CN213543319U - Capacity-expansion energy storage system based on traditional energy station - Google Patents
Capacity-expansion energy storage system based on traditional energy station Download PDFInfo
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- CN213543319U CN213543319U CN202022606608.2U CN202022606608U CN213543319U CN 213543319 U CN213543319 U CN 213543319U CN 202022606608 U CN202022606608 U CN 202022606608U CN 213543319 U CN213543319 U CN 213543319U
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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
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- 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
Abstract
The utility model discloses a dilatation energy storage system based on traditional energy station belongs to the energy storage technology field, and first productivity equipment and first energy storage equipment are located the energy storage factory, and first productivity equipment is the energy storage of first energy storage equipment, and first energy storage equipment all supply energy for the user through water supply return pipe network; the second energy producing device is located in a geographical location environment suitable for locating the heat/cold producing device; the second energy storage device is arranged close to the second energy production equipment, meanwhile, the second energy storage device is arranged close to at least one user, and the second energy storage device and the second energy production equipment supply energy to the user through a water supply and return pipe network. The utility model discloses can utilize other environment that are suitable for to set up cold production or heat production equipment, when only selecting the environment that is suitable for to set up cold production equipment, can also utilize the fire-fighting pond to come the cold-storage, avoid natural resource environment or current wasting of resources, this resource of make full use of.
Description
Technical Field
The utility model belongs to the technical field of the energy storage, concretely relates to dilatation energy storage system based on traditional energy station.
Background
Nowadays, in order to realize peak clipping and valley filling of electricity utilization, more and more energy storage modes are adopted, the purpose is to produce energy and store the energy in the low valley period of the electricity utilization, and then the energy can be produced again in the peak period of the electricity utilization, and only an energy storage device needs to be utilized in an energy supply system, so that the peak clipping and valley filling of the electricity utilization are realized.
For example, the water energy storage technology is used as an energy storage technology by utilizing physical sensible heat of water, when the electricity price is low at night, cold and heat are stored in a water tank by utilizing a ground source heat pump unit, and the stored cold/hot water is used for an air conditioning system during the peak period of electricity utilization in daytime, so that the effect of peak clipping and valley filling can be achieved during the peak period of electricity utilization, and the purpose of saving the electricity fee is achieved.
However, at present, no matter whether cold storage or heat storage is performed, energy storage devices of concentrated energy storage plants are generally used for storing energy, but in this way, on one hand, appropriate storage capacity needs to be built according to limiting factors such as terrain, municipal conditions or land use conditions, and along with more and more users, the storage capacity limiting factors of the concentrated energy storage plants are many, and the requirements of the users may not be met.
Disclosure of Invention
The utility model aims at providing a dilatation energy storage system based on traditional energy station, solve the restriction of energy storage factory condition, the reservoir capacity of energy storage is limited, utilize current other environment that is suitable for to set up cold production or heat production equipment except that energy storage factory environment, with this kind of environment make full use of, avoid the wasting of resources, the energy production equipment that sets up under this environment is second energy production equipment, and still be equipped with a plurality of second energy storage equipment around these second energy production equipment, these second energy storage equipment's energy storage derives from a plurality of second energy production equipment, second energy storage equipment can share energy storage factory energy storage equipment's energy storage pressure simultaneously.
The technical scheme of the utility model is that: a capacity-expanding energy storage system based on a traditional energy station comprises first energy-producing equipment, a first energy storage device, second energy-producing equipment, a second energy storage device and a water supply and return pipe network.
First energy production equipment and first energy storage equipment are located the energy storage factory, first energy production equipment does first energy storage equipment energy storage, first energy storage equipment with first energy production equipment all passes through water supply return pipe network supplies energy for the user.
The second energy producing device is located in a geographical location environment suitable for locating the heat/cold producing device.
The second energy storage device is close to the second energy production equipment, and the second energy storage device is close to at least one user setting, the second energy storage device with the second energy production equipment supplies energy for the user through a water supply and return pipe network.
As a further optimization of the scheme, the water supply and return pipe network comprises a water supply pipeline and a water return pipeline, an outlet of the first energy production equipment is communicated with an inlet of the first energy storage device through the water supply pipeline, and an outlet of the first energy storage device is communicated with an inlet of the first energy production equipment through the water return pipeline;
and the communication mode of the second energy production equipment and the second energy storage device is the same as that of the first energy production equipment and the first energy storage device.
As a further optimization of the scheme, when the first energy storage device and the second energy storage device supply energy to users, the first energy production equipment and the second energy production equipment are respectively communicated with the water supply and return pipe network in a blocking mode.
As a further refinement of the solution, the first energy storage device and the second energy storage device supply energy to the user simultaneously or alternatively.
As a further optimization of the scheme, the first energy production equipment and the second energy production equipment are a cold unit, a heat pump unit or a boiler; and during cooling, the first energy production equipment and the second energy production equipment are a cold pump unit and a heat pump unit, and during heating, the first energy production equipment and the second energy production equipment are the heat pump unit or a boiler.
As a further optimization of the scheme, when the first and second capacity devices only supply cold, the second energy storage device utilizes the fire pool corresponding to each user as cold storage, and the fire pool is arranged close to the corresponding user, and the fire pool forms a closed loop circulation with the user through a water supply and return pipe network.
As a further optimization of the scheme, the second energy production equipment is multiple and distributed in different areas, and each second energy storage device close to the second energy production equipment corresponds to the second energy production equipment, or the number of the second energy storage devices is more than that of the second energy production equipment.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses outside the energy storage factory other be suitable for to set up produce cold equipment or heat production equipment under the environment, set up a plurality of second productivity equipment again, to the productivity before the energy storage or for the direct productivity of user, have except that the energy storage factory other environment also can the productivity, the productivity just can not confine in the energy storage factory, the productivity is more like this, the energy storage that can supply or the user that can supply will be more, and to these environments that are suitable for overall arrangement heat production or produce cold equipment, also be the rational allocation of resource, make full use of natural resource; the second energy storage devices are arranged around the second energy production equipment, the second energy storage devices are arranged close to the second energy production equipment and also close to a certain part of users, for the users, no matter the users can store energy or supply energy to the users, the users can select the second energy production equipment in a closer distance, if the distance between the part of users and an energy storage plant is longer, the second energy production equipment arranged in the natural environment with conditions is connected into the water supply and return pipe network, the second energy storage devices are also connected into the water supply and return pipe network, then closed loop circulation of water supply and return between the second energy storage devices and the users or between the second energy production equipment and the users can be completed, the second energy storage devices or the second energy production equipment are directly used for supplying energy, convenience and rapidness are achieved, and energy loss is small. The utility model discloses when only selecting to be suitable for the environment of setting up cold production equipment, can also utilize the fire-fighting water pond to come the cold-storage, reach the rational utilization of resource.
Drawings
Fig. 1 is a schematic view of an embodiment of the invention;
fig. 2 is a schematic diagram of a second energy production device for storing energy for a second energy storage device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a second energy storage device for supplying energy to nearby users according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a first energy production facility and/or a first energy storage device of an energy storage plant according to an embodiment of the present invention for supplying energy to a user;
fig. 5 is a schematic diagram of a fire pool corresponding to the second energy storage device selection user in the embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, an embodiment of the present invention provides a traditional energy station-based capacity-expanding energy storage system, which includes a first energy generating device, a first energy storage device, a second energy generating device, a second energy storage device, and a water supply and return pipe network;
the first energy production equipment and the first energy storage device are positioned in an energy storage plant, the first energy production equipment stores energy for the first energy storage device, and the first energy storage device and the first energy production equipment are both connected to a water supply and return pipe network and supply energy to users through the water supply and return pipe network;
the first capacity device and the second capacity device are specifically a cold pump unit, a heat pump unit or a boiler; when cooling is carried out, the first energy production equipment and the second energy production equipment are a cold pump unit and a heat pump unit, and when heating is carried out, the first energy production equipment and the second energy production equipment are the heat pump unit or a boiler; wherein the first energy-producing device and the first energy storage means have been positioned at the energy storage plant;
at this time, the second energy production facility is outside the energy storage plant and should be located in a geographical location environment suitable for locating the heat/cold production facility; the number of the second energy production equipment can be multiple;
as shown in fig. 2, the energy storage system further comprises a second energy storage device, the second energy storage device is arranged close to the second energy production equipment, the second energy storage device is arranged close to at least one user, and the second energy storage device and/or the second energy production equipment supply energy to the user through a water supply and return pipe network.
In the prior art, centralized energy storage of an energy storage plant is used, a plant building address and a plant building area of the energy storage plant need to be determined according to natural conditions, government plans and land use conditions, the limiting factors of centralized energy storage site selection are more, meanwhile, other places suitable for arranging cooling production equipment or heat production equipment are not fully utilized, and the places are close to some users, so that other energy production equipment can be arranged by using the suitable natural environment or the existing environment, wherein the other energy production equipment is specifically the second energy production equipment mentioned in the embodiment.
The present embodiment provides the second energy producing device in a geographical location environment suitable for providing the heat/cold producing device, as explained below:
firstly, when the second energy production equipment is a heat pump unit, the heat pump unit usually obtains low-grade heat energy from air, water or soil in the nature, works by electric power, and then provides high-grade heat energy which can be utilized for people, so that when the position of the heat pump unit is selected, an area with abundant geothermal resources is explored, the heat pump unit is arranged in the area, in addition, a water supply and return pipe network needs to pass through the area with abundant geothermal resources, so that the heat pump unit can conveniently select the area with abundant geothermal resources and can be communicated with the water supply and return pipe network, and water supply and return circulation is realized with users or energy storage devices.
The heat pump unit in the embodiment of the utility model preferentially adopts a ground source heat pump unit, which is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy and the like) from the land shallow energy; usually, a ground source heat pump consumes 1kwh of energy, a user can obtain heat or cold with the temperature of more than 4kwh, and the ground source heat pump is a system which takes rock and soil mass, stratum soil, underground water or surface water as a low-temperature heat source for energy conversion.
Secondly, when the second capacity equipment selects the cold water unit, the cold water unit is normally arranged in the energy storage plant in a centralized manner, so that the cold water unit needs to be arranged in a centralized manner on one piece of land, and in order to reasonably utilize the vacant lands near a plurality of users, such as parks, lawns and the like around the users, the vacant lands can be arranged in a scattered manner on the cold water unit, and the region needs to be conveniently communicated with a water supply and return pipe network.
In addition, when the boiler is selected for use by the second energy production equipment, the boiler can be arranged near a thermal power plant, a water supply and return pipe network still needs to pass through the vicinity of the thermal power plant, the thermal power plant can generate electricity and supply heat, wherein the capacity of the boiler is greater than that of a thermal power plant in the same standard, the thermal power plant needs to be more additionally provided with the boiler capacity than that of a common thermal power plant for standby, and the water treatment capacity is also large. The thermal power plant is close to a thermal load center, is often a town center of a densely populated area, has water consumption, land acquisition, removal, environmental protection requirements and the like which are greatly higher than those of the thermal power plant with the same capacity, and simultaneously builds a thermal power pipe network. Therefore, the thermal power plant and the boiler are communicated with the water supply and return pipe network, heat can be supplied to users, and resources of the thermal power plant can be reasonably utilized.
The above-mentioned equipment for heat or cold production is arranged in other sections except the energy storage plant according to specific environmental conditions, and further illustrates the conditions for site selection of the second energy production equipment mentioned in this embodiment.
In the embodiment, the water supply and return pipe network comprises a water supply pipeline and a water return pipeline, an outlet of the first energy generation equipment is communicated with an inlet of the first energy storage device through the water supply pipeline, and an outlet of the first energy storage device is communicated with an inlet of the first energy generation equipment through the water return pipeline;
the communication mode of the second energy production equipment and the second energy storage device is the same as that of the first energy production equipment and the first energy storage device.
The energy-producing equipment of the energy storage plant stores energy for the first energy storage device, so that a closed loop circulation is formed between the energy-producing equipment and the first energy storage device through a water supply and return pipe network, and a circulating loop for continuously storing energy can be completed.
When the first energy storage device and the second energy storage device supply energy to users, the first energy production equipment and the second energy production equipment are respectively communicated with the water supply and return pipe network in a blocking mode.
It should be noted that the first energy storage device and the second energy storage device can supply energy to the user at the same time or alternatively.
As shown in fig. 3, a plurality of second energy storage devices supply energy to users near the second energy storage devices, for example, a water outlet of one of the second energy storage devices is connected to a water inlet of a user a through a water supply pipeline, the user a is near the second energy storage device, an outlet of backwater of the user a is connected to the water inlet of the second energy storage device through a backwater pipeline, an arrow on a solid line in the figure indicates that water is supplied, and an arrow on a dotted line indicates that water is backwater.
With continued reference to fig. 3, there are two users in two areas, one of them is user a, the other is user C, a second energy storage device is provided near user a, a second energy storage device is also provided near user C, and these two second energy storage devices respectively store energy for user a and user C near the user a, if the second energy storage device near user C is not used or is insufficient, the second energy storage device near user a has enough energy storage, meanwhile, if user C is far from the energy storage plant than user C is far from the second energy storage device near user a, the second energy storage device near user a can also store energy for user C, therefore, the plurality of second energy storage devices of this embodiment can select which users to supply energy according to specific conditions.
As shown in fig. 4, the users are user a, user B, and user C, the first energy storage device is connected to a water supply and return pipe network, the water outlets of the first energy storage device are respectively connected to the water inlets of user a, user B, and user C by water supply circuits, and the water outlets of user a, user B, and user C are respectively connected to the water inlet of the first energy storage device by water return pipes. In the figure, the arrow on the solid line indicates supply water, and the arrow on the broken line indicates return water.
As shown in fig. 5, generally, each user in different areas also has a corresponding fire pool, and in order to reduce the cost of setting the energy storage device and to reasonably utilize the fire pool to achieve resource sharing, the fire pool can also be used as a second energy storage device.
However, the fire-fighting water pool cannot be used as a heat storage pool, mainly because of the reason of water heat storage, the fire-fighting pipeline is not designed and constructed according to a hot water pipeline, the cold and hot expansion is less considered, if the hot water is stored in the water pool, the expansion of a water supply pipeline can cause leakage, the hot water can damage related parts of a water system, personnel in a building can be scalded, and the generated steam influences rescue and fire extinguishment. Therefore, the fire-fighting water pool can only be used for cold accumulation if being used as a water storage pool.
Therefore, when the first capacity equipment and the second capacity equipment only supply cold, the fire pool corresponding to each user can be selected as the cold storage device, and the second energy storage device is used as the fire pool, and meanwhile, the fire pool is arranged close to the corresponding user, and the fire pool is also connected to the water supply and return pipe network, and forms a closed loop circulation with the user through the water supply and return pipe network. Therefore, a plurality of second energy storage devices do not need to be arranged independently, and on the premise of meeting the address selection condition of the second energy production equipment (at the moment, the cold unit and/or the heat pump unit), the fire pool corresponding to the user can be selected from nearby users as the second energy storage device, so that the plurality of second energy storage devices can be met, the space is not occupied independently, the second energy storage devices are not required to be arranged independently, and the cost is reduced.
The second energy production equipment is distributed in different areas, each second energy storage device close to the second energy production equipment corresponds to the second energy production equipment, or the number of the second energy storage devices is more than that of the second energy production equipment.
It should be noted that, in this embodiment, the opening and closing of the water supply pipeline and the water return pipeline are controlled by electromagnetic valves, and the valves may control the direction of water flow by conventional means in the field; the water supply pipeline is also provided with a plurality of circulating pumps.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. A capacity expansion energy storage system based on a traditional energy station is characterized by comprising a first energy production device, a first energy storage device, a second energy production device, a second energy storage device and a water supply and return pipe network;
the first energy production equipment and the first energy storage device are positioned in an energy storage plant, the first energy production equipment stores energy for the first energy storage device, and the first energy storage device and the first energy production equipment supply energy to users through the water supply and return pipe network;
the second energy producing device is located in a geographic location environment suitable for locating a heat/cold producing device;
the second energy storage device is close to the second energy production equipment, and the second energy storage device is close to at least one user setting, the second energy storage device with the second energy production equipment supplies energy for the user through a water supply and return pipe network.
2. The traditional energy station-based capacity expansion and energy storage system according to claim 1, wherein the water supply and return pipe network comprises a water supply pipeline and a water return pipeline, the outlet of the first energy production device is communicated with the inlet of the first energy storage device through the water supply pipeline, and the outlet of the first energy storage device is communicated with the inlet of the first energy production device through the water return pipeline;
and the communication mode of the second energy production equipment and the second energy storage device is the same as that of the first energy production equipment and the first energy storage device.
3. The traditional energy station-based capacity expansion and energy storage system as claimed in claim 2, wherein when the first energy storage device and the second energy storage device supply energy to users, the first energy production equipment and the second energy production equipment are respectively blocked and communicated with the water supply and return pipe network.
4. The conventional energy station based expanded energy storage system of claim 2, wherein the first energy storage device and the second energy storage device simultaneously or alternatively provide energy to the user.
5. The traditional energy station-based capacity expansion energy storage system according to claim 1, wherein the first energy production device and the second energy production device are a cold unit, a heat pump unit or a boiler; and during cooling, the first energy production equipment and the second energy production equipment are a cold pump unit and a heat pump unit, and during heating, the first energy production equipment and the second energy production equipment are the heat pump unit or a boiler.
6. The traditional energy station-based capacity expansion and energy storage system as claimed in claim 1, wherein when the first and second energy production devices are only used for cooling, the second energy storage device utilizes a fire pool corresponding to each user as cold storage, and the fire pool is disposed close to the corresponding user, and forms a closed loop circulation with the user through a water supply and return pipe network.
7. The conventional energy station based scalable energy storage system of claim 6, wherein the second energy production equipment is multiple and distributed in different areas, and each second energy storage device near the second energy production equipment corresponds to the second energy production equipment, or the number of the second energy storage devices is greater than the second energy production equipment.
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| CN202022606608.2U CN213543319U (en) | 2020-11-12 | 2020-11-12 | Capacity-expansion energy storage system based on traditional energy station |
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| CN202022606608.2U CN213543319U (en) | 2020-11-12 | 2020-11-12 | Capacity-expansion energy storage system based on traditional energy station |
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