CN213040628U - Biomass gas and air source heating system - Google Patents

Abstract

The utility model discloses a biomass gas and air source heating system, including heat exchange box, heating cabinet, the inside refrigerant channel that is equipped with of heat exchange box, refrigerant channel divides the inside of heat exchange box into the rivers passageway of airtight labyrinth structure, the refrigerant passageway connects gradually compressor, evaporimeter, expansion valve and constitutes the refrigerant circulation circuit, rivers passageway and heating cabinet connect gradually hot-water tank, heating installation, water storage box and constitute circulation hot-water circuit; the middle part of heating cabinet is equipped with the combustor to flaming all around, and the upper end of heating cabinet is equipped with the flue gas delivery pipe of being connected with air inlet unit, and this neotype effect is: the air source and the biomass gas are adopted to supply heat for scattered households in rural areas, the traditional coal-fired heating mode can be replaced, the harm of smoke generated by coal to the atmospheric environment is avoided, the chronic poisoning phenomenon of villagers is avoided, energy conservation and emission reduction can be realized, and the economical efficiency and the practicability are higher.

Description

Biomass gas and air source heating system

Technical Field

The utility model relates to a living beings gas and air source heating system belongs to heating equipment water technical field.

Background

In northern areas of China, most rural areas cannot perform central heating due to geographical positions, population dispersion, environmental factors and the like, and each household villager performs independent heating in a coal-fired mode, namely: the coal-fired heating furnace supplies circulating hot water to the heating radiator for heat supply. In rural areas in northern areas, in winter every day, after the heating of villagers in each household begins, soot generated by coal-fired heating is directly discharged to the atmosphere without any treatment.

Although the heating problem of villagers is solved, the coal burning bulk combustion is an important reason for haze formation and is a prominent problem that important management and control are needed for controlling atmospheric pollution. Besides a large amount of particles generated during the burning of the fire coal, harmful gases such as sulfur dioxide, nitrogen oxides, hydrocarbons and the like are also formed, and the gaseous pollutants can generate a series of chemical reactions in the atmosphere to generate secondary PM2.5 and the like, so that the environment is greatly damaged.

In addition, during the process of burning coal, the coal-fired heating stove can release harmful substances such as fluorine and the like to the indoor, pollute the indoor air and food, and cause chronic accumulative poisoning of villagers living in the environment, wherein the disease is dental fluorosis and fluorobonosis.

Disclosure of Invention

An object of the utility model is to provide a living beings gas and air source heating system, this heating system are applicable to the heating of scattered family in rural area winter, can replace traditional coal-fired heating mode, have not only avoided the flue gas that coal-fired produced to atmospheric environment's harm, have avoided the fire coal in-process moreover to harmful substances such as the fluorine of indoor release, prevent that the villager from taking place chronic poisoning phenomenon.

The utility model adopts the technical scheme as follows: a biomass gas and air source heating system comprises a heat exchange box and a heating box with an annular cavity structure, wherein a refrigerant channel is arranged in the heat exchange box, the refrigerant channel divides the interior of the heat exchange box into water flow channels with closed labyrinth structures, the refrigerant channel is sequentially connected with a compressor, an evaporator and an expansion valve to form a refrigerant circulation loop, and an air inlet device is arranged at the side end of the evaporator; the water flow channel and the heating box are sequentially connected with a hot water tank, a heating device and a water storage tank and form a circulating hot water loop, the middle of the heating box is provided with a burner which is used for spraying fire all around, the burner is connected with an air supply device, the upper end of the heating box is provided with a flue gas discharge pipe connected with the air supply device, the water flow channel is connected with the heating box, valves are arranged between the water flow channel and the heating box, valves and water pumps are arranged between the water flow channel and the hot water tank, a water pump is arranged between the heating device and the hot water tank, the heating box is located on the lower side of the heat exchange assembly, and the hot water tank is located on the lower side of the heating box.

Preferably, the air inlet device comprises an air inlet cavity with openings at two ends, an air inlet of the air inlet cavity is provided with a gas collecting hood with a trumpet-shaped structure with openings at two ends, a small opening end of the gas collecting hood is connected with the air inlet cavity, a large opening end of the gas collecting hood is provided with a filter layer with a grid structure, an air outlet of the air inlet cavity is provided with a fan, and the fan is arranged at the side end of the evaporator.

Preferably, the refrigerant channel is formed by connecting a plurality of cavities with closed cavity structures and a plurality of connecting pipelines in series to form a closed labyrinth structure.

Preferably, the expansion valve and the refrigerant channel are provided with a first filter for filtering a liquid refrigerant formed after heat exchange to prevent the expansion valve from being blocked.

Preferably, the heat exchange box is of an annular closed cavity structure, the heat exchange box is sleeved on the flue gas discharge pipe, and the bottom of the heat exchange box is connected with the heating box through a support.

Preferably, the heat exchange box is made of heat-insulating and high-temperature-resistant materials.

Preferably, constitute annular combustion space apart from a certain distance between combustor and the heating cabinet, the combustor includes the burning chamber, burning chamber circumference tubular construction, the upper end in burning chamber is equipped with the fender lid that is used for preventing flame from upwards burning, and the circumference side end in burning chamber is opened has a plurality of burner ports, and the bottom in burning chamber is equipped with the air inlet spare, the air inlet spare is connected with air feeder, is equipped with ignition on the burning chamber.

Further, the gas supply device is a methane gas supply device or a natural gas supply device.

Furthermore, the air inlet part is of a cavity structure with an opening at the upper end, the inverted circular truncated cone cavity and the cylindrical cavity form the upper end opening, the upper end of the air inlet part is connected with the combustion cavity, the center of the bottom of the air inlet part is connected with the air supply device, a plurality of air inlet holes used for air to enter are formed in the periphery of the bottom of the air inlet part, and when fuel gas flows in the air inlet part, the air outside the air inlet part can be driven to enter the air inlet part from the air inlet holes to be premixed with the fuel gas, so.

Preferably, the hot water tank is connected with a water supply pipeline for providing domestic hot water, and the water supply pipeline is provided with a faucet.

Preferably, a second filter is arranged between the heating system and the water storage tank.

Preferably, the water storage tank is connected with a water supply device.

The beneficial effects of the utility model reside in that:

the utility model discloses an air source and living beings gas can replace traditional coal-fired heating mode for rural area scattered family heating, have not only avoided the flue gas that coal-fired produced to atmospheric environment's harm, have avoided the fire coal in-process to harmful substances such as the fluorine of indoor release, prevent that villagers from taking place chronic poisoning phenomenon, can realize energy saving and emission reduction moreover, have higher economic nature and practicality.

The utility model discloses can utilize the flue gas that living beings produced and air mixing to provide the heat for the evaporimeter, not only can improve the temperature of refrigerant in the evaporimeter, improve air source heat exchange efficiency, can prevent heat flowing water moreover, have energy-conserving effect.

When the utility model is used for heating, the air source is the main heat source, the biomass gas is the auxiliary heat source, and the user can select the appropriate heat source and operation mode according to the actual use condition or use environment, if the air source can meet the requirement, only the corresponding equipment for air source heat supply is started; if the air source can not meet the requirement, starting the gas heating equipment to assist the air source in supplying heat; if the air source cannot work due to low external environment temperature, starting the gas heat supply equipment, enabling smoke generated by the gas heat supply equipment to enter the air inlet device to be premixed with cold air, enabling the air source heat supply equipment to work, and then assisting the air source equipment to supply heat by the gas heat supply equipment; if the air source or the gas equipment has a fault, the other equipment independently supplies heat; if the hot water demand is great, air source and gas can provide hot water simultaneously, and above-mentioned operation mode makes this heating system suitability wider, selects corresponding operation mode according to actual conditions, can improve this heating system work efficiency.

The utility model discloses a be equipped with loop configuration's heating cabinet and to the combustor of flaming all around, can make the water rapid heating up in the heating cabinet, not only can accelerate hydrothermal efficiency, can reduce the use amount of living beings gas moreover, have energy-conserving effect.

Drawings

Fig. 1 is a schematic view of the novel three-dimensional structure.

Fig. 2 is a schematic view of the internal structure of the heat exchange box of the present invention.

Fig. 3 is a schematic structural diagram of a front section of the novel heating box.

Fig. 4 is a schematic perspective view of the novel burner.

Fig. 5 is a schematic view of the novel heating system.

In the figure: the device comprises a heat exchange box 1, a refrigerant channel 2, a cavity 2-1, a connecting pipeline 2-2, a water flow channel 3, a compressor 4, an evaporator 5, an expansion valve 6, an air inlet device 7, an air inlet cavity 7-1, an air collecting hood 7-2, a fan 7-3, a heating box 8, a hot water tank 9, a heater 10, a water storage tank 11, a combustor 12, a combustion cavity 12-1, a baffle cover 12-2, a combustion port 12-3, an air inlet part 12-4, an air inlet hole 12-5, an air supply device 13, a flue gas discharge pipe 14, a first filter 15, a second filter 16, a water supply device 17 and a support 18.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

As shown in fig. 1-5, the biomass gas and air source heating system includes a heat exchange box 1 and a heating box 8 with an annular cavity structure, wherein a coolant channel 2 is installed inside the heat exchange box 1, the coolant channel 2 divides the inside of the heat exchange box 1 into a water flow channel 3 with a closed labyrinth structure, the coolant channel 2 is sequentially connected with a compressor 4, an evaporator 5 and an expansion valve 6 to form a coolant circulation loop, wherein an air inlet device 7 is arranged at a side end of the evaporator 5, an upper end of the evaporator 5 is connected with the compressor 4 through a first connecting pipeline, the compressor 4 is connected with an inlet of the coolant channel 2 through a second pipeline, an outlet of the coolant channel 2 is connected with the evaporator 5 through a third connecting pipeline, and the third connecting pipeline is provided with the expansion valve 6; the water flow channel 3 and the heating tank 8 are sequentially connected with a hot water tank 9, a heater 10 and a water storage tank 11 to form a circulating hot water loop, wherein a water outlet of the water flow channel 3 is connected with a tee joint, one end of the tee joint is connected with the upper part in the cavity of the heating tank 8 through a fourth connecting pipeline and a first valve, the other end of the tee joint is connected with the hot water tank 9 through a fifth connecting pipeline and a second valve, the bottom of the heating tank 8 is connected with the hot water tank 9 through a sixth connecting pipeline and a third valve, the hot water tank 9 is connected with the heater 10 through a heating pipeline and a first water pump, the heater 10 is connected with the water storage tank 11 through a seventh connecting pipeline, the water storage tank 11 is respectively connected with a water inlet of the water flow channel 3 and the cavity of the heating tank 8 through a water conveying pipeline, and particularly, the water conveying pipeline connecting the water storage tank 11 and the water flow channel 3 is respectively provided, a water conveying pipeline for connecting the water storage tank 11 with the heating tank 8 is respectively provided with a fifth valve and a third water pump; the middle part of heating cabinet 8 is equipped with and is used for combustion gas and to the combustor 12 of flaming all around, combustor 12 is connected with air feeder 13 through sixth valve, and the sealed flue gas delivery pipe 14 that is fixed with the middle part intercommunication with heating cabinet 8 in upper end of heating cabinet 8, flue gas delivery pipe 14 is connected with air inlet unit 7 through eighth connecting line, heating cabinet 8 is located the heat exchange assemblies downside, and hot-water tank 9 is located heating cabinet 8 downside.

Preferably, the air inlet device 7 comprises an air inlet cavity 7-1 with openings at two ends, an air collecting hood 7-2 with a trumpet-shaped structure with openings at two ends is welded and fixed at an air inlet of the air inlet cavity 7-1, a small opening end of the air collecting hood 7-2 is connected with the air inlet cavity 7-1, a filter layer (not shown in the figure) with a grid structure is welded and fixed at a large opening end of the air collecting hood 7-2, a fan 7-3 is installed at an air outlet of the air inlet cavity 7-1, and the fan 7-3 is installed at a side end of the evaporator 5.

Preferably, the refrigerant channel 2 is formed by connecting a plurality of cavities 2-1 with a closed cavity structure and a plurality of connecting pipelines 2-2 in series to form a closed labyrinth structure.

Preferably, the expansion valve 6 and the refrigerant channel 2 are provided with a first filter 15 for filtering the liquid refrigerant formed after heat exchange to prevent the expansion valve 6 from being blocked.

Preferably, the heat exchange box 1 is of an annular closed cavity structure, the heat exchange box 1 is sleeved on the flue gas discharge pipe 14, and the bottom of the heat exchange box 1 is connected with the heating box 8 through a bracket 18.

Preferably, the heat exchange box 1 is made of heat-insulating and high-temperature-resistant materials.

Preferably, an annular combustion space is formed between the combustor 12 and the heating box 8 at a certain distance, the combustor 12 includes a combustion chamber 12-1, the combustion chamber 12-1 has a circumferential tube structure, a baffle cover 12-2 for preventing flame from burning upwards is welded and fixed at the upper end of the combustion chamber 12-1, a plurality of combustion ports 12-3 communicated with the combustion chamber 12-1 are welded and fixed at the circumferential side end of the combustion chamber 12-1, an air inlet member 12-4 is welded and fixed at the bottom of the combustion chamber 12-1, the air inlet member 12-4 is connected with an air supply device 13 through a sixth valve, and an ignition device (not shown in the figure) is arranged on the combustion chamber 12-1.

Further, the gas supply device 13 is a methane gas supply device 13 or a natural gas supply device 13.

Furthermore, the air inlet part 12-4 is a cavity structure with an opening at the upper end, which is formed by the inverted circular truncated cone cavity 2-1 and the cylindrical cavity 2-1, the upper end of the air inlet part 12-4 is fixedly connected with the combustion cavity 12-1 in a welding manner, the center of the bottom of the air inlet part 12-4 is connected with the air supply device 13, the periphery of the bottom of the air inlet part 12-4 is provided with a plurality of air inlets 12-5 for air to enter, and when gas flows in the air inlet part 12-4, the air outside the air inlet part 12-4 can be driven to enter the air inlet part 12-4 from the air inlets 12-5 to be premixed with the gas, so that the combustion quality.

Preferably, the hot water tank 9 is connected to a water supply line (not shown) for supplying domestic hot water, the water supply line being provided with a faucet (not shown).

Preferably, a second filter 16 is installed between the heater 10 and the water storage tank 11.

Preferably, a water supply device 17 is connected to the water storage tank 11.

The utility model discloses a theory of operation and application method:

when the intelligent control system is used, a user can select a corresponding operation mode according to actual conditions, the system can be manually operated or configured with a corresponding intelligent control system to automatically operate, and all valves and the water pump are in a closed state before use.

The first mode is as follows: if the air source can satisfy the demand, only start the corresponding equipment of air source heat supply can.

The second valve, the fourth valve, the first water pump, the second water pump is opened, the air inlet device 7, the evaporator 5, the compressor 4 and the expansion valve 6 operate to provide high-temperature high-pressure gas for the refrigerant channel 2 of the heat exchange assembly, meanwhile, after cold water in the water storage tank 11 enters the water channel 3 through the second water pump to exchange heat with the high-temperature high-pressure gas, the high-temperature high-pressure gas is changed into low-temperature low-pressure liquid, the low-temperature low-pressure liquid flows through the expansion valve 6, the evaporator 5 and the compressor 4 to generate the high-temperature high-pressure gas again, the high-temperature high-pressure gas circulates in sequence, the cold water enters the hot water tank 9 after being changed into hot water and flows into the central heating system 10 through.

And a second mode: if the air source can not work due to the low external environment temperature, the gas heating equipment is started, the smoke generated by the gas heating equipment enters the air inlet device 7 to be premixed with cold air, so that the air source heating equipment can work, and then the gas heating equipment assists the air source equipment to supply heat.

The first valve, the third valve, the fifth valve, the first water pump and the third water pump are started, cold water enters the heating box 8 from the water storage box 11 through the third water pump, the air supply device 13 is started, the air supply device 13 provides fuel gas for the combustor 12, the fuel gas sprayed by the combustor 12 is ignited through the ignition device, high-temperature flue gas generated by fuel gas combustion is premixed with cold air through the air inlet device 7, so that the air source heating equipment can work, the air inlet device 7, the evaporator 5, the compressor 4 and the expansion valve 6 run to provide high-temperature high-pressure gas for the refrigerant channel 2 of the heat exchange assembly, the fourth valve and the second water pump are opened, the fifth valve and the third water pump are closed, the cold water in the water storage box 11 enters the water channel 3 through the second water pump to exchange heat with the high-temperature high-pressure gas, the cold water is changed into hot water to enter the heating box 8, the flame size is controlled according to the sixth valve, and heat supply can be, therefore, the burner 12 only needs a small amount of gas to burn, and hot water enters the hot water tank 9 from the heating tank 8 to provide hot water for the heater 10.

And a third mode: if the air source or the gas equipment has a fault, the other equipment independently supplies heat, taking the air source heat supply equipment as an example.

The third valve, the fifth valve, the first water pump and the third water pump are opened, cold water enters the heating box 8 through the third water pump, the burner 12 heats the heating box 8, and hot water enters the hot water tank 9 to provide hot water for the heater 10.

And a fourth mode: if the demand of hot water is large, the air source and the fuel gas can provide hot water at the same time.

And the second valve, the third valve, the fourth valve and the fifth valve are opened, the first water pump, the second water pump and the third water pump are started, and the air source heat supply and the gas heat supply are independently operated to form a parallel heat supply system, so that hot water can be supplied to the hot water tank 9 simultaneously to supply heat.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a living beings gas and air source heating system, includes the heating cabinet of heat exchange box, annular cavity structure, characterized by: a coolant channel is arranged in the heat exchange box, and the coolant channel divides the interior of the heat exchange box into water flow channels with closed labyrinth structures;

the refrigerant channel is sequentially connected with a compressor, an evaporator and an expansion valve to form a refrigerant circulation loop, wherein an air inlet device is arranged at the side end of the evaporator;

the water flow channel and the heating tank are sequentially connected with a hot water tank, a heater and a water storage tank to form a circulating hot water loop;

the middle part of the heating box is provided with a burner which sprays fire to the periphery, the burner is connected with an air supply device, and the upper end of the heating box is provided with a smoke discharge pipe connected with the air supply device

Wherein, rivers passageway is connected with the heating cabinet, all is equipped with the valve between rivers passageway and heating cabinet and the hot-water tank, is equipped with valve and water pump respectively between water storage box and rivers passageway and the heating cabinet, is equipped with the water pump between heating installation and the hot-water tank, and the heating cabinet is located the heat exchange assembly downside, and the hot-water tank is located the heating cabinet downside.

2. The biomass gas and air source heating system according to claim 1, wherein: the air inlet device comprises an air inlet cavity with openings at two ends, a gas collecting hood with a horn-shaped structure with openings at two ends is mounted at an air inlet of the air inlet cavity, a small opening end of the gas collecting hood is connected with the air inlet cavity, a filtering layer with a grid structure is arranged at a large opening end of the gas collecting hood, a fan is mounted at an air outlet of the air inlet cavity, and the fan is mounted at the side end of the evaporator.

3. The biomass gas and air source heating system according to claim 1, wherein: the refrigerant channel is formed by connecting a plurality of cavities with sealed cavity structures and a plurality of connecting pipelines in series to form a sealed labyrinth structure.

4. The biomass gas and air source heating system according to claim 1, wherein: a first filter is arranged between the expansion valve and the refrigerant channel; and a second filter is arranged between the heating system and the water storage tank.

5. The biomass gas and air source heating system according to claim 1, wherein: the heat exchange box is of an annular closed cavity structure, is sleeved on the flue gas discharge pipe, and is connected with the heating box through a support at the bottom; the heat exchange box is made of heat-insulating and high-temperature-resistant materials.

6. The biomass gas and air source heating system according to claim 1, wherein: the annular combustion space is formed between the combustor and the heating box at a certain distance, the combustor comprises a combustion chamber, a circumferential pipe structure of the combustion chamber is arranged at the upper end of the combustion chamber, a blocking cover used for preventing flame from upwards combusting is arranged at the circumferential side end of the combustion chamber, a plurality of combustion ports are formed in the circumferential side end of the combustion chamber, an air inlet part is arranged at the bottom of the combustion chamber, the air inlet part is connected with an air supply device, and an ignition device is arranged on the combustion chamber.

7. The biomass gas and air source heating system according to claim 1 or 6, wherein: the gas supply device is a methane gas supply device or a natural gas supply device.

8. The biomass gas and air source heating system according to claim 6, wherein: the air inlet part is of a cavity structure with an opening at the upper end, the inverted round table cavity and the cylindrical cavity form the air inlet part, the upper end of the air inlet part is connected with the combustion cavity, the center of the bottom of the air inlet part is connected with an air supply device, and a plurality of air inlet holes for air to enter are formed in the periphery of the bottom of the air inlet part.

9. The biomass gas and air source heating system according to claim 1, wherein: the hot water tank is connected with a water supply pipeline for providing domestic hot water, and the water supply pipeline is provided with a faucet.

10. The biomass gas and air source heating system according to claim 1, wherein: the water storage tank is connected with a water supply device.

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