CN106398792A - Firing technology of high-quality machine-made bamboo biomass charcoal rods - Google Patents
Firing technology of high-quality machine-made bamboo biomass charcoal rods Download PDFInfo
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- CN106398792A CN106398792A CN201610764166.XA CN201610764166A CN106398792A CN 106398792 A CN106398792 A CN 106398792A CN 201610764166 A CN201610764166 A CN 201610764166A CN 106398792 A CN106398792 A CN 106398792A
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- Prior art keywords
- kiln
- temperature
- carbonization
- bamboo biomass
- oxygen supply
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
-
- 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
Abstract
The invention discloses a firing technology of high-quality machine-made bamboo biomass charcoal rods. The method comprises steps as follows: a, machine-made bamboo biomass rods extruded by an extruder at the high temperature are stacked in a kiln; b, manual kiln sealing and ignition are performed; c, intermittent oxygen supply is performed on the machine-made bamboo biomass rods at 50-750 DEG C with an earth kiln sectioned carbonized method, low-temperature carbonization is performed, and the carbonization process sequentially comprises four stages including drying, pre-carbonization, carbonization and refinement; d, the refined machine-made bamboo biomass charcoal rods are cooled twice through water spraying, the temperature is adjusted to 60 DG C or below, the kiln is opened and cooled, and the charcoal rods are taken out; e, the cooled machine-made bamboo biomass charcoal rods are subjected to humidifying treatment. Compared with the prior art, the firing technology has the advantages that the machine-made pure bamboo biomass charcoal rods are taken as raw materials, the low-temperature sectioned carbonization and high-temperature quick refinement methods are adopted, volatile components are thoroughly volatized, the charcoal rods are hard in character, have high combustion value and have no smoke, odors or toxins during combustion.
Description
Technical field
The present invention relates to a kind of carbon rod method for cooking, more particularly, to a kind of high-quality bamboo biomass mechanism carbon rod fire work
Skill.
Background technology
In the face of the becoming increasingly conspicuous the problems such as destruction of fossil energy fuel crises and global ecological environment, exploitation is reproducible
The biomass clean energy has become the Main way of world today's economy of energy development.China is that a biomass resource produces greatly
State, various biomass resource very abundants, such as agricultural crop straw and forestry residue.Traditional utilization of these biomass resources
Mode is direct burning or open incineration, not only causes the shortcomings of energy conversion efficiency is low, and resource consumption is big, and to ring
Subtle impact is caused in border.
Barbecue, the cooking method of mankind's most original, and continue up to today, it is to produce with fuel heating sky is dried
Gas, and food to be heated in the position that food is positioned in hot dry air a relatively thermal source.Modern society, roasts mode
Also gradually variation, barbecue itself also becomes a kind of many people's party amusement and recreation modes or is commercial sources.Though Asia,
America and Europe, barbecue typically little to family, greatly to collective activity and some incorporate collective activities of school.Make
For roasting this thermal source, charcoal for roasting is environmental protection, reproducible economical energy resources.
Charcoal is a kind of new type charcoal of China's Introduced from Japan technological development before and after 1989, is the one of Linesless charcoal
Kind.Develop into now with sawdust, bamboo scraps, cotton stalk, rice husk, Pericarppium arachidis hypogaeae, bagasse, furfural dregs, branch etc. any one or more
For raw material, the regenerative resource Carbon Materials through high temperature extruding forming, carbonization, alternative conventional charcoal uses, and is described as " new
The generation energy ".Than conventional charcoal there is regular shape, intensity height, good, uniform, the resistance to combustion of heat conductivity, not quick-fried ash the advantages of, because
And become the main source of charcoal for roasting.
In recent years, people have been begun one's study and have been burnt using the biological material production mechanism such as forest tree castoff and agricultural crop straw
The method of roasting charcoal, such as Chinese patent (patent publication No.：CN 103421571 A) disclose using bamboo charcoal or Linesless charcoal or straw charcoal
Powdered carbon and binding agent (causticity starch, carboxymethyl cellulose, dextrin, water 3: 1: 3: 4) be mixed and made into finished product.Chinese patent is (specially
Sharp publication number：CN 1081202 A) disclose a kind of Novel barbecue charcoal producing technique, it mainly has oxidant, charcoal element, coal and glues
, it is characterised in that oxidant Ca (NO3) 2 and two kinds of materials of KNO3, accounting about 35%～50%, its technique is main for knot agent composition
There are mixing, kneading, molding, dry several processes.Chinese patent (patent publication No.：CN 1097022A) disclose one kind and light
Harmless charcoal for roasting, its feature is without poisonous combustion adjuvant, smokeless when lighting, free from extraneous odour, nuisanceless, and carbon block is divided into ignition layer
(coal dust, charcoal powder, strontium nitrate, potassium nitrate, binding agent) and body layer (coal dust, slag, binding agent), is shaped as box-shaped, and four
While being distributed with circle and cross-hole.
China have the title of " bamboo kingdom ", and bamboo wood is a kind of aboundresources of China, have a very wide distribution, fast growth
Biomass resource, is the important potential source biomolecule matter resource of the exploitation bamboo wood solid biomass energy.At present with regard to using the life of pure bamboo wood
The information producing material charcoal for roasting is little.Domestic and international production mechanism carbon at present, in order to pursue that carbon-point ratio of briquetting is high, easily light, high
Charcoal rate, with short production cycle, do not make carbon-point reach refining stage when firing, usual carbonization temperature is usually 300-500 DEG C
Under the conditions of carry out, this cause the volatilization of machine-made carbon volatile matters not exclusively, binding agent may produce harmful substance, Ke Neng in burning
Deposit density big in the case of situations such as cause spontaneous combustion, the too fast, caloric value of burning high.
Low-temperature carbonization is adopted, in order to improve char yield rate, carbon rod is without too high in existing biomass mechanism carbon rod production process
Warm refine, not exclusively, secondly a lot of techniques are related to the chemistry such as binding agent, detonator, combustion adjuvant to lead to volatile matters volatilization in carbon rod
Article, also volatilize not exclusively when low-temperature carbonization, and this will lead to the noxious substance discharge when using exceeded, to food or
Person is directly harmful, and cost increases in process of production.
Content of the invention
The purpose of the present invention is that offer one kind solves the above problems.
To achieve these goals, the technical solution used in the present invention is：A kind of high-quality bamboo biomass mechanism carbon rod
Burning process, method and step is as follows,
A. the machine-made stick palletization of the bamboo biomass extruded by extruder high temperature extrusion is entered in kiln；
B. artificial kiln, igniting；
C. adopt earth kiln segmentation charring, bamboo biomass machine-made stick is interrupted oxygen supply between temperature 50-750 DEG C, carries out
Low-temperature carbonization, carbonisation is divided into drying, pre- carbonization, carbonization and refine four-stage；
Dry, pre- carbonization, carbonization and refine four-stage are as follows,
It is dried, kiln temperature is slowly increased to 190 DEG C about from 50, period interruption oxygen supply makes bamboo biomass machine-made stick carry out
Slowly it is dried, this process persistently makes slow, the abundant evaporation of Free water, desirably prevents the cracking of rod and entering of pre- carbonization stage
OK；
Pre- carbonization, kiln temperature is controlled and carries out pre- carbonization to 220 ± 3 DEG C, and hemicellulose starts to decompose, and this process continues
For a period of time, hemicellulose is slowly decomposed, and then slow oxygen supply, kiln temperature is controlled between 230-240 DEG C, reaches
To hemicellulose decomposition temperature, after continuing for some time, volatile matters sufficiently volatilize, and hemicellulose fully slowly decomposes；Control
Oxygen supply amount, kiln temperature is controlled at 240-250 DEG C, and slowly heated up carbonization, so that cellulose decomposition is started, and this process holds one
The section time, cellulose is made slowly to start to decompose；Then increase oxygen supply amount, kiln temperature is controlled at 280 ± 3 DEG C, and reaches wood
Quality decomposition temperature, after this process continues for some time, makes lignin slowly decompose；Then increase oxygen supply amount, by kiln temperature
Rise to 340 ± 10 DEG C, cellulose decomposition finishes；Slowly decomposition prevents from decomposing too fast product to carry out cellulose, hemicellulose, lignin
Raw a large amount of gases；
Carbonization, then increases oxygen supply amount, kiln temperature is risen to 450 ± 5 DEG C and carries out high temperature carbonization, lignin has decomposed
Finish；
Refine, continues to increase oxygen supply amount, kiln temperature is rapidly increased to 750 DEG C, envelope kiln cooling.
The good carbon-point of refine is cooled down, kiln temperature is quickly cooled to 440 ± 10 DEG C, then carried out fast for the first time
Fast water-spraying control, when dropping temperature to 240 ± 10 DEG C, seals kiln transpiring moisture, temperature is fallen after rising；Then exist in temperature constant
Carry out second spray cooling when 240 ± 10 DEG C, when being cooled to 170 ± 5 DEG C, envelope kiln transpiring moisture, humidity discharging；Then open kiln cooling
To less than 60 DEG C kiln discharges.
E. by the conditioned process of bamboo biomass mechanism carbon rod after cooling, moisture control is less than 4%.
Preferably, described bamboo biomass adopt pure bamboo processing residue taking bamboo crumbs as raw material, bamboo biomass extrusion mechanism rod
A size of 50cm × 5cm × 5cm, centre have the club shaped structure running through circular cavity of diameter 1.8cm, and average weight is
1.25Kg, moisture content is less than 5%.
Preferably, the size of described kiln is 3.35m depth, 2.2m width, the high 1.4m in side, middle high 1.85m, above for arch：Kiln
Door a size of 1m width, the high 1.2m in side, middle high 1.6m, above for arch, wicket stays a lighting-up tuyere, an oxygen supply mouth.
Compared with prior art, it is an advantage of the current invention that：It is raw material using pure bamboo biomass machine-made stick, divided using low temperature
Section carbonization, the method for the rapid refine of high temperature, thoroughly make volatile matters volatilization completely, make carbon rod quality hard, fuel value is high, burning makes
Used time is smokeless, the five tastes, nontoxic.Produce a kind of energy-saving and environmental protection using bamboo surplus material of processing, the high bamboo biomass machine of caloric value
Charcoal for roasting processed.The performance of this fuel can meet the performance requirement of US and European standard, can produce preferable economic benefit, environment
Benefit and social benefit.When this product uses, caloric value is high, and ash is low, meets environmental protection requirement, is that China has commercialization
The biomass solid fuel of potentiality to be exploited, has preferable economic benefit, social benefit and environmental benefit.
Specific embodiment
The invention will be further described below.
Embodiment 1：A kind of burning process of high-quality bamboo biomass mechanism carbon rod, method and step is as follows,
A. the machine-made stick palletization of the bamboo biomass extruded by extruder high temperature extrusion is entered in kiln；
B. artificial kiln, wicket stays a lighting-up tuyere, an oxygen supply mouth；The size of described kiln be 3.35m depth, 2.2m width,
The high 1.4m in side, middle high 1.85m, above for arch；Wicket a size of 1m width, the high 1.2m in side, middle high 1.6m, above for arch；
C. adopt earth kiln segmentation charring, bamboo biomass machine-made stick is interrupted under oxygen supply condition between temperature 50-750 DEG C
Carry out low-temperature carbonization, carbonisation is followed successively by drying, pre- carbonization, carbonization and refine four-stage, obtains mechanism carbon rod；
It is dried, kiln temperature is slowly increased to 190 DEG C about from 50, period interruption oxygen supply makes bamboo biomass machine-made stick carry out
Slowly it is dried, this process persistently makes slow, the abundant evaporation of Free water, desirably prevents the cracking of rod and entering of pre- carbonization stage
OK.
Pre- carbonization, kiln temperature is controlled and carries out pre- carbonization to 220 ± 3 DEG C, and hemicellulose starts to decompose, and this process continues
One day；Then slow oxygen supply, kiln temperature is controlled between 230-240 DEG C, and reaches hemicellulose decomposition temperature, fully enter
The volatilization of row volatile matters, fully decomposes hemicellulose, and this process continues one day；Then kiln temperature is controlled at 240-250 DEG C,
Slowly heated up carbonization, so that cellulose decomposition is started, and this process continues one day；Then increase oxygen supply amount, by kiln temperature control
System is at 280 ± 3 DEG C, and reaches lignin decomposition temperature, and this process continues one day；Then increase oxygen supply amount, by kiln temperature liter
To 340 ± 10 DEG C, cellulose decomposition finishes, and this process continues one day；
Carbonization, then increases oxygen supply amount, kiln temperature is risen to 450 ± 5 DEG C and carries out high temperature carbonization, lignin has decomposed
Finish, this process continues one day；
Refine, continues to increase oxygen supply amount, kiln temperature is rapidly increased to 750 DEG C, envelope kiln cooling, and this process continues one day.
D. the good carbon-point of refine is cooled down, kiln temperature is quickly cooled to 440 ± 10 DEG C, then carried out for the first time
Quick water-spraying control, when dropping temperature to 240 ± 10 DEG C, seals kiln transpiring moisture, temperature is fallen after rising；Then in temperature constant
Carry out second spray cooling when 240 ± 10 DEG C, when being cooled to 170 ± 5 DEG C, envelope kiln transpiring moisture, humidity discharging；Then open kiln cold
But to less than 60 DEG C kiln discharges.
E. by the conditioned process of bamboo biomass mechanism carbon rod after cooling, moisture control is below 5%
Described bamboo biomass adopt pure bamboo processing residue taking bamboo crumbs as raw material, bamboo biomass extrusion mechanism rod a size of 50cm
× 5cm × 5cm, centre have the club shaped structure running through circular cavity of diameter 1.8cm, and average weight is 1.25Kg, and moisture content is low
In 5%.The moisture content of bamboo biomass mechanism carbon rod is less than 4%.More than DIN《Wooden Biomass granular fuel》Middle regulation
Commercial biomass granular fuel combustion heat value (17500J/g) minimum requirements：
Bamboo wood is to be made up of cellulose, hemicellulose, lignin three major types compound, and wherein hemicellulose accounts for 14%-
25%, cellulose accounts for 40%-60%, and lignin accounts for 16%-34%, and three's decomposition temperature is respectively 200-250 DEG C, 240-350
DEG C, 280-500 DEG C.This technique as reference, is controlled each temperature section temperature retention time and heating rate, to make with each component proportion
Obtain charcoal rate and reach optimization.Domestic have many bamboo processing enterprises at present, is distributed in Fujian, Zhejiang, Hunan, Sichuan one band, bamboo scraps
It is the main industrial wood waste of such enterprise, directly not only utilization rate is low for burning, and causes environmental pollution, energy waste.This
Invention, in bamboo biomass barbecue carbon rod sintering procedure, collects bamboo tar, Bamboo vinegar solution simultaneously, and directly utilizes volatile combustion
Bamboo scraps are dried, make energy reach peak use rate.The residue being conducive to bamboo processing enterprise is processed, and improves bamboo processing enterprise profit
Profit, reduces environmental pollution.
Above detailed Jie is carried out to a kind of burning process of high-quality bamboo biomass mechanism carbon rod provided by the present invention
Continue, specific case used herein is set forth to the principle of the present invention and embodiment, the explanation of above example is only
It is to be used to help understand the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, send out according to wood
Bright thought, all will change in specific embodiments and applications, and the change to the present invention and improvement will be can
Can, without the spirit and scope beyond accessory claim defined, in sum, this specification content should not be construed as
Limitation of the present invention.
Claims (5)
1. a kind of burning process of high-quality bamboo biomass mechanism carbon rod it is characterised in that：Method and step is as follows,
A. the machine-made stick palletization of the bamboo biomass extruded by extruder high temperature extrusion is entered in kiln；
B. artificial kiln, igniting；
C. adopt earth kiln segmentation charring, bamboo biomass machine-made stick is interrupted oxygen supply between temperature 50-750 DEG C, carries out low temperature
Carbonization, carbonisation is divided into drying, pre- carbonization, carbonization and refine four-stage；
D. by bamboo biomass mechanism carbon rod good for refine, carry out water-spraying control, homoiothermic to less than 60 DEG C twice and open kiln and cool down and take
Go out；
E. by the conditioned process of bamboo biomass mechanism carbon rod after cooling, moisture control is less than 5% about.
2. according to claim 1 it is characterised in that：In step c, dry, pre- carbonization, carbonization and refine four-stage are such as
Under,
It is dried, kiln temperature is slowly increased to 190 DEG C about from 50, period interruption oxygen supply makes bamboo biomass machine-made stick carry out slowly
It is dried, make slow, the abundant evaporation of Free water；
Pre- carbonization, kiln temperature is controlled and carries out pre- carbonization to 220 ± 3 DEG C, and hemicellulose starts to decompose, and this process continues one section
Time, cellulose is made slowly to be decomposed；After fully decomposing, slow oxygen supply, kiln temperature is controlled between 230-240 DEG C,
Reach hemicellulose decomposition temperature, after continuing for some time, volatile matters sufficiently volatilize, and hemicellulose fully slowly decomposes；Control
Oxygen supply amount processed, kiln temperature is controlled at 240-250 DEG C, and slowly heated up carbonization, so that cellulose decomposition is started, and this process is held
For a period of time, cellulose is made slowly to start to decompose；Then increase oxygen supply amount, kiln temperature is controlled at 280 ± 3 DEG C, and reaches
Lignin decomposition temperature, after this process continues for some time, makes lignin slowly decompose；Then increase oxygen supply amount, by kiln interior temperature
Degree rises to 340 ± 10 DEG C, and cellulose decomposition finishes；
Carbonization, then increases oxygen supply amount, kiln temperature is risen to 450 ± 5 DEG C and carries out high temperature carbonization, lignin decomposition finishes；
Refine, continues to increase oxygen supply amount, kiln temperature is rapidly increased to 750 DEG C, envelope kiln cooling.
3. a kind of high-quality bamboo biomass mechanism carbon rod according to claim 2 burning process it is characterised in that：Step
In d, cooled down, kiln temperature is quickly cooled to 440 ± 10 DEG C, then carry out quick water-spraying control for the first time, make temperature
When dropping to 240 ± 10 DEG C, seal kiln transpiring moisture, temperature is fallen after rising；Then carry out when temperature constant is at 240 ± 10 DEG C
Secondary spray cooling, when being cooled to 170 ± 5 DEG C, envelope kiln transpiring moisture, humidity discharging；Then open kiln and be cooled to less than 60 DEG C kiln discharges.
4. a kind of high-quality bamboo biomass mechanism carbon rod according to claim 1 burning process it is characterised in that：Described
Bamboo biomass adopt pure bamboo processing residue taking bamboo crumbs as raw material, bamboo biomass extrusion mechanism rod a size of 50cm × 5cm × 5cm,
There is the club shaped structure running through circular cavity of diameter 1.8cm centre, and average weight is 1.25Kg.
5. a kind of high-quality bamboo biomass mechanism carbon rod according to claim 1 burning process it is characterised in that：Described
The size of kiln is 3.35m depth, 2.2m width, the high 1.4m in side, middle high 1.85m, above for arch；Wicket a size of 1m width, the high 1.2m in side,
Middle high 1.6m, above for arch, wicket stays a lighting-up tuyere, an oxygen supply mouth.
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| CN201610764166.XA CN106398792A (en) | 2016-08-31 | 2016-08-31 | Firing technology of high-quality machine-made bamboo biomass charcoal rods |
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| CN201610764166.XA CN106398792A (en) | 2016-08-31 | 2016-08-31 | Firing technology of high-quality machine-made bamboo biomass charcoal rods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676574A (en) * | 2018-07-16 | 2018-10-19 | 四川大宇中和农业科技发展有限公司 | A kind of aerobic carbonization decomposition method of biomass and its device |
| CN109097131A (en) * | 2018-08-21 | 2018-12-28 | 芜湖聚焰生物质能源科技有限公司 | A kind of preprocess method preparing biomass fuel bamboo scraps |
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| CN101029236A (en) * | 2007-02-12 | 2007-09-05 | 浙江省林业科学研究院 | Self-ignition machined rod carbonization and carbonized kiln |
| CN104293407A (en) * | 2014-10-16 | 2015-01-21 | 湖南城头山农林开发有限公司 | Solid bamboo charcoal stick and production method thereof |
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2016
- 2016-08-31 CN CN201610764166.XA patent/CN106398792A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029236A (en) * | 2007-02-12 | 2007-09-05 | 浙江省林业科学研究院 | Self-ignition machined rod carbonization and carbonized kiln |
| CN104293407A (en) * | 2014-10-16 | 2015-01-21 | 湖南城头山农林开发有限公司 | Solid bamboo charcoal stick and production method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676574A (en) * | 2018-07-16 | 2018-10-19 | 四川大宇中和农业科技发展有限公司 | A kind of aerobic carbonization decomposition method of biomass and its device |
| CN108676574B (en) * | 2018-07-16 | 2023-11-03 | 四川大宇中和农业科技发展有限公司 | Biomass aerobic carbonization decomposition method and device thereof |
| CN109097131A (en) * | 2018-08-21 | 2018-12-28 | 芜湖聚焰生物质能源科技有限公司 | A kind of preprocess method preparing biomass fuel bamboo scraps |
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