CN216141495U - Gasification furnace using biomass as raw material - Google Patents
Gasification furnace using biomass as raw material Download PDFInfo
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- CN216141495U CN216141495U CN202121559586.7U CN202121559586U CN216141495U CN 216141495 U CN216141495 U CN 216141495U CN 202121559586 U CN202121559586 U CN 202121559586U CN 216141495 U CN216141495 U CN 216141495U
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- furnace
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- raw material
- furnace body
- cover body
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- 239000002028 Biomass Substances 0.000 title claims abstract description 39
- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 238000002309 gasification Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000003610 charcoal Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000000197 pyrolysis Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a gasification furnace using biomass as a raw material, which belongs to the field of biomass utilization and comprises a furnace body, wherein a feed inlet is formed in the upper end of the furnace body; the lower end of the furnace body is open, a furnace screen is arranged at the open position, the lower part of the furnace body extends into the cover body from the upper end of the cover body, a gas outlet is formed in the cover body, and a carbon outlet is formed in the lower end of the cover body; the stirring shaft is arranged in the furnace body, the material pulling rod is arranged on the stirring shaft, the stirring shaft is in transmission connection with the stirring motor, a vertical shaft is further arranged in the furnace body, the stirring rod is arranged on the side wall of the vertical shaft, a communicated flow channel is arranged in the vertical shaft and the stirring rod, the flow channel is communicated with one end of the circulating water pipe, and the other end of the circulating water pipe extends out of the furnace body. The utility model aims to provide a gasification furnace using biomass as a raw material, which can flexibly adjust the temperature in the gasification furnace.
Description
Technical Field
The utility model relates to the field of biomass utilization, in particular to a gasification furnace taking biomass as a raw material.
Background
The biomass raw material mainly refers to organisms such as straws, wood chips and the like. The biomass raw material is pyrolyzed under the condition of complete or partial oxygen deficiency to obtain a large amount of combustible gas, active carbon (namely biomass carbon) and extracting solution. The combustible gas can be used as clean energy; the activated carbon has high carbon content and developed pore structure, can maintain nutrients and moisture, and is an ideal soil conditioner or air purifying agent and the like; the extract can be used for preparing disinfectant and deodorant in livestock places, or used for producing leaf fertilizer or carbon-based compound fertilizer raw materials for promoting crop growth.
In order to pyrolyze the biomass raw material, the biomass raw material may be charged into a gasification furnace, but the ratio of activated carbon to combustible gas may vary depending on the temperature of the product produced during the biomass reaction. In order to meet market demands, the temperature in the gasifier needs to be flexibly adjusted.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and an object of the present invention is to provide a gasification furnace using biomass as a raw material, which can flexibly adjust the temperature in the gasification furnace.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a gasification furnace using biomass as a raw material comprises a furnace body, wherein a feed inlet is formed in the upper end of the furnace body, the biomass raw material enters the furnace body from the feed inlet, and the biomass raw material is mixed with a catalyst and then is subjected to a pyrolysis reaction in the furnace body; the lower end of the furnace body is open, a furnace screen is arranged at the open position, and particles such as activated carbon and the like generated after pyrolysis fall into the cover body from screen holes on the furnace screen; the lower part of the furnace body extends into the cover body from the upper end of the cover body, a gas outlet is arranged on the cover body, and a carbon outlet is arranged at the lower end of the cover body; the stirring shaft is arranged in the furnace body, the material pulling rod is arranged on the stirring shaft, the stirring shaft is in transmission connection with the stirring motor, a vertical shaft is further arranged in the furnace body, a stirring rod is arranged on the side wall of the vertical shaft and is arranged along the vertical direction in an array mode, a flow channel communicated with the vertical shaft is arranged in the vertical shaft and the stirring rod, the flow channel is communicated with one end of the circulating water pipe, the other end of the circulating water pipe extends out of the furnace body, and the temperature of liquid entering the circulating water pipe is controlled, so that the temperature in the furnace body is adjusted.
Furthermore, in order to enable particles such as activated carbon to smoothly fall into the cover body from the furnace screen, relative rotation is generated between the furnace screen and the stirring rod.
Furthermore, in order to drive the furnace screen to rotate, a circle of transmission gear concentric with the furnace screen is arranged on the furnace screen, the transmission gear is meshed with the driving gear, and the driving gear is arranged on an output shaft of a furnace screen driving motor.
Furthermore, for the material falls out from the cover body, rather than stopping in the cover body bottom, be provided with on the cover body diapire and pull out the charcoal scraper blade, it sets up on scraper blade driving motor's output shaft to pull out the charcoal scraper blade.
Furthermore, in order to automatically convey away particles such as activated carbon, the lower end of the carbon outlet is connected with the feed end of the conveying mechanism through a discharge pipe.
Furthermore, in order to reduce the phenomena of dust overflow and the like generated in the transportation process, the conveying mechanism adopts a packing auger conveyor.
The beneficial effect of this application: the circulating water pipe sends the liquid into the vertical shaft and the stirring rod, and the temperature of the liquid entering the vertical shaft and the stirring rod can be flexibly adjusted by adjusting the temperature of the liquid; meanwhile, in the rotation process of the furnace screen, the stirring rod and the material generate relative motion, so that the material can fall into the cover body from the furnace screen more smoothly.
Drawings
FIG. 1 is a side view of the present application.
The text labels in the figures are represented as: 1. a furnace body; 2. a feed inlet; 3. furnace screening; 301. a transmission gear; 4. a cover body; 5. a gas outlet; 6. a charcoal outlet; 7. a stirring shaft; 8. pulling the material rod; 9. a stirring motor; 10. a vertical shaft; 11. a stirring rod; 12. a circulating water pipe; 13. a driving gear; 14. a furnace screen drive motor; 15. a carbon drawing scraper plate; 16. a squeegee drive motor; 17. a discharge pipe; 18. a conveying mechanism.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
In embodiment 1, as shown in fig. 1, the specific structure of this embodiment is a gasification furnace using biomass as a raw material, which includes a furnace body 1 and a cover body 4 coaxially arranged, the outer diameter of the furnace body 1 is smaller than the inner diameter of the cover body 4, and a feed inlet 2 is arranged at the upper end of the furnace body 1; the lower end of the furnace body 1 is open, a furnace screen 3 is arranged at the open position, the furnace screen 3 seals the open position at the lower end of the furnace body 1, screen holes are arranged at intervals on the furnace screen 3, the lower part of the furnace body 1 extends into the cover body 4 from the upper end of the cover body 4, the connection position of the furnace body 1 and the cover body 4 is sealed in a welding mode and the like, a gas outlet 5 is arranged at the upper part of the side wall of the cover body 4, a carbon outlet 6 is arranged on the bottom wall of the cover body 4, and the carbon outlet 6 is positioned at one side of the axis of the cover body 4; the improved stirring furnace is characterized in that a stirring shaft 7 is arranged in the furnace body 1, the stirring shaft 7 and the furnace body 1 are coaxially arranged, the upper end of the stirring shaft 7 extends out of the furnace body 1 and is in transmission connection with a stirring motor 9 outside the furnace body 1, a material pulling rod 8 is arranged on the lower portion of the side wall of the stirring shaft 7, the material pulling rod 8 is transversely arranged, a vertical shaft 10 coaxial with the stirring shaft 7 is further arranged in the furnace body 1, the lower end of the vertical shaft 10 is connected with a cross beam, the cross beam is fixedly arranged in the cover, a plurality of stirring rods 11 are arranged on the side wall of the vertical shaft 10 along the vertical direction in an array mode, the stirring rods 11 are transversely arranged, a communicated flow channel is arranged in each of the vertical shaft 10 and the stirring rods 11, the outlet of the flow channel formed in the upper end face of the vertical shaft 10 is communicated with one end of a circulating water pipe 12, and the other end of the circulating water pipe 12 extends out of the furnace body 1 and is connected with a water source through a connecting pipe.
The concrete during operation: the biomass raw material is added into the furnace body 1, the material pulling rod 8 levels and compacts the biomass raw material, and the biomass raw material can be divided into a drying layer, a pyrolysis layer, an oxidation reduction layer and a cooling zone from top to bottom; under the action of an air catalyst, the temperature of a drying layer reaches 100-250 ℃, and at the moment, moisture in the biomass is primarily heated and separated out; when the temperature of the biomass in the pyrolysis layer reaches about 600 ℃, a large amount of biomass combustible gases such as carbon dioxide, carbon monoxide, hydrogen, methane and the like are separated out from the cellulose in the biomass raw material under the action of thermal decomposition; the redox layer is a main reaction area of biomass gasification, the stirring rod 11 is positioned in the pyrolysis layer, the redox layer and the cooling area, and the temperature of liquid entering the circulating water pipe 12 is adjusted according to the proportion of required products, so that the oxidation and reduction reaction processes are effectively controlled, and finally, biomass charcoal and combustible gas are obtained; the generated biomass charcoal falls into the lower end of the cover body.
Embodiment 2, as shown in fig. 1, the other structure of this embodiment is the same as that of embodiment 1, but in this embodiment, the furnace screen 3 and the stirring rod 11 rotate relatively, a bearing is arranged between the furnace screen 3 and the furnace body 1, a circle of transmission gear 301 concentric with the furnace screen 3 is arranged on the furnace screen 3, the transmission gear 301 is meshed with the driving gear 13, the driving gear 13 is arranged on the output shaft of the furnace screen driving motor 14, and the main body of the furnace screen driving motor 14 is arranged outside the cover 4.
The specific working state is the same as that of the embodiment 1, but in the embodiment, the stirring rod 11 applies a downward force to the biomass charcoal during the rotation of the generated biomass charcoal along with the furnace screen 3, so that the biomass charcoal falls to the lower end of the cover body more quickly.
During specific work, the charcoal pulling scraper 15 is driven by the scraper driving motor 16 to scrape the biomass charcoal to the charcoal outlet 6, and the biomass charcoal falls into the conveying mechanism 18 from the charcoal outlet 6 and is conveyed out of the gasification furnace.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the above technical features may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.
Claims (6)
1. A gasification furnace using biomass as a raw material comprises a furnace body (1), wherein a feed inlet (2) is arranged at the upper end of the furnace body (1); the lower end of the furnace body (1) is open, a furnace screen (3) is arranged at the open position, the lower part of the furnace body (1) extends into the cover body (4) from the upper end of the cover body (4), a gas outlet (5) is arranged on the cover body (4), and a carbon outlet (6) is arranged at the lower end of the cover body (4); the furnace is characterized in that a stirring shaft (7) is arranged in the furnace body (1), a material pulling rod (8) is arranged on the stirring shaft (7), the stirring shaft (7) is in transmission connection with a stirring motor (9), a vertical shaft (10) is further arranged in the furnace body (1), a stirring rod (11) is arranged on the side wall of the vertical shaft (10), the stirring rod (11) is arranged along a vertical direction array, a communicated flow channel is arranged in the vertical shaft (10) and the stirring rod (11), the flow channel is communicated with one end of a circulating water pipe (12), and the other end of the circulating water pipe (12) extends out of the furnace body (1).
2. A biomass-based gasifier according to claim 1, characterized in that the relative rotation between the screen (3) and the stirring rod (11) is generated.
3. The gasification furnace using biomass as raw material according to claim 2, wherein a circle of transmission gear (301) concentric with the furnace screen (3) is arranged on the furnace screen (3), the transmission gear (301) is meshed with a driving gear (13), and the driving gear (13) is arranged on an output shaft of a furnace screen driving motor (14).
4. The gasification furnace using biomass as raw material according to claim 1, wherein a charcoal drawing scraper (15) is arranged on the bottom wall of the cover body (4), and the charcoal drawing scraper (15) is arranged on an output shaft of a scraper driving motor (16).
5. The gasification furnace using biomass as raw material according to claim 4, wherein the lower end of the char outlet (6) is connected with the feed end of the conveying mechanism (18) through a discharge pipe (17).
6. The gasification furnace using biomass as raw material according to claim 5, wherein the conveying mechanism (18) adopts an auger conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559586.7U CN216141495U (en) | 2021-07-09 | 2021-07-09 | Gasification furnace using biomass as raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121559586.7U CN216141495U (en) | 2021-07-09 | 2021-07-09 | Gasification furnace using biomass as raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216141495U true CN216141495U (en) | 2022-03-29 |
Family
ID=80803120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121559586.7U Expired - Fee Related CN216141495U (en) | 2021-07-09 | 2021-07-09 | Gasification furnace using biomass as raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216141495U (en) |
-
2021
- 2021-07-09 CN CN202121559586.7U patent/CN216141495U/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: 20220329 |