Solar energy kitchen garbage fermentation bin

Abstract

The utility model relates to garbage treatment technical field, concretely to a solar energy kitchen garbage fermentation bin, including the shell body, the shell body rear end fixedly connected with the heat preservation and heat storage water tank, the shell body left side fixedly connected with the pretreatment box, the pretreatment box front end is provided with the hydraulic lifting mechanism, is provided with the pretreatment mechanism in the pretreatment box, the shell body inside fixedly connected with the support frame, the support frame inboard is provided with the aerobic fermentation mechanism, adds the fermentation bin to the inoculant through the feeding cover, detects the temperature of heat preservation and heat storage water tank through the probe of temperature controller, through the circulating pump control heat preservation and heat storage water tank inside hot water enters the circulating water pipe and circulates to adjust the temperature in the fermentation bin, make the temperature always keep in the suitable temperature that kitchen garbage fermentation process needs, satisfy the temperature, humidity and oxygen supply condition that kitchen garbage fermentation process needs, reduce the fermentation period, adapt the processing demand of kitchen garbage daily production daily clean.

Description

Technical Field

[0001] This utility model relates to the field of waste treatment technology, specifically a solar-powered kitchen waste fermentation chamber. Background Technology

[0002] Kitchen waste, a type of urban domestic waste in my country, is rich in moisture, organic matter, and nutrients. If traditional landfill or incineration methods are used, it will not only easily cause soil pollution, groundwater pollution, and greenhouse gas emissions, but also waste the recyclable resources contained therein. Therefore, converting kitchen waste into organic fertilizer through fermentation technology has become an important way to achieve the reduction, harmlessness, and resource utilization of kitchen waste. As the core equipment, the performance of the fermentation chamber directly determines the processing efficiency and resource recovery quality of kitchen waste.

[0003] In practical use, existing food waste fermentation chambers require suitable temperature, humidity, and oxygen supply conditions to be met simultaneously during the fermentation process. However, existing fermentation chambers have significant shortcomings in environmental control. On the one hand, temperature control is uneven, with localized areas prone to excessively high or low temperatures, leading to an imbalance in microbial activity and incomplete fermentation of food waste in some areas. On the other hand, the ventilation and stirring systems of most fermentation chambers are poorly designed, making it difficult to dynamically adjust the ventilation volume according to the fermentation stage. This can easily cause oxygen deficiency within the chamber, fostering the growth of anaerobic microorganisms and producing foul-smelling gases. Furthermore, insufficient stirring can cause food waste to clump together, hindering the transfer of heat and oxygen, further prolonging the fermentation cycle, and making it difficult to meet the daily processing requirements of food waste.

[0004] Therefore, we provide a solar-powered food waste fermentation chamber. Utility Model Content

[0005] To address the aforementioned technical problems, this application provides a solar-powered kitchen waste fermentation chamber, comprising an outer shell, a feeding cover rotatably connected to one side of the top of the outer shell, an insulated hot water storage tank fixedly connected to the rear end of the outer shell, a temperature controller fixedly connected to the top of the insulated hot water storage tank, a circulation pump fixedly connected to one side of the insulated hot water storage tank, a pretreatment chamber fixedly connected to the left side of the outer shell, a hydraulic lifting mechanism provided at the front end of the pretreatment chamber, a pretreatment mechanism provided inside the pretreatment chamber, a support frame fixedly connected inside the outer shell, a motor fixedly connected to the bottom of the support frame, and an aerobic fermentation mechanism provided inside the support frame.

[0006] In some embodiments, the aerobic fermentation mechanism includes a fermentation chamber fixedly connected to the top inner side of a support frame. A communication port is fixedly opened on the left side inside the fermentation chamber. A discharge chamber is fixedly connected to the front end of the fermentation chamber. A circulating water pipe is fixedly connected to the inner wall of the fermentation chamber. A stirring rod is provided inside the fermentation chamber. Several equally spaced mounting sections are fixedly sleeved on the outside of the stirring rod. A stirring rod is fixedly connected to each mounting section. A stirring shovel is fixedly connected to the end of each stirring rod. A drive gear is fixedly sleeved on one side of the stirring rod that penetrates the fermentation chamber. Oxygen supply ports are fixedly opened on both sides of the top front end of the fermentation chamber.

[0007] In some embodiments, one side of the stirring rod is rotatably connected to the inner wall of the fermentation chamber via a bearing, and the drive gear is connected to an output end of the motor via a transmission belt.

[0008] In some embodiments, the inlet end of the circulating water pipe is connected to the outlet end of the circulating pump, and the outlet end of the circulating water pipe is connected to the interior of the insulated hot water storage tank.

[0009] In some embodiments, the pretreatment mechanism includes a feeding hopper fixedly connected to the top of the pretreatment chamber. A feeding port is fixedly opened at the top of the feeding hopper. A guide plate is fixedly connected to one side of the feeding port. An anti-blocking roller is rotatably connected to the feeding port and located at the end of the guide plate. A crushing box is fixedly connected to the bottom of the feeding hopper. A crushing motor is fixedly connected to one side of the crushing box. Two meshing crushing rollers are provided inside the crushing box. A discharge hopper is fixedly connected to the bottom of the discharge hopper. A conveying cylinder is fixedly connected to the bottom of the conveying cylinder. A second motor is fixedly connected to one side of the conveying cylinder. An auger is provided inside the conveying cylinder. A drain pipe is fixedly connected to one side of the bottom of the conveying cylinder. An oil-water separator is fixedly connected to the end of the drain pipe. A support is fixedly connected to one side of the top of the oil-water separator. A water pump is fixedly connected to the top of the support. A water pump input is fixedly connected to a suction pipe. A sewage pipe is fixedly connected to the bottom of the oil-water separator.

[0010] In some embodiments, the input end of the crushing roller is fixedly connected to the output end of the crushing motor, the output end of the conveying cylinder is connected to the communication port opened on the left side inside the fermentation chamber, the input end of the auger is fixedly connected to the output of the second motor, and a one-way valve is provided on the sewage pipe.

[0011] In some embodiments, the hydraulic lifting mechanism includes a support plate fixedly connected to the front end of the pretreatment box. Guide rails are fixedly connected to both sides of the front end of the support plate. Guide grooves are fixedly opened on opposite sides of the two guide rails. A feeding slide is fixedly connected to the top of the two guide rails. Several guide rollers are arranged at equal intervals on opposite sides of the two guide rails. Each guide roller has hinges on both sides. A drive bracket is provided at the front end of the support plate. A support plate is fixedly connected to the bottom front end of the drive bracket. An inclined plate is rotatably connected to the front end of the support plate. A trash can is magnetically connected to the top of the support plate. A bidirectional drive motor is fixedly connected to the bottom inner side of the drive bracket. Rollers are rotatably connected to the upper and lower corners on both sides of the drive bracket.

[0012] In some embodiments, the position of the discharge chute corresponds to the position of the feed inlet, and the guide roller is engaged with a hinge.

[0013] In some embodiments, the output end of the bidirectional drive motor is engaged with a hinge, the drive bracket is slidably connected to a guide groove on the opposite side of the guide rail via a roller, and the trash can is magnetically connected to the tray.

[0014] In some embodiments, the input end of the insulated hot water storage tank is connected to an external vacuum tube solar collector, and the insulated hot water storage tank is electrically connected to an external power source via an electric wire.

[0015] This utility model has at least the following beneficial effects: This invention utilizes an aerobic fermentation mechanism, an insulated hot water storage tank, a temperature controller, and a circulation pump. After pretreatment, kitchen waste enters the fermentation chamber. Inoculants are then added through a feeding cover. A motor is started, rotating a stirring rod that, in conjunction with a stirring spatula, mixes the inoculants and kitchen waste evenly, preventing clumping and ensuring uniform heating. The temperature controller probe monitors the temperature, and the circulation pump controls the flow of hot water from the insulated hot water storage tank into the circulation pipes, regulating the temperature within the fermentation chamber and maintaining it within the optimal range required for fermentation. Simultaneously, the insulated hot water storage tank is connected to an external vacuum tube solar collector for energy conservation. Furthermore, in inclement weather, the hot water can be heated via an external power source, ensuring the required temperature, humidity, and oxygen supply for the fermentation process, reducing the fermentation cycle, and meeting the daily processing needs of kitchen waste. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the outer shell of this utility model; Figure 3 This is a schematic diagram of the overall internal structure of the outer shell of this utility model; Figure 4 This is a schematic diagram of the internal cross-sectional structure of the fermentation chamber of this utility model; Figure 5 This is a schematic diagram of the overall structure of the pretreatment box of this utility model; Figure 6 This is a schematic diagram of the overall structure of the hydraulic lifting mechanism of this utility model; Figure 7 This is a schematic diagram of the overall structure of the pretreatment mechanism of this utility model; Figure 8 This is a schematic diagram of the internal structure of the pretreatment mechanism of this utility model.

[0017] In the diagram: 1. Outer shell; 101. Feeding cover; 102. Insulated hot water storage tank; 103. Temperature controller; 104. Circulating pump; 105. Pretreatment tank; 106. Support frame; 107. Motor 1; 108. Drive belt; 2. Aerobic fermentation mechanism; 201. Fermentation chamber; 202. Connecting port; 203. Discharge chamber; 204. Circulating water pipe; 205. Stirring roller; 206. Installation section; 207. Stirring rod; 208. Stirring shovel; 209. Drive gear; 210. Oxygen supply port; 3. Hydraulic lifting mechanism; 301. Support plate; 302. Guide rail; 303. Guide groove; 304. Discharge slide 305. Guide roller; 306. Hinge; 307. Drive bracket; 308. Pallet; 309. Inclined plate; 310. Trash can; 311. Bidirectional drive motor; 312. Roller; 4. Pre-treatment mechanism; 401. Feed hopper; 402. Feed inlet; 403. Guide inclined plate; 404. Anti-blocking roller; 405. Crushing box; 406. Crushing motor; 407. Crushing roller; 408. Discharge hopper; 409. Conveying cylinder; 410. Motor II; 411. Screwdriver; 412. Drain pipe; 413. Oil-water separator; 414. Bracket; 415. Water pump; 416. Pumping pipe; 417. Sewage pipe. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1: Please refer to Figure 1-4This utility model provides a technical solution: a solar-powered kitchen waste fermentation chamber, including an outer shell 1, a feeding cover 101 rotatably connected to one side of the top of the outer shell 1, an insulated hot water storage tank 102 fixedly connected to the rear end of the outer shell 1, a temperature controller 103 fixedly connected to the top of the insulated hot water storage tank 102, a circulation pump 104 fixedly connected to one side of the insulated hot water storage tank 102, a pretreatment chamber 105 fixedly connected to the left side of the outer shell 1, a hydraulic lifting mechanism 3 provided at the front end of the pretreatment chamber 105, a pretreatment mechanism 4 provided inside the pretreatment chamber 105, a support frame 106 fixedly connected inside the outer shell 1, a motor 107 fixedly connected to the bottom of the support frame 106, and an aerobic fermentation mechanism 2 provided inside the support frame 106, which meets the temperature, humidity and oxygen supply conditions required for the kitchen waste fermentation process, reduces the fermentation cycle, and adapts to the daily production and disposal needs of kitchen waste.

[0020] The aerobic fermentation mechanism 2 includes a fermentation chamber 201 fixedly connected to the top of the inner side of the support frame 106. A connecting port 202 is fixedly opened on the left side inside the fermentation chamber 201. A discharge chamber 203 is fixedly connected to the front end of the fermentation chamber 201. A circulating water pipe 204 is fixedly connected to the inner wall of the fermentation chamber 201. A stirring rod 205 is provided inside the fermentation chamber 201. Several equally spaced mounting sections 206 are fixedly fitted around the stirring rod 205. A stirring rod 207 is fixedly connected to each mounting section 206. A stirring shovel 208 is fixedly connected to the end of each stirring rod 207. A drive gear 209 is fixedly fitted onto one side of the stirring rod 205 that penetrates the fermentation chamber 201. Oxygen inlets 210 are fixedly opened on both sides of the top front end of the fermentation chamber 201. One side of the stirring rod 205 is rotatably connected to the inner wall of the fermentation chamber 201 via a bearing. The drive gear 209 is connected to the output end of the motor 107 via a transmission belt 108. The input end of the circulating water pipe 204 is connected to the circulating water supply system. The output end of the ring pump 104 is connected to the inside of the circulating water pipe 204, which is connected to the inside of the insulated hot water storage tank 102. After pretreatment, the kitchen waste enters the fermentation chamber 201. At this time, the bacterial agent is added into the fermentation chamber 201 through the feeding cover 101. Then, the motor 107 is started to drive the stirring rod 205 to rotate, so that the stirring rod 207 and the stirring shovel 208 can mix the bacterial agent and kitchen waste evenly and prevent the kitchen waste from clumping. This ensures that the kitchen waste is heated evenly. Then, the temperature of the insulated hot water storage tank is detected by the probe of the temperature controller 103. The hot water inside the insulated hot water storage tank 102 is controlled by the circulating pump 104 to enter the circulating water pipe 204 for circulation, thereby regulating the temperature inside the fermentation chamber 201 and keeping the temperature within the appropriate range required for the fermentation process of kitchen waste. This satisfies the temperature, humidity and oxygen supply conditions required for the fermentation process of kitchen waste, reduces the fermentation cycle and meets the daily production and disposal requirements of kitchen waste.

[0021] The insulated hot water storage tank 102 is connected to an external vacuum tube solar collector at its input end, and is also electrically connected to an external power source via an electric wire. The insulated hot water storage tank 102 is connected to the external vacuum tube solar collector, thus achieving energy saving through solar energy. At the same time, it can also heat the hot water through an external power source in inclement weather.

[0022] Example 2: Please refer to Figure 5 This utility model provides a technical solution: the hydraulic lifting mechanism 3 includes a support plate 301 fixedly connected to the front end of the pretreatment box 105. Guide rails 302 are fixedly connected to both sides of the front end of the support plate 301. Guide grooves 303 are fixedly opened on opposite sides of the two guide rails 302. A discharge slide 304 is fixedly connected to the top of the two guide rails 302. Several guide rollers 305 are arranged equidistantly on opposite sides of the two guide rails 302. Hinges 306 are provided on both sides of each guide roller 305. A drive bracket 307 is provided at the front end of the support plate 301. A support plate 308 is fixedly connected to the bottom front end of the drive bracket 307. An inclined plate 309 is rotatably connected to the front end of the support plate 308. A garbage bin 310 is magnetically connected to the top of the support plate 308. A bidirectional drive motor 311 is fixedly connected to the bottom inner side of the drive bracket 307. Rollers 312 are rotatably connected at both the upper and lower corners on both sides. The position of the discharge slide 304 corresponds to the position of the feed inlet 402, and the guide roller 305 is engaged with the hinge 306. The output end of the bidirectional drive motor 311 is engaged with the hinge 306. The drive bracket 307 is slidably connected to the guide groove 303 on the opposite side of the guide rail 302 through the rollers 312. The garbage bin 310 is magnetically connected to the pallet 308. The garbage bin 310 is pushed to the top of the pallet 308 by the inclined plate 309. Then, the bidirectional drive motor 311 is started to move the garbage bin 310 upward in conjunction with the hinge 306. At the same time, in conjunction with the guide groove 303 on the guide rail 302, the garbage bin is tilted downward, so that the garbage slides into the pre-treatment box through the discharge slide 304 for the next pre-treatment work, providing convenience for the user.

[0023] Example 3: Please refer to Figure 5This utility model provides a technical solution: the pretreatment mechanism 4 includes a feeding bin 401 fixedly connected to the top of the inner side of the pretreatment box 105. A feeding port 402 is fixedly opened at the top of the feeding bin 401. A guide plate 403 is fixedly connected to one side of the inside of the feeding port 402. An anti-blocking rod 404 is rotatably connected inside the feeding port 402 and located at the end of the guide plate 403. A crushing box 405 is fixedly connected to the bottom of the feeding bin 401. A crushing motor 406 is fixedly connected to one side of the crushing box 405. Two intermeshing crushing rollers 407 are provided inside the crushing box 405. The bottom of the crushing box 405... A feeding hopper 408 is fixedly connected, and a conveyor cylinder 409 is fixedly connected to the bottom of the feeding hopper 408. A motor 410 is fixedly connected to one side of the conveyor cylinder 409. An auger 411 is installed inside the conveyor cylinder 409. A drain pipe 412 is fixedly connected to one side of the bottom of the conveyor cylinder 409. An oil-water separator 413 is fixedly connected to the end of the drain pipe 412. A bracket 414 is fixedly connected to one side of the top of the oil-water separator 413. A water pump 415 is fixedly connected to the top of the bracket 414. A water pump 416 is fixedly connected to the input end of the water pump 415. A sewage pipe 417 is fixedly connected to the bottom of the oil-water separator 413. A crushing roller 4... The input end of 407 is fixedly connected to the output end of the crushing motor 406. The output end of the conveying cylinder 409 is connected to the communication port 202 opened on the left side inside the fermentation chamber 201. The input end of the auger 411 is fixedly connected to the output end of the second motor 410. A one-way valve is installed on the sewage pipe 417. The kitchen waste entering the feed hopper 401 slides down the guide plate 403. At the same time, pressure is applied to the kitchen waste by the anti-blocking roller 404 to prevent blockage. Meanwhile, by starting the crushing motor 406, the crushing roller 407 is driven to rotate, which can crush the kitchen waste. The crushed waste enters the conveying cylinder 409. In section 09, the waste is transported by an auger 411. The agitation force of the auger 411 squeezes out the water from the waste, which then enters the oil-water separator 413 through the drain pipe 412. Since the density of oil is less than that of water, the oil floats on the surface of the water. At this time, the water is pumped away by the water pump 415 and sent to the subsequent filtration equipment for filtration, so that it can be reused. It can be reused for water replenishment of the spray tower or for greening of the factory area, realizing the recycling of water resources. The excess oil is discharged through the sewage pipe 417 for further treatment. Finally, the waste with the water squeezed out enters the subsequent fermentation process to clean up the kitchen waste.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A solar-powered kitchen waste fermentation chamber, comprising an outer shell (1), characterized in that: A feeding cover (101) is rotatably connected to one side of the top of the outer shell (1). A heat-insulating hot water storage tank (102) is fixedly connected to the rear end of the outer shell (1). A temperature controller (103) is fixedly connected to the top of the heat-insulating hot water storage tank (102). A circulation pump (104) is fixedly connected to one side of the heat-insulating hot water storage tank (102). A pretreatment box (105) is fixedly connected to the left side of the outer shell (1). A hydraulic lifting mechanism (3) is provided at the front end of the pretreatment box (105). A pretreatment mechanism (4) is provided inside the pretreatment box (105). A support frame (106) is fixedly connected inside the outer shell (1). A motor (107) is fixedly connected to the bottom of the support frame (106). An aerobic fermentation mechanism (2) is provided inside the support frame (106).

2. The solar-powered kitchen waste fermentation chamber according to claim 1, characterized in that: The aerobic fermentation mechanism (2) includes a fermentation chamber (201) fixedly connected to the top of the inner side of the support frame (106). A communication port (202) is fixedly opened on the left side inside the fermentation chamber (201). A discharge chamber (203) is fixedly connected to the front end of the fermentation chamber (201). A circulating water pipe (204) is fixedly connected to the inner wall of the fermentation chamber (201). A stirring rod (205) is provided inside the fermentation chamber (201). Several equally spaced installation sections (206) are fixedly sleeved on the outside of the stirring rod (205). A stirring rod (207) is fixedly connected to each installation section (206). A stirring shovel (208) is fixedly connected to the end of each stirring rod (207). A drive gear (209) is fixedly sleeved on one side of the stirring rod (205) that penetrates the fermentation chamber (201). An oxygen supply port (210) is fixedly opened on both sides of the top front end of the fermentation chamber (201).

3. The solar-powered kitchen waste fermentation chamber according to claim 2, characterized in that: The stirring rod (205) is rotatably connected to the inner wall of the fermentation chamber (201) via a bearing on one side, and the drive gear (209) is connected to the output end of the motor (107) via a transmission belt (108).

4. The solar-powered kitchen waste fermentation chamber according to claim 2, characterized in that: The input end of the circulating water pipe (204) is connected to the output end of the circulating pump (104), and the output end of the circulating water pipe (204) is connected to the inside of the insulated hot water storage tank (102).

5. A solar-powered kitchen waste fermentation chamber according to claim 2, characterized in that: The pretreatment mechanism (4) includes a feeding hopper (401) fixedly connected to the top of the inner side of the pretreatment box (105). A feeding port (402) is fixedly opened on the top of the feeding hopper (401). A guide plate (403) is fixedly connected to one side inside the feeding port (402). An anti-blocking rod (404) is rotatably connected inside the feeding port (402) and at the end of the guide plate (403). A crushing box (405) is fixedly connected to the bottom of the feeding hopper (401). A crushing motor (406) is fixedly connected to one side of the crushing box (405). Two intermeshing crushing rollers (407) are provided inside the crushing box (405). A discharge hopper is fixedly connected to the bottom of the crushing box (405). 408), the bottom of the feeding hopper (408) is fixedly connected to a conveying cylinder (409), a motor (410) is fixedly connected to one side of the conveying cylinder (409), an auger (411) is provided inside the conveying cylinder (409), a drain pipe (412) is fixedly connected to one side of the bottom of the conveying cylinder (409), an oil-water separator (413) is fixedly connected to the end of the drain pipe (412), a bracket (414) is fixedly connected to one side of the top of the oil-water separator (413), a water pump (415) is fixedly connected to the top of the bracket (414), a water pump (416) is fixedly connected to the input end of the water pump (415), and a sewage pipe (417) is fixedly connected to the bottom of the oil-water separator (413).

6. The solar-powered kitchen waste fermentation chamber according to claim 5, characterized in that: The input end of the crushing roller (407) is fixedly connected to the output end of the crushing motor (406), the output end of the conveying cylinder (409) is connected to the communication port (202) opened on the left side inside the fermentation chamber (201), the input end of the auger (411) is fixedly connected to the output of the second motor (410), and a one-way valve is provided on the sewage pipe (417).

7. A solar-powered kitchen waste fermentation chamber according to claim 5, characterized in that: The hydraulic lifting mechanism (3) includes a support plate (301) fixedly connected to the front end of the pretreatment box (105). Guide rails (302) are fixedly connected to both sides of the front end of the support plate (301). Guide grooves (303) are fixedly opened on opposite sides of the two guide rails (302). A discharge slide (304) is fixedly connected to the top of the two guide rails (302). Several guide rollers (305) are arranged equidistantly on opposite sides of the two guide rails (302). Each guide roller (305) has two... The support plate (301) is provided with hinges (306) on both sides. The front end of the support plate (301) is provided with a drive bracket (307). The bottom of the front end of the drive bracket (307) is fixedly connected to a tray (308). The front end of the tray (308) is rotatably connected to an inclined plate (309). The top of the tray (308) is magnetically connected to a trash can (310). The bottom of the inner side of the drive bracket (307) is fixedly connected to a bidirectional drive motor (311). Rollers (312) are rotatably connected to the upper and lower corners on both sides of the drive bracket (307).

8. A solar-powered kitchen waste fermentation chamber according to claim 7, characterized in that: The position of the feeding chute (304) corresponds to the position of the feeding port (402), and the guide roller (305) is engaged with the hinge (306).

9. A solar-powered kitchen waste fermentation chamber according to claim 7, characterized in that: The output end of the bidirectional drive motor (311) is engaged with the hinge (306), the drive bracket (307) is slidably connected to the guide groove (303) on the opposite side of the guide rail (302) through the roller (312), and the trash can (310) is magnetically connected to the tray (308).

10. A solar-powered kitchen waste fermentation chamber according to claim 1, characterized in that: The insulated hot water storage tank (102) has its input end connected to an external vacuum tube solar collector, and the insulated hot water storage tank (102) is electrically connected to an external power source via an electric wire.

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