CN218755598U - Biomass raw material pyrolysis device - Google Patents
Biomass raw material pyrolysis device Download PDFInfo
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- CN218755598U CN218755598U CN202320124471.8U CN202320124471U CN218755598U CN 218755598 U CN218755598 U CN 218755598U CN 202320124471 U CN202320124471 U CN 202320124471U CN 218755598 U CN218755598 U CN 218755598U
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Abstract
The utility model belongs to the technical field of harmless treatment of organic solid wastes, and discloses a biomass raw material pyrolysis device, which comprises a pyrolysis furnace body, wherein a pyrolysis furnace cavity is sleeved in the pyrolysis furnace body, and a heating device and an air distribution device are arranged in the pyrolysis furnace cavity; the heating device comprises a plurality of electric heating columns and a fixed support ring used for fixing the electric heating columns, and the air distribution device is positioned at the bottom in the cavity of the pyrolysis furnace. The utility model discloses a pyrolysis furnace temperature is stable, can realize the high-efficient even heat and mass transfer of material in the stove, and pyrolysis gasification is more complete.
Description
Technical Field
The utility model belongs to the technical field of organic solid useless innocent treatment, relate to a biomass feedstock pyrolysis device particularly.
Background
The popularization and the utilization of renewable energy sources such as biomass and the like solve and relieve the excessive dependence on fossil fuel to a certain extent. Biomass, as a unique renewable carbon resource, has great potential for development due to its characteristics of zero carbon dioxide emissions, low cost, abundant reserves, and the like. In order to utilize biomass resources cleanly and efficiently, the development of a suitable conversion technology is particularly important. In the existing utilization modes (incineration, gasification, hydrolysis and pyrolysis), fast pyrolysis is an efficient thermal conversion method technology, and non-condensable gas generated by pyrolysis can be used for combustion or synthesis gas preparation; the produced porous coke can be modified to be used as an adsorbent, a catalyst carrier or other capacitance materials; the produced bio-oil can be used for liquid fuel or for preparing high-value chemicals.
In the prior art, when biomass is heated, the following problems mainly exist:
(1) Pyrolysis gas cannot be discharged quickly and stays in the pyrolysis device;
(2) The material is accumulated, so that the problem of incomplete pyrolysis gasification is caused;
(3) A heating device is arranged outside the pyrolysis device, so that the heat loss is large; inside heating device that sets up of pyrolysis device, heating device are mostly single cubic or bar-like, can't heat up rapidly, and it is inhomogeneous to be heated, leads to pyrolysis gasification incomplete problem.
Disclosure of Invention
The utility model aims at providing a biomass raw materials pyrolysis device can discharge pyrolysis gas rapidly, and pyrolysis gasification is more complete.
The utility model adopts the technical proposal that the biomass raw material pyrolysis device comprises a pyrolysis furnace body, a pyrolysis furnace cavity is sleeved in the pyrolysis furnace body, and a heating device and an air distribution device are arranged in the pyrolysis furnace cavity; the heating device comprises a plurality of electric heating columns and a fixed support ring used for fixing the electric heating columns, and the air distribution device is positioned at the bottom in the cavity of the pyrolysis furnace.
Preferably, the electric heating columns are vertically arranged, and the fixed support ring is fixed on the inner wall of the cavity of the pyrolysis furnace.
Preferably, the number of the electric heating columns is 2-6.
Preferably, the top of the air distribution device is provided with a plurality of air caps, and the bottom of the air distribution device is provided with a hot carrier air inlet.
Preferably, the lower part of the pyrolysis furnace body is provided with a high-temperature flue gas inlet, and the top of the pyrolysis furnace body is provided with a high-temperature flue gas outlet; and a cavity is formed between the pyrolysis furnace body and the pyrolysis furnace cavity, and the high-temperature flue gas inlet and the high-temperature flue gas outlet are communicated with the cavity.
Preferably, the bottom of pyrolysis furnace cavity is provided with pyrolysis charcoal guide row mouth, and the one end intercommunication pyrolysis furnace cavity of pyrolysis charcoal guide row mouth, the other end intercommunication pyrolysis charcoal is kept in, the bottom of pyrolysis charcoal between keeping in is provided with pyrolysis charcoal row mouth.
Preferably, the pyrolytic carbon drainage guide opening is funnel-shaped.
Preferably, the horizontal included angle alpha between the slope foot of the pyrolytic carbon guide outlet and the hood arrangement platform is 25-45 degrees.
Preferably, a material inlet is formed in the outer side wall of the pyrolysis furnace body, a pyrolysis gas outlet is formed in the top end of the pyrolysis furnace body, and the material inlet and the pyrolysis gas outlet are communicated to the inside of the cavity of the pyrolysis furnace from the outside.
The beneficial effects of the utility model reside in that:
1. the pyrolysis furnace adopts a cavity structure, and high-temperature smoke is used for assisting in heating and maintaining the temperature of the pyrolysis furnace to be stable;
2. the bottom of the pyrolysis furnace is provided with an air distribution device, so that the disturbance of materials in the pyrolysis furnace can be realized through flow and pressure regulation, the efficient and uniform heat and mass transfer of the materials in the furnace can be realized, and the air distribution device can also be used for purging and guiding and discharging pyrolysis carbon; meanwhile, the carrier gas released by the air distribution device can quickly carry out the pyrolysis gas;
3. the electric heating columns in the vertical directions can realize rapid heating, and in addition, the control of the pyrolysis temperature can be realized by adjusting the number and the heating power of the electric heating columns.
Drawings
FIG. 1 is a schematic view of a pyrolysis apparatus.
In the figure: 301-pyrolysis furnace body; 302-an electric heating column; 303-fixing the support ring; 304-a pyrolysis furnace cavity; 305-material inlet; 306-high temperature flue gas inlet; 307-high temperature flue gas outlet; 308-blast cap; 309-air distribution device; 310 — hot carrier gas inlet; 311-outlet of pyrolysis gas; 312-pyrolytic carbon drainage port; 313-temporary storage room for pyrolytic carbon; 314-pyrolytic carbon discharge port.
Detailed Description
The following is further detailed by way of specific embodiments:
the utility model discloses a biomass feedstock pyrolysis device includes pyrolysis furnace body 301, pyrolysis furnace body 301 endotheca has pyrolysis furnace cavity 304, vacuole formation between pyrolysis furnace body 301 and the pyrolysis furnace cavity 304, pyrolysis furnace body 301's lower part is provided with high temperature flue gas entry 306, the top is provided with high temperature exhanst gas outlet 307, high temperature flue gas entry 306 and high temperature exhanst gas outlet 307 all communicate with the cavity is inside, high temperature flue gas can follow high temperature flue gas entry 306 and get into in the cavity, and discharge from high temperature exhanst gas outlet 307, the benefit of establishing pyrolysis furnace cavity 304 at pyrolysis furnace body 301 endotheca lies in usable high temperature flue gas auxiliary heating and maintains the pyrolysis furnace temperature stable. The outer side wall of the pyrolysis furnace body 301 is provided with a material inlet 305, the top end of the pyrolysis furnace body 301 is provided with a pyrolysis gas outlet 311, and the material inlet 305 and the pyrolysis gas outlet 311 are communicated to the inside of the pyrolysis furnace cavity 304 from the outside.
The heating device and the air distribution device 309 are arranged in the pyrolysis furnace cavity 304, the heating device comprises a plurality of electric heating columns 302 and a fixing support ring 303 for fixing the electric heating columns 302, the fixing support ring 303 is fixed on the inner wall of the pyrolysis furnace cavity 304, the electric heating columns 302 are arranged in the vertical direction, rapid temperature rise can be realized, meanwhile, the pyrolysis temperature can be controlled by adjusting the number and the heating power of the electric heating columns 302, and the number of the electric heating columns is 2-6; the air distribution device 309 is arranged at the bottom of the pyrolysis furnace cavity 304, the top of the air distribution device 309 is provided with a plurality of air caps 308, the bottom of the air distribution device 309 is provided with a hot carrier gas inlet 310, and the hot carrier gas inlet 310 is communicated with the inside of the air distribution device 309 to the outside of the pyrolysis furnace body 301. The air distribution device 309 can adjust the flow and pressure to realize the disturbance of the material in the pyrolysis furnace and the high-efficiency uniform heat and mass transfer of the material in the furnace, and the air distribution device 309 can also be used for purging and guiding and discharging the pyrolysis carbon.
The bottom of the pyrolysis furnace cavity 304 is provided with a pyrolysis carbon guide and exhaust port 312, the pyrolysis carbon guide and exhaust port 312 is funnel-shaped, and the horizontal included angle alpha between the slope foot and the blast cap arrangement platform is 25-45 degrees. One end of the pyrolytic carbon guide discharge port 312 is communicated with the pyrolytic furnace cavity 304, the other end is communicated with the temporary pyrolytic carbon storage room 313, and a pyrolytic carbon discharge port 314 is arranged at the bottom of the temporary pyrolytic carbon storage room 313.
The working process of the invention is as follows: the electric heating column 302 is started, the pyrolysis furnace body is heated up rapidly under the heating action of the electric heating column 302, high-temperature flue gas is sent into the high-temperature flue gas inlet 306 and enters the cavity, after the temperature of the pyrolysis furnace body reaches the standard, dried and crushed raw materials are sent into the pyrolysis furnace cavity 304 through the material inlet 305, the air distribution device 309 is started, carrier gas enters the pyrolysis furnace cavity 304 through the hot carrier gas inlet 310 and the air cap 308, and pyrolysis gas generated by pyrolysis is sent out through the pyrolysis gas outlet under the action of the carrier gas.
Claims (9)
1. A biomass raw material pyrolysis device is characterized by comprising a pyrolysis furnace body, wherein a pyrolysis furnace cavity is sleeved in the pyrolysis furnace body, and a heating device and an air distribution device are arranged in the pyrolysis furnace cavity; the heating device comprises a plurality of electric heating columns and a fixed support ring used for fixing the electric heating columns, and the air distribution device is positioned at the bottom in the cavity of the pyrolysis furnace.
2. The biomass raw material pyrolysis device of claim 1, wherein the electric heating columns are vertically arranged, and the fixed support ring is fixed on the inner wall of the pyrolysis furnace cavity.
3. The biomass feedstock pyrolysis device of claim 1, wherein the number of the electric heating columns is 2 to 6.
4. The biomass raw material pyrolysis device according to claim 1, wherein a plurality of air caps are arranged at the top of the air distribution device, and a hot carrier gas inlet is arranged at the bottom of the air distribution device.
5. The biomass raw material pyrolysis device according to claim 1, wherein a high-temperature flue gas inlet is formed in the lower part of the pyrolysis furnace body, and a high-temperature flue gas outlet is formed in the top of the pyrolysis furnace body; and a cavity is formed between the pyrolysis furnace body and the pyrolysis furnace cavity, and the high-temperature flue gas inlet and the high-temperature flue gas outlet are communicated with the cavity.
6. The biomass raw material pyrolysis device of claim 1, wherein the bottom of the pyrolysis furnace cavity is provided with a pyrolysis carbon guide and discharge port, one end of the pyrolysis carbon guide and discharge port is communicated with the pyrolysis furnace cavity, the other end of the pyrolysis carbon guide and discharge port is communicated with the temporary pyrolysis carbon storage room, and the bottom of the temporary pyrolysis carbon storage room is provided with a pyrolysis carbon discharge port.
7. The biomass feedstock pyrolysis device of claim 6, wherein the pyrolytic carbon drain is funnel-shaped.
8. The biomass raw material pyrolysis device of claim 7, wherein a horizontal included angle α between a slope toe of the pyrolytic carbon guide and discharge port and the hood arrangement platform is 25-45 °.
9. The biomass raw material pyrolysis device according to claim 1, wherein a material inlet is arranged on the outer side wall of the pyrolysis furnace body, a pyrolysis gas outlet is arranged at the top end of the pyrolysis furnace body, and the material inlet and the pyrolysis gas outlet are both communicated to the inside of the pyrolysis furnace cavity from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124471.8U CN218755598U (en) | 2023-01-18 | 2023-01-18 | Biomass raw material pyrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124471.8U CN218755598U (en) | 2023-01-18 | 2023-01-18 | Biomass raw material pyrolysis device |
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| Publication Number | Publication Date |
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| CN218755598U true CN218755598U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320124471.8U Active CN218755598U (en) | 2023-01-18 | 2023-01-18 | Biomass raw material pyrolysis device |
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| CN (1) | CN218755598U (en) |
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2023
- 2023-01-18 CN CN202320124471.8U patent/CN218755598U/en active Active
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