CN205616847U - Quick catalytic pyrolysis system of down bed of living beings - Google Patents

Quick catalytic pyrolysis system of down bed of living beings Download PDF

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Publication number
CN205616847U
CN205616847U CN201620400898.6U CN201620400898U CN205616847U CN 205616847 U CN205616847 U CN 205616847U CN 201620400898 U CN201620400898 U CN 201620400898U CN 205616847 U CN205616847 U CN 205616847U
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China
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pyrolysis
biomass
pyrolysis oven
radial canal
quick catalysis
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CN201620400898.6U
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赵延兵
陈水渺
姜朝兴
薛逊
吴道洪
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Shenwu Technology Group Corp Co Ltd
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Beijing Huafu Engineering Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

Abstract

The utility model provides a quick catalytic pyrolysis system of down bed of living beings, include: rotary kiln desicator, feed bin, quick catalytic pyrolysis stove and grain bed dust collector, wherein, quick catalytic pyrolysis stove, hopper, toper tripper, radiant tube, stock guide and catalyst spout, wherein, the hopper links to each other with the matter entrance of pyrolytic reaction ware, the toper tripper sets up under matter entrance, the radiant tube arranges along the direction of height multilayer of pyrolytic reaction ware that every layer has many and follows the horizontal direction radiant tube of parallel uniform distribution each other, the upper end of stock guide is fixed on the lateral wall of pyrolytic reaction ware, the 115H that the catalyst spout set up at the vertical high H of pyrolytic reaction ware 2 in the 3H interval, and be located the stock guide lower extreme under. Adopt this system can effectively improve biological oily productivity to the catalytic pyrolysis living beings, reduce biological oily pH value.

Description

Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system
Technical field
This utility model belongs to chemical field, and specifically, this utility model relates to the pyrolysis of biomass down-flow fluidized bed using ECT quick catalysis and is System.
Background technology
Biomass energy is the fourth-largest resource of the earth, is only second to coal, oil, natural gas, be also simultaneously reserves maximum can be again The raw energy.Biomass have the features such as widely distributed, rich reserves, recyclability, low stain, are most potential changes One of stone energy substitution energy.
At present, the recovery energy mode of biomass energy is mainly with fermenting and producing fuel, biogas, gasification, fast pyrogenation, charcoal Turn to main.Wherein, fermenting and producing fuel, biogas mainly apply herbaceous plant, and this technology production cycle is long, and productivity is relatively low Shortcoming limits its development;It is then low due to fuel gases calorific value that gasification produces gas technology, is applied to generating, industry supply aspect more, There is certain limitation;The product that charring process obtains is mainly based on solid biologic charcoal, it is difficult to substitute fossil energy scale Application;Fast pyrogenation refers to, under conditions of anaerobic or limit oxygen, biomass be rapidly heated to about 550 DEG C, generate biology Oil, charcoal and the process of pyrolysis gas.Pyrolytic technique is a kind of skill that biomass energy is converted into liquid fuel Art.But, the bio-oil components obtained through pyrolytic technique is extremely complex, pH value is relatively low, oxygen content is high, heat stability relatively The shortcomings such as difference, viscosity are big make bio oil be difficult to directly utilize and store.Additionally, the last handling process of bio oil is complicated, effect Fruit is the best and relatively costly so that it is be difficult to industrial applications.The method of biomass fast catalytic pyrolysis improves the product of bio oil Rate, lifting quality of bio-oil are the Main way that current biomass energyization utilizes.At present, in biomass fast catalytic pyrolysis Catalyst mainly to mix interpolation with raw material, in the way of cracked oil air filter crosses Catalytic Layer, wherein mixing interpolation is difficult to The homogeneous catalyst of catalyst, the mode filtering Catalytic Layer then needs external heat source to ensure catalyst layer temperature, and the easy coking of Catalytic Layer is lost Live.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new One purpose of type is to propose biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system, uses this system can be effectively improved bio oil Productivity and quality, technique is simple, is suitable for industrialization promotion.
According to an aspect of the present utility model, the utility model proposes a kind of biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system, Including:
Rotary kiln, described rotary kiln has biomass inlet and dried biomass outlet;
Feed bin, described feed bin is connected with the outlet of described dried biomass;
Quick catalysis pyrolysis oven, described quick catalysis pyrolysis oven includes:
Hopper, described hopper be arranged on described pyrolysis oven top and respectively with material inlet and the institute of described pyrolysis oven State feed bin to be connected;
Tapered material distributor, described tapered material distributor is arranged on the underface of the material inlet of described pyrolysis oven;
Radial canal, described radial canal is along the short transverse multi-tier arrangement of described pyrolysis oven, and every layer has many along level Direction equally distributed radial canal parallel to each other,
Wherein, the short transverse along described pyrolysis oven arrange radial canal is parallel to each other and the cloth that staggers Putting, the arrangement of radial canal radical is: along described pyrolysis oven vertical direction, the root in radiation tube layer Number is followed successively by N, N+1, N, N+1, so that radial canal radical is alternately arranged, and N >=1, wherein, Radial canal radical is in the radiation tube layer of N+1, and the central axis of each radial canal is in same first level Face, radial canal radical is in the radiation tube layer of N, and the central axis of each radial canal is in same second water Plane;
Stock guide, the upper end of described stock guide is fixed on the sidewall of described pyrolysis oven, and under described stock guide End extends to described pyrolysis oven lower inside in the way of the sidewall with described pyrolysis oven is 15 ° of-45 ° of angles, wherein, The upper end of described stock guide is on described first horizontal plane, and the lower end of described stock guide is in described second horizontal plane On;
Catalyst spout, described catalyst notch setting is in the 1/15H-2/3H district of described pyrolysis oven vertically height H In, and it is positioned at the underface of described stock guide lower end, wherein, described catalyst spout is configured such that catalysis It is vertical with radial canal length direction that agent sprays into direction, and
Grain bed dust arrester, described grain bed dust arrester is connected with the pyrolysis oil gas vent of described pyrolysis oven.
Use the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment, by biomass material in rotary kiln Through dried, being temporarily stored in feed bin, and be delivered in hopper, biomass material is even drop down after tapered material distributor separates, In dropping process, biomass material directly contacts with radial canal, uses catalyst spout to spray into catalyst, makes catalyst and thing Material and pyrolysis oil gas are fully contacted, and fast catalytic pyrolysis reaction occurs, improves catalytic efficiency.
It addition, can also have as follows according to the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of this utility model above-described embodiment Additional technical characteristic:
In this utility model, wrap further between described grain bed dust arrester and the pyrolysis oil gas vent of described pyrolysis oven Include:
Primary cyclone, described primary cyclone is connected with the pyrolysis oil gas vent of described pyrolysis oven;
Secondary cyclone, described secondary cyclone respectively with described primary cyclone and described grain bed dedusting Device is connected;And
Ash bucket, described ash bucket is connected with described primary cyclone and described secondary cyclone respectively.
In this utility model, the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment farther includes:
Cleaning equipment, described cleaning equipment has pyrolysis oil gas entrance, bio oil outlet and pyrolysis gas outlet, described pyrolysis oil Gas entrance is connected with described grain bed dust arrester;
Bio oil storage tank, described bio oil storage tank is connected with the outlet of described bio oil;And
Gas holder, described gas holder is connected with radial canal in described pyrolysis gas outlet and described quick catalysis pyrolysis oven respectively.
In this utility model, the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment farther includes:
Spiral discharging device, described spiral discharging device exports with the high-temperature biological charcoal of described quick catalysis pyrolysis oven and is connected;
Heat exchanger, described heat exchanger has after smoke inlet, high-temperature biological charcoal entrance, heat exchange biological after exhanst gas outlet and heat exchange Charcoal exports, and described smoke inlet is connected with the exhanst gas outlet of described quick catalysis pyrolysis oven, described high-temperature biological charcoal entrance and institute Stating spiral discharging device to be connected, after described heat exchange, exhanst gas outlet is connected with described rotary kiln;
Coke quencher, described coke quencher is connected with charcoal outlet after described heat exchange;And
Charcoal storehouse, described charcoal storehouse is connected with described coke quencher;
In this utility model, described pyrolysis oil gas vent is arranged on the bottom of described quick catalysis pyrolysis oven sidewall.
In this utility model, the sidewall periphery of described quick catalysis pyrolysis oven is provided with heat-insulation layer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system according to one embodiment of this utility model.
Fig. 2 is quick catalysis pyrolysis in the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system according to one embodiment of this utility model The structural representation of stove.
Fig. 3 is to utilize the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system according to one embodiment of this utility model to be pyrolyzed biomass The flow chart of method.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model System.
According to an aspect of the present utility model, the utility model proposes a kind of biomass down-flow fluidized bed using ECT quick catalysis pyrolysis is System.The biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of this utility model specific embodiment is described in detail below with reference to Fig. 1.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system according to this utility model specific embodiment includes: quick catalysis pyrolysis oven 100, rotary kiln 200, feed bin 300 and grain bed dust arrester 400, wherein, rotary kiln 200 has There are biomass inlet 210 and dried biomass outlet 220;Feed bin 300 is connected with dried biomass outlet 220.
According to specific embodiment of the utility model, quick catalysis pyrolysis oven 100 includes: hopper 10, tapered material distributor 20, Radial canal 30, stock guide 40 and catalyst spout 50.Wherein, hopper be arranged on described pyrolysis oven top and respectively with institute The material inlet stating pyrolysis oven is connected with described feed bin;Tapered material distributor is arranged on the underface of the material inlet of described pyrolysis oven; Radial canal along the short transverse multi-tier arrangement of described pyrolysis oven, every layer have much the most parallel to each other equally distributed Radial canal, wherein, the radial canal that the short transverse along described pyrolysis oven is arranged is parallel to each other and is staggeredly arranged, radial canal root The arrangement of number is: along described pyrolysis oven vertical direction, and the radical in radiation tube layer is followed successively by N, N+1, N, N+1, So that radial canal radical is alternately arranged, N >=1, wherein, radial canal radical is in the radiation tube layer of N+1, each radial canal Central axis in same first horizontal plane, radial canal radical is in the radiation tube layer of N, the central axis of each radial canal in Same second horizontal plane;The upper end stating stock guide is fixed on the sidewall of described pyrolysis oven, and the lower end of described stock guide Extend to described pyrolysis oven lower inside in the way of the sidewall with described pyrolysis oven is 15 ° of-45 ° of angles (θ), wherein, The upper end of described stock guide is on described first horizontal plane, and the lower end of described stock guide is on described second horizontal plane;Urge Agent notch setting is in the 1/15H-2/3H interval of described pyrolysis oven vertically height H, and is positioned at described stock guide lower end Underface, wherein, it is vertical with radial canal length direction that described catalyst spout is configured such that catalyst sprays into direction, with And grain bed dust arrester 400 is connected with the pyrolysis oil gas vent of pyrolysis oven 100.
Use the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment, by biomass material in rotary kiln Through dried, being temporarily stored in feed bin, and be delivered in hopper, biomass material is even drop down after tapered material distributor separates, In dropping process, biomass material directly contacts with radial canal, uses catalyst spout to spray into catalyst, makes catalyst and thing Material and pyrolysis oil gas are fully contacted, and fast catalytic pyrolysis reaction occurs, improves catalytic efficiency.
The quick catalysis pyrolysis oven of this utility model specific embodiment is described in detail below with reference to Fig. 2.Have according to this utility model The quick catalysis pyrolysis oven 100 of body embodiment, including: hopper 10, tapered material distributor 20, radial canal 30, stock guide 40 With catalyst spout 50.
According to specific embodiment of the utility model, hopper 10 is arranged on top and and the pyrolysis reactor of pyrolysis reactor 100 Material inlet 11 be connected.Thus can be with the addition of biomass.According to specific embodiment of the utility model, biomass particle diameter Scope is 0.5mm-6mm.
According to specific embodiment of the utility model, tapered material distributor 20 is arranged on the material inlet 1 of pyrolysis reactor 100 Lower section.Material thus uniformly can be divided into two parts, and then evenly in pyrolysis reactor 100.
According to specific embodiment of the utility model, radial canal along 30 along the short transverse multi-tier arrangement of pyrolysis reactor 100, Every layer has many equally distributed radial canals the most parallel to each other, wherein, along the height side of described pyrolysis reactor Radial canal to layout is parallel to each other and is staggeredly arranged, and the arrangement of radial canal radical is: along reactor vertical direction, Radical in radiation tube layer is followed successively by N, N+1, N, N+1, so that radial canal radical is alternately arranged, and N >=1, wherein, Radial canal radical is in the radiation tube layer of N+1, and the central axis of each radial canal is in same first horizontal plane, radial canal radical For in the radiation tube layer of N, the central axis of each radial canal is in same second horizontal plane.As shown in Figure 2.Thus, pass through The radial canal arranging above-mentioned arrangement mode makes biomass material fully connect with heat accumulation type radiant tube during declining along 30 Touch, it is achieved rapid cleavage.
According to specific embodiment of the utility model, stock guide 40 is arranged on the sidewall of pyrolysis reactor 100, specifically, The upper end of stock guide 40 is fixed on the sidewall of pyrolysis reactor 100, and the lower end of stock guide with pyrolysis reactor 100 Sidewall be that the mode of 15 ° of-45 ° of angles (θ) extends to pyrolysis reactor 100 lower inside, wherein, stock guide upper End is on the first horizontal plane, and the lower end of stock guide is on the second horizontal plane.Thus, it is possible to by the radiation tube layer of N+1 The biomass of landing can all be fallen in the radiation tube layer of N through stock guide 40, it is to avoid it is anti-that biomass directly against pyrolysis Answer the sidewall landing of device 100, and then the radial canal efficiency of heating surface to biomass can be improved, and then improve pyrolysis effect.
According to specific embodiment of the utility model, catalyst spout 50 is arranged on pyrolysis reactor 100 vertically height H's In 1/15H-2/3H interval, and it is positioned at the underface of described stock guide lower end, as shown in Figure 2.Wherein, catalyst spout quilt It is arranged so that catalyst sprays into direction vertical with radial canal length direction.Thus, catalyst spout 50 is i.e. positioned at stock guide Immediately below 40, and then the biomass blocking catalyst spout 50 fallen can be avoided.
According to specific embodiment of the utility model, catalyst spout 50 adds catalyst by the way of spraying into, the load of employing Gas can be the noble gases such as nitrogen, and it can be 1m/s-4.5m/s that catalyst sprays into speed.According to concrete reality of the present utility model Execute example, spray into catalyst by above-mentioned catalyst spout 50 so that catalyst is sufficiently mixed with cracking oil gas with biomass, enters And effectively can improve catalytic efficiency.According to specific embodiment of the utility model, available catalyst is iron sesquioxide Catalyst, lateritic nickel ore catalyst and vanadium titano-magnetite catalyst, and then bio oil productivity and pH value can be improved.
According to specific embodiment of the utility model, it is anti-that the pyrolysis oil gas vent 12 of described pyrolysis reactor is arranged on described pyrolysis Answer the bottom of device 100 sidewall.And then pyrolysis oil gas discharge process can drive biomass material, it is ensured that biomass material catalytic thermal Solve reaction.
According to specific embodiment of the utility model, the sidewall periphery of described pyrolysis reactor is provided with heat-insulation layer.The most permissible Avoid heat to scatter and disappear, improve pyrolysis efficiency.
Using the quick catalysis pyrolysis oven of above-described embodiment, be delivered in hopper by biomass material, biomass material is through taper Even drop down after tripper separation, in dropping process, biomass material directly contacts with radial canal, is sprayed by catalyst spout simultaneously Enter catalyst, start to occur fast catalytic pyrolysis to react;Pyrolysis oil gas is by the pyrolysis bottom down-flow fluidized bed using ECT quick catalysis pyrolysis installation Oil gas vent is discharged, and obtains bio oil and cracking combustion gas after purified cell processing;Charcoal is pyrolyzed by down-flow fluidized bed using ECT quick catalysis Bottom of device is discharged through spiral discharging device.
According to specific embodiment of the utility model, at the pyrolysis oil gas vent of grain bed dust arrester 400 with pyrolysis oven 100 Farther include between 12: primary cyclone 500, secondary cyclone 600 and ash bucket 700, wherein, one-level Cyclone separator 500 is connected with the pyrolysis oil gas vent 12 of pyrolysis oven 100;Secondary cyclone 600 revolves with one-level respectively Wind separator 500 is connected with grain bed dust arrester 400;And ash bucket respectively with primary cyclone 500 and two grades of rotations Wind separator 600 is connected.Thus, use cyclone separator and grain bed dust arrester mechanical and hydraulic combined dust, can effectively reduce fast Dustiness in speed cracking bio oil.
According to specific embodiment of the utility model, the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment, enter one Step includes: cleaning equipment 800, bio oil storage tank 900 and gas holder 1000, cleaning equipment 800 have pyrolysis oil gas entrance 810, Bio oil outlet 820 and pyrolysis gas outlet 830, pyrolysis oil gas entrance 810 is connected with grain bed dust arrester 400;Biological Oil tank 900 is connected with bio oil outlet 820;And gas holder 1000 is pyrolyzed with pyrolysis gas outlet 830 and quick catalysis respectively In stove 100, radial canal 30 is connected.Thus further pyrolysis oil gas process be can be carried out and bio oil and pyrolysis gas respectively obtained, The pyrolysis gas obtained can return in quick catalysis pyrolysis oven 100 in radial canal 30 further, and then provides heat for catalysis pyrolysis Amount, saves energy consumption.
According to specific embodiment of the utility model, the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of above-described embodiment, enter one Step includes: spiral discharging machine 1100, heat exchanger 1200, coke quencher 1300 and charcoal storehouse 1400.Wherein, spiral discharging machine 1100 Export 13 with the high-temperature biological charcoal of pyrolysis reactor 100 to be connected;Heat exchanger 1200 has smoke inlet 1210, high-temperature biological Charcoal outlet 1240, smoke inlet 1210 and quick catalysis after exhanst gas outlet 1230 and heat exchange after charcoal entrance 1220, heat exchange The exhanst gas outlet of pyrolysis oven 100 is connected, and high-temperature biological charcoal entrance 1220 is connected with spiral discharging device 1100, flue gas after heat exchange Outlet 1230 is connected with rotary kiln 1100;Coke quencher 1300 is connected with charcoal outlet 1240 after heat exchange;And Charcoal storehouse 1400 is connected with coke quencher 1300.Thus, by the waste heat of high-temperature biological charcoal is reclaimed for biomass material Preheating and be dried, and then the energy utilization rate of system can be improved further, reduce the energy consumption of pyrolysis biomass.
In order to aspect understands the biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system of this utility model above-described embodiment, below with reference to figure The method of 3 pairs of biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system pyrolysis biomass utilizing preceding embodiment is described.
The method utilizing biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system pyrolysis biomass according to this utility model specific embodiment Including:
Rotary kiln is used biomass to be dried and the pre-heat treatment, in order to obtain dried biomass;
Feed bin is used to keep in described dried biomass;
Dried biomass in described feed bin is supplied to described quick catalysis heat from the material inlet of described quick catalysis pyrolysis oven In solution stove, and it is passed through catalyst by described catalyst spout so that described dried biomass occurs catalysis pyrolytic reaction, with Just obtain being pyrolyzed oil gas and high-temperature biological charcoal;And
Use grain bed dust arrester that described pyrolysis oil gas is carried out the first dust removal process, in order to obtain being pyrolyzed oil gas product.
Use the above-mentioned method utilizing biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system pyrolysis biomass, in advance by biomass material Through dried in rotary kiln, being temporarily stored in feed bin, and be delivered in hopper, biomass material is through taper sub-material Even drop down after device separation, in dropping process, biomass material directly contacts with radial canal, uses catalyst spout with catalyst Spray into, make catalyst be fully contacted with material and pyrolysis oil gas, fast catalytic pyrolysis reaction occurs, improves catalytic efficiency.
According to specific embodiment of the utility model, preceding embodiment about biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system Beneficial effect is equally applicable to the method utilizing this system pyrolysis biomass of this utility model embodiment, does not repeats them here.
According to specific embodiment of the utility model, before described pyrolysis oil gas is carried out the first dust removal process, wrap further Include: use primary cyclone that described pyrolysis oil gas is carried out the second dust removal process;Use secondary cyclone to process Pyrolysis oil gas after described second dust removal process carries out the 3rd dust removal process;Ash bucket is used to collect described second dust removal process and institute State the 3rd isolated dust of dust removal process.Thus, use cyclone separator and grain bed dust arrester mechanical and hydraulic combined dust, permissible Effectively reduce the dustiness in rapid cleavage bio oil.
According to specific embodiment of the utility model, said method farther includes: use cleaning equipment to through the described 3rd The pyrolysis oil gas of dust removal process processes, in order to obtain bio oil and pyrolysis gas;Bio oil storage tank is used to store described biology Oil;Use gas holder to store described pyrolysis gas, and described pyrolysis gas is passed through in the radial canal in described quick catalysis pyrolysis oven. Thus further pyrolysis oil gas can be carried out process and respectively obtain bio oil and pyrolysis gas, the pyrolysis gas obtained can be further In return quick catalysis pyrolysis oven 100 in radial canal 30, and then provide heat for catalysis pyrolysis, save energy consumption.
According to specific embodiment of the utility model, said method farther includes: use spiral discharging device discharge described quickly High-temperature biological charcoal in catalytic pyrolysis furnace;In heat exchanger, the high-temperature biological charcoal that described spiral discharging device is discharged with described soon The flue gas discharged in speed catalytic pyrolysis furnace carries out heat exchange, in order to obtain after heat exchange charcoal after flue gas and heat exchange, and by after heat exchange Flue gas returns described rotary kiln for being dried biomass and the pre-heat treatment;After using coke quencher to described heat exchange Charcoal cools down;And the charcoal after cooling is stored in charcoal storehouse.Thus, by the waste heat to high-temperature biological charcoal Carry out reclaiming for the preheating of biomass material and be dried, and then the energy utilization rate of system can be improved further, reducing heat Solve the energy consumption of biomass.
Embodiment 1
By particle diameter≤2mm, moisture content be 25% wood raw material be delivered in rotary kiln carry out preheating and drying, wherein Waste heat flue-gas temperature is 120 DEG C, and it is fast that the wood flour (moisture content is 13%, and temperature is 70 DEG C) through being dried is delivered to down-flow fluidized bed using ECT In speed catalytic pyrolysis furnace, wood flour relies on self gravitation to fall to spraying into Fe simultaneously2O3(particle diameter≤0.5mm, straying quatity is catalyst The 3% of wood flour mass fraction), there is quick catalysis pyrolytic reaction;The pyrolysis oil gas that catalytic thermal solution obtains is discharged by oil gas vent, After two stage cyclone separator processes with grain bed dust arrester mechanical and hydraulic combined dust, enter into cleaning system, obtain bio oil and heat Venting one's spleen, wherein pyrolysis gas is for providing heat for radial canal;The high-temperature biological charcoal (temperature 450 DEG C) obtained is by spiral discharging Device is discharged, and enters into quenching unit, obtain charcoal after heat exchanger with flue gas heat exchange;Waste heat flue gas (130 DEG C) is passed into In rotary kiln, for wood flour is carried out preheating and drying.
Table 1. pyrolysis product distribution and bio oil property analysis result
Embodiment 2
By particle diameter≤1.5mm, the wood flour of moisture content 25% is delivered in rotary kiln carry out pre-with the heat exchange flue gas of 120 DEG C Heated drying, wood flour (moisture content 15%, temperature 75 DEG C) after drying is delivered in down-flow fluidized bed using ECT quick catalysis pyrolysis oven, wood Bits rely on self gravitation to fall, and spray into lateritic nickel ore catalyst (particle diameter≤0.2mm, straying quatity is wood flour mass fraction simultaneously 2%), occur quick catalysis pyrolytic reaction;The pyrolysis oil gas that reaction obtains is discharged through oil gas vent, separates through two stage cyclone Device and grain bed dust arrester mechanical and hydraulic combined dust enter into cleaning system after processing, and obtain bio oil and pyrolysis gas, wherein pyrolysis gas For providing energy for radial canal;The high-temperature biological charcoal (temperature 450 DEG C) obtained is discharged by spiral discharging device, through heat exchanger With enter into quenching unit after flue gas heat exchange, obtain charcoal;Waste heat flue gas (140 DEG C) is passed in rotary kiln, For wood flour is carried out preheating and drying.
Table 2. pyrolysis product distribution and bio oil property analysis result
Embodiment 3
By particle diameter≤2mm, the wood flour of moisture content 25% is delivered in rotary kiln carry out pre-with the heat exchange flue gas of 120 DEG C Heated drying, wood flour (moisture content 16%, temperature 73 DEG C) after drying is delivered in down-flow fluidized bed using ECT quick catalysis pyrolysis oven, wood Bits rely on self gravitation to fall, and spray into vanadium titano-magnetite catalyst (particle diameter≤0.2mm, straying quatity is that wood flour quality is divided simultaneously The 2% of number), there is quick catalysis pyrolytic reaction;The pyrolysis oil gas that reaction obtains is discharged through oil gas vent, via two stage cyclone After separator and grain bed dust arrester mechanical and hydraulic combined dust process, enter into cleaning system and obtain bio oil and pyrolysis gas, Qi Zhongre Vent one's spleen for providing energy for radial canal;The high-temperature biological charcoal (temperature 450 DEG C) obtained is discharged by spiral discharging device, through changing Enter into quenching unit after hot device and flue gas heat exchange, obtain charcoal;Waste heat flue gas (140 DEG C) is passed into rotary kiln In, for wood flour is carried out preheating and drying.
Table 3. pyrolysis product distribution and bio oil property analysis result
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden One or more this feature are included containing ground.In description of the present utility model, " multiple " be meant that two or two with On, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be It is mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen Above-mentioned term concrete meaning in this utility model is understood according to concrete condition.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than the Two features.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ", Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by technical staff Close and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model Above-described embodiment be changed, revise, to replace and modification.

Claims (6)

1. a biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system, it is characterised in that including:
Rotary kiln, described rotary kiln has biomass inlet and dried biomass outlet;
Feed bin, described feed bin is connected with the outlet of described dried biomass;
Quick catalysis pyrolysis oven, described quick catalysis pyrolysis oven includes:
Hopper, described hopper is arranged on the top of described pyrolysis oven and is connected with the material inlet of described pyrolysis oven and described feed bin respectively;
Tapered material distributor, described tapered material distributor is arranged on the underface of the material inlet of described pyrolysis oven;
Radial canal, described radial canal is along the short transverse multi-tier arrangement of described pyrolysis oven, and every layer has many equally distributed radial canals the most parallel to each other,
Wherein, radial canal along the short transverse layout of described pyrolysis oven is parallel to each other and is staggeredly arranged, the arrangement of radial canal radical is: along described pyrolysis oven vertical direction, radical in radiation tube layer is followed successively by N, N+1, N, N+1, so that radial canal radical is alternately arranged, N >=1, wherein, radial canal radical is in the radiation tube layer of N+1, the central axis of each radial canal is in same first horizontal plane, radial canal radical is in the radiation tube layer of N, and the central axis of each radial canal is in same second horizontal plane;
Stock guide, the upper end of described stock guide is fixed on the sidewall of described pyrolysis oven, and the lower end of described stock guide extends to described pyrolysis oven lower inside in the way of the sidewall with described pyrolysis oven is 15 ° of-45 ° of angles, wherein, the upper end of described stock guide is on described first horizontal plane, and the lower end of described stock guide is on described second horizontal plane;
Catalyst spout, described catalyst notch setting is in the 1/15H-2/3H interval of described pyrolysis oven vertically height H, and is positioned at the underface of described stock guide lower end, wherein, it is vertical with radial canal length direction that described catalyst spout is configured such that catalyst sprays into direction, and
Grain bed dust arrester, described grain bed dust arrester is connected with the pyrolysis oil gas vent of described pyrolysis oven.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system the most according to claim 1, it is characterised in that farther include between described grain bed dust arrester and the pyrolysis oil gas vent of described pyrolysis oven:
Primary cyclone, described primary cyclone is connected with the pyrolysis oil gas vent of described pyrolysis oven;
Secondary cyclone, described secondary cyclone is connected with described primary cyclone and described grain bed dust arrester respectively;And
Ash bucket, described ash bucket is connected with described primary cyclone and described secondary cyclone respectively.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system the most according to claim 2, it is characterised in that farther include:
Cleaning equipment, described cleaning equipment has pyrolysis oil gas entrance, bio oil outlet and pyrolysis gas outlet, and described pyrolysis oil gas entrance is connected with described grain bed dust arrester;
Bio oil storage tank, described bio oil storage tank is connected with the outlet of described bio oil;And
Gas holder, described gas holder is connected with radial canal in described pyrolysis gas outlet and described quick catalysis pyrolysis oven respectively.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system the most according to claim 3, it is characterised in that farther include:
Spiral discharging device, described spiral discharging device exports with the high-temperature biological charcoal of described quick catalysis pyrolysis oven and is connected;
Heat exchanger, described heat exchanger has charcoal outlet after exhanst gas outlet and heat exchange after smoke inlet, high-temperature biological charcoal entrance, heat exchange, described smoke inlet is connected with the exhanst gas outlet of described quick catalysis pyrolysis oven, described high-temperature biological charcoal entrance is connected with described spiral discharging device, and after described heat exchange, exhanst gas outlet is connected with described rotary kiln;
Coke quencher, described coke quencher is connected with charcoal outlet after described heat exchange;And
Charcoal storehouse, described charcoal storehouse is connected with described coke quencher.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system the most according to claim 1, it is characterised in that described pyrolysis oil gas vent is arranged on the bottom of described quick catalysis pyrolysis oven sidewall.
Biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system the most according to claim 1, it is characterised in that the sidewall periphery of described quick catalysis pyrolysis oven is provided with heat-insulation layer.
CN201620400898.6U 2016-05-05 2016-05-05 Quick catalytic pyrolysis system of down bed of living beings Active CN205616847U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105861080A (en) * 2016-05-05 2016-08-17 北京神雾环境能源科技集团股份有限公司 Rapid catalytic pyrolysis system of biomass downward bed and biomass pyrolysis method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105861080A (en) * 2016-05-05 2016-08-17 北京神雾环境能源科技集团股份有限公司 Rapid catalytic pyrolysis system of biomass downward bed and biomass pyrolysis method
CN105861080B (en) * 2016-05-05 2018-04-20 神雾科技集团股份有限公司 The method of biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system and pyrolysis biomass

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