CN207585412U - A kind of composite heat storage structure applied to solid heat storage - Google Patents
A kind of composite heat storage structure applied to solid heat storage Download PDFInfo
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- CN207585412U CN207585412U CN201721732398.3U CN201721732398U CN207585412U CN 207585412 U CN207585412 U CN 207585412U CN 201721732398 U CN201721732398 U CN 201721732398U CN 207585412 U CN207585412 U CN 207585412U
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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
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- 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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Abstract
The utility model discloses a kind of composite heat storage structure applied to solid heat storage, including：Solid heat storage body, the solid heat storage body are cube hollow structure, and the solid heat storage body includes：Upper cover and bottom, the upper cover strengthen absorber plate for heat source side, and the inner surface of bottom is equipped with the T-shaped reinforcing rib of heat release, and the outer surface of bottom is equipped with heat release air duct；The inside of the solid heat storage body sets at least one liquid-solid-phase changeable thermal storage unit；The outer surface of the solid heat storage body sets gradually high temperature insulation layer and low-temperature insulation layer.Using the technical solution of the utility model, solve the problems, such as that unit volume regenerative capacity is smaller existing for current solid heat storage.
Description
Technical field
The utility model belongs to using energy source and heat storage technology field more particularly to one kind is intended to improve solid heat storage device
The composite heat storage structure of performance.
Background technology
In field of energy utilization, when energy supply and with can situation unmatched there are space-time when, it is necessary to energy accumulating technique.Each
In kind energy accumulating technique, heat storage technology is most widely used technology branch.According to regenerator temperature difference, heat storage technology can substantially divide
For low-temperature heat accumulating and high temperature accumulation of heat.Low-temperature heat accumulating is primarily directed to the fields such as solar thermal utilization and building energy conservation, leads to
Frequently with phase-change materials such as salting liquid, hydrated salt, paraffin class, fatty acids as heat storage medium；High temperature accumulation of heat extensive use
In fields such as solar energy thermal-power-generating, industrial exhaust heat utilization, nuclear power and power grid energy storage, mainly using conduction oil, fused salt and Nai Gao
Warm solid material is as heat storage medium.In various high temperature heat storage technologies, solid heat storage has regenerator temperature height, structure letter
Single, many advantages, such as cost is relatively low, be in current Practical Project using most heat storage technologies, especially in recent years due to
" haze " is the environmental problem getting worse of representative, using the heat storage electric boiler technology of solid heat storage material as " non-coal is adopted
It is warm " important technology selection.Further, since the limitation of conduction oil, the high-tech threshold of fused salt, people are also exploring admittedly
Heat-storing material of the body as solar energy thermal-power-generating.
For a hold over system, unit regenerative capacity is very important an index, to the compactedness of its structure and
Economy has a significant impact.And the factor for influencing its unit regenerative capacity mainly includes the specific heat of regenerator temperature, heat-storing material
With the factors such as density, latent heat of phase change.However, the index embody be heat-storing material synthesis heat storage capacity, have certain reason
The property thought can not represent the practical heat storage capacity of regenerative structure completely.The practical heat storage capacity of one hold over system additionally depends on
The accumulation of heat of regenerative structure and heat release characteristic, this is related with the hot physical property of heat-storing material and the concrete structure of heat storage.One conjunction
The hold over system of reason needs to consider regenerative capacity, stores the factors such as heat release requirement, selects heat-storing material and design regenerative structure.
For solid heat storage technology, the heat-storing material of generally use is the refractory material of different component, and this kind of material has
The advantages that regenerator temperature is high, cheap, easy processing is molded；But the drawback is that thermal conductivity factor and specific heat are relatively low so that accumulation of heat system
Space needed for system is larger, while during accumulation of heat and heat release, regenerative structure spatially has certain Temperature Distribution, makes
Its heat storage capacity further declines.The smaller problem of unit volume regenerative capacity existing for solid heat storage at present, therefore how to carry
The heat storage capacity of high solid accumulation of heat is the important technological problems urgently to be solved, it is especially desirable to strengthen the optimization of regenerative structure with setting
Meter.
Utility model content
For the smaller problem of unit volume regenerative capacity existing for current solid heat storage, the purpose of this utility model is to set
Count a kind of composite heat storage structure that can be applied to solid heat storage.
To achieve the above object, the utility model adopts the following technical scheme：
A kind of composite heat storage structure applied to solid heat storage, including：Solid heat storage body, the solid heat storage body are cube
Body hollow structure, the solid heat storage body include：Upper cover and bottom, the upper cover for heat source side strengthen absorber plate, bottom it is interior
Surface is equipped with the T-shaped reinforcing rib of heat release, and the outer surface of bottom is equipped with heat release air duct；The inside setting at least one of the solid heat storage body
A liquid-solid-phase changeable thermal storage unit；The outer surface of the solid heat storage body sets gradually high temperature insulation layer and low-temperature insulation layer.
Preferably, the heat source side enhanced heat exchange plate includes：Absorb heat panel, and the upper surface for the panel that absorbs heat is equipped with high inhale
Yield refractory coating, the bottom surface for the panel that absorbs heat are equipped with absorber plate and strengthen rib, and absorber plate is strengthened rib and is located in the solid heat storage body,
Absorber plate side plate is equipped in the both sides of heat absorption panel；Panel upper surface side absorb heat for heat source.
Preferably, the liquid-solid-phase changeable thermal storage unit is encapsulating structure, the liquid-solid-phase changeable thermal storage unit includes：It is rectangular
Body package casing and cap；The cuboid package casing inside upper surface is equipped with high temperature side and strengthens rib；The cuboid envelope
Casing inside bottom surface low temperature side strengthens rib, and the high temperature side strengthens rib and low temperature side is strengthened rib and is alternately distributed.
Preferably, the heat source is electric heater, the electric heater is located on high-absorbility refractory coating, passes through
Cable is connect with heating power supply.
Preferably, the heat source is high temperature air or conduction oil.
Preferably, the arrangement form of the liquid-solid-phase changeable unit is monoblock type or distributing.
Liquid-solid-phase changeable thermal storage unit is combined by the utility model with solid heat storage body, makes full use of liquid-solid-phase changeable accumulation of heat list
The advantages of first high regenerative capacity, while encapsulating structure is used, not only the heat-transfer character with solid heat storage body matches, and also avoids
Phase-transition heat-storage existing shortcomings in practical applications significantly improve the unit volume amount of stored heat of solid heat storage structure；Together
Shi Caiyong augmentation of heat transfer measures so that the accumulation of heat of composite heat storage structure and heat release process are more steady, improve heat storage efficiency；This
Outside, composite heat storage structure can be used as modular combination, and compact-sized, processing technology is simple, can be according to application scenario not
With flexible design composite heat storage structure and entire regenerative apparatus, flexibility is considerably increased.The NEW TYPE OF COMPOSITE of the utility model
Regenerative structure effectively increases the heat storage capacity of solid heat storage device, can promote application of the solid heat storage in Practical Project.
Description of the drawings
Fig. 1, the composite heat storage structure diagram applied to solid heat storage；
Fig. 2, the heat source side heat absorption plate structure schematic diagram of the composite heat storage structure applied to solid heat storage；
Fig. 3, the liquid-solid-phase changeable cellular construction schematic diagram of the composite heat storage structure applied to solid heat storage；
Fig. 4, using multilayer liquid-solid-phase changeable unit composite heat storage structure diagram；
Fig. 5, using multiple dispersion liquid-solid-phase changeable unit composite heat storage structure diagrams；
Fig. 6, composite heat storage modular composition schematic diagram；
Fig. 7 takes the Cubic composite heat storage structure diagram of heat using electrical heating, liquid；
Fig. 8 takes the Cubic composite heat storage structure diagram of heat using electrical heating, air；
Fig. 9 is heated and is taken the Cubic composite heat storage structure diagram of heat using liquid；
Figure 10 is heated using liquid, air takes hot Cubic composite heat storage structure diagram.
Wherein, in Fig. 1~10：1- electric heating tubes；2- cables；3- heat source sides strengthen absorber plate；4-liquid-solid-phase changeable stores
Hot cell；5- solid heat storage bodies；6- heat release thermoexcells；7- high temperature insulation layers；8- low-temperature insulation layers；9- heat-absorbent surfaces
Plate；10- flame-retardant coating layers；11- absorber plates strengthen rib；12- absorber plate side plates；13- encapsulation unit shells；14- is encapsulated
Lid；15- encapsulation units high temperature side strengthens rib；16- encapsulation units low temperature side strengthens rib；The T-shaped reinforcing rib of 17- heat releases；18-
Heat release air duct；19- heat release external connections are taken over；20- accumulation of heat thermoexcells；21- accumulation of heat external connections are taken over.
Specific embodiment
The composite heat storage structure of the utility model design can be suitable for industrial exhaust heat utilization, building heat supplying, power grid storage
The numerous areas such as energy, solar energy thermal-power-generating.In a particular embodiment, it can flexibly be selected according to the difference of application scenario different
Structure type.The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, a kind of composite heat storage structure applied to solid heat storage, including：Solid heat storage body, it is described solid
Body heat storage is cube hollow structure, and the solid heat storage body includes：Upper cover and bottom, the upper cover is strengthened for heat source side inhales
Hot plate, it is " u "-shaped shape that heat source side, which strengthens absorber plate, and the inner surface of bottom is equipped with the T-shaped reinforcing rib of heat release, and the outer surface of bottom is equipped with
Heat release air duct；The inside of the solid heat storage body sets at least one liquid-solid-phase changeable thermal storage unit, and liquid-solid-phase changeable thermal storage unit is consolidated
It is scheduled on the inner wall of solid heat storage body；The outer surface of the solid heat storage body sets gradually high temperature insulation layer and low-temperature insulation layer.
The heat source side enhanced heat exchange plate includes：Absorb heat panel, and the upper surface for the panel that absorbs heat is equipped with high-absorbility fire resisting
Coating, for improving the thermal radiation absorption ability of panel, the bottom surface for the panel that absorbs heat is equipped with absorber plate and strengthens rib, and absorber plate strengthens rib
In the solid heat storage body, for improving the heat-transfer capability for strengthening plate and solid heat storage body, set in the both sides of heat absorption panel
There is absorber plate side plate；Panel upper surface side absorb heat for heat source, the heat source is electric heater, and the electric heater is located at high suction
It on yield refractory coating, is connect by cable with heating power supply, the heat source can also be high temperature air or conduction oil.
The liquid-solid-phase changeable thermal storage unit is encapsulating structure, and the liquid-solid-phase changeable thermal storage unit includes：Cuboid encapsulation is outer
Shell and cap；The cuboid package casing inside upper surface is equipped with high temperature side and strengthens rib；In the cuboid package casing
Side lower surface low temperature side strengthens rib, and the high temperature side strengthens rib and low temperature side is strengthened rib and is alternately distributed.The liquid-solid-phase changeable accumulation of heat
The material that unit uses includes metal, alkali, compound salt and mixture salt.The arrangement shape of the liquid-solid-phase changeable unit
Formula is monoblock type or distributing.
Embodiment 1
Referring to Fig. 4, the heat resource form of the present embodiment is electrical heating, and heat release working medium is air, and liquid-solid-phase changeable unit, which uses, to be divided
Dissipate multilayered structure.By strengthening absorber plate heat transfer with the electric heating tube heat source side of cable connection, set in solid heat storage body double
Layer liquid-solid-phase changeable thermal storage unit sets a liquid-solid-phase changeable thermal storage unit in high temperature side, and selected heat-storing material should have transformation temperature
Feature higher, latent heat of phase change is big sets a liquid-solid-phase changeable thermal storage unit in low temperature side, and selected heat-storing material should have phase transformation
Relatively low, the larger feature of latent heat of phase change of point by double-layer structure, increases the accumulation of heat temperature difference of accumulation of heat middle and later periods, can not only increase
Regenerative capacity and the heat transfer property that regenerative structure can be improved；In heat release side, air flows through heat release air duct and solid heat storage body surface
Face exchanges heat, the T-shaped reinforcing rib in heat release side that bottom is set in solid heat storage body, for improving changing between heat storage and air
Thermal energy power.The structure is particularly suitable for building heat supplying field.
Embodiment 2
Scheme is referring to Fig. 5, and the heat resource form of the present embodiment is electrical heating, and heat release working medium is air, and liquid-solid-phase changeable unit is adopted
With the linear structure of dispersion.Absorber plate heat transfer is strengthened by electric heating tube heat source side；The line of dispersion is set in solid heat storage body
Property arrangement liquid-solid-phase changeable thermal storage unit, by dispersed placement form, make the contact area of liquid-solid-phase changeable unit and solid heat storage body
It significantly increases, is conducive to conduct heat；In heat release side, air flows through heat release air duct and exchanges heat with solid heat storage body surface face, and solid stores
The T-shaped reinforcing rib in heat release side of the hot setting of bottom in vivo, for improving the exchange capability of heat between heat storage and air.The structure is especially
Suitable for building heat supplying field.
Embodiment 3
Scheme is referring to Fig. 6, and the heat resource form of the present embodiment is electrical heating, and heat release working medium is air, and multiple regenerative structures are adopted
With modular combination form.Any two regenerative structure axial symmetry arranges that multiple regenerative structures form alternate heating chamber and release
Hot-flow flue sets high temperature insulation layer and low-temperature insulation layer in multiple regenerative structure sides.The embodiment is simple in structure, Ke Yifei
Often flexibly provide different regenerative apparatus capacity.
Embodiment 4
For scheme referring to Fig. 7, the heat resource form of the present embodiment is electrical heating, and heat release working medium is conduction oil or water, liquid-solid-phase changeable
Unit uses overall structure.Absorber plate heat transfer is strengthened by electric heating tube heat source side, integral arrangement is set in solid heat storage body
Liquid-solid-phase changeable thermal storage unit；In heat release side, the specific position of solid heat storage body setting heat release thermoexcell, by heat release outside
Union is connect with user side.The structure is suitable for power grid energy storage and building heat supplying field.
Embodiment 5
Scheme is referring to Fig. 8, and the heat resource form of the present embodiment is electrical heating, and heat release working medium is air, and liquid-solid-phase changeable unit is adopted
With overall structure, absorber plate heat transfer is strengthened by electric heating tube heat source side, the liquid of setting integral arrangement in solid heat storage body 5
Solid phase becomes thermal storage unit；In heat release side, air flows through heat release air duct and exchanges heat with solid heat storage body surface face, in solid heat storage body
The T-shaped reinforcing rib in heat release side of bottom setting, for improving the exchange capability of heat between heat storage and air.The structure is suitable for building
Heating field.
Embodiment 6
For scheme referring to Fig. 9, the heat resource form of the present embodiment is conduction oil, and heat release working medium is conduction oil or water, liquid-solid-phase changeable
Unit uses overall structure, and in accumulation of heat side, the specific position setting accumulation of heat thermoexcell of solid heat storage body passes through accumulation of heat external connection
Pipe couples with heat source side；The liquid-solid-phase changeable thermal storage unit of integral arrangement is set in solid heat storage body；In heat release side, solid heat storage
The specific position setting heat release thermoexcell of body, is coupled by heat release external connection pipe with user side.The structure is suitable for more than industry
Heat utilization and solar energy thermal-power-generating field.
Embodiment 7
Scheme is referring to Figure 10, and the heat resource form of the present embodiment is conduction oil, and heat release working medium is air, and liquid-solid-phase changeable unit is adopted
With overall structure, in accumulation of heat side, the specific position setting accumulation of heat thermoexcell of solid heat storage body passes through accumulation of heat external connection pipe and heat
Source couples；The liquid-solid-phase changeable thermal storage unit of integral arrangement is set in solid heat storage body；In heat release side, air flows through heat release wind
Road exchanges heat with solid heat storage surface, the T-shaped reinforcing rib in heat release side that bottom is set in solid heat storage body, for improving heat storage
Exchange capability of heat between air.The structure is suitable for industrial exhaust heat and utilizes and solar heating field.
Claims (6)
1. a kind of composite heat storage structure applied to solid heat storage, which is characterized in that including：Solid heat storage body, the solid store
Hot body is cube hollow structure, and the solid heat storage body includes：Upper cover and bottom, the upper cover strengthen heat absorption for heat source side
Plate, the inner surface of bottom are equipped with the T-shaped reinforcing rib of heat release, and the outer surface of bottom is equipped with heat release air duct；The solid heat storage body it is interior
Portion sets at least one liquid-solid-phase changeable thermal storage unit；The outer surface of the solid heat storage body sets gradually high temperature insulation layer and low temperature
Insulating layer.
2. it is applied to the composite heat storage structure of solid heat storage as described in claim 1, which is characterized in that the heat source side is strong
Change heat exchanger plates to include：Absorb heat panel, and the upper surface for the panel that absorbs heat is equipped with high-absorbility refractory coating, and the bottom surface for the panel that absorbs heat is equipped with
Absorber plate strengthens rib, and absorber plate is strengthened rib and is located in the solid heat storage body, and absorber plate side plate is equipped in the both sides of heat absorption panel；
Panel upper surface side absorb heat for heat source.
3. it is applied to the composite heat storage structure of solid heat storage as claimed in claim 2, which is characterized in that the liquid-solid-phase changeable stores
Hot cell is encapsulating structure, and the liquid-solid-phase changeable thermal storage unit includes：Cuboid package casing and cap；The cuboid envelope
Casing inside upper surface is equipped with high temperature side and strengthens rib；The cuboid package casing inside bottom surface low temperature side strengthens rib, institute
It states high temperature side reinforcing rib and low temperature side is strengthened rib and is alternately distributed.
4. it is applied to the composite heat storage structure of solid heat storage as claimed in claim 2, which is characterized in that the heat source adds for electricity
Hot device, the electric heater are located on high-absorbility refractory coating, are connect by cable with heating power supply.
5. it is applied to the composite heat storage structure of solid heat storage as claimed in claim 2, which is characterized in that the heat source is high temperature
Air or conduction oil.
6. it is applied to the composite heat storage structure of solid heat storage as described in claim 1, which is characterized in that the liquid-solid-phase changeable
The arrangement form of unit is monoblock type or distributing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721732398.3U CN207585412U (en) | 2017-12-13 | 2017-12-13 | A kind of composite heat storage structure applied to solid heat storage |
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| CN201721732398.3U CN207585412U (en) | 2017-12-13 | 2017-12-13 | A kind of composite heat storage structure applied to solid heat storage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225077A (en) * | 2017-12-13 | 2018-06-29 | 北京工业大学 | A kind of composite heat storage structure applied to solid heat storage |
| CN109141088A (en) * | 2018-08-28 | 2019-01-04 | 重庆大学 | A kind of efficient hot-air phase-changing heat accumulation plate |
-
2017
- 2017-12-13 CN CN201721732398.3U patent/CN207585412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225077A (en) * | 2017-12-13 | 2018-06-29 | 北京工业大学 | A kind of composite heat storage structure applied to solid heat storage |
| CN109141088A (en) * | 2018-08-28 | 2019-01-04 | 重庆大学 | A kind of efficient hot-air phase-changing heat accumulation plate |
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