CN213599420U

CN213599420U - Secondary air supply structure of outdoor furnace

Info

Publication number: CN213599420U
Application number: CN202022731681.2U
Authority: CN
Inventors: 覃钦文; 杨成; 胡建芳; 李学钰
Original assignee: SICHUAN YANSEN FURNACE INDUSTRY CO LTD
Current assignee: SICHUAN YANSEN FURNACE INDUSTRY CO LTD
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-02
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a stove technical field provides an outdoor stove secondary air feed structure, including the furnace body that has furnace, the inside secondary air feed chamber that is equipped with of furnace body, the air intake with secondary air feed chamber intercommunication is seted up to the outer wall of furnace body, and the secondary air outlet with furnace intercommunication is seted up to the secondary air feed chamber. The utility model relates to a rationally, moreover, the steam generator is simple in structure, through set up the secondary air supply chamber in furnace, harmful and inflammable flue gas that produces at fuel burning makes progress the diffusion in-process, outside air passes through the air intake and gets into the secondary air supply chamber, in secondary air outlet from the secondary air supply chamber flowed into furnace again, oxygen in the air was mixed with the flue gas this moment, and then make flue gas postcombustion, thereby make the flue gas obtain abundant burning, the thermal efficiency when improving fuel burning, the pollution that the flue gas that produces when alleviateing fuel burning caused the environment simultaneously.

Description

Secondary air supply structure of outdoor furnace

Technical Field

The utility model relates to a stove technical field particularly, relates to an outdoor stove secondary air feed structure.

Background

The stove is a heating and cooking device. For some people in nomadic life, the stove is necessary equipment for production and life. In addition, with the gradual improvement of the living standard of urban residents and the pursuit of leisure life, more and more people enjoy outdoor activities in holidays. Cooking in the open air is carried out after the activity, which inevitably becomes a main activity content, and can increase the pleasure among relatives and children or promote the friendship among relatives and friends.

To this end, the applicant previously filed a patent application entitled "an outdoor oven" with application number CN 2019209020988. The application describes an outdoor furnace, which comprises a furnace body and a storage rack, wherein the storage rack is pivoted on the furnace body, so that the storage rack can rotate to a storage state and an expansion state relative to the furnace body; the limiting part enables the storage rack to rotate relative to the furnace body to the unfolding state and then to be limited to the unfolding state. However, in practical use, a large amount of harmful and combustible smoke is generated by burning fuel, and the smoke directly flows away from the smoke exhaust pipe, so that on one hand, environmental pollution is caused, on the other hand, a large amount of heat in the furnace is taken away, more heat loss is caused, and the thermal efficiency of the outdoor furnace is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor furnace secondary air feed structure, it can realize carrying out the secondary air feed in to furnace for harmful and flammable flue gas carries out the postcombustion, and the thermal efficiency when improving fuel combustion alleviates the pollution degree to the environment.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides an outdoor stove secondary air feed structure, is including the furnace body that has furnace, the inside secondary air feed chamber that is equipped with of furnace body, the outer wall of furnace body seted up with the air intake of secondary air feed chamber intercommunication, the secondary air feed chamber seted up with the secondary air outlet of furnace intercommunication.

Through the setting, the in-process of fuel burning in the furnace, the harmful and flammable flue gas of production is at the in-process of upwards diffusion, outside air passes through the air intake and gets into secondary air supply chamber, in the secondary air outlet inflow furnace in secondary air supply chamber again, oxygen in the air mixes with the flue gas this moment, and then make flue gas after combustion, thereby make harmful and flammable flue gas fully burn, thermal efficiency when improving fuel combustion, the pollution that the flue gas that produces when alleviateing fuel combustion caused the environment simultaneously.

Optionally, the number of the secondary air supply cavities is two, and the two secondary air supply cavities are arranged oppositely.

Optionally, the secondary air supply cavity is provided with a primary air outlet, and the primary air outlet is located below the secondary air outlet.

Optionally, the secondary air supply cavity includes at least one vertical wall and at least one inclined wall, the higher side of the inclined wall is connected with the top of the vertical wall, and the vertical wall and the inclined wall are both provided with secondary air outlets.

Optionally, the two opposite sides of the furnace body are respectively provided with a feeding port and a smoke exhaust pipe, one secondary air supply cavity is close to the feeding port, and the other secondary air supply cavity is close to the smoke exhaust pipe.

Optionally, the number of the air inlets is multiple, and the multiple air inlets are arranged at intervals along the horizontal direction.

Optionally, a partition plate is arranged inside the hearth, and the partition plate and the inner wall of the furnace body enclose the secondary air supply cavity.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model relates to a rationally, moreover, the steam generator is simple in structure, through set up the secondary air supply chamber in furnace, harmful and inflammable flue gas that produces at fuel burning makes progress the diffusion in-process, outside air passes through the air intake and gets into the secondary air supply chamber, in secondary air outlet from the secondary air supply chamber flowed into furnace again, oxygen in the air was mixed with the flue gas this moment, and then make flue gas postcombustion, thereby make the flue gas obtain abundant burning, the thermal efficiency when improving fuel burning, the pollution that the flue gas that produces when alleviateing fuel burning caused the environment simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a main sectional view of a furnace body provided in an embodiment of the present invention;

FIG. 2 is a right side view of the furnace body according to the embodiment of the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

Icon: 1-furnace body, 101-hearth, 2-charging port, 3-smoke exhaust pipe, 4-secondary air supply cavity, 5-air inlet, 6-secondary air outlet, 7-primary air outlet, 8-vertical wall and 9-inclined wall. .

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 and 2, a secondary air supply structure for an outdoor furnace includes a furnace body 1 having a hearth 101, wherein a fire grate for supporting fuel is provided inside the furnace body 1; meanwhile, one side of the furnace body 1 is provided with a feeding port 2, and the other side of the furnace body 1 is provided with a smoke exhaust pipe 3 for exhausting smoke generated in the combustion process. In addition, the inside secondary air supply chamber 4 that is equipped with of furnace body 1, the air intake 5 with the intercommunication in secondary air supply chamber 4 is seted up to the outer wall of furnace body 1, and secondary air supply chamber 4 is seted up the secondary air outlet 6 with furnace 101 intercommunication. It should be noted that the secondary air supply cavity 4 may be directly formed in the side wall of the furnace body 1, or the secondary air supply cavity 4 may be isolated by disposing a corresponding partition plate in the furnace 101, in order to simplify the process of forming the secondary air supply cavity 4, in this embodiment, a partition plate is disposed inside the furnace 101, and the partition plate and the inner wall of the furnace body 1 enclose the secondary air supply cavity 4, which is not described herein in detail for specific implementation manners. Meanwhile, in order to improve the air intake efficiency, the air inlets 5 are provided in plurality, and the plurality of air inlets 5 are arranged at intervals along the horizontal direction.

Through the aforesaid setting, the in-process of fuel burning in furnace 101, the harmful and flammable flue gas of production is at the in-process of upwards diffusion, outside air passes through air intake 5 entering secondary air supply chamber 4, in 6 inflow furnace 101 of secondary air outlet from secondary air supply chamber 4 again, oxygen and flue gas intensive mixing in the air this moment, and then make the flue gas after combustion, thereby make harmful and flammable flue gas can the intensive combustion, thermal efficiency when improving the fuel burning, the pollution that the flue gas that produces when alleviateing the fuel burning caused the environment simultaneously.

In the present embodiment, it is considered that the flue gas generated during the actual combustion of the fuel diffuses to the surrounding, so that there is still a portion of the flue gas that does not come into contact with the air provided by the secondary air supply chamber 4 and flows directly into the external environment. Therefore, the number of the secondary air supply cavities 4 is two, and the two secondary air supply cavities 4 are arranged oppositely. Realize the mutual convection current of air that two relative secondary air feed chamber 4 that set up provided to make harmful and inflammable flue gas assemble to the centre of furnace 101, realize that the air that secondary air feed chamber 4 provided can be abundant and the flue gas contact mixes, thereby make as much as possible harmful and inflammable flue gas fully burn, thermal efficiency when improving the burning.

Meanwhile, in order to make the secondary air supply chamber 4 have various functions. In this embodiment, the secondary air supply cavity 4 is provided with a primary air outlet 7, and the primary air outlet 7 is located below the secondary air outlet 6. Through this setting for secondary air feed chamber 4 is the passageway when being secondary air feed promptly, also is the passageway when once air feed simultaneously, and at the initial stage of burning promptly, outside air passes through air intake 5 and gets into secondary air feed chamber 4, and partial air is direct from a air outlet 7 entering furnace 101 in, and directly blows to fuel position, makes fuel accelerate the burning, the raising the heat efficiency. Meanwhile, the remaining air moves upward along the secondary air supply cavity 4 and finally flows into the hearth 101 through the secondary air outlet 6, and at the moment, the air is mixed with harmful and combustible smoke generated by fuel combustion, so that the harmful and combustible smoke can be sufficiently combusted.

In the present embodiment, in order to enable better convection of the secondary air provided by the two secondary air supply chambers 4. Referring to fig. 3, the secondary air supply cavity 4 includes at least one vertical wall 8 and at least one inclined wall 9, a higher side of the inclined wall 9 is connected to a top of the vertical wall 8, and the vertical wall 8 and the inclined wall 9 are both provided with a secondary air outlet 6. Make the air that secondary air feed chamber 4 flows partly along the horizontal direction motion and the flue gas mixes through above-mentioned setting, and another part air moves towards the direction at fuel place to the flue gas that produces among the continuous disturbance combustion process, make better and the air intensive mixing of flue gas, reinforcing combustion effect.

Meanwhile, in this embodiment, in the two oppositely disposed secondary air supply cavities 4, one of the secondary air supply cavities 4 is disposed next to the material charging port 2, and the other secondary air supply cavity 4 is disposed next to the smoke exhaust pipe 3. Make structural arrangement more reasonable, and can be effectual make the flue gas after the postcombustion can be smooth discharge from discharging fume pipe 3.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an outdoor stove secondary air feed structure, is including the furnace body that has furnace, its characterized in that: the furnace body is internally provided with a secondary air supply cavity, the outer wall of the furnace body is provided with an air inlet communicated with the secondary air supply cavity, and the secondary air supply cavity is provided with a secondary air outlet communicated with the furnace cavity.

2. The outdoor furnace secondary air supply structure of claim 1, wherein: the secondary air supply cavity is two, two the secondary air supply cavity sets up relatively.

3. The outdoor furnace secondary air supply structure of claim 1, wherein: and the secondary air supply cavity is provided with a primary air outlet, and the primary air outlet is positioned below the secondary air outlet.

4. The outdoor furnace secondary air supply structure of claim 1, wherein: the secondary air supply cavity comprises at least one vertical wall and at least one inclined wall, the higher side of the inclined wall is connected with the top of the vertical wall, and secondary air outlets are formed in the vertical wall and the inclined wall.

5. The outdoor furnace secondary air supply structure of claim 2, wherein: the two opposite sides of the furnace body are respectively provided with a feeding port and a smoke exhaust pipe, one secondary air supply cavity is close to the feeding port, and the other secondary air supply cavity is close to the smoke exhaust pipe.

6. The outdoor furnace secondary air supply structure of claim 1, wherein: the number of the air inlets is multiple, and the multiple air inlets are arranged at intervals along the horizontal direction.

7. The outdoor furnace secondary air supply structure of claim 1, wherein: and a partition plate is arranged in the hearth and surrounds the secondary air supply cavity together with the inner wall of the furnace body.