CN207963591U - A kind of resistance-type fused salt heating device - Google Patents
A kind of resistance-type fused salt heating device Download PDFInfo
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- CN207963591U CN207963591U CN201721856769.9U CN201721856769U CN207963591U CN 207963591 U CN207963591 U CN 207963591U CN 201721856769 U CN201721856769 U CN 201721856769U CN 207963591 U CN207963591 U CN 207963591U
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- fused salt
- heat storage
- heating
- storage body
- solid heat
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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
The utility model discloses a kind of resistance-type fused salt heating devices, belong to heat storage technical field of heating.It is provided with insulating layer outside the fused salt tank body, the fused salt tank interior is provided with solid heat storage body and fused salt, and it is provided with metal shell between solid heat storage body and fused salt, it is provided with resistance wire mounting hole on the solid heat storage body, using the highest resistance wire of cost performance as mode of heating, it is designed using special construction, realize Resistant heating fused salt, it can realize and be evenly heated, simplify mounting structure, it is convenient for installation and maintenance, promote the maintainability of heating device, the combined use of solid heat storage body and fused salt simultaneously, reduce maintenance cost, fused salt thermally equivalent is set not decompose, both equipment cost can be reduced, it can ensure that heat exchange efficiency improves again.
Description
Technical field
The utility model is related to a kind of resistance-type fused salt heating devices, belong to heat storage technical field of heating.
Background technology
North of china in winter is largely to abandon wind-powered electricity generation, nuclear power and night at present the main reason for causing haze by coal-burning stove for heating
Paddy electricity, which is unable to get, to be made full use of, so electric heating is as the main heating trend that a kind of clean energy resource is future.But it is limited to
The factors such as electricity price is higher, and power supply is unstable cannot achieve a wide range of popularization.Fused salt can will be cheap as a kind of heat-storing material
It abandons wind-powered electricity generation, nuclear power and paddy electricity and is converted into thermal energy storage, realize that whole day persistently heats.Chinese patent literature
CN103836703A, publication date are on June 4th, 2014, it is proposed that a kind of fused salt regenerative electrochemical heating central heating system utilizes
It abandons photoelectricity, abandon wind-powered electricity generation and paddy electricity etc. is by heat storage, realize that warm season persistently exports hot water to municipal heat supply network.Chinese patent literature
CN103868389A, publication date on June 18th, 2014, it is proposed that a kind of independent fused salt accumulation of heat power station, the power station using abandon photoelectricity,
It abandons wind-powered electricity generation and paddy electricity and fused salt progress energy storage is heated by fused salt electric heater, when needing electricity consumption, utilize high-temperature molten salt heating water
Steam is generated, and then steam drive steam turbine generates electricity.In both the above power generation molten salt energy storage system, heating fused salt is very
Crucial technical process, therefore, the performance characteristics of molten salt heater are very crucial to the popularization and application of fused salt heat storage technology.
Currently, fused salt electric heater mainly uses electric induction formula heater, for example, Chinese patent literature CN
205305158U, June 8 2016 publication date wind electric induction coil in the side wall of cylinder, and alternating current passes through electric induction
After coil, alternating magnetic field is generated, fuel factor occurs for the spiral coil to be placed in the magnetic field, converts electrical energy into thermal energy, and
Heat the fused salt flowed in spiral coil.The utility model heating speed is fast, homogeneous heating, and maximum advantage is can be with
It is not take up tank body or pipeline inner space mounted on the outside of pipeline either tank body.But this electromagnetic induction heating easily to
External cooling, the thermal efficiency are relatively low.Be not suitable for being externally wrapped in tank body after fused salt storage tank enlargement；Cost is high, maintenance and repair difficulty
It is high.
Fused salt heating also had using electrode heater, such as Chinese patent literature CN105444599A, publication date 2016
On March 30, in three electrodes and neutral electrode are set in heating tank interior, arrangement control shield, passes through motor between
It drives control shield to do rotation or elevating movement, changes three facing areas between electrode and neutral electrode.The present invention has
The thermal efficiency is high, compact-sized, floor space is small and the advantages such as security performance is excellent.This equipment its structure in super high power equipment
Compact feature is obvious, but its cost is high, generally uses 6-10KV and the above voltage, professional technician is needed to operate,
It is not used to civil small-scale equipment.
Resistance heating due to it is cheap, replace the advantages that convenient, long lifespan as the first choice of electrical heating industry, but by
It is conductive in resistance wire itself, liquid or the solid of conduction can not be directly heated.Such as Chinese patent literature CN203298510U,
Publication date on November 20th, 2013, it is proposed that a kind of fused salt electric heater for solar energy storage system passes through resistance wire
It is insulated seat to be mounted in the inner cavity of outer steel pipe, the insulation being effectively guaranteed between resistance wire and outer steel pipe reduces accident
Occur, to ensure the normal operation of equipment.However, the voltage class of resistance-type molten salt heater is smaller, electrothermal tube
Heat exchange area increases with the increase of heating power with quantity, the increase of the volume size of heater also with heating power
And increase, very big so as to cause the fused salt electric heater floor space of large-scale energy-storage system, Installed capital cost is relatively high,
And this mode of heating causes fused salt to decompose since local temperature is excessively high.
Invention content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of resistance-type fused salt heating devices.
The resistance-type fused salt heating device of the utility model, it includes fused salt tank body, insulating layer, solid heat storage body, resistance
Silk mounting hole, molten salt layer and metal shell are provided with insulating layer outside the fused salt tank body, and the fused salt tank interior is set
It is equipped with solid heat storage body and fused salt, and is provided with metal shell between solid heat storage body and fused salt, on the solid heat storage body
It is provided with resistance wire mounting hole.
The beneficial effects of the utility model：Its structure is simple, reasonable design, using the highest resistance wire conduct of cost performance
Mode of heating is designed using special construction, is realized Resistant heating fused salt, can be realized and be evenly heated, and mounting structure, peace are simplified
It fills easy to maintain, promotes the maintainability of heating device, while the combined use of solid heat storage body and fused salt, reduce maintenance cost,
So that fused salt thermally equivalent is not decomposed, can not only reduce equipment cost, but also can ensure that heat exchange efficiency improves.
Description of the drawings
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model.
Reference numeral：Fused salt tank body 1, insulating layer 2, solid heat storage body 3, resistance wire mounting hole 4, molten salt layer 5, metal shell
6。
Specific implementation mode
As shown in Figure 1, present embodiment uses following technical scheme：It includes fused salt tank body 1, insulating layer 2, solid
Heat storage 3, resistance wire mounting hole 4, molten salt layer 5 and metal shell 6 are provided with insulating layer 2, institute outside the fused salt tank body 1
The fused salt tank body 1 stated is internally provided with solid heat storage body 3 and molten salt layer 5, and is provided between solid heat storage body 3 and molten salt layer 5
Metal shell 6 is provided with resistance wire mounting hole 4 on the solid heat storage body 3.
Operation principle is：Since resistance wire cannot directly heat molten salt layer 5, but nonconducting solid can be directly heated and stored
Hot body 3, so two kinds of different heat storages are combined installation, so that it may to realize the effect of Resistant heating molten salt layer 5.Solid is opened
After beginning work, the resistance wire fever on solid heat storage body 3 in resistance wire mounting hole 4 first heats solid heat storage body 3, then
Again by the molten salt layer 5 of even heat being transferred to inside fused salt tank body 1, until molten salt layer 5 reaches the temperature of setting, solid stores
The heat storage capacity and molten salt layer 5 of hot body 3 be not substantially close to that is, calandria occupies the volume of heat storage, but also reality
The heating of heat storage is showed.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (1)
1. a kind of resistance-type fused salt heating device, it is characterised in that：It includes fused salt tank body（1）, insulating layer（2）, solid heat storage
Body（3）, resistance wire mounting hole（4）, fused salt（5）And metal shell（6）, the fused salt tank body（1）Outside is provided with insulating layer
（2）, the fused salt tank body（1）It is internally provided with solid heat storage body（3）And fused salt（5）, and solid heat storage body（3）And fused salt
（5）Between be provided with metal shell（6）, the solid heat storage body（3）On be provided with resistance wire mounting hole（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856769.9U CN207963591U (en) | 2017-12-27 | 2017-12-27 | A kind of resistance-type fused salt heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856769.9U CN207963591U (en) | 2017-12-27 | 2017-12-27 | A kind of resistance-type fused salt heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207963591U true CN207963591U (en) | 2018-10-12 |
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ID=63728570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721856769.9U Active CN207963591U (en) | 2017-12-27 | 2017-12-27 | A kind of resistance-type fused salt heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207963591U (en) |
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2017
- 2017-12-27 CN CN201721856769.9U patent/CN207963591U/en active Active
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