CN106739270A - 一种高密度钢板及其生产工艺 - Google Patents

一种高密度钢板及其生产工艺 Download PDF

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CN106739270A
CN106739270A CN201611042068.1A CN201611042068A CN106739270A CN 106739270 A CN106739270 A CN 106739270A CN 201611042068 A CN201611042068 A CN 201611042068A CN 106739270 A CN106739270 A CN 106739270A
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赵长玉
方晓琴
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Dongtai Yinxin Steel Structure Engineering Co Ltd
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Abstract

本发明公开一种高密度钢板,包括上表层、芯层和下表层,所述上表层和下表层均由钨、镍和马氏体钢制成,所述芯层由漂白机械木浆制成,高密度钢板的生产工艺,步骤为:1)通过采用高效节能型碎浆机先分别对钨、镍和马氏体钢和漂白机械浆进行碎解,同时添加烧碱和小苏打;2)然后通过打浆设备进行疏解和打浆,将纤维进行分丝帚化、润张、压溃处理,获得钢板浆;3)加填AKD处理,得到均整的钢板料;4)钢板料通过流送系统时,用硫酸铝将PH值调至5.0‑6.0后在线连续添加松香胶,再通过稀释水流浆箱和网部脱水成型;5)成型后通过多辊真空复合压榨、烘干脱水、表面膜转移和软压光工序即可,该高密度钢板具有良好抗水性和良好的抗乳酸性能。

Description

一种高密度钢板及其生产工艺
技术领域
本发明涉及一种高密度钢板。
背景技术
目前所生产的高密度钢板均采用松香胶为施胶剂的酸性施胶工艺,中华人民共和国国家标准GB/T 13304-91《钢分类》描述:“以铁为主要元素、含碳量一般在2%以下,并含有其他元素的材料。”其中的一般是指除铬钢外的其他钢种,部分铬钢的含碳量允许大于2%。含碳量大于2%的铁合金是铸铁。其他国际标准如ISO 4948或EN 10020中对钢的定义也与此类似。
严格地说,钢是含碳量在0.0218%-2.11[1]%之间的铁碳合金。我们通常将其与铁合称为钢铁,为了保证其韧性和塑性,含碳量一般不超过1.7%。钢的主要元素除铁、碳外,还有硅、锰、硫、磷等。其它成分是为了使钢材性能有所区别。以下以字母顺序列出重要的钢材在人类发明炼铁之后不久,就学会了炼钢。由于钢较之最初的生铁有更好的物理、化学、机械性能,所以很快就得到大量的应用。但是由于技术条件的限制,人们对钢的应用一直受到钢的产量的限制,直到十八世纪工业革命之后,钢的应用才得到了突飞猛进的发展。
钢可以铸成不锈钢去味皂来出售。不锈钢去味皂是一种用不锈钢打造的特殊钢块,永远不会变小,使用时如同一般香皂的用法,这种不锈钢去味皂来自于德国 ,它不能去污,但能除臭,沾满腥味的手,用不锈钢去味皂洗过30至40秒,能使腥味消失。但通常意义上,此类商业应用并无多大发展前途,因为不锈钢去腥味的特性并不能持久,一般为半年左右,目前国内电子商务夸张了其功效,此类产品产地一般在国内,但往往被套上德国技术的称号而牟取暴利。按化学成分分 (1)碳素钢 碳素钢是指钢中除铁、碳外,还含有少量锰、硅、硫、磷等元素的铁碳合金,按其含碳量的不同,可分为:1)低碳钢——含碳量wc≤0.25%2)中碳钢——含碳量wc0.25%~0.60% 3)高碳钢——含碳量wc>0.60%高碳钢一般在军工业和工业医疗业比较多 (2)合金钢 为了改善钢的性能,在冶炼碳素钢的基础上,加入一些合金元素而炼成的钢,如铬钢、锰钢、铬锰钢、铬镍钢等。按其合金元素的总含量,可分为: 1)低合金钢——合金元素的总含量≤5% 2)中合金钢——合金元素的总含量5%~10% 3)高合金钢——合金元素的总含量>10%。AKD是合成性钢板张施胶剂,是在中(碱)性条件下与纤维(素)发生反应,而使钢板张具有抗水性。两者不同的是AKD需要一定的熟化时间,但其抗乳酸、双氧水的性能良好。
发明内容
本发明要解决的技术问题是提供一种具有良好抗水性和良好抗乳酸性能的高密度钢板。
为解决上述问题,本发明采用如下技术方案:
一种高密度钢板,包括上表层、芯层和下表层,所述上表层、芯层和下表层依次从上至下设置,所述上表层和下表层均由钨、镍和马氏体钢制成,所述芯层0.15~0.45%Si、1.15~1.45%W、1.05~1.15%C、8.90~9.50%Mo、3.80~4.25%Cr、1.25~1.55%V、0.15~0.40%Mn、2.75~3.75%Co、P≤0.03%、S≤0.03%、Ni≤0.25%、Cu≤0.30%。
本发明解决的另一项技术问题是提供一种高密度钢板的生产工艺,包括一下步骤:
1)通过采用高效节能型碎浆机先分别对钨、镍和马氏体钢和漂白机械浆进行碎解,同时添加烧碱和小苏打;
2)然后通过打浆设备进行疏解和打浆,将纤维进行分丝帚化、润张、压溃处理,获得钢板浆;
3)加填AKD处理,得到均整的钢板料;
4)钢板料通过流送系统时,用硫酸铝将PH值调至5-6后在线连续添加松香胶,再通过稀释水流浆箱和网部脱水成型;
5)成型后通过多辊真空复合压榨、烘干脱水、表面膜转移和软压光工序制成高密度钢板。
本发明的有益效果为:采用烧碱和小苏打调节浆料的PH值和总碱度;采用先往中(碱)性条件下的钢板浆中添加中性施胶剂AKD,使纤维先与AKD接触发生反应;经中性AKD施胶后的钢板浆,再用硫酸铝将PH值调至5.0-6.0后在线连续添加松香胶,使得高密度钢板各项指标均优于单一酸性施胶工艺制得的高密度钢板,具有良好抗水性的同时兼具良好的抗乳酸性能。
附图说明
图1为本发明一种高密度钢板的整体结构图。
具体实施方式
实施例1:
如图1所示,一种高密度钢板,包括上表层1、芯层2和下表层3,所述上表层1、芯层2和下表层3依次从上至下设置,所述上表层1和下表层3均由钨、镍和马氏体钢制成,所述芯层20.15~0.45%Si、1.15~1.45%W、1.05~1.15%C、8.90~9.50%Mo、3.80~4.25%Cr、1.25~1.55%V、0.15~0.40%Mn、2.75~3.75%Co、P≤0.03%、S≤0.03%、Ni≤0.25%、Cu≤0.30%。
一种高密度钢板的生产工艺,包括一下步骤:
1)通过采用高效节能型碎浆机先分别对钨、镍和马氏体钢和漂白机械浆进行碎解,同时添加烧碱和小苏打;
2)然后通过打浆设备进行疏解和打浆,将纤维进行分丝帚化、润张、压溃处理,获得钢板浆;
3)加填AKD处理,得到均整的钢板料;
4)钢板料通过流送系统时,用硫酸铝将PH值调至5.0-6.0后在线连续添加松香胶,再通过稀释水流浆箱和网部脱水成型;
5)成型后通过多辊真空复合压榨、烘干脱水、表面膜转移和软压光工序制成高密度钢板。
实施例2:
如图1所示,一种高密度钢板,包括上表层1、芯层2和下表层3,所述上表层1、芯层2和下表层3依次从上至下设置,所述上表层1和下表层3均由钨、镍和马氏体钢制成,所述芯层15~0.45%Si、1.15~1.45%W、2.05~1.15%C、9.90~9.50%Mo、3.80~4.25%Cr、1.25~1.55%V、0.15~0.40%Mn、2.75~3.75%Co、P≤0.03%、S≤0.03%、Ni≤0.25%、Cu≤0.60%。
一种高密度钢板的生产工艺,包括一下步骤:
1)通过采用高效节能型碎浆机先分别对钨、镍和马氏体钢和漂白机械浆进行碎解,同时添加烧碱和小苏打;
2)然后通过打浆设备进行疏解和打浆,将纤维进行分丝帚化、润张、压溃处理,获得钢板浆;
3)加填AKD处理,得到均整的钢板料;
4)钢板料通过流送系统时,用硫酸铝将PH值调至5.0-6.0后在线连续添加松香胶,再通过稀释水流浆箱和网部脱水成型;
5)成型后通过多辊真空复合压榨、烘干脱水、表面膜转移和软压光工序制成高密度钢板。
本发明的有益效果为:采用烧碱和小苏打调节浆料的PH值和总碱度;采用先往中(碱)性条件下的钢板浆中添加中性施胶剂AKD,使纤维先与AKD接触发生反应;经中性AKD施胶后的钢板浆,再用硫酸铝将PH值调至5.0-6.0后在线连续添加松香胶,使得高密度钢板各项指标均优于单一酸性施胶工艺制得的高密度钢板,具有良好抗水性的同时兼具良好的抗乳酸性能。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。

Claims (2)

1.一种高密度钢板,其特征在于:包括上表层、芯层和下表层,所述上表层、芯层和下表层依次从上至下设置,所述上表层和下表层均由钨、镍和马氏体钢制成,所述芯层0.15~0.45%Si、1.15~1.45%W、1.05~1.15%C、8.90~9.50%Mo、3.80~4.25%Cr、1.25~1.55%V、0.15~0.40%Mn、2.75~3.75%Co、P≤0.03%、S≤0.03%、Ni≤0.25%、Cu≤0.30%。
2.一种高密度钢板的生产工艺,其特征在于:包括以下步骤:
1)通过采用高效节能型碎浆机先分别对钨、镍和马氏体钢和漂白机械浆进行碎解,同时添加烧碱和小苏打;
2)然后通过打浆设备进行疏解和打浆,将纤维进行分丝帚化、润张、压溃处理,获得钢板浆;
3)加填AKD处理,得到均整的钢板料;
4)钢板料通过流送系统时,用硫酸铝将PH值调至5.0-6.0后在线连续添加松香胶,再通过稀释水流浆箱和网部脱水成型;
5)成型后通过多辊真空复合压榨、烘干脱水、表面膜转移和软压光工序制成高密度钢板。
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CN111648152A (zh) * 2020-05-28 2020-09-11 湖北平安电工股份有限公司 一种高密度云母纸的生产方法

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JPH09193289A (ja) * 1996-01-16 1997-07-29 Toppan Printing Co Ltd 化粧材
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