CN215675791U - Multi-combustion high-heat-efficiency biomass heating stove - Google Patents
Multi-combustion high-heat-efficiency biomass heating stove Download PDFInfo
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- CN215675791U CN215675791U CN202121558106.5U CN202121558106U CN215675791U CN 215675791 U CN215675791 U CN 215675791U CN 202121558106 U CN202121558106 U CN 202121558106U CN 215675791 U CN215675791 U CN 215675791U
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Abstract
The utility model discloses a multi-combustion high-heat-efficiency biomass heating furnace which comprises a furnace body, wherein a combustion supporting plate is arranged inside the furnace body, the combustion supporting plate divides the inside of the furnace body into a combustion cavity and an ash storage cavity, a hollow heat-conducting plate is arranged inside the ash storage cavity, two heat exchange tubes are arranged at the top of the hollow heat-conducting plate, the other ends of the two heat exchange tubes are fixedly provided with a connecting tube, the rear end of the furnace body is fixedly provided with a fan, the air inlet end of the fan is fixedly provided with a flue gas inlet tube, and the air outlet end of the fan is fixedly provided with a flue gas return tube. According to the utility model, through arranging the hollow heat conducting plate and the heat exchange tube, the heat generated by combustion can be exchanged for two times, the heat exchange area is large, the heating speed is high, the heating efficiency is high, and through circularly combusting the flue gas and the floated biomass particles for multiple times, the combustion is thorough, and the utilization rate of resources is high.
Description
Technical Field
The utility model relates to the technical field of heating stoves, in particular to a biomass heating stove capable of combusting for multiple times and having high thermal efficiency.
Background
The heating furnace is a common heating tool in colder areas in the north of China, the heating furnace can be divided into non-biomass heating furnaces such as an electric heating boiler, a fuel oil heating boiler, a fuel gas heating boiler and a coal-fired heating boiler according to different fuels, the heating furnace adopting biomass as the fuel is called a biomass heating furnace, the biomass fuel generally takes agricultural and forestry wastes (straws, corncobs, wood chips and the like) as raw materials, and the biomass fuel is prepared into molded granular fuel through a series of process flows such as crushing, drying, mixing and extruding. The biomass fuel is a novel low-carbon, environment-friendly and energy-saving clean fuel capable of being directly combusted as a novel fuel supporting national popularization, and replaces the traditional energy to a great extent. Biomass heating stoves that use biomass fuels are therefore also being selected by an increasing number of people.
At present, the biomass heating stove is when the in-service use, and the burning is not enough, has some living beings granule can be along with the flue gas directly discharge, and this has caused the waste of resource, and current heating stove heating area is less, and heating efficiency is lower.
Therefore, it is necessary to provide a multi-combustion high-thermal-efficiency biomass heating furnace to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a biomass heating furnace with multiple combustion and high thermal efficiency, which can perform two-time exchange on heat generated by combustion by arranging a hollow heat conducting plate and a heat exchange tube, has larger heat exchange area, higher heating speed and higher heating efficiency, and can perform circulating multiple combustion on smoke and floated biomass particles, so that the combustion is more thorough, and the utilization rate of resources is higher, thereby solving the defects in the technology.
In order to achieve the above purpose, the utility model provides the following technical scheme: a multi-combustion high-heat-efficiency biomass heating furnace comprises a furnace body, wherein a combustion supporting plate is arranged inside the furnace body, the outer end of the combustion supporting plate is fixedly connected with the inner wall of the furnace body, the combustion supporting plate divides the interior of the furnace body into a combustion cavity and an ash storage cavity, the combustion cavity is arranged at the top of the ash storage cavity, a hollow heat-conducting plate is arranged inside the ash storage cavity, two heat exchange tubes are arranged at the top of the hollow heat-conducting plate, one end of each heat exchange tube penetrates through one side of the hollow heat-conducting plate and is communicated with the interior of the hollow heat-conducting plate, a connecting tube is fixedly arranged at the other end of each heat exchange tube, the two ends of each connecting tube are respectively communicated with the other ends of the two heat exchange tubes, a fan is fixedly arranged at the rear end of the furnace body, a flue gas inlet end of the fan is fixedly provided with a flue gas inlet tube, one end of the flue gas inlet tube penetrates through the rear end of the furnace body and is communicated with the interior of the combustion cavity, and a flue gas return tube is fixedly arranged at the air outlet end of the fan, one end of the flue gas return pipe penetrates through the rear end of the furnace body and is communicated with the interior of the ash storage cavity.
Preferably, the top end inside the ash storage cavity is fixedly provided with a filter screen plate, the filter screen plate is arranged at the top of one end of the flue gas inlet pipe, the top end of the furnace body is fixedly provided with a flue gas discharge pipe, one end of the flue gas discharge pipe penetrates through the top end of the furnace body and is communicated with the inside of the combustion cavity, and the flue gas discharge pipe is arranged at the top end of the filter screen plate.
Preferably, a plurality of ash leakage holes are formed in the top end of the combustion supporting plate, and the combustion cavity is communicated with the interior of the ash storage cavity through the ash leakage holes.
Preferably, a water inlet pipe and a water outlet pipe are fixedly arranged on one side of the furnace body, the water outlet pipe is arranged at the top of the water inlet pipe, one end of the water inlet pipe penetrates through one side of the furnace body and the other side of the hollow heat-conducting plate and is communicated with the interior of the hollow heat-conducting plate, and one end of the water outlet pipe penetrates through one side of the furnace body and the outer end of the connecting pipe and is communicated with the interior of the connecting pipe.
Preferably, an air inlet pipe is fixedly arranged on one side of the furnace body, the air inlet pipe is arranged at the bottom of the water inlet pipe, and one end of the air inlet pipe penetrates through one side of the furnace body and is communicated with the inner part of the combustion chamber.
Preferably, the fixed inlet pipe that is equipped with of furnace body opposite side, inlet pipe one side is passed the furnace body opposite side and is linked together with the combustion chamber inside, the inlet pipe is established between combustion backup pad and hollow heat-conducting plate, the fixed charging chute that is equipped with in inlet pipe top outer end, the charging chute bottom is linked together with the inlet pipe is inside, the inlet pipe other end is equipped with the motor, the inside hob that is equipped with of inlet pipe, hob one end pass the inlet pipe other end and with the output shaft fixed connection of motor, be connected through the bearing rotation between hob one end and the inlet pipe other end.
Preferably, two supporting fixed blocks are fixedly arranged on two sides of the hollow heat conducting plate, and the outer sides of the supporting fixed blocks are fixedly connected with the inner wall of the combustion chamber.
Preferably, the front end of the furnace body is provided with a sealing door, the sealing door is arranged on the front side of the ash storage cavity, and one side of the sealing door is connected with the other side of the furnace body through a hinge.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. by adding water into the water inlet pipe, the water sequentially passes through the water inlet pipe, the heat conducting plate, the heat exchange pipe and the connecting pipe and is discharged through the water outlet pipe, when biomass fuel is combusted at the top end of the combustion supporting plate, the water in the hollow heat conducting plate can exchange heat with combustion flame, the water in the heat exchange pipe can exchange heat with high-temperature air, so that the temperature of the water after twice heat exchange can be rapidly increased, biomass particles brought up by the flue gas can be blocked in the combustion cavity by the filter screen plate, the fan is started, the flue gas inlet pipe can suck the flue gas after heat exchange at the top of the combustion cavity and the biomass particles which are not completely combusted into the flue gas inlet pipe, the flue gas returns to the bottom of the combustion cavity through the flue gas return pipe for combustion, the heat generated by combustion can be exchanged twice by arranging the hollow heat conducting plate and the heat exchange pipe, the heat exchange area is large, and the heating speed is high, the heating efficiency is high, and the smoke and the floated biomass particles are circularly combusted for multiple times, so that the combustion is thorough, and the utilization rate of resources is high;
2. through putting biomass fuel into the charging chute, the biomass fuel can fall into the feeding pipe, the motor is started, the output shaft of the motor drives the screw rod to rotate, the screw rod can push the biomass fuel in the feeding pipe to the top end of the combustion supporting plate, and then air is introduced into the combustion cavity from the air inlet pipe, so that the biomass fuel can be combusted at the top end of the combustion supporting plate.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall perspective view of the present invention;
FIG. 3 is a schematic overall perspective cross-sectional structural view of the present invention;
FIG. 4 is a schematic perspective sectional view of the feed tube and feed tank of the present invention;
FIG. 5 is a schematic view of a three-dimensional cross-sectional structure of the furnace body of the present invention;
FIG. 6 is a schematic view of a three-dimensional vertical sectional structure of the furnace body of the present invention.
Description of reference numerals:
the device comprises a furnace body 1, a combustion supporting plate 2, a combustion chamber 3, an ash storage chamber 4, a hollow heat conducting plate 5, a heat exchange tube 6, a connecting tube 7, a fan 8, a flue gas inlet tube 9, a flue gas return tube 10, a filter screen plate 11, a flue gas discharge tube 12, an ash leakage hole 13, a water inlet tube 14, a water outlet tube 15, a gas inlet tube 16, a gas inlet tube 17, a material inlet tube 18, a material feeding groove 19, a motor 19, a screw rod 20, a supporting fixing block 21 and a sealing door 22.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a multi-combustion high-heat-efficiency biomass heating furnace as shown in figures 1, 2, 3, 5 and 6, which comprises a furnace body 1, wherein a combustion supporting plate 2 is arranged inside the furnace body 1, the outer end of the combustion supporting plate 2 is fixedly connected with the inner wall of the furnace body 1, the combustion supporting plate 2 divides the inside of the furnace body 1 into a combustion cavity 3 and an ash storage cavity 4, the combustion cavity 3 is arranged at the top of the ash storage cavity 4, a hollow heat conducting plate 5 is arranged inside the ash storage cavity 4, the top of the hollow heat conducting plate 5 is provided with two heat exchange tubes 6, one end of each heat exchange tube 6 penetrates through one side of the hollow heat conducting plate 5 and is communicated with the inside of the hollow heat conducting plate 5, the other end of each heat exchange tube 6 is fixedly provided with a connecting tube 7, the two ends of each connecting tube 7 are respectively communicated with the other ends of the two heat exchange tubes 6, the rear end of the furnace body 1 is fixedly provided with a fan 8, and the air inlet end of the fan 8 is fixedly provided with a flue gas inlet tube 9, one end of the flue gas inlet pipe 9 penetrates through the rear end of the furnace body 1 and is communicated with the interior of the combustion chamber 3, the air outlet end of the fan 8 is fixedly provided with a flue gas return pipe 10, and one end of the flue gas return pipe 10 penetrates through the rear end of the furnace body 1 and is communicated with the interior of the ash storage chamber 4.
The ash storage cavity 4 is internally provided with a filter screen plate 11 at the top end, the filter screen plate 11 is arranged at the top of one end of a flue gas inlet pipe 9, a flue gas discharge pipe 12 is fixedly arranged at the top end of the furnace body 1, one end of the flue gas discharge pipe 12 penetrates through the top end of the furnace body 1 and is communicated with the inside of the combustion cavity 3, and the flue gas discharge pipe 12 is arranged at the top end of the filter screen plate 11 and can filter unburnt biomass particles so as to be convenient for circulating combustion.
A plurality of ash holes 13 are formed in the top end of the combustion supporting plate 2, the combustion cavity 3 is communicated with the interior of the ash storage cavity 4 through the ash holes 13, and ash generated after combustion of biomass fuel on the combustion supporting plate 2 can leak into the interior of the ash storage cavity 4 from the ash holes 13.
The fixed inlet tube 14 and the outlet pipe 15 of being equipped with in furnace body 1 one side, the outlet pipe 15 is established at inlet tube 14 top, 14 one end of inlet tube is passed furnace body 1 one side and 5 opposite sides of cavity heat-conducting plate and is linked together with cavity heat-conducting plate 5 is inside, 15 one end of outlet pipe is passed furnace body 1 one side and 7 outer ends of connecting pipe and is linked together with connecting pipe 7 is inside, the entering and the discharge of the water of being convenient for, and then the circulation of the heat exchange of the water of being convenient for goes on.
The both sides of cavity heat-conducting plate 5 are all fixed and are equipped with two and support fixed block 21, support the fixed block 21 outside and 3 inner wall fixed connection in combustion chamber, be convenient for support fixedly to cavity heat-conducting plate 5.
The implementation mode is specifically as follows: add water from inlet tube 14, water enters into inside cavity heat-conducting plate 5 through inlet tube 14, enter into inside heat exchange tube 6 through cavity heat-conducting plate 5 again, then collect in connecting pipe 7, discharge through outlet pipe 15 again, when biomass fuel burns at 2 tops of burning backup pad, burning flame can directly heat cavity heat-conducting plate 5, cavity heat-conducting plate 5 can carry out the heat exchange with its inside water, the temperature of the inside water of cavity heat-conducting plate 5 can rise, and the high temperature flue gas that the burning produced can rise to the top of burning chamber 3, water in the heat exchange tube 6 can take place the heat exchange with high temperature air, the temperature through twice heat exchanges can rise rapidly like this, and can improve to thermal utilization ratio, the living beings granule that the flue gas brought up can be kept off by filter screen board 11 inside burning chamber 3, start fan 8, flue gas admission pipe 9 can inhale the flue gas after the heat exchange in burning chamber 3 top through the complete living beings granule of unburnt to its inside Then returns to the bottom of the combustion chamber 3 for combustion through the flue gas return pipe 10, and then is combusted for a plurality of times, the biomass particle can be burnt cleanly, the heat can be brought back to a part by the returned smoke, the utilization rate of the heat is further improved, by arranging the hollow heat conducting plate 5 and the heat exchange tube 6, can exchange heat generated by combustion twice, has larger heat exchange area, higher heating speed and higher heating efficiency, the smoke and the floated biomass particles are circularly combusted for a plurality of times, so that the combustion is more thorough, the utilization rate of resources is higher, the embodiment specifically solves the problems that the biomass heating furnace in the prior art has insufficient combustion and some biomass particles can be directly discharged along with flue gas when in actual use, this has caused the waste of resource, and current heating stove heating area is less, the lower problem of heating efficiency.
The utility model provides a biomass heating furnace with multiple combustion and high thermal efficiency as shown in figures 1 and 4, wherein an air inlet pipe 16 is fixedly arranged on one side of a furnace body 1, the air inlet pipe 16 is arranged at the bottom of an water inlet pipe 14, one end of the air inlet pipe 16 penetrates through one side of the furnace body 1 and is communicated with the interior of a combustion cavity 3, so that oxygen can be conveniently introduced into the combustion cavity 3 to maintain the combustion requirement of biomass fuel.
The fixed inlet pipe 17 that is equipped with of 1 opposite side of furnace body, inlet pipe 17 one side is passed 1 opposite side of furnace body and is linked together with 3 inside combustion chamber, inlet pipe 17 is established between combustion backup pad 2 and hollow heat-conducting plate 5, the fixed charging chute 18 that is equipped with in inlet pipe 17 top outer end, 18 bottoms of charging chute are linked together with the inlet pipe 17 is inside, the inlet pipe 17 other end is equipped with motor 19, the inside hob 20 that is equipped with of inlet pipe 17, the hob 20 one end pass the inlet pipe 17 other end and with motor 19's output shaft fixed connection, be connected through the bearing rotation between 20 one end of hob and the inlet pipe 17 other end for the joining of fuel is comparatively simple and convenient, and need not artifically add always, has reduced people's work load, and the practicality is stronger.
The front end of the furnace body 1 is provided with a sealing door 22, the sealing door 22 is arranged on the front side of the ash storage cavity 4, and one side of the sealing door 22 is connected with the other side of the furnace body 1 through a hinge, so that ash can be conveniently cleaned.
The implementation mode is specifically as follows: when biomass fuel is added to the top end of the combustion supporting plate 2, the biomass fuel is placed into the feeding groove 18, the biomass fuel can fall into the feeding pipe 17, the motor 19 is started, the output shaft of the motor 19 drives the spiral rod 20 to rotate, the spiral rod 20 can push the biomass fuel in the feeding pipe 17 to the top end of the combustion supporting plate 2, and air is introduced into the combustion cavity 3 from the air inlet pipe 16, so that the biomass fuel can be combusted at the top end of the combustion supporting plate 2.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. The utility model provides a high thermal efficiency living beings heating stove of multifuel combustion, includes furnace body (1), its characterized in that: the furnace body (1) is internally provided with a combustion supporting plate (2), the outer end of the combustion supporting plate (2) is fixedly connected with the inner wall of the furnace body (1), the combustion supporting plate (2) separates the interior of the furnace body (1) into a combustion chamber (3) and an ash storage chamber (4), the combustion chamber (3) is arranged at the top of the ash storage chamber (4), the ash storage chamber (4) is internally provided with a hollow heat-conducting plate (5), the top of the hollow heat-conducting plate (5) is provided with two heat exchange tubes (6), one end of each heat exchange tube (6) penetrates through one side of the hollow heat-conducting plate (5) and is communicated with the interior of the hollow heat-conducting plate (5), the other end of each heat exchange tube (6) is fixedly provided with a connecting tube (7), the two ends of each connecting tube (7) are respectively communicated with the other ends of the two heat exchange tubes (6), the rear end of the furnace body (1) is fixedly provided with a fan (8), and the air inlet end of the fan (8) is fixedly provided with a flue gas inlet tube (9), one end of the flue gas inlet pipe (9) penetrates through the rear end of the furnace body (1) and is communicated with the interior of the combustion chamber (3), a flue gas return pipe (10) is fixedly arranged at the air outlet end of the fan (8), and one end of the flue gas return pipe (10) penetrates through the rear end of the furnace body (1) and is communicated with the interior of the ash storage chamber (4).
2. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: the ash storage cavity (4) is internally provided with a filter screen plate (11) at the top end, the filter screen plate (11) is arranged at the top of one end of a flue gas inlet pipe (9), a flue gas discharge pipe (12) is fixedly arranged at the top end of the furnace body (1), one end of the flue gas discharge pipe (12) penetrates through the top end of the furnace body (1) and is communicated with the inside of the combustion cavity (3), and the flue gas discharge pipe (12) is arranged at the top end of the filter screen plate (11).
3. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: a plurality of ash leakage holes (13) are formed in the top end of the combustion supporting plate (2), and the combustion cavity (3) is communicated with the interior of the ash storage cavity (4) through the ash leakage holes (13).
4. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: furnace body (1) one side is fixed and is equipped with inlet tube (14) and outlet pipe (15), inlet tube (14) top is established in outlet pipe (15), inlet tube (14) one end is passed furnace body (1) one side and hollow heat-conducting plate (5) opposite side and is linked together with hollow heat-conducting plate (5) are inside, outlet pipe (15) one end is passed furnace body (1) one side and connecting pipe (7) outer end and is linked together with connecting pipe (7) are inside.
5. A multi-firing high thermal efficiency biomass heating stove according to claim 4 characterised in that: the furnace body (1) one side is fixed and is equipped with intake pipe (16), intake pipe (16) are established in inlet tube (14) bottom, intake pipe (16) one end is passed furnace body (1) one side and is linked together with combustion chamber (3) inside.
6. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: furnace body (1) opposite side is fixed and is equipped with inlet pipe (17), inlet pipe (17) one side is passed furnace body (1) opposite side and is linked together with combustion chamber (3) inside, inlet pipe (17) are established between combustion backup pad (2) and hollow heat-conducting plate (5), inlet pipe (17) top outer end is fixed and is equipped with charging chute (18), charging chute (18) bottom is linked together with inlet pipe (17) inside, inlet pipe (17) other end is equipped with motor (19), inlet pipe (17) inside is equipped with hob (20), hob (20) one end pass the inlet pipe (17) other end and with the output shaft fixed connection of motor (19), be connected through the bearing rotation between hob (20) one end and inlet pipe (17) the other end.
7. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: both sides of the hollow heat-conducting plate (5) are fixedly provided with two supporting fixing blocks (21), and the outer sides of the supporting fixing blocks (21) are fixedly connected with the inner wall of the combustion chamber (3).
8. A multi-firing high thermal efficiency biomass heating stove according to claim 1 characterised in that: the furnace body (1) front end is equipped with sealing door (22), sealing door (22) are established in ash storage chamber (4) front side, be connected through the hinge between sealing door (22) one side and furnace body (1) opposite side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121558106.5U CN215675791U (en) | 2021-07-09 | 2021-07-09 | Multi-combustion high-heat-efficiency biomass heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121558106.5U CN215675791U (en) | 2021-07-09 | 2021-07-09 | Multi-combustion high-heat-efficiency biomass heating stove |
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| CN215675791U true CN215675791U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121558106.5U Active CN215675791U (en) | 2021-07-09 | 2021-07-09 | Multi-combustion high-heat-efficiency biomass heating stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838502A (en) * | 2022-05-23 | 2022-08-02 | 吉林建筑大学 | High-efficient automatic heating stove that power consumption is low |
-
2021
- 2021-07-09 CN CN202121558106.5U patent/CN215675791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838502A (en) * | 2022-05-23 | 2022-08-02 | 吉林建筑大学 | High-efficient automatic heating stove that power consumption is low |
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