CN104566978A - Industrial-grade cascaded electric heat storage system - Google Patents
Industrial-grade cascaded electric heat storage system Download PDFInfo
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- CN104566978A CN104566978A CN201410564863.1A CN201410564863A CN104566978A CN 104566978 A CN104566978 A CN 104566978A CN 201410564863 A CN201410564863 A CN 201410564863A CN 104566978 A CN104566978 A CN 104566978A
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Abstract
The invention provides an industrial-graded cascaded electric heat storage system. The industrial-grade cascaded electric heat storage system is arranged in a shell and is composed of a set of electric heat storage system unit modules capable of working independently or multiple sets of the electric heat storage system unit modules; the electric heat storage system unit modules operate in a serial, parallel or serial and parallel hybrid manner; a heat insulation material is filled between the shell and each electric heat storage system unit module. According to the industrial-graded cascaded electric heat storage system, the heat exchange areas of heat exchangers are relatively increased by cascading of the heat exchangers, and the industrial production requirements are met.
Description
Technical field
The invention discloses one both can provide high-temperature medium (as high-temperature water vapor) also can provide the industrial tandem type electric energy heat storage system of low temperature large discharge medium, belonged to energy source use field, particularly related to the application of electric energy storage device.
Background technology
Industrial heat resources is the important energy demand of many industrial circles, all needs a large amount of high-temperature mediums (as high-temperature steam) in the production process as industries such as weaving, papermaking, pharmacy, building materials.There is provided the electric heating energy-storage device of high-temperature medium compared with the device providing cryogenic media, require that the thermal power that electric heating energy-storage device can discharge and provide is higher, but current existing electric heating energy-storage device can not meet the demands.
Summary of the invention
Goal of the invention
The invention provides a kind of to provide the industrial tandem type electric energy heat storage system of high-temperature medium (as high-temperature water vapor), its objective is that solution Electric Power Storage device in the past cannot produce the problem of high-temperature medium.
Technical scheme
A kind of industrial tandem type electric energy heat storage system, installs in the enclosure, it is characterized in that: this system is by a set of electric energy heat storage system unit module composition that can work independently or by overlapping above-mentioned electric energy heat storage system unit module composition more; Series, parallel or connection in series-parallel mixed running is adopted between electric energy heat storage system unit module; Insulation material is filled with between shell and electric energy heat storage system unit module.
Each electric energy heat storage system unit module comprises electrical heating elements, heat accumulating, controller and at least one heat exchanger; The electrical heating elements be connected with external power source is arranged on above heat exchanger; It is heat accumulating above electrical heating elements; Controller is connected with the power sourced electric of heat exchanger heated medium effuser, heat transferring medium driving pump and outside respectively; The heated medium arrival end of heat exchanger connects heat exchanger heated medium inflow pipe, and the heated medium port of export of heat exchanger connects heat exchanger heated medium effuser; The intermediate medium arrival end of heat exchanger connects heat exchanger intermediate medium inflow pipe, and the intermediate medium port of export of heat exchanger connects heat exchanger intermediate medium effuser; The other end of heat transferring medium driving pump connects heat exchanger intermediate medium inflow pipe and heat exchanger intermediate medium effuser respectively.
The heat exchanger often overlapped in electric energy heat storage system unit module adopts series operation, parallel running or series and parallel mixed running.
This system is by the electric energy heat storage system unit module composition of many cover series connection, often overlap electric energy heat storage system unit module and contain a heat exchanger, by heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by heated medium stepped heating, to export high-temperature medium.
This system, by the electric energy heat storage system unit module composition of at least two cover parallel connections, is often overlapped electric energy heat storage system unit module and is contained a heat exchanger, form industrial electric energy heat storage system, to export the heated medium of low temperature large discharge by heat exchanger parallel connection.
This system is by a set of electric energy heat storage system unit module composition, this electric energy heat storage system unit module comprises at least two heat exchangers, by above-mentioned heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by medium stepped heating, for exporting high-temperature medium.
This system, by the electric energy heat storage system unit module composition of many cover parallel connections, is often overlapped electric energy heat storage system unit module and is contained at least two heat exchangers, and above-mentioned heat exchanger parallel connection forms industrial tandem type electric energy heat storage system, to export the heated medium of low temperature large discharge.
Advantage and effect
The present invention is a kind of industrial tandem type electric energy heat storage system, has the following advantages:
(1) this system adds the heat exchange area of heat accumulating and heat exchanger relatively simultaneously by the cascade of interchanger, and it can realize high-power thermal energy exchange, meets demand of industrial production.
(2) temperature exported in thermal store can reach 150 DEG C-800 DEG C, in international and the domestic level that is in a leading position.
(3) in order to ensure electrical heating process safety, the safe heat exchange mode that the present invention adopts wind isolated water, electricity unique, network automatic control technology is adopted in operation, when any one piece of thermal store breaks down, system meeting automatic alarm, keep in repair in time, do not affect other thermal store and normally work, do not affect heat reservoir overall operation.
(4) can according to user's actual needs, thermal store exchanges and uses, and reduces power consumption, the service life of extension device.
Accompanying drawing explanation
Fig. 1 is the cascade principle figure that an electric energy heat storage system unit module of the present invention comprises 3 heat exchanger assemblies.
Fig. 2 be the present invention by 2 electric energy heat storage system unit modules, each electric energy heat storage system unit module comprises the cascade principle figure of the embodiment that 3 heat exchanger assemblies are formed.
Fig. 3 be the present invention by 2 electric energy heat storage system unit modules, the first cascade of each electric energy heat storage system unit module 3 heat exchanger assemblies, then the schematic diagram forming cascade in parallel.
Description of reference numerals:
1. shell; 2. electric energy heat storage system unit module; 3. heat accumulating; 4. heat exchanger; 5. insulation material; 6. electrical heating elements; 7. heat exchanger heated medium inflow pipe; 8. heat exchanger heated medium effuser; 9. controller; 10. heat transferring medium driving pump; 11. heat exchanger intermediate medium inflow pipes; 12. heat exchanger intermediate medium effusers.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
A kind of industrial tandem type electric energy heat storage system of the present invention, as shown in figs. 1-3, be arranged in shell 1, it is characterized in that: this system is made up of a set of electric energy heat storage system unit module 2 that can work independently or forms by overlapping above-mentioned electric energy heat storage system unit module 2 more; Series, parallel or connection in series-parallel mixed running is adopted between electric energy heat storage system unit module 2; Insulation material 5 is filled with between shell 1 and electric energy heat storage system unit module 2.
Each electric energy heat storage system unit module 2 comprises electrical heating elements 6, heat accumulating 3, controller 9 and at least one heat exchanger 4; The electrical heating elements 6 be connected with external power source is arranged on above heat exchanger 4; It is heat accumulating 3 above electrical heating elements 6; Controller 9 is connected with the power sourced electric of heat exchanger heated medium effuser 8, heat transferring medium driving pump 10 and outside respectively; Controller 9 controls the heating power of the rotating speed of heat transferring medium driving pump 10 and the power supply of outside by detecting the temperature of heated medium, pressure and flow signal; The heated medium arrival end of heat exchanger 4 connects heat exchanger heated medium inflow pipe 7, and the heated medium port of export of heat exchanger 4 connects heat exchanger heated medium effuser 8; The intermediate medium arrival end of heat exchanger 4 connects heat exchanger intermediate medium inflow pipe 11, and the intermediate medium port of export of heat exchanger 4 connects heat exchanger intermediate medium effuser 12; The other end of heat transferring medium driving pump 10 connects heat exchanger intermediate medium inflow pipe 11 and heat exchanger intermediate medium effuser 12 respectively.
If heat transferring medium is air, heat transferring medium driving pump 10 also can be blower fan.
The heat exchanger 4 often overlapped in electric energy heat storage system unit module 2 adopts series operation, parallel running or series and parallel mixed running.
This system is by the electric energy heat storage system unit module composition of many cover series connection, often overlap electric energy heat storage system unit module and contain a heat exchanger, by heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by heated medium stepped heating, to export high-temperature medium.
This system is by the electric energy heat storage system unit module composition of at least two cover parallel connections, often overlap electric energy heat storage system unit module and contain a heat exchanger, industrial electric energy heat storage system is formed, to export the heated medium of (relatively) low temperature large discharge by heat exchanger parallel connection.
This system is by a set of electric energy heat storage system unit module composition, this electric energy heat storage system unit module comprises at least two heat exchangers, by above-mentioned heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by medium stepped heating, for exporting high-temperature medium.
This system is by the electric energy heat storage system unit module composition of many cover parallel connections, often overlap electric energy heat storage system unit module and contain at least two heat exchangers, above-mentioned heat exchanger parallel connection forms industrial tandem type electric energy heat storage system, to export the heated medium of (relatively) low temperature large discharge.
This system adds the heat exchange area of heat exchanger relatively by the cascade of heat exchanger, meets demand of industrial production.
The cascade heat exchanger of more than 2 or 2 or several series, parallel or connection in series-parallel heat exchanger used in combination can be arranged in a shell 1 by this system.
Embodiment 1:
Industrial tandem type electric energy heat storage system comprises an electric energy heat storage system unit module, and electric energy heat storage system unit module comprises 3 heat exchangers, and 3 heat exchangers are connected successively, and cascade principle figure as shown in Figure 1.
Embodiment 2:
Industrial tandem type electric energy heat storage system is made up of 2 electric energy heat storage system unit block coupled in series, and each electric energy heat storage system unit module comprises the heat exchanger of 3 series connection, and 6 heat exchangers are connected successively, and cascade principle figure as shown in Figure 2.
Embodiment 3:
Industrial tandem type electric energy heat storage system is made up of 2 electric energy heat storage system unit wired in parallel, each electric energy heat storage system unit module comprises the heat exchanger of 3 series connection, 3 heat exchangers of connecting successively are in parallel with other 3 heat exchangers of connecting successively, and cascade principle figure as shown in Figure 3.
Operation principle of the present invention is as follows:
This industrial tandem type electric heating energy-storage system of the present invention converts electrical energy into thermal energy storage in heat accumulating, when needs release heat, by the heat transferring medium between high-temperature heat-storage material and high-temperature heat-exchanging, by the heat transfer of heat accumulating to high-temperature heat-exchanging, by geomantic omen heat exchanger and frequency conversion heat exchange blower fan, hot blast is circulated in stove and between heat exchanger, heat exchanger transfers heat to ducted water, exports the equipment of hot water, hot blast and steam when needed.Often overlap heat exchanger in unit module can series operation, parallel running or string mixed running; Between different electric heating energy-storage system unit modules also can series operation, parallel running or connection in series-parallel mixed running.This electric energy heat storage system have employed internal model control and to combine with serials control control method, effectively overcomes aspect impact time lag and has good vulnerability to jamming and stability simultaneously.When often overlapping electric energy heat storage system unit module only containing a heat exchanger, by overlapping electric energy heat storage system unit module composition more, by heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by heated medium stepped heating, to export high-temperature medium.When electric energy heat storage system unit module comprises two and above multiple stage heat exchanger, by these heat exchangers by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by medium stepped heating, for exporting high-temperature medium.Often overlap heat exchanger in unit module can series operation also can parallel running; Between different unit modules also can series operation, parallel running and connection in series-parallel mixed running.
The temperature exported in heat accumulating of the present invention can reach 150 DEG C-800 DEG C, in international and the domestic level that is in a leading position.In order to ensure electrical heating process safety, the safe heat exchange mode that the present invention adopts wind isolated water, electricity unique, network automatic control technology is adopted in operation, when any one piece of heat accumulating breaks down, system meeting automatic alarm, keep in repair in time, do not affect other thermal store and normally work, do not affect heat reservoir overall operation.Can also according to user's actual needs, heat accumulating exchanges and uses, and reduces power consumption, the service life of extension device.
Claims (7)
1. an industrial tandem type electric energy heat storage system, be arranged in shell (1), it is characterized in that: this system is made up of a set of electric energy heat storage system unit module (2) that can work independently or forms by overlapping above-mentioned electric energy heat storage system unit module (2) more; Series, parallel or connection in series-parallel mixed running is adopted between electric energy heat storage system unit module (2); Insulation material (5) is filled with between shell (1) and electric energy heat storage system unit module (2).
2. industrial tandem type electric energy heat storage system according to claim 1, is characterized in that: each electric energy heat storage system unit module (2) comprises electrical heating elements (6), heat accumulating (3), controller (9) and at least one heat exchanger (4); The electrical heating elements (6) be connected with external power source is arranged on heat exchanger (4) top; Electrical heating elements (6) top is heat accumulating (3); Controller (9) is connected with heat exchanger heated medium effuser (8), heat transferring medium driving pump (10) and outside power sourced electric respectively; The heated medium arrival end of heat exchanger (4) connects heat exchanger heated medium inflow pipe (7), and the heated medium port of export of heat exchanger (4) connects heat exchanger heated medium effuser (8); The intermediate medium arrival end of heat exchanger (4) connects heat exchanger intermediate medium inflow pipe (11), and the intermediate medium port of export of heat exchanger (4) connects heat exchanger intermediate medium effuser (12); The other end of heat transferring medium driving pump (10) connects heat exchanger intermediate medium inflow pipe (11) and heat exchanger intermediate medium effuser (12) respectively.
3. industrial tandem type electric energy heat storage system according to claim 2, is characterized in that: the heat exchanger (4) often overlapped in electric energy heat storage system unit module (2) adopts series operation, parallel running or series and parallel mixed running.
4. industrial tandem type electric energy heat storage system according to claim 1 and 2, it is characterized in that: this system is by the electric energy heat storage system unit module composition of many cover series connection, often overlap electric energy heat storage system unit module and contain a heat exchanger, by heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by heated medium stepped heating, to export high-temperature medium.
5. industrial tandem type electric energy heat storage system according to claim 1 and 2, it is characterized in that: this system is by the electric energy heat storage system unit module composition of at least two cover parallel connections, often overlap electric energy heat storage system unit module and contain a heat exchanger, industrial electric energy heat storage system is formed, to export the heated medium of low temperature large discharge by heat exchanger parallel connection.
6. industrial tandem type electric energy heat storage system according to claim 1 and 2, it is characterized in that: this system is by a set of electric energy heat storage system unit module composition, this electric energy heat storage system unit module comprises at least two heat exchangers, by above-mentioned heat exchanger by platform industrial tandem type electric energy heat storage system in series, every platform heat exchanger by medium stepped heating, for exporting high-temperature medium.
7. industrial tandem type electric energy heat storage system according to claim 1 and 2, it is characterized in that: this system is by the electric energy heat storage system unit module composition of many cover parallel connections, often overlap electric energy heat storage system unit module and contain at least two heat exchangers, above-mentioned heat exchanger parallel connection forms industrial tandem type electric energy heat storage system, to export the heated medium of low temperature large discharge.
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| CN201410564863.1A CN104566978A (en) | 2014-10-22 | 2014-10-22 | Industrial-grade cascaded electric heat storage system |
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| CN201410564863.1A CN104566978A (en) | 2014-10-22 | 2014-10-22 | Industrial-grade cascaded electric heat storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017055346A1 (en) * | 2015-09-30 | 2017-04-06 | Siemens Aktiengesellschaft | Heat exchange system with main heat exchange chamber and subsidiary heat exchange chamber and method for exchanging heat by using the heat exchange system |
| CN113418301A (en) * | 2021-06-30 | 2021-09-21 | 思安新能源股份有限公司 | Modularized heat storage device |
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| CN103673705A (en) * | 2012-08-31 | 2014-03-26 | 株式会社日立制作所 | Thermal storage system and power generation system including the same |
| CN204115230U (en) * | 2014-10-22 | 2015-01-21 | 辽宁中联能源科技有限公司 | Industrial tandem type electric energy heat storage device |
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2014
- 2014-10-22 CN CN201410564863.1A patent/CN104566978A/en active Pending
Patent Citations (5)
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| CN1453519A (en) * | 2002-04-26 | 2003-11-05 | 北京市依斯机电技术研究所 | Energy-accumulating boiler |
| WO2005093328A1 (en) * | 2004-03-03 | 2005-10-06 | Goede Gabor | Equipment group and procedure for storage of heat energy using electric current |
| CN103673705A (en) * | 2012-08-31 | 2014-03-26 | 株式会社日立制作所 | Thermal storage system and power generation system including the same |
| CN103573559A (en) * | 2013-11-22 | 2014-02-12 | 烟台卓越新能源科技有限公司 | Solid heat accumulating type secondary wind power generation device and control method thereof |
| CN204115230U (en) * | 2014-10-22 | 2015-01-21 | 辽宁中联能源科技有限公司 | Industrial tandem type electric energy heat storage device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017055346A1 (en) * | 2015-09-30 | 2017-04-06 | Siemens Aktiengesellschaft | Heat exchange system with main heat exchange chamber and subsidiary heat exchange chamber and method for exchanging heat by using the heat exchange system |
| CN108139172A (en) * | 2015-09-30 | 2018-06-08 | 西门子股份公司 | It is used to exchange the method for heat with the heat-exchange system of secondary heat exchanger chambers and by using heat-exchange system with main heat exchanger chambers |
| US11022381B2 (en) | 2015-09-30 | 2021-06-01 | Siemens Gamesa Renewable Energy A/S | Heat exchange system with main heat exchange chamber and subsidiary heat exchange chamber and method for exchanging heat by using the heat exchange system |
| CN113418301A (en) * | 2021-06-30 | 2021-09-21 | 思安新能源股份有限公司 | Modularized heat storage device |
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Application publication date: 20150429 |