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鋰輝石粉介紹

鋰輝石屬單斜晶系，晶體常呈柱狀，粒狀或板狀。顏色呈灰白、灰綠、紫色或黃色等，硬度6.5-7，密度3.03-3.22g/cm3。作為鋰化學(xué)制品原料，廣泛應(yīng)用于鋰化工、玻璃、陶瓷行業(yè)，享有"工業(yè)味精"的美譽(yù)。

Introduction to Li Huishi

Spodumene is monoclinic crystal shape, often Chengzhu, granular or plate. The color is gray, gray green, purple or yellow, with a hardness of 6.5-7 and a density of 3.03-3.22g/cm3. As a material of lithium chemical products, it is widely used in the industry of lithium chemical industry, glass and ceramics, and enjoys the reputation of "industrial monosodium glutamate".

鋰輝石粉理化指標(biāo)

鋰輝石粉用途

一、陶瓷工業(yè)：在陶瓷坯體中加入鋰輝石，可提高陶瓷制品的強(qiáng)度、密度、耐酸性及耐熱急變性能，可降低產(chǎn)品吸水率和線收縮率。在釉料和熔塊中加入適量的鋰輝石，能降低產(chǎn)品的熱膨脹系數(shù)，提高釉料的高溫流動(dòng)性、降低粘度，提高釉面白度、光澤度、硬度、以及耐腐蝕性，提高產(chǎn)品檔次，同時(shí)使產(chǎn)品具有成品美觀、經(jīng)久耐用、廢品率低等特點(diǎn)。

Use of spodumene

A ceramic industry: adding spodumene in ceramic, ceramic products can improve the strength, density, acid resistance and thermal shock resistance performance, the products can be reduced water absorption rate and linear shrinkage. Adding amount of spodumene in glazes and frits, can reduce the thermal expansion coefficient of the products, improve the high-temperature glaze fluidity, reduce viscosity, improve the whiteness of glaze, gloss, hardness, and corrosion resistance, improve product quality, and the product has finished appearance, durable, low scrap rate.

鋰輝石在陶瓷業(yè)具體用途：

在釉料(或熔塊)配方中加入2～12%鋰輝石，替代長(zhǎng)石等相應(yīng)原料，可起到如下作用：

1、降低燒成溫度(助熔作用)，節(jié)約能源，延長(zhǎng)爐齡;

2、降低熔體粘度，提高高溫流動(dòng)性和�；潭龋岣呖刮廴灸芰�，增強(qiáng)釉面強(qiáng)度和光滑平整度;

3、降低熱膨脹系數(shù)，克服釉面裂紋，提高熱穩(wěn)定性;

4、提高白度，增強(qiáng)光澤度;

5提高化學(xué)穩(wěn)定性和耐酸性

The specific use of spodumene in the ceramic industry:

In glaze (or frit) adding 2 ~ 12% spodumene formulation, replace feldspar raw materials, can play the role as follows:

1, reduce the sintering temperature (fluxing action), saving energy and prolonging the life of;

The 2, reduce the viscosity of the melt, high fluidity and devitrification degree, improve the anti pollution ability, enhance the strength and smoothness of smooth glaze;

3, reduce the thermal expansion coefficient, overcome the glaze crack and improve the thermal stability.

4. Improve whiteness and enhance glossiness.

5 the improvement of chemical stability and acid resistance

二、冶金工業(yè)：在冶金鑄造砂中加入鋰輝石，能夠消除鑄件的脈紋缺陷，減少或消除鑄件熱膨脹缺陷、氣體缺陷，并起到抗粘砂作用;在連鑄保護(hù)渣中加入鋰輝石后，能夠降低保護(hù)渣的熔融溫度，降低高溫粘度，優(yōu)化潤(rùn)滑條件，能抑制鑄件在高溫下的氧化、碳化，并且能夠?qū)崿F(xiàn)企業(yè)無(wú)氟綠色生產(chǎn);在鑄造涂料中加入鋰輝石，能增強(qiáng)鑄造涂料的懸浮穩(wěn)定性，提高涂層的透氣性，可制得表面質(zhì)量?jī)?yōu)于進(jìn)口鑄件的高品質(zhì)產(chǎn)品。

Two: in the metallurgical industry, metallurgical casting sand adding spodumene, can eliminate the veining defects of castings, reduce or eliminate casting defects, thermal expansion of gas defects, and play a role of anti sticking sand; adding spodumene in mold fluxes, can reduce the melting temperature of slag protection, reduce the high temperature viscosity, optimization the lubrication conditions, oxidation and carbonization can inhibit casting at high temperature, and can achieve the enterprise green fluorine free production; adding spodumene in Foundry coatings, can improve the suspension stability of casting coating, improve the permeability of coating can be prepared, the surface quality of castings is better than imported high-quality products.

三、耐火工業(yè)：在耐火材料中加入鋰輝石后，能降低制品的燒結(jié)溫度，因而是耐火材料行業(yè)燒結(jié)礦化劑;能提高耐火材料的機(jī)械強(qiáng)度、熱震穩(wěn)定性和體積穩(wěn)定性;可增強(qiáng)耐火材料的高溫耐蝕性，延長(zhǎng)耐材的使用壽命;廣泛應(yīng)用于莫來石、堇青石質(zhì)棚板、坩堝、匣缽、耐熱板等中溫耐火材料以及耐火澆注料、可塑料、修補(bǔ)料、噴涂料、粘結(jié)料、涂刷料等不定形耐火材料。

Three, refractory industry: adding spodumene in refractory material, can reduce the sintering temperature of the product, which is a refractory material industry preferred sintering mineralizer; can improve the mechanical strength of refractory material, thermal shock resistance and volume stability; can enhance the corrosion resistance of refractories, prolong the service life of the refractory; widely used in mullite, cordierite sagger, roof plate, crucible, heat plate temperature and refractory castable, plastics, repairing material, coating, binder, coating materials such as unshaped refractory materials.

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