CN118167988A - Multi-time combustion biomass heating stove - Google Patents
Multi-time combustion biomass heating stove Download PDFInfo
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- CN118167988A CN118167988A CN202410526984.0A CN202410526984A CN118167988A CN 118167988 A CN118167988 A CN 118167988A CN 202410526984 A CN202410526984 A CN 202410526984A CN 118167988 A CN118167988 A CN 118167988A
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- furnace body
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 239000002028 Biomass Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000000779 smoke Substances 0.000 claims abstract description 82
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 210000000476 body water Anatomy 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000000446 fuel Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 18
- 238000007599 discharging Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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Abstract
The invention relates to a multi-combustion biomass heating furnace, which comprises a furnace body (1), wherein a hearth (12) is arranged at the front part of the furnace body (1), a front vertical water jacket (19) positioned at the rear part of the hearth (12) is arranged in the furnace body (1), a front-combustion smoke outlet (20) is provided with a front-combustion conversion plate (2), a front air distribution pipe (3) is arranged at the rear part of the front vertical water jacket (19), a lower middle vertical water jacket (4) and an upper middle vertical water jacket (5) positioned at the rear part of the front vertical water jacket (19) are arranged in the furnace body (1), a rear air distribution pipe (6) is arranged at the rear part of a lower smoke outlet (30), a fire control plate (7) is arranged on the lower smoke outlet (30), a rear vertical water jacket (8) positioned at the rear part of the upper middle vertical water jacket (5) and the lower middle vertical water jacket (4) is arranged in the furnace body (1), and a smoke outlet (23) is arranged at the upper part of the rear wall of the furnace body (1). The fuel has the advantages of higher heat efficiency, full fuel combustion, energy conservation, no environmental pollution, easy ignition, low smoke discharge temperature, better use effect, energy conservation and environmental protection.
Description
Technical Field
The invention relates to a heating device, in particular to a biomass heating furnace capable of burning multiple times.
Background
The fuel of the conventional heating furnace is mainly combusted in the combustion chamber, smoke dust formed after combustion is directly discharged out of the furnace body through a relatively short stroke, the discharged smoke dust often contains a certain amount of combustible gas, the smoke discharging temperature is relatively high, and the heating furnace has insufficient heat efficiency, is energy-saving and pollutes the environment. Although heating furnaces which can increase smoke return to reduce the exhaust temperature have also been studied, only the exhaust temperature can be reduced, the burnout rate of fuel cannot be increased, and energy saving and pollution reduction cannot be achieved. Because the smoke dust has a large number of return strokes and long distance, the smoke dust can not be discharged out of the furnace body rapidly, and the problems of difficult ignition and smoke return exist.
Disclosure of Invention
The invention aims to provide a multi-combustion biomass heating furnace which has the advantages of full fuel combustion, energy conservation, no environmental pollution, low smoke discharging temperature and easy ignition.
The technical scheme of the invention is as follows: the boiler comprises a boiler body with water jackets on the top wall and the peripheral side walls, a boiler body top wall above the boiler body is provided with a boiler mouth, a fire grate is arranged below the boiler body, an ash receiving drawer is arranged below the fire grate, a front vertical water jacket behind the boiler body is arranged in the boiler body, the left side and the right side of the front vertical water jacket are respectively communicated with the left side wall water jacket and the right side wall water jacket of the boiler body, the upper side of the front vertical water jacket is spaced from the top wall of the boiler body to form a forward burning smoke outlet, the lower side of the front vertical water jacket is spaced from the fire grate to form a reverse burning smoke outlet, a forward burning conversion plate hinged to the boiler body is arranged on the forward burning smoke outlet, a hinged shaft at one end of the forward burning conversion plate extends to the outside of the boiler body, a front air distribution pipe with one end extending to the outside of the boiler body is arranged behind the front vertical water jacket, a lower middle vertical water jacket and upper middle vertical water jacket which is spaced from the front to the rear of the front vertical water jacket is arranged in the boiler body, the lower edge of the lower middle vertical water jacket is connected with the bottom wall of the furnace body, the left side and the right side of the lower middle vertical water jacket are respectively communicated with the left side wall water jacket and the right side wall water jacket of the furnace body, the lower edge of the upper middle vertical water jacket is separated from the upper edge of the lower middle vertical water jacket to form a lower smoke outlet, the upper edge of the upper middle vertical water jacket is separated from the top wall of the furnace body to form an upper smoke outlet, a rear air distribution pipe with one end extending outside the furnace body is arranged behind the lower smoke outlet, a fire control plate hinged on the furnace body is arranged on the lower smoke outlet, a control rod is arranged outside the furnace body along a hinge shaft at one end of the fire control plate, a rear vertical water jacket is arranged inside the furnace body, is positioned behind the upper middle vertical water jacket and the lower middle vertical water jacket and is separated from the front side and the rear side of the rear wall of the furnace body, the upper side and the left side and the right side of the rear vertical water jacket are respectively communicated with the top wall of the furnace body and the left side wall water jackets, the lower edge of the rear vertical water jacket is spaced from the upper and lower parts of the bottom wall of the furnace body to form a rear lower smoke outlet, and the upper part of the rear wall of the furnace body is provided with a smoke outlet.
The invention has the technical effects that: the fuel has the advantages of higher heat efficiency, full fuel combustion, energy conservation, no environmental pollution, easy ignition, low smoke discharge temperature, better use effect, energy conservation and environmental protection. The device can make the smoke and dust burn in the process of discharging the smoke and dust from the furnace body at high temperature for many times, so that the combustible components in the smoke and dust are burnt out, thereby improving the furnace temperature and the thermal efficiency of the boiler and reducing the emission of pollutants. The return stroke of smoke dust in the furnace body is increased, so that the furnace body absorbs more heat, the smoke exhaust temperature is reduced, dust can be settled, and the discharge of the dust is reduced. The smoke and dust can be discharged out of the furnace body rapidly when the heating furnace is ignited, so that the ignition is easier, and the problem that the multi-return heating furnace is not easy to ignite and smoke is reversed is solved.
Drawings
Fig. 1 is a side perspective structural view of an embodiment of the present invention.
Detailed Description
As shown in figure 1, the furnace comprises a furnace body 1 with a water jacket 11 respectively arranged on the top wall and the peripheral side walls, a furnace chamber 12 is arranged at the front part of the furnace body 1, a boiler mouth 14 is arranged on the furnace body top wall 13 above the furnace chamber 12, a fire grate 15 is arranged below the furnace chamber 12, an ash receiving drawer 16 is arranged below the fire grate 15, a furnace mouth 17 and an air distribution mouth 18 are sequentially arranged on the front wall of the furnace body 1 from the fire grate 15 upwards, a front vertical water jacket 19 positioned behind the furnace chamber 12 is arranged in the furnace body 1, the left side and the right side of the front vertical water jacket 19 are respectively communicated with the water jackets 11 on the left side and the right side of the furnace body 1, the upper side of the front vertical water jacket 19 and the furnace body top wall 13 are separated to form a normal combustion smoke outlet 20, the lower side and the fire grate 15 are separated to form a reverse combustion smoke outlet 21, a normal combustion conversion plate 2 hinged on the furnace body 1 is arranged on the normal combustion smoke outlet 20, a hinge shaft at one end of the normal combustion conversion plate 2 extends to the furnace body 1, a front air distribution pipe 3 with one end extending to the outside of the furnace body 1 is arranged at the rear of the front vertical water jacket 19, a lower middle vertical water jacket 4 and an upper middle vertical water jacket 5 which are arranged at the rear of the front vertical water jacket 19 and are spaced from the front and the rear of the front vertical water jacket are arranged in the furnace body 1, the lower edge of the lower middle vertical water jacket 4 is connected with the bottom wall of the furnace body 1, the left side and the right side of the lower middle vertical water jacket 4 are respectively communicated with the left side wall water jacket 11 and the right side wall water jacket 11 of the furnace body 1, the lower edge of the upper middle vertical water jacket 5 is spaced from the upper edge of the lower middle vertical water jacket 4 to form a lower smoke outlet 30, an upper smoke outlet 40 is formed at the interval from the upper edge of the lower middle vertical water jacket 4, a rear air distribution pipe 6 with one end extending to the outside of the furnace body 1 is arranged at the rear of the lower smoke outlet 30, a fire control plate 7 hinged on the furnace body 1 is arranged on the lower smoke outlet 30, a hinge shaft at one end of the fire control plate 7 is externally provided with a control rod 71 along the periphery extending to the furnace body 1, a rear vertical water jacket 8 is arranged in the furnace body 1, is positioned behind the upper middle vertical water jacket 5 and the lower middle vertical water jacket 4 and is spaced front and back from the rear wall of the furnace body 1, the upper side and the left and the right sides of the rear vertical water jacket 8 are respectively communicated with the furnace body top wall 13 and the left and the right side wall water jackets 11, the lower edge of the rear vertical water jacket 8 is spaced up and down from the bottom wall of the furnace body 1 to form a rear lower smoke outlet 22, and the upper part of the rear wall of the furnace body 1 is provided with a smoke outlet 23.
A plurality of heat exchange water pipes 9 are respectively arranged in front of the upper middle vertical water jacket 5, between the upper middle vertical water jacket 5 and the furnace top wall 13, between the upper middle vertical water jacket 5 and the rear vertical water jacket 8 and between the rear vertical water jacket 8 and the rear wall of the furnace body 1 in the furnace body 1, and the left and right ends of each heat exchange water pipe 9 are respectively communicated with the left and right side wall water jackets 11 of the furnace body 1.
An adjustable air distribution door 24 is arranged on the air distribution opening 18 on the front wall of the furnace body 1.
One end of the front air distribution pipe 3 is connected with the inner wall of one side of the furnace body 1, the other end extends out of the side wall of the opposite side furnace body 1 and is provided with an air regulating door I31, and the pipe wall of the front air distribution pipe 3 is provided with a plurality of air distribution holes. The arrangement of the front air distribution pipe 3 enables a high-temperature combustion area to be formed behind the front vertical water jacket 19 during back combustion so as to improve the combustion effect of smoke dust.
One end of the rear air distribution pipe 6 is connected with the inner wall of one side of the furnace body 1, the other end extends out of the side wall of the opposite side furnace body 1 and is provided with a second air regulating door 61, and a plurality of air distribution holes are formed in the pipe wall of the rear air distribution pipe 6. The arrangement of the rear air distribution pipe 6 enables the rear part of the lower smoke outlet 30 to form a high-temperature combustion zone so as to improve the combustion effect of smoke dust.
Refractory and heat-insulating layers 25 are respectively arranged on the left and right inner walls of the furnace body 1 behind the lower smoke outlet 30, the front side wall of the rear vertical water jacket 8, the upper and lower middle vertical water jackets 4 and the rear side wall of the upper and middle vertical water jackets 5, and under the air distribution effect of the rear air distribution pipe 6, a high-temperature combustion area is formed behind the lower smoke outlet 30 so as to increase the burnout rate of smoke dust.
The front side wall of the rear vertical water jacket 8 is provided with an air deflector 26 positioned above the fire-resistant heat insulation layer 25, the upper edge of the air deflector 26 is inclined upwards and backwards, the lower edge of the air deflector 26 is inclined downwards and forwards, the upper edge of the air deflector 26 is connected with the front side wall of the rear vertical water jacket 8, and the left and right edges of the air deflector are respectively connected with the left and right inner walls of the furnace body 1, so that the air deflector plays a role in guiding smoke dust passing from top to bottom.
Ash removing openings 27 are respectively arranged on the furnace body top wall 13 above the upper smoke removing opening 40 and the furnace body top wall 13 between the rear vertical water jacket 8 and the rear wall of the furnace body 1, and ash removing doors 28 matched with the ash removing openings 27 are respectively arranged on each ash removing opening 27.
The top wall of the rear part of the furnace body 1 is provided with a water outlet pipe joint 29 communicated with the furnace body water jacket 11, and the lower part of the side wall is provided with a water return pipe joint 32 communicated with the furnace body water jacket 11.
One end of the control handle 211 of the forward/reverse burning conversion plate 2 is fixedly connected with the hinge shaft along the radial direction of the hinge shaft of the forward/reverse burning conversion plate 2.
One end of a control rod 71 of the fire control plate 7 is fixedly connected with the hinge shaft along the radial direction of the hinge shaft of the fire control plate 7, an opening control device consisting of an opening rod 72 and a limiting ring 73 is arranged between the other end of the control rod 71 and the furnace body 1, one end of the opening rod 72 is hinged with the end of the control rod 71, the other end of the opening rod 72 extends towards the front side of the furnace body 1 and is provided with a handle 74, a plurality of limiting grooves 75 are formed in the side wall of the opening rod 72 facing downwards along the extending direction of the opening rod 72, and the limiting ring 73 is fixed on the side wall outside the furnace body 1 and is matched with the opening rod 72 in a sleeved mode. The opening rod 72 is lapped on the limiting ring 73 under the action of gravity, and a limiting groove 75 at a proper position on the opening rod is matched with the limiting ring 73 to limit and lock the opening of the fire control plate 7.
The top wall of the stove body 1, which is provided with a stove opening 14, is lower than the rear top wall of the stove body, and the top of the stove body 1 is in a stepped shape with a lower front part and a higher rear part.
The rear of the fire grate 15 is provided with a sloping plate 33 with a low front edge and a high rear edge, the front edge of the sloping plate 33 is obliquely connected with the rear edge of the fire grate 15 downwards, the left and right edges are respectively connected with the inner wall of the furnace body 1, and the rear edge is obliquely connected with the lower middle vertical water jacket 4 upwards, so that the smoke and fire can be guided.
The use principle is as follows:
The fuel fed into the furnace 12 from the burner 14 or the burner 17 is burned on the grate 15, and the fuel is mixed with the air supplied into the furnace 12 from the air supply port 18 for the first time. The forward and reverse burning conversion plate 2 is opened during forward burning, so that the fire goes upwards and smoke and dust are discharged out of the hearth 12 from the forward burning smoke outlet 20. The front-back burning conversion plate 2 is closed for heating, smoke and fire are discharged out of the hearth 12 from the back burning smoke outlet 21 downwards and mixed with air distribution of the front air distribution pipe 3 to burn behind the front vertical water jacket 19. During forward burning or reverse burning, most smoke passes through the upper smoke outlet 40 upwards and then downwards through the high-temperature combustion area behind the lower smoke outlet 30, and a small part of smoke directly enters the high-temperature combustion area through the lower smoke outlet 30, and is mixed with air distribution of the rear air distribution pipe 6 for combustion in the high-temperature combustion area, and the formed smoke passes through the rear lower smoke outlet 22 downwards and finally is discharged out of the furnace body 1 through the smoke outlet 23.
During ignition, the lower smoke outlet 30 is opened to the maximum by the fire control plate 7, so that smoke dust directly passes through the lower smoke outlet 30 and the rear lower smoke outlet 22 to improve the rear smoke temperature, and the smoke dust is smoothly discharged out of the furnace body 1. When the fuel in the hearth 12 burns normally, the opening of the lower smoke outlet 30 is reduced upwards by the front-back adjusting opening rod 72, so that the firepower of the high-temperature combustion area is adjusted. After a small part of fire passes through the lower smoke outlet 30, a high-temperature combustion area is formed under the air distribution effect of the rear air distribution pipe 6, so that most of smoke passing through the upper smoke outlet 40 passes through the high-temperature combustion area again, the smoke is combusted more fully, and combustible gas in the smoke is combusted completely and then discharged out of the furnace body 1, so that the utilization rate of fuel is improved.
Claims (10)
1. The utility model provides a multiple combustion living beings heating stove, it includes roof and furnace body (1) that are equipped with water jacket (11) on the lateral wall all around respectively, the front portion of furnace body (1) is equipped with furnace (12), be equipped with pot stove mouth (14) on furnace body roof (13) of furnace (12) top, furnace (12) below is equipped with grate (15), the below of grate (15) is equipped with grey drawer (16), upward be equipped with fire mouth (17) and air distribution mouth (18) from grate (15) on the front wall of furnace body (1), be equipped with in furnace body (1) and be located the preceding perpendicular water jacket (19) of furnace (12) rear, the left and right sides of preceding perpendicular water jacket (19) are linked together with furnace body (1) left and right sides lateral wall water jacket (11) respectively, the top of preceding perpendicular water jacket (19) and furnace body roof (13) alternate formation are just burn exhaust port (20), be equipped with on the positive and are equipped with on the furnace body (20) alternate formation anti-fire exhaust port (21), just burn conversion board (2) on the front and back are equipped with on the furnace body (1), the hinge of conversion board (2) one end is equipped with in front and back conversion board (2) and back and is equipped with the hinge (211) that is located outside to control handle (1), characterized in that: a front air distribution pipe (3) with one end extending to the outside of the furnace body (1) is arranged at the rear of the front vertical water jacket (19), a lower middle vertical water jacket (4) and an upper middle vertical water jacket (5) which are arranged at the rear of the front vertical water jacket (19) and are spaced from the front and the rear of the furnace body, the lower edge of the lower middle vertical water jacket (4) is connected with the bottom wall of the furnace body (1), the left side and the right side of the upper middle vertical water jacket (5) are respectively communicated with the left side wall water jacket (11) and the right side wall water jacket (11) of the furnace body (1), the lower edge of the upper middle vertical water jacket (5) is respectively communicated with the upper edge of the lower middle vertical water jacket (4) to form a lower smoke outlet (30), the upper edge and the upper smoke outlet (40) are formed at intervals, the rear of the lower smoke outlet (30) is provided with a rear air pipe (6) with one end extending to the outside of the furnace body (1), the lower smoke outlet (30) is provided with a control plate (7) hinged on the left side wall water jacket (11) of the furnace body (1), the control plate (7) is arranged at intervals on the lower smoke outlet (30) and is arranged at the rear of the lower smoke outlet (30) and is spaced from the upper end of the furnace body (1) to the upper flame outlet (8) and is arranged in the rear of the furnace body (1) and is spaced from the front (8), the upper side and the left side and the right side of the rear vertical water jacket (8) are respectively communicated with the furnace body top wall (13) and the left side wall water jacket (11), the lower side of the rear vertical water jacket (8) is separated from the upper side and the lower side of the bottom wall of the furnace body (1) to form a rear lower smoke outlet (22), and the upper part of the rear wall of the furnace body (1) is provided with a smoke outlet (23).
2. The multi-combustion biomass heating furnace as claimed in claim 1, wherein a plurality of heat exchange water pipes (9) are respectively arranged in front of the upper middle vertical water jacket (5), between the upper middle vertical water jacket (5) and the furnace top wall (13), between the upper middle vertical water jacket (5) and the rear vertical water jacket (8) and between the rear vertical water jacket (8) and the rear wall of the furnace body (1), and the left end and the right end of each heat exchange water pipe (9) are respectively communicated with the left side wall water jacket (11) and the right side wall water jacket (11) of the furnace body (1).
3. The multi-combustion biomass heating furnace as claimed in claim 1, characterized in that an adjustable air distribution door (24) is arranged on an air distribution opening (18) on the front wall of the furnace body (1).
4. The multi-time combustion biomass heating furnace as claimed in claim 1, wherein one end of the front air distribution pipe (3) is connected with the inner wall of one side of the furnace body (1), the other end of the front air distribution pipe extends out of the side wall of the opposite side furnace body (1) and is provided with a first air distribution door (31), and a plurality of air distribution holes are formed in the pipe wall of the front air distribution pipe (3).
5. The multi-time combustion biomass heating furnace as claimed in claim 1, wherein one end of the rear air distribution pipe (6) is connected with the inner wall of one side of the furnace body (1), the other end of the rear air distribution pipe extends out of the side wall of the opposite side furnace body (1) and is provided with a second air distribution door (61), and a plurality of air distribution holes are formed in the pipe wall of the rear air distribution pipe (6).
6. The multi-combustion biomass heating furnace as claimed in claim 1, wherein refractory heat insulation layers (25) are respectively arranged on the left and right inner walls of the furnace body (1) behind the lower smoke outlet (30), the front side wall of the rear vertical water jacket (8), the lower middle vertical water jacket (4) and the rear side wall of the upper middle vertical water jacket (5).
7. The multi-combustion biomass heating furnace as claimed in claim 6, wherein the front side wall of the rear vertical water jacket (8) is provided with an air deflector (26) positioned above the fire-resistant heat insulation layer (25), the upper edge of the air deflector (26) is inclined backwards and upwards, the lower edge of the air deflector is inclined forwards and downwards, the upper edge of the air deflector (26) is connected with the front side wall of the rear vertical water jacket (8), and the left side and the right side of the air deflector are respectively connected with the left inner wall and the right inner wall of the furnace body (1).
8. The multi-combustion biomass heating furnace as claimed in claim 1, wherein ash removal openings (27) are respectively arranged on a furnace body top wall (13) above the upper smoke removal opening (40) and a furnace body top wall (13) between the rear vertical water jacket (8) and the rear wall of the furnace body (1), ash removal doors (28) matched with the ash removal openings (27) are respectively arranged on each ash removal opening (27), a water outlet pipe joint (29) communicated with the furnace body water jacket (11) is arranged on the top wall at the rear part of the furnace body (1), and a water return pipe joint (32) communicated with the furnace body water jacket (11) is arranged at the lower part of the side wall.
9. The multi-combustion biomass heating furnace as claimed in claim 1, wherein one end of a control rod (71) of the fire control plate (7) is fixedly connected with the hinge shaft along the radial direction of the hinge shaft of the fire control plate (7), an opening control device consisting of an opening rod (72) and a limiting ring (73) is arranged between the other end of the control rod (71) and the furnace body (1), one end of the opening rod (72) is hinged with the end of the control rod (71), the other end of the opening rod (72) extends towards the front side of the furnace body (1) and is provided with a handle (74), a plurality of limiting grooves (75) are formed in the downward side wall of the opening rod (72) along the extending direction of the opening rod (72), and the limiting ring (73) is fixed on the outer side wall of the furnace body (1) and is matched with the opening rod (72) in a sleeved mode.
10. The multi-combustion biomass heating furnace as claimed in claim 1, wherein an inclined plate (33) with a low front side and a high rear side is arranged at the rear of the fire grate (15), the front side of the inclined plate (33) is connected with the rear side of the fire grate (15) obliquely downwards, the left side and the right side are respectively connected with the inner wall of the furnace body (1), and the rear side is connected with the lower middle vertical water jacket (4) obliquely upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410526984.0A CN118167988A (en) | 2024-04-29 | 2024-04-29 | Multi-time combustion biomass heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410526984.0A CN118167988A (en) | 2024-04-29 | 2024-04-29 | Multi-time combustion biomass heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118167988A true CN118167988A (en) | 2024-06-11 |
Family
ID=91350644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410526984.0A Pending CN118167988A (en) | 2024-04-29 | 2024-04-29 | Multi-time combustion biomass heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118167988A (en) |
-
2024
- 2024-04-29 CN CN202410526984.0A patent/CN118167988A/en active Pending
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