CN219389816U - Biomass water heating stove with novel lower back-burning structure - Google Patents
Biomass water heating stove with novel lower back-burning structure Download PDFInfo
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- CN219389816U CN219389816U CN202223469012.8U CN202223469012U CN219389816U CN 219389816 U CN219389816 U CN 219389816U CN 202223469012 U CN202223469012 U CN 202223469012U CN 219389816 U CN219389816 U CN 219389816U
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Abstract
The utility model provides a biomass water heating furnace with a novel lower back-firing structure, wherein a combustion chamber is arranged in a water heating furnace body and is communicated with a feeding system, an electric control system is arranged at the top end of the feeding system for controlling the opening and closing, a control panel is arranged on the electric control system and is respectively and electrically connected with an ignition rod, a double motor and an induced draft fan and respectively controls the opening and the closing. The combustion tank can be preheated by the downward counter-combustion and then the upward combustion from the two sides of the combustion tank, so that the biomass fuel fully generates combustible gas, and the biomass fuel is fully combusted through secondary air supplement.
Description
Technical Field
The utility model relates to a biomass water heating furnace with a novel lower back-sintering structure.
Background
The biomass stoves are classified into a roasting stove, a water heating stove, a hot blast stove, etc. according to the use, and can be classified into a biomass briquette stove, a biomass particle stove, a biomass direct-fired stove, etc. according to the type of fuel. The important problems faced by the existing biomass household stoves are that the technical structure needs to be innovated, the stove is still not ideal after being changed into small and improved on the basis of a large boiler, and the situations of low heat efficiency, poor emission and unreasonable structure exist.
Disclosure of Invention
The utility model provides a biomass water heating furnace with a novel lower back-sintering structure, which prolongs the heat exchange stroke of flame and smoke in the furnace, effectively reduces the temperature of smoke outlet, improves the heat exchange efficiency, can effectively reduce the emission of nitrogen oxides and carbon monoxide, and is more environment-friendly.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a living beings water heating stove with novel lower back-up structure which characterized in that: the water heating furnace is internally provided with a combustion chamber which is communicated with a feeding system, and the top end of the feeding system is provided with an electric control system for controlling the opening and closing;
the feeding system comprises a feed bin, an upper auger and a lower auger, biomass fuel is added in the feed bin, the upper auger and the lower auger are respectively and electrically connected with a double motor, the upper auger and the lower auger are used for conveying the biomass fuel into the combustion chamber, an ignition rod is arranged on one side of the lower auger and used for igniting the biomass fuel, an induced draft fan is arranged below the lower auger and communicated with the water heating furnace body, and the induced draft fan can attract smoke into the water heating furnace body from the combustion chamber through negative pressure and finally discharge the smoke into the water heating furnace body;
the combustion chamber comprises a combustion tank and an air inlet, the combustion tank is communicated with the feeding system through the air inlet, two rows of air supplementing openings are uniformly distributed on two sides of the combustion tank, and the bottom end of the combustion tank is provided with a discharge hole;
a plurality of heat exchange pipes are uniformly arranged on the inner wall of the water heating furnace body, the heat exchange pipes are communicated through a water jacket, the top ends of the heat exchange pipes are communicated with a water inlet, the bottom ends of the heat exchange pipes are communicated with a water outlet, the top end of the water heating furnace body is provided with a furnace cover, and a fire gathering port is arranged below the furnace cover;
the electric control system is provided with a control panel which is electrically connected with the ignition rod, the double motors and the induced air fan respectively and controls the on-off of the ignition rod, the double motors and the induced air fan respectively.
The biomass water heating stove with the novel lower back-burning structure comprises: the flame and the smoke generated in the combustion pool are combusted downwards through the exhaust hole under the action of the negative pressure of the induced draft fan, when the flame and the smoke are combusted upwards through the two sides of the combustion pool, secondary air supplement is carried out in the combustion pool through the air supplement port, the flame and the smoke rise to the fire gathering port and the furnace cover, then move downwards to the bottom along the inner wall of the water heating furnace body, are finally exhausted through the induced draft fan, and are respectively in heat exchange with the water jacket and the heat exchange pipe in the moving process of the water heating furnace body.
The biomass water heating stove with the novel lower back-burning structure comprises: the rotating speed of the lower auger is larger than that of the upper auger, so that back burning is prevented.
The biomass water heating stove with the novel lower back-burning structure comprises: the front of the water heating furnace body is provided with a furnace door, the water heating furnace body is internally provided with an ash bin, and the ash bin is also positioned in front of the combustion pool and used for allowing residual ash and slag to fall off.
The biomass water heating stove with the novel lower back-burning structure comprises: the combustion pond is the mouth shape, and the material is cast iron, the both ends of combustion pond pass through the flange respectively with feed system reaches the hot-water heating furnace body intercommunication.
The utility model has the beneficial effects that:
the novel water heating stove adopts a lower counter-burning structure, so that the heat exchange stroke of flame and smoke in the stove is prolonged, the smoke outlet temperature is effectively reduced, the heat exchange efficiency is increased, and meanwhile, the function of protecting an induced draft fan is achieved. For biomass fuel with larger separation, coking phenomenon can be generated in the combustion process, and the furnace can push residual ash and coking which are completely combusted in the combustion tank into an ash bin by using the power of pushing the fuel forward through the rotation of the lower auger. For stove emission, through lower counter burning and then burning from combustion tank both circumferences upwards, can make the combustion tank preheat, make biomass fuel fully produce combustible gas to carry out full combustion through the secondary air supplement, compare biomass fuel direct combustion, can effectively reduce the emission of nitrogen oxide and carbon monoxide, more environmental protection.
Drawings
Fig. 1 is a block diagram of a biomass water heating furnace with a novel lower back-firing structure.
Fig. 2 is a front view structural diagram of a biomass water heating stove with a novel lower back-firing structure.
FIG. 3 is a cross-sectional view A-A of a biomass water heating furnace with a novel lower back-firing structure.
Fig. 4 is a side view structural diagram of a biomass water heating stove with a novel lower back burning structure.
FIG. 5 is a B-B cross-sectional view of a biomass water heating furnace with a novel lower back firing structure.
Fig. 6 is an enlarged view of a portion of a biomass water heating furnace with a novel lower back firing structure.
Reference numerals illustrate: 1-a feed system; 2-combustion chamber; 3-a water heating furnace body; 4-an electric control system; 11-bin; 12-feeding an auger; 13-lower auger; 21-a combustion tank; 22-an air inlet; 31-water jacket; 32-ash bin; 33-heat exchange tubes; 34-oven door; 35-furnace cover; 36-water inlet; 37-water outlet; 38-a fire gathering port; 41-a control panel; 42-ignition bar; 43-double motor; 44-induced draft fan.
Detailed Description
The biomass water heating furnace with the novel lower back-burning structure is shown in fig. 1 to 6, a combustion chamber 2 is arranged in a water heating furnace body 3, the combustion chamber 2 is communicated with a feeding system 1, and an electric control system 4 is arranged at the top end of the feeding system 1 for controlling the opening and closing.
The feeding system 1 comprises a storage bin 11, an upper auger 12 and a lower auger 13, biomass fuel is added into the storage bin 11, the upper auger 12 and the lower auger 13 are respectively electrically connected with a double motor 43, the rotating speed of the lower auger 13 is greater than that of the upper auger 12, reverse burning is prevented, the upper auger 12 and the lower auger 13 are used for conveying the biomass fuel to the combustion chamber 2, an ignition rod 42 is arranged on one side of the lower auger 13, the biomass fuel is ignited, an induced draft fan 44 is arranged below the lower auger 13, the induced draft fan 44 is communicated with the water heating furnace body 3, and the induced draft fan 44 is used for sucking smoke from the combustion chamber 2 to the water heating furnace body 3 through negative pressure energy and finally discharging the smoke to the water heating furnace body 3.
The combustion chamber 2 comprises a combustion pond 21 and an air inlet 22, wherein the combustion pond 21 is of a mouth shape and is made of cast iron, two ends of the combustion pond 21 are respectively communicated with the feeding system 1 and the water heating furnace body 3 through flanges, the combustion pond 21 is communicated with the feeding system 1 through the air inlet 22, two rows of air supply openings are uniformly distributed on two sides of the combustion pond 21, and a discharge hole is formed in the bottom end of the combustion pond 21.
The water heating furnace comprises a water heating furnace body 3, a water jacket 31, a water inlet 36, a water cover 35, a fire gathering port 38, an ash bin 32, a combustion pond 21 and an ash bin 32, wherein a plurality of heat exchange tubes 33 are uniformly arranged on the inner wall of the water heating furnace body 3, the heat exchange tubes 33 are communicated through the water jacket 31, the top ends of the heat exchange tubes 33 are communicated with the water outlet 37, the top end of the water heating furnace body 3 is provided with the furnace cover 35, the fire gathering port 38 is arranged below the furnace cover 35, the furnace door 34 is arranged in front of the water heating furnace body 3, and the ash bin 32 is arranged in the water heating furnace body 3 and is positioned in front of the combustion pond 21, so that residual ash and slag fall.
The flame and the smoke generated in the combustion pool 21 are combusted downwards through the exhaust hole under the action of the negative pressure of the induced draft fan 44, when the flame and the smoke are combusted upwards through the two sides of the combustion pool 21, the secondary air supplement is carried out in the combustion pool 21 through the air supplement port, the flame and the smoke rise to the fire gathering port 38 and the furnace cover 35 and then move downwards to the bottom along the inner wall of the water heating furnace body 3, finally are exhausted through the induced draft fan 44, and the flame and the smoke are respectively in contact heat exchange with the water jacket 31 and the heat exchange tube 33 in the moving process of the water heating furnace body 3.
The electric control system 4 is provided with a control panel 41, and the control panel 41 is respectively electrically connected with the ignition rod 42, the double motor 43 and the induced draft fan 44 and respectively controls the opening and closing.
In the embodiment, biomass fuel is added into the storage bin 11, the double motors 43 are started simultaneously through the control panel 41, the biomass fuel is respectively conveyed into the combustion tank 21 through the rotation of the upper auger 12 and the lower auger 13 for precharging, the ignition rod 42 is started through the control panel 41, the biomass fuel is ignited by the ignition rod 42, meanwhile, the lower auger 13 utilizes the rotation to push the biomass fuel to move forwards, and the biomass fuel in the combustion tank 21 is also ignited together, so that the combustion tank 21 can be preheated, and the biomass fuel can fully generate combustible gas and can be fully combusted through secondary air supplement.
When biomass fuel burns, the control panel 41 starts the induced draft fan 44, and due to the negative pressure effect of the induced draft fan 44, flames and smoke generated in the combustion tank 21 can be combusted downwards, the flames and smoke pass through two sides of the combustion tank 21 to be combusted upwards, secondary air supplement is performed in the combustion tank 21 through the air supplement openings, the flames and smoke rise to the fire gathering openings 38 and the furnace cover 35 and then move downwards to the bottom along the inner wall of the water heating furnace body 3, finally are discharged through the induced draft fan 44, and the flames and smoke are respectively in contact with the water jacket 31 and the heat exchange tube 33 for heat exchange in the moving process of the water heating furnace body 3, so that the heat exchange of the flames and the smoke in the furnace is prolonged, the smoke outlet temperature is effectively reduced, and the heat exchange efficiency is improved.
The utility model has the advantages that:
the novel water heating stove adopts a lower counter-burning structure, so that the heat exchange stroke of flame and smoke in the stove is prolonged, the smoke outlet temperature is effectively reduced, the heat exchange efficiency is increased, and meanwhile, the function of protecting an induced draft fan is achieved. For biomass fuel with larger separation, coking phenomenon can be generated in the combustion process, and the furnace can push residual ash and coking which are completely combusted in the combustion tank into an ash bin by using the power of pushing the fuel forward through the rotation of the lower auger. For stove emission, through lower counter burning and then burning from combustion tank both circumferences upwards, can make the combustion tank preheat, make biomass fuel fully produce combustible gas to carry out full combustion through the secondary air supplement, compare biomass fuel direct combustion, can effectively reduce the emission of nitrogen oxide and carbon monoxide, more environmental protection.
The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (5)
1. The utility model provides a living beings water heating stove with novel lower back-up structure which characterized in that: a combustion chamber (2) is arranged in the water heating furnace body (3), the combustion chamber (2) is communicated with a feeding system (1), and an electric control system (4) is arranged at the top end of the feeding system (1) for controlling the opening and closing;
the feeding system (1) comprises a storage bin (11), an upper auger (12) and a lower auger (13), biomass fuel is added into the storage bin (11), the upper auger (12) and the lower auger (13) are respectively and electrically connected with a double motor (43), the upper auger (12) and the lower auger (13) are used for conveying the biomass fuel into the combustion chamber (2), an ignition rod (42) is arranged on one side of the lower auger (13) for igniting the biomass fuel, an induced draft fan (44) is arranged below the lower auger (13), the induced draft fan (44) is communicated with the water heating furnace body (3), and the induced draft fan (44) can absorb smoke from the combustion chamber (2) into the water heating furnace body (3) through negative pressure energy and finally discharge the smoke into the water heating furnace body (3).
The combustion chamber (2) comprises a combustion tank (21) and an air inlet (22), the combustion tank (21) is communicated with the feeding system (1) through the air inlet (22), two rows of air supplementing openings are uniformly distributed on two sides of the combustion tank (21), and a discharge hole is formed in the bottom end of the combustion tank (21);
a plurality of heat exchange pipes (33) are uniformly arranged on the inner wall of the water heating furnace body (3), the heat exchange pipes (33) are communicated through a water jacket (31), the top ends of the heat exchange pipes (33) are communicated with a water inlet (36), the bottom ends of the heat exchange pipes (33) are communicated with a water outlet (37), a furnace cover (35) is arranged at the top end of the water heating furnace body (3), and a fire gathering port (38) is arranged below the furnace cover (35);
the electric control system (4) is provided with a control panel (41), and the control panel (41) is respectively electrically connected with the ignition rod (42), the double motor (43) and the induced draft fan (44) and respectively controls the opening and closing.
2. A biomass water heating furnace with a novel lower back-fire structure as claimed in claim 1, wherein: flame and flue gas generated in the combustion pool (21) pass through the negative pressure effect of induced draft fan (44), pass through the discharge port burns downwards, flame and flue gas rethread when burning upwards in the both sides of combustion pool (21), through the air make-up mouth is right carry out secondary air make-up in combustion pool (21), flame and flue gas rise to after gathering fire mouth (38) and bell (35) department, follow again the inner wall of hot-water heating furnace body (3) moves down to the bottom, finally passes through induced draft fan (44) discharge, flame and flue gas in hot-water heating furnace body (3) in-process, respectively with water jacket (31) and heat transfer pipe (33) contact heat transfer.
3. A biomass water heating furnace with a novel lower back-fire structure as claimed in claim 1, wherein: the rotating speed of the lower auger (13) is larger than that of the upper auger (12) so as to prevent back burning.
4. A biomass water heating furnace with a novel lower back-fire structure as claimed in claim 1, wherein: the front of the water heating furnace body (3) is provided with a furnace door (34), the water heating furnace body (3) is internally provided with an ash bin (32), and the ash bin (32) is also positioned in front of the combustion pool (21) and used for allowing residual ash and slag to fall off.
5. A biomass water heating furnace with a novel lower back-fire structure as claimed in claim 1, wherein: the combustion pool (21) is of a mouth shape and made of cast iron, and two ends of the combustion pool (21) are respectively communicated with the feeding system (1) and the water heating furnace body (3) through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469012.8U CN219389816U (en) | 2022-12-23 | 2022-12-23 | Biomass water heating stove with novel lower back-burning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469012.8U CN219389816U (en) | 2022-12-23 | 2022-12-23 | Biomass water heating stove with novel lower back-burning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219389816U true CN219389816U (en) | 2023-07-21 |
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ID=87188341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223469012.8U Active CN219389816U (en) | 2022-12-23 | 2022-12-23 | Biomass water heating stove with novel lower back-burning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219389816U (en) |
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2022
- 2022-12-23 CN CN202223469012.8U patent/CN219389816U/en active Active
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