CN113982844A

CN113982844A - Building breeze power generation system

Info

Publication number: CN113982844A
Application number: CN202111405333.9A
Authority: CN
Inventors: 冉农全
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-01-28
Anticipated expiration: 2041-11-24
Also published as: CN113982844B

Abstract

The invention relates to the field of power generation equipment, in particular to a building breeze power generation system. The building breeze power generation system comprises an air duct, power generation equipment, an air inlet cavity and heating equipment; the air channel is arranged along the height direction of the building, the power generation equipment is arranged at the top of the building, the air inlet cavity is arranged at the bottom of the building, and the heating equipment is arranged in the air inlet cavity; one end of the air duct is communicated with the power generation equipment, and the other end of the air duct is communicated with the air inlet cavity. The power generation system is combined with a building, the temperature difference of different heights and the chimney principle are utilized to generate ascending air flow in the air duct, and the power generation equipment is driven to generate power through the flowing of the air flow. The power generation system can be combined with houses, office buildings, factory buildings and the like. The height of the building is only utilized, an independent installation space is not needed, and the influence on the ecological environment is avoided. Most importantly, the power generation system is combined with a building, and the power generation system directly supplies power to the building or supplies power in a grid-connected mode, so that the problem of high cost of long-distance power transmission is solved.

Description

Building breeze power generation system

Technical Field

The invention relates to the field of power generation equipment, in particular to a building breeze power generation system.

Background

Energy is closely related to human survival, and is a material basis for improving the living standard of people and developing world civilization. The existing energy structure has the problems of large fossil energy supply pressure, large carbon emission and the like. In order to relieve environmental pressure, meet increasing energy requirements, realize sustainable development and develop renewable energy sources, the development of renewable energy sources is very important; the comprehensive replacement of fossil resources by renewable energy and raw materials is an important outlet for solving the energy crisis.

Wind energy is one of the most widely distributed and cleanest energy sources on the earth and is inexhaustible renewable energy, but most of the existing wind power generation devices are distributed in mountain areas or gobi areas with rare people, the wind power in the areas is large, the wind power resources are rich, large electric quantity can be generated, but long-distance power transmission is needed, and the problem of high power transmission cost exists.

Disclosure of Invention

The invention aims to provide a building breeze power generation system, which can solve the problem of high power transmission cost in the prior art;

the invention provides a building breeze power generation system, which comprises an air duct, power generation equipment, an air inlet cavity and heating equipment, wherein the air duct is connected with the power generation equipment;

the air channel is arranged along the height direction of the building, the power generation equipment is arranged at the top of the building, the air inlet cavity is arranged at the bottom of the building, and the heating equipment is arranged in the air inlet cavity;

one end of the air channel is communicated with the power generation equipment, and the other end of the air channel is communicated with the air inlet cavity.

Preferably, the air conditioner comprises a plurality of air ducts, wherein the air ducts are divided into a main air duct and a side air duct;

a plurality of air inlets are formed in the side air duct, and a plurality of openable air doors are arranged on the air inlets.

Preferably, the wind power generation device further comprises a wind collecting cover, and the wind channel is communicated with the power generation equipment through the wind collecting cover.

Preferably, the air conditioner comprises a plurality of air ducts, and the air ducts are arranged side by side;

and the outlet ends of the air channels are communicated with the inlet of the same air collecting cover, and the outlet of the air collecting cover is communicated with the inlet of the power generation equipment.

Preferably, the power generation equipment comprises a shell, a fan blade and a generator;

the shell surrounds an airflow channel, the fan blade is arranged in the airflow channel, and the fan blade is connected with a motor shaft of the generator;

the air duct is communicated with the air flow channel.

Preferably, a flywheel is arranged on the motor shaft.

Preferably, the heating device comprises a radiator and a heater;

the heater comprises a heating pipe and a heating tank, the heating pipe is arranged in the heating tank, and the heating pipe is connected with the power generation equipment;

the heating tank is communicated with the radiator, and a water circulation system is formed between the heating tank and the radiator.

Preferably, a water storage tank is arranged between the heating tank and the radiator;

the water storage tank is communicated with the heating tank, and a water circulation system is formed between the water storage tank and the heating tank;

the water storage tank is communicated with the radiator, and a water circulation system is formed between the water storage tank and the radiator.

Preferably, the system further comprises a hydrogen production energy storage device, and the hydrogen production energy storage device is electrically connected with the power generation device.

Preferably, the hydrogen production and energy storage equipment is also connected with a hydrogen storage tank.

Has the advantages that:

the power generation system is combined with a building, the temperature difference of different heights and the chimney principle are utilized to generate ascending air flow in the air duct, and the power generation equipment is driven to generate power through the flowing of the air flow. The power generation mode has wide application range and can be combined with houses, office buildings, plants and the like. The height of the building is only utilized, an independent installation space is not needed, and the influence on the ecological environment is avoided. Most importantly, the power generation system is combined with a building, the power generation system can directly supply power for the building or can supply power in a grid-connected mode, and the problem of high cost of long-distance power transmission is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a building breeze power generation system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a heat sink according to an embodiment of the present invention;

FIG. 3 is a top view of a heat sink according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a heating apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a hydrogen-producing and energy-storing device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a condensation tank according to an embodiment of the present invention.

Description of reference numerals:

1: air duct, 2: power generation equipment, 3: air inlet chamber, 4: heating equipment, 5: wind collecting cover, 6: a muffler; 7: hydrogen production and energy storage equipment;

11: main air duct, 12: side air duct, 13: a damper;

41: a heat sink; 42: a heater; 43: a water storage tank;

411: a radiating pipe; 412: a fin; 413: a water supply pipe; 414: a drain pipe; 415: a main water supply line; 416: a main drain line;

71: an electrolytic cell; 72: bipolar membrane; 73: an anode; 74: a cathode;

75: a hydrogen buffer tank; 76: an oxygen buffer tank; 77: a hydrogen condensation tank; 78: a hydrogen drying tank; 79: an oxygen condensing tank; 70: an oxygen drying tank;

701: a tank body; 702: a gas line; 703: a condensing pipeline; 704: a vertical tube; 705: a horizontal tube.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the present embodiment provides a building breeze power generation system, which includes a wind tunnel 1, a power generation device 2, an air intake chamber 3 and a heating device 4.

The air duct 1 is arranged along the height direction of a building, the power generation equipment 2 is arranged at the top of the building, the air inlet cavity 3 is arranged at the bottom of the building, and the heating equipment 4 is arranged in the air inlet cavity 3.

One end of the air duct 1 is communicated with the power generation equipment 2, and the other end is communicated with the air inlet cavity 3.

In the present embodiment, the power generation system is combined with a building, and an ascending air flow is generated in the air duct 1 by using the temperature difference of different heights and the chimney principle, and the power generation equipment 2 is driven by the flow of the air flow to generate power. The power generation mode has wide application range and can be combined with houses, office buildings, plants and the like. The height of the building is only utilized, an independent installation space is not needed, and the influence on the ecological environment is avoided. Most importantly, the power generation system is combined with a building, the power generation system can directly supply power for the building or can supply power in a grid-connected mode, and the problem of high cost of long-distance power transmission is solved.

In the working process of the power generation system, the heating device 4 does not need to be started under the condition that the temperature difference between the air inlet cavity 3 and the top gas of the building can realize gas flow. Otherwise, the heating device 4 is started to heat the gas in the air inlet cavity 3, the gas rises along the air duct 1 after being heated, the gas flows, and the gas flows to drive the power generation device 2 to generate power. It is understood that the power plant 2 here is a wind power plant 2.

The power generation equipment 2 includes a plurality of air ducts 1, and the plurality of air ducts 1 are divided into a main air duct 11 and a side air duct 12.

The side air duct 12 is provided with a plurality of air inlets, and the air inlets are provided with a plurality of openable and closable air doors 13.

Through the arrangement of the side air duct 12, external horizontally flowing natural air can be introduced into the air duct 1, and the wind power in the air duct 1 is increased.

The outlet axes of the main air duct 11 and the side air duct 12 are arranged in a crossed manner, and the air discharged from the main air duct and the side air duct can be converged at the outlet due to different air outlet angles, so that spiral wind is formed under the action of the air in different directions, and the effect similar to that of tornado is formed.

In addition, the main air duct 11 and the side air duct 12 are arranged in a building and are integrated into a whole, the appearance structure of a building floor is not changed, the mutual interference is avoided, and the noise problem is avoided.

The openable air door 13 has a function of adjusting the opening degree of the air inlet in addition to a function of opening and closing the air inlet, for example, an electric hinge is provided on the air door 13, and the opening degree of the air inlet can be controlled by controlling the electric hinge. Therefore, the opening of the air inlet can be adjusted according to the size of the wind power.

The building breeze power generation system also comprises a wind collecting cover 5, and the air duct 1 is communicated with the power generation equipment 2 through the wind collecting cover 5.

The wind collecting cover 5 is a cylindrical structure with a large lower part and a small upper part, and the wind discharged from the air duct 1 can be guided by the wind collecting cover 5, so that the airflow enters the power generation equipment 2 after being converged. This can increase the power generation efficiency.

Specifically, the plurality of air ducts 1 are arranged side by side.

And the outlet ends of the air channels 1 are communicated with the inlet of the same air collecting cover 5, and the outlet of the air collecting cover 5 is communicated with the inlet of the power generation equipment 2.

With this arrangement, the plurality of air ducts 1 can collect the airflow in all the air ducts 1 to the power generation equipment 2.

The power generation equipment 2 comprises a shell, fan blades and a generator.

The shell surrounds an airflow channel formed, the fan blade is arranged in the airflow channel, and the fan blade is connected with a motor shaft of the generator.

The air duct 1 is communicated with the airflow passage.

Specifically, the housing is a cylindrical structure, and an inlet of the cylindrical structure is butted with an outlet of the air collecting cover 5. Therefore, the airflow discharged from the air duct 1 is collected by the wind collecting cover 5 and enters the cylindrical shell, and then the blades are driven to rotate, and the blades drive the generator to generate electricity.

The fan blade adopts an axial flow fan blade, and airflow enters the fan blade (impeller) along the axial direction of the air inlet.

The motor shaft is provided with a flywheel. The flywheel can be arranged to store energy by utilizing the inertia of the flywheel, for example, the device layer is arranged on the roof of a building, and the motor and the flywheel are arranged in the device layer.

In addition, a silencer 6 is arranged at the upper part of the shell of the power generation equipment, and the silencer 6 is a conventional pipeline silencer. Noise pollution can be reduced by the provision of the muffler 6.

Referring to fig. 2 to 4, the heating apparatus 4 includes a radiator 41 and a heater 42.

The heater 42 includes a heating pipe and a heating tank, the heating pipe is disposed in the heating tank, and the heating pipe is connected to the power generation device 2.

The heating tank communicates with the radiator 41, and a water circulation system is formed between the heating tank and the radiator 41.

It should be noted that the heating device 4 is an auxiliary device of the power generation system, and the air flow of the power generation device 2 mainly depends on the temperature difference, the air flow generated by the chimney effect, and the natural wind entering from the side wind channel 12 for power generation. The air inlet cavity 3 is arranged in the basement, the temperature difference between the basement and the top of the floor in winter is large, and at the moment, the heating equipment 4 is not needed for auxiliary heating of air in the air inlet cavity 3. When the temperature difference between the air inlet cavity 3 and the bottom of the floor is small, the heating device 4 needs to be started.

A water storage tank 43 is provided between the heating tank and the radiator 41.

The water storage tank 43 communicates with the heating tank, and a water circulation system is formed between the water storage tank 43 and the heating tank.

The water storage tank 43 communicates with the radiator 41, and a water circulation system is formed between the water storage tank 43 and the radiator 41.

The hot water in the water storage tank 43 can provide domestic water.

The radiator 41 includes a heat radiating pipe 411, fins 412, a water supply pipe 413, and a water discharge pipe 414.

The water supply pipe 413 and the water discharge pipe 414 are provided in pairs, a plurality of radiating pipes 411 are provided between each pair of the water supply pipe 413 and the water discharge pipe 414, and a plurality of fins 412 are provided on the radiating pipes 411 in an evenly distributed manner. The radiator 41 includes a plurality of pairs of water supply pipes 413 and water discharge pipes 414.

The plurality of water supply pipes 413 communicate with the same main water supply line 415, and the plurality of water discharge pipes 414 communicate with the same main water discharge line 416.

The main water supply line 415 is communicated with the water discharge port of the water storage tank 43, and the main water discharge line 416 is communicated with the water inlet port of the water storage tank 43. The water in the water storage tank 43 flows into each water supply pipe 413 through the main water supply pipe 415, flows into the radiating pipe 411 through the water supply pipe 413, flows into the water discharge pipe 414 after being radiated through the radiating pipe 411, and is collected in the water discharge pipe 414 through the main water discharge pipe 416 and then returns to the water storage tank 43 through the water inlet of the water storage tank 43.

The cooling tube 411 is arranged along the vertical direction, and the contact area between the cooling tube 411 and the air can be increased through the arrangement of the cooling tube 411 along the vertical direction, so that the air can be heated conveniently. In addition, the water supply pipe 413 is provided at an upper portion and the water discharge pipe 414 is provided at a lower portion, so that water circulation is utilized. In addition, it is understood that the present embodiment is a conventional structure, which relates to the structures of a circulation pump, a valve, and the like of water circulation.

The amount of electricity generated and the amount of electricity used fluctuate. Use power consumption to have fluctuation as an example, power consumption is lower night, and power consumption is higher daytime, and when power consumption was lower night, the water in the water storage tank was heated to the electric quantity that can utilize power generation system to produce, stored hot water in the water storage tank. When the electricity consumption is high in daytime, the heating pipe is closed, and the water circulation between the heating tank and the water storage tank is stopped. At the moment, the radiator is heated by utilizing water circulation between the water storage tank and the radiator, so that the radiator heats air in the air inlet cavity 3.

Referring to fig. 5 to 6, the building breeze power generation system further includes a hydrogen production energy storage device electrically connected to the power generation device 2. The hydrogen production and energy storage equipment is also connected with a hydrogen storage tank and an oxygen storage tank. The power generation device 2 supplies power for the hydrogen production energy storage device, and is also an energy storage means, and hydrogen is produced by using redundant electric quantity and can be used for heating circulating water in the radiator through combustion.

Specifically, the hydrogen production energy storage device comprises an electrolytic bath 71, a bipolar membrane 72, an anode 73 and a cathode 74; the bipolar membrane 72 is disposed in the electrolytic bath 71, and divides the electrolytic bath 71 into an anode chamber and a cathode chamber. An anode 73 is disposed within the anode chamber, and the anode 73 is connected to the positive pole of the power plant, a cathode 74 is disposed within the cathode chamber, and the cathode 74 is connected to the negative pole of the power plant.

It should be noted that: since the electricity generated by the power generation device may be ac or dc, when the electricity generated by the power generation device is ac, the power generation device supplies power to the anode 73 and the cathode 74, and an ac-dc converter is also required. It is also understood that when the power generation equipment supplies power to the load, electrical components such as a filter may be provided as needed. It needs to be further explained that: the embodiment does not relate to the improvement on the circuit, and the circuits used by the power generation equipment for supplying power to the hydrogen production energy storage equipment are all the existing circuits.

Under the action of direct current, hydrogen ions in the hydrogen production and energy storage device 7 undergo a reduction reaction at the cathode 74 to produce hydrogen, and hydroxide ions undergo an oxidation reaction at the anode 73 to produce oxygen.

The hydrogen production and energy storage equipment further comprises a hydrogen buffer tank 75 and an oxygen buffer tank 76;

the cathode chamber and the anode chamber are both closed chambers, the hydrogen buffer tank 75 is communicated with the cathode chamber through a hydrogen pipeline, and the oxygen buffer tank 76 is communicated with the anode chamber.

The hydrogen and oxygen produced contain impurities such as water, and further purification is required. The hydrogen production energy storage equipment also comprises purification equipment, and impurities in the hydrogen and the oxygen can be removed through the purification equipment.

The purification apparatus includes a hydrogen condensation tank 77, a hydrogen drying tank 78, an oxygen condensation tank 79, and an oxygen drying tank 70.

The hydrogen buffer tank 75, the hydrogen condensation tank 77, and the hydrogen drying tank 78 are connected in sequence by pipes.

The oxygen buffer tank, the oxygen condensing tank and the oxygen drying tank are connected in sequence through pipelines.

The hydrogen condensation tank 77 and the oxygen condensation tank 79 each include a tank 701, a gas line 702, and a condensation line 703, the gas line 702 being provided in the tank 701.

The gas pipeline 702 comprises a vertical pipe 704 and a horizontal pipe 705, the vertical pipe 704 is arranged in the tank 701, one end of the vertical pipe 704 extends to the outer side of the tank 701, the other end of the vertical pipe 704 is located in the tank 701, a distance exists between the lower end of the vertical pipe 704 and the bottom of the tank 701, the horizontal pipe 705 is communicated with the vertical pipe 704 at one end, the other end of the horizontal pipe extends to the outer side of the tank 701, and a water outlet is further formed in the bottom of the tank 701.

The condensation line 703 is wound around the vertical pipe 704.

An air inlet is formed at one end, positioned on the outer side of the tank body 701, of the horizontal pipe 705, an air outlet is formed at one end, positioned on the outer side of the tank body 701, of the vertical pipe 704, and a condensed water outlet is formed at one end, positioned on the inner side of the tank body 701, of the vertical pipe 704.

The hydrogen and oxygen discharged from the hydrogen buffer tank 75 and the oxygen buffer tank 76 enter the corresponding hydrogen condensation tank 77 and oxygen condensation tank 79, respectively, and the hydrogen and oxygen are discharged in the hydrogen condensation tank 77 and the oxygen condensation tank 79, respectively, by using the principle of condensation, which are the same as each other. The process utilizes hydrogen and water vapor having different boiling points. Hydrogen to be purified enters the horizontal pipe 705 from the air inlet and then enters the vertical pipe 704 from the horizontal pipe 705, in the process of conveying gas in the vertical pipe 704, due to the fact that a cooling medium circulates in the condensation pipeline 703, water vapor is liquefied into condensed water after being pre-cooled, the condensed water flows into the bottom of the tank body 701, and the gas can be discharged along the air outlet of the vertical pipe 704. To prevent gas from being discharged from the lower end of the vertical pipe 704, the lower end of the vertical pipe 704 is disposed at a position lower than the liquid level of the liquid in the tank 701.

The hydrogen drying tank 78 and the oxygen drying tank 70 are sequentially provided with a plurality of drying layers from top to bottom, the drying layers are filled with adsorbing materials, the adsorbing materials are activated carbon, sewage calcium chloride, silica gel particles and the like, and the adsorbing materials can be set as required.

The hydrogen drying tank 78 and the oxygen drying tank 70 each include an air inlet and an air outlet, the air inlet of the hydrogen drying tank 78 is communicated with the air outlet of the hydrogen condensing tank 77, and the air inlet of the oxygen drying tank 70 is communicated with the air outlet of the oxygen condensing tank 79. The exhaust port of the hydrogen drying tank 78 communicates with the hydrogen storage tank, and the exhaust port of the oxygen drying tank 70 communicates with the oxygen storage tank.

The hydrogen and the oxygen in the hydrogen drying tank 78 and the oxygen drying tank 70 are adsorbed to remove water, the operating principle of the two is consistent, the hydrogen is taken as an example for explanation, the hydrogen discharged from the hydrogen condensing tank 77 enters the drying tank through the air inlet of the hydrogen drying tank 78, then sequentially passes through the multiple layers of drying layers, is dried by the drying layers, then is discharged from the air outlet of the hydrogen drying tank 78, and finally is stored in the hydrogen storage tank, and the corresponding oxygen is stored in the oxygen storage tank.

The hydrogen production energy storage equipment further comprises a combustor and a water circulation pipeline, wherein the air inlet of the combustor is communicated with the hydrogen storage tank and the oxygen storage tank, and a control valve is arranged on a connecting pipeline of the hydrogen storage tank, the oxygen storage tank and the combustor and used for controlling the supply proportion of oxygen and hydrogen. The hydrogen and oxygen are combusted at the burner. The water circulation pipeline is communicated with the heating tank and conveys hot water into the heating tank through water circulation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A building breeze power generation system is characterized by comprising an air duct, power generation equipment, an air inlet cavity and heating equipment;

2. The building breeze power generation system of claim 1, comprising a plurality of air ducts, wherein the plurality of air ducts are divided into a main air duct and a side air duct;

3. The building breeze power generation system of claim 2, further comprising a wind collection hood, wherein the wind tunnel is in communication with the power generation equipment through the wind collection hood.

4. The building breeze power generation system of claim 3, comprising a plurality of the air ducts, the air ducts being arranged side by side;

5. The building breeze power generation system of claim 1, wherein the power generation equipment comprises a housing, a fan blade, and a generator;

the air duct is communicated with the air flow channel.

6. The building breeze power generation system of claim 5, wherein a flywheel is disposed on the motor shaft.

7. The building breeze power generation system of claim 1, wherein the heating device comprises a heat sink and a heater;

8. The building breeze power generation system of claim 1, wherein a water storage tank is disposed between the heating tank and the radiator;

9. The building breeze power generation system of claim 1, further comprising a hydrogen-producing energy storage device electrically connected to the power generation device.

10. The gentle breeze power generation system of building of claim 9, wherein a hydrogen storage tank is further connected to the hydrogen-producing and energy-storing device.