CN205115379U - Living beings pyrolysis system - Google Patents
Living beings pyrolysis system Download PDFInfo
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- CN205115379U CN205115379U CN201520805976.6U CN201520805976U CN205115379U CN 205115379 U CN205115379 U CN 205115379U CN 201520805976 U CN201520805976 U CN 201520805976U CN 205115379 U CN205115379 U CN 205115379U
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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
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- 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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Abstract
The utility model discloses a living beings pyrolysis system, this living beings pyrolysis system includes: pyrolysis oven, burning riser, separator, biological charcoal heat carrier pipeline and flue. The utility model discloses a living beings pyrolysis system, the method of biological charcoal heat carrier and outside flue gas concurrent heating inside adopting realizes the high -efficient pyrolysis of living beings.
Description
Technical field
The utility model relates to chemical field, particularly, relates to biomass pyrolysis system.
Background technology
The overexploitation of the fossil energy that coal, oil etc. are non-renewable and utilization, make tellurian energy and environment problem more and more severeer, and the task of finding a kind of substitute energy of clean is also extremely urgent.Biomass resource is the fourth-largest resource on the earth, and its reserves are only second to coal, oil and natural gas, is also the clean renewable energy source of reserves first simultaneously, one of fossil energy substitute energy be best suited for.But the utilising efficiency of biomass resource is not high, the direct farmland of most of agricultural wastes is burned, and not only causes environmental pollution, also causes energy dissipation.Therefore, efficiency utilization biomass resource can not only alleviate energy scarcity and problem of environmental pollution, can also turn waste into wealth and bring economic benefit.
Biomass pyrolytic be anaerobic or limit oxygen condition under, biomass material is heated, realizes pyrolytic reaction, obtain the process of charcoal, bio oil, combustion gas.But it is uneven that current existing biomass pyrolytic technology exists heating, and the defects such as unstable product quality, are difficult to the high-valued production realizing biomass resource, and pyrolytic process needs to add external heat source, increases the operation cost of system.
Therefore, low cost, realize biomass pyrolytic efficiently, the bio oil of coproduction high-quality, the system and method for combustion gas require study.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model be propose one can low cost, realize biomass pyrolytic efficiently, the bio oil of coproduction high-quality, the system of combustion gas.
Thus, according to an aspect of the present utility model, the utility model provides a kind of biomass pyrolysis system.According to embodiment of the present utility model, this system comprises: pyrolysis oven, the pyrolysis space of biomass being carried out to pyrolysis is limited in described pyrolysis oven pyrolysis oven, wherein, described pyrolysis space comprises pyrolysis zone and mixing of materials district, described pyrolysis zone is arranged on the bottom in described pyrolysis space, described mixing of materials district is arranged on the top of described pyrolysis zone, described mixing of materials district comprises: multiple material guide plate, described multiple material guide plate is in being crisscross arranged, the length of described material guide plate horizontal projection is greater than the radius of described pyrolysis zone, to obtain pyrolytic carbon and pyrolysis oil gas, combustion rise pipe, described combustion rise pipe is connected with described pyrolysis oven, for carrying out incomplete combustion process to described pyrolytic carbon, to obtain flue gas and charcoal thermal barrier, tripping device, described tripping device is connected with described combustion rise pipe, for carrying out separating treatment to described flue gas and described charcoal thermal barrier, to obtain the charcoal thermal barrier after the flue gas after separating treatment and separating treatment, charcoal thermal barrier pipeline, described charcoal thermal barrier pipeline is connected with described pyrolysis oven with described tripping device, for being delivered in described pyrolysis oven by the charcoal thermal barrier after described separating treatment, carries out inside heating to described pyrolysis zone, and flue, described flue is arranged on the sidewall of described pyrolysis zone, utilizes described flue gas to carry out indirect heating to described pyrolysis zone.
According to the biomass pyrolysis system of embodiment of the present utility model, adopt the method that the flue gas after Internal biological charcoal thermal barrier and external discrete process heats simultaneously, the unit time processing power of biomass pyrolysis system is large, realize biomass efficient pyrolysis, wherein, flue gas after charcoal thermal barrier and separating treatment is internal system supply, and without the need to external heat source, operation cost is low.
Optionally, this biomass pyrolysis system comprises further: condensing works, and described condensing works is connected with described pyrolysis oven, for carrying out condensation process to described pyrolysis oil gas, to obtain bio oil and pyrolysis combustion gas.Thus, by condensation, pyrolysis oil gas is processed, bio oil is separated with pyrolysis combustion gas.
Optionally, this biomass pyrolysis system comprises further: feeding chamber, biomass storage space is limited in described feeding chamber, and described feeding chamber is connected with described condensing works with described pyrolysis oven respectively, for adding described biomass in described pyrolysis oven, and described biomass are utilized to filter to obtain clean gas described pyrolysis combustion gas.Thus, biomass elimination major part tar is utilized.
Optionally, this biomass pyrolysis system comprises further: interchanger, described interchanger is connected with described pyrolysis oven, described condensing works and described combustion rise pipe respectively, for before described condensation process, in advance heat exchange process is carried out to described pyrolysis oil gas and air, to obtain the air after overcooled pyrolysis oil gas and preheating, and in described combustion chamber, the air after described preheating is utilized to carry out incomplete combustion process to described charcoal.Thus, by heat exchange process, make pyrolysis oil air cooling but, be convenient to follow-up condensation process and obtain bio oil, make air heating, be convenient to carry out incomplete combustion, save energy at combustion rise Guan Zhongyu pyrolytic carbon, improve efficiency of energy utilization.
Optionally, described tripping device comprises: primary cyclone, described primary cyclone is connected with described combustion rise pipe, for carrying out the first separating treatment to described flue gas and described charcoal thermal barrier, so that the charcoal thermal barrier after the flue gas obtained after flash trapping stage process and described separating treatment; And secondary cyclone, described secondary cyclone is connected with described flue with described primary cyclone, for filtering the ash content in the flue gas after removing described flash trapping stage process, and, to obtain the flue gas after described separating treatment.Thus, good dedusting effect.
Optionally, this system comprises further: the dry device of material pre-drying, and the dry device of described material pre-drying is connected with described feeding chamber.
Optionally, described material drying device is rotary kiln.
Optionally, this system comprises further: fly-ash separator, and described fly-ash separator is connected with described interchanger with described pyrolysis oven.
Optionally, this system comprises further: pyrolysis oil air purifying apparatus, and described pyrolysis oil air purifying apparatus is connected with described feeding chamber.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the structural representation of the biomass pyrolysis system according to the utility model embodiment;
Fig. 2 shows schema biomass being carried out to pyrolysis according to the utility model embodiment;
Fig. 3 shows schema biomass being carried out to pyrolysis according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position relationship, it is only the utility model instead of require that the utility model with specific azimuth configuration and operation, therefore can not must be interpreted as restriction of the present utility model for convenience of description.
It should be noted that, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.Further, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
According to an aspect of the present utility model, the utility model provides a kind of biomass pyrolysis system.According to embodiment of the present utility model, this system comprises: pyrolysis oven 100, combustion rise pipe 200, tripping device 300, charcoal thermal barrier pipeline 400 and flue 600, wherein, the pyrolysis space 110 of biomass being carried out to pyrolysis is limited in pyrolysis oven 100, and, pyrolysis space 110 can comprise pyrolysis zone 120 and mixing of materials district 130, pyrolysis zone 120 is arranged on the below in pyrolysis space 110, mixing of materials district 130 is arranged on the top of pyrolysis zone 120, this mixing of materials district 130 comprises: multiple material guide plate 131, the plurality of material guide plate 131 is crisscross arranged in pyrolysis space, the length of material guide plate horizontal projection is greater than the radius of pyrolysis zone, obtain pyrolytic carbon and pyrolysis oil gas, wherein, the radius of pyrolysis zone refers to the minimum radius of a circle that can cover whole pyrolysis zone, combustion rise pipe 200 is connected with pyrolysis oven 100, for carrying out incomplete combustion process to pyrolytic carbon, obtains flue gas and charcoal thermal barrier, tripping device 300 is connected with combustion rise pipe 200, for carrying out separating treatment to flue gas and charcoal thermal barrier, obtains the flue gas after separating treatment and the charcoal thermal barrier after separating treatment, charcoal thermal barrier pipeline 400 is connected with pyrolysis oven 100 with tripping device 300, for being delivered in pyrolysis oven 100 by the charcoal thermal barrier after described separating treatment from tripping device 300, carries out inside heating to pyrolysis zone 120, flue 600 is arranged on the sidewall of pyrolysis zone 120, utilizes flue gas to carry out indirect heating to pyrolysis zone 120.
According to the biomass pyrolysis system of embodiment of the present utility model, the method adopting the flue gas after Internal biological charcoal thermal barrier and external discrete process simultaneously to heat carries out pyrolysis to biomass, the unit time processing power of biomass pyrolysis system is large, realize biomass efficient pyrolysis, wherein, flue gas after charcoal thermal barrier and separating treatment is internal system supply, flue gas after separating treatment is passed into flue indirect heating is carried out to biomass, the pyrolytic carbon that biomass pyrolytic obtains is by combustion rise pipe incomplete combustion, the charcoal thermal barrier obtained after separation is delivered to pyrolysis oven, with treat that the biomass of pyrolysis mix, heating biological matter is carried out from pyrolysis oven inside, carry out pyrolysis, and charcoal thermal barrier not only has outside certain absorption property to heavy tar, wherein contained ash content is also with the effect of catalytic pyrolysis heavy tar, thus raising combustion gas quality, optimize quality of bio-oil.Further, for integral type designs between the mixing of materials district of this system and pyrolysis zone, pyrolysis is effective.Simplified apparatus simultaneously, ensures the resistance to air loss of biomass pyrolysis system.This mixing of materials district utilizes the action of gravity Homogeneous phase mixing of material, without the need to complex mechanical equipment, is convenient to material and evenly falls into pyrolysis chamber.Thus, utilize system of the present utility model, utilize the product of biomass pyrolytic to carry out pyrolysis to biomass, without the need to external heat source, operation cost is low.
According to specific embodiment of the utility model, pyrolysis oven adopts larger aspect ratio, and pyrolysis gas outlet is set in upper end, pyrolysis chamber.The macromole tar in biomass material elimination pyrolysis gas and ash impurities can be utilized.
According to embodiments more of the present utility model, this biomass pyrolysis system comprises further: condensing works 1100, and condensing works 1100 is connected with pyrolysis oven 100, for carrying out condensation process to pyrolysis oil gas, obtains bio oil and pyrolysis combustion gas.Thus, by condensation, pyrolysis oil gas is processed, bio oil is separated with pyrolysis combustion gas.
According to embodiments more of the present utility model, this biomass pyrolysis system comprises further: feeding chamber 500, biomass storage space is limited in this feeding chamber 500, and this feeding chamber 500 is connected with condensing works 1100 with pyrolysis oven 100 respectively, for adding biomass in pyrolysis oven 100, and biomass are utilized to filter to obtain clean gas pyrolysis combustion gas.Thus, utilize biomass elimination major part tar, the biomass simultaneously containing tar are used for pyrolytic reaction, not only simplify follow-up gas-purification system, pyrolysis can also be made to produce the combustion gas of more high heating value.According to embodiments more of the present utility model, clean gas can also process through refining plant 1400 again, and stores in gas-holder 1500.Thus, the impurity in combustion gas is less.
According to embodiments more of the present utility model, this biomass pyrolysis system comprises further: the dry device 900 of material pre-drying, the dry device 900 of this material pre-drying is connected with feeding chamber 500, dry pre-treatment is carried out for the material large to water content, prevent humidity of materials excessive, affect the effect of follow-up pyrolysis.According to preferred embodiment of the present utility model, the dry device 900 of this material pre-drying can be rotary kiln.Thus, drying effect is good, and speed is fast, and treatment capacity is large.
According to embodiments more of the present utility model, this biomass pyrolysis system comprises further: interchanger 700, this interchanger 700 is connected with pyrolysis oven 100, condensing works 1100 and combustion rise pipe 200 respectively, for before condensation process, in advance heat exchange process is carried out to pyrolysis oil gas and air, obtain the air after overcooled pyrolysis oil gas and preheating, and the air utilize preheating in combustion rise pipe 200 after carries out incomplete combustion process to pyrolytic carbon.Thus, by heat exchange process, make pyrolysis oil air cooling but, be convenient to follow-up condensation process and obtain bio oil, make air heating, be convenient to carry out incomplete combustion, save energy with pyrolytic carbon in a combustion chamber, improve efficiency of energy utilization.
According to embodiments more of the present utility model, this system comprises further: fly-ash separator 800, and this fly-ash separator 800 is connected with interchanger 700 with pyrolysis oven 100, for carrying out purifying and dedusting process to pyrolysis oil gas, in order to avoid the dust blocking device in pyrolysis oil gas, affect pyrolytic process.
According to embodiments more of the present utility model, tripping device 300 comprises: primary cyclone 310, this primary cyclone 310 is connected with combustion rise pipe 200, for carrying out the first separating treatment to flue gas and charcoal thermal barrier, to obtain the flue gas after flash trapping stage process and the charcoal thermal barrier after separating treatment, wherein, be separated the charcoal thermal barrier obtained can add in biomass, form biomass pyrolysis carries out interior heating; With secondary cyclone 320, this secondary cyclone 320 is connected with flue 600 with primary cyclone 310, for removing the ash content in the flue gas after described flash trapping stage process, to obtain the flue gas after described separating treatment, wherein, be separated the ash content obtained to be stored in grey room 1200.Thus, through twice separating treatment, remove the particulate matter in flue gas, prevent particulate matter from blocking flue, and reclaim and obtain charcoal thermal barrier, separating treatment after flue gas pass into flue form biomass pyrolysis external heat be provided.
According to specific embodiment of the utility model, the processing power of primary cyclone 310 is leach the particulate matter that particle diameter is 50 μm, to obtain the charcoal thermal barrier that particle diameter is not less than 50 μm; The processing power of secondary cyclone 320 is leach the particulate matter that particle diameter is 20 μm, to remove the ash content that particle diameter is not less than 20 μm.Thus, utilize the second-order separation to purify, fully isolate the flue gas after charcoal thermal barrier and separating treatment.Thus, utilize primary cyclone 310 and secondary cyclone 320 twice separating treatment, remove particle diameter in flue gas and be not less than 20 μm of particulate matter and ash content, prevent particulate matter and ash content to be blended in flue gas and enter flue 600, blocking flue.
According to specific embodiment of the utility model, this biomass pyrolysis system 1000 comprises pyrolysis oil air purifying apparatus 1400 further, for carrying out purifying treatment to pyrolysis oil gas, to obtain the higher bio oil of purity and the low combustion gas of foreign matter content.
For the ease of understanding biomass pyrolysis system of the present utility model, referring to Fig. 2, to utilizing this system to be specifically described the method that biomass carry out pyrolysis, the method comprises:
S100: according to embodiments more of the present utility model, carry out pyrolysis to biomass, obtains pyrolytic carbon and pyrolysis oil gas.Thus, utilize agricultural wastes to obtain having pyrolytic carbon and the pyrolysis oil gas of higher economic worth, thus obtain bio oil and the combustion gas of high-quality, efficiency utilization biomass resource, energy scarcity and problem of environmental pollution can not only be alleviated, can also turn waste into wealth and bring good economic benefit.
According to embodiments more of the present utility model, biomass can for being selected from least one of wood chip, agricultural crop straw, forestry waste and wood shavings.Thus, the wide material sources of biomass, cheap.
According to embodiments more of the present utility model, the method may further include: carry out condensation process to pyrolysis oil gas, obtains bio oil and pyrolysis combustion gas.Thus, by condensation, pyrolysis oil gas is processed, bio oil is separated with pyrolysis combustion gas.
According to embodiments more of the present utility model, before condensation process, in advance heat exchange process is carried out to pyrolysis oil gas and air, to obtain the air after the pyrolysis oil gas and preheating of heat exchange, and utilize the air after preheating to carry out incomplete combustion process to pyrolytic carbon.Thus, by heat exchange process, pyrolysis oil gas is tentatively lowered the temperature, be convenient to follow-up condensation process and obtain bio oil, make air heating, be convenient to burn at combustion rise Guan Zhongyu pyrolytic carbon, save energy, improve efficiency of energy utilization.
According to embodiments more of the present utility model, the method comprises further: utilize biomass to carry out filtration treatment to pyrolysis combustion gas, obtains clean gas.Thus, utilize biomass elimination major part tar, the biomass containing tar are used for pyrolytic reaction, not only simplify follow-up gas-purification system, pyrolysis can also be made to produce the combustion gas of more high heating value.
According to embodiment of the present utility model, the method comprises further: the material large to water content carries out dry pre-treatment, prevents humidity of materials excessive, affects the effect of follow-up pyrolysis.According to preferred embodiment of the present utility model, rotary kiln can be utilized to carry out this drying treatment.Thus, drying effect is good, and speed is fast, and treatment capacity is large.
S200: according to embodiments more of the present utility model, incomplete combustion process is carried out to pyrolytic carbon.Thus, make full use of the pyrolytic carbon that biomass pyrolytic produces, for the pyrolysis of biomass provides thermal source, heat inside and outside realization, without the need to external heat source, operation cost is low simultaneously.
S300: according to embodiments more of the present utility model, carries out separating treatment to described flue gas and charcoal thermal barrier, to obtain the charcoal thermal barrier after the flue gas after separating treatment and separating treatment.Thus, by separating treatment, not only remove the particulate matter in flue gas, and reclaim the charcoal thermal barrier be blended in flue gas, utilize this charcoal thermal barrier to heat biomass.According to embodiment of the present utility model, purifying treatment can utilize refining plant to carry out, this tripping device can comprise: primary cyclone, this primary cyclone is connected with combustion rise pipe, for carrying out the first separating treatment to flue gas and charcoal thermal barrier, to obtain the flue gas after flash trapping stage process and the charcoal thermal barrier after separating treatment, wherein, be separated the charcoal thermal barrier obtained can add in biomass, form biomass pyrolysis carries out interior heating, and secondary cyclone, this secondary cyclone is connected with flue with primary cyclone, for removing the ash content in the flue gas after described flash trapping stage process, to obtain the flue gas after described separating treatment, wherein, be separated the ash content obtained to be stored in grey room 1200.Thus, through twice separating treatment, remove the particulate matter in flue gas, prevent particulate matter from blocking flue, and reclaim and obtain charcoal thermal barrier, separating treatment after flue gas pass into flue form biomass pyrolysis external heat be provided.
According to specific embodiment of the utility model, the processing power of primary cyclone is leach the particulate matter that particle diameter is 50 μm, to obtain the charcoal thermal barrier that particle diameter is not less than 50 μm; The processing power of secondary cyclone is leach the particulate matter that particle diameter is 20 μm, to remove the ash content that particle diameter is not less than 20 μm.Thus, utilize the second-order separation to purify, be fully separated the flue gas after obtaining charcoal thermal barrier and separating treatment.
S400: according to embodiments more of the present utility model, utilizes the flue gas after separating treatment to carry out indirect heating to biomass.According to embodiments more of the present utility model, be 1:(4-5 by weight proportion by charcoal thermal barrier and biomass) join in biomass, to utilize charcoal thermal barrier to carry out inside heating to biomass.Thus, charcoal thermal barrier is mixed with biomass, heating biological matter is carried out from inside, carry out pyrolysis, and charcoal thermal barrier not only has outside certain absorption property to heavy tar, wherein contained ash content also with the effect of catalytic pyrolysis heavy tar, thus improves combustion gas quality, optimizes quality of bio-oil.Thus utilize the product of biomass pyrolytic to carry out pyrolysis to biomass, without the need to external heat source, operation cost is low.
S500: according to embodiments more of the present utility model, joins the charcoal thermal barrier after described separating treatment in described biomass.According to embodiments of the invention, charcoal thermal barrier pipeline is utilized to be delivered in described pyrolysis oven by the charcoal thermal barrier after separating treatment, charcoal thermal barrier after separating treatment is joined in biomass, utilizes the charcoal thermal barrier after described separating treatment to carry out inside heating to described biomass.Thus, the charcoal utilizing burning to produce carries out inside heating to biomass, fully realizes the comprehensive utilization of the energy.According to some embodiments of the present invention, charcoal thermal barrier pipeline is utilized to be delivered in described pyrolysis oven by the charcoal thermal barrier after described separating treatment, charcoal thermal barrier after described separating treatment is joined in described biomass, to utilize the charcoal thermal barrier after described separating treatment to carry out inside heating to described biomass.
According to some embodiments of the present invention, be 1:(4-5 by weight proportion by charcoal thermal barrier and biomass) join in biomass, to utilize charcoal thermal barrier to carry out inside heating to biomass.Thus, charcoal thermal barrier is mixed with biomass, heating biological matter is carried out from inside, carry out pyrolysis, and charcoal thermal barrier not only has outside certain absorption property to heavy tar, wherein contained ash content also with the effect of catalytic pyrolysis heavy tar, thus improves combustion gas quality, optimizes quality of bio-oil.Thus utilize the product of biomass pyrolytic to carry out pyrolysis to biomass, without the need to external heat source, operation cost is low.
According to embodiment of the present utility model, method of biomass being carried out to pyrolysis of the present utility model, the method adopting the flue gas after Internal biological charcoal thermal barrier and external discrete process simultaneously to heat carries out pyrolysis to biomass, unit time processing power is large, realize biomass efficient pyrolysis, wherein, flue gas after charcoal thermal barrier and separating treatment is internal system gained, secondary purification flue gas is carried out indirect heating by flue conveying to biomass, charcoal thermal barrier mixes through multilayer batch mixing slide plate with biomass, realize inner pyrolysis, and then heat inside and outside realizing simultaneously.Thus, utilize system of the present utility model, utilize the product of biomass pyrolytic to carry out pyrolysis to biomass, without the need to external heat source, operation cost is low.
Below with reference to specific embodiment, be described the utility model, it should be noted that, these embodiments are only illustrative, and can not be interpreted as restriction of the present utility model.
Embodiment 1
Utilize device of the present utility model, the structural representation of device as shown in Figure 1, take wood chip as raw material, production bio oil and combustion gas, and as shown in Figure 3, concrete steps are as follows for pyrolytic process:
(1) with particle diameter for 2 ~ 3cm, the wood chip that water content is less than 20% is example, and wood chip is introduced into rotary kiln and carries out dry materials, and drying temperature is 150 ~ 200 DEG C, and dried wood chip enters into feed bin;
(2) dried wood chips and charcoal thermal barrier enter into pyrolysis oven with 5:1 ratio respectively by material inlet and thermal barrier import, after fully being mixed, evenly enter into pyrolysis zone by batch mixing slide plate, start pyrolysis;
(3) pyrolytic carbon (500 ~ 550 DEG C) obtained mixes with preheated air (200 ~ 300 DEG C) and enters into combustion rise pipe and carries out incomplete combustion, and the product obtained after burning leaches charcoal thermal barrier (650 ~ 700 DEG C) by primary cyclone; Flue gas after flash trapping stage process by secondary cyclone except deashing, obtain the flue gas after separating treatment (700 DEG C) and enter flue by heat smoke import, for wood chip provides external heat source, the flue gas (150 ~ 200 DEG C) of finally being discharged by exhanst gas outlet is passed in rotary kiln and carries out preheating and drying to wood chip;
(4) pyrolysis gas is by being discharged by pyrolysis gas outlet after charcoal thermal barrier and wood chip mixolimnion elimination macromole tar, by tornado dust collector except dust, enter into air heat exchanger and carry out heat exchange, preheated air is transported in combustion rise pipe for pyrolytic carbon incomplete combustion, pyrolysis oil gas enters into condensing unit, obtains bio oil, and thick combustion gas is through feed bin elimination major part tar, enter clean unit, obtain clean gas and enter gas holder storage; The raw material of the band tar in feed bin directly enters into pyrolysis oven and carries out pyrolysis.
(5) analyzing and testing is carried out to raw material wood chip, pyrolysis product and gaseous product, result as table 1,2, shown in 3 and 4, bio oil productive rate 20.7%, gas yield 40.2%, charcoal productive rate 28.3%; CO and H in combustion gas
2content is all higher, is respectively 28.4% and 27.84%, and wherein fuel gases calorific value is 18758KJ/m
3, improve 27% than fast pyrogenation fuel gases calorific value; The bio oil generated is hardly containing heavy tar, and mainly based on lightweight oil, wherein in bio oil, phenolic compound is high to more than 70%, is convenient to upgrading or processing treatment; Bio oil viscosity 97 × 10
-6(m
2s
-1), lower than the biological oil viscosity 20% of fast pyrogenation.
The analysis of table 1. starting material element and technical analysis
Table 2. biomass pyrolysis product distributes
Table 3. product gas composition forms
Table 4. bio oil character
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (9)
1. a biomass pyrolysis system, is characterized in that, comprising:
Pyrolysis oven, the pyrolysis space of biomass being carried out to pyrolysis is limited in described pyrolysis oven, wherein, described pyrolysis space comprises pyrolysis zone and mixing of materials district, described pyrolysis zone is arranged on the bottom in described pyrolysis space, and described mixing of materials district is arranged on the top of described pyrolysis zone, and described mixing of materials district comprises: multiple material guide plate, described multiple material guide plate is in being crisscross arranged, and the length of described material guide plate horizontal projection is greater than the radius of described pyrolysis zone;
Combustion rise pipe, described combustion rise pipe is connected with described pyrolysis oven;
Tripping device, described tripping device is connected with described combustion rise pipe;
Charcoal thermal barrier pipeline, described charcoal thermal barrier pipeline is connected with described pyrolysis oven with described tripping device; And
Flue, described flue is arranged on the sidewall of described pyrolysis zone.
2. biomass pyrolysis system according to claim 1, is characterized in that, comprises further:
Condensing works, described condensing works is connected with described pyrolysis oven.
3. biomass pyrolysis system according to claim 2, is characterized in that, comprises further:
Feeding chamber, limits biomass storage space in described feeding chamber, and described feeding chamber is connected with described condensing works with described pyrolysis oven respectively.
4. biomass pyrolysis system according to claim 2, is characterized in that, comprises further:
Interchanger, described interchanger is connected with described pyrolysis oven, described condensing works and described combustion rise pipe respectively.
5. biomass pyrolysis system according to claim 1, is characterized in that, described tripping device comprises:
Primary cyclone, described primary cyclone is connected with described combustion rise pipe; And
Secondary cyclone, described secondary cyclone is connected with described flue with described primary cyclone.
6. biomass pyrolysis system according to claim 3, is characterized in that, comprises further:
The dry device of material pre-drying, the dry device of described material pre-drying is connected with described feeding chamber.
7. biomass pyrolysis system according to claim 6, is characterized in that, described material drying device is rotary kiln.
8. biomass pyrolysis system according to claim 4, is characterized in that, comprises further:
Fly-ash separator, described fly-ash separator is connected with described interchanger with described pyrolysis oven.
9. biomass pyrolysis system according to claim 3, is characterized in that, comprises further:
Pyrolysis oil air purifying apparatus, described pyrolysis oil air purifying apparatus is connected with described feeding chamber.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219417A (en) * | 2015-10-16 | 2016-01-06 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass are carried out to the method for pyrolysis |
| CN105907407A (en) * | 2016-06-17 | 2016-08-31 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and method |
| CN106190201A (en) * | 2016-08-29 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | A kind of biomass pyrolysis system with built-in dust arrester and method |
| CN110548879A (en) * | 2019-06-04 | 2019-12-10 | 北京化工大学 | Preparation method and application of green synthetic novel iron-carbon material |
-
2015
- 2015-10-16 CN CN201520805976.6U patent/CN205115379U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219417A (en) * | 2015-10-16 | 2016-01-06 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass are carried out to the method for pyrolysis |
| CN105219417B (en) * | 2015-10-16 | 2017-05-03 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass pyrolysis method |
| CN105907407A (en) * | 2016-06-17 | 2016-08-31 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and method |
| CN106190201A (en) * | 2016-08-29 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | A kind of biomass pyrolysis system with built-in dust arrester and method |
| CN110548879A (en) * | 2019-06-04 | 2019-12-10 | 北京化工大学 | Preparation method and application of green synthetic novel iron-carbon material |
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