hot salt cellar 3, by the pump housing to fused salt
It is shifted.Multiple electric heaters 22, for electrical heating fused salt, the electric heater 22 are equipped in the buffering heating salt cellar 2
It is connected with and has more than needed the connector 25 of load for accessing island network.The island network energy-storage system carries out energy storage using fused salt, melts
Salt can be Molten Binary Salts, also can be ternary molten salt etc., and the fused salt in cold salt cellar 1 is entered slow through supercooling salt pump 12 by control valve 7
In punching heating salt cellar 2, the generation load more than needed of island network accesses the electric heater in buffering heating salt cellar 2 by connector 25
22, electric heater 22 heats fused salt, and when fused salt is heated to set temperature, hot salt cellar is sent by the first pump for liquid salts 23
In 3, the fused salt in hot salt cellar 3 sequentially enters superheater 4, steam generator 5, feedwater by the second pump for liquid salts 32 by pipeline
Superheated steam is generated in preheater 6, the superheated steam of generation can be used for generating electricity or other industrial productions, feed water preheater 6 are cold
But the fused salt after is sent into through piping in cold salt cellar 1.The power generation molten salt energy storage system can receive load of having more than needed in island network operation,
Ensure power grid even running, while energy be stored in storage tank, and is gradually discharged as needed, efficiently utilize the energy of storage,
The waste of the energy is avoided, improves the economy of power grid.
Optimize above-described embodiment, it is described buffering heating salt cellar 2 have at least two and with the cold salt cellar 1 and the heat
Salt cellar 2 is connected by pipeline, and the quantity of buffering heating salt cellar 2 is three in the present embodiment, and each buffering heating salt cellar 2 is mutual indepedent
It works, single can run；When one of buffering heating salt cellar 2 is heated, other buffering heating salt cellars 2 can be by the
One pump for liquid salts 23 send fused salt into hot salt cellar 3.
Optimize above-described embodiment, being respectively connected with one between each electric heater 22 and the corresponding connector 25 can be fast
Speed cut-out and the on-off system 24 connected, the on-off system 24 are located at the outside that the buffering heats salt cellar 2, on-off system 24
It is suitable for the frequent break-make of power supply.
Optimize above-described embodiment, the first salt distribution ring 21, the first salt distribution ring are equipped in the buffering heating salt cellar 2
21 are located at the top of the electric heater 22.It is set in each buffering heating salt cellar 2 there are two the first pump for liquid salts 23, described the
The buffering that one pump for liquid salts 23 is located at heats the bottom of salt cellar 2 and positioned at the lower section of the electric heater 22, first fused salt
It is connected between pump 23 and the first salt distribution ring 21 by pipeline.First pump for liquid salts 23 is for fused salt in increase tank when heated
Flowing heat transfer prevents hot-spot, is additionally operable to that the fused salt after heating is fed into hot salt cellar 3 when fused salt discharges.By first
Salt distribution ring 21 is placed in the top of electric heater 22, and the first pump for liquid salts 23 is located at the lower section of electric heater 22, utilizes density contrast original
Reason, high-temperature molten salt move upwards, and low-temperature molten salt moves downward, and is conducive to heat.
Optimize above-described embodiment, the second salt distribution ring 11 is equipped in the cold salt cellar 1, the is equipped in the hot salt cellar 3
Three salt distribution rings 31, the second salt distribution ring 11 and the third salt distribution ring 31 are respectively positioned on bottom in corresponding tank, pass through
Salt distribution ring is evenly distributed to entering the fused salt in tank so that fused salt is more evenly distributed in tank.Further, the cold salt
Electric heater is equipped in tank 1 and the hot salt cellar 3, for ensureing that temperature is not less than setting temperature in tank.Further, it is described
Cold salt pump 12 in cold salt cellar 1 is equipped with multiple, and the second pump for liquid salts 32 in the hot salt cellar 3 is equipped with multiple, can accelerate fused salt
Transfer velocity, in the present embodiment, the quantity of the cold salt pump 12 and second pump for liquid salts 32 is three, is heated with buffering
The quantity of salt cellar 2 is consistent.
Further, the feed water preheater 6 is equipped with feed-water intake 61, and the superheater 4 is equipped with steam (vapor) outlet 41.
It is supplied water by feed-water intake 61, generating high temperature and pressure by feed water preheater 6, steam generator 5 and superheater 4 successively steams
Vapour, superhigh-pressure high-temp steam and other parameter steam can be sent into steel mill's generating set and generate electricity, and can also be used as other techniques
Steam is utilized.
The specific work process of the energy-storage system for island network of the utility model embodiment includes the following steps：
Step 1：When island network is run, the fused salt in cold salt cellar 1 is pumped into buffering heating salt cellar 2 using cold salt pump 12,
It is evenly distributed by the first fused salt distribution ring 21.
Step 2：It is had more than needed load using island network, electrified regulation is carried out to partial buffer heating salt cellar 2, treats that fused salt heats
It to assigned temperature, is sent into hot salt cellar 3 by the first pump for liquid salts 23, at this time when island network still has load more than needed, bears
The other buffering heating salt cellars 2 of lotus access.
Step 3：When buffering heating salt cellar 2 heats, the first pump for liquid salts 23 remains operational, but maintains recurrent state in tank, i.e.,
Bottom fused salt is sent by the first pump for liquid salts 23 to the first salt distribution ring 21, ensures that fused salt is evenly heated.
Step 4：The hot salt for being stored in hot salt cellar 3 is pumped into superheater 4 by the second pump for liquid salts 32, then in turn through
Steam generator 5, feed water preheater 6 for generating high-temperature steam, can be sent into steel mill's generating set and generate electricity, can also make
It is utilized for other process steams.
Step 5：In step 4, when temperature is less than fused salt solidification point at feed-water intake 61, fused salt passes through steam generator 5
Afterwards, it is directly entered in cold salt cellar 1, feed water preheater 6 is preheated using the steam generated in steam generator 5.
Step 6：When island network system jam is stopped transport, cold salt cellar 1, buffering heating salt cellar 2, hot salt cellar 3 are monitored
Internal temperature of molten salt when less than setting value, starts electric heater, ensures that fused salt does not solidify.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of energy-storage system for island network, it is characterised in that：Including cold salt cellar, buffering heating salt cellar, hot salt cellar, mistake
Hot device, steam generator and feed water preheater, the cold salt cellar, the buffering heating salt cellar, the hot salt cellar, the overheat
Device, the steam generator and the feed water preheater are in turn connected into primary Ioops by pipeline, the cold salt cellar with it is described
Control is equipped on pipeline between buffering heating salt cellar and on the pipeline between the buffering heating salt cellar and the hot salt cellar
Valve processed is equipped with cold salt pump in the cold salt cellar, is equipped with the first pump for liquid salts in the buffering heating salt cellar, is equipped in the hot salt cellar
Second pump for liquid salts, the buffering heating salt cellar is interior to be equipped with multiple electric heaters, and the electric heater is connected with isolated for accessing
Power grid is had more than needed the connector of load.
2. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：Each electric heater connects
It is connected to one and can quickly cut off and be located at the outside that the buffering heats salt cellar with the on-off system that connects, the on-off system.
3. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：It is set in the buffering heating salt cellar
There is the first salt distribution ring, the first salt distribution ring is located at the top of the electric heater.
4. it to be used for the energy-storage system of island network as claimed in claim 3, it is characterised in that：First pump for liquid salts is located at institute
State the bottom of buffering heating salt cellar and positioned at the lower section of the electric heater, first pump for liquid salts and the first salt distribution ring
Between connected by pipeline.
5. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：Each buffering heating salt cellar
Inside it is equipped at least two first pump for liquid salts.
6. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：The buffering heating salt cellar has
It at least two and is connect with the cold salt cellar and the hot salt cellar by pipeline.
7. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：Second is equipped in the cold salt cellar
Salt distribution ring is equipped with third salt distribution ring in the hot salt cellar, and the second salt distribution ring and the third salt distribution ring are equal
The bottom in corresponding tank.
8. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：The cold salt cellar and the hot salt
Electric heater is equipped in tank.
9. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：Cold salt pump in the cold salt cellar
Equipped with multiple, the second pump for liquid salts in the hot salt cellar is equipped with multiple.
10. it to be used for the energy-storage system of island network as described in claim 1, it is characterised in that：It is set on the feed water preheater
There is feed-water intake, the superheater is equipped with steam (vapor) outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636834.7U CN207555562U (en) | 2017-11-30 | 2017-11-30 | A kind of energy-storage system for island network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636834.7U CN207555562U (en) | 2017-11-30 | 2017-11-30 | A kind of energy-storage system for island network |
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| Publication Number | Publication Date |
|---|---|
| CN207555562U true CN207555562U (en) | 2018-06-29 |
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ID=62678227
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721636834.7U Active CN207555562U (en) | 2017-11-30 | 2017-11-30 | A kind of energy-storage system for island network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906489A (en) * | 2017-11-30 | 2018-04-13 | 武汉都市环保工程技术股份有限公司 | A kind of energy-storage system for island network |
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2017
- 2017-11-30 CN CN201721636834.7U patent/CN207555562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906489A (en) * | 2017-11-30 | 2018-04-13 | 武汉都市环保工程技术股份有限公司 | A kind of energy-storage system for island network |
| CN107906489B (en) * | 2017-11-30 | 2024-03-19 | 中冶南方都市环保工程技术股份有限公司 | Energy storage system for isolated power grid |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 430205 No. 59 Liufang Avenue, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye Southern Urban Environmental Protection Engineering Technology Co., Ltd. Address before: 430205 No. 59 Liufang Road, CCEPC Industrial Park, Donghu High-tech Zone, Wuhan City, Hubei Province Patentee before: Wuhan Urban Environment Protection Engineering Techn Co., Ltd. |