阅读说明：本技术 一种无烟型节能回风炉 (Smokeless energy-saving air return furnace ) 是由 欧阳志尧 彭凯杰 陈如龙 潘梓豪 于 2021-01-06 设计创作，主要内容包括：本发明公开了一种无烟型节能回风炉,包括有底座以及分别安装在底座上的燃烧机,燃烧机的内部分别安装有燃料储存箱、驱动装置和脉冲点火器,脉冲点火器分别通过第一导线、第二导线连接有第一电极和第二电极,燃烧机的一侧安装有风包罩,风包罩的顶部安装有炉膛外壳,炉膛外壳的顶部安装有隔热装置,炉膛外壳的内部安装有炉膛内壳,风包罩与炉膛内壳之间安装有炉膛装置。在点火之前,先控制驱动装置往炉膛内的固体燃料喷射一定量的可燃性液体,之后通过脉冲点火器工作,脉冲点火器就会控制第一电极和第二电极产生电弧,从而将炉膛内的可燃性液体点燃,而炉膛本体内的固体燃料在可燃性液体的助燃下,快速点燃起火,从而不会产生烟气。(The invention discloses a smokeless energy-saving air return furnace which comprises a base and burners respectively arranged on the base, wherein a fuel storage box, a driving device and a pulse igniter are respectively arranged in each burner, the pulse igniter is respectively connected with a first electrode and a second electrode through a first lead and a second lead, an air bag cover is arranged on one side of each burner, a hearth outer shell is arranged at the top of each air bag cover, a heat insulation device is arranged at the top of each hearth outer shell, a hearth inner shell is arranged in each hearth outer shell, and a hearth device is arranged between each air bag cover and each hearth inner shell. Before ignition, the driving device is controlled to spray a certain amount of combustible liquid to the solid fuel in the hearth, then the pulse igniter works, the pulse igniter controls the first electrode and the second electrode to generate electric arcs, so that the combustible liquid in the hearth is ignited, and the solid fuel in the hearth body is quickly ignited to fire under the combustion supporting of the combustible liquid, so that smoke is not generated.)

1. The utility model provides an energy-conserving return air stove of smokeless type, is including base (5) and install respectively combustor (4) on base (5), its characterized in that: the interior of the combustor (4) is respectively provided with a fuel storage tank (11), a driving device (12) and a pulse igniter (14), the fuel storage tank (11) communicates with the drive device (12) via a fuel pipe (15), the driving device (12) is also connected with an injection pipe (13), the pulse igniter (14) is respectively connected with a first electrode (18) and a second electrode (19) through a first lead (16) and a second lead (17), a wind shroud (8) is arranged on one side of the combustor (4), a hearth shell (6) is arranged at the top of the wind shroud (8), the top of the hearth shell (6) is provided with a heat insulation device (3), the top of the heat insulation device (3) is provided with a table top plate (1), the inside mounting of furnace shell (6) has furnace inner shell (7), wind shroud cover (8) with install furnace device (9) between furnace inner shell (7).

2. The smokeless energy-saving air return furnace according to claim 1, characterized in that: heat-proof device (3) are including heat-proof casing (32) and install heat-proof cover plate (31) at heat-proof casing (32) top, the internally mounted of heat-proof casing (32) has endothermic inner bag (33), endothermic inner bag (33) with install between furnace inner shell (7) into smoke mouth (34).

3. The smokeless energy-saving air return furnace according to claim 2, characterized in that: the heat-insulation type smoke-exhaust ventilator is characterized in that a smoke outlet (36) is formed in the heat-insulation shell (32), a smoke pipe (2) is installed at the smoke outlet (36), fixed corner connectors (35) are installed on the periphery of the heat-insulation shell (32) respectively, and the table top plate (1) is installed on the fixed corner connectors (35).

4. The smokeless energy-saving air return furnace according to claim 1, characterized in that: the hearth device (9) comprises a hearth body (91) and a hearth seat (92) installed at the bottom of the hearth body (91), an ash drawer (93) is installed at the bottom of the hearth seat (92), a slag leakage movable plate (94) capable of sliding along the hearth seat (92) is installed at the top of the hearth seat (92), and a handle (95) is connected to the slag leakage movable plate (94).

5. The smokeless energy-saving air return furnace according to claim 4, characterized in that: the first electrode (18) and the second electrode (19) are both installed in the hearth body (91), and the pulse igniter (14) controls the first electrode (18) and the second electrode (19) to generate pulse sparks according to working requirements so as to ignite fuel in the hearth body (91).

6. The smokeless energy-saving air return furnace according to claim 1, characterized in that: an air blower (10) is installed on the base (5), and an air outlet of the air blower (10) is communicated with the air bag cover (8).

Technical Field

The invention relates to the technical field of heating equipment, in particular to a smokeless energy-saving air return furnace.

Background

The air return furnace is a device for heating or cooking by burning coal or other biomass fuels, mainly comprises a furnace body barrel for heat insulation, a combustion chamber is arranged in the furnace body, and the coal or the biomass fuels are put into the combustion chamber to generate heat after being combusted. At present, a low-carbon environment is actively advocated in China, energy conservation and consumption reduction become the subject of the world, if a traditional furnace is still adopted, resources are wasted, fuel waste is large, combustion firepower is not vigorous, firepower cannot be adjusted, the problem of difficult fire banking exists, and the combustion efficiency is low. In small and medium-sized cities and rural areas in the southwest region, the return air furnace not only serves as a heating stove, but also serves as a cooking stove, and is very popular with the majority of users. The existing household air return furnace increases heating and energy-saving effects by increasing the flow stroke of coal smoke, but the air return furnace of the structure has insufficient fuel gas and even a smoke exhaust pipe is easy to block, so that the furnace has poor smoke exhaust effect, the fire is not vigorous, and the problem that the coal furnace is difficult to cook is solved.

In view of the above, chinese patent application No. 202010753832.6 discloses an intelligent automatic slag discharge air return furnace in 27/10/2020, which includes a burner body, a furnace device is cooperatively installed at one side of the burner body, the furnace device includes a furnace outer shell and a furnace inner shell sequentially arranged from outside to inside, a flue gas reflux seat and a slag discharge base are respectively cooperatively installed at the upper end and the lower end of the furnace device, a deck plate is installed at the top of the slag discharge base, and an automatic slag discharge device is installed inside the burner body and the furnace device. However, the solution still has the following problems in practical use: (1) ignition is carried out through an ignition rod during ignition, the main principle of the ignition rod is that a heating pipe is heated to high temperature through electricity, then fuel is ignited, the furnace body is heated slowly and cannot be heated in time, and a larger problem is that the ignition speed is low, so that the fuel is not sufficiently combusted during ignition due to low temperature in the ignition process, more smoke is generated in the ignition process, the smoke can be diffused into a room through a shell gap of a return air furnace, and discomfort is caused to a user, but the problem cannot be well solved in the prior art; (2) ash and slag generated by fuel are easy to accumulate at the bottom of the furnace core to block the furnace bridge, so that the problems of insufficient oxygen supply and insufficient combustion of the furnace chamber are caused, the smoke pollution is large, the heat efficiency is low, and the heat in the smoke can not be effectively utilized; (3) the heat in the flue gas loses very fast, can not play a better heating better fruit to also can not carry out fine heating to the deck plate, lead to placing the food on the deck plate and cool off very fast, inconvenient people use.

Disclosure of Invention

The invention aims to solve the problem of providing a smokeless energy-saving air return furnace which has the advantages of simple structure, reasonable design, high fuel utilization rate, good heating effect and quick ignition.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an energy-conserving return air stove of smokeless type, is including the base and install respectively combustor on the base, fuel bin, drive arrangement and pulse point firearm are installed respectively to the inside of combustor, fuel bin communicates through the fuel pipe with drive arrangement, the last injection pipe that still is connected with of drive arrangement, pulse igniter is connected with first electrode and second electrode through first wire, second wire respectively, a side-mounting wind shroud of combustor, the furnace shell is installed at the top of wind shroud, thermal-insulated device is installed at the top of furnace shell, the deck plate is installed at thermal-insulated device's top, the furnace inner shell is installed to the inside of furnace shell, the wind shroud with install the furnace device between the furnace inner shell.

Preferably, foretell energy-conserving return air stove of smokeless type, wherein heat-proof device is including heat-proof casing and installing the thermal-insulated apron at heat-proof casing top, the internally mounted of heat-proof casing has the heat absorption inner bag, the heat absorption inner bag with install into the mouth between the furnace inner shell.

Preferably, the smokeless energy-saving air return furnace is characterized in that a smoke outlet is formed in the heat insulation shell, a smoke pipe is installed at the smoke outlet, fixed corner connectors are installed on the periphery of the heat insulation shell respectively, and the table panel is installed on the fixed corner connectors.

Preferably, the smokeless energy-saving air return furnace comprises a furnace body and a furnace seat arranged at the bottom of the furnace body, wherein an ash drawer is arranged at the bottom of the furnace seat, a slag leaking movable plate capable of sliding along the furnace seat is arranged at the top of the furnace seat, and a handle is connected to the slag leaking movable plate.

Preferably, the first electrode and the second electrode are both installed in the hearth body, and the pulse igniter controls the first electrode and the second electrode to generate pulse sparks according to working requirements, so as to ignite fuel in the hearth body.

Preferably, the smokeless energy-saving air return furnace is characterized in that the base is provided with a blower, and an air outlet of the blower is communicated with the air enclosure.

The invention has the advantages and beneficial effects that: (1) the fuel storage tank is communicated with the driving device through a fuel pipe, the driving device is further connected with an injection pipe, the pulse igniter is respectively connected with a first electrode and a second electrode through a first lead and a second lead, volatile combustible liquid is stored in the fuel storage tank, before ignition, the driving device is controlled to inject a certain amount of combustible liquid to solid fuel in a hearth, the combustible liquid can volatilize into mist, then the pulse igniter works, the pulse igniter can control the first electrode and the second electrode to generate electric arcs, so that the combustible mist in the hearth is ignited, the solid fuel in the hearth is quickly ignited under the combustion supporting of the combustible liquid, and no smoke is generated, the problem that the traditional air return furnace cannot solve is solved; (2) the heat insulation device comprises a heat insulation shell and a heat insulation cover plate arranged at the top of the heat insulation shell, a heat absorption inner container is arranged in the heat insulation shell, a smoke inlet is arranged between the heat absorption inner container and the hearth inner shell, heat in the hearth body can enter the heat insulation device, the heat absorption inner container can absorb a large amount of heat, therefore, the heat absorption inner container can be prevented from being dissipated to the air along with smoke, then the heat absorption inner container can dissipate the heat to the periphery, people sitting around can be warmed, and food on the countertop can be better heated; (3) the bottom of furnace seat is installed with the lime-ash drawer, the gliding sediment fly leaf that leaks of furnace seat can be followed is installed at the top of furnace seat, leak and be connected with a handle on the sediment fly leaf, when the interior lime-ash of furnace is too much or block up, as long as hold the handle through the manual work and relapse the back-and-forth movement, just can drive through the handle and leak sediment fly leaf back-and-forth movement, just can break up the lime-ash, make the lime-ash can discharge fast, thereby prevent that the lime-ash from blockking up furnace, make the more abundant of fuel combustion, compare traditional mode, it is more convenient to.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of the thermal insulation apparatus of the present invention;

FIG. 5 is a partially disassembled schematic view of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is an exploded view of the furnace assembly of the present invention.

In the figure: 1. a table top plate; 2. a smoke pipe; 3. a thermal insulation device; 31. a heat insulating cover plate; 32. a thermally insulated housing; 33. a heat absorption inner container; 34. a smoke inlet; 35. fixing the corner connectors; 36. a smoke outlet; 4. a burner; 5. a base; 6. a furnace shell; 7. a hearth inner shell; 8. a wind cover; 9. a hearth device; 91. a hearth body; 92. a hearth seat; 93. an ash drawer; 94. a slag leakage movable plate; 95. a handle; 10. a blower; 11. a fuel storage tank; 12. a drive device; 13. an injection pipe; 14. a pulse igniter; 15. A fuel tube; 16. a first conductive line; 17. a second conductive line; 18. a first electrode; 19. a second electrode.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly and clearly understood, the technical solutions in the embodiments of the present invention will be described below in detail and completely with reference to the accompanying drawings and the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, fig. 3, fig. 5 and fig. 6, a smokeless energy-saving air return furnace includes a base 5 and a burner 4 respectively mounted on the base 5, a fuel storage tank 11, a driving device 12 and a pulse igniter 14 are respectively mounted inside the burner 4, the fuel storage tank 11 is communicated with the driving device 12 through a fuel pipe 15, the driving device 12 is further connected with an injection pipe 13, the pulse igniter 14 is connected with a first electrode 18 and a second electrode 19 through a first lead 16 and a second lead 17, the first electrode 18 and the second electrode 19 are both mounted in a furnace body 91, and the driving device 12 in the present scheme can be a common driving component such as a constant displacement pump and an electromagnetic valve.

The fuel storage tank 11 stores volatile combustible liquid, before ignition, the driving device 12 is controlled to inject a certain amount of combustible liquid to the solid fuel in the hearth, the combustible liquid is preferably volatile fuel, the combustible liquid is immediately volatilized into mist after being injected to the hearth, then the pulse igniter 14 works, the pulse igniter 14 controls the first electrode 18 and the second electrode 19 to generate electric arcs, so that the combustible mist in the hearth is ignited, the solid fuel in the hearth body 91 is quickly ignited to ignite and ignite under the combustion supporting of the combustible liquid, the ignition time is less than 5 seconds, the ignition time is about 2 minutes in the traditional ignition mode due to the fact that the combustion supporting effect of the combustible liquid is not available, after the combustion supporting liquid in the scheme is used, in addition to pulse ignition, an ignition rod can also be used for ignition, the time of getting on fire is the same shorter, and the technical scheme disclosed by the scheme can not produce the flue gas because the time of getting on fire is very fast, has overcome the problem that traditional return air stove can not solve.

As shown in fig. 2 and 5, a wind shroud 8 is installed at one side of the burner 4, a furnace outer shell 6 is installed at the top of the wind shroud 8, a heat insulation device 3 is installed at the top of the furnace outer shell 6, a table panel 1 is installed at the top of the heat insulation device 3, a furnace inner shell 7 is installed inside the furnace outer shell 6, a furnace device 9 is installed between the wind shroud 8 and the furnace inner shell 7, a blower 10 is installed on the base 5, an air outlet of the blower 10 is communicated with the wind shroud 8, the blower 10 is started during operation, wind power generated by the blower 10 blows towards the inside of the wind shroud 8, and then enters the furnace body 91 to support combustion.

As shown in fig. 1, 2 and 4, the heat insulation device 3 includes a heat insulation housing 32 and a heat insulation cover plate 31 installed on the top of the heat insulation housing 32, a heat absorption inner container 33 is installed inside the heat insulation housing 32, a smoke inlet 34 is installed between the heat absorption inner container 33 and the hearth inner shell 7, a smoke outlet 36 is opened on the heat insulation housing 32, a smoke tube 2 is installed at the smoke outlet 36, fixed corner connectors 35 are respectively installed around the heat insulation housing 32, and the deck plate 1 is installed on the fixed corner connectors 35. The heat in the furnace body 91 can enter the heat insulation device 3, and the heat absorption inner container 33 can absorb a large amount of heat, so that the phenomenon that a large amount of heat is dissipated to the air along with the smoke can be avoided, then the heat absorption inner container 33 can dissipate the heat to the periphery, people sitting around can get warm, and the food on the table board 1 can be better heated.

As shown in fig. 2, 3 and 7, the hearth device 9 includes a hearth body 91 and a hearth seat 92 installed at the bottom of the hearth body 91, an ash drawer 93 is installed at the bottom of the hearth seat 92, a slag leakage movable plate 94 capable of sliding along the hearth seat 92 is installed at the top of the hearth seat 92, and a handle 95 is connected to the slag leakage movable plate 94. When the interior lime-ash of furnace is too much or block up, as long as hold handle 95 through the manual work and repeat the back-and-forth movement, just can drive through handle 95 and leak sediment fly leaf 94 back-and-forth movement, just can break up the lime-ash, make the lime-ash can discharge fast to prevent that the lime-ash from blockking up furnace, make fuel burning more abundant, compare traditional mode, it is more convenient to operate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It should be noted that the standard components used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding, etc. in the prior art, the machines, parts and equipment all adopt the conventional models in the prior art, and the inventor does not need to describe in detail here.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.