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【燒結(jié)鋁鎂尖晶石粉】200目價格320目生產(chǎn)廠家_燒結(jié)鋁鎂尖晶石熟料圖片

	價格：元(人民幣)	產(chǎn)地：河南
	最少起訂量：1噸	發(fā)貨地：鄭州
	上架時間：2020-02-13 11:06:42	瀏覽量：99
	鄭州市金石耐材有限公司
	經(jīng)營模式：生產(chǎn)加工	公司類型：私營獨資企業(yè)
	所屬行業(yè)：保溫材料	主要客戶：耐火材料，地坪砂漿混凝土
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聯(lián)系人:李會超 (先生)	手機:13592485917
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郵箱:27062972@qq.com	地址:河南鄭州鞏義市光明路

詳細介紹

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尖晶石簡介：
尖晶石是自然界中少有的一種礦物質(zhì)，必須靠人工合成才能制的。工業(yè)上應(yīng)用的鋁鎂尖晶石全部都是人工合成的。合成鋁鎂尖晶石的兩個主要方法是燒結(jié)法和電熔法。多數(shù)尖晶石材料是由高純合成氧化鋁和化學(xué)級氧化鎂制成，即在豎窯燒結(jié)和在電弧爐內(nèi)電熔。鋁鎂尖晶石屬于一種鋁鎂氧化物，其主要成分為氧化鋁和氧化鎂。鋁鎂尖晶石有天然形成和人工合成兩種，其化學(xué)式為MgAL2O4或者MgoAL2O3。尖晶石理論含量為：MgO=28.3%M,AL2O3=71.7%。
Brief introduction of spinel:
Spinel is one of the rare minerals in nature, which must be made by artificial synthesis. All the aluminum magnesium spinel used in industry is synthetic. The two main methods for the synthesis of Al Mg spinel are the sintering method and the electrofusion method. Most spinel material is made from high purity alumina and chemical synthesis of Magnesium Oxide, which in shaft kiln sintering and electric melting in arc furnace. Al Mg spinel belongs to a kind of aluminum and magnesium oxide, its main components are alumina and Magnesium Oxide. Al Mg spinel has two kinds of natural formation and artificial synthesis, the chemical formula is MgAL2O4 or MgoAL2O3. The theoretical content of spinel is: MgO=28.3%M, AL2O3=71.7%.

鋁鎂尖晶石特性：
鋁鎂尖晶石具有外觀色澤好，礦物相含量高，晶粒良好，質(zhì)地致密，結(jié)構(gòu)均勻，耐高溫、體密大，質(zhì)量穩(wěn)定，吸水率低、抗侵蝕、抗腐蝕、抗磨蝕能力強，抗剝落能力強，抗渣性強，熱穩(wěn)定性好，熱膨脹系數(shù)小等特點。
Properties of Al Mg spinel:
Aluminum magnesium spinel has the appearance of good color, mineral content is high, good grain, dense texture, uniform structure, high temperature, dense, stable quality, low water absorption rate, erosion resistance, corrosion resistance, abrasion resistance, anti stripping ability, high slag resistance, good thermal stability, thermal expansion coefficient the characteristics of small。
燒結(jié)鋁鎂尖晶石生產(chǎn)工藝：
燒結(jié)鋁鎂尖晶石是采用AL2O3≥76%以上的優(yōu)質(zhì)鋁礬土與MgO≥95%活性氧化鎂，經(jīng)過多級均化工藝，在超高溫隧道窯中經(jīng)1800℃以上高溫燒結(jié)而成。該工藝是一個連續(xù)的陶瓷化過程，控制窯中給料速度和均衡的溫度分布，產(chǎn)生非常均勻的晶體尺寸為30-80μm及低氣孔率（3%）的產(chǎn)品。
The production process of sintered Al Mg spinel:
Sintering aluminum magnesium spinel is the use of AL2O3 is more than or equal to more than 76% high quality bauxite and MgO more than 95% active Magnesium Oxide, through the multi-stage homogenization process, after sintering in high temperature above 1800 DEG in ultra high temperature tunnel kiln and. This process is a continuous process of ceramic kiln, control the feeding speed and the equilibrium temperature distribution, have very uniform crystal size of 30-80 m and low porosity (3%) products.

燒結(jié)鋁鎂尖晶石用途：
燒結(jié)鋁鎂尖晶石是生產(chǎn)水泥回轉(zhuǎn)窯高溫帶用鎂鋁尖晶石磚、鋼包襯磚、鋼包澆注料等耐火產(chǎn)品的理想原料。用于水泥回轉(zhuǎn)窯，不但避免了鉻公害，而且具有良好的抗剝落性。燒結(jié)鋁鎂尖晶石用于制作鋼包澆注料，大大提高鋼板襯的抗侵蝕能力，使燒結(jié)鋁鎂尖晶石廣泛應(yīng)用于煉鋼用耐火材料。優(yōu)質(zhì)預(yù)合成尖晶石的制取為不定形及定形高純耐火材料的生產(chǎn)提供了新的原料。
Use of sintered Al Mg spinel:

Sintered aluminum magnesium spinel is the production of cement rotary kiln with magnesia spinel brick, ladle brick, ladle castable refractory products such as ideal raw material. Used in cement rotary kiln, not only the chromium pollution is avoided, but also it has good resistance to exfoliation. Sintered Al Mg spinel is used for making ladle castables, greatly improving the corrosion resistance of steel liners, and making sintered Al Mg spinel widely used in refractories for steelmaking. The preparation of high quality pre synthesized spinel provides a new raw material for the production of amorphous and fixed high purity refractories.

燒結(jié)鋁鎂尖晶石理化指標：

項目	Al2O3	MgO	SiO2	Fe2O3	體密	耐火度	氣孔率	尖晶石	硅酸鹽
指標	60-62%	28-32%	≤4.5%	≤2%	3g/cm3	≥1850℃	<9.0%	85-90%	10%

電熔鋁鎂尖晶石生產(chǎn)工藝：
電熔鋁鎂尖晶石是使用純度≥96%的高純輕燒活性氧化鎂粉和純度≥98.5%優(yōu)質(zhì)工業(yè)氧化鋁粉在大型電弧爐內(nèi)經(jīng)高溫熔煉精制而成。是生產(chǎn)高強度，高性能，熱穩(wěn)定性好的高級耐火制品的一種優(yōu)質(zhì)高檔耐火原料。也是冶金、建材行業(yè)理想的原料。
電熔鋁鎂尖晶石用途：
鋁鎂尖晶石被廣泛應(yīng)用于煉鋼電爐頂、制造高性能的澆注料，連珠滑板，滑動水口，鋼包襯磚和平爐爐頂磚等。鋁鎂尖晶石制品的高溫力學(xué)性能良好，也是大型水泥窯，中型水泥回轉(zhuǎn)窯過度帶襯磚，耐火澆注料及高中溫窯具的基本原料。鋁鎂尖晶石用于耐火材料、鋼鐵冶煉、水泥回轉(zhuǎn)爐及玻璃工業(yè)窯爐。
The production process of electrofusion Al Mg spinel:
Fused magnesia alumina spinel is used with purity more than 96% high purity calcined active magnesium oxide and purity of more than 98.5% high-quality industrial aluminum oxide powder in a large arc furnace with high temperature smelting refined. It is a high quality refractory material with high strength, high performance and good thermal stability. It is also the ideal material for metallurgical and building materials industry.
Use of electrofusion Al Mg spinel:

Aluminum magnesium spinel is widely used in the electric furnace top, the fabrication of high performance castable, or slide, slide gate, ladle brick peace furnace brick. Aluminum magnesium spinel products have good mechanical properties at high temperature. They are also the basic raw materials for large cement kiln, medium cement rotary kiln, lining bricks, refractory castables and high temperature kiln furniture. Al Mg spinel is used for refractories, iron and steel smelting, cement rotary furnace and glass industry kiln.

電熔鋁鎂尖晶石理化指標：

規(guī)格性能		MA-70		MA-75
		砂	粉	砂	粉
		＞0.1mm	≤0.1mm	＞0.1mm	≤0.1mm
化學(xué)成份	Al2O3%≥	67-75	67-75	74-78	74-78
	SiO2%≤	0.4	0.4	0.6	0.6
	Fe2O3%≤	0.5	0.5	0.25	0.3
	MgO%≤	23-31	23-31	21-25	21-25
	CaO%≤	0.65	0.65	0.4	0.4
物理性能	磁性物%≤	0.05	0.1	0.05	0.1
	顯氣孔率%≤	5		3
	體積密度g/cm3≥	3.3		3.3

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