CN1662630A - Method for the pyrolysis of a pyrolysable mass - Google Patents
Method for the pyrolysis of a pyrolysable mass Download PDFInfo
- Publication number
- CN1662630A CN1662630A CN038138808A CN03813880A CN1662630A CN 1662630 A CN1662630 A CN 1662630A CN 038138808 A CN038138808 A CN 038138808A CN 03813880 A CN03813880 A CN 03813880A CN 1662630 A CN1662630 A CN 1662630A
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- CN
- China
- Prior art keywords
- particle
- mixture
- pyrolysable
- pyrolysis
- thermal decomposition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/16—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Processing Of Solid Wastes (AREA)
- Crushing And Grinding (AREA)
Abstract
A method of pyrolysis wherein pyrolysable particles mixed with heated carrier particles are treated at an elevated temperature yielding a flammable product. According to the invention, use is made for mixing a rotating, vibrating or shaking element or by mixing at a volume density of less than 40%, and mixing occurs to a specified minimum degree after the mixture is deposited and is pyrolysed in the reactor after depositing.
Description
The present invention relates to the method for the pyrolysis of a pyrolysable mass of particle form, wherein at elevated temperatures, in the presence of carrier granule, handle pyrolysable particle, obtain at least a combustible product, wherein
-heating carrier particle;
The carrier granule of-heating contacts with pyrolysable particle and mixes with it;
The pyrolysis in reactor of the mixture of the carrier granule of-pyrolysable particle and heating, but the gaseous combustible product of heat and the mixture of poor thermal decomposition material obtained; With
Be the heating carrier particle, but remove the mixture of poor thermal decomposition material.
Lurgi Company discloses a kind of like this method, wherein inorganic particle (coal ash residue particles) is fed in the forcing machine shape device, and described forcing machine has two horizontal screw bolts for the transportation inorganic particle.In this device,, join in the inorganic particle as residue, tar sand and the heavy oil fraction of oil with hydrocarbon material.Processing under 500-600 ℃ causes the formation of gas and steam and coke.Screw rod promotes the mixing between inorganic particle and the material, to carry out pyrolysis, wherein seldom mixing is axially taking place and satisfied mixing is radially taking place.Screw rod guarantees that also the mixture transmission is through this device.The advantage of described method is opposite with method based on fluidized-bed, do not need to add a large amount of vector gas, and carrier gas is known from experience diluent gas product widely.
The shortcoming of currently known methods is that screw rod runs into big resistance and therefore drives them and requires many energy.The cost that adopts this device to carry out this method is to sacrifice the total high energy output of this method.Sizable resistance also means the wearing and tearing of device, the especially wearing and tearing of screw rod, and this economy to this method has negative impact.
The purpose of this invention is to provide the sort of method of in preamble, mentioning, but be favourable economically with power loss decline and this method that carrier granule causes wherein because of mixing thermal decomposition material.
For this reason, the inventive method is characterised in that, with ratio A vector supplier particle with ratio B supply pyrolysable particle with mix like this:
-use to be selected from following blending means: i) mix with spinner member, wherein pyrolysable particle contact with spinner member in the spinner member center with carrier granule and spinner member so that the speed rotation that pyrolysable particle and carrier granule move on the spinner member surface that will skim over; Ii) with vibration or the jolting element mixes and pyrolysable particle and carrier granule leave vibration or jolting element in the edge of vibration or jolting element or the hole in it and iii) with less than 40% volume density mixing; With
-before deposited mixture, mix this mixture at least fully, its degree makes in 1 cubic decimeter of blend sample that so obtains, the deviation of the ratio of the ratio of A/B when adding A and B is less than 20%,
Under deposition gained mixture and the condition after toppling over, in reactor, carry out pyrolysis.
In such a way, do not take place under any degree of depth pyrolytic situation before the mixture deposition, pyrolysable particle and carrier granule mix very apace, thereby produce compounding substances, and the further mixing of this compounding substances will involve high cost of energy.Can use sand is known as the fact of carrier granule itself.In order to limit the loss of pyrolysis gas by the inlet of carrier granule and pyrolysable particle, inlet is connected on the feeder sleeve of perpendicular, select the internal diameter and the length of described feeder sleeve, so that they form the resistance to pyrolysis gas.Under the situation of using rotation, vibration or jolting element, the particulate mixture generally falls on the edge of described element.Hole in described element can be provided and allow described mixture process.In the present invention, the term pyrolysis should be understood to refer to produce any thermal treatment of decomposition.But thermal decomposition material preferably includes at least a component that is selected from hydrocarbon and the carbohydrate.The present invention is particularly suitable for forming at room temperature and is liquid and the fuel that obtains with condensation.So the compound (at room temperature being liquid) that forms is very little with further cracked danger.In addition, opposite with currently known methods, can avoid the dilution that causes because of vector gas.What in this application, carrier granule should be understood to absorb heat and to dispel the heat can not the pyrolytic particle.This particle for example is an inert particle, as sand grains, but also can be catalysed particulate.This catalysed particulate preferably has to help form and at room temperature is the pyrolysis product of liquid.The solid volume that the term volume density is represented to be occupied by solid is with respect to the cumulative volume ratio of (promptly comprising space between the crack).Volume density is preferably less than 25%, as less than 15%.Lower volume density is not only guaranteed the mixing of low friction, and the pyrolysis in the restriction mixing process.
Deviation is preferably less than 10%.
In practice, this means and do not require further mixing.If wish further to mix, it is just much of that then to carry out this mixing in the surface of deposited mixture usually, wherein needs still quite little power for mixing.
Preferably realize contact and mix with rotating cone.
But this cone is proved to be and is used for mixing fast and effectively thermal decomposition material and carrier granule very effectively.
Preferably take place to mix and pyrolysis in two isolating chambers, wherein these two chambers are with the dividing plate interconnection that is provided with at least one opening.
The design dividing plate makes and to avoid carrier granule or pyrolysable particle is thereon residual and dividing plate for example is grid or funnel.This pyrolysis gas that helps avoid from deposited mixture enters in the mixing chamber, and described pyrolysis gas can be overflowed from described mixing chamber with carrier granule still to be mixed and pyrolysable particle feeder sleeve.
Preferably cool off combustible product and it is separated into liquefaction oil component and gaseous fraction.
Especially, the liquefaction oil component can be used as liquid fuel.
But the gaseous fraction incendivity also is used for the drying thermal decomposition material.
In such a way, but can influence the water capacity of thermal decomposition material, and therefore influence the composition of liquids and gases product.
But preferably discharge the mixture of poor thermal decomposition material from the bottom of deposited mixture.
So mixture is input in the reactor with low cost of energy, supply simultaneously up-to-date deposited mixture in the top side, described mixture comprises the more relatively pyrolytic material of still treating.
If but thermal decomposition material contains and causes cracked component or product,, topple over carrier granule, then can remedy it effectively facing to the inwall of reactor if then in toppling over the process of mixture in the reactor.
Preferably, but by making oxygen-containing gas flow through the mixture of poor thermal decomposition material, come the heating carrier particle.
Then, still the carbonaceous material and the carrier granule of existence are elevated to the temperature that makes that the effective underground heat of possibility is separated in reactor once more in burning.
According to an important embodiment, but comprise that the thermal decomposition material of carbohydrate is a biological substance.
So method of the present invention makes and effectively pyrolysis of biological substance for example is used to form biofuel, especially biofuel.
Also set forth the present invention with reference to the accompanying drawings by the embodiment that exemplifies, wherein unique accompanying drawing illustrates the device that is suitable for carrying out the inventive method.
In Fig. 1, device 1 is described to comprise mixing chamber 2 and chamber of the reactor 3.Top side in mixing chamber 2 provides pyrolysable particle A, the first raw material opening of using for the wood powder of 1-3mm for example as granularity 4 and the carrier granule B of heat, for example second feed line 5 used for the sand grains of about 0.5mm of granularity.In the disclosed herein embodiment, the particle A, the B that are supplied drop to and are present in the mixing chamber, on the rotating disk 6 near its center.Rotation times by selecting per minute and randomly further measuring by its shape (as outward-dipping or rise) can change the speed that particle A, B move on the surface of disk 6.Suitable speed of rotation for example is 300rpm.Therefore composite grain A, B very apace obtain granular mixture.
Skim over from rotating disk 6 and possibly with the collision of the inwall of mixing chamber 2 after, formed granular mixture falls downwards and deposits.Pyrolysis and formed pyrolysis product D take place in deposited mixture C especially to discharge with discharging pipeline 7.
Deposited mixture C and take place can have collection tube 8 in the reactor zone of pyrolytic chamber of the reactor 3 therein is to reduce (on average) distance that pyrolysis product D must pass deposited mixture C.This increase at room temperature is the output of the combustible pyrolysis products D of liquid.Can on deposited mixture C, collect pyrolysis gas D, but in the embodiment herein, use the collection tube 8 that is present in the deposited mixture C, described collection tube 8 has the slit of inclination, particle, even less than the particle of slit width, also can not be by the slit of described inclination.Preferred collection tube 8 does not have this slit near the top of deposited mixture C.Because pyrolysis certain fluidisation can take place, and fluidisation can be transmitted particle in collection tube 8 from mixture C, this is non-required.Randomly, collection tube 8 can be open in its lower end.Therefore, can discharge the particle that enters in the collection tube 8.
Work as thermal decomposition material, when still containing some moistures (as water) as biological substance, this can help to prevent that this pyrolysis product from entering in the mixing chamber 2.If when taking place therein to have dividing plate (not shown) or split tunnel 9 between blended zone and the pyrolysis zone that wherein mixture of A and B can pass through fast, situation is especially true.For this reason, dividing plate for example is a grid form.Moisture in biological substance also helps to take place hardly pyrolysis in mixing chamber except helping especially short mix.If by pipeline supply particle A and B, what for to the non-required escape that further stops pyrolysis product D.When pipeline was grown and had less internal diameter, situation was especially true.Certainly, the size of coming the fixed tube line according to the desired volume that installs 1.Advantageously, if with particle filling pipeline relatively in large quantities, then in order to prevent the non-required escape of pyrolysis product through supply opening 4,5, pipeline can randomly be furnished with the non-return valve (not shown).
But carry out the pyrolytic mixture and leave chamber of the reactor 3 with the form of the mixture E of poor pyrolytic material through discharging pipeline 10.This mixture E also can contain the particle A ' of carbonization except containing particle B.Mixture E contacts with oxygen with this situation, and consequently, carbonized particles A ' burning obtains particles preheated B, and particle B turns back in the mixing chamber 2.Randomly, fuel supplying, as Sweet natural gas, enough hot in return mechanism 1 to guarantee particle B.Also can use air upwards to transmit particle B, in order that these particle form with heating are turned back in the mixing chamber 2.It is known in the art transmitting particle by this way.
Can be in the presence of water and carbonic acid gas, the particle A ' of gasification carbonization, thus obtain inflammable gas, rather than burn them.
Usually, also stoped with pipeline 10 discharging pyrolysis products.Can carry out this method as described above, with the loss that prevents to cause through feed opening 4,5.In addition, the length of chamber of the reactor 3 can make and pyrolysis not take place and play the effect that stops from the end portion that C changes into the deposition material of E at end portion.
Claims (10)
1. the method for the pyrolysis of a pyrolysable mass of particle form wherein at elevated temperatures, is handled pyrolysable particle in the presence of carrier granule, obtains at least a combustible product, wherein
-heating carrier particle;
The carrier granule of-heating contacts with pyrolysable particle and mixes with it;
The pyrolysis in reactor of the mixture of the carrier granule of-pyrolysable particle and heating, but the gaseous combustible product of heat and the mixture of poor thermal decomposition material obtained; With
-be the heating carrier particle, but remove the mixture of poor thermal decomposition material, it is characterized in that with ratio A vector supplier particle with ratio B supply pyrolysable particle with mix like this:
-use to be selected from following blending means: i) mix with spinner member, wherein pyrolysable particle contact with spinner member in the spinner member center with carrier granule and spinner member so that the speed rotation that pyrolysable particle and carrier granule move on the spinner member surface that will skim over; Ii) with vibration or the jolting element mixes and pyrolysable particle and carrier granule leave vibration or jolting element in the edge of vibration or jolting element or the hole in it and iii) with less than 40% volume density mixing; With
-before deposited mixture, mix this mixture at least fully, its degree makes in 1 cubic decimeter of blend sample that so obtains, the deviation of the ratio of the ratio of A/B when adding A and B is less than 20%,
Under deposition gained mixture and the condition after toppling over, in reactor, carry out pyrolysis.
2. the method for claim 1 is characterized in that deviation is preferably less than 10%.
3. claim 1 or 2 method is characterized in that preferably realizing contact and mixing with rotating cone.
4. the method for aforementioned any one claim is characterized in that preferably taking place to mix and pyrolysis in two isolating chambers.
5. the method for aforementioned any one claim is characterized in that preferably cooling off combustible product and it is separated into liquefaction oil component and gaseous fraction.
6. the method for claim 5, but it is characterized in that the gaseous fraction incendivity and be used for the drying thermal decomposition material.
7. the method for aforementioned any one claim, but it is characterized in that preferably discharging the mixture of poor thermal decomposition material from the deposited mixture bottom.
8. the method for aforementioned any one claim is characterized in that toppling in reactor in the process of mixture, topples over carrier granule facing to the inwall of reactor.
9. the method for aforementioned any one claim, but it is characterized in that by making the mixture that oxygen-containing gas flows through poor thermal decomposition material come the heating carrier particle.
10. the method for aforementioned any one claim, but it is characterized in that the thermal decomposition material of carbohydrate containing is a biological substance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1020861A NL1020861C2 (en) | 2002-06-14 | 2002-06-14 | Process for pyrolyzing a pyrolyzable mass. |
| NL1020861 | 2002-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1662630A true CN1662630A (en) | 2005-08-31 |
Family
ID=29728915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN038138808A Pending CN1662630A (en) | 2002-06-14 | 2003-06-16 | Method for the pyrolysis of a pyrolysable mass |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1516035A1 (en) |
| CN (1) | CN1662630A (en) |
| AU (1) | AU2003276555A1 (en) |
| BR (1) | BR0312126A (en) |
| CA (1) | CA2488153A1 (en) |
| NL (1) | NL1020861C2 (en) |
| RU (1) | RU2005100784A (en) |
| WO (1) | WO2003106590A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755033A (en) * | 2007-07-22 | 2010-06-23 | Btg生物流体有限公司 | Pyrolysis reactor |
| CN111715667A (en) * | 2020-06-29 | 2020-09-29 | 南京明豪环保科技有限公司 | Method and system for separating waste oil from kitchen waste |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322096C (en) * | 2005-06-08 | 2007-06-20 | 王述洋 | Three-conical double water innercooling biomass flash-cracked biofuel-making reactor |
| FI122858B (en) | 2008-03-31 | 2012-08-15 | Metso Power Oy | Method for performing pyrolysis and pyrolysis apparatus |
| FI122778B (en) | 2008-03-31 | 2012-06-29 | Metso Power Oy | Pyrolysis method in conjunction with a boiler, and pyrolysis device |
| FI125685B (en) | 2012-11-09 | 2016-01-15 | Valmet Technologies Oy | Method for performing pyrolysis and pyrolysis apparatus |
| US10925295B2 (en) | 2015-03-23 | 2021-02-23 | Societe Des Produits Nestle S.A. | Aerated confectionery material |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983653A (en) | 1953-12-04 | 1961-05-09 | Metallgesellschaft Ag | Apparatus for degasifying finely divided fuels |
| DE1809874B2 (en) | 1968-11-20 | 1974-10-31 | Metallgesellschaft Ag, 6000 Frankfurt | Device for the dry distillation of bituminous or oil-containing, fine-grained materials for the purpose of obtaining liquid hydrocarbons |
| US4069107A (en) * | 1976-05-03 | 1978-01-17 | Edward Koppelman | Continuous thermal reactor system and method |
| US4430195A (en) * | 1981-12-21 | 1984-02-07 | Standard Oil Company, (Indiana) | Fluid bed retorting process with lateral flow |
| CA1283880C (en) * | 1987-05-07 | 1991-05-07 | Dave A. Berg | Method and apparatus for rapid thermal processing |
| US5496465A (en) * | 1993-04-22 | 1996-03-05 | Fraas; Arthur P. | Vibrating bed coal pyrolysis system |
| NL1001006C2 (en) * | 1995-08-18 | 1997-02-20 | Biomass Technology Group B V | Method and device for the thermal treatment of non-gaseous material. |
| SK279397B6 (en) * | 1997-03-03 | 1998-11-04 | Ivan Ma�Ar | Method of thermal and/or catalytic decomposition and/or depolymerisation of low-grade organic compounds and apparatus for processing thereof |
-
2002
- 2002-06-14 NL NL1020861A patent/NL1020861C2/en not_active IP Right Cessation
-
2003
- 2003-06-16 CA CA002488153A patent/CA2488153A1/en not_active Abandoned
- 2003-06-16 BR BR0312126-7A patent/BR0312126A/en not_active IP Right Cessation
- 2003-06-16 CN CN038138808A patent/CN1662630A/en active Pending
- 2003-06-16 RU RU2005100784/04A patent/RU2005100784A/en not_active Application Discontinuation
- 2003-06-16 AU AU2003276555A patent/AU2003276555A1/en not_active Abandoned
- 2003-06-16 WO PCT/NL2003/000442 patent/WO2003106590A1/en not_active Application Discontinuation
- 2003-06-16 EP EP03741644A patent/EP1516035A1/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755033A (en) * | 2007-07-22 | 2010-06-23 | Btg生物流体有限公司 | Pyrolysis reactor |
| CN101755033B (en) * | 2007-07-22 | 2014-04-09 | Btg生物流体有限公司 | Pyrolysis reactor |
| CN111715667A (en) * | 2020-06-29 | 2020-09-29 | 南京明豪环保科技有限公司 | Method and system for separating waste oil from kitchen waste |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2005100784A (en) | 2005-07-10 |
| NL1020861C2 (en) | 2003-12-16 |
| AU2003276555A1 (en) | 2003-12-31 |
| EP1516035A1 (en) | 2005-03-23 |
| WO2003106590A1 (en) | 2003-12-24 |
| BR0312126A (en) | 2005-03-29 |
| CA2488153A1 (en) | 2003-12-24 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |