CN217978977U - A Combined Energy Supply System of Solar Photothermal and Biomass Fuel Stoves - Google Patents

Abstract

The utility model discloses a combined energy supply system of solar photothermal and biomass fuel stoves. The system is composed of biomass fuel stoves, hot water storage tanks, water supply devices and solar There are flue gas recovery pipes and boiler heating pipes connected between the water tanks, the top water inlet of the hot water storage tank is connected with the water supply device through the water inlet pipe, and the hot water storage tank and the solar collector are connected through pipeline circulation; When the new type is used, the hot water storage tank in the system is equivalent to the heat transfer station. The left side of the hot water storage tank is the heat source, which mainly includes three parts, one part comes from the solar collector, the other part comes from the flue gas heat recovery, and the Part of it comes from the biomass fuel device for heating, and the right side of the hot water storage tank is the heat end, which is connected to floor heating and domestic hot water. This system realizes the combined supply of cooking, heating and domestic hot water in rural areas.

Description

A Combined Energy Supply System of Solar Photothermal and Biomass Fuel Stoves

technical field

The utility model relates to the technical field of energy supply, in particular to a combined energy supply system of solar photothermal and biomass fuel stoves.

Background technique

At present, the common coal-to-clean energy heating methods in rural areas include coal-to-electricity, coal-to-gas, coal-to-biomass boilers, and so on. The operating cost of coal-to-electricity conversion is very high, and coal-to-gas conversion has geographical restrictions. In rural areas, biomass resources are abundant and cheap. The use of biomass stoves is a suitable and adaptable way of changing coal to clean energy for rural areas. In addition to heating, users' demand for heat also includes domestic hot water and cooking. To meet these three requirements at the same time, three sets of equipment are required, which occupy a large area and require a large investment.

For traditional biomass stoves, there are problems: single function and low efficiency. The thermal efficiency of firewood and straw, which are the main fuels in rural areas, is generally only about 10%. Even if energy-saving stoves are used, the utilization rate is less than 30%, and a lot of heat and resources are lost and wasted. Whether traditional biomass stoves are used for cooking or heating, there is a problem of low efficiency; on the other hand, when traditional biomass stoves are used in rural areas, due to the lack of automatic control of combustion heat and combustion time, the energy consumption and increased carbon dioxide emissions.

Utility model content

The purpose of the utility model is to provide a combined energy supply system of solar thermal and biomass fuel stoves, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combined energy supply system of solar thermal and biomass fuel stoves, the system consists of a biomass fuel device, a hot water storage tank, a water supply device, a solar heat collector and Composed of thermal equipment, a flue gas recovery pipe and a boiler heating pipe are connected between the biomass fuel device and the hot water storage tank, and the top water inlet of the hot water storage tank is connected to the water supply device through a water inlet pipe The water storage tank and the solar heat collector are circulated through pipelines, and the outer water outlet of the water storage tank is connected with the water inlet pipe of floor heating and domestic hot water through a water outlet pipe. A touch panel is installed on the outside of the hot water storage tank, and a spiral heating tube is installed on the inner wall of the hot water storage tank, and one end of the spiral heating tube communicates with the boiler heating tube.

Preferably, a temperature sensor is installed inside the hot water storage tank.

Preferably, a liquid level sensor is installed on the inner top of the hot water storage tank.

Preferably, on the flue gas recovery pipe and boiler heating pipe between the biomass fuel device and the hot water storage tank, on the water inlet pipe at the top of the hot water storage tank, between the hot water storage tank and the Electromagnetic valves are installed on the pipelines between the solar heat collectors and on the water outlet pipes outside the heat storage tank.

Preferably, a micro-controller is installed inside the touch panel, and the signal output ends of the liquid level sensor and the temperature sensor are connected to the signal input ends of the micro-controller, and the control of the micro-controller The output end is connected with the electric control end of the solenoid valve through wires.

Compared with the prior art, the beneficial effect of the utility model is: when the utility model is used, the left side of the heat storage tank is the heat source, which mainly includes three parts, one part comes from the solar collector, and the other part comes from the flue gas heat source. Recycling, and part of it comes from the biomass fuel device for heating. The right side of the hot water storage tank is the heat end, which is connected to the floor heating and domestic hot water. This system meets the needs of the triple supply of cooking, heating and domestic hot water in rural areas. , and coupled with the solar thermal system, reducing energy consumption, reducing carbon dioxide emissions and reducing operating investment.

Description of drawings

Fig. 1 is a structural schematic diagram of the combined energy supply system of solar thermal and biomass fuel stoves of the present invention;

Fig. 2 is a structural block diagram of the combined energy supply system of solar thermal and biomass fuel stoves of the present invention.

In the figure: 1. Biomass fuel device; 2. Hot water storage tank; 3. Water supply device; 4. Solenoid valve; 5. Solar collector; 7. Touch panel; 8. Microcontroller; 9. Liquid level Sensor; 10, temperature sensor; 11, spiral heating tube.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Fig. 1-Fig. 2, the embodiment of the utility model provides a kind of combined energy supply system of solar thermal and biomass fuel stove, the system is composed of biomass fuel device 1, hot water storage tank 2, water supply device 3 And solar heat collector 5 forms.

Among them, the flue gas recovery pipe and the boiler heating pipe are connected between the biomass fuel device 1 and the hot water tank 2, and the top water inlet of the hot water tank 2 is connected with the water supply device 3 through the water inlet pipe, and the hot water tank 2 It is connected with the solar heat collector 5 through pipeline circulation, and the pipeline between the hot water storage tank 2 and the solar heat collector 5 is used for water supply through a circulation pump, and the outer water outlet of the hot water storage tank 2 is connected to the floor through the water outlet pipe. The heating and daily necessities hot water inlet pipes are connected. A touch panel 7 is installed on the outside of the hot water storage tank 2. A spiral heating tube 11 is installed on the inner wall of the hot water storage tank 2. One end of the spiral heating tube 11 is connected to the boiler heating tube. When in use, the hot water storage tank 2 in the system is equivalent to a heat transfer station, and the left side of the hot water storage tank 2 is the heat source, which mainly includes three parts, one part comes from the solar collector 5, and the other part comes from the flue gas The heat is recovered, and part of it comes from the biomass fuel device 1 for heat supply. The right side of the hot water storage tank 2 is the heat utilization terminal, which is connected to the heat utilization equipment. The heat utilization equipment is specifically floor heating and domestic hot water. This system realizes the combined supply of cooking, heating and domestic hot water in rural areas.

In addition, what needs to be added is that the solar collector 5 is kept in a normally open state during use, and when the temperature of the hot water generated by the solar collector 5 is lower than the minimum value of the water temperature set by the hot water storage tank 2, the valve is closed. Among them, the biomass fuel device 1 is composed of a biomass fuel furnace, an air valve, and a gas pipe. The gas pipe burns the combustibles in the biomass fuel furnace by transporting fuel. The material fuel furnace operates with the minimum air valve opening. When the hot water temperature produced by the solar collector 5 is lower than the minimum value of the set hot water temperature of the hot water storage tank 2, the air valve opening of the biomass fuel furnace is increased. The water in the hot water storage tank 2 is heated, and after reaching the maximum value of the set water temperature, the opening of the damper is closed.

In addition, the water supply device 3 is composed of a water supply pump and a water pipe. When the water volume in the heat storage tank 2 is low to a preset water level, the water supply pump starts to work; in this embodiment, the heating equipment is floor heating and hot water for daily necessities The fluid medium in the floor heating and the hot water in the hot water storage tank 2 do not contact each other, and directly perform heat exchange, and the hot water circuit for daily necessities directly transfers the hot water in the hot water storage tank 2 .

Embodiment two

This embodiment is further explained on the basis of embodiment one:

As shown in Figures 1-2, a liquid level sensor 9 and a temperature sensor 10 are respectively installed on the inner top of the hot water storage tank 2. The liquid level sensor 9 can detect the water volume and level in the hot water storage tank 2 in real time, and the temperature sensor 10 detects the water temperature in the hot water storage tank 2 .

In this embodiment, the flue gas recovery pipe and the boiler heating pipe between the biomass fuel device 1 and the hot water storage tank 2, the water inlet pipe on the top of the hot water storage tank 2, the hot water storage tank 2 and the solar collector A solenoid valve 4 is installed on the pipeline between the 5 and the outlet pipe outside the hot water storage tank 2, a microcontroller 8 is installed inside the touch panel 7, and the signal output terminals of the liquid level sensor 9 and the temperature sensor 10 are connected to each other. It is connected with the signal input end of the microcontroller 8, and the control output end of the microcontroller 8 is connected with the electric control end of the solenoid valve 4 through wires; the detection data of the temperature sensor 10 and the liquid level sensor 9 can be transmitted to the microcontroller 8 , the data is displayed on the touch panel 7 through the microcontroller 8, and at the same time, the solenoid valves 4 on different pipelines are controlled by setting control programs in the microcontroller 8.

According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when in use, the hot water storage tank 2 in the system is equivalent to the heat transfer station, and the left side of the hot water storage tank 2 is the heat source, which mainly includes three parts, one part comes from solar energy A part of the heat collector 5 comes from flue gas heat recovery, and a part comes from the biomass fuel device 1 for heat supply. The right side of the hot water storage tank 2 is the heat utilization end, which is connected to the water inlet pipe for floor heating and domestic hot water. This system realizes the combined supply of cooking, heating and domestic hot water in rural areas. During use, the solar collector 5. Keep the normally open state during use. When the hot water temperature produced by the solar collector 5 is lower than the minimum value of the water temperature set in the hot water storage tank 2, close the valve. In this embodiment, the biomass fuel device 1 is powered by biomass fuel Furnace, air valve and gas pipe, the gas pipe burns the combustibles in the biomass fuel furnace through fuel delivery, when the biomass fuel furnace is running, when the load is low, the biomass fuel furnace operates with the minimum air valve opening, When the hot water temperature produced by the solar heat collector 5 is lower than the minimum value of the set hot water temperature of the hot water storage tank 2, the air valve opening of the biomass fuel furnace is increased to heat the water in the hot water storage tank 2, After reaching the maximum value of the set water temperature, turn off the opening of the small air valve. In addition, the water supply device 3 is composed of a water supply pump and a water pipe. The fluid medium and the hot water in the hot water storage tank 2 do not contact each other, and directly perform heat exchange, and the hot water circuit for daily necessities directly transfers the hot water in the hot water storage tank 2 .

The parts not involved in the utility model are all the same as the prior art or can be realized by adopting the prior art. Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a solar photothermal and biomass fuel stove unite energy supply system, this system comprises biomass fuel device (1), heat accumulation water pitcher (2), moisturizing device (3) and solar collector (5), its characterized in that: biomass fuel device (1) with the intercommunication has flue gas recovery pipe and boiler heating pipe between heat accumulation water pitcher (2), the top water inlet of heat accumulation water pitcher (2) through the inlet tube with moisturizing device (3) are linked together, heat accumulation water pitcher (2) with communicate through the pipeline circulation between solar collector (5), the outside delivery port of heat accumulation water pitcher (2) is linked together through outlet pipe and warm up heating and life hydrothermal inlet tube, the externally mounted of heat accumulation water pitcher (2) has touch panel (7), spiral heating pipe (11) are installed to the inner wall of heat accumulation water pitcher (2), the one end and the boiler heating pipe of spiral heating pipe (11) are linked together.

2. The solar photothermal and biomass fuel furnace combined energy supply system according to claim 1, is characterized in that: and a temperature sensor (10) is arranged in the heat storage water tank (2).

3. The solar photothermal and biomass fuel furnace combined energy supply system according to claim 2, characterized in that: and a liquid level sensor (9) is installed at the top of the heat storage water tank (2).

4. The solar photo-thermal and biomass fuel furnace combined energy supply system according to claim 3, characterized in that: the biomass fuel device (1) and on flue gas recovery pipe and the boiler heating pipe between heat accumulation water pitcher (2) on the inlet tube at heat accumulation water pitcher (2) top heat accumulation water pitcher (2) with on the pipeline between solar collector (5) and all install solenoid valve (4) on the outlet pipe in heat accumulation water pitcher (2) outside.

5. The solar photo-thermal and biomass fuel furnace combined energy supply system according to claim 4, characterized in that: the touch panel (7) is internally provided with a microcontroller (8), the signal output ends of the liquid level sensor (9) and the temperature sensor (10) are connected with the signal input end of the microcontroller (8), and the control output end of the microcontroller (8) is connected with the electric control end of the electromagnetic valve (4) through a wire.

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