EP0565954A1 - Dispositif de carbonisation - Google Patents

Dispositif de carbonisation Download PDF

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Publication number
EP0565954A1
EP0565954A1 EP93105354A EP93105354A EP0565954A1 EP 0565954 A1 EP0565954 A1 EP 0565954A1 EP 93105354 A EP93105354 A EP 93105354A EP 93105354 A EP93105354 A EP 93105354A EP 0565954 A1 EP0565954 A1 EP 0565954A1
Authority
EP
European Patent Office
Prior art keywords
smoldering
drum
driver
residue
tear
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
EP93105354A
Other languages
German (de)
English (en)
Other versions
EP0565954B1 (fr
Inventor
Herbert Dr. Tratz
Karl May
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.)
Siemens AG
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
Priority claimed from DE4212377A external-priority patent/DE4212377A1/de
Priority claimed from DE4212376A external-priority patent/DE4212376A1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0565954A1 publication Critical patent/EP0565954A1/fr
Application granted granted Critical
Publication of EP0565954B1 publication Critical patent/EP0565954B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • the invention relates on the one hand to a smoldering device for smoldering metal parts, in particular waste materials containing metal wires or metal strips, with a waste material discharge pipe which can be rotated about its longitudinal axis and has a discharge opening for smoldering waste material on the end face.
  • the invention relates to a smoldering device for smoldering goods containing metal parts, in particular waste materials containing metal wires or metal strips, with a smoldering drum which is rotatable about its longitudinal axis.
  • the residue discharge pipe can be part or a section of the smoldering drum or can be a component that is connected to the smoldering drum.
  • a smoldering device for smoldering waste materials is known from German Auslegeschrift 27 13 031. Waste is fed into a heated carbonization drum that can be rotated about its longitudinal axis. In the carbonization drum, the waste materials are carbonized into carbonization gas and solid carbonization residue. Smoldering gas and smoldering residue come out of the smoldering drum via a residue discharge pipe that is firmly connected to the smoldering drum and rotates with the smoldering drum. From there, the carbonization gas flows into a carbonization gas line, and the solid carbonization residue falls downwards into a discharge device. This can be followed by a transport system and / or a sorting device.
  • Metal wires or metal strips can be contained in the waste materials to be smoldered. Spirals, springs and similar metal parts can also be found in the waste. Such Metal parts come from steel belt tires, Bowden cables, cables, plastic composite materials or electrical devices, for example. After the waste materials have been introduced into the smoldering drum, the metal parts mentioned are exposed during the charring. This is due to the fact that at the temperatures of approx. 400 ° C to 700 ° C in a smoldering drum, most of the organic substances with which the metal parts are bonded are charred. Metal is not destroyed at the temperatures mentioned. The metal parts freed from plastic or rubber by the smoldering process are matted together by the rotating movement of the smoldering drum.
  • a strand of vault is formed which can extend over the entire length of the smoldering drum.
  • the diameter of this strand of vault can be approximately 20 to 30 cm.
  • Some metal parts in particular steel carcasses made of steel belt tires and Bowden cables, are so stable that the resulting strand of vault does not break off even up to the discharge opening of the smoldering drum.
  • the vault strand then moves endlessly out of the smoldering drum and reaches the discharge device for smoldering residue. This can block the discharge device.
  • the discharge of the remaining smoldering residue is hindered. If a transport and sorting device is connected to the residual material discharge device, there is a risk that the operation of these devices is prevented by the vault. Then the entire smoldering device would be shut down.
  • the invention was based on the object of specifying a smoldering device of the type mentioned at the outset, in which it is impossible for a bulge formed from metal parts to hinder or even prevent the discharge of smoldering residue and / or the subsequent transport and sorting of smoldering residue.
  • the object is achieved on the one hand in that at least one preferably rod-shaped driver is arranged in the region of the discharge opening, which is rotatable with the waste material discharge pipe.
  • the vaulted string moves at the lowest point of the smoldering drum and the waste material discharge pipe.
  • the vault line remains on the carrier and is raised in the waste material discharge pipe.
  • the driver has reached the highest point in the waste material discharge pipe, the vault falls again. This mechanical stress loosens and dissolves the vaulted strand so that only a few pieces of vault leave the waste material discharge pipe. These pieces are so small that they cannot hinder the further discharge of the solid residue and, if necessary, the sorting of the solid residue.
  • a rod which cannot be rotated with the residue discharge tube is arranged below the residue discharge tube in the axial direction beyond the end of the residue discharge tube at which the discharge opening is located.
  • a rod of vault, which moves downward from the discharge opening, is initially held by the rod. Then when the vault line is then lifted by the driver, the piece of vault between driver and rod is stretched and torn in the process.
  • a tear-off device with a tear-off edge directed downward is arranged, which cannot be rotated with the waste material discharge pipe.
  • the vaulted string is lifted by the carrier, it is pressed against the tear-off edge and thereby torn off. Because the tear-off edge is directed downward, the torn-off parts of the vault immediately fall down and reach the discharge device.
  • the combination of driver and tear-off device can be used to break up a mechanically particularly stable vault.
  • a combination of driver, rod and tear-off device is also possible.
  • the driver can be arranged standing in the residue discharge tube on its inner surface. It can also be arranged on the waste material discharge pipe projecting beyond its discharge opening. With both embodiments, the vault string is raised. There may also be a plurality of preferably rod-shaped drivers arranged on the circumference of the residue discharge tube.
  • the driver can also be arranged inclined at an angle in the direction of rotation of the residue discharge tube. This ensures particularly well that the vault strand is carried along by the driver. In particular, in the case of a combination of a driver and a tear-off device, it is ensured that the vault strand hits the tear-off edge of the tear-off device because it is pressed against the wall of the waste material discharge pipe by the inclined driver.
  • the rod which does not rotate with the waste material discharge pipe, is arranged, for example, inclined downwards at an angle to the horizontal. As a result, torn pieces of vault always slide off the rod. No pieces of vault can get caught on the stick.
  • the tear-off device has, for example, the shape of a pair of scissors open at the bottom. This has the advantage that the vaulted string raised by the driver cannot slide past the tear-off device. Rather, it gets into the opening of the scissors from where it cannot move to the side; it is torn down.
  • the scissors can have an adjustable opening angle.
  • the opening angle can be set so that, with a variable diameter of the vault line, it is always optimally received by the scissors.
  • the tear-off device is, for example, curved away from the discharge opening in the direction of the longitudinal axis of the residue discharge pipe. This allows the vault string to be inserted well.
  • the tear-off device is arranged to be movable in the direction of the longitudinal axis of the waste material discharge pipe.
  • the tear-off device can be designed as a pendulum. It can be connected in a pendulum-like manner above the discharge opening via a pendulum arm to a fixed system part. This has the advantage that the tear-off device, even if tube movements occur in the axial direction, is always arranged directly at the discharge opening. This ensures that the vault strand can always be fed to the tear-off device.
  • the advantage is achieved that a strand of vault formed during the charring of non-swellable material, in particular from metal wires and other metal waste, the discharge and sorting system for smoldering residues cannot hinder or even block.
  • the object is achieved according to the invention on the other hand in that at least one driver for an arch formed from the metal parts is arranged on the smoldering drum and that the at least one driver is rotatable with the smoldering drum.
  • the at least one driver protrudes into the interior of the smoldering drum.
  • the vaulted string moves at the lowest point of the smoldering drum. If a carrier hits the vaulted string, it sticks to the carrier and is raised in the smoldering drum. Due to the dead weight of the vault line, pieces of vault are torn out with the driver. The vault strand dissolves. Only a few pieces of pebbles leave the smoldering drum. These pieces are so small that they cannot hinder the further discharge of the solid residue and, if necessary, the sorting of the solid residue.
  • the driver (s) is / are, for example, hook-shaped. This allows the vault line to be lifted well by the driver.
  • the hook is curved so that it points upwards on the ascending side of the rotating smoldering drum.
  • the at least one driver is arranged, for example, in the hot area of the smoldering drum. It can also be arranged in another area of the smoldering drum.
  • the hot area is located in a smoldering drum immediately before the smoldering gas and residue are released.
  • the arrangement of the driver in the hot area advantageously results in a mechanical separation of the vault strand where the vault strand is already impaired in its material strength by the high temperature.
  • the at least one driver is attached to the inner surface of the carbonization drum.
  • the at least one driver can also be fastened to the inner surface of the carbonization drum via a holding device.
  • the holding device can be so long that the driver is arranged in an inner space of the carbonization drum that is free of internals.
  • a smoldering drum can contain internals that are located on the inner surface. Even if gaps remain between these internals, a vault string will not form on these internals, but in the direction of the center of the smoldering drum. It is therefore advantageous if the driver is arranged directly above the internals instead of on the inner surface of the carbonization drum. The driver can be held in this position via the holding device.
  • At least one additional driver can be arranged on the flank of the holding device.
  • the vaulted strand is gripped even better by drivers staggered one behind the other on a holding device.
  • the holding device can be a web, for example. This web can be connected directly to the smoldering drum or to a device permanently installed in the smoldering drum.
  • the holding device can also be a support bracket for heating pipes or for another built-in part, which is already present in the smoldering drum.
  • the heating pipes run on the inner surface of the smoldering drum and serve to heat the smoldering drum.
  • the holding device can be a web connected to a support console, that is to say a combination of support console and web.
  • the at least one driver can also be attached to a heating pipe permanently installed in the carbonization drum or to another built-in part. It makes sense to choose one of the inner heating pipes so that the driver always protrudes into the space in the smoldering drum that is free of built-in components.
  • the aforementioned positioning of the at least one driver ensures that the vaulted strand always hits the driver.
  • the drivers are arranged in alignment in the direction of the axis of rotation of the carbonization drum. You then lift the entire arch of vault at the same time.
  • the drivers are arranged in the direction of the axis of rotation and distributed over the inner circumference of the carbonization drum.
  • a strand of vault can be raised at different positions at different times. This results in one between two adjacent drivers Elongation of the vault line, which increases the mechanical stress on the vault line and facilitates tearing of the vault line.
  • the drivers are arranged in a spiral distribution as viewed in the direction of the axis of rotation of the smoldering drum.
  • the vault strand is raised evenly during one revolution.
  • the advantage is achieved that a vault strand formed during the charring of non-swellable material, in particular from metal wires and other metal waste, a discharge device and a sorting device for Can not hinder or even block smoldering residues.
  • a waste material discharge pipe 1 is part of a smoldering device which is known, for example, from German specification 27 13 031.
  • the residue discharge tube 1 can be firmly connected to a carbonization drum 11 and can rotate together with this carbonization drum 11 about its longitudinal axis.
  • the waste material discharge pipe 1 can also be part of the smoldering drum 11.
  • Carbonization gas and solid carbonization residue are discharged through the residue discharge pipe 1. They come into a residue housing 2, which is arranged in a fixed manner and into which the residue discharge pipe 1 opens. The smoldering gas rises while the solid smoldering residue falls down. In the drawing, only one wall of the residue housing 2 is shown.
  • a vault strand 4 of metal wires and other metal parts can form, which can clog the waste material housing 2 and downstream plant parts.
  • a plate-shaped, preferably a rod-shaped driver 3a is arranged radially in the interior of the discharge tube 1 in the area of the discharge opening 1a.
  • the driver 3a is arranged in the residue discharge tube 1 standing on its inner surface. With the rotational frequency of the residual material discharge pipe 1, the driver 3a lifts the arch strand 4. As a result, the vault strand 4 can be broken down into individual pieces.
  • a support or rod 5a is arranged below the residue discharge tube 1 on the stationary residue housing 2 for support. This protrudes in the axial direction beyond the end of the residue discharge tube 1, at which the discharge opening 1a is located.
  • the vault strand 4 is e.g. held by the rod 5a and then raised by the driver 3a. As a result, the strand piece between these two components is torn.
  • a plate-shaped or, preferably, a rod-shaped driver 3b is arranged on the residue discharge pipe 1 projecting beyond its discharge opening 1a.
  • a rod 5b is arranged at an angle to the horizontal inclined downward on the fixed waste material housing 2.
  • the vault strand 4 is raised by the driver 3b.
  • the vault strand 4 can be torn between the driver 3b and the rod 5b. Since the rod 5b is inclined downwards at an angle to the horizontal, separated pieces of the vault strand 4 immediately slide off the rod 5b and fall down.
  • a non-inclined driver can also be used, which is similar to the drivers 3a or 3b, but is inclined at an angle to the surface line of the waste material discharge pipe 1 in the direction of rotation.
  • any other combination of one of the drivers mentioned, e.g. the driver 3a or 3b, and a rod 5a or 5b can be used.
  • a tear-off device 6 with a downwardly directed cutting edge or tear-off edge 7 is arranged in the region of the discharge opening 1 a in the region of the ascending (left) side of the residue discharge tube 1 before the end of the residue discharge tube 1.
  • the tear-off device 6 cannot be rotated with the residue discharge tube 1.
  • the tear-off device 6 is fastened, for example, to the residue housing 2, which is only partially shown.
  • a plate-shaped or preferably rod-shaped driver 3c is arranged in the waste material discharge pipe 1 standing on its inner surface and inclined at an angle in the direction of rotation of the waste material discharge pipe 1. The direction of rotation is indicated by an arrow.
  • a vault strand 4 is gripped by the driver 3c when the residue discharge pipe 1 rotates, fed to the tear-off device 6 and severed at the tear-off edge 7. This process is repeated with the frequency of the rotational movement of the residue discharge tube 1.
  • a radially arranged driver 3a (FIG. 1) or a driver 3b (FIG. 2) arranged in the longitudinal direction of the residue discharge tube 1 can also be used, provided that this is only sufficient the discharge opening 1a protrudes that it does not touch the tear-off device 6 during the rotational movement of the residue discharge pipe 1.
  • the tear-off device 6 can be in the form of a pair of scissors open at the bottom. This ensures that the arch strand 4 cannot slip off the tear-off edge 7.
  • the opening angle of the scissor-like tear-off device 6 can be adjustable. This is the Tear-off device 6 constructed from two legs which are connected to one another via a swivel joint 8.
  • the adjustable tear-off device 6 can be adapted to the diameter of the arch strand 4.
  • a tear-off device 6 is connected to the waste material housing 2 via a pendulum arm 9.
  • the fulcrum 10 of the pendulum is positioned so that the tear-off device 6, which can be curved, is always in contact with the end face of the waste material discharge tube 1.
  • the fulcrum 10 is located above the discharge opening 1a of the residue discharge tube 1. With a straight tear-off device, the fulcrum 10 is located on the left above the discharge opening 1a.
  • the pivot point 10 can be located slightly to the right above the discharge opening 1a. This ensures that the tear-off device 6 always rests with a certain force on the end face of the waste material discharge pipe 1.
  • a pipe movement in the axial direction to the left should not be expected.
  • the pendulum which consists of the pendulum arm 9 and the tear-off device 6, is deflected to the right.
  • the tear-off device 6 is always in contact with the expected expansions of the waste material discharge pipe 1 on the end face of the waste material discharge pipe 1.
  • an arch section 4 at the outlet of the waste material discharge pipe 1 can be divided into individual, relatively small pieces. Hence the further treatment of the solid residue is not affected.
  • a plurality of drivers 23a for the arch strand 22 are arranged in the smoldering drum 21 itself. These are connected to the inner surface of the carbonization drum 21 via straight webs 24. The webs 24 are necessary so that the drivers 23a are located in the interior of the carbonization drum 21 without any built-in components. Internals in the smoldering drum 21 can be heating pipes 25. A plurality of drivers 23b can also be fastened directly to the heating tubes 25 if it is ensured that the drivers 23b protrude into the interior of the carbonization drum 21 which is free of fittings. The drivers 23a, 23b are - if they are in the ascending part of the carbonization drum 21 - bent upward like a hook. The direction of rotation of the smoldering drum 21 is illustrated by an arrow.
  • a driver 23c is arranged on the section of a support bracket 26 that is closest to the center of the carbonization drum 21.
  • the support bracket 26 carries a plurality of heating tubes 25.
  • a driver 23d can also be arranged on a web 24a, which is arranged supported on a support bracket 26.
  • At least one additional driver 23e can also be arranged on the flank of the support bracket 26 or another holding device. As a result, the vault strand 22 can be detected even better.
  • the drivers 23a-d, 23f are always located in the interior of the smoldering drum 21 without any fittings.
  • the internals can be heating pipes 25, support brackets 26 or other devices arranged in the carbonization drum 21.
  • the holding device for a driver 23a-e can be a holding device 24 or 24a specially designed for this purpose.
  • existing fixtures such as the support brackets 26 or other suitable fixtures can also serve as holding devices.
  • Each hook-shaped driver 23a-f is bent such that it is curved upwards on the ascending side when the smoldering drum 21 is rotating. As a result, it optimally engages in the arch strand 22, lifts it and lets it fall down from the highest point of the smoldering drum 21.
  • the vault strand 22 is torn apart by the mechanical stress.
  • the drivers 23a-23f can therefore also be referred to as a tearing device.
  • an arch of strands 22 in the smoldering drum 21 can be divided into individual pieces which cannot impair the further treatment of the solid residue.
EP93105354A 1992-04-13 1993-03-31 Dispositif de carbonisation Expired - Lifetime EP0565954B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4212376 1992-04-13
DE4212377A DE4212377A1 (de) 1992-04-13 1992-04-13 Schwelvorrichtung
DE4212376A DE4212376A1 (de) 1992-04-13 1992-04-13 Schwelvorrichtung
DE4212377 1992-04-13

Publications (2)

Publication Number Publication Date
EP0565954A1 true EP0565954A1 (fr) 1993-10-20
EP0565954B1 EP0565954B1 (fr) 1997-09-03

Family

ID=25913930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105354A Expired - Lifetime EP0565954B1 (fr) 1992-04-13 1993-03-31 Dispositif de carbonisation

Country Status (13)

Country Link
US (1) US5409577A (fr)
EP (1) EP0565954B1 (fr)
JP (1) JPH0641536A (fr)
AT (1) ATE157695T1 (fr)
CA (1) CA2093769A1 (fr)
CZ (1) CZ58293A3 (fr)
DE (1) DE59307232D1 (fr)
DK (1) DK0565954T3 (fr)
ES (1) ES2106215T3 (fr)
HU (1) HU211819B (fr)
PL (1) PL174354B1 (fr)
RU (1) RU2094492C1 (fr)
SK (1) SK31193A3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995006697A1 (fr) * 1993-09-03 1995-03-09 Siemens Aktiengesellschaft Chambre de chauffe rotative a faisceaux tubulaires interieurs pour combustion d'ordures
WO1995006698A1 (fr) * 1993-09-03 1995-03-09 Siemens Aktiengesellschaft Chambre de chauffe rotative pour produits solides
GB2274908B (en) * 1992-12-02 1996-08-14 Pyrotech Disposal of waste material
WO1999061547A1 (fr) * 1998-05-22 1999-12-02 Siemens Aktiengesellschaft Installation de traitement de matiere residuelle provenant d'une installation thermique d'elimination des dechets
WO2008149145A2 (fr) * 2007-06-05 2008-12-11 London Environmental Research Centre Ltd Incinérateur, tel qu'un incinérateur de déchets municipaux

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EP1466867B1 (fr) 2003-03-27 2007-11-28 Nissan Chemical Industries Ltd. Sol de pentoxyde d'antimoine et méthode de préparation
JP2010117113A (ja) * 2008-11-14 2010-05-27 Takuma Co Ltd 回転ドラム

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DE2713031A1 (de) * 1977-03-24 1978-10-05 Karl Dipl Ing Kiener Schweltrommel fuer abfallstoffe
EP0086488A2 (fr) * 1982-02-16 1983-08-24 Deutsche Kommunal-Anlagen Miete GmbH Dispositif de déchargement pour four à tambour rotatif

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2274908B (en) * 1992-12-02 1996-08-14 Pyrotech Disposal of waste material
WO1995006697A1 (fr) * 1993-09-03 1995-03-09 Siemens Aktiengesellschaft Chambre de chauffe rotative a faisceaux tubulaires interieurs pour combustion d'ordures
WO1995006698A1 (fr) * 1993-09-03 1995-03-09 Siemens Aktiengesellschaft Chambre de chauffe rotative pour produits solides
US5688117A (en) * 1993-09-03 1997-11-18 Siemens Aktiengesellschaft Rotatable heating chamber with internal tubes for waste
US5716205A (en) * 1993-09-03 1998-02-10 Siemens Aktiengesellschaft Rotatable heating chamber for solid material
WO1999061547A1 (fr) * 1998-05-22 1999-12-02 Siemens Aktiengesellschaft Installation de traitement de matiere residuelle provenant d'une installation thermique d'elimination des dechets
CN1133715C (zh) * 1998-05-22 2004-01-07 西门子公司 处理来自垃圾加热处置设备的剩余物料的设备
MY119662A (en) * 1998-05-22 2005-06-30 Siemens Ag Installation and method for preparing remaining material from a thermal waste disposal facility
WO2008149145A2 (fr) * 2007-06-05 2008-12-11 London Environmental Research Centre Ltd Incinérateur, tel qu'un incinérateur de déchets municipaux
WO2008149145A3 (fr) * 2007-06-05 2010-03-11 Empower International Ltd. Incinérateur, tel qu'un incinérateur de déchets municipaux

Also Published As

Publication number Publication date
PL298421A1 (en) 1993-11-29
ATE157695T1 (de) 1997-09-15
CA2093769A1 (fr) 1993-10-14
RU2094492C1 (ru) 1997-10-27
EP0565954B1 (fr) 1997-09-03
HU9301036D0 (en) 1993-06-28
US5409577A (en) 1995-04-25
SK31193A3 (en) 1994-02-02
CZ58293A3 (en) 1994-04-13
DE59307232D1 (de) 1997-10-09
JPH0641536A (ja) 1994-02-15
DK0565954T3 (da) 1998-04-27
HUT66351A (en) 1994-11-28
PL174354B1 (pl) 1998-07-31
ES2106215T3 (es) 1997-11-01
HU211819B (en) 1995-12-28

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