CN105886726A - 一种烟气脱硫球磨机用耐磨球制备方法 - Google Patents

一种烟气脱硫球磨机用耐磨球制备方法 Download PDF

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CN105886726A
CN105886726A CN201610440904.5A CN201610440904A CN105886726A CN 105886726 A CN105886726 A CN 105886726A CN 201610440904 A CN201610440904 A CN 201610440904A CN 105886726 A CN105886726 A CN 105886726A
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flue gas
gas desulfurization
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weight
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潘政桃
李家宝
张学伍
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Maanshan Yifeng Industry Group Co Ltd
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Abstract

本发明公开了一种烟气脱硫球磨机用耐磨球制备方法，包括有以下工艺步骤：铸造铁水中各合金成分及重量百分比为：C2.1~2.5%，Si0.5~0.9%，Mn0.6~0.9%，Mo0.3%~0.5%，S0.004%~0.012%，Cr2.1~2.4%，Ni0.04~0.08%，Ti0.15~0.25%，W0.05~0.11%，Ni0.15~0.25%，余量为铁；本发明材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。

Description

一种烟气脱硫球磨机用耐磨球制备方法
技术领域
本发明涉及耐磨球领域，具体属于烟气脱硫球磨机用耐磨球制备方法。
背景技术
耐磨球广泛应用于冶金矿山、水泥建材、火力发电、烟气脱硫、磁性材料、化工、水煤浆、球团矿、矿渣、超细粉、粉煤灰、碳酸钙、石英砂等行业球磨机。目前的耐磨球存在着耐磨性能差，容易损坏等缺点，需要针对耐磨球制备方法进行进一步改进和研究。
发明内容
本发明的目的是提供一种烟气脱硫球磨机用耐磨球制备方法，材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。
本发明的技术方案如下：
一种烟气脱硫球磨机用耐磨球制备方法，包括有以下工艺步骤：
1）、铸造铁水中各合金成分及重量百分比为：C2.1~2.5%，Si0.5~0.9%，Mn0.6~0.9%，Mo0.3%~0.5%，S0.004%~0.012%，Cr2.1~2.4%，Ni0.04~0.08%，Ti0.15~0.25%，W0.05~0.11%，Ni0.15~0.25%，余量为铁；
2）碳氮共渗处理：气体碳氮炉的温度为600-650℃，处理时间为35-40min,通入气体中由体积比3:5的一氧化氮和二氧化碳组成；
3）真空热处理：在0.04-1.2Pa真空度的真空介质中进行，热处理温度为320-380℃，热处理时间30-60min，然后以20℃/min降到室温；
4）防锈处理：在防锈油中浸泡20-25min，所述防锈油由下述组分按重量百分比组成：氯化石蜡4-7%，十二烷基苯磺酸钠4-9%，六偏磷酸钠4-8%，山梨醇酐单油酸酯0.3-0.6%，消泡剂0.5-0.7%，抗氧化剂0.5-1.3%，余量为植物油。
铸造铁水中各合金成分及重量百分比为：C2.3%，Si0.7%，Mn0.6~0.9%，Mo0.4%，S0.008%，Cr2.25%，Ni0.06%，Ti0.2%，W0.08%，Ni0.2%，余量为铁。
本发明经碳氮共渗处理、真空热处理后，材料的内部缺陷得到了有效消除，提高了耐磨球的耐磨性和疲劳强度，同时具有无氧化、无脱碳、无元素贫化等特点，可以减少耐磨球的热处理变形。
具体实施方式
一种烟气脱硫球磨机用耐磨球制备方法，包括有以下工艺步骤：
1）、铸造铁水中各合金成分及重量百分比为：C2.3%，Si0.7%，Mn0.6~0.9%，Mo0.4%，S0.008%，Cr2.25%，Ni0.06%，Ti0.2%，W0.08%，Ni0.2%，余量为铁；
2）碳氮共渗处理：气体碳氮炉的温度为600-650℃，处理时间为35-40min,通入气体中由体积比3:5的一氧化氮和二氧化碳组成；
3）真空热处理：在0.04-1.2Pa真空度的真空介质中进行，热处理温度为320-380℃，热处理时间30-60min，然后以20℃/min降到室温；
4）防锈处理：在防锈油中浸泡20-25min，所述防锈油由下述组分按重量百分比组成：氯化石蜡4-7%，十二烷基苯磺酸钠4-9%，六偏磷酸钠4-8%，山梨醇酐单油酸酯0.3-0.6%，消泡剂0.5-0.7%，抗氧化剂0.5-1.3%，余量为植物油。

Claims (2)

1.一种烟气脱硫球磨机用耐磨球制备方法，其特征在于，包括有以下工艺步骤：
1）、铸造铁水中各合金成分及重量百分比为：C2.1~2.5%，Si0.5~0.9%，Mn0.6~0.9%，Mo0.3%~0.5%，S0.004%~0.012%，Cr2.1~2.4%，Ni0.04~0.08%，Ti0.15~0.25%，W0.05~0.11%，Ni0.15~0.25%，余量为铁；
2）碳氮共渗处理：气体碳氮炉的温度为600-650℃，处理时间为35-40min,通入气体中由体积比3:5的一氧化氮和二氧化碳组成；
3）真空热处理：在0.04-1.2Pa真空度的真空介质中进行，热处理温度为320-380℃，热处理时间30-60min，然后以20℃/min降到室温；
4）防锈处理：在防锈油中浸泡20-25min，所述防锈油由下述组分按重量百分比组成：氯化石蜡4-7%，十二烷基苯磺酸钠4-9%，六偏磷酸钠4-8%，山梨醇酐单油酸酯0.3-0.6%，消泡剂0.5-0.7%，抗氧化剂0.5-1.3%，余量为植物油。
2.根据权利要求1所述的烟气脱硫球磨机用耐磨球制备方法，其特征在于，铸造铁水中各合金成分及重量百分比为：C2.3%，Si0.7%，Mn0.6~0.9%，Mo0.4%，S0.008%，Cr2.25%，Ni0.06%，Ti0.2%，W0.08%，Ni0.2%，余量为铁。
CN201610440904.5A 2016-06-20 2016-06-20 一种烟气脱硫球磨机用耐磨球制备方法 Pending CN105886726A (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106367640A (zh) * 2016-11-14 2017-02-01 安徽名杰净化科技有限公司 一种空气净化器用铝合金净化室
CN106566975A (zh) * 2016-11-14 2017-04-19 安徽名杰净化科技有限公司 一种高硬度空气净化器法兰接口铸钢制备方法
CN106756454A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 高压开关柜底座用球墨铸铁
CN106756439A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 一种低铬合金铸开关柜用冷凝管制备方法
CN109371314A (zh) * 2018-11-27 2019-02-22 沈劲松 一种冶金矿山球磨机用耐磨球制备方法

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JP5241455B2 (ja) * 2008-12-02 2013-07-17 新日鐵住金株式会社 浸炭窒化部材および浸炭窒化部材の製造方法
CN103266261A (zh) * 2013-04-16 2013-08-28 安徽省宁国市宁沪钢球有限公司 一种高铬铸铁研磨体及其制备方法
CN104099531A (zh) * 2014-07-31 2014-10-15 宁国市宁武耐磨材料有限公司 一种高硬度耐磨球及其制备方法
CN104109798A (zh) * 2014-08-01 2014-10-22 宁国市南方耐磨材料有限公司 一种高铬耐磨铸铁钢球

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JP5241455B2 (ja) * 2008-12-02 2013-07-17 新日鐵住金株式会社 浸炭窒化部材および浸炭窒化部材の製造方法
CN103266261A (zh) * 2013-04-16 2013-08-28 安徽省宁国市宁沪钢球有限公司 一种高铬铸铁研磨体及其制备方法
CN104099531A (zh) * 2014-07-31 2014-10-15 宁国市宁武耐磨材料有限公司 一种高硬度耐磨球及其制备方法
CN104109798A (zh) * 2014-08-01 2014-10-22 宁国市南方耐磨材料有限公司 一种高铬耐磨铸铁钢球

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106367640A (zh) * 2016-11-14 2017-02-01 安徽名杰净化科技有限公司 一种空气净化器用铝合金净化室
CN106566975A (zh) * 2016-11-14 2017-04-19 安徽名杰净化科技有限公司 一种高硬度空气净化器法兰接口铸钢制备方法
CN106756454A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 高压开关柜底座用球墨铸铁
CN106756439A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 一种低铬合金铸开关柜用冷凝管制备方法
CN109371314A (zh) * 2018-11-27 2019-02-22 沈劲松 一种冶金矿山球磨机用耐磨球制备方法

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Application publication date: 20160824