CN115261043A - A processing system for saw-dust discarded object resourceization - Google Patents
A processing system for saw-dust discarded object resourceization Download PDFInfo
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- CN115261043A CN115261043A CN202211039628.3A CN202211039628A CN115261043A CN 115261043 A CN115261043 A CN 115261043A CN 202211039628 A CN202211039628 A CN 202211039628A CN 115261043 A CN115261043 A CN 115261043A
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- wood
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- pyrolysis
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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
- 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
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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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C5/00—Production of pyroligneous acid distillation of wood, dry distillation of organic waste
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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
-
- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention is suitable for the technical field of sawdust waste utilization, and provides a treatment system for sawdust waste recycling, which comprises a sawdust pretreatment system, a pyrolysis cooling system and a product storage system; the sawdust pretreatment system comprises a sawdust storage field, a drying furnace, a storage bin and a fuel supplementing device, wherein the sawdust storage field and the drying furnace as well as the drying furnace and the storage bin are connected through conveying assemblies, and the fuel supplementing device is connected with the pyrolysis cooling system; the pyrolysis cooling system comprises a feeder, a pyrolysis furnace, a discharging machine, a cooling furnace, a primary cooler, an air cooler and a cooler, the oriented catalytic pyrolysis utilization of the sawdust waste can be realized, the production and environmental protection requirements are met, the operation is simple and convenient, the conditions are proper, the cost is low, and the stable production can be realized.
Description
Technical Field
The invention relates to the technical field of sawdust waste utilization, in particular to a treatment system for sawdust waste recycling.
Background
The wood chip waste is a biofuel made of compressed wood fibers in China, and the production sources mainly comprise sawdust, forestry residues, waste paper, wood board factory waste, forestry waste and the like. The largest wood floor production area in China is more than 700 wood floor production enterprises, the annual production value is nearly 200 million yuan, and a large amount of wood dust waste is brought along with the wood floor production enterprises. 50-70 ten thousand tons of wood chip wastes are generated in the wood processing process every year, and are mainly used as biomass fuels or composite board raw materials at present, so that the application value is low.
The wood processing process of the largest wood board factory production place in China produces over 60 ten thousand tons of wood chips which are sold after being classified and collected by local dealers, and the main selling direction is to produce biomass fuel briquettes, biomass power plant fuels and a small amount of wood chips for producing machine-made charcoal. The direct use of wood chips as fuel is the lowest-end application mode, and has the following disadvantages: 1) The transportation cost is high, and the additional value is low; 2) The storage land occupation is large, and the environmental pollution risk is high; 3) Direct combustion increases carbon emissions; 4) High-quality biomass resources are wasted. Although the wood chip waste is completely utilized in combustion power generation, the problems of high energy consumption, low added value, high-quality resource waste and the like are caused, the development trend of green environmental protection is not met, and condensate (mixture of wood vinegar and wood tar) byproducts in the production process are sold at a very low price.
Therefore, in view of the above situation, there is an urgent need to provide a treatment system for recycling wood chip waste to overcome the shortcomings in the current practical application.
Disclosure of Invention
The invention aims to provide a treatment system for recycling sawdust waste, which fully utilizes sawdust discarded by wood processing enterprises to produce carbon materials, tar, pyroligneous liquor and fuel gas through pyrolysis processing, and further processes carbon, oil, vinegar and gas to form a sawdust recycling industrial chain with high added value.
The invention is realized in this way, a treatment system for wood chip waste recycling comprises a wood chip pretreatment system, a pyrolysis cooling system and a product storage system;
the sawdust pretreatment system comprises a sawdust storage field, a drying furnace, a storage bin and a fuel supplementing device, wherein the sawdust storage field is connected with the drying furnace and the drying furnace is connected with the storage bin through conveying assemblies, and the fuel supplementing device is connected with the pyrolysis cooling system;
the pyrolysis cooling system comprises a feeder, a pyrolysis furnace, a discharging machine, a cooling furnace, a primary cooler, an air cooler and a cooler, wherein the feeder is used for connecting the pyrolysis furnace and the sawdust pretreatment system, outlets at two ends of the pyrolysis furnace are respectively connected with the primary cooler and the discharging machine, the cooling furnace is used for cooling and separating solid carbon materials conveyed by the discharging machine, a discharge port of the cooling furnace is connected with a product storage system, an air outlet of the cooling furnace is connected with an air inlet of the drying furnace, two groups of discharge ports of the primary cooler are respectively connected with the cooler and the product storage system, an air outlet of the primary cooler is connected with the drying furnace, a discharge port of the cooler is connected with the product storage system, an air outlet of the cooler is connected with the drying furnace, and two groups of air supply ports of the air cooler are respectively connected with the primary cooler and the cooling furnace.
Compared with the prior art, the invention has the following beneficial effects:
the processing system for the wood chip waste resource is adopted to develop a wood chip utilization technology and a product with high utilization rate and high added value, a large-scale, serialized and complete closed-loop resource utilization mode is gradually formed from single item to series, and the high added value cyclic utilization and waste-free discharge of the wood chips are realized.
Drawings
Fig. 1 is a process flow chart of a processing system for recycling wood chip waste according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a processing system for recycling wood chip waste according to an embodiment of the present invention.
In the drawings: the wood chip pretreatment system comprises a wood chip pretreatment system 1, a wood chip storage yard 1-1, a conveyor a1-2, a drying furnace 1-3, a conveyor b1-4, a storage bin 1-5, a fuel supplement device 1-6, a pyrolysis cooling system 2, a feeder 2-1, a pyrolysis furnace 2-1, a discharging machine 2-3, a cooling furnace 2-4, a primary cooler 2-5, an air cooler 2-6, a cooler 2-7, a product storage system 3, a conveyor c3-1, a carbon storage bin 3-2, a wood tar tank 3-3, a wood tar refining bin 3-4, a creosote oil tank 3-5, an active carbon storage tank 3-6, a vinegar buffer tank 3-7, a wood vinegar refining bin 3-8, a crude wood vinegar storage tank 3-9 and a refined wood vinegar storage tank 3-10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 and 2, a processing system for recycling wood chip waste according to an embodiment of the present invention includes a wood chip pre-processing system 1, a pyrolysis cooling system 2, and a product storage system 3;
the wood chip pretreatment system 1 comprises a wood chip storage field 1-1, a drying furnace 1-3, a storage bin 1-5 and a fuel supplementing device 1-6, wherein the wood chip storage field 1-1 and the drying furnace 1-3 as well as the drying furnace 1-3 and the storage bin 1-5 are connected through a conveying assembly, and the fuel supplementing device 1-6 is connected with a pyrolysis cooling system 2;
the pyrolysis cooling system 2 comprises a feeder 2-1, a pyrolysis furnace 2-1, a discharging machine 2-3, a cooling furnace 2-4, a primary cooler 2-5, an air cooler 2-6 and a cooler 2-7; the lower outlet of the pyrolysis furnace 2-2 is connected with the inlet of the primary cooler 2-5, the cold night is conveyed to the primary cooler 2-5 for cooling and primary separation, and the upper outlet is connected with the discharging machine 2-3; further, the discharging machine 2-3 conveys the solid carbon material to a cooling furnace 2-4 for cooling separation; the discharge port of the cooling furnace 2-4 is connected with the product storage system 3, and further, the air outlet of the cooling furnace 2-4 is connected with the air inlet 1-3 of the drying furnace in the wood chip pretreatment system 1 to provide a heat source for the drying furnace; the first discharge port of the primary cooler 2-5 is connected with the inlet of the cooler 2-7, the second discharge port of the primary cooler 2-5 is connected with the product storage system 3, and the air outlet of the primary cooler 2-5 is connected with the drying oven 1-5; the discharge port of the cooler 2-7 is connected with a vinegar liquid buffer tank 3-4 in the product storage system, and the air outlet of the cooler 2-7 is further connected with a drying furnace 1-3 in the wood chip pretreatment system; and the air supply outlet 1 of the air cooler 2-6 is connected with the primary cooler 2-5, and the air outlet 2 of the air cooler is further connected with the cooling furnace 2-4 to provide a cold source for the cooler.
In the embodiment of the invention, through the matching arrangement of the wood chip pretreatment system 1, the pyrolysis cooling system 2 and the product storage system 3, a wood chip utilization technology and a product with high utilization rate and high added value can be developed, a large-scale, serialized and complete closed-loop resource utilization mode is gradually formed from single item to series, the high added value recycling of wood chips and no waste discharge are realized, and the problems of low added value of transportation cost, high pollution risk of large environment of storage and collection area, carbon emission increase due to direct combustion, high-quality biomass resource waste and the like in the prior art are avoided.
In one embodiment of the invention, referring to fig. 1, the conveying assembly comprises a conveyor a1-2 and a conveyor b1-4, wherein the conveyor a1-2 is positioned at the outlet end of the chip storage yard 1-1; the outlet of the dryer 1-3 is connected with the feed end of the conveyor b1-4, and the conveyor b1-4 is used for conveying the materials output by the dryer 1-3 to the storage bin 1-5 for storage.
In one embodiment of the invention, referring to fig. 1, the outlet of the feeder 2-1 is provided with a delivery pump, and the delivery pump is connected with the feeding port of the pyrolysis furnace 2-2.
In one embodiment of the present invention, referring to fig. 1 and 2, the product storage system 3 includes a conveyor c3-1, a carbon storage bin 3-2, a wood tar tank 3-3, a wood tar refining bin 3-4, a creosote storage tank 3-5, an activated carbon storage tank 3-6, a vinegar buffer tank 3-7, a vinegar refining bin 3-8, a crude pyroligneous liquor storage tank 3-9, and a refined pyroligneous liquor storage tank 3-10; the front end of the conveyor c3-1 is connected with an outlet of a cooling furnace 2-4 in the pyrolysis cooling system 2, and the rear end of the conveyor is further connected with a carbon storage bin 3-2; the inlet 3-3 of the wood tar tank is respectively connected with the liquid outlet of a primary cooler 2-5 and the liquid outlet of a cooler 2-7 in the pyrolysis cooling system 2, and the outlet is further connected with the wood tar refining bin 3-4; the outlets of the wood tar refining bins 3-4 are respectively connected with the storage tanks 3-5 for creosote and the storage tanks 3-6 for activated carbon; an inlet of the vinegar liquid buffer tank 3-7 is connected with a first outlet below a cooler 2-7 in the pyrolysis cooling system 2, a first outlet of the vinegar liquid buffer tank is conveyed to a wood vinegar refining bin 3-8, and a second outlet of the vinegar liquid buffer tank is further connected with a wood tar tank 3-3; the wood crude refining bin 3-8 is respectively connected with a crude wood vinegar storage tank 3-9 and a refined wood vinegar storage tank 3-10.
In one embodiment of the present invention, referring to fig. 1, the wood vinegar refining bin 3-8 relates to a wood vinegar purifying technology and a wood vinegar concentrating technology, and comprises a multi-stage precise fractionation purifying device and a membrane filtering device; the wood tar refining bin 3-4 relates to a technology for separating phenol oil from light tar and a technology for preparing super activated carbon from heavy tar, and comprises a multi-stage extraction device.
In one embodiment of the present invention, referring to fig. 1, the supplementary gas device 1-6 is used for supplying fuel to the pyrolysis furnace 2-2;
the pyrolysis furnace 2-2, the primary cooler 2-5 and the cooler 2-7 all provide heat sources for the drying furnace 1-3 for recycling.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. The processing system for recycling the wood chip waste is characterized by comprising a wood chip pretreatment system, a pyrolysis cooling system and a product storage system;
the sawdust pretreatment system comprises a sawdust storage field, a drying furnace, a storage bin and a fuel supplementing device, wherein the sawdust storage field and the drying furnace as well as the drying furnace and the storage bin are connected through conveying assemblies, and the fuel supplementing device is connected with the pyrolysis cooling system;
the pyrolysis cooling system comprises a feeder, a pyrolysis furnace, a discharging machine, a cooling furnace, a primary cooler, an air cooler and a cooler, wherein the feeder is used for connecting the pyrolysis furnace and the sawdust pretreatment system, outlets at two ends of the pyrolysis furnace are respectively connected with the primary cooler and the discharging machine, the cooling furnace is used for cooling and separating solid carbon materials conveyed by the discharging machine, a discharge port of the cooling furnace is connected with a product storage system, an air outlet of the cooling furnace is connected with an air inlet of a drying furnace, two groups of discharge ports of the primary cooler are respectively connected with the cooler and the product storage system, an air outlet of the primary cooler is connected with the drying furnace, a discharge port of the cooler is connected with the product storage system, an air outlet of the cooler is connected with the drying furnace, and two groups of air supply outlets of the air cooler are respectively connected with the primary cooler and the cooling furnace;
the product storage system comprises a conveyor c, a carbon storage bin, a wood tar tank, a wood tar refining bin, a creosote oil storage tank, an activated carbon storage tank, a vinegar buffer tank, a wood vinegar refining bin, a crude wood vinegar storage tank and a refined wood vinegar storage tank; conveyer c is used for being connected between cooling furnace and the carbon storage storehouse, the wood tar jar links to each other with the liquid outlet of primary cooler liquid outlet and cooler respectively, vinegar dashpot links to each other with cooler, wood vinegar refining storehouse and wood tar jar, wood vinegar refining storehouse is connected with the liquid storage pot.
2. The wood chip waste recycling processing system as claimed in claim 1, wherein the outlet of the feeding machine is provided with a delivery pump, and the delivery pump is connected with the feeding port of the pyrolysis furnace.
3. The wood chip waste recycling processing system as claimed in claim 1, wherein the outlet of the wood tar tank is connected with a wood tar refining bin.
4. The wood chip waste recycling treatment system according to claim 1, wherein the inlet of the vinegar buffer tank is connected to the first lower outlet of the cooler, the first outlet of the vinegar buffer tank is connected to the wood vinegar refining bin, and the second outlet of the vinegar buffer tank is connected to the wood tar tank.
5. The wood chip waste recycling treatment system according to claim 1, wherein said storage tank comprises a crude pyroligneous liquor storage tank and a refined pyroligneous liquor storage tank.
6. The processing system for wood chip waste recycling according to claim 1, wherein the wood vinegar refining bin comprises a multi-stage precise fractionation purification device and a membrane filtration device;
the wood tar refining bin comprises a multi-stage extraction device.
7. The wood chip waste recycling processing system according to claim 1, wherein the supplementary gas device is used for supplying fuel to the pyrolysis furnace;
the pyrolysis furnace, the primary cooler and the cooler all provide heat sources for the drying furnace for cyclic utilization.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039628.3A CN115261043A (en) | 2022-08-29 | 2022-08-29 | A processing system for saw-dust discarded object resourceization |
| ZA2023/02689A ZA202302689B (en) | 2022-08-29 | 2023-02-27 | A treatment system for sawdust waste resource utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039628.3A CN115261043A (en) | 2022-08-29 | 2022-08-29 | A processing system for saw-dust discarded object resourceization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115261043A true CN115261043A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211039628.3A Pending CN115261043A (en) | 2022-08-29 | 2022-08-29 | A processing system for saw-dust discarded object resourceization |
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| Country | Link |
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| CN (1) | CN115261043A (en) |
| ZA (1) | ZA202302689B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040015620A (en) * | 2002-08-13 | 2004-02-19 | 김명호 | method and device for Pyroligneous liquid distillation |
| KR100593858B1 (en) * | 2006-01-06 | 2006-06-28 | 이도중 | Charcoal and sap manufacturing machine |
| CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
| CN110240919A (en) * | 2019-07-16 | 2019-09-17 | 洛阳佳易新能源技术有限公司 | A kind of stalk progressive solution extracts wood vinegar device and production technology |
| CN110628453A (en) * | 2019-09-26 | 2019-12-31 | 中国矿业大学 | High-efficiency enrichment process and equipment for light hydrocarbon oil and phenol oil in low metamorphic coal alcoholysis product |
-
2022
- 2022-08-29 CN CN202211039628.3A patent/CN115261043A/en active Pending
-
2023
- 2023-02-27 ZA ZA2023/02689A patent/ZA202302689B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040015620A (en) * | 2002-08-13 | 2004-02-19 | 김명호 | method and device for Pyroligneous liquid distillation |
| KR100593858B1 (en) * | 2006-01-06 | 2006-06-28 | 이도중 | Charcoal and sap manufacturing machine |
| CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
| CN110240919A (en) * | 2019-07-16 | 2019-09-17 | 洛阳佳易新能源技术有限公司 | A kind of stalk progressive solution extracts wood vinegar device and production technology |
| CN110628453A (en) * | 2019-09-26 | 2019-12-31 | 中国矿业大学 | High-efficiency enrichment process and equipment for light hydrocarbon oil and phenol oil in low metamorphic coal alcoholysis product |
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| Publication number | Publication date |
|---|---|
| ZA202302689B (en) | 2023-05-31 |
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