EP1373818A1 - Procede et dispositif pour traiter un produit en vrac - Google Patents

Procede et dispositif pour traiter un produit en vrac

Info

Publication number
EP1373818A1
EP1373818A1 EP02730030A EP02730030A EP1373818A1 EP 1373818 A1 EP1373818 A1 EP 1373818A1 EP 02730030 A EP02730030 A EP 02730030A EP 02730030 A EP02730030 A EP 02730030A EP 1373818 A1 EP1373818 A1 EP 1373818A1
Authority
EP
European Patent Office
Prior art keywords
support plate
layer
stroke
grate
return stroke
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
EP02730030A
Other languages
German (de)
English (en)
Other versions
EP1373818B1 (fr
Inventor
Hartmut Meyer
Thomas Staak
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.)
Claudius Peters Technologies GmbH
Original Assignee
Claudius Peters Technologies 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 Claudius Peters Technologies GmbH filed Critical Claudius Peters Technologies GmbH
Priority to DK02730030T priority Critical patent/DK1373818T3/da
Publication of EP1373818A1 publication Critical patent/EP1373818A1/fr
Application granted granted Critical
Publication of EP1373818B1 publication Critical patent/EP1373818B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/26—Cooling of roasted, sintered, or agglomerated ores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H11/00—Travelling-grates
    • F23H11/18—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00—Other direct-contact heat-exchange apparatus
    • F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
    • F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
    • F28C3/16—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material forming a bed, e.g. fluidised, on vibratory sieves
    • 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

Definitions

  • Another known type of grate uses a stationary, air-permeable support base, over which the material layer is moved by means of scratches which move continuously in the conveying direction or reciprocating thrust elements (EP-A-718 578, WO00 / 31483).
  • Yet another type of cooler uses a moving grate which moves continuously in an endless loop (DE-A 1 953 415). In all cases, efforts are made to recover the heat transferred from the goods to be cooled to the cooling gas as far as possible. Regardless of the type of cooler heat recovery has reached a relatively high level.
  • the improvement in heat recovery is based on the lower vertical mixing of the material bed.
  • the material in the bottom layer cools down first, while the material further up maintains a high temperature.
  • the gas therefore leaves the material layer after it has been in contact with the layer with the highest temperature and has reached its temperature.
  • the conveying movement ensures that vertical mixing of the refrigerated goods assumes an average temperature.
  • the gas therefore leaves the material layer at a correspondingly lower temperature.
  • the method is not used for heat exchange, but for mass transfer, for example for drying, or if the gas is not led from bottom to top but vice versa through the material layer.
  • the conveying principle to be used according to the invention is known in so-called push car feeders. These are conveyors, which are mainly used for the dosing of bulk goods from containers (DE-B-12 54 071). It could not be assumed that the application of this principle would lead to advantages in heat or mass transfer. On the contrary, the lack of, or very little, mixing of the material bed was felt to be a defect, because it enables the material bed to gain an internal cohesion that questions the even discharge from the end of the conveyor (DE-A-34 21 432) ). In the context of the invention, this supposed disadvantage turns out to be advantageous because the cohesion of the layer makes it more difficult to break out part of the layer under the dynamic force acting on the return stroke and thereby enables a longer support plate length.
  • the stroke is not limited by the dimensions of the grate plates, as is the case with sliding gratings, it can be dimensioned much larger than is usual with sliding gratings.
  • This increases the conveying effectiveness with a possibly lower number of strokes, which is preferably less than 20, more preferably less than 15 and preferably less than 10 min -1 on average. It is usually about half the size of that of sliding grids.
  • the feature that the stroke frequency is chosen so low that there is essentially no vertical mixing of the good layer, the invention distinguishes it from such known methods in which the base carrying the good layer moves (vibrates) so quickly and possibly also with a vertical component ) is that this means that the material also gets into a vibration that promotes the vertical relative movement of the particles. Rather, the material layer should rest on the grate during the forward stroke and essentially also during the return stroke.
  • the invention does not require that there is no vertical mixing of the good layer at all. It is easy to see, however, that when using the mentioned conveying principle, the internal mixing of the material layer is considerably less than with the conveying principles previously used for cooling gratings.
  • the return stroke speed is expediently greater than the advance stroke speed because only the advance stroke causes an effective conveying.
  • An important feature can be the use of a return stroke acceleration that is greater than the advance stroke acceleration.
  • the greater the acceleration of the return stroke the easier the adhesion between the support plate and the material bed is loosened, and the less the back pressure which has to be applied at the end of the material layer to hold it in place.
  • the acceleration of the return stroke should always remain below the acceleration of the release of the adhesive, because otherwise there is a risk that the layer of material will be loosened and mixed internally by violent movement.
  • the acceleration of adhesive release is the acceleration at which the force of the good layer becomes greater than the static friction and consequently the layer no longer follows the return movement. Nevertheless, the mass effect can help to solve the adhesion between the goods and the support plate during the return stroke. For example, it may be expedient to increase the acceleration of the return stroke to more than a third of the acceleration of the release solution.
  • the treatment gas is expediently allowed to flow through the grate and the material layer from bottom to top, because this makes the adhesive solution easier.
  • the contact force of the material bed decreases according to the pressure difference of the gas flow.
  • the gas flow can cause a certain loosening of the boundary layer when it passes from the support plate into the material bed. Since it is desirable to facilitate the adhesive solution during the re-acceleration phase, it may be advantageous to keep the speed or the pressure of the treatment gas greater during the re-acceleration and / or during the entire re-stroke than during the pre-stroke.
  • the support plate is expediently sealed on the sides with respect to the housing in order to largely rule out the failure of fine material.
  • a seal is particularly important when the treatment air is pressed with overpressure from stationary chambers below the grate into the openings of the grate which is open on the underside, so that as little gas loss as possible occurs at the side edges of the grate.
  • Corresponding points of view apply to the sealing of the support plate at its end of delivery or delivery.
  • the sealing on the feed side is expediently made by a seal that overlaps the support plate and is pressed on its upper side
  • Sealing plate formed. Due to the fact that the sealing plate slides on the upper side of the support plate essentially without a gap, the passage of gas at this point is excluded or kept low.
  • the sealing plate can be pressed onto the upper side of the support plate by a resilient force, in particular a spring. If a small gap can be tolerated instead of the absence of gaps, it is also possible to mount the sealing plate firmly at a short distance above the support plate. Since there are high temperatures at the end of the task, it is advisable not only the support plate, but also the
  • a support plate has a very long length compared to the grate plates of a chill grate cooler, namely at least several meters.
  • the entire cooling grate can be formed by a uniform support plate. If there are reasons to limit the length of a support plate (for example to the order of 5 to 10 m) and a larger overall length of the grate is required, several support plates can be arranged one behind the other, which either cooperate with a common storage device at the end of the task or each with a special associated stowage device.
  • the support plate is usually arranged approximately horizontally. Depending on the conveying conditions, in particular the flow and friction properties of the material, one can also move in the conveying direction weakly rising or falling order can be selected.
  • An advantage of the invention is that less dust is generated by the reduced material movement and is fed into the furnace with the secondary air than in known coolers. On the one hand, this means that the furnace can be operated more effectively because the heat transfer between the flame and the fired material is not reduced by dust, and on the other hand, the effort for dedusting the exhaust air is reduced.
  • Another advantage of the invention is that the entire airfoil is available for the supply of cooling air and cooling, while in the case of moving grate coolers and sliding beam coolers, in principle some areas are excluded from the supply of cooling air.
  • Another advantage of the invention is that the layer height is not subject to the limitation that must be observed in conventional coolers. A larger layer thickness favors heat recovery.
  • an advantage of the invention is that, owing to the lack of internal movement of the goods, the occurrence of liquid-like conditions in a part of the goods occurs less easily. This phenomenon is feared in known coolers because it leads to the fact that a flow of fine material which is in a liquid-like state shoots through a substantial part of the cooler length practically uncooled. Since the discharge of the material from a rotary kiln is associated with a grain size separation, this phenomenon occurs mainly on that side of the cooler, on which a larger fine fraction is to be expected as a result of this separation.
  • the grate used according to the invention opens up the possibility of taking passive or active precautions against the occurrence of such undesirable movement of easily flowing material.
  • Passive precautions consist of means that inhibit the movement of the goods on the grate in the conveying direction, for example projections protruding from the support plate.
  • projections are suitable, which mainly extend transversely to the conveying direction in the form of walls or strips or the like. Since the material flow mentioned occurs predominantly in the edge region of the grate, such flow obstacles can also protrude from the side wall into the material bed. Flow obstacles protruding from a stationary side wall can be used in particular if they are arranged above the normal layer height and therefore prevent the flow of material through when this takes place on the surface of the layer already resting on the support plate.
  • Active precautions can be formed by such flow obstacles, which are moved from case to case from the support plate or the moving or unmoved side wall from an inactive position into the area of the material flow to be prevented into an active position and can then be withdrawn again. They can also continuously protrude more or less far into the layer, the width of their intervention, ie their height or length, being controlled depending on the respective condition of the bed. It is known to use scanners to measure the surface temperature of the bed and to determine its temperature profile. If a rapid, hot material flow occurs in or on the bed, this can be seen in the temperature profile. On the basis of such a determination, the flow obstacle or the flow obstacles can be controlled.
  • a flow obstacle is only to be effective in the upper region of the good layer, it can also be lowered onto or into the layer from above.
  • the flow resistance is greater in those width regions of the layer in which the layer contains a larger proportion of fines than in coarse-grained regions. According to the invention, this can be compensated for by driving the cooler in the fine-grained width ranges with a smaller layer thickness.
  • the support plate can be arranged somewhat higher in these areas than in the coarse-grained areas. Since the fine-grained areas are generally on the edge, this results in an inclination in the transverse profile of the support plate from the fine-grained side to the center. If, due to the separation of the material in the cooler feed area, a larger proportion of fine material must be expected at both grate edges, the support plate height is allowed to drop from both sides in a V-shape towards the center. If the fine good proportion occurs only or predominantly on one of the two edges, a correspondingly asymmetrical inclination is sufficient.
  • the reliable conveying operation depends on the fact that the material bed is carried along by the carrier plate during the forward stroke and that the carrier plate slides under the material bed during the return stroke.
  • the entrainment of the material bed during the forward stroke is caused by the friction between the material bed and the support plate.
  • the sliding of the support plate relative to the material bed during the return stroke depends on the frictional engagement between the material bed and the support plate being overcome by opposing forces. These counteracting forces include primarily the backlog resistance that the end of the task in the area of
  • Well-arranged stowage device exercises It may be expedient to provide further devices which likewise exert a resistance on the material layer when the support plate moves back, or which reduce the frictional engagement between the material bed and the support plate in this movement phase.
  • a device can be provided to increase the gas pressure acting on the good layer in the support plate or from the underside during the return stroke compared to the preliminary stroke. The friction-generating force with which the good bed rests on the support plate is then reduced on the return stroke in accordance with the pressure difference. Also diminished a strong gas supply during the return stroke the coefficient of friction between the goods and the support plate.
  • the invention provides the possibility of providing links connected to the support plate which engage less (preferably not at all) during the return stroke and engage more strongly in the material bed during the forward stroke.
  • the resistance to movement that the material bed finds on the return stroke can also be increased in that the support plate is provided with side walls delimiting the material bed, the clearance between which increases in the conveying direction or narrows in the opposite direction. If these side walls are connected to the support plate, they reduce the frictional connection between the material bed and the walls during the return stroke of the support plate.
  • Means can also be provided which increase the frictional engagement between the material bed and stationary parts of the device during the return stroke compared to the preliminary stroke.
  • These include holding members connected to the fixed structure of the device, which engage more strongly in the return stroke and less (preferably not at all) in the material bed during the forward stroke.
  • a stationary pair of side walls delimiting the material bed can also be provided, the clear distance of which increases in the conveying direction. Should the material bed show the tendency to move together with the support plate during the return stroke, the increasing narrowing due to the side walls would lead to increased frictional resistance.
  • stationary devices can be provided within the material bed, which preferably oppose the material movement in the conveying direction with less resistance than the movement in the opposite direction. If the material is fed to the device unevenly over time, as is the case, for example, with coolers for material to be fired, to which the material is supplied from a furnace, a different one can appear on the support plate
  • the invention provides for the possibility of using a layer height limiter.
  • This is a wall that is arranged at the beginning of the conveyor above the support plate and the lower edge of which is at a distance from the support plate that corresponds to the desired thickness of the material bed.
  • FIG. 1 shows a schematic side view
  • FIG. 2 shows a partial view on a larger scale
  • FIG. 3 shows a partial section of the side seal
  • FIG. 4 shows an embodiment with a plurality of support plates connected in series
  • FIG. 5 shows a schematic longitudinal section of an embodiment variant in which the support plate is provided with transverse ribs
  • Fig. 7 is a schematic horizontal section
  • Fig. 8 shows another embodiment variant in longitudinal section.
  • the surface 2 can be of conventional design, for example consist of grate plates to which cooling air is applied, stationary or partially moved. Means for mechanically loosening the material can be provided, which counteract the caking of the material or crush larger pieces.
  • the inclination of the surface 2 is expediently chosen so that on the one hand it remains on its cool good, which protects it from the direct influence of the good coming hot from the oven, and on the other hand larger pieces of the good continue to move due to their gradient.
  • cooler section 6 extends back into the discharge area 4. This is possible without further ado because, due to its conveying principle, it never empties completely and therefore there is a protective layer of good on it in every operating condition, even when starting from a standstill.
  • the cooler section 6 is mainly formed by a support plate 10.
  • This consists, for example, of a framework 11 with attached, adjoining metal sheets 12, which can be covered with a hard layer 13 as wear protection.
  • the support plate rests on a swing frame men 14, which is movably mounted on rollers 15 in the conveying direction 16.
  • a hydraulic drive 17 sets it in a reciprocating motion, preferably with an amplitude of 10 to 80 cm, more preferably of 30 to 50 cm, and a frequency of normally 5 to 10 min "1 , which expediently depends on the thickness of the bed 20 located on the support plate 10 is regulated and can rise to, for example, 30 min ⁇ 1 in the event of an abnormally large amount of material, for example the layer thickness of the material is 50 to 200 cm.
  • the metal sheets 12 of the support plate 10 contain uniformly distributed air passage slots 21, which can be designed according to the principles known from grate plates (see, for example, EP-A-811 818). They can be provided with pockets 22 for collecting the fine material which falls through when the air flow is switched off and which is carried away by the air flow during the operation which is then resumed and is returned to the material layer.
  • the chambers 23 under the support plate 10 are pressurized by a fan 35, so that there is an air flow directed from bottom to top through the openings 21.
  • the support plate 10 can also be designed as a cover plate of a closed box, the cooling air being supplied to the box interior through flexible hoses or the like. As is known from sliding grates, individual sections of the support plate 10 can be separately applied and, if necessary, with different pressure.
  • the side edges of the support plate 10 are not closer to the adjacent housing wall 25 according to FIG. 3 by one seal 26 shown sealed. This prevents the diarrhea of fine material and, if necessary, the passage of cooling air.
  • a storage plate 30 is arranged in the height region of the good layer 20. It can be provided just before the support plate or above it.
  • the support plate takes along the goods lying on it during its forward stroke.
  • At the foot of the embankment 5 there is a gap in the good layer 20, which immediately fills with the good flowing from the embankment 5.
  • the good layer 20 initially still adheres to the support plate until it jams on the storage plate 30.
  • the ram force exceeds the frictional force between the good layer 20 and the support plate 10
  • the good layer stops while the support plate 10 moves further back under it.
  • the storage device does not necessarily have to be plate-shaped.
  • the stowage device it is also not necessary for the stowage device to be located directly at the loading end of the support plate, although this is advantageous. Rather, the dynamic pressure can also be transmitted through the embankment 5, which descends to the level of the support plate, to a force-receiving surface located further away from the support plate 10.
  • This force-receiving surface can be formed, for example, by surface 2 or wall 3, which are then drawn down correspondingly deep.
  • a sealing plate 32 is provided, whose end pointing in the conveying direction 16 rests on the upper side of the support plate 10.
  • the other end of the sealing plate 32 is pivotally mounted at 33 and is tightly connected to the storage plate 30 in a manner not shown.
  • a spring 34 presses the sealing plate 30 onto the support plate 10 essentially without a gap via a lever arm.
  • the discharge-side end of the support plate 10 is expediently also sealed off from the stationary devices, for example by a spring steel strip (not shown) which lies against the underside of the support plate without a gap.
  • the air blowing into the good layer 20 from bottom to top reduces the support pressure of the good layer due to its counter pressure and loosens up its lowermost area a little.
  • the friction between the good layer and the support plate is therefore less than with push-wagon feeders, and the conveying length can be correspondingly longer.
  • Reverse acceleration at the transition from the forward to the return stroke can be used to facilitate the release of the goods adhering to the support plate.
  • the surface of the support plate is expediently designed in such a way that the least possible friction against the material is achieved.
  • it can make sense, particularly in the initial area of the support plate, to choose a surface shape which leads to cool material being retained as a protective layer under the hot material lying above it.
  • the support plate 10 ' is provided for this purpose with transverse ribs 18, the height of which is expediently between 5 and 15 cm and the distance in the direction 16 is, for example, between 10 and 30 cm. It should not significantly exceed the feed length and is preferably less than this.
  • the effect of the cross ribs is that good in the troughs that are formed between the ribs it is noted that the support plate protects against the direct action of hot goods and against wear.
  • Such devices for holding a cool material layer do not need to cover the entire surface of the support plate, but can be limited to those areas in which otherwise a particularly high load on the support plate would have to be expected. They can also have other shapes, provided that they are suitable for holding the goods.
  • a major advantage of the cooler according to the invention is that the material is protected. It is therefore also suitable for sensitive goods such as Expanded clay. It also has the advantage that it is easier to achieve a uniform air distribution than in grate types in which internal material movement takes place.
  • the compressed air supply 35 to the chamber 23 is controlled so that the pressure during the return stroke is greater than during the Advancing stroke. This reduces the friction of the material bed 20 on the support plate 20. Less energy is required to retract the support plate under the bed 20.
  • the remaining of the material bed relative to the moving back support plate can also be promoted in that the material bed is bordered laterally by stationary walls 36, the inner surfaces of which are inclined at an angle 37 with respect to the direction of movement of the support plate 10 in such a way that their distance in Funding direction expanded. If the material bed 20 tends to follow the support plate during the return movement, it is increasingly narrowed by the inner surfaces of the walls 36, as a result of which a restraining force is exerted on the material bed 20 in addition to the backing resistance of the end face 30. When the walls 36 are connected to and move with the support plate, the walls reinforce the frictional engagement with the material during the preliminary stroke.
  • retaining devices 38 can be provided in the walls 36 or in other stationary structures of the device, only one of which is indicated in FIG. 7. These are slides or flaps or the like, which are controlled by means of a drive 39 in such a way that they protrude into the material bed 20 during the return stroke of the support plate 10 in order to hold it in place while they are retracted during the advance stroke of the support plate 10 , Such retention devices can also act on the material bed 20 from above or through the support plate 10 from below.
  • a similar retaining device 40 with drive 41 is arranged in the support plate. It moves back and forth with the support plate. During the forward stroke of the support plate, the retaining device 40 projects into the material bed in order to take it along with the support plate.
  • a large number of the retaining devices 38, 40 can be arranged in a suitable manner along the course of the material bed.
  • transverse, stationary beams 45 are provided above the support plate 10, which inhibit a return movement of the material bed together with the support plate 10 during its return stroke.
  • Their cross-section is preferably chosen so that the inhibition of the material movement in the back direction is stronger than in the conveying direction. In the example shown, they have a triangular shape with a tip pointing counter to the conveying direction and are arranged at a short distance above the support plate 10.
  • FIG. 6 illustrates a layer height limiter 42 which is arranged in the cooler housing 1 as a fixed or height-adjustable wall. Its lower edge 43 determines the maximum height of the material bed 20. In the conveying direction in front of the wall
  • a buffer space is formed, in which the embankment 5 forms a buffer volume in the event of a temporarily greater amount of material.
  • the distance of the wall 42 from the storage plate 30 should be smaller than the height of the lower edge 43 of the wall 42 above the support plate 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Furnace Details (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant de traiter, notamment de refroidir un produit en vrac situé sous forme de couche (20) sur une grille de manutention (10). Du gaz est guidé depuis le bas à travers la grille (10) et la couche (20). La grille dans son ensemble est déplacée d'avant en arrière, la couche de produit (20) étant maintenue pendant le mouvement arrière. Le niveau de la fréquence de mouvement est choisi si bas qu'il ne se produit sensiblement pas de mélange intime vertical de la couche de produit (20). Pour maintenir la couche (20) en place, il est prévu une chicane (30) ou similaire. Le fait qu'il n'y ait pas de mouvement relatif vertical à l'intérieur de la couche de produit (20) améliore la récupération de la chaleur.
EP02730030A 2001-03-20 2002-03-19 Procede et dispositif pour traiter un produit en vrac Expired - Lifetime EP1373818B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK02730030T DK1373818T3 (da) 2001-03-20 2002-03-19 Fremgangsmåde og anordning til behandling af massegods

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10113516A DE10113516A1 (de) 2001-03-20 2001-03-20 Verfahren und Vorrichtung zum Behandeln von Schüttgut
DE10113516 2001-03-20
PCT/EP2002/003042 WO2002075230A1 (fr) 2001-03-20 2002-03-19 Procede et dispositif pour traiter un produit en vrac

Publications (2)

Publication Number Publication Date
EP1373818A1 true EP1373818A1 (fr) 2004-01-02
EP1373818B1 EP1373818B1 (fr) 2005-05-18

Family

ID=7678228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02730030A Expired - Lifetime EP1373818B1 (fr) 2001-03-20 2002-03-19 Procede et dispositif pour traiter un produit en vrac

Country Status (4)

Country Link
US (1) US6926521B2 (fr)
EP (1) EP1373818B1 (fr)
DE (2) DE10113516A1 (fr)
WO (1) WO2002075230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2588934C2 (ru) * 2010-12-23 2016-07-10 Кхд Хумболдт Ведаг Гмбх Охладитель и способ охлаждения горячего основного материала

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DE10047269B4 (de) * 2000-09-23 2005-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Überprüfung der Trocknungsergebnisse in einem aus einem Trocknungsprozess kommenden Schüttgut
DE202004020573U1 (de) * 2003-05-08 2005-08-04 Claudius Peters Technologies Gmbh Anordnung bestehend aus einem Brennofen und einer diesem nachgeschalteten Vorrichtung zum Kühlen eines Schüttguts mit einem Gas
EP1475594A1 (fr) 2003-05-08 2004-11-10 Claudius Peters Technologies GmbH Procédé et dispositif pour le transport de matière en vrac sur une grille
DK176663B1 (da) * 2004-07-02 2009-02-09 Smidth As F L Fremgangsmåde og köler til afköling af varmt partikelformet materiale
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EP1373818B1 (fr) 2005-05-18
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DE50203146D1 (de) 2005-06-23
WO2002075230A1 (fr) 2002-09-26
US20040115581A1 (en) 2004-06-17

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