CN208765032U - A kind of high-temperature phase change heat accumulation heating installation - Google Patents
A kind of high-temperature phase change heat accumulation heating installation Download PDFInfo
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- CN208765032U CN208765032U CN201820952776.7U CN201820952776U CN208765032U CN 208765032 U CN208765032 U CN 208765032U CN 201820952776 U CN201820952776 U CN 201820952776U CN 208765032 U CN208765032 U CN 208765032U
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- circulating water
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Abstract
The utility model discloses a kind of high-temperature phase-change heating installations, including phase transformation heat-storage module, heat exchanger, insulating layer.Phase transformation heat-storage module is made of cabinet, electric heater unit, phase-change material.Electric heater unit is fixed in the cavity of cabinet, and is built in phase-change material.Utility model device is stored the electric energy of electricity consumption paddy phase using phase-change material, is then exported in other periods and is provided continual and steady hot water.In utility model device, heat exchanging water pipe directly takes away the heat stored by casing and protection structure inside high temperature phase change material (pcm), that is, avoids corrosion and also avoid vaporizing clogging caused by heat-transfer surface temperature is excessively high.The advantages such as the utility model has structure simple, and control is easy, easy to maintenance, and operation energy consumption is low.
Description
Technical field
The utility model relates to phase-transition heat-storage field of energy-saving technology, more particularly to one kind to have heating, accumulation of heat, supplying hot water function
The New-type phase change heat accumulating and heating device of energy.
Background technique
In a variety of heat-storage technologies, solid-liquid phase change heat accumulation has storage density is big, volume change is small, process is easy to control etc.
Therefore advantage is received using the research that phase-change material (Phase Change Material, i.e. PCM) carries out hidden heat energy storage
The attention of multiple countries in the world.
Heat storage technology is the important technology for improving efficiency of energy utilization and protecting environment, and can be used for solving thermal energy needs for giving
The contradiction for seeking mismatch is built in the recycling and industry of Solar use, electric power " peak load shifting ", waste heat and waste heat with civilian
It builds the fields such as the energy conservation with air-conditioning to be with a wide range of applications, is worldwide research hotspot.
The hot water supply equipment of most of factory application and the heating system in building in the north winter are all now with coal
Main energy sources.Although China's coal resource total amount is abundant, Chinese population is numerous, also very big to the demand of coal.Coal is
Non-regeneration energy, it is not nexhaustible, it is inexhaustible.In addition to this, a large amount of sulphur ingredient is contained in coal, burning can generate
Sulfur dioxide, and sulfur dioxide is the main source of acid rain, it is extremely serious to environmental hazard；And burning of coal can also generate greatly
The substances such as carbon dioxide, the dust of amount, the former is the main matter for leading to global warming, and it is strong that the latter can then endanger human body
Health.
And the water heater that family, students' dormitory and company apartment etc. use now is largely electric heater or the sun
It can water heater.Although electric heater is convenient, the heating process of water needs a period of time, so very not when being badly in need of hot water
Just.Solar water heater is then influenced by factors such as season, region, weather, becomes very unstable.
The main force of urban heat supplying is centralization heating at present, but centralized heating duration and temperature oneself cannot control,
Vertical cooling fin unsightly, does not have hot water supply in addition to heat supply period.
Therefore, the prior art requires further improvement and perfect.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple high-temperature phase change heat accumulation of structure
Heating installation.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high-temperature phase change heat accumulation heating installation, the heating installation mainly include insulating layer, metal shell, electrically heated rod set
Pipe, electrically heated rod, circulating water pipe protection sleeve pipe, circulating water pipe, phase-change material, Heat Conduction Material and heat-barrier material.The metal
Hull outside is enclosed with insulating layer, and several electrically heated rod protection sleeve pipes are symmetrically inserted into metal shell.The electrically heated rod
Inside pipe casing is put into electrically heated rod, and the gap between the electric heating rod sleeve and electrically heated rod is filled with Heat Conduction Material.It is described
Circulating water pipe protection sleeve pipe is passed through from metal shell and is welded on metal shell, and the circulating water pipe is from circulating water pipe protective case
Pass through inside pipe, the gap between the circulating water pipe and circulating water pipe protection sleeve pipe is filled with heat-barrier material, the phase
Become material to fill metal shell inner space completely.The electrically heated rod is opened in the electricity consumption paddy phase, indirectly right by Heat Conduction Material
Phase-change material carries out heating and accumulation of heat, and phase-change material indirectly carries out the water in circulating water pipe by heat-barrier material after reaching temperature
Heating, to reach heating heat transfer effect.
Heating installation provided by the utility model is by protection sleeve pipe and heat-barrier material phase-change material and heat exchanging water pipe
It separates, is not directly contacted with, avoid harm brought by the corrosion of heat-storing material in this way, simultaneous buffering temperature change is brought
Thermal strain, and electric heating tube and phase-change material are separated by electric heating tube casing and Heat Conduction Material, greatly optimize electricity
The use environment of heating tube, increases service life.Cheap valley period power can be stored into phase-change material by electric heating tube,
User is brought heat by circulating water pipe heat cycles water again.
Preferably, the electrically heated rod is placed in electric heating rod sleeve, can obstruct the straight of electrically heated rod and phase-change material
Contact, avoids electrically heated rod and is corroded, while preventing from deforming using the Heat Conduction Material powder of filling buffering thermal stress, improves
Service life, while electrically heated rod also being made to be easier to dismantle, replacement, recycle.
Preferably, the circulating water pipe is placed in circulating water pipe protection sleeve pipe, and the working environment for optimizing circulating water pipe mentions
High service life, the heat-barrier material of filling can effectively control the temperature of heat-transfer surface, to exclude circulation water vapor blocking
The possibility of pipeline.
As a preferred embodiment of the present invention, the phase-change material using good heat conductivity, storage density is big, volume becomes
Change small alusil alloy material.
As a preferred embodiment of the present invention, the heat-barrier material is high using fusing point, has been not easy chemical change, thermostabilization
Good, good heat-insulation effect the titanic oxide material of property.
As a preferred embodiment of the present invention, the Heat Conduction Material is high, hot swollen using stable chemical performance, thermal coefficient
The carbofrax material that swollen coefficient is small, wear-resisting property is good.
As a preferred embodiment of the present invention, in order to make electric heating rod sleeve in heating installation, circulating water pipe protection
Fill fuller inside casing and metal shell, reduce gap to the greatest extent, phase-change material described in the utility model, heat-barrier material and
Heat Conduction Material is all made of dusty material.
The working process and principle of the utility model are: when work, electrically heated rod connects external power supply and generates heat, by
There is strong corrosive under phase-change material high temperature, so electrically heated rod cannot directly be contacted with phase-change material, heat need to be by electricity
Heating rod casing passes to phase-change material indirectly to accumulate heat, and the filling of Heat Conduction Material is to reduce electricity to the full extent
Thermal contact resistance and buffering thermal strain between heating rod casing and electrically heated rod.Phase-change material absorbs heat and reaches design work temperature
After the upper limit, the power supply of electrically heated rod is cut off, accumulation of heat stops；After phase-change material reaches operating temperature, circulating water pipe switch is opened,
Since phase-change material operating temperature is up to 500 DEG C or more, to prevent corrosion and recirculated water from causing since heat-transfer surface temperature is excessively high
It vaporizes and then blocks pipeline, therefore circulating water pipe and phase-change material cannot be contacted directly, need to be protected across heat-barrier material and circulating water pipe
Protecting pipe exchanges heat with phase-change material indirectly, and heat-barrier material reduces circulating water pipe wall surface temperature, simultaneous buffering thermal strain, circulation
Water is completed in circulating water pipe and enters heating system heat supply after the heat exchange of phase-change material, turns again to regenerative apparatus progress later
Circulating-heating.The device uses phase-transition heat-storage principle, heat exchanging water pipe and accumulation of heat module is unified, using recirculated water directly in phase
Become material internal to exchange heat, traditional phase transformation heating installation be all using after air and phase-change material heat exchange again and recirculated water
Heat exchange, system are excessively complicated, it is difficult to implement, the utility model is answered by heat-barrier material and casing, i.e. solution etching problem and heat
Change problem also eliminates the heat exchange link of air and water so that system is simpler, also consequently facilitating the production of heating installation with
Maintenance.
Compared with prior art, the utility model also has the advantage that
(1) high-temperature phase change heat accumulation heating installation provided by the utility model uses high-temperature phase change heat accumulation material, is different from
Traditional is heated using sensible heat, and such phase change heat storage material is reached using the variation of its phase stores exothermic purpose, such height
Warm phase-change material has the characteristics that storage density is big, volume change is small, process is manageable.
(2) high-temperature phase change heat accumulation heating installation provided by the utility model is separated using heat exchanging water pipe with heat-storing material,
Corrosivity possessed by most of phase change heat storage material can be effectively avoided in this way, extend system service life.
(3) high-temperature phase change heat accumulation heating installation provided by the utility model utilizes electric heat storage, and valley period power can be stored in
In phase-change material, utilization is taken out in other periods, so that rational utilization of electricity, achievees the purpose that " peak load shifting ".
(4) high-temperature phase change heat accumulation heating installation overall structure provided by the utility model is simple, that is, is easy and has confession
Heating system connection, can also connect with domestic water-heating system, and can heat supplying hot water again, kill two birds with one stone.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-temperature phase change heat accumulation heating installation provided by the utility model.
Fig. 2 is electric heating rod sleeve provided by the utility model and schematic diagram of internal structure.
Fig. 3 is circulating water pipe protection sleeve pipe and schematic diagram of internal structure provided by the utility model.
Label declaration in above-mentioned attached drawing:
1- insulating layer, 2- metal shell, 3- electric heating rod sleeve, 4- electrically heated rod, 5- circulating water pipe protection sleeve pipe, 6- are followed
Ring water pipe, 7- phase-change material, 8- Heat Conduction Material, 9- heat-barrier material.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is described in further detail for example.
Embodiment 1:
As shown in Figure 1 to Figure 3, present embodiment discloses a kind of high-temperature phase change heat accumulation heating installation, the heating installation is main
Including insulating layer 1, metal shell 2, electric heating rod sleeve 3, electrically heated rod 4, circulating water pipe protection sleeve pipe 5, circulating water pipe 6, phase
Become material 7, Heat Conduction Material 8 and heat-barrier material 9.Insulating layer 1 is enclosed on the outside of the metal shell, metal shell 2 is right in the middle
Claim insertion several electrically heated rod protection sleeve pipes 3.Electrically heated rod 4, the electrically heated rod are put into inside the electric heating rod sleeve 3
Gap between casing 3 and electrically heated rod 4 is filled with Heat Conduction Material 8.The circulating water pipe protection sleeve pipe 5 is worn from metal shell 2
It crosses and is welded on metal shell 2, the circulating water pipe 6 passes through inside circulating water pipe protection sleeve pipe 5, the circulating water pipe 6
Gap heat-barrier material 9 between circulating water pipe protection sleeve pipe 5 is filled, and the phase-change material 7 will be in metal shell 2
The filling of portion space is full.The electrically heated rod 4 is opened in the electricity consumption paddy phase, is added indirectly to phase-change material 7 by Heat Conduction Material 8
Heat and accumulation of heat, phase-change material 7 indirectly heats the water in circulating water pipe 6 by heat-barrier material 9 after reaching temperature, to reach
To heating heat transfer effect.
Heating installation provided by the utility model is by protection sleeve pipe and heat-barrier material 9 phase-change material 7 and heat-exchanging water
Pipe separates, and is not directly contacted with, avoid harm brought by the corrosion of heat-storing material in this way, simultaneous buffering temperature variation band
The thermal strain come, and electric heating tube and phase-change material 7 are separated by electric heating tube casing and Heat Conduction Material 8, optimize significantly
The use environment of electric heating tube, increases service life.Cheap valley period power can be stored into phase transformation material by electric heating tube
Expect in 7, then bring user heat by 6 heat cycles water of circulating water pipe.
Preferably, the electrically heated rod 4 is placed in electric heating rod sleeve 3, can obstruct electrically heated rod 4 and phase-change material 7
Direct contact, avoid electrically heated rod 4 and be corroded, at the same using 8 powder of the Heat Conduction Material of filling buffering thermal stress prevent from becoming
Shape improves the service life, while electrically heated rod 4 also being made to be easier to dismantle, replacement, recycle.
Preferably, the circulating water pipe 6 is placed in circulating water pipe protection sleeve pipe 5, optimizes the building ring of circulating water pipe 6
Border improves service life, and the heat-barrier material 9 of filling can effectively control the temperature of heat-transfer surface, to exclude circulation water vapor
Block the possibility of pipeline.
As a preferred embodiment of the present invention, the phase-change material 7 using good heat conductivity, storage density is big, volume
Change small alusil alloy material.
As a preferred embodiment of the present invention, the heat-barrier material 9 is high using fusing point, has been not easy chemical change, is hot steady
Qualitative good, good heat-insulation effect titanic oxide material.
As a preferred embodiment of the present invention, the Heat Conduction Material 8 is high, warm using stable chemical performance, thermal coefficient
The carbofrax material that the coefficient of expansion is small, wear-resisting property is good.
As a preferred embodiment of the present invention, in order to make electric heating rod sleeve 3 in heating installation, circulating water pipe protection
It fills fuller inside casing 5 and metal shell 2, reduces gap to the greatest extent, phase-change material 7 described in the utility model, heat-insulated material
Material 9 and Heat Conduction Material 8 are all made of dusty material.
The working process and principle of the utility model are: when work, electrically heated rod 4 connects external power supply and generates heat,
Due to having strong corrosive under 7 high temperature of phase-change material, so electrically heated rod 4 cannot directly be contacted with phase-change material 7, heat need through
It crosses electric heating rod sleeve 3 and passes to phase-change material 7 indirectly to accumulate heat, the filling of Heat Conduction Material 8 is in order to utmostly
The upper thermal contact resistance reduced between electric heating rod sleeve 3 and electrically heated rod 4 and buffering thermal strain.Phase-change material 7 absorbs heat and reaches
After design work temperature upper limit, the power supply of electrically heated rod 4 is cut off, accumulation of heat stops；After phase-change material 7 reaches operating temperature, follow
The switch of ring water pipe 6 is opened, since 7 operating temperature of phase-change material is up to 500 DEG C or more, to prevent corrosion and recirculated water due to changing
Hot-face temperature is excessively high to be caused to vaporize and then blocks pipeline, therefore circulating water pipe 6 and phase-change material 7 cannot be contacted directly, need to across every
Hot material 9 exchanges heat with phase-change material 7 indirectly with circulating water pipe protection sleeve pipe 5, and heat-barrier material 9 reduces by 6 wall surface of circulating water pipe
Temperature, simultaneous buffering thermal strain, recirculated water are completed in circulating water pipe 6 and enter heating system confession after the heat exchange of phase-change material 7
Heat turns again to regenerative apparatus later and carries out circulating-heating.The device uses phase-transition heat-storage principle, by heat exchanging water pipe and accumulation of heat mould
Block is unified, and is directly exchanged heat inside phase-change material 7 using recirculated water, and traditional phase transformation heating installation is all to utilize air
It exchanges heat again with recirculated water with after the heat exchange of phase-change material 7, system is excessively complicated, it is difficult to implement, the utility model passes through heat-insulated material
Material 9 and casing, that is, solve the problems, such as etching problem and thermal strain, also eliminate the heat exchange link of air and water, so that system is more
Simply, also consequently facilitating the production and maintenance of heating installation.
Embodiment 2:
Present embodiment discloses a kind of operational process of New-type phase change high-temperature heat accumulation heating installation, as shown in Figure 1 by keeping the temperature
Layer 1, metal shell 2, electric heating rod sleeve 3, electrically heated rod 4, circulating water pipe protection sleeve pipe 5, circulating water pipe 6, phase-change material 7,
Heat Conduction Material 8, heat-barrier material 9 form.Insulating layer 1, symmetrical insert number in metal shell 2 are enclosed on the outside of metal shell 2
Root electrically heated rod protection sleeve pipe 3 is put into electrically heated rod 4 inside electric heating rod sleeve 3, and the quantity and power of electrically heated rod are according to reality
Border design power is chosen.Gap between electric heating tube casing 3 and electrically heated rod 4 is filled with Heat Conduction Material 8, and Heat Conduction Material is chosen
The good non-toxic material of heating conduction, such as silicon carbide powder.Circulating water pipe protection sleeve pipe 5 is from passing through and be welded on metal shell 1
On, circulating water pipe 6 passes through inside circulating water pipe protection sleeve pipe 5, between circulating water pipe 6 and circulating water pipe protection sleeve pipe 5 between
Gap heat-barrier material 9 is filled, and heat-barrier material chooses the strong heat-barrier material of heat-resistant stable, such as titania powder.Phase
Become 7 dress metal shells 2 of material, phase-change material selects the metal material or alloy material that storage density is big, volume change is small, such as
Alusil alloy.Electricity consumption paddy phase, 4 power supply of electrically heated rod are connected, and device, which enters, fills the energy stage, and electric energy is converted into thermal energy and is stored into again
In phase-change material 7, phase-change material 7 is heated and undergoes phase transition process in shell 2, stores a large amount of thermal energy.Phase-change material reaches
To operating temperature, outer loop water pump can be opened, and recirculated water enters from one end of device, in heat-barrier material 9 and protection sleeve pipe 5
Protection under after portion and phase-change material are exchanged heat in the device, flowed out from the other end.Heat passes to circulation from phase-change material 7
Water, then room air is passed to by equipment such as radiators by recirculated water, to achieve the purpose that heating.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (5)
1. a kind of high-temperature phase change heat accumulation heating installation, which is characterized in that including insulating layer, metal shell, electric heating rod sleeve, electricity
Heating rod, circulating water pipe protection sleeve pipe, circulating water pipe, phase-change material, Heat Conduction Material and heat-barrier material；The metal shell
Outside is enclosed with insulating layer, and several electrically heated rod protection sleeve pipes are symmetrically inserted into metal shell；The electric heating rod sleeve
Inside is put into electrically heated rod, and the gap between the electric heating rod sleeve and electrically heated rod is filled with Heat Conduction Material；The circulation
Protecting jacket for water pipe pipe is passed through from metal shell and is welded on metal shell, and the circulating water pipe is out of circulating water pipe protection sleeve pipe
Portion is passed through, and the gap between the circulating water pipe and circulating water pipe protection sleeve pipe is filled with heat-barrier material, the phase transformation material
Material fills metal shell inner space full；The electrically heated rod is opened in the electricity consumption paddy phase, by Heat Conduction Material indirectly to phase transformation
Material carries out heating and accumulation of heat, phase-change material indirectly add the water in circulating water pipe by heat-barrier material after reaching temperature
Heat, to reach heating heat transfer effect.
2. high-temperature phase change heat accumulation heating installation according to claim 1, which is characterized in that the phase-change material uses aluminium silicon
Alloy material.
3. high-temperature phase change heat accumulation heating installation according to claim 1, which is characterized in that the heat-barrier material uses dioxy
Change titanium material.
4. high-temperature phase change heat accumulation heating installation according to claim 1, which is characterized in that the Heat Conduction Material is using carbonization
Silicon materials.
5. high-temperature phase change heat accumulation heating installation according to claim 1, which is characterized in that the phase-change material, heat-insulated material
Material and Heat Conduction Material are all made of dusty material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952776.7U CN208765032U (en) | 2018-06-20 | 2018-06-20 | A kind of high-temperature phase change heat accumulation heating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952776.7U CN208765032U (en) | 2018-06-20 | 2018-06-20 | A kind of high-temperature phase change heat accumulation heating installation |
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| Publication Number | Publication Date |
|---|---|
| CN208765032U true CN208765032U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820952776.7U Expired - Fee Related CN208765032U (en) | 2018-06-20 | 2018-06-20 | A kind of high-temperature phase change heat accumulation heating installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870514A (en) * | 2018-06-20 | 2018-11-23 | 广东工业大学 | A kind of high-temperature phase change heat accumulation heating installation |
| CN110345542A (en) * | 2019-07-03 | 2019-10-18 | 西安交通大学 | A kind of composite material and heat reservoir based on microwave heating and its working method |
-
2018
- 2018-06-20 CN CN201820952776.7U patent/CN208765032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870514A (en) * | 2018-06-20 | 2018-11-23 | 广东工业大学 | A kind of high-temperature phase change heat accumulation heating installation |
| CN110345542A (en) * | 2019-07-03 | 2019-10-18 | 西安交通大学 | A kind of composite material and heat reservoir based on microwave heating and its working method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20200620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |