CN218579872U - Integrated sludge carbonization furnace for co-production of biochar - Google Patents
Integrated sludge carbonization furnace for co-production of biochar Download PDFInfo
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- CN218579872U CN218579872U CN202221534492.9U CN202221534492U CN218579872U CN 218579872 U CN218579872 U CN 218579872U CN 202221534492 U CN202221534492 U CN 202221534492U CN 218579872 U CN218579872 U CN 218579872U
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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Abstract
The utility model discloses an integrated sludge carbonization furnace for co-producing biochar. The method comprises the following steps: the biomass carbonization furnace comprises a carbonization furnace shell, a biomass multi-section continuous carbonization device, a sludge multi-section continuous carbonization device, a biomass feed inlet, a sludge feed inlet, a biomass discharge outlet, a sludge discharge outlet, a furnace carbonization gas combustion device, a furnace external combustion machine, a blower, a power transmission device and a carbonization furnace flue gas outlet. According to the utility model discloses an integration mud carbide furnace of coproduction biological charcoal, the continuous carbonizing apparatus of living beings multistage and the continuous carbonizing apparatus of mud multistage independent operation separately in same carbide furnace shell, utilize the heat carbonization mud that living beings carbonization produced, the biochar of high added value has been produced simultaneously, greatly reduced the operating cost of mud carbonization, effectively realize biological charcoal coproduction and mud charcoal coproduction, realize the abundant coupling utilization of heat energy, investment cost is low, economic benefits and social are showing.
Description
Technical Field
The utility model belongs to the technical field of biomass energy high efficiency utilization and sludge treatment, concretely relates to integrated sludge carbonization furnace of coproduction biological charcoal.
Background
The sludge carbonization is that organic matters in the sludge are subjected to cracking reaction at high temperature under the anaerobic condition, macromolecules are cracked into micromolecules, one part of the organic matters in the sludge is converted into carbonized gas taking alkane as the main component, and inorganic matters and part of the organic matters in the sludge are converted into sludge carbon. The sludge reduction in the sludge carbonization process is obvious, dioxin is not generated in the process, the residues of antibiotics and organic pollutants are thoroughly eliminated, heavy metals are stabilized, the smoke gas amount is small, the investment is lower than that of sludge incineration, and the method becomes a preferred process for sludge deep treatment in recent years.
Two ways of reducing the operating cost of sludge carbonization are provided, namely, improving the heat energy utilization efficiency of the carbonized fuel and developing high-value carbonized byproducts.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides an integration sludge carbonization stove of coproduction biological charcoal effectively improves the mud carbonization efficiency, practices thrift the energy, and can the by-product biological charcoal of high added value.
The utility model provides an integration mud retort of coproduction thing charcoal, include:
the carbonization furnace shell is used for adiabatic combustion of carbonization gas in the carbonization furnace shell and provides heat energy for carbonization of biomass and sludge;
the biomass multi-section continuous carbonization device is positioned in the carbonization furnace and transversely penetrates through a carbonization furnace shell, and is used for carbonizing biomass to generate biochar and biomass carbonization gas;
the device comprises a sludge multi-section continuous carbonization device, a sludge multi-section continuous carbonization device and a carbonization furnace, wherein the sludge multi-section continuous carbonization device is positioned in a carbonization furnace and transversely penetrates through a carbonization furnace shell and is used for carbonizing sludge to generate sludge carbon and sludge carbonization gas;
the biomass feeding port is used for feeding biomass into the biomass multi-section continuous carbonization device for carbonization;
the sludge feeding port is used for feeding sludge into the sludge multi-section continuous carbonization device for carbonization;
the biochar discharge port is used for conveying biochar generated by biomass carbonization out of the carbonization furnace;
the sludge carbon discharge port is used for conveying sludge carbon generated by sludge carbonization out of the carbonization furnace;
the in-furnace carbonized gas combustion device is used for combusting carbonized gas generated by biomass carbonization and sludge carbonization to provide heat energy for biomass carbonization and sludge carbonization;
the furnace external burner is connected outside the carbonization furnace and used for raising the temperature to a set carbonization temperature when the carbonization furnace is ignited;
the air blower is used for feeding combustion-supporting gas into the shell of the carbonization furnace so as to enable the biomass carbonization gas and the sludge carbonization gas to be combusted, and provide heat energy for the carbonization process so that the carbonization reaction is continuously carried out;
the power transmission device is used for providing power for the operation of the biomass multi-section continuous carbonization device and the sludge multi-section continuous carbonization device;
and the smoke outlet of the carbonization furnace is used for discharging the smoke after the carbonization gas in the carbonization furnace shell is combusted out of the carbonization furnace.
Further, the carbonization furnace shell is a fixed steel cube and is lined with fireproof materials.
Further, the biomass multi-section continuous carbonization device is a multi-section screw conveyor which penetrates through the carbonization furnace shell and is connected end to end, and each section of screw conveyor is driven by a power transmission device outside the carbonization furnace.
Further, the sludge multi-section continuous carbonization device is a multi-section screw conveyor which traverses the carbonization furnace shell and is connected end to end, and each section of screw conveyor is driven by a power transmission device outside the carbonization furnace.
Further, the biomass feed inlet is positioned on the upper part of the carbonization furnace and is connected with the uppermost screw conveyor of the biomass multi-section continuous carbonization device.
Further, the sludge feed inlet is positioned on the upper part of the carbonization furnace and is connected with the uppermost screw conveyer of the multi-section continuous sludge carbonization device.
Further, the biochar discharge port is located on the lower portion of the carbonization furnace and connected with a lowest end screw conveyor of the biomass multi-section continuous carbonization device.
Further, the sludge carbon discharge port is positioned at the lower part of the carbonization furnace and is connected with a screw conveyor at the lowest end of the sludge multi-section continuous carbonization device.
Further, the interior carbonization gas burner of stove is located the carbonization furnace shell, and the interior carbonization gas burner of stove comprises carbonization gas collecting pipe and carbonization gas combustor, and the carbonization gas collecting pipe is connected with each section screw conveyer of living beings multistage continuous carbonization device and the continuous carbonization device of mud multistage, and the carbonization gas collecting pipe is joined the carbonization gas and is connected with the carbonization gas combustor after, and the carbonization gas combustor has electronic igniter for opening the tubular metal resonator that has the burner orifice next door.
Further, the biomass carbonization product is used for preparing active carbon or environment-friendly barbecue carbon.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) Biomass carbonization and sludge carbonization are carried out in the same carbonization furnace, biomass carbonization provides heat for sludge carbonization, and biomass carbonization gas and sludge carbonization gas are combusted in the same cavity (carbonization furnace shell), so that the combustion space and the combustion efficiency are greatly increased, the high-efficiency conduction of heat energy is realized, and the carbonization process is accelerated.
(2) The biomass multi-section continuous carbonization device and the sludge multi-section continuous carbonization device respectively and independently operate, the biomass multi-section continuous carbonization device not only provides carbonized gas as a heat source for sludge carbonization for the sludge multi-section continuous carbonization device, but also produces biochar with high added value, and greatly reduces the operation cost of sludge carbonization.
(3) Through adjusting the feeding speed of the screw conveyer of the biomass multi-section continuous carbonization device, the biomass carbonization amount and the biomass carbonization gas amount can be conveniently adjusted, so that the heat energy supply amount of sludge carbonization is adjusted, the carbonization temperature is ensured to be kept in a set temperature range, and heat energy can be saved.
Drawings
The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions of the invention, which are used to explain the principles of the invention.
In the drawings:
fig. 1 is according to the utility model discloses a positive structure schematic diagram of the integrated sludge carbonization stove of coproduction biochar of an embodiment, and fig. 2 is according to the utility model discloses a side structure schematic diagram of the integrated sludge carbonization stove of coproduction biochar of an embodiment.
Reference numerals
1. Carbonization furnace shell 2 and biomass multi-section continuous carbonization device
3. Sludge multi-section continuous carbonization device 4 and biomass feed inlet
5. Sludge feeding port 6 and biomass discharging port
7. Sludge discharge port 8 and in-furnace carbonized gas combustion device
9. Carbide gas collecting pipe 10 and carbide gas burner
11. External combustion engine 12, blower
13. Power transmission device 14 and smoke outlet of carbonization furnace
15. Biochar 16 and sludge carbon
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Need the external heat source that supplies to the mud carbomorphism among the prior art, consume a large amount of heats, and mud charcoal calorific value low value is low, the high scheduling problem of mud carbonization operation cost, the utility model provides an integrated mud carbide furnace of joint production biological charcoal, as shown in figure 1, figure 2, include:
a carbonization furnace shell 1, wherein the carbonization furnace shell 1 is used for adiabatic combustion of carbonization gas to provide heat energy for carbonization of biomass and sludge;
the biomass multi-section continuous carbonization device 2 is positioned in the carbonization furnace and traverses the carbonization furnace shell 1, and is used for carbonizing biomass to generate biochar 15 and biomass carbonization gas;
the device comprises a sludge multi-section continuous carbonization device 3, wherein the sludge multi-section continuous carbonization device 3 is positioned in a carbonization furnace and traverses through a carbonization furnace shell 1 and is used for carbonizing sludge to generate sludge carbon 16 and sludge carbonized gas;
the biomass feeding port 4 is used for feeding biomass into the biomass multistage continuous carbonization device 2 for carbonization;
the sludge feeding port 5 is used for feeding sludge into the sludge multi-section continuous carbonization device 3 for carbonization;
the biochar discharge port 6 is used for conveying biochar 15 generated by biomass carbonization out of the carbonization furnace;
a sludge carbon discharge port 7 for conveying sludge carbon 16 generated by sludge carbonization out of the carbonization furnace;
the in-furnace carbonized gas combustion device 8 is used for combusting carbonized gas generated by biomass carbonization and sludge carbonization to provide heat energy for biomass carbonization and sludge carbonization;
the furnace external burner 11 is connected outside the carbonization furnace, and is used for raising the temperature to a set carbonization temperature when the carbonization furnace is ignited;
the blower 12 is used for feeding combustion-supporting gas into the shell of the carbonization furnace so as to enable the biomass carbonization gas and the sludge carbonization gas to be combusted, and heat energy is provided for the carbonization process so that the carbonization reaction is continuously carried out;
and the power transmission device 13 is used for providing power for the operation of the biomass multistage continuous carbonization device 2 and the sludge multistage continuous carbonization device 3.
And the carbonization furnace flue gas outlet 14 is used for discharging flue gas which is combusted by the carbonization gas in the carbonization furnace shell 1 out of the furnace.
Further, the carbonization furnace shell 1 is a fixed steel cube and lined with a fireproof material.
Further, the biomass multi-section continuous carbonization device 2 is a multi-section screw conveyor which traverses the carbonization furnace shell 1 and is connected end to end, and each section of screw conveyor is driven by a power transmission device 13 outside the carbonization furnace.
Further, the multi-stage continuous sludge carbonizing device 3 is a multi-stage screw conveyor which traverses the carbonizing furnace shell 1 and is connected end to end, and each stage of screw conveyor is driven by a power transmission device 13 outside the carbonizing furnace.
Further, the biomass feed inlet 4 is located on the upper portion of the carbonization furnace and connected with the uppermost screw conveyor of the biomass multi-section continuous carbonization device 2.
Further, the sludge feed port 5 is located on the upper portion of the carbonization furnace and is connected with the uppermost screw conveyor of the sludge multi-section continuous carbonization device 3.
Further, the biochar discharge port 6 is positioned at the lower part of the carbonization furnace and is connected with a screw conveyor at the lowest end of the biomass multi-section continuous carbonization device 2.
Further, the sludge coal discharge port 7 is positioned at the lower part of the carbonization furnace and is connected with the lowest screw conveyer of the sludge multi-section continuous carbonization device 3.
Further, the interior carbonization gas burner 8 of stove is located carbonization furnace shell 1, and interior carbonization gas burner 8 of stove comprises carbonization gas collecting pipe 9 and carbonization gas combustor 10, and carbonization gas collecting pipe 9 is connected with each section screw conveyer of the continuous carbonization device of living beings multistage 2 and the continuous carbonization device of mud multistage 3, and carbonization gas collecting pipe 9 joins behind the carbonization gas and is connected with carbonization gas combustor 10, and carbonization gas combustor 10 is for opening the tubular metal resonator that has the burner port, and the next door has electronic igniter.
The working principle is as follows: after the temperature of the carbonization furnace is gradually heated to 650-900 ℃ by a burner 11 outside the furnace, biomass and sludge are respectively added into a biomass multi-section continuous carbonization device 2 and a sludge multi-section continuous carbonization device 3 through a biomass feed port 4 and a sludge feed port 5, organic matters in the biomass and the sludge generate a cracking reaction under the anaerobic high-temperature condition, macromolecules are cracked into micromolecules, and finally carbonized gas mainly comprising methane, ethane, propane, ethylene, carbon monoxide and a small amount of water vapor, and biochar 15 and sludge char 16 mainly comprising inorganic carbon and silicon dioxide are formed.
The carbonization gas collected from each section of the screw conveyer is converged into the carbonization gas burner 10 through the carbonization gas collecting pipe 9, and is combusted under the combustion supporting of air blown by the air blower 12, the continuous carbonization reaction is ensured to be continuously carried out through indirectly heating the biomass multi-section continuous carbonization device 2 and the sludge multi-section continuous carbonization device 3, and meanwhile, the burner 11 outside the furnace stops working.
After biomass and sludge travel for 20-30 minutes through screw conveyors in the biomass multi-section continuous carbonization device 2 and the sludge multi-section continuous carbonization device 3, carbonization reaction is completed, residual solids are biochar 15 and sludge char 16, the biochar and the sludge char are respectively discharged out of the carbonization furnace through a biochar discharge port 6 and a sludge char discharge port 7, and the cooled biochar and sludge char are used as sludge carbonization byproducts.
The water content of the peat 16 is less than 10 percent, the heat value is about 1800-2200kcal/kg, the peat can be used as biomass fuel for blending combustion, the water content of the peat 15 is less than 10 percent, the heat value is about 3000-3500kcal/kg, and environment-friendly barbecue charcoal and high-value active carbon can be further prepared.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides an integrated sludge carbonization stove of coproduction biological charcoal which characterized in that includes:
the device comprises a carbonization furnace shell (1), and a biomass multi-section continuous carbonization device (2), a sludge multi-section continuous carbonization device (3) and a furnace carbonization gas combustion device (8) which are arranged in the carbonization furnace shell (1), wherein the biomass multi-section continuous carbonization device transversely penetrates through the carbonization furnace shell; a biomass feed inlet (4) and a biochar discharge outlet (6) which are connected with the biomass multi-section continuous carbonization device (2); a sludge feeding hole (5) and a sludge carbon discharging hole (7) which are connected with the sludge multi-section continuous carbonization device (3); a carbonization furnace flue gas outlet (14) positioned at the top of the carbonization furnace shell (1); and an external furnace burner (11), a blower (12) and a power transmission device (13) which are connected outside the carbonization furnace shell (1).
2. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the carbonization furnace shell (1) is a fixed steel cube, and is lined with fireproof material.
3. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biomass multi-stage continuous carbonization device (2) is a multi-stage screw conveyor which traverses the carbonization furnace shell and is connected end to end, and each stage of screw conveyor is driven by a power transmission device (13) outside the carbonization furnace shell (1).
4. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the sludge multi-stage continuous carbonization device (3) is a multi-stage screw conveyor which traverses the carbonization furnace housing and is connected end to end, and each stage of screw conveyor is driven by a power transmission device (13) outside the carbonization furnace housing (1).
5. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biomass feed inlet (4) is positioned at the upper part of the carbonization furnace shell (1) and is connected with the uppermost screw conveyer of the biomass multi-segment continuous carbonization device (2).
6. The integrated sludge carbonization furnace for the co-production of biochar according to claim 1, wherein the sludge feed inlet (5) is positioned at the upper part of the carbonization furnace shell (1) and is connected with the uppermost screw conveyor of the sludge multistage continuous carbonization device (3).
7. The integrated sludge carbonization furnace for the co-production of biochar according to claim 1, wherein the biochar discharge port (6) is positioned at the lower part of the carbonization furnace shell (1) and is connected with the lowest screw conveyor of the biomass multistage continuous carbonization device (2).
8. The integrated sludge carbonization furnace for the co-production of biochar according to claim 1, wherein the sludge coal discharge port (7) is positioned at the lower part of the carbonization furnace shell (1) and is connected with the lowest screw conveyor of the sludge multistage continuous carbonization device (3).
9. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the in-furnace carbonization gas combustion device (8) is located in the carbonization furnace housing (1), the in-furnace carbonization gas combustion device (8) is composed of a carbonization gas header (9) and a carbonization gas burner (10), the carbonization gas header (9) is connected with each section of screw conveyor of the biomass multi-section continuous carbonization device (2) and the sludge multi-section continuous carbonization device (3), the carbonization gas header (9) is connected with the carbonization gas burner (10) after being merged with carbonization gas, and the carbonization gas burner (10) is a metal tube with combustion holes and is provided with an electronic igniter beside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534492.9U CN218579872U (en) | 2022-06-17 | 2022-06-17 | Integrated sludge carbonization furnace for co-production of biochar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534492.9U CN218579872U (en) | 2022-06-17 | 2022-06-17 | Integrated sludge carbonization furnace for co-production of biochar |
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| CN218579872U true CN218579872U (en) | 2023-03-07 |
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| CN202221534492.9U Active CN218579872U (en) | 2022-06-17 | 2022-06-17 | Integrated sludge carbonization furnace for co-production of biochar |
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