CN114543155A - Method for solving problem of wind curtailment electricity consumption by using transportable phase change heat reservoir - Google Patents
Method for solving problem of wind curtailment electricity consumption by using transportable phase change heat reservoir Download PDFInfo
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- CN114543155A CN114543155A CN202210205150.0A CN202210205150A CN114543155A CN 114543155 A CN114543155 A CN 114543155A CN 202210205150 A CN202210205150 A CN 202210205150A CN 114543155 A CN114543155 A CN 114543155A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005611 electricity Effects 0.000 title description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000005338 heat storage Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 87
- 239000011232 storage material Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 239000008399 tap water Substances 0.000 claims description 4
- 239000008236 heating water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/15—Wind energy
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a method for solving the problem of abandoned wind power consumption by utilizing a transportable phase change heat reservoir, which belongs to the technical field of wind power and comprises the following steps: surplus wind power is utilized to heat the phase change heat reservoir, and electric energy is converted into heat energy; transporting the phase change heat reservoir to a heating area; the phase change heat reservoir is installed into a heating system of a heating area. The method takes the phase-change heat reservoir as a carrier to convert electric energy into heat energy for use through transportation, is quick, simple and low in price, and is simple, cheap and quick compared with modes of pumped storage, compressed air storage and the like; when the user side uses heat, the household pipeline is directly connected with the phase change heat reservoir to obtain heat, and compared with heat supply modes such as solar energy, a heat pump and the like, the household heat storage system is simple in operation and maintenance and low in cost; the problems that the rural distributed heating cannot perform centralized treatment on discharged wastes, pollute the environment and the like are solved; the boiler is not needed to be independently burned by rural users, and the labor force is liberated.
Description
Technical Field
The invention relates to the technical field of wind power, in particular to a method for solving the problem of abandoned wind power consumption by utilizing a transportable phase change heat reservoir.
Background
With the rapid development of wind power, the problem of wind abandon starts to appear since 2010, large-scale wind abandon is normalized at present, and the problem of wind abandon consumption becomes a bottleneck restricting the development and utilization of wind power in China. The main manifestations are in two aspects: 1. the air abandonment quantity is large; 2. the abandoned wind is mostly generated in the winter heating period. The main reasons for abandoning wind are that wind power is difficult to send out, the peak regulation capability of the system is insufficient, and the thermal power is mainly used in the heating period in winter. The current wind curtailment and absorption schemes are mainly divided into two types; aiming at the difficulty of wind power delivery: by improving the delivery capacity of the system, the power generation load of the system is improved, and the space for the system to accept wind power is increased; aiming at the insufficient peak regulation capacity of the system: through the wind energy storage scheme such as pumped storage, electrochemical energy storage, flywheel energy storage, compressed air energy storage, hydrogen production energy storage, wind power heat supply and other modes, the peak regulation capacity of the system is improved, and the minimum output of the system is reduced, so that the wind power receiving space of the system is enlarged. At present, research on wind energy storage mainly aims at the requirement of 'peak clipping and valley filling' of a power grid, and the problem of unbalanced wind power is solved in a focusing mode, namely, part of wind energy is converted into mechanical energy to be stored when the wind power is high and the electricity demand is low, and the mechanical energy is released to obtain electric energy when the wind power is low and the electricity demand is high, so that the output of a wind turbine generator is balanced, and the problem of unbalanced power transmission capacity of the power grid is solved.
Among various wind energy storage technologies corresponding to the above requirements, pumped storage starts earlier and the technology is relatively mature, and a considerable number of pumped storage power stations exist at present, but are limited by water source conditions and do not have large-scale application conditions. Electrochemical cell technology is limited by energy storage density and cost, and waste cells cause pollution and damage, and are still in the experimental exploration stage at present. Physical energy storage, such as flywheel energy storage and compressed air energy storage, is limited by site and efficiency and has limited capacity. The hydrogen production energy storage is difficult to popularize due to the high initial investment and operation cost, low safety performance and poor economic benefit of the electrolytic cell. The development of wind power valley heat supply plays an important role in promoting wind power consumption and relieving the difficulty in wind power operation in winter, and the Chinese develops wind power heat supply test points. At present, a wind power plant is provided with an electric heating boiler system, a heat storage system and a conveying pipeline. Generally, the power plant is far away from urban areas, the early investment of the scheme is large, the capital recovery period is long, the time consumption is long, and the scheme is inconvenient.
Disclosure of Invention
The invention aims to provide a method for solving the problem of abandoned wind power consumption by using a transportable phase-change heat reservoir, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for solving the problem of abandoned wind power consumption by utilizing a transportable phase change heat reservoir comprises the following steps:
heating the phase change heat reservoir by utilizing surplus wind power to convert electric energy into heat energy;
transporting the phase change heat reservoir to a heating area;
the phase change heat reservoir is installed in a heating system of a heating area.
As a further technical scheme of the invention, the phase change heat storage material is arranged in the phase change heat reservoir.
As a further aspect of the present invention, the heating system includes:
the water inlet piece is used for supplying water to the phase change heat reservoir;
the water outlet piece is used for leading out hot water of the phase change heat reservoir;
and the circulating piece is used for guiding out and heating cold water of the phase change heat reservoir and sending the heated water back to the phase change heat reservoir.
As a still further aspect of the present invention, the water inlet member includes:
one end of the water replenishing water tank is connected with the phase change heat reservoir, and the other end of the water replenishing water tank is connected with a tap water pipe;
and the ball float valve is arranged in the water replenishing water tank.
As a still further aspect of the present invention, the water discharging member includes:
one end of the domestic hot water pipe is connected with the phase change heat reservoir.
As still another aspect of the present invention, the circulating member includes:
a circulating water pipe, both ends of which are connected with the phase change heat reservoir;
the solar photo-thermal heat collection device is arranged on the circulating water pipe and is used for heating water in the circulating water pipe;
a water drain valve arranged on the circulating water pipe and used for discharging the water sent into the solar photo-thermal heat collecting device out of the circulating water pipe
As a still further technical solution of the present invention, the heating system further includes:
and one end of the overflow pipe is connected with the phase change heat reservoir and is used for discharging redundant water in the phase change heat reservoir.
Compared with the prior art, the invention has the beneficial effects that:
1. the phase-change heat reservoir is used as a carrier to convert electric energy into heat energy for use through transportation, so that the method is quick, simple and low in price;
2. compared with modes of pumped storage, compressed air storage and the like, the method is simple, cheap and quick;
3. when the user side uses heat, the household pipeline is directly connected with the phase change heat reservoir to obtain heat, and compared with heat supply modes such as solar energy, a heat pump and the like, the household heat storage system is simple in operation and maintenance and low in cost;
4. the problems that the rural distributed heating cannot perform centralized treatment on discharged wastes, pollute the environment and the like are solved;
5. the boiler is not needed to be independently burned by rural users, and the labor force is liberated.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a schematic structural view of a heating system according to the present invention.
In the figure: 1-surplus wind power, 2-phase change heat reservoir, 3-heat supply area, 4-overflow pipe, 5-water replenishing water tank, 6-tap water pipe, 7-ball float valve, 8-domestic hot water pipe, 9-phase change heat storage material, 10-water drain valve and 11-solar photo-thermal heat collection device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the invention is realized by a method for solving the problem of wind curtailment power consumption by using a transportable phase change heat reservoir as shown in fig. 1, which comprises the following steps:
the surplus wind power 1 is used for heating the phase change heat reservoir 2, and electric energy is converted into heat energy;
transporting the phase change heat reservoir 2 to a heating area 3;
the phase change heat reservoir 2 is installed into the heating system of the heating area 3.
In practical application, the phase-change heat storage material 9 is installed in the phase-change heat reservoir 2, namely surplus wind power 1 is stored in a heat energy mode by utilizing the phase-change heat storage material 9 which is reasonable and economical, and then the purpose of heat supply is achieved by utilizing the phase-change process to release heat; referring to fig. 1, firstly, a power interface is used to charge in a wind power plant, so as to heat the phase change heat storage material 9 in the phase change heat reservoir 2, so that the phase change heat storage material is changed from a solid state to a liquid state, and electric energy is converted into heat energy; then the phase change heat reservoir 2 is put on a transport vehicle to be transported to a user end of a heat supply area 3, and after the phase change heat reservoir 2 is transported to the user, the phase change heat reservoir 2 is installed in a heat supply system; in the heat collection process, cold water is introduced into the phase change heat storage device 2, contacts with the phase change heat storage material 9 and is heated, at the moment, the phase change heat storage material 9 is converted from a liquid state into a fixed state, and then hot water flows out to a user for heating.
As shown in fig. 2, as a preferred embodiment of the present invention, the heating system includes:
water inlet member for supplying water to the phase change heat reservoir 2, the water inlet member includes:
one end of the water replenishing water tank 5 is connected with the phase change heat reservoir 2, and the other end of the water replenishing water tank is connected with a tap water pipe 6;
the ball float valve 7 is arranged in the water replenishing water tank 5;
a water outlet for leading out hot water of the phase change heat reservoir 2, the water outlet comprising:
one end of the domestic hot water pipe 8 is connected with the phase change heat reservoir 2;
the circulation piece is used for leading out the cold water of phase change heat reservoir 2 and heating and sending the water after heating back to phase change heat reservoir 2, the circulation piece includes:
two ends of the circulating water pipe are connected with the phase change heat reservoir 2;
the solar photo-thermal heat collection device 11 is arranged on the circulating water pipe and used for heating water in the circulating water pipe;
a drain valve 10 installed on the circulating water pipe for discharging water sent to the solar photo-thermal heat collecting device 11 out of the circulating water pipe;
and one end of the overflow pipe 4 is connected with the phase change heat reservoir 2 and is used for discharging redundant water in the phase change heat reservoir 2.
In a condition of this embodiment, during the heat supply, moisturizing water tank 5 is sent into to the running water of running water pipe 6, moisturizing water tank 5 sends into the running water phase change heat reservoir 2 and heats, the setting of ball-cock assembly 7 makes 5 automatic moisturizing of moisturizing water tank when the water level is lower, the water of sending into phase change heat reservoir 2 heats at phase change heat storage material 9, water after the heating supplies the user to use through life hot-water line 8, the setting of circulation piece, make partial cold water can heat through solar photothermal heat collection device 11, it is more energy-concerving and environment-protective, unnecessary cold water can be followed the last outlet valve 10 of circulating pipe, perhaps directly flow from overflow pipe 4 at top, and is safe and practical.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The method for solving the problem of abandoned wind power consumption by utilizing the transportable phase change heat reservoir is characterized by comprising the following steps of:
heating the phase change heat reservoir by utilizing surplus wind power to convert electric energy into heat energy;
transporting the phase change heat reservoir to a heating area;
the phase change heat reservoir is installed in a heating system of a heating area.
2. The method for solving the problem of wind curtailment power consumption by utilizing the transportable phase change heat reservoir as claimed in claim 1, wherein the phase change heat reservoir is internally provided with a phase change heat storage material.
3. The method for solving the problem of curtailment of wind power consumption by means of a transportable phase change heat reservoir as claimed in claim 1 or 2, wherein the heating system comprises:
the water inlet piece is used for supplying water to the phase change heat reservoir;
the water outlet piece is used for leading out hot water of the phase change heat reservoir;
and the circulating piece is used for guiding out and heating cold water of the phase change heat reservoir and sending the heated water back to the phase change heat reservoir.
4. The method for solving the problem of curtailment of wind power consumption by using a transportable phase change heat reservoir as claimed in claim 3, wherein the water inlet member comprises:
one end of the water replenishing water tank is connected with the phase change heat reservoir, and the other end of the water replenishing water tank is connected with a tap water pipe;
and the ball float valve is arranged in the water replenishing water tank.
5. The method for solving the problem of wind curtailment power consumption by using a transportable phase change heat reservoir as claimed in claim 3, wherein the water outlet member comprises:
one end of the domestic hot water pipe is connected with the phase change heat reservoir.
6. The method for solving the problem of curtailment of wind power consumption by using a transportable phase change heat reservoir as claimed in claim 3, wherein the circulation member comprises:
a circulating water pipe, both ends of which are connected with the phase change heat reservoir;
the solar photo-thermal heat collection device is arranged on the circulating water pipe and is used for heating water in the circulating water pipe;
and the water drain valve is arranged on the circulating water pipe and is used for discharging the water sent into the solar photo-thermal heat collection device out of the circulating water pipe.
7. The method for solving the problem of curtailment of wind power consumption by using a transportable phase change heat reservoir as claimed in claim 3, wherein the heating system further comprises:
and one end of the overflow pipe is connected with the phase change heat reservoir and is used for discharging redundant water in the phase change heat reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210205150.0A CN114543155A (en) | 2022-03-01 | 2022-03-01 | Method for solving problem of wind curtailment electricity consumption by using transportable phase change heat reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210205150.0A CN114543155A (en) | 2022-03-01 | 2022-03-01 | Method for solving problem of wind curtailment electricity consumption by using transportable phase change heat reservoir |
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| CN114543155A true CN114543155A (en) | 2022-05-27 |
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| CN202210205150.0A Withdrawn CN114543155A (en) | 2022-03-01 | 2022-03-01 | Method for solving problem of wind curtailment electricity consumption by using transportable phase change heat reservoir |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252416A (en) * | 2011-05-04 | 2011-11-23 | 浙江日月昇科技有限公司 | Large-scale wind power generator hot water energy storage method and special equipment |
| CN103953966A (en) * | 2014-05-16 | 2014-07-30 | 中国科学院工程热物理研究所 | High-capacity heat storage system and high-capacity heat storage method for increasing wind energy absorption |
| CN106197110A (en) * | 2013-11-17 | 2016-12-07 | 成都奥能普科技有限公司 | A kind of concrete duct thermophore and accumulation of heat car |
| CN207471650U (en) * | 2017-11-09 | 2018-06-08 | 沈阳立德迅科技有限公司 | A kind of solar energy solid regenerative apparatus |
| CN110886682A (en) * | 2019-12-17 | 2020-03-17 | 内蒙古科技大学 | Mobile energy storage heat supply system and heat supply method |
-
2022
- 2022-03-01 CN CN202210205150.0A patent/CN114543155A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252416A (en) * | 2011-05-04 | 2011-11-23 | 浙江日月昇科技有限公司 | Large-scale wind power generator hot water energy storage method and special equipment |
| CN106197110A (en) * | 2013-11-17 | 2016-12-07 | 成都奥能普科技有限公司 | A kind of concrete duct thermophore and accumulation of heat car |
| CN103953966A (en) * | 2014-05-16 | 2014-07-30 | 中国科学院工程热物理研究所 | High-capacity heat storage system and high-capacity heat storage method for increasing wind energy absorption |
| CN207471650U (en) * | 2017-11-09 | 2018-06-08 | 沈阳立德迅科技有限公司 | A kind of solar energy solid regenerative apparatus |
| CN110886682A (en) * | 2019-12-17 | 2020-03-17 | 内蒙古科技大学 | Mobile energy storage heat supply system and heat supply method |
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Application publication date: 20220527 |