EP0874971A2 - Dispositif de dechargement - Google Patents

Dispositif de dechargement

Info

Publication number
EP0874971A2
EP0874971A2 EP97914059A EP97914059A EP0874971A2 EP 0874971 A2 EP0874971 A2 EP 0874971A2 EP 97914059 A EP97914059 A EP 97914059A EP 97914059 A EP97914059 A EP 97914059A EP 0874971 A2 EP0874971 A2 EP 0874971A2
Authority
EP
European Patent Office
Prior art keywords
residue
discharge
residual material
outlet
coarse
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
EP97914059A
Other languages
German (de)
English (en)
Other versions
EP0874971B1 (fr
Inventor
Karl May
Werner Axt
Eugen Schlag
Heinz Sättler
Klaus Busch
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
Schenck Process Europe GmbH
Original Assignee
Siemens AG
Schenck Process GmbH
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, Schenck Process GmbH filed Critical Siemens AG
Publication of EP0874971A2 publication Critical patent/EP0874971A2/fr
Application granted granted Critical
Publication of EP0874971B1 publication Critical patent/EP0874971B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B07B1/12—Apparatus having only parallel elements
    • 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
    • F27B7/33—Arrangement of devices for discharging
    • 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
    • C10B33/00—Discharging devices; Coke guides
    • 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
    • C10B33/00—Discharging devices; Coke guides
    • C10B33/12—Discharge valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F27D15/0206—Cooling with means to convey the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0001—Positioning the charge
    • F27D2003/0006—Particulate materials
    • F27D2003/0009—Separation of different types of fines, e.g. by a blower
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0038—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising shakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0035—Devices for monitoring the weight of quantities added to the charge
    • F27D2021/0042—Monitoring the level of the solid charge

Definitions

  • the invention relates to a discharge device with a housing into which a discharge tube of a smoldering drum opens and from which a residue discharge chute opens, which opens into a conveyor device that ends at an outlet, a level meter being arranged on the residue discharge shaft.
  • Such a discharge device is known from DE 30 05 205 AI.
  • the Austragsvorrich ⁇ shown there processing for a pyrolysis plant is characterized in that an A ⁇ is stragsbehalter always filled in operation with overall carbonization to form a gas tight seal.
  • a level meter monitors the level in the container. At the outlet of the container, the smoldering residue is removed by a conveyor and brought to an outlet. With the conveying device, only so much residual material is transported away that the fill level in the housing does not drop below the position of the fill level meter.
  • a separation of the residual material into fine and coarse components is not intended for oeira acquaintances.
  • Such a separating device is known from EP 0086 488 A3.
  • a bar screen is provided, which is assigned to the vibration exciter.
  • the smoldering residue to be sorted falls on this rod screen.
  • the dwell time on the bar screen is not sufficient to get through the vibrations of the bar screen to shake off the fine residue from the coarse residue, because constantly new fine residue falls onto the coarse residue.
  • the invention was based on the object of supplementing a discharge device which has a gas-tight seal by a separating device which separates coarse residual material and fine residual material from one another and thereby cleans the coarse residual material from adhering particles of the fine residual material.
  • the conveying device has a profiled separating bottom, to which a rod screen is formed at the end facing away from the mouth of the residue discharge chute, that the vibrating exciter is assigned to the conveying device and that the rod sieve has a discharge opening for covers fine residue and ends at an outlet for coarse residue.
  • the fine residue is shaken from the coarse residue without further fine residue could fall onto the coarse residue. While the coarse residue rests on the elevated areas of the profile, the fine residue collects in the valleys of the profile. When the residual material reaches the molded rod sieve, the coarse residual material is cleaned. The fine residue then falls through the bar screen into the discharge opening for fine residue and the cleaned coarse residue is transported further via the bar screen due to the oscillation of the conveying device and falls into the outlet for coarse residue.
  • the residue discharge chute is bent in front of its mouth in the conveying device in the direction of the conveying direction. This ensures that the residual material always slides from the residual material discharge shaft onto the conveying device.
  • the residue discharge chute is against
  • Conveying device sealed by a flexible compensator. This provides a seal between these two components, which withstands the movements of the conveying device relative to the waste material discharge shaft.
  • the profiled partition consists for example of a profiled sheet or a profiled casting.
  • the dividing floor has a sawtooth-like cross section.
  • the dividing floor has, for example, curved recesses. This advantageously prevents coarse residues, which may include wire piles, from getting caught at the end of the partition.
  • edge-free partitions are arranged between the discharge opening for fine residue and the outlet for coarse residue. This also has the advantage that no wire bulges can get caught.
  • two separately controllable vibratory exciters are assigned to the delivery device.
  • the speed of the two vibration exciters can be different.
  • the advantage is also achieved that the use of a conveyor equipped with a vibration exciter compresses the sulfur residue plug in the residue discharge shaft, so that an entry of atmospheric oxygen into the sulfurization device is prevented better than previously possible.
  • the advantage is achieved that coarse residue is separated from fine residue much better than was previously possible.
  • profiled partition and bar screen can also be used for the separation or cleaning of other materials.
  • FIG. 1 shows a discharge device according to the invention.
  • FIG. 3 shows a plan view of a profiled separating base on which a bar screen is molded.
  • FIG. 1 shows a housing 1 of a discharge device into which a discharge tube 2 of a smoldering drum 3 opens, in which waste is carbonized. This produces carbonization gas and carbonization residue, which reach the housing 1 via the discharge tube 2.
  • the rotatable discharge pipe 2 is sealed off from the housing 1 via seals 4.
  • the carbonization gas leaves the housing 1 via a dispensing opening 5 arranged in the upper part, which is gas-tight with a device, not shown, for further treatment of the carbonization gas, for example with a high temperature combustion chamber is connected.
  • the solid smoldering residue falls down in the housing 1. From the lower outlet of the housing 1, which can be closed by an emergency slide 6, em residue discharge chute 7 starts.
  • a fill level meter 8 is arranged on the upper section of the residue discharge chute 7.
  • the conveyor is regulated so that there is always a dense bed of smoldering residue in the residue discharge chute 7, which prevents the backflow of gases, in particular atmospheric oxygen, from the smoldering drum 3.
  • the conveying device consists of a profiled separating floor 9, which is located in the vicinity of the mouth of the residual material discharge chute 7, and of a rod screen 10 formed on the separating floor 9 in the transport direction, and of a vibration exciter 11.
  • This can provide springs for Storage of the conveyor and eccentric rollers, which are driven by a motor, not shown, include.
  • the residue discharge chute 7 is sealed against the conveyor by a flexible compensator 12.
  • the vibration exciter 11 can be controllable. This can ensure that the residue discharge chute 7 is always sealed gas-tight by the residual material.
  • the vibration of the conveyor means that coarse and fine residues are separated from one another on the separating tray 9 and simultaneously moved. The fine residues then fall through the rod sieve 10 and reach a discharge opening 13 arranged there for fine residues.
  • This discharge opening 13 can open into a container, but also into a device for further treatment, for example in a high-temperature combustion chamber.
  • the coarse residual material is transported over the bar screen 10 to its end, from where it passes into an outlet 14 arranged there coarse residue falls.
  • a container 15 can connect to this outlet 14.
  • Edge-free partition walls 16 are arranged between the discharge opening 13 and the outlet 14, on which no residue remains.
  • Figure 2 shows a cross section through a partition 9, which has a sawtooth-shaped profile 9a.
  • the fine residual material accumulates in the valleys of this profile 9a, while the coarse residual material lies on the tips of the profile 9a.
  • the oscillating movement of the separating base 9 shakes off fine residual material which adheres to the coarse residual material, so that a coarse residual material remains as pure as possible.
  • FIG. 3 shows the transition from the dividing plate 9 to the rod screen 10.
  • the dividing plate 9 has curved recesses 9b. This prevents coarse residue, e.g. Wire wool, remains hanging at the end of the partition 9.
  • the discharge device on the one hand, backflow of atmospheric oxygen is avoided, and on the other hand, the coarse residue is almost completely separated from the fine residue. While the fine residue is usually treated further, the coarse residue consists of metal and glass parts that can be used directly as raw materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Refuse Collection And Transfer (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Threshing Machine Elements (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)

Abstract

L'invention concerne un dispositif de déchargement comportant un boîtier (1) dans lequel débouche le tuyau d'évacuation (2) d'un tambour de carbonisation à basse température (3). Un puits de d'évacuation de résidus (7) partant du boîtier (1) débouche dans un convoyeur qui se termine au niveau d'une sortie (14). Un système de mesure du niveau (8) est monté sur le puits d'évacuation de résidus (7). Il est prévu que le convoyeur présente un fond de séparation (9) profilé sur lequel est formé un crible à barreaux (10) à l'extrémité opposée à l'endroit où débouche le puits d'évacuation de résidus (7). Le crible à barreaux (10) recouvre une ouverture de déchargement (13) pour les résidus fins et se termine au niveau d'une sortie (14) réservée à l'évacuation de gros résidus. Un générateur de vibrations (11) est associé au convoyeur.
EP97914059A 1996-01-18 1997-01-16 Dispositif de dechargement Expired - Lifetime EP0874971B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19601717 1996-01-18
DE19601717 1996-01-18
PCT/DE1997/000067 WO1997026495A2 (fr) 1996-01-18 1997-01-16 Dispositif de dechargement

Publications (2)

Publication Number Publication Date
EP0874971A2 true EP0874971A2 (fr) 1998-11-04
EP0874971B1 EP0874971B1 (fr) 1999-06-23

Family

ID=7783096

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97914059A Expired - Lifetime EP0874971B1 (fr) 1996-01-18 1997-01-16 Dispositif de dechargement

Country Status (13)

Country Link
EP (1) EP0874971B1 (fr)
JP (1) JP2000503377A (fr)
KR (1) KR19990077290A (fr)
AT (1) ATE181597T1 (fr)
CA (1) CA2243480A1 (fr)
CZ (1) CZ286540B6 (fr)
DE (1) DE59700231D1 (fr)
ES (1) ES2135290T3 (fr)
HU (1) HUP9900086A3 (fr)
PL (1) PL327664A1 (fr)
SK (1) SK95598A3 (fr)
TW (1) TW338099B (fr)
WO (1) WO1997026495A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19823018A1 (de) 1998-05-22 1999-11-25 Siemens Ag Siebvorrichtung für Feststoff und Verfahren zum Sieben von Feststoff
DE19822996C1 (de) * 1998-05-22 1999-04-22 Siemens Ag Abscheidevorrichtung für langgestreckte Feststoffteile
ITMI20020030A1 (it) * 2002-01-10 2003-07-10 Magaldi Ricerche & Brevetti Estrazione drenaggio e trasporto del coke di petrolio
SE526412C2 (sv) * 2003-02-03 2005-09-13 Svante Bjoerk Ab Arrangemang för avskiljning av partiklar, avskiljningsmetod samt arrangemang för optisk avsyning i samband med en process för tillverkning av elektriska kraftkablar
DE102012111050A1 (de) * 2012-11-16 2014-05-22 Thyssenkrupp Resource Technologies Gmbh Mehretagenofen und Verfahren zur thermischen Behandlung eines Stoffstroms
DE102016225248A1 (de) 2016-12-16 2018-06-21 Siltronic Ag Abscheidevorrichtung für Polysilicium
US10930064B2 (en) 2018-02-08 2021-02-23 Covidien Lp Imaging reconstruction system and method
WO2022042815A1 (fr) * 2020-08-24 2022-03-03 Wacker Chemie Ag Plaque de tamis de dispositif de séparation pour classer des matériaux en vrac

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367063A (en) * 1942-09-14 1945-01-09 American Ore Reclamation Compa Sinter treating means
US3455445A (en) * 1966-02-01 1969-07-15 Kenneth M Allen V-trough grader
DE3005205C2 (de) * 1980-02-12 1983-11-24 Deutsche Kommunal-Anlagen Miete GmbH, 8000 München Austragsvorrichtung für eine Abfall-Pyrolyseanlage
US4503783A (en) * 1983-07-11 1985-03-12 General Kinematics Corporation Furnace ash air seal
DE3527621A1 (de) * 1985-08-01 1987-02-05 Metallgesellschaft Ag Vorrichtung zum abtrennen von rberkorn aus dem heissen austragsmaterial eines drehrohrofens bei der direktreduktion von eisenoxidhaltigen materialien zu eisenschwamm
SE457611B (sv) * 1985-12-30 1989-01-16 Plm Ab Anordning foer separering av avfall
DE4005653A1 (de) * 1990-02-23 1991-08-29 Loi Ind Ofenanlagen Industrieofen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9726495A2 *

Also Published As

Publication number Publication date
EP0874971B1 (fr) 1999-06-23
KR19990077290A (ko) 1999-10-25
CA2243480A1 (fr) 1997-07-24
SK95598A3 (en) 1998-12-02
ATE181597T1 (de) 1999-07-15
DE59700231D1 (de) 1999-07-29
PL327664A1 (en) 1998-12-21
CZ217998A3 (cs) 1998-12-16
WO1997026495A3 (fr) 1997-09-18
HUP9900086A2 (hu) 1999-04-28
WO1997026495A2 (fr) 1997-07-24
HUP9900086A3 (en) 2000-07-28
TW338099B (en) 1998-08-11
CZ286540B6 (cs) 2000-05-17
JP2000503377A (ja) 2000-03-21
ES2135290T3 (es) 1999-10-16

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