耐火材料行業(yè)知識
13
2012-05
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13
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
13
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
12
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
11
2012-05
? 電爐爐蓋內(nèi)襯是整個爐體最薄弱的環(huán)節(jié)之一,對該部位耐火材料的選擇尤其重要。前面已經(jīng)講過了電爐爐蓋的構(gòu)造,今天河南耐火材料廠專家對爐蓋使用耐火材料進(jìn)行介紹。長期以來,硅磚一直用作電爐爐蓋的耐火材料,主要是因?yàn)槠鋬r格低廉···
10
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
10
2012-05
st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4p···
09
2012-05
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09
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
08
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
08
2012-05
隨著新型耐火材料不斷的開發(fā)研制,耐火材料的質(zhì)量不斷提高,進(jìn)而使得玻璃工業(yè)在高溫強(qiáng)化熔融技術(shù)上取得了優(yōu)異的成績。??? 玻璃熔窯用耐火材料要經(jīng)受高溫、火焰、堿性飛料、玻璃液等的物理化學(xué)侵蝕作用,因此玻璃窯用耐火材料必須滿···
07
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
06
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
05
2012-05
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···
04
2012-05
v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} /* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyl···
03
2012-05
耐火磚作為一種特殊的耐火材料,其又分為異型耐火磚、粘土質(zhì)耐火磚、高鋁質(zhì)耐火磚等類型。那么異型耐火磚都是有哪些分類呢?據(jù)悉,異型耐火磚主要分為下面三類:?? 1、粘土、高鋁質(zhì)異型耐火磚。凡外形尺寸的比例在1:6范圍以內(nèi),并具···
29
2012-04
??? 粘土質(zhì)耐火磚的性質(zhì)在較大范圍內(nèi)波動,這是由于耐火磚的化學(xué)組成的波動范圍很大(Al203含量在30%~46%之間波動)以及生產(chǎn)工藝的差別所致。??? 據(jù)河南耐火材料廠專家介紹,粘土質(zhì)耐火磚的耐火度波動于1580~1770℃,它主要取···
29
2012-04
??? 粘土耐火磚按用途劃分,主要分為高爐用粘土耐火磚,熱風(fēng)爐用粘土耐火磚,玻璃窯用大型粘土耐火磚。下面,由河南鄭州鐙達(dá)耐火材料廠的專家具體介紹。1.高爐用粘土耐火磚??? 高爐用粘土耐火磚是以耐火粘土為原料生產(chǎn)的用來砌筑···
28
2012-04
??? 耐火磚有哪些分類?據(jù)鄭州鐙達(dá)耐火材料廠專家介紹,一般按現(xiàn)行國家標(biāo)準(zhǔn)(GB 10324-88)規(guī)定,耐火磚的類型分類分為標(biāo)型、普型、異型、特型耐火磚等幾種:??? (1)標(biāo)型耐火磚。通常把外形尺寸為230mm×114mm×65mm的直形磚稱為標(biāo)···
28
2012-04
??? 高鋁質(zhì)耐火磚的重要工作性質(zhì)之一是在高溫下的結(jié)構(gòu)強(qiáng)度,這一特性通常用荷重軟化變形溫度來評定。近年來也測定其高溫蠕變性來反映其高溫結(jié)構(gòu)強(qiáng)度。試驗(yàn)結(jié)果表明,荷重軟化溫度隨Al2O3。含量的增加而提高。??? Al203含量在70%···