阅读说明：本技术 防漏烟生物质燃料炉 (Smoke leakage prevention biomass fuel furnace ) 是由 李娜 于 2019-08-21 设计创作，主要内容包括：本发明提供了一种防漏烟生物质燃料炉,涉及生物质燃料炉具技术领域,包括炉体、送料筒、导气管以及烟道；炉体的内部设有炉膛,顶面设有与炉膛连通的炉口；炉膛内设有的燃烧器,炉口的上方设有炉罩；送料筒的下部贯穿炉体并延伸至炉膛内；导气管位于炉体的炉壁内并向上延伸至炉罩内；烟道设置于炉体侧部且与炉罩连通。本发明提供的防漏烟生物质燃料炉,利用导气管将送料筒靠近炉膛部位产生的可燃气体导出,实现了可燃气体向炉罩内的有效导引,便于后续对其进行充分利用,避免可燃气体从送料筒的入口端逸出的问题,既保证了生物质燃料在送料筒中的稳定性,又实现了送料筒下端产生的少量可燃气体的充分利用,提高了能源利用率。(The invention provides a smoke-leakage-preventing biomass fuel furnace, which relates to the technical field of biomass fuel furnaces and comprises a furnace body, a feeding barrel, an air guide pipe and a flue; a hearth is arranged in the furnace body, and a furnace opening communicated with the hearth is formed in the top surface of the furnace body; a burner is arranged in the hearth, and a furnace cover is arranged above the furnace opening; the lower part of the feeding barrel penetrates through the furnace body and extends into the hearth; the gas guide pipe is positioned in the furnace wall of the furnace body and extends upwards into the furnace cover; the flue is arranged on the side part of the furnace body and communicated with the furnace cover. According to the smoke-leakage-preventing biomass fuel furnace, the combustible gas generated at the position, close to the hearth, of the feeding barrel is led out by the aid of the gas guide pipe, so that the combustible gas is effectively led into the furnace hood, the furnace hood is conveniently and fully utilized subsequently, the problem that the combustible gas escapes from the inlet end of the feeding barrel is solved, the stability of biomass fuel in the feeding barrel is guaranteed, a small amount of combustible gas generated at the lower end of the feeding barrel is fully utilized, and the energy utilization rate is improved.)

1. Leak protection cigarette biomass fuel stove, its characterized in that includes:

the furnace body (100) is internally provided with a hearth (110), and the top surface of the furnace body is provided with a furnace opening communicated with the hearth (110); a burner (120) is arranged in the hearth (110), and a furnace cover (130) is arranged above the furnace opening;

the feeding barrel (200) is arranged at the side part of the furnace body (100), the lower part of the feeding barrel penetrates through the furnace body (100) and extends into the hearth (110);

the gas guide pipe (300) is arranged on the feeding barrel (200) and is communicated with the interior of the feeding barrel (200), and the gas guide pipe (300) is positioned in the furnace wall of the furnace body (100) and extends upwards into the furnace hood (130);

and the flue (400) is arranged on the side part of the furnace body (100) and is communicated with the furnace cover (130).

2. The smoke leakage preventing biomass fuel furnace of claim 1, wherein the top of the feeding barrel (200) is further provided with a feeding cover (210) for sealing the feeding hole of the feeding barrel (200), and the feeding cover (210) is hinged with the side wall of the feeding barrel (200).

3. The smoke-leakage-preventing biomass fuel furnace is characterized in that the flue (400) is arranged on one side, away from the feeding barrel (200), of the furnace body (100), and the upper end of the air guide pipe (300) is further provided with a guide cover (320) extending towards one side of the flue (400).

4. The smoke leakage preventing biomass fuel furnace of claim 3, wherein the guide hood (320) is provided with a sealing plate (330) which penetrates through the side wall of the guide hood (320) and is used for blocking the internal airflow of the air duct (300), the plate surface of the sealing plate (330) is perpendicular to the up-down direction, and the sealing plate (330) is connected with the air duct (300) in a sliding manner.

5. The smoke leakage preventing biomass fuel furnace of claim 3, wherein one end of the guide cover (320) close to the air duct (300) is further provided with a guide plate (321) which inclines towards one side of the furnace opening of the furnace body (100) from bottom to top.

6. The smoke leakage preventing biomass fuel furnace of claim 4, wherein the furnace body (100) is provided with a rail (140) for sliding connection with the sealing plate (330).

7. The smoke leakage prevention biomass fuel furnace of claim 6, wherein the flue (400) and the feeding barrel (200) are arranged on the same side of the furnace body (100), and a baffle (150) for isolating the furnace mouth from the gas guide pipe (300) is arranged between the furnace mouth of the furnace body (100) and the feeding barrel (200).

8. The smoke leakage prevention biomass fuel furnace of claim 7, wherein the upper end of the baffle (150) is connected to the inner wall of the top plate of the furnace cover (130), and the baffle (150) is disposed away from the inlet end of the flue (400).

9. The smoke leakage prevention biomass fuel furnace of claim 1, wherein the cross section of the air duct (300) is rectangular, and the cross section of the feeding barrel (200) is also rectangular.

10. The smoke leakage prevention biomass fuel furnace of any one of claims 1 to 9, wherein the gas guide tube (300) is connected with the feeding barrel (200) through a gas collecting tube (310), and the cross-sectional area of the end of the gas collecting tube (310) connected with the feeding barrel (200) is larger than that of the end of the gas collecting tube (310) connected with the gas guide tube (300).

Technical Field

The invention belongs to the technical field of biomass fuel stoves, and particularly relates to a smoke-leakage-preventing biomass fuel stove.

Background

When utilizing biomass fuel stove to heat, because the lower extreme of pay-off section of thick bamboo stretches into the furnace lower part of furnace body, receive the thermal influence that the incomplete combustion of biomass fuel produced in the furnace, so part biomass fuel at the lower extreme of pay-off section of thick bamboo also can produce a small amount of combustible gas, this part gas is difficult to the downstream and realizes the normal heating use through furnace, still can appear the outside problem of effusion of entrance point from the pay-off section of thick bamboo when serious, the normal clear that has influenced the burning has greatly been carried out, also caused certain personal safety's influence to operating personnel.

Disclosure of Invention

The invention aims to provide a smoke-leakage-preventing biomass fuel furnace, which aims to solve the technical problems of insufficient utilization and potential safety hazard caused by the escape of combustible gas generated at the lower end of a feeding barrel of the smoke-leakage-preventing biomass fuel furnace to the inlet end of the feeding barrel in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a smoke-leakage-proof biomass fuel furnace, which comprises a furnace body, a feeding barrel, an air duct and a flue; the furnace body is internally provided with a hearth, the inside of the furnace body is provided with a hearth, and the top surface of the furnace body is provided with a furnace opening communicated with the hearth; a burner is arranged in the hearth, and a furnace cover is arranged above the furnace opening; the feeding barrel is arranged at the side part of the furnace body, and the lower part of the feeding barrel penetrates through the furnace body and extends into the hearth; the gas guide pipe is arranged on the feeding barrel and communicated with the interior of the feeding barrel, and the gas guide pipe is positioned in the furnace wall of the furnace body and extends upwards into the furnace hood; the flue is arranged on the side part of the furnace body and communicated with the furnace cover.

As a further optimization, the top of the feeding barrel is also provided with a feeding sealing cover for sealing the feeding hole of the feeding barrel, and the feeding sealing cover is hinged with the side wall of the feeding barrel.

As further optimization, the flue is arranged on one side of the furnace body far away from the feeding barrel, and the upper end of the air duct is also provided with a guide cover extending towards one side of the flue.

As further optimization, be equipped with the shrouding that runs through the lateral wall setting of direction cover and be used for blocking the inside air current of air duct on the direction cover, the face perpendicular to of shrouding is direction from top to bottom, and shrouding and air duct sliding connection.

As a further optimization, one end of the guide cover close to the air duct is also provided with a guide plate which inclines to one side of the furnace mouth from bottom to top.

As a further optimization, the furnace body is provided with a track which is used for being connected with the sealing plate in a sliding way.

As further optimization, the flue and the feeding barrel are arranged on the same side of the furnace body, and a baffle plate used for isolating the furnace mouth and the air guide pipe is arranged between the furnace mouth and the feeding barrel.

As a further optimization, the upper end of the baffle is connected with the inner wall of the top plate of the furnace cover, and the baffle is arranged to avoid the inlet end of the flue.

As a further optimization, the section of the air guide pipe is rectangular, and the section of the feeding barrel is also rectangular.

As a further optimization, the air guide pipe is connected with the feeding barrel through the air collecting pipe, and the sectional area of one end, connected with the feeding barrel, of the air collecting pipe is larger than that of one end, connected with the air guide pipe, of the air collecting pipe.

The smoke-leakage-preventing biomass fuel furnace provided by the invention has the beneficial effects that: according to the smoke-leakage-preventing biomass fuel furnace, the combustible gas generated at the position, close to the hearth, of the feeding barrel is led out by the aid of the gas guide pipe, so that the combustible gas is effectively led into the furnace hood, the furnace hood is conveniently and fully utilized subsequently, the problem that the combustible gas escapes from the inlet end of the feeding barrel is solved, the stability of biomass fuel in the feeding barrel is guaranteed, a small amount of combustible gas generated at the lower end of the feeding barrel is fully utilized, and the energy utilization rate is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic cross-sectional view of a smoke-leakage-preventing biomass fuel furnace according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a smoke-leakage-preventing biomass fuel furnace according to a second embodiment of the present invention;

FIG. 3 is a schematic view of a portion I of FIG. 2;

FIG. 4 is a schematic cross-sectional view of a smoke-leakage-preventing biomass fuel furnace according to a third embodiment of the present invention;

fig. 5 is a top view partially in section of fig. 4.

In the figure: 100. a furnace body; 110. a hearth; 120. a burner; 130. a furnace mantle; 140. a track; 150. a baffle plate; 200. a feed cylinder; 210. feeding and sealing; 300. an air duct; 310. a gas collecting pipe; 320. a guide housing; 321. a guide plate; 330. closing the plate; 400. a flue.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a smoke-leakage-preventing biomass fuel furnace provided by the present invention will be described. The smoke leakage prevention biomass fuel furnace comprises a furnace body 100, a feeding barrel 200, an air duct 300 and a flue 400; a hearth 110 is arranged in the furnace body 100, and a furnace opening communicated with the hearth 110 is formed in the top surface of the furnace body; a burner 120 is arranged in the hearth 110, and a furnace cover 130 is arranged above the furnace mouth; the feeding barrel 200 is arranged at the side part of the furnace body 100, and the lower part of the feeding barrel penetrates through the furnace body 100 and extends into the hearth 110; the air duct 300 is arranged on the feeding barrel 200 and is communicated with the interior of the feeding barrel 200, and the air duct 300 is positioned in the furnace wall of the furnace body 100 and extends upwards to the furnace cover 130; the flue 400 is disposed at a side portion of the furnace body 100 and communicates with the furnace cover 130. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In this embodiment, because the main shaft of feeding barrel 200 sets up the form that becomes acute angle contained angle setting with upper and lower direction, and the lower extreme of feeding barrel 200 adopts the form that extends to furnace 110 of furnace body 100 in, make the lower extreme of feeding barrel 200 near and stretch into furnace 110 apart from furnace 110 in, receive the influence of the high temperature that the incomplete combustion of biomass fuel produced in furnace 110, the incomplete combustion also can take place for partial biomass fuel of feeding barrel 200 lower extreme, produce a small amount of combustible gas, this part of gas if flow and escape from the entry end of feeding barrel 200 to the entry end of feeding barrel 200, not only can cause combustible gas's waste, still can cause the pollution to the surrounding environment simultaneously, and have certain potential safety hazard, be unfavorable for biomass fuel furnace's normal use. The gas guide pipe 300 is arranged to effectively guide and convey the part of gas in the feeding barrel 200 to the position near the furnace mouth, so that the combustible gas is effectively utilized, and the utilization rate of the biomass fuel is improved. The biomass fuel furnace is a boiler taking biomass energy as fuel, called a biomass boiler, and is divided into a biomass steam boiler, a biomass hot water boiler, a biomass hot air furnace and a biomass heat-conducting oil furnace. The feeding barrel 200 and the air duct 300 which are combined in the embodiment are suitable for various biomass fuel furnaces, and the smoke-leakage-preventing biomass fuel furnace in the embodiment adopts a vertical biomass fuel furnace.

Compared with the prior art, the smoke leakage prevention biomass fuel furnace provided by the invention has the advantages that the combustible gas generated by the part, close to the hearth 110, of the feeding barrel 200 is led out by the aid of the gas guide pipe 300, the combustible gas is effectively guided into the furnace cover 130, the furnace cover is conveniently and fully utilized subsequently, the problem that the combustible gas escapes from the inlet end of the feeding barrel 200 is solved, the stability of the biomass fuel in the feeding barrel 200 is ensured, a small amount of combustible gas generated at the lower end of the feeding barrel 200 is fully utilized, and the energy utilization rate is improved.

Referring to fig. 1 to 3, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, a feeding cover 210 for sealing a feeding hole of the feeding barrel 200 is further disposed on the top of the feeding barrel 200, and the feeding cover 210 is hinged to a side wall of the feeding barrel 200. The feeding sealing cover 210 is arranged to ensure the effective isolation of the feeding barrel 200 from the external environment in the non-feeding stage, and avoid the adverse effect on the external environment. When the feeding sealing cover 210 is closed, the air duct 300 can adopt a non-conducting form, when feeding is needed, under the condition that the feeding sealing cover 210 is opened, the conducting of the air duct 300 needs to be realized, the effective guiding and conveying of the lower combustible gas of the feeding barrel 200 to the furnace mouth part by the air duct 300 is realized, and the problem that the combustible gas escapes from the inlet end of the feeding barrel 200 outwards is avoided.

Referring to fig. 1 to 3, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, a flue 400 is disposed at a side of the furnace body 100 away from the feeding barrel 200, and a guide cover 320 extending to the side of the flue 400 is further disposed at an upper end of the air duct 300. In this embodiment, the form that sets up feed cylinder 200 and flue 400 respectively in the relative both sides of furnace body 100 is adopted, in order to realize the effective burning of the combustible gas in air duct 300 this moment, need to lead combustible gas to furnace eye department and send, the exit end of direction cover 320 sets up towards the furnace eye, can lead combustible gas to furnace eye department and fully burn, and the smooth and easy transport of air current is realized in the flue 400 of burning waste gas then entering opposite side, improves combustible gas's utilization ratio.

Referring to fig. 1 to 3 together, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, a sealing plate 330 is disposed on the guide housing 320 and penetrates through a side wall of the guide housing 320 to block an internal airflow of the air duct 300, a plate surface of the sealing plate 330 is perpendicular to an up-down direction, and the sealing plate 330 is slidably connected to the air duct 300. When the feeding cover 210 is in a closed state, the combustible gas in the feeding barrel 200 does not have the problem of escaping from the inlet end of the feeding barrel 200, so that the sealing plate 330 on the upper side of the gas guide tube 300 can be pushed to the position for sealing the gas guide tube 300, and the combustible gas generated at the lower end of the feeding barrel 200 enters the lower hearth 110 and moves from bottom to top to the furnace mouth in the hearth 110 for combustion. When the feeding seal cover 210 needs to be opened to fill biomass fuel, the seal plate 330 slidably connected with the furnace body 100 needs to slide to the position where the gas guide tube 300 can be conducted, so that the effect that the gas guide tube 300 can smoothly guide and send the combustible gas at the lower end of the feeding barrel 200 is realized, and the full utilization of the combustible gas is ensured.

Referring to fig. 1 to 3, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, a guide plate 321 inclined from bottom to top toward the furnace mouth is further disposed at one end of the guide cover 320 close to the air duct 300. The setting of deflector 321 can carry out effectual direction to the combustible gas that incomplete combustion produced in the air duct 300, avoids gaseous direct and the leading cover 320 between take place the not smooth problem of air current that the impact caused for the air current that comes from the below can be smooth and easy leads to deliver to furnace mouth department, realizes combustible gas's abundant burning, reaches energy make full use of's effect.

Referring to fig. 1 to 3, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, the furnace body 100 is provided with a rail 140 for slidably connecting with a sealing plate 330. The track 140 that sets up on the furnace body 100 can provide effectual spacing for the slip of shrouding 330, avoids shrouding 330 to slide the position dislocation of in-process, causes the not tight or insufficient problem of opening of sealed air duct 300, and then guarantees the control to the blocking and the through state of combustible gas.

Referring to fig. 4 to 5, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, the flue 400 and the feeding barrel 200 are disposed at the same side of the furnace body 100, and a baffle 150 for isolating the furnace mouth from the gas guide tube 300 is disposed between the furnace mouth and the feeding barrel 200. When the feeding barrel 200 and the flue 400 are arranged on the same side of the furnace body 100, the high temperature at the furnace mouth can affect the biomass fuel in the feeding barrel 200, the biomass fuel in the feeding barrel 200 is extremely easy to produce incomplete combustion under the condition of high temperature, and the effect that the materials in the feeding barrel 200 are smoothly conveyed to the hearth 110 to be incompletely combusted so as to produce combustible gas in the hearth 110 is difficult to realize.

Referring to fig. 4 to 5, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, the upper end of the baffle 150 is connected to the inner wall of the top plate of the furnace cover 130, and the baffle 150 is disposed away from the inlet end of the flue 400. The upper and lower sides of the baffle 150 are connected with the top wall and the bottom surface of the furnace cover 130, so that the feeding barrel 200 is isolated from the furnace mouth, and the influence of heat at the furnace mouth on the materials in the feeding barrel 200 is avoided. Because the furnace mouth and the flue 400 are communicated with each other, the length of the baffle 150 is set to be smaller than the length of the furnace cover 130 in the same direction, in the embodiment, the baffle 150 is arranged along the front-back direction and is arranged to avoid the inlet end of the flue 400, so that the flue gas generated at the furnace mouth can be ensured to smoothly enter the flue 400 through the gap, the flue 400 is positioned at the front side of the feeding barrel 200, the inlet end of the flue 400 is communicated with the furnace cover 130, and the inlet end of the flue 400 is avoided by the baffle 150, so that the smooth emission of the flue gas is ensured.

Referring to fig. 4 to 5, as an embodiment of the smoke leakage prevention biomass fuel furnace of the present invention, the air duct 300 has a rectangular cross section, and the feeding barrel 200 has a rectangular cross section. The feeding barrel 200 has a rectangular section, which is convenient for processing and production and has the effect of reducing the production cost. In this embodiment, the air duct 300 is connected to the side wall of the feeding barrel 200, and in order to achieve a good connection effect, the air duct 300 also has a rectangular cross section, so that the air duct and the feeding barrel are welded together.

Referring to fig. 4 to 5, as an embodiment of the smoke leakage prevention biomass fuel furnace provided by the present invention, the gas guiding tube 300 is connected to the feeding barrel 200 through the gas collecting tube 310, and the cross-sectional area of the end of the gas collecting tube 310 connected to the feeding barrel 200 is larger than the cross-sectional area of the end of the gas collecting tube 310 connected to the gas guiding tube 300. The gas collecting pipe 310 can effectively collect the combustible gas generated in the feeding barrel 200 and uniformly guide the combustible gas to the gas guide pipe 300, so that the combustible gas in the feeding barrel 200 can be collected to the maximum extent, and the combustible gas can be fully utilized. The gas collecting pipe 310 can be arranged in a hollow circular truncated cone shape or a polygonal frustum pyramid shape, one end with a large sectional area is communicated with the position, close to the upper side, of the side wall of the feeding barrel 200, the upper end of the gas collecting pipe is communicated with the lower end of the gas guide pipe 300, gathering and collecting of combustible gas in the feeding barrel 200 are achieved, and a good collecting effect is guaranteed. The combustible gas above the gas guide tube 300 is combusted in time, and the lower airflow can flow upwards due to the larger gas pressure relative to the upper end of the gas guide tube 300 under the condition that the gas pressure at the part is lower, so that the combustible gas can be smoothly guided out.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.