CN114752716B - Large metallurgical slag pot and manufacturing method thereof - Google Patents

Large metallurgical slag pot and manufacturing method thereof Download PDF

Info

Publication number
CN114752716B
CN114752716B CN202210473628.8A CN202210473628A CN114752716B CN 114752716 B CN114752716 B CN 114752716B CN 202210473628 A CN202210473628 A CN 202210473628A CN 114752716 B CN114752716 B CN 114752716B
Authority
CN
China
Prior art keywords
percent
tank body
precast slabs
grid
grid structure
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.)
Active
Application number
CN202210473628.8A
Other languages
Chinese (zh)
Other versions
CN114752716A (en
Inventor
徐志华
王志强
王心一
郑吉红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Iron And Steel Group Refractory Materials Co ltd
Original Assignee
Wuhan Iron And Steel Group Refractory Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Iron And Steel Group Refractory Materials Co ltd filed Critical Wuhan Iron And Steel Group Refractory Materials Co ltd
Priority to CN202210473628.8A priority Critical patent/CN114752716B/en
Publication of CN114752716A publication Critical patent/CN114752716A/en
Application granted granted Critical
Publication of CN114752716B publication Critical patent/CN114752716B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • 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
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/402—Aluminium
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • 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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/072—Tanks to collect the slag, e.g. water tank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention relates to the technical field of ferrous metallurgy, and discloses a large metallurgical slag tank, which comprises a tank body, wherein a lower layer grating structure and an upper layer grating structure are arranged in the tank body, the lower layer grating structure and the upper layer grating structure are formed by processing grating refractory materials, the tank body is formed by processing the tank body refractory materials, and the grating refractory materials comprise the following components in percentage by weight: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of water reducer: 0.1 to 0.5 percent of explosion-proof agent: 0.05 to 0.2 percent of tank body refractory material comprises the following components in percentage by weight: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of plasticizer: 0.1 to 5 percent. The invention also discloses a manufacturing method of the large metallurgical slag pot. The large metallurgical slag pot and the manufacturing method thereof solve the problem of larger slag blocks, and simultaneously solve the problems that the grid is difficult to assemble and disassemble and difficult to separate from slag.

Description

Large metallurgical slag pot and manufacturing method thereof
Technical Field
The invention relates to the technical field of ferrous metallurgy, in particular to a large metallurgical slag pot and a manufacturing method thereof.
Background
The metallurgical slag pot is an important container for containing metallurgical steel slag or iron slag in ferrous metallurgy, and is generally in a semicircular bowl shape with a large upper part and a small lower part. After the metallurgical slag tank is slagging in a steel mill or an iron mill, the metallurgical slag tank is transported to a treatment workshop, and the metallurgical slag tank is turned over to pour out the slag. In order to solve the problem that steel slag or iron slag blocks are too large and difficult to process, most steel factories are provided with grids in various shapes in metallurgical slag tanks at present, the steel slag or iron slag is separated into small blocks with similar sizes, the subsequent processing and the reutilization are convenient, but the existing metallurgical slag tanks still have the following problems:
1) The height of a large metallurgical slag tank, such as a part of a converter slag tank, exceeds 4 meters, and a common single-layer grid cannot separate slag blocks into proper small blocks, so that design optimization is required;
2) The fixing and the dismounting of the grille are troublesome.
3) After the grille is added, the space around the metallurgical slag tank is narrow, the refractory is difficult to construct, and the thickness uniformity cannot be ensured;
4) The grid material is sintered with steel slag or iron slag in a reaction way, and the grid and the slag are separated manually or mechanically.
Disclosure of Invention
The invention aims to overcome the defects of the technology, and provides a large metallurgical slag pot and a manufacturing method thereof, which solve the problem that slag blocks are large, and solve the problems that a grid is difficult to assemble and disassemble and is difficult to separate from slag.
In order to achieve the aim, the large metallurgical slag pot designed by the invention comprises a pot body, wherein the pot body is internally provided with a lower layer grating structure and an upper layer grating structure from bottom to top, the lower layer grating structure is of a two-transverse two-longitudinal groined structure, the upper layer grating structure is a three-horizontal three-vertical structure, the lower layer grating structure and the upper layer grating structure are all formed by processing grating refractory materials, the tank body is formed by processing tank body refractory materials, and the grating refractory materials comprise the following components in percentage by weight: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of water reducer: 0.1 to 0.5 percent of explosion-proof agent: 0.05 to 0.2 percent of tank body refractory material comprises the following components in percentage by weight: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of plasticizer: 0.1 to 5 percent.
Preferably, the lower layer grating structure comprises two transverse lower layer fireproof precast slabs and two longitudinal lower layer fireproof precast slabs, wherein the transverse lower layer fireproof precast slabs are provided with two clamping grooves communicated with the bottom, the longitudinal lower layer fireproof precast slabs are provided with two clamping grooves communicated with the top, and the transverse lower layer fireproof precast slabs and the longitudinal lower layer fireproof precast slabs are spliced into the lower layer grating structure through the clamping grooves.
Preferably, the upper layer grating structure comprises three transverse upper layer fireproof precast slabs and three longitudinal upper layer fireproof precast slabs, wherein the transverse upper layer fireproof precast slabs are provided with three clamping grooves communicated with the bottom, the longitudinal upper layer fireproof precast slabs are provided with three clamping grooves communicated with the top, and the transverse upper layer fireproof precast slabs and the longitudinal upper layer fireproof precast slabs are spliced into the upper layer grating structure through the clamping grooves.
Preferably, a grid positioning clamping column for positioning the lower grid structure and the upper grid structure is arranged in the tank body.
Preferably, a pressing strip is arranged around the inner side of the upper edge of the tank body.
Preferably, the SiO of the recycled silica brick 2 The content is more than or equal to 90 percent, the carbon-containing reclaimed material refers to one or more of recycled aluminum magnesia carbon bricks, recycled aluminum silicon carbide carbon bricks, wherein the content of C is more than or equal to 5 percent, the granularity is less than 5mm, the aluminum reclaimed material refers to one or more of recycled corundum bricks, recycled high alumina bricks, recycled corundum castable and recycled bauxite castable, wherein Al 2 O 3 More than or equal to 48 percent and the granularity is less than 0.088mm, the water reducing agent is one or more of sodium tripolyphosphate and sodium hexametaphosphate, the explosion-proof agent is one or more of organic fiber and metal aluminum powder, the plasticizer is one or more of Guangxi white mud, ball clay, sodium carboxymethyl cellulose and sodium polyacrylate, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 69 percent, and the CaO content is 26 to 30 percent.
Preferably, the heights of the lower and upper grating structures are 1.5-2 m.
Preferably, the thickness of the grid positioning clamping column is 30-50 mm.
Preferably, the width of the pressing strip is 20-30 mm.
The manufacturing method of the large metallurgical slag pot comprises the following steps:
a) Manufacturing a tank body, a lower layer grid structure and an upper layer grid structure by using manufacturing components;
b) Welding grid positioning clamping columns on the tank body, and welding pressing strips on the periphery of the inner side of the upper edge of the tank body;
c) Installing the lower layer grid structure, and fixing the lower layer grid structure through the grid positioning clamping columns;
d) Spraying and repairing the connection part between the tank body and the lower layer grid structure by adopting a semi-dry method, wherein the spraying and repairing thickness is 50-80 mm;
e) The upper layer grating structure is installed, the upper layer grating structure is fixed through the grating positioning clamping columns, and the distance between the top of the upper layer grating structure and the upper edge of the tank body is 100-800 mm;
f) Spraying and repairing other parts of the inner side of the tank body by adopting a semi-dry method, wherein the spraying and repairing thickness is 50-80 mm, and the spraying and repairing height is flush with the height of the tank body, so as to obtain a slag tank embryo;
g) Placing the slag ladle blank at normal temperature for health maintenance, wherein the health maintenance time is longer than 24 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
Compared with the prior art, the invention has the following advantages:
1. the double-layer grid assembly mode is used for construction, so that the problem that a large slag pot with the height exceeding 4 meters is oversized in segmented slag blocks is effectively solved;
2. the recycled silica brick particles are used as the main component of the silica brick, seven crystal variants and one amorphous variant exist in the silica brick, and the used grid refractory and the used tank refractory are greatly contracted due to the transformation of the crystal forms in the temperature reduction process, so that slag blocks and the refractory can be separated, a self-cleaning effect is achieved, and manual or mechanical equipment is not required for separation;
3. the carbon-containing reclaimed material is added into the refractory material, and a certain amount of carbon is contained, so that the sintering of the slag blocks and the refractory material can be effectively prevented, and the separation difficulty of the slag blocks and the refractory material is reduced;
4. the inner side part of the tank body is subjected to gunning construction by using a semi-dry method, so that the manual strength can be effectively reduced, the difficult-to-construct part can be effectively gunned, and the uniformity of construction thickness is ensured;
5. the grid structure is positioned through the grid positioning clamping column, and the inner side of the tank body between the upper end of the upper grid structure and the pressing strip of the tank body is gunned, so that the upper grid structure is effectively fixed, other pressing plates or pressing strips are not required to be used for fixing, and the slag tank structure is simplified.
Drawings
FIG. 1 is a schematic diagram of the construction of a large metallurgical slag ladle of the present invention;
FIG. 2 is a schematic view of the components of the lower grid structure of FIG. 1;
fig. 3 is a schematic view of components of the upper grid structure of fig. 1.
The reference numerals of the components in the drawings are as follows:
the fire-resistant prefabricated plate comprises a tank body 1, a lower layer grid structure 2, an upper layer grid structure 3, a transverse lower layer fire-resistant prefabricated plate 4, a longitudinal lower layer fire-resistant prefabricated plate 5, a clamping groove 6, a transverse layer fire-resistant prefabricated plate 7, a longitudinal upper layer fire-resistant prefabricated plate 8, grid positioning clamping columns 9 and a pressing strip 10.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
Example 1
As shown in figure 1, the large metallurgical slag pot comprises a pot body 1, wherein a lower layer grating structure 2 and an upper layer grating structure 3 are arranged in the pot body 1 from bottom to top, the lower layer grating structure 2 is a two-horizontal two-vertical groined structure, the upper layer grating structure 3 is a three-horizontal three-vertical structure, the lower layer grating structure 2 and the upper layer grating structure 3 are formed by processing grating resistant materials, the tank body 1 is formed by processing tank body resistant materials, the inner part of the tank body 1 is provided with grating positioning clamping columns 9 for positioning the lower layer grating structure 2 and the upper layer grating structure 3, and the periphery of the inner side of the upper edge of the tank body 1 is provided with pressing strips 10.
The lower layer of the grid structure 2 is shown in fig. 1 and 2, and comprises two transverse lower layer fireproof precast slabs 4 and two longitudinal lower layer fireproof precast slabs 5, wherein the transverse lower layer fireproof precast slabs 4 are provided with two clamping grooves 6 communicated with the bottom, the longitudinal lower layer fireproof precast slabs 5 are provided with two clamping grooves 6 communicated with the top, the transverse lower layer fireproof precast slabs 4 and the longitudinal lower layer fireproof precast slabs 5 are spliced into the lower layer of the grid structure 2 through the clamping grooves 6, the upper layer of the grid structure 3 comprises three transverse layer fireproof precast slabs 7 and three longitudinal upper layer fireproof precast slabs 8, the transverse layer fireproof precast slabs 7 are provided with three clamping grooves 6 communicated with the bottom, the longitudinal upper layer fireproof precast slabs 8 are provided with three clamping grooves 6 communicated with the top, and the transverse layer fireproof precast slabs 7 and the longitudinal upper layer fireproof precast slabs 8 are spliced into the upper layer grid structure 3 through the clamping grooves 6.
In the embodiment, the grid refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 70% of recycled aluminum-magnesia carbon bricks: 16.7 percent of recycled high alumina brick: 5% of calcium aluminate cement: 8%, sodium tripolyphosphate: 0.1 percent of organic fiber: 0.2%.
The tank body refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 67% of recycled magnesia carbon brick: 20% of corundum brick after recycling: 5% of calcium aluminate cement: 3%, guangxi white mud: 5%.
Wherein, the SiO of the used silica bricks is recovered 2 The content is more than or equal to 90 percent, the C content of the recycled aluminum-magnesia carbon brick and the recycled magnesia carbon brick is more than or equal to 5 percent, the granularity is less than 5mm, and the Al of the recycled high-alumina brick and the recycled corundum brick 2 O 3 The content is more than or equal to 48 percent, the granularity is less than 0.088mm, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 69 percent, and the CaO content is 30 percent.
In addition, the heights of the lower layer grating structure 2 and the upper layer grating structure 3 are 1.5m, the thickness of the grating positioning clamping column 9 is 30mm, and the width of the pressing bar 10 is 20mm.
The manufacturing method of the present embodiment includes the steps of:
a) The manufacturing components are used for manufacturing a tank body 1, a lower layer grid structure 2 and an upper layer grid structure 3;
b) Welding grid positioning clamping columns 9 on the tank body 1, and welding pressing strips 10 on the periphery of the inner side of the upper edge of the tank body 1;
c) Installing a lower layer grating structure 2, and fixing the lower layer grating structure 2 through a grating positioning clamping column 9;
d) The connection part between the tank body 1 and the lower layer grating structure 2 is gunned by adopting a semi-dry method, and the gunning thickness is 50mm;
e) The upper layer grating structure 3 is installed, the upper layer grating structure 3 is fixed through the grating positioning clamping column 9, and the distance between the top of the upper layer grating structure 3 and the upper edge of the tank body 1 is 100mm;
f) Spraying and repairing other parts on the inner side of the tank body 1 by adopting a semi-dry method, wherein the spraying and repairing thickness is 50mm, and the spraying and repairing height is flush with the height of the tank body 1, so as to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance for 24 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
Example 2
As shown in figure 1, the large metallurgical slag pot comprises a pot body 1, wherein a lower layer grating structure 2 and an upper layer grating structure 3 are arranged in the pot body 1 from bottom to top, the lower layer grating structure 2 is a two-horizontal two-vertical groined structure, the upper layer grating structure 3 is a three-horizontal three-vertical structure, the lower layer grating structure 2 and the upper layer grating structure 3 are formed by processing grating resistant materials, the tank body 1 is formed by processing tank body resistant materials, the inner part of the tank body 1 is provided with grating positioning clamping columns 9 for positioning the lower layer grating structure 2 and the upper layer grating structure 3, and the periphery of the inner side of the upper edge of the tank body 1 is provided with pressing strips 10.
The lower layer of the grid structure 2 is shown in fig. 1 and 2, and comprises two transverse lower layer fireproof precast slabs 4 and two longitudinal lower layer fireproof precast slabs 5, wherein the transverse lower layer fireproof precast slabs 4 are provided with two clamping grooves 6 communicated with the bottom, the longitudinal lower layer fireproof precast slabs 5 are provided with two clamping grooves 6 communicated with the top, the transverse lower layer fireproof precast slabs 4 and the longitudinal lower layer fireproof precast slabs 5 are spliced into the lower layer of the grid structure 2 through the clamping grooves 6, the upper layer of the grid structure 3 comprises three transverse layer fireproof precast slabs 7 and three longitudinal upper layer fireproof precast slabs 8, the transverse layer fireproof precast slabs 7 are provided with three clamping grooves 6 communicated with the bottom, the longitudinal upper layer fireproof precast slabs 8 are provided with three clamping grooves 6 communicated with the top, and the transverse layer fireproof precast slabs 7 and the longitudinal upper layer fireproof precast slabs 8 are spliced into the upper layer grid structure 3 through the clamping grooves 6.
In the embodiment, the grid refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 50% of recycled aluminum carbon brick: 20 percent of recycled high-alumina bricks: 20% of calcium aluminate cement: 9.7%, sodium tripolyphosphate: 0.15 percent of organic fiber: 0.15%.
The tank body refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 50% of recycled aluminum silicon carbide carbon brick: 20% of corundum castable after recycling: 20% of calcium aluminate cement: 7%, guangxi white mud: 3%.
Wherein, the SiO of the used silica bricks is recovered 2 The content is more than or equal to 95 percent, the C content of the recycled aluminum-carbon brick and the recycled aluminum-silicon-carbide-carbon brick is more than or equal to 6 percent, the granularity is less than 5mm, and the Al of the recycled high-alumina brick and the recycled corundum castable is 2 O 3 The content is more than or equal to 48 percent, the granularity is less than 0.088mm, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 70 percent, and the CaO content is 26 percent.
In addition, the heights of the lower layer grating structure 2 and the upper layer grating structure 3 are 2m, the thickness of the grating positioning clamping column 9 is 50mm, and the width of the pressing bar 10 is 30mm.
The manufacturing method of the present embodiment includes the steps of:
a) The manufacturing components are used for manufacturing a tank body 1, a lower layer grid structure 2 and an upper layer grid structure 3;
b) Welding grid positioning clamping columns 9 on the tank body 1, and welding pressing strips 10 on the periphery of the inner side of the upper edge of the tank body 1;
c) Installing a lower layer grating structure 2, and fixing the lower layer grating structure 2 through a grating positioning clamping column 9;
d) The connection part between the tank body 1 and the lower layer grating structure 2 is gunned by adopting a semi-dry method, and the gunning thickness is 80mm;
e) The upper layer grating structure 3 is installed, the upper layer grating structure 3 is fixed through the grating positioning clamping column 9, and the distance between the top of the upper layer grating structure 3 and the upper edge of the tank body 1 is 800mm;
f) Spraying and repairing other parts on the inner side of the tank body 1 by adopting a semi-dry method, wherein the spraying and repairing thickness is 80mm, and the spraying and repairing height is flush with the height of the tank body 1, so as to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance for 30 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
Example 3
As shown in figure 1, the large metallurgical slag pot comprises a pot body 1, wherein a lower layer grating structure 2 and an upper layer grating structure 3 are arranged in the pot body 1 from bottom to top, the lower layer grating structure 2 is a two-horizontal two-vertical groined structure, the upper layer grating structure 3 is a three-horizontal three-vertical structure, the lower layer grating structure 2 and the upper layer grating structure 3 are formed by processing grating resistant materials, the tank body 1 is formed by processing tank body resistant materials, the inner part of the tank body 1 is provided with grating positioning clamping columns 9 for positioning the lower layer grating structure 2 and the upper layer grating structure 3, and the periphery of the inner side of the upper edge of the tank body 1 is provided with pressing strips 10.
The lower layer of the grid structure 2 is shown in fig. 1 and 2, and comprises two transverse lower layer fireproof precast slabs 4 and two longitudinal lower layer fireproof precast slabs 5, wherein the transverse lower layer fireproof precast slabs 4 are provided with two clamping grooves 6 communicated with the bottom, the longitudinal lower layer fireproof precast slabs 5 are provided with two clamping grooves 6 communicated with the top, the transverse lower layer fireproof precast slabs 4 and the longitudinal lower layer fireproof precast slabs 5 are spliced into the lower layer of the grid structure 2 through the clamping grooves 6, the upper layer of the grid structure 3 comprises three transverse layer fireproof precast slabs 7 and three longitudinal upper layer fireproof precast slabs 8, the transverse layer fireproof precast slabs 7 are provided with three clamping grooves 6 communicated with the bottom, the longitudinal upper layer fireproof precast slabs 8 are provided with three clamping grooves 6 communicated with the top, and the transverse layer fireproof precast slabs 7 and the longitudinal upper layer fireproof precast slabs 8 are spliced into the upper layer grid structure 3 through the clamping grooves 6.
In the embodiment, the grid refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 61.7 percent of recycled aluminum-magnesia carbon brick: 18% of recycled bauxite casting material: 17 percent of calcium aluminate cement: 3%, sodium hexametaphosphate: 0.1 percent of organic fiber: 0.2%.
The tank body refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 55% of recycled aluminum carbon brick: 15% of recycled high-alumina bricks: 15% of calcium aluminate cement: 13%, ball clay: 2%.
Wherein, the SiO of the used silica bricks is recovered 2 The content is more than or equal to 90 percent, the C content of the recycled aluminum-magnesia carbon brick and the recycled aluminum-carbon brick is more than or equal to 5 percent, the granularity is less than 5mm, and the recycled alumina castable and the Al of the recycled high-alumina brick 2 O 3 The content is more than or equal to 48 percent, the granularity is less than 0.088mm, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 70 percent, and the CaO content is 28 percent.
In addition, the heights of the lower layer grating structure 2 and the upper layer grating structure 3 are 1.8m, the thickness of the grating positioning clamping column 9 is 40mm, and the width of the pressing bar 10 is 25mm.
The manufacturing method of the present embodiment includes the steps of:
a) The manufacturing components are used for manufacturing a tank body 1, a lower layer grid structure 2 and an upper layer grid structure 3;
b) Welding grid positioning clamping columns 9 on the tank body 1, and welding pressing strips 10 on the periphery of the inner side of the upper edge of the tank body 1;
c) Installing a lower layer grating structure 2, and fixing the lower layer grating structure 2 through a grating positioning clamping column 9;
d) The connection part between the tank body 1 and the lower layer grating structure 2 is gunned by adopting a semi-dry method, and the gunning thickness is 60mm;
e) The upper layer grating structure 3 is installed, the upper layer grating structure 3 is fixed through the grating positioning clamping column 9, and the top of the upper layer grating structure 3 is 500mm away from the upper edge of the tank body 1;
f) Spraying and repairing other parts on the inner side of the tank body 1 by adopting a semi-dry method, wherein the spraying and repairing thickness is 60mm, and the spraying and repairing height is flush with the height of the tank body 1, so as to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance, wherein the health maintenance time is 25 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
Example 4
As shown in figure 1, the large metallurgical slag pot comprises a pot body 1, wherein a lower layer grating structure 2 and an upper layer grating structure 3 are arranged in the pot body 1 from bottom to top, the lower layer grating structure 2 is a two-horizontal two-vertical groined structure, the upper layer grating structure 3 is a three-horizontal three-vertical structure, the lower layer grating structure 2 and the upper layer grating structure 3 are formed by processing grating resistant materials, the tank body 1 is formed by processing tank body resistant materials, the inner part of the tank body 1 is provided with grating positioning clamping columns 9 for positioning the lower layer grating structure 2 and the upper layer grating structure 3, and the periphery of the inner side of the upper edge of the tank body 1 is provided with pressing strips 10.
The lower layer of the grid structure 2 is shown in fig. 1 and 2, and comprises two transverse lower layer fireproof precast slabs 4 and two longitudinal lower layer fireproof precast slabs 5, wherein the transverse lower layer fireproof precast slabs 4 are provided with two clamping grooves 6 communicated with the bottom, the longitudinal lower layer fireproof precast slabs 5 are provided with two clamping grooves 6 communicated with the top, the transverse lower layer fireproof precast slabs 4 and the longitudinal lower layer fireproof precast slabs 5 are spliced into the lower layer of the grid structure 2 through the clamping grooves 6, the upper layer of the grid structure 3 comprises three transverse layer fireproof precast slabs 7 and three longitudinal upper layer fireproof precast slabs 8, the transverse layer fireproof precast slabs 7 are provided with three clamping grooves 6 communicated with the bottom, the longitudinal upper layer fireproof precast slabs 8 are provided with three clamping grooves 6 communicated with the top, and the transverse layer fireproof precast slabs 7 and the longitudinal upper layer fireproof precast slabs 8 are spliced into the upper layer grid structure 3 through the clamping grooves 6.
In the embodiment, the grid refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 65% of recycled magnesia carbon bricks: 5% of recycled high-alumina bricks: 14.45 percent of calcium aluminate cement: 15%, sodium hexametaphosphate: 0.5 percent of aluminum powder: 0.05%.
The tank body refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 60% of recycled aluminum-magnesia carbon bricks: 12% of corundum brick after recovery: 15% of calcium aluminate cement: 12.9% sodium polyacrylate: 0.1%.
Wherein, the SiO of the used silica bricks is recovered 2 The content is more than or equal to 90 percent, the C content of the magnesia carbon brick after recovery and the alumina magnesia carbon brick after recovery is more than or equal to 5 percent, the granularity is less than 5mm, and the Al of the high alumina brick after recovery and the corundum brick after recovery 2 O 3 The content is more than or equal to 48 percent, the granularity is less than 0.088mm, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 72 percent, and the CaO content is 29 percent.
In addition, the heights of the lower layer grating structure 2 and the upper layer grating structure 3 are 1.6m, the thickness of the grating positioning clamping column 9 is 35mm, and the width of the pressing bar 10 is 25mm.
The manufacturing method of the present embodiment includes the steps of:
a) The manufacturing components are used for manufacturing a tank body 1, a lower layer grid structure 2 and an upper layer grid structure 3;
b) Welding grid positioning clamping columns 9 on the tank body 1, and welding pressing strips 10 on the periphery of the inner side of the upper edge of the tank body 1;
c) Installing a lower layer grating structure 2, and fixing the lower layer grating structure 2 through a grating positioning clamping column 9;
d) The connection part between the tank body 1 and the lower layer grating structure 2 is gunned by adopting a semi-dry method, and the gunning thickness is 70mm;
e) The upper layer grating structure 3 is installed, the upper layer grating structure 3 is fixed through the grating positioning clamping column 9, and the top of the upper layer grating structure 3 is 400mm away from the upper edge of the tank body 1;
f) Spraying and repairing other parts on the inner side of the tank body 1 by adopting a semi-dry method, wherein the spraying and repairing thickness is 70mm, and the spraying and repairing height is flush with the height of the tank body 1, so as to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance, wherein the health maintenance time is 25 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
Example 5
As shown in figure 1, the large metallurgical slag pot comprises a pot body 1, wherein a lower layer grating structure 2 and an upper layer grating structure 3 are arranged in the pot body 1 from bottom to top, the lower layer grating structure 2 is a two-horizontal two-vertical groined structure, the upper layer grating structure 3 is a three-horizontal three-vertical structure, the lower layer grating structure 2 and the upper layer grating structure 3 are formed by processing grating resistant materials, the tank body 1 is formed by processing tank body resistant materials, the inner part of the tank body 1 is provided with grating positioning clamping columns 9 for positioning the lower layer grating structure 2 and the upper layer grating structure 3, and the periphery of the inner side of the upper edge of the tank body 1 is provided with pressing strips 10.
The lower layer of the grid structure 2 is shown in fig. 1 and 2, and comprises two transverse lower layer fireproof precast slabs 4 and two longitudinal lower layer fireproof precast slabs 5, wherein the transverse lower layer fireproof precast slabs 4 are provided with two clamping grooves 6 communicated with the bottom, the longitudinal lower layer fireproof precast slabs 5 are provided with two clamping grooves 6 communicated with the top, the transverse lower layer fireproof precast slabs 4 and the longitudinal lower layer fireproof precast slabs 5 are spliced into the lower layer of the grid structure 2 through the clamping grooves 6, the upper layer of the grid structure 3 comprises three transverse layer fireproof precast slabs 7 and three longitudinal upper layer fireproof precast slabs 8, the transverse layer fireproof precast slabs 7 are provided with three clamping grooves 6 communicated with the bottom, the longitudinal upper layer fireproof precast slabs 8 are provided with three clamping grooves 6 communicated with the top, and the transverse layer fireproof precast slabs 7 and the longitudinal upper layer fireproof precast slabs 8 are spliced into the upper layer grid structure 3 through the clamping grooves 6.
In the embodiment, the grid refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 65% of recycled magnesia carbon bricks: 12% of corundum brick after recovery: 12% of calcium aluminate cement: 10.8%, sodium hexametaphosphate: 0.15 percent of aluminum powder: 0.05%.
The tank body refractory comprises the following components in percentage by weight:
and (3) recovering the used silica bricks: 70% of recycled aluminum-magnesia carbon bricks: 5% of recycled high-alumina bricks: 7% of calcium aluminate cement: 15% sodium carboxymethylcellulose: 3%.
Wherein, the SiO of the used silica bricks is recovered 2 The content is more than or equal to 90 percent, the C content of the magnesia carbon brick after recovery and the alumina magnesia carbon brick after recovery is more than or equal to 5 percent, the granularity is less than 5mm, and the Al of the corundum brick after recovery and the alumina brick after recovery 2 O 3 The content is more than or equal to 48 percent, the granularity is less than 0.088mm, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 69 percent, and the CaO content is 30 percent.
In addition, the heights of the lower layer grating structure 2 and the upper layer grating structure 3 are 2m, the thickness of the grating positioning clamping column 9 is 50mm, and the width of the pressing bar 10 is 30mm.
The manufacturing method of the present embodiment includes the steps of:
a) The manufacturing components are used for manufacturing a tank body 1, a lower layer grid structure 2 and an upper layer grid structure 3;
b) Welding grid positioning clamping columns 9 on the tank body 1, and welding pressing strips 10 on the periphery of the inner side of the upper edge of the tank body 1;
c) Installing a lower layer grating structure 2, and fixing the lower layer grating structure 2 through a grating positioning clamping column 9;
d) The connection part between the tank body 1 and the lower layer grating structure 2 is gunned by adopting a semi-dry method, and the gunning thickness is 70mm;
e) The upper layer grating structure 3 is installed, the upper layer grating structure 3 is fixed through the grating positioning clamping column 9, and the top of the upper layer grating structure 3 is 600mm away from the upper edge of the tank body 1;
f) Spraying and repairing other parts on the inner side of the tank body 1 by adopting a semi-dry method, wherein the spraying and repairing thickness is 70mm, and the spraying and repairing height is flush with the height of the tank body 1, so as to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance for 28 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
The strength of the grid resistant material and the tank resistant material obtained in the above example are shown in Table 1
TABLE 1 grille resistance and can body resistance Strength
As can be seen from Table 1, the strength of the grid refractory and the tank refractory can meet the use requirement.
The large metallurgical slag tank and the manufacturing method thereof use a double-layer grid assembly mode for construction, so that the problem that the large slag tank with the height exceeding 4 meters and the segmented slag blocks are too large is effectively solved; the recycled silica brick particles are used as the main component of the silica brick, seven crystal variants and one amorphous variant exist in the silica brick, and the used grid refractory and the used tank refractory are greatly contracted due to the transformation of the crystal forms in the temperature reduction process, so that slag blocks and the refractory can be separated, a self-cleaning effect is achieved, and manual or mechanical equipment is not required for separation; the carbon-containing reclaimed material is added into the refractory material, and a certain amount of carbon is contained, so that the sintering of the slag blocks and the refractory material can be effectively prevented, and the separation difficulty of the slag blocks and the refractory material is reduced; the inner side part of the tank body is subjected to gunning construction by using a semi-dry method, so that the manual strength can be effectively reduced, the difficult-to-construct part can be effectively gunned, and the uniformity of construction thickness is ensured; the grid structure is positioned through the grid positioning clamping column 9, and the inner side of the tank body 1 is gunned between the upper end of the upper grid structure 3 and the pressing strip 10 of the tank body 1, so that the upper grid structure 3 is effectively fixed, other pressing plates or pressing strips are not required to be used for fixing, and the slag tank structure is simplified.

Claims (10)

1. The utility model provides a large-scale metallurgical slag pot, includes a jar body (1), its characterized in that: the utility model discloses a jar, including jar body (1), jar body, upper grid structure (3), lower floor's grid structure (2) and upper grid structure (3) are equipped with from bottom to top in, lower floor's grid structure (2) are two horizontal two vertical groined type structures, upper grid structure (3) are three horizontal three vertical structures, lower floor's grid structure (2) and upper grid structure (3) all are formed through the processing of grid resistant material, jar body (1) is formed through jar body resistant material processing, grid resistant material is according to weight percent, includes following component: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of water reducer: 0.1 to 0.5 percent of explosion-proof agent: 0.05 to 0.2 percent of tank body refractory material comprises the following components in percentage by weight: and (3) recovering the used silica bricks: 50-70 percent of carbon-containing reclaimed materials: 5-20% of aluminum regenerated material: 5-20% of calcium aluminate cement: 3-15 percent of plasticizer: 0.1 to 5 percent.
2. The large scale metallurgical slag pot of claim 1, wherein: the lower-layer grille structure (2) comprises two transverse lower-layer fireproof precast slabs (4) and two longitudinal lower-layer fireproof precast slabs (5), wherein two clamping grooves (6) communicated with the bottom are formed in the transverse lower-layer fireproof precast slabs (4), two clamping grooves (6) communicated with the top are formed in the longitudinal lower-layer fireproof precast slabs (5), and the transverse lower-layer fireproof precast slabs (4) and the longitudinal lower-layer fireproof precast slabs (5) are spliced into the lower-layer grille structure (2) through the clamping grooves (6).
3. The large scale metallurgical slag pot of claim 1, wherein: the upper grid structure (3) comprises three transverse upper fireproof precast slabs (7) and three longitudinal upper fireproof precast slabs (8), wherein three clamping grooves (6) communicated with the bottom are formed in the transverse upper fireproof precast slabs (7), three clamping grooves (6) communicated with the top are formed in the longitudinal upper fireproof precast slabs (8), and the transverse upper fireproof precast slabs (7) and the longitudinal upper fireproof precast slabs (8) are spliced into the upper grid structure (3) through the clamping grooves (6).
4. The large scale metallurgical slag pot of claim 1, wherein: the inner part of the tank body (1) is provided with a grid positioning clamping column (9) for positioning the lower grid structure (2) and the upper grid structure (3).
5. The large scale metallurgical slag pot of claim 1, wherein: the periphery of the inner side of the upper edge of the tank body (1) is provided with a pressing strip (10).
6. The large scale metallurgical slag pot of claim 1, wherein: siO of the recycled silica brick 2 The content is more than or equal to 90 percent, the carbon-containing reclaimed material refers to one or more of recycled aluminum magnesia carbon bricks, recycled aluminum silicon carbide carbon bricks, wherein the content of C is more than or equal to 5 percent, the granularity is less than 5mm, the aluminum reclaimed material refers to one or more of recycled corundum bricks, recycled high alumina bricks, recycled corundum castable and recycled bauxite castable, wherein Al 2 O 3 More than or equal to 48 percent and the granularity is less than 0.088mm, the water reducing agent is one or more of sodium tripolyphosphate and sodium hexametaphosphate, the explosion-proof agent is one or more of organic fiber and metal aluminum powder, the plasticizer is one or more of Guangxi white mud, ball clay, sodium carboxymethyl cellulose and sodium polyacrylate, and the Al of the calcium aluminate cement 2 O 3 The content is more than or equal to 69 percent, and the CaO content is 26 to 30 percent.
7. The large scale metallurgical slag pot of claim 1, wherein: the heights of the lower layer grating structure (2) and the upper layer grating structure (3) are 1.5-2 m.
8. The large scale metallurgical slag pot of claim 4, wherein: the thickness of the grid positioning clamping column (9) is 30-50 mm.
9. The large scale metallurgical slag pot of claim 5, wherein: the width of the pressing strip (10) is 20-30 mm.
10. A method of manufacturing a large metallurgical slag ladle as claimed in claim 4 wherein: the method comprises the following steps:
a) The manufacturing components are used for manufacturing a tank body (1), a lower layer grid structure (2) and an upper layer grid structure (3);
b) Welding grid positioning clamping columns (9) on the tank body (1), and welding pressing strips (10) on the periphery of the inner side of the tank body (1);
c) Installing the lower-layer grid structure (2), and fixing the lower-layer grid structure (2) through the grid positioning clamping columns (9);
d) The connection part between the tank body (1) and the lower layer grid structure (2) is subjected to gunning by adopting a semi-dry method, and the gunning thickness is 50-80 mm;
e) The upper layer grating structure (3) is installed, the upper layer grating structure (3) is fixed through the grating positioning clamping column (9), and the distance between the top of the upper layer grating structure (3) and the upper edge of the tank body (1) is 100-800 mm;
f) Spraying and repairing other parts on the inner side of the tank body (1) by adopting a semi-dry method, wherein the spraying and repairing thickness is 50-80 mm, and the spraying and repairing height is flush with the height of the tank body (1) to obtain a slag tank blank;
g) Placing the slag ladle blank at normal temperature for health maintenance, wherein the health maintenance time is longer than 24 hours;
h) And baking the slag ladle blank to obtain the large metallurgical slag ladle.
CN202210473628.8A 2022-04-29 2022-04-29 Large metallurgical slag pot and manufacturing method thereof Active CN114752716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210473628.8A CN114752716B (en) 2022-04-29 2022-04-29 Large metallurgical slag pot and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210473628.8A CN114752716B (en) 2022-04-29 2022-04-29 Large metallurgical slag pot and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN114752716A CN114752716A (en) 2022-07-15
CN114752716B true CN114752716B (en) 2023-09-08

Family

ID=82332611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210473628.8A Active CN114752716B (en) 2022-04-29 2022-04-29 Large metallurgical slag pot and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN114752716B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117303925B (en) * 2023-11-30 2024-01-30 大石桥市晟华耐火材料有限公司 Preparation method of high-temperature-resistant thermal shock-resistant composite magnesia carbon-based refractory brick

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201416007Y (en) * 2009-06-12 2010-03-03 上海盛江特种耐火材料有限公司 Slag pot isolator
CN202022952U (en) * 2010-12-31 2011-11-02 新疆八一钢铁股份有限公司 Improved converter slag disk
KR101341331B1 (en) * 2012-07-05 2014-01-10 호남석회공업(주) Jig for slag pot and method for excluding slag using the same
KR101358104B1 (en) * 2012-11-22 2014-02-06 호남석회공업(주) Jig for slag pot and method for manufacturing the same
CN204529888U (en) * 2015-04-03 2015-08-05 张家港市凯基贸易有限公司 A kind of slag tank for metallurgy barrier apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201416007Y (en) * 2009-06-12 2010-03-03 上海盛江特种耐火材料有限公司 Slag pot isolator
CN202022952U (en) * 2010-12-31 2011-11-02 新疆八一钢铁股份有限公司 Improved converter slag disk
KR101341331B1 (en) * 2012-07-05 2014-01-10 호남석회공업(주) Jig for slag pot and method for excluding slag using the same
KR101358104B1 (en) * 2012-11-22 2014-02-06 호남석회공업(주) Jig for slag pot and method for manufacturing the same
CN204529888U (en) * 2015-04-03 2015-08-05 张家港市凯基贸易有限公司 A kind of slag tank for metallurgy barrier apparatus

Also Published As

Publication number Publication date
CN114752716A (en) 2022-07-15

Similar Documents

Publication Publication Date Title
CN103736985B (en) A kind of ladle working lining and slag lining thereof build by laying method
CN105436492B (en) A kind of continuous casting production reworked material working lining and preparation method thereof
CN114752716B (en) Large metallurgical slag pot and manufacturing method thereof
CN106145964B (en) Dry ramming material for large ladle bottom working lining
CN102699316B (en) Method for preparing beam blank continuous casting machine tundish working lining by using construction tire film of beam blank continuous casting machine tundish working lining
CN106435073A (en) Blast furnace liner overall pouring construction method for replacing spraying materials and refractory bricks
CN111673075A (en) Tundish composite slag line permanent lining and preparation method thereof
CN104003741A (en) Tundish covering castable and preparation method thereof
CN104759611B (en) What a kind of ladle was combined working lining and slag lining thereof builds by laying method
CN112500132A (en) Novel refractory material of low-carbon tundish working lining and building method
CN104858409A (en) Steel ladle for steelmaking
CN104529485B (en) Two-layer compound refractory material and two-layer compound refractory material ditch cover and its manufacture method and application
CN110183213B (en) Tundish dry-type working lining added with waste refractory material and preparation method thereof
CN206425545U (en) A kind of ladle wall working lining
CN201233018Y (en) Flue shutter for carbon calciner
CN103298956B (en) Industrial furnace cover
CN209272454U (en) A kind of new-type ladle
CN204584250U (en) A kind of ladle for making steel
CN214814757U (en) High-stability composite steel ladle edge structure
CN202639315U (en) Sketch blank continuous caster tundish working lining and construction embryonic membrane thereof
CN104972104A (en) Manufacturing method and combination mode of tundish working lining
CN103397198A (en) Oxygen-rich reduction furnace for processing low-grade multi-metal material
CN204545398U (en) A kind of ladle compound working lining
CN206308387U (en) A kind of RH vacuum chambers bottom masonry construction
CN108166020B (en) Shaping and heat-insulating combined brick block for upper part of anode carbon block

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant