Heat supply and heat collection water boiler heat compensation system with efficient solar heat collector coupled with heat storage water tank
By introducing phase change material modules into solar collectors and hot water storage tanks, and combining them with hot water boilers, the problems of unstable heating from solar collectors and the large size and high cost of hot water storage tanks have been solved, achieving efficient and stable heat energy supply.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing solar collectors suffer from unstable heating and traditional hot water storage tanks are large and expensive.
The phase change unit is combined with a solar collector and a hot water storage tank, and connected through a pipeline distribution system. The phase change material is used to increase the energy storage density, and combined with a hot water boiler, it provides a stable supply of heat energy.
It improves heat storage capacity, reduces the volume and cost of hot water storage tanks, ensures the continuity and stability of heating supply, and enhances system efficiency.
Smart Images
Figure CN224050684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of solar heat energy utilization and heat storage, especially relates to a high -efficient solar energy heat collector coupling heat storage pond heating heat collecting water boiler heat supplement system. BACKGROUND
[0002] At present, solar energy heat collector absorbs solar energy and heats water in the daytime, but due to the instability of solar energy, it cannot continuously and stably heat. The traditional heat storage pond occupies a large volume and is high in cost. CONTENT
[0003] The utility model discloses a high -efficient solar energy heat collector coupling heat storage pond heating heat collecting water boiler heat supplement system, which combines the phase change unit with the solar heat collector coupling heat storage pond heating system, can improve the energy storage density of the solar heat collector, and can solve the problem of unstable heat supply of the solar heat collector, while reducing the volume and cost of the heat storage pond.
[0004] The utility model discloses a high -efficient solar energy heat collector coupling heat storage pond heating heat collecting water boiler heat supplement system, which combines the phase change unit with the solar heat collector coupling heat storage pond heating system, can improve the energy storage density of the solar heat collector, and can solve the problem of unstable heat supply of the solar heat collector, while reducing the volume and cost of the heat storage pond.
[0005] A high -efficient solar energy heat collector coupling heat storage pond heating heat collecting water boiler heat supplement system, characterized by: including solar energy heat collector, phase change heat storage pond, user side, hot water boiler and pipeline transportation and distribution system, the solar energy heat collector is connected through the pipeline transportation and distribution system between phase change heat storage pond, phase change heat storage pond is connected through the pipeline transportation and distribution system between user side, the solar energy heat collector is connected through the pipeline transportation and distribution system between user side, the hot water boiler is connected through the pipeline transportation and distribution system between user side, the phase change heat storage pond includes pool body, high temperature water distributor, low temperature return water device, phase change unit and partition net, the high temperature water distributor is arranged in the upper region of pool body, the low temperature return water device is arranged in the lower region of pool body, the high temperature water distributor is connected with hot water inlet and outlet pipe, the low temperature return water device is connected with cold water inlet and outlet pipe, the hot water inlet and outlet pipe and cold water inlet and outlet pipe are connected with phase change heat storage pond respectively, the partition net divides pool body into two regions of upper and lower, and the upper region of pool body is phase change area, a plurality of phase change units are equipped in the phase change area.
[0006] Preferably, the phase change heat storage pond pool body side wall and bottom are provided with a lining, and a lining pressing plate is fixed on the lining.
[0007] Preferably, a heat preservation pit cover is installed on the top of the phase change heat storage pond pool body.
[0008] Preferably, the phase change heat storage pond is a rectangular cross-section pyramid stump structure.
[0009] Preferably, the phase change unit is a spherical structure.
[0010] Preferably, the pipeline distribution system comprises plate heat exchanger one, plate heat exchanger two, plate heat exchanger three, water pump one, water pump two, water pump three, water pump four, water pump five, solar collector side supply and return pipeline, phase change heat storage pool side supply and return pipeline one, phase change heat storage pool side supply and return pipeline two, user side supply and return pipeline one, user side supply and return pipeline two, hot water boiler side supply and return pipeline, bypass pipeline one and bypass pipeline two, the water pump one is arranged in the solar collector side supply and return pipeline, the water pump two is arranged in the phase change heat storage pool side supply and return pipeline one, the water pump three is arranged in the phase change heat storage pool side supply and return pipeline two, the water pump four is arranged in the hot water boiler side supply and return pipeline, the water pump five is arranged at the end of the user side supply and return pipeline one and the user side supply and return pipeline two, the solar collector is connected with the phase change heat storage pool through the solar collector side supply and return pipeline, the plate heat exchanger one and the phase change heat storage pool side supply and return pipeline one, the phase change heat storage pool is connected with the user side through the phase change heat storage pool side supply and return pipeline two, the plate heat exchanger two and the user side supply and return pipeline one, the solar collector is connected with the user side through the solar collector side supply and return pipeline, the plate heat exchanger one, the phase change heat storage pool side supply and return pipeline one, the bypass pipeline one, the bypass pipeline two and the user side supply and return pipeline one, the hot water boiler is connected with the user side through the hot water boiler side supply and return pipeline, the plate heat exchanger three and the user side supply and return pipeline two, the bypass pipeline one is arranged between the phase change heat storage pool side supply and return pipeline one and the user side supply and return pipeline one, and the bypass pipeline two is arranged between the phase change heat storage pool side supply and return pipeline two and the user side supply and return pipeline one.
[0011] The utility model has the following advantages:
[0012] 1. The phase change material module is arranged in the heat storage pool, the system significantly improves the heat storage capacity, the same volume of heat storage pool can store more heat, thereby providing longer heat supply when the solar collector is insufficient.
[0013] 2. The high energy density of the phase change material module significantly improves the heat storage capacity without increasing the volume, the same volume of heat storage pool can store more heat, or the total volume of the heat storage pool can be reduced under the premise of the same heat storage capacity, thereby saving space, reducing the cost of civil engineering and materials, and reducing the cost of the whole system. Meanwhile, the stable thermodynamic properties of the phase change material make the system run more reliably and have lower maintenance cost.
[0014] 3. The solar collector operates efficiently during the day, and the phase change heat storage pool and the hot water boiler provide stable heat supply at night or when the solar energy is insufficient. The multi-mode operation not only improves the overall efficiency of the system, but also ensures the continuity and stability of the heat supply, thereby meeting the heat supply demand under different time periods and weather conditions. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a principle block diagram of the present application;
[0016] Figure 2 is a heat supply mode operation loop diagram of the solar heat collector;
[0017] Figure 3 is a heat supply-hot water boiler heat supplement mode operation loop diagram of the phase change heat storage pool;
[0018] Figure 4 is a heat storage mode operation loop diagram of the phase change heat storage pool;
[0019] Figure 5 is a structure schematic diagram of the phase change heat storage pool.
[0020] Figure 6 is a structure top view of the phase change heat storage pool partition net;
[0021] In the figure, 1 is a solar heat collector, 201 is a high temperature water distributor, 202 is a low temperature water returner, 203 is a hot water inlet and outlet pipe, 204 is a cold water inlet and outlet pipe, 205 is a phase change unit, 206 is a partition net, 207 is a pipe foundation pit, 208 is a soil foundation, 209 is a lining, 210 is a lining pressing plate, 211 is a heat preservation pit cover, 3 is a user side, 4 is a hot water boiler, 51 is a plate heat exchanger one, 52 is a plate heat exchanger two, 53 is a plate heat exchanger three, 61 is a water pump one, 62 is a water pump two, 63 is a water pump three, 64 is a water pump four, 65 is a water pump five, 71 is a solar heat collector side supply and return pipe line, 72 is a phase change heat storage pool side supply and return pipe line one, 73 is a phase change heat storage pool side supply and return pipe line two, 74 is a user side supply and return pipe line one, 75 is a user side supply and return pipe line two, 76 is a hot water boiler side supply and return pipe line, 81 is a bypass pipe line one, and 82 is a bypass pipe line two. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based upon these embodiments of the application, all other embodiments obtained by persons of ordinary skill in the art without having creative work are within the scope of the application.
[0024] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.
[0025] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.
[0027] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "set", "arrange", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] Reference Figures 1-6 As shown in the drawings, the present application provides a high-efficiency solar heat collector coupled heat storage water tank heating heat collecting water boiler heat supply system, which comprises a solar heat collector 1, a phase change heat storage water tank, a user side 3, a hot water boiler 4 and a pipeline transportation and distribution system;
[0029] The pipeline distribution system comprises a plate heat exchanger 51, a plate heat exchanger 52, a plate heat exchanger 53, a water pump 61, a water pump 62, a water pump 63, a water pump 64, a water pump 65, a solar collector side supply and return pipeline 71, a phase change heat storage pool side supply and return pipeline 72, a phase change heat storage pool side supply and return pipeline 73, a user side supply and return pipeline 74, a user side supply and return pipeline 75, a hot water boiler side supply and return pipeline 76, a bypass pipeline 81 and a bypass pipeline 82, the water pump 61 is arranged in the solar collector side supply and return pipeline 71, the water pump 62 is arranged in the phase change heat storage pool side supply and return pipeline 72, the water pump 63 is arranged in the phase change heat storage pool side supply and return pipeline 73, the water pump 64 is arranged in the hot water boiler side supply and return pipeline 76, and the water pump 65 is arranged at the end of the user side supply and return pipeline 74 and the user side supply and return pipeline 75;
[0030] The solar collector 1 and the phase change heat storage pool are connected through the solar collector side supply and return pipeline 71, the plate heat exchanger 51 and the phase change heat storage pool side supply and return pipeline 72;
[0031] The phase change heat storage pool and the user side 3 are connected through the phase change heat storage pool side supply and return pipeline 73, the plate heat exchanger 52 and the user side supply and return pipeline 74;
[0032] The solar collector 1 and the user side 3 are connected through the solar collector side supply and return pipeline 71, the plate heat exchanger 51, the phase change heat storage pool side supply and return pipeline 72, the bypass pipeline 81, the bypass pipeline 82 and the user side supply and return pipeline 74;
[0033] The hot water boiler 4 and the user side 3 are connected through the hot water boiler side supply and return pipeline 76, the plate heat exchanger 53 and the user side supply and return pipeline 75;
[0034] The bypass pipeline 81 is arranged between the phase change heat storage pool side supply and return pipeline 72 and the user side supply and return pipeline 74, and the bypass pipeline 82 is arranged between the phase change heat storage pool side supply and return pipeline 73 and the user side supply and return pipeline 74;
[0035] The phase change heat storage pool comprises a high-temperature water distributor 201, a low-temperature water returner 202, a phase change unit 205, a separation net 206, a hot water inlet and outlet pipe 203, a cold water inlet and outlet pipe 204, a liner 209, a liner pressing plate 210 and a heat preservation pit cover 211;
[0036] The phase change heat storage pool is a pyramid stump structure with rectangular cross section, the liner 209 is arranged on the side wall and bottom of the phase change heat storage pool, a material with good water resistance, high temperature resistance, low cost and long service life is selected, the liner pressing plate 210 is arranged on the ground to fix the liner 209, the heat preservation pit cover 211 is arranged on the top of the phase change heat storage pool, a material with high thermal conductivity, high moisture resistance, high temperature resistance, low density, low cost and easy installation is selected;
[0037] Further, the separation net 206 is a net structure, and the pool body is divided into upper and lower regions, the upper region of the pool body is a phase change region, a plurality of phase change units 205 are arranged in the phase change region, and the phase change unit 205 is a spherical structure and encapsulates a phase change material with a phase change temperature of 65-70 DEG C.
[0038] In the specific setting, the diameter of the phase change unit 205 is greater than the grid gap of the separation net 206, so that the phase change unit 205 only flows in the phase change region of the phase change heat storage pool.
[0039] The high-temperature water distributor 201 is fixed on the upper region of the pool body of the phase change heat storage pool by a support, the low-temperature water returner 202 is fixed on the lower region of the pool body of the phase change heat storage pool by a support, the high-temperature water distributor is connected with the hot water inlet and outlet pipe 203, the low-temperature water returner is connected with the cold water inlet and outlet pipe 204, the hot water inlet and outlet pipe 203 passes through the heat preservation pit cover 211 and is connected with the end of the phase change heat storage pool side supply and return pipeline one 72, and the cold water inlet and outlet pipe 204 is buried in the pipeline foundation pit 207 and is connected with the end of the phase change heat storage pool side supply and return pipeline two 73.
[0040] The heat storage method of the utility model is to control the start and stop of the water pump and the on-off of different supply and return pipelines to realize the switching of different operation modes of the heat supply system, and the system operation modes include: solar collector heat supply mode, phase change heat storage pool heat supply-hot water boiler heat supplement mode and phase change heat storage pool heat storage mode.
[0041] Specifically, the richness of solar energy and the heat demand of the user group are comprehensively used as the judgment condition, and the system operation logic is as follows:
[0042] When the solar energy is sufficient and the user group has demand, the solar collector heating mode is entered. At this time, the water pump 1 61, the water pump 2 62 and the water pump 5 65 are started, the water pump 3 63 and the water pump 4 64 are closed, the solar collector side supply and return pipeline 71 is circulated, the circulation loop is formed between the solar collector 1 and the plate heat exchanger 1 51, the phase change heat storage tank side supply and return pipeline 1 72, the bypass pipeline 1 81, the bypass pipeline 2 82 and the user side supply and return pipeline 1 74 are circulated, the circulation loop is formed between the user side 3 and the plate heat exchanger 1 51, the high-temperature water is flowed out from the solar collector 1, the low-temperature water is returned from the user group 3, and the heat exchange is completed in the plate heat exchanger 1 51.
[0043] When the solar energy is sufficient and the user group has demand, the solar collector heating mode is entered. At this time, the water pump 1 61, the water pump 2 62 and the water pump 5 65 are started, the water pump 3 63 and the water pump 4 64 are closed, the solar collector side supply and return pipeline 71 is circulated, the circulation loop is formed between the solar collector 1 and the plate heat exchanger 1 51, the phase change heat storage tank side supply and return pipeline 1 72, the bypass pipeline 1 81, the bypass pipeline 2 82 and the user side supply and return pipeline 1 74 are circulated, the circulation loop is formed between the user side 3 and the plate heat exchanger 1 51, the high-temperature water is flowed out from the solar collector 1, the low-temperature water is returned from the user group 3, and the heat exchange is completed in the plate heat exchanger 1 51.
[0044] When the solar energy is sufficient and the user group has demand, the solar collector heating mode is entered. At this time, the water pump 1 61, the water pump 2 62 and the water pump 5 65 are started, the water pump 3 63 and the water pump 4 64 are closed, the solar collector side supply and return pipeline 71 is circulated, the circulation loop is formed between the solar collector 1 and the plate heat exchanger 1 51, the phase change heat storage tank side supply and return pipeline 1 72, the bypass pipeline 1 81, the bypass pipeline 2 82 and the user side supply and return pipeline 1 74 are circulated, the circulation loop is formed between the user side 3 and the plate heat exchanger 1 51, the high-temperature water is flowed out from the solar collector 1, the low-temperature water is returned from the user group 3, and the heat exchange is completed in the plate heat exchanger 1 51.
[0045] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A high-efficiency solar collector coupled with a hot water storage tank for heating and boiler supplementation system, characterized in that: The application relates to a solar energy collecting device, which comprises a solar energy collector, a phase change heat storage pool, a user side, a hot water boiler and a pipeline transportation and distribution system, wherein the solar energy collector is connected with the phase change heat storage pool through the pipeline transportation and distribution system, the phase change heat storage pool is connected with the user side through the pipeline transportation and distribution system, the solar energy collector is connected with the user side through the pipeline transportation and distribution system, the hot water boiler is connected with the user side through the pipeline transportation and distribution system, the phase change heat storage pool comprises a pool body, a high-temperature water distributor, a low-temperature water returner, phase change units and a partition net, the high-temperature water distributor is arranged in the upper region of the pool body, the low-temperature water returner is arranged in the lower region of the pool body, the high-temperature water distributor is connected with hot water in-out pipes, the low-temperature water returner is connected with cold water in-out pipes, the hot water in-out pipes and the cold water in-out pipes are connected with the phase change heat storage pool respectively, and the partition net divides the pool body into upper and lower regions, wherein the upper region is a phase change region and a plurality of phase change units are arranged in the phase change region.
2. The high efficiency solar collector coupled with a thermal storage tank for heating and collecting water boiler for heating system according to claim 1, characterized in that: The pool body side wall surface and the bottom of the phase change heat storage pool are provided with a lining, and lining pressing plates are fixed on the lining.
3. The high efficiency solar collector coupled with a thermal storage tank for heating and collecting water boiler for heating system according to claim 1, characterized in that: A heat preservation pit cover is arranged on the top of the pool body of the phase change heat storage pool.
4. The high efficiency solar collector coupled with a thermal storage tank for heating and collecting water boiler for heating system according to claim 1, characterized in that: The phase change heat storage pool has a rectangular cross-section and a pyramid tree stump structure.
5. The high efficiency solar collector coupled with a thermal storage water tank for heating and collecting water boiler for heating system according to claim 1, characterized in that: The phase change units have a spherical structure.
6. The high efficiency solar collector coupled with a thermal storage tank for heating and collecting water in a boiler for heating system according to claim 1, characterized in that: The pipeline transportation and distribution system comprises a plate heat exchanger one, a plate heat exchanger two, a plate heat exchanger three, a water pump one, a water pump two, a water pump three, a water pump four, a water pump five, a solar energy collector side supply and return pipeline, a phase change heat storage pool side supply and return pipeline one, a phase change heat storage pool side supply and return pipeline two, a user side supply and return pipeline one, a user side supply and return pipeline two, a hot water boiler side supply and return pipeline, a bypass pipeline one and a bypass pipeline two, the water pump one is arranged in the solar energy collector side supply and return pipeline, the water pump two is arranged in the phase change heat storage pool side supply and return pipeline one, the water pump three is arranged in the phase change heat storage pool side supply and return pipeline two, the water pump four is arranged in the hot water boiler side supply and return pipeline, and the water pump five is arranged at the end of the user side supply and return pipeline one and the user side supply and return pipeline two; the solar energy collector and the phase change heat storage pool are connected through the solar energy collector side supply and return pipeline, the plate heat exchanger one and the phase change heat storage pool side supply and return pipeline one; the phase change heat storage pool and the user side are connected through the phase change heat storage pool side supply and return pipeline two, the plate heat exchanger two and the user side supply and return pipeline one; the solar energy collector and the user side are connected through the solar energy collector side supply and return pipeline, the plate heat exchanger one, the phase change heat storage pool side supply and return pipeline one, the bypass pipeline one, the bypass pipeline two and the user side supply and return pipeline one; the hot water boiler and the user side are connected through the hot water boiler side supply and return pipeline, the plate heat exchanger three and the user side supply and return pipeline two; the bypass pipeline one is arranged between the phase change heat storage pool side supply and return pipeline one and the user side supply and return pipeline one, and the bypass pipeline two is arranged between the phase change heat storage pool side supply and return pipeline two and the user side supply and return pipeline one.