CN1195074C - Non-metal cooling wall and mfg. method thereof - Google Patents
Non-metal cooling wall and mfg. method thereof Download PDFInfo
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- CN1195074C CN1195074C CNB021390878A CN02139087A CN1195074C CN 1195074 C CN1195074 C CN 1195074C CN B021390878 A CNB021390878 A CN B021390878A CN 02139087 A CN02139087 A CN 02139087A CN 1195074 C CN1195074 C CN 1195074C
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Abstract
The present invention relates to a cooling wall of a blast furnace and a manufacturing method thereof, particularly to a non-metal cooling wall of a manufacturing method thereof. The non-metal cooling wall comprises a cooling wall independently composed of a cold end body, or a cooling wall formed by combining the cold end body and a hot end body, and a cooling water pipe, wherein the cold end body and the hot end body are both made of non-metal materials, and the combining faces of the cold end body and the hot end body are provided with convex-concave matching mosaic structures. The main body materials of the non-metal materials contain 50% to 75% of corundum, 5% to 12% of silicon carbide, 5% to 10% of zirconium oxide, 6% to 12% of graphite, 5% to 15% of aluminum-oxide fine powder of 300 to 1000 meshes and 2% to 9% of metallic-silicon fine powder of 180 to 500 meshes, and the bonding agent material of the non-metal materials comprises 5% to 10% of dextrin, 45% to 50% of phosphoric acid and 40% to 45% of water. 85% to 93% of main body material and 7% to 15% of bonding agent material are evenly mixed, a mould is designed according to the shape of the cold end body, a circulating water pipe and a connecting piece are preburied to carry out casting or ramming formation, the main body materials and the binding agent materials are dried in environment with the temperature not more than 600 DEG C, the convex-concave matching structures of the cold end body and the hot end body are bonded into a whole by refractory mortar, and then the cooling wall is formed. The non-metal cooling wall has the development directions of low cost, long service life and abundant resource.
Description
(1) technical field: the present invention relates to a kind of blast furnace cold but wall and manufacture method thereof, particularly relate to a kind of nonmetallic cooling stave and manufacture method thereof.
(2) background technology:, two types of metal cools wall and nonmetallic cooling staves are arranged at present as blast furnace cooling stave.In the metal cools wall, be divided into cast-iron cooling wall again, three kinds of steel cooling wall and copper cooling walls.Cast-iron cooling wall adopts spheroidal graphite cast iron or other cast iron as the material of cooling stave body, when cast, gives and imbeds circulation cooling steel water pipe, forms the flow of cooling water passage.The advantage of cast-iron cooling wall is that cost is lower, but heat conductivility is bad, cooling performance is relatively poor, the steel water pipe exists carburizing and water pipe surface melting phenomenon when cast simultaneously, there is high thermal resistance gap between steel water pipe and cast iron body, defectives such as body material metal toughness difference in use are prone to corrode, crackle, and the life-span is shorter; Steel cooling wall adopts cast steel or rolled sheet material as cooling stave body material, by be cast into the molten steel pipe or in rolled sheet material the bore hole mode, in the cooling stave body, form the flow of cooling water passage.The steel cooling wall material has better toughness, and material melting point is than advantages such as height, and heat conductivility is still lower, the defectives such as melting phenomenon when having the water pipe surface casting equally; Its over-all properties of copper cooling wall is better, and heat conductivility is good, but is worth highly, and many iron and steel enterprises are subjected to economics dictate, can't adopt; CN1259579A discloses a kind of nonmetal cooling apparatus of monomer that is applicable to blast furnace, the body material of this nonmetallic cooling stave is by corundum, silicon carbide, silica flour and wooden calcium sulfonate, aluminium dihydrogen phosphate combines, this blast furnace cooling apparatus (cooling stave) cost is lower, certain advantage is arranged, but water-cooled tube glide path in the cooling stave body is shorter, make cooling performance not ideal, and cause the outer water pipe of last furnace shell to connect complicated, in manufacturing process after the moulding of monomer cooling apparatus matrix, carry out nitrogenize and burn till, cause cost to increase by a relatively large margin, matrix thickness is bigger simultaneously, it is complete to be difficult for nitrogenize, makes material structure, there is defective in performance.
(3) summary of the invention: the objective of the invention is, overcome the deficiency in the background technology, prolong the cooling stave life-span, reduce cost, develop nonmetallic cooling stave and manufacture method thereof.
Technical scheme of the present invention is: a kind of manufacture method of nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, a, the main body material is mixed evenly by weight percentage, contain corundum 50～75%, silicon carbide 5～12%, zirconium white 5～10%, graphite or synthetic graphite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders 2～9%, b, the wedding agent material is mixed evenly by weight percentage, contain dextrin 5～10% in the wedding agent, phosphatase 24 5～50%, water 40～45%, perhaps contain aluminium dihydrogen phosphate 55～65% in the wedding agent, xylogen 10～15%, water 25～35%, c, the main body material, the wedding agent material is mixed evenly by weight percentage, contains main body material 85～93%, wedding agent material 7～15%.
The manufacture method of described nonmetallic cooling stave also contains 180～300 purpose metallic aluminium powders 1～2% in the main body material.
The manufacture method of described nonmetallic cooling stave, a, the main body material is mixed evenly by weight percentage, corundum 60～70%, silicon carbide 7～9%, zirconium white 6～8%, graphite or synthetic graphite 6～9%, 300～1000 order alumina powders, 6～10%, 180～500 purpose silicon powders, 4～7%, 180～300 purpose metallic aluminium powders 1～2%; B, wedding agent material be by weight percentage: dextrin 5～10%, phosphatase 24 5～50%, water 40～45%; C, main body material, wedding agent material are mixed by weight percentage, main body material 87～90%, wedding agent 10～13%.
A kind of manufacture method of nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, a, the main body material is mixed evenly by weight percentage, contain bauxitic clay 50～75%, silicon carbide 5～12%, zirconium white 5～10%, graphite or synthetic graphite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%; B, the wedding agent material is mixed by weight percentage: aluminium dihydrogen phosphate 55～65%, xylogen 10～15%, water 25～35%; C, main body material and wedding agent material are mixed by weight percentage, contain main body material 87～93%, wedding agent material 7～13%.
A kind of manufacture method of nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, a, in the main body material by weight percentage, contain corundum 50～75%, zirconium white 5～10%, silicon carbide 5～12%, electric calcined anthracite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%; B, the wedding agent material is mixed by weight percentage, dextrin 5～10%, phosphatase 24 5～50%, water 40～45%; C, main body material and wedding agent material are mixed by weight percentage, contain main body material 87～90%, wedding agent material 10～13%.
A kind of manufacture method of nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, a, the main body material is mixed evenly by weight percentage, bauxitic clay 50～75%, zirconium white 5～10%, silicon carbide 5～42%, electric calcined anthracite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 purpose silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%; B, the wedding agent material is mixed by weight percentage: aluminium dihydrogen phosphate 55～65%, xylogen 10～15%, water 25～35%; C, main body material, wedding agent material are mixed by weight percentage, main body material 85～93%, wedding agent material 7～15%.
The manufacture method of described nonmetallic cooling stave, circulating cooling water pipe is when cast or ramming process, be embedded in advance in the described nonmetal cold junction body, and pre-buried web member, the seat of installing and fixing simultaneously, use refractory materials mud tightens up both when cold junction body and protruding, the recessed matching structure of hot junction body are inlayed.
A kind of nonmetallic cooling stave, comprise water-cooled tube, the cooling stave that constitutes separately by the cold junction body, or contain the cooling stave that the cool and heat ends body is combined into, no matter be the cooling stave that the cold junction body constitutes separately, or the cooling stave that is combined into by the cool and heat ends body, all be to make with non-metallic material, convex-concave coupling pattern structure is arranged on the bonding surface of cool and heat ends body, and its hot side was horizontal bar connected in star or raised line when the cold junction body constituted cooling stave separately, or was the light face.
Described nonmetallic cooling stave, the pattern structure of convex-concave coupling is on the hot side of cold junction body, horizontal strip raised line or horizontal strip breast convex raised line is arranged, or have horizontal strip rectangular recess or horizontal strip breast convex groove on the cold junction body hot side, on the huyashi-chuuka (cold chinese-style noodles) of hot junction body, have the horizontal strip rectangular recess or the horizontal strip breast convex groove that match, or hot junction body huyashi-chuuka (cold chinese-style noodles) is provided with horizontal strip rectangle raised line or the horizontal strip breast convex raised line that matches.
Described nonmetallic cooling stave, when constituting cooling stave by described cold junction body separately, water-cooled tube directly is embedded in the cold junction body, when being combined into cooling stave by described cool and heat ends body, water-cooled tube is embedded in the cold junction body, the hot junction body is described cold junction body material, or makes for one or more non-basic refractories, for monoblock type cooperates with the cold junction body by the convex-concave matching structure; Or for the non-basic refractory goods assembling combination of hot junction body by some amount forms and cold junction body coupling, water-cooled tube is a serpentine tube, and alternate arc convex is arranged on the water pipe surface, and this external surface of cold junction is extended with and installs and fixes built-in connection, seat.
Useful positively effect of the present invention:
(1) refractoriness under load of nonmetallic cooling stave cold junction body of the present invention is greater than 1600 ℃, the fusing point of the spheroidal graphite cast iron that adopts than existing blast furnace cooling stave, steel, copper is much higher, make the cooling stave body have good high-temperature adaptability, improve nonmetallic cooling stave resistance to wearing under the condition of high temperature, erosion resistibility and chemical resistance of concrete ability, prolonged cooling stave work-ing life.
(2) in nonmetal body material, use materials such as SiC, C, zirconium white, silicon, aluminium micro mist, make the cooling stave of cast, ramming process that better anti-slag, iron and basic metal erosional competency be arranged, improve wearing quality.
(3) the non-metallic material coefficient of thermal expansion of formation cooling stave cold junction body is little, cooling water circulation like this water pipe can be directly and the furnace shell welding, the inhomogeneous heat expansion that has overcome between existing metal cools wall body and the furnace shell causes the water pipe rupture failure, simplified the complex construction of avoiding water pipe to absorb differential expansion and sealing, nonmetallic cooling stave material heat expansion rate is little, can not occur the phenomenon of metallic substance crack propagation such as cast iron, steel in the use.
(4) the hot junction body adopts and to burn till refractory brick and have than cast, ramming and give clamp dog better intensity, higher compactness and use temperature, in blast furnace is gone into operation the back quite a long time, better protects the cold junction body, opposing machinery, chemical erosion.After work for some time; when burning till refractory brick and be etched totally; be embedded in the effect that the remaining refractory brick performance slag crust in the cold junction body adheres to fulcrum, help the cold junction hot side and generate stable " slag crust " protective layer, obtain to prolong the effect in cooling stave life-span.
(5) the hot junction body can adopt the refractory product of one or more materials to constitute, and makes the present invention can use the different working conditions at position according to difference, selects differing materials, reaches the best effect of making the best use of everything.
(6) its comprehensive cost of nonmetallic cooling stave reduces more than 50% than the facility investment of metal matter cooling stave, the non-metallic material wide material sources, and domestic aboundresources has application promise in clinical practice.
(4) description of drawings
Fig. 1 and Fig. 2 on the cool and heat ends body bonding surface each other rectangular strip convex-concave coupling inlay one of sectional structure synoptic diagram and two.
Fig. 3 and Fig. 4 on the cool and heat ends body bonding surface each other mastoid process strip convex-concave coupling inlay one of sectional structure synoptic diagram and two.
Fig. 5 constitutes cooling stave separately for the cold junction body, and hot side has the sectional structure synoptic diagram of strip rectangular recess.
Fig. 6 is that the A of Fig. 1 is to structural representation.
(5) embodiment:
Embodiment one, two, referring to Fig. 1,2,6 .1 gives the snakelike refrigeration cycle water pipe that is embedded in the cold junction body 2, water pipe surface arc convex among the figure, 3 is the hot junction body, there have strip rectangle raised line on a strip rectangular recess or raised line and the cold junction body hot side or groove to inlay with refractory mortar on the refractory brick of each strip to be fixing, and 4 are embedded in the cold junction body connection fastener in the coupling seat 6 is installed for giving, and 5 is last furnace shell.
A, this phosphor bodies of cold junction material: its weight proportion is got material by following percentage ratio, corundum 60%, silicon carbide 10%, zirconium white 8%, graphite 8%, 300 order aluminum oxide powder 10%, 180 order silicon powder 4% mixes.
B, wedding agent press column weight amount per-cent and get material: dextrin 10%, and phosphoric acid 50%, water 40% is mixed evenly
C, main body material 92%, wedding agent material 8%, main body material and wedding agent material are mixed by weight percentage, put into the mould of cold junction body, imbed snakelike circulating cooling water pipe and be connected that fastener is poured into a mould or ramming process, through≤600 ℃ of oven dry, make the cold junction body of cooling stave.
Inlay and build by laying bricks or stones on the coupling correspondence position of cold junction body hot side with refractory mortar burn till refractory brick or other the non-basic firebrick identical then, form the hot junction body with cold junction body material.Finished the cooling stave that combines by the cool and heat ends body this moment.
Embodiment three, four, referring to Fig. 3, and 4, among the figure, number identically with embodiment one, two, represent same meaning, do not repeat.Have be, the cool and heat ends body bonding surface on, it is Mastoid bar shaped projection that its convex-concave coupling is inlayed integrated structure, or Mastoid bar shaped is recessed poor.
The main body material of cold junction body is: corundum 65%, silicon carbide 8%, zirconium white 7%, graphite 6%, 500 order alumina powder 5%, 300 order silicon powder 8%, 300 order metallic aluminium powder 1%; Wedding agent material: aluminium dihydrogen phosphate 60%, xylogen 15%, water 25%; Main body material 90%, wedding agent material 10%.Manufacture method and other do not repeat with embodiment one, two.
Embodiment five, and referring to Fig. 5, among the figure, numbering is represented same meaning with embodiment one, two, does not repeat.What present embodiment and embodiment one, two were different is: constitute cooling stave by the cold junction body separately.At the hot side of cold junction body, the rectangular recess of strip can be arranged, or be the light face.The main body material of cold junction body: corundum 61%, silicon carbide 8%, zirconium white 7%, graphite 7%, 800 order alumina powder 9%, 350 order silicon powder 6%, 200 order metallic aluminium powder 2%; Wedding agent material: dextrin 7%, phosphoric acid 50%, water 43%; The main body material is 93%, wedding agent 7%.Manufacture method does not repeat with embodiment one, two.
Embodiment six, seven, referring to Fig. 1, and 2,6, on behalf of same meaning, numbering do not repeat with embodiment one, two among the figure.The main body material of this body and function of cold junction: bauxitic clay 55%, silicon carbide 8%, zirconium white 10%, synthetic graphite 8%, 500 order alumina powder 12%, 200 order silicon powder 6%, 200 order metallic aluminium powder 1%.Wedding agent: aluminium dihydrogen phosphate 65%, xylogen 10%, water 25% mixes.With main body material g7%, wedding agent 13%.Its manufacture method and other do not repeat with embodiment one, two.
Embodiment eight, nine, referring to Fig. 3, and 4, numbering represents meaning with embodiment one, two and three, four among the figure, does not repeat.This phosphor bodies of cold junction material: corundum 65%, silicon carbide 7%, zirconium white 7%, 350 order aluminum oxide powder 8%, electric calcined anthracite 8%, 200 order silicon powder 4%, 180 order metallic aluminium powder 1%, wedding agent material: phosphatase 24 8%, water 45%, dextrin 7%; Main body material 90%, wedding agent 10%.Its manufacture method and other be not with embodiment one, two, repeat.
Embodiment ten, ten one, 12 is referring to 1,2,6,5, and its numbering represents meaning with embodiment one, two, do not repeat.
This phosphor bodies of cold junction material is: bauxitic clay 62%, silicon carbide 6%, zirconium white 8%, electric calcined anthracite 6%, 400 order alumina powder 9%, 300 order silicon powder 7%, 180 order metallic aluminium powder 2%; Wedding agent material: aluminium dihydrogen phosphate 60%, xylogen 15%, water 25%.Main body material 91%, wedding agent material 9%, manufacture method and other do not repeat with embodiment one, two.
Claims (10)
1. the manufacture method of a nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, it is characterized in that: a, the main body material is mixed evenly by weight percentage, contain corundum 50～75%, silicon carbide 5～12%, zirconium white 5～10%, graphite or synthetic graphite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders 2～9%
B, wedding agent material are mixed evenly by weight percentage, contain dextrin 5～10% in the wedding agent, phosphatase 24 5～50%, and water 40～45% perhaps contains aluminium dihydrogen phosphate 55～65% in the wedding agent, xylogen 10～15%, water 25～35%,
C, main body material, wedding agent material are mixed evenly by weight percentage, contain main body material 85～93%, wedding agent material 7～15%.
2. the manufacture method of nonmetallic cooling stave according to claim 1 is characterized in that: also contain 180～300 purpose metallic aluminium powders 1～2% in the main body material.
3. the manufacture method of nonmetallic cooling stave according to claim 1 and 2 is characterized in that:
A, main body material are mixed evenly by weight percentage, corundum 60～70%, silicon carbide 7～9%, zirconium white 6～8%, graphite or synthetic graphite 6～9%, 300～1000 order alumina powders, 6～10%, 180～500 purpose silicon powders, 4～7%, 180～300 purpose metallic aluminium powders 1～2%;
B, wedding agent material be by weight percentage: dextrin 5～10%, phosphatase 24 5～50%, water 40～45%;
C, main body material, wedding agent material are mixed by weight percentage, main body material 87～90%, wedding agent 10～13%.
4. the manufacture method of a nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, it is characterized in that: a, the main body material is mixed evenly by weight percentage, contain bauxitic clay 50～75%, silicon carbide 5～12%, zirconium white 5～10%, graphite or synthetic graphite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%;
B, the wedding agent material is mixed by weight percentage: aluminium dihydrogen phosphate 55～65%, xylogen 10～15%, water 25～35%;
C, main body material and wedding agent material are mixed by weight percentage, contain main body material 87～93%, wedding agent material 7～13%.
5. the manufacture method of a nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, it is characterized in that: a, in the main body material by weight percentage, contain corundum 50～75%, zirconium white 5～10%, silicon carbide 5～12%, electric calcined anthracite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 order silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%;
B, the wedding agent material is mixed by weight percentage, dextrin 5～10%, phosphatase 24 5～50%, water 40～45%;
C, main body material and wedding agent material are mixed by weight percentage, contain main body material 87～90%, wedding agent material 10～13%.
6. the manufacture method of a nonmetallic cooling stave, contain main body material and wedding agent material and mix the cooling stave that the back uses the nonmetal cold junction body of die casting or ramming process to constitute separately, or constitute hot junction body and described nonmetal cold junction body by non-basic refractory goods and inlay the cooling stave that coupling combines mutually, and be embedded in circulating cooling water pipe in the described cold junction body in advance, it is characterized in that: a, the main body material is mixed evenly by weight percentage, bauxitic clay 50～75%, zirconium white 5～10%, silicon carbide 5～42%, electric calcined anthracite 6～12%, 300～1000 order alumina powders 5～15%, 180～500 purpose silicon powders, 2～9%, 180～300 purpose metallic aluminium powders 1～2%;
B, the wedding agent material is mixed by weight percentage: aluminium dihydrogen phosphate 55～65%, xylogen 10～15%, water 25～35%;
C, main body material, wedding agent material are mixed by weight percentage, main body material 85～93%, wedding agent material 7～15%.
7. according to the manufacture method of claim 1 or 4 or 5 or 6 described nonmetallic cooling staves, it is characterized in that: circulating cooling water pipe is when cast or ramming process, be embedded in advance in the described nonmetal cold junction body, and pre-buried web member, the seat of installing and fixing simultaneously, use refractory materials mud tightens up both when cold junction body and protruding, the recessed matching structure of hot junction body are inlayed.
8. nonmetallic cooling staves of making by claim 1 or 4 or 5 or 6, comprise water-cooled tube, the cooling stave that constitutes separately by the cold junction body, or contain the cooling stave that the cool and heat ends body is combined into, it is characterized in that: no matter be the cooling stave that the cold junction body constitutes separately, or the cooling stave that is combined into by the cool and heat ends body, all be to make with non-metallic material, convex-concave coupling pattern structure is arranged on the bonding surface of cool and heat ends body, its hot side was horizontal bar connected in star or raised line when the cold junction body constituted cooling stave separately, or was the light face.
9. nonmetallic cooling stave according to claim 8, it is characterized in that: the pattern structure of convex-concave coupling is on the hot side of cold junction body, horizontal strip raised line or horizontal strip breast convex raised line is arranged, or have horizontal strip rectangular recess or horizontal strip breast convex groove on the cold junction body hot side, on the huyashi-chuuka (cold chinese-style noodles) of hot junction body, have the horizontal strip rectangular recess or the horizontal strip breast convex groove that match, or hot junction body huyashi-chuuka (cold chinese-style noodles) is provided with horizontal strip rectangle raised line or the horizontal strip breast convex raised line that matches.
10. nonmetallic cooling stave according to claim 8, it is characterized in that: when constituting cooling stave by described cold junction body separately, water-cooled tube directly is embedded in the cold junction body, when being combined into cooling stave by described cool and heat ends body, water-cooled tube is embedded in the cold junction body, the hot junction body is described cold junction body material, or makes for one or more non-basic refractories, for monoblock type cooperates with the cold junction body by the convex-concave matching structure; Or for the non-basic refractory goods assembling combination of hot junction body by some amount forms and cold junction body coupling, water-cooled tube is a serpentine tube, and alternate arc convex is arranged on the water pipe surface, and this external surface of cold junction is extended with and installs and fixes built-in connection, seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021390878A CN1195074C (en) | 2002-09-21 | 2002-09-21 | Non-metal cooling wall and mfg. method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021390878A CN1195074C (en) | 2002-09-21 | 2002-09-21 | Non-metal cooling wall and mfg. method thereof |
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| CN1401791A CN1401791A (en) | 2003-03-12 |
| CN1195074C true CN1195074C (en) | 2005-03-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102251066B (en) * | 2010-05-18 | 2014-03-26 | 北京联合荣大工程材料有限责任公司 | Cooling wall with pre-coated slag crust |
| CN102351465A (en) * | 2011-07-22 | 2012-02-15 | 郑州京华耐火材料实业有限公司 | Cooling wall inlaying material |
| CN103073315B (en) * | 2013-02-20 | 2015-04-01 | 世林（漯河）冶金设备有限公司 | Microdilatancy quick-setting fireproof binding material and preparation process thereof |
| CN104531929B (en) * | 2014-12-11 | 2016-11-09 | 马鞍山华盛冶金科技发展有限公司 | A kind of preparation method of the solid packing of cast steel cooling wall casting |
| CN110358881A (en) * | 2019-08-21 | 2019-10-22 | 北京瑞尔非金属材料有限公司 | A kind of double material nonmetallic cooling staves and production and preparation method thereof |
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2002
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