CN211176891U - Biomass particle heating furnace - Google Patents
Biomass particle heating furnace Download PDFInfo
- Publication number
- CN211176891U CN211176891U CN201922303337.0U CN201922303337U CN211176891U CN 211176891 U CN211176891 U CN 211176891U CN 201922303337 U CN201922303337 U CN 201922303337U CN 211176891 U CN211176891 U CN 211176891U
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- China
- Prior art keywords
- smoke exhaust
- exhaust pipe
- chamber
- auger
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002028 Biomass Substances 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 239000002245 particle Substances 0.000 title claims abstract description 31
- 239000000779 smoke Substances 0.000 claims abstract description 72
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 239000008188 pellet Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims 3
- 238000005496 tempering Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 229920002456 HOTAIR Polymers 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 238000004642 transportation engineering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 240000005781 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- 240000001548 Camellia japonica Species 0.000 description 1
- 208000001408 Carbon Monoxide Poisoning Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 210000003660 Reticulum Anatomy 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000018597 common camellia Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000005824 corn Nutrition 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model relates to a heating device, in particular to a biomass particle heating furnace. A smoke chamber, a cavity and a fan chamber are arranged in a shell, the top wall of a hearth is connected with an upper smoke exhaust pipe, the upper smoke exhaust pipe is introduced into the smoke chamber, the smoke chamber is also connected with a lower smoke exhaust pipe, and the lower ends of the smoke chamber are connected together and then connected with a smoke exhaust fan; the feeding device is Z-shaped and comprises an upper horizontal packing auger, an inclined section and a lower horizontal packing auger, wherein the length of the upper horizontal packing auger is smaller than that of the lower horizontal packing auger. The utility model has the advantages that the smoke with a large amount of heat can stay in the cavity for a long time through the arrangement of the upper smoke exhaust pipe and the lower smoke exhaust pipe, thereby improving the heat utilization rate and saving the energy; feeding device sets up to the Z type, and it is fast just not have the propulsion speed of horizontal auger down to go up the propulsion speed of horizontal auger, can form the dead section in horizontal auger down, like this, when turning off the power, can prevent to produce the tempering, has eliminated the potential safety hazard, uses safelyr.
Description
Technical Field
The utility model relates to a heating device, in particular to a biomass particle heating furnace.
Background
In the northern winter, the house is extremely cold, and heating equipment is necessary for families. With the development of science and technology, although a plurality of places, particularly cities and towns, have centralized heating, but a certain part of regions, particularly rural areas, are limited by various conditions, lack of a centralized heating foundation and cannot realize centralized heating, people still use the traditional coal-fired mode, which is generally called as local heating, to heat water in a pipeline by burning lump coal or honeycomb briquette, and then transmit heat generated by hot water to each room through the pipeline, but carbon monoxide is generated by burning coal, and carbon monoxide poisoning is easily caused if the coal is not well treated when a furnace is sealed at night; meanwhile, carbon monoxide generated by coal combustion is discharged into the atmosphere, causing environmental pollution.
The biomass granular fuel is a massive environment-friendly new energy source produced by processing straws, rice hulls, peanut shells, corncobs, oil-tea camellia shells, cottonseed hulls and the like and three residues, the product form is granules with the diameter of 6-10 mm, and the calorific value of the biomass granular fuel is generally 16.9 megajoules according to the Swedish standard requirement. Compared with the traditional fuel, the biomass granular fuel has economic advantages and environmental protection benefits, and completely meets the requirements of sustainable development, (1) because the biomass granular fuel is granular, the size is compressed, the storage space can be saved, the transportation is convenient, the transportation cost is reduced, (2) the biomass granular fuel has high combustion benefit, is easy to burn out, has less residual carbon, has high volatile content, low ignition point and easy ignition compared with coal, has improved density and large energy density, greatly prolongs the combustion duration, and can be directly applied to a coal-fired boiler, (3) during combustion, the produced harmful gas has extremely low component content, the discharged harmful gas is less, and the biomass granular fuel has environmental protection benefits, (4) ash after combustion can also be directly used as a potassium fertilizer, and the expenditure is saved.
The biomass particle heating furnace solves the problems of environmental pollution and insecurity of rural coal heating and the problem that the corn straw cannot be treated, and achieves two purposes at one stroke. Based on the development of biomass fuel technology and clean heating situation, the biomass pellet fuel heating furnace is produced at the same time, and the air heating type heating furnace directly transfers combustion heat energy to indoor air through exquisite design, so that the biomass pellet fuel heating furnace has great advantages compared with air conditioner and the conventional coal-fired heating furnace, namely (1) compared with the regular shape of the coal-fired biomass pellet fuel, automatic control can be realized, and (2) compared with the clean and sanitary appearance of the coal-fired biomass pellet fuel, the biomass pellet fuel heating furnace is suitable for household; (3) compare the burning of real fire of air conditioner living beings granule heating stove, a part of heat passes through glass radiation heat dissipation, the body feels comfortable, the atmosphere is good, (4) compare the inside heat exchanger core temperature of air conditioner heating stove high (can reach 200 degrees centigrade), the heating effect does not receive the influence of the abominable operating mode of low temperature in winter, can also be high to indoor air supply blower core temperature (can reach 200 degrees centigrade), the heating effect does not receive the influence of the abominable operating mode of low temperature in winter, can also carry out pasteurization to indoor air supply, (5) compare the air conditioner, the heating stove draught fan has the function of taking a breath, can continuously supply indoor fresh air.
The existing furnaces based on biomass particle fuel for heating have a plurality of products, but the basic structures of the heating furnaces are mostly-caused, the heating furnaces are provided with a shell, the front surface of the shell is recessed inwards to form a hearth, a combustion chamber is arranged in the center of the hearth, a plurality of smoke exhaust pipes are arranged in the shell, inlets of the smoke exhaust pipes are arranged on the side wall of the hearth, smoke with heat generated by biomass particle combustion is directly drawn away along the smoke exhaust pipes, the smoke exhaust pipes are low in heat utilization rate, when the smoke passes through the smoke exhaust pipes, the smoke exhaust pipes heat indoor air flows through a metal cavity to be heated through an air supply fan, and finally hot air is sent out through an air supply opening to achieve the purpose of indoor heating, however, the heating furnaces also have the defects that 1) smoke with heat is directly discharged away through the smoke exhaust pipes, the heat cannot be fully utilized, the utilization rate is low and needs to be further improved, 2) a biomass particle conveying part is connected with an inclined blanking cylinder at the lower end of the blanking cylinder, then the blanking cylinder is connected with a horizontal cylinder, the blanking cylinder is conveyed into the hearth, a switch is arranged between the blanking funnel and the hopper, the blanking cylinder is controlled by a motor, the switch is controlled by the motor, so that the biomass particle discharge mechanism is opened, when the biomass particle discharge hopper, the biomass particle discharge mechanism is opened, the biomass particle discharge mechanism, the biomass particle discharge hopper is not controlled by the biomass particle discharge hopper, and the biomass particle discharge hopper, the biomass particle discharge hopper is controlled by the biomass particle discharge hopper, and the biomass particle discharge hopper, and the biomass particle discharge hopper is not to enter the biomass.
Disclosure of Invention
The utility model provides a biomass particle heating furnace which is safe and has high heat dissipation efficiency, in order to make up the defects of the prior art.
The utility model discloses a realize through following technical scheme:
a biomass particle heating furnace comprises a shell, a smoke exhaust fan, a combustion fan and a P L C control device, wherein the front surface of the shell is recessed inwards to form a hearth, the rear wall of the hearth is provided with a combustion chamber with a suspended lower part, the rear part of the shell is provided with a hopper, the lower end of the hopper is connected with a feeding device, the feeding device is introduced into the combustion chamber, and the biomass particle heating furnace is characterized in that a cavity is arranged in the shell, a smoke chamber is arranged above the cavity, a fan chamber is arranged below the cavity, the top wall of the hearth is upwards connected with an upper smoke exhaust pipe, the upper smoke exhaust pipe is introduced into the smoke chamber, a plurality of lower smoke exhaust pipes are arranged in the cavity beside the hearth, the upper smoke exhaust pipes are introduced into the smoke chamber, the lower ends of the lower smoke exhaust pipes are connected;
feeding device is Z shape, including last horizontal auger, slope section and lower horizontal auger, the export of lower horizontal auger is located the combustion chamber back wall, the length of going up horizontal auger is less than the length of lower horizontal auger.
The combustion-supporting fan is positioned at the lower part of the rear part of the shell.
The hopper is fixedly provided with a vertical mounting plate, a discharging motor is mounted on the mounting plate, the output end of the discharging motor is provided with a driving gear, the outer end of the upper horizontal auger is provided with an upper gear, the outer end of the lower horizontal auger is provided with a lower gear, and the driving gear, the upper gear and the lower gear are connected through a chain transmission.
The diameter of the lower gear is smaller than that of the upper gear.
The upper smoke exhaust pipe and the lower smoke exhaust pipe are respectively provided with six, wherein the six lower smoke exhaust pipes are respectively arranged on two sides of the hearth, and each side is provided with three smoke exhaust pipes.
The utility model has the advantages that:
the utility model has the advantages that the arrangement of the upper smoke exhaust pipe and the lower smoke exhaust pipe ensures that the smoke with a large amount of heat can stay in the cavity for a long time, so that the heat of the smoke can be effectively utilized as much as possible, the heat utilization rate is improved, and the energy is saved; in addition, material feeding unit sets up to the Z type to the length of upper and lower horizontal auger is different, the rotational speed is different (upper and lower gear diameter is different), and like this, the propulsion speed of upper horizontal auger just does not have the propulsion speed of lower horizontal auger fast, can form the vacant section in lower horizontal auger, like this, when turning off the power, can prevent to produce the tempering, has eliminated the potential safety hazard, uses safelyr.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of the structure of the present invention (without the outer shell);
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic left-side view of the present invention (without the housing);
fig. 4 is a structural view of a portion of the mounting plate in the direction B in fig. 3.
In the figure, 1 shell, 2 hearth, 3 combustion chamber, 4 smoke chamber, 5 cavity, 6 fan chamber, 7 hopper, 8 upper horizontal auger, 81 upper gear, 9 inclined section, 10 lower horizontal auger, 101 lower gear, 11 mounting plate, 12 blanking motor, 121 driving gear, 13 chain, 14 combustion fan, 15 combustion air inlet, 16 smoke exhaust fan, 17 upper smoke exhaust pipe, 18 lower smoke exhaust pipe and 19 air outlet.
Detailed Description
The attached drawings are specific embodiments of the present invention, as shown in fig. 1 to 4, the whole system of the biomass particle heating furnace is controlled by a P L C control system, and comprises a shell with an aesthetic function, a shell 1, a hopper 7, a smoke exhaust fan 16, a combustion fan 14 and a P L C control device, wherein the shell is internally provided with the shell 1, the shell 1 is formed by welding steel plates, the shell 1 is internally divided into three parts, namely a smoke exhaust chamber 4, a cavity 5 and a fan chamber 6 from top to bottom, the cavity 5 is a main part and is larger, the smoke exhaust chamber 4 is a smoke channel, so the smoke exhaust fan is smaller, the fan chamber 6 is a place for placing the smoke exhaust fan 16, so the smoke exhaust fan is designed according to the size of the smoke exhaust fan 16 and is not larger than the cavity 5, the front wall of the cavity 5 is recessed inwards to form a hearth 2, a suspended combustion chamber 3 is installed on the rear wall in the hearth 2, the top wall of the hearth 2 is communicated with the smoke exhaust chamber 4 through six rows of the smoke exhaust pipes 17, the cavities 5 on both sides of the hearth 2 are respectively provided with three lower exhaust pipes 18, the lower exhaust pipe of the hearth 2, the lower exhaust pipe is connected with a lower exhaust pipe 19 connected with a lower exhaust pipe of a lower exhaust fan 16, and connected with a lower exhaust pipe 19 of the lower exhaust.
The combustion fan 14 is located at the lower part of the rear wall of the shell 1, above the fan chamber 6 and below the blanking device, the outlet pipe of the combustion fan 14 extends into the cavity 5 and is divided into two parts, one part of the outlet faces the combustion air inlet 15, the combustion air inlet 15 is located on the rear wall of the hearth 2 below the combustion chamber 3, and the other part of the outlet faces the air supply outlet 19 between the smoke chamber 4 and the hearth 2, and the hot air in the cavity 5 is conveyed to the belt chamber (the part is the prior art and is not described again).
The hopper 7 is positioned behind the shell 1, the lower end of the hopper 7 is connected with an upper horizontal auger 8 in the front-back direction, the front end of the upper horizontal auger 8 is connected with an inclined section 9, the lower end of the inclined section 9 is connected with a lower horizontal auger 10, the upper horizontal auger 8, the inclined section 9 and the lower horizontal auger 10 are Z-shaped, the front end of the lower horizontal auger 10 passes through the cavity 5 and then the outlet of the lower horizontal auger is positioned on the rear wall of the combustion chamber 3, the lower horizontal auger 10 is fixedly connected with the shell 1, namely welded together, the hopper 7, the upper horizontal auger 8, the inclined section 9 and the lower horizontal auger 10 are integrally welded together, the length of the lower horizontal auger 10 is obviously longer than that of the upper horizontal auger 8, a vertical mounting plate 11 is arranged on the hopper 7, the mounting plate 11 is in the left-right direction, the mounting plate 11 is positioned at the rear side of the hopper 7, the rear ends of the upper horizontal auger 8 and the lower horizontal auger 10 pass through the mounting plate 11, an upper gear 81 is fixedly arranged at the rear end part of the upper horizontal packing auger 8, a lower gear 101 is fixedly arranged at the rear end part of the lower horizontal packing auger 10, a blanking motor 12 is fixedly arranged at the front side of the mounting plate 11, the output end of the blanking motor 12 penetrates through the mounting plate 11 backwards and is fixedly provided with a driving gear 121, the upper gear 81 and the lower gear 101 are positioned in the same plane and are distributed in a triangular shape, the driving gear, the upper gear and the lower gear are in transmission linkage through a chain 13, so that the driving gear, the blanking motor and the upper gear rotate synchronously, the diameter of the lower gear 101 is smaller than that of the upper gear 81 and is about 0.8-0.9 of the diameter of the upper gear 81, and the rotating.
The working process is that under the control of a P L C control system, the blanking motor 12 is started intermittently, namely, the blanking motor 12 runs for a period of time, stops for a period of time, then runs for a period of time, and stops for a period of time, because the lower horizontal auger 10 is long and has a slightly high rotating speed, an empty section is formed in the lower horizontal auger 10, namely, biomass particles are discontinuous in the lower horizontal auger 10, and an inclined section does not store materials, so that the blanking motor 12 is started at intervals to convey the biomass particles into the combustion chamber 3, meanwhile, the smoke exhaust fan 16 exhausts smoke with a large amount of heat generated by the combustion chamber 3 along the upper smoke exhaust pipe 17, the smoke exhaust chamber 4 and the lower smoke exhaust pipe 18, in the exhausting process, the upper smoke exhaust pipe 17 and the lower smoke exhaust pipe 18 are heated, the upper smoke exhaust pipe 17 and the lower smoke exhaust pipe 18 emit heat to heat air in the cavity 5, and meanwhile, the combustion fan 14 supplies air into the combustion chamber 3, and supplies heat to the air outlet 19 and heats the interior of the combustion chamber.
When the work is stopped, the smoke exhaust fan 16 has a time delay function under the control of a P L C control system, can work for about 10 seconds again in a time delay mode, the power is increased, a large amount of air enters a hearth, and the open fire in the combustion chamber 3 is blown out, so the backfire can be prevented, after flameout, if the outlet of the lower horizontal auger 10 can be ensured to be a hollow section, the open fire in the combustion chamber can not ignite biomass particles in the lower horizontal auger 10, if the outlet of the lower horizontal auger is not the hollow section, the solid section of the biomass particles is provided, but the hollow section exists between the hollow section and the next solid section, so even if the backfire occurs, only the solid section at the outlet can be ignited, the next solid section can not be ignited, and even if the inclined section is also the hollow section, the backfire can be prevented no matter whether the outlet of the lower horizontal auger 10 is left or not.
Other technical features than those described in the specification are known to those skilled in the art.
Claims (5)
1. A biomass particle heating furnace comprises a shell (1), a smoke exhaust fan (16), a combustion fan (14) and a P L C control device, wherein the front surface of the shell (1) is recessed inwards to form a hearth (2), the rear wall of the hearth (2) is provided with a combustion chamber (3) with a suspended lower part, the rear part of the shell (1) is provided with a hopper (7), the lower end of the hopper (7) is connected with a feeding device, the feeding device is introduced into the combustion chamber (3), the biomass particle heating furnace is characterized in that a cavity (5) is arranged in the shell (1), a smoke exhaust chamber (4) is arranged above the cavity (5), a fan chamber (6) is arranged below the cavity (5), the top wall of the hearth (2) is upwards connected with an upper smoke exhaust pipe (17), the upper smoke exhaust pipe (17) is introduced into the smoke exhaust chamber (4), a plurality of lower smoke exhaust pipes (18) are arranged in the cavity (5) beside the hearth (2), the upper end of the lower smoke exhaust pipe (18) is introduced into the smoke exhaust chamber (4), the lower smoke exhaust pipe (16) is connected together and then connected;
material feeding unit is Z shape, including last horizontal auger (8), slope section (9) and lower horizontal auger (10), the export of lower horizontal auger (10) is located combustion chamber (3) back wall, the length of going up horizontal auger (8) is less than the length of lower horizontal auger (10).
2. Biomass pellet heating furnace according to claim 1, characterised in that the combustion fan (14) is located in the lower rear part of the housing (1).
3. The biomass particle heating furnace as claimed in claim 1, wherein a vertical mounting plate (11) is fixedly arranged on the hopper (7), a blanking motor (12) is arranged on the mounting plate (11), the output end of the blanking motor (12) is provided with a driving gear (121), the outer end of the upper horizontal packing auger (8) is provided with an upper gear (81), the outer end of the lower horizontal packing auger (10) is provided with a lower gear (101), and the driving gear (121), the upper gear (81) and the lower gear (101) are in transmission linkage through a chain (13).
4. Biomass particle heating stove according to claim 3, characterized in that the lower gear (101) has a smaller diameter than the upper gear (81).
5. Biomass pellet heating furnace as claimed in claim 1, characterised in that said upper fume discharge duct (17) and lower fume discharge duct (18) each have six, of which six lower fume discharge ducts (18) are arranged on both sides of the furnace (2), three on each side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303337.0U CN211176891U (en) | 2019-12-20 | 2019-12-20 | Biomass particle heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303337.0U CN211176891U (en) | 2019-12-20 | 2019-12-20 | Biomass particle heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211176891U true CN211176891U (en) | 2020-08-04 |
Family
ID=71827259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922303337.0U Expired - Fee Related CN211176891U (en) | 2019-12-20 | 2019-12-20 | Biomass particle heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211176891U (en) |
-
2019
- 2019-12-20 CN CN201922303337.0U patent/CN211176891U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211220 |