WO2007031624A2 - Dispositif de remplissage de poussier, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four - Google Patents
Dispositif de remplissage de poussier, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four Download PDFInfo
- Publication number
- WO2007031624A2 WO2007031624A2 PCT/FR2006/002060 FR2006002060W WO2007031624A2 WO 2007031624 A2 WO2007031624 A2 WO 2007031624A2 FR 2006002060 W FR2006002060 W FR 2006002060W WO 2007031624 A2 WO2007031624 A2 WO 2007031624A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cells
- orifices
- anodes
- dust
- ducts
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
- B65D88/28—Construction or shape of discharge section
-
- 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
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type or of the type in which a segmental kiln moves over a stationary charge
- F27B13/06—Details, accessories or equipment specially adapted for furnaces of this type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the present invention relates to a device for filling the cells of a cooking furnace with fires. It relates more particularly to a device for filling the cavities of an oven for baking anodes made of carbonaceous material for the electrolysis of the furnace. aluminum.
- the invention also relates to an anode baking plant and a method of placing anodes in the cells of an oven for cooking,
- the anodes used for the production of aluminum metal according to the Hall-Héroult process are obtained by molding a carbonaceous paste and by cooking at a temperature of the order of 1200 ° C.
- the cooking is carried out in ovens most often comprising several adjacent chambers themselves divided into cells by heating partitions inside which circulate air and combustion gases supplied by burners.
- the anodes to be cooked are stacked in the cells and completely embedded in a granular or powdery material called dust.
- the dust serves to protect the anodes during cooking, in particular the oxidation that they could undergo due to the high cooking temperature.
- the dust When not in cells, the dust is contained in a tank having an outlet duct.
- the tank is attached to a traveling crane that can be moved over the furnace to bring the outlet duct above each cell to be filled.
- each anode charge in a ch ⁇ mbre given, is successively preheated, subjected to cooking, then cooled.
- This type of furnace is called "ring furnace"("ringfurnace” in English)
- the anodes cooled they are evacuated out of the cells. The dust contained in these cavities is sucked and then reintroduced into the reservoir for subsequent filling of another cell,
- the production rate of the anodes in the cooking installations must be very important. Indeed, the electrolysis plants, usually located near the cooking facilities, include a large number of electrolysis cells (several hundred for example). And in each electrolysis cell are disposed several anodes, even a few tens of anodes which are gradually consumed by electrolysis, in about twenty days on average.
- the invention aims to overcome the drawbacks mentioned above, by extending the life of the filler cell filling system without reducing the production rate of the anodes.
- the invention relates to a device for filling the cells of anode baking furnace for the electrolysis of aluminum, characterized in that it comprises: ⁇ ) a reservoir adapted to contain said dust, said reservoir comprising a body extended by a lower portion forming at least one funnel, at least two outlet ports for discharging the dust out of the tank, said outlet orifices being substantially aligned, b ) a handling device of said tank, which moves said tank in a direction perpendicular to the direction of alignment of the outlets.
- the handling device is typically a mobile bridge suspended from a carriage that moves along the beam of a traveling crane.
- Said tank is integral with the suspended mobile bridge.
- the latter can be moved in two orthogonal directions to a position above an anode baking oven so that the outlets are above the cells of the furnace to fill.
- a separate outlet duct is associated with each outlet orifice and serves to guide the flow of dust that flows into the cell,
- the filling time of n cells is substantially identical to the time required, in the prior art, to fill a single cell since, due to the presence of a single output duct, it was necessary to fill one after the other said cells, so we can divide by n about the rate of use of the filler cell filling system, while maintaining the same rate of production of the anodes. This results in a significant decrease in operating and maintenance costs.
- the solution provided by the invention also has many advantages over other solutions that could be envisaged to achieve this result: simple design of the reservoir and associated devices, resulting in a reduced production cost; congestion of the filling system and number of devices specifically associated with the tank (filling opening, etc.) substantially unchanged, since only one tank is necessary for the filling of several cells; - no fundamental modification of the general structure of the tank, with the exception of the outlets. It is thus not necessary to make consequent changes to the anode cooking installation to accommodate this new type of tank; for substantially identical orifices and positioned symmetrically in the tank, obtaining a similar flow of the dust through the different outlets, in terms of speed, particle size distribution and powder distribution. For this purpose, it is not necessary to provide the tank with any internal system of distribution of dust, which further simplifies the structure of the tank. As a result, the filling of the cells is substantially identical.
- the funnel has a plane of symmetry substantially orthogonal to the direction of alignment of the orifices. There is thus a symmetry of the funnel proper but also a symmetrical distribution of the orifices.
- the body of the reservoir has an elongated shape, typically cylindrical or prismatic, and has a substantially vertical axis.
- the funnel has, when viewed in a direction perpendicular to the plane formed by the substantially vertical axis and the direction of alignment of the orifices, lateral edges forming with said axis an angle less than or equal to 50 9 , and preferably less than or equal to 40 °.
- the funnel may have, when viewed in section along a plane perpendicular to the direction of alignment of the orifices and passing through the substantially vertical axis, side edges which, in a possible embodiment, form with said axis of different angles,
- the side edges of the funnel are straight lines.
- the outlets may be substantially circular.
- the funnel comprises two exit orifices of substantially identical shapes.
- the reservoir comprises a plurality of outlet orifices which are each associated with an outlet duct.
- the outlet ducts are substantially rectilinear and parallel to one another,
- the device may comprise, for each outlet duct, a valve adapted to close said duct, the valve having a closing time preferably less than 12 seconds, or even less than 4 seconds.
- closing time means the minimum time required for the valve to move from its open position to its closed position.
- the invention relates to an anode baking installation, comprising an oven comprising a plurality of elongated cells intended to receive the anodes and at least one filling device as previously described placed above the oven, characterized in that said handling device moves said reservoir in the direction of the length of the cells and in that said outlet orifices are arranged relative to one another so as to allow simultaneous filling of at least two distinct cells.
- a separate outlet duct is associated with each outlet orifice and serves to guide the flow of dust that flows into the corresponding cell.
- the furnace comprises at least one chamber having a plurality of substantially identical elongate cells arranged substantially parallel to each other and regularly spaced from each other, and the outlet orifices are substantially aligned, the spacing D between two orifices successive being substantially equal to N times the spacing d between two adjacent cells, N being an integer preferably between 1 and 3, and the conduits are arranged to simultaneously guide the flow of dust in each of the cells.
- they are substantially rectilinear, vertical and arranged in a vertical plane substantially perpendicular to the cells.
- the funnel may comprise exactly two outlet orifices each associated with an outlet duct, the spacing between the two ducts being substantially equal to the spacing between two adjacent cells.
- the invention relates to a method of placing anodes in the cells of an oven for their cooking, comprising the steps of: providing an anode baking installation as previously described , the tank containing a dust and the filling device being positioned so that at least two holes are each located opposite a cell; pouring dust through at least two orifices facing a cell, while moving the filling device in the direction of the length of the cells, typically from one end to the other of the cells, to form in at least two cells a dust layer of substantially uniform thickness and small relative to the height of said cells; stacking anodes in said cells, the anodes resting on the layer of dust; pouring dust through said orifices while moving the filling device in the direction of the length of the cells, to fill the free space between the stacked anodes and the walls of each of said cells.
- a separate outlet duct is associated with each outlet orifice and serves to guide the flow of dust that flows into the corresponding cell.
- the conduit can be moved or deformed (telescopic conduit) so that its open end can be moved vertically.
- the method may further comprise the steps of: - providing, for each outlet duct, a valve adapted to close said duct, the valve having a closing time preferably less than
- FIGS. 1a and 1b are partial diagrammatic views in perspective of an anode baking installation, showing on the one hand (FIG. 1a) the filling device mounted on a bridge suspended on a traveling crane, and on the other hand part (Figure 1b) the oven with the cells;
- Figure 2 is a simplified view of the filling device of Figure 1a, seen from the rear;
- Figure 3 is a simplified side view of the filling device of Figure 1a;
- FIG. 4 is a schematic representation of the interior of the tank of a filling device according to the invention, the funnel having been cut in a substantially horizontal plane;
- Figure 5 partially shows the funnel of the reservoir of Figure 4, seen in section along the line AA;
- FIGS. ⁇ to 8 schematically illustrate three steps of the method of placing anodes in two adjacent cells
- FIG. 1a depicts an installation 1 for anode baking.
- the installation 1 comprises first of all a rotating fired furnace 2 comprising a plurality of chambers 3 arranged longitudinally (x axis), separated by longitudinal walls 4 and limited longitudinally by transverse walls 5.
- Each chamber 3 comprises a succession of heating partitions 6 inside which circulates the air and the combustion gases supplied by burners (not shown).
- the burners are mounted above the furnace 2 on a mobile system that a service machine moves progressively relative to the chambers 3 during the cooking cycle. Between two heating partitions 6 is defined a cell 7 intended to receive the anodes 8 of carbonaceous material for their cooking,
- the z-axis is defined as the upward vertical and the y-axis forming with z and x a direct orthogonal reference, the y-axis being parallel to the length of the cell 7.
- the cells 7 of a chamber 3 are regularly spaced from each other, the spacing d between two adjacent cells 7 (that is to say the longitudinal distance between the median transverse planes of the cells 7) being substantially constant.
- d may be of the order of about 1.5 m 5.
- the installation 1 also comprises a device for filling the cells 7.
- This device comprises a reservoir 9 comprising a substantially cylindrical body 10 disposed in the installation 1 so that its axis 11 m is substantially vertical.
- the upper end of the body 10 is closed by a dome 12, and in the lower part, the body 10 is extended by a lower portion of the funnel reservoir 9,
- the funnel 13 has a sidewall 14 converging from its open circular upper end to its open, oblong bottom end.
- the funnel 13 furthermore has a transverse wall that is substantially flat and orthogonal to the axis 11, forming a bottom 15 whose shape matches the oblong contour of the lower end of the lateral wall 14.
- the bottom 15 In the bottom 15 are formed two orifices 16 substantially circular and identical.
- the orifices 16 are each located near an end of the bottom 15, the line 17 joining the centers of the orifices 16 being substantially parallel to the direction of elongation of the bottom 15 and forming a median of said bottom 15.
- the funnel 13 has a plane of symmetry P1 orthogonal to the line 17.
- the line 17 is offset transversely with respect to the axis 11.
- the side wall 14 comprises a first part 18 substantially cone portion 30 of a cone and a second portion 19 also substantially in the form of a truncated cone portion, but with a larger apex angle.
- the side wall 14 has side edges forming with the vertical angles ⁇ 1 and ⁇ 2 different one of the other (see Figure 5).
- the side wall 14 has lateral edges 20, 20 'forming with the vertical angle ⁇ less than or equal to 50 ° (see Figure 2).
- one of the lateral edges 20 is inclined at an angle a and the other lateral edge 20 'is inclined at an angle a different from a, for questions of arrangement of the filling device and the traveling crane.
- the plane P1 is no longer a plane of symmetry of the lateral wall 14, but remains a plane of symmetry of the bottom 15.
- An outlet duct 21 is associated with each of the orifices l ⁇ .
- Each duct 21 is substantially rectilinear and extends vertically from the bottom 15 downwards to a lower end 22.
- the spacing D between the two lower ends 22 ducts 21 (here the spacing D between the two orifices l ⁇ ) is, in the illustrated case, substantially equal to the spacing d between two adjacent cells.
- Each duct 21 is provided with a separately controlled valve 23, for example of the electric double-pitch or pneumatic type, whose closing time is very short, for example less than 12 seconds.
- a sheath 24 is placed around the ducts 21 and connected to a dust extraction device 25 (see FIG. 3).
- the tank 9 equipped with its ducts 21 is mounted on a bridge 26, or more precisely is attached to a system of bridges integral with each other and placed at different levels of the reservoir, this bridge 26 is suspended from a carriage which moves along an overhead crane above the furnace 2, so that the tank can be moved along the x and y directions.
- the tank is fixed on the gateway so that the alignment direction 17 of its output ports is parallel to the y direction.
- the ducts 21 are retractable, for example telescopic, and can thus be moved in the z direction.
- the reservoir 9 is intended to contain a dust 27 and to dump it into the cells 7 as will be seen later. Its capacity is substantially identical to that of tanks of the prior art which have only one outlet duct. Congestion is therefore unchanged.
- On the catwalks 26 is also mounted a retractable tube 28, for example telescopic, dust recovery 27, having in the lower part a suction pipe 29 and in the upper part a discharge pipe 30 opening into the reservoir 9 at the level of dome 12.
- the method of placing the anodes 8 in the cells 7 of the furnace 3 with a view to their firing is described, with reference to FIGS. 6 to 8.
- the reservoir 9, containing dust 27, is brought above the cells 7 in which will take place cooking.
- the two ducts 21 are then facing two adjacent empty cells 7.
- the reservoir 9 is lowered so that the ducts 21 each enter a cell 7.
- the ends of the two ducts 21 are then moved vertically downwards (for example elongation in the case of two telescopic tubes) and each penetrate into a cell 7.
- the speed of the horizontal movement of the reservoir 9 is slow, of the order of 4 m / min.
- the valves 23 are open, and the dust 27 is discharged at the bottom of the cells 7 ( Figure 6).
- the symmetry of the funnel 13 with respect to the plane Pl makes it possible to ensure a good distribution of the dust 27 between the two orifices 16 and substantially identical flows.
- the flow rates of dust in the two ducts 21 are substantially identical, with a tolerance of about 10% on the difference between the two flows. This result is obtained even without providing any means of distribution in the reservoir 9, as illustrated in particular in FIG. distribution fins or central cone between the two orifices 16, etc.).
- the dust consisting essentially of carbon powder, makes it possible in particular to shelter the anodes from contact with the combustion gases which could cause oxidation losses and to separate the anodes in order to limit the risks of agglomeration or sticking of the anodes between they.
- the burner is moved near the cells containing anodes 8 and dust 27 and is cooked. When the cooking is complete, the burner is moved to other cells. After cooling, the dust 27 surrounding the cooked anodes 8 is sucked by the suction pipe 29 to the tank 9 via the discharge pipe 30. for later reuse. The cooked anodes 8 can then be evacuated.
- the tank 9 Since the tank 9 has substantially the same capacity as the tanks of the prior art provided with a single outlet duct, it must be filled more often. However, the invention remains advantageous because the filling time of the cells of a chamber is reduced (even if the speed of flow of the dust out of the reservoir is substantially identical to that of the tanks of the prior art), and the operation Filling is not the one that limits the rate of production.
- valves 23 it is possible by acting on the valves 23 to close one of the ducts 21 in order to fill only one cell at a time, although the advantage of the invention lies in the simultaneous filling several cells.
- Variants could consist of: making a spacing D between the ducts 21 equal to 2d or 3d, to allow the filling of one cell out of 2 or one cell out of 3; - Provide more than two orifices 16 on the reservoir 9, to allow simultaneous filling of 3 or more cells, for example adjacent. It goes without saying that the invention is not limited to the embodiment described above by way of example but that it encompasses all variants.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrolytic Production Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2006290631A AU2006290631A1 (en) | 2005-09-12 | 2006-09-07 | Device for filling pulverized coal, anode firing and method for setting anodes in a furnace |
| EP06808086A EP1924813A2 (fr) | 2005-09-12 | 2006-09-07 | Dispositif de remplissage de poussier, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four |
| US12/064,139 US20080193889A1 (en) | 2005-09-12 | 2006-09-07 | Device for Filling Pulverized Coal, Anode Firing and Method for Setting Anodes in a Furnace |
| CA002620111A CA2620111A1 (fr) | 2005-09-12 | 2006-09-07 | Dispositif de remplissage de poussier, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0509270 | 2005-09-12 | ||
| FR0509270A FR2890661B1 (fr) | 2005-09-12 | 2005-09-12 | Reservoir de poussier utilise pour la cuisson d'anodes, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2007031624A2 true WO2007031624A2 (fr) | 2007-03-22 |
| WO2007031624A3 WO2007031624A3 (fr) | 2007-10-11 |
Family
ID=36591249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2006/002060 Ceased WO2007031624A2 (fr) | 2005-09-12 | 2006-09-07 | Dispositif de remplissage de poussier, installation de cuisson d'anodes et procede de mise en place d'anodes dans un four |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20080193889A1 (fr) |
| EP (1) | EP1924813A2 (fr) |
| CN (1) | CN101268327A (fr) |
| AU (1) | AU2006290631A1 (fr) |
| CA (1) | CA2620111A1 (fr) |
| FR (1) | FR2890661B1 (fr) |
| RU (1) | RU2008114403A (fr) |
| WO (1) | WO2007031624A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563153A (zh) * | 2013-10-22 | 2015-04-29 | 五冶集团上海有限公司 | 一种竖式套筒窑底座安装方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135380B (zh) * | 2011-03-10 | 2012-10-31 | 伊川龙海科技实业有限公司 | 一种焙烧碳块立式装炉的方法及其装炉模具 |
| CN102955443B (zh) * | 2011-08-30 | 2015-07-22 | 沈阳铝镁设计研究院有限公司 | 阳极运输车与焙烧天车的连锁系统和连锁控制方法 |
| CN103134327B (zh) * | 2011-11-22 | 2014-10-29 | 沈阳铝镁设计研究院有限公司 | 敞开式焙烧炉填充料装填方法 |
| AU352633S (en) * | 2013-10-31 | 2013-12-03 | Schenck Process Australia Pty Ltd | Surge bin |
| AU352632S (en) * | 2013-10-31 | 2013-12-03 | Schenck Process Australia Pty Ltd | Surge bin |
| FR3014911B1 (fr) * | 2013-12-17 | 2016-01-01 | Ecl | Chariot et machine pour l'exploitation d'un four dans une installation de cuisson d'anodes |
| CN112707170A (zh) * | 2019-10-24 | 2021-04-27 | 重庆锦旗碳素有限公司 | 一种碳块填料吸附装置 |
| FR3135089A1 (fr) * | 2022-04-27 | 2023-11-03 | Fives Ecl | Unité de remplissage de coke de pétrole et procédé de remplissage |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE510872C (de) * | 1930-10-24 | Bornkessel & Co M B H | Einrichtung an Trennwaenden fuer keramische OEfen mit Fuellraeumen fuer Sand | |
| FR534049A (fr) * | 1915-03-22 | 1922-03-16 | Procédé et four pour la cuisson de corps contenant du goudron | |
| US2789336A (en) * | 1954-09-10 | 1957-04-23 | Colon E Shealy | Concrete form filling machine |
| GB1018273A (en) * | 1963-05-22 | 1966-01-26 | James Downing Baker | Improvements in or relating to bins |
| US4027787A (en) * | 1976-02-05 | 1977-06-07 | Marcel Bibeau | Shipping container |
| CH651380A5 (de) * | 1980-08-15 | 1985-09-13 | Alusuisse | Offener ringkammerofen fuer die herstellung von kohlenstoffhaltigen formkoerpern und verfahren zu dessen betrieb. |
| DE3520536C3 (de) * | 1985-06-07 | 1993-12-02 | Ajo Anlagentechnik Gmbh & Co K | Großraumsilo für Schüttgüter |
| US5080259A (en) * | 1991-01-03 | 1992-01-14 | Robert Hadley | Portable container with automatic discharge capability |
| JP3236360B2 (ja) * | 1992-09-04 | 2001-12-10 | シーシーエイ株式会社 | 粉粒体の供給吸引除去装置、及び粉粒体の供給吸引除去装置を用いた模様入り成形体の製造方法 |
| US5494197A (en) * | 1994-07-27 | 1996-02-27 | Saranac Tank, Inc. | Material handling device for electroplating applications |
| DE4434424C1 (de) * | 1994-09-27 | 1995-10-26 | Norbert Kraemer | Vorrichtung zum gleichmäßigen Befüllen von Containern mit losem Schüttgut |
| US5683631A (en) * | 1995-09-11 | 1997-11-04 | Zabreznik; Rodney D. | Carbonaceous packing material for prebaked anode maufacture in open pit ring furnaces |
| US6098851A (en) * | 1999-03-01 | 2000-08-08 | Bulk Materials International, Inc. | Handling system for agglomerable materials |
| CH695870A5 (de) * | 2002-09-23 | 2006-09-29 | R & D Carbon Ltd | Optimierung der Pechdampfverbrennung in einem Brennofen für Kohlenstoffelektroden. |
| US7104789B1 (en) * | 2005-03-17 | 2006-09-12 | Harbison-Walker Refractories Company | Wall structure for carbon baking furnace |
-
2005
- 2005-09-12 FR FR0509270A patent/FR2890661B1/fr not_active Expired - Fee Related
-
2006
- 2006-09-07 WO PCT/FR2006/002060 patent/WO2007031624A2/fr not_active Ceased
- 2006-09-07 CN CNA2006800332871A patent/CN101268327A/zh active Pending
- 2006-09-07 RU RU2008114403/02A patent/RU2008114403A/ru not_active Application Discontinuation
- 2006-09-07 EP EP06808086A patent/EP1924813A2/fr not_active Withdrawn
- 2006-09-07 AU AU2006290631A patent/AU2006290631A1/en not_active Abandoned
- 2006-09-07 US US12/064,139 patent/US20080193889A1/en not_active Abandoned
- 2006-09-07 CA CA002620111A patent/CA2620111A1/fr not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563153A (zh) * | 2013-10-22 | 2015-04-29 | 五冶集团上海有限公司 | 一种竖式套筒窑底座安装方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2890661A1 (fr) | 2007-03-16 |
| AU2006290631A1 (en) | 2007-03-22 |
| RU2008114403A (ru) | 2009-10-20 |
| EP1924813A2 (fr) | 2008-05-28 |
| WO2007031624A3 (fr) | 2007-10-11 |
| FR2890661B1 (fr) | 2007-11-09 |
| US20080193889A1 (en) | 2008-08-14 |
| CA2620111A1 (fr) | 2007-03-22 |
| CN101268327A (zh) | 2008-09-17 |
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