CN216897468U - Electric heating heat accumulation water tank system with horizontal heating pipe and energy storage peak-shaving frequency modulation system - Google Patents

Abstract

The embodiment of the present utility model proposes an electric heating hot water storage tank system and an energy storage peak regulation and frequency regulation system with horizontal heating pipes. The electric heating hot water storage tank system with horizontal heating pipes according to the embodiment of the present invention includes a hot water storage tank and a plurality of electric heating pipes. A water outlet pipe and a water return pipe; a plurality of electric heating pipes are installed in the hot water storage tank and are straight pipes whose length direction is consistent with the horizontal direction, and at least part of the electric heating pipes are located in the water storage cavity so as to heat the water body in the water storage cavity . Therefore, the electric heating hot water storage tank system with horizontal heating pipes according to the embodiment of the present invention has the advantages of small footprint, direct power consumption for heating, and convenience for the electric heating pipes to be installed on the hot water storage tank and inside the water storage cavity. The advantages of rapid heating of the water body to meet the water temperature requirements of the heating pipe network.

Description

Electric heating hot water storage tank system with horizontal heating pipe and energy storage peak regulation and frequency regulation system

technical field

The utility model relates to the technical field of heating equipment, in particular to an electric heating hot water storage tank system with horizontal heating pipes and an energy storage peak regulation and frequency regulation system.

Background technique

All the hot water storage tanks in the related art send the hot water heated outside the tank to the top of the hot water storage tank for thermal storage. The cold water after external heat exchange is injected into the tank from the bottom of the hot water storage tank, and the water body structure of the upper hot water and the lower cold water divided by the twill layer is naturally formed by using the different density of the water layer at different temperatures. The large-scale hot water storage tank first solves the problem of thermo-decoupling of the cogeneration unit of the large thermal power plant, and partially realizes the separation of heat production and electric power production of the thermal power unit within the heating capacity of the hot water storage tank, making the cogeneration unit better. It is necessary to adapt to the peak and frequency regulation problems brought by the future fluctuating renewable energy power generation to the power grid. Moreover, it can also provide supplementary water with sufficient temperature and sufficient flow for the heating pipe network in the shortest time, and indirectly realize the function of the expansion water tank of the heating pipe network.

However, the hot water storage tank system in the related art is complex in structure and occupies a large area, and it is often difficult to find a suitable site in a thermal power plant. In addition, the heating device used for heating water outside the tank is generally a soda-water shell-and-tube heat exchanger, which not only occupies a large area, but also has a high investment cost, and cannot well cope with the load changes of thermal power units during peak regulation and frequency regulation.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the present invention proposes an electric heating hot water storage tank system and an energy storage peak regulation and frequency regulation system with horizontal heating pipes.

The electric heating hot water storage tank system with horizontal heating pipes according to the embodiment of the present invention includes a hot water storage tank and a plurality of electric heating pipes, the hot water storage tank is provided with a water storage cavity, and communicates with the outside The water outlet pipe and the water return pipe of the water storage chamber; a plurality of the electric heating pipes are installed in the hot water storage tank and are straight pipes whose length direction is consistent with the horizontal direction, and at least part of the electric heating pipes are located in the water storage tank The cavity is in order to heat the water body in the water storage cavity.

Therefore, the electric heating hot water storage tank system with the horizontal heating pipe according to the embodiment of the present invention has the advantages of small footprint, direct power consumption heating, and convenient installation of the electric heating pipe on the hot water storage tank and is a water storage cavity It has the advantage of rapidly heating the water body to meet the outlet water temperature requirements of the heating pipe network.

In some embodiments, the water storage chamber includes a lower chamber, a middle chamber and an upper chamber connected in sequence, the water outlet pipe is communicated with the upper chamber, and the return pipe is connected with the lower chamber connected.

In some embodiments, at least a portion of the electrically heated tube is located in the mid-section chamber.

In some embodiments, at least a portion of the electrical heating tube is located in the upper chamber.

In some embodiments, the electric heating pipes are connected to the tank body of the hot water storage tank, and a plurality of the electric heating pipes are distributed at intervals along the height direction of the water storage cavity.

In some embodiments, the electric heating pipes are connected to the tank body of the hot water storage tank, and a plurality of the electric heating pipes are distributed at intervals along the circumference of the water storage cavity.

In some embodiments, the water outlet pipe is adjacent to the top wall of the upper chamber, and the water return pipe is adjacent to the bottom wall of the lower chamber.

In some embodiments, the electric heating hot water storage tank system with horizontal heating pipes further includes a controller, which is electrically connected with the electric heating pipes and used to control the on-off of the electric heating pipes.

In some embodiments, the electrically heated hot water storage tank system with horizontal heating pipes further comprises a temperature sensor, the temperature sensor is installed in the water storage cavity and is electrically connected with the controller, the temperature A sensor is adjacent to the outlet pipe.

The utility model also proposes an energy storage peak regulation and frequency regulation system, which includes the above-mentioned electric heating hot water storage tank system with horizontal heating pipes.

Description of drawings

FIG. 1 is a schematic diagram of an electrically heated hot water storage tank system with horizontally oriented heating pipes according to an embodiment of the present invention.

Reference number:

Electric heating hot water storage tank system 1000 with horizontal heating pipes;

The hot water storage tank 100, the top wall 101, the bottom wall 102, the side wall 103, the water storage cavity 110, the upper chamber 111, the middle chamber 112, the lower chamber 113, the water outlet pipe 120, and the water return pipe 130;

Electric heating tube 200;

Controller 300.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

The following describes an electric heating hot water storage tank system 1000 with horizontal heating pipes according to an embodiment of the present invention with reference to the accompanying drawings. As shown in FIG. 1 , an electric heating hot water storage tank system 1000 with horizontal heating pipes according to an embodiment of the present invention includes a hot water storage tank 100 and a plurality of electric heating pipes 200 .

The hot water storage tank 100 is provided with a water storage cavity 110 , and a water outlet pipe 120 and a water return pipe 130 that communicate with the outside world and the water storage cavity 110 . That is, the water outlet pipe 120 can connect the outside world with the water storage cavity 110 , and the water return pipe 130 can connect the outside world with the water storage cavity 110 . For example, the water outlet pipe 120 is located above the water return pipe 130 , the hot water in the water storage cavity 110 is transported to the outside through the water outlet pipe 120 , and the return water pipe 130 can transport cold water from the outside to the water storage cavity 110 to fill the water storage cavity 110 .

The plurality of electric heating pipes 200 are attached to the hot water storage tank 100 and are straight pipes whose longitudinal direction is the same as the horizontal direction. At least part of the electric heating pipe 200 is located in the water storage chamber 110 so as to heat the water body in the water storage chamber 110 . The electric heating tube 200 consumes electrical energy to generate thermal energy. The electric heating pipe 200 extends in a horizontal direction so that the electric heating pipe 200 can be easily installed on the side wall 103 of the hot water storage tank 100 . For example, at least parts (heating parts) of the plurality of electric heating pipes 200 may extend into the water storage cavity 110 from one side of the hot water storage tank 100 to rapidly heat the water in the water storage cavity 110 . Therefore, the water in the upper part of the water storage chamber 110 is heated by the electric heating pipe 200, so as to quickly meet the water outlet temperature requirement of the heating pipe network.

The electric heating hot water storage tank system 1000 with horizontal heating pipes according to the embodiment of the present invention installs the electric heating pipe 200 on the hot water storage tank 100, so that the hot water storage tank 100 can directly use electric energy to heat the water body, and also makes The heating of the water body in the hot water storage tank 100 is more convenient and fast. In addition, the electric heating pipe 200 and the hot water storage tank 100 can be integrated, which reduces the space occupied by the heating device of the hot water storage tank 100 , thereby facilitating the design and installation of the hot water storage tank 100 . The electric heating tube 200 extends in the horizontal direction, so that the electric heating tube 200 can be easily installed on the side wall 103 of the hot water storage tank 100, and the side wall 103 of the hot water storage tank 100 has a larger area, which is convenient for the installation and The arrangement can be installed in a large number, that is, the heating efficiency of the plurality of electric heating tubes 200 is high. Therefore, it is convenient for the electric heating pipe 200 to be installed on the hot water storage tank 100 and to quickly heat the water body in the water storage cavity 110 to meet the water outlet temperature requirement of the heating pipe network.

Therefore, the electric heating hot water storage tank system 1000 with horizontal heating pipes according to the embodiment of the present invention has the advantages of small footprint, direct power consumption heating and convenient installation of the electric heating pipe 200 on the hot water storage tank 100 and is The water body in the water storage cavity 110 is rapidly heated to meet the water outlet temperature requirements of the heating pipe network.

As shown in FIG. 1 , in some embodiments, the water storage chamber 110 includes a lower chamber 113 , a middle chamber 112 and an upper chamber 111 which are connected in sequence. Specifically, the lower chamber 113 , the middle chamber 112 and the upper chamber 111 are arranged in the direction from bottom to top, the upper chamber 111 is located at the upper part of the water storage chamber 110 , and the lower chamber 113 is located at the lower part of the water storage chamber 110 . The up-down direction is the direction indicated by the arrow A in FIG. 1 .

The water outlet pipe 120 is communicated with the upper chamber 111 , that is, the water outlet pipe 120 is communicated with the upper part of the water storage chamber 110 . The higher the height in the water storage chamber 110 is, the higher the temperature of the water is. Therefore, the water outlet pipe 120 is located at the upper part of the water storage chamber 110 so that the water body reaching the water outlet temperature can easily flow out of the water outlet pipe 120 .

The return pipe 130 communicates with the lower chamber 113 , that is, the return pipe 130 communicates with the lower part of the water storage cavity 110 . Therefore, the water body entering the water storage cavity 110 from the return pipe 130 is located in the lower part of the water storage cavity 110 first, so as to facilitate the heat exchange of cold water without affecting the hot water to flow out from the upper part of the water storage cavity 110, so that the hot water storage tank 100 is more efficient. Energy saving.

In some embodiments, at least a portion of the electrically heated tube 200 is located in the mid-section chamber 112 . The middle chamber 112 is located in the middle of the water storage chamber 110 , and the height of the middle chamber 112 is lower than that of the upper chamber 111 . Setting the heating part of the electric heating tube 200 in the middle chamber 112 of the water storage cavity 110 makes the installation of the electric heating tube 200 more convenient, and heats the water body in the water storage cavity 110 more uniformly, and is located in the middle of the water storage cavity 110 for heating Afterwards, it will rise to the upper part of the water storage cavity 110 and be transported to the heating pipe network.

In some embodiments, at least a portion of the electric heating tube 200 is located in the upper chamber 111 . The upper chamber 111 is located at the upper part of the water storage chamber 110 , that is, at least part of the electric heating tube 200 is located at the upper part of the water storage chamber 110 . Therefore, the electric heating tube 200 can quickly heat the water body in the upper part of the water storage chamber 110, so that the water in the upper part of the thermal storage chamber 110 can be heated to meet the water outlet temperature requirement of the heating pipe network.

In other embodiments, the upper chamber 111 and the middle chamber 112 may both have electric heating tubes 200 to further improve the heating efficiency of the electric heating tubes 200 .

In some embodiments, the electric heating pipe 200 is connected to the tank body of the hot water storage tank 100 . For example, the electric heating pipe 200 extending in the horizontal direction is installed on the side wall 103 of the hot water storage tank 100 , and the heating part of the electric heating pipe 200 extends into the water storage cavity 110 .

In some embodiments, the plurality of electric heating tubes 200 are distributed at intervals along the height direction of the water storage cavity 110 . The height direction of the water storage chamber 110 is the up-down direction. That is, the plurality of electric heating tubes 200 distributed at intervals in the up-down direction can heat the water body in the water storage chamber 110 . For example, four electric heating pipes 200 are provided, and the four electric heating pipes 200 are distributed on the side wall 103 of the hot water storage tank 100 at intervals along the up-down direction.

In some embodiments, a plurality of electric heating tubes 200 are spaced apart along the circumference of the water storage cavity 110 . That is, a plurality of electric heating pipes 200 distributed at intervals along the circumferential direction of the water storage cavity 110 can heat the water body in the water storage cavity 110 . For example, six electric heating tubes 200 are provided, and the six electric heating tubes 200 are on the same horizontal plane.

In other embodiments, a part of the electric heating tubes 200 are distributed at intervals along the height direction of the water storage cavity 110 , and another part of the electric heating tubes 200 are distributed at intervals along the circumferential direction of the water storage cavity 110 , thereby further improving the heating of the electric heating tubes 200 efficiency.

In some embodiments, the water outlet pipe 120 is adjacent to the top wall 101 of the upper chamber 111 . That is, the water outlet pipe 120 communicates with the upper part of the water storage cavity 110 . For example, the inlet of the water outlet pipe 120 is located below the liquid level of the water storage chamber 110 , and the inlet of the water outlet pipe 120 is adjacent to the liquid level of the water storage chamber 110 . The higher the height in the water storage chamber 110, the higher the temperature of the water body. Therefore, the water outlet pipe 120 is located at the upper part of the water storage chamber 110 so that the water body reaching the outlet water temperature can easily flow out of the water outlet pipe 120 .

The water return pipe 130 is adjacent to the bottom wall 102 of the lower chamber 113 . That is, the return pipe 130 communicates with the lower part of the water storage cavity 110 . Therefore, the water entering the water storage cavity 110 from the return pipe 130 is located in the lower part of the water storage cavity 110 first, which facilitates the heat exchange of cold water, and does not affect the hot water to be sent from the upper part of the water storage cavity 110, so that the hot water storage tank 100 is more energy-saving .

As shown in FIG. 1 , in some embodiments, the electrically heated hot water storage tank system 1000 with horizontally oriented heating pipes further includes a controller 300 . The controller 300 is electrically connected to the electric heating tube 200 and used to control the on-off of the electric heating tube 200 . The heating of the electric heating pipe 200 can be controlled by the controller 300, so that the water temperature in the electric heating hot water storage tank system 1000 with the horizontal heating pipe can meet the requirements of use, and the power consumption of the electric heating pipe 200 can be adjusted by power off or adjustment. Electric power to save energy.

In some embodiments, the electrically heated hot water storage tank system 1000 with horizontally oriented heating pipes further includes a temperature sensor. The temperature sensor is installed in the water storage chamber 110 and is electrically connected to the controller 300 , and the temperature sensor is adjacent to the water outlet pipe 120 . The temperature sensor can detect the water outlet temperature of the water pipe 120 so that the controller 300 can adjust the electric heating pipe 200 . Specifically, when the temperature sensor detects that the outlet water temperature of the water pipe 120 is low, the controller 300 can control the electric heating pipe 200 to be energized. When the temperature sensor detects that the outlet water temperature of the water pipe 120 is relatively high, the controller 300 can control the electric heating pipe 200 to be powered off.

The utility model also proposes an energy storage peak regulation and frequency regulation system, including the above-mentioned electric heating hot water storage tank system 1000 with horizontal heating pipes. The electric heating hot water storage tank system 1000 with horizontal heating pipes can be used as an external peak regulation and frequency regulation device for thermal power units, and can be quickly adjusted according to the external load changes of the thermal power unit, reducing the overall cost of external peak regulation and frequency regulation equipment, while solving the problem of The influence of the lifting load on the life of the unit itself and the operator.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial direction", "circumferential direction", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying the indicated device. Or the elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be mechanical connection, electrical connection or communication with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between the two elements , unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features through an intermediary indirect contact. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In this application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean the specific features, structures, materials described in connection with the embodiment or example Or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (8)

1. an electric heating hot water storage tank system with a horizontal heating pipe, characterized in that, comprising: a hot water storage tank, the hot water storage tank is provided with a water storage cavity, and a water outlet pipe and a water return pipe that communicate with the outside world and the water storage cavity; and A plurality of electric heating pipes, which are installed in the hot water storage tank and are straight pipes whose length direction is consistent with the horizontal direction, and at least part of the electric heating pipes are located in the water storage cavity so as to facilitate heating the water body in the water storage cavity; The electric heating pipes are connected to the tank body of the hot water storage tank, and a plurality of the electric heating pipes are distributed at intervals along the height direction of the water storage cavity or a plurality of the electric heating pipes are distributed along the height of the water storage cavity. Circumferentially spaced distribution. 2 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 1 , wherein the water storage chamber comprises a lower chamber, a middle chamber and an upper chamber which are connected in sequence, and the The water outlet pipe communicates with the upper chamber, and the return pipe communicates with the lower chamber. 3 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 2 , wherein at least part of the electric heating pipes is located in the middle chamber. 4 . 4 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 2 , wherein at least part of the electric heating pipes is located in the upper chamber. 5 . 5 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 2 , wherein the water outlet pipe is adjacent to the top wall of the upper chamber, and the water return pipe is adjacent to the lower chamber. 6 . bottom wall of the chamber. 6 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 1 , wherein the electric heating hot water storage tank system with horizontal heating pipes further comprises a controller, the control The device is electrically connected to the electric heating tube and used to control the on-off of the electric heating tube. 7 . The electric heating hot water storage tank system with horizontal heating pipes according to claim 6 , wherein the electric heating hot water storage tank system with horizontal heating pipes further comprises a temperature sensor, and the temperature A sensor is installed in the water storage chamber and is electrically connected to the controller, and the temperature sensor is adjacent to the water outlet pipe. 8. An energy storage peak regulation and frequency regulation system, characterized in that it comprises the electric heating hot water storage tank system with horizontal heating pipes according to any one of claims 1-7.

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