Direct-Bonded Magnesia-Chrome Brick FAM-6

Direct-Bonded Magnesia-Chrome Brick FAM-6 System 1

Direct-Bonded Magnesia-Chrome Brick FAM-6

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Description:

It is made with sintered magnesia and refractory level chrome ore as raw materials. The space between refractory grains is bonded with silicate. The domestic so called magnesia –Chrome bricks .

The refractoriness of magnesia chrome bricks are more than 2000°C,and the refractory under load is a above 1550°C.Good steady volume in high temperature , the performance of meeting sudden cold and sudden hot is better than magnesia bricks

Specifications:

Direct-Bonded Magnesia-Chrome Brick

Main Application:It’s mainly applied to line the sintering zone of the new dry-processing of cement kilns and glass tank furnaces as checkers and the other industrial furnaces.

Chemical & Physical Data

Brand	MgO %	Cr2O3 %	SiO2 %	A.P. %	BDg/cm3	CCS.MPa	R.U.L °C
DBMGe-8A	≥74	≥8	≤1.5	≤18	2.98	≥40	1660
DBMGe-8B	≥74	≥8	≤2.0	≤18	2.98	≥35	1600
DBMGe-12A	≥66	≥12	≤1.5	≤18	3.1	≥40	1660
DBMGe-12B	≥66	≥12	≤2.0	≤18	3.1	≥35	1600
DBMGe-16A	≥60	≥16	≤1.5	≤18	3.15	≥40	1660
DBMGe-16B	≥60	≥16	≤2.0	≤18	3.15	≥35	1600

Rebonded Magnesia-Chrome Brick

Main Application:

Chemical & Physical Data

Brand	MgO %	Cr2O3 %	SiO2 %	A.P. %	BDg/cm3	CCS.MPa	R.U.L °C
RBMG-16A	≥65	≥16	≤1.2	≤16	3.1	≥45	1750
RBMG-16B	≥60	≥16	≤1.6	≤16	3.1	≥40	1700
RBMG-20A	≥60	≥20	≤1.2	≤16	3.15	≥45	1750
RBMG-20B	≥60	≥20	≤1.2	≤16	3.15	≥40	1700

Semi-Rebonded Magnesia-Chrome Brick

Main Application:It’s widely used for every industrial furnaces of the metallurgical and building materials industry.

Chemical & Physical Data

Brand	MgO %	Cr2O3 %	SiO2 %	A.P. %	BDg/cm3	CCS.MPa	R.U.L °C
SBMG-16A	≥60	≥16	≤1.5	≤17	3.1	≥40	1750
SBMG-16B	≥60	≥16	≤1.8	≤17	3.1	≥35	1700
SBMG-20A	≥55	≥20	≤1.5	≤17	3.15	≥40	1750
SBMG-20B	≥55	≥20	≤1.8	≤17	3.15	≥35	1700

Packaging & Shipping

The bricks are packed on wooden pallet with papers in each layer and PP film wrapped outside of the whole pallet.

Direct-Bonded Magnesia-Chrome Brick FAM-6

FACTORY

Direct-Bonded Magnesia-Chrome Brick FAM-6

Q:Process for producing magnesia chrome brick: The fine powder compacts after calcination produced by magnesia - chrome ore grinding method, brick with magnesia coarse particles, are effective measures to eliminate the effect of loose. Compared with the common magnesia chrome brick, the magnesia chrome brick made by this method has lower porosity, higher compressive strength, higher softening temperature and higher flexural strength. Compacts with chrome magnesite powder, magnesia chrome brick by synthetic magnesia chrome sand made of high-temperature calcination, slag resistance and high temperature strength are better than other magnesite chrome brick.In addition, magnesite brick and electric arc furnace melting magnesium chromium material by direct casting (see Figure microstructure, color), fused magnesia chrome brick material produced by the process of melting particles combined with magnesia chrome brick etc..

Q:What are the main raw materials of magnesia chrome bricks?: Magnesium alloys are alloys based on magnesium and other elements. Its characteristics are: small density (1.8g/cm3 magnesium alloy or so), high specific strength, high modulus of elasticity, good heat dissipation, good shock resistance, greater impact load capacity than aluminum alloy, good resistance to organic and alkaline corrosion. The main alloying elements are aluminum, zinc, manganese, cerium, thorium, and a small amount of zirconium or cadmium.

Q:Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?: High alumina brick clay brick up to 1700 degrees above 1500 degrees -1750 degrees of magnesia brick and magnesia chrome brick 1500-1650 degrees.

Q:Magnesium chrome brick price?: Dashiqiao magnesium brick factory of China Building Materials Academy is a joint stock company invested, constructed and managed by China Building Materials Academy.The plant was built in 1992, officially put into operation in 1993, covers an area of 89 thousand square meters, has a long 118 meters, an annual output of 30 thousand tons of high temperature tunnel kiln production line. The group has 1200 employees, 6 senior engineers, more than 20 engineers and technicians, and has strong technical force. Group's total assets of 5.5 million, with an annual output value of 600 million. Profit and tax 65 million yuan.

Q:What is a half combination of magnesia chrome bricks?: Opacifying particles as periclase spinel crystal structure, fully developed, as part of account of solution structure and matrix.

Q:What are the differences between magnesium chrome bricks, such as direct bonding, re bonding, semi bonding, CO sintering and chemical bonding? Hope expert advice..: Direct bonded magnesia chrome brickThe loose effect caused by the expansion of spinel when the oxide of magnesia brick is directly reacted with the oxide of iron can also be used to make magnesia chromite brick with synthetic common sintered material. In addition, there are non burned magnesia chrome bricks, for example, non burned magnesia chrome bricks combined with inorganic magnesium salt solutions. The unfired magnesia chrome brick has the advantages of simple production process, low cost and good thermal stability, but the strength of the high temperature is far less than that of the burnt brick. In the late 50s, a so-called "direct bonding" magnesia chrome brick was developed. The characteristics of this brick raw material is pure, high firing temperature, periclase and spinel phase with high temperature directly, silicate and other low melting point phase for island distribution, therefore, significantly improve the high temperature strength and slag resistance of brick.

Q:With different capacitance magnesia brick brick: Hello, the magnesium chromium brick into common magnesia chrome brick, magnesia chrome bricks, half magnesia chrome brick, magnesia chrome brick, semi fused magnesia chrome brick, unburned magnesia chrome brick, magnesia chrome brick and magnesia chrome brick and directly combined with the distinction lies in 1: containing magnesia (raw material) the purity of 2: the sintering temperature of common magnesia chrome brick sintering temperature at 1550 DEG ~1600 DEG, direct the magnesium chromium brick sintering temperature is over 1700 DEG C, because of its more than 1700 DEG C, magnesia chrome brick, microstructure change and periclase chromium ore directly combined, so called direct bonded magnesia chrome brick. The performance of direct bonding magnesia chrome brick is better than that of common magnesia chrome brick

Q:Magnesia chrome brick: Magnesia chrome brick to Magnesium Oxide (MgO) and chromium oxide (Cr2O3) as the main ingredient, refractory periclase and spinel as main mineral components of products. The bricks have high refractoriness, high temperature strength, strong resistance to alkaline slag, good thermal stability, and certain adaptability to acid slag. The main raw materials for making magnesia chrome bricks are sintered magnesia and chromite. The purity of magnesia raw materials should be as high as possible, chrome iron ore chemical composition requirements: Cr2O3:30 - 45%, CaO = 1 ~ 1.5%.

Q:What are the environmental hazards of magnesia chrome refractory bricks?: Magnesia chrome brick with MgO and Cr2O3 as the main component of this kind of brick, high refractoriness, high strength, anti alkaline slag corrosion resistance, excellent thermal stability, has certain adaptability in industry wide application of now high temperature acid slag

Q:How many kinds of refractory bricks are there?: Dolomite brick: coating performance, good erosion resistance, but how many bricks f-CaO, yasumizu, it is difficult to transport and storage, production with less.

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