EP1676084B1 - Dispositif de refroidissement pour refroidir du laitier - Google Patents

Dispositif de refroidissement pour refroidir du laitier Download PDF

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Publication number
EP1676084B1
EP1676084B1 EP04786987A EP04786987A EP1676084B1 EP 1676084 B1 EP1676084 B1 EP 1676084B1 EP 04786987 A EP04786987 A EP 04786987A EP 04786987 A EP04786987 A EP 04786987A EP 1676084 B1 EP1676084 B1 EP 1676084B1
Authority
EP
European Patent Office
Prior art keywords
clinker
cooler
crusher
section
sample
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.)
Expired - Lifetime
Application number
EP04786987A
Other languages
German (de)
English (en)
Other versions
EP1676084A1 (fr
Inventor
Ewald RÖLVER
Klaus BORNHÜTTER
Günter Milewski
Hermann Niemerg
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 Industrial Solutions AG
Original Assignee
Polysius 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 Polysius AG filed Critical Polysius AG
Publication of EP1676084A1 publication Critical patent/EP1676084A1/fr
Application granted granted Critical
Publication of EP1676084B1 publication Critical patent/EP1676084B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • F27B7/42—Arrangement of controlling, monitoring, alarm or like devices

Definitions

  • a grate cooler having a first radiator section, a second radiator section, and a crusher disposed therebetween.
  • a first and a second cooling unit wherein in the first cooling unit, a crushing device is arranged.
  • a trigger device for the deduction of possibly accumulating, too weak burned clinker is also provided.
  • the device for taking a sample of the clinker is arranged in a region where the temperature of the clinker is between 300 ° and 700 ° C, preferably between 450 ° and 550 ° C.
  • the location of the sampling between the first and second cooler section also makes it possible to take a sample with a representative grain spectrum.
  • the sample falls down a hole in the grate plate in a central region of the radiator.
  • the device for taking a sample of the clinker is arranged in a region between the crusher and the second cooler section.
  • the drawing shows a schematic cross-sectional view of the radiator in the region between the first and second radiator section.
  • the cooler shown essentially consists of a first radiator section 1, a second radiator section 2 and a crusher 3 arranged therebetween.
  • the second radiator section 2 is arranged lower than the first radiator section 1, so that the material passes from the first radiator section 1 into the crusher 3 and the second radiator section 2 can be arranged below the crusher. The crushed material then falls from the crusher 3 to the second radiator section 2.
  • the radiator is formed with a fixed ventilation floor, wherein the refrigerated goods is moved with suitable reciprocating conveying elements on the ventilation floor.
  • the cooler as a so-called grate cooler with alternately fixed and reciprocating Grate plate rows perform.
  • the cooler is flowed through in a conventional manner from bottom to top with cooling air.
  • a device 4 for taking a sample of the clinker is provided below the crusher 3.
  • This device 4 has a suitable sampler 4a, which takes samples of the falling down crushed clinker material at desired intervals. The sample is then unloaded in a hopper 4b and is fed from there in a suitable manner to an analysis device, not shown.
  • the analysis can be carried out, for example, according to an X-ray fluoride essence method and / or by a method of X-ray diffractometry.
  • the clinker usually falls with temperatures of about 1,400 ° C from the oven to the first radiator section 1. There, the clinker is transported in the direction of arrow 5 and charged with cooling air. At the end of the first section, the clinker passes in accordance with arrow 6 in the crusher 3, where a crushing of the clinker takes place.
  • Sampling takes place in the area between crusher 3 and second cooler section 2 by taking a sample of the clinker falling from the crusher. According to the arrow 7, the broken clinker passes to the second cooler section for further cooling.
  • the first cooler section is dimensioned in its length, and is supplied with cooling air such that the clinker in the region of its sampling has a temperature between 300 ° and 700 ° C, preferably between 450 ° and 550 ° C, wherein expediently the sampling time as early as possible provides for early intervention in the preceding stages of the procedure.
  • the temperature of the clinker should not be significantly above 650 ° C during sampling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

La présente invention concerne un dispositif de refroidissement pour refroidir du laitier, comprenant un système qui sert à prélever un échantillon du laitier, le dispositif de refroidissement présentant une première section de refroidissement, une seconde section de refroidissement, et un broyeur disposé entre les deux, ainsi qu'un système qui sert à prélever un échantillon du laitier dans une zone située entre le broyeur et une seconde section de refroidissement. Cela permet d'intervenir au cours des étapes antérieures du procédé, et de limiter les pertes de temps.

Claims (3)

  1. Procédé pour le refroidissement de clinker, le clinker tombant hors d'un four étant refroidi dans une première section de refroidissement (1) et dans une deuxième section de refroidissement (2) et étant concassé dans un broyeur (3), qui est disposé entre les deux sections de refroidissement, caractérisé en ce que, dans une zone située entre le broyeur et la deuxième section de refroidissement, un échantillon de clinker est prélevé et analysé afin de collecter des informations concernant les propriétés du clinker et pour agir sur les étapes précédentes du procédé.
  2. Procédé selon la revendication 1, caractérisé en ce que l'échantillon de clinker est prélevé dans une zone, dans laquelle la température du clinker est située entre 300 °C et 700 °C.
  3. Procédé selon la revendication 1, caractérisé en ce que l'échantillon de clinker est prélevé dans une zone, dans laquelle la température du clinker est située entre 450 °C et 550 °C
EP04786987A 2003-10-20 2004-09-22 Dispositif de refroidissement pour refroidir du laitier Expired - Lifetime EP1676084B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348590A DE10348590A1 (de) 2003-10-20 2003-10-20 Kühler zum Kühlen von Klinker
PCT/EP2004/010638 WO2005047796A1 (fr) 2003-10-20 2004-09-22 Dispositif de refroidissement pour refroidir du laitier

Publications (2)

Publication Number Publication Date
EP1676084A1 EP1676084A1 (fr) 2006-07-05
EP1676084B1 true EP1676084B1 (fr) 2010-12-15

Family

ID=34484816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04786987A Expired - Lifetime EP1676084B1 (fr) 2003-10-20 2004-09-22 Dispositif de refroidissement pour refroidir du laitier

Country Status (5)

Country Link
US (1) US7367799B2 (fr)
EP (1) EP1676084B1 (fr)
DE (2) DE10348590A1 (fr)
DK (1) DK1676084T3 (fr)
WO (1) WO2005047796A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016204163A1 (de) 2016-03-14 2017-09-14 Thyssenkrupp Ag Vorrichtung zur Entnahme von Proben

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2843342B2 (fr) * 2013-08-27 2019-07-03 Alite GmbH Refroidisseur de clinker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414292A1 (de) * 1994-04-23 1995-10-26 Krupp Foerdertechnik Gmbh Verfahren und Anlage zur Kühlung von Weißzementklinker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334901C2 (de) * 1993-10-13 1996-07-11 Kloeckner Humboldt Deutz Ag Rostkühler
US5837052A (en) * 1997-04-10 1998-11-17 Lafarge Canada Inc. Process for producing cement clinker containing coal ash
US5976243A (en) * 1998-09-24 1999-11-02 Lafarge Canada Inc. Process for producing cement clinker containing blast furnace slag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414292A1 (de) * 1994-04-23 1995-10-26 Krupp Foerdertechnik Gmbh Verfahren und Anlage zur Kühlung von Weißzementklinker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016204163A1 (de) 2016-03-14 2017-09-14 Thyssenkrupp Ag Vorrichtung zur Entnahme von Proben

Also Published As

Publication number Publication date
DK1676084T3 (da) 2011-04-04
WO2005047796A1 (fr) 2005-05-26
EP1676084A1 (fr) 2006-07-05
DE10348590A1 (de) 2005-05-25
DE502004012008D1 (de) 2011-01-27
US7367799B2 (en) 2008-05-06
US20070042311A1 (en) 2007-02-22

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