CN114958394A - Integrated sludge carbonization furnace for co-production of biochar - Google Patents

Integrated sludge carbonization furnace for co-production of biochar Download PDF

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Publication number
CN114958394A
CN114958394A CN202210695177.2A CN202210695177A CN114958394A CN 114958394 A CN114958394 A CN 114958394A CN 202210695177 A CN202210695177 A CN 202210695177A CN 114958394 A CN114958394 A CN 114958394A
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China
Prior art keywords
carbonization
sludge
furnace
biomass
biochar
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Pending
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CN202210695177.2A
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Chinese (zh)
Inventor
刘平
马赫
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Guilin Gree Environmental Protection And Energy Saving Technology Co ltd
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Guilin Gree Environmental Protection And Energy Saving Technology Co ltd
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Priority to CN202210695177.2A priority Critical patent/CN114958394A/en
Publication of CN114958394A publication Critical patent/CN114958394A/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B1/00—Retorts
    • C10B1/02—Stationary retorts
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B1/00—Retorts
    • C10B1/02—Stationary retorts
    • C10B1/04—Vertical retorts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/02—Multi-step carbonising or coking processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
    • C10B7/10—Coke ovens with mechanical conveying means for the raw material inside the oven with conveyor-screws
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Combustion & Propulsion (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention 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 integrated sludge carbonization furnace for co-producing the biochar, the biomass multi-section continuous carbonization device and the sludge multi-section continuous carbonization device respectively and independently operate in the same carbonization furnace shell, the sludge is carbonized by using heat generated by biomass carbonization, and the biochar with high added value is produced at the same time, so that the operation cost of sludge carbonization is greatly reduced, the biochar co-production and the sludge carbon co-production are effectively realized, the full coupling utilization of heat energy is realized, the investment cost is low, and the economic benefit and the social benefit are obvious.

Description

Integrated sludge carbonization furnace for co-production of biochar
Technical Field
The invention belongs to the technical field of efficient utilization of biomass energy and sludge treatment, and particularly relates to an integrated sludge carbonization furnace for co-producing biochar.
Background
The sludge carbonization is that organic matters in the sludge undergo a cracking reaction at high temperature under an anaerobic condition, macromolecules are cracked into micromolecules, one part of the organic matters in the sludge is converted into carbonized gas mainly containing alkane, 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.
Disclosure of Invention
In order to solve the technical problems, the integrated sludge carbonization furnace for co-producing biochar provided by the invention has the advantages that the sludge carbonization energy efficiency is effectively improved, the energy is saved, and a high-added-value biochar can be produced as a byproduct.
The invention provides an integrated sludge carbonization furnace for co-producing biochar, which comprises:
a carbonization furnace housing for adiabatic combustion of carbonization gas therein to provide 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 the 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 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 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 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 carbide gas burner of stove is located the carbonization furnace shell, and the interior carbide gas burner of stove comprises carbide gas collector and carbide gas combustor, and the carbide gas collector is connected with each section screw conveyer of the continuous carbonization device of living beings multistage and the continuous carbonization device of mud multistage, and the carbide gas collector is joined the carbide gas and is connected with the carbide gas combustor after, and the carbide 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 invention has the following beneficial effects:
(1) the biomass carbonization and the sludge carbonization are carried out in the same carbonization furnace, the biomass carbonization provides heat for the sludge carbonization, and the biomass carbonization gas and the 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 efficient 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 invention are included to provide a further understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the drawings:
fig. 1 is a schematic front structure diagram of an integrated sludge carbonization furnace for co-producing biochar according to an embodiment of the invention, and fig. 2 is a schematic side structure diagram of an integrated sludge carbonization furnace for co-producing biochar according to an embodiment of the invention.
Reference numerals
1. Continuous carbonizing apparatus of carbide furnace shell 2, living beings multistage
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 machine 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Aiming at the problems that in the prior art, external heat sources are needed for sludge carbonization, a large amount of heat is consumed, the heat value of sludge carbon is low, the cost of sludge carbonization operation is high, and the like, the invention provides an integrated sludge carbonization furnace for co-producing biochar, which comprises the following components as shown in figures 1 and 2:
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 sewage 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 burnt 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 inlet 5 is positioned on the upper part of the carbonization furnace and is connected with the uppermost screw conveyer 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 discharge port 7 for the sludge coal is positioned at the lower part of the carbonization furnace and is connected with the lowest end 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-plus 900 ℃ by the burner 11 outside the furnace, biomass and sludge are respectively added into the biomass multi-section continuous carbonization device 2 and the sludge multi-section continuous carbonization device 3 through the biomass feed port 4 and the 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 charcoal 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, and the heat value is about 3000-3500kcal/kg, and the peat can be further used for preparing environment-friendly barbecue charcoal and high-value activated carbon.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides an integrated sludge carbonization stove of coproduction biological charcoal which characterized in that includes:
a carbonization furnace housing for adiabatic combustion of carbonization gas therein to provide 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 the 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 multistage continuous carbonization device and the sludge multistage 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 furnace.
2. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the carbonization furnace shell is a fixed steel cube and is lined with fireproof materials.
3. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biomass multi-stage continuous carbonization device 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 outside the carbonization furnace.
4. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the multi-stage continuous carbonization device for sludge 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 outside the carbonization furnace.
5. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biomass feed inlet is positioned at the upper part of the carbonization furnace and is connected with the uppermost screw conveyor of the biomass multistage continuous carbonization device.
6. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the sludge feed inlet is positioned at the upper part of the carbonization furnace and is connected with the uppermost screw conveyor of the multi-stage continuous carbonization device.
7. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biochar discharge port is positioned at the lower part of the carbonization furnace and is connected with the lowest end screw conveyor of the biomass multi-stage continuous carbonization device.
8. The integrated sludge carbonization furnace for co-producing biochar as claimed in claim 1, wherein the discharge port of the sludge coal is positioned at the lower part of the carbonization furnace and is connected with the lowest screw conveyor of the multi-stage continuous carbonization device.
9. The integrated sludge carbonizing furnace for co-producing biochar as claimed in claim 1, wherein the in-furnace carbonization gas combustion device is located in the outer shell of the carbonizing furnace, the in-furnace carbonization gas combustion device is composed of a carbonization gas collecting pipe and a carbonization gas burner, the carbonization gas collecting pipe is connected with each section of screw conveyor of the biomass multi-section continuous carbonizing device and the sludge multi-section continuous carbonizing device, the carbonization gas collecting pipe is connected with the carbonization gas burner after being converged with the carbonization gas, the carbonization gas burner is a metal pipe provided with combustion holes, and an electronic igniter is arranged beside the metal pipe.
10. The integrated sludge carbonization furnace for co-production of biochar as claimed in claim 1, wherein the biomass carbonization product is used for preparing activated carbon or environment-friendly barbecue carbon.
CN202210695177.2A 2022-06-17 2022-06-17 Integrated sludge carbonization furnace for co-production of biochar Pending CN114958394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210695177.2A CN114958394A (en) 2022-06-17 2022-06-17 Integrated sludge carbonization furnace for co-production of biochar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210695177.2A CN114958394A (en) 2022-06-17 2022-06-17 Integrated sludge carbonization furnace for co-production of biochar

Publications (1)

Publication Number Publication Date
CN114958394A true CN114958394A (en) 2022-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210695177.2A Pending CN114958394A (en) 2022-06-17 2022-06-17 Integrated sludge carbonization furnace for co-production of biochar

Country Status (1)

Country Link
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