CN109812836B - Biomass efficient integrated furnace and control method - Google Patents
Biomass efficient integrated furnace and control method Download PDFInfo
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- CN109812836B CN109812836B CN201910041422.6A CN201910041422A CN109812836B CN 109812836 B CN109812836 B CN 109812836B CN 201910041422 A CN201910041422 A CN 201910041422A CN 109812836 B CN109812836 B CN 109812836B
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Abstract
The invention discloses a biomass high-efficiency integrated furnace and a control method thereof, wherein the biomass high-efficiency integrated furnace comprises a base, a furnace wall shell is fixed at the top of the base, a hearth is arranged inside the furnace wall shell, a feed port is communicated with the side wall of the hearth, a furnace bridge is arranged on the hearth below the feed port, a round table top is supported and installed at the top of the furnace wall shell, an electric heating resistance wire is installed at the inner top of the hearth, and a filter screen is installed at the top of the electric heating resistance wire; and an ejector for introducing fuel gas is arranged on the side wall of the hearth and between the furnace bridge and the electric resistance wire. Compared with the traditional stove, the structure increases the secondary oxygen supply improvement, improves the combustion efficiency of the biomass fuel, has high energy utilization rate and protects the environment; the electric control module is added, so that the stove is more convenient, the stove is simple to use, has various functions and has good popularization prospect.
Description
Technical Field
The invention relates to a biomass high-efficiency integrated furnace, and belongs to the field of furnaces.
Background
At present, the stove is more and more widely used, not only can be used for heating through the stove, but also can be used for boiling water and cooking, and the daily life purpose is met. There are many kinds of stoves on the market, including stoves using biomass fuel as an energy source, stoves using electric energy as an energy source, and stoves using gas as an energy source, but basically, each kind of stove has a single energy source, and cannot satisfy wide life use.
Disclosure of Invention
The invention aims to overcome the simplification of energy utilization of a stove, and biomass energy and electric energy or fuel gas can be used for heating independently, and 3 kinds of energy can be used for heating in a mixed mode. Compared with the traditional stove, the structure increases the secondary oxygen supply improvement, improves the combustion efficiency of the biomass fuel, has high energy utilization rate and protects the environment; the electric control module is added, so that the stove is more convenient, the stove is simple to use, has various functions and has good popularization prospect.
In order to solve the technical problems, the invention provides the following technical scheme: a biomass high-efficiency integrated furnace comprises a base, wherein a furnace wall shell is fixed at the top of the base, a hearth is arranged inside the furnace wall shell, a feed port is communicated with the side wall of the hearth, a furnace bridge is arranged on the hearth below the feed port, the top of the furnace wall shell is supported and provided with a round table top, an electric heating resistance wire is arranged at the inner top of the hearth, and a filter screen is arranged at the top of the electric heating resistance wire; and an ejector for introducing fuel gas is arranged on the side wall of the hearth and between the furnace bridge and the electric resistance wire.
And a slag removing and drawing box is arranged at the bottom of the hearth and under the furnace bridge.
An air inlet pipeline is communicated with and mounted on the side wall of the bottom of the hearth, and a fan is mounted inside the air inlet pipeline.
An upper temperature sensor and a lower temperature sensor are sequentially arranged on the inner wall of the hearth along the height direction of the hearth from top to bottom; the middle part of the inner part of the pulse igniter is provided with the pulse igniter.
The top of the round table top is provided with an electric control module integrated switch, and the bottom of the round table top is provided with a gas monitoring sensor; and the electric control module integrated switch is connected with the electric heating resistance wire and controls the start and stop of the electric heating resistance wire.
Install the carousel between the top intermediate layer of round table face and oven shell, install supplementary electric heater unit on the carousel, supplementary electric heater unit includes the fan-shaped box body of polylith, the internally mounted of fan-shaped box body has electric heating coil, and it is articulated with the bottom of round table face through first round pin axle in the top one corner of fan-shaped box body, constitutes sliding fit through the straight line spout on second round pin axle and the carousel in the bottom one corner of fan-shaped box body, the bottom of carousel is fixed with rotates the handle, rotate the handle and cooperate at the arc wall shell top with processing.
A cavity is reserved between the hearth and the furnace wall shell, an upper annular air inlet and a lower annular air inlet are respectively formed above and below the hearth, and uniformly distributed air inlet grilles are arranged on the furnace wall shell.
The furnace bridge is divided into an upper layer and a lower layer, wherein the mesh of the furnace bridge at the upper layer is large, and the mesh of the furnace bridge at the lower layer is small.
The furnace wall is characterized in that an annular flue is formed by the hearth and a top cavity of the furnace wall shell, the annular flue is communicated with the hearth, a smoke tube is connected to the annular flue, and an oven is arranged in the smoke tube.
The control method of any biomass high-efficiency integrated furnace is characterized by comprising the following steps:
step 1: starting an electric control module integrated switch, and starting a heating resistance wire through the electric control module integrated switch; the electric heating resistance wire starts to work, the temperature measured by the upper temperature sensor gradually rises, and when the measured temperature reaches a set value a; the electric control module integrates a switch to control to open a gas valve, so that gas enters a hearth;
step 2: the fuel gas is mixed with air through the ejector and then is introduced; meanwhile, the pulse igniter starts to work to ignite the premixed gas; the upper temperature sensor measures that the temperature continues to rise, and when the temperature reaches b, the electric control module controls the center to automatically stop the electric heating resistance wire to work so as to save electric energy; after the fuel gas is continuously combusted for a certain time, the biomass fuel on the furnace bridge is ignited, and then the biomass fuel is combusted to supply heat;
step 3: when the biomass in the hearth is not ignited by the continuous combustion of the fuel gas, the temperature measured by the lower temperature sensor is lower, and the fan works at a high wind gear; when the biomass is ignited, the temperature measured by the lower temperature sensor continuously rises, and the wind power of the fan is changed into large, medium and small; when the temperature measured by the lower temperature sensor reaches c, the electric control module integrated switch cuts off the methane.
Step 4: when the biomass is continuously combusted and the material is gradually combusted, the temperature measured by the upper temperature sensor is gradually reduced to 500 ℃, and Step 1-2 is repeated, and meanwhile, the biomass material is manually supplemented from the feeding hole.
The invention has the following beneficial effects:
1. the biomass high-efficiency integrated furnace integrates solid and gas biomass combustion and electric energy heating devices, can adapt to alternative use of various energy sources such as biomass granular fuel, traditional firewood, methane, electric energy and the like, and can also use 3 energy sources for mixing and heating, thereby improving the utilization efficiency of the energy sources.
2. Through the stove of above-mentioned structure, the independent heating heats for the stove under the single energy, can the exclusive use biomass fuel, and the exclusive use electric energy also can the exclusive use gas. The electric heating module comprises two parts, one part is a main heating area and is an electric heating resistance wire surrounding a hearth; one is an auxiliary heating area which consists of a turntable and an auxiliary electric heating device, wherein the auxiliary electric heating device can be used independently, and the rotation and the retraction of the auxiliary electric heating device are changed by rotating the turntable clockwise and anticlockwise, so that the multipurpose in life is met.
3. Structurally, more traditional stove has increased the secondary oxygen suppliment measure, whole oven part divide into furnace and oven shell two parts, leave the cavity between furnace and oven shell, the annular inlet port has all been opened to furnace top and below, it has the air inlet grille to open in the middle of the oven shell, the air can enter into in the cavity through the air inlet grille on the oven shell, preheat with the contact of furnace wall, enter into the stove through the inlet port on the furnace, with the volatile mixed fuel of living beings formation in the combustion process, accomplish the secondary oxygen suppliment burning, make the burning more abundant, the fuel utilization rate is higher.
4. The gas-electricity dual-purpose multifunctional stove is independently heated by a single energy source, can independently use gas fuel and can also independently use electric energy. The electric heating module is divided into two parts, one is an electric heating pipe for heating, the electric heating pipes are uniformly arranged on the base at intervals of 90 degrees and close to the furnace wall, and the design ensures that the electric heating pipes are as close to a heater as possible, so that the heating effect is enhanced, the electric energy is saved, and the electric heating module can better keep mutual independence with a gas heating area without mutual interference; the other is a table top heating area which is heated by an electric heating plate through a gas-electric dual-purpose heating plate, and the heating area can be used independently and used for cooking food or heating a hot pot during dining, so that multiple purposes in life are met.
5. Biomass fuel burns on the grate, and the burning wastes material then drops in the slagging-off takes out the box, and the filter screen filters the combustible particulate matter of not complete combustion down, makes the more abundant burning of fuel, reaches pollution-free effect.
6. The annular flue is added into the stove, flue gas after combustion in the hearth enters the inner cavity of the flue through the four small square holes on the inner wall of the annular flue, the flue gas with heat can circularly emit heat in the flue for heating, and meanwhile, the oven is added at the smoke outlet, so that food can be heated and roasted by using the waste heat of the flue gas, and the utilization rate of energy is improved.
7. The bottom of the hearth can be supplied with air through the air inlet pipeline and the fan at the bottom, and therefore sufficient combustion of fuel is guaranteed.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a three-dimensional cross-sectional view of the present invention.
FIG. 2 is a first perspective overall profile three-dimensional view of the present invention.
Fig. 3 is a three-dimensional view of the auxiliary electric heating apparatus and the turntable of the present invention.
Fig. 4 is a top view of the auxiliary electric heating apparatus and the turntable of the present invention.
FIG. 5 is a three-dimensional view of the electrothermal resistor of the present invention.
Fig. 6 is a three-dimensional view of the turntable of the present invention.
Fig. 7 is a three-dimensional view of the auxiliary electric heating apparatus of the present invention.
FIG. 8 is a second perspective overall profile three-dimensional view of the present invention.
In the figure: the device comprises a base 1, a deslagging drawing box 2, a furnace wall shell 3, a feeding hole 4, an upper temperature sensor 5, an annular flue 6, a gas monitoring sensor 7, a round table top 8, an electronic control module integrated switch 9, a rotary table 10, a filter screen 11, an electric heating plate 12, a smoke tube 13, an oven 14, an electric heating resistance wire 15, an ejector 16, a pulse igniter 17, a hearth 18, a lower temperature sensor 19, a furnace bridge 20, a fan 21, an air inlet pipeline 22, an air inlet grille 23, a fan-shaped box body 24, an electric heating coil 25, a second pin shaft 26, a first pin shaft 27, a linear chute 28, an upper annular air inlet 29, a lower annular air inlet 30 and a rotating handle 31.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-8, a biomass high-efficiency integrated furnace comprises a base 1, wherein a furnace wall shell 3 is fixed at the top of the base 1, a furnace chamber 18 is arranged inside the furnace wall shell 3, a feed port 4 is communicated with the side wall of the furnace chamber 18, a furnace bridge 20 is arranged on the furnace chamber 18 below the feed port 4, a round table top 8 is supported and installed at the top of the furnace wall shell 3, an electric heating resistance wire 15 is installed at the inner top of the furnace chamber 18, and a filter screen 11 is installed at the top of the electric heating resistance wire; an ejector 16 for introducing fuel gas is arranged on the side wall of the hearth 18 and between the furnace bridge 20 and the electric heating resistance wire 15.
Furthermore, a deslagging drawing box 2 is arranged at the bottom of the hearth 18 and right below the furnace bridge 20. The burning waste falls in the deslagging drawing box 2, and the filter screen 11 filters the combustible particles which are not completely burned, so that the fuel is more fully burned, and the pollution-free effect is achieved.
Further, an air inlet duct 22 is installed on the bottom side wall of the hearth 18 in a communicating manner, and a fan 21 is installed inside the air inlet duct 22. The bottom of the furnace 18 can be supplied with air through the bottom intake duct 22 and the fan 21, thereby ensuring sufficient combustion of the fuel.
Further, an upper temperature sensor 5 and a lower temperature sensor 19 are sequentially arranged on the inner wall of the hearth 18 along the height direction of the hearth from top to bottom; a pulse igniter 17 is installed at the middle of the inside thereof. The temperature inside the hearth 18 can be accurately measured by the upper temperature sensor 5 and the lower temperature sensor 19, and then the heating mode can be changed or changed according to the requirement, and finally the optimal heating effect is achieved. Pulse ignition can be performed by the pulse igniter 17.
Further, an electric control module integrated switch 9 is installed at the top of the round table top 8, and a gas monitoring sensor 7 is installed at the bottom of the round table top 8; the electric control module integrated switch 9 is connected with the electric heating resistance wire 15 and controls the start and stop of the electric heating resistance wire. The gas monitoring sensor 7 can detect the concentration of the gas at any time and feed the concentration back to the control center of the electric control module, so that the stove is safer when in use.
Further, install carousel 10 between the top intermediate layer of round table face 8 and oven shell 3, install supplementary electric heater unit 12 on the carousel 10, supplementary electric heater unit 12 includes the fan-shaped box body 24 of polylith, the internally mounted of fan-shaped box body 24 has electric heating coil 25, and it is articulated with the bottom of round table face 8 through first round pin axle 27 in the top one corner of fan-shaped box body 24, and it constitutes sliding fit through second round pin axle 26 and the straight line spout 28 on the carousel 10 in the bottom one corner of fan-shaped box body 24, the bottom of carousel 10 is fixed with rotates handle 31, rotate handle 31 and the arc wall cooperation of processing at oven shell 3 top. The auxiliary electric heating can be performed by the auxiliary electric heating device 12 as described above, wherein the auxiliary electric heating can be used alone, and the rotation and retraction of the fan-shaped box body 24 can be changed by rotating the rotary plate 10 clockwise and counterclockwise, which satisfies the multi-purpose in life.
Through the structure, in the use process, the handle 31 is rotated through operation, the rotating handle 31 drives the rotating disc 10, the fan-shaped box body 24 is driven to rotate around the first pin shaft 27 through the linear sliding groove 28 on the rotating disc 10, and then the fan-shaped box body 24 is unfolded.
Furthermore, a cavity is reserved between the hearth 18 and the furnace wall shell 3, an upper annular air inlet 29 and a lower annular air inlet 30 are respectively arranged above and below the hearth 18, and the furnace wall shell 3 is provided with uniformly distributed air inlet grilles 23. Form the secondary oxygen suppliment through above-mentioned structure, it has the air-inlet grille to open in the middle of the oven shell 3 in the use, and the air can enter into the cavity through air-inlet grille 23 on the oven shell 3, preheats with 18 wall contacts of furnace, enters into the stove through the inlet port on 18 of furnace, with the volatile mixed fuel that living beings formed in the combustion process, accomplishes the secondary oxygen suppliment burning for the burning is more abundant, and fuel utilization is higher.
Further, the furnace bridge 20 is divided into an upper layer and a lower layer, wherein the mesh of the furnace bridge on the upper layer is large, and the mesh of the furnace bridge on the lower layer is small. Biomass fuel burns on the upper layer, and the small-particle biomass fuel which is not burnt completely can be burnt again on falling to the lower layer of furnace bridge through the mesh of the upper layer of furnace bridge, so that the fuel is burnt more sufficiently.
Further, the hearth 18 and the top cavity of the furnace wall shell 3 form an annular flue 6, the annular flue 6 is communicated with the hearth 18, the annular flue 6 is connected with a smoke tube 13, and an oven 14 is arranged inside the smoke tube 13. The flue gas after burning in the furnace 18 enters the flue inner cavity through four small square holes on the inner wall of the annular flue 6, the flue gas with heat can circularly emit heat in the flue for heating, and meanwhile, the oven 14 is arranged at the flue outlet, so that the food can be heated and roasted by utilizing the waste heat of the flue gas, and the utilization rate of energy is improved.
Further, the fuel gas is liquefied petroleum gas, natural gas or methane.
Example 2:
the control method of any one biomass high-efficiency integrated furnace comprises the following steps:
step 1: starting the electric control module integrated switch 9, and starting the electric resistance wire 15 through the electric control module integrated switch 9; the electric heating resistance wire 15 starts to work, the temperature measured by the upper temperature sensor 5 gradually rises, and when the measured temperature reaches a set value a; the electric control module integrated switch 9 controls to open a gas valve, so that gas enters the hearth 18;
step 2: the fuel gas is mixed with air through the ejector 16 and then is introduced; at the same time, the pulse igniter 17 starts to work to ignite the premixed gas; the temperature measured by the upper temperature sensor 5 continuously rises, and when the temperature reaches b, the electric control module control center automatically stops the work of the electric heating resistance wire 15 so as to save electric energy; after the fuel gas is continuously combusted for a certain time, the biomass fuel on the furnace bridge 20 is ignited, and then the biomass fuel is combusted to supply heat;
step 3: when the biomass in the hearth 18 is not ignited by the continuous combustion of the fuel gas, the temperature measured by the lower temperature sensor 19 is lower, and the fan 21 works at a high wind gear; when the biomass is ignited, the temperature measured by the lower temperature sensor 19 continuously rises, and the wind power of the fan is changed into large, medium and small; when the temperature measured by the lower temperature sensor 19 reaches c, the electric control module integrated switch 9 cuts off the methane.
Step 4: when the biomass is continuously combusted and the material is gradually combusted, the temperature measured by the upper temperature sensor 5 is gradually reduced to 500 ℃, and Step 1-2 is repeated, and meanwhile, the biomass material is artificially supplemented from the feeding hole 4.
Example 3:
the control method of any one biomass high-efficiency integrated furnace comprises the following steps:
step 1: the hybrid heating intelligent control is that the integrated switch 9 of the electric control module is turned on, the electric heating resistance wire 15 starts to work, the temperature measured by the upper temperature sensor 5 gradually rises, and when the measured temperature reaches 500 ℃, the control center of the electric control module opens a gas valve to enable methane to enter the hearth 18;
step 2: the biogas is mixed with air through the ejector 16 and then is introduced, and meanwhile, the pulse igniter 17 starts to work to ignite the premixed gas; the temperature measured by the upper temperature sensor 5 continuously rises, and when the temperature reaches 550 ℃, the electric control module control center automatically stops the work of the electric heating resistance wire 15 so as to save electric energy; the continuous combustion of the biogas will ignite the biomass energy on the grate 20;
step 3: when the biomass in the hearth 18 is not ignited by the continuous combustion of the biogas, the temperature measured by the lower temperature sensor 19 is lower, and the fan 21 works at a high wind gear; when the biomass is ignited, the temperature measured by the lower temperature sensor 19 continuously rises, and the wind power of the fan is changed into large, medium and small; when the temperature measured by the lower temperature sensor 19 reaches 600 ℃, the electric control module control center cuts off the biogas; the fan has the function of changing the air intake in the hearth according to different combustion conditions, so that biomass can be combusted more fully and efficiently.
Step 4: when the biomass is continuously combusted and the material is gradually combusted, the temperature measured by the upper temperature sensor 5 is gradually reduced to 500 ℃, the work of Step 1-Step 2 is repeated, and meanwhile, the biomass material is artificially supplemented from the feeding hole 4.
From the above description, those skilled in the art can make various changes and modifications within the scope of the technical idea of the present invention without departing from the scope of the invention. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (8)
1. The biomass efficient integrated furnace is characterized by comprising a base (1), wherein a furnace wall shell (3) is fixed at the top of the base (1), a furnace chamber (18) is arranged inside the furnace wall shell (3), a feed inlet (4) is communicated on the side wall of the furnace chamber (18), a furnace bridge (20) is arranged on the furnace chamber (18) below the feed inlet (4), a round table top (8) is supported and installed at the top of the furnace wall shell (3), an electric heating resistance wire (15) is installed at the inner top of the furnace chamber (18), and a filter screen (11) is installed at the top of the furnace chamber (18); an ejector (16) for introducing fuel gas is arranged on the side wall of the hearth (18) and between the furnace bridge (20) and the electric heating resistance wire (15);
a deslagging drawing box (2) is arranged at the bottom of the hearth (18) and right below the furnace bridge (20);
install carousel (10) between the top intermediate layer of round table face (8) and oven shell (3), install supplementary electric heater unit (12) on carousel (10), supplementary electric heater unit (12) include fan-shaped box body (24) of polylith, the internally mounted of fan-shaped box body (24) has electric heating coil pipe (25), and it is articulated with the bottom of round table face (8) through first round pin axle (27) in the top one corner of fan-shaped box body (24), and straight line spout (28) on second round pin axle (26) and carousel (10) constitute sliding fit in the bottom one corner of fan-shaped box body (24), the bottom of carousel (10) is fixed with rotates handle (31), it cooperatees with the arc wall of processing at oven shell (3) top to rotate handle (31).
2. The biomass efficient integrated furnace as claimed in claim 1, wherein: an air inlet pipeline (22) is communicated with and mounted on the side wall of the bottom of the hearth (18), and a fan (21) is mounted inside the air inlet pipeline (22).
3. The biomass efficient integrated furnace as claimed in claim 1, wherein: an upper temperature sensor (5) and a lower temperature sensor (19) are sequentially arranged on the inner wall of the hearth (18) along the height direction of the hearth from top to bottom; a pulse igniter (17) is arranged in the middle of the inner part of the shell.
4. The biomass efficient integrated furnace as claimed in claim 1, wherein: an electric control module integrated switch (9) is installed at the top of the round table top (8), and a gas monitoring sensor (7) is installed at the bottom of the round table top (8); and the electric control module integrated switch (9) is connected with the electric heating resistance wire (15) and controls the start and stop of the electric heating resistance wire.
5. The biomass efficient integrated furnace as claimed in claim 1, wherein: a cavity is reserved between the hearth (18) and the furnace wall shell (3), an upper annular air inlet (29) and a lower annular air inlet (30) are respectively arranged above and below the hearth (18), and an air inlet grille (23) is uniformly distributed on the furnace wall shell (3).
6. The biomass efficient integrated furnace as claimed in claim 1, wherein: the furnace bridge (20) is divided into an upper layer and a lower layer, wherein the mesh of the furnace bridge at the upper layer is large, and the mesh of the furnace bridge at the lower layer is small.
7. The biomass efficient integrated furnace as claimed in claim 1, wherein: the furnace wall is characterized in that an annular flue (6) is formed by the hearth (18) and a top cavity of the furnace wall shell (3), the annular flue (6) is communicated with the hearth (18), a smoke tube (13) is connected to the annular flue (6), and an oven (14) is arranged inside the smoke tube (13).
8. The control method of the biomass high-efficiency integrated furnace as recited in any one of claims 1 to 7, characterized in that:
step 1: starting an electric control module integrated switch (9), and starting a heating resistance wire (15) through the electric control module integrated switch (9); the electric heating resistance wire (15) starts to work, the temperature measured by the upper temperature sensor (5) gradually rises, and when the measured temperature reaches a set value a; an electric control module integrated switch (9) controls to open a gas valve to enable gas to enter a hearth (18);
step 2: the fuel gas is mixed with air through an ejector (16) and then is introduced; meanwhile, the pulse igniter (17) starts to work to ignite the premixed gas; the temperature measured by the upper temperature sensor (5) continuously rises, and when the temperature reaches b, the electric control module control center automatically stops the work of the electric heating resistance wire (15) so as to save electric energy; after the fuel gas is continuously combusted for a certain time, the biomass fuel on the furnace bridge (20) is ignited, and then the biomass fuel is combusted to supply heat;
step 3: when the biomass in the hearth (18) is not ignited by the continuous combustion of the fuel gas, the temperature measured by the lower temperature sensor (19) is lower, and the fan (21) works at a high wind gear; when the biomass is ignited, the temperature measured by the lower temperature sensor (19) continuously rises, and the wind power of the fan is changed into large, medium and small; when the temperature measured by the lower temperature sensor (19) reaches c, the electric control module integrated switch (9) cuts off the methane;
step 4: when the biomass is continuously combusted and the material is gradually combusted, the temperature measured by the upper temperature sensor (5) is gradually reduced to 500 ℃, and Step 1-2 is repeated, and meanwhile, the biomass material is manually supplemented from the feeding hole (4).
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| CN2209278Y (en) * | 1994-08-08 | 1995-10-04 | 苏松柏 | Multifunctional intensified vaporization combustion coal stove |
| GB2345956A (en) * | 1999-01-21 | 2000-07-26 | Windsor & Sons Ltd B | Artificial coal log gas fire |
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Effective date of registration: 20230417 Address after: 443500 Changyang Innovation Industrial Park (Kejiao Road), Yichang, Hubei Province Patentee after: CHANGYANG QINGJIANG MACHINERY MANUFACTURING CO.,LTD. Address before: 443002 No. 8, University Road, Xiling District, Yichang, Hubei Patentee before: CHINA THREE GORGES University |