CN211781423U - Multi-fuel heating stove - Google Patents
Multi-fuel heating stove Download PDFInfo
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- CN211781423U CN211781423U CN202020305918.8U CN202020305918U CN211781423U CN 211781423 U CN211781423 U CN 211781423U CN 202020305918 U CN202020305918 U CN 202020305918U CN 211781423 U CN211781423 U CN 211781423U
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Abstract
The utility model relates to a multi-fuel heating furnace, which comprises a shell, wherein the bottom of the shell is provided with a ventilated bottom frame, the inner space of the shell is divided into a combustion chamber and a smoke cavity by a partition plate, and the top of the smoke cavity is provided with a chimney; a hearth is arranged in the combustion chamber; an air lift device is arranged in the smoke cavity and comprises a plurality of air pulling cylinders which are vertically arranged, a closed space is formed between the inner cylinder wall and the outer cylinder wall of each air pulling cylinder, and the closed spaces of the air pulling cylinders are sequentially communicated through a communicating piece to form a smoke channel; the combustion chamber, the smoke channel and the chimney form a gas passage; and the inner space enclosed by the inner cylinder wall is an air lifting channel, and the upper end and the lower end of the air lifting channel are communicated with the external space. The utility model discloses a setting up of air-lift device has prolonged steam and at the inside detention time and the heat exchange area of heating stove, increases heat utilization efficiency, and can promote the air conditioning that subsides ground through the passageway that rises to the air, and the circulation heats the room air in proper order, forms unpowered heat exchange device, strengthens the indoor heating effect.
Description
Technical Field
The utility model relates to a heating technical field, concretely relates to multi-fuel heating stove.
Background
The multi-fuel heating stove in the prior art is mostly a radiant heating stove, is provided with a chimney and an operation tool, is integrally packaged, and can be unfolded to use when being transported to a use region. During operation, the heating furnace is arranged inside the tent, heat is dissipated through the furnace body and the chimney, and smoke is discharged out of the tent through the chimney. The heating furnace can burn various solid fuels (coal, firewood, dry animal manure and the like) and liquid fuels (light diesel oil and kerosene).
Because the heating stove is used for camping heating more, for example plateau or cold areas, can't heat the indoor environment fast with radiant heating's heating stove at present, and can't make room air circulate, cause the heating people to need be close to and just can effectively heat in the face of the heating stove, and the steam that the burning formed is outdoor from the chimney discharge fast through simple furnace body, and fuel utilization efficiency is unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fuel utilization rate is high, and can be fast comprehensive to the many fuel heating stove of indoor heating.
In order to achieve the purpose, the utility model provides a multi-fuel heating furnace, which comprises a shell, wherein the bottom of the shell is provided with a ventilated bottom frame, a partition plate is vertically arranged in the shell, the inner space of the shell is divided into a combustion chamber and a smoke cavity by the partition plate, and the top of the smoke cavity is provided with a chimney;
a hearth is arranged in the combustion chamber;
the smoke chamber is internally provided with an air lift device, the air lift device comprises a plurality of air pulling cylinders which are vertically arranged, each air pulling cylinder comprises an inner cylinder wall and an outer cylinder wall, a closed space is formed between the inner cylinder wall and the outer cylinder wall, and the closed spaces of the air pulling cylinders are sequentially communicated through a communicating piece to form a smoke channel;
an opening is formed in the partition plate, and one end of the smoke channel is communicated with the opening;
the other end of the smoke channel is communicated with the bottom end of the chimney;
the inner space enclosed by the inner cylinder wall is an air lifting channel, and the upper end and the lower end of the air lifting channel are communicated with the external space.
Preferably, a smoke cavity baffle is vertically arranged between the hearth and the partition plate, the top end of the smoke cavity baffle is connected with the top of the shell, and the bottom of the smoke cavity baffle is suspended.
The communication piece is a cuboid with a long edge vertically arranged, and a channel with a rectangular cross section is arranged inside the communication piece.
The smoke exhaust device comprises a smoke channel, a plurality of openings and a connecting cylinder, wherein the smoke channel is communicated with the openings through the movable communicating pieces;
the movable communicating piece is a cuboid with a vertically arranged long edge, a channel with a rectangular cross section is arranged inside the movable communicating piece, a control rod is fixedly arranged on one side face of the movable communicating piece, and the free end of the control rod extends out of the outer shell.
When the grate type solid fuel combustion furnace is used for combusting solid fuel, the bottom of the furnace hearth is provided with the grate, and the upper part of the side wall of the furnace hearth is provided with a plurality of air inlet holes.
When the air inlet structure is used for combusting liquid fuel, a plurality of air inlets are formed in the upper portion, the middle portion and the lower portion of the side wall of the hearth, and the bottom of the hearth is sealed.
The gasification furnace also comprises a gasification device and an oil-gas distribution frame, wherein the gasification device is fixed in the hearth through the oil-gas distribution frame.
The vaporizing device comprises a vaporizing cap, an oil taking pipe and an oil discharging pipe, wherein the oil taking pipe is provided with a fuel control valve.
The oil-gas distribution frame is fixed on the middle part and the lower part of the inner side of the hearth through a plurality of metal rods.
The utility model has the advantages that: the utility model provides a pair of multi-fuel heating stove has prolonged steam at the inside detention time and the heat exchange area of heating stove through setting up of air-lift device, increases the heat radiation heating effect, and can promote the air conditioning that subsides ground through the lift gas passageway, and circulation heating room air in proper order forms unpowered heat exchange device, strengthens indoor heating effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a top view of the air lift apparatus of the present invention;
fig. 3 is an external view of the present invention;
FIG. 4 is an external view of a liquid fuel fired furnace of the present invention;
FIG. 5 is a view of the internal structure of a liquid fuel combustion furnace of the present invention;
fig. 6 is a schematic diagram of another embodiment of the present invention.
Description of the reference numerals
1. The device comprises a shell, 11, a bottom frame, 12, a coal feeding port, 2, a combustion chamber, 21, a hearth, 211, an air inlet, 212, an oil taking pipe, 213, a vaporization cap, 214, an oil discharging pipe, 215, an oil-gas diversion frame, 216, a fuel control valve, 22, a grate, 3, a smoke cavity, 31, a smoke cavity baffle, 32, a communicating piece, 33, an air pulling cylinder, 331, a smoke channel, 34, a connecting cylinder, 35, a smoke cylinder, 36, an air lifting channel, 4, a partition plate, 41, an opening, 5, a movable link, 51, a control rod, 52 and a guide cylinder.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 3, the multi-fuel heating furnace provided by the present embodiment includes a housing 1, a ventilated bottom frame 11 is disposed at the bottom of the housing 1, the bottom frame 11 is integrally formed with the housing 1, the housing 1 is lifted from a part of the ground, a partition plate 4 is vertically disposed inside the housing 1, an internal space of the housing 1 is divided into a combustion chamber 2 and a smoke chamber 3 by the partition plate 4, and a smoke pipe 35 is disposed on one side of the top of the smoke chamber 3;
a furnace 21 for burning fuel is provided in the combustion chamber 2, and a plurality of vent holes are provided in the side wall of the combustion chamber 2.
The gas lift device is arranged in the smoke cavity 3 and comprises a plurality of vertically arranged gas pulling cylinders 33, each gas pulling cylinder 33 comprises an inner cylinder wall and an outer cylinder wall, a closed space is formed between the inner cylinder wall and the outer cylinder wall, and the closed spaces of the plurality of gas pulling cylinders 33 are sequentially communicated through a communicating piece 32 to form a smoke channel 331;
the smoke cavity 3 is a relatively sealed cavity, the partition plate 4 is provided with an opening 41, the opening 41 is positioned at the upper part of the partition plate 4, one end of the smoke channel 331 is communicated with the opening 41 through the communicating piece 32, the other end of the smoke channel 331 is communicated with the bottom end of the smoke tube 35 through the communicating piece 32, when the heating furnace works, as the air in the smoke tube 35 is heated and ascended, negative pressure is formed inside the combustion chamber 2, hot gas generated by fuel combustion enters the smoke channel 331 through the opening 41 and finally enters the smoke tube through the insides of the plurality of air drawing tubes 33 in sequence, the residence time and the heat exchange area of the hot gas inside the heating furnace are prolonged, part of heat is transmitted to the room through radiation, meanwhile, the other part of heat heats the inner tube wall of the air drawing tube 33, the inner space enclosed by the inner tube wall is the air lifting channel 36, and the upper and lower ends of the air lifting channel 36 are communicated with the outer space (namely communicated with the, the air in the air lifting channel 36 begins to rise due to being heated, and the cold air settled on the ground enters from the bottom of the air lifting channel 36 through the underframe 11 to circularly heat the indoor air in sequence, so that a powerless heat exchange device is formed, and the indoor heating effect is enhanced.
In order to reduce the obstruction of hot air circulation, the communicating piece 32 is preferably a rectangular parallelepiped with a vertically arranged long side, a channel with a rectangular cross section is arranged in the communicating piece, and the communicating piece 32, the air pulling cylinders 33, the partition plate 4 and the chimney 35 are integrally formed at the part extending into the shell 1 and are welded and fixed with the inner side wall of the shell 1 through the outer sides of the air pulling cylinders 33.
When burning solid fuel, in order to reduce the influence of flying ashes, vertically set up smoke chamber baffle 31 between furnace 21 and cut-off plate 4, smoke chamber baffle 31 top is connected with shell 1 top, and the unsettled setting in bottom.
In order to facilitate the disposal of ash, a grate 22 may be provided at the bottom of the furnace 21, and an ash hopper (not shown) may be provided below the grate 22.
The utility model discloses the furnace of well combustible multiple fuel is comparatively common in prior art, and below structure about furnace is preferred structure.
In order to increase the combustion efficiency of the solid fuel, a plurality of air inlet holes 211 are arranged on the upper part of the side wall of the hearth 21, and the working principle is as follows: the fuel is added into the hearth 21 from the coal adding port 12 above the combustion chamber 2, the primary air is introduced from the lower part of the grate 22 through the bottom frame 11, the solid fuel at the lower part of the hearth 21 is taken for combustion, the solid fuel newly added at the upper part of the hearth 21 generates gas volatile matters due to high temperature generated by combustion, and the secondary air enters from the air inlet above the hearth 21 and is mixed with the gas volatile matters and combustible gas such as carbon monoxide generated by incomplete combustion to continue to be combusted, so that the combustion efficiency is improved.
When liquid fuel is combusted, a plurality of vent holes (not marked in the figure) are uniformly arranged on the side wall of the combustion chamber 2, as shown in fig. 4 and fig. 5, a plurality of air inlet holes 211 are arranged on the upper part, the middle part and the lower part of the side wall of the hearth 21, the combustion chamber further comprises a vaporizing device and an oil-gas shunting frame 215, and the vaporizing device is fixed inside the hearth 21 through the oil-gas shunting frame 215.
The vaporizing device comprises a vaporizing cap 213, an oil taking pipe 212 and a lower oil pipe 214, wherein a fuel control valve 216 is arranged on the oil taking pipe 212, the other end of the oil taking pipe 212 is connected with an oil bag (not marked in the figure), the oil bag is a container for storing fuel, the oil bag adds the fuel into the oil taking pipe 212 through gravity after being lifted (the position moves upwards), the fuel feeding amount is controlled through the fuel control valve 216, the oil taking pipe 212 comprises a horizontal pipe and a vertical pipe, the horizontal pipe horizontally penetrates through the shell 1, the vertical pipe is vertically arranged in the hearth 21, the horizontal pipe is communicated with the vertical pipe, the lower oil pipe 214 is vertically arranged in the hearth 21 and is parallel to the vertical pipe of the oil taking pipe 212, and the top of the vertical pipe and the top of the lower oil pipe 214 are provided with the vaporizing cap 213.
The number of the oil gas diversion frames 215 is two, and the two oil gas diversion frames 215 are respectively fixed at the middle part and the lower part of the inner side of the hearth 21 through a plurality of metal rods.
The working principle is as follows: the fuel in the oil bag flows into the fuel control valve 216 under the action of gravity, then passes through the oil taking pipe 212 at a set flow rate, then enters the vaporization cap 213 to be heated into gas, and then injects the vaporized fuel into the bottom of the hearth 21 through the oil feeding pipe 214. Primary air enters from air inlet holes 211 on the periphery of the lower part of the hearth 21 and is mixed with steam, and mixed gas flows upwards under the suction action of the chimney 35 and is blocked by the oil-gas shunting frame 215 to be dispersed to the vicinity of the wall surface of the hearth 21. Secondary air enters from the air inlet holes 211 in the middle of the hearth 21 and is mixed with the mixed gas again to supplement oxygen, and at the moment, the secondary air is heated by the radiation of combustion flame at the top of the hearth 21, and the mixed gas is subjected to flameless combustion. The tertiary air enters from the air inlet holes 211 at the upper part of the hearth 21 and is mixed with the high-temperature flameless combustion gas for intensified combustion. The heat exchange and discharge mode of the flue gas is the same as that of burning solid fuel.
Other embodiments
The present embodiment is different from the above embodiments in that, as shown in fig. 6, the present embodiment further includes a plurality of movable communicating members 5, the opening 41 on the partition plate 4 is communicated with the smoke channel 331 through the movable communicating members 5 in the present embodiment, the bottom end of the smoke tube 35 is communicated with the connecting cylinder 34, and the connecting cylinder 34 is communicated with the smoke channel 331 through the movable communicating members 5;
the movable communicating piece 5 is a cuboid with a vertically arranged long edge, a channel with a rectangular cross section is arranged inside the movable communicating piece 5, meanwhile, openings consistent with the movable communicating piece 5 are arranged at corresponding positions of the connecting cylinder 34 and the corresponding air pulling cylinder 33, a control rod 51 is fixedly arranged on one side face of the movable communicating piece 5, and the free end of the control rod 51 extends out of the outer shell 1.
When the control rod 51 is pulled outwards, the two movable communicating parts 5 are displaced, the sealing connection of the smoke channel 331, the combustion chamber 2 and the connecting cylinder 34 (namely the smoke cylinder 35) is removed, hot air generated by the combustion chamber 2 directly enters the smoke cavity 3 and is discharged along the connecting cylinder 34 and the smoke cylinder 35, so that the obstruction in the hot air flowing process can be reduced, the heating furnace can start to work in the room, the inside of the smoke cavity 3 can be rapidly heated, the smoke cylinder 35 rapidly discharges smoke to form negative pressure, after the smoke cavity 3 is partially heated, the control rod 51 is pushed inwards, the movable communicating parts 5 return, the smoke channel 331, the combustion chamber 2 and the connecting cylinder 34 form sealing connection again, and indoor air is heated.
In addition, in other embodiments, the multi-fuel heating furnace may also be a single-fuel heating furnace, or the "multi-fuel" may also employ multi-fuel heating technology such as that disclosed in application No. CN 201510296639.3.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The multi-fuel heating furnace is characterized by comprising a shell, wherein the bottom of the shell is provided with a ventilated bottom frame, a partition plate is vertically arranged in the shell, the inner space of the shell is divided into a combustion chamber and a smoke cavity by the partition plate, and the top of the smoke cavity is provided with a smoke tube;
a hearth is arranged in the combustion chamber;
the smoke chamber is internally provided with an air lift device, the air lift device comprises a plurality of air pulling cylinders which are vertically arranged, each air pulling cylinder comprises an inner cylinder wall and an outer cylinder wall, a closed space is formed between the inner cylinder wall and the outer cylinder wall, and the closed spaces of the air pulling cylinders are sequentially communicated through a communicating piece to form a smoke channel;
an opening is formed in the partition plate, and one end of the smoke channel is communicated with the opening;
the other end of the smoke channel is communicated with the bottom end of the chimney;
the inner space enclosed by the inner cylinder wall is an air lifting channel, and the upper end and the lower end of the air lifting channel are communicated with the external space.
2. A multi-fuel heating furnace as claimed in claim 1, characterized in that a smoke chamber baffle is vertically arranged between the hearth and the partition plate, the top end of the smoke chamber baffle is connected with the top of the housing, and the bottom of the smoke chamber baffle is suspended.
3. A multi-fuel heating stove according to claim 1, characterized in that the communication member is a cuboid structure with vertically arranged long sides, and a passage with a rectangular cross section is arranged inside the communication member.
4. The multi-fuel heating stove according to claim 1, further comprising a plurality of movable communication pieces, wherein the opening is communicated with the smoke channel through the movable communication pieces, a connecting cylinder is communicated with the bottom end of the smoke cylinder, and the connecting cylinder is communicated with the smoke channel through the movable communication pieces;
the activity communicating member is the cuboid of the vertical setting in long limit, the inside cross-section that sets up of activity communicating member is rectangular passageway, the fixed control lever that sets up of a lateral surface of activity communicating member, the control lever free end extends the outside of shell.
5. A multi-fuel heating stove according to claim 1, characterized in that for burning solid fuel, a grate is arranged at the bottom of the firebox, and a plurality of air intake holes are arranged at the upper part of the side wall of the firebox.
6. A multi-fuel heating stove according to claim 1, characterized in that for burning liquid fuel, the upper, middle and lower part of the side walls of the chamber are provided with a plurality of air inlet holes, and the bottom of the chamber is sealed.
7. A multi-fuel heating stove according to claim 6, further comprising a vaporisation device and an air-fuel distribution frame, the vaporisation device being secured inside the hearth by the air-fuel distribution frame.
8. A multi-fuel heating stove according to claim 7, characterized in that the vaporizing means comprise a vaporizing cap, an oil take-off pipe and an oil down pipe, the oil take-off pipe being provided with a fuel control valve.
9. The multi-fuel heating furnace as claimed in claim 7, wherein the number of the oil-gas distribution frames is two, and the two oil-gas distribution frames are respectively fixed at the middle part and the lower part of the inner side of the hearth through a plurality of metal rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305918.8U CN211781423U (en) | 2020-03-12 | 2020-03-12 | Multi-fuel heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305918.8U CN211781423U (en) | 2020-03-12 | 2020-03-12 | Multi-fuel heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211781423U true CN211781423U (en) | 2020-10-27 |
Family
ID=72930443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020305918.8U Active CN211781423U (en) | 2020-03-12 | 2020-03-12 | Multi-fuel heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211781423U (en) |
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2020
- 2020-03-12 CN CN202020305918.8U patent/CN211781423U/en active Active
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