CN212901468U - Layer fires sectional type biomass boiler - Google Patents
Layer fires sectional type biomass boiler Download PDFInfo
- Publication number
- CN212901468U CN212901468U CN202021522100.8U CN202021522100U CN212901468U CN 212901468 U CN212901468 U CN 212901468U CN 202021522100 U CN202021522100 U CN 202021522100U CN 212901468 U CN212901468 U CN 212901468U
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- communicated
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- box
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- 239000002028 Biomass Substances 0.000 title claims abstract description 86
- 239000000446 fuel Substances 0.000 claims abstract description 85
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model discloses a layer fires sectional type biomass boiler, include: the biomass fuel bin is used for storing biomass fuel; the fuel preheating box is communicated with the biomass fuel bin to receive the biomass fuel conveyed by the biomass fuel bin, a first conveying belt is arranged in the fuel preheating box, and the biomass fuel is conveyed into the combustion box through the first conveying belt; the combustion tank is communicated with the fuel preheating tank to receive the biomass fuel conveyed by the fuel preheating tank; the heat exchange pipe is fixedly arranged in the combustion box to absorb heat; the dust remover is communicated with the smoke outlet of the combustion box to receive smoke dust; the chimney is communicated with the dust remover to discharge the treated smoke dust into the atmosphere; and the communicating pipe is communicated between the fuel preheating tank and the combustion tank. Layer fires sectional type biomass boiler makes biomass fuel's burning more abundant, has reduced the emission of waste gas.
Description
Technical Field
The utility model relates to a biomass fuel boiler technical field, concretely relates to layer fires sectional type biomass boiler.
Background
The biomass boiler is a kind of boiler, the boiler using biomass energy as fuel is called as biomass boiler, the conventional biomass boiler includes feeding system, combustion system and smoke wind system, the feeding system transmits biomass fuel to the combustion system, the biomass fuel is combusted in the combustion system and exchanges heat, the generated smoke is discharged into atmosphere after being processed by the smoke wind system, and the slag of a small amount of biomass fuel after being combusted is collected.
However, in the actual use process of the existing biomass boiler, fuel combustion is insufficient, so that a large amount of biomass fuel waste residues and harmful gases are generated.
For example, the patent application document with the Chinese utility model patent application number of CN201720229831.5 discloses an energy-saving biomass boiler, which comprises a biomass boiler main body (1), wherein the interior of the biomass boiler main body (1) is divided into a waste heat recovery cavity (2), a combustion cavity (3) and a storage cavity (4), the waste heat recovery cavity (2) and the storage cavity (4) are respectively arranged at two sides of the combustion cavity (3), one side of the combustion cavity (3) is provided with a first smoke outlet (5) and a secondary air inlet (6), the first smoke outlet (5) and the secondary air inlet (6) are respectively arranged at the upper end and the lower end of one side of the combustion cavity (3), one side of the combustion cavity (3) opposite to the secondary air inlet (6) is provided with a feed inlet (7) and an air inlet (8), the upper part of the storage cavity (4) is provided with a stock bin (9), the middle part of the storage cavity (4) is provided with an L-shaped feed passage (10), the one end of L type feedstock channel (10) with feed inlet (7) intercommunication, the other end and feed bin (9) lower part intercommunication of L type feedstock channel (10), L type feedstock channel (10) with be equipped with feeding screw rod (11) and turbine gear motor (12) in the one end of feed bin (9) intercommunication, the one end of feeding screw rod (11) with turbine gear motor (12) are connected, be equipped with heat exchanger (13) in waste heat recovery chamber (2), be equipped with first cigarette passageway (14) and second cigarette passageway (15) in heat exchanger (13), the one end of first cigarette passageway (14) with first cigarette mouth (5) intercommunication, the other end of first cigarette passageway (14) with second cigarette passageway (15) intercommunication.
The prior art discloses an energy-saving biomass boiler, and in the practical application process, the technical problems as described above exist.
Based on the above-mentioned technical problem that prior art exists, the utility model provides a layer fires sectional type biomass boiler.
SUMMERY OF THE UTILITY MODEL
The utility model provides a layer fires sectional type biomass boiler makes the burning of biomass fuel in the combustion box more abundant through the mode of burning many times.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a layer-fired, staged biomass boiler comprising:
the biomass fuel bin is used for storing biomass fuel;
the fuel preheating box is communicated with the biomass fuel bin to receive the biomass fuel conveyed by the biomass fuel bin, a first conveying belt is arranged in the fuel preheating box, and the biomass fuel is conveyed into the combustion box through the first conveying belt;
the combustion tank is communicated with the fuel preheating tank to receive the biomass fuel conveyed by the fuel preheating tank;
the heat exchange pipe is fixedly arranged in the combustion box to absorb heat;
the dust remover is communicated with the smoke outlet of the combustion box to receive smoke dust;
the chimney is communicated with the dust remover to discharge the treated smoke dust into the atmosphere;
and the communicating pipe is communicated between the fuel preheating tank and the combustion tank.
Further, the bottom end of the biomass fuel bin is communicated with a screw conveyor, and the screw conveyor is communicated with the fuel preheating box.
Furthermore, a fire grate is arranged at the bottom of the combustion box, a plurality of air inlet pipes are arranged at the bottom end of the fire grate, an included angle between the discharge surface of the fire grate and the horizontal direction is 10 degrees, the front end of the fire grate is communicated with the conveying end of the first conveying belt to receive the biomass fuel, the rear end of the fire grate is communicated with the slag remover to discharge slag, and the heat exchange pipe is arranged above the fire grate.
Further, the bottom end of the heat exchange tube is sequentially provided with a first concave portion, a second concave portion and a third concave portion, the first concave portion is higher than the second concave portion, and the second concave portion is higher than the third concave portion.
Furthermore, a first induced draft fan is arranged on the chimney.
Further, the dust remover comprises a multi-pipe dust remover and a bag-type dust remover communicated with the multi-pipe dust remover, the multi-pipe dust remover is communicated with the smoke outlet of the combustion box, and the bag-type dust remover is communicated with the chimney.
Furthermore, a second induced draft fan is arranged on the communicating pipe.
Further, a water-cooling sleeve is further sleeved on the spiral conveyor and communicated with a cooling water circulator.
Furthermore, the top end of the combustion box is communicated with a heat exchange box, and the top end of the heat exchange box is communicated with the smoke outlet.
Furthermore, a second heat exchange tube is fixedly arranged in the heat exchange box and communicated with the heat exchange tube.
Compared with the prior art, the utility model discloses a superior effect lies in:
layer fire sectional type biomass boiler, through the cooperation setting of fuel preheating cabinet, burning box, heat exchange tube, first interior recess, the interior recess of second, the interior recess of third and communicating pipe, make biomass fuel's burning more abundant, reduced the emission of waste gas.
Drawings
FIG. 1 is a schematic structural view of a grate-fired staged biomass boiler in an embodiment of the invention;
FIG. 2 is a schematic structural view of a slag remover according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dust collector in an embodiment of the present invention.
In the figure: 1-biomass fuel bin, 11-screw conveyor, 111-water cooling sleeve, 2-fuel preheating box, 21-first conveying belt, 3-combustion box, 31-fire grate, 32-air inlet pipe, 33-slag remover, 331-double-roller slag breaker, 332-spiral slag remover, 34-heat exchange box, 4-heat exchange pipe, 41-first inner concave part, 42-second inner concave part, 43-third inner concave part, 44-second heat exchange pipe, 5-dust remover, 51-multi-pipe dust remover, 52-bag dust remover, 6-chimney, 61-first induced draft fan, 7-communicating pipe, 71-second induced draft fan.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Example 1
As shown in fig. 1, a layer combustion sectional type biomass boiler includes:
the biomass fuel bin 1 is used for storing biomass fuel;
the fuel preheating box 2 is communicated with the biomass fuel bin 1 to receive the biomass fuel conveyed by the biomass fuel bin 1, a first conveying belt 21 is arranged in the fuel preheating box 2, and the biomass fuel is conveyed into the combustion box 3 through the first conveying belt 21;
the combustion box 3 is communicated with the fuel preheating box 2 to receive the biomass fuel conveyed by the fuel preheating box 2;
the heat exchange pipe 4 is fixedly arranged in the combustion box 3 to absorb heat;
the dust remover 5 is communicated with the smoke outlet of the combustion box 3 to receive smoke dust;
a chimney 6 which is communicated with the dust remover 5 to discharge the treated smoke into the atmosphere;
and a communicating pipe 7 communicating between the fuel preheating tank 2 and the combustion tank 3.
The bottom end of the biomass fuel bin 1 is communicated with a screw conveyor 11, the screw conveyor 11 is communicated with the fuel preheating box 2, and the biomass fuel in the biomass fuel bin 1 is conveyed to the fuel preheating box 2 through the screw conveyor 11. The biomass fuel combustion device is characterized in that a grate 31 is arranged at the bottom of the combustion box 3, a plurality of air inlet pipes 32 are arranged at the bottom end of the grate 31, an included angle between a discharge surface of the grate 31 and the horizontal direction is 10 degrees, the front end of the grate 31 is communicated with the conveying end of the first conveying belt 21 to receive the biomass fuel, the rear end of the grate 31 is communicated with the slag remover 33 to discharge slag, the heat exchange pipe 4 is arranged above the grate 31, the grate 31 adopts a chain belt type grate, as shown in fig. 2, the slag remover 33 comprises a double-roller type slag breaker 331 and a spiral slag remover 332, and the biomass fuel after combustion firstly passes through the double-roller type slag breaker 331 to be crushed and then is conveyed out of the combustion box through the spiral slag remover 332.
In order to facilitate the maintenance of the equipment and observe the fire, the combustion box 3 is also provided with a maintenance port (not shown) and an observation port (not shown).
The bottom of heat exchange tube 4 is equipped with first interior recess 41, the interior recess 42 of second and the interior recess 43 of third in proper order, first interior recess 41 is higher than interior recess 42 of second, the interior recess 42 of second is higher than interior recess 43 of third, first interior recess 41 the interior recess 42 of second with interior recess 43 of third all establishes the top of grate 31 the biomass fuel of burning is in on the grate 31 first interior recess 41 the interior recess 42 of second with the below of the interior recess 43 of third forms three combustion area, and it is right to make biomass fuel's heat utilization more abundant.
In this embodiment, at least three air inlet pipes 32 are provided, and the three air inlet pipes 32 are respectively located right below the first concave portion 41, the second concave portion 42 and the third concave portion 43 to supply oxygen to the three combustion areas to support combustion. And a first induced draft fan 61 is arranged on the chimney 6, and the smoke is discharged in a mechanical pumping mode in order to facilitate the discharge of the smoke.
As shown in fig. 3, the dust collector 5 includes a multi-duct dust collector 51 and a bag-type dust collector 52 communicated with the multi-duct dust collector 51, the multi-duct dust collector 51 is communicated with the flue gas outlet of the combustion box 3, and the bag-type dust collector 52 is communicated with the chimney 6.
Be equipped with second draught fan 71 on communicating pipe 7, second draught fan 71 be used for with the flue gas that has heat in the combustion box 3 is carried extremely in the fuel preheating cabinet 2 in order to preheat biomass fuel makes biomass fuel changes the burning.
The spiral conveyer 11 is further sleeved with a water cooling sleeve 111, the water cooling sleeve 111 is communicated with a cooling water circulator (not shown in the figure), in the actual application process, the ignition point of the biomass fuel is relatively low, the biomass fuel is prone to pre-combustion in the fuel preheating box 2, and in order to prevent the biomass fuel in the spiral conveyer 11 and the biomass fuel bin 1 from being ignited, the biomass fuel in the spiral conveyer 11 is cooled.
The top end of the combustion box 3 is communicated with a heat exchange box 34, the burnt high-temperature flue gas is gathered in the heat exchange box 34, and the top end of the heat exchange box 34 is communicated with the flue gas outlet.
The heat exchange box 34 is internally and fixedly provided with a second heat exchange tube 44, the second heat exchange tube 44 is communicated with the heat exchange tube 4, the second heat exchange tube 44 is used for absorbing heat of high-temperature flue gas in the heat exchange box 34, the high-temperature flue gas contains a large amount of carbon monoxide generated by incomplete combustion, the carbon monoxide is combusted again in the heat exchange box 34 due to high temperature, a heat exchange medium is filled in the heat exchange tube 4, and the heat exchange medium is circulated through a circulating pump to heat water in the water tank.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A layer combustion sectional type biomass boiler, characterized by comprising:
the biomass fuel bin is used for storing biomass fuel;
the fuel preheating box is communicated with the biomass fuel bin to receive the biomass fuel conveyed by the biomass fuel bin, a first conveying belt is arranged in the fuel preheating box, and the biomass fuel is conveyed into the combustion box through the first conveying belt;
the combustion tank is communicated with the fuel preheating tank to receive the biomass fuel conveyed by the fuel preheating tank;
the heat exchange pipe is fixedly arranged in the combustion box to absorb heat;
the dust remover is communicated with the smoke outlet of the combustion box to receive smoke dust;
the chimney is communicated with the dust remover to discharge the treated smoke dust into the atmosphere;
and the communicating pipe is communicated between the fuel preheating tank and the combustion tank.
2. The grate-fired segmented biomass boiler of claim 1, wherein the bottom end of the biomass bunker is communicated with a screw conveyor, and the screw conveyor is communicated with the fuel preheating tank.
3. The grate-fired segmented biomass boiler according to claim 2, wherein a grate is arranged at the bottom of the combustion box, a plurality of air inlet pipes are arranged at the bottom end of the grate, an included angle between the discharge surface of the grate and the horizontal direction is 10 degrees, the front end of the grate is communicated with the conveying end of the first conveying belt to receive the biomass fuel, the rear end of the grate is communicated with a slag remover to discharge slag, and the heat exchange pipe is arranged above the grate.
4. The grate-fired segmented biomass boiler of claim 3, wherein the bottom end of the heat exchange tube is provided with a first inner recess, a second inner recess and a third inner recess in this order, the first inner recess being higher than the second inner recess, the second inner recess being higher than the third inner recess.
5. The grate-fired segmented biomass boiler of claim 1, wherein a first induced draft fan is provided on the chimney.
6. The grate-fired segmented biomass boiler of claim 1, wherein the dust collector comprises a multi-tube dust collector and a bag-type dust collector communicated with the multi-tube dust collector, the multi-tube dust collector is communicated with the flue gas outlet of the combustion box, and the bag-type dust collector is communicated with the chimney.
7. The grate-fired segmented biomass boiler of claim 1, wherein a second induced draft fan is arranged on the communicating pipe.
8. The grate-fired segmented biomass boiler according to claim 2, wherein a water-cooled sleeve is further sleeved on the screw conveyor, and the water-cooled sleeve is communicated with a cooling water circulator.
9. The grate-fired biomass boiler of claim 4, wherein the top end of the combustion box is communicated with a heat exchange box, and the top end of the heat exchange box is communicated with the flue gas outlet.
10. The grate-fired segmented biomass boiler of claim 9, wherein a second heat exchange tube is fixedly arranged in the heat exchange box and is communicated with the heat exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522100.8U CN212901468U (en) | 2020-07-29 | 2020-07-29 | Layer fires sectional type biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522100.8U CN212901468U (en) | 2020-07-29 | 2020-07-29 | Layer fires sectional type biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212901468U true CN212901468U (en) | 2021-04-06 |
Family
ID=75231501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021522100.8U Active CN212901468U (en) | 2020-07-29 | 2020-07-29 | Layer fires sectional type biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212901468U (en) |
-
2020
- 2020-07-29 CN CN202021522100.8U patent/CN212901468U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A layer burning sectional biomass boiler Effective date of registration: 20220928 Granted publication date: 20210406 Pledgee: Baotou Wenhua Road Sub branch of Bank of Inner Mongolia Co.,Ltd. Pledgor: Inner Mongolia Shuangling Boiler Manufacturing Co.,Ltd. Registration number: Y2022150000107 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231211 Granted publication date: 20210406 Pledgee: Baotou Wenhua Road Sub branch of Bank of Inner Mongolia Co.,Ltd. Pledgor: Inner Mongolia Shuangling Boiler Manufacturing Co.,Ltd. Registration number: Y2022150000107 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |