CN103528411B - A kind of noncontact electrical heating solid-liquid mixing heat-storing device - Google Patents

A kind of noncontact electrical heating solid-liquid mixing heat-storing device Download PDF

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Publication number
CN103528411B
CN103528411B CN201310538239.XA CN201310538239A CN103528411B CN 103528411 B CN103528411 B CN 103528411B CN 201310538239 A CN201310538239 A CN 201310538239A CN 103528411 B CN103528411 B CN 103528411B
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heat
heat storage
storage box
electric heater
heater unit
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CN201310538239.XA
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CN103528411A (en
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邹恩义
李静静
林军
连志荣
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Dalian Lantian Amperex Technology Limited
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Dalian Jiaotong University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Other Air-Conditioning Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a kind of noncontact electrical heating solid-liquid mixing heat-storing device, including being loaded with the electric heater unit of insulation, heat conduction and arc extinguishing liquid, the heat storage box being loaded with solid and liquid mixing material and heat-exchanger rig, described electric heater unit is connected with heat storage box pipeline, and described heat storage box is connected with heat-exchanger rig pipeline;Under duty: the high temperature material after heated in electric heater unit is entered after heat storage box carries out heat exchange by pipeline and is back to electric heater unit, the cryogenic substance in described heat-exchanger rig is entered by pipeline after carrying out heat exchange with the material in heat storage box in heat storage box and is back to heat-exchanger rig。Solid energy storage material is immersed in liquid thermal conductivity material by noncontact electrical heating solid-liquid mixing heat-storing device provided by the invention, heats and utilizes liquid thermal conductivity material to complete by thermal process。Simultaneously in heating with, in thermal process, reducing flow and the heat-exchanger rig of heat-conducting medium, it is possible to achieve high-power heat accumulation and with hot。

Description

A kind of noncontact electrical heating solid-liquid mixing heat-storing device
Technical field
The present invention relates to heat-storing device, particularly relate to a kind of noncontact electrical heating solid-liquid mixing heat-storing device。
Background technology
The heating heat-storing device of prior art solves the safety issue directly using high-tension electricity heating energy storage material water, saves the investment of transformator simultaneously, reduces equipment cost。But using water heat accumulation, temperature not can exceed that 100 DEG C, so constrain the use scope of heat accumulation, for instance high-temperature steam can not be produced。
Solid heat accumulation is currently also ripe technology, and its heat accumulating is refractory material。Heat accumulation temperature is also higher, reaches 400 500 DEG C, and owing to being air insulation, high voltage direct-furnish safe distance requires relatively big, so thermal store internal volume utilization rate is relatively low, affects quantity of heat storage。It addition, its electrical heating and heat accumulation are all dependent on hot-air carries out heat exchange as medium, owing to heat capacity of air is only small, high-power heat to be completed, it is necessary to blower fan that flow is very big and heat-exchanger rig, so use scope is also affected by certain restriction。
Summary of the invention
According to prior art Problems existing, the invention discloses a kind of noncontact electrical heating solid-liquid mixing heat-storing device, including being loaded with the electric heater unit of insulation, heat conduction and arc extinguishing liquid, the heat storage box being loaded with solid and liquid mixing material and heat-exchanger rig, described electric heater unit is connected with heat storage box pipeline, and described heat storage box is connected with heat-exchanger rig pipeline;
Under duty: the high temperature material after heated in electric heater unit is entered after heat storage box carries out heat exchange by pipeline and is back to electric heater unit, the cryogenic substance in described heat-exchanger rig is entered by pipeline after carrying out heat exchange with the material in heat storage box in heat storage box and is back to heat-exchanger rig。
Being provided with heat storage exchanger between described electric heater unit and heat storage box, described heat storage exchanger is connected with electric heater unit and heat storage box pipeline respectively。
The port of export of described heat storage exchanger and the entrance point of electric heater unit are communicated with water pump I;The port of export of described heat storage box and the entrance point of heat storage exchanger are communicated with water pump II;The port of export of described heat storage box and the entrance point of heat-exchanger rig are communicated with water pump III。
The entrance point of described heat storage box is provided with accommodation chamber I, and the port of export of described heat storage box is provided with accommodation chamber II。
Owing to have employed technique scheme, solid energy storage material is immersed in liquid thermal conductivity material by noncontact electrical heating solid-liquid mixing heat-storing device provided by the invention, heats and utilizes liquid thermal conductivity material to complete by thermal process。Owing to solid heat conductive material maximum operation (service) temperature can reach 300--400 DEG C at present, it is possible to reach to produce the requirement of high-temperature steam。Solid heat conductive material thermal capacitance is relatively big simultaneously, adds the quantity of heat storage in thermal store。Simultaneously in heating with, in thermal process, reducing flow and the heat-exchanger rig of heat-conducting medium, it is possible to achieve high-power heat accumulation and with hot。Due to its simple in construction, it is not only convenient for producing, and cost very cheap being suitable to is widely popularized。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the structural representation of the present invention
Fig. 2 is the structural representation of the present invention
Fig. 3 is the structural representation of the embodiment of the present invention。
In figure: 1. electric heater unit;2. heat storage exchanger;3. heat storage box;4. heat-exchanger rig;5. water pump I;6. water pump II;7. water pump III;8. Pressure gauge;9. thermometer;11. fire end exports;12. fire end entrance;21. import I;22. outlet I;23. outlet II;24. import II;31. storage hot side inlet I;32. heat accumulation brings out a mouthful I;33. storage hot side inlet II;34. heat accumulation brings out a mouthful II;37. hold chamber I;38. hold chamber II;41. heat-exchange end exports;42. heat-exchange end entrance。
Detailed description of the invention
For making technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear complete description:
Noncontact electrical heating solid-liquid mixing heat-storing device as shown in Figure 1, including: electric heater unit 1, heat storage box 3 and heat-exchanger rig 4, electric heater unit 1 is connected with heat storage box 3 pipeline, heat storage box 3 is connected with heat-exchanger rig 4 pipeline, in use, insulation, heat conduction and arc extinguishing liquid will be loaded with in electric heater unit 1, utilize electric heater unit 1 that this liquid is heated, then the high-temp liquid after heating is entered in heat storage box 3 by pipeline。Being loaded with solid matter and hot body material in heat storage box 3, above-mentioned heated material enters heat storage box 3 and the material in heat storage box 3 and carries out electric heater unit 1 after heat exchange, repeatedly circulates, make the solid in heat storage box 3, temperature of liquid raise under above-mentioned work。Cryogenic substance in heat-exchanger rig 4 is back to heat-exchanger rig 4 after carrying out heat exchange with high temperature material in heat storage box 3 after entering heat storage box 3。Said structure be applied to the insulation in electric heater unit 1, heat conduction and arc extinguishing liquid can as Heat Conduction Material when。
Further, as shown in Figure 2, when the insulation in electric heater unit 1, heat conduction and arc extinguishing liquid and Heat Conduction Material are two kinds of materials, being then provided with heat storage exchanger 2 between electric heater unit 1 and heat storage box 3, heat storage exchanger 2 is connected with electric heater unit 1 and heat storage box 3 pipeline respectively。Liquid after being then heated in electric heater unit 1 enters after liquid internal with it in heat storage exchanger 2 carries out heat exchange and is back to electric heater unit 1。Temperature of liquid in heat storage exchanger 2 enters after heat storage box 3 carries out heat exchange with the material in storage tank 3 after raising and is back to heat storage exchanger 2。
Further, as in figure 2 it is shown, the entrance point of the port of export of described heat storage exchanger 2 and electric heater unit 1 is communicated with water pump I5;The entrance point of the port of export of heat storage box 3 and heat storage exchanger 2 is communicated with water pump II6;The entrance point of the port of export of heat storage box 3 and heat-exchanger rig 4 is communicated with water pump III7。
Further, as in figure 2 it is shown, the entrance point of heat storage box 3 is provided with accommodation chamber I37, the port of export of heat storage box 3 is provided with accommodation chamber II38。It is placed with liquid solution holding in chamber I37 and accommodation chamber II38。
Further, in noncontact electrical heating solid-liquid mixing heat-storing device, electric heater unit 1, heat storage box 3 and heat-exchanger rig 4 are both provided with Pressure gauge 8 and thermometer 9。
Embodiment: in Fig. 3, the liquid arrow points when heat conduction, the direction of arrow represents the flow direction of liquid。If heated material and Heat Conduction Material are not same materials in electric heater unit 1, first after insulation, heat conduction and arc extinguishing liquid are heated in electric heater unit 1, export after 11 interior liquid internal with it of import I21 entrance heat storage exchanger 2 exited into from heat storage exchanger 2 carry out heat exchange from the fire end of electric heater unit 1 and flow out along the outlet I22 of heat storage exchanger 2 again, enter electric heater unit 1 continuation along fire end entrance 12 place and heat。Cycle as mentioned above down, until the mass temperature in heat storage exchanger 2 raises。Flowed out along outlet II23 by the material after heat exchange in heat storage exchanger 2, enter back in the gap of its internal solids along the accommodation chamber I37 of the storage hot side inlet I31 entrance heat storage box 3 of heat storage box 3, carrying out heat exchange with the liquid in heat storage box 3 and solid makes the mass temperature in heat storage box 3 raise, then the cryogenic substance after heat exchange flows into and holds chamber II38, bring out mouthful I32 along heat accumulation to flow out, enter heat storage exchanger 2 along import II24 and proceed heat exchange。So circulation is gone down, until the solid in heat storage box 3 reaches the temperature of requirement。The material of heat-exchanger rig 4 exports 41 outflows along heat-exchange end, enter in the accommodation chamber I37 of heat storage box 3 along storage hot side inlet II33, enter back in heat storage box 3 in the gap of solid, heat exchange is carried out with the high-temp solid in heat storage box 3 and liquid, temperature flows into after raising and brings out a mouthful II34 outflow along heat accumulation, enters in heat-exchanger rig 4 along heat-exchange end entrance 42。
Noncontact electrical heating solid-liquid mixing heat-storing device disclosed by the invention, after insulation, heat conduction and the heating of arc extinguishing liquid, heat exchange is carried out with the solid-liquid in heat storage box 3 in electric heater unit 1, the solid temperature in heat storage box 3 is made to raise, material in heat-exchanger rig 4 enters in heat storage box 3, the material internal with it carries out heat exchange, it is achieved the purpose of high-power heat accumulation heat。
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention。

Claims (3)

1. a noncontact electrical heating solid-liquid mixing heat-storing device, it is characterized in that: the electric heater unit (1) including being loaded with insulation, heat conduction and arc extinguishing liquid, the heat storage box (3) being loaded with solid and liquid mixing material and heat-exchanger rig (4), heat storage exchanger (2) it is provided with between described electric heater unit (1) and heat storage box (3), described heat storage exchanger (2) is connected with electric heater unit (1) and heat storage box (3) pipeline respectively, and described heat storage box (3) is connected with heat-exchanger rig (4) pipeline;
Under duty: the high temperature material after heated in electric heater unit (1) is entered by pipeline and is back to electric heater unit (1) after heat storage exchanger (2) carries out heat exchange, the cryogenic substance in described heat-exchanger rig (4) is entered by pipeline after carrying out heat exchange with the material in heat storage box (3) in heat storage box (3) and is back to heat-exchanger rig (4)。
2. a kind of noncontact electrical heating solid-liquid mixing heat-storing device according to claim 1, is further characterized in that: the entrance point of the port of export of described heat storage exchanger (2) and electric heater unit (1) is communicated with water pump I (5);The entrance point of the port of export of described heat storage box (3) and heat storage exchanger (2) is communicated with water pump II (6);The entrance point of the port of export of described heat storage box (3) and heat-exchanger rig (4) is communicated with water pump III (7)。
3. a kind of noncontact electrical heating solid-liquid mixing heat-storing device according to claim 1, being further characterized in that: the entrance point of described heat storage box (3) is provided with accommodation chamber I (37), the port of export of described heat storage box (3) is provided with accommodation chamber II (38)。
CN201310538239.XA 2013-11-04 2013-11-04 A kind of noncontact electrical heating solid-liquid mixing heat-storing device Active CN103528411B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109995272A (en) * 2019-03-15 2019-07-09 宁波中科远东催化工程技术有限公司 A kind of chemical industry evaporator using waste heat thermo-electric generation
CN117739727B (en) * 2024-02-19 2024-05-03 浙江昱华新能源科技有限公司 Molten salt heating device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003786A (en) * 1975-09-16 1977-01-18 Exxon Research And Engineering Company Thermal energy storage and utilization system
CN102607310A (en) * 2012-04-01 2012-07-25 昆明理工大学 Transporting utilizing method of low-temperature excess heat of iron and steel enterprises
CN203215985U (en) * 2013-04-12 2013-09-25 大连交通大学 Non-contact electric heating circulating system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003786A (en) * 1975-09-16 1977-01-18 Exxon Research And Engineering Company Thermal energy storage and utilization system
CN102607310A (en) * 2012-04-01 2012-07-25 昆明理工大学 Transporting utilizing method of low-temperature excess heat of iron and steel enterprises
CN203215985U (en) * 2013-04-12 2013-09-25 大连交通大学 Non-contact electric heating circulating system

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Effective date of registration: 20161213

Address after: 116011 Dalian, Liaoning, Xigang District, No. 17 maritime Street

Patentee after: Dalian Lian Iron Technology Development Co., Ltd.

Address before: 116028 the Yellow River Road, Shahekou District, Liaoning, No. 794, No.

Patentee before: Dalian Jiaotong University

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Effective date of registration: 20170406

Address after: 116600 Liaoning, Dalian Free Trade Zone, 33-3, -A

Patentee after: Dalian Lantian Amperex Technology Limited

Address before: No. 17, Xigang maritime Street

Patentee before: Dalian Lian Iron Technology Development Co., Ltd.