CN206258010U - A kind of electrical heating concurrent heating system - Google Patents
A kind of electrical heating concurrent heating system Download PDFInfo
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- CN206258010U CN206258010U CN201621117918.5U CN201621117918U CN206258010U CN 206258010 U CN206258010 U CN 206258010U CN 201621117918 U CN201621117918 U CN 201621117918U CN 206258010 U CN206258010 U CN 206258010U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
A kind of electrical heating concurrent heating system, including：Hot salt cellar, for storing high-temperature molten salt；Cold salt cellar, for storing low-temperature molten salt；Electric heater, is delivered to hot salt cellar after the low-temperature molten salt heating of self cooling salt cellar in the future；Heat exchanger, future, the high-temperature molten salt of self-heating salt cellar carried out obtaining low-temperature molten salt after energy exchange being delivered to cold salt cellar；Between electric heater and hot salt cellar, between hot salt cellar and heat exchanger, transfer pipeline is respectively arranged between heat exchanger and cold salt cellar and in the middle of cold salt cellar and electric heater, for conveying fused salt, transfer pipeline and/or hot salt cellar and/or being orderly arranged outside each for cold salt cellar are electric heating layer, phase-change thermal storage layer and heat-insulation layer, wherein, electric heating layer, for being heated for phase-change thermal storage layer, heat-insulation layer, for being incubated for phase-change thermal storage layer, fused salt is reduced in transfer pipeline and/or the energy loss of hot salt cellar and/or cold salt cellar, be conducive to improving generating and the heat supply efficiency of electrical heating concurrent heating system.
Description
Technical field
The utility model is related to a kind of hold over system, and in particular to a kind of electrical heating concurrent heating system.
Background technology
With the development and the raising of living standards of the people of society, China's power structure is there occurs drastically and change, it is high
Peak electric power wretched insufficiency, peak-valley difference is continued to increase, the generating set fallback of paddy phase, to solve this contradiction, in electric power row
Industry proposes " peak load shifting " measure, implements time-of-use tariffs, encourages the electricity consumption of paddy phase, melts salt system using electrical heating to realize collection
Middle heating, can in low power consumption by unnecessary electrical power conversion into thermal energy storage in high-temperature molten salt, when peak times of power consumption
The heat that will be stored again is discharged and for heating or be peak phase auxiliary power supply, not only solves city coal-burning boiler to sky
The pollution of gas, even more alleviates an effective technological approaches of power network peak-valley difference, but existing fused salt hold over system, typically just
Using paddy electricity by electric heater heat, become high-temperature molten salt and be stored in high temperature melting salt cellar, but, high-temperature molten salt generate electricity or
In heating transfer pipeline, there is thermal losses in pipeline, cause energy waste, then reduce the utilization ratio of high-temperature molten salt.
The content of the invention
Therefore, the technical problems to be solved in the utility model is to overcome high-temperature molten salt in the prior art generating electricity or heating
There is the defect of thermal losses reduction energy utilization efficiency in transfer pipeline.
In view of this, the utility model provides a kind of electrical heating concurrent heating system, including：
Hot salt cellar, for storing high-temperature molten salt；
Cold salt cellar, for storing low-temperature molten salt；
Electric heater, the hot salt cellar is delivered to after being heated from the low-temperature molten salt of the cold salt cellar；
Heat exchanger, carries out obtaining the low-temperature molten salt after energy exchange defeated by the high-temperature molten salt from the hot salt cellar
Deliver to the cold salt cellar；
Between the electric heater and the hot salt cellar, between the hot salt cellar and the heat exchanger, the heat exchanger
Transfer pipeline is respectively arranged between the cold salt cellar and in the middle of the cold salt cellar and the electric heater, it is molten for conveying
Salt, it is characterised in that
The transfer pipeline and/or the hot salt cellar and/or being orderly arranged outside each for the cold salt cellar are electric heating layer, phase
Become reservoir and heat-insulation layer, wherein, the electric heating layer, for being heated for phase-change thermal storage layer, the heat-insulation layer is used for
For phase-change thermal storage layer is incubated.
Further, the electric heating layer is connected with power supply respectively with the electric heater, and the power supply is supplied using paddy electricity
Electricity.
Further, also including kinetic pump, the kinetic pump connects the hot salt cellar, the cold salt cellar and described respectively
Transfer pipeline, the fused salt conveying of respectively described hot salt cellar, the cold salt cellar and the transfer pipeline provides power.
Further, the side of the hot salt cellar is provided with salt outlet, and the bottom of the tank of the cold salt cellar is provided with salt discharge
Mouthful.
Further, first sensor is provided with the hot salt cellar, the first temperature for detecting the hot salt cellar
Value；
Second sensor is provided with the heat exchanger, the second temperature value for detecting the heat exchanger；
3rd sensor is provided with phase-change thermal storage layer, the 3rd temperature for detecting the phase-change thermal storage layer
Value.
Further, the first sensor, the second sensor and the 3rd sensor respectively with controller
Connection, the controller is used to control the electrical heating according to first temperature value, second temperature value and the 3rd temperature value
The heat time of device and the electric heating layer.
Further, the first liquid level sensor is additionally provided with the hot salt cellar, it is molten in the hot salt cellar for detecting
Salt liquid level；
The second liquid level sensor is additionally provided with the cold salt cellar, the fused salt liquid level for detecting the cold salt cellar.
Further, first liquid level sensor and second liquid level sensor are also connected with controller respectively, institute
Controller is stated for controlling the opening/closing of the salt outlet with second level value according to first level value.
Further, the heat exchanger is phase-change heat-exchanger.
A kind of electrical heating concurrent heating system that the utility model is provided, including：Hot salt cellar, cold salt cellar, electric heater, heat exchanger
And be electricity in transfer pipeline and/or hot salt cellar and/or being orderly arranged outside each for cold salt cellar for conveying the transfer pipeline of fused salt
Zone of heating, phase-change thermal storage layer and heat-insulation layer, electric heating layer are phase-change thermal storage layer heating, and heat-insulation layer is phase-change thermal storage layer insulation,
In the program, electric heating layer is used for phase-change thermal storage layer heating, by phase-change thermal storage layer be wrapped in transfer pipeline and/or hot salt cellar and/
Or the outside of cold salt cellar, thermal loss of the high-temperature molten salt when transfer pipeline and/or hot salt cellar and/or cold salt cellar are conveyed is reduced,
Be conducive to improving and generate electricity or heat supply efficiency, heat-insulation layer is phase-change thermal storage layer insulation, reduces thermal losses, improves energy conversion
Rate, so as to solve existing fused salt hold over system, typically just using paddy electricity is by electric heater heating fused salt and will become
The fused salt of high temperature is stored in high temperature melting salt cellar, but, in generating electricity or heating transfer pipeline, there is heat in pipeline to high-temperature molten salt
Loss, easily causes energy waste, reduces the problem of the utilization ratio of high-temperature molten salt.
Brief description of the drawings
In order that content of the present utility model is more likely to be clearly understood, below according to specific implementation of the present utility model
Example and with reference to accompanying drawing, the utility model is described in further detail, wherein
Fig. 1 is a kind of structural representation of electrical heating concurrent heating system that the utility model embodiment is provided；
Fig. 2 is a kind of structural representation of the integument of electrical heating concurrent heating system that the utility model embodiment is provided.
Specific embodiment
A kind of electrical heating concurrent heating system that the utility model embodiment is provided, in fuse salt energy conversion system, using
Energy in energy conversion process is improved, reducing energy consumption.The electrical heating concurrent heating system as shown in figure 1, including：Power supply 11, heat
Salt cellar 14, cold salt cellar 15, electric heater 12, heat exchanger 16 and transfer pipeline 19, as shown in Fig. 2 also include electric heating layer 23,
Phase-change thermal storage layer 22 and heat-insulation layer 21, wherein,
Hot salt cellar 14, for storing high-temperature molten salt, and the side of the tank in hot salt cellar 14 is provided with salt outlet, for by height
Temperature molten salt is transported in heat exchanger 16 by transfer pipeline 19；
Cold salt cellar 15, for storing low-temperature molten salt, and the bottom of the tank in cold salt cellar 15 is provided with salt outlet, for will be low
Temperature molten salt is transmitted back to heater, carries out next round heating accumulation of heat；
Electric heater 12, is delivered to hot salt cellar, electric heater 12 and power supply after the low-temperature molten salt heating of self cooling salt cellar in the future
11 connections, power supply 11 is powered using paddy electricity, and paddy electricity can specifically determine that general paddy electricity is usual according to the electricity consumption situation of different regions
For night hours are used, evening fused salt is heated and stores energy, is heated for daytime or generating is used, and makes full use of
Valley period power power, alleviates power network peak-valley difference, has saved the energy, and coal combustion is instead of by using valley period power power, reduces coal and uses
Amount, greatly reduces the pollution to air；
Heat exchanger 16, future, the high-temperature molten salt of self-heating salt cellar carried out obtaining low-temperature molten salt after energy exchange being delivered to cold salt
Tank, wherein heat exchanger 16 are phase-change heat-exchanger, instead of the buffering heat exchanger of current high-temperature molten salt, it is to avoid high-temperature fusion salt with
Water direct heat-exchange, reduces impact of the vapour pressure of moment generation to equipment；
Between electric heater and hot salt cellar, between hot salt cellar and heat exchanger, between heat exchanger and cold salt cellar and cold salt
Transfer pipeline 19 is respectively arranged with the middle of tank and electric heater, for conveying fused salt, transfer pipeline 19 and hot salt cellar 14 and cold salt
Being orderly arranged outside each for tank 15 is electric heating layer 23, phase-change thermal storage layer 22 and heat-insulation layer 21, wherein, electric heating layer 23 be used for be
Phase-change thermal storage layer 22 is heated, and heat-insulation layer 21 is used to be incubated for phase-change thermal storage layer 22, wherein, electric heating layer 23, phase-change thermal storage layer 22
And heat-insulation layer 21 lays the number of plies and can lay requirement setting according to specific.
As disposable embodiment, it is also possible to only set above-mentioned electric heating layer 23, phase in the outside of transfer pipeline 19
Become reservoir 22 and heat-insulation layer 21, the thermal losses for reducing the fuse salt in transfer pipeline, in raising transmitting procedure
Energy transformation ratio.In addition it is also possible to only set above-mentioned electric heating layer 23, phase-change thermal storage layer 22 and guarantor in the outside of hot salt cellar 14
Warm layer 21, the temperature for keeping the fuse salt in hot salt cellar 14, reducing energy consumption.It is of course also possible in the outside of cold salt cellar 15
Above-mentioned electric heating layer 23, phase-change thermal storage layer 22 and heat-insulation layer 21 is set, with the temperature for keeping the fuse salt in cold salt cellar 15.
As other embodiments, it is also possible to which any two position sets electricity and adds in transfer pipeline 19, hot salt cellar 14, cold salt cellar 15
Thermosphere 23, phase-change thermal storage layer 22 and heat-insulation layer 21.
Used as the embodiment of further optimization, the electrical heating concurrent heating system also includes kinetic pump, and kinetic pump is connected respectively
Hot salt cellar 14, cold salt cellar 15 and transfer pipeline 19, the fused salt of respectively hot salt cellar 14, cold salt cellar 15 and transfer pipeline 19 are defeated
Offer power is provided.
The electrical heating concurrent heating system that the utility model embodiment is provided, by transfer pipeline, hot salt cellar, cold salt cellar it is outer
Side sets electric heating layer, phase-change thermal storage layer and heat-insulation layer, existing fused salt hold over system is solved, typically just using paddy electricity
The fused salt for heating fused salt by electric heater and becoming high temperature is stored in high temperature melting salt cellar, but, high-temperature molten salt is generating electricity
Or in heating transfer pipeline, pipeline has thermal losses, easily cause energy waste, the utilization ratio for reducing high-temperature molten salt is asked
Topic.
Mode is preferably carried out as one, first sensor is provided with hot salt cellar 14, for detecting hot salt cellar 14
The first temperature value；Second sensor is provided with heat exchanger 16, the second temperature value for detecting heat exchanger 16；In phase transformation
3rd sensor is provided with reservoir 22, the 3rd temperature value for detecting phase-change thermal storage layer 22, wherein, first sensor,
Second sensor and 3rd sensor are connected with controller 13 respectively, and controller 13 is used for according to the first temperature value, the second temperature
The heat time of angle value and the 3rd temperature value control electric heater 12 and electric heating layer 23, according to the actual efficiency of heating surface and heating
Time, control program is integrated in controller 13, is then distinguished by first sensor, second sensor and 3rd sensor
The first temperature value, second temperature value and the 3rd temperature value for sensing, realize the auto accumulation heat of the electrical heating concurrent heating system；
The first liquid level sensor is additionally provided with hot salt cellar 14, for detecting the fused salt liquid level in hot salt cellar 14；Cold salt cellar
The second liquid level sensor is additionally provided with 15, the fused salt liquid level for detecting cold salt cellar 15, wherein, the first liquid level sensor and the
Two liquid level sensors are also connected with controller respectively, and controller is used for according to the first level value and the second level value control salt outlet
It is opening/closing, the first liquid level sensor can be arranged on the tank top of hot salt cellar 14, and the second liquid level sensor can be arranged on cold salt
Tank 15, monitors the fused salt storage capacity of hot salt cellar 14 and cold salt cellar 15 and is transferred to controller 13, and fused salt is realized by controller 13
Uninterrupted flowing in transfer pipeline 19, makes the heat of fused salt be fully used.
The electrical heating concurrent heating system that above-described embodiment is provided, by setting first sensor, second sensor, the 3rd sensing
Device and the first liquid level sensor, the second liquid level sensor, the heat time of the electrical heating concurrent heating system is realized by controller
With automatically controlling that fused salt circulates.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (9)
1. a kind of electrical heating concurrent heating system, including：
Hot salt cellar, for storing high-temperature molten salt；
Cold salt cellar, for storing low-temperature molten salt；
Electric heater, the hot salt cellar is delivered to after being heated from the low-temperature molten salt of the cold salt cellar；
Heat exchanger, the high-temperature molten salt from the hot salt cellar is carried out obtaining the low-temperature molten salt after energy exchange to be delivered to
The cold salt cellar；
Between the electric heater and the hot salt cellar, between the hot salt cellar and the heat exchanger, the heat exchanger and institute
State between cold salt cellar and be respectively arranged with transfer pipeline in the middle of the cold salt cellar and the electric heater, for conveying fused salt,
Characterized in that,
The transfer pipeline and/or the hot salt cellar and/or being orderly arranged outside each for the cold salt cellar are electric heating layer, phase transformation storage
Thermosphere and heat-insulation layer, wherein, the electric heating layer, for being heated for phase-change thermal storage layer, the heat-insulation layer, for being institute
State phase-change thermal storage layer insulation.
2. electrical heating concurrent heating system according to claim 1, it is characterised in that the electric heating layer and the electric heater
It is connected with power supply respectively, the power supply is powered using paddy electricity.
3. electrical heating concurrent heating system according to claim 1, it is characterised in that also including kinetic pump, the kinetic pump point
The hot salt cellar, the cold salt cellar and the transfer pipeline, respectively described hot salt cellar, the cold salt cellar and institute are not connected
The fused salt conveying for stating transfer pipeline provides power.
4. electrical heating concurrent heating system according to claim 1, it is characterised in that the side of the hot salt cellar is provided with salt discharge
Mouthful, the bottom of the tank of the cold salt cellar is provided with salt outlet.
5. electrical heating concurrent heating system according to claim 1, it is characterised in that
First sensor is provided with the hot salt cellar, the first temperature value for detecting the hot salt cellar；
Second sensor is provided with the heat exchanger, the second temperature value for detecting the heat exchanger；
3rd sensor is provided with phase-change thermal storage layer, the 3rd temperature value for detecting the phase-change thermal storage layer.
6. electrical heating concurrent heating system according to claim 5, it is characterised in that the first sensor, described second pass
Sensor and the 3rd sensor are connected with controller respectively, and the controller is used for according to first temperature value, second
Temperature value and the 3rd temperature value control the heat time of the electric heater and the electric heating layer.
7. electrical heating concurrent heating system according to claim 1, it is characterised in that
The first liquid level sensor is additionally provided with the hot salt cellar, for detecting the fused salt liquid level in the hot salt cellar；
The second liquid level sensor is additionally provided with the cold salt cellar, the fused salt liquid level for detecting the cold salt cellar.
8. electrical heating concurrent heating system according to claim 7, it is characterised in that first liquid level sensor and described
Two liquid level sensors are also connected with controller respectively, and the controller is used for according to first level value and second liquid level
Value controls the opening/closing of the salt outlet.
9. electrical heating concurrent heating system according to claim 1, it is characterised in that the heat exchanger is phase-change heat-exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117918.5U CN206258010U (en) | 2016-10-12 | 2016-10-12 | A kind of electrical heating concurrent heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117918.5U CN206258010U (en) | 2016-10-12 | 2016-10-12 | A kind of electrical heating concurrent heating system |
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| CN206258010U true CN206258010U (en) | 2017-06-16 |
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| CN201621117918.5U Active CN206258010U (en) | 2016-10-12 | 2016-10-12 | A kind of electrical heating concurrent heating system |
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Cited By (4)
| 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 |
| CN109916210A (en) * | 2017-12-12 | 2019-06-21 | 北京华业阳光新能源有限公司 | The fused salt heat reservoir of skid-mounted type |
| CN110657067A (en) * | 2019-11-14 | 2020-01-07 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN115143550A (en) * | 2022-05-20 | 2022-10-04 | 华中科技大学 | Cold and hot combined supply system based on phase-change material |
-
2016
- 2016-10-12 CN CN201621117918.5U patent/CN206258010U/en active Active
Cited By (6)
| 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 |
| CN109916210A (en) * | 2017-12-12 | 2019-06-21 | 北京华业阳光新能源有限公司 | The fused salt heat reservoir of skid-mounted type |
| CN110657067A (en) * | 2019-11-14 | 2020-01-07 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN110657067B (en) * | 2019-11-14 | 2024-03-15 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN115143550A (en) * | 2022-05-20 | 2022-10-04 | 华中科技大学 | Cold and hot combined supply system based on phase-change material |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: State Grid Corporation of China Patentee after: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. Address before: 102211 Beijing city Changping District Xiaotangshan town big East Village Road No. 270 Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE |
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| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. Address before: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190723 Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. Co-patentee after: STATE GRID SHANXI ELECTRIC POWER Co. Address before: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |