CN215637332U

CN215637332U - Firepower-adjustable energy-saving environment-friendly air return furnace

Info

Publication number: CN215637332U
Application number: CN202121905940.7U
Authority: CN
Inventors: 黄海洋; 黄凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-25
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a firepower adjustable energy-saving environment-friendly air return furnace which comprises a furnace base, a furnace body, a furnace core, a furnace panel, an ash box, a smoke exhaust chamber, a furnace bridge, a heat insulation support ring, a heat conduction mechanism and a backflow mechanism, wherein the furnace panel is arranged on the furnace base through the furnace body; a heat insulation support ring is also arranged in the furnace base, the furnace core is arranged in the furnace body through a furnace bridge, and a hearth is arranged in the furnace core; the ash box is arranged in the furnace base, and the smoke exhaust chamber is arranged on the outer side surface of the furnace body; a first regenerative cavity is formed between the furnace body and the furnace core, a second regenerative cavity is formed between the furnace base and the heat insulation support ring, the first regenerative cavity is communicated with the second regenerative cavity through a heat conduction mechanism, and the smoke discharge chamber is communicated with the second regenerative cavity through a backflow mechanism. The air return furnace has the advantages of simple structure and convenient operation and use, can realize double functions of heating and cooking, and also has the purpose of adjusting firepower.

Description

Firepower-adjustable energy-saving environment-friendly air return furnace

Technical Field

The utility model relates to the technical field of combustion stoves in daily life, in particular to a firepower adjustable energy-saving environment-friendly air return furnace.

Background

The air return furnace is a device for heating or cooking by burning coal or other biomass fuels, and mainly comprises a furnace body barrel for heat insulation, a combustion chamber is arranged in the furnace body, the coal or the biomass fuels are put into the combustion chamber to generate heat after being combusted, and the heating purpose is achieved by the heat emitted by the furnace body. In order to improve the heating effect of the return air furnace, the structure of the return air furnace is improved differently, and although the heating effect is improved, the consumption of fuel is increased. The existing air return furnace mainly has the problems that firstly, the temperature of the upper half part of a furnace body is high, and the temperature of the lower half part is low; secondly, the furnace body close to one side of the smoke exhaust pipe is warm, but the furnace body far away from one side of the smoke exhaust pipe cannot feel warm, thirdly, the furnace seat of the return air furnace is basically cold and cannot feel warm, fourthly, after the fuel is combusted, the return air process is only carried out in the furnace body and does not reach the bottom of the return air furnace, not only is the generated heat energy not fully utilized, but also the heat energy is directly discharged through the smoke exhaust pipe, so that the firepower cannot be adjusted. Therefore, the existing air return stove needs to be improved, so that the stove fire can be burnt vigorously to achieve the purpose that the stove is used for cooking, and the generated heat energy can be utilized to improve the temperature of the stove body and the stove base so as to achieve the purpose of warming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the background art, and provides a return air furnace which is simple in structure and convenient to operate.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a fire-adjustable energy-saving environment-friendly air return furnace comprises a furnace base, a furnace body, a furnace core, a furnace panel, an ash box, a smoke exhaust chamber, a furnace bridge, a heat insulation support ring, a heat conduction mechanism and a backflow mechanism, wherein the furnace panel is of a hollow structure in the middle, the furnace panel is arranged on the furnace base through the furnace body, the top of the furnace base is provided with an opening matched with the furnace core, and the furnace bridge is arranged at the opening; the furnace base is internally provided with a furnace core, the furnace core is arranged in the furnace body through the furnace bridge, and a furnace hearth is arranged in the furnace core; the ash box is arranged in the furnace base and is positioned below the heat insulation support ring; the smoke exhaust chamber is annularly arranged on the outer side surface of the furnace body close to one side of the furnace panel, a smoke exhaust channel communicated with the smoke exhaust chamber is arranged on the outer side of the smoke exhaust chamber, a smoke exhaust pipe is arranged at the outlet end of the smoke exhaust channel, and a smoke exhaust control mechanism communicated with the furnace body is also arranged in the smoke exhaust channel; a first regenerative cavity is formed between the furnace body and the furnace core, a second regenerative cavity is formed between the furnace base and the heat insulation support ring, the first regenerative cavity is communicated with the second regenerative cavity through a heat conduction mechanism, and the smoke discharge chamber is communicated with the second regenerative cavity through a backflow mechanism.

Furthermore, the heat conduction mechanism is composed of a plurality of heat conduction pipes arranged on the outer side surface of the furnace core or smoke exhaust holes arranged on the furnace base, the backflow mechanism is composed of a plurality of backflow pipes arranged on the outer side surface of the furnace core, the backflow pipes are arranged in an L-shaped structure, the heat conduction pipes or the smoke exhaust holes and the backflow pipes are uniformly distributed in a staggered state at intervals, the upper ends of the backflow pipes penetrate through the furnace body to be communicated with the smoke exhaust chamber, and the lower ends of the backflow pipes are located in a second regenerative cavity close to one side of the inner wall of the furnace base.

Further, the fire adjustable energy-saving environment-friendly air return furnace provided by the utility model is characterized in that the smoke discharge control mechanism comprises a connecting pipe and a switch regulating valve, the switch regulating valve comprises an operating handle and a regulating valve, the inlet end of the connecting pipe penetrates through the furnace body and the first heat return cavity, the outlet end of the connecting pipe is positioned in the smoke discharge channel, a gap for smoke to flow is formed between the outer side surface of the connecting pipe and the inner wall of the smoke discharge channel, the regulating valve is arranged in the connecting pipe close to one side of the outlet end of the connecting pipe, the operating handle penetrates through the smoke discharge channel and the connecting pipe to be connected with the regulating valve, and the regulating valve is used for controlling the opening and closing state between the first heat return cavity and the smoke discharge channel.

Further, the top of the furnace core is also provided with a detachable fire banking cover which is in a conical structure, the top of the fire banking cover is provided with a fire banking ring, the fire banking ring is composed of an outer ring and an inner ring, and the outer ring and the inner ring are in mutually matched circular structures.

Furthermore, the fire-adjustable energy-saving environment-friendly air return furnace also comprises a furnace bridge crank, one end of the furnace bridge crank is positioned outside the furnace body, the other end of the furnace bridge crank penetrates through the side wall of the furnace body to be connected with the furnace bridge, and the furnace bridge can shake through the furnace bridge crank under the action of external force.

Further, the firepower adjustable energy-saving environment-friendly air return furnace is characterized in that the furnace base and the furnace panel are both of a square or round structure, a heat insulation furnace ring is arranged in the hollow position in the middle of the furnace panel, the heat insulation furnace ring is composed of an outer layer furnace ring, an inner layer furnace ring and a central furnace ring, the outer layer furnace ring, the inner layer furnace ring and the central furnace ring are of round structures matched with each other, and the central furnace ring is located right above a hearth.

According to the fire-adjustable energy-saving environment-friendly air return furnace, the heat-insulating support ring is arranged in the furnace base, the first heat return cavity is formed between the furnace body and the furnace core, the second heat return cavity is formed between the furnace base and the heat-insulating support ring, the first heat return cavity is communicated with the second heat return cavity through the heat conduction mechanism, the smoke exhaust chamber is communicated with the second heat return cavity through the backflow mechanism, and under the action of the heat conduction mechanism and the backflow mechanism, heat generated by combustion of fuel in the hearth is used for cooking, and the outer surfaces of the furnace body and the furnace base can be heated by utilizing waste heat, so that the temperature of the furnace body and the furnace base is raised, and the purpose of heating is achieved; meanwhile, as the smoke exhaust control mechanism is also arranged, the regulating valve is used for controlling the opening and closing state between the first reheating cavity and the smoke exhaust channel, so that the aim of regulating firepower is fulfilled, and finally, the smoke is discharged outside by using the smoke exhaust pipe, so that the energy utilization rate can be greatly improved, and the air return furnace is more energy-saving. Therefore, the air return furnace has the advantages of simple structure, convenience in operation and use, safety and practicability, can realize double functions of heating and cooking, has the purpose of adjusting the firepower, avoids energy waste and achieves the purposes of energy conservation and emission reduction.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 along the line A-A;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Shown in the figure: 1-furnace base, 2-furnace body, 3-furnace core, 31-furnace chamber, 4-furnace panel, 41-heat insulation furnace ring, 5-ash box, 6-smoke exhaust chamber, 61-smoke exhaust channel, 62-smoke exhaust pipe, 63-smoke exhaust control mechanism, 7-furnace bridge, 8-heat insulation support ring, 9-heat conduction mechanism, 10-reflux mechanism, 11-fire banking cover, 12-fire banking ring and 13-furnace bridge crank.

Detailed Description

To further illustrate the concepts of the present invention, embodiments of the present invention will be further described with reference to the accompanying drawings in which:

example one

As shown in fig. 1 to 4, the fire-adjustable energy-saving environment-friendly air return furnace of the present invention comprises a furnace base 1, a furnace body 2, a furnace core 3, a furnace panel 4, an ash box 5, a smoke exhaust chamber 6, a furnace bridge 7, a heat insulation support ring 8, a heat conduction mechanism 9 and a backflow mechanism 10, wherein the furnace panel 4 is a hollow structure, the furnace panel 4 is arranged on the furnace base 1 through the furnace body 2, an opening matched with the furnace core 3 is arranged at the top of the furnace base 1, and the furnace bridge 7 is arranged at the opening; the furnace base 1 is also internally provided with an upwards convex heat insulation support ring 8, the heat insulation support ring 8 is positioned below the furnace bridge 7, the furnace core 3 is arranged in the furnace body 2 through the furnace bridge 7, and a furnace chamber 31 is arranged inside the furnace core 3; the ash box 5 is arranged in the furnace base 2 and is positioned below the heat insulation support ring 8; the smoke exhaust chamber 6 is annularly arranged on the outer side surface of the furnace body 2 close to one side of the furnace panel 4, a smoke exhaust channel 61 communicated with the smoke exhaust chamber 6 is arranged on the outer side of the smoke exhaust chamber 6, a smoke exhaust pipe 62 is arranged at the outlet end of the smoke exhaust channel 61, and a smoke exhaust control mechanism 63 communicated with the furnace body 2 is also arranged in the smoke exhaust channel 61; the smoke exhaust control mechanism 63 comprises a connecting pipe and a switch regulating valve, the switch regulating valve consists of an operating handle and a regulating valve, the inlet end of the connecting pipe penetrates through the furnace body 2 and the first heat recovery cavity, the outlet end of the connecting pipe is positioned in the smoke exhaust channel 61, a gap for smoke to flow is formed between the outer side surface of the connecting pipe and the inner wall of the smoke exhaust channel 61, the regulating valve is arranged in the connecting pipe close to one side of the outlet end of the connecting pipe, the operating handle penetrates through the smoke exhaust channel 61 and the connecting pipe to be connected with the regulating valve, and the regulating valve is used for controlling the opening and closing state between the first heat recovery cavity and the smoke exhaust channel 61; a first regenerative cavity is formed between the furnace body 2 and the furnace core 3, a second regenerative cavity is formed between the furnace base 1 and the heat insulation support ring 8, the first regenerative cavity is communicated with the second regenerative cavity through a heat conduction mechanism 9, and the smoke discharge chamber 6 is communicated with the second regenerative cavity through a backflow mechanism 10; the heat conduction mechanism 9 is a plurality of set up in the heat pipe of 3 lateral surfaces of wick, return mechanism 10 is a plurality of set up in the back flow of 3 lateral surfaces of wick constitutes, the back flow setting is L type structure, is the interval state evenly distributed that staggers between a plurality of heat pipes or smoke vent and the back flow, wherein the upper end of back flow is passed furnace body 2 and is communicated with each other with smoke exhausting chamber 6, and the lower extreme is located and is close to in the second backheat cavity of 1 inner wall one side of furnace base.

Further, the top of the furnace core 3 is also provided with a detachable fire banking cover 11, the fire banking cover 11 is arranged to be of a conical structure, the top of the fire banking cover 11 is provided with a fire banking ring 12, the fire banking ring 12 is composed of an outer ring and an inner ring, and the outer ring and the inner ring are of circular structures matched with each other.

Further, the fire-adjustable energy-saving environment-friendly air return furnace also comprises a furnace bridge crank 13, one end of the furnace bridge crank 13 is positioned outside the furnace body 2, the other end of the furnace bridge crank 13 penetrates through the side wall of the furnace body 2 to be connected with the furnace bridge 7, and the furnace bridge 7 can shake through the furnace bridge crank 13 under the action of external force.

Further, the fire-adjustable energy-saving environment-friendly air return furnace provided by the utility model is characterized in that the furnace base 1 and the furnace panel 4 are both of a square or round structure, a heat-insulating furnace ring 41 is arranged in the hollow part in the middle of the furnace panel 4, the heat-insulating furnace ring 41 is composed of an outer-layer furnace ring, an inner-layer furnace ring and a central furnace ring, the outer-layer furnace ring, the inner-layer furnace ring and the central furnace ring are of round structures which are matched with each other, and the central furnace ring is positioned right above the hearth 31.

In the practical application process, the structures of the furnace base 1 and the furnace panel 4 can be set to be square or round structures according to different user requirements, the furnace body 2 and the furnace core 3 can also be set to be cylinder structures or square structures, or the structures of the furnace base 1, the furnace body 2, the furnace core 3 and the furnace panel 4 can be set to be other shapes as long as the strength requirements can be met.

Example two

As shown in fig. 1, fig. 2 and fig. 5, the main structure of the fire-adjustable energy-saving environment-friendly air return furnace of the present invention is substantially the same as the first embodiment, and the differences are only that: the heat conduction mechanism is composed of a plurality of smoke exhaust holes arranged on the furnace base. In the specific manufacturing process, a plurality of smoke exhaust hole structures are adopted, and the purpose is to reduce the manufacturing cost of the return air furnace.

By adopting the air return furnace, the heat insulation support ring 8 is arranged in the furnace base 1, the first heat return cavity is formed between the furnace body 2 and the furnace core 3, the second heat return cavity is formed between the furnace base 1 and the heat insulation support ring 8, the first heat return cavity is communicated with the second heat return cavity through the heat conduction mechanism 9, the smoke exhaust chamber 6 is communicated with the second heat return cavity through the backflow mechanism 10, and under the action of the heat conduction mechanism 9 and the backflow mechanism 10, heat generated by combustion of fuel in the furnace chamber 31 is used for cooking, and the outer surfaces of the furnace body 2 and the furnace base 1 can be heated by utilizing waste heat, so that the temperature of the furnace body 2 and the furnace base 1 is raised, and the purpose of heating is achieved; meanwhile, a smoke exhaust control mechanism 63 communicated with the furnace body 2 is also arranged in the smoke exhaust channel 61; the smoke exhaust control mechanism 63 comprises a connecting pipe and a switch regulating valve, the switch regulating valve is composed of an operating handle and a regulating valve, the inlet end of the connecting pipe penetrates through the furnace body 2 and the first reheating cavity, the outlet end of the connecting pipe is positioned in the smoke exhaust channel 61, a gap for smoke to flow is formed between the outer side surface of the connecting pipe and the inner wall of the smoke exhaust channel 61, the regulating valve is arranged in the connecting pipe close to one side of the outlet end of the connecting pipe, the operating handle penetrates through the smoke exhaust channel 61 and the connecting pipe to be connected with the regulating valve, and the regulating valve is used for controlling the opening and closing state between the first reheating cavity and the smoke exhaust channel 61, so that the purpose of regulating firepower can be achieved, and finally, the smoke exhaust pipe 62 is used for discharging smoke outwards, so that the energy utilization rate can be greatly improved, and the air return furnace is more energy-saving.

The air return furnace has the specific working principle that: when the cooking stove is used for cooking, the regulating valve is opened through the operating handle in the smoke exhaust control mechanism 63, smoke with heat in the first reheating cavity directly enters the smoke exhaust channel 61 through the connecting pipe and is finally discharged outside through the smoke exhaust pipe 62, and at the moment, the firepower is high, so that the purpose of cooking can be achieved, but energy is not saved; when the heating furnace needs to be used as heating, the regulating valve is closed through the operating handle in the smoke exhaust control mechanism 63, smoke with heat in the first heat recovery cavity can only enter the second heat recovery cavity through the heat conduction mechanism 9, so that the top of the furnace base 1 and the furnace body 2 are heated, the smoke entering the second heat recovery cavity finally enters the smoke exhaust chamber 6 through the backflow mechanism 10, a gap for smoke to flow is formed between the outer side surface of the connecting pipe and the inner wall of the smoke exhaust channel 61, the smoke entering the smoke exhaust chamber 6 enters the smoke exhaust channel 61 through the gap formed between the smoke exhaust channel 61 and the connecting pipe, and finally is discharged outside through the smoke exhaust pipe 62, at the moment, the firepower is low, the heating purpose can be achieved, and the energy-saving purpose can be achieved. Therefore, the air return furnace has the advantages of simple structure, convenience in operation and use, safety and practicability, can realize double functions of heating and cooking, has the purpose of adjusting the firepower, avoids energy waste and achieves the purposes of energy conservation and emission reduction.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an energy-concerving and environment-protective return air stove with adjustable firepower which characterized in that: the furnace comprises a furnace base (1), a furnace body (2), a furnace core (3), a furnace panel (4), an ash box (5), a smoke exhaust chamber (6), a furnace bridge (7), a heat insulation support ring (8), a heat conduction mechanism (9) and a backflow mechanism (10), wherein the furnace panel (4) is of a middle hollow structure, the furnace panel (4) is arranged on the furnace base (1) through the furnace body (2), the top of the furnace base (1) is provided with an opening matched with the furnace core (3), and the furnace bridge (7) is arranged at the opening; the furnace base (1) is also internally provided with an upwards convex heat insulation support ring (8), the heat insulation support ring (8) is positioned below the furnace bridge (7), the furnace core (3) is arranged in the furnace body (2) through the furnace bridge (7), and a hearth (31) is arranged in the furnace core (3); the ash box (5) is arranged in the furnace base (2) and is positioned below the heat insulation support ring (8); the smoke exhaust chamber (6) is annularly arranged on the outer side surface of the furnace body (2) close to one side of the furnace panel (4), a smoke exhaust channel (61) communicated with the smoke exhaust chamber (6) is arranged on the outer side of the smoke exhaust chamber (6), a smoke exhaust pipe (62) is arranged at the outlet end of the smoke exhaust channel (61), and a smoke exhaust control mechanism (63) communicated with the furnace body (2) is also arranged in the smoke exhaust channel (61); a first regenerative cavity is formed between the furnace body (2) and the furnace core (3), a second regenerative cavity is formed between the furnace base (1) and the heat insulation support ring (8), the first regenerative cavity is communicated with the second regenerative cavity through a heat conduction mechanism (9), and the smoke exhaust chamber (6) is communicated with the second regenerative cavity through a backflow mechanism (10).

2. The fire-adjustable energy-saving environment-friendly air return furnace as claimed in claim 1, characterized in that: heat conduction mechanism (9) be a plurality of set up in the heat pipe of wick (3) lateral surface or set up in smoke vent on furnace base (1) is constituteed, return mechanism (10) be a plurality of set up in the back flow of wick (3) lateral surface is constituteed, the back flow sets up and is L type structure, is the state evenly distributed of staggering at interval between a plurality of heat pipes or smoke vent and the back flow, wherein furnace body (2) are passed to the upper end of back flow and are communicated with each other with smoke exhausting chamber (6), and the lower extreme is located and is close to in the second heat regeneration cavity of furnace base (1) inner wall one side.

3. The fire-adjustable energy-saving environment-friendly air return furnace as claimed in claim 1, characterized in that: the control mechanism of discharging fume (63) is including connecting pipe and switch governing valve, and the switch governing valve comprises action handle and governing valve, furnace body (2) and first heat recovery cavity are passed to the entrance point of connecting pipe, and the exit end of connecting pipe is arranged in passageway (61) of discharging fume, be formed with the clearance that supplies the flue gas to flow between the lateral surface of connecting pipe and the inner wall of passageway (61) of discharging fume, the governing valve sets up in the connecting pipe that is close to connecting pipe exit end one side, the action handle passes passageway (61) of discharging fume and the connecting pipe is connected with the governing valve, through the governing valve is used for controlling the on-off state between first heat recovery cavity and the passageway (61) of discharging fume.

4. The fire-adjustable energy-saving environment-friendly air return furnace as claimed in claim 1, characterized in that: the top of stove core (3) still is equipped with detachable and seals fire cover (11), it is the toper structure to seal fire cover (11) setting, and the top of sealing fire cover (11) is equipped with and seals fire circle (12), it comprises outer lane and inner circle to seal fire circle (12), the circular structure of mutually matcing is established to outer lane and inner circle.

5. The fire-adjustable energy-saving environment-friendly air return furnace as claimed in claim 1, characterized in that: the furnace bridge is characterized by further comprising a furnace bridge crank (13), wherein one end of the furnace bridge crank (13) is located on the outer side of the furnace body (2), the other end of the furnace bridge crank (13) penetrates through the side wall of the furnace body (2) to be connected with the furnace bridge (7), and under the action of external force, the furnace bridge crank (13) can enable the furnace bridge (7) to shake.

6. The fire-adjustable energy-saving environment-friendly air return furnace as claimed in claim 1, characterized in that: the structure of furnace base (1) and furnace panel (4) is square or circular structure the hollow department in the middle of furnace panel (4) is equipped with thermal-insulated stove circle (41), thermal-insulated stove circle (41) comprises outer stove circle, inlayer stove circle and central stove circle, outer stove circle, inlayer stove circle and central stove circle establish the circular structure of mutually matching, central stove circle is located directly over furnace (31).