CN102741640A - Melt container - Google Patents
Melt container Download PDFInfo
- Publication number
- CN102741640A CN102741640A CN2010800612686A CN201080061268A CN102741640A CN 102741640 A CN102741640 A CN 102741640A CN 2010800612686 A CN2010800612686 A CN 2010800612686A CN 201080061268 A CN201080061268 A CN 201080061268A CN 102741640 A CN102741640 A CN 102741640A
- Authority
- CN
- China
- Prior art keywords
- liquid
- layer
- melts
- mentioned
- container
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- F27B14/00—Crucible or pot furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/40—Details of walls
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- 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
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
A melt container that holds a melt of a metal and/or a melt of a metal salt therein is provided in which heat dissipation from the melt is slight and melt penetration and breakage or cracking are minimized. The container can not only satisfactorily hold the melt therein but also be prevented from causing contamination of the melt with impurities. The melt container is a container for holding a melt of a metal and/or a melt of a metal salt, and is characterized by including, disposed in the following order from the inside of the container, a first layer constituted of a refractory having an apparent porosity of 12% or less, a second layer constituted of a refractory having a thermal conductivity at 800 C of 4 W/mk or less, and a third layer constituted of a refractory having a higher thermal conductivity than the second layer.
Description
Technical field
The present invention relates to a kind of liquid that melts and keep container.
Background technology
As keeping metallic solution or the container that melts liquid (following also note is done " melt liquid and keep container "), use heating resisting metal container made or the iron ware as ladle (ladle) etc. as the molten salt.Iron ware as the ladle is used ceramic lined with the inboard of container usually.As this lining material, but generally use the unsetting refractory body of casting mold.
With the iron ware of such refractory body lining, if cracking or crack appear in the refractory body layer in using, then melt liquid and arrive iron crust, so the problem that liquid oozes out is melted in the damage of iron crust when serious.When iron crust damages, must peel the refractory body layer, apply unsetting refractory body once more, production efficiency descends in operation, and economic loss is also big.
In the past, in melting liquid maintenance container, in order to prevent that people have researched and developed various sandwich constructions or refractory body is formed by melting the damaged or corrosion that the liquid infiltration causes.
The outer portion that discloses in the patent documentation 1 at inner lining material is furnished with low-permeable setting material to form the induction furnace (induction furnace) of multilayer inner lining structure.In order to prevent that the outer portion that this induction furnace is formed on inner lining material is furnished with low-permeable setting material, the side layer is furnished with the double-layer structure of the unsetting refractory body of dry type in low melting point such as zinc, the low boiling metal penetration tissue in the liner refractory body of induction furnace within it.
Rotary kiln (rotary kiln) is disclosed in the patent documentation 2; This rotary kiln the inner face lining impermeability film of iron tank body and in its inboard brick layer that forms forming two-layer lining structure, so that the corrosion such as corrosive gas that iron tank body produces not by hydrochloric acid contained in the raw material of activated carbon and when making zinc oxide or titanium oxide.
The apparatus for testing weeping of sense melt furnace (induction melting furnace) is disclosed in the patent documentation 3.Solution at dissolution of metals keeps in the induction furnace; When containing the alloy of low-boiling metals such as zinc when dissolving; Form following double-layer structure: the solution that the inner face that contacts with solution is obtained by the sintered powder refractory material keeps lining to form, forms coil maintenance lining cylindraceous but be provided with by casting mold cement in its periphery.
Disclose the high durability nonferrous metal in the patent documentation 4 and used refractory body, this refractory body corrosion resistance and anti-spallation property (phenomenon that refractory body is peeled off because of be full of cracks, crack) in containers such as the molten ore deposit stove of the nonferrous metal except that aluminium (copper, zinc, lead etc.) usefulness, self-dissolving stove, converter, maintenance stove improve.This refractory body is with Al
2O
3As principal component, also contain ZrO
2, Cr
2O
3, SiO
2
But the liquid of putting down in writing at above-mentioned document that melts keeps in the container, then has no research about the lining structure of the compactness of portion's material of having considered to constitute this container, thermal insulation, heat conductivity, remains the space of further improvement.
For example, also made originally in the processing procedure (fabrication process) of high purity silicon, must do one's utmost to suppress sneaking into of impurity, and therefore hoped to use the more high performance liquid that melts to keep container at the zinc that utilizes silicon tetrachloride.Keep container as such liquid that melts, can enumerate: remain on the secondary zinc chloride that generates in the zinc reduction reaction of silicon tetrachloride melt liquid or this zinc chloride with melt liquid mixing of zinc melt liquid maintenance container etc.
In the processing procedure of high purity silicon, the secondary zinc chloride that generates separates into zinc and chlorine through the molten salt electrolysis usually, reclaims the zinc that separates, to be used as the reducing agent of silicon tetrachloride once more.
For highly purified silicon is used as the raw material that semiconductor is used or solar cell is used, in the processing procedure of high purity silicon, must do one's utmost to suppress sneaking into of impurity.Therefore, when as above-mentioned, reclaiming the secondary zinc chloride that generates and utilizing again, as keep the secondary zinc chloride that generates melt liquid or this zinc chloride with melt liquid mixing of zinc melt liquid maintenance container, must be can prevent to melt liquid by the container of contaminating impurity.
Up to now, the generation of the still untapped infiltration that can suppress to melt liquid of people and crack or cracking, can also prevent to melt liquid and kept container by the liquid that melts of contaminating impurity.Particularly about keep as above-mentioned zinc chloride melt liquid or this zinc chloride has no research with the formation portion material of the container that melts liquid mixing of zinc.
So people's strong request exploitation will be melted being suppressed at Min., being fit to keep melting liquid and not polluting this liquid that melts that melts liquid and keep container of infiltration and crack or cracking of liquid.
The prior art document
Patent documentation
Patent documentation 1: japanese patent laid-open 11-211359 communique
Patent documentation 2: japanese patent laid-open 6-26767 communique
Patent documentation 3: japanese patent laid-open 9-303971 communique
Patent documentation 4: japanese patent laid-open 7-61858 communique
Summary of the invention
Melting liquid keeps the required function that possesses of container that following 3 points are arranged:
I) heat insulation function, promptly to melt the thermal discharge of liquid few
Ii) keep function, promptly to melt the infiltration capacity of liquid few
Iii) prevent the function of the contaminating impurity of self-sustaining container
The container that melts liquid of metal chlorides such as maintenance zinc chloride; Exist and receive easily by from the pollution problems that causes with the impurity stripping of melting the container material that liquid contacts usually greatly, to the fusing effect (phenomenon that is present in the strippings such as oxide of the contact-making surface that melts liquid and container) of metal or oxide.Therefore, keep the essential certainly above-mentioned important document i of consideration aspect the container melting liquid) with ii), and particularly aspect the container that melts liquid that keeps metal chloride such as zinc chloride, requirement is satisfied above-mentioned important document iii).
The present invention establishes in view of above-mentioned actual conditions; Its purpose is to provide a kind of liquid that melts to keep container; This melts, and liquid maintenance container maintenance metal melts liquid and/or slaine melts liquid, and the thermal discharge that melts liquid is few, suppresses to melt the infiltration of liquid and the generation of crack or cracking; Not only be fit to keep melting liquid, can also prevent to melt liquid by contaminating impurity.
The inventor etc. further investigate in order to solve above-mentioned problem; The result finds: use the liquid that melts with specific sandwich construction to keep container; The thermal discharge that melts liquid is few, melt liquid infiltration and crack or cracking be suppressed in Min., not only be fit to keep melting liquid; Can also prevent to melt liquid, thereby accomplish the present invention by contaminating impurity.
That is, the invention relates to for example following [1]～[5].
[1] melt liquid and keep container, this melts, and liquid maintenance container maintenance metal melts liquid and/or slaine melts liquid, it is characterized in that:
Inboard from this container has in regular turn: the 1st layer, formed by the refractory body smaller or equal to 12% by apparent porosity; The 2nd layer, formed by refractory body smaller or equal to 4W/mk by the hot conductivity under 800; And the 3rd layer, form by the refractory body of hot conductivity greater than the 2nd layer.
[2] keep container like [1] described liquid that melts, it is characterized in that:
500 the liquid that melts was left standstill dipping in the time of 30 days, and forming above-mentioned the 1st layer material is smaller or equal to 0.2 weight % at the above-mentioned stripping quantity that melts in the liquid;
Constituting the hot conductivity of above-mentioned the 1st layer refractory body under 800 is more than or equal to 15W/mk;
The apparent porosity (apparent porosity) that constitutes above-mentioned the 2nd layer refractory body is smaller or equal to 20%;
The apparent porosity that constitutes above-mentioned the 3rd layer refractory body for smaller or equal to the hot conductivity under 12% and 800 for more than or equal to 15W/mk.
[3] keep container like [1] or [2] described liquid that melts, it is characterized in that: during with 500 melt liquid and keep 30 days, above-mentioned the 2nd layer of temperature with the 3rd layer interface is lower than the above-mentioned fusing point that melts liquid.
[4] keep container like each described liquid that melts in [1]～[3], it is characterized in that: the outside above-mentioned the 3rd layer also has metal level.
[5] keep container like each described liquid that melts in [1]～[4], it is characterized in that: above-mentioned metal melts the liquid that melts that liquid is zinc, and above-mentioned slaine melts the liquid that melts that liquid is zinc chloride.
Based on above-mentioned, the liquid that melts of the present invention keeps container, and the thermal discharge that melts liquid is few, melt liquid infiltration and crack or cracking be suppressed in Min., not only be fit to keep melting liquid, can also prevent to melt liquid by contaminating impurity.
Description of drawings
Fig. 1 is the example that liquid keeps the cross-section model of container of melting of the present invention.
The specific embodiment
Below, keep container to be elaborated to the liquid that melts of the present invention.
< melt liquid and keep container >
The liquid that melts of the present invention keeps container, is to keep metal to melt the container that liquid and/or slaine melt liquid, it is characterized in that having following 3 layers: the 1st layer, formed by the refractory body smaller or equal to 12% by apparent porosity; The 2nd layer, formed by refractory body smaller or equal to 4W/mk by the hot conductivity under 800; And the 3rd layer, form by the refractory body of hot conductivity greater than the 2nd layer.
The liquid that melts of above-mentioned formation keeps container, and the thermal discharge that melts liquid is few, suppresses to melt the infiltration of liquid and the generation of crack or cracking, not only is fit to keep melting liquid, can also prevent to melt liquid by contaminating impurity,
[the 1st layer]
Form with the 1st layer of the refractory body that liquid contacts that melt that is kept by densification.Form the 1st layer by refractory body, the infiltration that can suppress to melt liquid by densification.The apparent porosity that constitutes the 1st layer refractory body is that better is 5～10% smaller or equal to 12%.The apparent porosity that constitutes the 1st layer refractory body is in the above-mentioned scope time, and existence can suppress to melt the tendency of liquid infiltration.
The hot conductivity of refractory body under 800 that constitutes the 1st layer is preferably more than or equal to 15W/mk, and that better is 15～20W/mk.The hot conductivity that constitutes the 1st layer refractory body is in the above-mentioned scope time, has to improve and melts the tendency that liquid keeps the resistance to sudden heating of container.
Need to prove that in the present invention, apparent porosity and hot conductivity are the values of utilizing the assay method shown in the following embodiment to obtain.
500 the liquid that melts was left standstill dipping 1 month the time, and the material that forms the 1st layer melts stripping quantity in the liquid preferably smaller or equal to 0.2 weight % above-mentioned, and that better is 0.05～0.2 weight %.If the material that forms the 1st layer is in the above-mentioned scope at the above-mentioned stripping quantity that melts in the liquid, then can prevent to melt liquid by contaminating impurity.
As the refractory body that forms the 1st layer, can enumerate: but for example carborundum is the casting mold refractory body.But above-mentioned carborundum is the constituent of casting mold refractory body: SiC is 75 weight %～90 weight % (preferably 80 weight %～85 weight %), Al
2O
3Be 5 weight %～15 weight % (preferably 5 weight %～10 weight %), SiO
2Be 1 weight %～10 weight % (preferably 3 weight %～8 weight %).
[the 2nd layer]
The 2nd layer of the outside that is arranged at the 1st layer formed greater than above-mentioned the 1st layer insulating refractory by heat-insulating property.By forming the 2nd layer greater than the 1st layer insulating refractory, can suppress to melt the thermal discharge of liquid by heat-insulating property.Constituting the hot conductivity of above-mentioned the 2nd layer refractory body under 800 is smaller or equal to 4W/mk, preferably 1～4W/mk.If constituting the hot conductivity of the 2nd layer refractory body is in the above-mentioned scope, then can suppress to melt the thermal discharge of liquid.
The apparent porosity of refractory body that constitutes the 2nd layer is preferably smaller or equal to 20%, and better is 10～20%.The apparent porosity that constitutes the 2nd layer refractory body is in the above-mentioned scope time, and existence can suppress to melt the tendency of liquid infiltration.
As the refractory body that forms the 2nd layer, can enumerate: but thermal insulation casting mold (castable) refractory body for example.But the constituent of above-mentioned thermal insulation casting mold refractory body mainly is: SiC is 0 weight %～40 weight % (preferably 20 weight %～40 weight %), Al
2O
3Be 30 weight %～70 weight % (preferably 30 weight %～60 weight %), SiO
2Be 20 weight %～40 weight % (preferably 20 weight %～30 weight %).
[the 3rd layer]
The 3rd layer of the outside that is arranged at the 2nd layer formed by the refractory body of hot conductivity greater than the 2nd layer.By forming the 3rd layer greater than the 2nd layer refractory body, the line (being lower than the temperature province of the fusing point that melts liquid) that dissolves in the refractory body layer is not moved to outside of containers by hot conductivity.That is, by use hot conductivity greater than the 2nd layer high thermal conductivity refractory body as the 3rd layer, in the 2nd layer, realize melting solidifying of liquid, the seepage that therefore can prevent to melt liquid.Therefore,, can prevent that also this metal level from directly contacting with melting liquid even be formed with under the situation of metal level in the 3rd layer of outside, the result, it is contaminated to prevent to melt liquid.
In addition, because the refractory body of high thermal conductivity can reduce the temperature inside gradient, so the crack of the caused refractory body of heating process (spallation) also can be inhibited.
The hot conductivity of refractory body under 800 that constitutes the 3rd layer is preferably more than or equal to 15W/mk, and that better is 15～20W/mk.If constituting the hot conductivity of the 3rd layer refractory body is in the above-mentioned scope, then can make the 3rd layer inside and outside temperature difference reach Min., easily the inner face temperature design is become to keep to melt below the fusing point of body.
The apparent porosity of refractory body that constitutes the 3rd layer is preferably smaller or equal to 12%, and better is 5～10%.The apparent porosity that constitutes the 3rd layer refractory body is in the above-mentioned scope time, and existence can suppress to melt the tendency of liquid infiltration.
As the refractory body that forms the 3rd layer, can enumerate: but for example carborundum is the casting mold refractory body.But above-mentioned carborundum is the constituent of casting mold refractory body: SiC is 75 weight %～90 weight % (preferably 80 weight %～85 weight %), Al
2O
3Be 5 weight %～15 weight % (preferably 5 weight %～10 weight %), SiO
2Be 1 weight %～10 weight % (preferably 3 weight %～8 weight %).
As long as the 3rd layer is satisfied above-mentioned characteristic, not special the qualification, but preferably by forming with the 1st layer of identical refractory body.
The liquid that melts of the present invention keeps container, can also have metal level in above-mentioned the 3rd layer outside.By having metal level, can improve and melt the intensity that liquid keeps container.The metal species that forms above-mentioned metal level has: iron, stainless steel etc.
The object lesson that above-mentioned metal melts liquid has: metals such as zinc, aluminium, magnesium melt liquid.
The object lesson that above-mentioned slaine melts liquid has: slaines such as zinc chloride, aluminium chloride, magnesium chloride melt liquid.
Melting liquid keeps the shape of container to have: longitudinal type cylindrical vessel, horizontal type cylindrical vessel, box container, the contrary different shape such as mitriform container that hangs do not limit shape is special.
The liquid that melts that is shaped as cylindrical vessel keeps container, for example by constructing above-mentioned the 1st layer～the 3rd layer and form at the inboard lining of cylinder metal container made, and can obtain by abundant health curing.
The liquid that melts of the present invention keeps container, and preferably, during with 500 melt liquid and keep 30 days, above-mentioned the 2nd layer is lower than the above-mentioned fusing point that melts liquid with above-mentioned the 3rd layer interface temperature.
Of the present invention melt liquid keep keeping in the container 500 melt liquid in the time of 30 days; Make it be lower than the above-mentioned fusing point that melts liquid by control above-mentioned the 2nd layer of interface temperature at this moment with the 3rd layer; Even melting liquid infiltrates through above-mentioned the 1st layer and above-mentioned the 2nd layer crack or cracking; Melt liquid and solidify with above-mentioned the 3rd layer interface at above-mentioned the 2nd layer, infiltration can not carried out forward more yet.Its result is melted liquid and can not arrived the metal sheath of the gabarit of container and bring the erosion equivalent damage.
Above-mentioned the 2nd layer of control with above-mentioned the 3rd layer interface temperature is reached by the refractory body material of selected above-mentioned the 1st layer and the 3rd layer or with the thickness optimization of above-mentioned the 1st layer and the 3rd layer.
In addition, acquire a certain degree, also can make above-mentioned the 2nd layer to be lower than the above-mentioned fusing point that melts liquid with above-mentioned the 3rd layer interface temperature by the thickness that makes the 1st layer and the 2nd layer.Particularly by increasing the 2nd layer big thickness of heat-insulating property, can make above-mentioned the 2nd layer to be lower than the above-mentioned fusing point that melts liquid efficiently with above-mentioned the 3rd layer interface temperature.
Consider small-sized property of economy such as each refractory body consumption and container etc.; Preferably; On one side refractory body thickness is suppressed at essential bottom line, on one side according to making above-mentioned the 2nd layer to be lower than the design that above-mentioned mode of melting the fusing point of liquid is melted liquid maintenance container with above-mentioned the 3rd layer interface temperature.
In reality, consider economy, for example melt external diameter that liquid keeps container for the time more than or equal to 40cm, the thickness of each layer is preferably smaller or equal to 200mm.
During with 500 melt liquid and keep 30 days, melt outer surface temperature that liquid keeps container preferably smaller or equal to 200.During with 500 melt liquid and keep 30 days, to keep the outer surface temperature of container be in the above-mentioned scope if melt liquid, then keeps melting liquid and can not arrive outer wall, and the life-span of metal container made prolongs, and heat energy loss also can be suppressed at low water-mark.
Preferably, melt liquid in the time of 30 days and keep the mode of outer surface temperature in above-mentioned scope of container to design the thickness of each layer according to the liquid that melts that keeps 500.
< purposes >
The liquid that melts of the present invention keeps container to can be used for following apparatus: for example; In the manufacturing approach of the high purity silicon that the zinc reduction that utilizes silicon tetrachloride is carried out, the secondary zinc chloride gas that generates of condensing liquefaction or the secondary zinc chloride gas that generates and the condensing liquefying plant of unreacted zinc gas; The zinc chloride that melts liquid or secondary generation that is detained, stores the secondary zinc chloride that generates stores (taking in) groove with the liquid that melts that melts liquid mixing of zinc; Be attached in the reduction reaction furnace zinc evaporimeter with the zinc gas that supplies raw material; And be used for the secondary zinc chloride that generates of electrolysis with the electrolytic cell that reclaims zinc and chlorine etc.
Need to prove; Though the inventor is willing to 2009-168812 number by the Japan that has applied for is special; Disclose the secondary zinc chloride that generates and the condensing liquefying plant of unreacted zinc in the manufacturing approach that is recovered in the high purity silicon that the zinc reduction that utilizes silicon tetrachloride carries out, but do not mentioned the constituent material of this condensing liquefying plant especially.
Embodiment
Below, further specify the present invention according to embodiment, but the present invention is not limited to these embodiment.
[hot conductivity]
About the hot conductivity of refractory body, test film heating is remained on 400 and 800, measure according to the test method(s) of the refractory body brick of JIS R2616 heat flow method.
[apparent porosity]
About the apparent porosity of refractory body, test film heated in reducing atmosphere remain on 1000, measure according to JIS R2205.
[bending strength]
About the bending strength of refractory body, the test film heating is remained on 110 and 1000, measure according to JIS R2213.
[compressive strength]
About the compressive strength of refractory body, test film heating is remained on 110 and 1000, but measure according to the test method(s) of the casting mold refractory body of JIS R2553.
[embodiment 1]
(1) melts the manufacturing that liquid keeps container
Melt portion's material that liquid keeps container as formation, uses refractory body A with the composition shown in the table 1 and physical property (Japanese special stove material limited company makes, Flexite KERSIK-PB) and refractory body B (manufacturing of Japanese special stove material limited company, Flexite TM-65C3) and longitudinal type cylinder iron ware (external diameter is 6mm as 75cm, length as 75cm, thickness).
In the inboard of above-mentioned longitudinal type cylinder iron ware, the thickness lining construction refractory body A with 50mm forms the layer (the 3rd layer) that is made up of this refractory body A.On the layer (the 3rd layer) that this refractory body A constitutes, the thickness lining construction refractory body B with 150mm forms the layer (the 2nd layer) that is made up of this refractory body B again.Further on the layer (the 2nd layer) that this refractory body B constitutes, the thickness lining construction refractory body A with 50mm forms the layer (the 1st layer) that is made up of this refractory body A.Then, fully health (take care) each refractory body A and B make the liquid that melts that has above-mentioned the 1st layer～the 3rd layer and metal (iron) layer from the inboard of container in regular turn and keep container.
(2) melt the evaluation that liquid keeps container
In above-mentioned (1), make melt liquid keep importing in the container 80kg zinc chloride melt liquid, in melting liquid, insert the electrothermal heater that has protection tube again, control is melted liquid temp 500, keeps this state 30 days.The outer surface temperature of melting liquid maintenance container after the steady state of this moment is 167.
Again with 500 melt liquid leave standstill the dipping 30 days, measure afterwards by refractory body A constitute the layer (the 1st layer) stripping quantity in melting liquid, stripping quantity is 0.1 weight %.
[comparative example 1]
(1) melts the manufacturing that liquid keeps container
Melt portion's material that liquid keeps container as formation, use refractory body A and longitudinal type cylinder iron ware (external diameter is 6mm as 75cm, length as 75cm, thickness) with the composition shown in the table 1 and physical property.
In the inboard of above-mentioned longitudinal type cylinder iron ware, the thickness lining construction refractory body A with 200mm forms the layer (the 1st layer) that is made up of this refractory body A.Then, abundant health refractory body A makes the liquid that melts that has above-mentioned the 1st layer and metal (iron) layer from the inboard of container and keeps container (internal diameter is 35cm).
(2) melt the evaluation that liquid keeps container
In above-mentioned (1), make melt liquid keep importing in the container 80kg zinc chloride melt liquid, in melting liquid, insert the electrothermal heater that has protection tube again, control is melted liquid temp 500, keeps this state 30 days.The outer surface temperature of melting liquid maintenance container after the steady state of this moment is 359, has surpassed as 200 of design object.
[comparative example 2]
In comparative example 1, calculate to make by heat conduction and melt liquid and keep the outer surface temperature of container to reach the thickness of 150 left and right sides layer (the 1st layer) necessary, that constitute by refractory body A.Its result to be melted liquid and is kept the outer surface temperature of container to reach 145 in order to make, and the thickness of the layer (the 1st layer) that is made up of refractory body A must reach 1,500mm.
The thickness of the layer (the 1st layer) that is made up of refractory body A is 1, during 500mm, can't carry out the equipment design of the container of actual effect, judges thus: use the refractory body A of individual layer to be difficult to accept.
[table 1]
Table 1
[table 2]
Table 2
The explanation of symbol
1: melt liquid and keep container
2: the 1 layer
3: the 2 layers
4: the 3 layers
5: metal level
6: melt liquid
Claims (5)
1. one kind melts liquid maintenance container, and this melts, and liquid maintenance container maintenance metal melts liquid and/or slaine melts liquid, it is characterized in that:
Have the 1st layer, the 2nd layer and the 3rd layer in regular turn from the inboard of this container; Wherein the 1st layer is formed by the refractory body smaller or equal to 12% by apparent porosity; The 2nd layer is formed by the refractory body smaller or equal to 4W/mk by the hot conductivity under 800, and the 3rd layer is to be formed by the refractory body of hot conductivity greater than the 2nd layer.
2. the liquid that melts according to claim 1 keeps container, it is characterized in that:
500 the liquid that melts was left standstill dipping in the time of 30 days, and forming above-mentioned the 1st layer material is smaller or equal to 0.2 weight % at the above-mentioned stripping quantity that melts in the liquid;
Constituting the hot conductivity of above-mentioned the 1st layer refractory body under 800 is more than or equal to 15W/mk;
The apparent porosity that constitutes above-mentioned the 2nd layer refractory body is smaller or equal to 20%;
The apparent porosity that constitutes above-mentioned the 3rd layer refractory body for smaller or equal to the hot conductivity under 12% and 800 for more than or equal to 15W/mk.
3. the liquid that melts according to claim 1 and 2 keeps container, it is characterized in that: during with 500 melt liquid and keep 30 days, above-mentioned the 2nd layer is lower than the above-mentioned fusing point that melts liquid with above-mentioned the 3rd layer interface temperature.
4. keep container according to each described liquid that melts of claim 1-3, it is characterized in that: the outside above-mentioned the 3rd layer also has metal level.
5. keep container according to each described liquid that melts of claim 1-4, it is characterized in that: above-mentioned metal melts the liquid that melts that liquid is zinc, and above-mentioned slaine melts the liquid that melts that liquid is zinc chloride.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010007087 | 2010-01-15 | ||
| JP2010-007087 | 2010-01-15 | ||
| PCT/JP2010/072676 WO2011086809A1 (en) | 2010-01-15 | 2010-12-16 | Melt container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102741640A true CN102741640A (en) | 2012-10-17 |
Family
ID=44304100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800612686A Pending CN102741640A (en) | 2010-01-15 | 2010-12-16 | Melt container |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130092589A1 (en) |
| JP (1) | JPWO2011086809A1 (en) |
| CN (1) | CN102741640A (en) |
| TW (1) | TW201135170A (en) |
| WO (1) | WO2011086809A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0399786A2 (en) * | 1989-05-25 | 1990-11-28 | Alcan International Limited | Refractory linings capable of resisting sodium and sodium salts |
| JPH0585853A (en) * | 1991-01-17 | 1993-04-06 | Vesuvius Fr Sa | Monolithic refractory material, process for producing same and refractory material product formed therefrom |
| CN1107820A (en) * | 1994-12-01 | 1995-09-06 | 牟跃荣 | Filler for eccentric bottom tapping hole of super-high-power electric furnace |
| JP2000103665A (en) * | 1998-09-30 | 2000-04-11 | Shinagawa Refract Co Ltd | Carbon-including unburned refractory material, and vessel for molten metal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072243A (en) * | 1975-04-21 | 1978-02-07 | Intertec Associates, Inc. | Metal coated brittle containers, conduits and other objects for laboratory and industry |
| JP3785449B2 (en) * | 1995-11-29 | 2006-06-14 | 日新製鋼株式会社 | Refractory structure of blast furnace cast iron |
| US7449432B2 (en) * | 2006-03-07 | 2008-11-11 | Ashland Licensing And Intellectual Property, Llc (Alip) | Gear oil composition containing nanomaterial |
-
2010
- 2010-12-16 CN CN2010800612686A patent/CN102741640A/en active Pending
- 2010-12-16 WO PCT/JP2010/072676 patent/WO2011086809A1/en active Application Filing
- 2010-12-16 US US13/521,745 patent/US20130092589A1/en not_active Abandoned
- 2010-12-16 JP JP2011549887A patent/JPWO2011086809A1/en not_active Withdrawn
- 2010-12-30 TW TW099146915A patent/TW201135170A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0399786A2 (en) * | 1989-05-25 | 1990-11-28 | Alcan International Limited | Refractory linings capable of resisting sodium and sodium salts |
| JPH0585853A (en) * | 1991-01-17 | 1993-04-06 | Vesuvius Fr Sa | Monolithic refractory material, process for producing same and refractory material product formed therefrom |
| CN1107820A (en) * | 1994-12-01 | 1995-09-06 | 牟跃荣 | Filler for eccentric bottom tapping hole of super-high-power electric furnace |
| JP2000103665A (en) * | 1998-09-30 | 2000-04-11 | Shinagawa Refract Co Ltd | Carbon-including unburned refractory material, and vessel for molten metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2011086809A1 (en) | 2013-05-16 |
| US20130092589A1 (en) | 2013-04-18 |
| WO2011086809A1 (en) | 2011-07-21 |
| TW201135170A (en) | 2011-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104651691A (en) | Rapidly degradable magnesium alloy material as well as manufacturing method and application thereof | |
| CN105143147B (en) | For gasification furnace or the magnalium product for metallurgical furnace | |
| CN205996184U (en) | A kind of energy-saving ladle of low-material-consumption | |
| CN106631171A (en) | Coating for liquid lifting pipe made of silicon nitride combined with silicon carbide and preparation method of coating | |
| CN106634079A (en) | Anti-corrosive coating for pre-baked anode steel yoke for aluminum electrolysis and preparation method | |
| NO320511B1 (en) | Support body with a protective coating and application thereof | |
| CN100582309C (en) | Thermal insulation coating material for aluminum electrolysis inertia anode preheating-replacing and preparation method thereof | |
| JP5659462B2 (en) | Refractory lining structure for steelmaking containers | |
| US4049511A (en) | Protective material made of corundum crystals | |
| CN102741640A (en) | Melt container | |
| CN103388055B (en) | Furnace beam and vertical column fire-resistant thermal insulation lining structure of walking beam furnace for heating high-temperature oriented silicon steel and manufacturing method of structure | |
| Nandy et al. | Selection of proper refractory materials for energy saving in aluminium melting and holding furnaces | |
| CN100416205C (en) | Titanium and titanium alloy melting kettle | |
| CN108911762A (en) | A kind of blast furnace protecting wall building stemming | |
| Hemrick et al. | Development and application of refractory materials for molten aluminum applications | |
| CN108455971B (en) | Preparation method of crucible for smelting platinum alloy | |
| Gage et al. | Internal insulation and corrosion control of molten chloride storage tanks | |
| Bonadia et al. | REFRACTORY SELECTION FOR LONG-DISTANCE MOLTEN-ALUMINIUM DELIVERY | |
| CN105745184A (en) | Blast furnace hearth lining structure | |
| Plascencia et al. | Extending the life of water-cooled copper cooling fingers for furnace refractories | |
| CN210855786U (en) | High-aluminum cover plate glass electric heating device | |
| US20180141868A1 (en) | Article made from refractory material for contact with a liquid metal or alloy, a method for manufacture, use and method of use of same | |
| RAIC et al. | ELEMENTS OF REFRACTORY CORROSION IN SECONDARY ALUMINIUM MELTING FURNACES ELEMENTI KOROZIJE VATROSTALNOG OZIDA PRILIKOM PRETAPANJA SEKUNDARNOG ALUMINIJUMA | |
| Kampova et al. | Technological stages in investment casting: features and prospects | |
| JP2021091941A (en) | Container, method for using container, production method of titanium sponge, and production method of molten magnesium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI01 | Publication of corrected invention patent application |
Correction item: The paper relates to separate unit symbols where C Correct: degC False: Garbled code... Number: 42 Volume: 28 |
|
| CI02 | Correction of invention patent application |
Correction item: The booklet Correct: degC False: ... Number: 42 Page: Description Volume: 28 |
|
| ERR | Gazette correction |
Free format text: CORRECT: SEPERATE EDITION FULL TEXT RELATES TO UNIT SYMBOL ; FROM: MESSY CODE TO: 200780044193.9;2013.05.01;INVENTION PATENT GAZETTE CORRECTION |
|
| RECT | Rectification | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |