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    2、湖北烧¾l“砖生äñ”厂家介绍到烧¾l“不良的熟料中,二次莫来矛_Œ–不充分,在制品的烧成˜q‡ç¨‹ä¸­ï¼Œç†Ÿæ–™æœ¬èín的二‹Æ¡èŽ«æ¥çŸ³åŒ–仍在ç‘ô¾l­è¿›è¡Œï¼Œ˜q™æ˜¯é€ æˆåˆ¶å“æ”¶ç¾ƒä¸ä¸€è‡´çš„一个内在因素,å¯ÆD‡´äº†åˆ¶å“ç½‘状裂¾UҎ•°é‡çš„增多和开裂程度的加大ã€?br />     3、烧¾l“砖表面的网状开裂程度还与所采用熟料的吸水率有着密切关系。熟料的吸水率越大,¾|‘纹的开裂程度就­‘Šå¤§ã€‚当用吸水率辄¡š„熟料制砖æ—Óž¼Œåˆ¶å“åœ¨çƒ§æˆè¿‡½E‹ä¸­ç†Ÿæ–™æœ¬èín要ç‘ô¾l­å®Œæˆçƒ§¾l“过½E‹ï¼Œåˆ¶å“æ”¶ç¾ƒè¾ƒå¤§åQŒä¸”不均匀åQŒå› è€Œå®¹æ˜“出现开裂和¾|‘纹ã€?br />     4、外½H‘内烧成气氛也是烧结砖äñ”生网¾lœè£‚¾U¹çš„原因之一åQŒæœ‰˜q‡å‰©½Iºæ°”¾pÀL•°å¢žå¤§è€Œå‡ž®‘çš„­‘‹åŠ¿åQŒä½†æ˜¯ç©ºæ°”过剩系数æ‡L动不宜过大ã€?br /> 烧结砖的烧结是液相烧¾l“,液相的åŞ成温度和液相量、烧成时的升温速度和气氛条件是å¯ÆD‡´è¡¨é¢¾|‘络裂纹的重要因素ã€?br /> <p>     那么烧结é“ø™µ\砖焙烧工艺是什么呢åQŸæ¹–北烧¾l“砖生äñ”厂家告诉大家如下åQ?</p> <p> <img style="max-width:100%;" src="/uploads/image/20170428/20170428094545_8897.jpg" alt="" /> </p>     烧结é“ø™µ\砖焙烧是制砖工艺的关键环节,一般是ž®†ç„™çƒ§æ¸©åº¦æŽ§åˆ¶åœ¨900ï½?100℃之é—ß_¼Œä½¿ç –坯烧至部分熔融而烧¾l“。如果焙烧温度过高或旉™—´˜q‡é•¿åQŒåˆ™æ˜“äñ”生过火砖。过火砖的特点äؓ色深、敲å‡Õd£°è„†ã€å˜å½¢å¤§½{‰ã€‚如果焙烧温度过低或旉™—´ä¸èƒöåQŒåˆ™æ˜“äñ”生欠火砖。欠火砖的特点äؓ色浅、敲å‡Õd£°å“‘,强度低、吸水率大、耐久性差½{‰ã€‚当砖窑中焙烧时为氧化气氛,因生成三氧化铁而ä‹É砖呈¾U¢è‰²åQŒç§°ä¸ºçº¢ç –ã€?br />     若在氧化气氛中烧成后åQŒå†åœ¨è¿˜åŽŸæ°”氛中é—ïLª‘åQŒçº¢è‰²Fe2O3˜q˜åŽŸæˆé’灰色氧化亚铁åQŒç§°ä¸ºé’砖。青砖一般较¾U¢ç –致密、耐碱、耐久性好åQŒä½†ç”׃ºŽä»äh ¼é«˜ï¼Œç›®å‰ç”Ÿäñ”应用较少ã€?br />     此外åQŒæ¹–北烧¾l“砖生äñ”厂家告诉大家生äñ”中可ž®†ç…¤æ¸£ã€å«¼„³é‡é«˜çš„¾_‰ç…¤ç°ç­‰å·¥ä¸šåºŸæ–™æŽºå…¥åˆ¶å¯çš„土中制作内燃砖。当砖焙烧到一定温度时åQŒåºŸæ¸£ä¸­çš„碳也在òq²å¯ä½“内燃烧åQŒå› æ­¤å¯ä»¥èŠ‚省大量的燃料å’?%ï½?0%的粘土原料。内燃砖燃烧均匀åQŒè¡¨è§‚密度小åQŒå¯¼çƒ­ç³»æ•îC½ŽåQŒä¸”强度可提高约20%ã€?br /> <div> <br /> </div></p></div> <div class="newArtiNext"><div>下一æ?<a href="502.html">武汉陶土砖厂家向大家介绍陶土砖的性能及用é€?/a></div> </div> <div class="tag">相关标签åQ?a href='/key.aspx?k=%e7%83%a7%e7%bb%93%e7%a0%96'>烧结ç ?/a>,<a 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