CN108059160A - A kind of carbonizing apparatus used in the production method and this method of bamboo charcoal - Google Patents
A kind of carbonizing apparatus used in the production method and this method of bamboo charcoal Download PDFInfo
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- CN108059160A CN108059160A CN201711189371.9A CN201711189371A CN108059160A CN 108059160 A CN108059160 A CN 108059160A CN 201711189371 A CN201711189371 A CN 201711189371A CN 108059160 A CN108059160 A CN 108059160A
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- bamboo
- charing
- bamboo charcoal
- production method
- hypoxemia
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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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0909—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
- C10J2300/092—Wood, cellulose
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1215—Heating the gasifier using synthesis gas as fuel
-
- 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
Abstract
The present invention relates to the carbonizing apparatus used in the production method and the production method of a kind of bamboo charcoal.The production method includes：Feedstock processing：Bamboo wood is shredded, caustic soda impregnates, dries and crushes, acquisition bamboo wood powder；Charing：The bamboo wood powder is first subjected to flash hypoxemia charing, then carries out anoxybiotic charing；Heat exchange cooling：Product after charing is subjected to heat exchange cooling under oxygen-free environment, product after cooling is the first bamboo charcoal powder；Conversion：First bamboo charcoal powder in graphitizing furnace is converted, obtains the second bamboo charcoal powder；Shaping：Second bamboo charcoal powder and binding agent are mixed, molding mass is made；Electric heating carbonizes：Molding mass is subjected to electric heating charing；Steam activation：Product after electric heating is carbonized carries out steam activation, obtains bamboo charcoal.The bamboo charcoal of superhigh specific surface area, high iodine sorption value and high intensity, and also recyclable synthesis gas, bamboo tar and bamboo acetic acid by-product can be made using this method.The carbonizing apparatus can be widely used for other biomass carbonated.
Description
Technical field
The present invention relates to the carbonizing apparatus used in field of material technology more particularly to the production method and this method of bamboo charcoal.
Background technology
Bamboo charcoal be using bamboo wood as raw material through high temperature carbonization into a kind of charcoal.Bamboo charcoal has loose porous structure,
Molecule is fine and closely woven porous, and quality is hard.Bamboo charcoal has very strong adsorption capacity, can purify air, to eliminate peculiar smell, moisture absorption mould proof, antibacterial
Expelling parasite；It can dry absorbing sweat with human contact, promote blood circulation of human body and metabolism, fatigue-relieving.In addition, bamboo charcoal gap
Degree is high, is highly suitable as the carrier of edaphon and organic nutrition composition, is a kind of good to enhance soil vitality
Soil improvement material.Bamboo charcoal also has weak inductive, can play the role of antistatic and shielding electromagnetic radiation, be military
The important source material of protection.
The bamboo charcoal preparation method of the prior art is mostly traditional dry distillation reactor tank batch production.Used in this method
Carbonization temperature is usually no more than 900 DEG C, and the specific surface area for causing produced bamboo charcoal is small.Moreover, the above method it is seriously polluted,
Labor productivity is low.
How to realize that bamboo wood rapidly and efficiently carbonizes and cycle clean manufacturing, batch production is promoted to bamboo wood powder
Whole air-flow conveying realizes that pipeline system continuously runs and reaches Xun Huan cleaning production requirement, while prepares superelevation specific surface
The bamboo charcoal of long-pending, high iodine sorption value and high intensity is technical problem solved by the invention.
The content of the invention
(1) technical problems to be solved
For the above problem existing for existing bamboo charcoal production method, the present invention provides a kind of superhigh specific surface area, high iodine
Carbonizing apparatus used in the circulation clean production method and method of adsorptive value and high intensity bamboo charcoal.
(2) technical solution
In order to solve the above technical problem, the present invention provides following technical solutions：
A kind of production method of bamboo charcoal, the production method include the following steps：
Feedstock processing：Bamboo wood is shredded, caustic soda impregnates, dries and crushes, acquisition bamboo wood powder；
Charing：The bamboo wood powder is first subjected to flash hypoxemia charing, then carries out anoxybiotic charing；
Heat exchange cooling：Product after charing is subjected to heat exchange cooling under oxygen-free environment, product after cooling is the first bamboo
Powdered carbon；
Conversion：First bamboo charcoal powder in graphitizing furnace is converted, obtains the second bamboo charcoal powder；
Shaping：Second bamboo charcoal powder and binding agent are mixed, molding mass is made；
Electric heating carbonizes：Molding mass is subjected to electric heating charing；With
Steam activation：Product after electric heating is carbonized carries out steam activation, obtains bamboo charcoal.
Preferably：The step of production method further includes by-product recovery；The step of by-product recovery, includes：
The gas overflowed in carbonization is collected, the gas is condensed, obtains synthesis gas, bamboo tar and bamboo acetic acid；
And/or
The gas in electric heating carbonization process is collected, gas is condensed, obtains bamboo tar.
Preferably：The production method further includes the step of recycling；Described the step of recycling, includes：
Using synthesis gas as fuel, partly to carry out the flash hypoxemia charing, partly carrying out the steam work
Change；
Using all or part of bamboo tar as bonding agent, to prepare the molding mass；And/or
The thermal energy that the heat exchange cooling step generates is recycled, and thermal energy is delivered to feedstock processing step, to carry out institute
State drying.
Preferably：Heat source used in the flash hypoxemia charing is heated through level-one heating and two level and obtained；
The level-one heating carries out as follows：Air is heated by the use of the synthesis gas of recycling as fuel；
The two level heating carries out as follows：Through burning, acquisition carries air and fossil fuel after heating
The gas of thermal energy is as heat source.
To obtain optimal charred effect and highest carbonization yield, it can also cancel secondary firing machine, by single-stage combustion machine
Nitrogen (N is directly heated with fuel or synthesis gas, bamboo tar2), so as to obtain high temperature nitrogen as heat source.
Preferably：The process conditions of flash hypoxemia charing are：Carbonization temperature is 800~1000 DEG C, and carbonization time is
3~20s, and for carrying out being provided with oxygen concentration monitoring device in the device of the flash hypoxemia charing, utilize the prison
It surveys device and is controlled inputting for carrying out oxygen concentration in the hot wind in the device of the flash hypoxemia charing below 3%；
And/or
The process conditions of anoxybiotic charing are：Carbonization temperature is 800~1000 DEG C, and carbonization time is 20~60min.
Preferably：The temperature of first bamboo charcoal powder obtained after the heat exchange cooling is no more than 60 DEG C；
The temperature of the conversion is at 1200~2500 DEG C；
The process conditions of electric heating charing are：Carbonization temperature is 350~500 DEG C, and carbonization time is 0.5~1.5h, and
And in logical N2Under conditions of carry out the electric heating charing；And/or
The process conditions of the steam activation are：Activation temperature is 800~1000 DEG C, and soak time is 2~6h.
Preferably：The amount ratio of second bamboo charcoal powder and the binding agent is 1：(0.5~1).
Preferably：The length of the bamboo wood after the chopping is controlled as 3~50mm, width is 3~50mm, thickness for 1~
10mm；
The water content of bamboo wood after control drying is no more than 3%；
The grain size of the bamboo wood powder is controlled to be no more than 3mm.
Preferably：The concentration of the caustic-soda aqueous solution of immersion is 10~20%, when soaking time is 8~24 small, and will
Liquid Residue after immersion is filtered and purifies, the water after collection and purification, for preparing caustic-soda aqueous solution.
The present invention also provides the carbonizing apparatus used in a kind of aforementioned production method, the carbonizing apparatus includes：Flash is low
The middle and upper part in oxygen carbonizing tower and anoxybiotic charing storehouse, the upper end of the flash hypoxemia carbonizing tower and anoxybiotic charing storehouse passes through company
It threads a pipe and communicates；The flash hypoxemia carbonizing tower includes tower body, is arranged on the hot-wind inlet of the tower body lower end and bamboo wood powder enters
Mouthful；The anoxybiotic charing storehouse includes warehouse, the bamboo charcoal powder outlet for being arranged on the warehouse bottom, is arranged at the top of the warehouse
Gas vent.
The flash hypoxemia carbonizing tower and anoxybiotic charing storehouse liner refractory ceramics or inner-wall spraying fire resistant anticorrosive apply
Layer.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that：
1st, due to the bamboo wood powder light specific gravity after drying and crushing, easily raised by hot wind, disguise in flash hypoxemia charcoal
Put it is interior carbonized through 800~1000 DEG C, 3~20 seconds quick hypoxemia, afterwards in anoxybiotic carbonizing apparatus through 800~1000 DEG C, 20~
Continue within 60 minutes the charing of high temperature anoxybiotic, the thermal efficiency is very high and charing is uniform；Whole process is conveyed by hot-air flow, efficient, environmental protection,
Safety.The overflowed gas of charing is cooled and separated acquisition synthesis gas, bamboo acetic acid and bamboo tar, synthesis gas or bamboo tar and returns
It returns single-stage combustion machine and high temperature super heated steam generator recycles.Heat exchange is cooled to any one that bamboo charcoal does not contact oxygen
Heat exchange mode, it is ensured that bamboo charcoal not oxidational losses, the thermal energy recycled return to baking operation and recycles, and realize continuous automatic
Metaplasia is produced and DCS or PLC is controlled, and substantially increases labor productivity.Xun Huan profit can be achieved in thermal energy, synthesis gas and bamboo tar
Waste liquid after being impregnated with, caustic soda is filtered, purification, realizes water circulation use, row up to standard after single-stage combustion tail gas is purified
It puts, the carbon negativity for having reached biomass resource utilizes and cycle clean manufacturing.
2nd, with reproducible biomass high specific surface bamboo charcoal fossil energy product oil calcined coke is replaced to be used as Acheson
The insulation material of graphitizing furnace obtains superhigh specific surface area bamboo after 1200 DEG C~2500 DEG C high-temperature process of acheson furnace
Charcoal had both expanded the utilization ways of bamboo charcoal, also provided superhigh specific surface area, high iodine sorption value for national economy and war industry
Electromagnetism, biochemistry and radiation protection raw material superhigh specific surface area, high iodine sorption value and high intensity bamboo charcoal with high intensity.
3rd, in the present inventive method, chopping process is set before baking, peasant household is stored up convenient for bamboo material and shreds on the spot,
Not only automobile had been facilitated to load and unload and transport, but also has been conducive to rural area employment and increase wealth, also can ensure that bamboo material to after factory in good
Good natural air drying state.
Description of the drawings
Fig. 1 is the flow diagram of preparation method provided by the invention；
Fig. 2 is the structure diagram of carbonizing apparatus provided by the invention；
In figure：1：Tower body；2：Warehouse；3：Hot-wind inlet；4：Bamboo wood powder entrance；5：Connecting pipe；6：Gas vent；7：
Bamboo charcoal powder exports.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
The technical solution of invention is clearly and completely described.Obviously, described embodiment is the part of the embodiment of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
All other embodiments obtained on the premise of dynamic, belong to the scope of protection of the invention.
The present invention provides a kind of production method of bamboo charcoal, as shown in Figure 1, the production method includes the following steps：
(1) feedstock processing step：Bamboo wood is shredded, caustic soda impregnates, dries and crushes.Growth period may be selected three in bamboo wood
Year or more mao bamboon, cizu, hardhead bamboo grove, Lei Zhu etc..Bamboo wood growth period is longer, and the yield of bamboo charcoal is higher, and ash content is lower, product
Matter is also more preferable.When user has content of ashes limitation to bamboo charcoal, in addition to the raw material bamboo wood for selecting growth period length, also can be used
Method removes bamboo charcoal ash content.Irony such as is removed with hydrochloric acid method, siliceous, water soluble method removal alkali metal oxidation is removed with soda processes
Object etc..Chemical method removal ash content effect is good, and ash content removal rate reaches more than 90%, and does not have to the iodine sorption value and intensity of bamboo charcoal
Have an impact, also slightly promoted.Chopping both can be in factory or preposition to outside factory.It is 10~20% that concentration is used after bamboo wood chopping
When sodium hydrate aqueous solution immersion 8~24 is small, caustic soda makes cellulose cell expansion by bamboo material surface capillary, accelerates wood
Element comes off, and reduces carbohydrate and lignin in bamboo material, and protects cellulose and hemicellulose.It is obtained after chopping
The size of the sheet bamboo wood obtained can be controlled in of length no more than 50mm, be preferably 3~50mm, and width is no more than 50mm, preferably
For 3~50mm, thickness is preferably 1~10mm.Moisture content is less than or equal to 3% after drying, and moisture is lower, easier crushing, and
It can prevent powder from luming.The grain size of bamboo wood after crushing is no more than 3mm.Grain size is smaller, and charred effect is better, the ratio of product
Surface area is smaller, but can increase crushing cost, can be by size controlling in 1~3mm.In addition, in order to realize Xun Huan cleaning life
Production, the Liquid Residue after can caustic soda be impregnated are filtered and purify, and by purified water to prepare soda bath, realize
Water recycles, moreover it is possible to avoid pollution caused by caustic soda.
(2) carbonization：It will treated that raw material first carries out the charing of flash hypoxemia that (be otherwise known as flash eddy flow hypoxemia charcoal
Change), then carry out anoxybiotic charing.
Fig. 2 show the structure diagram of the carbonizing apparatus used in the present invention.Carbonizing apparatus includes flash hypoxemia carbonizing tower
Storehouse is carbonized with anoxybiotic.The upper end in the upper end of the flash hypoxemia carbonizing tower and anoxybiotic charing storehouse passes through 5 phase of connecting pipe
It is logical；The flash hypoxemia carbonizing tower includes tower body 1, the hot-wind inlet 3 for being arranged on the tower body lower end and bamboo wood powder entrance 4；Institute
Stating anoxybiotic charing storehouse includes warehouse 2, the bamboo charcoal powder outlet 7 for being arranged on the warehouse bottom, is arranged at the top of the warehouse
Gas vent 6.Flash hypoxemia carbonizing tower flows in opposite directions after bamboo wood powder is mixed with hot wind forms heat exchange, and reaches moment charcoal
Change, be to ensure fully heat exchange, decompose, improve the process equipment of bamboo charcoal quality.Common bamboo charcoal carbonization temperature is 700~900 DEG C,
And the carbonization temperature in production method of the present invention, up to 1000 DEG C, degree of refining reaches highest 0 grade.Charring degree is higher, resistance value
Smaller, refining angle value is smaller, and specific surface area is bigger.Bamboo wood powder is raised with high-temperature low-oxygen hot wind, in flash hypoxemia carbonizing tower
Inside twist rise (shown in Fig. 2 dotted lines), be 3~20 seconds by the time of flash hypoxemia carbonizing tower, be less than in oxygen concentration
The oxidational losses of carbon is very under conditions of 3% (such as 1~3%, design parameter value can pass through DCS or PLC control system is set)
It is limited, after bamboo wood powder enters anoxybiotic charing storehouse 2 with high-temperature low-oxygen hot wind, since the wind sectional area of crossing in anoxybiotic charing storehouse expands
Greatly, wind speed reduces rapidly, and bamboo wood powder declines and is gradually deposited at anoxybiotic charing orlop portion (shown in Fig. 2 dark parts), with
The increase of bamboo wood powder ulking thickness, the oxygen concentration between bamboo wood powder is more and more lower, causes in anoxybiotic environment, through 800~
1000 DEG C, the charing of 20~60 minutes anoxybiotics ensure the charred effect of bamboo wood powder.Bamboo charcoal after heat preservation charing is through bamboo charcoal powder
7 output of outlet.Oxygen concentration on-Line Monitor Device is provided in flash hypoxemia carbonizing tower.It will be inputted using the monitoring device
It is controlled for carrying out oxygen concentration in the hot wind in the device of the flash hypoxemia charing below 3%：When the monitoring device
When detecting that oxygen content is higher than setting value (i.e. 0~3% setting value) in the hot wind of input, that is, signal is sent, receives signal
System DCS or PLC control system stop input bamboo wood powder raw material and send audible and visible alarm.The setting value of oxygen concentration is got over
Low, flash hypoxemia charred effect is better, but also higher to the efficiency of combustion and control accuracy requirement of combustor.In some implementations
In example, oxygen concentration on-Line Monitor Device is by system DCS or PLC control system, when oxygen content is higher than 1.5% in tail gas also
The input of secondary firing machine hot-air can be reduced automatically, to reduce the oxygen content in the tail gas that burns or increase secondary firing
The quantity delivered of machine fuel.
The flash hypoxemia charing gas overflowed with anoxybiotic charing is separated through the input condenser of gas vent 5 and synthesized
Gas, bamboo tar and bamboo acetic acid.Synthesis gas or bamboo tar return to single-stage combustion machine and downstream high temperature superheated steam generator as combustion
Material uses.Bamboo tar is the biomass fuel, industrial chemicals and insecticide raw material of natural reproducible.The bamboo tar of the present invention is made
Recycling is also realized for binding agent.Bamboo acetic acid is rich in nearly 300 kinds of organic acid, phenols, ketone, aldehydes, esters, alcohols etc.
High-molecular compound wherein there is 80 kinds of ingredients agriculturally having sterilizing function, to control of crop disease, promotes plant growth,
Keep crop activity and quality, improve drug effect, to prevent that early ageing, improvement soil etc. from having effects that apparent, be widely used in city
Farm's animal wastes deodorization of township's environmental improvement and compost deodorization protect nitrogen.
Heat source used in the flash hypoxemia charing is heated through level-one heating and two level and obtained；Level-one heating according to
Following manner carries out：Air is heated by the use of the synthesis gas of recycling as fuel, main purpose is to reduce the fuel of secondary firing machine
Dosage.Single-stage combustion machine uses indirect heat exchange air, and tail gas main component is CO2And H2O, SO2Content about 2.5mg/m3,
Without NOXIt generates, tail gas is after bag-type dust recycling 99%, emptying up to standard.The two level heating carries out as follows：Add
Air and fossil fuel after heat is through burning, and the gas with thermal energy of acquisition is as heat source (hot wind i.e. mentioned above).Stone
Heavy oil, bio oil, natural gas, coal generating gas, biogas, metallurgy or chemical industry tail gas etc. can be selected by changing fuel, also can be directly with other
The high-temperature residual heat wind of the low harmful substances such as the hypoxemia low-sulfur that process units generates is warm as derived from graphitizing furnace flue gas manifold
(such hot wind oxygen content is extremely low (less than 1%), after dedusting, such as wind and the metallurgical furnace of unclosed operation, flue gas coming from carbide furnace
Temperature is inadequate, then is heated up with the synthesis gas or bamboo tar of the present invention through single-stage combustion machine).
To obtain optimal charred effect and highest carbonization yield, it can also cancel secondary firing machine, by single-stage combustion machine
Nitrogen (N is directly heated with fuel or synthesis gas, bamboo tar2), so as to obtain high temperature nitrogen as heat source.
(3) exchange heat cooling step：Product after charing is subjected to heat exchange cooling, product after cooling under oxygen-free environment
For the first bamboo charcoal powder.It exchanges heat and cools down through anoxybiotic, high-specific surface area bamboo charcoal is made.After heat exchange cooling the temperature of bamboo charcoal to be less than or
Equal to 60 DEG C.Temperature is higher, is not easy to transport into graphitizing furnace, can also increase oxidational losses.It is certainly too low to be also not necessarily to,
Cooling time can be increased.Heat exchange is cooled to any heat exchange mode that bamboo charcoal does not contact oxygen.Such as with water, cold air and its
The indirect heat exchange mode of its medium.Heat exchange cools down recycled thermal energy and is used for raw material stoving.When system starts, due to not having
Bamboo charcoal exchanges heat, it is impossible to recycle thermal energy, at this moment can use the low moisture raw material elder generation input coefficient of natural air drying, treat that bamboo charcoal exchanges heat
Being formed can normal operation after cycling.By the obtained bamboo charcoal of the charing of nearly 1000 DEG C of flash hypoxemia and anoxybiotic charing and generally
Less than the 900 DEG C obtained bamboo charcoals of charing are compared, and volatile matter more reduces, and meets and does Acheson's stone instead of after-smithing petroleum coke
The volatile matter content requirement of inkization stove insulation material.
1000~1700m of BET specific surface area of the first obtained bamboo charcoal powder2/ g is fully achieved and better than GB/T26913-
2011《Bamboo charcoal》、GB/T 21819-2008《Geography symbol product Suichang bamboo charcoal》、GB/T 26900-2011《Air purification is used
Bamboo charcoal》、GB/T 28669-2012《Fuel bamboo charcoal》、GB/T 30365-2013《Bedding bamboo charcoal》、LY/T 2144-2013
《Air purification bamboo charcoal bag》With CJ/T 345-2010《Drinking Water water purification station-service coaly activated carbon》Own etc. existing
Country and professional standard.For the Carbon yield of bamboo wood up to more than 30%, bamboo vinegar acid recovering rate is higher than 95%.
In order to realize the purpose of Xun Huan clean manufacturing, in some embodiments, recycle what the heat exchange cooling step generated
Thermal energy, and thermal energy is delivered to feedstock processing step, to carry out the drying.
(4) step of converting：First bamboo charcoal powder in graphitizing furnace is converted, obtains the second bamboo charcoal powder.It obtains
The second bamboo charcoal powder BET specific surface area be not less than 1500m2/g.Carbosphere graphitization prepares lithium cell cathode material at present
When, conversion temperature far surpasses 2800 DEG C, reaches 3500 DEG C, the first bamboo charcoal powder is in graphitizing furnace closer to the part temperature of the stove heart
Degree is higher, reach 2500 DEG C and more than, for the part away from the stove heart also at 1200 DEG C or more, mean temperature is 1800 DEG C or so,
That is the conversion temperature of the first bamboo charcoal powder is not a constant number, but in 1200~2500 DEG C of this sections, it obtains
The specific surface area of the second bamboo charcoal powder be average, actually close to the stove heart the second bamboo charcoal powder specific surface area higher, far
Bamboo charcoal powder specific surface area from the stove heart is lower slightly.Resistivity with the reduction bamboo charcoal of the rise and oxygen content of carbonization temperature declines
Rate is also clearly.As the high-specific surface area bamboo charcoal for replacing acheson furnace calcined coke insulation material, through 7 days and
1200 DEG C~2500 DEG C high temperature anoxybiotic conversions, volume further reduce, and density, iodine sorption value and intensity further increase, into
For superhigh specific surface area bamboo charcoal.Existing graphitizing furnace is being located in outlying carbon mainly using oil calcined coke as insulation material
Material enterprise, logistics cost is high, if using high-specific surface area bamboo charcoal oil calcined coke is replaced to be used as acheson furnace
Insulation material, not only reduce the operating cost of carbon material enterprise, also expanded the utilization ways of the renewable bamboo charcoal of biomass, had
Beneficial to the increase wealth of shaking off poverty of vast farmers.
(5) forming step：Second bamboo charcoal powder and binding agent are mixed, molding mass is made.Binding agent used can be back
The bamboo tar of receipts can also select the one or more in modified starch, bamboo tar, coal tar, phenolic resin.Described second
The amount ratio of bamboo charcoal powder and the binding agent is 1：(0.5~1).High pressure roller or extruding may be selected in molding method, after shaping
Shape can select any one of rodlike, block or pelletizing shape, concrete shape depends primarily upon the user demand of bamboo charcoal.
(6) electric heating carbonization：Molding mass is subjected to electric heating charing.The essence of electric heating nitrogen charging charing is removing bamboo tar.
Electric heating nitrogen charging carbonization time is longer, and decoking effect is better.The process conditions of electric heating charing are：Carbonization temperature for 350~
500 DEG C, carbonization time is 0.5~1.5h, and in logical N2Under conditions of carry out the electric heating charing.Electric heating is collected to carbonize
Gas in journey, gas is condensed, and obtains bamboo tar by-product.
(7) steam activation step：Product after electric heating is carbonized carries out steam activation, obtains bamboo charcoal.The steam activation
Process conditions be：Activation temperature is 800~1000 DEG C, and soak time is 2~6h.
The intensity that superhigh specific surface area, high iodine sorption value and high-strength bamboo powdered carbon are made by above step is not less than 90
~100%, iodine sorption value is not less than 1100mg/g, and BET specific surface area is not less than 1500m2/ g, so as to be national economy and army
Thing industry provides good electromagnetism, biochemistry and radiation protection raw material.
It should be added that preparing bamboo charcoal using traditional destructive distillation pyrolysismethod, its preparation method includes the following steps：
Bamboo wood is cut off, is fitted into vertical retort and fires, temperature is 800 DEG C, and when carbonization time is 72 small, bamboo charcoal is obtained after cooling
Product.It in carbonization process, collects and overflows gas, recycle synthesis gas, bamboo tar and bamboo acetic acid after cooling.
Using the bamboo charcoal powder heaping weight that this method obtains less than 400g/L, BET specific surface area is again smaller than 600m2/ g, and
Can only one tank of a tank batch production, it is impossible to continuous pipeline system operation, efficiency is low, and environmental issue protrudes.
The method of the present invention is further widely applied to the fruits shell such as rice husk, coconut husk, peanut shell and prepares superhigh specific surface area, height
Iodine sorption value and high intensity activated carbon, by-product synthesis gas and bio oil.The method for preparing high-specific surface area bamboo charcoal powder cancels caustic soda
After impregnating process, carbonized with 450 DEG C~650 DEG C flash hypoxemia charings and 450 DEG C~600 DEG C heat preservation anoxybiotics, be also applied for wood
Material, agricultural crop straw, biomass industrial waste (such as vinasse, vinegar grain), house refuse etc. prepare charcoal, synthesis gas and life
Object oil.The method for preparing high-specific surface area bamboo charcoal powder cancels chopping and caustic soda immersion process, and drying is broken up in drying process use
Machine is carbonized with 450 DEG C~850 DEG C flash hypoxemia charings and 450 DEG C~800 DEG C heat preservation anoxybiotics, is also applied for animal wastes, life
The biochemical sludge of sewage treatment plant's discharge living, part industrial sludge etc. prepare charcoal, synthesis gas and bio oil.Its charcoal
About 11%~20%, bio oil about 10%~18%, synthesis gas about 30%~55%, remaining as ash content, volatile matter and other
Solid impurity.Such charcoal calorific value is coal-fired higher than common, and (such as humic acids bonds the common organic binder bond of addition coal dust
The biomass such as agent or modified starch binding agent) fuel can be done after briquetting.
With reproducible timber, agricultural crop straw, biomass industrial waste (such as vinasse, vinegar convenient for industrialization processing
Grain etc.), house refuse, animal wastes, sewage treatment plants discharge biochemical sludge and part industrial sludge prepare charcoal
It repairs and promotes the retain water and nutrients of soil, adsorb and reduce heavy metal pollution, adjustment soil acid-base equilibrium is effective does
One of method.It is broadcast for ease of applying for charcoal, utilizes high adsorption and organic fertilizer and nitrogen, phosphorus, potassium inorganic fertilizer and the day of charcoal
Uniformly new organic-inorganic is made in rear granulation drying to right binding agent (such as sepiolite powder, bentonite in powder and silicate) mixture
Composite slow-release fertilizer.Such slow-release fertilizer is applied with base fertilizer or top dressing after broadcasting, charcoal in soil, organic matter, nitrogen, phosphorus, potassium, silicon,
The aggregations such as calcium, magnesium gradually form artificial black earth to a certain extent, and such as world-renowned South America Amazon is manually black
Soil.
It is the embodiment that the present invention enumerates below.
Embodiment 1
As shown in Figure 1, certain biomass new material science-and-technology enterprise, it is (aqueous to factory to process 5 years raw 40000 tons of more than mao bamboons year
Rate average value is 15%), mao bamboon is felled and chopping entrusts local rural area bamboo Specialty Co-operative Organization to undertake, and sheet is former after chopping
Material size is 3mm~50mm × 3 mm~50mm, thickness 1mm~10mm.It is water-soluble for 15% sodium hydroxide through concentration after to factory
Liquid impregnate 24 it is small when, then 150 DEG C of air cookings 45 minutes with recycling are dried to moisture content and are less than 0.6%, grain size after crushing
100 mesh are greater than or equal to 85%.Then through 1000 DEG C, flash hypoxemia charing in 3 seconds and 950 DEG C, anoxybiotic charing in 60 minutes, then use
High superficial area bamboo of 55 DEG C of obtained 200 mesh of grain size more than or equal to 85% is cooled to by the heat exchange of medium pipeline formula of cold air
10000 tons of powdered carbon, the charing of flash hypoxemia carbonize the overflowed condensed device of gas with anoxybiotic and separate, and recycle synthesis gas 11,900,000
Nm3, 12500 tons of 2000 tons of bamboo tar and bamboo acetic acid.
By wherein 8500 tons of high-specific surface area bamboo charcoal powders through acheson furnace instead of after-smithing petroleum coke do insulation material into
For one step through innermost layer not less than 2500 DEG C, superhigh specific surface area bamboo charcoal powder is made not less than 1200 DEG C of pyrolytic conversions in outermost layer
8000 tons.The heaping weight of superhigh specific surface area bamboo charcoal powder averagely reaches 450g/L, BET specific surface area averagely reaches 1500m2/g。
Petroleum coke insulation material is replaced with the first bamboo charcoal powder, can not only reduce the use of petroleum coke, but also superelevation ratio can be obtained
Surface area bamboo charcoal powder.
3000 tons of addition bamboo tar in 8000 tons of superhigh specific surface area bamboo charcoal powders are broken through being squeezed into 40mm × 40mm again
The strip in face, 500 DEG C, 2 it is small when the charing of electric heating nitrogen charging, 950 DEG C, 6 it is small when superhigh specific surface area is made in steam activation, high iodine is inhaled
Assignments and high intensity bamboo charcoal.The heaping weight of superhigh specific surface area, high iodine sorption value and high intensity bamboo charcoal is not less than 450g/L, strong
Degree is not less than 1500m not less than 95%, iodine sorption value not less than 1100mg/g, BET specific surface area2/g.Bamboo coke is recycled simultaneously
Oil is realized and recycled.
Enterprise's fuel uses natural gas, uses 3,500,000 m of natural gas in year3, produce superhigh specific surface area, high iodine sorption value per year
With 3000 tons of high intensity bamboo charcoal, 5000 tons of superhigh specific surface area bamboo charcoal powder, 1500 tons of high-specific surface area bamboo charcoal powder, by-product bamboo coke
12500 tons of 1900 tons of oil and bamboo acetic acid.11,900,000 Nm of synthesis gas3All recycle.Wherein 8500 tons of high-specific surface area bamboo charcoals
Powder substitutes the after-smithing petroleum coke insulation material of equivalent.
Recycle 11,900,000 Nm of synthesis gas3, all Xun Huan supply single-stage combustion machine and high temperature super heated steam generator are as combustion
Material.The emptying up to standard after bag filter dedusting of the tail gas of combustor.
The production system is controlled using DCS, nitrogen making machine, high-temperature steam generator, the electric heating nitrogen charging charcoal of main system and auxiliary
Change tank and bamboo tar recovery system, electric power system access DCS system.Oxygen concentration is provided in flash hypoxemia carbonizing tower to exist
Line monitoring device, and secondary firing machine input high-temperature hot-air in oxygen content be higher than 1.5% when, i.e., it is chain stop input bamboo wood
Powder raw material simultaneously sends audible and visible alarm.And the input of secondary firing machine hot-air is reduced automatically, while increase the combustion of secondary firing machine
The quantity delivered of material.
Embodiment 2
Certain bamboo cooperative society manages bamboo charcoal enterprise by oneself, and 12500 tons of year processing triennial more than cizu is (to factory's moisture content average value
For 20%), sheet-shaped material size is 3mm~50mm × 3 mm~50mm, thickness 1mm~10mm after chopping.Through concentration after to factory
For 20% sodium hydrate aqueous solution impregnate 24 it is small when, then with the 180 DEG C of air cookings 30 minutes recycled, be dried to moisture content
Less than 2%, grain size is less than 1mm after crushing.Then carbonized through 950 DEG C, flash hypoxemia charing in 7 seconds and 900 DEG C, 50 minutes anoxybiotics,
60 DEG C of obtained 50 mesh of grain size are cooled to more than or equal to 65% high superficial area bamboo for the heat exchange of medium pipeline formula to cold air again
3000 tons of powdered carbon, the charing of flash hypoxemia carbonize the overflowed condensed device of gas with anoxybiotic and separate, and recycle synthesis gas 3,400,000
Nm3, 3500 tons of 550 tons of bamboo tar and bamboo acetic acid.
Enterprise's fuel uses heavy oil, uses 550 tons of heavy oil in year, produces 3000 tons of high-specific surface area bamboo charcoal powder, by-product bamboo per year
3500 tons of 550 tons of tar and bamboo acetic acid.3,400,000 Nm of synthesis gas3All recycling Xun Huan supply single-stage combustion machine is as fuel.Burning
Tail gas emptying up to standard after bag filter dedusting.
The production system is controlled using PLC.Oxygen concentration on-Line Monitor Device is provided in flash hypoxemia carbonizing tower, and
When oxygen content is higher than 1.8% in the high-temperature hot-air of secondary firing machine input, i.e., the chain input bamboo wood powder raw material that stops concurrently being spoken
Light alarm.And the input of secondary firing machine hot-air is reduced automatically, while increase the quantity delivered of secondary firing machine fuel.
Embodiment 3
Certain industrial park bamboo charcoal enterprise, year processing triennial more than hardhead bamboo grove 20000 tons (to factory's moisture content 15% or so),
Mao bamboon is felled and chopping entrusts local rural area bamboo Specialty Co-operative Organization to undertake, and sheet-shaped material size is 3mm~50mm after chopping
× 3mm~50mm, thickness 1mm~10mm.After to factory through the sodium hydrate aqueous solution that concentration is 17% impregnate 24 it is small when, then use
200 DEG C of air cookings of recycling 25 minutes are dried to moisture content less than 1.5%, and 100 mesh of grain size is greater than or equal to after crushing
65%.Then through 900 DEG C, the charing of 5 seconds flash hypoxemia and 850 DEG C, anoxybiotic charing in 80 minutes, then to cold air it is medium tube
Road formula heat exchange is cooled to 50 DEG C of obtained 200 mesh of grain size more than or equal to 5000 tons of 65% high-specific surface area bamboo charcoal powder, flash hypoxemia
It carbonizes the gas condensed device overflowed with anoxybiotic charing to separate, 6,000,000 Nm of recycling synthesis gas3, 1000 tons of bamboo tar and bamboo
6000 tons of acetic acid.
It is further that 5000 tons of high-specific surface area bamboo charcoal powders through acheson furnace are done into insulation material instead of after-smithing petroleum coke
Through innermost layer not less than 2500 DEG C, superhigh specific surface area bamboo charcoal powder is made not less than 1200 DEG C of pyrolytic conversions in outermost layer.By superelevation
Specific surface area bamboo charcoal powder presses 1:The bamboo tar of 1 addition recycling through being squeezed into the strip of φ 35mm, through 380 DEG C, 2.5 it is small when electric heating
Nitrogen charging charing, 950 DEG C, 4 it is small when steam activation 5000 tons of superhigh specific surface area bamboo charcoal powder is made.Wherein, diameter 3.5cm long 5
2000 tons of 2000 tons of the cylinder charcoal of~15cm, 1000 tons of the broken carbon of 2~3.5cm and 3~5mm granulated carbons.
Enterprise's fuel uses the tail gas of attachment chemical metallurgy enterprise, and main component is CO, calorific value for 2900 kilocalories/
Kg, year use 5,000,000 Nm of chemical metallurgy tail gas3, produce 5000 tons of superhigh specific surface area bamboo charcoal powder per year, 950 tons of by-product bamboo tar and
6000 tons of bamboo acetic acid.6,000,000 Nm of synthesis gas3All Xun Huan supply single-stage combustion machine and high temperature super heated steam generator are as combustion
Material.The emptying up to standard after bag filter dedusting of the tail gas of burning.
The production system is controlled using DCS, nitrogen making machine, high-temperature steam generator, the electric heating nitrogen charging charcoal of main system and auxiliary
Change tank and bamboo tar recovery system, electric power system access DCS system.Oxygen concentration is provided in flash hypoxemia carbonizing tower to exist
Line monitoring device, and secondary firing machine input high-temperature hot-air in oxygen content be higher than 1.6% when, i.e., it is chain stop input bamboo wood
Powder raw material simultaneously sends audible and visible alarm.And the input of secondary firing machine hot-air is reduced automatically, while increase the combustion of secondary firing machine
The quantity delivered of material.
Embodiment 4
Certain destructor plant cancels caustic soda using the method for preparing high-specific surface area bamboo charcoal powder of the present invention and impregnates process
Afterwards, 25000 tons of house refuse of year processing (to factory's moisture content 20% or so), prepares charcoal and bio oil.Specific method is：
By appearance and size it is larger house refuse chopping after sheet-shaped material size be 3mm~50mm × 3mm~50mm, thickness 1mm~
10mm with 180 DEG C of air cookings 25 minutes of recycling, is dried to moisture content less than 0.5%, grain size is less than 1mm after crushing.So
It is changed by 650 DEG C, flash hypoxemia charing in 10 seconds and 600 DEG C, anoxybiotic charing in 40 minutes, then to cold air for medium pipeline formula
Heat is cooled to 60 DEG C of obtained 50 mesh of grain size more than or equal to 65% biological 3000 tons of powdered carbon, the charing of flash hypoxemia and anoxybiotic charing
The condensed device separation of gas overflowed, 7,500,000 m of recycling synthesis gas3, 3000 tons of bio oil.
Embodiment 5
Cancel chopping using the method for preparing high-specific surface area bamboo charcoal powder of the present invention and caustic soda impregnates process, back tender
Drying machine, year processing animal wastes, the biochemical sludge and part industrial sludge of sewage treatment plants discharge are broken up in sequence use
50000 tons (to factory's average moisture content 45% or so), prepare charcoal and bio oil.Specific method is：With 180 DEG C of recycling
Hot wind use breaks up drying machine by raw material stoving to moisture content less than 0.5%, and grain size is less than 1mm after crushing.Then through 750 DEG C,
Flash hypoxemia charing in 15 seconds and 700 DEG C, anoxybiotic charing in 40 minutes, then to cold air 60 are cooled to for the heat exchange of medium pipeline formula
DEG C obtained 50 mesh of grain size is greater than or equal to 65% biological 3000 tons of powdered carbon, and the charing of flash hypoxemia and anoxybiotic carbonize overflowed gas
The condensed device separation of body, 7,500,000 Nm of recycling synthesis gas3, 3000 tons of bio oil.
Fuel uses heavy oil, uses 500 tons of heavy oil, all recycling Xun Huan supply I and II burnings of 6000 tons of bio oil year
Machine is as fuel.15,000,000 Nm obtained3Synthesis gas input refuse-burning plant power generation.
Slow-release fertilizer is made in biological powdered carbon addition N, P, K fertilizer and binding agent granulating and drying obtained.The slow-release fertilizer may be used also
Soil aggregate structure is substantially improved, increases water conservation, fertilizer-preserving ability, adsorbs and reduce heavy metal pollution, adjustment soil acid-base is put down
Weighing apparatus.If things go on like this, charcoal aggregation to a certain extent, that is, gradually forms artificial black earth.
The production system is controlled using DCS.Oxygen concentration on-Line Monitor Device is provided in flash hypoxemia carbonizing tower, and
When oxygen content is higher than 1.2% in the high-temperature hot-air of secondary firing machine input, i.e., the powder raw material of chain stopping input drying is concurrent
Go out audible and visible alarm.And the input of secondary firing machine hot-air is reduced automatically, while increase the quantity delivered of secondary firing machine fuel.
Embodiment 6
Certain rural industries merges leading enterprise, is cancelled using the method for preparing high-specific surface area bamboo charcoal powder of the present invention and burnt
After alkali impregnates process, year processing stalk, fire wood, 20000 tons of leftover pieces of timber processing (to factory's moisture content 15% or so), system
Standby charcoal and bio oil.Specific method is：It is by sheet-shaped material size after stalk, fire wood, timber processing leftover pieces chopping
3mm~50mm × 3mm~50mm, thickness 1mm~10mm with 150 DEG C of air cookings 45 minutes of recycling, are dried to moisture content
Less than 1%, grain size is less than 1mm after crushing.Then carbonized through 600 DEG C, flash hypoxemia charing in 6 seconds and 550 DEG C, 40 minutes anoxybiotics,
60 DEG C of obtained 50 mesh of grain size are cooled to more than or equal to 65% biological powdered carbon 3500 for the heat exchange of medium pipeline formula to cold air again
Ton, the charing of flash hypoxemia carbonize the overflowed condensed device of gas with anoxybiotic and separate, 9,300,000 Nm of recycling synthesis gas3, bio oil
3500 tons.
The enterprise uses farm's biogas as fuel, year 300000 Nm of usage amount3, 9,300,000 Nm of synthesis gas made from this project3
All recycling Xun Huan supply I and II combustor is as fuel.The commercially available fertile agricultural chemicals enterprise of obtained 3500 tons of bio oil does original
Material.
The dihydrogen phosphite potassic fertilizer and 8% sepiolite powder binding agent granulating and drying of biological powdered carbon addition 5%, which are made, to be had
Kill the multifunctional slow-release fertilizer of a variety of harmful bacterias in soil.The slow-release fertilizer can also improve soil aggregate structure, increase water conservation, protect
Fertile ability is adsorbed and reduces heavy metal pollution, adjusts soil acid-base equilibrium.If things go on like this, charcoal is assembled to a certain extent,
Namely gradually form artificial black earth.
The production system is controlled using PLC.Oxygen concentration on-Line Monitor Device is provided in flash hypoxemia carbonizing tower, and
When oxygen content is higher than 1.5% in the high-temperature hot-air of secondary firing machine input, i.e., the powder raw material of chain stopping input drying is concurrent
Go out audible and visible alarm.And the input of secondary firing machine hot-air is reduced automatically, while increase the quantity delivered of secondary firing machine fuel.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technical solution
Spirit and scope.
Claims (10)
1. a kind of production method of bamboo charcoal, it is characterised in that：The production method includes the following steps：
Feedstock processing：Bamboo wood is shredded, caustic soda impregnates, dries and crushes, acquisition bamboo wood powder；
Charing：The bamboo wood powder is first subjected to flash hypoxemia charing, then carries out anoxybiotic charing；
Heat exchange cooling：Product after charing is subjected to heat exchange cooling under oxygen-free environment, product after cooling is the first bamboo charcoal powder；
Conversion：First bamboo charcoal powder in graphitizing furnace is converted, obtains the second bamboo charcoal powder；
Shaping：Second bamboo charcoal powder and binding agent are mixed, molding mass is made；
Electric heating carbonizes：Molding mass is subjected to electric heating charing；With
Steam activation：Product after electric heating is carbonized carries out steam activation, obtains bamboo charcoal.
2. production method according to claim 1, it is characterised in that：The production method further includes the step of by-product recovery
Suddenly；The step of by-product recovery, includes：
The gas overflowed in carbonization is collected, the gas is condensed, obtains synthesis gas, bamboo tar and bamboo acetic acid；And/or
The gas in electric heating carbonization process is collected, gas is condensed, obtains bamboo tar.
3. production method according to claim 2, it is characterised in that：The production method further includes the step recycled
Suddenly；Described the step of recycling, includes：
Using synthesis gas as fuel, partly to carry out the flash hypoxemia charing, partly carrying out the steam activation；
Using all or part of bamboo tar as bonding agent, to prepare the molding mass；And/or
The thermal energy that the heat exchange cooling step generates is recycled, and thermal energy is delivered to feedstock processing step, to carry out the baking
It is dry.
4. production method according to claim 3, it is characterised in that：Heat source used in the flash hypoxemia charing adds through level-one
Heat and two level are heated and obtained；
The level-one heating carries out as follows：Air is heated by the use of the synthesis gas of recycling as fuel；
The two level heating carries out as follows：For air and fossil fuel after heating through burning, acquisition carries thermal energy
Gas as heat source.
5. production method according to claim 1, it is characterised in that：The process conditions of flash hypoxemia charing are：Charcoal
It is 800~1000 DEG C to change temperature, and carbonization time is 3~20s, and is centered for carrying out the dress of the flash hypoxemia charing
There is oxygen concentration monitoring device, will input to carry out heat in the device of flash hypoxemia charing using the monitoring device
Oxygen concentration control is below 3% in wind；And/or
The process conditions of anoxybiotic charing are：Carbonization temperature is 800~1000 DEG C, and carbonization time is 20~60min.
6. production method according to claim 1, it is characterised in that：First bamboo obtained after the heat exchange cooling
The temperature of powdered carbon is no more than 60 DEG C；
The temperature of the conversion is at 1200~2500 DEG C；
The process conditions of electric heating charing are：Carbonization temperature is 350~500 DEG C, and carbonization time is 0.5~1.5h, and
Logical N2Under conditions of carry out the electric heating charing；And/or
The process conditions of the steam activation are：Activation temperature is 800~1000 DEG C, and soak time is 2~6h.
7. production method according to claim 3, it is characterised in that：The dosage of second bamboo charcoal powder and the binding agent
Than for 1：(0.5~1).
8. production method according to claim 1, it is characterised in that：Control the length of the bamboo wood after the chopping for 3~
50mm, width are 3~50mm, and thickness is 1~10mm；
The water content of bamboo wood after control drying is no more than 3%；
The grain size of the bamboo wood powder is controlled to be no more than 3mm.
9. production method according to claim 1, it is characterised in that：The concentration of the caustic-soda aqueous solution of immersion for 10~
20%, when soaking time is 8~24 small, and the Liquid Residue after immersion is filtered and purified, the water after collection and purification is used
In preparation caustic-soda aqueous solution.
10. the carbonizing apparatus used in a kind of any one of claim 1 to 9 production method, it is characterised in that：The carbonizing apparatus bag
It includes：On in flash hypoxemia carbonizing tower and anoxybiotic charing storehouse, the upper end of the flash hypoxemia carbonizing tower and anoxybiotic charing storehouse
Portion is communicated by connecting pipe；
The flash hypoxemia carbonizing tower includes tower body, the hot-wind inlet for being arranged on the tower body lower end and bamboo wood powder entrance；
The anoxybiotic charing storehouse includes warehouse, the bamboo charcoal powder outlet for being arranged on the warehouse bottom, is arranged at the top of the warehouse
Gas vent.
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| CN109665509A (en) * | 2019-02-03 | 2019-04-23 | 桃源县虹鑫竹业有限公司 | Bamboo charcoal production system and production method |
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| CN108910875A (en) * | 2018-07-19 | 2018-11-30 | 紫云自治县紫香源农林科技有限责任公司 | A kind of production method of bamboo bamboo charcoal |
| CN109333748A (en) * | 2018-10-30 | 2019-02-15 | 广西桂林华海家居用品有限公司 | A kind of bamboo and wood waste material is recycled the method for preparing clothes hanger |
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| CN109665509B (en) * | 2019-02-03 | 2023-12-19 | 桃源县虹鑫竹业有限公司 | Bamboo charcoal production system and production method |
| CN110699099A (en) * | 2019-09-30 | 2020-01-17 | 鞍钢股份有限公司 | Method for preparing high-strength coke for iron making by using chemical wastes |
| CN110655058A (en) * | 2019-10-24 | 2020-01-07 | 深圳市松博宇科技股份有限公司 | Preparation method of electrostatic dissipation biological material and electrostatic removal plate prepared by same |
| CN110655058B (en) * | 2019-10-24 | 2023-10-03 | 深圳市松博宇科技股份有限公司 | Preparation method of static dissipation biological material and static removal plate prepared by preparation method |
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