EP1743131B1 - Systeme de refroidissement de produits en vrac, pour refroidir un produit chaud devant etre refroidi - Google Patents

Systeme de refroidissement de produits en vrac, pour refroidir un produit chaud devant etre refroidi Download PDF

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Publication number
EP1743131B1
EP1743131B1 EP05739685A EP05739685A EP1743131B1 EP 1743131 B1 EP1743131 B1 EP 1743131B1 EP 05739685 A EP05739685 A EP 05739685A EP 05739685 A EP05739685 A EP 05739685A EP 1743131 B1 EP1743131 B1 EP 1743131B1
Authority
EP
European Patent Office
Prior art keywords
modules
cooling
grate
cooling grate
bulk material
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.)
Not-in-force
Application number
EP05739685A
Other languages
German (de)
English (en)
Other versions
EP1743131A1 (fr
Inventor
Christian Splinter
Karl Schinke
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.)
KHD Humboldt Wedag AG
Original Assignee
KHD Humboldt Wedag 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 KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Priority to PL05739685T priority Critical patent/PL1743131T3/pl
Publication of EP1743131A1 publication Critical patent/EP1743131A1/fr
Application granted granted Critical
Publication of EP1743131B1 publication Critical patent/EP1743131B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • 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
    • F27B7/38—Arrangements of cooling devices
    • 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
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
    • 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
    • F27D19/00—Arrangements of controlling devices
    • 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
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
    • F27D2015/0226—Support, fixation of the grate
    • 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
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
    • F27D2015/0233—Cooling with means to convey the charge comprising a cooling grate grate plates with gas, e.g. air, supply to the grate

Definitions

  • the invention relates to a bulk material cooler with a cooled goods to be cooled such.
  • Grate coolers are used in the stone and earth industry to the previously burned in an oven good such. As cement clinker or other mineral goods immediately afterwards cool down strongly on the cooling grate.
  • the grate cooler is particularly widespread, in which the grate system consists of a plurality of alternately stationary and movable grate plate carriers, on each of which several grate plates provided with cooling air openings and substantially flowed from bottom to top of the grate air are mounted , Stationary grate plate rows alternate with reciprocating grate plate rows as seen in the conveying direction, which are fastened via their corresponding reciprocating grate plate carriers to one or more longitudinally movably mounted driven push frames. Due to the common oscillating movement of all moving rows of grate plates, the hot material to be cooled is transported in batches and thereby cooled.
  • the delivery rate is decisively influenced by the difference between the cement clinker volume moved in each advance stroke in the conveying direction and the clinker volume which is undesirably moved counter to the conveying direction during the return stroke.
  • the crossbar-shaped pushers are mounted on the top of vertical longitudinally oriented in the radiator longitudinal direction drive plates extending through corresponding longitudinal slots of the cooling grate and are driven from below the grate, where it is relatively expensive to load the refrigerated grate loaded with refrigerated goods to the To seal passage points of the drive plates against rust diarrhea while keeping the material wear occurring within limits.
  • a high bulk material bed should form, which fills the entire cooling tunnel cross-section, so that the cooling gas flows through the stepwise moving bulk material in countercurrent.
  • the bottom elements themselves remain uncooled by the cooling gas, so that the known cooling tunnel would not be suitable to cool from the discharge end of a rotary kiln falling red hot cement clinker.
  • the invention has the object of providing a working according to the "walking floor” conveying principle bulk material cooler especially for hot cement clinker so that its cooling grid to achieve long lengths and widths of the cooler from a variety of easy and variably mountable ventilated cooling grate modules assembled is, in their movement between a Vorhubposition and rubhubposition even side and / or height offset of the guide elements is kinematically compensated.
  • the cooling grid over the length and across the width of the radiator is composed of a plurality of modules, wherein the arranged indeguttransport therapies one behind the other in a row modules are hinged together.
  • the adjacent cooling grid module longitudinal rows are controlled independently of each other between a Vorhubposition inchenguttransportides and a rubhubposition so movable that the goods to be cooled is promoted stepwise on the walking floor conveying principle on the cooling grid.
  • the cooling grate assembled in this way is permeable to the cooling air, which flows through the cooling grate and the bulk material bed mounted thereon in cross-flow from bottom to top, ie the airfoils of the cooling grate modules simultaneously serve as bulk material transport and cooling grate ventilation elements.
  • the modules are moved together in their Vorhubterrorism forward, but not moved together in their return stroke, but in at least two groups in at least two successive steps in succession, in which each only a part of the modules, eg. B. in each case only every second row of cooling grid modules seen is moved back across the radiator width.
  • the modules of a row under the resting bulk bed are controlled so retracted that the bed of bulk material remains at rest and does not participate in the return stroke movement.
  • each module carriage is supported on its own support wheels on corresponding guides.
  • the coupling between the support modules and the connection modules mounted on both sides takes place via a joint, in particular a ball joint or universal joint.
  • the saddle connection modules can compensate for side and / or height offset of the support modules due to their articulated coupling. Apart from the saving of support rollers and axles in the connection modules while the alignment accuracy is reduced during assembly of the bulk material cooler according to the invention, resulting in a comparatively low total assembly costs. Finally, the amount of resultant unwanted lateral guide forces of the moving support modules is kept small when inventively constructed bulk material cooler, which by a large center distance can be further reduced in the support rollers of the support modules.
  • both the support modules together with the longitudinally movable base frame and the connecting modules each consist of a unit preassembled in the workshop, these units simply being in the cooling grid or cooling grid on site the installation of the grate cooler are installed.
  • the support rollers, on which the base of the support modules is supported, are guided on rails.
  • the support rollers of the support modules may also be so-called combination rollers, which are radially and axially supported and guided in guide rails with U-profile, d. H. equipped with a roller bearing axial guidance.
  • the support modules can also be supported on linear roller bearings or roller conveyors as well as plain bearings or pendulum arms.
  • the coupling joints of the support modules for the saddle connection modules seen inambaguttransport exercises are advantageously arranged in the region between the front and rear support rollers of the support modules.
  • the support modules can not be tipped by the load of the coupled saddle connection modules, because the support forces from the connection modules always act between the support rollers of the support modules.
  • the drive of the support modules for their forward and backward movement is preferably carried out so that the moving module longitudinal rows and their joints are claimed only on train as possible.
  • the bulk material cooler according to the invention is also advantageously used when pressure is applied to the module longitudinal row.
  • Another advantage of the invention lies in the symmetrical design of the modules. This ensures the similarity of the kinematics during forward and return stroke.
  • the lateral executives are proportionally equal to the tensile and / or compressive forces.
  • the statements on the lateral executives can also be transferred to the vertical support forces.
  • the relieving of the modules to the lifting of a bearing by an uneven vertical module load that would be possible in a module type on the type of railway cars is excluded in a combination of support modules with saddle connection modules.
  • a further influence on the wheel loads is the introduction of force of approximately horizontal feed force in the driven modules.
  • each cooling grid module longitudinal row of which in FIG. 1 a longitudinal row can be seen, is alternately composed of support rollers 11, 12 supported on both sides support modules 13 and 14 of compound modules, which latter are saddled without their own support rollers on the support modules 13.
  • the tops of all modules 13, 14 each consist of spaced apart mirror image opposite, but staggered V-profiles arranged offset to one another, whose V-legs intermesh with space, which latter forms a labyrinth for the refrigerated goods and for the cooling air 18 ,
  • Rost Rost resumes it is possible to arrange at a distance below the grate surface of all modules 13, 14 a closed the rust diarrhea preventing soil.
  • the cooling grate modules are not chamber-ventilated, but series-ventilated.
  • the support rollers 11, 12 of the support modules 13 are supported on guide rails 19, 20 of the substructure of the grate cooler. But it can also be in kinematic reversal, the undersides of the support modules 13 roll on stationary support rollers.
  • the coupling between the support modules 13 and the connection modules 14 mounted on both sides takes place in each case via a joint 21, 22, preferably a ball joint or universal joint.
  • the required alignment accuracy in the guide rails 19, 20 and support rollers 11, 12 is not particularly high, because at a lateral and / or vertical offset of these components, the cooling grid module row of FIG. 1 in the FIG. 2 can take schematically represented configuration or kinematics.
  • FIG. 3 enlarged cut out along the line AA the FIG. 1 shows the base of a support module 13, which are supported on the guide rails 20 and 19 via four support rollers, of which the two support rollers 12 can be seen.
  • the support modules 13 On their upper side, the support modules 13 on both sides of a universal joint 22 and 21, with which the connection module 14 is saddled on the support module.
  • the lateral guides 23 prevent lateral guides 23 in the joint plane a transverse inclination of the saddle mounted connection modules 14. That is, the lateral guides 23 are designed so that only the degree of freedom that would allow lateral tilting of the modules is turned off. This can be achieved for example by a spherical shape of the guides and a surface with a low coefficient of friction.
  • These guides also serve to support the weight of the semi-mounted modules.
  • Both the support modules 13 together with the longitudinally displaceable subframe supporting them as well as the connection modules 14 can each consist of a unit preassembled in the workshop, these units being installed in the cooling grate or as cooling grate at the place of installation of the grate cooler with comparatively low assembly costs ,
  • support rollers 12 can also be used combination wheels, in comparison to FIG. 3 90 ° tilted guide rails with U-profile radially and axially supported and guided, ie the combination rollers have their own rolling elements in the axis area for axial guidance of the rollers.
  • FIG. 7 is such a combination roller drawn out enlarged, run the support roller 12 for radial support and the rolling elements 12a at the axis end for axial support in the U-profile 20a.
  • the coupling joints 21, 22 of the support modules 13 for the saddle mounted connection modules 14 are arranged indiumguttransportses respectively in the area between the front and rear support rollers 11 and 12 of the support modules 13, so that the supporting forces from the connection modules 14 always between the support rollers of the support modules 13 act.
  • the forward and backward movement of the respective adjacent cooling grid module rows can be carried out from below the cooling grate by working cylinder, which expediently engage one or more of the support modules 13. Viewed across the width of the grate cooler can be assembled per cooling grate module more adjacent elongated cooling grate tracks to the preassembled unit whose individual cooling grate tracks are independently movable between the Vorhubposition and therasthubposition.
  • FIG. 1 It can also be seen that the hot cement clinker 17 to be cooled, as it falls from the end of a rotary kiln, is first transferred via a static, non-moving roughing 24 to a reciprocating end piece 25, which is articulated on the front side of the first support module 13 is saddled up. To the last support module 13, an end module 26 may be coupled, via which the cooled cement clinker is fed to a roll crusher 27.
  • the cooling grid module row has an extended end module 26 saddle-mounted on one side.
  • the first end module 25a is not saddled up, but like a support module supported by support rollers on a guide.
  • FIG. 6 In the embodiment of FIG. 6 are the support modules 13a, 13b etc. formed comparatively short without its own cooling grid. The joints 21, 22 of these support elements are relatively close together.
  • FIGS. 1 . 4, 5 and 6 Variants shown can be combined with each other.
  • the tops of all modules carrying the goods to be refrigerated 17 are designed, for example, as trough-shaped so that they retain the lowermost layer of bulk material for avoiding relative movement of this lowermost material layer and the respective module top, which contributes to the autogenous wear protection of all the cooling grate modules 13, 14.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing Of Solid Wastes (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Silicon Compounds (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Pyrane Compounds (AREA)

Claims (9)

  1. Système de refroidissement de produits en vrac avec une grille de refroidissement portant le produit à refroidir (17), comme par exemple du clinker de ciment chaud, qui transporte le produit à refroidir traversé par un gaz de refroidissement (18) depuis une extrémité d'entrée du produit à refroidir jusqu'à une extrémité de sortie du produit à refroidir, caractérisé par les caractéristiques suivantes:
    a) vue sur la longueur et sur la largeur du système de refroidissement, la grille de refroidissement est composée d'une pluralité de modules (13, 14), dans lesquels les modules (13, 14) disposés chaque fois en une rangée l'un derrière l'autre dans la direction de transport (10) du produit à refroidir sont couplés l'un à l'autre;
    b) le couplage des modules (13, 14) de grille de refroidissement de chaque rangée longitudinale de modules de grille de refroidissement est chaque fois réalisé au moyen d'une articulation (21, 22);
    c) au moins une partie des modules (13, 14) de grille de refroidissement sont supportés sur des guides (19, 20) au moyen de rouleaux d'appui (11, 12);
    d) les rangées longitudinales de modules de grille de refroidissement situées l'une à côté de l'autre peuvent être déplacées par une commande indépendante l'une de l'autre entre une position d'avance (15) dans la direction de transport du produit à refroidir et une position de recul (16), de telle manière que le produit à refroidir (17) soit transporté pas à pas par la grille de refroidissement selon le principe du transport à sole marchante.
  2. Système de refroidissement de produits en vrac selon la revendication 1, caractérisé en ce que chaque rangée longitudinale de modules de grille de refroidissement avec les modules couplés disposés l'un derrière l'autre dans la direction de transport du produit à refroidir est composée en alternance de modules de transport (13) supportés sur des rouleaux d'appui (11, 12) et de modules de liaison (14), dans lequel ces derniers sont attelés aux modules de transport (13) sans rouleaux d'appui propres.
  3. Système de refroidissement de produits en vrac selon la revendication 1 ou 2, caractérisé en ce qu'aussi bien les modules de transport (13) avec leur châssis de support respectif mobile en direction longitudinale que les modules de liaison (14) se composent chaque fois d'une unité préassemblée, dans lequel ces unités peuvent être incorporées dans la grille de refroidissement ou comme grille de refroidissement sur le site de l'installation du système de refroidissement à grille.
  4. Système de refroidissement de produits en vrac selon les revendications 2 ou 3, caractérisé en ce que les rouleaux d'appui (11, 12), sur lesquels le châssis des modules de transport (13) est supporté, sont guidés sur des rails (19, 20).
  5. Système de refroidissement de produits en vrac selon la revendication 4, caractérisé en ce que les rouleaux d'appui sont des rouleaux combinés (12, 12a), qui sont supportés et guidés radialement et axialement dans des rails de guidage à profil en U (20a) (Fig. 7).
  6. Système de refroidissement de produits en vrac selon les revendications 1 ou 2, caractérisé en de que les articulations (21, 22) entre les modules de transport (13) et les modules de liaison attelés (14) sont des articulations à rotule ou des articulations à cardan.
  7. Système de refroidissement de produits en vrac selon les revendications 1, 2 ou 6, caractérisé en ce que les articulations de couplage (21, 22) des modules de transport (13) pour les modules de liaison attelés (14) sont disposées chaque fois dans la région située entre les rouleaux d'appui avant et arrière (11, 12) des modules de transport (13).
  8. Système de refroidissement de produits en vrac selon l'une quelconque des revendications 1 à 7, caractérisé en ce que, vues sur la largeur du système de refroidissement, plusieurs lignes de grille de refroidissement allongées situées l'une à côté de l'autre par module de grille de refroidissement sont assemblées en une unité préassemblée, dont les lignes de grille de refroidissement individuelles sont mobiles indépendamment l'une de l'autre entre la position d'avance (15) et la position de recul (16).
  9. Système de refroidissement de produits en vrac selon les revendications 1, 2 ou 8, caractérisé en ce que l'entraînement des modules de transport (13) vers leur mouvement d'avance et de recul (15, 16) est effectué de telle manière que les rangées longitudinales de modules déplacées et leurs liaisons articulées ne soient sollicitées qu'en traction.
EP05739685A 2004-05-07 2005-05-03 Systeme de refroidissement de produits en vrac, pour refroidir un produit chaud devant etre refroidi Not-in-force EP1743131B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05739685T PL1743131T3 (pl) 2004-05-07 2005-05-03 Chłodnik materiałów sypkich do schładzania gorącego materiału przeznaczonego do schłodzenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022754A DE102004022754A1 (de) 2004-05-07 2004-05-07 Schüttgutkühler zum Kühlen von heissem Kühlgut
PCT/EP2005/004761 WO2005114080A1 (fr) 2004-05-07 2005-05-03 Systeme de refroidissement de produits en vrac, pour refroidir un produit chaud devant etre refroidi

Publications (2)

Publication Number Publication Date
EP1743131A1 EP1743131A1 (fr) 2007-01-17
EP1743131B1 true EP1743131B1 (fr) 2009-09-02

Family

ID=34966984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739685A Not-in-force EP1743131B1 (fr) 2004-05-07 2005-05-03 Systeme de refroidissement de produits en vrac, pour refroidir un produit chaud devant etre refroidi

Country Status (14)

Country Link
US (1) US7708556B2 (fr)
EP (1) EP1743131B1 (fr)
JP (1) JP5009150B2 (fr)
CN (1) CN1981174B (fr)
AT (1) ATE441825T1 (fr)
BR (1) BRPI0510605A (fr)
DE (2) DE102004022754A1 (fr)
DK (1) DK1743131T3 (fr)
ES (1) ES2333135T3 (fr)
MX (1) MXPA06012681A (fr)
NO (1) NO20065623L (fr)
PL (1) PL1743131T3 (fr)
RU (1) RU2397419C2 (fr)
WO (1) WO2005114080A1 (fr)

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DE102011080998B4 (de) * 2011-08-16 2016-07-14 IKN GmbH Ingenieurbüro-Kühlerbau-Neustadt Kühlrost und Rostsegment zum Kühlen von Zementklinker
DE102014005748B3 (de) * 2014-04-17 2015-06-03 Khd Humboldt Wedag Gmbh Verfahren und Vorrichtung zum Kühlen und Zerkleinern von heißem Zementklinker
DK3112786T4 (da) 2015-07-03 2021-04-26 Alite Gmbh Klinkerindløbsfordeling for en cementklinkerkøler
CN104964571A (zh) * 2015-07-08 2015-10-07 安徽新中远化工科技有限公司 一种硫酸铁渣热能资源利用系统
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JPH07228183A (ja) * 1994-02-17 1995-08-29 Showa Aircraft Ind Co Ltd コンテナや車輌荷台用の荷役方法および荷役装置
JP2562416B2 (ja) * 1994-05-13 1996-12-11 小野田エンジニアリング株式会社 グレート装置及びそれによるクリンカクーラ
JPH08319142A (ja) * 1995-05-25 1996-12-03 Chichibu Onoda Cement Corp 焼塊冷却装置
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DE10355822B4 (de) * 2003-11-28 2013-06-13 Khd Humboldt Wedag Gmbh Schüttgutkühler zum Kühlen von heißem Kühlgut

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DE202012005978U1 (de) 2012-06-19 2012-07-11 Khd Humboldt Wedag Gmbh Schubboden eines Schubbodenkühlers

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US20070259298A1 (en) 2007-11-08
RU2397419C2 (ru) 2010-08-20
ES2333135T3 (es) 2010-02-17
JP5009150B2 (ja) 2012-08-22
PL1743131T3 (pl) 2010-02-26
RU2006143210A (ru) 2008-06-20
EP1743131A1 (fr) 2007-01-17
US7708556B2 (en) 2010-05-04
BRPI0510605A (pt) 2007-10-30
JP2007536494A (ja) 2007-12-13
ATE441825T1 (de) 2009-09-15
NO20065623L (no) 2006-12-06
DE102004022754A1 (de) 2005-12-01
MXPA06012681A (es) 2007-02-14
DK1743131T3 (da) 2010-01-04
DE502005008050D1 (de) 2009-10-15
WO2005114080A1 (fr) 2005-12-01
CN1981174A (zh) 2007-06-13
CN1981174B (zh) 2010-06-23

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