CN104355612B - 一种铝合金铸造用升液管制造方法 - Google Patents

一种铝合金铸造用升液管制造方法 Download PDF

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CN104355612B
CN104355612B CN201410520642.4A CN201410520642A CN104355612B CN 104355612 B CN104355612 B CN 104355612B CN 201410520642 A CN201410520642 A CN 201410520642A CN 104355612 B CN104355612 B CN 104355612B
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徐涛
李鑫
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LIAONING YIFEI TECHNOLOGY Co Ltd
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    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint

Abstract

本发明提出的是一种铝合金铸造用升液管制造方法。经过原料制备、原料配料和升液管制造步骤，制成升液管。采用本发明方法制成的升液管具有耐高温，耐腐蚀，抗热震，不沾铝，不结渣，耐疲劳冲击，气密性好，使用寿命长的特点。适宜作为铝合金铸造的升液管使用。

Description

一种铝合金铸造用升液管制造方法
技术领域
本发明提出的是陶瓷领域的用品，具体地说是一种铝合金铸造用升液管制造方法。
背景技术
升液管是铝合金低压铸造机上的关键部件之一，工作时下端置于低压铸造机密闭盛铝熔液的保温炉中，温度650℃~800℃上端与其他部件连接低压铸造机模具腔，铝液通过压力作用沿升液管上升进入模具腔里，完成周期性铸造，实现自动化与连续化，要求升液管不仅要耐高温、抗热，要耐铝液腐蚀，不沾铝，不结渣及良好的气密性，而且要具有长期抗热冲击疲劳性。目前，国内升液管多采用钛酸铝与氧化硅结合碳化硅升液管，由于钛酸铝的微裂纹结构与高温易分解，而造成了其使用寿命短，不稳定等情况影响了生产效率，而氮化硅结合碳化硅升液管，高温下与铝液发生反应，易结渣，易污染铝液影响了铸造产品的质量。
发明内容
为了克服现有升液管存在的缺点，本发明提出了一种铝合金铸造用升液管制造方法。该方法经过原料制备、原料配料和升液管制造步骤制成升液管。解决升液管制造的技术问题。
本发明解决技术问题所采用的方案是：
升液管结构：在具有管壁的管体上部设有管腔，管腔的上部为出液口，在管体下部设有加粗部，在加粗部外侧设有旋柄部，在管体旋柄部的下侧管壁上设有插接部，管体插接部的内侧管腔内设有进液口。
升液管制造：
1、原料制备：
取质量百分比含量为98.5%的氧化镁与98.5%二氧化钛按1:1比例混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸镁。
取质量百分比含量为99.5%氧化铝粉和98.5%二氧化钛按1:1混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸铝。
2、原料配料：
在原料总量中，按质量份数，取3—6.5份钛酸铝，2—3.5份钛酸镁，另取0.2-—1份氧化铝、0.2-—1份二氧化硅和0.2-—1份氧化镁添加剂混合，作为原料。
3、升液管制造：
将经过配料的原料加水快速球磨制浆，然后喷雾干燥制粒，将所制得的料粒经过等压静压机压型，形成毛坯，将毛坯置入烧结窑中，在1400℃—1650℃温度条件下烧成，冷却取出后成为成品升液管。
积极效果，采用本发明方法制成的升液管具有耐高温，耐腐蚀，抗热震，不沾铝，不结渣，耐疲劳冲击，气密性好，使用寿命长的特点。适宜作为铝合金铸造的升液管使用。
附图说明
图1为本发明剖视结构图
图2为本发明俯视结构图
图中，1.管体，1.1.出液口，1.2.管壁，1.3.加粗部，1.4.旋柄部，1.5.插接部，1.6.进液口。
具体实施方式
升液管结构：据图所示,在具有管壁1.2的管体1上部设有管腔，管腔的上部为出液口1.1，在管体下部设有加粗部1.3，在加粗部外侧设有旋柄部1.4，在管体旋柄部的下侧管壁上设有插接部1.5，管体插接部的内侧管腔内设有进液口1.6。
升液管制造：
1、原料的制备：
取质量百分比含量为98.5%的氧化镁与98.5%二氧化钛按1:1比例混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸镁。
取质量百分比含量为99.5%氧化铝粉和98.5%二氧化钛按1:1混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸铝。
2、原料配料：
在原料总量中，按质量份数，取3—6.5份钛酸铝，2—3.5份钛酸镁，另取0.2-—1份氧化铝、0.2-—1份二氧化硅和0.2-—1份氧化镁添加剂混合，作为原料。
3、升液管制造：
将经过配料的原料加水快速球磨制浆，然后喷雾干燥制粒，将所制得的料粒经过等压静压机压型，形成毛坯，将毛坯置入烧结窑中，在1400℃—1650℃温度条件下烧成，冷却取出后成为成品升液管。
本发明的使用：
使用时，将升液管的插接部连通铝液保温炉的铝液内，然后向保温炉加压，铝液经由升压管上升到铝合金铸造模腔内，进行铝合金铸造。本发明升液管能够重复多次使用。

Claims (1)

1.一种铝合金铸造用升液管制造方法，其特征是：
升液管制造：
1）、原料的制备：取质量百分比含量为98.5%的氧化镁与98.5%二氧化钛按1:1比例混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸镁；
取质量百分比含量为99.5%氧化铝粉和98.5%二氧化钛按1:1混合，然后球磨6小时，采用固相反应法在1100℃，预烧合成为钛酸铝；
2）、原料配料：在原料总量中，按质量份数，取3—6.5份钛酸铝，2—3.5份钛酸镁，另取0.2-—1份氧化铝、0.2-—1份二氧化硅和0.2-—1份氧化镁添加剂混合，作为原料；
3）、升液管制造：将经过配料的原料加水快速球磨制浆，然后喷雾干燥制粒，将所制得的料粒经过等压静压机压型，形成毛坯，将毛坯置入烧结窑中，在1400℃—1650℃温度条件下烧成，冷却取出后成为成品升液管。
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CN105645956B (zh) * 2016-01-05 2018-08-07 淄博新峰耐火材料有限公司 铝合金铸造用氮化钛陶瓷升液管及其制备方法
CN106242535A (zh) * 2016-08-09 2016-12-21 上海华培动力科技有限公司 一种低压铸造和真空吸铸耐热合金升液管配方及其制备方法
CN110357617A (zh) * 2018-04-11 2019-10-22 淄博松阳锆业科技有限公司 一种新型耐磨耐腐蚀铸造陶瓷升液管及其生产工艺

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1943920A (zh) * 2006-10-20 2007-04-11 王丕轩 低压铸铝用升液管的制备方法
CN201201047Y (zh) * 2008-05-29 2009-03-04 汤长顺 压铸用升液管
CN101925557A (zh) * 2008-01-21 2010-12-22 住友化学株式会社 钛酸铝镁-氧化铝复合陶瓷

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1943920A (zh) * 2006-10-20 2007-04-11 王丕轩 低压铸铝用升液管的制备方法
CN101925557A (zh) * 2008-01-21 2010-12-22 住友化学株式会社 钛酸铝镁-氧化铝复合陶瓷
CN201201047Y (zh) * 2008-05-29 2009-03-04 汤长顺 压铸用升液管

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