CN106430182A - Preparation method and preparation system for biochar - Google Patents
Preparation method and preparation system for biochar Download PDFInfo
- Publication number
- CN106430182A CN106430182A CN201610856743.8A CN201610856743A CN106430182A CN 106430182 A CN106430182 A CN 106430182A CN 201610856743 A CN201610856743 A CN 201610856743A CN 106430182 A CN106430182 A CN 106430182A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- outlet
- hopper
- charcoal
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a preparation method and preparation system for biochar. The preparation method comprises a pulverizer, a drying device, a feeding device and a cracking furnace; the pulverizer comprises a material inlet and an outlet, the outlet of the pulverizer is located over a charging device, an outlet of the charging device is connected with an inlet of the drying device, a conveyor is arranged below an outlet of the drying device, one end of the conveyor is located under the outlet of the drying device, the other end of the conveyor is located above a hopper opening of the feeding device, and an outlet of the feeding device is connected with an inlet the external heating type rotary kiln cracking furnace. According to the preparation system, the biochar can be movably, quickly and continuously produced through catalytic cracking, and the produced biochar is uniform in quality and developed in pore structure and can retain effective ingredients such as nitrogen, phosphorus and potassium as many as possible.
Description
Technical field
The present invention relates to agriculture forest and husbandry waste recycling field and the fertile production technical field of charcoal, particularly relate to one
The preparation method of charcoal and preparation system thereof.
Background technology
In recent years, the agri-foodstuffs yield of China has reached 900,000,000 tons, meanwhile creates the stalk money of same size
Source.Calculate according to the average nitrogen content of stalk 1%, light stalk just remains about 9,000,000 tons of nitrogens, the 2500 of the annual administration of China
Ten thousand tons of nitrogenous fertilizer have more than 1/3 finally to remain in stalk.As agricultural is fast-developing, stalk no longer stock keeping, no longer firewood use, lead
Cause farmland stalk to go out of use more.And in recent years various places government in succession put into effect stalk prohibit burn order, cause stalk pile up field without
The timely and effective process of method.Straw-returning be stalk directly, pulverize or pile up become thoroughly decomposed after be manured into soil, can effectively improve in soil
Organic matter, strengthen soil microbial activities, increase soil fertility.But straw-returning method is improper, also there will be various problem,
The increasing that the biological worm's ovum of the disease pest that its heavy metal carrying, the residues of pesticides of administration and preceding crop carry and adhesion grogs carry
Moulding the residue such as agent and antibiotic can return in soil again, causing uneven, the symptom such as pest and disease damage increases the weight of of emerging, this is straw-returning
The reason that often result in crop production reduction or need to apply more agricultural chemicals.
If in addition, animal wastes are applied directly to farmland, nutrient can be caused superfluous, easily burn root；And substantial amounts of disease
Bacterium can be brought directly in soil, causes pest and disease damage and the propagation of zoosis epidemic disease.Therefore, typically by after animal wastes fermentation maturity again
Appropriate administration.When the quality of fermentation fertilizer quality is with fermentative microorganism microbial inoculum, fermentation temperature control, dejecta moisture, fermentation
Between wait factor relation very big, short then within one month, long then within three months, could ferment complete, therefore fermentation period is very long.Secondly, fermentation
Occupied ground is big, and initial stage foul smell is very heavy.Again, fermentation temperature height person only has 70～80 DEG C, and low person only has 40～50 DEG C, fermentation
In Fei, still some high temperature resistance germ worm's ovums are not killed unavoidably, and hormone and the antibiotic of animal are not decomposed yet, and these have
Evil composition still can enter in soil, or harm plant growth, or is absorbed by plants final entrance human body again.At the beginning of 2016 9 months,
State Administration for Quality Supervision and Inspection and Quarantine, the approval of national standardization administration committee are issued《Terramycin, Fourth Ring in organic fertilizer
The assay high performance liquid chromatography of element, aureomycin and fortimicin》(GB/T 32951-2016), standard will be in 2017 3
The moon plays enforcement on 1st, will certainly affect Traditional compost mode and the using effect thereof of animal wastes.
By cracking Agriculture, forestry And Animal Husbandry discarded object under proper condition, charcoal can be transformed into.Apply biology to soil
Charcoal can obviously improve soil ph, improves soil fertilizer water holding capacity, activates edaphon, promotes Plant To Nutrient composition
Absorption, thus improve crop yield and quality.Additionally, stalk biomass cracking can obtain the liquid such as pyrolkigneous liquid and wood tar
Product, can be as the fabulous raw material of foliage fertilizer.And, cracking gas has certain calorific value after cleaning-drying, can be as benefit
Fill fuel heating rotary kiln.Therefore, the disposal of discarded object is organically combined with environmental protection etc. with recycling, soil improvement
Get up, have positive impetus to making continuable Development of Recycle Agriculture pattern.
Cracker domestic at present mainly uses the mode of directly heating, and mode of heating can be divided into again two kinds of forms, one
For directly lighting raw material as cracking thermal source, it two promotes raw material to occur in using hot-blast stove heat smoke is passed through pyrolysis furnace
Reaction.But the mode that more than directly heats has two major defects, and one is that cracking reaction occurs under anaerobic or anoxia condition, but directly
Connecing mode of heating inevitably allows partial oxidation participate in reaction, thus reduces charing quality；Two crack when being to directly heat
Temperature is uncontrollable, it is impossible to ensureing that raw material reacts under design cracking temperature, the cracking charcoal characteristic therefore obtaining is not
It is suitable as charcoal to be applied in soil.Therefore, in order to obtain the charcoal of high-quality, can in the urgent need to a kind of reaction condition
Control adjustable cracking equipment, make raw material that cracking reaction to occur under design condition.Additionally, the addition of catalyst will improve further
Cracking condition and lifting cracking charcoal quality.
Content of the invention
The technical problem to be solved is to provide preparation method and the preparation system thereof of a kind of charcoal, can move
Dynamic, production charcoal, and the charcoal quality height producing rapidly, continuously.
The present invention solves above-mentioned technical problem and employed technical scheme comprise that preparation method that a kind of charcoal is provided, bag
Include following steps：1) naturally dry Agriculture, forestry And Animal Husbandry discarded object, and the described discarded object after drying is crushed；2) after crushing
Discarded object is transported to drying device dries；3) discarded object after drying is delivered to pyrolysis furnace and cracks, and is cracked
After charcoal；Described pyrolysis furnace is external heating type rotary kiln.
The preparation method of above-mentioned charcoal, wherein, described step 1) in comprise the steps：In sealing glass sunlight house
Naturally drying described Agriculture, forestry And Animal Husbandry discarded object, the foul smell of generation is evacuated to the burning use as heating pyrolysis furnace for the hot-blast stove by air-introduced machine
First air；Remaining foul smell enters air after being passed through scrubbing tower and coke drum purification again；Described discarded object is pulverized by pulverizer
To the particle that particle diameter is 2-5mm.
The preparation method of above-mentioned charcoal, wherein, described discarded object one class is stalk, bamboo, branch or wood chip, cracking
Temperature is 450～550 DEG C；Or described discarded object one class is animal class ight soil, cracking temperature is 250 DEG C～350 DEG C；Or it is described useless
Gurry one class is bone, and cracking temperature is 550～650 DEG C；Described pyrolysis furnace uses rotary kiln tiny structure to run, described rotary kiln
Interior tiny structure scope is-50Pa～-100Pa.
The preparation method of above-mentioned charcoal, wherein, charging aperture and the discharging opening of described pyrolysis furnace are provided with double gate valve；
When feeding conveyor arranges catalyst addition porous dehiscence solution, add hole to add in described pyrolysis furnace by described catalyst and urge
Agent, described catalyst is one or more mixing of alkaline metal cpds.
The preparation method of above-mentioned charcoal, wherein, the outside cladding of described rotary kiln is provided with external heat cavity, described
External heat cavity is connected with hot-blast stove, and the pipeline that the heat smoke that described hot-blast stove produces passes through is divided into three tunnels, leads to described respectively
The front portion of external heat cavity, middle part and rear portion, correspondingly, described rotary kiln is separately installed with the thermometer of three real-time displays,
The valve opening of the situation of change regulation high-temperature flue gas branch pipeline according to temperature value, makes rotary kiln temperature regulation uniformly；Described
Heat smoke use fuel be described step 3) in be cracked to form high-temperature oil gas, partly crack the biological powdered carbon obtaining or/and
Natural gas；；The high-temperature flue gas that described pyrolysis furnace is discharged is by the described discarded object of described drying device heating.
The preparation method of above-mentioned charcoal, wherein, described step 3) in the flue gas that produces after cracking pass through gas cleaning
System purification enters in air after processing；Described flue gas purification system includes sack cleaner, scrubbing tower and Jiao being sequentially connected with
Charcoal tower, described scrubbing tower uses sodium hydroxide solution to absorb sour gas, and the coke that described coke drum uses is described step
3) charcoal obtaining or industrial activated carbon are cracked in.
The present invention solves above-mentioned technical problem and another technical scheme using is to provide the preparation system of a kind of charcoal
System, including pulverizer, drying unit, charging gear and pyrolysis furnace, described pulverizer includes material inlet and outlet, described pulverizing
The outlet of machine is positioned at the top of feeder, and the outlet of described feeder is connected with the entrance of described drying unit, described drying
Being provided with conveyer below the outlet of device, one end of described conveyer is positioned at the lower section of described drying unit outlet, described defeated
The other end sending machine is positioned at the top of described charging gear hopper port, the outlet of described charging gear and the entrance of described pyrolysis furnace
It is connected.
Above-mentioned preparation system, wherein, described pulverizer is jaw crusher, and described conveyer is belt conveyor or scrapes
Template conveyer, described feeder is screw(-type) feeder；Described charging gear includes the first hopper, the second hopper and feed auger
Conveyer, described first hopper and the second hopper be arranged above and below, and the exit of described first hopper is provided with the first push-pull valve, institute
The exit stating the second hopper is provided with the second push-pull valve, the outlet of described second hopper and entering of described feeding spiral conveyer
Mouth is connected, and the outlet of described feeding spiral conveyer is connected with the entrance of described pyrolysis furnace.
Above-mentioned preparation system, wherein, described first push-pull valve and the second push-pull valve are pneumatic gate valve, with air compression
Machine is connected, and electrically connects with the first Pneumatic control module and the second Pneumatic control module respectively, described first Pneumatic control module
For controlling being turned on and off of the first push-pull valve, described second Pneumatic control module for control the second push-pull valve unlatching or
Close.
Above-mentioned preparation system, wherein, described pyrolysis furnace is the first rotary kiln, including rotary kiln main body and be arranged on described
Transmission device outside rotary kiln main body, external heat chamber, front tugboat and rear tugboat, described front tugboat and rear tugboat are separately positioned on
At the two ends proximal port of described rotary kiln main body, described transmission device is arranged on the inner side of front tugboat, and described external heat chamber is arranged
Between transmission device and rear tugboat.
Above-mentioned preparation system, wherein, the outlet of described first rotary kiln is connected to condenser and drawing mechanism, institute
Stating drawing mechanism and including the 3rd hopper, the 4th hopper and discharging spiral conveyor, described 3rd hopper and the 4th hopper are arranged up and down
Row, the discharge outlet of described first rotary kiln is provided with the 3rd push-pull valve, and the exit of described 3rd hopper is provided with the 4th and inserts
Plate valve, the outlet of described 4th hopper is connected with the entrance of described feeding spiral conveyer, and the entrance of described 3rd hopper is positioned at
Below the outlet of described first rotary kiln.
Above-mentioned preparation system, wherein, pipeline is passed through in the upper end of described condenser and the first air-introduced machine is connected, and described first
The outlet of air-introduced machine is connected with hot-blast stove by pipeline, described hot-blast stove by three-way connection (pipe) road respectively with described external heat cavity
Front portion, middle part and rear portion connect, and the front portion in described external heat chamber, middle part, rear portion are separately installed with thermocouple；Described hot-blast stove with
Burner connects.
Above-mentioned preparation system, wherein, described drying unit is the second rotary kiln, the outside setting of described second rotary kiln
There is heat-insulated cavity, after the flue on the external heat chamber of described first rotary kiln is by the heat-insulated cavity of described second rotary kiln
It is sequentially connected with sack cleaner, scrubbing tower and activated coke adsorption tower；It is connected with between described sack cleaner and scrubbing tower
Two air-introduced machines；The outlet of described drying unit is provided with the 3rd air-introduced machine, and described 3rd air-introduced machine is by pipeline and described hot-blast stove
Connect, as burning First air.
The present invention contrasts prior art following beneficial effect：The invention provides a kind of charcoal preparation method and
Its preparation system, is uniformly heated up to pyrolysis furnace (rotary kiln) by the form of external heat source so that the temperature in rotary kiln is relative
Unanimously, and design temperature value can be reached.So, raw material can occur cracking reaction, produced charcoal at a predetermined temperature
Greater homogeneity, pore structure is flourishing, it is also possible to retain the active ingredients such as far as possible many N P and K.Particularly, the present invention provides
Preparation system uses continuous feed, continuously production, continuous discharge form, and wherein charging and discharging device all uses double-layer pneumatic plate
Valve form, it is ensured that the sealing of system, also saves labour.Raw material first passes through preheating and drying dress before entering rotary kiln
Put, can substantially save rotary kiln intensification energy consumption.Cracking gas can be used for counter burning energy supply after purge drying, accomplish to make full use of from
Body energy, to save external energy supply.The flue gas producing after cracking gas burning is net by deduster, scrubbing tower and activated carbon etc.
After gasifying device, after through air-introduced machine discharge, to ensure that fume indication meets environmental requirement, stop the pollution to surrounding enviroment.This
Unit scale is moderate, compact conformation, and it is convenient to combine, and may be designed to modularization assembling, it is achieved portable production, is suitable for raw material and divides
Dissipate the inconvenience bringing, it is possible to reduce the expense that material collection produces.Specifically have the following advantages：
1st, the present invention can install nearby according to needing treating capacity modularized design, packaged type, can effectively solve stalk and
Animal wastes the like waste disperses intractable problem, it is achieved the minimizing of waste utilization.
2nd, the present invention can realize charging and the discharging of automation, has saved labour.Additionally, system makes full use of self energy
Amount comes material drying or firing equipment, accomplishes few as far as possible with or without outside energy consumption.Integrated flue gas purification system
Ensure that the flue gas of emptying is safe and harmless, make whole system be truly realized energy-autarchic, energy-conserving and environment-protective.
3rd, the present invention uses external-type to heat, and makes kiln temperature uniform, and different material uses different according to its characteristic
Cracking temperature, has been effectively ensured the quality of charcoal.The charcoal of cracking can be according to the ingredient properties of charcoal according to certain matter
Amount proportioning becomes mixing charcoal fertile.
Brief description
Fig. 1 is the production technological process preparing charcoal in the embodiment of the present invention；
Fig. 2 is the structural representation of charcoal preparation system in the embodiment of the present invention.
Wherein：
1 first hopper 2 first push-pull valve 3 second push-pull valve 4 feeding spiral conveyer
Tugboat 6 transmission device 7 rotary kiln main body 8 external heat chamber before 5
9 regulation valve 10 hot-blast stove 11 burner 12 the 3rd push-pull valves
13 the 4th push-pull valve 14 discharging spiral conveyor 15 first air-introduced machine 16 condenser delivery valves
18 condenser 19 condensator outlet cracking gases are counter burns pipeline in 17 rotary kilns outlets
20 external heat cavity 21 thermocouple 22 pulverizer 23 drying units
24 conveyer 25 sack cleaner 26 second air-introduced machine 27 scrubbing towers
28 activated coke adsorption tower 29 flue gas emptying guiding tube 30 feeder 31 second hoppers
Tugboat 35 pyrolysis furnace after 32 the 3rd hopper 33 the 4th hoppers 34
36 charging gear 37 drawing mechanism 38 heat-insulated cavities
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, the preparation method of the charcoal that the present invention provides comprises the steps：
First, pre-processing raw material, the vegetable raw material such as stalk can pass through open area dryness in the sun and dry dress
Put 23 so that it is moisture content is down to less than 20%.Animal wastes airing seals in room at custom-designed sunlight, and is provided with wind
Foul smell can be evacuated to hot-blast stove as combustion air by machine；After natural drying further through pulverizer the 22nd, drying unit 23 again
It is dried, make animal wastes moisture content be down to less than 30%, it is ensured that it becomes block, will not stick to rotary kiln inwall.Drying unit 23
The thermal source using is fume afterheat, takes full advantage of self heat.
Pyrolysis furnace 35 is rotary kiln, and the charging aperture of rotary kiln uses double push-pull valve design, it is ensured that the sealing of charging
Property.Upper and lower push-pull valve uses operated pneumatic valve control, and the coordinated signals time-program(me) of the open and close between them is according to reality
Treating capacity sets.It after raw material enters from push-pull valve, then is brought in rotary kiln by the conveying worm of bottom and participates in reaction.
Control switch time of double push-pull valves also to be mated with conveying worm, to ensure that continuous uniform feeds.
The present invention uses rotary kiln type pyrolysis furnace, the size of rotary kiln can according to raw material design day output select 5～
The treating capacity that 50t/d does not waits, determines between a length of 4m～16m of kiln body then, kiln body external diameter between 0.5m～2m, rotary kiln
Rotating speed is 0～5r/min, to guarantee that raw material fully reacts.
The present invention uses external heat mode, is i.e. further added by one layer of heat preservation heat insulation layer cavity, hot-blast stove outside rotary kiln
The high-temperature flue gas producing enters heating rotary kiln in cavity, and the temperature height in rotary kiln can be regulated by hot-blast stove.Revolution
The front portion of the bringing-up section of kiln, middle part and rear portion are mounted on temperature measuring equipment, with real-time monitoring kiln temperature change.In order to ensure kiln
Hot-blast stove exhaust pass is designed to three lateral forms by the uniformity of interior temperature, and each lateral is provided with tune
Joint valve, respectively leads to front portion, middle part and the rear portion of bringing-up section.The temperature difference between the temperature that temperature measuring equipment monitors is bigger
When, by the valve opening size regulating lateral, kiln temperature can be regulated, so that bulk temperature is uniformly in design
Scope.
Different cracking temperatures is used to carry out charcoal processing for different raw materials.For fibers such as stalk, bamboo, branch, wood chips
Type organic, cracking temperature is between 450～550 DEG C, it is ensured that the cracking charcoal of generation has abundant pore structure and specific surface
Long-pending.For animal class ight soil, in order to retain its organic components containing as far as possible, sufficiently high temperature can be had again to kill germ worm
Zoohormone in ovum, and decomposition ight soil, antibiotic, choose 250 DEG C～350 DEG C cracking temperatures as this kind of discarded object.
The cracking temperature of animal bone is 550 DEG C～650 DEG C, it is ensured that it can become charcoal and retain most P elements.
The present invention uses rotary kiln tiny structure to run, and in rotary kiln, tiny structure scope is at-50Pa～-100Pa, can avoid splitting
Vent one's spleen the gas leakage situation being likely to occur at kiln head and tail.In rotary kiln can being realized by the air-introduced machine suitable at rear end installation pressure head
Tiny structure, it is possible to guide cracking gas in time from rotary kiln out, it is to avoid it is mixed in charcoal in the condensation of kiln tail low-temperature zone.
The present invention adds appropriate alkaline metal cpds such as KNO3、K3PO4、NaNO3Deng, as catalyst participate in cracking
Reaction, on the one hand can suitably reduce the cracking reaction temperature of raw material, additionally also can supplement fertilizer element NPK.
The carbon outleting port of rotary kiln is also adopted by double push-pull valve design, it is ensured that go out the sealing of charcoal.Upper and lower push-pull valve is adopted
Use operated pneumatic valve control, the coordinated signals time-program(me) of the open and close between them according to actual go out charcoal amount set.When
Charcoal from push-pull valve out after, then taken out of by the conveying worm of bottom.Charcoal, after the entrance of upper push-pull valve, can suitably prolong
The time of staying in its temporary pipeline between upper and lower push-pull valve long, to reach the purpose fully lowered the temperature.Therefore, lower plugboard valve
Opening interval can be a little longer.
Cracking gas outlet at rotary kiln is provided with cracked oil condenser 18, and shell side is made in wherein cracking leave with rage, and pipe walked by running water
Journey.Cracking gas enters from condenser entrance, and upper outlet is discharged, and arranges ball valve switch bottom condenser, opens ball valve
Switch can discharge condensed cracked oil.Running water or well water, as cooling medium, open cooling water pump, make cooling water from bottom
Be passed through, top out, use indirect air water heat exchange to make cracked oil condense.Condensed cracking gas is counter in being passed directly into hot-blast stove to be burnt
Energy supply, can make full use of the energy of system self, reduces external fuel usage amount.
In hot-blast stove after high-temperature flue gas heating rotary kiln out, low-temperature flue gas enters back into raw material stoving device
Material drying, enters flue gas purification system afterwards.Flue gas purification system mainly includes deduster, air-introduced machine, scrubbing tower 27 and lives
Property burnt adsorption tower 28 grade after directly empty, it is ensured that the flue gas meet the requirement of environmental protection after purification, surrounding enviroment are not polluted.For
In order to be effective, cloth bag form selected by deduster, and scrubbing tower 27 uses NaOH as depickling, by scrubbing tower 27 out
Flue gas dehumidifying after enter activated coke adsorption tower 28, can be by poisonous and harmful element that may be present in flue gas by adsorbing further
And it is safe and harmless to make the flue gas entering air more they tend to.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, the present embodiment is as a example by rice straw.
(1) pretreatment stage：The first natural drying of harvested rice straw, airing degree is better, after being more conducive to
Reaction.After natural drying, enter pulverizer 22 and process.Jaw crusher selected by pulverizer 22, the stalk size after crushing
Guarantee at below 3cm, it is to avoid snarl card machine together in follow-up screw(-type) feeder.
In the feeder 30 of the drying unit 23 from pulverizer 22 outlet, screw(-type) feeder selected by feeder 30, it is ensured that
Continuous feed.The outlet of feeder 30 is directly connected with drying unit 23, and stalk out drops into drying dress afterwards from feeder 30
Put bottom 23.The discrepancy in elevation having twenty or thirty centimetre with drying unit 23 of feeder 30, stalk is piled up in bottom after falling.Dry dress
Putting 23 is the second rotary kiln, and the outside of the second rotary kiln increases one layer of heat preservation cavity.From pyrolysis furnace 35 flue gas out by drying
During the external thermal insulation cavity of equipment for drying 23, indirectly heat to the stalk within drying unit 23.In order to make stalk degree of drying high, dry
The rotating speed of equipment for drying 23 is within 1r/min, and drying unit 23 rotary kiln inclination angle is about 5～10 °.On the one hand gyroscopic action is made
The power advancing for stalk, on the other hand also functions to tipping effect.The cylinder material of drying unit 23 selects heat transfer property as far as possible
Good thin property steel plate, the good warming plate of heat-insulated cavity material selection thermal insulation, it is cladded with rock wool heat-preservation layer.
(2) charging stage：Fall belt conveyor 24 from drying unit 23 stalk out, be transported to charging gear 36
Hopper port.Material device 36 includes the first hopper the 1st, the second hopper 31 and feeding spiral conveyer 4, the first hopper 1 and the second material
Bucket 31 is arranged above and below, and the outlet of the second hopper 31 is connected with the entrance of feeding spiral conveyer 4, going out of feeding spiral conveyer 4
Mouth is connected with the entrance of pyrolysis furnace 35.Owing to drying unit 23 outlet has certain discrepancy in elevation, therefore belt conveyor with hopper port
24 inclination angles are relatively big, but first have to ensure that stalk will not down landing in course of conveying.So the belt root of belt conveyor 24
Can suitably select length according to actual conditions；Or using and scraping template conveyer replacement belt conveyor 24, stalk leans on the stop of scraper plate not
Can glide, the light-duty material of scraper plate material selection.The transporting velocity of belt conveyor 24 is come according to the disposal amount of pyrolysis furnace 35
Fixed, it is to avoid stalk is piled up at the first hopper 1 or the second hopper 2.
Stalk, after belt conveyor 24 falls into the first hopper 1, for avoiding stalk to put up a bridge in the first hopper 1, is therefore expected
Quarrel can not be too little.The present invention uses dual hopper degree of lip-rounding formula, and the exit of the first hopper 1 is provided with the first push-pull valve 2,
The exit of the second hopper 31 is provided with the second push-pull valve 3, and the first push-pull valve 2 and the second push-pull valve 3 use pneumatic control, and set
Put time control program.Double push-pull valve is used to be that the first push-pull valve 2 first opening top makes stalk in order to strengthening system seals
Falling, now the second push-pull valve 3 of bottom is closed.When in the second hopper 31, stalk runs up to almost be full of,
Close the first push-pull valve 2, open the second push-pull valve 3, make stalk fall in feeding spiral conveyer 4.First push-pull valve 2 and second
Push-pull valve 3 is connected with air compressor, and electrically connects with the first Pneumatic control module and the second Pneumatic control module respectively, described
First Pneumatic control module is for control being turned on and off of the first push-pull valve, and described second Pneumatic control module is for control the
Being turned on and off of two push-pull valves.Described first, second Pneumatic control module is arranged in Pneumatic control cabinet, it is possible to achieve system
Uniform feeding, and save manpower.
(3) cleavage stages：Enter into the entrance of pyrolysis furnace 35, now raw material from feeding spiral conveyer 4 stalk out
There is not cracking reaction immediately.The first rotary kiln heating for external-heat due to the pyrolysis furnace 35 of the present invention, the first revolution
Region between transmission device 6 and rear tugboat 34 for the bringing-up section of kiln, therefore, the stalk having just enter into is not in the range of bringing-up section.
But there is hot gas to assemble in porch, stalk can be dried.As the first rotary kiln rotates, stalk slowly marches forward, and advances
Journey is similar to tipping effect and is also beneficial to being further dried of stalk.As stalk slowly moves to the thermal treatment zone, its residing ring
Border temperature is also more and more higher, and internal moisture is also gradually evaporated.From low-temperature space to eventually entering into high-temperature heating section, stalk is front
There are pyrogenetic reaction, half carbonization reaction, low temperature pyrolyzer reaction and middle temperature cracking reaction etc. successively, by different component group during entering
The cracking gas becoming also progressively produces, and is carried under the effect of the first air-introduced machine 15 in first rotary kiln entrance condenser 18.
Front postmedian in the thermal treatment zone, respectively equipped with a thermocouple 21, is passed directly into and splits for detection inside the first rotary kiln
Solve reaction temperature.Cracking reaction belongs to the endothermic reaction, and with the propelling of reaction, the temperature of zones of different can be varied from, pass through
Electric thermo-couple temperature display screen understands the temperature difference situation between three.When the temperature difference is more significant, by corresponding of regulation hot-blast stove 10
Regulation valve 9 aperture of pipe, makes more high-temperature hot flue gas enter into low-temperature region and carries out external heat to the first rotary kiln, pass through
Kiln wall heat transfer makes the temperature of corresponding region in kiln rise, thus reaches to equalize the effect of kiln temperature.First rotary kiln rotating speed
At about 1r/min, therefore stalk has the enough reaction time in bringing-up section, can fully be cracked.And because cracking region
Oxygen content little, temperature is relatively uniform stable, can generate abundant pore structure, and the quality of the straw charcoal obtaining can obtain
To guarantee.Insulation in order to ensure the first rotary kiln is adiabatic, outside to install the rock wool heat-preservation layer of adequate thickness additional, and external heat
Cavity 20 has castable refractory to fill.
The external heat source of the first rotary kiln is provided by hot-blast stove 10, and hot-blast stove 10 is built up by insulating brick and castable refractory,
And equipped with solid and gas dual burner 11 and special fan, make the kiln temperature of the thermal treatment zone be maintained between 450 DEG C～550 DEG C.
The general fuel used of burner 11 is high-quality charcoal powder, is used as bottled gas or pipe gas additional heat if desired.
In addition, hot-blast stove 10 gas inlet pipe roadside preparation cracking gas air inlet pipeline, by pyrolysis furnace cracking gas out through condenser
After 18 condense a part of cracked oil, remaining cracking gas is directly entered hot-blast stove 10 under the traction of the first air-introduced machine 15 and burns.
So both process cracking gas, be also that the first rotary kiln provides portion of energy, saved extra power usage amount.Cracking gas quilt
Be directly entered flue gas purification system after burning, purified after just enter in air.
Reserve catalyst on feeding spiral conveyer 4 top and add hole, normally enter the at stalk by charging gear 36
When in single-revolution kiln, add alkaline metal catalysts in right amount so that it is jointly participate in cracking reaction.The participation of catalyst can reduce to be split
Solve reaction temperature, according to catalytic effect actual conditions, select KNO in right amount3、K3PO4、NaNO3Etc. type catalyst.Catalyst is deposited
It is put in special container, valve is connected to feeding spiral conveyer 4 top.Only valve opening need to be adjusted to suitable size, allow
Catalyst is entered in feeding spiral conveyer 4 by self gravitation even action.
(4) oil, charcoal, gas collection phase：Higher from the temperature of bringing-up section straw charcoal out, but aft section belongs to non-power
Hot-zone, environment temperature is relatively low, and therefore straw charcoal advances to be obtained in that enough temperature-fall periods during the first rotary kiln outlet,
Fall to afterwards in the drawing mechanism 37 of pyrolysis furnace outlet.Drawing mechanism 37 is also adopted by double-layer pneumatic push-pull valve, specifically, discharging
Device 37 includes the 3rd hopper the 32nd, the 4th hopper 33 and discharging spiral conveyor 14, and the 3rd hopper 32 and the 4th hopper are about 33
Arrangement, the discharge outlet of the first rotary kiln arranges the 3rd push-pull valve 12, and the exit of the 3rd hopper 32 arranges the 4th push-pull valve 13,
Purpose is to ensure that the sealing of outlet.The switch board of the 3rd push-pull valve the 12nd, the 4th push-pull valve 13 and air compressor and first are inserted
Plate valve 2 and the second push-pull valve 2 share.3rd push-pull valve 12 is opened, and straw charcoal enters in the 3rd hopper 32, now the 4th plate
Valve 13 cuts out.Straw charcoal also can be cooled to less than 50 DEG C in the 3rd hopper 32 further, it is to avoid pyrocarbon and air contact and
Burn.4th push-pull valve 13 is opened afterwards, and straw charcoal enters discharging spiral conveyor 14, protects in being transported to straw charcoal storage tank
Deposit standby.
Cracking gas, under the traction of the first air-introduced machine 15, from kiln tail cracking gas pipeline out, is first into condenser 18
In.Condenser 18 is by the shell-and-tube heat exchanger of tens tubule Shu Zucheng, and tube side is made in wherein cracking leave with rage, and cooling water walks shell side.
Condenser 18 is vertically-mounted, and when cracking oil gas enters fashionable from bottom, cracked oil chance is cold condenses in inside pipe wall, gathers under gravity
Collection arrives at condenser 18 lower part outlet.Condenser 18 lower part outlet uses ball valve control, and ball valve is in normally open and makes condensation of oil
Flow out, focus in cracked oil collecting vessel.The mouth of pipe extend into below the pasta of collecting vessel, can be as oil sealing.
From condenser 18 cracking gas out through condensation, itself has become relatively dry.Containing a part in cracking gas
Combustible component H2、CO、CH4, and C2、C3It etc. many carbon hydrocarbon gas, is therefore passed directly into high temperature hot-blast furnace 10 by pipeline
In, i.e. incendivity.In order to cracking gas stably burns, pressure maintaining valve is installed before air inlet.Gas after cracking is that rotary kiln heats up
Flue gas purification system is entered after energy supply.
(5) the gas cleaning stage：When hot-blast stove 10 high-temperature flue gas from the first rotary kiln out after, be first into waste heat
Retracting device, i.e. drying unit 23, low temperature exhaust heat can be used for being dried raw material.Afterwards, flue gas purification system is entered back into.Gas cleaning
System includes sack cleaner the 25th, scrubbing tower 26 and activated coke adsorption tower 28, all uses mature equipment on market, herein
Not superfluous words.It is noted that in running, because flue gas needs to overcome sack cleaner 25 pressure, the waterpower of scrubbing tower 26
Pressure drag and along journey and the local resistance of ducting, must supporting second air-introduced machine 26.Sack cleaner 25 uses PTFE filter bag, before and after making
Within pressure reduction is maintained at 1000Pa, use pulse dust cleaning mode.Scrubbing tower 26 uses caustic soda as plumper, and in making tower, solution is protected
Holding in pH value is about 7, and opens internal circulation pump, makes solution fully stir, and improves deacidification effect.In activated coke adsorption tower 28
Activated coke uses the brown coal activated coke commonly used on the market, it is possible to supplement the homemade bamboo charcoal of part, charcoal etc., to realize resource
Make full use of.
Embodiment 2:
The present embodiment is as a example by cracking chicken manure.
The present embodiment uses cracking technology same as in Example 1 and equipment, the mainly difference of raw material.Chicken manure compares straw
Stalk, every characteristic is different.Firstly the need of noting chicken manure drying property, chicken manure should fully be done before entering native system naturally
Dry, on the one hand can reduce the drying energy consumption before cracking, on the other hand also can reduce stink, convenient pack transport.Dried chicken
After excrement entrance pulverizer 22 fully crushes, fully dry again in drying unit 23.In order to reduce the diffusion of stink, drying dress
Put the supporting 3rd air-introduced machine (not shown) in 23 exits, stink can be evacuated to hot-blast stove 10 interior as First air.Dried chicken
Excrement particle rollability is higher, and therefore, the conveyer of feeding more preferably uses drag conveyor.Cow dung, the process of pig manure and this type of
Seemingly, not superfluous words.
Embodiment 3
The present embodiment is as a example by cracking wood chip.
Wood chip light weight, free from extraneous odour, and easily broken, it therefore is easier to pretreatment compared with stalk.Still should be noted and wood chip is tried one's best
Broken complete, it is to avoid it is put up a bridge and difficult blanking in hopper.Because of its light weight, the air quantity of cracking gas air-introduced machine can not be too big, anti-
Only wood chip also unreacted is fully i.e. drawn to kiln tail non-power hot-zone.
Embodiment 4
The present embodiment is as a example by cracking branch.
Branch needs fully broken, prevents from putting up a bridge or card machine in conveying worm.
In order to further illustrate this technology, quote design parameter and be illustrated.Carrying out practically case is as a example by wood chip
Make calculation specifications.
| Title | Symbol | As a example by wood chip | Unit |
| Rotary kiln length | L | 4～16 | m |
| Rotary kiln diameter | D | 0.5～1.8 | m |
| Rotary kiln rotating speed | n | 0.5～2 | r/min |
| Rotary kiln inclination angle | i | 2～5 | ° |
| Raw material natural packing angle | θ | 40～50 | ° |
| Raw material bulk density | ρ | 300～500 | kg/m3 |
| Starting charge rate | ψ | 0.2～0.3 | |
| Residence time of material | τ | 30～101 | min |
| Rotary kiln treating capacity | G | 208～2892 | kg/h |
| Rotary kiln treating capacity | G | 5～69 | t/d |
Although the present invention discloses as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when a little modification and perfect can be made, the therefore protection model of the present invention
Enclose when with being as the criterion that claims are defined.
Claims (13)
1. the preparation method of a charcoal, it is characterised in that comprise the steps：
1) naturally dry Agriculture, forestry And Animal Husbandry discarded object, and the described discarded object after drying is crushed；
2) discarded object after crushing is transported to drying device dries；
3) discarded object after drying is delivered to pyrolysis furnace and cracks, the charcoal after being cracked；Described pyrolysis furnace is for outward
Heated type rotary kiln.
2. the preparation method of charcoal as claimed in claim 1, it is characterised in that described step 1) in comprise the steps：
Naturally drying described Agriculture, forestry And Animal Husbandry discarded object in sealing glass sunlight house, the foul smell of generation is evacuated to hot-blast stove as adding by air-introduced machine
The burning First air of pyrocrack furnace；Remaining foul smell enters air after being passed through scrubbing tower and coke drum purification again；Described discarded
Thing is crushed to, by pulverizer, the particle that particle diameter is 2-5mm.
3. the preparation method of charcoal as claimed in claim 1, it is characterised in that described discarded object is stalk, bamboo, branch
Or wood chip, cracking temperature is 450～550 DEG C；Or described discarded object is animal class ight soil, cracking temperature is 250 DEG C～350 DEG C；
Or described discarded object is bone, cracking temperature is 550～650 DEG C；Described pyrolysis furnace uses rotary kiln tiny structure to run, described time
Tiny structure scope in rotary kiln is-50Pa～-100Pa.
4. the preparation method of charcoal as claimed in claim 1, it is characterised in that the charging aperture of described pyrolysis furnace and discharging opening
It is provided with double gate valve；When feeding conveyor arranges catalyst addition porous dehiscence solution, add hole in institute by described catalyst
Stating interpolation catalyst in pyrolysis furnace, described catalyst is one or more mixing of alkaline metal cpds.
5. the preparation method of charcoal as claimed in claim 1, it is characterised in that the outside cladding of described rotary kiln is provided with
External heat cavity, described external heat cavity is connected with hot-blast stove, and the pipeline that the heat smoke that described hot-blast stove produces passes through is divided into three
Road, leads to front portion, middle part and the rear portion of described external heat cavity respectively, and correspondingly, described rotary kiln is separately installed with three realities
When display thermometer, the valve opening of the situation of change regulation high-temperature flue gas branch pipeline according to temperature value, make temperature in rotary kiln
Degree regulation is uniformly；Described heat smoke use fuel be described step 3) in be cracked to form high-temperature oil gas, part cracking obtain
Biological powdered carbon or/and natural gas；；The high-temperature flue gas that described pyrolysis furnace is discharged is described discarded by the heating of described drying device
Thing.
6. the preparation method of charcoal as claimed in claim 1, it is characterised in that described step 3) in the cigarette that produces after cracking
Gas enters in air after flue gas purification system purified treatment；Described flue gas purification system includes the bag-type dust being sequentially connected with
Device, scrubbing tower and coke drum, described scrubbing tower uses sodium hydroxide solution to absorb sour gas, Jiao that described coke drum uses
Charcoal is described step 3) in the charcoal that obtains of cracking or industrial activated carbon.
7. the preparation system of a charcoal, it is characterised in that include pulverizer, drying unit, charging gear and pyrolysis furnace, institute
Stating pulverizer and including material inlet and outlet, the outlet of described pulverizer is positioned at the top of feeder, the outlet of described feeder
It is connected with the entrance of described drying unit, below the outlet of described drying unit, be provided with conveyer, the one of described conveyer
End is positioned at the lower section of described drying unit outlet, and the other end of described conveyer is positioned at the top of described charging gear hopper port,
The outlet of described charging gear is connected with the entrance of described pyrolysis furnace.
8. preparation system as claimed in claim 7, it is characterised in that described pulverizer is jaw crusher, described conveyer
For belt conveyor or scrape template conveyer, described feeder is screw(-type) feeder；Described charging gear include the first hopper,
Two hoppers and feeding spiral conveyer, described first hopper and the second hopper be arranged above and below, and the exit of described first hopper sets
Being equipped with the first push-pull valve, the exit of described second hopper is provided with the second push-pull valve, the outlet of described second hopper with described
The entrance of feeding spiral conveyer is connected, and the outlet of described feeding spiral conveyer is connected with the entrance of described pyrolysis furnace.
9. preparation system as claimed in claim 8, it is characterised in that described first push-pull valve and the second push-pull valve are pneumatic inserting
Plate valve, is connected with air compressor, and electrically connects with the first Pneumatic control module and the second Pneumatic control module respectively, and described
One Pneumatic control module is turned on and off for control the first push-pull valve, and described second Pneumatic control module is used for control second
Being turned on and off of push-pull valve.
10. preparation system as claimed in claim 7, it is characterised in that described pyrolysis furnace is the first rotary kiln, including rotary kiln
Main body and be arranged on transmission device outside described rotary kiln main body, external heat chamber, front tugboat and rear tugboat, described front tugboat and
Rear tugboat is separately positioned at the two ends proximal port of described rotary kiln main body, and described transmission device is arranged on the inner side of front tugboat,
Described external heat chamber is arranged between transmission device and rear tugboat.
11. preparation systems as claimed in claim 10, it is characterised in that the outlet of described first rotary kiln is connected to cold
Condenser and drawing mechanism, described drawing mechanism includes the 3rd hopper, the 4th hopper and discharging spiral conveyor, described 3rd hopper
Being arranged above and below with the 4th hopper, the discharge outlet of described first rotary kiln is provided with the 3rd push-pull valve, going out of described 3rd hopper
Being provided with the 4th push-pull valve at Kou, the outlet of described 4th hopper is connected with the entrance of described feeding spiral conveyer, and described
The entrance of three hoppers is positioned at below the outlet of described first rotary kiln.
12. preparation systems as claimed in claim 11, it is characterised in that the upper end of described condenser is drawn by pipeline and first
Blower fan is connected, and the outlet of described first air-introduced machine is connected with hot-blast stove by pipeline, and described hot-blast stove is by three-way connection (pipe) road respectively
Being connected with the front portion of described external heat cavity, middle part and rear portion, the front portion in described external heat chamber, middle part, rear portion are separately installed with
Thermocouple；Described hot-blast stove is connected with burner.
13. preparation systems as claimed in claim 12, it is characterised in that described drying unit is the second rotary kiln, described
The outside of two-revolution kiln is provided with heat-insulated cavity, and the flue on the external heat chamber of described first rotary kiln passes through described second
It is sequentially connected with sack cleaner, scrubbing tower and activated coke adsorption tower after the heat-insulated cavity of rotary kiln；Described sack cleaner and
It is connected with the second air-introduced machine between scrubbing tower；The outlet of described drying unit is provided with the 3rd air-introduced machine, and described 3rd air-introduced machine leads to
Piping is connected with described hot-blast stove, as burning First air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856743.8A CN106430182A (en) | 2016-09-27 | 2016-09-27 | Preparation method and preparation system for biochar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856743.8A CN106430182A (en) | 2016-09-27 | 2016-09-27 | Preparation method and preparation system for biochar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106430182A true CN106430182A (en) | 2017-02-22 |
Family
ID=58170648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856743.8A Pending CN106430182A (en) | 2016-09-27 | 2016-09-27 | Preparation method and preparation system for biochar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106430182A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746352A (en) * | 2017-09-28 | 2018-03-02 | 青岛农业大学 | Charcoal base manure preparation method and preparation system based on phoenix tree leaf and sludge |
| CN107774698A (en) * | 2017-10-31 | 2018-03-09 | 泰兴市开普蓝环保设备制造有限公司 | A kind of old and useless battery anaerobic catalytic cracking system and method |
| CN108315354A (en) * | 2018-03-23 | 2018-07-24 | 上海大学 | The application of the method for charcoal and its charcoal of preparation is prepared using straw saccharification residue |
| ES2685044A1 (en) * | 2017-03-31 | 2018-10-05 | Aligran Proyectos, S.L. | Procedure for managing greenhouse plant remains without chemical agents and plant to carry it out (Machine-translation by Google Translate, not legally binding) |
| CN109775684A (en) * | 2019-03-07 | 2019-05-21 | 天津市实验林场 | A method of charcoal is prepared using rice straw |
| CN109970470A (en) * | 2019-04-22 | 2019-07-05 | 江苏旭云物联信息科技有限公司 | A kind of movable type excrement and urine treating system |
| CN110156009A (en) * | 2018-02-27 | 2019-08-23 | 彭万喜 | A kind of preparation method of active carbon |
| CN110315620A (en) * | 2018-03-29 | 2019-10-11 | 万华禾香板业(湖北)有限责任公司 | Straw preparation method and system |
| CN110591738A (en) * | 2019-07-26 | 2019-12-20 | 吉林省明泰再生能源有限公司 | Organic matter micro-carbonization treatment equipment and process |
| CN110815477A (en) * | 2019-12-03 | 2020-02-21 | 深圳市起源环保科技有限公司 | Charcoal making process based on microwave carbonization |
| CN112592235A (en) * | 2020-12-09 | 2021-04-02 | 塔里木大学 | Method for preparing biomass slow-release fertilizer by compounding straw biomass charcoal and livestock and poultry manure |
| CN112744804A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Method for preparing carbon material from heavy oil slurry |
| CN114447464A (en) * | 2021-12-16 | 2022-05-06 | 山东天力能源股份有限公司 | High-temperature pyrolysis treatment system and method for waste lithium batteries |
| CN115283419A (en) * | 2022-08-04 | 2022-11-04 | 江山市虎鼎环保科技有限公司 | Low-temperature thermal cracking method for fly ash |
| CN117299740A (en) * | 2023-11-30 | 2023-12-29 | 光大环保技术装备（常州）有限公司 | Waste battery recycling system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671227A (en) * | 2013-12-26 | 2015-06-03 | 常熟市绿化委员会办公室 | Biochar prepared from landscaping waste, and preparation and application methods thereof |
| CN105271219A (en) * | 2014-07-08 | 2016-01-27 | 高云 | Preparation process for straw active carbon |
| CN105439140A (en) * | 2015-12-03 | 2016-03-30 | 北京神雾环境能源科技集团股份有限公司 | System for preparing activated carbon and preparation method thereof |
| CN105731450A (en) * | 2015-11-09 | 2016-07-06 | 南通蛇类治疗研究所 | Method of producing activated charcoal from wastes comprising rice hulls, straw and woodchip |
| CN105800612A (en) * | 2016-03-01 | 2016-07-27 | 中南大学 | Method for preparing activated carbon from pteridium aquilinum straw and application of activated carbon |
| CN105819423A (en) * | 2016-03-18 | 2016-08-03 | 常州大学 | Preparation method of rice straw biocarbon |
| CN206157071U (en) * | 2016-09-27 | 2017-05-10 | 上海然归节能环保技术服务有限公司 | Preparation system of biological charcoal |
-
2016
- 2016-09-27 CN CN201610856743.8A patent/CN106430182A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671227A (en) * | 2013-12-26 | 2015-06-03 | 常熟市绿化委员会办公室 | Biochar prepared from landscaping waste, and preparation and application methods thereof |
| CN105271219A (en) * | 2014-07-08 | 2016-01-27 | 高云 | Preparation process for straw active carbon |
| CN105731450A (en) * | 2015-11-09 | 2016-07-06 | 南通蛇类治疗研究所 | Method of producing activated charcoal from wastes comprising rice hulls, straw and woodchip |
| CN105439140A (en) * | 2015-12-03 | 2016-03-30 | 北京神雾环境能源科技集团股份有限公司 | System for preparing activated carbon and preparation method thereof |
| CN105800612A (en) * | 2016-03-01 | 2016-07-27 | 中南大学 | Method for preparing activated carbon from pteridium aquilinum straw and application of activated carbon |
| CN105819423A (en) * | 2016-03-18 | 2016-08-03 | 常州大学 | Preparation method of rice straw biocarbon |
| CN206157071U (en) * | 2016-09-27 | 2017-05-10 | 上海然归节能环保技术服务有限公司 | Preparation system of biological charcoal |
Non-Patent Citations (1)
| Title |
|---|
| 叶正钱等: "《生物炭环境生态修复使用技术》", 30 November 2015 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2685044A1 (en) * | 2017-03-31 | 2018-10-05 | Aligran Proyectos, S.L. | Procedure for managing greenhouse plant remains without chemical agents and plant to carry it out (Machine-translation by Google Translate, not legally binding) |
| CN107746352A (en) * | 2017-09-28 | 2018-03-02 | 青岛农业大学 | Charcoal base manure preparation method and preparation system based on phoenix tree leaf and sludge |
| CN107774698A (en) * | 2017-10-31 | 2018-03-09 | 泰兴市开普蓝环保设备制造有限公司 | A kind of old and useless battery anaerobic catalytic cracking system and method |
| CN110156009A (en) * | 2018-02-27 | 2019-08-23 | 彭万喜 | A kind of preparation method of active carbon |
| CN108315354A (en) * | 2018-03-23 | 2018-07-24 | 上海大学 | The application of the method for charcoal and its charcoal of preparation is prepared using straw saccharification residue |
| CN108315354B (en) * | 2018-03-23 | 2022-01-07 | 上海大学 | Method for preparing biochar by utilizing straw saccharification residues and application of biochar prepared by same |
| CN110315620A (en) * | 2018-03-29 | 2019-10-11 | 万华禾香板业(湖北)有限责任公司 | Straw preparation method and system |
| CN109775684A (en) * | 2019-03-07 | 2019-05-21 | 天津市实验林场 | A method of charcoal is prepared using rice straw |
| CN109970470A (en) * | 2019-04-22 | 2019-07-05 | 江苏旭云物联信息科技有限公司 | A kind of movable type excrement and urine treating system |
| CN110591738A (en) * | 2019-07-26 | 2019-12-20 | 吉林省明泰再生能源有限公司 | Organic matter micro-carbonization treatment equipment and process |
| CN112744804A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Method for preparing carbon material from heavy oil slurry |
| CN110815477A (en) * | 2019-12-03 | 2020-02-21 | 深圳市起源环保科技有限公司 | Charcoal making process based on microwave carbonization |
| CN112592235A (en) * | 2020-12-09 | 2021-04-02 | 塔里木大学 | Method for preparing biomass slow-release fertilizer by compounding straw biomass charcoal and livestock and poultry manure |
| CN112592235B (en) * | 2020-12-09 | 2022-07-26 | 塔里木大学 | Method for preparing biomass slow-release fertilizer by compounding straw biomass charcoal and livestock and poultry manure |
| CN114447464A (en) * | 2021-12-16 | 2022-05-06 | 山东天力能源股份有限公司 | High-temperature pyrolysis treatment system and method for waste lithium batteries |
| CN114447464B (en) * | 2021-12-16 | 2024-04-16 | 山东天力能源股份有限公司 | Waste lithium battery high-temperature pyrolysis treatment system and method |
| CN115283419A (en) * | 2022-08-04 | 2022-11-04 | 江山市虎鼎环保科技有限公司 | Low-temperature thermal cracking method for fly ash |
| CN117299740A (en) * | 2023-11-30 | 2023-12-29 | 光大环保技术装备（常州）有限公司 | Waste battery recycling system and control method |
| CN117299740B (en) * | 2023-11-30 | 2024-02-06 | 光大环保技术装备（常州）有限公司 | Waste battery recycling system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106430182A (en) | Preparation method and preparation system for biochar | |
| CN206157071U (en) | Preparation system of biological charcoal | |
| CN104017590B (en) | A kind of agricultural-forestry biomass continuous pyrolysis charing method | |
| CN102443404B (en) | Device for manufacturing biological carbon | |
| CN106350084B (en) | A kind of the biochemical substances fuel processing system and its production method of high performance active carbon | |
| CN108467736A (en) | A kind of horizontal moving bed biomass pyrogenation gasification equipment of multistage subsection formula | |
| CN105855274A (en) | Household garbage disposal system and method | |
| CN109721442A (en) | A kind of system and method preparing oil, gas and charcoal base manure using agricultural-forestry biomass Poly-generation | |
| CN205528597U (en) | Straw gasification system charcoal stove | |
| CN104861993B (en) | Tower-type continuous carbonization furnace for biomass | |
| CN101962558B (en) | Biomass combustible gas high-temperature oxygen-free reinforced dry-distillation pyrolysis plant | |
| CN209322804U (en) | A kind of integrated apparatus of charcoal/oil/gas coproduction | |
| CN205667982U (en) | The processing system of one way of life rubbish | |
| CN107163953A (en) | A kind of biomass and carbon containing thermal decomposition of organic wastes rotary furnace and thermal decomposition product recovery system | |
| CN109456781A (en) | A kind of integrated apparatus and method of charcoal/oil/gas coproduction | |
| CN102863975B (en) | Device and method for carbonizing straw | |
| CN105087070A (en) | Rural ecological energy utilization system | |
| CN204644269U (en) | Stereo chamber type heat source type biological particles charring furnace | |
| CN201825737U (en) | Device for producing biocarbons | |
| CN205833820U (en) | The processing system of one way of life rubbish | |
| WO2011079948A1 (en) | Device for continuously converting biomass and system for obtaining energy therefrom | |
| CN111203143B (en) | Soil conditioner preparation system of living beings charcoal coupling microorganism | |
| CN210030576U (en) | Biomass pyrolysis reaction device and pyrolysis system | |
| CN108676574B (en) | Biomass aerobic carbonization decomposition method and device thereof | |
| CN202808711U (en) | Straw carbonizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |