CN202470194U - Centralized heat storage electric heating system - Google Patents
Centralized heat storage electric heating system Download PDFInfo
- Publication number
- CN202470194U CN202470194U CN 201220044610 CN201220044610U CN202470194U CN 202470194 U CN202470194 U CN 202470194U CN 201220044610 CN201220044610 CN 201220044610 CN 201220044610 U CN201220044610 U CN 201220044610U CN 202470194 U CN202470194 U CN 202470194U
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- heat
- heat storage
- pipeline
- fixedly connected
- heat exchanger
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- 238000005485 electric heating Methods 0.000 title claims abstract description 12
- 238000005338 heat storage Methods 0.000 title abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000009825 accumulation Methods 0.000 claims description 18
- 238000004880 explosion Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 11
- 239000012141 concentrate Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 241001212038 Arcola Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Abstract
The utility model relates to a centralized heat storage electric heating system, which belongs to the heat supply system. An electric power supply cable is electrically connected with an electric heating element, the electric heating element and a heat storage module are mutually spaced and fixed inside a heat storage electric boiler, an air inlet of a heat exchanging fan is fixedly connected with an air-water heat exchanger through a pipeline, an air outlet of the heat exchanging fan is fixedly connected with the heat storage electric boiler through a pipeline, two ends of a hot air adjusting baffle plate are respectively fixedly connected with the air-water heat exchanger and the heat storage electric boiler through a pipeline, two ends of a cold air adjusting baffle plate are respectively fixedly connected with the air-water heat exchanger and the heat storage electric boiler through a pipeline, and a heat net circulating pump forms a closed circulating passage with the air-water heat exchanger and heat consumption users. The centralized heat storage electric heating system has advantages that the structure is novel, not only is the safety potential danger of a pressure vessel avoided, but also the explosion danger of the medium leakage can be avoided, although the heat storage capacity is not as high as the saturated water phase change heat storage capacity, the centralized heat storage electric heating system is safe to run, the application range is wider, and remarkable practicability can be realized.
Description
Technical field
The utility model belongs to heating system, refers in particular to a kind of concentrated heat storing type electric heating system.
Background technology
Native system receives the promotion of government's energy-saving and emission-reduction policy, wind-powered electricity generation unit installed capacity fast development to China's three northern areas of China wind-power electricity generation aboundresources; And being located in the three northern areas of China of cold zone, the winter heating demand is huge, along with disorderly competitions in nearly 8 years of thermoelectricity installed capacity scale between the electricity power group of domestic a few family; Make the cogeneration units that increases fast receive the not enough restriction of electrical network need for electricity, it is not enough the start mode to have occurred, and running time is not enough; Situation such as the operating load rate is generally on the low side, the thermic load of heat supply unit receives the peak load regulation network obvious effect, for guaranteeing resident's heating demand; Therefore the wind-powered electricity generation unit of having gone into operation effectively operation also is restricted; Repeatedly occurred for guaranteeing that heat supply excises the wind-powered electricity generation set grid-connection by force, compelledly abandoned the landscape condition and take place frequently in the winter time, formed wind-powered electricity generation and heat supply; Wind-powered electricity generation and peak load regulation network, multiple contradictions such as cogeneration of heat and power and wind-power electricity generation.
The state of prior art is at present: 1. the heat accumulation traditional material is the heat storage can through the phase transformation of pressure saturation water; Water in the heat storage can is heated into saturation water; When needing heat to discharge saturation water is in dilatation step-down state; Deliver to the steam water heater condensation heat transfer again after the saturation water vaporization, the advantage of this kind heat accumulation mode is that working medium has phase transformation in the thermodynamic cycle, and the unit volume heat storage capacity is big; And parameter is successively decreased and metal is produced alternating stress amplitude is increased and increase along with quantity of heat storage in the heat dispose procedure, and heat storage can bears the pressure height, has certain potential safety hazard, so all certain limitation of applied field.2. adopt the heat reservoir of fused salt as heat-storage medium, temperature of molten salt be lower than 142 ℃ just become solid-state, its sensible heat utilize amplitude also big not as good as solid-state heat accumulating, fused salt has certain corrosiveness to metal, the heat transmission equipment life-span is influenced by corrosion and reduces; In addition, high-temperature molten salt runs into heat-exchanging tube bundle and sews and can make sharply vaporization and produce blast of water, and there is risk in its safety in operation guarantee.Its equipment involves great expense because of requirement for anticorrosion.
Summary of the invention
The utility model provides a kind of concentrated heat storing type electric heating system, to solve that occur and problem user side contradiction in the wind-power electricity generation application process.
The technical scheme of the utility model is: the supply of electric power cable is electrically connected with heating; Heating, heat accumulation module space are fixed in the heat storing type electric boiler; The heat exchange air inlet is fixedly connected with the geomantic omen heat exchanger through pipeline; The heat exchange fan outlet is fixedly connected with the heat storing type electric boiler through pipeline; Hot blast controllable register two ends are fixedly connected with geomantic omen heat exchanger, heat storing type electric boiler through pipeline respectively, and cold wind controllable register two ends are fixedly connected with geomantic omen heat exchanger, heat storing type electric boiler through pipeline respectively, and pumps for hot water supply net constitutes the closed circulation path through pipeline and geomantic omen heat exchanger, hot user; Vent passages, heating element heater space are distributed in the heat accumulation module.
The advantage of the utility model is: novel structure; The potential safety hazard of both not had pressure vessel; Also do not have working medium and sew the risk of blast, though its heat storage capacity is high not as good as the saturation water phase-change thermal storage, it is more extensive that its safe operation can adapt to the place; Solid-state sensible heat heat storage capacity has very considerable practicality under can be up to 700 ~ 800 ℃ of safe operation situation.
1, can use the heating of low ebb electric load to greatest extent; Utilize the heat accumulation function to continue to provide heat demand in the spike peace peak period; Concentrate the heat storing type electric boiler to instruct start and stop to move according to dispatching of power netwoks; Can concentrate and assist the flat peak load of dispatching of power netwoks, help power network safety operation and wind-powered electricity generation receives.2, can on original heating system, transform, original central heating arcola was replaced into heat storage type central heating electric heating system, construct that relatively distributing is easy, and not need any transformation can realize substituting for hot user heating system; 3, can realize the control of supply water temperature automatic constant-temperature, set the heat supply running curve according to outdoor temperature; 4, adopt solid-state heat accumulating, utilize hot blast, evaded the potential safety hazard that pressure vessel can cause as heat transfer medium; Adopt the geomantic omen heat exchanger between hot blast and the heat supply network recirculated water, bear the heat supply network circulating water pressure in the tube bank, the heater shell side bears hot-blast pressure; Be in pressure-fired; System can be arranged in the building basement, places such as boiler room, system's design safety; 5, wind heat-exchange system and heat supply network circulation constitute circulation separately, get back to fans entrance after the hot blast heat exchange, and the heat exchange of entering thermal storage device is heated and delivered to geomantic omen heat exchanger heat exchange again, removes outside the system surfaces radiation loss, and its heat is recycled, and system thermal efficiency is high.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the utility model heat accumulation module.
The specific embodiment
Supply of electric power cable 7 is electrically connected with heating 5; Heating 5, heat accumulation module 6 spaces are fixed in the heat storing type electric boiler 1; Heat exchange blower fan 3 air inlets are fixedly connected with geomantic omen heat exchanger 2 through pipeline; Heat exchange blower fan 3 air outlets are fixedly connected with heat storing type electric boiler 1 through pipeline; Hot blast controllable register 8 two ends are fixedly connected with geomantic omen heat exchanger 2, heat storing type electric boiler 1 through pipeline respectively, and cold wind controllable register 9 two ends are fixedly connected with geomantic omen heat exchanger 2, heat storing type electric boiler 1 through pipeline respectively, and pumps for hot water supply net 4 constitutes the closed circulation path through pipeline and geomantic omen heat exchanger 2, hot user 10; Vent passages 601, heating element heater 602 spaces are distributed in the heat accumulation module 6.
Concentrate the heat storing type electric heating system to constitute and constitute heating system hot user 5 by equipment such as heat storing type electric boiler 1, geomantic omen heat exchanger 2, heat exchange blower fan 3, pumps for hot water supply net 4 and heat, cold wind controllable register 8,9 and cold and hot airduct road and the confession of heat supply network recirculated water, water return pipeline.
Give electrical heating elements by feed cable with supply of electric power; Electrical heating elements converts electric energy to heat energy; The heat accumulation module is heated, and heat accumulation is the module that adopts solid high power capacity material to make, and this heat accumulation module has good heat storage and exchange performance; Can tolerate the highest 700 ℃ of high temperature, and have 20 times of heat storage capacity to light water; The heat exchange blower fan is delivered to the heat storing type electric boiler with cold wind; Absorb heat during through the heat accumulation module cold wind is heated into hot blast; Control gets into the hot blast rate of geomantic omen heat exchanger through the hot blast controllable register; Get into geomantic omen calorifier inlets wind-warm syndrome through the control of cold wind controllable register simultaneously, realized adjusting control heat accumulation boiler heat-obtaining; Circulation pump of heat-supply network is sent hot user heating backwater into the geomantic omen heat exchanger, absorbs the hot blast heat through the tube bank in the heat exchanger of geomantic omen, backwater is heated to supply water temperature gives hot user, constitutes the heating hot water circulation; The cold wind that heat exchanger is discharged from the geomantic omen returns the air inlet of heat exchange blower fan through return air duct, constitutes the gas-circulating system of cold and hot wind; All equipment and pipe-line system are improved insulation according to national regulation insulation standard, make great efforts to reduce radiation loss.
According to hot user's heat exchange demand the heat accumulation boiler is carried out Capacity design; The heat accumulation module is to carry out Capacity design according to the electric network peak low ebb time; Segment length during spike peace peak need be just many at the heat that low-valley interval stores, and the heat accumulation module just needs arrange more; The electrical heating capacity also needs to increase, so that discharge use in enough other periods of the heat of low-valley interval storage.
Claims (1)
1. concentrated heat storing type electric heating system; It is characterized in that: the supply of electric power cable is electrically connected with heating; Heating, heat accumulation module space are fixed in the heat storing type electric boiler; The heat exchange air inlet is fixedly connected with the geomantic omen heat exchanger through pipeline, and the heat exchange fan outlet is fixedly connected with the heat storing type electric boiler through pipeline, and hot blast controllable register two ends are fixedly connected with geomantic omen heat exchanger, heat storing type electric boiler through pipeline respectively; Cold wind controllable register two ends are fixedly connected with geomantic omen heat exchanger, heat storing type electric boiler through pipeline respectively, and pumps for hot water supply net constitutes the closed circulation path through pipeline and geomantic omen heat exchanger, hot user; Vent passages, heating element heater space are distributed in the heat accumulation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220044610 CN202470194U (en) | 2012-02-13 | 2012-02-13 | Centralized heat storage electric heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220044610 CN202470194U (en) | 2012-02-13 | 2012-02-13 | Centralized heat storage electric heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202470194U true CN202470194U (en) | 2012-10-03 |
Family
ID=46918349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220044610 Expired - Lifetime CN202470194U (en) | 2012-02-13 | 2012-02-13 | Centralized heat storage electric heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202470194U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075364A (en) * | 2014-06-16 | 2014-10-01 | 沈阳工业大学 | Air and coal combined heating device |
| CN104815837A (en) * | 2015-05-21 | 2015-08-05 | 大连爱特流体控制有限公司 | Ecological new countryside energy and environment integrated device |
| CN106152850A (en) * | 2016-08-29 | 2016-11-23 | 镇江市三维电加热器有限公司 | Molten salt energy-storage, heat exchange and intelligence control system |
| CN104390256B (en) * | 2014-10-20 | 2017-06-13 | 同济大学 | A kind of phase-transition heat-storage heating installation |
| CN108266790A (en) * | 2016-12-30 | 2018-07-10 | 百吉瑞（天津）新能源有限公司 | A kind of electrical heating fused salt storing energy and supplying hot device |
| CN112112693A (en) * | 2020-10-19 | 2020-12-22 | 中国科学院理化技术研究所 | Liquid air energy storage system adopting electric heat storage |
| CN113465018A (en) * | 2021-06-25 | 2021-10-01 | 河北建筑工程学院 | Real-time control system and method for ensuring heat supply of solid heat storage and supply system |
| CN114033508A (en) * | 2021-10-27 | 2022-02-11 | 北京清云智慧科技发展有限公司 | Energy storage type cogeneration system and control method |
-
2012
- 2012-02-13 CN CN 201220044610 patent/CN202470194U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075364A (en) * | 2014-06-16 | 2014-10-01 | 沈阳工业大学 | Air and coal combined heating device |
| CN104075364B (en) * | 2014-06-16 | 2016-09-28 | 沈阳工业大学 | Wind coal united heat device |
| CN104390256B (en) * | 2014-10-20 | 2017-06-13 | 同济大学 | A kind of phase-transition heat-storage heating installation |
| CN104815837A (en) * | 2015-05-21 | 2015-08-05 | 大连爱特流体控制有限公司 | Ecological new countryside energy and environment integrated device |
| CN106152850A (en) * | 2016-08-29 | 2016-11-23 | 镇江市三维电加热器有限公司 | Molten salt energy-storage, heat exchange and intelligence control system |
| CN108266790A (en) * | 2016-12-30 | 2018-07-10 | 百吉瑞（天津）新能源有限公司 | A kind of electrical heating fused salt storing energy and supplying hot device |
| CN112112693A (en) * | 2020-10-19 | 2020-12-22 | 中国科学院理化技术研究所 | Liquid air energy storage system adopting electric heat storage |
| CN113465018A (en) * | 2021-06-25 | 2021-10-01 | 河北建筑工程学院 | Real-time control system and method for ensuring heat supply of solid heat storage and supply system |
| CN114033508A (en) * | 2021-10-27 | 2022-02-11 | 北京清云智慧科技发展有限公司 | Energy storage type cogeneration system and control method |
| CN114033508B (en) * | 2021-10-27 | 2023-12-08 | 北京清云智慧科技发展有限公司 | Energy storage type cogeneration system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |