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SE510408C2 - Device for recycling car tires and other products of polymeric materials through oxygen-free pyrolysis in continuous continuous total process - Google Patents

Device for recycling car tires and other products of polymeric materials through oxygen-free pyrolysis in continuous continuous total process

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Publication number
SE510408C2
SE510408C2 SE9702972A SE9702972A SE510408C2 SE 510408 C2 SE510408 C2 SE 510408C2 SE 9702972 A SE9702972 A SE 9702972A SE 9702972 A SE9702972 A SE 9702972A SE 510408 C2 SE510408 C2 SE 510408C2
Authority
SE
Sweden
Prior art keywords
products
pyrolysis
furnace
continuous
oxygen
Prior art date
Application number
SE9702972A
Other languages
Swedish (sv)
Other versions
SE9702972D0 (en
SE9702972L (en
Inventor
Per-Ivar Nylander
Original Assignee
Ivar Nylander
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 Ivar Nylander filed Critical Ivar Nylander
Priority to SE9702972A priority Critical patent/SE510408C2/en
Publication of SE9702972D0 publication Critical patent/SE9702972D0/en
Priority to PCT/SE1998/001482 priority patent/WO1999008849A1/en
Publication of SE9702972L publication Critical patent/SE9702972L/en
Publication of SE510408C2 publication Critical patent/SE510408C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
    • C10B7/06—Coke ovens with mechanical conveying means for the raw material inside the oven with endless conveying devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/0496—Pyrolysing the materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/08—Transition metals
    • B29K2705/12—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
    • B29K2707/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Apparatus for recovery of old rubber tyres and other products of polymer materials through oxygen-free pyrolysis in a connected continuously operating system. As the pyrolysis process means exposing of hydro-carbonaceous materials temperatures up to about 900 degrees C and moreover involves strongly degreasing carbon black as one of the degrading products, it is necessary to emphasise the safety and environmental protection questions at the analysis and determination of the technical solutions and the overall functionality at all potential operation conditions for the complete apparatus. This has generally been taken care of by drying and preheating of the supported material by the oxygen-poor gases from the heating plant for the pyrolysis process, choice of safely functioning self-inerting locks at the in- and outlets of the slightly over-pressurised pyrolysis oven, directly connected crushing section for the carbon black residual with simultaneous separation of the steel armament and other solid end products and finally the integration of all co-operating elements to a tight standardised module also suited for modularised assemblies for increased capacities. Dispatch of all recovered products - Oil (about 40 weight.% of the supplied tyre quantity), Carbon black (45 %), Gas (10 %), further Steel armament and other remainders can easily be effectuated from separated hold-up storages at minimum manual action and environmental disturbances. The apparatus affords the flexibility to process whole tyres as well as cut and fragmented tyres and other products of polymer materials. The apparatus is controlled and supervised by a comprehensive computerised system and fabricated in standardised prefabricated modules for rational maintenance and international container based deliveries.

Description

40 45 50 510 408 2 Däcksframföringen i ugnen (6) sker med kedje-,skruv- eller banddrifl (6b) eller på annat lämpligt sätt efter vunna drifterfarenheter. Framföringshastigheten är reglerbar och automatiskt styrd för att tillförsäkra väl genomförd pyrolys av materialet före utslussningen. 40 45 50 510 408 2 The deck feed in the oven (6) is done with a chain, screw or belt drive fl (6b) or in another suitable way according to the operating experience gained. The feed speed is adjustable and automatically controlled to ensure well-executed pyrolysis of the material before exclusion.

Framföringen av däcken sker över ett centralrör (6c) uppvärmt av senare nämnda eller separat eldningsaggregat. Centralröret utgör ett komplement till ugnens omgivande uppvärrnnings- mantel(6d) för att uppnå största möjliga energitillförsel för pyrolysprocessen och även bästa fördelning av vänneeffekten till materialet i ugnen.Uppvärrnnings-manteln är utrustad med gas- och oljeeldningsaggregat. Dessutom har insticks- elpatroner (6e) placerats vid ugnens utloppsända för att tillförsäkra den slutliga spetstemperaturen kring 700-900 grader som eftersträvas för att få fullständig genombränning I pyrolys och bästa möjliga kvalitet för kolresten.The tires are conveyed via a central pipe (6c) heated by the latter or a separate heating unit. The central pipe forms a complement to the furnace's surrounding heating jacket (6d) to achieve the largest possible energy supply for the pyrolysis process and also the best distribution of the friend effect to the material in the furnace. The heating jacket is equipped with gas and oil heating units. In addition, plug-in cartridges (6e) have been placed at the outlet end of the furnace to ensure the final peak temperature around 700-900 degrees which is sought to obtain complete burn-through in pyrolysis and the best possible quality for the carbon residue.

Däckens uppehållstid i ugnen beräknas preliminärt till cirka en halvtimma, varvid gummit sönderdelas till 40 viktsprocent olja (liknande E01), 15 procent gas (metan och andra kolväten) och cirka 45 procent kol (kimrök). Därtill kommer stålannering och kordrester. l ugnens utsläppsända arrangeras en intem avstjälpningsanordning (6f) så att det nu förkolnade däcket faller ned på övre slussluckan (7a) till en utloppssluss (7) med funktion analog med inloppsändans sluss. Det förkolnade däcket faller efter slussen ned i en krosskammare (8) med krossverk varifrån det urkrossade kolpulvret faller ned i en kolsilo (9) med utmatningsanordning och armeringsstålet jämte cordrester glider ned i en box (10) arrangerad för successiva utslussningar.The residence time of the tires in the furnace is preliminarily estimated at about half an hour, with the rubber decomposing to 40% by weight of oil (similar to E01), 15 per cent gas (methane and other hydrocarbons) and about 45 per cent carbon (carbon black). In addition, steel annulus and cord remains. In the discharge end of the furnace, an internal discharge device (6f) is arranged so that the now charred tire falls down on the upper lock hatch (7a) to an outlet lock (7) with a function analogous to the inlet end lock. The charred tire falls after the lock into a crushing chamber (8) with crushing plant from where the crushed carbon powder falls into a carbon silo (9) with discharge device and the reinforcing steel and cord residue slides down into a box (10) arranged for successive locks.

Vid pyrolysen utvunnen olja och gas leds från ugnens bottenanslutning till underliggande olje och gastankar (11 resp 12) med anslutna behandlingssystem (11a resp 12a) för den behandling som erfordras, dels för användningsbehovet för pyrolysugnens uppvärmning, dels före avtransport till intressenter för sönderdelningsproduktemas återanvändning.During the pyrolysis, oil and gas recovered are led from the furnace's bottom connection to the underlying oil and gas tanks (11 and 12, respectively) with connected treatment systems (11a and 12a) for the treatment required, partly for the need for use of the pyrolysis furnace heating, and before transport to stakeholders for decomposition products.

För att under varierande driftförhållanden säkerställa att tidigare angivna övertryck (cirka 300 mm vp) upprätthålles i ugnen relativt slussama har ett känsligt system för tryckbalansering genom överpumpning till/från gasförrådet respektive insläpp av inertgas förutsetts. Dessutom finns nomienlig övertrycksavsäkring med säkerhetsventil (13).In order to ensure under varying operating conditions that previously stated overpressures (approx. 300 mm vp) are maintained in the furnace relative to the locks, a sensitive system for pressure balancing by overpumping to / from the gas supply and inlet gas inlet is provided. In addition, there is a nominal overpressure fuse with a safety valve (13).

Ugnens uppvännning avses ske med de utvunna energiproduktema gas och olja inom det undre temperaturområdet upp till 500-600 grader vilket bedömes representera den större delen av energibehovet, medan den avslutande spetsuppvännningen mot ugnens utloppsända upp till ca 700 - 800 grader avses ske med elpatroner.Vad beträffar materialvalet för ugnen fönrtses detta innebära att den spetsuppvärrnda delen av ugnen lämpligen bör utföras med keramisk inklädnad.The oven is intended to be heated with the extracted energy products gas and oil within the lower temperature range up to 500-600 degrees, which is judged to represent the greater part of the energy demand, while the final tip uptake towards the oven's outlet end up to about 700-800 degrees is intended to be done with immersion heaters. As far as the choice of material for the oven is concerned, this means that the tip-up part of the oven should suitably be made with ceramic cladding.

Detta gäller även för utsläppsslussen och därefter placerade delar utsatta för höga temperaturer i den mån de icke altemativt kan utföras med kylarrangemang.This also applies to the discharge lock and subsequently placed parts exposed to high temperatures to the extent that they can not alternatively be carried out with cooling arrangements.

De intema delar som primärt relaterar till pyrolysprocessen inerteras före uppstart med kvävgas under samtidig uppvännning och kontroll av bl.a tryckförhållanden och gaskvaliteteri anläggningens olika delar. Anläggningen utnrstas med ett omfattande datoriserat styr-och övervakningssystem liknande vad som tillämpas för petrokemiska processer.The internal parts that primarily relate to the pyrolysis process are inerted before start-up with nitrogen gas during simultaneous use and control of, among other things, pressure conditions and gas quality in the various parts of the plant. The plant is equipped with a comprehensive computerized control and monitoring system similar to that applied to petrochemical processes.

Bilagd ritning visar det principiella arrangemanget av anordningen vid axiell däcksframföring genom anordningen. Samma funktion kan arrangeras vid längsgående däcksplaceringyarvid två eller flera däck kan gå fram parallellt genom anordningen.Därvid ersättes centralröret(6c) lämpligen med två rör över varandra altemativt med elektriska instickselement mellan de parallellt framförda däcksradema som visas med snitt Al-Al. underst på bilagd ritning Vid kommande prototypprov avses båda altemativen provas och utvärderas mot varandra.Båda altemativen omfattas av patentkraven.Det sistnämnda altemativet innebär att den från däcken nedrinnande oljan inte förgasas mot centralröret i samma utsträckning som i det först beskrivna samt att altemativ processdrift av hela däck respektive styckat eller fragmenterat material ,vilket beskrivs i det följande avsnittet, bedömes kunna ske med minsta omställningsbehomettersom samma transportband i ugnen kan användas i samtliga fall. b) Styckade och fragmenterade gummidäck m.fl. avfallsprodukter av polymera material.The attached drawing shows the basic arrangement of the device during axial tire advancement through the device. The same function can be arranged at longitudinal tire placement where two or more tires can run parallel through the device. In this case, the central pipe (6c) is suitably replaced with two pipes one above the other alternatively with electrical inserts between the parallel rows of tires shown in sections Al-Al. at the bottom of the attached drawing For future prototype tests, both alternatives are intended to be tested and evaluated against each other. Both alternatives are covered by the patent claims. tires or cut or fragmented material, as described in the following section, is judged to be possible with the least adjustment, as the same conveyor belt in the oven can be used in all cases. b. Cut and fragmented rubber tires, etc... waste products of polymeric materials.

Anordningen kan även användas för dessa produktforrner principiellt enligt ovan lämnad beskrivning, dock att i huvudsak följande modifieringar erfordras: = 510 408 -förbehandlingen av avfallsprodukten samt transportanordningen fram till intagsslussen anpassas. -intagsslussen(5) placeras framför ugnen och kompletteras med en efterföljande buffertvolym med mataraggregat för kontinuerlig inmatning på ugnens transportbandDetta arrangemang har skisserats nederst på ritningen med beteckning Alt.2b. c) Datasammanställning/prel. 7-8 meter(upp till 4st ugnsmoduler förutses kunna seriekopplas) Längd på ugnsmoduLnetto Ugnstemperatur inlopp ca 400, utlopp ca 800 grader Celcius Kapacitet per modul 25-35 st heldäck(personbilsdäck)/tim= 200- 250 kg/tim Effektbehov -"- totalt 90-110 kw 3. Konkurerande nvrolvskoncept/Några referenser för iämförelse.The device can also be used for these product forms in principle as described above, however, that essentially the following modifications are required: = 510 408 - the pre-treatment of the waste product and the transport device up to the intake lock are adapted. The intake lock (5) is placed in front of the oven and supplemented with a subsequent buffer volume with feed units for continuous feeding on the oven conveyor belt. This arrangement has been outlined at the bottom of the drawing with the designation Alt.2b. c) Data compilation / prel. 7-8 meters (up to 4 oven modules are anticipated to be able to be connected in series) Length of oven moduleLnet Oven temperature inlet approx. 400, outlet approx. 800 degrees Celsius Capacity per module 25-35 full tires (passenger car tires) / hr = 200-250 kg / hr Power requirement - "- total 90-110 kw 3. Competitive nvrolv concept / Some references for comparison.

-Företaget AEA-Beven,Harwell,England marknadsför en pyrolysanordning för s.k. batchpyrolys,varvid däcksmaterialet först pyrolyseras i en förinerterad sluten gryta varefter följer en avsvalningsperiod innan grytan öppnas och man tillvaratar kol och stå|.Processen är således uppdelad med mellankommande manuella insatser -Företaget ECO-2 lncåEcological Economics,Florida,USA marknadsför en pyrolysanordning utförd som en kontinuerligt ändmatad roterande utifrån uppvärmd cylinder med kontinuerlig utmatning av sönderfallsproduktema i motsatta ändan.Det inmatade gummimaterialet är strimlat i förväg till relativt små bitar.-The company AEA-Beven, Harwell, England markets a pyrolysis device for so-called batch pyrolysis, in which the tire material is first pyrolysed in a pre-inert closed cauldron followed by a cooling period before the cauldron is opened and coal and standing are recovered. The process is thus divided into intervening manual operations -The company ECO-2 lncåEcological Economics, Florida, USA a continuously end-fed rotating externally heated cylinder with continuous discharge of the disintegration products at the opposite end. The fed rubber material is pre-shredded into relatively small pieces.

-Företaget Crossmac Recycling System AB,L:a EdeLSverige har patentsökt totalsystem för återvinning av använda gummidäck och annat polymert avfall genom pyrolys. Den centrala delen av systemet arbetar med i förväg strimlat eller på annat sätt fragmenterat material.-The company Crossmac Recycling System AB, L: a EdeLSverige has a patent-pending total system for recycling used rubber tires and other polymeric waste by pyrolysis. The central part of the system works with pre-shredded or otherwise fragmented material.

Claims (5)

10 15 20 25 30 35 40 45 510 408 4 PATENTKRAV10 15 20 25 30 35 40 45 510 408 4 PATENT CLAIMS 1. Anordning för återvinning av slitna bildäck och andra produkter av polymera material genom syrefri pyrolys i sammanhängande kontinuerlig totalprocess k ä n n e t e c k n a d a v en komplett utrustning för pyrolysbaserad nedbrytning av inmatat material till âteranvändbara sönderfallsprodukter utförd enligt följande: - inmatningsutrustning för däck och extemt fragmenterat material. - utmstning för frammatning av materialet till intagssluss till processugnen och samtidigt spolning, torkning samt förvärrnning och inertering av materialet i motström av de avgående heta och syrefattiga rökgasema från processugnens värrnepanna - intagssluss av flerstegstyp för inslussning till processugnen - processugn med omslutande och intemt förlagda värmeytor anslutna mot separerat värmesystem eldat med gas utvunnen ur pyrolysprocessen och även eldningsolja inom tempjntervallet ca 500-700 grader Celcius samt för temp upp till ca 900 grader vid ugnens utloppsända kombinerat med elelement för optimering av materialsönderdelningen i ugnen ,vidare avledning av sönderdelningsproduktema - olja och gasformiga kolväten- via kyl- och kondensationsarrangemang till uppehållstankar för utleveranser av olja och gas för återanvändning. - utförselsluss från processugnen till en krosskammare likartad intagsslussen för fasta restprodukter- kol( carbon black) samt stålarmering och vävrester(cord) - krosskammare med krossverk med uppvärmning för kompletterande pyrolysbehov av 'oförbräntf och därmed optimering av kolkvaliteten,vidare sållutmstning för separation av kolet från armering och cordrester till skilda imema boxar med kyl-och slussarrangemang för periodisk utleverans..Device for recycling worn car tires and other products of polymeric materials by oxygen-free pyrolysis in a continuous continuous total process characterized by a complete equipment for pyrolysis-based decomposition of input material to reusable decomposition products made as follows: - feed equipment for tires and extinction fragmented material. - equipment for feeding the material to the intake lock to the process furnace and at the same time flushing, drying and pre-heating and inerting of the material in countercurrent of the outgoing hot and oxygen-poor flue gases from the process furnace's boiler - against separated heating system fired with gas extracted from the pyrolysis process and also heating oil within the temperature range approx. 500-700 degrees Celsius and for temperatures up to approx. 900 degrees at the furnace outlet end combined with electrical elements for optimizing the material decomposition in the furnace, further diversion of decomposition products - oil and gaseous coal - via cooling and condensation arrangements to holding tanks for deliveries of oil and gas for reuse. - export lock from the process furnace to a crushing chamber similar to the intake lock for solid carbon residues (carbon black) and steel reinforcement and fabric residues (cord) - crushing chamber with crushing plant with heating for supplementary pyrolysis needs of 'unburned' and thus optimization of carbon quality, further sieve separation for carbon separation reinforcement and cord residues for various imema boxes with cooling and lock arrangements for periodic delivery .. 2. Anordning enligt patentkrav 1 k ä n n e t e c k n a d a v att flerstegsslussen före materialintaget till processugnen utföres med snabbmanövrerade spjäll med manövrering styrd av syrekontroll i undertryckshållen mellankammare med avsug för destnrktion av avsugsgasen i brännaren för processugnens värmesysten.Device according to claim 1, characterized in that the first step lock before the material intake to the process furnace is made with quick-acting dampers with operation controlled by oxygen control in a vacuum-maintained intermediate chamber with extraction for destruction of the exhaust gas in the burner for the process furnace heating system. 3.Anordning enligt patentkrav 1 k ä n n e t e c k n a d a v att balanseringen av övertrycketi processugnen åstad kommes genom att avledningsröret för sönderdelningsproduktema-gas och olja- mynnar under den konstanthållna oljenivån(s.k. tystkokararrangemang) i underliggande primära uppehållstank, vidare att kylning sker av oljan i denna tank, vilket tillförsäkrar en primär kondensationseffekt för de avgående heta gasformiga kolvätena och även tillskapande av önskat övertryck i processugnen relativt intags-och utsläpps-slussama3. Device according to claim 1, characterized in that the balancing of the overpressure in the process furnace is achieved by the discharge pipe for the decomposition products gas and oil mouths below the constant oil level (so-called silent cooker arrangement) in the underlying primary holding tank, further in this tank cooling of the oil. which ensures a primary condensation effect for the effluent gaseous hydrocarbons and also the creation of the desired overpressure in the process furnace relative to the intake and discharge locks 4. Anordning enligt patentkrav 1 k ä n n e t e c k n a d a v att för hantering av fragmenterat exlemt tillfört material intagsslussen placeras framför ugnen och kompletteras med en buffertvolym med mataraggregat (t.ex. skruvmatare) för kontinuerlig materialinmatning på ugnens transportband.Device according to claim 1, characterized in that for handling fragmented externally supplied material, the intake lock is placed in front of the furnace and supplemented with a buffer volume with feed units (eg screw feeders) for continuous material feeding on the furnace conveyor belt. 5. .Anordning enligt patentkrav 1 k ä n n e te c k n a d a v att anordningen mot högt ställda krav på säkerhets-och miljöegen- skaper samt även av därav förknippade ekonomiska skäl utföres och levereras som standardiserad och injusterad komplett modul för kontinueriig automatiserad och datorövervakad drift med periodisk utleverans av utvunna produkteri 'rått tillstånd'Device according to Claim 1, characterized in that the device is designed and delivered as a standardized and adjusted complete module for continuous automated and computer-monitored operation with periodic delivery, subject to high requirements for safety and environmental properties and also for related economic reasons. of recovered products in 'raw state'
SE9702972A 1997-08-19 1997-08-19 Device for recycling car tires and other products of polymeric materials through oxygen-free pyrolysis in continuous continuous total process SE510408C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9702972A SE510408C2 (en) 1997-08-19 1997-08-19 Device for recycling car tires and other products of polymeric materials through oxygen-free pyrolysis in continuous continuous total process
PCT/SE1998/001482 WO1999008849A1 (en) 1997-08-19 1998-08-17 Apparatus for recycling of old rubber tyres and other products of polymer materials through oxygen-free pyrolysis in a connected continuously operating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702972A SE510408C2 (en) 1997-08-19 1997-08-19 Device for recycling car tires and other products of polymeric materials through oxygen-free pyrolysis in continuous continuous total process

Publications (3)

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SE9702972D0 SE9702972D0 (en) 1997-08-19
SE9702972L SE9702972L (en) 1999-02-20
SE510408C2 true SE510408C2 (en) 1999-05-17

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WO (1) WO1999008849A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003047778A1 (en) * 2001-12-06 2003-06-12 Bcde Group Waste Management Ltd Oy Method and equipment for pre-treatment of used tyres before a pyrolysis process

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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ES2170687B1 (en) * 2000-07-27 2003-12-16 Quimica Plus S L DECOMPOSITION PROCEDURE BY VEHICLE TIRE PIROLISIS.
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