CN209877075U - A Capillary Heating System Combined with Solar Energy and Biogas for Rural Households - Google Patents

Abstract

A capillary heating system of rural household solar energy combined methane relates to the technical field of heating; a water outlet of the solar heat collector is communicated with a hot water inlet at the upper end of the heat storage water tank through a solar heat collector water return pipe, a water outlet at the lower end of the heat storage water tank is communicated with a water inlet of the solar heat collector through a solar heat collector water supply pipe, and a second circulating water pump is connected in series on the solar heat collector water supply pipe; the hot water replenishing port at the upper end of the heat storage water tank is communicated and connected with the water outlet of the methane wall-hanging stove through a pipeline, an electromagnetic valve is connected on the pipeline in series, the water inlet of the methane wall-hanging stove is communicated and connected with a tap water pipe, the air supply port of the methane wall-hanging stove is connected with the methane tank through a pipeline, and a methane bag is connected on the pipeline in series. The heat exchanger is energy-saving and environment-friendly, has no operating cost, improves the heat exchange efficiency, is flexible in arrangement, simple in construction and stronger in practicability.

Description

A Capillary Heating System Combined with Solar Energy and Biogas for Rural Households

technical field

The utility model relates to the technical field of heating, in particular to a capillary heating system combining solar energy and biogas for rural households.

Background technique

With the rapid development of the national economy, people have higher and higher requirements for the quality of life. For the vast rural areas, heating in winter is a demand and a necessity. At present, many families in rural areas in the north do not have heating in winter. Families are also relatively scattered and have different forms. Air source heat pumps or coal stoves and electric heaters are used for heating, and even fire pits are used for heating. Using coal stoves and fire pits for heating will cause environmental pollution. Using air source heat pumps is efficient under harsh winter conditions Often lower, the use of electric heating consumes a large amount of electric energy and is not energy-saving, while the use of natural gas for heating is limited by the development of gas in rural areas. At present, only a few rural areas have been promoted. These all restrict the development of rural heating. The capillary network is an ideal high-efficiency heat exchanger. In the winter capillary radiation heating condition, the water supply temperature only needs to be 30°C-35°C to reach the room temperature of 20°C±2°C. Based on this, a solar energy combined biogas capillary heating system used in vast rural areas is proposed to solve some existing rural heating problems, using clean energy solar energy and biogas energy to provide heat sources, and using capillary network high-efficiency heat exchangers, not only does not waste energy , but also energy saving and environmental protection, and achieve the purpose of rural heating.

Utility model content

The purpose of this utility model is to aim at the defects and deficiencies of the prior art, to provide a capillary heating system with simple structure, reasonable design and convenient use for rural household solar combined with biogas, which is energy-saving and environmentally friendly, has no operating costs, and improves heat exchange efficiency , its layout is flexible, the construction is simple, and the practicability is stronger.

In order to achieve the above purpose, the technical solution adopted by the utility model is: it includes solar collector, solar collector return pipe, hot water storage tank, solenoid valve, tap water pipe, biogas wall-hung boiler, biogas bag, biogas pit, heating Room, heating return pipe, No. 1 circulating water pump, valve, heating water inlet pipe, No. 2 circulating water pump, solar collector water supply pipe; The hot water inlet is connected through, and the outlet at the lower end of the hot water storage tank is connected through the water inlet of the solar collector through the water supply pipe of the solar collector, and the No. 2 circulating water pump is connected in series on the water supply pipe of the solar collector; The hot water replenishment port at the upper end of the tank is connected to the water outlet of the biogas wall-hung boiler through a pipeline. A solenoid valve is connected in series on the pipeline. The water inlet of the biogas wall-hung boiler is connected to the tap water pipe. A biogas bag is connected in series on the pipeline; the hot water outlet on the side wall of the middle part of the hot water storage tank is connected through the inlet end of the capillary network in the heating room through the heating water inlet pipe, and a valve and a valve are connected in series on the heating water inlet pipe. No. circulating water pump, the outlet end of the capillary network is connected through the return water port of the side wall of the hot water storage tank through the heating return pipe; the inner wall of the hot water storage tank is fixed with a temperature sensor, and the temperature sensor is connected to the biogas wall The electric control end of the furnace and the electric control connection of the solenoid valve; the capillary network is embedded in the side wall cavity located in the wall of the heating room, and is embedded on the side wall cavity body wall above the front side of the capillary network There are air inlets, and air outlets are embedded in the side wall cavity walls on the left and right sides of the capillary network. The air outlets are equipped with cross-flow fans; the above-mentioned solenoid valves, biogas wall-hung boilers, No. 2 circulating water pumps and The cross-flow fans are all electrically connected with the power supply equipment.

Further, the side wall of the lower end of the hot water storage tank is connected with a tap water replenishment pipe, and the bottom wall of the hot water storage tank is connected with a drain pipe through; A water level sensor is fixed on the inner wall of the box, and the water level sensor is electrically controlled connected with the above-mentioned two electric control valves.

Further, the photovoltaic module installed on the solar heat collector is connected to the battery, and the battery is electrically connected to the solenoid valve, biogas wall-hung boiler, No. 2 circulating water pump and cross-flow fan.

Further, the capillary network is embedded in the cabinet, the air inlet is embedded on the upper side of the front wall of the cabinet, and is located outside the upper edge of the capillary network, and the air outlet is embedded in the convex hole on the lower side of the front wall of the cabinet. In the platform and outside the lower edge of the capillary network, the cross-flow fan is arranged in the boss and inside the air outlet.

After adopting the above-mentioned structure, the beneficial effect of the utility model is: a capillary tube heating system of rural household solar energy combined with biogas described in the utility model, which is energy-saving and environmentally friendly, has no operating costs, and improves heat exchange efficiency, and has flexible layout and simple construction , stronger practicability, the utility model has the advantages of simple structure, reasonable setting, low manufacturing cost and the like.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the position of the capillary network in the heating room in the first embodiment.

Fig. 3 is a schematic structural view of the side wall cavity in the first embodiment.

Fig. 4 is a schematic diagram of the distribution of the capillary network in the second embodiment.

Fig. 5 is a side view of the distribution of the capillary network in the second embodiment.

Explanation of reference signs:

Solar collector 1, solar collector return pipe 2, hot water storage tank 3, solenoid valve 4, tap water pipe 5, biogas wall-hung boiler 6, biogas bag 7, biogas pool 8, heating room 9, heating return pipe 10, No. 1 circulating water pump 11, valve 12, heating water inlet pipe 13, tap water supply pipe 14, drain pipe 15, No. 2 circulating water pump 16, solar collector water supply pipe 17, side wall cavity 18, capillary network 19, air inlet 20 , air outlet 21, cross-flow fan 22, cabinet 23.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Fig. 1-Fig. 3, the technical solution adopted in this specific embodiment (Example 1: side wall cavity type capillary heating system) is: it includes solar collector 1, solar collector return pipe 2, storage Hot water tank 3, solenoid valve 4, tap water pipe 5, biogas wall-hung boiler 6, biogas bag 7, biogas digester 8, heating room 9, heating return pipe 10, No. 1 circulating water pump 11, valve 12, heating water inlet pipe 13, two Circulating water pump 16, solar collector water supply pipe 17; the water outlet of solar collector 1 is connected through the hot water inlet of the upper end of the hot water storage tank 3 through the solar collector return pipe 2, and the lower end of the hot water storage tank 3 The outlet of the solar collector is connected through the water inlet of the solar collector 1 through the water supply pipe 17 of the solar collector, and the water supply pipe 17 of the solar collector is connected in series with the No. 2 circulating water pump 16; The tap water replenishment pipe 14 and the bottom wall of the hot water storage tank 3 are connected with a drainage pipe 15; the tap water replenishment pipe 14 and the drain pipe 15 are connected in series with electric control valves, and the inner wall of the hot water storage tank 3 is fixed with a water level sensor. The water level sensor is electronically connected to the above two electric control valves; the hot water replenishment port at the upper end of the hot water storage tank 3 is connected to the water outlet of the biogas wall-hung boiler 6 through a pipeline, and the solenoid valve 4 is connected in series on the pipeline, and the biogas wall-hung The water inlet of the furnace 6 is connected through the tap water pipe 5, and the gas supply port of the biogas wall-hung boiler 6 is connected with the biogas pool 8 through a pipeline, and a biogas bag 7 is connected in series on the pipeline; The water inlet is connected through the inlet end of the capillary network 19 in the heating room 9 through the heating water inlet pipe 13. The valve 12 and the No. 1 circulating water pump 11 are connected in series on the heating water inlet pipe 13. The outlet end of the capillary network 19 is connected to the storage tank through the heating return pipe 10 The water return port on the side wall of the hot water tank 3 is connected through; the inner wall of the hot water storage tank 3 is fixed with a temperature sensor, and the temperature sensor is electrically connected with the electric control terminal of the biogas wall-hung boiler 6 and the solenoid valve 4 The capillary network 19 is embedded in the side wall cavity 18 located in the wall of the heating room 9, and the side wall cavity 18 body wall located above the front side of the capillary network 19 is embedded with an air inlet 20, located at An air outlet 21 is embedded in the body wall of the side wall cavity 18 on the left and right sides of the capillary network 19, and a cross-flow fan 22 is installed in the air outlet 21; the photovoltaic module installed on the solar collector 1 is connected to the battery , the storage battery is electrically connected with the electromagnetic valve 4, the biogas wall-hung boiler 6, the second circulating water pump 16 and the cross-flow fan 22.

The working principle of this specific embodiment: the hot water produced by the solar heat collector 1 under the irradiation of sunlight flows into the hot water storage tank 3 through the return pipe 2 of the solar heat collector under the influence of gravity; the heat in the hot water storage tank 3 With the valve 12 open, the water is powered by the No. 1 circulating water pump 11 and flows into the capillary network 19 in the heating room 9 through the heating water inlet pipe 13 for heating. The air flow in the heating room 9 flows in from the air inlet 20 , conducts convective heat exchange with the capillary network 19, and the hot air after heat exchange flows into the heating room 9 again from the air outlet 21 for heating, and the return water after heating flows into the hot water storage tank 3 through the heating return pipe 10, storing The water at the bottom of the hot water tank 3 flows into the solar collector 1 through the solar collector water supply pipe 17 under the power provided by the No. 2 circulating water pump 16, and continues to heat, and circulates like this to perform circulating heating;

The biogas produced by the biogas digester 8 throughout the year is stored in the biogas bag 7. When the water temperature in the hot water storage tank 3 does not reach the heating temperature set by the temperature sensor, the solenoid valve 4 is opened, and the biogas wall-hung boiler 6 starts to run, water is supplied from the tap water pipe 5 to the biogas wall-hung boiler 6, and the water flows into the hot water storage tank 3 after being heated by the biogas wall-hung boiler 6; when the water temperature in the hot water storage tank 3 reaches the temperature sensor setting When the heating temperature is reached, the solenoid valve 4 is closed, and the biogas wall-hung boiler 6 stops operating, so as to ensure a stable heating temperature;

During the operation of the heating system, the water level sensor senses the amount of water in the hot water storage tank 3 in real time. Drain pipe 15 drains excess water;

During the heating process, heating hot water flows into the heating room 9, and then flows into the capillary network 19 in the side wall cavity 18, and the air flow in the heating room 9 flows into the side wall cavity 18 through the air inlet 20, It conducts convective heat exchange with the capillary network 18, and flows out from the air outlet 21 after the heat exchange, and the air flow in the room circulates sequentially, thereby achieving the purpose of heating.

The beneficial effect of this embodiment is:

1. Utilize solar photovoltaic power generation, and the generated electric energy is stored in the battery to provide the electric power required by electrical equipment such as two circulating water pumps and cross-flow wind 22, without additional power consumption, and the electric power generated by photovoltaic power generation in the non-heating season can be used for illumination;

2. Using renewable energy, namely solar energy and biogas energy, energy saving and environmental protection, and no operating costs;

3. The cross-flow fan 22 is installed, the noise of the cross-flow fan is small, and it drives the air flow to exchange heat with the capillary network 19, and converts the traditional capillary heating method mainly based on radiation heat transfer to the heating method based on convective heat transfer , greatly improving the heat transfer efficiency;

4. The system adopts the capillary network 19, which has high heat exchange efficiency, and only needs low-temperature hot water to meet heating requirements, which greatly saves energy;

5. There is no need to bury the capillary network under the floor or in the side wall, which is conducive to the replacement and maintenance of the capillary network, and the construction is simple;

Embodiment two:

Referring to Fig. 4 and Fig. 5, the capillary network 19 in this embodiment (upright cabinet type capillary heating system) is embedded in the cabinet body 23, and the air inlet 20 is embedded in the upper side of the front wall of the cabinet body 23, and is located in the capillary network 19 Outside the upper edge, the air outlet 21 is embedded in the boss on the lower side of the front wall of the cabinet body 23, and is located outside the lower edge of the capillary network 19, and the cross-flow fan 22 is arranged in the boss, and is located The inner side of the air outlet 21.

In this embodiment, the heating hot water flows into the capillary network 19 in the cabinet body 23, and under the power provided by the cross-flow fan 22, the air flow in the heating room 9 flows in from the air inlet 20, and convects with the capillary network 19. Heat exchange, the hot air after heat exchange flows into the heating room 9 again from the air outlet 21 for heating; since the cabinet body 23 and the wall are independently designed, it is more flexible and can be arranged in different rooms according to the situation. According to the size of the heating room, the end can be equipped with a side wall cavity type capillary heating system alone, or can be equipped with a vertical cabinet type capillary heating system. auxiliary.

The above is only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those skilled in the art to the technical solution of the utility model, as long as they do not depart from the spirit and scope of the technical solution of the utility model , should be covered in the scope of the claims of the present utility model.

Claims (4)

1. A capillary heating system of rural domestic solar energy combined biogas is characterized in that: the solar energy heat pump water heater comprises a solar heat collector (1), a solar heat collector water return pipe (2), a heat storage water tank (3), an electromagnetic valve (4), a tap water pipe (5), a methane wall-mounted furnace (6), a methane bag (7), a methane tank (8), a heating room (9), a heating water return pipe (10), a first circulating water pump (11), a valve (12), a heating water inlet pipe (13), a second circulating water pump (16) and a solar heat collector water supply pipe (17); a water outlet of the solar heat collector (1) is communicated with a hot water inlet at the upper end of the heat storage water tank (3) through a solar heat collector water return pipe (2), a water outlet at the lower end of the heat storage water tank (3) is communicated with a water inlet of the solar heat collector (1) through a solar heat collector water supply pipe (17), and a second circulating water pump (16) is connected in series on the solar heat collector water supply pipe (17); a hot water replenishing port at the upper end of the heat storage water tank (3) is communicated and connected with a water outlet of a methane wall-mounted furnace (6) through a pipeline, the pipeline is connected with an electromagnetic valve (4) in series, a water inlet of the methane wall-mounted furnace (6) is communicated and connected with a tap water pipe (5), a gas supply port of the methane wall-mounted furnace (6) is connected with a methane tank (8) through a pipeline, and a methane bag (7) is connected on the pipeline in series; a hot water outlet of the side wall of the middle part of the heat storage water tank (3) is communicated with an inlet end of a capillary network (19) in a heating room (9) through a heating inlet pipe (13), a valve (12) and a first circulating water pump (11) are connected in series on the heating inlet pipe (13), and an outlet end of the capillary network (19) is communicated with a water return port of the side wall of the heat storage water tank (3) through a heating water return pipe (10); a temperature sensor is fixed on the inner wall of the heat storage water tank (3), and the temperature sensor is electrically connected with an electric control end of the methane wall-mounted furnace (6) and the electromagnetic valve (4); the capillary network (19) is embedded in a side wall cavity (18) in the wall body of the heating room (9), an air inlet (20) is embedded in the wall body of the side wall cavity (18) above the front side of the capillary network (19), air outlets (21) are embedded in the wall bodies of the side wall cavities (18) on the left side and the right side below the front side of the capillary network (19), and cross-flow fans (22) are arranged in the air outlets (21); the electromagnetic valve (4), the methane wall-hanging furnace (6), the second circulating water pump (16) and the cross-flow fan (22) are all electrically connected with power supply equipment.

2. The rural domestic solar energy combined biogas capillary heating system according to claim 1, characterized in that: the side wall of the lower end of the heat storage water tank (3) is connected with a tap water replenishing pipe (14) in a penetrating way, and the bottom wall of the heat storage water tank (3) is connected with a drain pipe (15) in a penetrating way; the tap water replenishing pipe (14) and the drain pipe (15) are both connected in series with an electric control valve, the inner wall of the heat storage water tank (3) is fixed with a water level sensor, and the water level sensor is electrically connected with the two electric control valves.

3. The rural domestic solar energy combined biogas capillary heating system according to claim 1, characterized in that: the solar energy heat collector is characterized in that a photovoltaic assembly arranged on the solar energy heat collector (1) is connected with a storage battery, and the storage battery is electrically connected with the electromagnetic valve (4), the methane wall-mounted furnace (6), the second circulating water pump (16) and the cross-flow fan (22).

4. The rural domestic solar energy combined biogas capillary heating system according to claim 1, characterized in that: capillary network (19) inlay and locate the cabinet body (23) in, air intake (20) inlay and establish the antetheca upside at the cabinet body (23), and be located the top edge outside of capillary network (19), air outlet (21) inlay and establish in the boss of the antetheca downside of the cabinet body (23), and be located the lower limb outside of capillary network (19), cross-flow fan (22) set up in this boss, and be located the inboard of air outlet (21).