EP0724615A1 - Convoyeur de dechets - Google Patents

Convoyeur de dechets

Info

Publication number
EP0724615A1
EP0724615A1 EP94922841A EP94922841A EP0724615A1 EP 0724615 A1 EP0724615 A1 EP 0724615A1 EP 94922841 A EP94922841 A EP 94922841A EP 94922841 A EP94922841 A EP 94922841A EP 0724615 A1 EP0724615 A1 EP 0724615A1
Authority
EP
European Patent Office
Prior art keywords
housing
transport channel
transport
waste
conveyor
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.)
Granted
Application number
EP94922841A
Other languages
German (de)
English (en)
Other versions
EP0724615B1 (fr
Inventor
Karl May
Hartmut Herm
Karlheinz Unverzagt
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.)
Takuma Co Ltd
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0724615A1 publication Critical patent/EP0724615A1/fr
Application granted granted Critical
Publication of EP0724615B1 publication Critical patent/EP0724615B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C10B31/00—Charging devices
    • C10B31/06—Charging devices for charging horizontally
    • 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

Definitions

  • the invention relates to a transport device for waste, in which a waste feed shaft is connected to a transport channel, in the longitudinal direction of which a stuffing screw which can be driven by a motor is arranged, and in which the transport channel is housed in a housing. in particular opens into a pyrolysis reactor.
  • the transport device is used for thermal waste disposal, especially according to the smoldering method.
  • the pyrolysis reactor converts the waste which is fed in via a waste transport device of the type mentioned at the outset into carbonization gas and pyrolysis residue.
  • the carbonization gas and the pyrolysis residue are then suitably
  • a waste heat steam generator as cooling device, a dust filter system and a smoke gas cleaning system are installed in the flue gas line.
  • a gas compressor in the flue gas line, which is arranged directly at the outlet of the flue gas cleaning system and as a suction fan
  • the built-in gas compressor serves to maintain a vacuum, even if only slight, in the pyrolysis drum. Because of this negative pressure Prevents carbonization gas from escaping to the outside through the ring seals of the pyrolytic drum.
  • the object of the invention is accordingly to design a transport device for waste of the type mentioned at the outset in such a way that a blockage can be quickly removed. Furthermore, a method for inspecting the content of a transport channel for waste which opens into a housing is to be specified which can be carried out easily and quickly.
  • the object relating to the transport device is achieved according to the invention in that the unit consisting of the stuffing screw and the transport channel is detachably attached to the housing and can be removed from the housing by means of a driving device.
  • the stuffing screw is easily accessible, so that a fault can be remedied there quickly. If necessary, the stuffing screw can also be easily removed, so that a quick exchange is ensured. This is particularly important for repair work on the stuffing screw or for maintenance work.
  • a type of carriage or a carriage which can be moved on at least one rail can serve as the driving device is.
  • the movement can be carried out manually, but preferably mechanically.
  • the transport channel can be divided horizontally. When removed, one part of the transport channel can then be detached from the other part, for example on screw connections, so that the interior and thus the stuffing screw are easily accessible. Waste particles which, for example, have caused the stuffing screw to jam, can then be easily removed. And the transport channel can then be closed again and returned to its position in the housing by means of the driving device.
  • a method for inspecting the content of a waste transport channel is characterized according to the invention in that a) the transport channel is detached from the housing and moved away by means of a driving device, and b) the transport channel is opened.
  • Figure 1 is a transport device for waste as part of a smoldering plant in a longitudinal section
  • FIG. 2 shows a view in the direction II-II along the stuffing screw of FIG. 1.
  • a transport device 2 for waste A in which a waste feed shaft 4 via detachable Fastening means 6 is connected to a transport channel 8.
  • the transport channel> 8 is designed here as a stuffing screw trough. It has a round, but preferably a polygonal cross section.
  • the transport channel 8 opens into a housing 10, in the present case in a pyrolysis reactor. This is a smoldering drum rotating about its longitudinal axis, which is equipped with a larger number of heating tubes 12 parallel to the longitudinal axis.
  • a stuffing screw 14 which extends in the longitudinal direction thereof, is arranged in the interior of the transport channel 8, which is stationary during normal operation.
  • the shaft 16 of the stuffing screw 14 is driven by a motor 20 via a gear 18.
  • the waste feed shaft 4 is arranged laterally from the transport channel 8 at the end thereof.
  • the unit consisting of the stuffing screw 14 and the transport channel 8 is detachably attached to the housing 10.
  • Lockable ring seals 22 are used for this purpose, which are fastened on the one hand to the left end of a feed tube 24 which surrounds the transport channel 8 and on the other hand to a flange 26 on the transport channel 8.
  • the unit consisting of the stuffing screw 14 and the transport channel 8 is mounted on a chassis or a driving device 28.
  • This relatively heavy unit 14, 8 also includes the transmission 18 and the motor 20.
  • the driving device 28 is a type of carriage or a carriage that can be moved horizontally on rails 30. Two or more rails 30 can be provided.
  • the driving device 28 has at least three, but preferably four wheels 31.
  • the horizontal mobility is indicated by a double arrow 32.
  • the device 28 can be moved manually by an auxiliary device, but preferably by a machine (not shown).
  • the named unit 14, 8, 18, 20 can thus be removed from the housing 10 after the connection points 6, 22 have been released.
  • the transport channel 8 together with the stuffing screw 14 can be relatively easily spike and clean. Blockages can be removed in this way. Even when removed, the plug screw 14 can be easily replaced. It is important, however, that blocking waste parts can be quickly removed from the screw auger 14.
  • waste A in the rotating carbonization drum 10 is heated indirectly by heating gas h by means of the heating pipes 12.
  • This heating gas h is passed via a stationary heating gas inlet housing 40 into a hot heating gas chamber 42 inside the smoldering drum 10.
  • the parallel heating tubes 12 are attached at one end.
  • the other end is fixed in a tube sheet wall 46, which forms one wall of a cold heating gas chamber 48.
  • the heating gas h passes from this cold heating gas chamber 48 via an heating gas outlet housing 50 into an outlet.
  • ring seals 54, 56 are provided to seal the heating gas outlet housing 52 against the rotating tube.
  • Correspond- 40 ring seals 58, 60 are provided for sealing the heating gas inlet housing.
  • a discharge pipe 62 is guided from the interior of the smoldering drum 10, more precisely: from the tube sheet 44, into the interior of a fixed discharge device 64.
  • the carbonization material arriving in this discharge device 64 via the discharge tube 62 is divided here into carbonization gas s and residual material r.
  • the latter can be divided into different fractions and sorted out according to the smoldering method using a suitable device (not shown) before it is fed to a combustion in a (not shown) high-temperature combustion chamber.
  • a releasable ring seal 66 is arranged on the discharge device 64.
  • the rotation of the smoldering drum 10 about its longitudinal axis is brought about by motor drives 68 on the bearing rollers, which are arranged on bases 70.
  • the drives 68 work on races 72 which are arranged on the circumference of the smoldering drum 10.
  • the transport channel 8 is preferably n-shaped, n being a number greater than four. In the present example, an octagonal embodiment was chosen.
  • the stuffing screw housed in the transport channel 8 is again designated with 14.
  • the transport channel 8 is formed from an upper and a lower shell part 8a or 8b. The transport channel 8 is thus horizontally divided.
  • the two shell parts 8a, 8b are held together by screw fastenings 74 which are attached to longitudinal flanges. If necessary, these screw connections 74 are easily detachable. Then the upper shell part 8a can be lifted off slightly and the interior can be inspected.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Screw Conveyors (AREA)
  • Refuse Collection And Transfer (AREA)
  • Treatment Of Sludge (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Paper (AREA)
  • Structure Of Belt Conveyors (AREA)
EP94922841A 1993-08-17 1994-08-04 Convoyeur de dechets Expired - Lifetime EP0724615B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4327633 1993-08-17
DE4327633A DE4327633A1 (de) 1993-08-17 1993-08-17 Transporteinrichtung für Abfall
PCT/DE1994/000904 WO1995005430A1 (fr) 1993-08-17 1994-08-04 Convoyeur de dechets

Publications (2)

Publication Number Publication Date
EP0724615A1 true EP0724615A1 (fr) 1996-08-07
EP0724615B1 EP0724615B1 (fr) 1998-10-21

Family

ID=6495391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94922841A Expired - Lifetime EP0724615B1 (fr) 1993-08-17 1994-08-04 Convoyeur de dechets

Country Status (16)

Country Link
US (1) US5711235A (fr)
EP (1) EP0724615B1 (fr)
JP (1) JP2791984B2 (fr)
KR (1) KR100330653B1 (fr)
CN (1) CN1083874C (fr)
AT (1) ATE172485T1 (fr)
CA (1) CA2169644A1 (fr)
CZ (1) CZ39596A3 (fr)
DE (2) DE4327633A1 (fr)
DK (1) DK0724615T3 (fr)
ES (1) ES2123805T3 (fr)
HU (1) HU215353B (fr)
PL (1) PL179858B1 (fr)
RU (1) RU2129237C1 (fr)
SK (1) SK281855B6 (fr)
WO (1) WO1995005430A1 (fr)

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DE19617617C2 (de) * 1996-05-02 1998-11-12 Buck Chem Tech Werke Verfahren zur Entsorgung von Explosivstoff-Wirkmassen sowie Vorrichtung hierfür
JP4154029B2 (ja) * 1998-04-07 2008-09-24 株式会社東芝 廃棄物の処理方法および廃棄物処理装置
US6553924B2 (en) 1998-10-19 2003-04-29 Eco/Technologies, Llc Co-combustion of waste sludge in municipal waste combustors and other furnaces
US6279493B1 (en) * 1998-10-19 2001-08-28 Eco/Technologies, Llc Co-combustion of waste sludge in municipal waste combustors and other furnaces
AU8119801A (en) * 2000-08-10 2002-02-25 Rj Leegroup Inc Low energy method of pyrolysis of hydrocarbon materials such as rubber
US6835861B2 (en) 2000-08-10 2004-12-28 Rj Lee Group, Inc. Low energy method of pyrolysis of hydrocarbon materials such as rubber
EP1384948B1 (fr) 2002-07-23 2006-05-24 Norsk Inova AS Procédé et dispositif de traitement de déchets, en particulier de déchets humides dans un four de combustion
US8877992B2 (en) * 2003-03-28 2014-11-04 Ab-Cwt Llc Methods and apparatus for converting waste materials into fuels and other useful products
US8003833B2 (en) 2003-03-28 2011-08-23 Ab-Cwt, Llc Process for conversion of organic, waste, or low-value materials into useful products
US7692050B2 (en) 2003-03-28 2010-04-06 Ab-Cwt, Llc Apparatus and process for separation of organic materials from attached insoluble solids, and conversion into useful products
DE102004010407B4 (de) * 2004-03-01 2013-02-21 Kbi International Ltd. Reaktor zur thermischen Abfallbehandlung
DE102004016993B4 (de) * 2004-04-02 2014-11-06 Kbi International Ltd. Reaktor zur thermischen Abfallbehandlung mit einem Zuführkanal und Verfahren zur thermischen Abfallbehandlung
GB0514282D0 (en) * 2005-07-12 2005-08-17 Item Wales Ltd Pyrolysis system
TW200732467A (en) * 2005-09-28 2007-09-01 Cwt Llc Ab Process for conversion of organic, waste, or low-value materials into useful products
DK2102458T3 (en) * 2006-12-22 2016-11-14 Covanta Energy Llc Dynamic control of selective non-catalytic reduction system for semibatch-fed stoker-based urban waste incineration
US20100012006A1 (en) * 2008-07-15 2010-01-21 Covanta Energy Corporation System and method for gasification-combustion process using post combustor
US8707875B2 (en) * 2009-05-18 2014-04-29 Covanta Energy Corporation Gasification combustion system
US20100065411A1 (en) * 2008-09-17 2010-03-18 Jianguo Li Revolving waste plastic-oil converting equipment and method of using the same
US8317980B2 (en) * 2008-09-17 2012-11-27 Nantong Tianyi Environment And Energy Technology Limited Corporation Reactor for converting waste materials into fuel, a feeding system for feeding waste materials into the reactor, and methods for converting waste materials into fuel
US20100294179A1 (en) * 2009-05-18 2010-11-25 Covanta Energy Corporation Gasification combustion system
US8701573B2 (en) * 2009-05-18 2014-04-22 Convanta Energy Corporation Gasification combustion system
WO2011052495A1 (fr) * 2009-10-29 2011-05-05 月島機械株式会社 Appareil de traitement thermique rotatif
PL227338B1 (pl) 2013-07-12 2017-11-30 Fluid Spółka Akcyjna Sposób przetwarzania biomas w paliwo odnawialne i urzadzenie do przetwarzania biomas w paliwo odnawialne
CN105062520B (zh) * 2015-07-23 2017-09-22 安徽理工大学 稻壳干馏炉下料装置
CN105505410B (zh) * 2015-11-30 2018-09-04 华电重工股份有限公司 一种回转干馏炉给料装置及其给料方法
US10280377B1 (en) * 2016-03-24 2019-05-07 Helge Carl Nestler Pyrolysis and steam cracking system
CN105927983A (zh) * 2016-06-28 2016-09-07 成和环保科技股份有限公司 螺旋推进式固体废弃物连续碳化设备及连续碳化方法
CN109059014A (zh) * 2018-06-21 2018-12-21 郑州源冉生物技术有限公司 一种生物质焚烧装置
RU2700862C1 (ru) * 2019-03-26 2019-09-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Способ утилизации полимерных компонентов коммунальных и промышленных отходов и устройство для его осуществления
RU2768555C2 (ru) * 2019-12-11 2022-03-24 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Способ экологичной утилизации полимерных отходов и устройство для его осуществления
CN111575030B (zh) * 2020-05-27 2021-05-11 焦彪彪 一种具有可承重密封结构的生物质热解卧式转炉
RU210178U1 (ru) * 2021-12-02 2022-03-31 Александр Михайлович Лихачев Камера пиролизной установки
CN115446086A (zh) * 2022-07-27 2022-12-09 南京中船绿洲环保有限公司 一种低温微负压热解试验装置

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Also Published As

Publication number Publication date
PL179858B1 (en) 2000-11-30
DE59407149D1 (de) 1998-11-26
DE4327633A1 (de) 1995-02-23
ATE172485T1 (de) 1998-11-15
CN1083874C (zh) 2002-05-01
JPH08510787A (ja) 1996-11-12
KR100330653B1 (ko) 2002-11-22
SK20096A3 (en) 1997-07-09
CZ39596A3 (en) 1996-06-12
CN1131432A (zh) 1996-09-18
US5711235A (en) 1998-01-27
SK281855B6 (sk) 2001-08-06
WO1995005430A1 (fr) 1995-02-23
CA2169644A1 (fr) 1995-02-23
HUT74786A (en) 1997-02-28
HU215353B (hu) 1998-12-28
PL312943A1 (en) 1996-05-27
ES2123805T3 (es) 1999-01-16
RU2129237C1 (ru) 1999-04-20
DK0724615T3 (da) 1999-07-12
HU9600353D0 (en) 1996-04-29
EP0724615B1 (fr) 1998-10-21
JP2791984B2 (ja) 1998-08-27

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