EP3551772A1 - Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques - Google Patents
Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiquesInfo
- Publication number
- EP3551772A1 EP3551772A1 EP17828850.2A EP17828850A EP3551772A1 EP 3551772 A1 EP3551772 A1 EP 3551772A1 EP 17828850 A EP17828850 A EP 17828850A EP 3551772 A1 EP3551772 A1 EP 3551772A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- milk
- calcium particles
- weight
- calcium
- particles
- 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
Links
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 48
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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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
Definitions
- the present invention relates to the field of handling tanks and slag pockets used in ferrous or non-ferrous metallurgy.
- slag also known as slag
- slag floats above the bath of molten metal because of its lower density than that of the molten metal.
- a first technique lies in the tilting of the tank in which it floats above the bath of molten metal.
- the slag can also be collected by scraping or overflow during tilting.
- tanks or slag ladle which are typically formed of refractory, cast iron or steel (English cast iron or steel).
- blast furnace slags and steel mill slags are distinguished.
- Blast furnace slag is a co-product of the manufacture of iron in a blast furnace, where it corresponds to the sterile gangue of iron ore, to which are added mineral additions and ashes of fuel, especially coke, coal and / or alternative fuels. It thus separates from the liquid iron by difference of density.
- the quantity of slag produced corresponds directly to the richness of the iron ore used.
- a proportion of 180 to 350 kg of slag is generally reached for one ton of cast iron produced.
- Steelmaking slag comes from pyrometallurgical tools, such as various refining tools such as tools for desulphurizing cast iron, converters converting steel cast iron (BOF-Basic Oxygen Furnace), electric furnaces (EAF-Electric Arc Furnace), stainless steel refining converters (AOD-Argon Oxygen Decarburization) and various secondary metallurgy shaping tools.
- various refining tools such as tools for desulphurizing cast iron, converters converting steel cast iron (BOF-Basic Oxygen Furnace), electric furnaces (EAF-Electric Arc Furnace), stainless steel refining converters (AOD-Argon Oxygen Decarburization) and various secondary metallurgy shaping tools.
- the role of the steelmaking slag is to collect impurities and undesirable chemical elements.
- the latter are in the vast majority of cases in the form of oxides. They are usually generated during the use of the pyrometallurgical tool concerned.
- a high lime content will, for example, make the slag capable of capturing the phosphorus oxides from the converter, which makes it possible to use it as a fertilizer.
- a high lime content makes the slag basic, which is favorable to the capture of inclusions of alumina.
- this slag must also spare the refractory bricks.
- the present invention relates more particularly to the field of handling tanks and slag pockets but also crucibles and shells, steel or cast iron, used in metal preparation workshops in ferrous or non-ferrous metallurgy.
- the slag concerned in the context of the present invention is steelmaking slag or non-ferrous metallurgy.
- slag tanks vats, bags, crucibles, shells and the like in steel or cast iron intended to collect steelmaking slags or the metallurgical industry.
- the sludge tanks must be maintained above 150 ° C to prevent any accumulation of water. Indeed, this would cause explosions when pouring slag itself at a temperature of more than 120CTC. It is therefore common practice to heat the slag tanks before they are put into service. When using slag tanks, their temperature remains stable and most often above 250 ° C thanks to the accumulation and retention of heat from the slag. The difference in coefficient of expansion between the slag and the cast iron or steel constituting the tank should indeed cause detachments when the temperature of the tank fluctuates. However, during a regime use, it does not fluctuate enough to cause detachments. Therefore, the formation of "wolf” or "clinker” (in English "skull” or in German “bar” or in Dutch “beer”) is favored. The present invention aims among others to overcome this lack. .
- this layer deposited mineral may involve the formation of an intermediate slag phase by means of an endothermic reaction that provides a cooling effect, or on the contrary, the formation of an intermediate phase at higher melting point, or else, play on other effects in relation to a phase transformation, such as playing on the expansion or on the withdrawal.
- suspensions comprise compounds in a mixture whose composition has an impact on the composition of the slag whose chemical properties are thus modified, such as for example the basicity (determined by the ratio of the amount of basic elements to the amount of acidic elements in the solid fraction), basicity which is modified by adapting the basicity of the suspension according to the basicity of the slag poured into the tank or slag bag.
- JP2015094020 and JPS83295458 are, for example, treatment status by lime suspensions.
- JP2015094020 discloses treating the inner surface of slag tanks by spraying a slurry of lime for use in the hot slag recycling process during the course of desulfurization treatment.
- the spray pipe of the lime slurry is connected to a lime slurry tank, in which the lime slurry has a lime concentration of 13.5 to 15% by weight based on the total slurry weight of lime.
- the excess slurry of lime and washing water both sprayed on the inner surface of the slag tanks returns to the lime suspension tank.
- JPS63295458 also discloses that slaked lime is fed on the wall of the slag tanks to facilitate the emptying of slag from the tank, when it is cooled and set in mass.
- this document does not disclose any characteristic of the lime, nor how or even to what extent it is applied to the inner wall of the slag tanks. Moreover, it does not describe anything about the dumping of slag by spillage. On the contrary, according to this document, it is expected the setting of the mass slag to be removed from the tank or slag bag.
- the invention aims to overcome the drawbacks of the state of the art by providing a method providing optimized pretreatment tanks and slag pockets of steel or cast iron to facilitate the handling of it on the steel sites pyro metallurgy between the point of collection of the slag at the level of the steel or pyrometallurgical tool and the dumping of the slag in a disposal site, typically a landfill site.
- a tank handling method or slag bag comprising an inner wall and an outer wall, said method comprising the steps of a) collecting a slag in said tank or pocket to slag of a pyrometallurgical tool,
- the method according to the present invention is characterized in that said tank or slag pocket is a tank or ladle made of steel or cast iron and in that said mineral suspension comprises calcium particles suspended in an aqueous phase forming a milk of calcium particles and optionally additives, wherein the said calcium particles are selected from the group consisting of slaked lime, decarbonated dolomite at least partially extinguished, limestone and mixtures thereof and having a content of calcium particles of between 20 and 60% by weight relative to the weight of said milk of calcium particles, said mineral layer being a thin layer.
- the term “commissioning” means the circulation of the tank or slag pocket for the role that is expected of a tank or slag pocket, namely the collection of dairy.
- the process according to the present invention focuses on steel or cast iron tanks.
- the choice concerning the pockets or slag tanks made of steel or cast iron (and not refractory), makes it possible to make the most of the difference in the coefficient of expansion between the materials. of metal type forming the tanks or slag pockets and the oxides forming the slag.
- the specific concentration of between 20 and 60% of calcium particles in the milk of calcium particles makes it possible, when milk of calcium particles is sprayed, that the water contained in the suspension evaporates almost instantaneously on contact with the hot wall and that a layer of calcium particles is applied and thus forms a thin and homogeneous layer, which does not affect the concentration of calcium particles in the slag, but also avoids bringing residual water into the slag, which is dangerous for the handling of the tank or slag bag.
- the temperature of the tank or the pocket is higher than 100 ° C, which leads to the evaporation of the water contained in the milk of calcium particles and thus leaves a thin and homogeneous layer of calcium particles.
- the term "tank or slag pocket lined with a mineral layer on a surface” is meant that about 70%, for example more than 80%, especially more than 85%, or even more 90% of the surface is lined with a thin mineral layer.
- Calcium oxide, CaO is often referred to as “quicklime”, while calcium hydroxide, Ca (OH) 2, is referred to as “hydrated lime” or “slaked lime”, both compounds being informally named “lime”.
- lime is an industrial product respectively based on oxide or calcium hydroxide.
- lime is meant a mineral solid whose chemical composition is mainly calcium oxide, CaO. Quicklime is generally obtained by calcination of limestone (mainly composed of CaCO 3 ).
- the quicklime may also contain impurities such as magnesium oxide, MgO, sulfur oxide, SO 3 , silica, SiO 2 , or alumina, Al 2 O 3 , whose sum is at a rate of a few% by weight.
- the impurities are expressed here in their oxide form, but of course they may appear in different phases.
- Quicklime usually also contains some% by weight of residual limestone, called incinerated residues.
- the suitable quicklime according to the present invention may comprise MgO, expressed in the form of MgO, in an amount ranging from 0.5 to 10% by weight, preferably less than or equal to 5% by weight, plus preferably less than or equal to 3% in weight, most preferably less than or equal to 1% by weight relative to the total weight of quicklime.
- quicklime is used in the presence of water.
- Calcium oxide in quicklime reacts rapidly with water to form calcium dihydroxide Ca (OH) 2 , in the form of slaked lime or hydrated lime, in a reaction called hydration or quenching reaction. which is very exothermic.
- the calcium dihydroxide will be simply called calcium hydroxide.
- the slaked lime can therefore contain the same impurities as those of the quicklime from which it is produced.
- the slaked lime may also comprise g (OH) 2 in an amount ranging from 0.5 to 10% by weight, preferably less than or equal to 5% by weight, more preferably less than or equal to 3% by weight. weight, most preferably less than or equal to 1% by weight relative to the total weight of the slaked lime.
- the slaked lime may also comprise calcium oxide, which may not have been fully hydrated during the quenching step, or calcium carbonate CaCO 3 .
- Calcium carbonate can come from the original limestone (incense) from which the slaked lime is obtained (via calcium oxide), or from a partial carbonation reaction of the slaked lime by contact with a slag. atmosphere containing C0 2.
- the amount of calcium oxide in the slaked lime according to the present invention is generally less than or equal to 3% by weight, preferably less than or equal to 2% by weight and more preferably less than or equal to 1% by weight relative to the total weight of the slaked lime.
- the amount of CO 2 in the slaked lime (mainly in the form of CaCO 3 ) according to the present invention is less than or equal to 5% by weight, preferably less than or equal to 3% by weight, more preferably less than or equal to 2% by weight, relative to the total weight of the slaked lime according to the present invention.
- milk of lime is intended to mean a suspension of solid particles of slaked lime in an aqueous phase at a concentration greater than or equal to 200 g / kg.
- the solid particles can obviously contain impurities, namely phases derived from SiO 2 , Al 2 O 3 , Fe 2 O 3 , MnO, P 2 O 5 and / or SO 3 , generally representing a few tens of grams per kilogram.
- These solid particles may also contain calcium oxide which would not have been hydrated during extinction, just as they may contain calcium carbonate CaCO 3 and / or magnesium MgC (3 ⁇ 4, possibly combined under the form of duty.
- milk of calcium particles is intended to mean a suspension of solid calcium particles in an aqueous phase at a concentration greater than or equal to 200 g / kg.
- the duty includes both calcium carbonate and magnesium carbonate in varying proportions as well as various impurities.
- the cooking of the duty causes the release of C0 2 (decarbonation) and a bright dolomitic product is obtained, namely composed mainly of CaO and MgO, although carbonates, especially CaCC1 ⁇ 2, can remain in more or less significant amount.
- a bright dolomitic product is obtained, namely composed mainly of CaO and MgO, although carbonates, especially CaCC1 ⁇ 2, can remain in more or less significant amount.
- water is added to hydrate the live portion of the decarbonated layer. Since the avidity of CaO for water is much higher than that of MgO for water, it is often necessary to hydrate under pressure, for example in an autoclave, resulting in a product that is at least partially hydrated.
- the term "limestone” means a natural mineral material derived from calcareous ore or, when the properties must be controlled, derived from the carbonation of quicklime.
- the limestone meets the general formula CaCC1 ⁇ 2 and can obviously contain impurities.
- the milk of calcium particles is a milk of lime and said calcium particles are particles of slaked lime.
- the demolding effect of the mineral layer allows the slag to be dumped, carrying with it the mineral layer and leaving the tank or slag pocket perfectly clean for the following operations.
- the slaked lime is in any case transformed into quicklime because of the slag temperature which is higher than 1200 ° C. This transformation releases water vapor that takes off the slag spilled at the many hooking points formed between the slag and the inner wall of the tank or slag pocket. This significantly reduces the total slag surface adhering to the mineral layer formed of lime particles.
- the mineral layer comprising calcium hydrate is carbonate and thus becomes a layer of calcium carbonate.
- the slag is poured onto the calcium carbonate, since the upper slag temperature to 1200 ° C, calcium carbonate is decarbonated and shape of the quicklime by liberation of C0 2 and not more than steam (although both phenomena can occur simultaneously).
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 5 o of between 1.5 ⁇ and 10 ⁇ m.
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 50 of less than or equal to 8 ⁇ , in particular less than or equal to 6 ⁇ , more particularly less than or equal to 5 ⁇ , especially less than 4 ⁇ .
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 50 greater than or equal to 2 ⁇ , in particular greater than or equal to 2.5 ⁇ ,
- the notation dx represents a diameter, expressed in ⁇ m, relative to which X% of the particles or grains measured are smaller.
- the reactivity of a milk of lime is thus evaluated by the evolution over time of the measurement of the conductivity of a solution prepared by diluting a small quantity of milk of lime in a large volume of demineralized water.
- the corresponding dissolution time t (x%) in s is then obtained from the graph conductivity vs. time (see Figure 2 of EN12485 (2010)).
- said mineral suspension when said mineral suspension contains or is a milk of lime, it has a reactivity expressed in the form of a dissolution time t (90%) greater than 0.1 s in particular greater than 0.2 s and less than 10 s, in particular less than 5 s.
- the slaked lime particles have a particle size sufficiently fine to also contribute to the formation of a thin mineral layer, in particular homogeneous, participating in the simplification of the demolding slag.
- said milk of calcium particles has a stability characterized by the test of the bottle as described in WO 2001/096240.
- said additives of said inorganic suspension are chosen from the group consisting of carbohydrates as well as dispersants and fluidizing additives, such as polycarbonates or polyacrylates, or polyphosphonates, in particular DTP P.
- said dispersant or fluidifying additives of said mineral suspension are present at a mass content of between 0.2 and 5% relative to the weight of said inorganic suspension.
- the content of said additives is less than or equal to 3%, in particular less than or equal to 2%, more particularly less than or equal to 1.5% relative to the weight of said inorganic suspension.
- the content of said additives is greater than or equal to 0.5%, relative to the weight of said mineral suspension.
- the mineral suspension is lined on the inner wall of the tanks or slag pockets.
- additives may be present in said mineral suspension, in particular one or more carbohydrates with one or more dispersing or fluidizing agents.
- the water contained in the suspension evaporates almost instantaneously in contact with the hot wall. If the mineral suspension contains a carbohydrate, the evaporation of the water contained in the mineral suspension causes a rapid increase in the concentration of carbohydrate to form a weak adhesive promoting the adhesion of the calcium particles to the walls slag tank, also due to the temperature of the tank or slag pocket, which is above 100 ° C.
- the temperature of the slag produces a carbohydrate calcination reaction, possibly simultaneously with the dehydration of the calcium hydroxide when the calcium particles are particles of slaked lime or decarbonated dolomite at least partially hydrated, which facilitates the demolding of the slag, these phenomena occurring at 500 ° C.
- the fine mineral layer formed by spraying makes it possible, at the moment of the dumping of the slag in the tank or slag pocket, to produce a shear plane behind the mineral layer (at the interface between the inner wall of the tank or slag pocket and the mineral layer).
- the shear plane can be produced a priori because the presence of the carbohydrate plays the role of a weak glue, compared to the potential adhesion of the slag to the inner wall of the tank or slag pocket.
- the mineral layer "stuck" on the inner wall of the tank or slag pocket is composed of fine mineral particles.
- the temperature of the tank or slag pocket just before the slag discharge has a temperature typically from 100 ° C to 350 ° C, at which temperature the mineral particles are stable.
- the mineral layer can therefore be applied to the tank or slag pocket well before use. Slotted vats or slag pockets can even be stored
- Dispersants or fluidizing agents for example at a content between 0 and 5%, preferably between 0.05 and 3%, more particularly between 0.1 and 2%, may for example be polymeric or inorganic additives such as for example anionic polymers or acid polymers, boric acid and water-soluble boric acid salts, such as, for example, alkali metal borates, aluminum borates, C 2 to C 10 carboxylic acids for example containing at least 2 acid groups and salts thereof, such as, for example, alkali metal salts or ammonium salts; hydroxides, carbonates, sulphates, nitrates, phosphates, alkali metals or ammonium.
- polymeric or inorganic additives such as for example anionic polymers or acid polymers, boric acid and water-soluble boric acid salts, such as, for example, alkali metal borates, aluminum borates, C 2 to C 10 carboxylic acids for example containing at least 2 acid groups and salts thereof, such as, for example,
- anionic polymer used in the context of the present invention describes all polymers containing acid groups in free, neutralized or partially neutralized form.
- anionic polymers which are suitable in the context of the present invention may be chosen from commercially available anionic dispersants used for the production of inorganic suspensions such as:
- homopolymers prepared using an acidic monomer such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, itaconic anhydride, aconitic acid, crotonic acid, isocrotonic acode, mesaconic acid, vinyl acetic acid, hydroxyacrylic acid, undecylenic acid, allyl sulphonic acid, vinyl sulphonic acid, allyl phosphonic acid, vinyl phosphonic acid, 2-acrylamido-2-methylpropane sulphonic acid or 2-acrylamidoglycoltic acid.
- an acidic monomer such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, itaconic anhydride, aconitic acid, crotonic acid, isocrotonic acode, mesaconic acid, vinyl acetic acid, hydroxyacrylic acid, undecylenic acid, allyl
- copolymers prepared using at least one monomer of the group mentioned above and optionally one or more nonacidic monomers such as, for example, acrylamide, acrylic acid esters, acrolein, methacrylic acid esters, esters, of maleic acid, itaconic acid esters, fumaric acid esters, vinyl acetate, acrylonitrile, styrene, alpha-methyl styrene, N-vinyl pyrrolidone, acrylate hydroxyethyl, 2-hydroxyethyl methacrylate, dimethyl acrylamide, N- (hydroxymethyl) acrylamide or vinyl formamide.
- nonacidic monomers such as, for example, acrylamide, acrylic acid esters, acrolein, methacrylic acid esters, esters, of maleic acid, itaconic acid esters, fumaric acid esters, vinyl acetate, acrylonitrile, styrene, alpha-methyl styrene, N-vinyl
- polymers may be in the form of free acid, alkali metal salts, partially or completely, mixed salts, soluble in water.
- the preferred anionic polymers are formed of acrylic acid with one or other of the monomers selected from acrylamide, dimethylacrylamide, methacrylic acid, maleic acid or AMPS (2-acrylamido-2-acid). methylpropanesulfonic acid) in a preferred composition of 100: 0 to 50:50 (by weight) and fully neutralized as a sodium salt.
- said dispersant or fluidizing agent is a phosphonate or a phosphonic acid chosen from organophosphonic acids, nitrogenous or non-nitrogenous, or salts thereof, more particularly in the group consisting of aminoalkylene polyphosphonic acids, wherein the alkylene radical contains from 1 to 20 carbon atoms, hydroxyalkylidene polyphosphonic acids, wherein the alkylidene radical contains from 2 to 50 carbon atoms, phosphonyl acids, alkanepolycarboxylic acids, wherein the alkane group contains from 3 to 12 carbon atoms and wherein the molar ratio of the alkylphosphonic acid radical to the carboxylic acid radical is in the range of 1: 2 to 1: 4, their derivatives, such as their salts, and their mixtures.
- said phosphonate or phosphonic acid comprises, in acid form, from 2 to 8, preferably from 2 to 6, "phosphonic acid" groups.
- said phosphonate or phosphonic acid is selected from the group consisting of aminotris (methylenephosphonic acid) (ATMP), 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP), ethylenediamine tetrakis acid ( methylenephosphonic acid) (EDT P), hexamethylenediamine tetrakis (methylenephosphonic acid) (HDTMP), diethylenetriamine pentakis (methylenephosphonic acid) (DTPMP), (2-hydroxy) ethylamino-N, N-bis ( Methylenephosphonic acid (HEMPA), 2-phosphono-1,2,4-butanetricarboxylic acid (PBTC), 6-amino-1-hydroxyhexylene-N, N-diphosphonic acid (neridronic acid), ⁇ , ⁇ '-bis (3-aminopropyl) ethylenediamine hexakis (methylenephosphonic acid), bis (hexamethylenetriamine) pentakis (methylenephosphonic
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose, glucuronic acid, gluconic acid, erythritol, xylitol, lactitol, maltitol, dextrines, cyclodextrins, inulin, glucitol, uronic acid, rhamnose, arabinose, erythrose, threose, ribose, allose, trehalose, galacturonic acid, and mixtures thereof.
- disaccharides such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, of sorbitol! and their mixtures.
- these carbohydrates are known to reduce the viscosity of lime milk and keep it low over time, making it easier to storage conditions for whitewash.
- said milk of calcium particles has a viscosity of between 0.1 Pa.s and 2 Pa.s, ie between 100 cps and 2000 cps.
- the viscosity is greater than 0.15 Pa.s and less than 1 Pa.s, preferably less than 0.6 Pa.s, more preferably less than 0.5 Pa.s, even more preferably less than 0. , 3 Pa.s.
- the viscosity of a whitewash is a decisive property for the implementation and handling (pumping, transport in pipe, ...) of the suspension.
- the experiment has established that the dynamic viscosity of the suspension should be less than 2 Pa.s (US 5616283) and that it is desirable not to exceed a dynamic viscosity of 1.5 Pa. s (WO 2007110401).
- the viscosity in the context of the present invention is measured by means of a Brookfield DV-ill viscometer (rheometer) at 100 rotation / min (rpm) using a LV # 3 needle.
- said milk calcium particles of calcium particles have a particle size dg 7 of between 7 and 100 ⁇ .
- said milk particles calcium particles have a particle size dg 7 greater than or equal to 10 ⁇ m and less than or equal to 20 ⁇ m, in particular less than or equal to 15 ⁇ .
- said milk of calcium particles has a content of calcium particles greater than or equal to 25% by weight, preferably greater than or equal to 27% by weight, preferably greater than or equal to 30% by weight. % by weight, preferably greater than or equal to 35% by weight, relative to the total weight of milk of calcium particles and a content of calcium particles less than or equal to 55% by weight, preferably less than or equal to 50% by weight weight, preferably less than or equal to 48% by weight, relative to the total weight of the milk of calcium particles.
- said inorganic layer, lined on the inner wall has a layer thickness of between 0.1 and 5 mm, preferably between 0.15 and 3 mm, more preferably between 0.2 and 2 mm, in particular between 0.5 and 1 mm.
- the invention also relates to a use of a milk of calcium particles selected from the group consisting of slaked lime, decarbonated dolomite at least partially extinguished, limestone and mixtures thereof for upholstering an inner wall of a tank or a slag bag of steel or cast iron with a mineral layer of milk of calcium particles, wherein said milk of calcium particles is pulverized and has a content of calcium particles of between 20 and 60% by weight, relative to to the total weight of the milk of calcium particles.
- said mineral layer of milk of calcium particles has a layer thickness of between 0.1 and 5 mm, preferably between 0.15 and 3 mm, more preferably between 0.2 and 2 mm, in particular between 0 and , 5 and 1 mm.
- the milk of calcium particles is a milk of lime and said calcium particles are particles of slaked lime.
- said calcium particles of said mineral suspension have an average particle size d 50 of between 1.5 ⁇ and 10 ⁇ .
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 50 of less than or equal to 8 ⁇ , in particular less than or equal to 6 ⁇ m, more particularly less than or equal to 5 ⁇ , especially less than 4 ⁇ .
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 50 greater than or equal to 2 ⁇ , in particular greater than or equal to 2.5 ⁇ .
- said additives of said inorganic suspension are chosen from the group consisting of carbohydrates, dispersants, fluidizing additives, such as polycarbonates or polyacrylates, or polyphosphonates, in particular DTPMP.
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose, glucuronic acid, gluconic acid, erythritol, xylitol, lactitol, maltitol, dextrins, cyclodextrins, inulin, glucitol , uronic acid, rhamnose, arabinose, erythrose, threose, ribose, allose, trehalose, galacturonic acid, and mixtures thereof.
- disaccharides such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, malto
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol and mixtures thereof.
- said milk of calcium particles has a viscosity of between 0.1 Pa.s and 2 Pa.s.
- said calcium particles of calcium milk particles have a particle size d 97 of between 7 and 100 m.
- said milk of calcium particles has a content of calcium particles greater than or equal to 25% by weight, preferably greater than or equal to 27% by weight, preferably greater than or equal to 30% by weight, preferably greater than or equal to 35% by weight, relative to the total weight of the milk of calcium particles and a content of calcium particles of less than or equal to 55% by weight, preferably less than or equal to 50% by weight, preferably less than or equal to 48% by weight, relative to the total weight of the milk of calcium particles
- the present invention also relates to a pyro-metallurgical tool handling method comprising an inner wall and an outer wall, said method comprising the steps of
- Said outer wall is sometimes called boilerwork ("shell” in English or “pantser” in Dutch).
- said pyrometallurgical tool is a tool made of steel or cast iron and in that said mineral suspension comprises calcium particles suspended in an aqueous phase forming a milk of calcium particles, and optionally additives, the calcium particles being chosen from the group consisting of slaked lime, decarbonated dolomite at least partially extinguished, limestone and of their mixtures and having a content of calcium particles of between 20 and 60% by weight relative to the weight of said milk of calcium particles, said mineral layer being a thin layer.
- the process according to the present invention focuses on steel or cast iron tanks.
- the choice concerning the pockets or slag tanks made of steel or cast iron (and not refractory), makes it possible to make the most of the difference in the coefficient of expansion between the materials. of metal type forming tanks or slag pockets and slag oxides.
- the milk of calcium particles is a milk of lime and said calcium particles are particles of slaked lime.
- said calcium particles in the milk of calcium particles of said mineral suspension have an average particle size d 50 of between 1.5 ⁇ and 10 ⁇ .
- said calcium particles in the milk of calcium particles of said mineral suspension have a size particle average d 50 less than or equal to 8 pm, in particular less than or equal to 6 pm, more particularly less than or equal to 5 pm, more particularly less than 4 pm.
- said calcium particles in the milk of calcium particles of said inorganic suspension have an average particle size d 50 greater than or equal to 2 ⁇ m, in particular greater than or equal to 2.5 ⁇ m.
- the notation dx represents a diameter, expressed in ⁇ m, relative to which X% of the particles or grains measured are smaller.
- the reactivity of a milk of lime is thus evaluated by the evolution over time of the measurement of the conductivity of a solution prepared by diluting a small quantity of milk of lime in a large volume of demineralized water.
- the corresponding dissolution time t (x%) in s is then obtained from the graph conductivity vs. time (see Figure 2 of EN12485 (2010)) it is known that the dissolution rate of lime particles in demineralised water is faster (t (x%) smaller) when the particles is smaller.
- the reactivity of the milk of lime is generally higher when its constitutive particles are smaller.
- said mineral suspension when said mineral suspension contains or is a milk of lime, it has a reactivity expressed in the form of a dissolution time t (90) greater than 0.1 s in particular greater than 0.2 s and less than 10 s, in particular less than 5 s.
- the slaked lime particles have a particle size sufficiently fine to also contribute to the formation of a thin mineral layer, in particular homogeneous, participating in the simplification of the demolding slag.
- the stability of the milk of calcium particles or the inorganic suspension can be determined using the stability method known as the bottle test as described in WO 2001/096240.
- said additives of said mineral suspension are chosen from the group consisting of carbohydrates as well as dispersants and fluidifying additives and their mixture, such as polycarbonates or polyacrylates, or polyphosphonates, in particular DTPMP.
- additives may be present in said mineral suspension, in particular one or more carbohydrates with one or more dispersing or fluidizing agents.
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose, glucuronic acid, gluconic acid, erythritol, xylitol, lactitol, maltitol, dextrins, cyclodextrins, inulin, glucitol, uronic acid, rhamnose, arabinose, erythrose, threose, ribose, allose, trehalose, gaiacturonic acid, and mixtures thereof.
- disaccharides such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, malto
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol and mixtures thereof.
- these carbohydrates are known to reduce the viscosity of lime milk and keep it low over time, making it easier to storage conditions for whitewash.
- said milk of calcium particles has a viscosity of between 0.1 Pa.s and 2 Pa.s, ie between 100 cps and 2000 cps.
- the viscosity of a whitewash is a decisive property for the implementation and handling (pumping, transport in pipe, ...) of the suspension.
- the experiment has established that the dynamic viscosity of the suspension should be less than 2 Pa.s (US 5616283) and that it is desirable not to exceed a dynamic viscosity of 1.5 Pa. s (WO 2007110401).
- the viscosity in the context of the present invention is measured by means of a DV-III type Brookfieid viscometer (rheometer) at 100 rpm using a No. 3 LV needle.
- said calcium particles of milk of calcium particles have a particle size of 97 between 7 and 100 ⁇ .
- said milk of calcium particles has a calcium particles content greater than or equal to 25% by weight, preferably greater than or equal to 27% by weight, preferably greater than or equal to 30% by weight. % by weight, preferably greater than or equal to 35% by weight, relative to the total weight of the milk of calcium particles and a content of calcium particles of less than or equal to 55% by weight, preferably less than or equal to 50% by weight, preferably less than or equal to 48% by weight, based on the total weight of the milk of calcium particles.
- said inorganic layer, lined on the inner wall has a layer thickness of between 0.1 and 5 mm, preferably between 0.15 and 3 mm, more preferably between 0.2 and 2 mm, in particular between 0.5 and 1 mm.
- the present invention finally relates to a use of a milk of calcium particles selected from the restricted group consisting of slaked lime, decarbonated dolomite at least partially extinguished, limestone and mixtures thereof for upholstering an inner wall and / or an outer wall of a mineral layer of a pyrometallurgical tool of steel or cast iron to reduce the frequency of handling of said pyrometallurgical tool, wherein said milk of calcium particles is pulverized and has a content of calcium particles between 20 and 60% by weight, based on the total weight of the milk of calcium particles.
- said mineral lime milk layer has a layer thickness of between 0.1 and 5 mm, preferably between 0.15 and 3 mm, more preferably between 0.2 and 2 mm, in particular between 0, 5 and 1 mm.
- the milk of calcium particles is a milk of lime and said calcium particles are particles of slaked lime.
- said calcium particles of said mineral suspension have a mean particle size d 50 of between 1.5 and 10 pm ⁇ .
- said calcium particles in the milk calcium particles of said mineral suspension have an average size of less than s0 of particles or equal to 8 ⁇ , in particular less than or brightens to 6 pm, more preferably less than or equal to 5 pm, especially less than 4 ⁇ m.
- said calcium particles in the milk of calcium particles of said inorganic suspension have an average particle size d 50 greater than or equal to 2 ⁇ m, in particular greater than or equal to 2.5 ⁇ m.
- said additives of said mineral suspension are chosen from the group consisting of carbohydrates as well as dispersants and fluidizing additives, such as polycarbonates or polyacrylates, or polyphosphonates, in particular DTPMP .
- additives may be present in said mineral suspension, in particular one or more carbohydrates with one or more dispersing or fluidizing agents.
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose, glucuronic acid, gluconic acid, erythritol, xylitol, lactitol, maltitol, dextrins, cyclodextrins, inulin, glucitol uronic acid, rhamnose, arabinose, erythrose, threose, ribose, allose, trehalose, galacturonic acid, and mixtures thereof.
- disaccharides such as sucrose or sucrose, sorbitol, monosaccharides, oligosaccharides, xylose, glucose, galactose, fructose, mannose, lactose, maltose
- said carbohydrate is selected from the group consisting of disaccharides, such as sucrose or sucrose, sorbitol and mixtures thereof.
- said milk of calcium particles has a viscosity of between 0.1 Pa.s and 2 Pa.s.
- said milk calcium particles of calcium particles have a particle size of 97 between 7 and 100 ⁇ .
- said milk of calcium particles has a content of calcium particles greater than or equal to 25% by weight, preferably greater than or equal to 27% by weight, preferably greater than or equal to 30% by weight, preferably greater than or equal to 35% by weight, relative to the total weight of the milk of calcium particles and a content of calcium particles of less than or equal to 55% by weight, preferably less than or equal to 50% by weight, preferably less than or equal to 48% by weight, relative to the total weight of the milk of calcium particles
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Abstract
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BE20165908A BE1024470B1 (fr) | 2016-12-08 | 2016-12-08 | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
PCT/EP2017/081823 WO2018104447A1 (fr) | 2016-12-08 | 2017-12-07 | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
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AU (1) | AU2017373747B2 (fr) |
BE (1) | BE1024470B1 (fr) |
BR (1) | BR112019011470B1 (fr) |
ES (1) | ES2951208T3 (fr) |
FR (1) | FR3060019A1 (fr) |
MX (1) | MX2019006313A (fr) |
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BE1024470B1 (fr) * | 2016-12-08 | 2018-02-28 | Lhoist Rech Et Developpement Sa | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
BE1024286B1 (fr) * | 2016-12-08 | 2018-01-12 | S.A. Lhoist Recherche Et Developpement | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
CN112695142A (zh) * | 2020-12-09 | 2021-04-23 | 钢城集团凉山瑞海实业有限公司 | 一种防止冶金渣罐粘结的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3243397A (en) * | 1961-08-18 | 1966-03-29 | Gen Motors Corp | Mold and core coating composition from calcined hydrated aluminum silicate, mica, and bentonite |
BE794158A (fr) | 1972-01-17 | 1973-05-16 | Foseco Int | Enduits refractaires |
GB1593397A (en) * | 1976-10-12 | 1981-07-15 | Foseco Trading Ag | Slag pots |
JPS63295458A (ja) | 1987-05-26 | 1988-12-01 | Kazuhisa Hoshino | 電気炉製鋼で発生する熔融スラグの分割回収方法及びその再生処理方法 |
US5300144A (en) * | 1992-11-02 | 1994-04-05 | Martin Marietta Magnesia Specialties, Inc. | Binder composition |
US5437890A (en) | 1994-04-18 | 1995-08-01 | Edw. C. Levy Co. | Coatings for receptacles |
JPH085260A (ja) * | 1994-06-17 | 1996-01-12 | Suzuki Kogyo Kk | 溶融金属用容器及びそれの使用方法 |
US5616283A (en) | 1995-08-25 | 1997-04-01 | Chemical Lime Company | High solids lime as a caustic replacement |
GB0014522D0 (en) | 2000-06-15 | 2000-08-09 | Ciba Spec Chem Water Treat Ltd | Stabilised calcium hydroxide slurries |
EP1840097A1 (fr) * | 2006-03-27 | 2007-10-03 | Carmeuse S.A. | Stabilisation de suspension de lait de chaux |
JP5994764B2 (ja) | 2013-11-13 | 2016-09-21 | Jfeスチール株式会社 | スラグポット内面に石灰スラリーを散布する装置及び方法 |
BE1024470B1 (fr) * | 2016-12-08 | 2018-02-28 | Lhoist Rech Et Developpement Sa | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
BE1024286B1 (fr) * | 2016-12-08 | 2018-01-12 | S.A. Lhoist Recherche Et Developpement | Procédé de manutention de cuve ou poche à laitier et d'outils pyro-metallurgiques |
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- 2017-12-07 JP JP2019530041A patent/JP2020501024A/ja active Pending
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- 2017-12-07 TW TW106142873A patent/TWI750276B/zh active
- 2017-12-07 EP EP17828850.2A patent/EP3551772B1/fr active Active
- 2017-12-07 KR KR1020197018047A patent/KR20190092450A/ko unknown
- 2017-12-07 ES ES17828850T patent/ES2951208T3/es active Active
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US20190376746A1 (en) | 2019-12-12 |
BR112019011470B1 (pt) | 2022-07-19 |
US11221181B2 (en) | 2022-01-11 |
MY197305A (en) | 2023-06-12 |
AU2017373747B2 (en) | 2023-07-13 |
WO2018104447A1 (fr) | 2018-06-14 |
JP2020501024A (ja) | 2020-01-16 |
EP3551772C0 (fr) | 2023-06-07 |
KR20190092450A (ko) | 2019-08-07 |
BE1024470B1 (fr) | 2018-02-28 |
ZA201903542B (en) | 2020-12-23 |
BR112019011470A2 (pt) | 2019-10-22 |
PL3551772T3 (pl) | 2023-10-09 |
AU2017373747A1 (en) | 2019-06-20 |
ES2951208T3 (es) | 2023-10-18 |
TWI750276B (zh) | 2021-12-21 |
PH12019501214A1 (en) | 2019-08-19 |
MX2019006313A (es) | 2019-07-12 |
FR3060019A1 (fr) | 2018-06-15 |
TW201833338A (zh) | 2018-09-16 |
EP3551772B1 (fr) | 2023-06-07 |
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