EP3426996B1 - Refroidisseur pour refroidir un matériau en vrac chaud et procédé pour produire un refroidisseur de ce type - Google Patents

Refroidisseur pour refroidir un matériau en vrac chaud et procédé pour produire un refroidisseur de ce type Download PDF

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Publication number
EP3426996B1
EP3426996B1 EP17708761.6A EP17708761A EP3426996B1 EP 3426996 B1 EP3426996 B1 EP 3426996B1 EP 17708761 A EP17708761 A EP 17708761A EP 3426996 B1 EP3426996 B1 EP 3426996B1
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EP
European Patent Office
Prior art keywords
cooler
ventilation
side walls
ventilation chamber
binder
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.)
Active
Application number
EP17708761.6A
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German (de)
English (en)
Other versions
EP3426996B8 (fr
EP3426996A1 (fr
Inventor
Jochen Altfeld
Thomas Rüther
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.)
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions 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.)
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Publication date
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Publication of EP3426996A1 publication Critical patent/EP3426996A1/fr
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Publication of EP3426996B1 publication Critical patent/EP3426996B1/fr
Publication of EP3426996B8 publication Critical patent/EP3426996B8/fr
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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
    • 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
    • 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

Definitions

  • the invention relates to a cooler for cooling hot bulk material, in particular cement clinker, and to a method for producing a cooler.
  • hot bulk material such as cement clinker
  • the bulk material is placed on a ventilation floor of a cooler through which cooling gas can flow.
  • the hot bulk material is then moved from one end of the cooler to the other end for cooling and cooling gas flows through it.
  • Various options are known for transporting the bulk material from the start of the cooler to the end of the cooler.
  • the bulk material is transported by movable conveying elements which move in the conveying direction and counter to the conveying direction.
  • the conveyor elements have a push edge that transport the material in the conveying direction.
  • a cooler which has a ventilation base with a plurality of conveying elements which can be moved in the conveying direction and counter to the conveying direction.
  • the material is transported in the conveying direction by means of a suitable movement pattern in the forward and return stroke.
  • a cooler which has a plurality of conveying elements which are movable in the conveying direction and counter to the conveying direction.
  • the conveyor elements are attached to a frame structure, which are mounted on the machine frame via bearings.
  • the conveying elements have a shape that enables transport in the conveying direction.
  • the coolers known from the prior art each have a ventilation chamber above and below the ventilation floor, the bulk material lying on the ventilation floor being cooled in cross flow.
  • the assembly of such coolers is relatively complex, in addition, in particular the material costs are relatively high and the maintenance is time-consuming and costly.
  • a clinker cooler is known which has a housing made of brick masonry and steel plates.
  • a cooler for cooling bulk material in particular cement clinker, comprises an aeration floor through which cooling gas can flow, for receiving the bulk goods, a first aeration chamber which is arranged above the aeration floor and has a plurality of side walls and a second aeration chamber which is below the aeration floor is arranged and has a plurality of side walls. At least one side wall of the first and / or the second ventilation chamber has a material which is cast from a mixture of a filler and a binder.
  • Such a cooler is connected downstream of a rotary kiln of a cement plant, in particular for cooling cement clinker, so that cement clinker emerging from the rotary kiln is moved in the conveying direction from one end of the cooler to the opposite end of the cooler and flowed through with cooling gas.
  • the ventilation floor of the cooler is preferably stationary and at least one conveying device is provided which is arranged to be movable back and forth in the conveying direction and counter to the conveying direction for transporting the bulk material.
  • the cooler preferably has a drive device, such as a hydraulic actuator, for driving the conveyor device.
  • the bulk material to be cooled is received on the stationary aeration floor, the aeration floor preferably being plate-shaped and having a plurality of passages through which cooling gas, for example by means of a fan, from below the aeration floor up through the aeration floor flows.
  • the ventilation floor also preferably has a plurality of slots extending in the conveying direction, through which the conveying device extends.
  • the conveying device is in particular arranged at least partially above the ventilation floor and has a plurality of drivers which extend transversely to the conveying direction and are arranged at a distance from one another on the region extending in the conveying direction.
  • the cooler preferably has a plurality of conveying devices which can be moved independently of one another.
  • the first and the second ventilation chamber are in particular arranged such that cooling air can flow from the second ventilation chamber through the ventilation floor into the first ventilation chamber.
  • the side walls of the first and second ventilation chambers close off the respective ventilation chambers from the environment and preferably form the housing of the cooler.
  • the first and the second ventilation chamber each have at least four side walls which seal the ventilation chambers from the environment, in particular in an airtight manner.
  • the material made from a mixture of a filler and a binder comprises, for example, a concrete or a polymer concrete.
  • a binder is understood to mean substances by which solid substances, such as, for example, powder, sand or gravel, are bonded to one another, in particular bonded together. Binders are preferably added to the fillers to be bound in liquid or pasty form. The binder hardened together with the filler forms a new, solid material. Binders include, for example, hydraulic binders that harden both in air and under water, such as cement, mixed binders or pozzolans. Furthermore, binders include non-hydraulic binders (air binders), such as air limes, gypsum or clay, which only harden in air. In addition, organic binders, such as polyester resins, epoxy resins or bitumen, are also included, wherein the binding can also be carried out on a ceramic basis in a sintering process.
  • Fillers are materials based on mineral substances, such as gravel, sand or rock flour.
  • Forming the side walls of the first and second ventilation chambers of the cooler from a material made of a mixture of a filler and a binder offers an inexpensive way of producing the cooler.
  • the material offers the possibility of producing the relatively large side walls by casting on site and thus saving on expensive transportation.
  • the cooler is in particular a cooler for cement clinker, the cement is readily available as a binder on site. In the event of wear, maintenance work can also be carried out simply and inexpensively on such a side wall.
  • At least one side wall of the first and / or the second ventilation chamber is at least partially formed from a concrete or a polymer concrete.
  • the material of at least one side wall further comprises, for example, a composite material made of a concrete, such as reinforced concrete or fiber reinforced concrete, steel, plastic or glass fibers being added to a concrete.
  • a composite material made of a concrete, such as reinforced concrete or fiber reinforced concrete, steel, plastic or glass fibers being added to a concrete.
  • the material comprises a mineral casting or polymer concrete, the binder comprising a resin, in particular epoxy resin, and the filler comprising quartz gravel, quartz sand and / or stone powder.
  • the side walls of the first and the second ventilation chamber form outer walls of the cooler.
  • at least one of the side walls is an outer wall of the cooler.
  • each of the side walls of the first and the second ventilation chamber is made entirely of a material which is formed from a mixture of a filler and a binder.
  • the side walls are in particular not made of a metal, in particular not of steel or sheet metal.
  • the first ventilation chamber has roof elements which are connected to the side walls, the roof elements being formed from a material made from a mixture of a filler and a binder.
  • the roof elements serve in particular to seal off the first ventilation chamber from the surroundings.
  • the roof elements are preferably arranged on the side of the first ventilation chamber opposite the ventilation floor. The formation of the roof elements from a material from a mixture of a filler and a binder also offers a simple and inexpensive possibility of producing the cooler.
  • a plurality of intermediate walls extending transversely to the conveying direction are arranged within the second ventilation chamber and are made of a material from a mixture of a filler and a binder.
  • the partitions are arranged within the second ventilation chamber in particular in such a way that they divide the second ventilation chamber into a plurality of chambers and seal them off from one another. For example, flows of cooling air with different temperatures or different volume flows in different chambers of the second ventilation chamber are introduced into the cooler and flow through the ventilation floor in different areas.
  • Forming these partition walls from a mixture of a filler and a binder additionally enables such partition walls to be easily retrofitted, and these can be individually adapted to the geometry of the second ventilation chamber due to the relatively simple manufacture.
  • openings are arranged in at least one of the side walls. Such openings serve, for example, to maintain the cooler and provide access to the interior of at least one of the ventilation chambers.
  • a door for closing the opening is arranged. Openings are preferably made in at least one of the side walls of the second ventilation chamber and are connected to a cooling air supply, so that cooling air flows through these openings into the second ventilation chamber.
  • steel frames are preferably cast in the openings.
  • At least one of the side walls has a plurality of wall segments which are connected to one another.
  • the wall segments are attached to a frame, for example.
  • a number of wall segments offer the possibility of a modular structure and thus simple and inexpensive manufacture and assembly of the cooler.
  • the wall segments are connected to one another by means of a plug connection.
  • a plug connection enables the cooler to be installed quickly and easily, and it is also easy to replace individual, for example damaged, wall elements.
  • a refractory lining is attached to the inside of at least one of the side walls.
  • a refractory lining is to be understood in particular as a wall which is arranged parallel to the side wall to which it is attached.
  • the refractory lining is made of a heat-resistant material.
  • a gap is preferably arranged between the refractory lining and the respective side wall, which gap can be filled, for example, with an insulating material.
  • the refractory lining is preferably attached so as to be stretchable relative to the side wall, so that a temperature-related thermal expansion of the refractory lining is possible relative to the side wall.
  • the refractory lining is attached to the side wall by means of a floating connection, so that a relative movement of the refractory lining to the side wall is possible.
  • the thermal expansion of the side wall and the refractory lining are different due to temperature differences, the different temperature expansion being compensated for by the floating connection, so that tension in the refractory lining is avoided.
  • the invention further comprises a method for producing a cooler for cooling bulk material, in particular cement clinker, comprising one of cooling gas through-flow ventilation floor for receiving the bulk material, a first ventilation chamber which is arranged above the ventilation floor and has a plurality of side walls, a second ventilation chamber which is arranged below the ventilation floor and has a plurality of side walls. At least one of the side walls of the first and / or the second ventilation chamber is cast from a material that has a mixture of a filler and a binder.
  • FIG. 1 to 3 show a cooler 10 for cooling bulk material, such as cement clinker.
  • a cooler 10 for cooling bulk material, such as cement clinker.
  • a cooler 10 is connected downstream of a rotary kiln (not shown) of a cement plant and cools cement clinker emerging from the rotary kiln.
  • the in Fig.1 The cooler 10 shown has a ventilation base 12 for receiving the bulk material.
  • the ventilation floor 12 is stationary and has a plurality of ventilation passages for loading the bulk material to be cooled lying on the ventilation floor 12 with a cooling gas stream flowing through the ventilation passages.
  • the cooling gas flows, for example, through a ventilation unit (not shown) from below through the ventilation floor 12.
  • the ventilation floor 12 of the cooler 10 comprises a plurality of ventilation floor segments 40, in which Fig. 1 only four such ventilation floor segments 40 are shown. Examples are in Fig. 1 transversely to the conveying direction A two ventilation floor segments 40 are arranged side by side.
  • the ventilation floor 12 is supported by a likewise stationary foundation 34, the ventilation floor 12 resting on the foundation 34 and being firmly connected to it, for example screwed or welded.
  • the foundation 34 comprises in Fig. 1 for example, a plurality of vertical columns on which the ventilation floor segments 40 of the ventilation floor 12 rest. Each ventilation floor segment 40 rests on four columns, for example. It is also conceivable to construct the foundation 34 as a strip foundation with elements extending in the conveying direction A or transversely to the conveying direction A.
  • the foundation 34 also includes a floor area on which the columns are attached.
  • Each ventilation floor segment 40 has a plurality of conveying devices 36 which extend essentially in the conveying direction A.
  • the conveying devices 36 are arranged above the ventilation floor 12 and comprise a plurality of regions extending in the conveying direction, on which three drivers, each extending transversely to the conveying direction, are attached, for example.
  • An aeration floor segment 40 has, for example, five conveying devices 36 arranged next to one another transversely to the conveying direction A.
  • the conveying devices 36 are arranged parallel to one another and at a uniform distance from one another transversely to the conveying direction A.
  • Fig. 2 shows a side view of the cooler 10 of FIG Fig. 1 and 3 , wherein the cooler elements shown are those of Fig. 1 and 3 correspond.
  • a drive unit 38 is arranged below the ventilation floor 12 and is connected to a respective conveyor 36.
  • the drive unit 38 is, for example, a cylinder-piston unit which is attached at one end to the stationary structure, in particular to the ventilation floor, and at the other end to a conveyor device 36 in each case.
  • each of the conveying devices 36 is moved in the conveying direction and counter to the conveying direction A by means of a respective drive unit 38.
  • the conveying devices 36 are moved together in the conveying direction A and are moved separately from one another against the conveying direction A. If, for example, bulk material is placed on the ventilation floor 12 for cooling, this forms a relatively compact unit that can be transported in the conveying direction A with a common forward stroke of the conveying devices 36.
  • the separate movement of the conveying devices 36 counter to the conveying direction A has the effect that, due to friction, less bulk material is carried along via the drivers of the conveying devices 36 than when the conveying devices 36 move together. This results overall in a movement of the bulk material along the ventilation floor 12 in the conveying direction A.
  • the cooler 10 further comprises a first ventilation chamber 14, which is arranged above the ventilation floor 12.
  • a first ventilation chamber 14 is shown.
  • the first ventilation chamber encompasses the entire area above the ventilation floor and is laterally closed off from the surroundings by the side walls 18 of the first ventilation chamber 14.
  • the first ventilation chamber 14 also has at least three further side walls, which are shown in FIG Fig. 1 are not shown and seal the ventilation chamber 14 from the environment.
  • Fig. 3 shows a section of the cooler 10, two roof elements 42 additionally being shown, which close off the first ventilation chamber 14 from the environment.
  • the first ventilation chamber 14 is closed at the bottom by the ventilation floor 12.
  • the side walls 18 and the roof elements 42 serve to seal the ventilation chamber 14 airtight from the surroundings.
  • a rectangular recess 30 is arranged in the side wall 18 and forms a maintenance opening, for example.
  • a fire protection device 28 is attached to the inside of the side walls 18 of the first ventilation chamber 14.
  • the fire protection device 28 comprises, for example, a plurality of layers arranged one behind the other, the inside being selected as a ceramic refractory material in such a way that it is temperature-resistant and in particular withstands temperatures of 1000-1200 ° C. which occur within the first ventilation chamber. Furthermore, the fire protection device 28 has an insulating property, the first ventilation chamber 14 being insulated from the surroundings.
  • a second ventilation chamber 16 is arranged below the ventilation floor 12.
  • the second ventilation chamber 16 has a plurality of side walls 20, 22, 24, which seal the second ventilation chamber from the surroundings, in particular in an airtight manner. In Fig. 1 and 3 only three of the side walls 20, 22, 24 of the second ventilation chamber 16 are shown.
  • the foundation 34 in particular the bottom region of the foundation 34, closes off the second ventilation chamber 16 at the bottom.
  • the columns of the foundation 34 and a plurality of intermediate walls 26 extending transversely to the conveying direction A are mounted within the second ventilation chamber.
  • the intermediate walls 26 also serve as a support for the ventilation floor segments 40 and divide the second ventilation chamber 16 into a plurality of ventilation chambers arranged one behind the other in the conveying direction A.
  • a plurality of openings 32 are provided, which are, for example, rectangular.
  • the openings 32 form, for example, an air inlet for admitting the cooling air into the second ventilation chamber 16 or a maintenance opening.
  • the openings have steel frames cast into the side walls, for example.
  • the side walls 18, 20, 22, 24 of the first and second ventilation chambers 14, 16 have a material which is formed from a mixture of a filler and a binder.
  • the side walls are 18, 20, 22, 24 made entirely from this material.
  • the roof elements 42 closing the first ventilation chamber 14 upward are also made of a material made of a mixture of a filler and a binder.
  • Such a material comprises, for example, a concrete, the binder preferably comprising cement and the filler comprising, for example, gravel from hard stones.
  • the material further comprises a composite material made of a concrete, such as reinforced concrete or fiber reinforced concrete, steel, plastic or glass fibers being added to a concrete.
  • the material comprises a mineral casting or polymer concrete, the binder comprising a resin, in particular epoxy resin, and the filler comprising quartz gravel, quartz sand and / or stone powder.
  • the formation of the side walls 18, 20, 22, 24 of the first and second ventilation chambers 14, 16 of the cooler 10 from a material made from a mixture of a filler and a binder offers an inexpensive possibility for producing the cooler 10.
  • the material offers the Possibility to manufacture the relatively large side walls 18, 20, 22, 24 by casting on site and thus to save time-consuming transport. Since the cooler is in particular a cooler for cement clinker, the cement is readily available as a binder on site.
  • the side walls 18, 20, 22, 24 of the first and second ventilation chambers 14, 16 of the cooler 10 include, for example, a plurality of in the 1 to 3 not shown wall segments.
  • the wall segments are fastened together, for example by means of a plug connection, so that they form the side walls 18, 20, 22, 24.
  • the side wall 18 of the first ventilation chamber 14 has the refractory lining 28 on the inside.
  • a gap is formed between the refractory lining 28 and the side wall formed from a material made from a mixture of a filler and a binder. This gap allows for different thermal expansion of the refractory lining 28 and the side wall 18.
  • the refractory lining 28 is attached to the side wall by means of a floating attachment, which allows a relative movement of the refractory lining 28 the side wall 18 allows.
  • the floating attachment has, in particular, ceramic anchor stones which are attached to the side walls with claws, brackets or clamps or elastic metallic anchor hooks which can also be attached to the side walls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Furnace Details (AREA)

Claims (11)

  1. Refroidisseur (10) pour refroidir un matériau en vrac, notamment un clinker, comportant :
    un plancher d'aération (12) pouvant être traversé par un gaz de refroidissement et destiné à recevoir le matériau en vrac ;
    une première chambre d'aération (14) disposée au-dessus du plancher d'aération (12) et comportant une pluralité de parois latérales (18) ;
    une deuxième chambre d'aération (16) disposée en dessous du plancher d'aération (12) et comportant une pluralité de parois latérales (20, 22, 24) ;
    caractérisé en ce que :
    au moins une paroi latérale (18, 20, 22, 24) de la première et/ou de la deuxième chambre d'aération (14, 16) comporte une matière coulée à partir d'un mélange de matière de remplissage et de liant.
  2. Refroidisseur (10) selon la revendication 1, au moins une paroi latérale (18, 20, 22, 24) de la première et/ou de la deuxième chambre d'aération (14, 16) étant réalisée au moins en partie en béton ou en béton polymère.
  3. Refroidisseur (10) selon l'une quelconque des revendications précédentes, les parois latérales (18, 20, 22, 24) de la première et de la deuxième chambre d'aération (14, 16) formant des parois extérieures du refroidisseur (10).
  4. Refroidisseur (10) selon l'une quelconque des revendications précédentes, chacune des parois latérales (18, 20, 22, 24) de la première et de la deuxième chambre d'aération (14, 16) étant entièrement réalisée à partir d'une matière composée d'un mélange de matière de remplissage et de liant.
  5. Refroidisseur (10) selon l'une quelconque des revendications précédentes, la première chambre d'aération (14) comportant des éléments de toit (42) reliés aux parois latérales (18, 20, 22, 24) et les éléments de toit (42) étant réalisés à partir d'une matière composée d'un mélange de matière de remplissage et de liant.
  6. Refroidisseur (10) selon l'une quelconque des revendications précédentes, une pluralité de parois intermédiaires (26) s'étendant transversalement à la direction de transport (A) à l'intérieur de la deuxième chambre d'aération (14), ces parois étant réalisées à partir d'une matière composée d'un mélange de matière de remplissage et de liant.
  7. Refroidisseur (10) selon l'une quelconque des revendications précédentes, des ouvertures étant disposées dans au moins une des parois latérales (18, 20, 22, 24) .
  8. Refroidisseur (10) selon l'une quelconque des revendications précédentes, au moins une des parois latérales (18, 20, 22, 24) comportant une pluralité de segments de paroi reliés entre eux.
  9. Refroidisseur (10) selon la revendication 8, les segments de paroi étant reliés entre eux au moyen d'une liaison par enfichage.
  10. Refroidisseur (10) selon l'une quelconque des revendications précédentes, un revêtement ignifuge (28) étant disposé au niveau du côté intérieur d'au moins une des parois latérales.
  11. Procédé de fabrication d'un refroidisseur (10) pour refroidir un matériau en vrac, notamment un clinker, comportant :
    un plancher d'aération (12) pouvant être traversé par un gaz de refroidissement et destiné à recevoir le matériau en vrac ;
    une première chambre d'aération (14) disposée au-dessus du plancher d'aération (12) et comportant une pluralité de parois latérales (18) ;
    une deuxième chambre d'aération (16) disposée en dessous du plancher d'aération (12) et comportant une pluralité de parois latérales (20, 22, 24) ;
    caractérisé en ce que :
    au moins une des parois latérales (18, 20, 22, 24) de la première et/ou de la deuxième chambre d'aération (14, 16) est coulée à partir d'une matière comportant un mélange de matière de remplissage et de liant.
EP17708761.6A 2016-03-07 2017-03-03 Refroidisseur pour refroidir un matériau en vrac chaud et procédé pour produire un refroidisseur de ce type Active EP3426996B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016203683.1A DE102016203683A1 (de) 2016-03-07 2016-03-07 Kühler zum Kühlen von heißem Schüttgut
PCT/EP2017/054994 WO2017153268A1 (fr) 2016-03-07 2017-03-03 Refroidisseur pour refroidir un matériau en vrac chaud et procédé pour produire un refroidisseur de ce type

Publications (3)

Publication Number Publication Date
EP3426996A1 EP3426996A1 (fr) 2019-01-16
EP3426996B1 true EP3426996B1 (fr) 2020-01-22
EP3426996B8 EP3426996B8 (fr) 2020-04-15

Family

ID=58228131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17708761.6A Active EP3426996B8 (fr) 2016-03-07 2017-03-03 Refroidisseur pour refroidir un matériau en vrac chaud et procédé pour produire un refroidisseur de ce type

Country Status (5)

Country Link
EP (1) EP3426996B8 (fr)
CN (1) CN108779958A (fr)
DE (1) DE102016203683A1 (fr)
DK (1) DK3426996T3 (fr)
WO (1) WO2017153268A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB699107A (en) * 1949-12-30 1953-10-28 F L Smoth & Co As Improvements relating to plants for the treatment of bulk material
JPS61134587A (ja) * 1984-12-03 1986-06-21 太平洋セメント株式会社 クリンカ冷却装置の制御装置
DD282510A5 (de) * 1989-04-17 1990-09-12 Dessau Zementanlagenbau Veb Abluftstutzen
US5199233A (en) * 1990-05-23 1993-04-06 Misawa Homes Co. Ltd. Prefabricated concrete basement and process for constructing the same
ZA982104B (en) 1997-04-22 1998-09-16 Smidth & Co As F L Cooler for cooling of particulate material
DE10018142B4 (de) * 2000-04-12 2011-01-20 Polysius Ag Kühler und Verfahren zum Kühlen von heißem Schüttgut
CN102353271B (zh) * 2011-10-19 2013-08-21 上海建丰重型机械有限公司 新型篦式冷却机
CN205037775U (zh) * 2015-07-28 2016-02-17 山东省冶金设计院股份有限公司 改进型球团环冷机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN108779958A (zh) 2018-11-09
DE102016203683A1 (de) 2017-09-07
WO2017153268A1 (fr) 2017-09-14
EP3426996B8 (fr) 2020-04-15
DK3426996T3 (da) 2020-04-20
EP3426996A1 (fr) 2019-01-16

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