CN106350143B - A kind of high heating value machine-made carbon and preparation method thereof - Google Patents
A kind of high heating value machine-made carbon and preparation method thereof Download PDFInfo
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- CN106350143B CN106350143B CN201610721604.4A CN201610721604A CN106350143B CN 106350143 B CN106350143 B CN 106350143B CN 201610721604 A CN201610721604 A CN 201610721604A CN 106350143 B CN106350143 B CN 106350143B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses a kind of high heating value machine-made carbon and preparation method thereof, the machine-made carbon includes the raw material of following parts by weight: 30 ~ 40 parts of sawdust, 10 ~ 20 parts of bamboo powder, 8 ~ 10 parts of shuck, 6 ~ 8 parts of cornstalk, 6 ~ 8 parts of kaoliang stalk, 6 ~ 8 parts of soybean bar, 6 ~ 8 parts of cotton stem, 6 ~ 8 parts of tobacco leaf bar, 4 ~ 6 parts of bagasse, 2 ~ 4 parts of sesame straw, 2 ~ 4 parts of banana waste material, 1 ~ 2 part of potato waste material, 1 ~ 2 part of cassava skin, 1 ~ 2 part of cactus, 1 ~ 2 part of stems of dragon fruits, 1 ~ 2 part of tsaoko plant.The present invention is with the processing of waste cooperation traditional raw material sawdust and bamboo powder progress machine-made carbon in agricultural production, the calorific value for even increasing machine-made carbon is kept on the basis of exponentially reducing sawdust dosage, waste utilization in agricultural production is got up, turn waste into wealth, cost is greatly reduced, the source of mechanism carbon feedstock is greatly expanded.
Description
Technical field
The invention belongs to charcoal technology for producing fields, and in particular to a kind of high heating value machine-made carbon and preparation method thereof.
Background technique
Machine-made carbon also known as firewood stick, artificial carbon, smokeless char, cleaning charcoal, since machine-made carbon is inflammable, smokeless, tasteless, nontoxic, no
Many benefits of explosive etc. have been widely used for family's heating, baked foods.It compares, the charcoal of general technology preparation,
Burning time is short, and calorific value is low, does not meet energy-saving and environment-friendly requirement, and the calorific value of machine-made carbon is high, burning time is long, ash content is low, nothing
Cigarette, it is very popular.But with the production-scale variation expanded year by year with supply-demand relationship of machine-made carbon, traditional system
For example supply falls short of demand for sawdust, bamboo powder for standby raw material, greatly improves the cost of material for preparing machine-made carbon, on the other hand with wood
Bits, bamboo powder are primary raw material, then need comparable forest, bamboo resource to meet the needs of machine-made carbon industry, necessarily will appear
Imbalance between supply and demand, and country continues to increase ecological environmental protection dynamics, forbids cutting down forest so that be badly in need of on mechanism carbon feedstock into
Row reform.
China is agricultural production big country, and annual a large amount of agricultural production residue is up to tens tons, its utilization rate is only at present
It is 20%, and that there are comprehensive utilization degrees is lower, deals with improperly and can also cause a large amount of problems such as environmental pollution for whole process.It is existing
Nowadays, some machine-made carbon practitioners start to carry out the heat for the machine-made carbon for utilizing stalk etc., but producing
Value and burning time are often not fully up to expectations.In addition, these machine-made carbons are in the production process, it is often not easily molded, machine-made carbon
Charcoal rate it is very low, density and mechanical strength are also not high enough.
Summary of the invention
The first object of the present invention is to provide a kind of high heating value machine-made carbon, and second is designed to provide a kind of high fever check-in
The preparation method of charcoal processing,
The first object of the present invention is achieved in that the raw material including following parts by weight: 30 ~ 40 parts of sawdust, bamboo powder 10 ~
20 parts, 8 ~ 10 parts of shuck, 6 ~ 8 parts of cornstalk, 6 ~ 8 parts of kaoliang stalk, 6 ~ 8 parts of soybean bar, 6 ~ 8 parts of cotton stem, tobacco leaf bar 6 ~ 8
Part, 4 ~ 6 parts of bagasse, 2 ~ 4 parts of sesame straw, 2 ~ 4 parts of banana waste material, 1 ~ 2 part of potato waste material, 1 ~ 2 part of cassava skin, cactus 1 ~
2 parts, 1 ~ 2 part of stems of dragon fruits, 1 ~ 2 part of tsaoko plant.
The second object of the present invention be achieved in that the following steps are included:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure is used to water content 18 ~ 25%
It is the particle within 3mm that raw material after exposure is ground into diameter by pulverizer；
2) raw material stoving: will be sent into dryer by the raw material of step 1) processing, by temperature setting at 220 ~ 240 DEG C, into
Row drying, obtains dry feedstock of the water content within 10%, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control it is right at 120 ~ 150 DEG C
Firewood stick is dried, and the moisture in firewood stick is evaporated, carries out row's steam treatment after 2 ~ 3 hours, then proceed into
Row is dried 1 ~ 2 hour；Temperature control is subjected to preliminary charing process to firewood stick at 230 ~ 270 DEG C, is maintained 6 ~ 8 small
When, while the gas of generation is returned into the burning of retort heating device, heat is provided；Temperature is controlled at 450 ~ 650 DEG C to firewood stick
Charing process is carried out, 12 ~ 16 hours are maintained, the flue gas of generation is returned into the burning of retort heating device, heat is provided, will produced
Raw wood vinegar and wood tar is recycled and is stored and sell for refining；Under anaerobic, it is right at 750 ~ 850 DEG C temperature to be controlled
Firewood stick carries out calcination processing, maintains 8 ~ 12 hours, and the gas of generation is returned to the burning of retort heating device and provides heat, then
Cooled to room temperature is under anaerobic condition to get mechanism.
Beneficial effects of the present invention:
1, the present invention is made with the processing of waste cooperation traditional raw material sawdust and bamboo powder progress machine-made carbon in agricultural production
With reasonable formula, the calorific value for even increasing machine-made carbon is kept on the basis of exponentially reducing sawdust, bamboo powder dosage, is subtracted
The light pressure of forest tree resource protection, the waste utilization in agricultural production is got up, is turned waste into wealth, cost is greatly reduced,
Greatly expand the source of mechanism carbon feedstock.
2, the content of cellulose in raw material and lignin has been carried out reasonable collocation by the present invention, ensure that the density of carbon rod
On the other hand big and high mechanical strength also guarantees that the highest phosphorus content of machine-made carbon of the present invention is prepared not less than pure sawdust as raw material
Machine-made carbon；By the way that banana waste material, potato waste material, cassava skin, cactus, stems of dragon fruits etc. are added in formula, not only make
For raw material, also increase the viscosity of raw material, is especially being conducive to carbon rod molding, is being not easily susceptible to cracking product broken, improves product matter
Amount.
3, machine-made carbon density made from preparation method of the invention is big, small in size, combustibility is good, burning time is long, fixed
Carbon content is high, and ratio of briquetting is high, non-breakable；By carrying out exposure before baking, evaporate surface moisture, with reduce that heat dries when
Between and fuel consumption；Soften the lignin in raw material effectively when suppressing firewood stick and further increase viscosity, is conducive to molding；Benefit
The heat caused by a small amount of extra fuel and a large amount of itself pyrolysate burnings carries out the heat supply that charcoal burns process, saving
Cost.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
High heating value machine-made carbon of the present invention, the raw material including following parts by weight: 30 ~ 40 parts of sawdust, bamboo powder 10 ~ 20
Part, 8 ~ 10 parts of shuck, 6 ~ 8 parts of cornstalk, 6 ~ 8 parts of kaoliang stalk, 6 ~ 8 parts of soybean bar, 6 ~ 8 parts of cotton stem, 6 ~ 8 parts of tobacco leaf bar,
4 ~ 6 parts of bagasse, 2 ~ 4 parts of sesame straw, 2 ~ 4 parts of banana waste material, 1 ~ 2 part of potato waste material, 1 ~ 2 part of cassava skin, cactus 1 ~ 2
Part, 1 ~ 2 part of stems of dragon fruits, 1 ~ 2 part of tsaoko plant.
It further include the raw material of following parts by weight: 6 ~ 8 parts of sunflower pole, 2 ~ 5 parts of cocoanut shell, 2 ~ 5 parts of coffee drupe shell, water calabash
2 ~ 5 parts of reed, 2 ~ 3 parts of rice hulls.
The shuck is one of pecan shell, sunflower seed shell, peanut shell, chestnut shell or a variety of.
The banana waste material is one or more of the stem of banana plant, banana skin.
The potato waste material is stem, leaf and the potato tubers of germination of potato plant.
The tsaoko plant is the tsaoko plant to wither and the tsaoko plant for having tied fruit.
The preparation method of high heating value machine-made carbon of the present invention, comprising the following steps:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure is used to water content 18 ~ 25%
It is the particle within 3mm that raw material after exposure is ground into diameter by pulverizer；
2) raw material stoving: will be sent into dryer by the raw material of step 1) processing, by temperature setting at 220 ~ 240 DEG C, into
Row drying, obtains dry feedstock of the water content within 10%, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control it is right at 120 ~ 150 DEG C
Firewood stick is dried, and the moisture in firewood stick is evaporated, carries out row's steam treatment after 2 ~ 3 hours, then proceed into
Row is dried 1 ~ 2 hour；Temperature control is subjected to preliminary charing process to firewood stick at 230 ~ 270 DEG C, is maintained 6 ~ 8 small
When, while the gas of generation is returned into the burning of retort heating device, heat is provided；Temperature is controlled at 450 ~ 650 DEG C to firewood stick
Charing process is carried out, 12 ~ 16 hours are maintained, the flue gas of generation is returned into the burning of retort heating device, heat is provided, will produced
Raw wood vinegar and wood tar is recycled and is stored and sell for refining；Under anaerobic, it is right at 750 ~ 850 DEG C temperature to be controlled
Firewood stick carries out calcination processing, maintains 8 ~ 12 hours, and the gas of generation is returned to the burning of retort heating device and provides heat, then
Cooled to room temperature is under anaerobic condition to get mechanism.
The cross section of firewood stick described in step 3) is square, one of regular hexagon, circle.
Embodiment 1
Parts by weight of raw materials composition: 30 parts of sawdust, 10 parts of bamboo powder, 8 parts of shuck, 6 parts of cornstalk, 6 parts of kaoliang stalk, soybean bar
6 parts, 6 parts of cotton stem, 6 parts of tobacco leaf bar, 4 parts of bagasse, 2 parts of sesame straw, 2 parts of banana waste material, 1 part of potato waste material, cassava skin 1
Part, 1 part of cactus, 1 part of stems of dragon fruits, 1 part of tsaoko plant.The shuck is pecan shell, sunflower seed shell, peanut shell and plate
Chestnut shell.The banana waste material is the stem and banana skin of banana plant.The potato waste material be potato plant stem,
Leaf and the potato tubers of germination.The tsaoko plant is the tsaoko plant to wither and the tsaoko plant for having tied fruit.
Preparation method:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure uses powder to water content 18%
Raw material after exposure is ground into the particle that diameter is 3mm by broken machine；
2) it raw material stoving: is dried dryer is sent by the raw material of step 1) processing by temperature setting at 220 DEG C
It is dry, the dry feedstock that water content is 10% is obtained, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；The cross section of the firewood stick is regular hexagon；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control at 120 DEG C to firewood stick
It is dried, the moisture in firewood stick is evaporated, row's steam treatment is carried out after 3 hours, then proceeds by drying
Handle 2 hours；Temperature control is subjected to preliminary charing process to firewood stick at 230 DEG C, maintains 8 hours, while by generation
Gas returns to the burning of retort heating device and provides heat；Temperature control is subjected to charing process to firewood stick at 450 DEG C, maintains 16
The flue gas of generation is returned to the burning of retort heating device and provides heat, the wood vinegar of generation and wood tar are recycled by a hour
And it stores and is sold for refining；Under anaerobic, temperature is controlled and calcination processing is carried out to firewood stick at 750 DEG C, maintenance 12 is small
When, the gas of generation is returned into the burning of retort heating device, heat is provided, then the cooled to room temperature under anaerobic condition,
Up to machine-made carbon.
Machine-made carbon free from extraneous odour made from the present embodiment, machine-made carbon class impurity, section have metallic luster nothing but；Density is big,
The calorific value of every kilogram of machine-made carbon reaches 6000kcal or more.The present invention exponentially reduces the dosages such as sawdust, bamboo powder, simultaneously will
Waste utilization in agricultural production gets up, and turns waste into wealth, and greatly reduces cost, greatly expands coming for mechanism carbon feedstock
Source, carbon rod is easily molded, and product is not easily susceptible to cracking broken, raising final product quality.
Embodiment 2
Parts by weight of raw materials composition: 32 parts of sawdust, 12 parts of bamboo powder, 9 parts of shuck, 7 parts of cornstalk, 7 parts of kaoliang stalk, soybean bar
7 parts, 7 parts of cotton stem, 7 parts of tobacco leaf bar, 5 parts of bagasse, 3 parts of sesame straw, 3 parts of banana waste material, 1 part of potato waste material, cassava skin 1
Part, 1 part of cactus, 1 part of stems of dragon fruits, 1 part of tsaoko plant, 6 parts of sunflower pole, 2 parts of cocoanut shell, 2 parts of coffee drupe shell, water calabash
2 parts of reed, 2 parts of rice hulls.The shuck is pecan shell.The banana waste material is the stem of banana plant.Described
Potato waste material is stem, leaf and the potato tubers of germination of potato plant.The tsaoko plant is withered tsaoko
Plant and the tsaoko plant for having tied fruit.
Preparation method:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure uses powder to water content 20%
It is the particle within 2mm that raw material after exposure is ground into diameter by broken machine；
2) it raw material stoving: is dried dryer is sent by the raw material of step 1) processing by temperature setting at 230 DEG C
It is dry, dry feedstock of the water content 8% is obtained, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；The cross section of the firewood stick is square；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control at 130 DEG C to firewood stick
It is dried, the moisture in firewood stick is evaporated, row's steam treatment is carried out after 3 hours, then proceeds by drying
Handle 2 hours；Temperature control is subjected to preliminary charing process to firewood stick at 250 DEG C, maintains 7 hours, while by generation
Gas returns to the burning of retort heating device and provides heat；Under anaerobic, temperature is controlled and charcoal is carried out to firewood stick at 550 DEG C
Change processing, maintains 14 hours, and the flue gas of generation is returned to the burning of retort heating device and provides heat, by the wood vinegar of generation
It recycles and stores with wood tar and sold for refining；Under anaerobic, temperature is controlled and firewood stick is carried out at calcining at 800 DEG C
Reason maintains 10 hours, and the gas of generation is returned to the burning of retort heating device and provides heat, then natural under anaerobic condition
It is cooled to room temperature to get machine-made carbon.
Machine-made carbon free from extraneous odour made from the present embodiment, machine-made carbon class impurity, section have metallic luster nothing but；Density is big,
The calorific value of every kilogram of machine-made carbon reaches 6210kcal.The present invention exponentially reduces the dosages such as sawdust, bamboo powder, while will be agriculture
Waste utilization in production gets up, and turns waste into wealth, and greatly reduces cost, greatly expands the source of mechanism carbon feedstock,
Carbon rod is easily molded, and product is not easily susceptible to cracking broken, raising final product quality.
Embodiment 3
Parts by weight of raw materials composition: 35 parts of sawdust, 15 parts of bamboo powder, 10 parts of shuck, 8 parts of cornstalk, 8 parts of kaoliang stalk, soybean
8 parts of bar, 8 parts of cotton stem, 8 parts of tobacco leaf bar, 6 parts of bagasse, 4 parts of sesame straw, 4 parts of banana waste material, 2 parts of potato waste material, cassava
2 parts of skin, 2 parts of cactus, 2 parts of stems of dragon fruits, 2 parts of tsaoko plant, 8 parts of sunflower pole, 3 parts of cocoanut shell, 3 parts of coffee drupe shell,
3 parts of water hyacinth, 3 parts of rice hulls.The shuck is sunflower seed shell and peanut shell.The banana waste material is banana skin.Institute
The potato waste material stated is stem, leaf and the potato tubers of germination of potato plant.The tsaoko plant is withered
Tsaoko plant and the tsaoko plant for having tied fruit.
Preparation method:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure uses powder to water content 22%
Raw material after exposure is ground into the particle that diameter is 1mm by broken machine；
2) it raw material stoving: is dried dryer is sent by the raw material of step 1) processing by temperature setting at 240 DEG C
It is dry, dry feedstock of the water content 6% is obtained, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；The cross section of the firewood stick is circle；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control at 140 DEG C to firewood stick
It is dried, the moisture in firewood stick is evaporated, row's steam treatment is carried out after 2 hours, then proceeds by drying
Handle 2 hours；Temperature control is subjected to preliminary charing process to firewood stick at 260 DEG C, maintains 7 hours, while by generation
Gas returns to the burning of retort heating device and provides heat；Temperature control is subjected to charing process to firewood stick at 500 DEG C, maintains 15
The flue gas of generation is returned to the burning of retort heating device and provides heat, the wood vinegar of generation and wood tar are recycled by a hour
And it stores and is sold for refining；Under anaerobic, temperature is controlled and calcination processing is carried out to firewood stick at 850 DEG C, maintenance 8 is small
When, the gas of generation is returned into the burning of retort heating device, heat is provided, then the cooled to room temperature under anaerobic condition,
Up to machine-made carbon.
Machine-made carbon free from extraneous odour made from the present embodiment, machine-made carbon class impurity, section have metallic luster nothing but；Density is big,
The calorific value of every kilogram of machine-made carbon reaches 6100kcal.The present invention exponentially reduces the dosages such as sawdust, bamboo powder, while will be agriculture
Waste utilization in production gets up, and turns waste into wealth, and greatly reduces cost, greatly expands the source of mechanism carbon feedstock,
Carbon rod is easily molded, and product is not easily susceptible to cracking broken, raising final product quality.
Embodiment 4
Parts by weight of raw materials composition: 40 parts of sawdust, 20 parts of bamboo powder, 10 parts of shuck, 8 parts of cornstalk, 8 parts of kaoliang stalk, soybean
8 parts of bar, 8 parts of cotton stem, 8 parts of tobacco leaf bar, 6 parts of bagasse, 4 parts of sesame straw, 4 parts of banana waste material, 2 parts of potato waste material, cassava
2 parts of skin, 2 parts of cactus, 2 parts of stems of dragon fruits, 2 parts of tsaoko plant, 8 parts of sunflower pole, 5 parts of cocoanut shell, 5 parts of coffee drupe shell,
5 parts of water hyacinth, 3 parts of rice hulls.The shuck is pecan shell and chestnut shell.The banana waste material is the stem of banana plant
Bar and banana skin.The potato waste material is stem, leaf and the potato tubers of germination of potato plant.The tsaoko
Plant is the tsaoko plant to wither and the tsaoko plant for having tied fruit.
Preparation method:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure uses powder to water content 25%
Raw material after exposure is ground into the particle that diameter is 1.5mm by broken machine；
2) it raw material stoving: is dried dryer is sent by the raw material of step 1) processing by temperature setting at 240 DEG C
It is dry, dry feedstock of the water content within 9% is obtained, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2 processing, dry feedstock is pressed into band
The firewood stick in heart hole, the firewood stick natural cooling that then will be suppressed；The cross section of the firewood stick is regular hexagon；
4) carbonization process: it will be packed into retort by the firewood stick of step 3) processing, is then shut off bell, bell and retort
Contact position closed with sandy soil, using retort heating device, under anaerobic, first by temperature control at 150 DEG C to firewood stick
It is dried, the moisture in firewood stick is evaporated, row's steam treatment is carried out after 2 hours, then proceeds by drying
Handle 1 hour；Temperature control is subjected to preliminary charing process to firewood stick at 270 DEG C, maintains 6 hours, while by generation
Gas returns to the burning of retort heating device and provides heat；Temperature control is subjected to charing process to firewood stick at 650 DEG C, maintains 16
The flue gas of generation is returned to the burning of retort heating device and provides heat, the wood vinegar of generation and wood tar are recycled by a hour
And it stores and is sold for refining；Under anaerobic, temperature is controlled and calcination processing is carried out to firewood stick at 850 DEG C, maintenance 8 is small
When, the gas of generation is returned into the burning of retort heating device, heat is provided, then the cooled to room temperature under anaerobic condition,
Up to machine-made carbon.
Machine-made carbon free from extraneous odour made from the present embodiment, machine-made carbon class impurity, section have metallic luster nothing but；Density is big,
The calorific value of every kilogram of machine-made carbon reaches 6350kcal.The present invention exponentially reduces the dosages such as sawdust, bamboo powder, while will be agriculture
Waste utilization in production gets up, and turns waste into wealth, and greatly reduces cost, greatly expands the source of mechanism carbon feedstock,
Carbon rod is easily molded, and product is not easily susceptible to cracking broken, raising final product quality.
By embodiment it is found that the present invention is with the waste cooperation traditional raw material sawdust and bamboo powder progress machine in agricultural production
The processing of charcoal processing keeps even increasing machine on the basis of exponentially reducing sawdust, bamboo powder dosage using reasonable formula
The calorific value of charcoal processing alleviates the pressure of forest tree resource protection, the waste utilization in agricultural production is got up, is turned waste into wealth, greatly
It reduces costs greatly, greatly expands the source of mechanism carbon feedstock.The present invention is by the content of cellulose in raw material and lignin
Reasonable collocation has been carried out, ensure that the density of carbon rod is big and high mechanical strength, another aspect also guarantee machine-made carbon of the present invention
Highest phosphorus content is not less than the machine-made carbon that pure sawdust is prepared as raw material；It is useless by the way that banana waste material, potato are added in formula
Material, cassava skin, cactus, stems of dragon fruits etc., serve not only as raw material, also increase raw material viscosity, especially be conducive to carbon rod at
Type is not easily susceptible to cracking product broken, improves product quality.Machine-made carbon density made from preparation method of the invention is big, volume
It is small, combustibility is good, burning time is long, fixed carbon content is high, ratio of briquetting is high, non-breakable；By carrying out exposure before baking, make
Surface moisture evaporation, to reduce the consumption of time and fuel that heat is dried；Keep the lignin in raw material effectively soft when suppressing firewood stick
Change further increases viscosity, is conducive to molding；Using a small amount of extra fuel and itself a large amount of pyrolysate burn caused by heat,
The heat supply that charcoal burns process is carried out, cost is saved.
Claims (7)
1. a kind of high heating value machine-made carbon, it is characterised in that the raw material including following parts by weight: 30~40 parts of sawdust, bamboo powder 10~20
Part, 8~10 parts of shuck, 6~8 parts of cornstalk, 6~8 parts of kaoliang stalk, 6~8 parts of soybean bar, 6~8 parts of cotton stem, tobacco leaf bar 6
~8 parts, 4~6 parts of bagasse, 2~4 parts of sesame straw, 2~4 parts of banana waste material, 1~2 part of potato waste material, 1~2 part of cassava skin,
1~2 part of cactus, 1~2 part of stems of dragon fruits, 1~2 part of tsaoko plant；
The preparation method of the high heating value machine-made carbon the following steps are included:
1) feedstock processing: by raw material after screening impurities removing, in the sun then exposure uses powder to water content 18~25%
It is the particle within 3mm that raw material after exposure is ground into diameter by broken machine；
2) raw material stoving: dryer will be sent by the raw material of step 1) processing and be dried by temperature setting at 220~240 DEG C
It is dry, dry feedstock of the water content within 10% is obtained, then by dry feedstock natural cooling；
3) it suppresses firewood stick: bar-producing machine will be sent by the dry feedstock of step 2) processing, dry feedstock is pressed into band centre bore
Firewood stick, the firewood stick natural cooling that then will be suppressed；
4) carbonization process: will be packed into retort by the firewood stick of step 3) processing, and be then shut off bell, and bell and retort connect
Synapsis is closed with sandy soil, using retort heating device, under anaerobic, is first controlled temperature at 120~150 DEG C to firewood stick
It is dried, the moisture in firewood stick is evaporated, row's steam treatment is carried out after 2~3 hours, is then proceeded by dry
1~2 hour of dry processing；Temperature control is subjected to preliminary charing process to firewood stick at 230~270 DEG C, maintains 6~8 hours,
The gas of generation is returned into the burning of retort heating device simultaneously, heat is provided；By temperature control 450~650 DEG C to firewood stick into
Row charing process maintains 12~16 hours, and the flue gas of generation is returned to the burning of retort heating device and provides heat, will be generated
Wood vinegar and wood tar recycle and store for refine sell；Under anaerobic, it is right at 750~850 DEG C temperature to be controlled
Firewood stick carries out calcination processing, maintains 8~12 hours, and the gas of generation is returned to the burning of retort heating device and provides heat, so
Afterwards under anaerobic condition cooled to room temperature to get mechanism.
2. high heating value machine-made carbon as described in claim 1, it is characterised in that further include the raw material of following parts by weight: sunflower pole
6~8 parts, 2~5 parts of cocoanut shell, 2~5 parts of coffee drupe shell, 2~5 parts of water hyacinth, 2~3 parts of rice hulls.
3. high heating value machine-made carbon as described in claim 1, it is characterised in that the shuck is pecan shell, sunflower seeds
One of shell, peanut shell, chestnut shell are a variety of.
4. high heating value machine-made carbon as described in claim 1, it is characterised in that the banana waste material be banana plant stem,
One or more of banana skin.
5. high heating value machine-made carbon as described in claim 1, it is characterised in that the potato waste material is potato plant
Stem, leaf and the potato tubers of germination.
6. high heating value machine-made carbon as described in claim 1, it is characterised in that the tsaoko plant is withered tsaoko plant
The tsaoko plant of fruit was tied.
7. high heating value machine-made carbon as described in claim 1, it is characterised in that the cross of firewood stick described in preparation method step 3)
Section is square, one of regular hexagon, circle.
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| CN109135781A (en) * | 2018-08-25 | 2019-01-04 | 西盟昌轩炭业有限责任公司 | A kind of preparation method of environment-friendly type charcoal |
| CN110117495B (en) * | 2019-05-09 | 2020-12-01 | 成都益海环保技术研究院(有限合伙) | Cow dung-based machine-made charcoal and preparation method thereof |
| CN110117496B (en) * | 2019-05-09 | 2021-06-04 | 成都益海环保技术研究院(有限合伙) | Carbonization method of cow dung-based machine-made carbon |
| CN111647417A (en) * | 2020-06-09 | 2020-09-11 | 韩雪冰 | Method for producing machine-made charcoal by using potato residues and obtained machine-made charcoal |
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