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EP0842387A1 - Procede et dispositif permettant d'introduire des produits en vrac dans un four a sole tournante - Google Patents

Procede et dispositif permettant d'introduire des produits en vrac dans un four a sole tournante

Info

Publication number
EP0842387A1
EP0842387A1 EP96930952A EP96930952A EP0842387A1 EP 0842387 A1 EP0842387 A1 EP 0842387A1 EP 96930952 A EP96930952 A EP 96930952A EP 96930952 A EP96930952 A EP 96930952A EP 0842387 A1 EP0842387 A1 EP 0842387A1
Authority
EP
European Patent Office
Prior art keywords
bulk material
conveyor
belt
height
smoothing
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
EP96930952A
Other languages
German (de)
English (en)
Other versions
EP0842387B1 (fr
Inventor
Ulrich Pohl
Hermann Cepin
Hartmut Schmieden
Gerd Herre
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.)
SMS Siemag AG
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0842387A1 publication Critical patent/EP0842387A1/fr
Application granted granted Critical
Publication of EP0842387B1 publication Critical patent/EP0842387B1/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
    • C10B31/02—Charging devices for charging vertically
    • 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
    • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/38—Arrangements of devices for charging
    • 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
    • F27D2003/0008—Longitudinal distribution
    • 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
    • F27D2003/0063—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising endless belts

Definitions

  • the invention relates to a method for entering bulk material on a belt of a rotary hearth furnace, which has hoods that form a ring covering the belt, and a corresponding device for this.
  • Conveying device for loading and unloading the heating material in the area of the door opening in which a large number of gripping devices are provided which can feed the material to be heated from the conveyor device through the furnace openings to the contents of the furnace arranged in the furnace or remove them.
  • the oven known from this is a so-called push-through oven, in which the goods are not transported on a circular path.
  • EP 0 058 736 B1 is a rotary hearth furnace with a heating device for generating a hot zone, with a device forming an insertion station, via which parts can be inserted into the furnace.
  • the invention has set itself the goal of a method and a corresponding
  • the introduction device is constructed in such a way that the material feed is broken down into different stages.
  • the individual stages can be easily monitored and the individual stage transition can be safely controlled.
  • the material is fed in with a constant amount.
  • a movable conveyor belt is used, the discharge quantity of which is monitored and whose discharge position is adjustable.
  • the position of the transfer point is controlled so that on a further conveyor (level 2) a material layer is set, the height of which depends on the structural conditions of the rotary hearth furnace and here the size of the belt. It is taken into account here that the individual belt positions have different conveying speeds depending on their distance from the center of the rotary hearth.
  • Layer height on this conveyor is highest on the outside of the furnace belt, which is furthest from the center of the furnace. Overall, the layer height has a cross-sectional area that represents a square that tapers conically towards the center of the furnace.
  • the exact surface shape is set by a smoothing device.
  • This conveyor is operated at a predeterminable speed.
  • the smoothing device and the constant speed make it possible to set a delivery rate that is fixed directly from its position of the cross-sectional area at the discharge relative to the distance to the center of the furnace.
  • the material from the above-mentioned funding is gently thrown onto the stove band at the discharge point.
  • the relative speed of the hearth belt to the speed of the conveying means now determines the layer height, specifically over the full width of the furnace belt.
  • the layer height can be set particularly low and with a high degree of certainty by the exclusive dependence of the speeds of the furnace belt and the conveyor belt.
  • layer heights of only 30 mm are required on the conveyor belt with an oven belt width of up to 7 m. These high accuracies are achieved by the device according to the invention, layer heights of 200 to 400 mm being provided on the conveyor belt.
  • the device according to the invention is particularly suitable for coarse-grained bulk materials.
  • a swiveling belt can also be used as the first material feed.
  • An endless belt is advantageously used as the conveyor unit. This can have an edge-shaped elevation directly at its edges or a side bar is provided regardless of the conveyor belt. With this lateral limitation, the bulk material on the conveyor belt can be set exactly at the desired height.
  • the bulk material can also be conveyed gently through a vibrating trough that has a fixed strip on the side.
  • the oscillation frequency is set so that the conical cross-sectional area is maintained.
  • Figure 1 An overall view of the rotary hearth furnace.
  • Figure 2 The diagram of the input device.
  • FIG. 1 shows a rotary hearth furnace 11 with a center point M, the material conveyor belt 13 of which is covered by hoods 14.
  • a hood cutout 12 is provided for the input device.
  • FIG. 2 shows a section of the range 13 which is moved at the speed vp.
  • the hearth belt 13 is covered with bulk material in the height hrj.
  • An endless belt 21 is arranged above the hearth belt 13 and is covered with material which has a height of hjp on the side facing the center of the rotary hearth furnace, h m F in the middle and height h a p in the outer region.
  • the endless belt 21 is moved at the speed vp.
  • the surface of the material is carried out under a smoothing roller 31.
  • Limits in the form of limiting strips 24 are provided below the underside of the smoothing roller 31 in the edge regions of the endless belt 21.
  • Wings 32 are arranged on the smoothing roller 31 - distributed over their axial length - and ensure that the material is distributed on the endless belt 21.
  • a conveyor belt 41 is provided which has a drive 42. As indicated by the arrows, the conveyor belt can be moved back and forth. In addition, the conveyor belt 41 can be pivoted about an axis lying outside the rotary hearth furnace. This is also shown in the figure by a double arrow. This pivoting serves to improve the material feed to the endless belt, in particular to achieve the different dumping heights.

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)
  • Tunnel Furnaces (AREA)
  • Manufacture Of Iron (AREA)

Abstract

L'invention concerne un procédé permettant de déposer des produits en vrac sur la bande (13) d'un four à sole tournante (11) qui comporte des capots (12) recouvrant la bande (13) du four de manière annulaire. Selon l'invention, le produit en vrac est placé sur un dispositif transporteur (21) en une couche d'épaisseur (HD) proportionnelle à l'écart par rapport au centre du four à sole tournante. La vitesse de transport (VF) du dispositif transporteur est réglée à une valeur déterminée, la surface du produit en vrac est égalisée, puis le produit en vrac est déposé sur toute la largeur de la bande (13) du four, avec une épaisseur constante. L'invention concerne en outre un dispositif permettant de mettre ledit procédé en ÷uvre.
EP96930952A 1995-08-01 1996-07-24 Procede et dispositif permettant d'introduire des produits en vrac dans un four a sole tournante Expired - Lifetime EP0842387B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19529925A DE19529925A1 (de) 1995-08-01 1995-08-01 Verfahren und Vorrichtung zur Eingabe von Schüttgut in einen Drehherdofen
DE19529925 1995-08-01
PCT/DE1996/001442 WO1997005439A1 (fr) 1995-08-01 1996-07-24 Procede et dispositif permettant d'introduire des produits en vrac dans un four a sole tournante

Publications (2)

Publication Number Publication Date
EP0842387A1 true EP0842387A1 (fr) 1998-05-20
EP0842387B1 EP0842387B1 (fr) 2000-04-19

Family

ID=7769487

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96930952A Expired - Lifetime EP0842387B1 (fr) 1995-08-01 1996-07-24 Procede et dispositif permettant d'introduire des produits en vrac dans un four a sole tournante

Country Status (11)

Country Link
US (1) US5944514A (fr)
EP (1) EP0842387B1 (fr)
JP (1) JP3037438B2 (fr)
CN (1) CN1104621C (fr)
AU (1) AU701827B2 (fr)
BR (1) BR9609819A (fr)
DE (3) DE19529925A1 (fr)
NO (1) NO980362L (fr)
RU (1) RU2146793C1 (fr)
UA (1) UA44791C2 (fr)
WO (1) WO1997005439A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7215298A (en) * 1997-04-11 1998-11-11 Paul Wurth S.A. Device for charging a rotary furnace
LU90072B1 (de) * 1997-05-30 1998-12-01 Wurth Paul Sa Chargiervorrichtung fuer einen Drehherdofen
IT1304366B1 (it) * 1998-04-29 2001-03-15 Demag Italimpianti S P A Ora S Dispositivo alimentatore distributore per piattaforme rotanti, inparticolare per forni a suola rotante.
US20050065136A1 (en) * 2003-08-13 2005-03-24 Roby Russell R. Methods and compositions for the treatment of infertility using dilute hormone solutions
CA2458935A1 (fr) * 2004-03-02 2005-09-02 Premier Horticulture Ltee Four et procede d'expansion de la perlite et de la vermiculite
US20050239757A1 (en) * 2004-04-21 2005-10-27 Roby Russell R Hormone treatment of macular degeneration
US20060025390A1 (en) * 2004-07-28 2006-02-02 Roby Russell R Treatment of hormone allergy and related symptoms and disorders
CN102864669A (zh) * 2012-09-11 2013-01-09 江苏金沃机械有限公司 一种双螺杆浸渍机
CN102848601A (zh) * 2012-09-11 2013-01-02 江苏金沃机械有限公司 一种转鼓式连续计量料仓
CN103591807B (zh) * 2013-11-13 2015-01-21 鞍钢集团矿业公司 折板式摆动皮带生料给料机
CN103983017A (zh) * 2014-05-18 2014-08-13 浙江鸿星文具有限公司 一种热风炉的供料装置
JP6027697B1 (ja) * 2016-02-09 2016-11-16 株式会社シャルレ ベビー肌着
US10568806B2 (en) 2016-10-28 2020-02-25 Mindframers, Inc. Wearable situational stress management device
CN108106429B (zh) * 2016-11-24 2019-08-09 蒙城县神运环保新型材料有限公司 一种块状物料定时加温输出系统
EP3914400A1 (fr) * 2019-01-23 2021-12-01 Basf Se Procédé de production de particules superabsorbantes
CN109878974A (zh) * 2019-03-20 2019-06-14 青岛中维新材料有限公司 一种芳纶纤维运输带

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE346884C (de) * 1920-02-27 1922-01-09 Ludwig Honigmann Ringfoermiger Tellerofen fuer stetigen Betrieb
US3342467A (en) * 1965-04-21 1967-09-19 Harold T Stirling Reciprocating feeder and moving grate
NL6609484A (fr) * 1965-07-19 1967-01-20
US3667746A (en) * 1970-01-29 1972-06-06 Gleb Nikolaevich Makarov Furnace for continuous heat processing of various materials
US3721519A (en) * 1970-09-24 1973-03-20 Venetta Eng Furnace charging apparatus
US3988012A (en) * 1972-02-16 1976-10-26 Emile Joseph Jemal Rotary hearth
US3929219A (en) * 1974-03-27 1975-12-30 Dravo Corp Reciprocating variable speed material transfer conveyor system
US4579525A (en) * 1977-04-14 1986-04-01 Ross Donald R Apparatus and a process for heating a material
US4452153A (en) * 1982-01-19 1984-06-05 Midland-Ross Corporation Rotary hearth pyrolyzer with tapered spreader roll
DE3312467C2 (de) * 1983-02-25 1985-02-14 Didier Engineering Gmbh, 4300 Essen Ofen zum Erwärmen von Wärmgut, wie Brammen, Knüppel od. dgl.
US4636127A (en) * 1985-04-03 1987-01-13 The International Metals Reclamation Co., Inc. Conveying screw for furnace
GB8528902D0 (en) * 1985-11-23 1986-01-02 Greaves & Sons Ltd J W Treatment of expansible materials
CA1333220C (fr) * 1989-09-28 1994-11-29 Piezo Ceram Electronique Four annulaire a sole tournante pour conformer a un profil voulu l'une des faces d'ebauches de lentilles optiques par affaissement thermique et application de vide

Non-Patent Citations (1)

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Title
See references of WO9705439A1 *

Also Published As

Publication number Publication date
CN1195399A (zh) 1998-10-07
UA44791C2 (uk) 2002-03-15
AU701827B2 (en) 1999-02-04
NO980362D0 (no) 1998-01-27
JP3037438B2 (ja) 2000-04-24
NO980362L (no) 1998-03-19
EP0842387B1 (fr) 2000-04-19
WO1997005439A1 (fr) 1997-02-13
DE59605004D1 (de) 2000-05-25
JPH11500524A (ja) 1999-01-12
US5944514A (en) 1999-08-31
DE19529925A1 (de) 1997-02-06
CN1104621C (zh) 2003-04-02
RU2146793C1 (ru) 2000-03-20
BR9609819A (pt) 1999-07-06
AU6983696A (en) 1997-02-26
DE19680626D2 (de) 1998-07-23

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