CN106017182A - Electric-heating energy storage device with voltage level ranging from 220 kV to 500 kV - Google Patents
Electric-heating energy storage device with voltage level ranging from 220 kV to 500 kV Download PDFInfo
- Publication number
- CN106017182A CN106017182A CN201610552500.5A CN201610552500A CN106017182A CN 106017182 A CN106017182 A CN 106017182A CN 201610552500 A CN201610552500 A CN 201610552500A CN 106017182 A CN106017182 A CN 106017182A
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- China
- Prior art keywords
- heat
- insulation
- pipe
- sleeve
- power supply
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0004—Particular heat storage apparatus
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
An electric-heating energy storage device with the voltage level ranging from 220 kV to 500 kV comprises an isolation switch connected with a power supply with the voltage level ranging from 220 kV to 500 kV, an electric energy metering device, a load switch, an isolation transformer, a secondary side switch, a heat-preservation-layer-penetrating insulating sleeve, a heat preservation layer, a heat storage body, a support insulator and a heat exchange system. The electric-heating energy storage device is technically characterized in that suspended-state power supply is adopted for the power supply with the voltage level ranging from 220 kV to 500 kV after the power supply passes through the isolation transformer; and the heat-preservation-layer-penetrating insulating sleeve is arranged on the portion, passing through the joint of the switch and the heat storage body, of the suspended-state power supply, the insulating sleeve can bear the temperature difference of 800 DEG C and can stably work, and the beneficial effects of reasonable design, safety and reliability are achieved.
Description
Technical field
The present invention relates to the electric thermal storage equipment of 10MW to 400MW heat accumulation power, particularly to a kind of 220kV to 500kV electric pressure electric heating energy-storage device.
Background technology
Existing high-voltage energy storage heater, its principle is that the electric energy of idle for electrical network at night trough-electricity, wind-power electricity generation or solar electrical energy generation is converted into thermal energy storage, switch is passed through according to different demands, the heat energy of storage is converted into hot water, hot blast, steam or generating is fed to electrical network in the peak of power consumption period, realize high-power power to store, solve the global problem that electric energy is difficult to store.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of 220kV to 500kV electric pressure electric heating energy-storage device, its simple in construction, reasonable in design, be easily installed and realize.
The technical solution adopted in the present invention is, a kind of 220kV to 500kV electric pressure electric heating energy-storage device, use the isolating transformer powered of suspended state including secondary side neutral point and high temperature resistant wear heat-insulation layer insulating sleeve structure, it is characterized in that: isolating transformer secondary side isolated neutral, suspend or directly and heating wire connects and composes current supply circuit with insulated cable, secondary side power supply lead wire uses three-phase three-wire system or three-phase four-wire system, connects through switch and wears the heat storage heating that heat-insulation layer insulated sleeve exports in heat-insulation layer；Wearing heat-insulation layer insulated sleeve and include that outside waterproof insulation sleeve pipe, high-temperature insulation pipe, conductive electrode, all pressure components are constituted, wearing heat-insulation layer insulated sleeve is the coaxial combination body with conductive electrode as axle center；High-temperature insulation Guan Youneng bears being placed in waterproof insulation sleeve pipe of secondary side mains isolation voltage strength, the quartz glass tube being sleeved on conductive electrode or micanite pipe composition.
Present invention additionally comprises: when described high-temperature insulation length of tube is shorter than conductive electrode length, use many high-temperature insulation pipe phase downlink connection and cover electrode length, it is connected into multiple structure again with the high-temperature insulation pipe box of different-diameter, and two adjacent independent high-temperature insulation pipe junctions are positioned at 1/2nd of second layer high-temperature insulation length of tube in ground floor insulated sleeve, repeat to arrange above-mentioned high-temperature insulation pipe outside second layer insulated sleeve, until the creep age distance of high-temperature insulation pipe reaches requirement.
A kind of improvement as the insulation system of the present invention, suspended state is used to power and high temperature resistant heat-insulation layer insulating sleeve structure of wearing including isolating transformer secondary side neutral point: to be first isolating transformer secondary side isolated neutral, suspending or directly and heating wire connects and composes current supply circuit with insulated cable, secondary side power supply lead wire uses three-phase three-wire system or three-phase four-wire system to wear heat-insulation layer insulated sleeve through switch connection；Wear heat-insulation layer insulated sleeve and include that outside waterproof insulation sleeve pipe, high-temperature insulation pipe, conductive electrode, all pressure components are constituted；Wearing heat-insulation layer insulated sleeve is the coaxial combination body with conductive electrode as axle center；High-temperature insulation Guan Youneng bears secondary side mains isolation voltage strength, is placed in waterproof insulation sleeve pipe, and the quartz glass tube, the micanite pipe that are enclosed within conductive electrode form；Use many pipes to be connected to electrode length when high-temperature insulation length of tube is shorter than conductive electrode length, it is connected into multiple structure again with the high-temperature insulation pipe box of different-diameter, and two adjacent independent high-temperature insulation pipe junctions are positioned at the half of second layer high-temperature insulation length of tube in ground floor insulated sleeve, repeat to arrange above-mentioned high-temperature insulation pipe outside second layer insulated sleeve, until the creep age distance of high-temperature insulation pipe reaches requirement.
The invention has the beneficial effects as follows, the electric heating energy-storage devices such as this 220kV to 500kV voltage, including including connecting the disconnecting switch of 220kV to 500kV electric pressure power supply, electric power meter, on-load switch, isolating transformer, secondary side switches, wearing heat-insulation layer insulated sleeve, heat-insulation layer, heat storage, bearing insulation body and heat-exchange system, it is characterized in that, 220kV to 500kV electric pressure power supply uses suspended state to power after isolating transformer, power circuit does not constitute loop with ground, improves the safety in utilization of equipment；Suspended state power supply is provided with the insulated sleeve wearing heat-insulation layer through switch and the junction of heat storage, insulated sleeve be resistant to 800 degrees Celsius the temperature difference and and can be stable work, there is reasonable in design, safe and reliable advantage.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of 220kV to 500kV electric pressure electric heating energy-storage device of the present invention；
Fig. 2 is the partial enlarged drawing of high-temperature insulation pipe single layer structure of the present invention；
Fig. 3 is the partial enlarged drawing of high-temperature insulation pipe multiple structure of the present invention；
Fig. 4 is that the A-A in Fig. 3 of the present invention is to section view enlarged diagram；
Fig. 5 is three-phase four-wire power supply schematic diagram in the present invention；
Fig. 6 is three-phase three-wire system power supply the principle figure in the present invention.
In figure, sequence number is described as follows: 1 heat storage, 2 bearing insulation bodies, 3 heat-insulation layers, waterproof insulation sleeve pipe outside 4,5 conductive electrodes, 6 monolayer high-temp.-resisting insulation sleeves, 7 grading rings through walls, 8 multilamellar high-temp.-resisting insulation sleeves, 9 Circuit Fault on Secondary Transformer neutral points, 10 introduce power supply, 11 disconnecting switch, 12 earthed switches, 13 electric power meters, 14 on-load switches, 15 isolating transformers, 16 secondary power supply inlet wires, 17 secondary side switches, 18 star heating wire groups, 19 secondary power supply distributions, 20 dihedral heating wire groups.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1～6 and detailed description of the invention the present invention is elaborated, below describe be only used as demonstration and explain, the present invention is not made any pro forma restriction.
Embodiment
1:
Shown in Fig. 1,2,5,220kV to 500kV electric pressure electric heating energy-storage device in the present embodiment, including introducing power supply 10, disconnecting switch 11, earthed switch 12, electric power meter 13, on-load switch 14, isolating transformer 15, secondary power supply inlet wire 16, secondary side switches 17 be all located at the outside of heat-insulation layer 3, and be connected to by secondary power supply distribution 19 on the conductive electrode 5 of waterproof insulation sleeve pipe 4 termination.Conductive electrode 5 overlaps monolayer high-temp.-resisting insulation sleeve 6, the star heating wire group 18 in power on heat storage 1 is completed heat-accumulating process.Circuit Fault on Secondary Transformer neutral point 9 high voltage insulation cable is connected with the neutral point of star heating wire group 18.Grading ring 7 through walls is located at heat-insulation layer 3 and installs equiblibrium mass distribution electric field in the cavity wearing heat-insulation layer insulated sleeve.
Embodiment
2:
Shown in Fig. 1,3,4,6,220kV to 500kV electric pressure electric heating energy-storage device in the present embodiment, including introducing power supply 10, disconnecting switch 11, earthed switch 12, electric power meter 13, on-load switch 14, isolating transformer 15, secondary power supply inlet wire 16, secondary side switches 17 be all located at the outside of heat-insulation layer 3, and be connected to by secondary power supply distribution 19 on the conductive electrode 5 of waterproof insulation sleeve pipe 4 termination.Conductive electrode 5 overlaps multilamellar high-temp.-resisting insulation sleeve 8, the dihedral heating wire group 20 in power on heat storage 1 is completed heat-accumulating process.Circuit Fault on Secondary Transformer neutral point 9 not wiring.Grading ring 7 through walls is located at heat-insulation layer 3 and installs equiblibrium mass distribution electric field in the cavity wearing heat-insulation layer insulated sleeve.
With 220kV to the 500kV electric pressure electric heating energy-storage stove of the monolayer high-temp.-resisting insulation sleeve 6 shown in Fig. 2, its insulation system is made up of monolayer high-temp.-resisting insulation sleeve, and its length is isometric with conductive electrode.
As follows with multilamellar high-temp.-resisting insulation sleeve 6 concrete structure shown in Fig. 3: to be cased with ground floor insulated sleeve on the end conductive electrode 5 of power supply wiring 19, ground floor is socketed on power supply lead wire 5 by many isometrical high-temp.-resisting insulation sleeves 8；Outer wall at ground floor high-temp.-resisting insulation sleeve 8 is socketed second layer high-temp.-resisting insulation sleeve 8 again, second layer high-temp.-resisting insulation sleeve 8 is identical with ground floor high-temp.-resisting insulation sleeve 8 structure, and the junction of two adjacent high-temp.-resisting insulation sleeves 8 in ground floor high-temp.-resisting insulation sleeve 8, it is positioned at 1/2nd of second layer high-temp.-resisting insulation sleeve 8 length, repeats the structure of above-mentioned second layer insulated sleeve until the total length of insulating sleeve structure is equal to creep age distance.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to example, it will be understood by those within the art that, technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (2)
1. 220kV to a 500kV electric pressure electric heating energy-storage device, use the isolating transformer powered of suspended state including secondary side neutral point and high temperature resistant wear heat-insulation layer insulating sleeve structure, it is characterized in that: isolating transformer secondary side isolated neutral, suspend or directly and heating wire connects and composes current supply circuit with insulated cable, secondary side power supply lead wire uses three-phase three-wire system or three-phase four-wire system, connects through switch and wears the heat storage heating that heat-insulation layer insulated sleeve exports in heat-insulation layer；Wearing heat-insulation layer insulated sleeve and include that outside waterproof insulation sleeve pipe, high-temperature insulation pipe, conductive electrode, all pressure components are constituted, wearing heat-insulation layer insulated sleeve is the coaxial combination body with conductive electrode as axle center；High-temperature insulation Guan Youneng bears being placed in waterproof insulation sleeve pipe of secondary side mains isolation voltage strength, the quartz glass tube being sleeved on conductive electrode or micanite pipe composition.
Electric heating energy-storage device the most according to claim 1, it is characterized in that: when described high-temperature insulation length of tube is shorter than conductive electrode length, use many high-temperature insulation pipe phase downlink connection and cover electrode length, it is connected into multiple structure again with the high-temperature insulation pipe box of different-diameter, and two adjacent independent high-temperature insulation pipe junctions are positioned at 1/2nd of second layer high-temperature insulation length of tube in ground floor insulated sleeve, repeat to arrange above-mentioned high-temperature insulation pipe outside second layer insulated sleeve, until the creep age distance of high-temperature insulation pipe reaches requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552500.5A CN106017182B (en) | 2016-07-14 | 2016-07-14 | A kind of 220kV is to 500kV voltage class electric heating energy-storage devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552500.5A CN106017182B (en) | 2016-07-14 | 2016-07-14 | A kind of 220kV is to 500kV voltage class electric heating energy-storage devices |
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| Publication Number | Publication Date |
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| CN106017182A true CN106017182A (en) | 2016-10-12 |
| CN106017182B CN106017182B (en) | 2017-11-14 |
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| CN201610552500.5A Active CN106017182B (en) | 2016-07-14 | 2016-07-14 | A kind of 220kV is to 500kV voltage class electric heating energy-storage devices |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992481A (en) * | 2017-04-25 | 2017-07-28 | 朱建新 | 66kV to 500kV voltage class wall bushing |
| CN107294025A (en) * | 2017-07-11 | 2017-10-24 | 沈阳世杰电器有限公司 | High pressure vacuum insulation wall bushing |
| CN109524881A (en) * | 2018-12-17 | 2019-03-26 | 国家电网有限公司 | Electric system station insulating wall |
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| CN202696921U (en) * | 2012-07-18 | 2013-01-23 | 朱建新 | High-pressure electric heating energy storage device |
| CN103840477A (en) * | 2014-01-03 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Electrified railway traction power supply and energy storage device and method thereof |
| CN203933014U (en) * | 2014-07-04 | 2014-11-05 | 山东金洲矿业集团有限公司 | A kind of micro metal mine electric power supply system |
| CN104410061A (en) * | 2014-03-21 | 2015-03-11 | 南车株洲电力机车研究所有限公司 | Cascade double-star-type DC powering and electric energy quality improving system for traction power supply |
| CN204947341U (en) * | 2015-08-24 | 2016-01-06 | 国家电网公司 | Distribution becomes platform intelligent distribution box |
| CN205808201U (en) * | 2016-07-14 | 2016-12-14 | 朱建新 | A kind of 220kV to 500kV electric pressure electric heating energy-storage device |
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2016
- 2016-07-14 CN CN201610552500.5A patent/CN106017182B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120160124A1 (en) * | 2009-05-01 | 2012-06-28 | Norfolk Southern Corporation | Battery-powered all-electric locomotive and related locomotive and train configurations |
| CN202696921U (en) * | 2012-07-18 | 2013-01-23 | 朱建新 | High-pressure electric heating energy storage device |
| CN103840477A (en) * | 2014-01-03 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Electrified railway traction power supply and energy storage device and method thereof |
| CN104410061A (en) * | 2014-03-21 | 2015-03-11 | 南车株洲电力机车研究所有限公司 | Cascade double-star-type DC powering and electric energy quality improving system for traction power supply |
| CN203933014U (en) * | 2014-07-04 | 2014-11-05 | 山东金洲矿业集团有限公司 | A kind of micro metal mine electric power supply system |
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| CN205808201U (en) * | 2016-07-14 | 2016-12-14 | 朱建新 | A kind of 220kV to 500kV electric pressure electric heating energy-storage device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992481A (en) * | 2017-04-25 | 2017-07-28 | 朱建新 | 66kV to 500kV voltage class wall bushing |
| CN107294025A (en) * | 2017-07-11 | 2017-10-24 | 沈阳世杰电器有限公司 | High pressure vacuum insulation wall bushing |
| CN109524881A (en) * | 2018-12-17 | 2019-03-26 | 国家电网有限公司 | Electric system station insulating wall |
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| Publication number | Publication date |
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| CN106017182B (en) | 2017-11-14 |
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Effective date of registration: 20181224 Address after: 110169 No. 15-5 Hunnan East Road, Hunnan New District, Shenyang City, Liaoning Province (Shijie Electrical Appliances) Patentee after: Shenyang Signjammer Ltd. Address before: 110169 No. 15-5 East Road, Hunnan New District, Shenyang City, Liaoning Province Patentee before: Zhu Jianxin |
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| TR01 | Transfer of patent right |