CN107328281A - A kind of new heat reservoir system - Google Patents
A kind of new heat reservoir system Download PDFInfo
- Publication number
- CN107328281A CN107328281A CN201710710339.4A CN201710710339A CN107328281A CN 107328281 A CN107328281 A CN 107328281A CN 201710710339 A CN201710710339 A CN 201710710339A CN 107328281 A CN107328281 A CN 107328281A
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- CN
- China
- Prior art keywords
- heat
- storage container
- heat storage
- reservoir system
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of new heat reservoir system, including electric control gear, heat exchanger and at least one regenerative apparatus, the regenerative apparatus includes being provided with electric heater unit on the heat storage container for being used to contain phase-change material, the heat storage container；Side-entrance of the heat exchanger connects the bottom end outlet of the heat storage container by pipeline, side outlet of the heat exchanger connects the top import of the heat storage container by pipeline, and the connecting pipe of the primary side of the heat exchanger and the heat storage container is provided with delivery pump；Also include storage tank, the connecting pipe between the heat exchanger and heat storage container is connected to the storage tank, and heat storage container top import or bottom end outlet are connected with compressed air adapter, and the compressed air adapter is provided with switch valve.The new heat reservoir system of the present invention, electric cost is low, and storing heat is more, occupies little space.
Description
Technical field
The present invention relates to thermal storage equipment technical field, specifically, it is related to a kind of new heat reservoir system.
Background technology
Daily electricity consumption is divided into the more peak of power consumption electric period and power consumption relatively low paddy electricity period, at daily 23 points
It is the paddy electricity period to 7 periods of morning, in order to improve the economic benefit of supply of electric power department, encourages night electricity consumption, electric power
Electricity consumption peak valley different pricing of electric power, relatively low many of paddy electricity electricity price are carried out by department.For using for electrically heated heat load, using peak
Electrical heating, cost is higher, and for the peak electric period needs the heat load of lasting heat supply, electric cost is high.In order to utilize paddy electricity,
Electric cost is reduced, heat, using the phase change medium in paddy electric-heating container, can be stored by phase change medium by heat reservoir system
Can, then pump the phase change medium liquid of a large amount of heat energy of container memory storage to heat exchanger outward supplying heat in the peak electric period.But
The heat reservoir of such a mode in the process of running, having a holiday or vacation, have a power failure etc. and to be shut down suddenly caused by reason suddenly in the case of, over time
Extension, phase change medium can be condensed into solid-state and blocking heat-exchanger in heat exchanger, cause the damage of heat exchanger.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of electric cost low new heat reservoir system.
In order to solve the above technical problems, the technical scheme is that：
A kind of new heat reservoir system, including electric control gear, heat exchanger and at least one regenerative apparatus, the regenerative apparatus
Including the heat storage container for containing phase-change material, electric heater unit is provided with the heat storage container；
Side-entrance of the heat exchanger connects the bottom end outlet of the heat storage container, the heat exchange by pipeline
Side outlet of device connects the top import of the heat storage container by pipeline, and the primary side of the heat exchanger stores with described
The connecting pipe of heat container is provided with delivery pump；
Also include storage tank, the connecting pipe between the heat exchanger and heat storage container is connected to the storage tank, institute
State the import of heat storage container top or bottom end outlet is connected with compressed air adapter, the compressed air adapter is provided with switch
Valve.
It is preferred that, the top of the storage tank is less than the bottom of the heat exchanger and the bottom of the heat storage container.
It is preferred that, the electric heater unit is the electromagnetic heating coil for being wound in the heat storage container periphery.
It is preferred that, the quantity of the regenerative apparatus is two or more, and the heat storage container of the regenerative apparatus is in parallel
It is connected to the primary side of the heat exchanger.
It is preferred that, it is provided with switch valve at the bottom end outlet of each heat storage container.
It is preferred that, the connecting pipe between the top import of heat storage container described in adjacent two is provided with switch valve.
It is preferred that, the switch valve is automatic switch valve.
It is preferred that, the electric control gear includes controller, and the electric heater unit, the delivery pump and the switch valve are equal
Electrically connected with the controller.
It is preferred that, the controller is PLC.
It is preferred that, it is connected with exhaust-valve on the connecting pipe on the top of each heat storage container；The bottom of the heat storage container
Outlet is connected with evacuated tube, and the top of the evacuated tube is higher than the top of the heat storage container, and the top of the evacuated tube is set
There is exhaust-valve.
It is preferred that, the phase-change material is fused salt.
Employ after above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The new heat reservoir system of the present invention, is heated, heat storage container in the paddy electricity period by electric heater unit to heat storage container
Interior phase-change material heat absorption storage heat energy.The peak electric period by delivery pump make phase-change material circulation pump to heat exchanger to
Heat load heat supply.Using paddy electricity, electricity price is low, greatly reduces the electric cost of heat reservoir system.In addition, heat exchanger holds with accumulation of heat
Connecting pipe between device is connected to the storage tank, and it is empty that heat storage container top import and bottom end outlet lead to compression
Gas is taken over, and the compressed air adapter is provided with switch valve.Summer or have a holiday or vacation etc. it is long-term it is no in the case of, pressure can be passed through
Contracting air adapter access compressed air, under the high pressure effect of compressed air, heat exchanger and heat storage container are constituted
Phase-change material in phase-change material circulation canal is completely forced into storage tank and stored, in case phase-change material can be in heat exchanger, pipe
Solid is condensed into road, when starting shooting again, heating is not easy to and starts the cycle over, effectively prevent phase-change material because shutting down in heat exchange
The problem of blocking heat-exchanger being condensed in device, it is to avoid the damage of heat exchanger.
In the present invention, electric heater unit is the electromagnetic heating coil for being wound in heat storage container periphery, former using electromagnetic induction
Reason converts electric energy to heat energy, civil power is converted into DC voltage by rectification circuit, then turn DC voltage by control circuit
The high frequency voltage that frequency is 20 to 40KHZ is changed, the electric current of change can produce the magnetic field of change at a high speed by coil at a high speed, work as magnetic field
When the magnetic line of force is by metal, countless micro cyclone streams can be produced in metallic object, heat storage container is voluntarily generated heat at a high speed in itself, from
And the phase-change material inside heat storage container.Such a Electric heating, heat loss is low, and the efficiency of heating surface is high.
In the present invention, exhaust-valve is connected with the connecting pipe on the top of each heat storage container；The bottom of the heat storage container
Bring out mouth and be connected with evacuated tube, the top of the evacuated tube, which is higher than at the top of the top of the heat storage container, the evacuated tube, to be set
Exhaust-valve is equipped with, the air in pipeline can be excluded in time, operational efficiency is improved.
In the present invention, phase-change material is fused salt, and storage latent heat is big, and storage heat is more, makes the overall space-consuming of heat reservoir system
It is small.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is a kind of structural representation of the new heat reservoir system of the present invention；
Fig. 2 is another structural representation of the new heat reservoir system of the present invention；
Fig. 3 is the control principle drawing of the new heat reservoir system of the present invention；
In figure：1- heat exchangers；2- regenerative apparatuses；21- heat storage containers；22- electromagnetic heating coils；3- delivery pumps；4- is opened
Close valve；5- controllers；6- temperature sensors；7- exhaust-valves；8- evacuated tubes；9- compressed airs are taken over；10- storage tanks.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to the drawings 1 and Fig. 3, the new heat reservoir system of the present embodiment, including electric control gear, heat exchanger 1 and at least one
Individual regenerative apparatus 2, regenerative apparatus 2 includes being provided with electric add on the heat storage container 21 for being used to contain phase-change material, heat storage container 21
Thermal.Electric heater unit is the electromagnetic heating coil 22 for being wound in the periphery of heat storage container 21, and electromagnetic heating coil 22 utilizes electricity
Magnetic induction principle converts electric energy to heat energy, and civil power is converted into DC voltage by rectification circuit, then will be straight by control circuit
The high frequency voltage that voltage conversion frequency is 20 to 40KHZ is flowed, the electric current of change can produce the magnetic of change at a high speed by coil at a high speed
, when magnetic field magnetic line is by metal, countless micro cyclone streams can be produced in metallic object, make heat storage container 21 itself voluntarily
Generate heat at a high speed, so that the phase-change material inside heat storage container 21.Such a Electric heating, heat loss is low, and the efficiency of heating surface is high.
Side-entrance of heat exchanger 1 connects the bottom end outlet of heat storage container 21 by pipeline, and heat exchanger 1 is once
Side outlet connects the top import of heat storage container 21, the primary side of heat exchanger 1 and the connecting tube of heat storage container 21 by pipeline
Road is provided with delivery pump 3.
Also include storage tank 10, the connecting pipe between heat exchanger 1 and heat storage container 21 is connected to storage tank 10, store
The top of tank 10 holds less than the bottom of heat exchanger 1 and the bottom of heat storage container 21, the valve of the top end of storage tank 10 and accumulation of heat
The valve of the bottom end of device 21 uses normally open solenoid valve.When to shut down for a long time, or when having a power failure suddenly, heat exchanger 1 and storage
Phase change medium in heat container 21 under gravity, can freely flow in storage tank 10, effectively prevent phase change medium
It is condensed into solid-state in heat exchanger 1 and blocking heat-exchanger, causes the problem of heat exchange 1 is damaged.
The top import of heat storage container 21 of end leads to compressed air adapter 9, and compressed air adapter 9 is provided with switch valve
4, compressed air can also be set to take at the bottom end outlet of the heat storage container 21 of end.Pressure is passed through by compressed air adapter
Phase change medium in heat exchanger 1 and heat storage container 21, can further be pressed into storage tank 10, be further ensured that heat by contracting air
Exchanger 1 because of the reason such as power failure blocking suddenly, does not extend the service life of heat exchanger 1.
Electric heater unit is set on storage tank 10, and the top of storage tank sets the outer peripheral face of delivery pump, such as storage tank 10
Upper winding electromagnetic heating coil, when reusing, can be heated into liquid by phase-change material in storage tank 10 in advance, then make again
The phase-change material of liquid is conveyed into system by the delivery pump on the top of storage tank 10 and recirculated.
The quantity of regenerative apparatus 2 can use two or more, and two or more heat storage containers 21 are in parallel even
It is connected to the primary side of heat exchanger 1.
Switch valve 4 is provided with the bottom end outlet of each heat storage container 21, between the top import of adjacent two heat storage container
Connecting pipe is provided with switch valve 4.Each switch valve 4 uses automatic switch valve, and electric control gear includes controller 5, electrical heating
Device, delivery pump 3 and each automatic switch valve are electrically connected with controller 5.
In each heat storage container 21 and temperature sensor 6 also can be set in the secondary side of heat exchanger 1, with controller 5
Signal input part is electrically connected, and passes through the signal Real-time Feedback of temperature sensor 6, the automatic running of control system.
Controller 5 can use PLC programmable logic control units, it is of course also possible to use the industrial control unit (ICU) such as industrial computer.
Each automatic switch valve and delivery pump make whole system realize automatic operating by controller centralized automatic control.
Exhaust-valve 7, the bottom of heat storage container 21 are connected with reference picture 3, the connecting pipe on the top of each heat storage container 21
Bring out mouth and be connected with evacuated tube 8, the top of evacuated tube 8 is higher than the top of heat storage container 21, and the top of evacuated tube 8 is provided with emptying
Valve 7, when setting evacuated tube 8, compressed air adapter 9 may be provided at the top of evacuated tube 8.Exhaust-valve 7 uses automatic check valve, uses
The gas in pipeline is emptied when in system operation, the operational efficiency of system is improved, exhaust-valve 7 is also electrically connected with controller 5.
Compressed air adapter 9 can also be set on the top of the heat storage container 21 of end and the top of evacuated tube 8 simultaneously, so
Successively connected afterwards with compressed air, in favor of the phase-change material in heat exchanger 1 and each heat storage container 21 is completely extruded
Come.
Phase-change material can use fused salt, and storage latent heat is big, and storage heat is more, occupies little space.The new heat reservoir of the present invention
System, is heated in the paddy electricity period by electric heater unit to heat storage container 21, the phase-change material heat absorption storage in heat storage container 21
Heat energy.At peak, the electric period makes phase-change material circulation pump to heat exchanger 1 to heat load heat supply by delivery pump 3.Use paddy
Electric period accumulation of energy, electricity price is low, peak electricity period heat supply, greatly reduces the electric cost of heat reservoir system, and energy-saving effect is significantly, economical
Property is good.
In the present embodiment, electromagnetic heating coil can be set on storage tank 10, in summer or have a holiday or vacation etc. long-term no
In the case of, can by compressed air adapter 9 access compressed air, compressed air high pressure effect under, by heat exchanger 1 with
And the phase-change material in the phase-change material circulation canal of the composition of heat storage container 21 is completely forced into storage tank 10 and stored.Start shooting again
When, the solid phase change material in storage tank 10 is first heated, is heated as being evacuated to operation in system after liquid.
Citing described above for best mode for carrying out the invention, wherein the part do not addressed in detail is that this area is common
The common knowledge of technical staff.Protection scope of the present invention is defined by the content of claim, any technology based on the present invention
The equivalent transformation for enlightening and carrying out, also within protection scope of the present invention.
Claims (10)
1. a kind of new heat reservoir system, it is characterised in that：Including electric control gear, heat exchanger and at least one regenerative apparatus, institute
State and be provided with electric heater unit on the heat storage container that regenerative apparatus includes being used to contain phase-change material, the heat storage container；
Side-entrance of the heat exchanger connects the bottom end outlet of the heat storage container by pipeline, the heat exchanger
Side outlet connects the top import of the heat storage container by pipeline, and the primary side of the heat exchanger holds with the accumulation of heat
The connecting pipe of device is provided with delivery pump；
Also include storage tank, the connecting pipe between the heat exchanger and heat storage container is connected to the storage tank, the storage
The import of heat container top or bottom end outlet are connected with compressed air adapter, and the compressed air adapter is provided with switch valve.
2. new heat reservoir system according to claim 1, it is characterised in that：Handed over less than the heat on the top of the storage tank
The bottom of parallel operation and the bottom of the heat storage container.
3. new heat reservoir system according to claim 1, it is characterised in that：The electric heater unit is to be wound in the storage
The electromagnetic heating coil of heat container periphery.
4. new heat reservoir system according to claim 3, it is characterised in that：The quantity of the regenerative apparatus is two or two
More than individual, the heat storage container of the regenerative apparatus is connected in parallel to the primary side of the heat exchanger.
5. new heat reservoir system according to claim 4, it is characterised in that：At the bottom end outlet of each heat storage container
Provided with switch valve.
6. new heat reservoir system according to claim 5, it is characterised in that：The top import of heat storage container described in adjacent two
Between connecting pipe be provided with switch valve.
7. new heat reservoir system according to claim 6, it is characterised in that：The switch valve is automatic switch valve.
8. new heat reservoir system according to claim 7, it is characterised in that：The electric control gear includes controller, described
Electric heater unit, the delivery pump and the switch valve are electrically connected with the controller.
9. new heat reservoir system according to claim 8, it is characterised in that：The connecting pipe on the top of each heat storage container
On be connected with exhaust-valve；The bottom end outlet of the heat storage container is connected with evacuated tube, and the top of the evacuated tube stores higher than described
Exhaust-valve is provided with the top of the top of heat container, the evacuated tube.
10. the new heat reservoir system according to any one of claim 1 to 9, it is characterised in that：The phase-change material is molten
Salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710339.4A CN107328281A (en) | 2017-08-18 | 2017-08-18 | A kind of new heat reservoir system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710339.4A CN107328281A (en) | 2017-08-18 | 2017-08-18 | A kind of new heat reservoir system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328281A true CN107328281A (en) | 2017-11-07 |
Family
ID=60228017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710710339.4A Withdrawn CN107328281A (en) | 2017-08-18 | 2017-08-18 | A kind of new heat reservoir system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328281A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747622A (en) * | 2020-12-31 | 2021-05-04 | 江苏启能新能源材料有限公司 | Method for recovering heat storage material of phase change heat storage equipment |
| CN113503577A (en) * | 2021-07-12 | 2021-10-15 | 中国华能集团清洁能源技术研究院有限公司 | Electric heating heat storage water tank system and adjusting control method thereof |
| CN115247893A (en) * | 2022-07-27 | 2022-10-28 | 中国科学院电工研究所 | Electromagnetic induction heating-heat storage-heat extraction integrated device |
-
2017
- 2017-08-18 CN CN201710710339.4A patent/CN107328281A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747622A (en) * | 2020-12-31 | 2021-05-04 | 江苏启能新能源材料有限公司 | Method for recovering heat storage material of phase change heat storage equipment |
| CN113503577A (en) * | 2021-07-12 | 2021-10-15 | 中国华能集团清洁能源技术研究院有限公司 | Electric heating heat storage water tank system and adjusting control method thereof |
| CN115247893A (en) * | 2022-07-27 | 2022-10-28 | 中国科学院电工研究所 | Electromagnetic induction heating-heat storage-heat extraction integrated device |
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Application publication date: 20171107 |
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| WW01 | Invention patent application withdrawn after publication |