CN113246251B - Eucalyptus bark recycling processing system and processing method - Google Patents
Eucalyptus bark recycling processing system and processing method Download PDFInfo
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- CN113246251B CN113246251B CN202110547619.4A CN202110547619A CN113246251B CN 113246251 B CN113246251 B CN 113246251B CN 202110547619 A CN202110547619 A CN 202110547619A CN 113246251 B CN113246251 B CN 113246251B
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- 238000004064 recycling Methods 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 244000166124 Eucalyptus globulus Species 0.000 title abstract 6
- 239000000843 powder Substances 0.000 claims abstract description 42
- 238000005520 cutting process Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000011068 loading method Methods 0.000 claims abstract description 9
- 238000010298 pulverizing process Methods 0.000 claims abstract description 5
- 241000219927 Eucalyptus Species 0.000 claims description 100
- 239000002023 wood Substances 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims 1
- 239000003895 organic fertilizer Substances 0.000 abstract description 7
- 239000002028 Biomass Substances 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008104 plant cellulose Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/06—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a eucalyptus bark recycling processing system and a processing method, wherein the processing system comprises a barking machine, a rough cutting machine, a pulverizer, a briquetting and forming machine, a conveying device for conveying barks, a stacking device, a loading device, an auxiliary material adding device and a pulverizing and dedusting device; the rough cutting machine is connected and arranged at the rear end of the peeling machine; the pulverizer is connected and arranged at the rear end of the rough cutting machine; the briquetting and forming machine is connected and installed at the rear end of the pulverizer. The invention effectively solves the problems that eucalyptus bark is stably and efficiently crushed into bark powder, and the fineness requirement of extrusion granulation of organic fertilizer or biomass firing material is met; the eucalyptus bark is too fluffy before and after processing, has low compactness, is inconvenient to transport and has too high transportation cost; solves the problems of time and region dislocation existing in eucalyptus bark storage and adjustment and transportation in a large range; realizes the drying of eucalyptus bark, has controllable moisture and greatly improves the utilization value.
Description
Technical Field
The invention belongs to the technical field of eucalyptus bark resource utilization, and particularly relates to a eucalyptus bark resource processing system and a processing method.
Background
The artificial forest is a current wood source for main industry in China, the planting area of the artificial forest in Guangxi of a main wood production area in China is more than 1.2 hundred million mu, the area of the artificial forest for main carrying tree species eucalyptus is more than 4000 ten thousand mu, the output of fresh eucalyptus wood felled each year is more than 5000 ten thousand tons, and the artificial forest is widely used for processing boards, papermaking and the like. Since eucalyptus bark, which is 18 to 20% by weight of eucalyptus bark, is peeled off before eucalyptus wood is used as a raw material for processing boards and paper making, only fresh eucalyptus bark peeled off from eucalyptus wood cut annually in Guangxi has almost ten millions of tons (water content of about 50%).
The eucalyptus bark mainly contains plant cellulose and hemicellulose, is a good biomass fuel and raw material for producing organic fertilizer, but the eucalyptus bark has higher moisture and grows into strips and sheets when just stripped, can not be directly used, is fluffy, has low compactness, is inconvenient to transport, and has higher crushing processing difficulty. Therefore, a large amount of eucalyptus barks are discarded in the surrounding environment of the wood processing factory after being stripped, no way is available, and when the eucalyptus barks are accumulated to influence the production of the wood processing factory, owners often adopt open-air incineration to carry out illegal treatment, so that the environment is seriously influenced, precious resources are wasted, and the development of the wood processing industry is restricted to a certain extent.
Therefore, an economic and feasible eucalyptus bark recycling processing system and processing method are developed, organic pollution caused by eucalyptus bark is avoided, waste is changed into valuable, the eucalyptus bark planting and processing industry chain is prolonged, the industrial added value is improved, the sustainable and healthy development of the industry is promoted, and the following technical problems are solved: firstly, solving the problem that eucalyptus bark is stably and efficiently crushed into bark powder, and meeting the requirement of the fineness of organic fertilizer or extrusion granulation as biomass burning material; secondly, the problems that the eucalyptus bark is too fluffy before and after processing, the compactness is low, and the shipment and the transportation cost are inconvenient and too high are solved; thirdly, the problem that eucalyptus bark is dried, the moisture is controllable, and the utilization value is improved is solved; fourth, solve eucalyptus bark and store and meet and adjust, transport on a large scale, adjust and produce and utilize time and region dislocation problem.
Disclosure of Invention
The invention aims to provide a eucalyptus bark recycling processing system and a processing method, which solve the technical problem that the recycling processing of eucalyptus bark is difficult.
The aim and the technical problems of the invention are realized by adopting the following technical proposal. The eucalyptus bark recycling processing system comprises a barking machine, a rough cutting machine, a crushing machine and a briquetting forming machine; the rough cutting machine is connected and arranged at the rear end of the peeling machine; the pulverizer is connected and arranged at the rear end of the rough cutting machine; the briquetting and forming machine is connected and installed at the rear end of the pulverizer.
The aim and the technical problems of the invention can be further realized by adopting the following technical measures.
Preferably, in the eucalyptus bark recycling processing system, bark conveying equipment is connected and installed between the barking machine and the rough cutting machine, or/and broken bark conveying equipment is connected and installed between the rough cutting machine and the pulverizer, or/and bark powder conveying equipment is connected and installed between the pulverizer and the briquetting machine.
Preferably, in the eucalyptus bark recycling processing system, the rear end of the briquetting and forming machine is connected with stacking or/and loading equipment.
Preferably, the aforementioned eucalyptus bark recycling system, wherein the rough cutting machine is a single-roll or multi-roll shredder.
Preferably, in the eucalyptus bark recycling processing system, the pulverizer is a screenless hammer mill.
Preferably, the eucalyptus bark recycling processing system further comprises an auxiliary material adding device; the auxiliary material adding device is arranged at the front end of the pulverizer.
Preferably, the eucalyptus bark recycling system further comprises a crushing and dedusting device; the crushing and dust removing device is connected with the crusher through the bark conveying equipment or the crushed bark conveying equipment or the bark powder conveying equipment.
The invention discloses a processing method of a eucalyptus bark recycling processing system, which comprises the following steps of:
S1: and (3) starting equipment: starting the eucalyptus bark recycling processing system to enable each functional unit to be in a starting state;
s2: wood peeling: feeding fresh eucalyptus wood into the peeler, which peels off eucalyptus bark on the surface of the eucalyptus wood;
s3: eucalyptus Pi Cuqie: the eucalyptus bark is fed into the rough cutting machine to be mostly cut into crushed barks with the length of 10-50 mm;
S4: crushing eucalyptus bark: the crushed barks are sent into the crusher to be crushed into eucalyptus bark powder;
S5: briquetting and molding eucalyptus bark powder: the eucalyptus bark powder is fed into the briquetting machine and pressed into a compact square.
Preferably, the processing method of the eucalyptus bark recycling processing system further comprises the steps that eucalyptus bark peeled by the peeler in S2 and S3 is conveyed into the rough cutter through conveying equipment;
S4, conveying the crushed barks into the pulverizer through conveying equipment;
s4, adding nitrogen substances for adjusting the carbon-nitrogen ratio before the crushed barks enter the crusher;
and S5, conveying the eucalyptus bark powder into the briquetting and forming machine through conveying equipment.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the eucalyptus bark recycling processing system and the processing method have at least one of the following advantages and beneficial effects:
Firstly, the problem that eucalyptus bark is stably and efficiently crushed into bark powder to meet the requirement of the extrusion granulation fineness of an organic fertilizer or a biomass sintered material is solved;
secondly, the problems of too fluffiness, low compactness, inconvenient shipment and too high transportation cost before and after processing eucalyptus bark are solved;
Thirdly, the problems of drying eucalyptus bark, controlling water content and improving the utilization value are solved;
Fourthly, the problems of time and region dislocation existing in regulation generation and utilization are solved, and the eucalyptus bark is stored and transported in a large range.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
Fig. 1 is a schematic front view of a structure according to a first embodiment of the present invention.
Fig. 2 is a schematic front view of a structure of a second embodiment of the present invention.
Fig. 3 is a schematic front view of the structure of the third embodiment of the present invention.
[ Main element symbols description ]
1: Peeling machine 2: rough cutting machine
3: Pulverizer 4: briquetting machine
5: Bark conveying apparatus 6: crushed bark conveying equipment
7: Bark powder conveying device 8: stacking/loading equipment
9: Auxiliary material adding device 10: crushing and dedusting device.
Detailed Description
In order to further describe the technical means and effects adopted by the invention to achieve the preset aim, the following detailed description refers to the specific implementation, structure, characteristics and effects of the eucalyptus bark recycling processing system and the processing method according to the invention by combining the accompanying drawings and the preferred embodiments.
Embodiment one:
Referring to fig. 1, the eucalyptus bark recycling processing system according to the first embodiment of the present invention mainly comprises a barking machine 1, a rough cutting machine 2, a pulverizer 3, a briquetting machine 4, a bark conveying device 5, a broken bark conveying device 6 and a bark powder conveying device 7; the bark conveying device 5 is installed below the barking machine 1 in a connecting way; the rough cutting machine 2 is connected and arranged at the output end of the bark conveying equipment 5; the bark crushing conveying equipment 6 is connected and arranged below the rough cutting machine 2; the pulverizer 3 is connected and arranged at the output end of the bark crushing conveying equipment 6; the bark powder conveying device 7 is connected and arranged below or behind the pulverizer 3; the briquetting machine 4 is connected and arranged at the output end of the bark powder conveying equipment 7.
The rough cutting machine 2 is a single-roller shredder; the pulverizer 3 is a screenless hammer pulverizer; the bark conveying device 5 and the bark crushing conveying device 6 are belt conveyors; the bark powder conveying device 7 is a shaftless screw conveyor.
Embodiment two:
Referring to fig. 2, the eucalyptus bark recycling system according to the second embodiment of the present invention is similar to the first embodiment, and differs from the first embodiment only in that:
In order to meet the larger eucalyptus bark processing, the rough cutting machine 2 is a twin roll shredder. In order to improve the operation efficiency, reduce the use of manpower and labor intensity, reduce the comprehensive production cost, the rear end connection of briquetting machine 4 is installed and can be realized the automatic pile up neatly of cubic eucalyptus bark powder, the pile up neatly/loading equipment 8 of loading operation.
Embodiment III:
referring to fig. 3, the eucalyptus bark recycling system according to the third embodiment of the present invention is similar to the first embodiment, and the difference is that:
In order to facilitate adding auxiliary materials such as nitrogen, strains and the like for adjusting the carbon nitrogen ratio into eucalyptus bark powder, an auxiliary material adding device 9 is arranged at the front end of the pulverizer 3; the auxiliary material adding device 9 automatically adds auxiliary materials such as nitrogen, strains and the like onto the crushed barks on the crushed bark conveying equipment 6 according to a set weight ratio, and the crushed barks are conveyed into the pulverizer 3 for pulverization through the crushed bark conveying equipment 6, so that uniform mixing with eucalyptus bark powder is realized.
In order to avoid dust scattering and realize clean and environment-friendly production operation, the system is provided with a crushing and dedusting device 10; the crushing dust removing device 10 is connected with the crusher 3 through the bark powder conveying equipment 7, wherein the bark powder conveying equipment 7 is a shaftless screw conveyor, the crusher 3 and the crushing dust removing device 10 are arranged above the shaftless screw conveyor, a discharge port of the crusher 3 is communicated with an air inlet and an ash removing hopper of the crushing dust removing device 10, and during operation, the crushing dust removing device 10 collects dust generated during crushing of the crusher 3 through the shaftless screw conveyor.
The processing method of the eucalyptus bark recycling processing system comprises the following steps:
S1: and (3) starting equipment: starting the eucalyptus bark recycling processing system to enable each functional unit to be in a starting state;
S2: wood peeling: feeding fresh eucalyptus wood into the peeler 1, wherein the peeler 1 peels off eucalyptus bark on the surface of the eucalyptus wood;
S3: eucalyptus Pi Cuqie: the eucalyptus bark is fed into the rough cutting machine 2 to be mostly cut into crushed barks with the length of 10-50 mm;
s4: crushing eucalyptus bark: the crushed barks are sent into the crusher 3 to be crushed into eucalyptus bark powder;
S5: briquetting and molding eucalyptus bark powder: the eucalyptus bark powder is fed into the briquetting machine 4 and pressed into a compact square.
In a specific embodiment of the processing method of the eucalyptus bark recycling processing system, the processing method comprises the following specific steps:
S1: and (3) starting equipment: starting the eucalyptus bark recycling processing system to enable each functional unit to be in a starting state;
S2: wood peeling: feeding fresh eucalyptus wood into the peeler 1, wherein the peeler 1 peels off eucalyptus bark on the surface of the eucalyptus wood;
S3: eucalyptus Pi Cuqie: the eucalyptus bark is conveyed into the rough cutting machine 2 by the bark conveying equipment 5 arranged below the barking machine 1 to be cut into broken barks with the length of 10-50 mm;
S4: crushing eucalyptus bark: the crushed barks are conveyed into the pulverizer 3 by the crushed barks conveying equipment 6 arranged below the rough cutting machine 2 to be crushed into eucalyptus bark powder;
S5: briquetting and molding eucalyptus bark powder: the eucalyptus bark powder is conveyed by the bark powder conveying equipment 7 arranged below the pulverizer 3 into the briquetting machine 4 to be pressed into compact blocks with the specification of 60cm multiplied by 40cm multiplied by 35cm, and the compact blocks are transported to an organic fertilizer plant at a remote distance to be used as a raw material for producing organic fertilizer by fermentation.
Another embodiment of the processing method of the eucalyptus bark recycling processing system of the present invention is similar to the previous embodiment, and differs only in that:
In order to accelerate the softening and decomposition of eucalyptus bark powder by microorganisms during storage so as to obtain more ideal fertilizer efficiency when the microorganisms are used as raw materials for producing organic fertilizer in a subsequent fermentation mode, urea with a proportion of 1% is added before the crushed bark is conveyed into the pulverizer 3 by the crushed bark conveying equipment 6 in S4, and after the crushed bark is crushed by the pulverizer 3, the urea is crushed together and uniformly mixed into the eucalyptus bark powder, and the carbon-nitrogen ratio of the eucalyptus bark powder is adjusted to a more reasonable interval.
The present invention is not limited to the preferred embodiments, and the present invention is described above in any way, but is not limited to the preferred embodiments, and any person skilled in the art will appreciate that the present invention is not limited to the embodiments described above, while the above disclosure is directed to various equivalent embodiments, which are capable of being modified or varied in light of the above teachings, it is contemplated that any and all simple modifications, equivalent changes, and alterations made to the above embodiments in accordance with the teachings of the present disclosure will still fall within the scope of the appended claims.
Claims (2)
1. A eucalyptus bark recycling system is characterized in that: comprises a peeling machine, a rough cutting machine, a pulverizer, a briquetting and forming machine, an auxiliary material adding device and a pulverizing and dedusting device; the rough cutting machine is connected and arranged at the rear end of the peeling machine; the pulverizer is connected and arranged at the rear end of the rough cutting machine; the briquetting forming machine is connected and arranged at the rear end of the pulverizer; the rear end of the briquetting and forming machine is connected with stacking/loading equipment capable of realizing automatic stacking and loading operation of the block-shaped eucalyptus bark powder;
Bark conveying equipment is connected and installed between the barking machine and the rough cutting machine, the rough cutting machine is connected and installed at the output end of the bark conveying equipment, and the bark conveying equipment is connected and installed below the barking machine; and
The coarse cutter is connected with the pulverizer, the bark crushing conveying equipment is connected and arranged below the coarse cutter, and the pulverizer is connected and arranged at the output end of the bark crushing conveying equipment; and
Bark powder conveying equipment is further connected and installed between the pulverizer and the briquetting machine, the bark powder conveying equipment is a shaftless screw conveyor, the bark powder conveying equipment is connected and installed below or behind the pulverizer, the briquetting machine is connected and installed at the output end of the bark powder conveying equipment, and a feeding channel of the briquetting machine is arranged at the front section of the compaction space;
the auxiliary material adding device is arranged at the front end of the pulverizer and is used for automatically adding nitrogen, strains and urea to the crushed bark on the crushed bark conveying equipment according to a set weight ratio;
The crushing and dust removing device is connected with the crusher through the bark conveying equipment or the crushed bark conveying equipment or the bark powder conveying equipment, and the bark conveying equipment and the crushed bark conveying equipment are belt conveyors;
The pulverizer and the pulverizing and dust removing device are arranged above the shaftless screw conveyor, and a discharge port of the pulverizer is communicated with an air inlet of the pulverizing and dust removing device and the ash removing hopper;
wherein the rough cutting machine is a multi-roller shredder, and the shredder is a screenless hammer mill for crushing bark into eucalyptus bark powder;
The proportion of urea is 1%.
2. A processing method of the eucalyptus bark recycling processing system according to claim 1, characterized in that: which comprises the following steps:
S1: and (3) starting equipment: starting the eucalyptus bark recycling processing system to enable each functional unit to be in a starting state;
s2: wood peeling: feeding fresh eucalyptus wood into the peeler, which peels off eucalyptus bark on the surface of the eucalyptus wood; the eucalyptus bark peeled by the peeler is conveyed into the rough cutting machine through conveying equipment;
S3: eucalyptus Pi Cuqie: the eucalyptus bark is conveyed into the rough cutting machine by the bark conveying equipment arranged below the barking machine to be mostly cut into broken barks with the length of 10-50 mm;
S4: crushing eucalyptus bark: before crushed barks are sent into the crusher to be crushed into eucalyptus bark powder, nitrogen, strains and urea are automatically added onto the crushed barks on the crushed barks conveying equipment according to a set weight ratio through the auxiliary material adding device arranged at the front end of the crusher, and the crushed barks are conveyed into the crusher to be crushed through the crushed barks conveying equipment, so that the carbon-nitrogen ratio of the eucalyptus bark powder is uniformly adjusted;
S5: briquetting and molding eucalyptus bark powder: the eucalyptus bark powder is conveyed into the briquetting machine by the bark powder conveying equipment arranged below the pulverizer to be pressed into a compact square with the specification of 60cm multiplied by 40cm multiplied by 35 cm; the stacking/loading equipment connected and installed at the rear end of the briquetting machine 4 is used for automatically stacking and loading the block-shaped eucalyptus bark powder;
wherein the proportion of urea is 1%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110547619.4A CN113246251B (en) | 2021-05-19 | 2021-05-19 | Eucalyptus bark recycling processing system and processing method |
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| CN202110547619.4A CN113246251B (en) | 2021-05-19 | 2021-05-19 | Eucalyptus bark recycling processing system and processing method |
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| CN113246251B true CN113246251B (en) | 2024-08-20 |
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| CN102120332A (en) * | 2010-12-15 | 2011-07-13 | 东莞市慧达环保有限公司 | Sawdust briquetting machine |
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| CN108162102A (en) * | 2016-12-07 | 2018-06-15 | 中国中轻国际工程有限公司 | A kind of technique and system for being used to produce glued board biomass active filler |
| CN207616812U (en) * | 2017-12-19 | 2018-07-17 | 国家林业局桉树研究开发中心 | A kind of environment-friendly type timber processing apparatus |
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