CN117586796A - Bamboo biomass carbonization system and bamboo charcoal processing method thereof - Google Patents

Bamboo biomass carbonization system and bamboo charcoal processing method thereof Download PDF

Info

Publication number
CN117586796A
CN117586796A CN202311412220.0A CN202311412220A CN117586796A CN 117586796 A CN117586796 A CN 117586796A CN 202311412220 A CN202311412220 A CN 202311412220A CN 117586796 A CN117586796 A CN 117586796A
Authority
CN
China
Prior art keywords
bamboo
carbonization
treatment
bamboo charcoal
dryer
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
Application number
CN202311412220.0A
Other languages
Chinese (zh)
Inventor
王华珍
杨建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chuangde New Bamboo Industry Co ltd
Original Assignee
Guangdong Chuangde New Bamboo Industry Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Chuangde New Bamboo Industry Co ltd filed Critical Guangdong Chuangde New Bamboo Industry Co ltd
Priority to CN202311412220.0A priority Critical patent/CN117586796A/en
Publication of CN117586796A publication Critical patent/CN117586796A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/005—After-treatment of coke, e.g. calcination desulfurization
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
    • C10B57/10—Drying
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

The invention discloses a bamboo charcoal processing method of a bamboo biomass carbonization system, which comprises the following steps: crushing: crushing bamboo wood to a length of 2-3 cm; and (3) drying: feeding the crushed bamboo into a dryer, wherein the drying temperature is 300-400 ℃ so as to remove part of water in the crushed bamboo; carbonizing treatment: sending the dried bamboo into carbonization equipment, and performing anaerobic carbonization treatment on the dried bamboo by using the carbonization equipment to generate bamboo charcoal; and (3) cooling treatment: and sending the carbonized bamboo charcoal into a cold water circulation system to reduce the temperature of the bamboo charcoal. Through the method, the moisture content of the bamboo is reduced by the drying treatment mode, the problem of energy consumption caused by evaporation of the moisture of the bamboo or reaction of H element and O element in the bamboo with fuel during charcoal fire can be reduced, and meanwhile, the generation of bamboo juice and bamboo tar can be reduced by reducing excessive carbonization reaction, so that the method has the beneficial effects of saving energy consumption, saving cost and reducing pollution.

Description

Bamboo biomass carbonization system and bamboo charcoal processing method thereof
Technical Field
The invention belongs to the technical field of renewable energy sources, and particularly relates to a bamboo biomass carbonization system and a bamboo charcoal processing method thereof.
Background
The biomass carbonization system is used for pyrolyzing biomass at a certain temperature and heating rate, and the biomass is subjected to a series of treatments such as drying and cooling to form the solid formed fuel, wherein the biomass can be converted into a high-quality energy source with low pollution and easy storage and transportation from low-grade energy.
The biomass carbonization system in the prior art is generally mainly composed of a carbonization furnace body and a cooling device. Biomass commonly used in biomass carbonization systems at present is usually wood such as straw, bamboo, or animal waste. When bamboo is used as biomass and is processed into bamboo charcoal through a carbonization system, a high-temperature distillation technology is generally adopted, namely, the bamboo is placed in a carbonization furnace body, the bottom of the carbonization furnace body is heated, the temperature in a hearth reaches 600-700 ℃, and then the bamboo in the processing process is further burned into the bamboo charcoal at 400-600 ℃ through a distillation method, more bamboo juice and bamboo tar can be produced in the processing process, and a separate drainage port is needed for collecting the bamboo juice and the bamboo tar.
Therefore, in the process of processing the bamboo charcoal, the biomass carbonization system in the prior art adopts a high-temperature distillation mode, which often causes the production of intermediates (bamboo juice and bamboo tar), so that the bamboo charcoal yield is low, the intermediates also cause product pollution, and meanwhile, the high-temperature processing can cause larger energy consumption, so that the production cost is high.
Disclosure of Invention
According to one aspect of the invention, there is provided a bamboo charcoal processing method of a bamboo biomass carbonization system, comprising:
crushing: crushing bamboo wood to a length of 2-3 cm;
and (3) drying: feeding the crushed bamboo into a dryer, wherein the drying temperature is 300-400 ℃ so as to remove part of water in the crushed bamboo;
carbonizing treatment: sending the dried bamboo into carbonization equipment, and performing anaerobic carbonization treatment on the dried bamboo by using the carbonization equipment to generate bamboo charcoal;
and (3) cooling treatment: and sending the carbonized bamboo charcoal into a cold water circulation system to reduce the temperature of the bamboo charcoal.
The bamboo charcoal processing method of the bamboo biomass carbonization system has the following beneficial effects: (1) the crushing treatment step is arranged to crush the bamboo into small blocks, and the contact area of the bamboo can be increased in the subsequent drying treatment and carbonization treatment processes, so that the distillation temperature can be reduced relatively to the prior art in the carbonization process, the effects of reducing energy consumption and saving fuel production are realized, the distillation temperature is reduced relatively, the situation that the bamboo is excessively heated to produce bamboo juice and bamboo tar can be reduced, and the bamboo charcoal yield can be improved; (2) through setting a drying treatment step, partial moisture in the bamboo is dried in advance, so that H (hydrogen) element and O (oxygen) element in the bamboo are reduced, and therefore, in the subsequent carbonization process, the problem of overlarge internal air pressure of carbonization equipment caused by evaporation of the moisture into gas in the bamboo can be solved, and meanwhile, the reaction of H element and O element in the bamboo with fuel is reduced, so that the generation of bamboo juice and tar is reduced, and the effects of reducing energy consumption and saving fuel cost are realized; (3) the carbonization treatment step is set, and the dried bamboo is subjected to anaerobic carbonization treatment by using carbonization equipment, wherein carbon bonds and hydrogen bonds in a macromolecular structure in the bamboo can be broken by anaerobic carbonization, and micromolecular non-condensable combustible gases (methane, ethane, propane, butane, CO (carbon monoxide) and hydrogen), condensable and volatilizable oil and carbon substances are formed through recombination; (4) through setting up the cooling treatment step, utilize cold water circulation system to cool down the bamboo charcoal that produces after the carbomorphism, and then follow-up warehousing and transportation of being convenient for.
In some embodiments, before the carbonization treatment, a preheating treatment step is further included, wherein the carbonization device is heated by a heating box and kept still, so that the heating box heats the whole carbonization device, and the whole carbonization device is heated uniformly.
Therefore, before carbonization treatment, the whole carbonization equipment is preheated, so that the carbonization equipment can be well protected, and the problem that the carbonization equipment is damaged due to rapid temperature rise is solved
In some embodiments, the heating temperature of the heating box to the carbonization device in the preheating treatment step is above 350 ℃, and the carbonization device is kept stand for 15 minutes, so that the whole carbonization device is heated uniformly.
Therefore, the preheating temperature of the carbonization equipment is limited to be above 350 ℃, so that the self temperature of the carbonization equipment is equal to or higher than the temperature of the dried bamboo before carbonization treatment, and the carbonization reaction of the dried bamboo is quickened, thereby improving the efficiency of carbonizing the bamboo into bamboo charcoal.
In some embodiments, in the carbonization step, the method further comprises vacuumizing, and exhausting air from the inside of the carbonization device through an air exhauster so as to enable the concentration of the air in the carbonization device to reach a relative vacuum state, and simultaneously adjusting the temperature through a heating box so as to perform anaerobic carbonization treatment on the dried bamboo to char the bamboo into bamboo charcoal.
Therefore, the air extractor is used for extracting air from the carbonization equipment so as to adjust the concentration of the internal gas to be relatively vacuum, and the carbonization equipment is heated by the heating box, so that the anaerobic carbonization treatment process is realized, and the carbonization equipment has the function of being convenient to adjust and control.
In some embodiments, the heating box adjusts the temperature of the carbonization device to 400 ℃ to 500 ℃ when the carbonization device is subjected to anaerobic carbonization treatment.
Therefore, the temperature of the carbonization equipment is controlled to be 400-500 ℃, so that the temperature of the carbonization equipment in carbonization treatment is slightly higher than that of the drying equipment, and the reaction efficiency of the carbonization equipment for converting bamboo charcoal into bamboo charcoal is accelerated.
In some embodiments, the carbonization device further comprises a preheating treatment step, wherein the preheating treatment step is performed by adjusting the temperature of the heating box to above 350 ℃ and standing for 15 minutes, so that the heating box is used for heating the whole carbonization device, and the whole carbonization device is uniformly heated to perform carbonization treatment on the inside of the drum dryer body.
Therefore, before carbonization treatment, the whole carbonization equipment is preheated, so that the carbonization equipment can be well protected, and the problem that the temperature rises rapidly and damage occurs is solved.
In some embodiments, in the carbonization step, the method further comprises vacuumizing, and exhausting air from the inside of the carbonization device through an air exhauster to enable the concentration of air in the carbonization device to reach a relative vacuum state, and adjusting the temperature to 400-500 ℃ through a heating box at the same time, so as to perform anaerobic carbonization treatment on the dried bamboo to char the bamboo into bamboo charcoal.
Therefore, the air extractor is used for extracting air from the carbonization equipment so as to adjust the concentration of the internal gas to be relatively vacuum, and the carbonization equipment is heated by the heating box, so that the anaerobic carbonization treatment process is realized, and the carbonization equipment has the function of being convenient to adjust and control.
In some embodiments, the method further comprises the steps of: and (3) packaging: after the cooling treatment, the cooled bamboo charcoal is sent into a ton bag packer for ton bag packing to form bagged bamboo charcoal.
Therefore, the cooled bamboo charcoal can be packed in ton bags through a packer, and the function of convenient storage and transportation is realized.
In some embodiments, after the comminution process, discharging the comminuted bamboo material into a dryer using a first helical feeder; and after the drying treatment, discharging the dried bamboo wood into carbonization equipment by using a second spiral feeder.
Therefore, the method has the effect of being convenient for smooth transmission of crushed bamboo and dried bamboo.
A bamboo biomass carbonization system comprises a crushing mechanism for crushing bamboo, a dryer for drying, carbonization equipment for carbonization treatment and a cold water circulation system for cooling treatment;
a crushed material discharge hole of the crushing mechanism is connected with a first spiral feeding mechanism;
the crushing mechanism is connected with the dryer through the first spiral feeding mechanism so as to provide crushed bamboo materials for the dryer, and a drying discharge hole of the dryer is connected with the second spiral feeding mechanism;
the carbonization equipment comprises a horizontal cylindrical incinerator and a heating box; the horizontal cylinder type incinerator penetrates through the heating box, and the heating area of the heating box covers the periphery of the horizontal cylinder type incinerator; the dryer is connected with the horizontal cylinder type incinerator through a second spiral feeding mechanism so as to provide dried bamboo materials for the carbonization equipment;
the horizontal cylinder type incinerator is connected with a cold water circulation system to provide bamboo charcoal for the cold water circulation system.
The bamboo biomass carbonization system has the following beneficial effects: according to the invention, the crushing mechanism, the dryer, the carbonization equipment and the cold water circulation system are arranged, and the bamboo is crushed into small blocks by the crushing mechanism, so that the contact area of the subsequent drying and carbonization processes is increased, and the working efficiency is improved; the moisture in the crushed bamboo is dried by a dryer, and meanwhile, hydrogen elements and oxygen elements in the bamboo are reduced, so that the reaction of the hydrogen elements and the oxygen elements in the bamboo with fuel in the subsequent carbonization process is reduced, and the cost is saved; carbonizing the dried bamboo by using high-temperature carbonization equipment so as to generate bamboo charcoal; the cold water circulation system is used for rapidly cooling the bamboo charcoal. Therefore, the bamboo biomass carbonization system is used for producing bamboo charcoal, and has the beneficial effects of saving fuel and improving working efficiency.
In some embodiments, the cold water circulation system comprises a horizontal feeding cylinder, a spiral feeding rod and a spiral condensing pipe, wherein the horizontal feeding cylinder is provided with a cooling feeding hole and a cooling discharging hole, the spiral feeding rod is arranged in the horizontal feeding cylinder, the transmission direction of the spiral feeding rod is parallel to the horizontal feeding cylinder, the spiral condensing pipe is arranged in the bedroom feeding cylinder, one end of the spiral condensing pipe is connected with a condensing tank, the other end of the spiral condensing pipe is connected with a water pump, and the water pump is connected into the condensing tank away from a port of the spiral condensing pipe.
Therefore, the cold water circulation system is used for the cooling treatment step of the invention, the water circulation condensation effect is realized by arranging the spiral condensation pipe, the condensation pool and the water pump, the cooling effect on heating bamboo charcoal is improved, and meanwhile, the function of cooling the bamboo charcoal and simultaneously transmitting the bamboo charcoal forward can be realized by arranging the spiral feeding rod in the bedroom feeding barrel.
In some embodiments, the dryer includes a drum dryer body having a drying feed inlet and a drying discharge outlet, a blower having an air inlet and an air outlet, a cooling tower connected to the air inlet through a pipe, and a spray tower connected to the cooling tower through a pipe.
Therefore, when the dryer structure is used in the drying treatment step of the invention, the problem that the air pressure in the inner space is increased due to the generation of high-temperature gas during the operation of the dryer can be solved, the air guiding function of the air blower is utilized for guiding air, the high-temperature gas is further condensed and cooled in the cooling tower, and finally, the high-temperature gas is discharged through the spray tower as vaporific gas, so that the drying treatment step is more stable and efficient.
Drawings
FIG. 1 is a schematic structural connection diagram of a bamboo biomass carbonization system according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for processing bamboo charcoal in a bamboo biomass carbonization system according to an embodiment of the invention.
In the figure:
1. a crushing mechanism;
2. a first spiral feeding mechanism;
3. a dryer; 31. a hot gas furnace; 32. a drum dryer body; 33. a blower; 34. a cooling tower; 35. a spray tower;
4. a second spiral feeding mechanism;
5. carbonization equipment; 51. a horizontal cylinder type incinerator; 52. a heating box;
6. a cold water circulation system; 61. a horizontal feeding cylinder.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Before explaining the bamboo charcoal processing method, firstly, the structure of the bamboo biomass talking system adopted by the invention is explained so as to facilitate the follow-up better understanding of the bamboo charcoal processing method.
Fig. 1 schematically shows a bamboo biomass carbonization system according to the present invention, which comprises a pulverizing mechanism 1, a first screw feeding mechanism 2, a dryer, a second screw feeding mechanism 4, a carbonization device 5, a cold water circulation system 6, and a packing mechanism (not shown).
The crushing mechanism 1 is used for cutting bamboo materials, so that the bamboo materials form uniform small blocks or particles after being rolled and sheared. The crushing mechanism 1 has a crushing outlet.
The first spiral feeding mechanism 2 is arranged between the crushing mechanism 1 and the dryer 3, and a crushing discharge hole is connected to the dryer 3 through the first spiral feeding mechanism 2 and used for conveying crushed bamboo wood into the dryer.
A dryer 3 including a hot gas furnace 31 having a gas generating port opposite to a gas inlet of the dryer 3, a drum dryer body 32, a blower 33, a cooling tower 34, and a spray tower 35, the hot gas furnace for generating hot gas and introducing into the dryer 3 to dry bamboo; the drum dryer body has a drying inlet and a drying outlet to discharge and discharge crushed bamboo, and the drum dryer body 32 dries the crushed bamboo by hot air introduced from the hot air furnace 31 until the moisture content of the bamboo is 20% or less. The tail of the drum dryer body 32 is provided with an exhaust port, the blower 33 is provided with an air inlet and an air outlet, the air inlet is communicated with the exhaust port through a pipeline, the air outlet is connected into the cooling tower 34 through a pipeline, and the cooling tower 34 is connected into the spray tower 35 through a pipeline.
The second spiral feeding mechanism 4 is arranged between the dryer and the carbonization equipment 5, and a drying discharge hole is connected to the carbonization equipment 5 through the second spiral feeding mechanism 4 and used for conveying dried bamboo wood into the carbonization equipment 5.
The carbonization device 5 includes a horizontal cylindrical incinerator 51 and a heating box 52; the horizontal type cylindrical incinerator 51 penetrates the heating box 52, and the heating area of the heating box 52 covers the outer circumference of the horizontal type cylindrical incinerator 51 to heat the horizontal type cylindrical incinerator 51; the horizontal cylinder type incinerator 51 has an incineration feed port and an incineration discharge port to discharge or discharge the dried bamboo, the dried bamboo enters the horizontal cylinder type incinerator 51 through the incineration feed port, and the carbonized bamboo charcoal in the horizontal cylinder type incinerator 51 is discharged from the incineration discharge port and enters the cold water circulation system 6.
The cold water circulation system 6 includes a horizontal feed cylinder 61, a screw feed rod (not shown), a screw condenser tube (not shown), a condensing tank (not shown), and a water pump (not shown), the horizontal feed cylinder 61 has a cooling feed port and a cooling discharge port, the cooling feed port is used for receiving the bamboo charcoal carbonized by the carbonizing device 5 through a pipe or a valve (an electromagnetic valve, a one-way valve, etc.), and discharging the bamboo charcoal cooled by the cold water circulation system 6, the screw feed rod is arranged in the horizontal feed cylinder 61 for horizontally conveying the bamboo charcoal, the screw condenser tube is arranged in the bedroom feed cylinder, the length direction of the screw condenser tube is consistent with the length direction of the horizontal feed cylinder 61, one end of the screw condenser tube is connected into the condensing tank through the pipe, the other end of the screw condenser tube is connected with the water pump through the pipe, the water pump is far away from the port of the screw condenser tube and is connected into the condensing tank through the pipe, so as to realize circulating conveying of the condensed liquid in the designated direction by the water pump, and to cool the condensed liquid in the screw condenser tube by the condensing tank.
Based on the above structural description about the bamboo biomass carbonization system, the following details regarding the bamboo charcoal processing method of the bamboo charcoal biomass carbonization system are as follows with reference to fig. 2:
a bamboo charcoal processing method of a bamboo biomass carbonization system comprises the following steps:
1) Crushing: binding a specified amount of bamboo wood, putting the bamboo wood into a pulverizer 1, and pulverizing the bamboo wood into blocks or particles with the length of 2-3 cm by using the pulverizer 1.
2) And (3) drying: after the crushing treatment, the crushed bamboo is sent into a dryer 3 by using a first spiral feeding mechanism 2, the drying temperature is adjusted to 300-400 ℃, part of water in the crushed bamboo is removed at high temperature, and the water content of the crushed bamboo is controlled below 20% by adjusting the time length so as to reduce water molecules, H elements and O elements in unit bamboo.
Further, during the drying process, a large amount of high temperature gas is generated in the drum dryer body 32, and under the guiding effect of the blower 33, the high temperature gas enters the cooling tower 34 through the exhaust port of the drum dryer body 32, the cooling tower 34 is utilized to cool or condense the high temperature gas into water mist, and the low temperature gas flow (cooling gas and/or water mist) further enters the spray tower 35, so that the mist gas is discharged from the spray tower 35.
3) Preheating treatment of carbonization equipment: the self temperature is regulated to be above 350 ℃ by the heating box 52 and kept stand for 15 minutes, so that the heating box is used for integrally heating the carbonization equipment 5, and the whole carbonization equipment 5 is uniformly heated, so that the carbonization equipment 5 is subjected to carbonization treatment.
4) Carbonizing treatment: after the drying treatment, the dried bamboo wood is discharged into the horizontal cylinder type incinerator 51 of the carbonization device 5 by using the second spiral feeder, the horizontal cylinder type incinerator 51 is pumped by an air pump, so that the concentration of the internal gas in the horizontal cylinder type incinerator 51 reaches a relative vacuum state, and meanwhile, the temperature is regulated to 400-500 ℃ by using the heating box 52, so that the dried bamboo wood is subjected to anaerobic carbonization treatment, and the bamboo wood is carbonized into bamboo charcoal. Meanwhile, in the carbonization process, the bamboo, a small amount of H element and O element in the bamboo react with fuel to generate a small amount of bamboo gas, bamboo juice and bamboo tar, wherein the small amount of bamboo gas generated by the bamboo burnt by the horizontal cylinder type incinerator 51 circularly generates heat in the horizontal type incinerator, so that the carbonization reaction can be further provided with energy, and meanwhile, the generated bamboo juice and bamboo tar can reduce the content of the H element and O element in the bamboo after being dried by the front dryer 3, so that the generation of the bamboo juice and the bamboo tar can be reduced in the carbonization process of the carbonization equipment 5, and the energy consumption and the pollution can be reduced.
5) And (3) cooling treatment: the bamboo charcoal generated after carbonization is sent into a cold water circulation system 6, the bamboo charcoal is conveyed forwards in a horizontal feeding cylinder 61 by a spiral feeding rod, and condensate in a spiral condensing pipe is used for absorbing the heat of the bamboo charcoal, so that the temperature of the bamboo charcoal is reduced, and the cooling effect is achieved.
6) And (3) packaging: after cooling treatment, the cooled bamboo charcoal is sent into a ton bag packer for ton bag packing to form bagged bamboo charcoal, thereby realizing the function of convenient storage and transportation. Wherein the ton bag baler is a conventional baler.
In summary, the bamboo charcoal processing method of the bamboo biomass carbonization system mainly comprises six processes of crushing treatment, drying treatment, preheating treatment, carbonization treatment, cooling treatment and packaging treatment, and has the following beneficial effects:
(1) the crushing treatment step is arranged to crush the bamboo into small blocks, and the contact area of the bamboo can be increased in the subsequent drying treatment and carbonization treatment processes, so that the distillation temperature can be reduced relatively to the prior art in the carbonization process, the effects of reducing energy consumption and saving fuel production are realized, the distillation temperature is reduced relatively, the situation that the bamboo is excessively heated to produce bamboo juice and bamboo tar can be reduced, and the bamboo charcoal yield can be improved;
(2) through setting a drying treatment step, partial moisture in the bamboo is dried in advance, so that water molecules, H elements and O elements in the bamboo are reduced, and therefore, in the subsequent carbonization process, the problem that the internal air pressure of carbonization equipment 5 is overlarge due to evaporation of a large amount of moisture in the bamboo into gas at high temperature can be solved, meanwhile, the reaction of H elements and O elements in the bamboo with fuel is reduced, the generation of bamboo juice and bamboo tar is reduced, and the effects of reducing energy consumption and saving fuel cost are realized;
(3) by providing the preheating step, the horizontal cylindrical incinerator 51 is preheated before the carbonization treatment, and the horizontal cylindrical incinerator 51 can be in a relatively high-temperature state before the carbonization operation, so that the problem that the horizontal cylindrical incinerator 51 is damaged due to sudden and rapid temperature rise can be reduced when the carbonization operation is performed subsequently, and the function of well protecting the horizontal cylindrical incinerator 51 can be realized.
(4) The carbonization treatment step is set, and the carbonized bamboo is subjected to anaerobic carbonization treatment by using carbonization equipment 5, wherein the anaerobic carbonization can break carbon bonds and hydrogen bonds in a macromolecular structure in the bamboo, and micromolecular non-condensable combustible gases (A, B, C, butane, CO and hydrogen), condensable and volatilizable oil and carbon substances are formed through recombination;
(5) by arranging the cooling treatment step, the cold water circulation system 6 is utilized to cool the bamboo charcoal produced after carbonization, thereby facilitating the subsequent storage and transportation. The cold water circulation system 6 realizes condensate water circulation by using the spiral condensing pipe, the condensing tank and the water pump, and has the function of high efficiency in operation.
(6) Through setting up the packing treatment step, carry out ton bag packing with the bamboo charcoal after the cooling, have the effect of being convenient for warehousing and transportation.
The foregoing are merely some embodiments of the invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.

Claims (10)

1. The bamboo charcoal processing method of the bamboo biomass carbonization system is characterized by comprising the following steps of:
crushing: crushing bamboo wood to a length of 2-3 cm;
and (3) drying: feeding the crushed bamboo into a dryer, wherein the drying temperature is 300-400 ℃ so as to remove part of water in the crushed bamboo;
carbonizing treatment: sending the dried bamboo into carbonization equipment, and performing anaerobic carbonization treatment on the dried bamboo by using the carbonization equipment to generate bamboo charcoal;
and (3) cooling treatment: and sending the carbonized bamboo charcoal into a cold water circulation system to reduce the temperature of the bamboo charcoal.
2. The method of processing bamboo charcoal according to claim 1, further comprising a preheating step of heating and standing the carbonizing apparatus by a heating box to heat the carbonizing apparatus as a whole and to heat the carbonizing apparatus as a whole uniformly, before the carbonizing treatment.
3. The method according to claim 2, wherein the heating temperature of the heating tank to the carbonizing apparatus in the preheating step is 350 ℃ or higher, and the carbonizing apparatus is left to stand for 15 minutes to uniformly heat the whole carbonizing apparatus.
4. The method according to claim 1, further comprising, in the carbonizing step, evacuating the inside of the carbonizing apparatus by an evacuating machine so that the gas concentration in the inside of the carbonizing apparatus reaches a relatively vacuum state, and at the same time, adjusting the temperature by a heating box so as to perform anaerobic carbonization treatment on the dried bamboo to char the bamboo into bamboo charcoal.
5. The method according to claim 1, wherein the heating box adjusts the temperature of the carbonization device to 400 ℃ to 500 ℃ when the carbonization device performs anaerobic carbonization treatment.
6. The bamboo charcoal processing method according to claim 1, further comprising the steps of:
and (3) packaging: and after the cooling treatment, sending the cooled bamboo charcoal into a ton bag packer for ton bag packing to form bagged bamboo charcoal.
7. The method of processing bamboo charcoal according to claim 1, wherein after the pulverizing treatment, the pulverized bamboo is discharged into a dryer using a first screw feeder; and after the drying treatment, discharging the dried bamboo wood into carbonization equipment by using a second spiral feeder.
8. A bamboo biomass carbonization system, comprising:
the crushing mechanism is used for crushing bamboo materials, and a crushed material discharge hole of the crushing mechanism is connected with a first spiral feeding mechanism;
the crushing mechanism is connected with the dryer through the first spiral feeding mechanism so as to provide crushed bamboo materials for the dryer, and a drying discharge hole of the dryer is connected with the second spiral feeding mechanism;
the carbonization equipment comprises a horizontal cylindrical incinerator and a heating box; the horizontal cylinder type incinerator penetrates through the heating box, and the heating area of the heating box covers the periphery of the horizontal cylinder type incinerator; the dryer is connected with the horizontal cylinder type incinerator through a second spiral feeding mechanism so as to provide dried bamboo materials for the carbonization equipment; and
and the horizontal cylinder type incinerator is connected with the cold water circulation system to provide bamboo charcoal for the cold water circulation system.
9. The bamboo wood biomass carbonization system according to claim 8, wherein the cold water circulation system comprises a horizontal feeding cylinder, a spiral feeding rod and a spiral condensing pipe, the spiral feeding rod is arranged in the horizontal feeding cylinder, the transmission direction of the spiral feeding rod is parallel to the horizontal feeding cylinder, the spiral condensing pipe is arranged in the bedroom feeding cylinder, one end of the spiral condensing pipe is connected with a condensing tank, the other end of the spiral condensing pipe is connected with a water pump, and a port of the water pump far away from the spiral condensing pipe is connected into the condensing tank.
10. The bamboo biomass carbonization system according to claim 8, wherein the dryer comprises a drum dryer body, a blower, a cooling tower and a spray tower, a drying discharge port of the drum dryer is further provided with an exhaust port, an air inlet of the blower is communicated with the exhaust port through a pipeline, an air outlet of the blower is connected into the cooling tower through a pipeline, and the cooling tower is connected into the spray tower through a pipeline.
CN202311412220.0A 2023-10-27 2023-10-27 Bamboo biomass carbonization system and bamboo charcoal processing method thereof Pending CN117586796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311412220.0A CN117586796A (en) 2023-10-27 2023-10-27 Bamboo biomass carbonization system and bamboo charcoal processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311412220.0A CN117586796A (en) 2023-10-27 2023-10-27 Bamboo biomass carbonization system and bamboo charcoal processing method thereof

Publications (1)

Publication Number Publication Date
CN117586796A true CN117586796A (en) 2024-02-23

Family

ID=89917307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311412220.0A Pending CN117586796A (en) 2023-10-27 2023-10-27 Bamboo biomass carbonization system and bamboo charcoal processing method thereof

Country Status (1)

Country Link
CN (1) CN117586796A (en)

Similar Documents

Publication Publication Date Title
US4477257A (en) Apparatus and process for thermal treatment of organic carbonaceous materials
US8980064B2 (en) Pyrolytic process and apparatus for producing biomass char and energy
AU2010203110B2 (en) Method and System for the Torrefaction of Lignocellulosic Material
CN101429463B (en) Process for processing coal with low degree of metamorphism
WO2007039233A1 (en) Method and device for pelletizing unprocessed cellulosic fibrous material
US20110290788A1 (en) Method and apparatus for processing fragmented material by pyrolysis
CN101955782B (en) Coal pyrolysis method
CN103224802B (en) Biomass drying and carbonization system and application thereof
KR101938370B1 (en) Apparatus for producing solid fuel of hydrothermal carbonizaion producion and method therefor
CN111978967A (en) Biomass radiation microwave coupling pyrolysis system and method
CN103951149A (en) Technology for preparing biochar through organic wastes
EP3247777A1 (en) A method and apparatus for thermochemically processing material
WO2012171078A1 (en) A process for drying material and dryer for use in the process
CN101871649A (en) System for pyrolyzing and burning sludge at low temperature
CN111362551A (en) Two-stage sludge drying and incinerating system of coal-fired power plant and operation method
CN201852110U (en) Sludge low-temperature themolysis incineration system
CN117448020A (en) Biomass external-heat rotary pyrolysis heat supply process and system with chain structure
CN117586796A (en) Bamboo biomass carbonization system and bamboo charcoal processing method thereof
KR20120119888A (en) Method of manufacturering lowly absorbent powder f
CN110817866A (en) Process for obtaining activated carbon by physical activation method
CN110526543A (en) A kind of system and method coupling coal-fired incineration disposal suitable for sludge
CN203411452U (en) Sludge carbonization and carbon recovery device for oil refinery
CN110564431B (en) Wet garbage dehydration pyrolysis method and system
JP2004359898A (en) Method for producing coke by using woody material-based biomass
CN112899003A (en) Multifunctional full-automatic biomass carbonization system and biomass carbonization method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication