CN101158508B - Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device - Google Patents
Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device Download PDFInfo
- Publication number
- CN101158508B CN101158508B CN2007100279823A CN200710027982A CN101158508B CN 101158508 B CN101158508 B CN 101158508B CN 2007100279823 A CN2007100279823 A CN 2007100279823A CN 200710027982 A CN200710027982 A CN 200710027982A CN 101158508 B CN101158508 B CN 101158508B
- Authority
- CN
- China
- Prior art keywords
- pipe
- storage material
- change energy
- metal phase
- hot
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
An electrothermal metallic phase-change energy storage hot-water hot-air dual-purpose device consists of the following main components: an electric heating element, aluminum matrix binary or ternary alloy phase-change energy storage material, a double-layer casing pipe, a shell container and a thermal insulation layer; wherein, the electric heating element and the double-layer casing pipe are respectively and directly placed in the aluminum matrix binary or ternary alloy phase-change energy storage material and the aluminum matrix binary or ternary alloy phase-change energy storage material is contained in the shell container; the shell container is coated with the thermal insulation layer, and the double-layer casing pipe consists of an internal pipe and an external pipe; the internal pipe is communicated with the water or air, and the metallic phase-change energy storage material is arranged on the external surface of the casing pipe. A pipe-typed heating element with low heat generation density is adopted for the electric heating element and a protective pipe is made from the heat resistant alloy, and the specially made high-temperature anticorrosion paints or the alumina coatings are coated on the external surface of the protective pipe. The shell container is made from the carbon steel or the stainless steel and the specially made high-temperature anticorrosion paints or the alumina coatings are coated on the internal and external surfaces of the casing of the container. A highly efficient thermal insulation layer formed by adopting the thermal insulation materials tooptimally form a multi-layer structure carries out the thermal insulation.
Description
Technical field
The present invention relates to a kind of electric heating phase-change accumulation energy hot water, hot blast dual-purpose device, relate in particular to a kind of hot water, hot blast dual-purpose device that adopts the metal phase change energy-storage material.
Background technology
The most inorganic salts that adopt of existing high temperature (greater than 300 ℃) electric heating phase-change accumulation energy device are as phase-changing energy storage material.Inorganic salts exist that thermal conductivity factor is little, degree of supercooling is big and the bigger problem of performance degradation, and to adopt aluminium base binary or ternary alloy three-partalloy almost to overcome above-mentioned shortcoming.On the other hand, it carries thermal medium is air, promptly utilizes air that heat is extracted in the thermal store and passes to heated material and be used.Under the situation of identical temperature rise, no matter from unit mass or unit volume, the heat-carrying density of air is little, and the diameter of heat supplying pipeline is very big during same load.Therefore if obtain hot water, utilize air that heat is proposed earlier, again by heat exchange heat transferred hot water, increased heat exchange link and heat loss.These drawbacks limit promoting the use of of existing energy storage hot air apparatus.
Summary of the invention
This device adopts thermal storage device and the incorporate structure of hot-water boiler, is made up of heating, metal phase change energy-storage material, bilayer sleeve, vessel shell and heat-insulation layer; Heating and bilayer sleeve are positioned in the metal phase change energy-storage material, and the metal phase change energy-storage material is by the vessel shell splendid attire, vessel shell coated outside heat-insulation layer; Pipe is leaked water or air in the bilayer sleeve, and sleeve pipe be outward the metal phase change energy-storage material, and the employing metal can overcome the shortcoming as energy storage material such as inorganic salts as phase-changing energy storage material.
The energy transfer process of this device is: heating is converted into thermal energy transfer with electric energy and gives the metal phase change energy-storage material of contact with it and store in the heating process, the metal phase change energy-storage material temperature is raise, temperature melts after arriving fusing point, in the mode of sensible heat and latent heat heat is stored; Carry when hot, be stored in heat in the metal phase change energy-storage material through the outer tube of bilayer sleeve, and then carrying thermal medium and making it temperature in the pipe pipe raises in passing to, produce hot water or hot blast, the effect one of bilayer sleeve be effectively reduce carry the anti-sealing of thermal power directly by the time water vaporize in a large number, the 2nd, be beneficial to maintenance and change.The metal phase change energy-storage material that this device adopts can be one of aluminium base bianry alloy aluminium silicon, ternary alloy three-partalloy aluminium silicon magnesium, magnalium zinc or its mixture, and energy storage density can reach 2000～3000MJ/m
3, operating temperature is 360～600 ℃.Characteristics such as it is little that electrothermic metal phase changing accumulation energy hot-water, the hot blast dual-purpose device that utilizes above-mentioned alloy to manufacture and design as the metal phase change energy-storage material has a volume, and the efficient height is multi-functional, and the life-span is long.The thermal efficiency of device can reach 90～95% according to energy storage capacity size and heat supply pattern.
The advantage and the good effect that have of the present invention compared with prior art:
(1) compact conformation, easy to process;
(2) operating mode is adjustable, and dual-use directly need not be changed through heat exchanger by hot-air by energy storage heat exchanger during heat supply water.
Description of drawings
Fig. 1 is the electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device structural representation.As can be seen from Figure 1, this device is made up of following primary clustering: heating 1, metal phase change energy-storage material 2, bilayer sleeve 3, vessel shell 4, heat-insulation layer 5 are formed; Heating 1 and bilayer sleeve 3 all directly are positioned in the metal phase change energy-storage material 2, and metal phase change energy-storage material 2 is by vessel shell 4 splendid attires, vessel shell 4 coated outside heat-insulation layers 5; Bilayer sleeve 3 is made up of interior pipe and outer tube, and interior pipe is leaked water or air, and sleeve pipe is outward a metal phase change energy-storage material 2.Heating 1 adopts the tubular type heater element of low heat generation density, and protection tube is made by heat-resisting alloy, and at special high-temperature anticorrosion paint or the aluminum oxide coating layer of appearance spraying.Vessel shell 4 is made by carbon steel or stainless steel, the high-temperature anticorrosion paint that the spraying of shell of tank inside and outside wall is special.The high-efficiency insulated layer that adopts optimization of thermal insulation material to be combined into sandwich construction is incubated device.
The specific embodiment
Embodiment 1:
Press main points design, processing described in Fig. 1 explanation and electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device of composition is installed, it is 11.2KWh that its energy storage capacity is amounted to electric weight.Device is made up of following primary clustering: heating, metal phase change energy-storage material, bilayer sleeve, vessel shell, heat-insulation layer are formed; Heating and bilayer sleeve all directly are positioned in the metal phase change energy-storage material, and the metal phase change energy-storage material is by the vessel shell splendid attire, vessel shell coated outside heat-insulation layer; Bilayer sleeve is made up of interior pipe and outer tube, and interior pipe is leaked water or air, and sleeve pipe is outward the metal phase change energy-storage material.Heating adopts the tubular type heater element of low heat generation density, and protection tube is made by heat-resisting alloy, and at special high-temperature anticorrosion paint or the aluminum oxide coating layer of appearance spraying.Vessel shell is made by carbon steel or stainless steel, high-temperature anticorrosion paint or aluminum oxide coating layer that the spraying of shell of tank inside and outside wall is special.The high-efficiency insulated layer that adopts optimization of thermal insulation material to be combined into sandwich construction is incubated device.The energy transfer process of this device is: the heating process heating is converted into thermal energy transfer with electric energy and gives the metal phase change energy-storage material of contact with it and store, and the metal phase change energy-storage material temperature is raise, and temperature melts energy storage after arriving fusing point; Carry when hot, the heat that is stored in the metal phase change energy-storage material passes to water or air in the pipe by bimetallic tube, obtains hot water or hot blast.The heating power of this device is 3kW, heats 3.8 hours metal phase change energy-storage materials and is heated to thawing.Heating power during this device heat supply water is 4.3-8.5kW, can be under the situation that 25 ℃ of water temperatures rise with the 5-10 liter/minute flow atmospheric hot-water without interruption 2.3 hours, the operation test shows, the thermal efficiency reaches 91.7%. Heating power during this device hot wind supply is 2.2-4.1kW, can be under the situation of 300 ℃ of air temperature rises with the flow of 0.2-0.5 cubic meters per minute hot blast without interruption 4.3 hours, the operation test shows, the thermal efficiency reaches 90.8%.
Embodiment 2:
Press main points design, processing described in Fig. 1 explanation and electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device of composition is installed, it is 23.5KWh that its energy storage capacity is amounted to electric weight.Device is made up of following primary clustering: heating, metal phase change energy-storage material, bilayer sleeve, vessel shell, heat-insulation layer are formed; Heating and bilayer sleeve all directly are positioned in the metal phase change energy-storage material, and the metal phase change energy-storage material is by the vessel shell splendid attire, vessel shell coated outside heat-insulation layer; Bilayer sleeve is made up of interior pipe and outer tube, and interior pipe is leaked water or air, and sleeve pipe is outward the metal phase change energy-storage material.Heating adopts the tubular type heater element of low heat generation density, and protection tube is made by heat-resisting alloy, and at the special high-temperature anticorrosion paint of appearance spraying.Vessel shell is made by carbon steel or stainless steel, the high-temperature anticorrosion paint that the spraying of shell of tank inside and outside wall is special.The high-efficiency insulated layer that adopts optimization of thermal insulation material to be combined into sandwich construction is incubated device.The energy transfer process of this device is: the heating process heating is converted into thermal energy transfer with electric energy and gives the metal phase change energy-storage material of contact with it and store, and the metal phase change energy-storage material temperature is raise, and temperature melts energy storage after arriving fusing point; Carry when hot, the heat that is stored in the metal phase change energy-storage material passes to water or air in the pipe by bilayer, obtains hot water or hot blast.The heating power of this device is 6kW, heats 4.1 hours metal phase change energy-storage materials and is heated to thawing.Heating power during this device heat supply water is 5.4-8.7kW, can be under the situation that 25 ℃ of water temperatures rise with the 5-10 liter/minute flow atmospheric hot-water without interruption 4.1 hours, the operation test shows, the thermal efficiency reaches 92.8%.Heating power during this device hot wind supply is 2.7-4.3kW, can be under the situation of 300 ℃ of air temperature rises with the flow of 0.2-0.5 cubic meters per minute hot blast without interruption 7.6 hours, the operation test shows, the thermal efficiency reaches 91.5%.
Claims (2)
1. an electrothermic metal phase changing accumulation energy hot-water, hot blast dual-purpose device, be made up of heating, metal phase change energy-storage material, bilayer sleeve, vessel shell and heat-insulation layer, it is characterized in that: heating and bilayer sleeve all directly are positioned among the metal phase change energy-storage material; Bilayer sleeve is made up of interior pipe and outer layer sleeve, and outer layer sleeve directly contacts with the metal phase change energy-storage material, and interior pipe closely cooperates with outer layer sleeve and contacts.
2. electrothermic metal phase changing accumulation energy hot-water according to claim 1, hot blast dual-purpose device is characterized in that: when leaking water in the bilayer sleeve, device outwards provides hot water; When walking air in the bilayer sleeve, device outwards provides hot blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100279823A CN101158508B (en) | 2007-05-14 | 2007-05-14 | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100279823A CN101158508B (en) | 2007-05-14 | 2007-05-14 | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101158508A CN101158508A (en) | 2008-04-09 |
| CN101158508B true CN101158508B (en) | 2010-12-29 |
Family
ID=39306681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100279823A Expired - Fee Related CN101158508B (en) | 2007-05-14 | 2007-05-14 | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101158508B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883758A (en) * | 2015-06-03 | 2015-09-02 | 北京宇田相变储能科技有限公司 | Application of electric heating wire in phase change energy storage unit |
| CN104864596A (en) * | 2015-06-03 | 2015-08-26 | 北京宇田相变储能科技有限公司 | Phase-change energy-storage water heater |
| CN105202746A (en) * | 2015-10-16 | 2015-12-30 | 广东万和电气有限公司 | Heating-type water heater |
| CN106196257A (en) * | 2016-07-20 | 2016-12-07 | 国网北京市电力公司 | Heat pump and heating system |
| CN110274295A (en) * | 2018-03-16 | 2019-09-24 | 山西国泰环能科技有限公司 | Phase-change thermal storage type electric heater |
| CN110195196B (en) * | 2019-07-04 | 2020-04-14 | 东北大学 | [ carbon fiber mesh-silicon-rich/silicon-poor ] layered aluminum-based composite phase-change energy storage material and preparation device and method thereof |
-
2007
- 2007-05-14 CN CN2007100279823A patent/CN101158508B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101158508A (en) | 2008-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101158508B (en) | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device | |
| CN101398231B (en) | Solar thermal power generating multifunctional equipment with heat absorption, heat storage and vapor generation function | |
| CN102967049A (en) | Phase change electric heating energy storage device | |
| CN1504716A (en) | Metal and molten salt energy storage type heat supply apparatus | |
| CN106766237B (en) | All-weather light thermal photovoltaic integration automatically controls water-both with hot pipe | |
| CN102374809A (en) | Heat storage device | |
| CN201992860U (en) | Instantaneous flat solar water heater | |
| CN105509019A (en) | Ceramic-matrix high-temperature fused-salt phase-change heat-storage type off-peak electricity utilizing and steam generating device | |
| CN104713397A (en) | Solid heat storage system | |
| CN101067488A (en) | Metal phase change energy-storage steam boiler | |
| CN201401863Y (en) | Photoelectric energy-storage super-conduction solar energy radiating rib | |
| CN104864596A (en) | Phase-change energy-storage water heater | |
| CN2311729Y (en) | Electric heating phase-changing heat accumulator | |
| CN102102911A (en) | Flat-plate solar quick water heater | |
| CN202734303U (en) | High-temperature heat storage and exchange device applied to solar heat power generation | |
| CN108865081A (en) | Purposes of the lauryl amine as phase-changing energy storage material | |
| CN108728047A (en) | Purposes of the cetylamine as phase-changing energy storage material | |
| CN104896984B (en) | A kind of solar energy aids in paddy energy phase transformation regenerative apparatus | |
| CN201858919U (en) | Heat storage device | |
| CN204923456U (en) | Phase change energy storage water heater | |
| CN202229285U (en) | Fireless multifunctional heating drier | |
| CN205871679U (en) | Heat -retaining formula phase transition heating system | |
| CN102914068A (en) | High temperature heat storage and exchange device applied to solar thermal power plant | |
| CN202613802U (en) | High temperature heat accumulation and heat exchange device for solar thermal power generation | |
| CN107560476A (en) | A kind of regenerative apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20120514 |