CN210885947U - Carbonization furnace - Google Patents
Carbonization furnace Download PDFInfo
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- CN210885947U CN210885947U CN201921517271.9U CN201921517271U CN210885947U CN 210885947 U CN210885947 U CN 210885947U CN 201921517271 U CN201921517271 U CN 201921517271U CN 210885947 U CN210885947 U CN 210885947U
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- furnace
- furnace body
- material conveying
- carbonization
- waste gas
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The utility model discloses a carbonization furnace, which comprises a carbonization furnace body, wherein a material conveying furnace is arranged in the carbonization furnace, the material conveying furnace is fixed on the furnace body, the two ends of the material conveying furnace are respectively provided with a feed inlet and a discharge outlet, the discharge outlet is provided with a bolt, a feeding auger is arranged in the material conveying furnace, the material conveying furnace divides the furnace body into an upper furnace body and a lower furnace body, the material conveying furnace is provided with a waste gas collecting pipeline, the waste gas collecting pipeline is connected to a waste gas collecting box, the waste gas collecting box is provided with a connecting gas pipe, the connecting gas pipe is provided with a gas inlet, the connecting gas pipe is connected with a fan, the fan is connected to a combustion chamber, the combustion chamber is provided with a gas inlet pipeline, the gas inlet pipeline is connected to the upper furnace body and the lower furnace body, the upper furnace, the utility model has the advantage of little pollution.
Description
Technical Field
The utility model relates to a carbide furnace technical field.
Background
China is a large charcoal producing country, the yield of charcoal reaches ten million tons every year, and along with the rapid development of national economy, the demand of charcoal also rises year by year. Meanwhile, China is a large country for agricultural production, biomass wastes such as crop straws, miscellaneous trees and the like are about 70 hundred million tons every year, except that a small part of the biomass wastes are used as feeds, fuels and industrial fuels, most biomass wastes are directly burned or discarded in fields, serious environmental pollution is caused, the utilization rate is only 20%, and natural resources are wasted. The biomass carbonization technology can effectively convert the biomass wastes into biomass carbonization products, namely combustible gas and biochar (biochar namely charcoal), so that the demand on natural wood can be greatly reduced, forestry resources are effectively protected, and the biomass wastes can be effectively utilized. The biochar has wide application, can be used as domestic carbon for roasting, heating and other domestic purposes, can be combined with agriculture and forestry to serve as a soil conditioner for improving soil and promoting better plant growth, and can be further processed into active carbon for purifying air, water quality and the like.
At present, commonly used biomass carbonization devices are divided into two types, one type is a manual carbonization kiln and a machine-made carbonization furnace, the two types of devices always need to provide heat energy from the outside to carry out high-temperature carbonization on biomass raw materials in the working process, the carbonization heating time at least needs about 10 days, the carbonization time is long, the yield is low, the energy consumption is high, and the degree of generating polluted gas in the carbonization process is more higher than the degree of directly burning the biomass raw materials to generate the polluted gas, so the environment is seriously polluted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the inconvenient technical problem of retort waste gas recovery among the prior art, the utility model provides an environment-friendly carbide furnace that waste gas was recycled.
The utility model provides a technical scheme that its technical problem adopted is: the carbonization furnace comprises a base and a carbonization furnace body arranged on the base, a material conveying furnace is arranged in the carbonization furnace, the material conveying furnace is fixed on the furnace body, one end of the material conveying furnace is flush with the furnace body, the other end of the material conveying furnace extends out of the surface of the furnace body, a material inlet and a material outlet are respectively arranged at the two ends of the material conveying furnace, the discharging port is provided with a bolt, the conveying furnace is internally provided with a conveying auger, the conveying furnace divides the furnace body into an upper furnace body and a lower furnace body, the material conveying furnace is provided with a waste gas collecting pipeline which is connected to a waste gas collecting box, the waste gas collecting box is provided with a connecting gas pipe, the connecting gas pipe is provided with a gas inlet and is connected with a fan, the fan is connected to the combustion chamber, the combustion chamber is provided with an air inlet pipeline, the air inlet pipeline is connected to the upper furnace body and the lower furnace body, the upper furnace body and the lower furnace body are also provided with air outlet pipelines, and heat preservation devices are arranged in the upper furnace body and the lower furnace body and are used for maintaining the temperature in the furnace bodies.
Preferably, the material conveying furnace and the furnace body are coaxially arranged.
Preferably, the air inlet connected with the connecting air pipe is also provided with a speed regulating valve.
Preferably, the air outlet pipeline is connected with an external chimney.
Preferably, the heat preservation device arranged in the upper furnace body and the lower furnace body comprises a ceramic heat insulation layer arranged on the furnace bodies and aluminum silicate refractory fiber felt layers arranged in the upper furnace body and the lower furnace body, the aluminum silicate refractory fiber felt layers are arranged between the upper furnace body and the lower furnace body, a ventilation through hole is formed in each aluminum silicate refractory fiber felt layer, and the ventilation through hole is connected to the air outlet pipeline.
The utility model has the advantages that: the utility model discloses set up the defeated material stove of taking the auger in the furnace body of device, the furnace body is separated to defeated material stove, set up the combustor admission line on upper and lower furnace body and carry out hot blast to upper and lower furnace body, wherein be provided with waste gas collecting pipe on the defeated material stove, the waste gas of collection gets into in the waste gas collecting box, outside fan is through connecting the trachea and connecting waste gas collecting box, be provided with outside air inlet on connecting the trachea, waste gas and outside air or gas air mixture in the extraction waste gas collecting box under the fan drives, it burns to burn to the furnace body to insufflate it again, wherein set up heat preservation device and air outlet pipe way in the furnace body, realize gas circulation, this device burns waste gas recovery, the little technical advantage has the pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic diagram of the internal structure of the upper and lower furnace bodies of the present invention.
FIG. 1, base; 2. a material conveying furnace; 3. an upper furnace body; 4. a lower furnace body; 5. a packing auger; 6. a discharge hopper; 7. a bolt; 8. an exhaust gas collection conduit; 9. an air outlet pipe; 10. a waste gas collection tank; 11. connecting an air pipe; 12. a fan; 13. an air inlet; 14. a speed regulating valve; 15. a combustion chamber; 16. an air intake duct; 17. an air outlet pipe; 18. a ceramic layer; 19. an aluminum silicate refractory fiber felt layer; 20. and (7) a ventilation through hole.
Detailed Description
The utility model is further explained by the following figures, as shown in figure 1, the carbonization furnace comprises a base 1 and a carbonization furnace body arranged on the base 1, a material conveying furnace 2 is arranged in the carbonization furnace, the material conveying furnace 2 is fixed on the furnace body, one end of the material conveying furnace is flush with the furnace body, the other end of the material conveying furnace extends out of the surface of the furnace body, the two ends of the material conveying furnace 2 are respectively provided with a feed inlet and a discharge outlet, a bolt 7 is arranged on the discharge outlet, a feeding auger 5 is arranged in the material conveying furnace 2, the furnace body is divided into an upper furnace body 3 and a lower furnace body 4 by the material conveying furnace 2, wherein the discharge outlet is arranged on the material conveying furnace 2 extending out of the carbonization furnace body, the material conveying furnace 2 and the carbonization furnace body are coaxially arranged, the divided upper furnace body 4 and the lower furnace body 4 cover the material conveying furnace 2, an air inlet passage and an air outlet passage are arranged on the upper furnace, wherein, set up auger 5 in defeated material stove 2, auger 5 can carry out the hopper 6 that goes out in the furnace body with the firewood stick that the carbonization was accomplished, transport.
In order to reduce the waste gas generated in the carbonization process, a plurality of waste gas collecting channels are arranged on the shell of the material conveying furnace 2, the waste gas collecting channels are connected into a waste gas collecting box 10, a connecting air pipe 11 is connected onto the waste gas collecting box 10, an air inlet 13 is arranged on the connecting air pipe 11, the connecting air pipe 11 is connected into a combustion chamber 15 through a fan 12, a speed regulating valve 14 is arranged on the air inlet 13, meanwhile, a one-way speed limiting valve is arranged at the positions of the waste gas collecting box 10 and the connecting air pipe 11, the waste gas in the waste gas collecting box 10 can be mixed with the outside air or air-gas mixed gas under the driving of the fan 12, the waste gas is blown into the combustion chamber 15 to carry out combustion and heat release, the waste gas is mixed with the outside gas mixed gas or fresh air to ensure the full combustion of the waste gas, the emission of pollution is reduced, and simultaneously, the speed regulating valve 14 on the air inlet 13 and, to ensure adequate mixing.
Furthermore, a heat preservation device is arranged on the upper furnace body 4 and the lower furnace body 4, the heat preservation device comprises a ceramic layer 18 arranged on the inner layer of the upper furnace body 4 and a alumina silicate refractory fiber felt layer 19 arranged in the middle position of the inner parts of the upper furnace body 4 and the lower furnace body 4, an air outlet pipeline 179 is arranged between the alumina silicate refractory fiber felt layer 19 and the upper furnace body 3, the air outlet pipeline 179 is communicated with an external chimney in a consistent mode and can discharge cooled gas, air through holes 20 are formed in the alumina silicate, and the air through holes 20 are communicated with the air outlet pipeline 179.
The above description is made for the carbonization furnace according to the present invention with reference to the specific embodiments, and the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art according to the technical solutions of the present invention are considered as the protection scope of the present invention without departing from the concept of the present invention.
Claims (5)
1. Carbide furnace, including the base, place the retort furnace body on the base, its characterized in that: a material conveying furnace is arranged in the carbonization furnace, the material conveying furnace is fixed on the furnace body, one end of the material conveying furnace is flush with the furnace body, the other end of the material conveying furnace extends out of the surface of the furnace body, a feed inlet and a discharge outlet are respectively arranged at two ends of the material conveying furnace, a bolt is arranged on the discharge outlet, the feeding auger is arranged in the feeding furnace, the feeding furnace divides the furnace body into an upper furnace body and a lower furnace body, the material conveying furnace is provided with a waste gas collecting pipeline which is connected to a waste gas collecting box, the waste gas collecting box is provided with a connecting gas pipe, the connecting gas pipe is provided with a gas inlet and is connected with a fan, the fan is connected to the combustion chamber, the combustion chamber is provided with an air inlet pipeline, the air inlet pipeline is connected to the upper furnace body and the lower furnace body, the upper furnace body and the lower furnace body are also provided with air outlet pipelines, and heat preservation devices are arranged in the upper furnace body and the lower furnace body and are used for maintaining the temperature in the furnace bodies.
2. Carbonization furnace according to claim 1, characterized in that: the material conveying furnace is coaxial with the furnace body.
3. Carbonization furnace according to claim 1, characterized in that: and a speed regulating valve is also arranged on the air inlet connected with the connecting air pipe.
4. Carbonization furnace according to claim 1, characterized in that: the air outlet pipeline is connected with an external chimney.
5. Carbonization furnace according to claim 1, characterized in that: the heat preservation device arranged in the upper furnace body and the lower furnace body comprises a ceramic heat insulation layer arranged on the furnace bodies and aluminum silicate refractory fiber felt layers arranged in the upper furnace body and the lower furnace body, the aluminum silicate refractory fiber felt layers are arranged between the upper furnace body and the lower furnace body, and a ventilation through hole is formed in each aluminum silicate refractory fiber felt layer and connected to the air outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517271.9U CN210885947U (en) | 2019-09-12 | 2019-09-12 | Carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517271.9U CN210885947U (en) | 2019-09-12 | 2019-09-12 | Carbonization furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210885947U true CN210885947U (en) | 2020-06-30 |
Family
ID=71335932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921517271.9U Active CN210885947U (en) | 2019-09-12 | 2019-09-12 | Carbonization furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210885947U (en) |
-
2019
- 2019-09-12 CN CN201921517271.9U patent/CN210885947U/en active Active
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