CN87102555A - 板材和型材轧机的润滑剂系统 - Google Patents
板材和型材轧机的润滑剂系统 Download PDFInfo
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- CN87102555A CN87102555A CN198787102555A CN87102555A CN87102555A CN 87102555 A CN87102555 A CN 87102555A CN 198787102555 A CN198787102555 A CN 198787102555A CN 87102555 A CN87102555 A CN 87102555A CN 87102555 A CN87102555 A CN 87102555A
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Abstract
本发明所述的用于板材和型材轧机的润滑剂系统含有一种固体润滑剂,一种胶粘组分和/或一种增稠剂,以及作为载体介质的水。这种润滑剂系统作为悬浮液喷射到轧机机座中的工作辊上,这时水至少部分汽化,并在工作辊上形成一层粘牢的、防水的、润滑和分离的薄层。
Description
本发明涉及一种用于板材和型材轧机的润滑剂系统。
从CH-PS 596294和609728公开的含有石墨、烷撑聚合物或共聚物、薄膜稳定剂和悬浮液助剂的润滑剂,用于在制造无缝钢管时润滑轧机辊芯。润滑剂以水质悬浮液形状喷射到热的辊芯上,这时水蒸发而留下一层润滑薄膜,在润滑薄膜中石墨粒子在烷撑聚合物中分布均匀。如果在轧机机座中的辊芯导入管坯,烷撑聚合物的熔化则形成一层流体动力学的润滑薄膜,在轧制时烷撑聚合物烧熔,产生的气体能够分离。所留下的石墨可以瞬时和局部地承受尖峰负荷,并且通常可当作干的润滑剂。
对所述的润滑剂专门转用作板材和型材轧制方法所做的试验出现了缺点。由于对润滑剂悬浮液的涂覆、载体介质的汽化以及形成厚度均匀的防水的润滑层都需要较长的时间,因此这些公开的润滑剂不能够再满足了。
本发明的任务是提供一种润滑剂系统。这种润滑剂系统能简单地被使用,并留下一层薄膜形状的润滑剂,保证了板材和型材与一台轧机的轧辊之间的正常润滑。
按照本发明采用一种润滑剂系统可以达到这点,所述的润滑剂系统含有一种由一系列固体润滑剂组成的润滑组份(a)和至少是组份(b)和(c)其中之一种组份,组份(b)是指一种由一系列有机的不溶于水的胶粘物质组成的胶粘组份,胶粘组份在温度至300℃时分解并有一个从20~180℃的软化点,组份(c)是指一种由一系列藻朊酸盐、纤维素、淀粉、树胶、粘土单一或互相混合组成的用于水质悬浮液的增稠剂,以及含有一种液体形状的作为载体介质的组份(d)。
这种润滑剂系统装入板材和型材轧机,这时板坯例如从一台在高温状态下的冲击炉中出来通常进行机械的去氧化皮。接着板坯例如直接进入一个通常带有6~7个轧机机座的连续的精轧道次。轧好的板材或型材然后冷却并卷绕。
一个轧机机座基本上由两个对置的工作辊组成。这样板材或型材可通过辊间间隙输送。当板坯进入第一个轧机机座并由此成型的板材或型材在第三机座的温度约为1000℃时,板坯的温度约为1200℃。因此,轧辊必须用大量的水冷却。
本发明的目的是合适地采用一种润滑剂系统,这种润滑剂系统含组份(a)25~95%(重量)以及组份(b)和(c)5~75%(重量),并同(d)组成一种在(d)中含有(a)、(b)和(c)含量为5~30%(重量)的悬浮液。
组份(a)的物质属于固体润滑剂,适当地按以下顺序为石墨、二硫化钼、二氟化钙和氮化硼。所述的混合物在必要时也可使用。优先使用粒度小于100微米的合成石墨。
组份(b)的物质由一系列有机的不溶于水的、必要时可用水溶涨的胶粘剂组成,胶粘剂在温度达到300℃时分解,并有一个温度为20~180℃的软化点。
组成这一系列的是适当由一系列软化点为105~145℃的氧杂茚树脂组成的烃树脂、在其基本分子中带4~10碳原子的脂肪族和/或芳香族石油树脂混合物、萜烯树脂、松香衍生物、聚异丁烯、平均的分子重量为6000~9000的聚酰胺树脂以及上述混合物。
烃树脂中胶粘的组份例如是热塑性的、由芳香族石油分馏物制成的树脂。
分子重量为6000~9000的并具有胶粘特性的聚酰胺树脂属于活性聚酰胺树脂。
此外,松香以及聚合松香的衍生物或松香的改性酯可以算作组份(b)。
所述的化合物的混合物必要时也可作使用。
在本发明的范围内胶粘组份(b)系列中也要例举沥青,如脆沥青和硬沥青。但是不能达到所有的优点,特别是缺少传递效果。
优点是,组份(b)也可以是一个所述的石蜡或黄蜡的化合物中至少是其中之一种化合物的混合物。但是石蜡或黄蜡不应超过树脂总量的50%(重量)。
组份(c)包括一系列增稠剂,如用于制造水质悬浮液。这可使用藻朊酸盐、纤维素如烷基和羟烷基纤维素、羧甲基纤维素、羟乙基纤维素和羟丙基纤维素、树胶如瓜耳胶、琼脂胶、阿拉伯树胶、茄替胶、刺梧桐树胶、黄蓍胶、角豆树与约翰内斯面包树胶(Karoben-Johannisbrot-Gummi)、罗望胶和苍耳烷胶、果胶、聚丙烯酰胺、聚丙烯酸和它们的同系物、聚乙二醇、聚氧乙烯、聚乙烯醇、聚乙酸乙烯酯、聚乙烯吡咯烷酮、淀粉及其改性物、浆糊如淀粉浆糊和纤维素浆糊、角叉菜、多糖类、水玻璃、粘土特别是高粘滞的粘土、蒙脱土、膨润土、高岭土、改性蒙脱土、水辉土、活性白土和所述物质类的衍生物、以及所述物质相互混合的混合物,其中作为无机物的粘土总计不应超过所述组份(c)的20%(重量)。
润滑剂系统的其他合适的成份含有组份(a)的30~90%(重量),优先的是40~90%(重量)。
组份(b)和(c)应达到所有三个组份(a)、(b)和(c)的5~75%(重量),并可由组份(b)0~75%(重量)和组份(c)0~75%(重量)组成。
优先的组合物含有组份(a)25~95%(重量)和组份(b)5~75%(重量)。
这种润滑剂系统的特征是干燥润滑剂很快并可靠地粘附在轧辊表面。
其他优先的组合物含有组份(a)25~95%(重量)和组份(c)5~75%(重量)。用较高组份的增稠剂可以得到一种稳定的水质悬浮液,并且当载体介质蒸发后也可观察到一个良好的层构成和干燥润滑剂对轧辊表面的粘附。
最好的效果是采用一个含组份(a)40~95%(重量)和组份(c)5~60%(重量)的系统。
组份(d)表达为所述组份的载体介质。可优先使用水作为载体介质。水在润滑剂系统的加工温度和使用温度下容易挥发,而不留下或不发生有害的废气或分解产物。
一种载体介质必须将各种组份带入一个可加工的、也就是说可以用涂覆的和优先可以用喷射的形式。利用载体介质可生产一种均质悬浮液。既使当悬浮液输送到加工部位时并且在雾化后,也要通过按本发明的组合物来提供均质性。就是在雾化喷射时并最迟当在轧辊触及润滑剂系统时,载体介质至少部分汽化,这时剩余的组份如同以前一样均质分布。组成一层粘牢的接着组成防水的薄膜。只要轧辊同板材或型材接触,有机组份就开始焚烧并产生一分离气垫。只要还有有机组份,就要粘牢石墨微粒,并且能够均匀发挥它们的润滑作用。此外,石墨也可当所有有机组份焚烧后完全保持它的润滑性能。
润滑剂系统添加直至5%(重量)的水玻璃是有好处的。水玻璃一方面在高温下具有润滑作用,另一方面润滑剂产生一薄膜生成物。
为了防止细菌侵蚀(尤其当含有淀粉或浆糊时),在润滑剂中掺合一种杀菌剂或生物杀伤剂,其量以0.1~3%(重量)为宜。
悬浮液助剂和表面活性剂对悬浮液稳定性来说也不是绝对必要的,有时并不需要。悬浮液的稳定性首先对粘性可借助增稠剂来达到。
由此可以看出,流体动力学的润滑薄膜正如在已有技术水平(例如CH-PS596294中所述的)在目前使用时还不能形成,因为润滑剂在轧机表面直到在板材或型材加工中的逗留时间太短了。现在已找到方法,即在板材轧制时可使用按本发明的润滑剂来满足润滑和分离的特殊需要。
另外确定了按照本发明采用润滑剂系统所具有的一种传递效果。采用一种按本发明的润滑剂来润滑机座及后置的机座,也可大量节省能量并减少磨损。这一点并不是对后置机座的润滑而言。
按照本发明的润滑剂可以这种形式生产,即预先混合不含载体介质的各种组份。这些组份一般是干燥的粉化形状,这样可以预先确定粉末粒度,并且根据需要进行选择和加以混合。干燥的粉末混合物也容易包装和输送。在轧机范围内干燥的润滑剂粉末和载体介质(通常是水)在合适的混合器中混合并溶解形成一种稳定的均质的悬浮液以用作所需的润滑剂系统。这种悬浮液长时间保持稳定,然后优先通过喷雾嘴(压力为20~150巴,每个喷雾嘴的流量为0.5~5升/分)喷射到轧辊上。
实施例1
通过对
35%(重量)的石墨(粒度小于100微米)
40%(重量)的磨成粉的烃树脂,软化点为100℃
10%(重量)的淀粉浆糊
5%(重量)的羧甲基纤维素
10%(重量)的膨润土
进行干燥的预混合,生产出一种固体润滑剂,这种固体润滑剂在一个强混合器中同水悬浮制成含10%(重量)固体的悬浮液用于固体润滑剂系统。
悬浮液以60巴压力通过8个喷嘴(每个喷嘴为1.2升/分)喷射到一台板材轧机内的一个精轧道次的第一机座的两个工作辊的整个轧辊宽度上。
轧好的板材具有明显改善的质量,这种质量可通过改善的粗糙度(即最佳的表面质量)来显示。
此外,显著的特点是轧机机座的能量消耗平均降低了15%,轧制损耗减少35%。另外可确定一种传递效果,以使第二机座还可降低10%的能量消耗和减少8%的轧制损耗,以及第三机座一直可降低8%的能量消耗。
实施例2
按实施例1中所述,再生产一种在一种水质悬浮液中含10%(重量)固体的固体润滑剂系统,这样固体润滑剂含有
88%(重量)的石墨(粒度小于100微米)
1%(重量)的水玻璃和
11%(重量)的烷基纤维素。
这种悬浮液通过每个流量为0.7升/分的8个喷嘴和在第一机座的工辊上的喷嘴喷射。所得结果见下表:
能量消耗降低 损耗减少
机座1 10% 25%
机座2 8% 5%
机座3 6%
实施例3
下表中的固体润滑剂系统各作为水质悬浮液含5%(重量)的固体进行生产。
固体润滑剂 胶粘组份 增稠剂 其他
(a)34%石墨 59%磨成粉的烃 4%水玻璃 1%生物杀
小于100微米 树脂,软化点为 2%多糖类 伤剂
100℃
(b)31%石墨 20%淀粉浆糊 17%膨润土 2%生物杀
小于100微米 16%磨成粉的 12%羧甲基 伤剂
烃树脂,软化 纤维素
点为100℃ 2%水玻璃
(c)40%石墨 39%磨成粉的 8%膨润土 1%生物杀
小于100微米 烃树脂,软化 1%水玻璃 伤剂
点为100℃ 1%羧甲基
10%淀粉浆糊 纤维素
当在板材轧机的轧机第一机座中使用时,所得的有关能量消耗和轧制损耗的结果可参照实施例1和2的结果。
有关润滑剂成份的其他实施例见下表
物质/混合物编号 1 2 3 4 5 6 7 8
[石墨 %(重量) 25 25 95 95 60 35 50 50
a)[二硫化钼 .. .. .. .. .. .. .. ..
[二氟化钙 .. .. .. .. .. .. .. ..
[氟杂茚树脂 50 .. .. .. .. .. .. ..
[石油树脂 .. .. .. .. .. .. .. ..
[萜烯 .. .. .. .. .. .. 35 35
[松香 .. .. .. .. .. .. .. ..
b)[聚异丁烯 .. .. .. .. .. .. .. ..
[ MG 6000
[聚酰胺 MG 9000至 .. .. .. .. 5 .. .. ..
[
[沥青 .. .. .. .. .. 10 .. ..
[藻朊酸盐 .. .. .. .. 30 .. .. ..
[纤维素醚 .. 75 .. 5 .. .. 10 10
[羧甲基纤维素 .. .. .. .. .. 5 .. ..
[树胶 .. .. 5 .. .. .. .. ..
[聚丙烯酰胺 .. .. .. .. .. .. .. ..
[聚丙烯酸 .. .. .. .. .. .. .. ..
[聚乙二醇 .. .. .. .. .. .. .. ..
c)[聚氧化乙烯 .. .. .. .. .. .. .. ..
[聚乙烯醇 .. .. .. .. .. .. .. ..
[聚乙酸乙烯酯 .. .. .. .. .. .. .. ..
[聚乙烯吡咯烷酮 .. .. .. .. .. .. .. ..
[淀粉 15 .. .. .. .. .. 5 5
[浆糊 10 .. .. .. 5 35 .. ..
[多糖类 .. .. .. .. .. .. .. ..
[水玻璃 .. .. .. .. .. .. .. ..
[膨润土 .. .. .. .. .. 15 .. ..
所有参数为%(重量)
9 10 11 12 13 14 15 16 17 18 19 20 21
60 .. .. .. .. 65 .. 20 20 25 25 25 75
.. 35 25 25 .. .. .. .. 5 .. .. .. ..
.. .. .. .. 25 25 35 5 .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. 30 35 .. .. .. 35 .. .. .. 20 .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. 60 .. .. .. .. ..
20 .. .. .. .. .. .. .. .. 30 .. .. ..
.. .. .. .. 60 .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. 5 75 ..
.. .. .. .. .. .. .. 10 .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. 35 .. 75 10 .. .. .. .. .. .. .. ..
.. .. .. .. .. 10 .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. 75 .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. 35 .. .. 20
20 .. .. .. 5 .. .. .. .. .. .. .. ..
.. .. .. .. .. .. 30 .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. 40 .. 5
.. .. .. .. .. .. .. 5 .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
22 23 24 25 26 27 28 29 30 31 32 33 34
25 25 25 70 25 65 25 75 25 25 25 60 60
.. 10 .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. 20 .. .. .. .. .. .. .. 25 25
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
5 .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. 10 .. 20 .. .. .. 13 10
.. .. .. .. .. .. .. .. .. .. .. .. ..
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.. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. ..
.. 5 75 .. .. .. .. .. .. .. .. .. ..
.. .. .. 5 75 .. .. .. .. .. .. .. ..
.. .. .. .. .. 5 75 .. .. .. .. .. ..
.. .. .. .. .. 20 .. 5 75 .. .. .. ..
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.. .. .. .. .. .. .. .. .. 75 .. .. ..
.. .. .. .. .. .. .. .. .. .. 75 .. ..
70 60 .. .. .. .. .. .. .. .. .. .. ..
.. .. .. 5 .. .. .. .. .. .. .. 2 5
.. .. .. .. .. .. .. .. .. .. .. .. ..
35 36 37 38
25,25 35 60
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60 .. .. ..
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.. .. 30 ..
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5 75 23 ..
.. .. .. 1
.. .. 2 ..
Claims (7)
1、一种用于板材和型材轧机的润滑剂系统,其特征在于所述的润滑剂系统含有一种由一系列固体润滑材料组成的润滑组份(a)25~95%(重量)以及组份(b)和(c)其中之一种组份5~75%(重量),其中:
组份(b)是指一种由一系列有机的不溶于水的胶粘物质组成的胶粘组份,胶粘组份在温度至300℃时分解并有一个从20~180℃的软化点;
组份(c)是指一种由一系列藻朊酸盐、纤维素、淀粉、树胶、粘土单一或互相混合组成的用于水质悬浮液的增稠剂;以及
含有一种液体形状的作为载体介质的组份(d),这样组份(d)组成一种在(d)中含(a)、(b)和(c)5~30%(重量)的悬浮液。
2、根据权利要求1所述的润滑剂系统,其特征在于所述的润滑剂系统含有组份(a)30~90%(重量),优先选用40~90%(重量)。
3、根据权利要求1和2所述的润滑剂系统,其特征在于所述的润滑剂系统含有组份(a)25~95%(重量)和组份(b)5~75%(重量)。
4、根据权利要求1和2所述的润滑剂系统,其特征在于所述的润滑剂系统含有组份(a)25~95%(重量)和组份(c)5~75%(重量)。
5、根据权利要求1和2所述的润滑剂系统,其特征在于所述的润滑剂系统含有组份(a)40~95%(重量)和组份(c)6~60%(重量)。
6、根据权利要求1至5所述的润滑剂系统,其特征在于组份(a)包括石墨、二硫化钼、二氟化钙和氮化硼,组分(b)包括由一系列氧杂茚树脂组成的烃树脂、在基本分子中带4~10碳原子的脂肪族和/或芳香族石油树脂混合物、萜烯树脂、松香衍生物、聚异丁烯、平均的分子重量为6000~9000的聚酰胺树脂和上述混合物,以及所述黄蜡和石蜡物质的混合物(黄蜡和石蜡不超过树脂总量的50%(重量)),组份(c)包括藻朊酸盐、纤维素醚、树胶、果胶、聚丙烯酰胺、聚丙烯酸、聚乙二醇、聚氧化乙烯、聚乙烯醇、聚乙酸乙烯酯、聚乙烯吡咯烷酮、淀粉、浆糊、多糖类、水玻璃、粘土及其混合物(粘土作为无机物不超过所述组份(c)的15%(重量),以及组份(d)作为载体介质包括水。
7、一种采用根据权利要求1至6所述的润滑剂系统在板材或型材轧机中生产板材和型材时轧机润滑的方法,其特征在于用含有5~30%(重量)的组份(a)和在一种载体介质(d)中含组份(b)和(c)至少其中之一种组份的悬浮液施用到至少是一个轧机机座的两个工作辊上,这样在涂层上载体介质至少部份汽化,并在工作辊上形成一层粘牢的、防水的、润滑和分离的薄层。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1322/86A CH669129A5 (de) | 1986-04-04 | 1986-04-04 | Schmierstoffsystem fuer blech- und profilwalzwerke. |
CH1322/86 | 1986-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN87102555A true CN87102555A (zh) | 1987-10-14 |
Family
ID=4207732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN198787102555A Pending CN87102555A (zh) | 1986-04-04 | 1987-04-01 | 板材和型材轧机的润滑剂系统 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4808324A (zh) |
EP (1) | EP0240825A3 (zh) |
JP (1) | JPS62250099A (zh) |
KR (1) | KR870010169A (zh) |
CN (1) | CN87102555A (zh) |
AU (1) | AU594754B2 (zh) |
BR (1) | BR8701496A (zh) |
CA (1) | CA1273002A (zh) |
CH (1) | CH669129A5 (zh) |
SU (1) | SU1574179A3 (zh) |
ZA (1) | ZA872115B (zh) |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100439481C (zh) * | 2000-09-29 | 2008-12-03 | 凯尔桑技术公司 | 摩擦调节组合物 |
CN1898038B (zh) * | 2003-12-23 | 2011-03-09 | Sms西马格股份公司 | 用于润滑轧制品的方法 |
CN101864339A (zh) * | 2010-04-29 | 2010-10-20 | 张岳 | 钛管轧制工艺润滑水剂 |
CN101864339B (zh) * | 2010-04-29 | 2013-03-13 | 张岳 | 钛管轧制工艺润滑水剂 |
CN104031725A (zh) * | 2014-06-27 | 2014-09-10 | 无锡市崇安区科技创业服务中心 | 一种抗菌润滑剂及其制备方法 |
CN104031725B (zh) * | 2014-06-27 | 2015-12-30 | 无锡市崇安区科技创业服务中心 | 一种抗菌润滑剂及其制备方法 |
CN111065832A (zh) * | 2017-09-06 | 2020-04-24 | Sms集团有限公司 | 用于运行轧制或冶金设备的方法 |
CN112094683A (zh) * | 2020-08-17 | 2020-12-18 | 沈阳中钛装备制造有限公司 | 一种脱模剂及其制备方法与应用 |
CN113621433A (zh) * | 2021-07-29 | 2021-11-09 | 四川中德铝业有限公司 | 一种铝合金挤压饼专用冷却液 |
Also Published As
Publication number | Publication date |
---|---|
US4808324A (en) | 1989-02-28 |
CA1273002A (en) | 1990-08-21 |
AU594754B2 (en) | 1990-03-15 |
JPS62250099A (ja) | 1987-10-30 |
AU7102087A (en) | 1987-10-08 |
KR870010169A (ko) | 1987-11-30 |
CH669129A5 (de) | 1989-02-28 |
EP0240825A3 (de) | 1988-08-24 |
ZA872115B (en) | 1987-11-25 |
BR8701496A (pt) | 1988-01-19 |
SU1574179A3 (ru) | 1990-06-23 |
EP0240825A2 (de) | 1987-10-14 |
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