WO1979000277A1 - Procede et dispositif pour la fabrication de coke - Google Patents

Procede et dispositif pour la fabrication de coke Download PDF

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Publication number
WO1979000277A1
WO1979000277A1 PCT/DE1978/000032 DE7800032W WO7900277A1 WO 1979000277 A1 WO1979000277 A1 WO 1979000277A1 DE 7800032 W DE7800032 W DE 7800032W WO 7900277 A1 WO7900277 A1 WO 7900277A1
Authority
WO
WIPO (PCT)
Prior art keywords
coal
channels
die
feed material
coke
Prior art date
Application number
PCT/DE1978/000032
Other languages
German (de)
English (en)
Inventor
W Reerink
W Kaimann
K Brachthaeuser
Original Assignee
Projektierung Chem Verfahrenst
W Reerink
W Kaimann
K Brachthaeuser
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 Projektierung Chem Verfahrenst, W Reerink, W Kaimann, K Brachthaeuser filed Critical Projektierung Chem Verfahrenst
Priority to BR7808710A priority Critical patent/BR7808710A/pt
Priority to JP50011778A priority patent/JPS54500037A/ja
Publication of WO1979000277A1 publication Critical patent/WO1979000277A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/228—Extrusion presses; Dies therefor using pressing means, e.g. rollers moving over a perforated die plate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition

Definitions

  • the invention relates to a method and a device for the production of coke, in particular blast furnace coke, using larger proportions of weakly baking or weakly baking hard coal compared to normal baking, in which the coal feed material is subjected to a compacting treatment to form compacts and from this Treatment resulting products can be used as filling for the coke oven for coking in this.
  • Coal is the so-called ramming operation, in which a "ramming cake” is mechanically produced by tamping the coking coal outside the coke oven, which cake is pushed into the furnace chamber.
  • ramming cake By “pounding” the coke oven filling can be increased in weight, because the pound cake reaches a -volumetric weight of about 1000 kg / m, while the bulk density of normal filled in the chamber, damp coal depending on the water content and grain size only 650 to 750 kg / m is. This considerable increase in bulk density during ramming operation has resulted in a decisive improvement in coke quality.
  • the object of the invention is to overcome existing difficulties and disadvantages in the production of coke, in particular blast furnace coke, and thereby to open up a way to obtain a feedstock for coke ovens at a reasonable cost when using weakly baking hard coal Compacting process formed compacts are such that a favorable degree of filling or a favorable filling weight when charging the coke oven and thus a high coke resistance can be achieved. Further problems associated with this task, with which the invention is concerned, result from the respective explanation of the solution shown.
  • the invention takes into account the knowledge that an optimal increase in the chamber filling or the bulk density by 20 to 40%. could be achieved if 60 to 70% of the briquettes would enter the chamber undamaged and the space would be filled accordingly.
  • the invention provides that the compacting material has both a pressure which produces a guided feed movement of the material in a main pressing direction and a force effect which additionally reinforces the combination of the material particles in a direction deviating from the main pressing direction in the sense of a shear or shear stress and / or a rotating stress.
  • the loading of the feed material can also cause the latter to heat up, as well as elements that come into contact with it. This promotes the formation of a hard outer skin of the pressed body.
  • the pressed body produced according to the method described can only be used for the filling material make up the coke oven or the same can be added to the non-compacted material, e.g. fine coal. It depends on the properties of the components whether the compact is used alone as a filling material or whether it is mixed with fine coal.
  • the admixture of strongly baking coals to the compacts produced from weakly baking coals according to the described method can have a more favorable effect on the coke strength than if the mixture of both coals is completely compacted.
  • the method according to the invention is carried out particularly favorably in such a way that the material is shaped like a strand during the feed movement in the main pressing direction and is then subjected to an action which leads to division into pieces.
  • This action can be a cutting, dividing or breaking, to which the strand formed is subjected, or it can in particular be such that the strand formed is subjected to the action of gravity, so that individual pieces break off under their influence.
  • the main pressing direction is expediently chosen to be essentially vertically downward and the strand has a sufficient free path on which it is not supported or otherwise held.
  • the invention provides that heat is supplied to the material during the compacting process. This can, for example, by radiation or by using elements that come into contact with the feed material as a heat source.
  • the supply of heat also contributes to increasing the strength and results in particular in a hard outer shell of the pressed body.
  • the process according to the invention can be carried out with coal in the state in which it is obtained, i.e. with about 6 to 12% moisture.
  • dried feed material containing or preheated to over 100.degree. C. coal although the compacting can then only be carried out with the addition of substances which act as lubricants.
  • predried brown coal to the feed material, the proportion of the latter in the mixture of the feed material being 4 to 8 percent by weight.
  • the required strength of the compacts can also be achieved.
  • the invention further provides that an addition of comminuted high-melting hydrocarbons is added to the feed material, in particular if the coal is dried and preheated to over 100 ° C. eg of ground hard pitch, hard bitumen or coal extract.
  • Such an addition which in particular can amount to approximately 2 to 6% of the feed material, has a particularly favorable effect on the coke resistance, since these solid hydrocarbons act as "bakery bitumen".
  • a device designed in the manner of a roller press is used for the compacting process, which has a die with channels and at least one press wheel or the like which is rotatable relative to the die in the region of the channels of the latter. having.
  • it can be a device with a horizontally arranged, fixed, vertical channels having die, on which a pair of rollers designed as a pan mill rotates.
  • it is also possible to use a device in which a die with channels is rotated under a pair of rollers rotating on the spot.
  • At least one of the two parts which can be rotated relative to one another can be heated during the operation thereof, in particular with the aid of electrical heating elements or the like.
  • One embodiment of the method which is advantageous for achieving the highest possible bulk density in the coke oven chamber is that compacts of different unit weights and / or different sizes are produced simultaneously.
  • An advantageous device for forming pressed bodies which has a die provided with channels and at least one element which presses the feed material through the channels, in particular a device designed as a roller press, is characterized according to the invention in that the die has channels of different diameters.
  • the channels in particular also have different lengths.
  • Such a device is particularly suitable for carrying out the method explained. It can be used to produce different compacts in one operation in order to achieve a high bulk density in the coke oven chamber.
  • the device is also important for the production of compacts of different weights or sizes from other feed material and for other purposes.
  • FIG. 3 is a top view of FIG. 2
  • Fig. 5 shows an advantageous embodiment of a die in plan view
  • Fig. 6 shows a section along the line VI - VI in Fig. 5 on a slightly different scale.
  • the feed material A is given a feed movement in the main pressing direction when compacted by compressive forces D acting in a main pressing direction P, and forces are also applied to the feeding material, the direction of which deviates from the main pressing direction P. or runs transversely to it, as indicated by the arrow S, so that the feed material is simultaneously subjected to a shear or shear stress.
  • Such feed and shear forces can be generated in different ways.
  • Fig. 1 shows a on the top of a molding M, such as a plate, displaceable body G with a wedge-shaped inclined front, which acts on the feed material ⁇ in the manner explained and acts on it in a movement in the direction of arrow Z in the manner explained thereby pushes through an opening K in the mold M.
  • This opening advantageously has a round, namely circular, cross section.
  • rotating loads can also be achieved in the feed material.
  • the body G can also be chamfered at both ends, as shown, and can then be moved back and forth in the direction of the double arrow Z '.
  • FIG. 2 and 3 illustrate an embodiment of the method in which the stresses to be imparted to the feed material A are applied by a wheel-like body R. become, which is rotatable on a horizontal axis C, which is pivotable about a vertical axis E (FIG. 3) or rotatable by means of such an axis in the direction of arrow U, so that the wheel body R is again provided in a molding tool M. Opening K can be moved away.
  • the vertical axis E is at a distance from the opening K.
  • the width of the wheel body R is larger than the diameter of the opening K which is circular in cross section.
  • the compacted strand emerging from the opening K breaks off by itself after a certain length or can be brought to a break by a short blow, so that individual pressed bodies are produced.
  • 4 shows a device suitable for the method according to the invention in its entirety.
  • This contains a housing with, for example, a closed jacket 2 or several legs 1 and an upper part 3. Both parts are releasably connected to each other by a flange 4.
  • a die 6 for example made of steel, is inserted, which contains a plurality of channels 7 in an annular region B, the shape of which is essentially cylindrical.
  • press wheels 8 On the top of the die 6 run two press wheels 8 in the embodiment shown, the width of which is somewhat larger than the width of the ring region B containing the channels 7, so that the latter fully covers the circulation of the press wheels 8 and thereby with the weight of the press wheels and the build-up pressure is applied.
  • the press wheels 8 are rotatably mounted on a horizontal axis which is held by the lower part 9 of a vertical shaft 10.
  • the shaft 10 runs in axial and radial bearings 11, 12 and carries a gear 13 which is connected to it in a rotationally fixed manner and which, via further gear members, indicated only by dash-dotted lines 14, e.g. Gears can be driven to rotate by an electric motor 16, a pinion seated on the output shaft of the latter being designated by the number 15.
  • the press wheels 8 can feed material, approximately weaker through an inlet 17 baking hard coal in granular form and with normal moisture.
  • the size of the inlet can or the like by means of a slide, not shown. changed or blocked.
  • the feed material is pressed by the press wheels 8 as they circulate into the channels 7 of the die 6, as has been explained above in principle in connection with FIGS. 2 and 3, and leaves them in the form of fixed press strands.
  • the die 6 is also provided with a heating device, which is largely indicated schematically by the letter H, energy supply lines with the number. 18 are designated.
  • a heating device which is largely indicated schematically by the letter H, energy supply lines with the number. 18 are designated.
  • This can be a resistance heater, an inductive heating device or some other suitable embodiment, it still being possible to heat the entire die or only the vicinity of the channels 7.
  • the temperature can be selected according to the type of feed material, specifically so that the softening point of the material or a component thereof is reached or exceeded. This leads to melting and welding phenomena during the press molding, especially in the area of the edge zone.
  • a die for the production of the pressed bodies has channels with different diameters, so that differently sized or heavy pressed bodies are obtained simultaneously in one and the same production process.
  • FIGS. 5 and 6 each show a part of a die 21, namely a die for a roller press of the type shown in FIG. 4 or similar, which has two groups of channels 22 and 23 with different diameters D1 and D2.
  • the term channel here means a cylindrical part of the entire passage in the die 21 which represents the actual compacting space.
  • conical regions 24, 25 and cylindrical end regions 26, 27 adjoin it.
  • the channels 23 with the larger diameter D2 are longer than the channels 22 with the smaller diameter D1.
  • the die can also have more groups with other different dimensions.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Coke Industry (AREA)

Abstract

Le procede pour la fabrication de coke, en particulier de coke metallurgique, utilise des quantites considerables de houille d'agglutination faible ou relativement faible, qui est soumise a un compactage afin d'obtenir des corps presses; ces corps presses sont utilises seuls ou melanges avec du materiau supplementaire comme charge dans un four a coke en vue de la cokefaction. La houille (A) est soumise pendant le compactage a des forces agissant selon differentes directions (D, T) pour la creation d'efforts de cisaillement et/ou d'efforts de torsion. Ceci provoque une fixation mutuelle des particules de charbon pour obtenir des corps presses de haute resistance et ayant un bon degre de conservation. Pendant le compactage on peut amener de la chaleur au materiau. Un dispositif pour la mise en oeuvre du procede comprend une matrice et un organe qui fait passer le materiau a travers les canaux de la matrice. Ces canaux ont des diametres differents et peuvent, en outre, avoir des longueurs differentes.
PCT/DE1978/000032 1977-11-11 1978-11-10 Procede et dispositif pour la fabrication de coke WO1979000277A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR7808710A BR7808710A (pt) 1977-11-11 1978-11-10 Processo e dispositivo para a obtencao de coque
JP50011778A JPS54500037A (fr) 1977-11-11 1978-11-10

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772750414 DE2750414A1 (de) 1977-11-11 1977-11-11 Verfahren und vorrichtung zur herstellung von koks
DE2750414 1977-11-11

Publications (1)

Publication Number Publication Date
WO1979000277A1 true WO1979000277A1 (fr) 1979-05-17

Family

ID=6023478

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1978/000032 WO1979000277A1 (fr) 1977-11-11 1978-11-10 Procede et dispositif pour la fabrication de coke

Country Status (9)

Country Link
EP (1) EP0002198A1 (fr)
JP (1) JPS54500037A (fr)
AU (1) AU4153678A (fr)
DE (1) DE2750414A1 (fr)
GB (1) GB2008612A (fr)
IT (1) IT1100482B (fr)
PL (1) PL210903A1 (fr)
WO (1) WO1979000277A1 (fr)
ZA (1) ZA786371B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018189014A1 (fr) * 2017-04-13 2018-10-18 Thyssenkrupp Industrial Solutions Ag Dispositif et procédé de compactage de matières premières carbonées et utilisation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2298609A (en) * 1995-02-28 1996-09-11 Collag Manufacturing Limited Apparatus for producing an extrudate
ITRM20020145A1 (it) * 2002-03-15 2003-09-15 Fulvio Soldaini Trafila perfezionata per macchine pellettizzatrici, macchina pellettizzatrice che comprende tale trafila perfezionata e metodo per la produz
JP6117980B1 (ja) * 2016-09-05 2017-04-19 株式会社大貴 排泄物処理材の製造方法及び製造装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667430A (en) * 1948-11-29 1952-02-27 Directie Staatsmijnen Nl Apparatus for the manufacture of fuel briquettes and the like
GB807433A (en) * 1953-11-24 1959-01-14 Coal Industry Patents Ltd Improvements in and relating to the manufacture of briquettes from coal and other material
DE1132894B (de) * 1955-12-27 1962-07-12 Bergwerksverband Ges Mit Besch Verfahren zur Herstellung von reaktionsfaehigen Koksen
US3058891A (en) * 1957-11-06 1962-10-16 Roechlingsche Eisen & Stahl Process and apparatus for the production of coke
GB920832A (en) * 1958-04-11 1963-03-13 Coal Industry Patents Ltd Improvements in or relating to the removal of liquids from a solids-liquids mixture
GB945874A (en) * 1958-09-09 1964-01-08 Coal Industry Patents Ltd Improvements in or relating to briquetting
GB963435A (en) * 1960-05-21 1964-07-08 Charbonnages De France Improved method for obtaining metallurgical coke from poorly-coking coals
DE2622265B1 (de) * 1976-05-19 1977-03-10 Projektierung Chem Verfahrenst Vorrichtung zum einbringen von gut in einen behandlungsraum o.dgl.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667430A (en) * 1948-11-29 1952-02-27 Directie Staatsmijnen Nl Apparatus for the manufacture of fuel briquettes and the like
GB807433A (en) * 1953-11-24 1959-01-14 Coal Industry Patents Ltd Improvements in and relating to the manufacture of briquettes from coal and other material
DE1132894B (de) * 1955-12-27 1962-07-12 Bergwerksverband Ges Mit Besch Verfahren zur Herstellung von reaktionsfaehigen Koksen
US3058891A (en) * 1957-11-06 1962-10-16 Roechlingsche Eisen & Stahl Process and apparatus for the production of coke
GB920832A (en) * 1958-04-11 1963-03-13 Coal Industry Patents Ltd Improvements in or relating to the removal of liquids from a solids-liquids mixture
GB945874A (en) * 1958-09-09 1964-01-08 Coal Industry Patents Ltd Improvements in or relating to briquetting
GB963435A (en) * 1960-05-21 1964-07-08 Charbonnages De France Improved method for obtaining metallurgical coke from poorly-coking coals
DE2622265B1 (de) * 1976-05-19 1977-03-10 Projektierung Chem Verfahrenst Vorrichtung zum einbringen von gut in einen behandlungsraum o.dgl.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018189014A1 (fr) * 2017-04-13 2018-10-18 Thyssenkrupp Industrial Solutions Ag Dispositif et procédé de compactage de matières premières carbonées et utilisation

Also Published As

Publication number Publication date
GB2008612A (en) 1979-06-06
IT1100482B (it) 1985-09-28
AU4153678A (en) 1979-05-17
JPS54500037A (fr) 1979-10-18
IT7829629A0 (it) 1978-11-09
DE2750414A1 (de) 1979-05-17
EP0002198A1 (fr) 1979-06-13
PL210903A1 (pl) 1979-08-27
ZA786371B (en) 1979-10-31

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