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CN1100352A - 水下连续铸造双金属坯工艺 - Google Patents

水下连续铸造双金属坯工艺 Download PDF

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Publication number
CN1100352A
CN1100352A CN 93112172 CN93112172A CN1100352A CN 1100352 A CN1100352 A CN 1100352A CN 93112172 CN93112172 CN 93112172 CN 93112172 A CN93112172 A CN 93112172A CN 1100352 A CN1100352 A CN 1100352A
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China
Prior art keywords
holding furnace
crystallizer
furnace
technology
protector
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CN 93112172
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English (en)
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张永治
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YANTAI LOCK GENERAL FACTORY SHANDONG PROV
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YANTAI LOCK GENERAL FACTORY SHANDONG PROV
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Priority to CN 93112172 priority Critical patent/CN1100352A/zh
Publication of CN1100352A publication Critical patent/CN1100352A/zh
Pending legal-status Critical Current

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Abstract

一种水平连续铸造双金属坯工艺,是由保温炉 (1)、结晶器(2)、输入器(3)、保护器(4)、双用通心保 温炉(5)、结晶器(6)、牵引机(7)构成生产线,并使这 些设备处在同一轴线上;保温炉(1)与保温炉(5)温度 之差要大于120℃;牵引速度控制在1.5米/分以 下。用本工艺可以铸造出芯坯为高熔点如黑色金属 (铁、钢),外表为低熔点有光泽耐腐蚀的有色金属如 铜的双金属坯。这样大大节约昂贵的有色金属,降低 了生产成本。

Description

本发明涉及一种水平连续铸造双金属坯工艺,用于铸造芯坯表层为不同金属的铸造工业中。
现在冶金工业使用的水平连铸工艺,只能连续铸出单一金属元素坯,对某些特殊要求,如表面薄层为有色金属而内芯为黑色金属,则加工不出来。
本发明的目的是提供一种水平连续铸造双金属坯工艺,用本工艺可以连续铸造出芯坯表层为不同金属的坯料。
本发明的目的是这样实现的:
在由保温炉、结晶器、输入器、保护器、双用通心保温炉、牵引机组成的铸造线上,使这些设备处在同一轴线上;芯坯和表层金属之间的熔点之差>120℃,牵引机的速度要均匀,要用同一速度运行,并控制在1.5米/分以下。
用本发明提供的工艺,可以铸造出芯坯强度高、价格低,外表为耐腐蚀,有美丽光泽的有色金属的金属坯,从而节约大量有色金属,降低制成品造价。
下面通过附图进一步介绍本发明。
附图1为水平连续铸造双金属坯工艺设备配置示意图。
附图2为实施例断面图。
从附图中可以看到,这些设备都处在同一条轴线上。保温炉1是用来装芯坯金属熔液的,实际上是盛装黑色金属溶液,如钢、铁之熔液,因为它的强度高,而价格却比有色金属便宜得多。由于输入器3的牵引作用,通过结晶器2,就连续不断的铸出芯坯9,芯坯9再进入输入保护器4,再进入双用通心保温炉5。保温炉5里盛有低溶点的(相对芯坯金属而言)金属。芯坯9在经过这里时就在外表铸上了低熔点金属,然经结晶器6被牵引机引出,在芯坯9经过结晶器2.6保护器4时,要给保护器4和结晶器6.2通以冷却水和润滑油。
在铸造开始时,先把已做好的粗细不同的牵引杆8从结晶器6、保温炉5、保护器4穿过,再进入输入器3、结晶器2、然后进入保温炉1、以便引出芯坯9。在水平连铸生产上,也可以不设保温炉1,结晶器2输入器3而是单独铸出芯坯9。这时是芯坯先进入保护器4,然后再进入双用通心保温炉5,再从结晶器6出来。
在生产中,保温炉1与双用通心保温炉5之间的温度差控制在120℃以上,这是因为保温炉1盛装的是芯坯熔液为黑色金属,而双用通心保温炉5盛装的是表层金属熔液,为有色金属,因此前者比后者高,也就是芯坯金属熔液与表层金属熔液温度差大于120℃。牵引机7的牵引速度要均匀,不得一会儿快,一会儿慢,并控制在1.50米/分以下。在铸造中要给结晶器2.6保护器4通冷却水,润滑油。
实施例:芯坯为铸铁HT20-40,直径φ24,表层金属为铜H62,壁厚2。也就是铸出后双金属坯外径为φ28。保温炉1盛装铸铁,温度控制在1300~1360℃、保温炉5盛装铜,温度控制在1000~1100℃。牵引速度为1.2米/分以下。铸出的双金属园坯按面积算,铜占26.5%,铁占73.5%;按重量算,铜占31%,铁占69%。
同样可连续铸出断面为方形、椭圆形双金属坯。

Claims (1)

1、一种水平连续铸造双金属坯工艺,由保温炉(1)、结晶器(2)、输入器(3)、保护器(4)、双用通心保温炉(5)、结晶器(6)、牵引机(7)构成生产线,其特征为:
a.保温炉(1)、结晶器(2)、输入器(3)、保护器(4)、双用通心保温炉(5)、结晶器(6)、牵引机(7),处在同一轴线上;
b.芯坯金属熔液与表层金属熔液温度差大于120℃;
c.牵引机(7)按同一速度运行,速度均匀在1.5米/分以下。
CN 93112172 1993-09-18 1993-09-18 水下连续铸造双金属坯工艺 Pending CN1100352A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93112172 CN1100352A (zh) 1993-09-18 1993-09-18 水下连续铸造双金属坯工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93112172 CN1100352A (zh) 1993-09-18 1993-09-18 水下连续铸造双金属坯工艺

Publications (1)

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CN1100352A true CN1100352A (zh) 1995-03-22

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CN 93112172 Pending CN1100352A (zh) 1993-09-18 1993-09-18 水下连续铸造双金属坯工艺

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1067613C (zh) * 1998-11-03 2001-06-27 东北大学 铜包钢双金属复合材终形铸轧方法
CN104493113A (zh) * 2014-11-27 2015-04-08 北京科技大学 一种长碳纤维与金属复合连铸设备与工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1067613C (zh) * 1998-11-03 2001-06-27 东北大学 铜包钢双金属复合材终形铸轧方法
CN104493113A (zh) * 2014-11-27 2015-04-08 北京科技大学 一种长碳纤维与金属复合连铸设备与工艺
CN104493113B (zh) * 2014-11-27 2016-08-24 北京科技大学 一种长碳纤维与金属复合连铸设备与工艺

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