Heat storage and supply system

Abstract

The utility model relates to a heat storage and supply system which comprises a heat storage device, a second temperature measuring assembly and a controller, the heat storage device comprises a heat storage tank, a stirring assembly, a first temperature measuring assembly and a heating assembly arranged in the heat storage tank, the stirring assembly is used for stirring heat storage media in the heat storage tank, and the first temperature measuring assembly is used for detecting the temperature difference of the heat storage media of different depths in the heat storage tank. The second temperature measuring assembly is arranged at an outlet of the heat exchange assembly and used for detecting the temperature of the heat transfer medium in the heat exchange assembly when the heat transfer medium flows out, and the controller is in signal connection with the stirring assembly, the heating assembly, the first temperature measuring assembly and the second temperature measuring assembly. The controller can select whether to start the heating assembly or not according to the temperature difference, measured by the first temperature measuring assembly, of the heat storage media at different depths in the heat storage tank and the temperature, measured by the second temperature measuring assembly, of the outlet of the heat exchange assembly, so that heat in the heat storage tank is fully utilized, energy is saved, and energy waste is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of heat storage and supply, and in particular, to a heat storage and heat supply system. Background Art

[0002] The heat storage heating system is usually divided into three parts: heat source, heat network and heat user. Among them, the heat source can be a heat storage tank, the heat user is a user who uses thermal energy, and the heat network is a pipeline for the circulation of heat transfer medium. The heat transfer medium can be transported to the heat user through the heat network after passing through the heat exchanger in the heat storage tank and exchanging heat with the heat storage medium in the heat storage tank. The heat user usually uses heat-using equipment to utilize the heat carried by the heat transfer medium. For example, the heat-using equipment can be a heating equipment, which can utilize the heat carried by the heat transfer medium transported by the heat storage tank. In addition, it is usually necessary to use a heating component to heat the heat storage medium in the heat storage tank to a preset temperature and then turn off the heating component, and use the heat of the heat storage medium in the heat storage medium to exchange heat with the heat transfer medium in the heat exchanger.

[0003] In the related art, a temperature sensor is provided at the outlet of the heat exchanger in the heat storage tank to detect the temperature of the heat transfer medium flowing out of the heat exchanger outlet. When the temperature is lower than the preset value, the heating component will be activated to heat the heat storage medium in the heat storage tank to ensure that the temperature of the heat transfer medium provided to the heat-using equipment meets the requirements. However, it is not accurate to feedback the temperature of the heat storage medium in the heat storage tank by only providing a temperature sensor at the outlet of the heat exchanger, which can easily cause overheating of the heating component and waste of energy. Utility Model Content

[0004] The purpose of the present disclosure is to provide a heat storage heating system, in which the energy in the heat storage medium in the heat storage tank can be fully utilized to at least partially solve the above-mentioned technical problems.

[0005] In order to achieve the above objectives, the present disclosure provides a heat storage heating system, comprising:

[0006] A heat storage device, comprising a heat storage tank, a stirring assembly, a first temperature measuring assembly, and a heating assembly and a heat exchange assembly arranged in the heat storage tank, wherein the stirring assembly comprises a stirring member located in the heat storage tank, and is used to stir the heat storage medium in the heat storage tank, and the first temperature measuring assembly is used to detect the temperature difference of the heat storage medium at different depths in the heat storage tank;

[0007] A second temperature measuring component is provided at the outlet of the heat exchange component and is used to detect the temperature of the heat transfer medium in the heat exchange component when it flows out;

[0008] The controller is signal-connected to the stirring component, the heating component, the first temperature measuring component, and the second temperature measuring component respectively.

[0009] Optionally, the first temperature measuring component includes at least two first temperature sensors, which are arranged in the heat storage tank at intervals along the height direction of the heat storage tank and are both connected to the controller signal for detecting the temperature of the heat storage medium at different depths in the heat storage tank.

[0010] Optionally, the stirring assembly further comprises a driving member disposed on the heat storage tank, the driving member being drivingly connected to the stirring member and configured to drive the stirring member to move along a height direction of the heat storage tank so as to stir the heat storage medium in the heat storage tank, and the driving member being connected to the controller signal.

[0011] Optionally, an annular heat-insulating cylinder is provided in the heat storage tank, the annular heat-insulating cylinder includes a through cavity extending along the height direction of the heat storage tank, the stirring member includes a disc portion and a connecting rod portion, the disc portion is movably provided in the through cavity along the height direction of the heat storage tank, one end of the connecting rod portion is connected to the disc portion, and the other end of the connecting rod portion is connected to the driving member, so that the driving member drives the disc portion to move along the height direction of the heat storage tank through the connecting rod portion.

[0012] Optionally, the heat exchange component is configured as a heat exchange tube, and the heat exchange tube is spirally arranged around the outer circumference of the annular heat insulation tube, with a gap being provided between the heat exchange tube and the annular heat insulation tube.

[0013] Optionally, the driving member is configured as a screw elevator, which is connected to the connecting rod portion and is used to drive the connecting rod portion and the disc portion to move along a height direction of the heat storage tank.

[0014] Optionally, the heat storage heating system also includes a liquid storage device for storing heat transfer medium, a first pump body, a second pump body, a first flow path, a second flow path and a heat-using device. The heat exchange component is constructed as a heat exchange tube. The liquid storage device is connected to the inlet of the heat exchange tube through the first flow path. The first pump body is arranged on the first flow path, and is used to transport the heat transfer medium in the liquid storage device to the heat exchange tube. The second flow path is used to connect the outlet of the heat exchange tube and the heat-using device. The second pump body is arranged on the second flow path, and is used to transport the heat transfer medium in the heat exchange tube to the heat-using device. The first pump body and the second pump body are both connected to the controller signal.

[0015] Optionally, the heat storage heating system further includes a valve, which is disposed in the first flow path and located between the first pump body and the heat exchange tube, and is used to adjust the flow rate of the heat transfer medium flowing through the first flow path, and the valve is connected to the controller signal.

[0016] Optionally, the second pump body is configured as a booster pump.

[0017] Optionally, the heating component is configured as an electric heating component.

[0018] Through the above technical solution, the first temperature measuring component, the second temperature measuring component, the stirring component, and the heating component are all connected to the controller signal. When the second temperature measuring component detects that the temperature of the heat transfer medium at the outlet of the heat exchange component is lower than the preset temperature value and the first temperature measuring component detects that the temperature difference of the heat storage medium at different depths in the heat storage tank is greater than the preset temperature difference value, the controller controls the stirring component to stir the heat storage medium in the heat storage tank. After the stirring component stirs the heat storage medium in the heat storage tank, when the temperature at the outlet of the heat exchange component detected by the second temperature measuring component reaches the preset temperature value, it indicates that the temperature of the heat transfer medium at the outlet of the heat exchange component is reduced due to the appearance of a temperature gradient layer in the heat storage tank, and there is no need to start the heater; when the temperature at the outlet of the heat exchange component detected by the second temperature measuring component is still lower than the preset temperature value, it indicates that there is insufficient heat in the heat storage tank, and the controller can control the heating component to start to heat the heat storage medium in the heat storage tank. Through the above setting, when the temperature of the heat transfer medium transported to the heat user is reduced due to insufficient heat stored in the heat storage tank, the heater can be turned on for heating, so that the heat in the heat storage tank is fully utilized, energy is saved, and energy waste is reduced.

[0019] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0021] Figure 1 is a schematic structural diagram of a heat storage heating system provided in an exemplary embodiment of the present disclosure;

[0022] Figure 2 is a structural use diagram of a heat storage device provided in an exemplary embodiment of the present disclosure, wherein a heating component is not shown;

[0023] Figure 3 1 is a connection block diagram of various devices signal-connected to a controller provided in an exemplary embodiment of the present disclosure.

[0024] Description of Reference Numerals

[0025] 10-heat storage device; 11-heat storage tank; 12-stirring assembly; 121-driving member; 1210-screw lift; 122-stirring member; 122a-connecting rod; 122b-disc; 13-heating assembly; 130-electric heater; 14-heat exchange assembly; 140-heat exchange tube; 15-first temperature measuring assembly; 151-first temperature sensor; 16-annular insulation cylinder; 161-through cavity; 17-bracket; 20-second temperature measuring assembly; 30-controller; 40-liquid storage device; 50-first flow path; 60-first pump body; 70-valve; 80-second pump body; 90-second flow path; 100-heat-using equipment. DETAILED DESCRIPTION

[0026] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0027] In the present disclosure, unless otherwise stated, "inside and outside" refer to the inside and outside of the corresponding component contour. In addition, it should be noted that the terms used, such as "first, second", etc., are used to distinguish one element from another element.

[0028] The inventor has found that in the related art, a temperature sensor is set at the outlet of the heat exchanger in the heat storage tank to detect the temperature of the heat transfer medium flowing out of the heat exchanger outlet. When the temperature is lower than the preset value, the heating component will be started to heat the heat storage medium in the heat storage tank to ensure that the temperature of the heat transfer medium provided to the heat-using equipment meets the requirements. However, it is not accurate to feedback the temperature of the heat storage medium in the heat storage tank only by setting a temperature sensor at the outlet of the heat exchanger, which is easy to cause overheating of the heating component and waste of energy.

[0029] Setting a temperature sensor only at the outlet of the heat exchanger to feedback the temperature of the heat storage medium in the heat storage tank is not accurate and is likely to cause energy waste. The reason is that as the heat transfer medium flowing through the heat exchanger absorbs the heat of the heat storage medium in the heat storage tank, the heat storage medium in the heat storage tank is prone to a temperature gradient, that is, there is a temperature difference between the heat storage medium at different depths in the heat storage tank, and after the heat transfer medium flowing through the heat exchanger absorbs the heat of the heat storage medium with a lower temperature, the temperature of the heat transfer medium is likely to make the temperature detected by the temperature sensor set at the outlet of the heat exchanger fail to reach the preset value, thereby starting the heating component for heating. However, in fact, there is still a heat storage medium with a higher temperature in the heat storage tank, so starting the heating component at this time is likely to cause energy waste.

[0030] In order to solve the above technical problems, the present disclosure provides a heat storage heating system, such as Figures 1 to 3As shown, it includes a heat storage device 10, a second temperature measuring component 20 and a controller 30, wherein the heat storage device 10 includes a heat storage tank 11, a stirring component 12, a first temperature measuring component 15, and a heating component 13 and a heat exchange component 14 arranged in the heat storage tank 11. The stirring component 12 includes a stirring member 122 located in the heat storage tank 11, which is used to stir the heat storage medium in the heat storage tank 11, and the first temperature measuring component 15 is used to detect the temperature difference of the heat storage medium at different depths in the heat storage tank 11. The second temperature measuring component 20 is arranged at the outlet of the heat exchange component 14, and is used to detect the temperature of the heat transfer medium in the heat exchange component 14 when it flows out. The controller 30 is respectively connected to the stirring component 12, the heating component 13, the first temperature measuring component 15 and the second temperature measuring component 20 by signal, and is used to control the operation of the stirring component 12 and the heating component 13 according to the temperature difference of the heat storage medium at different depths in the heat storage tank 11 detected by the first temperature measuring component 15 and the temperature of the heat transfer medium in the heat exchange component 14 when it flows out detected by the second temperature measuring component 20. When the second temperature measuring component 20 detects that the temperature of the heat transfer medium at the outlet of the heat exchange component 14 is lower than the preset temperature value and the first temperature measuring component 15 detects that the temperature difference of the heat storage medium at different depths in the heat storage tank 11 is greater than the preset temperature difference value, the controller 30 controls the stirring component 12 to stir the heat storage medium in the heat storage tank 11. After the stirring component 12 stirs the heat storage medium in the heat storage tank 11, when the temperature at the outlet of the heat exchange component 14 detected by the second temperature measuring component 20 reaches the preset value, it indicates that the temperature of the heat transfer medium at the outlet of the heat exchange component 14 is reduced due to the appearance of the inclined temperature layer in the heat storage tank 11, and there is no need to start the heater; when the temperature at the outlet of the heat exchange component 14 detected by the second temperature measuring component 20 is still lower than the preset temperature value, it indicates that the heat in the heat storage tank 11 is insufficient, and the heating component 13 can be controlled by the controller 30 to start to heat the heat storage medium in the heat storage tank 11. Through the above arrangement, when the temperature of the heat transfer medium transported to the heat user 100 in the heat storage heating system decreases, the controller 30 can choose whether to start the heating component 13 according to the temperature difference of the heat storage medium at different depths in the heat storage tank 11 measured by the first temperature measuring component 15 and the temperature at the outlet of the heat exchange component 14 measured by the second temperature measuring component 20, and then when the temperature of the heat transfer medium transported to the heat user decreases due to insufficient heat stored in the heat storage tank 11, the heater can be turned on for heating, so that the heat in the heat storage tank 11 can be fully utilized, energy can be saved, and energy waste can be reduced.

[0031] It should be noted that the temperature preset value and the temperature difference preset value can be set according to actual conditions. In addition, when the heat exchange component 14 is working, the heat transfer medium will take away the heat in the heat storage medium, causing the cold and hot heat storage medium to be stratified. Usually, the heat storage medium with a low temperature will be located at the lower part of the heat storage tank 11, and the heat storage medium with a high temperature will be located at the upper part of the heat storage tank 11. The variable temperature zone between the heat storage medium with a high temperature and the heat storage medium with a low temperature is called the inclined temperature layer. As the heat exchange time progresses, the inclined temperature layer will cause part of the heat exchange component 14 to be located in the heat storage medium with a higher temperature, and part of the heat exchange component 14 to be located in the heat storage medium with a lower temperature. When the flow rate of the heat transfer medium remains unchanged, the heat exchange efficiency of the heat exchange component 14 is reduced, which will cause the temperature of the heat transfer medium at the outlet of the heat exchanger to decrease, causing the heat storage heating system to be unstable. After stirring by the stirring component 12, the inclined temperature layer will disappear, avoiding the influence of the inclined temperature layer on the heat exchange of the heat exchange component 14.

[0032] In the above-mentioned embodiment, after the temperature of the heat transfer medium at the outlet of the heat exchange component 14 drops, the stirring component 12, the heating component 13, the first temperature measuring component 15 and the second temperature measuring component 20 are all connected to the controller 30 by signal, and then the temperature difference of the heat storage medium at different depths in the heat storage tank 11 is measured by the first temperature measuring component 15, and the temperature of the heat transfer medium in the heat exchange component 14 when it flows out is detected by the second temperature measuring component 20. The controller 30 can selectively control the stirring component 12 and the heating component 13 according to the value of the temperature difference fed back by the first temperature measuring component 15 and the value of the heat transfer medium at the outlet of the heat exchange component 14 fed back by the second temperature measuring component 20, so that after the temperature of the heat transfer medium at the outlet of the heat exchange component 14 in the heat storage heating system drops, it can be selected to start only the stirring component 12 to adjust the temperature of the heat transfer medium at the outlet of the heat exchange component 14, or the heating component 13 can be started after starting the stirring component 12. When the temperature of the heat medium delivered to the heat user decreases due to insufficient heat stored in the heat storage tank 11, the heating component 13 is activated to heat the heat storage medium in the heat storage tank 11, thereby saving energy and reducing energy waste. In addition, the second temperature measuring component 20 can be configured as one of a thermocouple sensor, a bimetallic thermometer, an expansion thermometer or a contact temperature sensor, which is not limited here.

[0033] In some embodiments, Figure 1 and Figure 2 As shown, the first temperature measuring component 15 includes at least two first temperature sensors 151, which are arranged in the heat storage tank 11 at intervals along the height direction of the heat storage tank 11 and are both connected to the controller 30 by signal, and are used to detect the temperature of the heat storage medium at different depths in the heat storage tank 11.

[0034] In the above-mentioned embodiment, after at least two first temperature sensors 151 arranged in the heat storage tank 11 detect the temperature of the heat storage medium at different depths in the heat storage tank 11, the measured temperature is fed back to the controller 30. The controller 30 can obtain the temperature difference between different sensors according to the temperature obtained by different first temperature sensors. When the temperature difference between any two different temperature sensors is greater than the preset temperature difference value, the controller 30 can control the stirring component 12 to start, so that the stirring member 122 stirs the heat storage medium in the heat storage tank 11 to eliminate the temperature gradient layer in the heat storage medium. In addition, the first temperature sensor 151 can be constructed as one of a thermocouple sensor, a bimetallic thermometer, an expansion thermometer or a contact temperature sensor, which is not limited here. In addition, the distance between two first temperature sensors 151 adjacent to each other can be set according to actual application requirements, and the present disclosure does not make specific limitations on this.

[0035] In some embodiments, the stirring assembly 12 also includes a driving member 121 disposed on the heat storage tank 11, and the driving member 121 is drivingly connected to the stirring member 122, and is used to drive the stirring member 122 to move along the height direction of the heat storage tank 11, and is used to stir the heat storage medium in the heat storage tank 11. The driving member 121 is signal-connected to the controller 30, and the controller 30 can control the operation of the driving member 121.

[0036] In the above-mentioned embodiment, after the heat stored in the heat storage medium in the heat storage tank 11 is gradually replaced by the heat exchange component 14, the heat storage medium with a lower temperature will be deposited at the bottom of the heat storage tank 11, and the driving member 121 drives the stirring member 122 to move along the height direction of the heat storage tank 11, so that the heat storage medium with a lower temperature at the bottom of the heat storage tank 11 can be better mixed with the heat storage medium located in the upper middle part of the heat storage tank 11, so that the heat storage medium with a lower temperature and the heat storage medium with a higher temperature are quickly mixed and evenly mixed, so that the inclined temperature layer in the heat storage tank 11 disappears, and then the heat stored in the heat storage medium in the heat storage tank 11 is more evenly distributed in the heat storage tank 11.

[0037] In some embodiments, Figure 1 and Figure 2 As shown, an annular heat-insulating cylinder 16 is provided in the heat storage tank 11, and the annular heat-insulating cylinder 16 includes a through cavity 161 extending along the height direction of the heat storage tank 11. The stirring member 122 includes a disc portion 122b and a connecting rod portion 122a. The disc portion 122b is movably provided in the through cavity 161 along the height direction of the heat storage tank 11. One end of the connecting rod portion 122a is connected to the disc portion 122b, and the other end of the connecting rod portion 122a is connected to the driving member 121, so that the driving member 121 drives the disc portion 122b to move along the height direction of the heat storage tank 11 through the connecting rod portion 122a.

[0038] In the above-mentioned embodiment, the through cavity 161 in the annular heat-insulating cylinder 16 can be used as a channel for the flow of the heat storage medium. When driven by the driving member 121, the disc portion 122b of the stirring member 122 moves along the height direction of the heat storage tank 11, so that the heat storage medium located in the bottom area of ​​the heat storage tank 11 can be passed through the through cavity 161 of the annular heat-insulating cylinder 16 into the upper area of ​​the heat storage tank 11, thereby quickly mixing the heat storage medium with a low temperature and the heat storage medium with a high temperature.

[0039] In some specific embodiments, Figure 1 and Figure 2 As shown, the outer diameter of the disc portion 122b matches the inner diameter of the through cavity 161, so that when the disc portion 122b moves in the through cavity 161 along the height direction of the heat storage tank 11, the outer wall of the disc portion 122b can fit the inner wall of the through cavity 161, so as to better promote the flow of the heat storage medium in the through cavity 161. It should be noted that there may also be a gap between the disc portion 122b and the inner wall of the through cavity 161, which is not limited here.

[0040] In some embodiments, the initial position of the disc portion 122b is located below the annular insulation cylinder 16. After the controller 30 controls the driving member 121 to start, the driving member 121 drives the disc portion 122b to reciprocate along the height direction of the heat storage tank 11 through the connecting rod portion 122a, so as to mix the heat storage medium with a high temperature and the heat storage medium with a low temperature in the heat storage tank 11. The temperature of the mixed heat storage medium is relatively uniform, so as to eliminate the oblique temperature layer in the heat storage tank 11.

[0041] In the above embodiment, the annular insulation tube 16 can be fixed to the bottom of the heat storage tank 11 by the bracket 17, so that there is enough spacing between the annular insulation tube 16 and the bottom of the heat storage tank 11, so that the disc portion 122b can move to the bottom of the annular insulation tube 16.

[0042] In some embodiments, the driving member 121 can be arbitrarily configured according to actual needs. For example, the driving member 121 can be configured as a screw elevator 1210, which is connected to the connecting rod portion 122a and is used to drive the connecting rod portion 122a and the disc portion 122b to move along the height direction of the heat storage tank 11. The screw elevator 1210 is disposed on the top of the heat storage tank 11.

[0043] In some embodiments, the heat exchange component 14 can also be arbitrarily constructed according to actual needs. For example, the heat exchange component 14 can be constructed as a heat exchange tube 140, which is spirally arranged around the outer circumference of the annular insulation tube 16. There is a gap between the heat exchange tube 140 and the annular insulation tube 16 so that there is a larger contact area between the heat exchange tube 140 and the heat storage medium to improve the heat exchange efficiency of the heat exchange tube 140.

[0044] In the above-mentioned embodiments, the heat exchange tube 140 may be installed on the top of the heat storage tank 11, or the heat exchange tube 140 may be installed on the inner wall of the heat storage tank 11, which is not limited here.

[0045] In addition, the heating component 13 can also be configured arbitrarily according to actual needs. For example, the heating component 13 can be configured as an electric heating component. For example, the heating component 13 can be configured as an electric heater 130.

[0046] In some embodiments, the heat storage heating system also includes a liquid storage device 40 for storing heat transfer medium, a first pump body 60, a second pump body 80, a first flow path 50, a second flow path 90 and a heat-using device 100. The heat exchange component 14 is constructed as a heat exchange pipe 140. The liquid storage device 40 is connected to the inlet of the heat exchange pipe 140 through the first flow path 50. The first pump body 60 is arranged in the first flow path 50, and is used to transport the heat transfer medium in the liquid storage device 40 to the heat exchange pipe 140. The second flow path 90 is used to connect the outlet of the heat exchange pipe 140 and the heat-using device 100. The first pump body 60 and the second pump body 80 are both connected to the controller 30 signal.

[0047] In the above-mentioned embodiment, the controller 30 can control the first pump body 60 and the second pump body 80. The controller 30 controls the first pump body 60 to work, and is used to transport the heat transfer medium in the liquid storage device 40 to the heat exchange pipe 140. The controller 30 controls the second pump body 80 to work, and is used to transport the heat transfer medium in the heat exchange pipe 140 to the heat-using device 100. Among them, the liquid storage device 40 can be a liquid storage tank, the heat transfer medium can be water, and the heat-using device 100 can be a heating device. For example, a heating device using a water heating solution. Among them, the first pump body 60 can be a water supply pump.

[0048] In some embodiments, Figure 1 As shown, the heat storage heating system further includes a valve 70, which is disposed in the first flow path 50 and between the first pump body 60 and the heat exchange tube 140, and is used to adjust the flow of the heat transfer medium flowing through the first flow path 50, and the valve 70 is connected to the controller 30 by signal. The valve 70 may be an electromagnetic flow regulating valve, which is controlled by the controller 30 to adjust the flow of the heat transfer medium in the first flow path 50.

[0049] In some embodiments, the second pump body 80 may be configured as a booster pump, which can boost the pressure of the heat transfer medium discharged from the heat exchange tube 140 to a preset pressure, thereby facilitating stable transportation of the heat transfer medium.

[0050] In addition, the heat-using device 100 can be connected to the liquid storage device 40. After the heat-using device 100 uses the heat carried by the heat transfer medium, the heat transfer medium in the heat-using device 100 can be transported back to the liquid storage device 40 to facilitate the recycling of the heat transfer medium.

[0051] Of course, it is understandable that when the heat-using device 100 uses heat, a heat transfer medium such as water is also used. Then the heat transfer medium may not be passed back to the liquid storage device 40.

[0052] The present disclosure exemplarily describes a working process of a heat storage heating system. The heat transfer medium in the heat storage heating system may be water. The controller 30 controls the water supply pump and the booster pump to start, and controls the valve 70 to open. The water supply pump delivers the water in the liquid storage device 40 to the heat exchange tube 140 in the heat storage tank 11. The water in the heat exchange tank is delivered from the outlet of the heat exchange tube 140 after heat exchange in the heat exchange tube 140. The water delivered from the outlet of the heat exchange tube 140 is boosted by the booster pump and delivered to the heat-using device 100. After the heat exchanger works for a period of time, if the second temperature measuring component 20 provided at the outlet of the heat exchange tube 140 detects that the temperature of the water at the outlet of the heat exchange tube 140 is lower than the preset temperature value, and the temperature difference between any two first temperature sensors 151 of the plurality of first temperature sensors 151 provided in the heat storage tank 11 is greater than the preset temperature difference value, the controller 30 controls the screw elevator 1210 to start, and the screw elevator 1210 drives the disc portion 122b of the stirring member 122 to move in the heat storage tank 11 along the height direction of the heat storage tank 11. The heat storage medium in the heat storage tank 11 is stirred evenly. After the screw lift 1210 has been working for a period of time, if the temperature of the water at the outlet of the heat exchange tube 140 detected by the second temperature measuring component 20 is still lower than the preset temperature value, the electric heater 130 is started to heat the heat storage medium in the heat storage tank 11; after the screw lift 1210 has been working for a period of time, if the temperature of the water at the outlet of the heat exchange tube 140 detected by the second temperature measuring component 20 is higher than the preset temperature value, there is no need to start the electric heater 130, and the heat storage heating system operates normally.

[0053] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0054] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0055] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A heat storage heating system, characterized in that: include: A heat storage device, comprising a heat storage tank, a stirring assembly, a first temperature measuring assembly, and a heating assembly and a heat exchange assembly arranged in the heat storage tank, wherein the stirring assembly comprises a stirring member located in the heat storage tank, and is used to stir the heat storage medium in the heat storage tank, and the first temperature measuring assembly is used to detect the temperature difference of the heat storage medium at different depths in the heat storage tank; A second temperature measuring component is provided at the outlet of the heat exchange component and is used to detect the temperature of the heat transfer medium in the heat exchange component when it flows out; The controller is signal-connected to the stirring component, the heating component, the first temperature measuring component, and the second temperature measuring component respectively.

2. The heat storage heating system according to claim 1, characterized in that: The first temperature measuring component includes at least two first temperature sensors, which are arranged in the heat storage tank at intervals along the height direction of the heat storage tank and are both connected to the controller signal for detecting the temperature of the heat storage medium at different depths in the heat storage tank.

3. The heat storage heating system according to claim 1, characterized in that: The stirring assembly also includes a driving member disposed on the heat storage tank, the driving member is drivingly connected to the stirring member, and is used to drive the stirring member to move along the height direction of the heat storage tank to stir the heat storage medium in the heat storage tank, and the driving member is signal-connected to the controller.

4. The heat storage heating system according to claim 3, characterized in that: An annular heat-insulating cylinder is arranged in the heat storage tank, and the annular heat-insulating cylinder includes a through cavity extending along the height direction of the heat storage tank. The stirring member includes a disc portion and a connecting rod portion. The disc portion is movably arranged in the through cavity along the height direction of the heat storage tank. One end of the connecting rod portion is connected to the disc portion, and the other end of the connecting rod portion is connected to the driving member, so that the driving member drives the disc portion to move along the height direction of the heat storage tank through the connecting rod portion.

5. The heat storage heating system according to claim 4, characterized in that: The heat exchange component is configured as a heat exchange tube, which is spirally arranged around the outer circumference of the annular heat insulation tube, and a gap is provided between the heat exchange tube and the annular heat insulation tube.

6. The heat storage heating system according to claim 4 or 5, characterized in that: The driving member is configured as a screw elevator, which is connected to the connecting rod portion and is used to drive the connecting rod portion and the disc portion to move along a height direction of the heat storage tank.

7. The heat storage heating system according to claim 1, characterized in that: The heat storage and heating system also includes a liquid storage device for storing heat transfer medium, a first pump body, a second pump body, a first flow path, a second flow path and a heat-using device. The heat exchange component is constructed as a heat exchange tube. The liquid storage device is connected to the inlet of the heat exchange tube through the first flow path. The first pump body is arranged on the first flow path, and is used to transport the heat transfer medium in the liquid storage device to the heat exchange tube. The second flow path is used to connect the outlet of the heat exchange tube and the heat-using device. The second pump body is arranged on the second flow path, and is used to transport the heat transfer medium in the heat exchange tube to the heat-using device. The first pump body and the second pump body are both connected to the controller signal.

8. The heat storage heating system according to claim 7, characterized in that: The heat storage heating system also includes a valve, which is arranged in the first flow path and located between the first pump body and the heat exchange tube, and is used to adjust the flow rate of the heat transfer medium flowing through the first flow path. The valve is connected to the controller signal.

9. The heat storage heating system according to claim 7 or 8, characterized in that: The second pump body is configured as a booster pump.

10. The heat storage heating system according to claim 1, characterized in that: The heating component is configured as an electric heating component.

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