Tudish, ladle insulation agent

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Tudish, ladle insulation agent

Product description

In order to meet the continuous casting supporting service, combined with steel ladle lining material and different, my company research and development the LF series insulation agent. The slag series press carbon content is divided into: high carbon, medium carbon, low carbon, no carbon; According to the basicity partial acid and alkaline divided into; According to the slag powder and granular form into, so in use, can according to the specific conditions of continuous casting are chosen, it has spread out performance is good, insulation is strong, not crusting, don't include line erosion, adsorption mingled with performance is good, not pollution advantages of molten steel, well received by users.

The product model: LF-XJ

Applicable kinds: of carbon-steel, optimal carbon steel, low alloy steel, etc

Applicable section: all kinds of continuous casting slab shape of form a complete set of ladle, tundish.

Main physical and chemical indexes su

name

High carbon  carbon    low carbon   carbon     basic

model

XJ-1        XJ-2      XJ-3       XJ-4        XJ-5

water

≤2%        ≤1%       ≤1%       ≤1%        ≤1%

Particle size

≤3mm       ≤-100mm   ≤2mm      ≤2mm       ≤2mm

Carbon content

  20~40%     10~20%    ≤6%        ---        10~25%

Cao/Sio2

 ---         0.5~1.0   ≥0.90     ≥0.90     1~3.5


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Q:What are the types of advanced refractory?
According to the chemical composition of minerals,refractory can be divided into eight categories: 1, siliceous material. 2, aluminosilicate materials. 3, magnesia materials. 4, dolomite materials. 5, chromium materials. 6, the carbonaceous material. 7, zirconium materials. 8, special refractories. 1. refractories according to chemical properties can be divided into three categories: 1, acidic refractory materials. 2, neutral refractories. 3, basic refractories. 1. refractories according to chemical properties can be divided into three categories: 1, ordinary refractories, refractoriness is 1580-1770 degrees. 2, advanced refractories refractoriness is 1770-2000 degrees. 3, super refractories refractoriness higher than 2000 degrees. 3. refractory according to the forming process can be classified into seven categories: 1, natural rock molding process. 2, compression moulding refractories. 3, moulding refractories by casting. 4, plastic molding refractories. 5, ramming molding refractories. 6, injection molding refractories. 7, extrusion molding refractories.
Q:What problems should be paid attention to while using refractory materials under a controlled atmosphere?
Pay attention to the performance of the materials, and the use of non oxide materials!
Q:For refractory, why is it necessary to store the first mixing materials for some time under proper moisture and temperature?
It is mainly to remove gas form chemical reactions in the pug, give full play to plasticity and binding properties of combined, and store unburned brick whose cememting agent is phosphoric acid or aluminium phosphate for some time under proper moisture and temperature. For example, to avoid the formed bricks in the initial stage of drying and firing form cracking due to hydration of calcium oxide. Mixing materials is to store the first mixing materials for some time under proper moisture and temperature in order to improve the evenness and moldability of pud, such as making the distribution of combined clay and water more even. The length of storing chiefly depends on the process requirements and the characteristics of blanks. For the producing pug of high temperature kiln furnitures, the storing time is longer. The function of storing mxing materials varies with different natures of blanks. For honeycomb ceramics, it is to fully digest calcium oxide in blanks. For storing magnesia brick blanks containing much calcium oxide, it should be stored for some time in proper humidity and temperature.
Q:The classification of clay according to refractoriness, and what is the plasticity and plasticity index of clay?
Q:what's the varieties of thermal insulation material with A level fire rating?
the main A level fireproof material is rock wool now (note:it is rock wool not mineral wool). A1 level fireproofing, now the largest producer is Taishi rock wool Co., Ltd.; hope my answer can help you, thank you.
Q:What's the texture of refractory for the hearth of reverberatory furnace? ?
The long-term usage temperature of ceramic fiber is between 950-1260 degrees.
Q:What's the maximum temperature that the high-temperature resistant refractory ceramic fiber cotton can endure?
It depends on what material the ceramic fiber gasket uses. It’s usually referred to high temperature gasket made from ceramic fiber paper. It is generally classified into normalized form and high alumina type, of which the former can resist the maximum temperature of 1260℃ and its continuous use temperature is 1000℃, and the latter can be used for a long period at the temperature of 1200℃. Nichrome wire, stainless steel wire and glass fiber are reinforced. Ceramic fiber coating cloth and slag cloth, sintering ceramic fiber cloth and ceramic fiber fumigation cloth) Characteristics of the ceramic fiber cloth: It has high temperature resistance, low heat conductivity, thermal shock resistance, low thermal capacity; superior insulating property at high temperature, long service life; resistance to nonferrous metals like molten aluminum and zinc erosion; low and high temperature strength; innocuity with no adverse effect on the environment.
Q:What substitutes are available for high-end refractories in addition to zircon sand?
The composite sand powder can effectively replace zircon sand, with the same operation process, less operation time and environmental protection
Q:Who knows what fire heat preservation material are there?
1 thermal insulation materials with class A combustion performance Rock wool, glass wool, foam glass, ceramic foam, foamed cement, perlite and other 2. thermal insulation materials with B1 combustion performance Specially processed extruded polystyrene board (XPS) / specially processed polyurethane (PU), phenol, powder polystyrene particles. Heat-insulating material with B2 termal insulation performance Fire resistance can be thoroughly sloved by combining molded expanded polystyrene (EPS), extruded polystyrene (XPS) and polyurethane (PU), polyethylene (PE) Hairong module with glass beads (and cooperating with vitrified micro bead inventor Liu Weihua), hope my answer will help!
Q:Does the refractory material used in steelmaking all refer to refractory brick?
Besides refractory brick, it also refers to unshaped refractories like fire clay and castables.

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