Solar cross-season heat storage heating system

Abstract

A solar cross-season heat storage heating system comprises a solar heat collector, a heat storage water pool and a heat storage water tank which are connected through a plurality of corresponding pipelines. The heat storage pipeline is used for communicating the solar heat collector with the heat storage water tank, the heating pipeline is used for communicating the solar heat collector with the heat storage water tank, and the heat supplementing pipeline is used for communicating the heat storage water tank with the heat storage water tank. And each pipeline is provided with a corresponding valve and a water pump for providing power for water flow. The solar energy utilization rate is improved, hot water generated by solar energy in spring, summer and autumn is stored in the heat storage water pool, solar energy cross-season heat storage is achieved, heating in winter is achieved, energy consumption and supply pressure of traditional energy are reduced, and safety and environmental protection are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat storage, and in particular relates to a solar heat storage heating system capable of crossing seasons. Background Art

[0002] Solar energy is a renewable energy source that is extensive, safe, huge and long-lasting. It is not controlled or monopolized by anyone and is given to mankind selflessly, free of charge and fairly. The existing conventional energy supply is tight and environmental pressure is increasing. Traditional heating energy mostly uses coal or natural gas, which are non-renewable resources. As people's living standards improve, their requirements for living environment gradually increase, and the pressure on energy supply increases year by year. Users' heating costs also increase year by year. The development of solar thermal storage heating systems is what people need. Utility Model Content

[0003] The purpose of this utility model is to provide a solar heat storage heating system that can cross seasons, so as to solve the technical problems that the existing solar energy development is insufficient, traditional heating not only wastes energy, but also causes serious environmental pollution, and the energy supply pressure increases year by year.

[0004] In order to achieve the above purpose, the specific technical solutions of the present utility model are as follows:

[0005] A solar inter-seasonal heat storage heating system includes a solar collector, a heat storage pool, and a heat storage tank. The various devices are connected by multiple corresponding pipelines, including a heat storage pipeline connecting the solar collector and the heat storage pool, a heating pipeline connecting the solar collector and the heat storage tank, and a heat supply pipeline connecting the heat storage tank and the heat storage pool. The heat storage tank is provided with multiple interfaces for external water source replacement, and each pipeline is provided with a corresponding valve and a water pump to provide power for the water flow.

[0006] Furthermore, the heat storage pipeline includes pipeline A and pipeline B, wherein the inlet end of pipeline A is connected to the hot water storage tank, and the outlet end is connected to the inlet of the solar collector; the inlet end of pipeline B is connected to the outlet of the solar collector, and the outlet end is connected to the hot water storage tank.

[0007] Furthermore, the multiple interfaces of the heat storage tank include a solar water outlet and a solar water return port correspondingly connected to the heating pipeline, a tap water inlet correspondingly connected to the external tap water pipeline, a heating return port and a heating water outlet correspondingly connected to the external heating pipeline, a heat supply outlet correspondingly connected to the heat supply pipeline, the water in the heat supply pipeline flows back into the heat storage tank through the heating return port, and a domestic hot water outlet for output after the tap water enters the heat storage tank for heat exchange. In addition, the heat storage tank is also provided with a water tank exhaust port and a water supply port for exhaust. The inlet end of the water supply port is connected in parallel to the domestic hot water outlet and is provided with a corresponding valve.

[0008] Furthermore, the heating pipeline includes pipeline C and pipeline D, wherein the inlet end of pipeline C is connected to the solar water outlet of the heat storage tank, and the outlet end is connected to the inlet of the solar collector, the inlet end of pipeline D is connected to the outlet of the solar collector, and the outlet end is connected to the solar return water outlet of the heat storage tank, wherein pipeline C and pipeline A are connected in parallel with each other at the inlet of the solar collector, and pipeline D and pipeline B are connected in parallel with each other at the outlet of the solar collector, and corresponding valves are provided on each pipeline.

[0009] Furthermore, the heat supply pipeline includes pipeline E and pipeline F, wherein the inlet end of pipeline E is connected to the heat supply outlet of the hot water storage tank, and the outlet end is connected to the hot water storage tank; the inlet end of pipeline F is connected to the hot water storage tank, and the outlet end is connected to the heating return water outlet, which is connected in parallel with the external heating pipeline at the heating return water outlet.

[0010] Furthermore, a ground source heat pump is provided on the heat supply pipeline between the hot water storage tank and the hot water storage pool. The ground source heat pump divides the pipeline E into pipeline Ea and pipeline Eb, and divides the pipeline F into pipeline Fa and pipeline Fb. The ground source heat pump includes a first water inlet, a second water inlet, a first water outlet and a second water outlet, wherein the inlet end of the pipeline Ea is connected to the heat supply outlet of the hot water storage tank, and the outlet end is connected to the first water inlet of the ground source heat pump, the inlet end of the pipeline Eb is connected to the first water outlet of the ground source heat pump, and the outlet end is connected to the heat supply outlet of the hot water storage tank. In the water pool, the inlet end of pipeline Fa is connected to the hot water storage pool, and the outlet end is connected to the second water inlet of the ground source heat pump. The inlet end of pipeline Fb is connected to the second water outlet of the ground source heat pump, and the outlet end is connected in parallel to the heating return water outlet. The outlet end of pipeline Eb is connected in parallel to the outlet of pipeline B, and the connection between the two is located between the outlet end of pipeline B and the corresponding valve on pipeline B. The inlet end of pipeline Fa is connected in parallel to the inlet of pipeline A, and the connection between the two is located between the inlet end of pipeline A and the corresponding valve on pipeline A.

[0011] Furthermore, the water pump includes a well water pump, an air conditioning pump, a heating pump and a solar pump, wherein the well water pump is arranged between the inlet end of pipeline Fa and the inlet end of pipeline A at the inlet of pipeline A, the air conditioning pump is arranged on pipeline Ea, the heating pump is arranged at the heating outlet of the hot water storage tank, and the solar pump is arranged at the inlet of pipeline C, and corresponding filters are provided on the pipelines at the inlet ends of each water pump.

[0012] Furthermore, corresponding check valves are added to the outlet ends of the air-conditioning pump, heating pump and solar pump, and corresponding water pump valves are provided at the inlet end of the filter corresponding to the well water pump. Pipeline C and pipeline C are added in parallel on pipeline C, and their inlet ends are connected in parallel on the corresponding pipeline C between the solar pump and its corresponding filter, and their outlet ends are connected in parallel between the corresponding valve on pipeline C and the check valve corresponding to the solar pump. A manual drain valve is provided on pipeline C, and an automatic drain valve is provided on pipeline C.

[0013] Furthermore, a solar exhaust port connected in parallel with pipeline C and pipeline A is provided at the outlet of the solar collector.

[0014] Furthermore, the heat storage tank is built underground, its interior is treated with anti-seepage treatment, and its top is treated with thermal insulation treatment.

[0015] The utility model discloses a solar inter-seasonal heat storage heating system which adjusts the traditional solar thermal plus ground source heat pump heating mode to a combination of solar thermal plus ground source heat pump plus a hot water storage pool. It stores solar energy in the season with sufficient heat and releases it again during the heating period to supplement the heating needs during the heating period, thus realizing solar inter-seasonal heat storage, increasing the water inlet temperature of the ground source heat pump during the heating period, reducing its energy consumption, reducing the energy consumption of traditional non-renewable energy during the heating period, saving part of the heating energy, improving the utilization rate of solar energy, a safe and environmentally friendly energy, alleviating the energy supply pressure during the heating period, and reducing part of the economic pressure of users for heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Explanation of the markings in the figure: 1. Solar collector; 11. Solar exhaust port; 2. Valve; 21. Check valve; 22. Water pump valve; 23. Manual drain valve; 24. Automatic drain valve; 3. Heat storage pipeline; 31. Pipeline A; 32. Pipeline B; 4. Heating pipeline; 41. Pipeline C; 411. Pipeline Ca; 412. Pipeline Cb; 42. Pipeline D; 5. Supplementary heat pipeline; 51. Pipeline E; 511. Pipeline Ea; 512. Pipeline Eb; 52. Pipeline F; 521. Pipeline Fa; 522. Pipe Route Fb; 6. Heat water storage tank; 61. Solar water return port; 62. Heating water return port; 63. Solar water outlet; 64. Heating water outlet; 65. Domestic hot water outlet; 66. Supplementary heating outlet; 67. Tap water inlet; 68. Water tank exhaust port; 69. Supplementary water port; 7. Heat water storage tank; 8. Ground source heat pump; 81. First water inlet; 82. Second water inlet; 83. First water outlet; 84. Second water outlet; 9. Well water pump; 91. Air conditioning pump; 92. Heating pump; 93. Solar pump; 94. Filter. DETAILED DESCRIPTION

[0018] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of the solar inter-seasonal heat storage heating system of the present invention in conjunction with the accompanying drawings.

[0019] like Figure 1 As shown, the solar inter-seasonal heat storage heating system of the present invention includes a solar thermal collector 1, a hot water storage tank 7, a ground source heat pump 8 and a hot water storage tank 6. The various devices are connected by a plurality of corresponding pipelines, and corresponding water pumps and valves 2 are provided on the corresponding pipelines, wherein the water pump provides flow force for the water in the corresponding pipeline, and the valve 2 can control the direction of the water flow in the pipeline. By controlling the direction of the water flow in the pipeline, the heating system is put into different states. In this embodiment, the heating system mainly includes two states: heat storage and heating. According to the pipelines through which the water flows in different states of the heating system, the pipelines include heat storage pipelines 3, heating pipelines 4 and heat supplement pipelines 5, all of which are composed of a plurality of corresponding pipelines. The heat storage pipeline 3 connects the solar thermal collector 1 and the hot water storage tank 7, so that the solar thermal collector 1 can heat the water in the hot water storage tank 7, thereby storing heat for the hot water storage tank 7, and the heating pipeline 4 connects the solar thermal collector 1 and the hot water storage tank 6, so that the solar thermal collector The heater 1 can heat the water in the hot water storage tank 6 and then store its heat in the hot water storage tank 6, wherein the hot water storage tank 6 is provided with multiple interfaces for replacing it with an external water source. When needed, the hot water storage tank 6 can obtain water replenishment through its interface, or it can supply water to where it is needed. The hot water storage tank 6 is also connected to the hot water storage tank 7 through a heat supply pipe 5. When the heat provided by the solar collector 1 is not enough to support the needs of the hot water storage tank 6, the water in the hot water storage tank 7 is passed into the hot water storage tank 6 through the heat supply pipe 5 to supplement its heat. A ground source heat pump 8 is provided on the heat supply pipe 5 between the hot water storage tank 6 and the hot water storage tank 7. The ground source heat pump 8 can not only directly supplement the heat for the water in the hot water storage tank 6 through the heat supply pipe 5, but also, when the heat of the water in the hot water storage tank 7 is not enough to meet the needs of the hot water storage tank 6, heat the water in the hot water storage tank 7 and then pass it into the hot water storage tank 6, so as to ensure that the hot water in the hot water storage tank 6 meets the supply needs.

[0020] The heat storage pipeline 3 includes a pipeline A31 and a pipeline B32, wherein the pipeline A31 is a water inlet pipeline, the inlet end of which is connected to the hot water storage tank 7, and the outlet end of which is connected to the inlet of the solar thermal collector 1. The water in the hot water storage tank 7 flows into the solar thermal collector 1 through the pipeline A31. The pipeline B32 is a water outlet pipeline, the inlet end of which is connected to the outlet of the solar thermal collector 1, and the outlet end of which is connected to the hot water storage tank 7. The water in the solar thermal collector 1 flows into the hot water storage tank 7 through the pipeline B32. In this way, the two ends of the pipeline A31 and the pipeline B32 are respectively It is connected to the solar thermal collector 1 and the hot water storage tank 7 to form a closed loop connected end to end, so that the water in the hot water storage tank 7 can continuously flow to the solar thermal collector 1 through the pipe A31, and then flow back to the hot water storage tank 7 through the pipe B32 after being heated in the solar thermal collector 1. In this reciprocating cycle, the solar thermal collector 1 continuously heats the water in the pool to achieve the purpose of storing heat for the hot water storage tank 7. Especially in summer when the solar energy is sufficient, the solar energy can be used to store more heat for the hot water storage tank 7 for subsequent thermal energy utilization.

[0021] The heat storage tank 6 is provided with multiple interfaces, including a tap water inlet 67, a solar water return port 61, a heating water return port 62, a solar water outlet 63, a heating water outlet 64, a domestic hot water outlet 65 and a supplementary heat water outlet 66. The heat storage tank 6 is connected to the corresponding heating pipe 4 through its solar water outlet 63 and the solar water return port 61, and then connected to the solar collector 1. This can not only enable the solar collector 1 to provide heat energy for the heat storage tank 6 when it is exposed to sunlight, so that the water inside it is converted into hot water storage, but also enable the water in the solar collector 1 and part of the heating pipe 4 to flow when the external temperature is too low. The water is discharged back to the hot water storage tank 6 through the solar water return port 61, so as to prevent the solar collector 1 or the corresponding part of the pipeline from freezing due to the low external temperature. It can also reduce the heat exchange between the hot water in the hot water storage tank 6 and the water in the heating pipeline 4 corresponding to the solar collector 1 when the external temperature is too low, thereby keeping the hot water in the hot water storage tank 6 warm. The hot water storage tank 6 is connected to the corresponding tap water pipeline through the tap water inlet 67. The tap water in the external tap water pipeline enters the hot water storage tank 6 through the tap water inlet 67. The tap water and the hot water stored in the hot water storage tank 6 are exchanged for heat and then flow out through the domestic hot water outlet 65. In order to provide users with drinkable domestic hot water, the hot water storage tank 6 is connected to the corresponding heating pipeline through its heating return water port 62 and heating water outlet 64, and then the room is heated by the external heating pipeline during the winter heating period. The hot water storage tank 6 is connected to the corresponding heating pipeline 5 through the heating outlet 66 and then connected to the ground source heat pump 8 and the hot water storage tank 7. The water in the hot water storage tank 6 can flow into the ground source heat pump 8 and the hot water storage tank 7 through the heating outlet 66. The ground source heat pump 8 and the hot water storage tank 7 are connected to the heating return water port 62 of the hot water storage tank 6 through the corresponding heating pipeline 5. Water flows back into the hot water storage tank 6 through the heating return water port 62 to replenish heat when needed. In addition, the hot water storage tank 6 is also provided with a water tank exhaust port 68 and a water replenishment port 69. When necessary, excess water vapor in the hot water storage tank 6 is discharged through the water tank exhaust port 68 to prevent excessive hot steam in the hot water storage tank 6 from causing danger. The inlet end of the water replenishment port 69 is connected in parallel to the domestic hot water outlet 65. Tap water can be replenished into the hot water storage tank 6 through the water replenishment port 69 to meet the water source demand of the hot water storage tank 6, and a corresponding valve 2 is provided at the inlet end of the water replenishment port 69 to control the flow of tap water to the water replenishment port 69.

[0022] The heating pipeline 4 includes a pipeline C41 and a pipeline D32, wherein the inlet end of the pipeline C41 is connected to the solar water outlet 63 of the heat storage tank 6, and the outlet end is connected to the inlet of the solar collector 1; the inlet end of the pipeline D32 is connected to the outlet of the solar collector 1, and the outlet end is connected to the solar return water outlet 61 of the heat storage tank 6; the water in the heat storage tank 6 flows into the solar collector 1 through the pipeline C41, absorbs solar energy and heats in the solar collector 1, and then flows back to the heat storage tank 6 through the pipeline D32, and is then used; wherein the pipeline C41 and the pipeline A31 are connected in parallel with each other at the inlet of the solar collector 1, and the pipeline D32 and the pipeline B32 are connected in parallel with each other at the outlet of the solar collector 1; each pipeline is provided with a corresponding valve 2, and the direction of the water flow in the pipeline is controlled by the valve 2, so that the direction of the water flow in each pipeline does not affect each other.

[0023] The heat supply pipeline 5 includes a pipeline E51 and a pipeline F52, wherein the inlet end of the pipeline E51 is connected to the heat supply outlet 66 of the hot water storage tank 6, and the outlet end is connected to the hot water storage tank 7. The inlet end of the pipeline F52 is connected to the hot water storage tank 7, and the outlet end is connected to the heating return water port 62. It is connected in parallel with the external heating pipeline at the heating return water port 62. The water in the hot water storage tank 6 flows into the hot water storage tank 7 through the pipeline E51, and the water in the hot water storage tank 7 flows into the hot water storage tank 6 through the pipeline F52, and then is used. The ground source heat pump 8 is set on the heat supply pipeline 5 between the hot water storage tank 6 and the hot water storage tank 7, which connects the pipeline E51 to the hot water storage tank 7. 51 is divided into pipeline Ea511 and pipeline Eb512, and pipeline F52 is divided into pipeline Fa521 and pipeline Fb522. The ground source heat pump 8 includes a first water inlet 81, a second water inlet 82, a first water outlet 83 and a second water outlet 84. The inlet end of the pipeline Ea511 is connected to the heat supply outlet 66 of the hot water storage tank 6, and the outlet end is connected to the first water inlet 81 of the ground source heat pump 8. The inlet end of the pipeline Eb512 is connected to the first water outlet 83 of the ground source heat pump 8, and the outlet end is connected to the hot water storage tank 7. The inlet end of the pipeline Fa521 is connected to the hot water storage tank 7, and the outlet end is connected to At the second water inlet 82 of the ground source heat pump 8, the inlet end of the pipeline Fb522 is connected to the second water outlet 84 of the ground source heat pump 8, and the outlet end is connected in parallel to the heating return water inlet 62. In this embodiment, the outlet end of the pipeline Eb512 is connected in parallel to the outlet of the pipeline B32, and the connection between the two is located between the outlet end of the pipeline B32 and the corresponding valve 2 on the pipeline B32. The inlet end of the pipeline Fa521 is connected in parallel to the inlet of the pipeline A31, and the connection between the two is located between the inlet end of the pipeline A31 and the corresponding valve 2 on the pipeline A31. After the water in the hot water storage tank 6 flows into the ground source heat pump 8 through the pipeline Ea511, It can be heated by the ground source heat pump 8 and then flow back to the hot water storage tank 6 through the pipeline Fb522 to replenish heat for the hot water storage tank 6, or it can flow into the hot water storage tank 7 through the pipeline Eb512, and the water in the hot water storage tank 7 flows into the ground source heat pump 8 through the pipeline Fa521. If the heat of the water in the hot water storage tank 7 is sufficient, it can directly flow into the hot water storage tank 6 through the pipeline Fb522. If the heat of the water in the hot water storage tank 7 is insufficient, the ground source heat pump 8 will work to heat it and then flow into the hot water storage tank 6 through the pipeline Fb522. After replenishing the heat for the water in the hot water storage tank 6 through the heat replenishment pipeline 5, the water in the hot water storage tank 6 can be used.

[0024] The water pumps include a well water pump 9, an air conditioning pump 91, a heating pump 92 and a solar pump 93, wherein the well water pump 9 is arranged between the inlet end of the pipeline Fa521 and the inlet end of the pipeline A31 at the inlet of the pipeline A31. Under its action, the water in the hot water storage tank 7 flows into the corresponding pipeline, which provides power for the flow of water in the lower hot water storage tank 7 in the pipeline. The air conditioning pump 91 is arranged on the pipeline Ea511, which provides power for the water in the hot water storage tank 6 to flow to the heat supply pipeline 5. The heating pump 92 is arranged at the heating water outlet 64 of the hot water storage tank 6, which provides power for the flow of water in the hot water storage tank 6 in the external heating pipeline. The solar pump 93 is arranged at the inlet of the pipeline C41, which provides power for the flow of water in the hot water storage tank 6 in the pipeline C41, so that it flows to the solar collector 1. Corresponding filters 94 are provided on the pipelines at the inlet ends of each water pump to prevent impurities in the water from damaging the water pumps.

[0025] Furthermore, each pipeline is provided with a corresponding valve 2, which controls the direction of water flow in the pipeline. In addition, corresponding check valves 21 are added to the outlet ends of the air conditioning pump 91, the heating pump 92 and the solar pump 93 to prevent the water in the pipeline from flowing back. A corresponding water pump valve 22 is provided at the inlet end of the corresponding filter 94 of the well water pump 9 to control the flow of water in the corresponding pipeline to the water pump. Parallel pipelines Ca411 and Cb412 are added to pipeline C41, wherein the inlet ends of the two are connected in parallel to the corresponding pipeline C41 between the solar pump 93 and its corresponding filter 94. The outlet ends of pipeline Ca411 and pipeline Cb412 are connected in parallel between the corresponding valve 2 on pipeline C41 and the check valve 21 corresponding to the solar pump 93. Pipeline Ca411 is provided with a manual drain valve 23, and pipeline Cb412 is provided with an automatic drain valve 24, which is used for the backflow of part of the water in the solar collector 1 and the corresponding heating pipeline 4 to the hot water storage tank 6 before the low temperature at night, preventing the pipeline from freezing while keeping warm. The setting of each valve 2 facilitates the control of the water flow direction in the pipeline, and is also beneficial to the management of the heating system by the staff, and facilitates the repair and maintenance of the heating system by the staff.

[0026] Furthermore, the hot water storage tank 7 is built underground, its interior is treated for anti-seepage, and its top is treated for heat preservation. In this embodiment, the interior of the hot water storage tank 7 is treated for anti-seepage using a polyvinyl chloride coated fabric membrane.

[0027] Furthermore, a solar exhaust port 11 connected in parallel with the pipeline C41 and the pipeline A31 is provided at the outlet of the solar thermal collector 1 to prevent danger caused by excessive hot steam in the solar thermal collector 1 .

[0028] When in use, the solar inter-seasonal heat storage heating system of the present invention mainly includes two states: heat storage and heating. When in the heat storage state, the heat storage pipeline 3 works, and the water in the hot water storage tank 7 is passed into the solar thermal collector 1 through the pipeline A31 under the action of the well water pump 9. After being heated by the solar energy absorbed by the solar thermal collector 1, it flows back to the hot water storage tank 7 through the pipeline B32, thereby completing the heat storage of the hot water storage tank 7. When in the heating state, the heating pipeline 4 works first, and the water in the hot water storage tank 6 is passed into the solar thermal collector 1 through the pipeline C41 under the action of the solar pump 93. After being heated by the solar energy absorbed by the solar thermal collector 1, it flows back to the hot water storage tank 6 through D. The hot water is stored in the hot water storage tank 6, and then flows into the external heating pipeline through the heating pump 92 when needed for room heating, or exchanges heat with tap water. After the tap water is heated For external domestic hot water use, when the heat provided by the solar collector 1 is not enough to support the hot water supply demand of the hot water storage tank 6, the heat supply pipeline 5 starts to work, and the heat supply pipeline 5 replenishes heat for the water in the hot water storage tank 6 under the operation of pipeline E51 and pipeline F52, so that the hot water in the hot water storage tank 6 can be used where it is needed. In this embodiment, the solar collector 1 mainly works when there is light, storing heat for the hot water storage tank 7 or heating the hot water storage tank 6, especially in the summer when the sunlight is relatively sufficient, and the heat storage tank 7 has the best heat storage effect. In winter when there is less light and the temperature is lower, the heating system gradually releases the heat stored in the hot water storage tank 7 to make up for the energy shortage caused by insufficient light during the winter heating period. When the heat of the hot water storage tank 7 is not enough to make up for the energy demand, the floor heating heat pump is started to make up for the heat demand gap during the heating period.

[0029] The utility model adopts a solar inter-seasonal heat storage heating system that combines solar thermal energy, ground source heat pump 8 and hot water storage tank 7. The inter-seasonal hot water storage tank 7 is used to utilize solar heat in seasons with abundant heat, such as solar heat in spring, summer and autumn, and store it in the hot water storage tank 7. During the heating period, the heat energy stored in the hot water storage tank 7 is released to supplement the heating needs of the heating system, thereby realizing solar inter-seasonal heat storage and reducing energy consumption during the heating period. Solar energy is safe, environmentally friendly and renewable. The utility model improves the development and utilization rate of solar energy, reduces the energy consumption of the ground source heat pump 8 during winter heating, saves traditional heating energy, and alleviates the pressure on energy supply.

[0030] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A solar inter-seasonal heat storage heating system, characterized in that: The invention comprises a solar thermal collector (1), a heat storage tank (7), and a heat storage tank (6), wherein each device is connected via a plurality of corresponding pipelines, wherein the pipelines include a heat storage pipeline (3) connecting the solar thermal collector (1) and the heat storage tank (7), a heating pipeline (4) connecting the solar thermal collector (1) and the heat storage tank (6), and a heat supply pipeline (5) connecting the heat storage tank (6) and the heat storage tank (7), wherein the heat storage tank (6) is provided with a plurality of interfaces for external water source replacement, and each pipeline is provided with a corresponding valve (2) and a water pump for providing power for the water flow.

2. The solar inter-seasonal heat storage heating system according to claim 1 is characterized in that: The heat storage pipeline (3) comprises a pipeline A (31) and a pipeline B (32), wherein the inlet end of the pipeline A (31) is connected to the hot water storage tank (7), and the outlet end is connected to the inlet of the solar thermal collector (1); the inlet end of the pipeline B (32) is connected to the outlet of the solar thermal collector (1), and the outlet end is connected to the hot water storage tank (7).

3. The solar inter-seasonal heat storage heating system according to claim 2 is characterized in that: The multiple interfaces of the heat storage tank (6) include a solar water outlet (63) and a solar water return outlet (61) correspondingly connected to the heating pipeline (4), a tap water inlet (67) correspondingly connected to the external tap water pipeline, a heating water return outlet (62) and a heating water outlet (64) correspondingly connected to the external heating pipeline, a heat supply outlet (66) correspondingly connected to the heat supply pipeline (5), water in the heat supply pipeline (5) flows back into the heat storage tank (6) through the heating water return outlet (62), and a domestic hot water outlet (65) outputted after the tap water enters the heat storage tank (6) for heat exchange. In addition, the heat storage tank (6) is also provided with a water tank exhaust port (68) and a water supply port (69) for exhaust. The inlet end of the water supply port (69) is connected in parallel to the domestic hot water outlet (65) and is provided with a corresponding valve (2).

4. The solar inter-seasonal heat storage heating system according to claim 3 is characterized in that: The heating pipeline (4) comprises a pipeline C (41) and a pipeline D (42), wherein the inlet end of the pipeline C (41) is connected to the solar water outlet (63) of the heat storage tank (6), and the outlet end is connected to the inlet of the solar collector (1); the inlet end of the pipeline D (42) is connected to the outlet of the solar collector (1), and the outlet end is connected to the solar water return port (61) of the heat storage tank (6); wherein the pipeline C (41) and the pipeline A (31) are connected in parallel to each other at the inlet of the solar collector (1), and the pipeline D (42) and the pipeline B (32) are connected in parallel to each other at the outlet of the solar collector (1); and each pipeline is provided with a corresponding valve (2).

5. The solar inter-seasonal heat storage heating system according to claim 3 is characterized in that: The heat supply pipeline (5) comprises a pipeline E (51) and a pipeline F (52), wherein the inlet end of the pipeline E (51) is connected to the heat supply outlet (66) of the heat storage tank (6), and the outlet end is connected to the heat storage tank (7); the inlet end of the pipeline F (52) is connected to the heat storage tank (7), and the outlet end is connected to the heating return water outlet (62), and the pipeline F (52) is connected in parallel with the external heating pipeline at the heating return water outlet (62).

6. The solar inter-seasonal heat storage heating system according to claim 5, characterized in that: A ground source heat pump (8) is provided on the heat supply pipeline (5) between the hot water storage tank (6) and the hot water storage pool (7). The ground source heat pump (8) divides the pipeline E (51) into a pipeline Ea (511) and a pipeline Eb (512), and divides the pipeline F (52) into a pipeline Fa (521) and a pipeline Fb (522). The ground source heat pump (8) comprises a first water inlet (81), a second water inlet (82), a first water outlet (83) and a second water outlet (84). The inlet end of the pipeline Ea (511) is connected to the heat supply outlet (66) of the hot water storage tank (6), and the outlet end is connected to the first water inlet (81) of the ground source heat pump (8). The inlet end of the pipeline Eb (512) is connected to the first water outlet (83) of the ground source heat pump (8). The outlet end is connected to the hot water storage tank (7), the inlet end of the pipeline Fa (521) is connected to the hot water storage tank (7), the outlet end is connected to the second water inlet (82) of the ground source heat pump (8), the inlet end of the pipeline Fb (522) is connected to the second water outlet (84) of the ground source heat pump (8), the outlet end is connected in parallel to the heating return water port (62), and the outlet end of the pipeline Eb (512) is connected in parallel to the outlet of the pipeline B (32), and the connection point between the two is located between the outlet end of the pipeline B (32) and the corresponding valve (2) on the pipeline B (32), and the inlet end of the pipeline Fa (521) is connected in parallel to the inlet end of the pipeline A (31), and the connection point between the two is located between the inlet end of the pipeline A (31) and the corresponding valve (2) on the pipeline A (31).

7. The solar inter-seasonal heat storage heating system according to claim 6, characterized in that: The water pumps include a well water pump (9), an air conditioning pump (91), a heating pump (92) and a solar pump (93), wherein the well water pump (9) is arranged between the inlet end of the pipeline Fa (521) at the inlet of the pipeline A (31) and the inlet end of the pipeline A (31), the air conditioning pump (91) is arranged on the pipeline Ea (511), the heating pump (92) is arranged at the heating water outlet (64) of the hot water storage tank (6), and the solar pump (93) is arranged at the inlet of the pipeline C (41). Corresponding filters (94) are provided on the pipelines at the inlet ends of the water pumps.

8. The solar inter-seasonal heat storage heating system according to claim 7, characterized in that: The outlet ends of the air conditioning pump (91), the heating pump (92) and the solar pump (93) are all provided with corresponding check valves (21); the inlet end of the filter (94) corresponding to the well water pump (9) is provided with a corresponding water pump valve (22); a parallel pipeline Ca (411) and a pipeline Cb (412) are added to the pipeline C (41); the inlet ends of the two pipelines are connected in parallel to the pipeline C (41) corresponding to the solar pump (93) and its corresponding filter (94); the outlet ends are connected in parallel between the corresponding valve (2) on the pipeline C (41) and the check valve (21) corresponding to the solar pump (93); a manual drain valve (23) is provided on the pipeline Ca (411), and an automatic drain valve (24) is provided on the pipeline Cb (412).

9. The solar inter-seasonal heat storage heating system according to claim 3, characterized in that: A solar exhaust port (11) connected in parallel with the pipeline C (41) and the pipeline A (31) is provided at the outlet of the solar heat collector (1).

10. The solar inter-seasonal heat storage heating system according to claim 1, characterized in that: The hot water storage tank (7) is built underground, its interior is treated with anti-seepage treatment, and its top is treated with thermal insulation treatment.

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