CN205710586U - Arundo donax Poly-generation prepares the system of bio oil, activated carbon and combustible gas - Google Patents
Arundo donax Poly-generation prepares the system of bio oil, activated carbon and combustible gas Download PDFInfo
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- CN205710586U CN205710586U CN201620641419.XU CN201620641419U CN205710586U CN 205710586 U CN205710586 U CN 205710586U CN 201620641419 U CN201620641419 U CN 201620641419U CN 205710586 U CN205710586 U CN 205710586U
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- oil
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- oil gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
This utility model discloses a kind of Arundo donax Poly-generation and prepares the system of bio oil, activated carbon and combustible gas.This system includes: pretreatment system, pyrolysis oven, waste heat boiler, air preheater and oil-water separation system, and described pretreatment system includes that drying unit, described drying unit include charging aperture and discharging opening；Described pyrolysis oven includes charging aperture, oil gas vent, superheated steam entrance and activated carbon outlet；Described waste heat boiler includes oil gas entrance, oil gas vent and condensate outlet；Described air preheater includes the outlet of oil gas entrance, combustible gas and condensate outlet；Described oil-water separation system includes condensate inlet and bio oil outlet.The Arundo donax Poly-generation that this utility model provides prepares the system of bio oil, activated carbon and combustible gas, is pyrolyzed by Arundo donax, and pyrolysis carries out the activation again of charcoal when being incubated after terminating, produce activated carbon；The high-temperature oil gas that pyrolysis produces, through waste heat recovery, produces bio oil and combustible gas, greatly reduces system energy consumption.
Description
Technical field
This utility model belongs to utilization of agricultural resources utilization technical field, particularly relate to a kind of Arundo donax Poly-generation prepare bio oil,
Activated carbon and the system of combustible gas.
Background technology
Biomass are to constitute the material of animal and plant body, and plant is mainly made up of farinose, and animal is mainly
Being made up of fat, protein, they are referred to as biomass.According to estimates, as plant biomass main component lignin and
Cellulose speed with about 164,000,000,000 tons every year is constantly regenerating, as with Energy Conversion, be equivalent to 15 times of current oil annual production
～20 times.If this part resource can be obtained by, it is precious that the mankind are equivalent to have inexhaustible, a nexhaustible resource
Storehouse.It is additionally, since biomass source after photosynthesis, burning, produces CO2, CO in air will not be increased2Content, therefore give birth to
Material more cleans compared with fossil fuel.
Arundo donax is a kind of Novel high yield agricultural resource plant, and it possesses, and planting cost is low, manage and protect simple, yield is high, market
The advantages such as risk is little, high financial profit, calorific value high, dehydration property is good, become the first-selection of energy crop varieties of plant.The calorific value of Arundo donax
Up to 4000 kilocalories, be equivalent to the calorific value of common motive power coal, be the biomass fuel of high-quality.
Biomass pyrolytic refers to that biomass heat under conditions of anaerobic or anoxia, biomass is divided greatly by pyrolytic reaction
Son resolves into the fuel material of less molecule, ultimately generates the process of charcoal, bio oil and combustible gas.In recent years, biomass
Fast pyrolysis is prepared biomass fuel technology and has been obtained rapidly developing, will biomass in the high rate of heat addition and short stop
It is pyrolyzed under conditions of time, produces biomass fuel.Biomass efficient can be converted into easily storage, energy density height by the method
Bio oil, combustible gas and charcoal.
Activated carbon be a kind of outward appearance being made up of contenting carbon material be black, internal pore structure is flourishing, specific surface area big, inhale
The class microcrystalline carbon materials that attached ability is strong.Absorbent charcoal material has the most invisible micropore.Activated carbon is mainly used
In the pollutant removed in water, decolouring, filtration, purification liquid, gas, be additionally operable to the purified treatment to air, waste gas recovery (as
Recovery to gas " benzene " in chemical industry), the recovery of precious metal and refine (the such as absorption to gold), room air
In the dusty gas formaldehyde that distributes, benzene, ammonia, the volatilization gas adsorption such as toluene preferable.The charcoal that pyrolysis biomass produce
There is highly developed pore structure and the surface negative charge added, but gap be very remote compared with the absorbability of activated carbon,
Use as activated carbon, need activation further.
Existing technology, it is impossible to realize biomass and prepare activated carbon oil co-production and combustible gas.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of Arundo donax Poly-generation to prepare bio oil, activated carbon and flammable
The system of gas, pyrolysis Arundo donax activates after producing charcoal again, prepares activated carbon, oil co-production and combustible gas, heat
Solve the high-temperature oil gas produced and carry out waste heat recovery, energy-saving and emission-reduction, reduce cost.
This utility model provides a kind of Arundo donax Poly-generation to prepare the system of bio oil, activated carbon and combustible gas, including: locate in advance
Reason system, pyrolysis oven, waste heat boiler, air preheater and oil-water separation system,
Described pretreatment system includes that drying unit, described drying unit include charging aperture and discharging opening；
Described pyrolysis oven includes charging aperture, oil gas vent, superheated steam entrance and activated carbon outlet；
Described waste heat boiler includes oil gas entrance, oil gas vent and condensate outlet；
Described air preheater includes the outlet of oil gas entrance, combustible gas and condensate outlet；
Described oil-water separation system includes condensate inlet and bio oil outlet；
Described drying unit discharging opening is connected with pyrolysis furnace feed inlet, described pyrolysis oven oil gas vent and waste heat boiler oil gas
Entrance connects, and described waste heat boiler oil gas vent is connected with air preheater oil gas entrance, described oil-water separation system condensed fluid
Entrance connects waste heat boiler condensate outlet and air preheater condensate outlet.
Drying unit is used for drying Arundo donax, for the pretreatment of subsequent technique.Drying unit uses superheated steam indirect drying.
Pyrolysis oven is reaction vessel, for the pyrolysis of Arundo donax, is incubated after pyrolysis.It is passed through overheated steaming to pyrolysis oven during insulation
Vapour, makes the charcoal re-activation of generation, it is thus achieved that activated carbon.
Waste heat boiler is for reclaiming the waste heat of the high-temperature oil gas that pyrolysis produces.High-temperature steam changes with water in waste heat boiler
Heat, produces superheated steam, low temperature oil gas and condensed water.
Air preheater is for reclaiming the waste heat of low temperature oil gas.Low temperature oil gas carries out heat with air after entering air preheater
Exchange, produces preheated air, combustible gas and condensed water.
Oil-water separation system is used for isolating bio oil.Waste heat boiler and air preheater produce condensed water entrance profit and divide
From system, isolating bio oil, isolated aqueous water recycles.
In this utility model, described pretreatment system farther includes infuser device, and described infuser device includes charging aperture
And discharging opening, described infuser device discharging opening connects described drying unit charging aperture.Infuser device fills reactant liquor, is used for soaking
Arundo donax, the Arundo donax after immersion enters drying unit.
In this utility model, described pretreatment system farther includes breaker, and described breaker includes discharging opening,
Described breaker discharging opening is connected with described infuser device charging aperture.Breaker is used for pulverizing Arundo donax to about 4-5cm.
Further, described pyrolysis oven includes that air intake, described air preheater include air outlet slit；Described pyrolysis oven
Air intake connects described air preheater air outlet slit.It is combustion-supporting, more that the preheated air that air preheater produces imports pyrolysis oven
Be conducive to the burning of combustion gas, energy-saving and emission-reduction.
Further, described drying unit includes that superheated steam entrance, described waste heat boiler include that superheated steam exports, institute
State the outlet of waste heat boiler superheated steam and connect described drying unit superheated steam entrance and pyrolysis oven superheated steam entrance.Waste heat pot
Stove produces a superheated steam part and imports drying unit, is used for drying Arundo donax, and another part imports pyrolysis oven, for charcoal
Re-activation, produces activated carbon.
The Arundo donax Poly-generation that this utility model provides prepares the system of bio oil, activated carbon and combustible gas, is pyrolyzed by Arundo donax,
Pyrolysis carries out the activation again of charcoal when being incubated after terminating, improve its absorbability, produce activated carbon；The height that pyrolysis produces
Temperature oil gas produces superheated steam through waste heat boiler, and superheated steam is for drying the re-activation of Arundo donax and charcoal, and it is right to decrease
The demand of the external energy, plays the effect of energy-saving and emission-reduction；The temperature of low temperature oil gas, abundant recovered oil is reduced by air preheater
Heat energy in gas, greatly reduces system energy consumption.
Accompanying drawing explanation
Fig. 1 is the system schematic that this utility model Arundo donax Poly-generation prepares bio oil, activated carbon and combustible gas；
Fig. 2 is the method flow diagram utilizing this utility model system to process Arundo donax.
In figure:
1-pretreatment system, 2-pyrolysis oven, 3-waste heat boiler, 4-air preheater, 5-oil-water separation system, 11-crushes
Device, 12-infuser device, 13-drying unit.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in more details, with
Just the advantage that better understood when scheme of the present utility model and various aspects thereof.But, specific implementations described below side
Formula and embodiment are only descriptive purposes rather than to restriction of the present utility model.
This utility model provides a kind of Arundo donax Poly-generation to prepare the system of bio oil, activated carbon and combustible gas, such as Fig. 1 institute
Show, including: pretreatment system 1, pyrolysis oven 2, waste heat boiler 3, air preheater 4 and oil-water separation system 5,
Pretreatment system 1 includes that drying unit 13, drying unit 13 include charging aperture and discharging opening；
Pyrolysis oven 2 includes charging aperture, oil gas vent, superheated steam entrance and activated carbon outlet；
Waste heat boiler 3 includes oil gas entrance, oil gas vent and condensate outlet；
Air preheater 4 includes the outlet of oil gas entrance, combustible gas and condensate outlet；
Oil-water separation system 5 includes condensate inlet and bio oil outlet；
Drying unit 13 discharging opening is connected with pyrolysis oven 2 charging aperture, and pyrolysis oven 2 oil gas vent enters with waste heat boiler 3 oil gas
Mouth connects, and waste heat boiler 3 oil gas vent is connected with air preheater 4 oil gas entrance, and oil-water separation system 5 condensate inlet connects
Waste heat boiler 3 condensate outlet and air preheater 4 condensate outlet.
Drying unit 13 is used for drying Arundo donax, for the pretreatment of subsequent technique.Drying unit 13 uses superheated steam indirect
Dry.The superheat steam temperature entering drying unit is 80-110 DEG C, discharges the latent heat of vaporization, with 60 DEG C of condensed waters after indirect drying
Discharge.
Pyrolysis oven 2 is reaction vessel, selects heat accumulation type radiant tube revolving bed pyrolysis oven, according to temperature along revolving bed pyrolysis oven
End direction of rotation is divided into dry section (100-300 DEG C), pyrolysis zone (300 DEG C-800 DEG C).Heat accumulation type radiant tube revolving bed heat
The oil gas vent solving stove is arranged on furnace roof position, pyrolysis zone.The discharging of heat accumulation type radiant tube revolving bed pyrolysis oven uses Double helix to go out
Material machine.Pyrolysis oven 2, for the pyrolysis of Arundo donax, is incubated after pyrolysis.It is passed through superheated steam to pyrolysis oven during insulation, makes the biology of generation
Charcoal re-activation, it is thus achieved that activated carbon.
Waste heat boiler 3 is for reclaiming the waste heat of the high-temperature oil gas that pyrolysis produces.High-temperature steam changes with water in waste heat boiler 3
Heat, produces superheated steam, low temperature oil gas and condensed water.
Air preheater 4 is rotary air preheater, and the air inlet of air preheater 4 uses aerator.Air preheat
Device 4 is for reclaiming the waste heat of low temperature oil gas.Low temperature oil gas carries out heat exchange with air after entering air preheater 4, produces preheating
Air, combustible gas and condensed water.
Oil-water separation system 5 is used for isolating bio oil.Waste heat boiler 3 and air preheater 4 produce condensed water and enter oil
Water separating system 5, isolates bio oil, and isolated aqueous water recycles.
In this utility model embodiment, pretreatment system 1 farther includes infuser device 12, and infuser device 12 includes charging
Mouth and discharging opening, infuser device 12 discharging opening connects drying unit 13 charging aperture.Infuser device 12 fills reactant liquor, is used for soaking
Arundo donax, the Arundo donax after immersion enters drying unit 13.
In this utility model embodiment, pretreatment system 1 farther includes breaker 11, and breaker 11 includes discharging
Mouthful, breaker 11 discharging opening is connected with infuser device 12 charging aperture.Breaker 11 is used for pulverizing Arundo donax to about 4-5cm.
Further, pyrolysis oven 2 includes that air intake, air preheater 4 include air outlet slit；Pyrolysis oven 2 air intake
Connect air preheater 4 air outlet slit.It is combustion-supporting that the preheated air that air preheater 4 produces imports pyrolysis oven 3, is more beneficial for combustion gas
Burning, energy-saving and emission-reduction.
Further, drying unit 13 includes that superheated steam entrance, waste heat boiler 3 include that superheated steam exports, waste heat pot
The outlet of stove 3 superheated steam connects drying unit 13 superheated steam entrance and pyrolysis oven 2 superheated steam entrance.Waste heat boiler 3 produces
A superheated steam part imports drying unit 13, is used for drying Arundo donax, and another part imports pyrolysis oven 2, for the two of charcoal
Secondary activation, produces activated carbon.
Utilize the method that system of the present utility model processes Arundo donax, as in figure 2 it is shown, include step:
A, Arundo donax is pulverized after put into dipping pretreatment in reactant liquor, the washing of Arundo donax after immersion is dried；
B, will dry after Arundo donax send into described pyrolysis oven, wherein pyrolysis temperature is 550-750 DEG C, and pyrolysis time is 45-
60min, produces high-temperature oil gas, and pyrolysis is incubated 30-45min after terminating, and is passed through superheated steam, makes Arundo donax during insulation in pyrolysis oven
Charcoal re-activation, generates activated carbon；
C, described high-temperature oil gas is imported waste heat boiler, produce superheated steam, low temperature oil gas and condensed fluid；
D, described low-temperature oil conductance entering described air preheater, produce preheated air and condensed fluid, oil gas temperature is down to
Less than 100 DEG C, removing dust obtains combustible gas after purifying；
E, the condensed fluid importing oil-water separation system described step C and D produced, obtain bio oil.
Concrete, the reactant liquor in described step A is NaOH and H2O2The mixed aqueous solution of composition, the wherein quality of NaOH
Mark is 1-1.5%, H2O2Mass fraction is 0.2-0.8%.
Concrete, solid-to-liquid ratio (the g/ml)=1:40-1:20 of Arundo donax straw and reactant liquor in described step A, process the time
5-8 hour.
Further, the superheated steam that step C produces is imported described drying unit and described pyrolysis oven.
Further, the preheated air that step D produces is imported pyrolysis oven.
The Arundo donax Poly-generation that this utility model provides prepares the system of bio oil, activated carbon and combustible gas, is pyrolyzed by Arundo donax,
Pyrolysis carries out the activation again of charcoal when being incubated after terminating, produce activated carbon；The high-temperature oil gas that pyrolysis produces is through waste heat boiler
Producing superheated steam, superheated steam, for drying the re-activation of Arundo donax and charcoal, decreases the demand to the external energy, rises
Effect to energy-saving and emission-reduction；Reduced the temperature of low temperature oil gas by air preheater, fully reclaim the heat energy in oil gas, significantly drop
Low system energy consumption.
Embodiment
The Arundo donax raw material of the present embodiment is from Guilin Xing Tai company, Arundo donax raw aqueous rate 40.3%.This practicality is new
The system of type Arundo donax Poly-generation bio oil, activated carbon and combustible gas processes the step of Arundo donax: prepared by (1) raw material: by aqueous
The Arundo donax raw material pulverizing of 40.3% is to 4-5cm.
(2) Arundo donax straw pretreatment: the Arundo donax straw that (1st) step obtains is put into dipping pretreatment in reactant liquor, reaction
Liquid is NaOH and H2O2The mixed aqueous solution of composition, wherein the mass fraction of NaOH is 1.5%, H2O2Mass fraction is 0.5%；
Pretreatment parameter is: solid-to-liquid ratio (g/ml) 1:30, processes time 8h, and Arundo donax straw after pretreatment is washed dry for standby.
(3) Arundo donax pyrolysis: (2nd) step pretreated Arundo donax straw is sent into heat accumulation type radiant tube revolving bed pyrolysis oven,
Wherein pyrolysis temperature is 600 DEG C, and pyrolysis time is 45min, and pyrolysis is incubated 30min after terminating, and is passed through during insulation in revolving bed
Superheated steam, allows Arundo donax charcoal re-activation.
(4) waste heat recovery: the high-temperature oil gas produced during (3rd) step is carried out waste heat boiler, and high-temperature oil gas is at waste heat
Produce superheated steam with water heat exchange in boiler, be subsequently used for pretreated Arundo donax straw and dry and Arundo donax charcoal in pyrolysis oven
Activation.Low temperature oil gas after residual heat boiler for exchanging heat enters rotary air preheater, and after preheated air, oil gas temperature is down to 100
Below DEG C, using as combustible gas or sell after removing dust purification, a large amount of steam in oil gas are in rotary air preheater
Become aqueous water after the release latent heat of vaporization to recycle.
(5) oil-water separation: the condensed fluid after waste heat boiler and air preheater heat exchange, enters oil-water separation system,
Obtain bio oil.
By the Arundo donax activated carbon prepared as stated above and Arundo donax is not carried out activation processing (do not carry out Arundo donax pretreatment with
And be passed through superheated steam after being pyrolyzed) Arundo donax charcoal compare analysis, the results are shown in Table 1.
Table 1 Arundo donax activated carbon and the comparison of charcoal
As shown in table 1, Arundo donax charcoal, after pretreatment and later stage superheated steam activate, becomes Arundo donax activated carbon,
Its specific surface area adds 3 times, and Methylene blue adsorption improves 1 times, and iodine number improves 4.3 times, and ash decreases 80.2%,
Fixed carbon adds 10.1%.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate this utility model rather than limit
Make scope of the present utility model, it will be understood by those within the art that, without departing from spirit of the present utility model and model
The amendment on the premise of enclosing carried out this utility model or equivalent, all should contain within the scope of this utility model.
Additionally, unless the context outside indication, the word occurred in the singular includes plural form, and vice versa.It addition, unless especially
Explanation, then all or part of of any embodiment can use in conjunction with all or part of of any other embodiments.
Claims (5)
1. Arundo donax Poly-generation prepares a system for bio oil, activated carbon and combustible gas, including: pretreatment system, pyrolysis oven, remaining
Heat boiler, air preheater and oil-water separation system,
Described pretreatment system includes that drying unit, described drying unit include charging aperture and discharging opening；
Described pyrolysis oven includes charging aperture, oil gas vent, superheated steam entrance and activated carbon outlet；
Described waste heat boiler includes oil gas entrance, oil gas vent and condensate outlet；
Described air preheater includes the outlet of oil gas entrance, combustible gas and condensate outlet；
Described oil-water separation system includes condensate inlet and bio oil outlet；
Described drying unit discharging opening is connected with pyrolysis furnace feed inlet, described pyrolysis oven oil gas vent and waste heat boiler oil gas entrance
Connecting, described waste heat boiler oil gas vent is connected with air preheater oil gas entrance, described oil-water separation system condensate inlet
Connect waste heat boiler condensate outlet and air preheater condensate outlet.
System the most according to claim 1, it is characterised in that described pretreatment system farther includes infuser device, described
Infuser device includes charging aperture and discharging opening, and described infuser device discharging opening connects described drying unit charging aperture.
System the most according to claim 2, it is characterised in that described pretreatment system farther includes breaker, described
Breaker includes that discharging opening, described breaker discharging opening are connected with described infuser device charging aperture.
System the most according to claim 1, it is characterised in that described pyrolysis oven includes air intake, described air preheater
Including air outlet slit；Described pyrolysis oven air intake connects described air preheater air outlet slit.
System the most according to claim 1, it is characterised in that described drying unit includes superheated steam entrance, described waste heat
Boiler includes that superheated steam exports, and the outlet of described waste heat boiler superheated steam connects described drying unit superheated steam entrance and heat
Solve stove superheated steam entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641419.XU CN205710586U (en) | 2016-06-24 | 2016-06-24 | Arundo donax Poly-generation prepares the system of bio oil, activated carbon and combustible gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641419.XU CN205710586U (en) | 2016-06-24 | 2016-06-24 | Arundo donax Poly-generation prepares the system of bio oil, activated carbon and combustible gas |
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| CN205710586U true CN205710586U (en) | 2016-11-23 |
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| CN201620641419.XU Expired - Fee Related CN205710586U (en) | 2016-06-24 | 2016-06-24 | Arundo donax Poly-generation prepares the system of bio oil, activated carbon and combustible gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010603A (en) * | 2016-06-24 | 2016-10-12 | 北京神雾环境能源科技集团股份有限公司 | System and method for preparing bio oil, activated carbon and combustible gas through arundo donax Linn. polygeneration |
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2016
- 2016-06-24 CN CN201620641419.XU patent/CN205710586U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010603A (en) * | 2016-06-24 | 2016-10-12 | 北京神雾环境能源科技集团股份有限公司 | System and method for preparing bio oil, activated carbon and combustible gas through arundo donax Linn. polygeneration |
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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