CN107091584B - The electric heating energy storage device of heat storage performance can be improved - Google Patents
The electric heating energy storage device of heat storage performance can be improved Download PDFInfo
- Publication number
- CN107091584B CN107091584B CN201710294810.6A CN201710294810A CN107091584B CN 107091584 B CN107091584 B CN 107091584B CN 201710294810 A CN201710294810 A CN 201710294810A CN 107091584 B CN107091584 B CN 107091584B
- Authority
- CN
- China
- Prior art keywords
- granite
- conduction oil
- electric heating
- gitter brick
- energy storage
- 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.)
- Active
Links
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
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being water
-
- 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
The present invention discloses a kind of electric heating energy storage device that heat storage performance can be improved, and has gitter brick and the conduction oil channel in gitter brick, and the conduction oil driven by circulating pump is marked in conduction oil channel, and the gitter brick is granite.Conduction oil of the invention is gradually warmed up under the action of electrical heating elements and gradually penetrates into hole present in granite, until reaching saturation state.When the temperature of electric heating wire reaches a high temperature (85 DEG C or more), generated internal stress is uniform because of the effect of conduction oil in granite, it avoids granite internal stress uneven or is ruptured because local internal stress is excessive, overcoming prior art granite may not apply to the technology prejudice of electric heating energy storage device gitter brick.
Description
Technical field
The present invention relates to a kind of energy saver, especially a kind of electric heating energy storage device that heat storage performance can be improved.
Background technique
Currently, country advocates energetically uses clean energy resource, especially for the uniformity for improving network load, electric industry mechanism
Preferential treatment is given to the electricity price for using valley electricity, many valley electricity is converted to thermal energy storage for this purpose, producing in succession
The device to get up, i.e. electric heating energy storage device.Incubator made of the existing useful thermal insulation material of electric heating energy storage device, incubator
Inside there is gitter brick, there is conduction oil (heat conductive insulating oil) channel in gitter brick or gitter brick gap, and conduction oil is marked in channel by recycling
The conduction oil for pumping driving is provided with the electrical heating elements to connect with power supply in conduction oil channel, while being equipped with control power supply
Time controller and temperature controller.The course of work: when electric energy is at a low ebb, startup power supply and circulating pump, heating wire is to storage
Hot brick and heat-conducting oil heating, the power-off when temperature, time reaching setting value, thermal energy are stored by gitter brick and conduction oil；And work as
When electric energy is in peak and needs heat, start circulating pump, circulating pump exchanges conduction oil with heat-carrying agent by heat exchanger
After return to circulating pump, again recycle ... conduction oil can gradually set out the thermal energy stored by gitter brick.
Existing gitter brick is the refractory brick using magnesia as primary raw material mostly, as Chinese Patent Application No. is
201210159382.3 application for a patent for invention discloses a kind of accumulation of heat magnesia brick, which is with weight percent for 85%
~ 90% magnesia, 4.5% ~ 6.5% di-iron trioxide, 0.5% ~ 2% aluminum oxide, 2% ~ 4% silica, 1.5% ~ 3% calcium oxide
It is that raw material is sintered with 1% ~ 3% aluminium nitride, there is a problem that thermal storage time is short, manufacturing cost is high.
Granite is that a kind of lava by volcano eruption swells under the molten condition by comparable pressure to earth's crust table
Layer, magma do not spray ground, and the tectonite formed behind underground slowly cooled and solidified, are a kind of deep layer acidic igneous rocks,
Belong to magmatic rock (igneous rock).Granite is using quartz, feldspar and mica as main component, and wherein feldspar content is 40%-60%, stone
English content is 20%-40%.It is reported that granite have rock matter it is hard it is closely knit, intensity is high, weathering resistance, corrosion-resistant, wear-resistant, high
The features such as insulating properties.But due to containing mica in natural granite, usually all there is crack, such as high temperature or uneven heating,
It will be ruptured because generating excessive or uneven internal stress.
Since the electrical heating elements of electric heating energy storage device usually connect with the high pressure of 10KV or more and are located at gitter brick institute
In the conduction oil channel of formation, once gitter brick ruptures, it is most likely that and electric Canadian dollar part is brought disaster to, circuit is made open circuit, short circuit etc. occur
Failure, not only needs to dismantle gitter brick and repairs, time-consuming and laborious, influences equipment normal operation, but also that there is safety is hidden
Suffer from.Therefore, although there is natural granite preferable heat storage performance and price to be lower than magnesia brick, so far there are no about
The relevant report of gitter brick in using natural granite as electric heating energy storage device.
Summary of the invention
The present invention is to provide a kind of heat storage performance that can be improved to solve above-mentioned technical problem present in the prior art
Electric heating energy storage device.
The technical solution of the invention is as follows: a kind of electric heating energy storage device that heat storage performance can be improved, have gitter brick and
Conduction oil channel in gitter brick is marked with the conduction oil driven by circulating pump in conduction oil channel, it is characterised in that: described
Gitter brick is granite.
The granite impregnates 24 hours by 150 DEG C of conduction oils to be pre-processed.
Conduction oil of the invention is gradually warmed up under the action of electrical heating elements and gradually penetrates into present in granite
In hole, until reaching saturation state.It is generated in granite when the temperature of electric heating wire reaches a high temperature (85 DEG C or more)
Internal stress is uniform because of the effect of conduction oil, avoids granite internal stress uneven or ruptures because local internal stress is excessive, overcomes
Prior art granite may not apply to the technology prejudice of electric heating energy storage device gitter brick.And it is soaked with the flower hilllock of conduction oil
Stone, thermally conductive and heat storage capacity greatly improve, and the thermal balance speed of equipment entirety are improved, when shortening the work of electric heating wire
Between, a large amount of electric energy are saved, the manufacturing cost and use cost of equipment is reduced, substantially increases the storage of electric heating energy storage device
Hot property.
Specific embodiment
Embodiment 1:
The embodiment of the present invention 1 like the prior art, there is gitter brick and the conduction oil channel in gitter brick, conduction oil
The conduction oil driven by circulating pump is marked in channel, with the prior art except that the gitter brick is with natural black dyeing defect hilllock
Rock is the granite of raw material cutting.
Embodiment 2:
It is essentially identical with the structure of embodiment 1, except that gitter brick is led using muscovite-granite and by 150 DEG C
Hot oil, which impregnates 24 hours, to be pre-processed, and can be further assured that conduction oil penetrates into crack present in granite, until reaching full
And state.
Experiment:
The electric heating energy storage of the embodiment of the present invention 1, embodiment 2 and the prior art (using fire resisting magnesia brick as gitter brick) is set
It is standby, under conditions of identical electrical power, same volume, identical thermal insulation material carry out energy storage experiment, run 60 days, without fracture,
The accidents such as short circuit, open circuit occur.It is as shown in the table from startup power supply to the time and thermal storage time for reaching 350 DEG C of setting:
| Embodiment 1 | Embodiment 2 | The prior art | |
| It is heated to 350 DEG C of time | 8.5 | 7.8 | 10 |
| 24 hours observed temperatures of accumulation of heat | 332.5 DEG C (drop 5%) | 339.5 DEG C (drop 3%) | 297.5 DEG C (drop 15%) |
By experiment as can be seen that thermally conductive and heat storage capacity of the invention is above the prior art.
Claims (1)
1. a kind of electric heating energy storage device that heat storage performance can be improved has gitter brick and the conduction oil channel in gitter brick,
The conduction oil driven by circulating pump is marked in conduction oil channel, it is characterised in that: the gitter brick is muscovite-granite, described
Muscovite-granite impregnates 24 hours by 150 DEG C of conduction oils to be pre-processed, and conduction oil penetrates into crack present in granite,
Until reaching saturation state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294810.6A CN107091584B (en) | 2017-04-28 | 2017-04-28 | The electric heating energy storage device of heat storage performance can be improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294810.6A CN107091584B (en) | 2017-04-28 | 2017-04-28 | The electric heating energy storage device of heat storage performance can be improved |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107091584A CN107091584A (en) | 2017-08-25 |
| CN107091584B true CN107091584B (en) | 2019-06-28 |
Family
ID=59637233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294810.6A Active CN107091584B (en) | 2017-04-28 | 2017-04-28 | The electric heating energy storage device of heat storage performance can be improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091584B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450285A (en) * | 1990-06-16 | 1992-02-19 | Hiitec Service Kk | Heat accumulating material for thermal storage heater |
| CN2531016Y (en) * | 2002-01-25 | 2003-01-15 | 安东宪 | Electric heating jade plate |
| CN2589852Y (en) * | 2002-11-05 | 2003-12-03 | 江海洋 | Special-purpose microwave oven warmer |
| CN101737969A (en) * | 2008-11-05 | 2010-06-16 | 上海神曦太阳能科技有限公司 | Solar energy heat storage device and preparation method thereof |
| CN203785502U (en) * | 2013-12-16 | 2014-08-20 | 北京兆阳光热技术有限公司 | Solid heat storage system |
-
2017
- 2017-04-28 CN CN201710294810.6A patent/CN107091584B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450285A (en) * | 1990-06-16 | 1992-02-19 | Hiitec Service Kk | Heat accumulating material for thermal storage heater |
| CN2531016Y (en) * | 2002-01-25 | 2003-01-15 | 安东宪 | Electric heating jade plate |
| CN2589852Y (en) * | 2002-11-05 | 2003-12-03 | 江海洋 | Special-purpose microwave oven warmer |
| CN101737969A (en) * | 2008-11-05 | 2010-06-16 | 上海神曦太阳能科技有限公司 | Solar energy heat storage device and preparation method thereof |
| CN203785502U (en) * | 2013-12-16 | 2014-08-20 | 北京兆阳光热技术有限公司 | Solid heat storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091584A (en) | 2017-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863558A (en) | Heating energy saver of heavy oil well | |
| CN107091584B (en) | The electric heating energy storage device of heat storage performance can be improved | |
| CN103281812B (en) | Ceramic heating sheet applicable to liquid heating | |
| CN201864418U (en) | Dumbwaiter lift car | |
| CN104179322A (en) | Electric heating flooring heating system | |
| CN205232476U (en) | Formula far -infrared electric heating ceramic heater is buryyed to energy -conserving formula | |
| CN203010736U (en) | Novel heater | |
| CN211204194U (en) | Graphene floor heating system | |
| CN202898554U (en) | Anti-freezing device of oxyhydrogen machine | |
| CN104613528B (en) | A kind of superconducting heating | |
| CN203143403U (en) | Heat-preserving oil tank | |
| CN107062686A (en) | A kind of modular radiation floor based on semiconductor heating | |
| CN207392669U (en) | A kind of floor heating dry method module for being easily installed dismounting | |
| CN102788381A (en) | Electric floor heating technique of heating cable | |
| CN202520285U (en) | Electromagnetic heating energy-saving oil-water well bore device | |
| CN102573145A (en) | Novel electric heating device | |
| CN101882501A (en) | External cooling device of transformer oil | |
| CN206399035U (en) | A kind of modular radiation floor based on semiconductor heating | |
| CN205669445U (en) | A kind of numerical control press tank temperature adjusting means | |
| CN205606716U (en) | Heat storage type electric heater | |
| CN206399183U (en) | A kind of electromagnetic induction aluminium melting furnace | |
| CN204514025U (en) | Heating furnace body and use the induction heater of this heating furnace body | |
| CN200940472Y (en) | Anti-explosion heating and heat insulation box of oil-water well wellhead | |
| CN104180426A (en) | Solar energy constant temperature floor heating system with filter device | |
| CN207069515U (en) | A kind of heat-resisting bus duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 116000 huaershan community, Tiexi street, Pulandian District, Dalian City, Liaoning Province 1-188-5 Patentee after: Dalian Tianyu thermal energy Co., Ltd Address before: Ganjingzi District of Dalian City, Liaoning Province, 116023 weeks before water dongte Venus mansion block B room 1902 Co-patentee before: Tang Qiaoling Patentee before: Lin Jun |