CN105042857A - Electric heating energy storage device - Google Patents
Electric heating energy storage device Download PDFInfo
- Publication number
- CN105042857A CN105042857A CN201510450268.XA CN201510450268A CN105042857A CN 105042857 A CN105042857 A CN 105042857A CN 201510450268 A CN201510450268 A CN 201510450268A CN 105042857 A CN105042857 A CN 105042857A
- Authority
- CN
- China
- Prior art keywords
- electric heating
- inner bag
- energy storage
- storage equipment
- heating energy
- 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.)
- Pending
Links
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
An electric heating energy storage device comprises an outer shell, a first inner container, a heat preservation layer, a temperature controller and an energy storage body. The outer shell is provided with a plurality of openings. The first inner container is mounted in the outer shell and provided with a cold medium connection opening, a heating medium connection opening and a first electric heating pipe outlet, wherein the cold medium connection opening and the heating medium connection opening are matched with the openings. The heat preservation layer is arranged between the outer shell and the first inner container. The energy storage body is arranged in the first inner container and comprises a second inner container, an electric heating device and phase change energy storage materials, wherein the whole second inner container is in a sealed cylinder shape, and the electric heating device and the phase change energy storage materials are arranged in the second inner container. The electric heating device comprises a plurality of electric heating elements and a plurality of heat conducting separation plates. The electric heating elements enable the heat conducting separation plates to be connected in series into a whole through through-holes, and the outer walls of the electric heating elements and the through-holes are in interference fit or are welded and fixed. A second electric heating pipe outlet is formed in the top end of the second inner container, and the contact positions between the outer walls of the electric heating elements and the first electric heating pipe outlet as well as between the outer walls of the electric heating elements and the second electric heating pipe outlet are connected in a sealed mode through electrowelding.
Description
Technical field
The invention belongs to household electrical appliance and energy storage, field of energy-saving technology, particularly relate to a kind of technology of electric heating energy storage equipment.
Background technology
Along with people's living standard and to the raising worked and living environment comfort level requires, electric energy etc. consumption is significantly increased thereupon, cause that energy resource consumption is too fast, environmental pollution increase, network load peak valley be excessive, peak load time the building energy consumption such as the supply of electric power wretched insufficiency problem that increases, the building energy consumption of current European and American developed countries has reached 40% of whole society's total energy consumption, about 30 % of national total energy consumption are accounted at China's building energy consumption, along with the development of economy, improving constantly of living standards of the people, the proportion of building energy consumption will increase further.Therefore, the development & application of energy-saving building technology has become one of hot issue of current building and building material field.
Phase-changing energy-storing is the important technology improving efficiency of energy utilization and protection of the environment; also be usually used in alleviating energy supply and demand both sides unmatched effective means on time, intensity and place; be with a wide range of applications in the field such as energy-conservation of the recycling of the utilization of solar energy, " peak load shifting " of electric power, used heat and waste heat, industry and civil buildings and air-conditioning, become worldwide study hotspot at present.Utilizing the latent heat of phase change of phase-change material to realize storage and the utilization of energy, contribute to improving efficiency and exploitation regenerative resource, is a very active forward position research direction in energy science and material science in recent years.
Under current overall situation, the technology such as low-carbon (LC), energy-conserving and environment-protective, accumulation of energy are prior development directions in the world.
On existing market, the product of civilian electric heating energy storage equipment is considerably less, especially the electric heating energy storage equipment of highly versatile.
Summary of the invention
The object of the invention is the demand for existing market, provide a kind of reasonable in design, structure is simple, volume is little, energy storage capacity is large, a kind of electric heating energy storage equipment of highly versatile.
For achieving the above object, present invention employs following technical proposal: a kind of electric heating energy storage equipment, comprising electric heating energy storage equipment body, it is characterized in that: described electric heating energy storage equipment body comprises:
Shell body, this shell body is provided with some openings;
First inner bag, this first inner bag is arranged in described shell body, be provided with the coolant media interface of through the first described inner bag body, thermal medium interface and the outlet of the first electric heating tube, described coolant media interface and thermal medium interface and described opening adaptive;
Heat-insulation layer, this heat-insulation layer is arranged between shell body and the first inner bag;
Temperature controller, this temperature controller is for controlling the internal system temperature of described electric heating energy storage equipment body;
Storage body, this storage body is arranged in the first described inner bag, described storage body comprises the second inner bag and the electric heater unit be arranged in the second described inner bag and energy storage materials of phase change that entirety is containment cylinder shape, described electric heater unit comprises some electrical heating elements and some heat conduction baffles, described heat conduction baffle is provided with some through holes, described electrical heating elements is concatenated into one by described through hole mutually some heat conduction baffles, and heat conduction baffle is set in parallel each other, and be arranged to interference fit between the outer wall of described electrical heating elements and described through hole or be welded to each other fixing, the top of the second described inner bag is provided with the second electric heating tube outlet, described electrical heating elements is through the top of stretching out described shell body after the first described electric heating tube outlet and the outlet of the second electric heating tube, and external part and described opening adaptation, and the power supply wiring of external part is connected with described temperature controller, the outer wall of described electrical heating elements and the first described electric heating tube outlet and the second electric heating tube outlet contact place are tightly connected by electric welding.Usually, the phase transformation temperature points of energy storage materials of phase change is between 70 DEG C to 90 DEG C, in this technology, some heat conduction baffles and the mutual interference fit of electrical heating elements or by integrally welded, make electrical heating elements evenly can pass to energy storage materials of phase change quickly through heat conduction baffle due to the heat produced after being energized, otherwise, when energy storage materials of phase change release heat, heat in the middle part of second inner bag can be derived fast, also because some heat conduction baffles in horizontal spaced set are separated into some layers the energy storage materials of phase change in inner bag, greatly reduce the thickness in monolayer of energy storage materials of phase change, play the problem of phase separation preventing energy storage materials of phase change from use likely occurring, this is one of maximum bright spot of this technology, namely solve the heating of energy storage materials of phase change this technology effective, heat conduction and the subject matter such as to be separated.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the outer surface of the second described inner bag is provided with heat transmission fin.Usually, such design considerably increases the outer surface heat-conducting area of the second inner bag.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the outer surface of the second described inner bag is provided with heat transmission fin, described heat transmission fin is overall to be arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of the second described inner bag.Usually, fixed by high-frequency welding, be beneficial to heat transmission fin and contact more closely with the outer surface of the second inner bag, further enhance heat-conducting effect.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the outer rim of described heat transmission fin is provided with some diversion gaps.Usually, such design, makes the water of coming in from coolant media interface or thermal medium interface or air, can form certain turbulent flow in the gap between the first inner bag and the second inner bag, be beneficial to the heat exchange of medium.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the outer surface of the second described inner bag is provided with heat transmission fin, described heat transmission fin is overall to be arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of the second described inner bag, the outward flange of described heat transmission fin and the inwall of the first described inner bag are fitted and make the gap between adjacent heat transmission fin form a spiral internal channel from bottom to top of entirety, the coolant media interface described in Single port connection of described internal channel, accordingly, thermal medium interface described in another port connects.Usually, close contact between the outward flange of the helical form heat transmission fin on the second outer surface of liner and the inner surface of the first inner bag, make it to have a mind to constitute a spiral internal channel from bottom to top of entirety, medium (as water or air) is entered from one end of internal channel, from the other end out, the surface contact of whole process medium and heat transmission fin and the second inner bag, and then the object reaching that heat fully exchanges.Such design, especially when energy storage equipment not high enough (or long), when namely flow process falls short of, by the structural design of such spiral internal channel, considerably increases the length of heat exchanger channels, reaches the object of abundant heat exchange.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, described electrical heating elements comprises a threaded metal blind pipe and is arranged on electrothermal tube in described metal blind pipe or electrothermal tube and conduction oil.If electrical heating elements body is exactly electrothermal tube, so, in use once damage, so whole table apparatus just repairs very difficult; Usually, such design, has taken into full account the replacing problem of electrical heating elements.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the top of the first described inner bag is provided with a safety valve and stretches out the top of described shell body, and the bottom of the first described inner bag is provided with a blowoff valve and stretches out the bottom of described shell body.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the second described inner bag is also provided with a threaded blind pipe, this blind pipe one end is stretched in the second described inner bag, a temperature sensor is also provided with in described blind pipe, described temperature sensor is connected with described temperature controller, and described temperature controller is arranged on the outer surface of described shell body.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the material of the first described inner bag is TRPP (FRPP), and the second described inner bag and the material of electric heater unit are stainless steel.
At above-mentioned a kind of electric heating energy storage equipment, it is characterized in that, the top of described electric heating energy storage equipment body is provided with a blower fan, described blower fan and described coolant media interface or thermal medium orifice.Usually, this technology is according to the character of medium, different application can be had to embody, if medium is water, so whole electric heating energy storage equipment just becomes an energy-accumulated water heater, if medium is air, so as described in this programme, be provided with a blower fan at the top of electric heating energy storage equipment, just make whole electric heating energy storage equipment become an air-heater.
Compared with prior art, this Technology design is reasonable, structure is simple, volume is little, accumulation of energy is large, the advantage of highly versatile.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of a kind of electric heating energy storage equipment provided by the invention;
Fig. 2 is the structural representation of a kind of storage body provided by the invention;
Fig. 3 is the structural representation of a kind of second inner bag provided by the invention;
Fig. 4 is the corresponding top view of Fig. 3 provided by the invention;
Fig. 5 is the structural representation of a kind of electric heater unit provided by the invention;
Fig. 6 is the structural representation of electrical heating elements provided by the invention;
Fig. 7 is the surface structure schematic diagram of another kind of electric heating energy storage equipment provided by the invention.
In figure, electric heating energy storage equipment body 0, shell body 1, first inner bag 2, heat-insulation layer 3, temperature controller 4, storage body 5, second inner bag 6, electric heater unit 7, energy storage materials of phase change 8, blower fan 9, opening 10, coolant media interface 20, thermal medium interface 21, first electric heating tube outlet 22, safety valve 23, blowoff valve 24, second electric heating tube outlet 60, heat transmission fin 61, diversion gap 62, internal channel 63, blind pipe 64, temperature sensor 65, electrical heating elements 70, heat conduction baffle 71, through hole 72, metal blind pipe 700, electrothermal tube 701, conduction oil 702.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of electric heating energy storage equipment, comprise electric heating energy storage equipment body 0, it is mainly composed as follows:
Shell body 1, this shell body 1 is provided with some openings 10;
First inner bag 2, this first inner bag 2 is arranged in shell body 1, be provided with the coolant media interface 20 of through first inner bag 2 body, thermal medium interface 21 and the first electric heating tube outlet 22, coolant media interface 20 and thermal medium interface 21 and opening 10 adaptive; The top of the first inner bag 2 is provided with a safety valve 23 and stretches out the top of shell body 1, and the bottom of the first inner bag 2 is provided with a blowoff valve 24 and stretches out the bottom of shell body 1; In the present embodiment, the material of the first inner bag 2 is TRPP (FRPP).
Heat-insulation layer 3, this heat-insulation layer 3 is arranged between shell body 1 and the first inner bag 2;
Temperature controller 4, this temperature controller 4 is for controlling the internal system temperature of electric heating energy storage equipment body 0;
Storage body 5, this storage body 5 is arranged in the first inner bag 2, storage body 5 comprises the second inner bag 6 and the electric heater unit 7 be arranged in the second inner bag 6 and energy storage materials of phase change 8 that entirety is containment cylinder shape, described electric heater unit 7 comprises some electrical heating elements 70 and some heat conduction baffles 71, heat conduction baffle 71 is provided with some through holes 72, electrical heating elements 70 is concatenated into one by through hole 72 mutually some heat conduction baffles 71, and heat conduction baffle 71 is set in parallel each other, and the outer wall of electrical heating elements 70 and through hole 72) between be arranged to interference fit or be welded to each other fixing, the top of the second inner bag 6 is provided with the second electric heating tube outlet 60, electrical heating elements 70 is through the top of stretching out shell body 1 after the first electric heating tube outlet 22 and the second electric heating tube outlet 60, and external part and opening 10 adaptation, and the power supply wiring of external part is connected with temperature controller 4, the outer wall of electrical heating elements 70 and the first electric heating tube outlet 22 and the second electric heating tube are exported 60 contact positions and are tightly connected by electric welding.
In the present embodiment, the outer surface of the second inner bag 6 is provided with heat transmission fin 61, heat transmission fin 61 entirety is arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of the second inner bag 6, the outward flange of heat transmission fin 61 and the inwall of the first inner bag 2 are fitted and make the gap between adjacent heat transmission fin 61 form a spiral internal channel 63 from bottom to top of entirety, the Single port of internal channel 63 connects coolant media interface 20, accordingly, another port connects thermal medium interface 21.In the present embodiment, the outward flange of heat transmission fin 61 does not establish diversion gap 62.
In the present embodiment, second inner bag 6 is also provided with a threaded blind pipe 64, this blind pipe 64 one end is stretched in the second inner bag 6, is also provided with a temperature sensor 65 in blind pipe 64, temperature sensor 65 is connected with temperature controller 4, and temperature controller 4 is arranged on the outer surface of shell body 1.
In the present embodiment, the material of the second inner bag 6 and electric heater unit 7 is stainless steel.
As shown in Figure 6, electrical heating elements 70 comprises a threaded metal blind pipe 700 and the electrothermal tube 701 be arranged in metal blind pipe 700 and conduction oil 702.
Energy storage materials of phase change 8 of the present invention is high heat conduction inorganic phase-changing material, can prepare according to one of them formula of following composition and mass percentage content:
(1) energy-accumulation material 93%, nucleator 2%, modifier 1%, water 2%, enhanced thermal conduction material 2%;
(2) energy-accumulation material 93%, nucleator 0.5%, modifier 3%, water 2.5%, enhanced thermal conduction material 1%;
(3) energy-accumulation material 80%, nucleator 0.25%, modifier 0.1%, water 0.65%, enhanced thermal conduction material 19%;
(4) energy-accumulation material 99.4%, nucleator 0.25%, modifier 0.1%, water 0.1%, enhanced thermal conduction material 0.15%;
(5) energy-accumulation material 80%, nucleator 10%, modifier 4%, water 1%, enhanced thermal conduction material 5%;
(6) energy-accumulation material 81%, nucleator 0.4%, modifier 15%, water 3%, enhanced thermal conduction material 0.6%;
(7) energy-accumulation material 80%, nucleator 4%, modifier 0.7%, water 15%, enhanced thermal conduction material 0.3%.
Wherein, energy-accumulation material is crystalline hydrate salt, and this crystalline hydrate salt is one or several the mixture in ten hydrogen phosphate dihydrate sodium, ten sulfate dihydrate sodium, Sodium acetate trihydrate, barium hydroxide, five water sodium thiosulfate, calcium chloride hexahydrate, epsom salt, washing soda.Nucleator is carbonate or borate, and carbonate is one or several the mixture in calcium carbonate, brium carbonate, strontium carbonate, magnesium carbonate, and borate is borax.Modifier is polyacrylate emulsion or thickening powder, and thickening powder is one or several the mixture that denseness doubles in agent, instant all-transparent thickening powder, the transparent thickening powder of instant acid and alkali-resistance, all-transparent thickening powder, translucent thickening powder.Enhanced thermal conduction material is one or several the mixture in graphite, carbon dust, copper powder, carbon fiber, carborundum powder.
Embodiment 2:
As shown in Figure 3 and Figure 4, the outer surface of the second inner bag 6 is provided with heat transmission fin 61, heat transmission fin 61 entirety is arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of the second inner bag 6, and the outer rim of heat transmission fin 61 is provided with some diversion gaps 62.In the present embodiment, do not need internal channel 63, other with embodiment 1 roughly the same, this is no longer going to repeat them.
Embodiment 3:
As shown in Figure 7, the top of electric heating energy storage equipment body 0 is provided with a blower fan 9, and blower fan 9 is communicated with coolant media interface 20 or thermal medium interface 21.In the technical program, coolant media interface 20 and thermal medium interface 21 are exactly air inlet and air outlet, other with embodiment 1 roughly the same, this is no longer going to repeat them.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ electric heating energy storage equipment body, shell body, the first inner bag, heat-insulation layer, temperature controller, storage body, the second inner bag, electric heater unit, energy storage materials of phase change, blower fan, opening, coolant media interface, thermal medium interface, the first electric heating tube outlet, safety valve, blowoff valve, the second electric heating tube outlet, heat transmission fin, diversion gap, internal channel, blind pipe, temperature sensor, electrical heating elements, heat conduction baffle, through hole, metal blind pipe, electrothermal tube, heat conduction wet goods term herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. an electric heating energy storage equipment, comprises electric heating energy storage equipment body (0), it is characterized in that:
Described electric heating energy storage equipment body (0) comprising:
Shell body (1), this shell body (1) is provided with some openings (10);
First inner bag (2), this first inner bag (2) is arranged in described shell body (1), be provided with the coolant media interface (20) of through described the first inner bag (2) body, thermal medium interface (21) and the first electric heating tube outlet (22), described coolant media interface (20) and thermal medium interface (21) and described opening (10) adaptation;
Heat-insulation layer (3), this heat-insulation layer (3) is arranged between shell body (1) and the first inner bag (2);
Temperature controller (4), this temperature controller (4) is for controlling the internal system temperature of described electric heating energy storage equipment body (0);
Storage body (5), this storage body (5) is arranged in described the first inner bag (2), described storage body (5) comprises the second inner bag (6) and the electric heater unit (7) be arranged in described the second inner bag (6) and energy storage materials of phase change (8) that entirety is containment cylinder shape, described electric heater unit (7) comprises some electrical heating elements (70) and some heat conduction baffles (71), described heat conduction baffle (71) is provided with some through holes (72), described electrical heating elements (70) is concatenated into one by described through hole (72) mutually some heat conduction baffles (71), and heat conduction baffle (71) is set in parallel each other, and be arranged to interference fit between the outer wall of described electrical heating elements (70) and described through hole (72) or be welded to each other fixing, the top of described the second inner bag (6) is provided with the second electric heating tube outlet (60), described electrical heating elements (70) is through the top of stretching out described shell body (1) after the first described electric heating tube outlet (22) and the second electric heating tube outlet (60), and external part and described opening (10) adaptation, and the power supply wiring of external part is connected with described temperature controller (4), the outer wall of described electrical heating elements (70) and the first described electric heating tube export (22) and the second electric heating tube outlet (60) contact position is tightly connected by electric welding.
2. a kind of electric heating energy storage equipment according to claim 1, is characterized in that: the outer surface of described the second inner bag (6) is provided with heat transmission fin (61).
3. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: the outer surface of described the second inner bag (6) is provided with heat transmission fin (61), described heat transmission fin (61) is overall to be arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of described the second inner bag (6).
4. a kind of electric heating energy storage equipment according to Claims 2 or 3, is characterized in that: the outer rim of described heat transmission fin (61) is provided with some diversion gaps (62).
5. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: the outer surface of described the second inner bag (6) is provided with heat transmission fin (61), described heat transmission fin (61) is overall to be arranged in the shape of a spiral and is fixed on by high-frequency welding on the outer surface of described the second inner bag (6), the outward flange of described heat transmission fin (61) and the inwall of described the first inner bag (2) are fitted and make the gap between adjacent heat transmission fin (61) form a spiral internal channel (63) from bottom to top of entirety, the coolant media interface (20) described in Single port connection of described internal channel (63), accordingly, thermal medium interface (21) described in another port connects.
6. a kind of electric heating energy storage equipment according to claim 1, is characterized in that: described electrical heating elements (70) comprises a threaded metal blind pipe (700) and the electrothermal tube (701) be arranged in described metal blind pipe (700) or electrothermal tube (701) and conduction oil (702).
7. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: the top of described the first inner bag (2) is provided with a safety valve (23) and stretches out the top of described shell body (1), the bottom of described the first inner bag (2) is provided with a blowoff valve (24) and stretches out the bottom of described shell body (1).
8. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: described the second inner bag (6) is also provided with a threaded blind pipe (64), this blind pipe (64) one end is stretched in described the second inner bag (6), a temperature sensor (65) is also provided with in described blind pipe (64), described temperature sensor (65) is connected with described temperature controller (4), and described temperature controller (4) is arranged on the outer surface of described shell body (1).
9. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: the material of described the first inner bag (2) is TRPP (FRPP), described the second inner bag (6) and the material of electric heater unit (7) are stainless steel.
10. a kind of electric heating energy storage equipment according to claim 1, it is characterized in that: the top of described electric heating energy storage equipment body (0) is provided with a blower fan (9), described blower fan (9) is communicated with described coolant media interface (20) or thermal medium interface (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510450268.XA CN105042857A (en) | 2015-07-23 | 2015-07-23 | Electric heating energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510450268.XA CN105042857A (en) | 2015-07-23 | 2015-07-23 | Electric heating energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105042857A true CN105042857A (en) | 2015-11-11 |
Family
ID=54449626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510450268.XA Pending CN105042857A (en) | 2015-07-23 | 2015-07-23 | Electric heating energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105042857A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731093A (en) * | 2017-04-25 | 2018-11-02 | 李渊 | A kind of phase-change thermal storage heat collector |
| CN109737586A (en) * | 2018-11-30 | 2019-05-10 | 华能无锡电热器材有限公司 | A kind of Novel electric heater and heating system |
| CN113432295A (en) * | 2021-06-09 | 2021-09-24 | 北京航空航天大学 | Spiral high-flow ultrahigh-temperature air electric heater |
-
2015
- 2015-07-23 CN CN201510450268.XA patent/CN105042857A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731093A (en) * | 2017-04-25 | 2018-11-02 | 李渊 | A kind of phase-change thermal storage heat collector |
| CN109737586A (en) * | 2018-11-30 | 2019-05-10 | 华能无锡电热器材有限公司 | A kind of Novel electric heater and heating system |
| CN113432295A (en) * | 2021-06-09 | 2021-09-24 | 北京航空航天大学 | Spiral high-flow ultrahigh-temperature air electric heater |
| CN113432295B (en) * | 2021-06-09 | 2022-09-23 | 北京航空航天大学 | Spiral high-flow ultrahigh-temperature air electric heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109654930A (en) | A kind of vertical layering phase transition heat accumulation unit based on special-shaped fin | |
| CN105042857A (en) | Electric heating energy storage device | |
| CN105043148A (en) | Electric heating energy-storing container | |
| CN205002646U (en) | Electric heat energy storage container | |
| CN205048728U (en) | Two inner bag energy storage water tanks | |
| CN104034193A (en) | Energy storing device | |
| CN106767073A (en) | A kind of energy-accumulating solid module and electric heating energy-accumulating solid device | |
| CN106123337A (en) | A kind of energy storing electric water heater | |
| CN105091331A (en) | Water-tank-free energy storage heat pump water heater | |
| CN203757845U (en) | Parallel type superconductive solar heat pump hot water bathing and heating system | |
| CN202751210U (en) | Cold and hot water dispenser capable of recovering heat for heating water | |
| CN204165436U (en) | A kind of energy storage equipment | |
| CN104132458A (en) | Electric energy storage device | |
| CN205002385U (en) | Electric heat energy storage equipment | |
| CN105091335A (en) | Double-liner energy storage water tank | |
| CN104864585A (en) | Electric heating energy storage water heater | |
| CN205191914U (en) | No water tank energy storage heat pump water heater | |
| CN213300879U (en) | Rotary kiln waste heat utilization structure | |
| CN108168349A (en) | A kind of industrial air compressor recuperation of heat heat-exchanger rig | |
| CN205191919U (en) | Two inner bags electricity energy storage water heater | |
| CN104075605A (en) | Energy storage device | |
| CN204806683U (en) | Energy storage equipment | |
| CN204648408U (en) | A kind of electric heating accumulation of energy bucket | |
| CN1566253A (en) | High performance phase-change heat-accumulation material and its applied technique | |
| CN204806650U (en) | Electric heat energy storage water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |