WO2002031082A1 - Appareil d'alimentation et de collecte discontinues en tandem pour pyrolyse continue du caoutchouc et/ou d'un autre materiau a base d'hydrocarbure - - Google Patents

Appareil d'alimentation et de collecte discontinues en tandem pour pyrolyse continue du caoutchouc et/ou d'un autre materiau a base d'hydrocarbure - Download PDF

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Publication number
WO2002031082A1
WO2002031082A1 PCT/US2001/031752 US0131752W WO0231082A1 WO 2002031082 A1 WO2002031082 A1 WO 2002031082A1 US 0131752 W US0131752 W US 0131752W WO 0231082 A1 WO0231082 A1 WO 0231082A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber
hydrocarbon
based material
reactor chamber
vacuum
Prior art date
Application number
PCT/US2001/031752
Other languages
English (en)
Inventor
Ronald E. Nicholas
Original Assignee
Rj Lee Group, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rj Lee Group, Inc. filed Critical Rj Lee Group, Inc.
Priority to AU2002211623A priority Critical patent/AU2002211623A1/en
Publication of WO2002031082A1 publication Critical patent/WO2002031082A1/fr

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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
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/32—Other processes in ovens with mechanical conveying means
    • C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/06—Reclamation of contaminated soil thermally
    • B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
    • 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
    • C10B49/02—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 hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
    • C10B49/04—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 hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated
    • 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
    • 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
    • C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
    • 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
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics

Definitions

  • the present invention relates to a continuous feed/collection apparatus for the vacuum pyrolysis of cuttings of rubber and/or hydrocarbon-based material, including hydrocarbon-contaminated soil, to yield a non-condensable fraction of combustible vapor; oil; and a carbonaceous solid residue.
  • BACKGROUND OF THE INVENTION The treatment of rubber and plastics such as vehicle tires plastic and rubber residues from shredded automobiles and RDF (Refuse Derived Fuel) is a major environmental problem. Economical vacuum pyrolysis of rubber and plastics cuttings has been attempted for the past several decades. However, rubber becomes sticky and causes clogging of conventional transport systems.
  • U.S. Patent No.4, 740,270 describes a process for the vacuum pyrolysis of scrap tires in which fire cuttings are moved in a multi-tray reactor with a conventional transportation system from an upper tray to a lower tray. The tire cuttings are shifted from the top tray to the bottom tray along a temperature gradient from 392°F and peaking at 932°F. Thus, the tire cuttings are heated up while continuously moving down.
  • Other patented processes, which utilize high temperatures, are described in U.S. Patents Nos. 6,046,370 and 4,740,270.
  • U.S. Patent No.4,084,521 to Herbold et al. discloses a method and apparatus for pyrolysis of waste products such as tires.
  • the apparatus includes a charging hopper that has two airtight chambers connected one after another to form an airlock. Also, a door or delivery flap is biased by counter- weight in order to crush practically all of the residual material before it can drop past a delivery flap
  • U.S. Patent No.6,046,370 to Affolter et al. describes a process for vacuum pyrolysis of rubber and plastic cuttings in which a portion of the produced ., carbonaceous residue is added back to eliminate sticking of the hot product during processing. The process is run at a reactor temperature of 842°F to 1022°F. Lack of commercial success of many prior art methods has led to the continued need for new methods and apparatus for vacuum pyrolysis of rubber and other hydrocarbon materials.
  • the present invention relates to a continuous feed/continuous collection apparatus for the treatment of rubber and/or other hydrocarbon-based material by vacuum pyrolysis of cuttings of the material to yield fractions of combustible vapor, oil, wire, and carbonaceous solid residue.
  • the system includes a plurality of tandem feed and tandem collection bins that are designed to maintain the reaction under vacuum, while allowing a continuous flow of reactants and products to and from the reactor.
  • Figure 1 schematically shows a vacuum pyrolysis apparatus having continuous feed/continuous collection apparatus according to the present invention
  • FIGS 2(a)-(b) schematically show tandem feed and tandem collection bins according to the present invention.
  • the present invention provides for an apparatus and process for the treatment of rubber and plastics by vacuum pyrolysis of cuttings of rubber and plastics to yield a non-condensable fraction of combustible vapor; oil; and a carbonaceous solid residue.
  • the invention provides an apparatus for the treatment of rubber, plastics, and/or other hydrocarbon-based material comprising tandem feed bins alternating between vacuum and atmospheric pressure to load the reactor in a continuous fashion.
  • the apparatus may also utilize tandem collection bins alternating between vacuum and atmospheric pressure to collect the product in a continuous fashion.
  • the present invention provides an apparatus for reclamation and recovery of constituents of discarded vehicle tires and other rubber-based materials, including organic and inorganic materials, for reuse or environmentally-safe disposal.
  • This apparatus comprises a feed system for transferring rubber-based material to an inlet of a low temperature reactor chamber having activation, decomposition, and completion zones, and having a helicoid auger for transferring pieces of the rubber or hydrocarbon-based material from the reactor inlet and solid product from a reactor outlet.
  • the inlet and outlet bins are positioned at each end of the low temperature reactor chamber.
  • the apparatus further comprises a solid material recovery system, and a vapor recovery system for recovering vapor from the decomposition zone of reactor chamber.
  • the vapor recovery system comprises a heat exchanger for condensing vapor from the low temperature reactor chamber, a liquid/vapor separator for separating liquids condensed in the heat exchanger, and a vacuum pump for removing vapor from the decomposition zone of the reactor chamber.
  • a catalyst may be used to provide a non-sticking product and allows a helical auger reactor to be used to transport the reactants. At least a portion of the carbonaceous solid residue may be mechanically mixed with the rubber and plastic cuttings before and during pyrolysis. The mechanical mixing facilitates achieving 1) a homogeneous solid mass; (2) a high transfer of heat from a reactor shell into the solid product; and (3) a reduction of the reaction time.
  • the reactor is fed under vacuum in a continuous manner from one hopper while a second hopper is filled at atmospheric pressure. Just before the first hopper is empty, the second hopper is sealed and put under vacuum. The full, second hopper is then put into operation as the first hopper is opened and filled.
  • This tandem fill and vacuum operation allows the reactor to be fed in a continuous manner.
  • a similar system is set up to empty the reactor in a continuous manner as shown in Figure 2(b).
  • pre-dried rubber enters feeder bins and a catalytic compound is added to intensify the rubber liquefaction process. The rubber is transferred, by helicoid augers, from the feeder bins through a controlled temperature reactor chamber and into output bins.
  • the reactor chamber is maintained under moderate vacuum and is heated to maintain temperatures which are varied spatially over the length of the reactor chamber, varying between ambient temperature and a temperature required for the process.
  • a primary economic benefit is that the spatially-varying temperature profile reactor is designed to take advantage of the exothermic properties of the pyrolysis reaction to improve the efficiency of the process.
  • a feeder and recovery system removes the vapor from the reactor chamber while maintaining the system operation under vacuum. The vapor passes through a heat exchanger and separator where the liquid hydrocarbon product is removed and stored. The vapor is compressed and stored or recycled to augment the 5 fuel used to heat the reactor.
  • the solid residue is separated by an electromagnetic process into carbon black/ carbonaceous residue and wire. The carbon is further processed through granulating equipment.
  • FIG. 1 An example of a continuous feed system is shown in Figure 1. Shredded rubber 30 or other hydrocarbon material and a catalyst 35 are moved into
  • the elongated reaction chamber 50 is heated at both ends by gas burner 55 and gas burner 60.
  • the hydrocarbon material is heated in the activation zone 65, and then moves by means of a helicoid auger 70 to the decomposition zone 73, where the exothermic portion of the reaction occurs. As the reaction slows, the hydrocarbon
  • Vapors 90 are continuously drawn off and condensed into oil 95 by a heat exchanger or oil condensers 100 or burned as fuel during the reaction.
  • a vacuum pump 105 draws off the vapors and maintains a
  • the invention provides a process for treating rubber and/or hydrocarbon-based material by vacuum pyrolysis.
  • the process comprises transferring rubber and/or hydrocarbon-based material to the inlet of a low-temperature reactor chamber by a plurality of hoppers
  • the rubber and/or hydrocarbon-based material is then vacuum pyrolyzed, thereby yielding a carbon black/carbonaceous solid residue, a liquid hydrocarbon product, wire, and a non- condensable combustible vapor.
  • the rubber and/or hydrocarbon-based material can be fragmented to approximately 10 x 10 inch or smaller cuttings; previous
  • the reactor is heated to control the pyrolysis temperature, and spatial control of the desired reaction temperature is maintained throughout the activation, decomposition and completion zones of the reactor chamber.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

L'invention concerne un appareil de pyrolyse sous vide du caoutchouc/ou d'un autre matériau hydrocarboné (30). Cet appareil comprend des trémies d'alimentation (40) discontinue en tandem qui fonctionnent séquentiellement sous vide afin d'alimenter le réacteur de pyrolyse (50) de manière continue, et des récipients de collecte (80) discontinue en tandem qui fonctionnent en séquence sous vide afin de collecter le produit de réaction provenant du réacteur. L'invention concerne également un procédé de pyrolyse sous vide.
PCT/US2001/031752 2000-10-10 2001-10-10 Appareil d'alimentation et de collecte discontinues en tandem pour pyrolyse continue du caoutchouc et/ou d'un autre materiau a base d'hydrocarbure - WO2002031082A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002211623A AU2002211623A1 (en) 2000-10-10 2001-10-10 Tandem batch feed and tandem batch collection apparatus for continuous pyrolysisof rubber and/or other hydrocarbon-based material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23845500P 2000-10-10 2000-10-10
US60/238,455 2000-10-10

Publications (1)

Publication Number Publication Date
WO2002031082A1 true WO2002031082A1 (fr) 2002-04-18

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PCT/US2001/031752 WO2002031082A1 (fr) 2000-10-10 2001-10-10 Appareil d'alimentation et de collecte discontinues en tandem pour pyrolyse continue du caoutchouc et/ou d'un autre materiau a base d'hydrocarbure -

Country Status (3)

Country Link
US (1) US20020070104A1 (fr)
AU (1) AU2002211623A1 (fr)
WO (1) WO2002031082A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184334A1 (fr) * 2008-10-31 2010-05-12 Peter Spörri Procédé et dispositif de recyclage de matériaux contenant de l'hydrocarbure
US8020499B2 (en) 2007-11-09 2011-09-20 Overseas Capital Assets Limited Apparatus and method for pyrolysis of scrap tyres and the like
WO2013187788A2 (fr) 2012-06-12 2013-12-19 DAGAS Sp. z.o.o. Procédé de pyrolyse de déchets de matière et/ou de caoutchouc et/ou organiques et installation de mise en œuvre de ce procédé
CN107663459A (zh) * 2016-07-29 2018-02-06 中冶宝钢技术服务有限公司 一种大型塔设备内填料更换方法及填料清运设备
IT202100033059A1 (it) 2021-12-30 2023-06-30 Versalis Spa Metodo per monitorare un parametro di controllo su un materiale sostanzialmente plastico, relativo apparato e processo di pirolisi che impiega detto metodo
IT202100033053A1 (it) 2021-12-30 2023-06-30 Versalis Spa Processo di pirolisi per la produzione di un olio di pirolisi adatto al riciclo a ciclo chiuso (“closed loop recycling”), relativo apparato, prodotto ed uso del medesimo
IT202100033044A1 (it) 2021-12-30 2023-06-30 Versalis Spa Procedimento per la pirolisi di materiale sostanzialmente plastico di composizione non costante, relativo reattore, apparato e prodotto ottenuto
US11999920B2 (en) 2021-09-10 2024-06-04 Ecolab Usa Inc. Cold flow additives for plastic-derived synthetic feedstock

Families Citing this family (6)

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US8192586B2 (en) * 2010-03-31 2012-06-05 Agilyx Corporation Devices, systems, and methods for recycling plastic
US7758729B1 (en) * 2006-08-24 2010-07-20 Plas2Fuel Corporation System for recycling plastics
US8193403B2 (en) 2006-08-24 2012-06-05 Agilyx Corporation Systems and methods for recycling plastic
US8628190B2 (en) * 2008-05-02 2014-01-14 Hewlett-Packard Development Company, L.P. Inkjet imaging methods, imaging methods and hard imaging devices
EP2981593B1 (fr) 2013-04-06 2021-03-24 Agilyx Corporation Procédé de conditionnement d'huile brute de synthèse
KR20230119654A (ko) 2020-12-10 2023-08-16 아질릭스 코포레이션 폐 플라스틱을 재활용하기 위한 시스템 및 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5389691A (en) * 1993-09-07 1995-02-14 Univ. Of Wyoming Process for co-recycling tires and oils
US5632863A (en) * 1994-11-22 1997-05-27 Meador; W. R. Battery pyrolysis process
US5720232A (en) * 1996-07-10 1998-02-24 Meador; William R. Method and apparatus for recovering constituents from discarded tires
US5894012A (en) * 1993-08-19 1999-04-13 Gilbert W. Denison Method and system for recovering marketable end products from waste rubber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894012A (en) * 1993-08-19 1999-04-13 Gilbert W. Denison Method and system for recovering marketable end products from waste rubber
US5389691A (en) * 1993-09-07 1995-02-14 Univ. Of Wyoming Process for co-recycling tires and oils
US5735948A (en) * 1993-09-07 1998-04-07 Univ. Of Wyoming Process for co-recycling tires and oils
US5632863A (en) * 1994-11-22 1997-05-27 Meador; W. R. Battery pyrolysis process
US5720232A (en) * 1996-07-10 1998-02-24 Meador; William R. Method and apparatus for recovering constituents from discarded tires

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8020499B2 (en) 2007-11-09 2011-09-20 Overseas Capital Assets Limited Apparatus and method for pyrolysis of scrap tyres and the like
EP2184334A1 (fr) * 2008-10-31 2010-05-12 Peter Spörri Procédé et dispositif de recyclage de matériaux contenant de l'hydrocarbure
WO2013187788A2 (fr) 2012-06-12 2013-12-19 DAGAS Sp. z.o.o. Procédé de pyrolyse de déchets de matière et/ou de caoutchouc et/ou organiques et installation de mise en œuvre de ce procédé
EP2679654A1 (fr) 2012-06-12 2014-01-01 DAGAS Sp. z o.o. Procédé de conduite d'un processus de pyrolyse de déchets de matières plastiques et/ou de caoutchouc et/ou organiques et installation pour la mise en oeuvre du procédé
CN107663459A (zh) * 2016-07-29 2018-02-06 中冶宝钢技术服务有限公司 一种大型塔设备内填料更换方法及填料清运设备
US11999920B2 (en) 2021-09-10 2024-06-04 Ecolab Usa Inc. Cold flow additives for plastic-derived synthetic feedstock
IT202100033059A1 (it) 2021-12-30 2023-06-30 Versalis Spa Metodo per monitorare un parametro di controllo su un materiale sostanzialmente plastico, relativo apparato e processo di pirolisi che impiega detto metodo
IT202100033053A1 (it) 2021-12-30 2023-06-30 Versalis Spa Processo di pirolisi per la produzione di un olio di pirolisi adatto al riciclo a ciclo chiuso (“closed loop recycling”), relativo apparato, prodotto ed uso del medesimo
IT202100033044A1 (it) 2021-12-30 2023-06-30 Versalis Spa Procedimento per la pirolisi di materiale sostanzialmente plastico di composizione non costante, relativo reattore, apparato e prodotto ottenuto

Also Published As

Publication number Publication date
AU2002211623A1 (en) 2002-04-22
US20020070104A1 (en) 2002-06-13

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