CN106281378A - A kind of external-heat continuous charcoal production system - Google Patents
A kind of external-heat continuous charcoal production system Download PDFInfo
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- CN106281378A CN106281378A CN201610964145.2A CN201610964145A CN106281378A CN 106281378 A CN106281378 A CN 106281378A CN 201610964145 A CN201610964145 A CN 201610964145A CN 106281378 A CN106281378 A CN 106281378A
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- heat
- carbonization
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- cracking chamber
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of external-heat continuous charcoal production system, including carbonization system, heating system, waste heat recovery system and cracked oil gas separating system, wherein, described carbonization system is by cracking chamber, heat-insulation layer, material transferring and mixing component, heat of carbonization circulation road forms, cracking chamber is cylindrical, material transferring and mixing component are installed in cracking chamber, in cracking chamber, outer wrap has heat-insulation layer, it is provided with described heat of carbonization circulation road between cracking cavity outer wall and heat-insulation layer, heat of carbonization circulation road is surrounded on cracking cavity outer wall in the shape of a spiral, the heating airflow inlet of heat of carbonization circulation road is connected with heating system, the gas outlet of heat of carbonization circulation road is connected with waste heat recovery system；Cracked oil gas separating system connects with cracking intracavity.The present invention can regulate and control the maximum temperature required for carbonization exactly, it is possible to provides stable heating environment for cracking chamber, and forms a thermograde from back to front, contributes to customizing the character of charcoal.
Description
Technical field
The present invention relates to a kind of external-heat continuous charcoal production system, belong to biomass carbonization technical field.
Background technology
Charcoal technology is that the such as biomass such as agricultural crop straw and forestry waste or derivatives thereof is carried out carbonization, so
After be applied to soil in a certain way to obtain carbon solidification effect and economic, ecological, the scientific and technical theory of environmental gain.This technology
It it is a focus of the climate change research of international academic community reply in recent years.The acquisition of charcoal is that charcoal technical research is indispensable
Few premise and basis.Along with charcoal technical research from laboratory to pilot scale or the transformation of field research, the most indoor little
The charcoal of scale produces the demand that can not meet scientific research development, and must develop the equipment that can produce charcoal in batches.
Fall over each other development for this World Developed Countries such as English, U.S., Australia etc. and there is certain production-scale charcoal production equipment.I
Guo Shi large agricultural country, has huge agricultural resource, has wide charcoal technology application prospect, charcoal technical research Fang Xing
Do not end.The same with international research, the charcoal technical research of domestic many units the most from desk research be main turning to greatly
Field application observational study is the main stage, and the shortage of large number of biological charcoal has constituted the technology bottle stem of China's charcoal technical research, because of
This can produce the charcoal production system meeting international bio charcoal standard in batches in the urgent need to development.
For meeting the charcoal technology field research wilderness demand to charcoal, the most relevant research and development institution or individual open
The research and development of charcoal mass production facilities are opened up.Wherein China national patent " a kind of charcoal modified device and method " (application
Number ZL201420846944.6) disclose one and both biomass can be carried out carbonization, its carbonization being modified can be set again
Standby.But this equipment uses electrical heating and the batch mode of production, the generation of heat gradient relies on from low temperature to high temperature at a slow speed
Heating, carbonation rate is slow, effectively can not recycle cracking oil gas produced by carbonization.Patent is " a kind of biological
Matter carbonizing apparatus " (application number ZL201410185600.X) disclose a kind of continuous biomass carbonizing apparatus, and throughput rate is high,
Cracking oil gas can be introduced directly into combustion system burning, and the carbonization for biomass provides the energy, reduces outside carbonization energy
The demand in source.But owing to have employed the method that cracking cavity is directly heated by combustion system in its technical scheme, carbonization adds
Heat is uneven, there is the high temperature speckle of heating, it is difficult to accurately control the maximum temperature of carbonization.International bio charcoal association is met for producing
The high standard charcoal that can recommend, carbonizing apparatus is required to accurately regulate and control the maximum temperature of carbonization, needs for cracking cavity wound
Make uniform heating environment.For improving the throughput rate of charcoal, carbonization technique does not need only have the continuous print mode of production, also
Need to bring up a temperature distribution gradients from low temperature to high temperature.To this end, this patent application discloses a kind of based on dry distilling at a slow speed
The continuous production technology of external-heat charcoal of method principle.
Summary of the invention
The technical problem to be solved in the present invention is: provides a kind of external-heat continuous charcoal production system, overcomes existing life
Thing charcoal produces the deficiency of equipment, regulates and controls key technical index in carbonisation, thus produces and meet international high-quality mark
Accurate charcoal.
The technical scheme is that a kind of external-heat continuous charcoal production system, including feed system, carbonization system
And discharge system, also include heating system, waste heat recovery system and cracked oil gas separating system, wherein, described carbonization system by
Cracking chamber, heat-insulation layer, material transferring and mixing component, heat of carbonization circulation road composition, cracking chamber is cylindrical, material transferring
Being installed in cracking chamber with mixing component, for realizing the stirring to material and transmission, in cracking chamber, outer wrap has heat-insulation layer,
Being provided with described heat of carbonization circulation road between cracking cavity outer wall and heat-insulation layer, heat of carbonization circulation road is surrounded on cracking chamber in the shape of a spiral
Outer wall, the heating airflow inlet of heat of carbonization circulation road is connected with heating system, gathers with waste heat in the gas outlet of heat of carbonization circulation road
System connects；Cracked oil gas separating system connects with cracking intracavity.
Described heating system includes heating furnace and combustor, is provided with combustor flame and enters in described heating furnace bore wall
Mouthful, heating furnace is connected with combustor by this flame import.
The charging aperture of described combustor respectively with fuel storage and feeding mechanism, waste heat recovery system and cracking Oil-gas Separation
System connects.
It is additionally provided with unidirectional air-valve at described heating furnace end wall, combustor charging aperture is provided with control valve, this unidirectional wind
Valve and control valve are connected with the temperature probe being installed on heating furnace and cracking intracavity by temperature controller.
Described waste heat recovery system is made up of air heat exchanger and steam transmission pipeline, steam transmission pipeline and combustor
Charging aperture connects.
Described cracked oil gas separating system is by cracked oil gas delivery line, refrigerated separation device and cracking synthesis gas delivery line group
Becoming, wherein cracked oil gas delivery line is connected with cracking top, chamber oil gas porus excretorius, for cracked oil conductance enters refrigerated separation dress
Putting, cracking synthesis gas delivery line one end is connected with refrigerated separation device, and the other end is connected with the charging aperture of combustor.
Described feed system includes feed hopper and feeding spiral conveyer, wherein, feed hopper lower exit port and feed auger
Conveyer one end connects, and the other end of feeding spiral conveyer connects through end wall with cracking chamber.
Described discharge system includes discharging spiral conveyor and cooling system, wherein, discharging spiral conveyor and cooling system
System connects.
Described material transferring and mixing component are by helical axis and adhere to paddle blade thereon and form.
The invention has the beneficial effects as follows: can biomass be that cracking process charcoal produces at a slow speed by the most even slow heat
Key.For external-heat cracking process, the uniform heating of biomass to be accomplished, not only need stirring and the mixing of biomass,
Also need to bring up a uniform Temperature Distribution outside cracking chamber；And the slow heat of biomass to be accomplished, maximally effective side
Method is to create a thermograde outside cracking chamber, and biomass pass through the mistake that the process of this thermograde is exactly slow heat
Journey.Compared with the charcoal production system of same design thinking, the design is the most creative in terms of above-mentioned two.First originally
It is designed with heating furnace in order to regulate carbonization maximum temperature, owing to the temperature of combustor flame is more than 1000 DEG C, directly
The heating of cracking chamber has been exceeded significantly the permissible value of carbonization maximum temperature at a slow speed.And just can be at it by flame one burner hearth of introducing
In temperature is adjusted, the most again cracking chamber is heated, thus can avoid directly heating the temperature that cracking chamber is caused
Spend high problem.The highest carburizing temperature that is designed as of heating furnace provides an important technical guarantee.At heating furnace
After thorax, the design have employed helical form and adds thermal current passway counterincision solution chamber and carry out circulating type heating, not only homogeneous heating, also from
A thermograde is created before backward.
Improve energy utilization rate, reduce the eternal theme that energy resource consumption is charcoal production.The present invention heats tail
Gas waste heat is gathered the realization utilizing technology to be conducive to this target, and this is the Section 3 technological innovation of the design.Helical feed formula carbon
Changing chamber is the technical scheme that domestic and international continuous way charcoal equipment is conventional, but the multiplex entity spiral of the conveying of material.The present invention will
Entity spiral changes oar blade type into, enhances the agitating function to material, constitutes the Section 4 technological innovation of the design.
It addition, oil gas produced by biomass cracking can be separated by cracked oil gas separating system in the present invention, separate
After heavy oil recoverable, gas uses as the raw material of combustor, so can recycle heavy oil resources, be avoided that again
The pollution problem that combustion gas causes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In figure, 1, heat of carbonization circulation road, 2, heat-insulation layer, 3, cracking chamber, 4, feeding spiral conveyer, 5, feed hopper, 6, steam passes
Defeated pipeline, 7, air heat exchanger, 8, cracked oil gas delivery line, 9, refrigerated separation device, 10, cracking synthesis gas delivery line, 11, go out
Material conveying worm, 12, unidirectional air-valve, 13, heating furnace, 14, flame import, 15, combustor, 16, control valve, 17, charging
Mouthful, 18, oil gas porus excretorius.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made into one
Step ground describes in detail.
As it is shown in figure 1, external-heat of the present invention continuous charcoal production system, including feed system, carbonization system, discharging system
System, heating system, temperature control system, waste heat recovery system and cracked oil gas separating system.
Carbonization system by cracking chamber 3, heat-insulation layer 2, material transferring and mixing component, heat of carbonization circulation road 1 forms, wherein,
Cracking chamber 3 uses heat-resisting cylindrical tube to make, and in cracking chamber 3, outer wrap has heat-insulation layer 2, in cracking chamber 3 outer wall and insulation
Being provided with described heat of carbonization circulation road 1 between layer 2, heat of carbonization circulation road 1 is surrounded on cracking chamber 3 outer wall, carbonization hot-fluid in the shape of a spiral
The heating airflow inlet of passage 1 is connected with heating system, and material transferring and mixing component are installed in cracking chamber 3, by helical axis
And adhere to paddle blade thereon composition, paddle blade plane with helical axis axis direction at an angle, is used for realizing material
Stirring and transmission.
Feed system includes feed hopper 5 and feeding spiral conveyer 4, and wherein, feed hopper 5 lower exit port is defeated with feed auger
Sending machine 4 one end to connect, the other end of feeding spiral conveyer 4 connects through end wall with cracking chamber 3.
Discharge system includes discharging spiral conveyor 11 and cooling system, wherein, discharging spiral conveyor 11 and cooling system
System connects.Cooling system can use the type of cooling of routine, it is possible to arranges cooling cavities at discharging spiral conveyor 11 outer wall, uses
In realizing circulating of cooling water.
Heating system includes heating furnace 13) and combustor 15, heating furnace 13 wall arranges flame import 14 and list
To air-valve 12, to allow heat be entered in heat of carbonization circulation road 1 by this flame import 14, and make the heat in heating furnace 13
Measure unidirectional being flowed in heat of carbonization circulation road 1；The charging aperture 17 of combustor 15 is adopted with fuel storage and feeding mechanism, waste heat respectively
Receipts system and cracked oil gas separating system connect；Combustor 15 charging aperture 17 is also equipped with control valve 16, this control valve 16
All be connected with temperature controller with unidirectional air-valve 12, temperature controller again be installed on heating furnace 13 and cracking chamber 3 in temperature
Degree probe connects, and such temperature controller can be by controlling the aperture of control valve 16 and unidirectional air-valve 12, to realize system
The regulation and control of carburizing temperature.
Waste heat recovery system is made up of air heat exchanger 7 and steam transmission pipeline 6, the arrival end of air heat exchanger 7 and carbon
The heat outlet end connection of heat-transformation circulation road 1, steam transmission pipeline 6 end is connected with the charging aperture 17 of combustor 15, for real
Existing preheating of air and transmission.Wherein air heat exchanger 7 is conventional heat exchanger.
Cracked oil gas separating system is by cracked oil gas delivery line 8, refrigerated separation device 9 and cracking synthesis gas delivery line 10 groups
Becoming, cracked oil gas delivery line 8 is connected with cracking top, chamber 3 oil gas porus excretorius 18, for cracked oil conductance enters refrigerated separation dress
Putting 9, described cracking synthesis gas delivery line 10 one end is connected with refrigerated separation device 9, the other end and the charging aperture 17 of combustor 15
Connect.At work, oil gas produced by biomass cracking can be separated by cracked oil gas separating system, the heavy oil after separation
Recoverable, gas uses as the raw material of combustor 15, so can recycle heavy oil resources, is avoided that again combustion gas is made
The pollution problem become.Wherein refrigerated separation device 9 is conventional oil gas refrigerated separation device.
In invention, aforementioned system can be fixedly mounted on a moveable support, in order to whole production system
Movement.
The work process of the present invention is: when biomass are when cracking in chamber 3 by rotating carbonization, the cracking oil gas of its generation
Being separated into bio oil and synthesis gas via cracked oil gas separating system, bio oil can be recycled, and synthesis gas is carried also
As the fuel of combustor 15, the steam that burning produces adjusts through entering transition in flame hole 14 enters heating furnace 13, then by
In being transported to heat of carbonization circulation road 1, cracking chamber 3 is heated, is then exported by hot air outlet and pass waste heat recovery system,
In waste heat recovery system, therefore the gas of steam transmission pipeline 6 be preheated, and is transported to combustor 15 charging aperture 17 by pipeline
Use or preheat biotinylated biomolecule matter etc. to use as combustion air.Biomass material is input to carbonization cavity through raw material funnel,
Carbonization cavity is stirred, is fed forward, is heated carbonization simultaneously, complete the material after carbonization and be transported to cooling system,
Cooling spiral conveyer is cooled output while being fed forward.It is thusly-formed continuous print charcoal to produce.
Claims (9)
1. an external-heat continuous charcoal production system, including feed system, carbonization system and discharge system, its feature exists
In: also including heating system, waste heat recovery system and cracked oil gas separating system, wherein, described carbonization system is by cracking chamber
(3), heat-insulation layer (2), material transferring and mixing component, heat of carbonization circulation road (1) composition, cracking chamber (3) in cylindrical, thing
Material transmission and mixing component are installed in cracking chamber (3), for realizing the stirring to material and transmission, outside in cracking chamber (3)
It is enclosed with heat-insulation layer (2), between cracking chamber (3) outer wall and heat-insulation layer (2), is provided with described heat of carbonization circulation road (1), the heat of carbonization
Circulation road (1) is surrounded on cracking chamber (3) outer wall, the heating airflow inlet of heat of carbonization circulation road (1) and heating system in the shape of a spiral
Connecting, the gas outlet of heat of carbonization circulation road (1) is connected with waste heat recovery system；Cracked oil gas separating system is interior with cracking chamber (3)
Connection.
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described heating system includes
Heating furnace (13) and combustor (15), be provided with flame import (14), heating furnace on described heating furnace (13) wall
(13) connected with combustor (15) by this flame import.
External-heat the most according to claim 2 continuous charcoal production system, it is characterised in that: described combustor (15)
Charging aperture (17) is connected with fuel storage and feeding mechanism, waste heat recovery system and cracked oil gas separating system respectively.
External-heat the most according to claim 2 continuous charcoal production system, it is characterised in that: at described heating furnace
(13) end wall is additionally provided with unidirectional air-valve (12), is provided with control valve (16) on combustor (15) charging aperture (17), this unidirectional air-valve
(12) connected with the temperature probe being installed in heating furnace (13) and cracking chamber (3) by temperature controller with control valve (16)
Connect.
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described waste heat recovery system
It is made up of air heat exchanger (7) and steam transmission pipeline (6), steam transmission pipeline (6) and the charging aperture (17) of combustor (15)
Connect.
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described cracking Oil-gas Separation
System is made up of cracked oil gas delivery line (8), refrigerated separation device (9) and cracking synthesis gas delivery line (10), wherein cracked oil
Gas delivery line (8) is connected with cracking chamber (3) top oil gas porus excretorius (18), for cracked oil conductance is entered refrigerated separation device
(9), cracking synthesis gas delivery line (10) one end is connected with condensation separating unit (9), the other end and the charging aperture of combustor (15)
(17) connect.
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described feed system includes
Feed hopper (5) and feeding spiral conveyer (4), wherein, feed hopper (5) lower exit port is with feeding spiral conveyer (4) one end even
Connecing, the other end of feeding spiral conveyer (4) connects through end wall with cracking chamber (3).
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described discharge system includes
Discharging spiral conveyor (11) and cooling system, wherein, discharging spiral conveyor (11) is connected with cooling system.
External-heat the most according to claim 1 continuous charcoal production system, it is characterised in that: described material transferring and stirring
Mix assembly by helical axis and to adhere to paddle blade thereon and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964145.2A CN106281378A (en) | 2016-10-28 | 2016-10-28 | A kind of external-heat continuous charcoal production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964145.2A CN106281378A (en) | 2016-10-28 | 2016-10-28 | A kind of external-heat continuous charcoal production system |
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| CN106281378A true CN106281378A (en) | 2017-01-04 |
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| CN201610964145.2A Pending CN106281378A (en) | 2016-10-28 | 2016-10-28 | A kind of external-heat continuous charcoal production system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223320A1 (en) * | 2017-06-07 | 2018-12-13 | 东莞市裕证工业设备有限公司 | Continuous carbonization system |
| CN112775142A (en) * | 2019-12-04 | 2021-05-11 | 青岛博迈斯环保技术有限公司 | High-temperature high-speed continuous carbonization treatment device for oily waste |
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