CN107353993A - 高合金油井管热连轧专用芯棒润滑剂 - Google Patents
高合金油井管热连轧专用芯棒润滑剂 Download PDFInfo
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 8
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 8
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- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 7
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Abstract
本发明公开了一种高合金油井管热连轧专用芯棒润滑剂，由天然鳞片石墨、三聚磷酸钠、硼砂、EVA乳液、三乙醇胺、脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH、聚乙二醇1500双油酸酯、甲基纤维素、有机膨润土、三水合氧化铝、氢氧化镁、纯水组成。本发明润滑性高、吸附量大、使用过程产生烟密度低，对人和环境友好。
Description
技术领域
本发明涉及一种油井管热连轧专用芯棒润滑剂。
背景技术
随着能源需求增大，油气生产厂家开始转向开发腐蚀环境较为恶劣的油田和天然气井。油气开采面临着高温高压、高酸性、高危险性的“三高”苛刻环境。过去普遍使用的碳钢和低合金钢钢管，难以保证足够的抗腐蚀性能。实验证明，在材料中添加Cr元素，能有效提高金属材料耐CO2腐蚀性能，高合金马氏体不锈钢管材在150°C下具有较好的抗CO2腐蚀能力。在高合金马氏体不锈钢中通过添加镍元素和钼元素，使其在CO2 环境中拥有优良的抗点蚀和抗均勻腐蚀性能。国外将含镍5%，含钼2%左右的高合金马氏体不锈钢称为SUP13Cr。不同企业结合自身产品体系，又为其赋予更加详细的企业编号名称，其中天津钢管集团股份有限公司开发的超级13Cr钢种称为TP110-SUP13Cr。高合金材质的管坯抗变形能力大，穿孔、连轧、张力减径等工序轧制力均高于普通材质。尤其在连轧工序对芯棒润滑剂性能要求极高，连轧生产难度很大，传统的热轧钢管芯棒润滑剂很难保证高合金管材的轧制质量与轧制效率。
目前市售一般芯棒润滑剂多存在高温润滑性不足，吸附量低和烟雾大等缺陷。在轧制高合金油井管过程中不能给芯棒和管壁之间提供充分润滑，芯棒寿命低，钢管内表面质量差，对车间环境污染液比较大。我公司科技人员在消化、吸收日本尤希路公司先进技术和工艺的基础上，自主创新研究开发的“高合金油井管热连轧专用芯棒润滑剂”，采用超细高纯天然鳞片石墨粉、无机熔盐、复合成膜助剂、pH调节剂、乳化剂、分散剂、稳定剂、增稠剂、烟雾抑制剂等多种组分经过特殊工艺调制而成。本产品具有优异的高温润滑性、极佳的附着性以及非常低的烟密度，不仅能保证高合金油井管顺利轧制，延长芯棒寿命，降低能耗，而且也明显改善了市售芯棒润滑剂使用过程中的普遍存在的黑烟现象。
发明内容
本发明的目的在于提供一种润滑性高、吸附量大、使用过程产生烟密度低，对人和环境友好的高合金油井管热连轧专用芯棒润滑剂。
本发明的技术解决方案是：
一种高合金油井管热连轧专用芯棒润滑剂，其特征是：由下列质量百分比的成分组成：
天然鳞片石墨 20~35%
三聚磷酸钠 0.5~1.5%
硼砂 1~3.0%
EVA乳液 0.5~2.5%
三乙醇胺 0.5~1.5%
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.3~1%
聚乙二醇1500双油酸酯 1~3%
甲基纤维素 0.2~0.7%
有机膨润土 0.1~0.4%
三水合氧化铝 0.1~0.5%
氢氧化镁 0.1~0.3%
纯水 55~70%；
上述各组分用量之和为100%。
所述的高合金油井管热连轧专用芯棒润滑剂，由下列质量百分比的成分组成：
天然鳞片石墨 28%
三聚磷酸钠 1.0%
硼砂 2.0%
EVA乳液 1.5%
三乙醇胺 1.0%
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.6%
聚乙二醇1500双油酸酯 2.0%
甲基纤维素 0.4%
有机膨润土 0.2%
三水合氧化铝 0.3%
氢氧化镁 0.2%
纯水 62.8%。
天然鳞片石墨是指纯度为98%以上，颗粒度（D50）范围在8～10um之间的天然鳞片状石墨粉。
本发明是一种润滑性极佳的专用芯棒润滑剂。经权威第三方检测机构检测：该产品1000℃下的高温摩擦系数≤0.027。
配方组份采用兼容性良好，通过无机组分和有机树脂的巧妙复配，该产品在芯棒表面的附着能力大幅度提高。经过实验室和现场实际测试，该产品100℃高温情况下在芯棒表面的吸附量高达160g/m2(远高于市售典型品的40-60 g/m2)，能完全满足轧制高合金油井管时对润滑剂成膜厚度的要求。以三水合氧化铝和氢氧化镁复配的特殊烟雾抑制剂。该烟雾抑制剂能有效捕捉并吸收配方中有机物（有机胺、树脂、分散剂）燃烧后释放的烟雾，大大改善车间环境。
本发明对于从整体上提升我国高合金油井管热连轧专用芯棒润滑剂的优质化、绿色化水平，实现政府提出的“发展高端精细化产品，提高绿色制造水平”目标，节约石油资源消耗，保护环境安全和人体健康，建设资源节约型、环境友好型社会，具有重要意义。
下面结合实施例对本发明作进一步说明。
具体实施方式
实施例1：
将下列重量组分在一定条件下混合搅拌，得产品：
天然鳞片石墨 28%
三聚磷酸钠 1.0%
硼砂 2.0%
EVA乳液 1.5%
三乙醇胺 1.0%
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.6%
聚乙二醇1500双油酸酯 2.0%
甲基纤维素 0.4%
有机膨润土 0.2%
三水合氧化铝 0.3%
氢氧化镁 0.2%
纯水 62.8%。
实施例2：
一种高合金油井管热连轧专用芯棒润滑剂，由下列质量百分比的成分混合搅拌制成：
天然鳞片石墨 20~35%（例20%、30%、35%）
三聚磷酸钠 0.5~1.5%（例0.5%、1%、1.5%）
硼砂 1~3.0%（例1%、2%、3%）
EVA乳液 0.5~2.5%（例0.5%、1%、2.5%）
三乙醇胺 0.5~1.5%（例0.5%、1%、1.5%）
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.3~1%（例0.3%、0.7%、1%）
聚乙二醇1500双油酸酯 1~3% （例1%、2%、3%）
甲基纤维素 0.2~0.7%（例0.2%、0.5%、0.7%）
有机膨润土 0.1~0.4%（例0.1%、0.2%、0.4%）
三水合氧化铝 0.1~0.5%（例0.1%、0.3%、0.5%）
氢氧化镁 0.1~0.3%（例0.1%、0.2%、0.3%）
纯水 55~70%（例55%、62%、70%）；
上述各组分用量之和为100%。
Claims (2)
1. 一种高合金油井管热连轧专用芯棒润滑剂，其特征是：由下列质量百分比的成分组成：
天然鳞片石墨 20~35%
三聚磷酸钠 0.5~1.5%
硼砂 1~3.0%
EVA乳液 0.5~2.5%
三乙醇胺 0.5~1.5%
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.3~1%
聚乙二醇1500双油酸酯 1~3%
甲基纤维素 0.2~0.7%
有机膨润土 0.1~0.4%
三水合氧化铝 0.1~0.5%
氢氧化镁 0.1~0.3%
纯水 55~70%；
上述各组分用量之和为100%。
2. 根据权利要求1所述的高合金油井管热连轧专用芯棒润滑剂，其特征是：由下列质量百分比的成分组成：
天然鳞片石墨 28%
三聚磷酸钠 1.0%
硼砂 2.0%
EVA乳液 1.5%
三乙醇胺 1.0%
脂肪酸聚氧乙烯醚C17H33COO（CH2 CH2O）nH 0.6%
聚乙二醇1500双油酸酯 2.0%
甲基纤维素 0.4%
有机膨润土 0.2%
三水合氧化铝 0.3%
氢氧化镁 0.2%
纯水 62.8%。
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