EP0035652A1 - Dispositif de pyrolyse de déchets - Google Patents

Dispositif de pyrolyse de déchets Download PDF

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Publication number
EP0035652A1
EP0035652A1 EP81100850A EP81100850A EP0035652A1 EP 0035652 A1 EP0035652 A1 EP 0035652A1 EP 81100850 A EP81100850 A EP 81100850A EP 81100850 A EP81100850 A EP 81100850A EP 0035652 A1 EP0035652 A1 EP 0035652A1
Authority
EP
European Patent Office
Prior art keywords
housing
rotary tube
tube
sealing
liquid
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.)
Withdrawn
Application number
EP81100850A
Other languages
German (de)
English (en)
Inventor
Friedrich Melchert
Manfred Kauertz
Heinz-Jürgen Scholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krupp Industrietechnik Werk Buckau Wolf
Original Assignee
Krupp Industrietechnik Werk Buckau Wolf
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 Krupp Industrietechnik Werk Buckau Wolf filed Critical Krupp Industrietechnik Werk Buckau Wolf
Publication of EP0035652A1 publication Critical patent/EP0035652A1/fr
Withdrawn legal-status Critical Current

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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
    • C10B1/00—Retorts
    • C10B1/10—Rotary retorts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/22—Rotary drums; Supports therefor
    • F27B7/24—Seals between rotary and stationary parts

Definitions

  • the invention relates to a device for the pyrolysis of waste in a rotating tube provided by means of races, which is sealed on the one hand by adusinfall housing and on the other hand by a good failure housing with a gas extraction unit and a material extraction device.
  • Such devices are used for the disposal of waste or other waste materials by pyrolysis. Such processes produce pyrolysis gases and solids that are used further. Pyrolysis gases are explosive and / or toxic, so that the pyrolysis system must be properly sealed. Such systems work at high operating temperatures either with negative pressure or with positive pressure within the rotary tube. This causes sealing problems at both ends of the rotary tube because it is difficult to seal the rotating rotary tube against the fixed inlet and outlet housings. In addition, the movements of the rotary tube must be stopped by the seals to catch. These movements are caused by deformations of the rotary tube (non-roundness), axial thermal expansion of the tube due to the high operating temperatures and the axial movement of the tube due to the pendulum movement by the drive. An inclined position or an inclination of the pipe must also be absorbed, in particular if the inclined position or the inclination is variable.
  • the invention has for its object to provide a compact seal between the rotating rotary tube and the fixed housing parts, so that the ingress of oxygen is prevented in vacuum and in the overpressure operation the escape of dusty pyrolysis gases is prevented.
  • the material failure housing is suspended in an oscillating manner and encloses the rotary tube in the failure area, a slip ring seal being provided between the error housing and the rotary tube and the failure housing having a sealing cup on the head side for the pyrolysis gas and a trigger device for the solids on the foot side.
  • the pendulum-mounted drop housing can follow the movements of the rotary tube, so that the slip ring seal can absorb these movements without force and without affecting a sealing closure.
  • the sealing cup ensures a perfect seal at the gas outlet of the swinging drop housing.
  • the rotary tube 1 is provided with races 2, which are supported on rollers 3 mounted in bearings 3a.
  • the rotary tube is sealed on the good side with a good housing 4 and on the good side with a good housing 5.
  • the drop housing is suspended in an oscillating manner.
  • a sealing cup 7 is provided on the head side, and the foot end of the drop housing 5 also engages in a liquid-filled trigger device 8.
  • the failure housing 5 consists of the end walls 9 and 10, the side walls 11 and 12, a top wall 13, a funnel 14 as a transition into the extraction device 8.
  • bearings 16 and 17 are provided on the side walls 11 and 12 in which rotatable Pendulums 2o and 21 are mounted, the opposite ends of which are supported in fixed fastenings 18 and 19.
  • the bearings 16 and 17 can also be designed as gimbal bearings.
  • the formation of the support ring 27 with the rings 28 and 29 represents a stable design which ent ent from the heat withstands standing loads at all times.
  • a screw connection can also be used. So that a tight connection between the sealing plate 24 and the sealing rings 25, 26 is guaranteed at all times, support arms 3o with angled parts 3oa are provided, at the ends of which pressure rollers 34 are provided. These ensure by means of a spring 31 that the sealing rings 25, 26 are constantly pressed against the sealing plate 24.
  • holes 32 can be provided within the sealing plate 24, pushed through the arms 3o and on a holder 33 of the housing 5 or the like are attached.
  • the attachment of the support arms 30 with the pressure rollers 34 can also be done in any other suitable form.
  • wear occurs at the contact points.
  • the sealing plate 24 is formed from a harder material than the sealing rings 25, 26, so that these are considered wearing parts and can be replaced if necessary.
  • the material pairing could be done the other way around, ie the sealing plate made of softer material and the sealing rings made of harder material.
  • the sealing rings 25, 26 are easier to replace, the first-mentioned proposal is more advantageous.
  • the top wall 13 of the trigger housing 5 has a trigger tube 38 which follows the oscillating movements of the housing 5.
  • this is provided on the upper side with an angled collar 37, the ends of which open into a U-shaped adjusting plate 35 which is filled with a liquid 36.
  • the lower end of the gas exhaust hood 40 is also provided with an angled collar 39 which on the one hand coaxially surrounds the collar 37 and also engages with its lower ends in the liquid 36 of the ring plate 35. This provides a secure closure with respect to the extractor hood 4o even when the housing 5 oscillates.
  • the chute 15 of the housing 5 is guided into a container 41 filled with liquid, the lower end of the chute 15 being below of the liquid level 42a of the liquid is sufficient.
  • an endless scraper belt 43 or the like which ends at its drop-out end 47 above the liquid level 42a.
  • the failure-side end of the scraper belt 43 is not shown.
  • solid substances also accumulate within the rotary tube, which also have to be discharged. This can result in both buoyant and non-buoyant solids. The non-swimming substances fall through the chute 15 to the scraper belt 43 and are discharged from there.
  • the liquid 42 ensures a perfect seal on the lower side of the housing 5. If floatable substances also accumulate, they would get stuck on the surface of the liquid within the inlet nozzle 15 and clog the inlet chute 15 after a certain time.
  • an obliquely arranged screw 44 is provided, which is arranged such that the drive 45 lies above the liquid level 42a and the opposite end 46 below the liquid level 42a. The heavier fabrics can be unhindered pass through the chute 15 onto the belt 43. The buoyant substances are captured by the screw 44 and guided to the screw end 46, where they float in the liquid outside the chute 15, reach the surface 42a and can be discharged from there.
  • the good sink housing 4 is provided at the end of the rotary tube 1 on the good sink side.
  • This essentially consists of a feed chute 49, which is connected to the pipe flange 48 of the rotary pipe 1 via a compensator 51, a stuffing box 55 and a sealing connection 50.
  • a flange 53 is provided for fastening the compensator 51, which flange is connected to a fastening ring 52 connected to the chute 49.
  • a torque support 54 is provided, which is connected to a stuffing box holder 57.
  • the stuffing box packings 56 which are held by a pressure ring 58, are located between the stuffing box holder 57 and the angular sealing connection 50.
  • the diameter of the rotary tube flange 48 is somewhat enlarged so that locking rollers 59 and 60 can be articulated on both sides, which are rotatably supported in a holder 61. These locking rollers form a connection to the gland seal 55 so that the packs 56 are not axially displaced on the nozzle 50.
  • Thermal expansion of the pipe affects not only in the axial direction, but also over the circumference of the pipe.
  • the races 2 are supported with their race foot 64 on t-shaped supports which consist of flat iron 63 and flat iron supports 62 arranged transversely thereto.
  • Thermal expansions of the rotary tube 1 have an effect in the circumferential direction between the supports 62, so that the top surfaces 65 of the races 2 constantly ensure a secure support on the support rollers 3. This ensures a smooth running of the rotary tube 1, so that on the other hand a perfect seal both on the material entry side as well as on the outlet side of the rotary tube 1 is guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Processing Of Solid Wastes (AREA)
EP81100850A 1980-03-07 1981-02-06 Dispositif de pyrolyse de déchets Withdrawn EP0035652A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803008741 DE3008741C2 (de) 1980-03-07 1980-03-07 Vorrichtung für die Pyrolyse von Müll
DE3008741 1980-03-07

Publications (1)

Publication Number Publication Date
EP0035652A1 true EP0035652A1 (fr) 1981-09-16

Family

ID=6096518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81100850A Withdrawn EP0035652A1 (fr) 1980-03-07 1981-02-06 Dispositif de pyrolyse de déchets

Country Status (3)

Country Link
EP (1) EP0035652A1 (fr)
DE (1) DE3008741C2 (fr)
DK (1) DK97981A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143310A (en) * 1983-07-11 1985-02-06 Gen Kinematics Corp Furnace ash air seal
EP0221335A1 (fr) * 1985-11-01 1987-05-13 Combustion Engineering, Inc. Dispositif d'étanchéité pour l'extrémité d'un four à tambour rotatif
EP0357939A2 (fr) * 1988-09-09 1990-03-14 VEBA OEL Technologie und Automatisierung GmbH Tambour rotatif
WO1992008087A1 (fr) * 1990-11-05 1992-05-14 Industriehansa Anlagenbau Gmbh Garniture etanche a anneau glissant pour tambours tubulaires rotatifs
US5119531A (en) * 1988-02-26 1992-06-09 Michel Berger System for joining by interengagement comprising interengaging elements formed by ridges with elastically deformable lips, in particular curvilinear
AT397861B (de) * 1990-09-04 1994-07-25 Ragailler Roland Mag Drehofen, insbesondere zur pyrolyse von abfallprodukten
EP0895720A1 (fr) * 1997-08-08 1999-02-10 Hauni Maschinenbau Aktiengesellschaft Dispositif d'étanchéité
CN105561861A (zh) * 2016-01-28 2016-05-11 江苏赛德力制药机械制造有限公司 一种混合机出料密封装置
WO2022186858A1 (fr) * 2021-03-05 2022-09-09 Debenedictis Jeremy J Craquage thermique de matières polymères organiques avec des systèmes de séparation gaz-liquide et liquide-solide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320767A1 (de) * 1983-06-09 1984-12-13 Elino Industrie-Ofenbau Carl Hanf GmbH + Co, 5160 Düren Dichtungseinrichtung fuer oefen
DE19623577C2 (de) * 1996-06-13 1998-04-30 Krc Umwelttechnik Gmbh Dichtung für Drehrohre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424868A1 (de) * 1973-06-09 1974-12-12 Kobe Steel Ltd Drehofen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098458A (en) * 1961-11-01 1963-07-23 Pan American Resources Inc Rotary refuse converter
GB1460931A (en) * 1973-12-24 1977-01-06 Fuji Kasui Eng Co Ltd Method for disposal of rubber waste
US4087334A (en) * 1976-10-04 1978-05-02 Dravo Corporation Seal arrangement for a rotary drum assembly
DE2944693A1 (de) * 1979-11-06 1981-05-14 Hölter, Ing.(grad.), Heinz, 4390 Gladbeck Muellpyrolyse-drehrohofen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424868A1 (de) * 1973-06-09 1974-12-12 Kobe Steel Ltd Drehofen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143310A (en) * 1983-07-11 1985-02-06 Gen Kinematics Corp Furnace ash air seal
EP0221335A1 (fr) * 1985-11-01 1987-05-13 Combustion Engineering, Inc. Dispositif d'étanchéité pour l'extrémité d'un four à tambour rotatif
US5119531A (en) * 1988-02-26 1992-06-09 Michel Berger System for joining by interengagement comprising interengaging elements formed by ridges with elastically deformable lips, in particular curvilinear
EP0357939A2 (fr) * 1988-09-09 1990-03-14 VEBA OEL Technologie und Automatisierung GmbH Tambour rotatif
EP0357939A3 (fr) * 1988-09-09 1991-01-09 VEBA OEL Technologie und Automatisierung GmbH Tambour rotatif
AT397861B (de) * 1990-09-04 1994-07-25 Ragailler Roland Mag Drehofen, insbesondere zur pyrolyse von abfallprodukten
WO1992008087A1 (fr) * 1990-11-05 1992-05-14 Industriehansa Anlagenbau Gmbh Garniture etanche a anneau glissant pour tambours tubulaires rotatifs
EP0895720A1 (fr) * 1997-08-08 1999-02-10 Hauni Maschinenbau Aktiengesellschaft Dispositif d'étanchéité
CN105561861A (zh) * 2016-01-28 2016-05-11 江苏赛德力制药机械制造有限公司 一种混合机出料密封装置
CN105561861B (zh) * 2016-01-28 2017-12-12 江苏赛德力制药机械制造有限公司 一种混合机出料密封装置
WO2022186858A1 (fr) * 2021-03-05 2022-09-09 Debenedictis Jeremy J Craquage thermique de matières polymères organiques avec des systèmes de séparation gaz-liquide et liquide-solide

Also Published As

Publication number Publication date
DE3008741A1 (de) 1981-09-17
DK97981A (da) 1981-09-08
DE3008741C2 (de) 1982-10-21

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT CH FR NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BUCKAU-WALTHER AKTIENGESELLSCHAFT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19820822

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MELCHERT, FRIEDRICH

Inventor name: SCHOLZ, HEINZ-JUERGEN

Inventor name: KAUERTZ, MANFRED