EP1348492B1 - Installation de pyrolyse pour déchets avec tamis pour résidus solides - Google Patents

Installation de pyrolyse pour déchets avec tamis pour résidus solides Download PDF

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Publication number
EP1348492B1
EP1348492B1 EP03011845A EP03011845A EP1348492B1 EP 1348492 B1 EP1348492 B1 EP 1348492B1 EP 03011845 A EP03011845 A EP 03011845A EP 03011845 A EP03011845 A EP 03011845A EP 1348492 B1 EP1348492 B1 EP 1348492B1
Authority
EP
European Patent Office
Prior art keywords
screening device
rods
drum
refuse
pyrolysis plant
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.)
Expired - Lifetime
Application number
EP03011845A
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German (de)
English (en)
Other versions
EP1348492A1 (fr
Inventor
Georg Gropper
Winfried Rhein
Reinhold Riggenmann
Helmut Werdinig
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 EP1348492A1 publication Critical patent/EP1348492A1/fr
Application granted granted Critical
Publication of EP1348492B1 publication Critical patent/EP1348492B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • 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 to a pyrolysis plant according to the preamble of claim 1.
  • Thermal processes are known for waste disposal, at where the waste is burned in waste incineration plants or in Pyrolysis plants pyrolyzed, i.e. in the absence of air Temperature from about 400 ° C to 700 ° C is subjected. at Both methods make sense after the combustion or to separate the residue remaining after pyrolysis, to either recycle it or dispose of it in a suitable manner. The aim is to residual material to be disposed of in a landfill as low as possible to keep.
  • the pyrolysis residue also has non-combustible parts.
  • the non-combustible parts essentially consists of an inert fraction, such as glass, Stones or ceramics, as well as composed of a metal fraction.
  • the recyclable materials are sorted out and recycled fed. There are procedures for sorting out and components necessary that are reliable and continuous Ensure operation.
  • the problem with screening devices is often that clog the sieve surfaces. Then the screening device fails, or it must at least be a complex and labor-intensive one Undergo cleaning.
  • the problem of constipation the screening device occurs particularly in the case of a strongly inhomogeneous Composition of the solid to be separated. So for example, wires get caught in screen surfaces Perforated sheets, so that the individual holes first be narrowed and clog up over time.
  • the residue obtained during pyrolysis is typical such a strongly inhomogeneous solid, which with regard to its material composition, its size and geometry its solid parts shows great differences.
  • the residue is next to stones, broken glass and larger metal parts also elongated bars as well as in twisted wires (wire bulges).
  • a discharge device for pyrolysis residues known from a smoldering drum includes a conveyor that has a sawtooth profiled partition with an attached Rod screen has.
  • the partition will vibrate offset so that the fine of the separate coarse parts. The fine parts fall through subsequent rod sieve through, while the coarse fractions slide on the bar screen. Wirewalls can however, hang on the poles and cause constipation to lead.
  • EP 0 086 488 A2 also includes a pyrolysis plant for waste known a screening device for solid, the screening device is rotatable about its longitudinal axis.
  • FR 27 45 204 A1 also discloses the use a rod wound along a helix at one Screening device.
  • the present invention has for its object a Pyrolysis plant for waste with a sieve for solid Specify residual material in the case of continuous operation with simple means is guaranteed without constipation occur.
  • Each bar runs along a helix.
  • Such one Sieve with several rods is also used as a multi-course Called sieve.
  • the angle of rotation of the bars is less than 360 °. In particular the angle of rotation is less than or approximately equal to 180 °.
  • one is fixed with respect to the rod Rod element provided. This essentially runs parallel to the outer surface formed by the multi-course sieve.
  • This rod element acts as a wiping element as follows: If a line of wire gets stuck on the poles, it will this wire crunch due to the rotary motion of the sieve the fixed rod element is guided and is by this stripped from the bars along the helix. Around to achieve this is the direction of rotation of the rods in the direction of rotation appropriately parked the screening device.
  • the rod element is for the most efficient stripping also wound along a helix, and in particular counter to the rods, so that it with the rods, for example, an angle of preferably 90 ° includes.
  • an alignment device is provided in the screening device, which is arranged in the conveying direction in front of the rods, and the flows into the interior.
  • Elongated solid parts ensures that this is essentially parallel to the longitudinal axis in the interior can be introduced. Elongated solid parts are therefore also automatically as coarse solid parts treated and promoted. You can't be vertical fall through to the longitudinal axis. This ensures that exclusively through the sieve formed by the rods Solid parts fall through, their largest dimension smaller is the distance between two bars.
  • the alignment device is as one configured drum rotatable about its longitudinal axis. by virtue of the solid parts are aligned with the rotary movement of the drum automatically in the direction of the drum axis.
  • This spiral prevents that solid, for example, through a feed chute into which one end of the drum is inserted, the drum with a passes through at high speed so that the solid "flies" through the interior space formed by the rods, without screening.
  • the helix is particularly immediately on arranged on the inlet side of the drum and has a relative high flank.
  • the helix is in particular designed such that it - in a plan view seen in the direction of the longitudinal axis of the drum - forms a closed circle. This means that that solids on the drum bottom straight from the drum entrance slide through to the drum exit without any obstacles can. In order not to obstruct the flow of solids unnecessarily, becomes a multi-turn helix with an angle of rotation smaller 360 ° preferred. In this case, the desired overlap the flank is reached and at the same time becomes a relative allows flat slope of the helix, so that a faster Solids transport within the drum is made possible.
  • the alignment device as a profiled oscillating floor with longitudinal grooves designed in which the longitudinal grooves in the conveying direction run and in which the elongated solid parts due the vibrations of the vibrating floor in these longitudinal grooves be aligned.
  • the rods are advantageously on the in the conveying direction end face of the drum attached to this and there especially welded.
  • the rods are preferably such attached that the drum exit in the formed by the rods Interior opens.
  • the rods are out of the drum on the outer drum wall or at least attached flush with the drum.
  • the screening device is in a particularly preferred embodiment with the discharge side of the smoldering drum of the pyrolysis plant for screening of those obtained from the smoldering drum Pyrolysis residues connected.
  • the screening device directly with the smoldering drum on the discharge side to connect firmly. So are between the smoldering drum and no further components are interposed between the screening device, that can cause interference.
  • the Bars are, for example, directly on a discharge pipe attached to the smoldering drum and within a discharge device arranged. This discharge device is preferred sealed gas-tight from the outside atmosphere to prevent entry to avoid atmospheric oxygen leading to combustion of the combustible and hot pyrolysis residue.
  • the distance between two bars advantageously about 100 mm to 300 mm and in particular about 180 mm.
  • the one formed by the bars The interior has a length of approximately 0.5 to 1.5 m. His Diameter is about 1.5 m, and a sieve with The drum and sieve preferably have a total length of about 2 up to 4 m.
  • the length of the interior is expedient less than or equal to the diameter of the drum.
  • a screening device 1 comprises an alignment device, namely a drum rotatable about its longitudinal axis 2, which is inclined to the horizontal.
  • a shaft-like feeder 6 arranged for solid R. With this solid R e.g. pyrolysis residue or rubble.
  • On the right of the feeder 6 opposite Front 7 of drum 2 is one along a helix coiled rod 8 made of metal attached to a spiral 10 with an interior 11 forms.
  • the spiral 10 is for example with a suitable welding, screwing or Clamp connection attached to the drum 2.
  • the spiral 10 aligns approximately with the drum 2, so that the diameter the drum 2 and that of the spiral 10 are approximately the same.
  • the drum 2 is rotatably supported. You can't over one drive shown in detail can be set in rotation. Together the drum 2 also rotates the drum 2 attached spiral 10. This has five turns according to Figure 1 on. The distance between two adjacent turns depends on the type of solid R. It is present preferably about 180 mm.
  • the spiral wound Rod 8 is made of a robust material and is special metallic. For example, it is a round bar or a steel pipe.
  • the spiral 10 is only one-sided, namely on the drum 2 attached. Your spiral end facing away from drum 2 is free of fasteners and is not supported. The spiral 10 will therefore become unpaved Bend downward due to gravity. hereupon is discussed in more detail below in FIG. 2.
  • the solid R is the feed device 6 in the Drum 2 is given and is due to the inclination of the drum 2nd and the rotational movement in the conveying direction 14 towards the spiral 10 transported. Fine solid F is separated off in the spiral 10, while coarse solid G is transported further by the spiral 10 becomes.
  • An advantage of the screening device 1 with the spiral 10 is therein to see that hard-flowing solid R through the Rotary movement transported in a simple manner in the conveying direction 14 becomes.
  • Figure 2 shows a schematic section through a curved Spiral 10. This is the main principle of operation of the curved spiral 10 explained.
  • the spiral axis 12 (and with it the entire spiral 10) points according to Figure 2 shows a curvature. Because of the curvature is the top one Distance o between two successive turns larger than the lower distance u between two turns.
  • On Solid part R can only be in the lower part of the spiral 10 clamp where the distance u between two turns is small.
  • a clamped solid part P is through the Rotational movement of the spiral 10 promoted upward, and at the same time the distance between the turns becomes larger, so that the Solid part P loosens and falls.
  • the smoldering drum 26 of a pyrolysis plant via a feed shaft 27 and a feed device 28 loaded with waste A.
  • the waste A is in the smoldering drum 26 at around 450 ° C. This creates a Smoldering gas S and a solid or pyrolysis residue R.
  • Die Smoldering drum 26 is preferred over not shown internal heating pipes heated. It is opposite the horizontal inclined and rotatable.
  • a discharge pipe 29 is arranged on the end the spiral 10 is attached.
  • the discharge pipe 29 and the Spiral 10 form the sieve device 1.
  • the discharge pipe 29 also serves as an alignment device for elongated Solid parts. With the spiral 10, the fine solids F separated from the coarse solids content G.
  • the discharge pipe 29 with a connected spiral 10 opens into a discharge device 30 which is opposite the rotating Smoldering drum 26 sealed gas-tight via mechanical seals 32 is.
  • the same as the discharge device 30 the feed device 28 to the smoldering drum 26 via mechanical seals 32 sealed gas-tight.
  • This is to be avoided be that atmospheric oxygen penetrates into the smoldering drum 26 and the one that runs largely oxygen-free in the smoldering drum 26 Pyrolysis process affected.
  • the carbonization gas S which via the discharge pipe 29 into the discharge device 30 flows and from there via a carbonization gas outlet 34 is derived.
  • Smoldering drum 26 With the arrangement of the spiral 10 on the discharge tube 29 Smoldering drum 26 is the pyrolysis residue R immediately after the smoldering drum 26 into a fine solid fraction F and a coarse solid content G separated. The danger of one Blockage from the smoldering drum 26 downstream components is therefore only minor.
  • the screening device is generally suitable for direct connection on rotating pipes, e.g. Rotary kilns or smoldering drums, in which the solid is subjected to treatment what it should be separated after.
  • the fine residual material F separated with the screening device 1 is preferably a so-called for further processing Subjected to wind sifting.
  • a zigzag-shaped one has proven particularly useful Exposed in the air from below and shaft the solid is fed from above or from the side.
  • FIG. 4 shows an alternative embodiment to the spiral 10 shown for use in the invention in which instead of the spiral 10 a number of rods 8 at the end of the Drum 2 is arranged.
  • the rods 8 are each along a spiral line and can therefore be considered a multi-start Wendel can be viewed.
  • the individual rods 8 are to each other at the end of the drum 2 preferably at an angle 30 ° offset.
  • Each individual rod has 8 an angle of rotation less than 360 °, so does not form a complete one Rotation. This is a particularly robust design allows.
  • the rod member 35 may also be the alternative Embodiment arranged with the spiral 10 his. It causes a solid part hanging from a rod 8 due to the relative movement between rod 8 and Rod element 35 is withdrawn from the rod 8 in the conveying direction 14 becomes.
  • the direction of rotation of the screening device 1 is for this purpose and the direction of rotation of the rods 8 matched.
  • the rod element 35 In order to increase the stripping effect, the rod element 35 also wound and crossed along a helix the rods 8 preferably at an angle of 90 °.
  • the slope of the rod element 35 preferably takes in the conveying direction 14 to increase the wiping effect.
  • the effect will be further improved if several rod elements 35 are provided are. For example, these are approximately semicircular below the rods 8 arranged.
  • the rod element 35 Another advantage of the arrangement of the rod element 35 can be seen in the fact that elongate solid parts 16, which are not aligned completely parallel to the longitudinal direction 3 in the drum 2, cannot fall through a gap between the rods 8. Because of the rotary movement of the drum 2, it may happen that the elongated solid parts 16 are also lifted up so that they meet the rods 8 at an acute angle at the outlet of the drum 2. It can also be seen from FIG. 4 that a multi-start spiral 36 is arranged on the inlet side of the drum 2.
  • the multi-turn helix 36 comprises two helical sheets which are arranged so as to be rotationally offset from one another. Further sheets can also be provided.
  • the coil 36 is arranged on the inside of the drum 2 and is designed in such a way that at least two coil sections overlap at each point on the drum base.
  • the flanks of the helix, i.e. the sheets, are relatively high. This ensures that the solid R introduced by the feed device 6 is braked and does not fly through or shoot through the screening device 1 without the solid R undergoing screening.
  • the multi-pass sieve with several described for FIG Rods 8 can, without limitation, the spiral sieve 10 from FIG 3 replace.
  • the pyrolysis system described is characterized by a very simple and robust construction and guaranteed at the same time trouble-free operation without clogging occur.
  • Crucial aspects for the guarantee safe operation are the design of the screening device with the helically wound rods 8 that safe separation of elongated solid parts due to the upstream alignment device and the through the rotation and spiral movement were automatic Transport of the solid R.

Claims (12)

  1. Installation de pyrolyse de déchet, comprenant un dispositif (1) de criblage de résidu (R) solide, qui peut tourner par rapport à son axe (3) longitudinal et à l'intérieur duquel le résidu peut être introduit,
       caractérisée en ce que le dispositif (1) de criblage a un certain nombre de barres (8) enroulées en hélice qui délimitent l'intérieur, les débuts des barres (8) étant décalés en rotation et les barres (8) ayant un angle de rotation inférieur à 360°, notamment inférieur ou à peu près égal à 180°.
  2. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant la revendication 1,
       caractérisée en ce qu'il est prévu un élément (35) de barre qui, par rapport aux barres (8) enroulées, est monté fixe et sensiblement parallèlement à la surface extérieure formée par les barres (8) enroulées.
  3. Installation de pyrolyse de déchet comprenant un dispositif (1 ) de criblage de résidu (R) solide suivant la revendication 2,
       caractérisée en ce que l'élément (35) de barre est enroulé suivant une hélice en sens opposé aux barres (8), de sorte qu'il fait, avec les barres (8), notamment un angle d'environ 90°.
  4. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant l'une des revendications 2 à 3,
       caractérisée en ce qu'il est prévu plusieurs éléments (35) de barres dont les débuts sont décalés en rotation.
  5. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant l'une des revendications 1 à 4,
       caractérisée en ce qu'il est prévu, pour l'orientation de particules de matière solide s'étendant en longueur dans la direction (14) de transport, un dispositif d'orientation qui est monté devant les barres (8) et qui débouche à l'intérieur (11).
  6. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant la revendication 5,
       caractérisée en ce que le dispositif d'orientation est un tambour (2) qui peut tourner par rapport à son axe (3) longitudinal.
  7. Installation de pyrolyse de déchet comprenant un dispositif (1 ) de criblage de résidu (R) solide suivant la revendication 6,
       caractérisée en ce que les barres (8) sont fixées en étant notamment soudées au tambour (2) du côté (4) frontal en amont dans la direction (14) de convoyage.
  8. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant la revendication 6 ou 7,
       caractérisée en ce qu'il est monté sur la face inférieure du tambour (2) une hélice (36), de préférence une hélice (36) à plusieurs pas.
  9. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant la revendication 8,
       caractérisée en ce que l'hélice (36) est conformée de manière à former, en vue en plan dans la direction de l'axe (3) longitudinal du tambour (2), un cercle fermé.
  10. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant l'une des revendications 1 à 9,
       caractérisée en ce que le dispositif (1) de criblage est relié à un côté de déchargement d'un tambour (26) de distillation pour le criblage de résidu de pyrolyse provenant du tambour (26) de distillation.
  11. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant l'une des revendications 1 à 10,
       caractérisée en ce que la distance entre deux spires de l'hélice (10) ou entre deux barres (8) est d'environ 100 à 300 mm, notamment de 180 mm.
  12. Installation de pyrolyse de déchet comprenant un dispositif (1) de criblage de résidu (R) solide suivant l'une des revendications 1 à 11,
       caractérisée en ce que l'intérieur (11) formé par les barres (8) a un diamètre d'environ 1,5 m, ainsi qu'une longueur d'environ 0,5 à 1,5 m.
EP03011845A 1998-05-22 1999-05-17 Installation de pyrolyse pour déchets avec tamis pour résidus solides Expired - Lifetime EP1348492B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19823018A DE19823018A1 (de) 1998-05-22 1998-05-22 Siebvorrichtung für Feststoff und Verfahren zum Sieben von Feststoff
DE19823018 1998-05-22
EP99936263A EP1144137B1 (fr) 1998-05-22 1999-05-17 Dispositif et procede de criblage de matiere solide

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99936263A Division EP1144137B1 (fr) 1998-05-22 1999-05-17 Dispositif et procede de criblage de matiere solide

Publications (2)

Publication Number Publication Date
EP1348492A1 EP1348492A1 (fr) 2003-10-01
EP1348492B1 true EP1348492B1 (fr) 2004-07-28

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EP03011845A Expired - Lifetime EP1348492B1 (fr) 1998-05-22 1999-05-17 Installation de pyrolyse pour déchets avec tamis pour résidus solides
EP99936263A Expired - Lifetime EP1144137B1 (fr) 1998-05-22 1999-05-17 Dispositif et procede de criblage de matiere solide

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EP99936263A Expired - Lifetime EP1144137B1 (fr) 1998-05-22 1999-05-17 Dispositif et procede de criblage de matiere solide

Country Status (18)

Country Link
US (1) US6786335B1 (fr)
EP (2) EP1348492B1 (fr)
JP (1) JP2003520116A (fr)
KR (1) KR20010034887A (fr)
CN (2) CN1168545C (fr)
AT (2) ATE260715T1 (fr)
CA (1) CA2333051A1 (fr)
CZ (1) CZ20004228A3 (fr)
DE (3) DE19823018A1 (fr)
DK (2) DK1144137T3 (fr)
ES (2) ES2225810T3 (fr)
HU (1) HUP0204465A2 (fr)
MY (1) MY129544A (fr)
PL (1) PL353029A1 (fr)
PT (2) PT1348492E (fr)
SK (1) SK17402000A3 (fr)
TW (1) TW515345U (fr)
WO (1) WO1999061172A2 (fr)

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CN105344590B (zh) * 2015-11-30 2017-03-29 天津百利阳光环保设备有限公司 一种耙式抖动筛分机
CN105344579B (zh) * 2015-11-30 2017-05-10 天津百利阳光环保设备有限公司 一种可调振动式棒条筛分设备
CN108704835A (zh) * 2018-07-07 2018-10-26 黑龙江八农垦大学 小马铃薯螺旋清选机械
CN110178550A (zh) * 2019-07-05 2019-08-30 开鲁县鑫旺秸秆能源开发有限责任公司 一种大型自走式辣椒椒杆分离田间作业机
CN113351466A (zh) * 2021-05-26 2021-09-07 张鹏 一种渔业用海瓜子筛选收集装置
CN114589084A (zh) * 2022-03-07 2022-06-07 深耀环境科技(山东)有限公司 一种焚烧发电厂炉渣中废金属震动筛分回收装置
CN115156062A (zh) * 2022-06-20 2022-10-11 华能核能技术研究院有限公司 球形元件碎屑分离装置及方法

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ATE260715T1 (de) 2004-03-15
PT1348492E (pt) 2004-12-31
CN1311719A (zh) 2001-09-05
ATE271930T1 (de) 2004-08-15
DK1348492T3 (da) 2004-12-06
KR20010034887A (ko) 2001-04-25
CN1168545C (zh) 2004-09-29
EP1144137B1 (fr) 2004-03-03
CA2333051A1 (fr) 1999-12-02
HUP0204465A2 (en) 2003-04-28
DE19823018A1 (de) 1999-11-25
EP1144137A2 (fr) 2001-10-17
CN1530182A (zh) 2004-09-22
US6786335B1 (en) 2004-09-07
SK17402000A3 (sk) 2001-10-08
WO1999061172A2 (fr) 1999-12-02
DK1144137T3 (da) 2004-06-14
CN1268447C (zh) 2006-08-09
TW515345U (en) 2002-12-21
PL353029A1 (en) 2003-10-06
EP1144137A3 (fr) 2002-11-20
EP1348492A1 (fr) 2003-10-01
DE59910086D1 (de) 2004-09-02
DE59908780D1 (de) 2004-04-08
CZ20004228A3 (cs) 2001-08-15
JP2003520116A (ja) 2003-07-02
MY129544A (en) 2007-04-30
ES2225810T3 (es) 2005-03-16
ES2219039T3 (es) 2004-11-16
PT1144137E (pt) 2004-07-30
WO1999061172A3 (fr) 2002-10-03

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