CN207786614U - The system for preparing magnetic bio carbon composite - Google Patents
The system for preparing magnetic bio carbon composite Download PDFInfo
- Publication number
- CN207786614U CN207786614U CN201721808230.6U CN201721808230U CN207786614U CN 207786614 U CN207786614 U CN 207786614U CN 201721808230 U CN201721808230 U CN 201721808230U CN 207786614 U CN207786614 U CN 207786614U
- Authority
- CN
- China
- Prior art keywords
- charcoal
- active
- pyrolysis
- active bio
- utility
- 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.)
- Expired - Fee Related
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses the systems for preparing magnetic bio carbon composite, including：Pyrolysis activation device, breaker, load device and post-processing unit.Wherein, there is radiant tube, pyrolysis activation device to have biomass material entrance, steam entry, high-temperature oil gas outlet and the outlet of active bio charcoal in pyrolysis activation device；The active charcoal entrance of breaker and the outlet of active bio carbon powder, active bio charcoal entrance are connected with the outlet of active bio charcoal；The active charcoal powder entrance of load device, mixed molysite solution inlet, alkali liquor inlet and product exit, active bio carbon powder entrance are connected with the outlet of active bio carbon powder；Post-processing unit includes connected filter device, cleaning device and drying unit, and filter device is connected with the product exit of load device, and drying unit is exported with magnetic bio carbon composite.There is preferable stability, magnetism and stronger adsorption capacity using magnetic bio carbon composite prepared by the system.
Description
Technical field
The utility model belongs to chemical field, specifically, the utility model is related to prepare magnetic bio carbon composite
System.
Background technology
Charcoal is biomass in anoxic or anoxybiotic environment, the solid product generated after high temperature pyrolysis, because having
The inherent characteristics such as porous structure, specific surface area height, large pore volume, acid-alkali-corrosive-resisting, functional group be abundant, are widely used in carbon sequestration and subtract
The fields such as row, water source purifying, heavy metal adsorption and soil improvement.However, since charcoal particle diameter is small, it is difficult after treated sewage
With recycling, charcoal treated sewage relies primarily on the absorption property of itself, if the charcoal after use cannot be taken out in time, inhales
It is attached to the pollutant inside charcoal micropore and is possible to parse and reenter water body and cause secondary pollution, therefore limit
The practical application of charcoal in the treatment of waste water.The charcoal in the means separation water body of filtering, but this method are relied primarily at present
Easily cause the blocking of strainer or the loss of charcoal.Therefore, need further to be studied for the charcoal of sewage disposal.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is the system that proposition prepares magnetic bio carbon composite with a novel purpose.The utility model proposes preparation it is magnetic
Not only production efficiency is high and low energy consumption for the system of biological carbon composite, is suitable for various biomass materials, but also is using this
The magnetic bio carbon composite that is prepared of uniting has preferable stability, magnetism and stronger adsorption capacity, and be easy to
Water body detaches, and has preferable application prospect in terms of sewage disposal.
The utility model is proposed based on problems with：In order to solve the problems, such as that charcoal is difficult to detach from solution,
There is the method that magnetic medium is introduced in charcoal to realize separation of solid and liquid, however, it is found by the inventors that, it in the prior art will be biological
Charcoal and magnetic medium be combined the associativity of the low production efficiency of generally existing magnetic bio charcoal, charcoal and magnetic medium compared with
Difference, magnetic medium being unevenly distributed on charcoal, production cost is higher the problems such as.
For this purpose, one side according to the present utility model, to prepare magnetic bio charcoal compound the utility model proposes a kind of
The system of material, including：
Pyrolysis activation device, the pyrolysis activation device is interior, and there is radiant tube, the pyrolysis activation device to have biomass
Feed(raw material)inlet, steam entry, high-temperature oil gas outlet and the outlet of active bio charcoal, the pyrolysis activation device are suitable for first to described
Biomass material carries out pyrolysis processing, then carries out activation process；
Breaker, the active charcoal entrance of the breaker and the outlet of active bio carbon powder, the activity
Charcoal entrance is connected with active bio charcoal outlet, and the breaker is suitable for carrying out break process to active bio charcoal,
To obtain active bio carbon powder；
Load device, the active charcoal powder entrance of the load device, mixed molysite solution inlet, alkali liquor inlet
And product exit, the active bio carbon powder entrance are connected with active bio carbon powder outlet, the load device is suitable
In being impregnated to the active bio carbon powder using the mixed solution containing trivalent iron salt and divalent iron salt, and alkali is being added
Precipitation reaction occurs after liquid to generate ferroso-ferric oxide and be supported in the active bio carbon powder；
Post-processing unit, the post-processing unit include connected filter device, cleaning device and drying unit, the mistake
Filter device is connected with the product exit of the load device, and the drying unit is exported with magnetic bio carbon composite.
According to the system for preparing magnetic bio carbon composite of the utility model above-described embodiment, can be pyrolyzed first
The activation process of the pyrolysis processing of biomass material and the charcoal of pyrolysis generation is carried out in activation device successively, and is utilized broken
Device is crushed active bio charcoal, then obtained active bio carbon powder and will contain trivalent iron salt in load device
Lye is added after being sufficiently mixed with the mixed solution of divalent iron salt to be reacted, and reaction product is carried out using post-processing unit
Filtering, cleaning and drying, finally obtain magnetic bio carbon composite.As a result, by using the utility model above-described embodiment
The system for preparing magnetic bio carbon composite, not only can effectively be prepared with better stability and stronger adsorption energy
The magnetic bio carbon composite of power, and recycle the high-temperature oil gas in biomass material, moreover it is possible to it is multiple to significantly improve magnetic bio charcoal
The production efficiency of condensation material simplifies equipment and reduces production cost, and the magnetic bio carbon composite being prepared is used for
When sewage disposal, the adsorption efficiency to pollutant can be not only significantly improved, moreover it is possible to make the magnetic bio charcoal after absorption pollutant
Composite material is sucked out under external magnetic field, and then solves the problems, such as that charcoal is difficult to detach with water body.
In addition, the system for preparing magnetic bio carbon composite according to the utility model above-described embodiment can also have
Following additional technical characteristic：
In the present invention, the system for preparing magnetic bio carbon composite further comprises：Condensation separating unit, institute
Condensation separating unit is stated with high-temperature oil gas entrance, biological oil export, biological vinegar liquid outlet and biological flue gas outlet, the high temperature
Oil gas entrance is connected with high-temperature oil gas outlet, and the biological flue gas outlet is filled with the radiant tube and vapor supply respectively
Set it is connected, so as to using biological flue gas as heat source be used for the pyrolysis processing and the vapor preparation.It as a result, not only can be with
Further increase the comprehensive utilization ratio of biomass material, moreover it is possible to further decrease production cost.
In the present invention, the pyrolysis activation device is pyrolysis oven or revolving bed.
In the present invention, the pyrolysis activation device is revolving bed.
In the present invention, the load device is synthesis under normal pressure tank.
Description of the drawings
Fig. 1 is the structural representation according to the system for preparing magnetic bio carbon composite of the utility model one embodiment
Figure.
Fig. 2 is shown according to the structure of the system for preparing magnetic bio carbon composite of the utility model another embodiment
It is intended to.
Fig. 3 is the flow chart according to the method for preparing magnetic bio carbon composite of the utility model one embodiment.
Fig. 4 is the flow according to the method for preparing magnetic bio carbon composite of the utility model another embodiment
Figure.
Fig. 5 is the flow according to the method for preparing magnetic bio carbon composite of the utility model further embodiment
Figure.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
One side according to the present utility model, the utility model proposes a kind of magnetic bio carbon composites of preparing
System, as shown in Figure 1, including：Pyrolysis activation device 100, breaker 200, load device 300 and post-processing unit 400.
According to the system for preparing magnetic bio carbon composite of the utility model above-described embodiment, can be pyrolyzed first
The activation process of the pyrolysis processing of biomass material and the charcoal of pyrolysis generation is carried out in activation device 100 successively, and is utilized
Breaker 200 is crushed active bio charcoal, then in load device 300 by obtained active bio carbon powder with contain
Lye is added after having the mixed solution of trivalent iron salt and divalent iron salt to be sufficiently mixed to be reacted, and utilizes post-processing unit 400
Reaction product is filtered, clean and is dried, magnetic bio carbon composite is finally obtained.As a result, by using this practicality
The system for preparing magnetic bio carbon composite of novel above-described embodiment not only can effectively be prepared with preferably stable
The magnetic bio carbon composite of property and stronger adsorption capacity, and recycle the high-temperature oil gas in biomass material, moreover it is possible to significantly carry
The production efficiency of high magnetic bio carbon composite simplifies equipment and reduces production cost, and the magnetic bio that will be prepared
When carbon composite is used for sewage disposal, the adsorption efficiency to pollutant can be not only significantly improved, moreover it is possible to make absorption pollutant
Magnetic bio carbon composite afterwards is sucked out under external magnetic field, and then solves the problems, such as that charcoal is difficult to detach with water body.
The system for preparing magnetic bio carbon composite of the utility model above-described embodiment is carried out below with reference to Fig. 1-2
Detailed description.
Pyrolysis activation device 100
Embodiment according to the present utility model, pyrolysis activation device 100 is interior to have radiant tube 110, pyrolysis activation device 100
With biomass material entrance 120, steam entry 130, high-temperature oil gas outlet 140 and active bio charcoal outlet 150, pyrolysis is lived
Makeup sets 100 and is suitable for first carrying out pyrolysis processing to biomass material, then carries out activation process.
Specific embodiment according to the present utility model, biomass material can be plant waste, spoil, rubbish,
The different kind organisms matter such as sludge, tire.Thus, it is possible to which further increase that the utility model prepares magnetic bio carbon composite is
The applicability of system.
Specific embodiment according to the present utility model can be in advance to biology before carrying out pyrolysis processing to biomass material
Processing is dried in matter raw material, and the moisture content of biomass material is made to be not higher than 10 weight %.Thus, it is possible to further increase to life
Raw material of substance carries out the efficiency of pyrolysis processing, and significantly reduces the energy consumption needed for pyrolysis processing.
Specific embodiment according to the present utility model, the temperature that pyrolysis processing is carried out to biomass material can be 450-
850 degrees Celsius, the time of pyrolysis processing can be 1-3 hours.Thus, it is possible to which biomass material is made fully to be pyrolyzed, and obtain height
Warm oil gas and charcoal.Specific example according to the present utility model, when carrying out pyrolysis processing to biomass material, biomass material
To pyrolysis after 450-850 degrees Celsius, is continued pyrolysis processing can be completed in 0.5-1 hours in temperature rise.
Specific embodiment according to the present utility model, to biomass material carry out pyrolysis processing can under oxygen-free environment into
Row.Not only biomass material can be made to be pyrolyzed as a result, and obtain high-temperature oil gas and charcoal, moreover it is possible to reduce capacity, mitigation pair
The secondary pollution that air generates.
Specific embodiment according to the present utility model can be first with nitrogen before carrying out pyrolysis processing to biomass material
Gas replaces the air inside pyrolysis installation to being purged inside pyrolysis activation device 100.Thus, it is possible to ensure in anaerobic ring
Pyrolysis processing is carried out to biomass material under border.
The side of radiant tube radiant heating may be used in specific embodiment according to the present utility model, pyrolysis activation device 100
Formula heats up.Utilize combustible gas when radiating combustion inner pipe offer heat as a result, the combustion product gases of generation do not enter in pyrolysis installation
Portion, combustion product gases are not blended with the high-temperature oil gas generated in biomass pyrolysis process, and then can ensure the quality of high-temperature oil gas.
Specific embodiment according to the present utility model, the temperature that activation process is carried out to charcoal can be taken the photograph for 600-1000
The time of family name's degree, activation process can be 20-160 minutes.Inventor has found, carries out what pyrolysis processing obtained to biomass material
Charcoal specific surface is relatively low, and pore structure is undeveloped, if the temperature of activation process is too low, not can effectively improve the hole knot of charcoal
Structure seriously limits load capacity of the active bio charcoal to magnetic ferroferric oxide；And if activating treatment temperature is excessively high, active bio
The pore structure that charcoal is formed is mainly macropore, and although the specific surface area of active bio charcoal increases, but to magnetic ferroferric oxide
Load capacity it is limited, the magnetism and adsorption capacity of the magnetic bio carbon composite being finally prepared can not be significantly improved.
By using above-mentioned activation process condition in the utility model, and activation process, Ke Yixian are carried out to charcoal using vapor
Write specific surface area, porosity and the adsorption capacity for improving active bio charcoal, and the load capacity to magnetic ferroferric oxide.Root
According to specific embodiment of the utility model, the temperature that activation process is carried out to charcoal can be preferably 600-800 degrees Celsius, hair
A person of good sense has found, when the temperature for controlling activation process is 600-800 degrees Celsius, the active bio charcoal being prepared can be made to have
More flourishing pore structure, and then specific surface area, porosity and the adsorption capacity of active bio charcoal and right can be further increased
The load capacity of magnetic ferroferric oxide.
Specific embodiment according to the present utility model, when carrying out activation process to charcoal using vapor, vapor
Flow can be 30-1800m3/(min·t).Inventor has found, when the flow of vapor is too small, not can effectively improve life
The pore structure of object charcoal, and when the flow of vapor is excessive, can not remain valid improves the absorption property of charcoal.This practicality
By controlling the flow of vapor as 30-1800m in novel3/ (mint) can further increase the ratio table of active bio charcoal
Area, porosity and adsorption capacity, and the load capacity to magnetic ferroferric oxide.
Specific embodiment according to the present utility model carries out the heat of biomass material successively in pyrolysis activates device 100
When the activation process of solution processing and charcoal, after the completion of biomass pyrolytic being worked as, i.e., after no longer generating high-temperature oil gas, make generation
Charcoal stay the temperature for continuing to device in the device, while vapor is passed through into device, charcoal is in vapor gas
Persistently carried out under atmosphere and hot conditions certain time obtain specific surface area increase, pore structure improve and absorption property enhancing work
Property charcoal.Mobile biomass is not only not necessarily in pyrolysis processing and activation process as a result, moreover it is possible to significantly improve production effect
Rate, and reduce the floor space of production system, production cost is reduced indirectly.
Specific embodiment according to the present utility model first can use natural gas to biomass when carrying out pyrolysis processing
Raw material is pyrolyzed heat supply, after biomass is stablized and generates biological flue gas, you can individually continues biomass original using biological flue gas
The pyrolysis processing of material.
Specific embodiment according to the present utility model after the discharging of active bio charcoal, can utilize nitrogen purging pyrolysis activation
Biomass material, which is fed, inside device 100, after purging continues pyrolytic reaction.Heat in pyrolysis activation device 100 as a result,
Solution reaction and modified-reaction can be alternately.
Specific embodiment according to the present utility model, pyrolysis activation device 100 can preferably be revolved with pyrolysis oven or revolving bed
Rotated bed.It is possible thereby to further increase pyrolysis and active efficiency.
Specific embodiment according to the present utility model, as shown in Fig. 2, the system for preparing magnetic bio carbon composite can be with
Further comprise：Condensation separating unit 500, the condensation separating unit 500 have high-temperature oil gas entrance 510, biological oil export
520, biological vinegar liquid outlet 530 and biological flue gas outlet 540, the high-temperature oil gas entrance 510 and high-temperature oil gas outlet 140
It is connected, biological flue gas outlet 540 is connected with the radiant tube 110 and vapor feedway 600 respectively, so as to will be biological
Combustion gas is used for the preparation of the pyrolysis processing and the vapor as heat source.Wherein, condensation separating unit 500 further comprises
Condensing unit and separator, thus, it is possible to high-temperature oil gas be separated into after condensation condensable part and can not condensation portion,
Bio oil and biological vinegar liquid can be obtained by being detached to condensable part, and bio oil can prepare fuel oil or as thick production
Product are sold, and biological vinegar liquid is a kind of good bacteriostatic agent, can also be used as crude product sale；Can not condensation portion be biology fire
Gas, can be by a part of reuse of biological flue gas to pyrolysis processing, and for generating vapor, water vapour is mainly used for remainder
Active bio charcoal.The comprehensive utilization ratio of biomass material can be not only further increased as a result, moreover it is possible to be further decreased and be produced into
This.
Breaker 200
Embodiment according to the present utility model, 200 active charcoal entrance 210 of breaker and active bio powdered carbon
End outlet 220, active bio charcoal entrance 210 are connected with active bio charcoal outlet 220, and breaker 200 is suitable for active bio
Charcoal carries out break process, to obtain active bio carbon powder.
The average grain diameter of specific embodiment according to the present utility model, active bio carbon powder can be 0.1-1.0mm.Hair
A person of good sense has found that the ferroso-ferric oxide that the mixed solution containing trivalent iron salt and divalent iron salt and alkaline reaction generate has magnetism,
It is easy to happen reunion, it is difficult to equably be carried on active bio charcoal.By being broken to active bio charcoal in the utility model
Broken processing, and the average grain diameter for controlling active bio carbon powder is 0.1-1.0mm, and active bio charcoal can not only be made to have bigger
Specific surface area, and then significantly improve the adsorption capacity of active bio charcoal and the load capacity to magnetic ferroferric oxide, also
Magnetic ferroferric oxide can be made to be more uniformly distributed, steadily load on the surface of active bio charcoal and in pore structure, as a result, may be used
To further increase the magnetism and adsorption capacity of the magnetic bio carbon composite being finally prepared.
Load device 300
Embodiment according to the present utility model, 300 active charcoal powder entrance 310 of load device, mixed molysite
Solution inlet 320, alkali liquor inlet 330 and product exit 340, active bio carbon powder entrance 310 go out with active bio carbon powder
Mouth 220 is connected, and load device 300 is suitable for using the mixed solution containing trivalent iron salt and divalent iron salt to active bio carbon powder
It is impregnated, and precipitation reaction occurs after lye is added and generates ferroso-ferric oxide and is supported in active bio carbon powder.
Embodiment according to the present utility model, load device 300 can be synthesis under normal pressure tank.It is possible thereby to ensure above-mentioned anti-
That answers is smoothed out.
Specific embodiment according to the present utility model, divalent iron salt can be selected from ferrous sulfate, frerrous chloride and nitric acid
At least one of ferrous iron, trivalent iron salt can be selected from least one of ferric sulfate, iron chloride and ferric nitrate.As a result, may be used
To provide ferrous ion and ferric ion for the generation of ferroso-ferric oxide.
Specific embodiment according to the present utility model, divalent iron salt can be frerrous chloride, and trivalent iron salt can be chlorination
Iron.Specific example according to the present utility model, can be according to a certain percentage by FeCl3·6H2O and FeCl2·4H2O mixed dissolutions
Into the HCl solution of 0.4-0.8mol/L.Thus, it is possible to for ferroso-ferric oxide generation provide ferrous ion and ferric iron from
Son.
Specific embodiment according to the present utility model, mole of ferrous ion and ferric ion in mixed molysite solution
Than that can be 0.5-2.Inventor has found, by the molar ratio for controlling ferrous ion and ferric ion in mixed molysite solution
For 0.5-2, ferrous ion can be made and ferric ion is as much as possible is converted into ferroso-ferric oxide.
Specific embodiment according to the present utility model, the molar ratio of ferrous ion and ferric ion can in mixed solution
To be preferably 1.0-2, it is highly preferred that the molar ratio of ferrous ion and ferric ion can be with 1.0 in mixed solution.As a result,
The conversion ratio of ferrous ion and ferric ion in mixed solution can be further increased.
Specific embodiment according to the present utility model, active bio carbon powder and the mass ratio of mixed molysite solution can be
1：(1-10).Inventor has found, if the mass ratio of active bio carbon powder and mixed solution is less than 1:10, what subsequent reactions generated
Ferroso-ferric oxide is easy to happen reunion, is unable on payload to active bio carbon powder, and when active bio carbon powder and mixes
The mass ratio for closing solution is more than 1:When 1, the ferroso-ferric oxide loaded on active bio charcoal is very few, influences the magnetic being finally prepared
The magnetism of property composite material.Pass through the quality of control active bio carbon powder and mixed molysite solution in the utility model as a result,
Than being 1：(1-10), active bio charcoal can not only, which equably loaded, enough magnetic ferroferric oxides, moreover it is possible to avoid original
Material waste.
Specific embodiment according to the present utility model, the time that active bio carbon powder impregnates in mixed molysite solution is
10-60 minutes.Thus, it is possible to make the ferroso-ferric oxide that subsequent reactions generate is as much as possible to load to active bio carbon powder
In.
Specific embodiment according to the present utility model, lye can be sodium hydroxide solution or ammonium hydroxide, the concentration of ammonium hydroxide
Can be 10-30%.Thus, it is possible to which the formation for ferroso-ferric oxide provides suitable alkaline environment.It is according to the present utility model
Specific embodiment can add lye until there is black precipitate in solution.
Specific embodiment according to the present utility model can prepare the mixed solution containing trivalent iron salt and divalent iron salt,
And active bio carbon powder is immersed in mixed solution, so that active bio carbon powder is filled with mixed solution under the action of stirring
Divide and mix and form homogeneous phase solution, ammonium hydroxide then is added or sodium hydroxide solution is reacted, the Fe for making reaction generate3O4Pass through
Fixed function is equably supported in surface and the pore structure of active bio charcoal.
Post-processing unit 400
Embodiment according to the present utility model, post-processing unit 400 include the filter device 410 being connected, cleaning device 420
With drying unit 430, filter device 410 is connected with the product exit 340 of load device, and drying unit 430 has magnetic bio
Carbon composite outlet 431.Post-processing unit 400 is suitable for successively being filtered the reaction product in load device 300, cleaning
And drying, to obtain magnetic bio carbon composite.
In order to facilitate understanding the system for preparing magnetic bio carbon composite of the utility model above-described embodiment, below it is right
It is described in detail using the method that the system prepares magnetic bio carbon composite.
Embodiment according to the present utility model, the method for preparing magnetic bio carbon composite may include：It (1) will be biological
Matter raw material carries out pyrolysis processing in pyrolysis activation device 100, to obtain high-temperature oil gas and charcoal；(2) vapor pair is utilized
Charcoal in pyrolysis activation device 100 carries out activation process, to obtain active bio charcoal；(3) active bio charcoal is supplied
Break process is carried out to breaker 200, to obtain active bio carbon powder；(4) it prepares and contains trivalent iron salt and ferrous iron
The mixed solution of salt, and active bio carbon powder is immersed in mixed solution in load device 300；(5) to step (4) institute
It obtains in mixture and lye is added, so that precipitation reaction generation ferroso-ferric oxide occurs and is supported in active bio carbon powder；(6)
Step (5) products therefrom is filtered, cleaned and dried using post-processing unit 400, it is compound to obtain magnetic bio charcoal
Material.
According to the method for preparing magnetic bio carbon composite of the utility model above-described embodiment, first to biomass original
Material carries out pyrolysis processing and activation process, and charcoal can effectively be prepared and significantly improve the specific surface area of charcoal, hole
Gap rate and adsorption capacity；Then active bio charcoal is broken rear fully mixed with the mixed solution containing trivalent iron salt and divalent iron salt
It closes, adds lye, surface and the pore structure for being supported on active bio charcoal that the ferroso-ferric oxide that reaction generates can be made to stablize
In, and significantly increase the magnetism of active bio charcoal；Finally by filtering, cleaning and drying, magnetic bio carbon composite is obtained.
As a result, by using the method for preparing magnetic bio carbon composite of the utility model above-described embodiment, can not only prepare
Obtain that there is better stability and the magnetic bio carbon composite of stronger adsorption capacity, moreover it is possible to effectively in recycling biomass material
High-temperature oil gas, while the production efficiency of magnetic bio carbon composite can also be significantly improved and reduce production cost, and will system
When standby obtained magnetic bio carbon composite is used for sewage disposal, the adsorption efficiency to pollutant can be not only significantly improved,
The magnetic bio carbon composite after absorption pollutant can also be made to be sucked out under external magnetic field, so solve charcoal be difficult to
The problem of water body detaches.
It is carried out below with reference to the method for preparing magnetic bio carbon composite of Fig. 3-5 pairs of the utility model above-described embodiments
Detailed description.
S100：Biomass material is subjected to pyrolysis processing, to obtain high-temperature oil gas and charcoal
Biomass material is carried out pyrolysis processing by embodiment according to the present utility model in pyrolysis activation device 100, so as to
Obtain high-temperature oil gas and charcoal.Thus, it is possible to prepare charcoal using biomass material and recycle high-temperature oil gas, biology is realized
The recycling of matter raw material.
Specific embodiment according to the present utility model, biomass material can be plant waste, spoil, rubbish,
The different kind organisms matter such as sludge, tire.Thus, it is possible to further increase the side that the utility model prepares magnetic bio carbon composite
The applicability of method.
Specific embodiment according to the present utility model can be in advance to biology before carrying out pyrolysis processing to biomass material
Processing is dried in matter raw material, and the moisture content of biomass material is made to be not higher than 10 weight %.Thus, it is possible to further increase to life
Raw material of substance carries out the efficiency of pyrolysis processing, and significantly reduces the energy consumption needed for pyrolysis processing.
Specific embodiment according to the present utility model, the temperature that pyrolysis processing is carried out to biomass material can be 450-
850 degrees Celsius, the time of pyrolysis processing can be 1-3 hours.Thus, it is possible to which biomass material is made fully to be pyrolyzed, and obtain height
Warm oil gas and charcoal.Specific example according to the present utility model, when carrying out pyrolysis processing to biomass material, biomass material
To pyrolysis after 450-850 degrees Celsius, is continued pyrolysis processing can be completed in 0.5-1 hours in temperature rise.
Specific embodiment according to the present utility model, to biomass material carry out pyrolysis processing can under oxygen-free environment into
Row.Not only biomass material can be made to be pyrolyzed as a result, and obtain high-temperature oil gas and charcoal, moreover it is possible to reduce capacity, mitigation pair
The secondary pollution that air generates.
Specific embodiment according to the present utility model can be first with nitrogen before carrying out pyrolysis processing to biomass material
Gas inside pyrolysis activation device 100 to purging, the air inside displacement pyrolysis activation device 100.Thus, it is possible to ensure
Pyrolysis processing is carried out to biomass material under oxygen-free environment.
S200：Activation process is carried out to charcoal using vapor, to obtain active bio charcoal
Embodiment according to the present utility model activates the charcoal in pyrolysis activation device 100 using vapor
Processing, to obtain active bio charcoal.Thus, it is possible to significantly improve the specific surface area of charcoal, porosity and adsorption capacity.
Specific embodiment according to the present utility model, the temperature that activation process is carried out to charcoal can be taken the photograph for 600-1000
The time of family name's degree, activation process can be 20-160 minutes.Inventor has found, carries out what pyrolysis processing obtained to biomass material
Charcoal specific surface is relatively low, and pore structure is undeveloped, if the temperature of activation process is too low, not can effectively improve the hole knot of charcoal
Structure seriously limits load capacity of the active bio charcoal to magnetic ferroferric oxide；And if activating treatment temperature is excessively high, active bio
The pore structure that charcoal is formed is mainly macropore, and although the specific surface area of active bio charcoal increases, but to magnetic ferroferric oxide
Load capacity it is limited, the magnetism and adsorption capacity of the magnetic bio carbon composite being finally prepared can not be significantly improved.
By using above-mentioned activation process condition in the utility model, and activation process, Ke Yixian are carried out to charcoal using vapor
Write specific surface area, porosity and the adsorption capacity for improving active bio charcoal, and the load capacity to magnetic ferroferric oxide.
Specific embodiment according to the present utility model, the temperature that activation process is carried out to charcoal can be preferably 600-
800 degrees Celsius, inventor has found, when the temperature for controlling activation process is 600-800 degrees Celsius, can make the work being prepared
Property charcoal there is more flourishing pore structure, and then the specific surface area, porosity and suction of active bio charcoal can be further increased
Attached ability, and the load capacity to magnetic ferroferric oxide.
Specific embodiment according to the present utility model, when carrying out activation process to charcoal using vapor, vapor
Flow can be 30-1800m3/(min·t).Inventor has found, when the flow of vapor is too small, not can effectively improve life
The pore structure of object charcoal, and when the flow of vapor is excessive, it cannot remain valid and promote the absorption property of charcoal.This practicality is new
By controlling the flow of vapor as 30-1800m in type3/ (mint), can further increase the specific surface of active bio charcoal
Product, porosity and adsorption capacity, and the load capacity to magnetic ferroferric oxide.
Specific embodiment according to the present utility model, as shown in figure 5, the method for preparing magnetic bio carbon composite can be with
Further comprise：Condensation and separating treatment are carried out to high-temperature oil gas using condensation separating unit 500, to obtain bio oil, life
Object vinegar liquid and biological flue gas, and the preparation using biological flue gas as heat source for pyrolysis processing and vapor.Specifically, high temperature oil
Gas be separated into after condensation condensable part and can not condensation portion, bio oil can be obtained by being detached to condensable part
With biological vinegar liquid, bio oil can prepare fuel oil or be sold as crude product, and biological vinegar liquid is a kind of good bacteriostatic agent,
It can also be used as crude product sale；Can not condensation portion be biological flue gas, can by a part of reuse of biological flue gas to be pyrolyzed
Processing, for remainder for generating vapor, water vapour is mainly used for active bio charcoal.It can not only further increase as a result,
The comprehensive utilization ratio of biomass material, moreover it is possible to further decrease production cost.
Specific embodiment according to the present utility model first can use natural gas to biomass when carrying out pyrolysis processing
Raw material is pyrolyzed heat supply, after biomass is stablized and generates biological flue gas, you can individually continues biomass original using biological flue gas
The pyrolysis processing of material.
S300：Active bio charcoal is subjected to break process, to obtain active bio carbon powder
Active bio charcoal is supplied to breaker 200 and carries out break process by embodiment according to the present utility model, so as to
Obtain active bio carbon powder.Thus, it is possible to further increase the specific surface area of charcoal, porosity and adsorption capacity.
The average grain diameter of specific embodiment according to the present utility model, active bio carbon powder can be 0.1-1.0mm.Hair
A person of good sense has found that the ferroso-ferric oxide that the mixed solution containing trivalent iron salt and divalent iron salt and alkaline reaction generate has magnetism,
It is easy to happen reunion, it is difficult to equably be carried on active bio charcoal.By being broken to active bio charcoal in the utility model
Broken processing, and the average grain diameter for controlling active bio carbon powder is 0.1-1.0mm, and active bio charcoal can not only be made to have bigger
Specific surface area, and then significantly improve the adsorption capacity of active bio charcoal and the load capacity to magnetic ferroferric oxide, also
Magnetic ferroferric oxide can be made to be more uniformly distributed, steadily load on the surface of active bio charcoal and in pore structure, as a result, may be used
To further increase the magnetism and adsorption capacity of the magnetic bio carbon composite being finally prepared.
S400：The mixed solution containing trivalent iron salt and divalent iron salt is prepared, and active bio carbon powder is immersed in mixed
It closes in solution
Embodiment according to the present utility model prepares the mixed solution containing trivalent iron salt and divalent iron salt, and in load
Active bio carbon powder is immersed in mixed solution in device 300.Thus, it is possible to make active bio carbon powder and mixed solution
It comes into full contact with.
Specific embodiment according to the present utility model, divalent iron salt can be selected from ferrous sulfate, frerrous chloride and nitric acid
At least one of ferrous iron, trivalent iron salt can be selected from least one of ferric sulfate, iron chloride and ferric nitrate.As a result, may be used
To provide ferrous ion and ferric ion for the generation of ferroso-ferric oxide.
Specific embodiment according to the present utility model, divalent iron salt can be frerrous chloride, and trivalent iron salt can be chlorination
Iron.Specific example according to the present utility model, can be according to a certain percentage by FeCl3·6H2O and FeCl2·4H2O mixed dissolutions
Into the HCl solution of 0.4-0.8mol/L.Thus, it is possible to for ferroso-ferric oxide generation provide ferrous ion and ferric iron from
Son.
Specific embodiment according to the present utility model, the molar ratio of ferrous ion and ferric ion can in mixed solution
Think 0.5-2.Inventor has found, is 0.5-2 by controlling the molar ratio of ferrous ion and ferric ion in mixed solution,
It can make ferrous ion and ferric ion is as much as possible is converted into ferroso-ferric oxide.
Specific embodiment according to the present utility model, the molar ratio of ferrous ion and ferric ion can in mixed solution
To be preferably 1.0-2, it is highly preferred that the molar ratio of ferrous ion and ferric ion can be with 1.0 in mixed solution.As a result,
The conversion ratio of ferrous ion and ferric ion in mixed solution can be further increased.
The mass ratio of specific embodiment according to the present utility model, active bio carbon powder and mixed solution can be 1：
(1-10).Inventor has found, if the mass ratio of active bio carbon powder and mixed solution is less than 1:10, the four of subsequent reactions generation
Fe 3 O is easy to happen reunion, is unable on payload to active bio carbon powder, and works as active bio carbon powder and mix
The mass ratio of solution is more than 1:When 1, the ferroso-ferric oxide loaded on active bio charcoal is very few, influences the magnetism being finally prepared
The magnetism of composite material.It is as a result, 1 by controlling the mass ratio of active bio carbon powder and mixed solution in the utility model：
(1-10), active bio charcoal can not only, which equably loaded, enough magnetic ferroferric oxides, moreover it is possible to avoid wastage of material.
Specific embodiment according to the present utility model, the time that active bio carbon powder impregnates in mixed solution are 10-
60 minutes.Thus, it is possible to make the ferroso-ferric oxide that subsequent reactions generate is as much as possible to load in active bio carbon powder.
S500：Lye is added into mixture obtained by S400, so that precipitation reaction generation ferroso-ferric oxide occurs and loads
In active bio carbon powder
Lye is added into gained mixture in embodiment according to the present utility model, and four are generated so that precipitation reaction occurs
Fe 3 O is simultaneously supported in active bio carbon powder.Thus, it is possible to make being supported on for the ferroso-ferric oxide stabilization of reaction generation
In the surface of active bio charcoal and pore structure, and significantly increase the magnetism and adsorption capacity of active bio charcoal.
Specific embodiment according to the present utility model, lye can be sodium hydroxide solution or ammonium hydroxide, the concentration of ammonium hydroxide
Can be 10-30%.Thus, it is possible to which the formation for ferroso-ferric oxide provides suitable alkaline environment.It is according to the present utility model
Specific embodiment can add lye until there is black precipitate in solution.
Specific embodiment according to the present utility model can prepare the mixed solution containing trivalent iron salt and divalent iron salt,
And active bio carbon powder is immersed in mixed solution, so that active bio carbon powder is filled with mixed solution under the action of stirring
Divide and mix and form homogeneous phase solution, ammonium hydroxide then is added or sodium hydroxide solution is reacted, the Fe for making reaction generate3O4Pass through
Fixed function is equably supported in surface and the pore structure of active bio charcoal.
S600：S500 products therefroms are filtered, cleaned and dried, to obtain magnetic bio carbon composite
Embodiment according to the present utility model is filtered, clearly step (5) products therefrom using post-processing unit 400
It washes and dries, to obtain magnetic bio carbon composite.
Embodiment 1
Using maize straw as biomass material for producing magnetic bio carbon composite, maize straw after drying,
Moisture content is 6.2%, and batch processed amount is 10t/h.
(1) by the maize straw after drying pyrolysis activate device in carry out pyrolysis processing, so as to obtain high-temperature oil gas and
Charcoal, pyrolysis temperature are 600 DEG C, pyrolysis time 60min；(2) vapor is utilized to activate the charcoal in device to pyrolysis
Activation process is carried out, to obtain active bio charcoal, wherein activation temperature is 800 DEG C, vapor flow 600m3/(min·
T), the yield of soak time 90min, active bio charcoal are 26.5%；(3) active bio charcoal is subjected to break process, so as to
Obtain the active bio carbon powder that grain size is 0.2mm；(4) mixed solution containing trivalent iron salt and divalent iron salt is prepared, and will
Active bio carbon powder is immersed in mixed solution, wherein the molar ratio of mixed solution divalent iron particle and ferric ion is
1.0, the mass ratio of active bio charcoal and mixed solution is 1:6；(5) it is added a concentration of 15% into mixture obtained by step (4)
Ammonium hydroxide, generate so that precipitation reaction occurs and ferroso-ferric oxide and be supported in active bio carbon powder, load time is 30 points
Clock；(6) step (5) products therefrom is filtered, cleaned and dried, to obtain maize straw magnetic bio charcoal composite wood
Material.The magnetic bio carbon composite is applied to absorption methylene blue, adsorbance is up to 90ml/g.
Embodiment 2
Using giantreed as biomass material for producing magnetic bio carbon composite, after drying, moisture content is giantreed
9.5%, batch processed amount is 15t/h.
(1) giantreed after drying is subjected to pyrolysis processing in pyrolysis activates device, to obtain high-temperature oil gas and biology
Charcoal, pyrolysis temperature are 650 DEG C, pyrolysis time 75min；(2) charcoal in device is activated to pyrolysis using vapor to carry out
Activation process, to obtain active bio charcoal, wherein activation temperature is 900 DEG C, vapor flow 1000m3/ (mint),
Soak time is 120min, and active bio charcoal yield is 18.2%；(3) active bio charcoal is subjected to break process, to obtain
Grain size is the active bio carbon powder of 0.2mm；(4) mixed solution containing trivalent iron salt and divalent iron salt is prepared, and will be active
Charcoal powder is immersed in mixed solution, wherein and the molar ratio of mixed solution divalent iron particle and ferric ion is 0.8,
The mass ratio of active bio charcoal and mixed solution is 1:10；(5) a concentration of 20% ammonia is added into mixture obtained by step (4)
Water, so that precipitation reaction generation ferroso-ferric oxide occurs and is supported in active bio carbon powder, load time is 50 minutes；
(6) step (5) products therefrom is filtered, cleaned and dried, to obtain giantreed magnetic bio carbon composite.By the magnetic
Property biology carbon composite be applied to absorption methylene blue, adsorbance is up to 112ml/g.
Embodiment 3
Using bamboo as biomass material for producing magnetic bio carbon composite, after drying, moisture content is giantreed
7.7%, batch processed amount is 20t/h.
(1) giantreed after drying is subjected to pyrolysis processing in pyrolysis activates device, to obtain high-temperature oil gas and biology
Charcoal, pyrolysis temperature are 650 DEG C, pyrolysis time 90min；(2) charcoal in device is activated to pyrolysis using vapor to carry out
Activation process, to obtain active bio charcoal, wherein activation temperature is 900 DEG C, vapor flow 1200m3/ (mint),
Soak time is 90min, and active bio charcoal yield is 23.5%；(3) active bio charcoal is subjected to break process, to obtain grain
Diameter is the active bio carbon powder of 0.2mm；(4) mixed solution containing trivalent iron salt and divalent iron salt is prepared, and activity is raw
Object carbon powder is immersed in mixed solution, wherein the molar ratio of mixed solution divalent iron particle and ferric ion is 1.0, living
Property charcoal and mixed solution mass ratio be 1:10；(5) a concentration of 15% ammonia is added into mixture obtained by step (4)
Water, so that precipitation reaction generation ferroso-ferric oxide occurs and is supported in active bio carbon powder, load time is 30 minutes；
(6) step (5) products therefrom is filtered, cleaned and dried, to obtain bamboo magnetic bio carbon composite.By the magnetic
Property biology carbon composite be applied to absorption methylene blue, adsorbance is up to 150ml/g.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
In conjunction with and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (5)
1. a kind of system preparing magnetic bio carbon composite, which is characterized in that including：
Pyrolysis activation device, the pyrolysis activation device is interior, and there is radiant tube, the pyrolysis activation device to have biomass material
Entrance, steam entry, high-temperature oil gas outlet and the outlet of active bio charcoal；
Breaker, the active charcoal entrance of the breaker and the outlet of active bio carbon powder, the active bio
Charcoal entrance is connected with active bio charcoal outlet；
Load device, the active charcoal powder entrance of the load device, mixed molysite solution inlet, alkali liquor inlet and production
Object exports, and the active bio carbon powder entrance is connected with active bio carbon powder outlet；
Post-processing unit, the post-processing unit include connected filter device, cleaning device and drying unit, the filtering dress
It sets and is connected with the product exit of the load device, the drying unit is exported with magnetic bio carbon composite.
2. system according to claim 1, which is characterized in that further comprise：
Condensation separating unit, the condensation separating unit have high-temperature oil gas entrance, biological oil export, biological vinegar liquid outlet and life
Object gas outlet, the high-temperature oil gas entrance and high-temperature oil gas outlet are connected, the biological flue gas export respectively with it is described
Radiant tube is connected with vapor feedway, to be used for the pyrolysis processing and the vapor using biological flue gas as heat source
Preparation.
3. system according to claim 1, which is characterized in that the pyrolysis activation device is pyrolysis oven or revolving bed.
4. system according to claim 3, which is characterized in that the pyrolysis activation device is revolving bed.
5. system according to claim 1, which is characterized in that the load device is synthesis under normal pressure tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808230.6U CN207786614U (en) | 2017-12-18 | 2017-12-18 | The system for preparing magnetic bio carbon composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808230.6U CN207786614U (en) | 2017-12-18 | 2017-12-18 | The system for preparing magnetic bio carbon composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207786614U true CN207786614U (en) | 2018-08-31 |
Family
ID=63281783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721808230.6U Expired - Fee Related CN207786614U (en) | 2017-12-18 | 2017-12-18 | The system for preparing magnetic bio carbon composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207786614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665512A (en) * | 2019-09-27 | 2020-01-10 | 浙江大学 | Manganese dioxide-magnetic biochar composite catalyst and preparation method and application thereof |
| CN113908801A (en) * | 2020-07-07 | 2022-01-11 | 中国科学院沈阳应用生态研究所 | Preparation method and device of magnetic biochar |
-
2017
- 2017-12-18 CN CN201721808230.6U patent/CN207786614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665512A (en) * | 2019-09-27 | 2020-01-10 | 浙江大学 | Manganese dioxide-magnetic biochar composite catalyst and preparation method and application thereof |
| CN113908801A (en) * | 2020-07-07 | 2022-01-11 | 中国科学院沈阳应用生态研究所 | Preparation method and device of magnetic biochar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107913671A (en) | Prepare the method and system of magnetic bio carbon composite | |
| CN110255559A (en) | A kind of preparation method of activated carbon from activated sludge | |
| CN110102260A (en) | A kind of iron and manganese oxides-charcoal composite material and preparation method and application | |
| CN106345411A (en) | Rare metal-based sludge activated carbon and application thereof in removal of sulfur, ammonia and phosphorus | |
| CN110240386A (en) | A kind of stalk cooperates with the devices and methods therefor of processing with sludge | |
| CN103721677A (en) | Preparation method of biomass carbon composite material for removing phosphorus in wastewater | |
| CN107096500A (en) | A kind of utilization Chinese medicine slag prepares the method for magnetic bio charcoal, magnetic bio charcoal and application | |
| CN207786614U (en) | The system for preparing magnetic bio carbon composite | |
| CN109675581A (en) | Ferrimanganic bimetallic oxide modification biological charcoal light Fenton composite material and preparation method | |
| CN104084126A (en) | Preparation method of biomass-based ferroaluminium complex spherical carbon | |
| CN109364940A (en) | Charcoal loads ferrimanganic bimetallic oxide light Fenton composite material and preparation method | |
| CN108187688A (en) | It is a kind of can be at room temperature by the preparation method of the catalyst of formaldehyde complete catalysts oxidation | |
| CN107337204A (en) | Biomass pyrolytic, which is combined, prepares magnetic active carbon and the method rich in synthesis gas gas | |
| CN102039118A (en) | Preparation method of supported nano TiO2 photocatalytic material with diatomite filter aid as carrier | |
| CN107983362A (en) | A kind of method for preparing catalyst and Application way from waste | |
| CN106732640A (en) | A kind of preparation method of the ozone decomposition catalyst web plate with modified meerschaum as carrier | |
| CN107913670A (en) | A kind of water body lock phosphorus agent and preparation method thereof | |
| CN107824196A (en) | A kind of organic wastewater ozone oxidation catalyst and its preparation and application | |
| CN111359664A (en) | Ti-based MOF composite material and preparation method and application thereof | |
| CN109482219A (en) | Activate the CoFe of persulfate advanced treatment on coking wastewater2O4/ N doping sludge-based activated carbon catalyst and preparation method | |
| CN106824088A (en) | A kind of fluffy base optic catalytic cellular activated carbon of Chinese chestnut fruit and its off-gas cleaning equipment | |
| CN109647341A (en) | The system and method for preparing adsorbent material using sludge | |
| CN110092557A (en) | A kind of recycling sludge utilizes processing system and method | |
| CN103288084A (en) | Method for preparing modified activated carbon at normal pressure | |
| CN103623776B (en) | Complex enzyme catalytic activation radix puerariae waste residue prepares the method for iron-base magnetic active carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190110 Granted publication date: 20180831 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20180831 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20180831 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |