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 PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 10
- 230000023556 desulfurization Effects 0.000 title claims abstract description 10
- 239000003546 flue gas Substances 0.000 title claims abstract description 10
- 238000005299 abrasion Methods 0.000 title abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 235000019198 oils Nutrition 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000005256 carbonitriding Methods 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 3
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- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 3
- 239000008158 vegetable oil Substances 0.000 claims description 3
- 238000005261 decarburization Methods 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract description 3
- 239000012895 dilution Substances 0.000 abstract description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- 238000003379 elimination reaction Methods 0.000 description 2
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- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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- 239000008188 pellet Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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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
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。
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Cited By (5)
| 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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| 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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