CN104625328A - 加氢反应器封头内壁耐蚀层堆焊工艺 - Google Patents

加氢反应器封头内壁耐蚀层堆焊工艺 Download PDF

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Publication number
CN104625328A
CN104625328A CN201310559005.3A CN201310559005A CN104625328A CN 104625328 A CN104625328 A CN 104625328A CN 201310559005 A CN201310559005 A CN 201310559005A CN 104625328 A CN104625328 A CN 104625328A
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China
Prior art keywords
welding
end socket
overlaying
hydrogenation reactor
layer
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Pending
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CN201310559005.3A
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English (en)
Inventor
杜学梅
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Qingdao Xusheng Head Co Ltd
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Qingdao Xusheng Head Co Ltd
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Application filed by Qingdao Xusheng Head Co Ltd filed Critical Qingdao Xusheng Head Co Ltd
Priority to CN201310559005.3A priority Critical patent/CN104625328A/zh
Publication of CN104625328A publication Critical patent/CN104625328A/zh
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-arc welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/235—Preliminary treatment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

本发明公开了一种加氢反应器封头内壁耐蚀层堆焊工艺，工艺流程包括：封头预热→埋弧带极堆焊过渡层→后热→堆焊层表面着色检查→埋弧带极堆焊表面→堆焊层表面着色检查→结合面无损检测。封头预热温度≥150℃，后热温度为250～300℃，后热时间为2h，过渡层焊接电流700～800A、焊接电压为30～32V、焊接速度为175mm/min，表面层焊接电流700～800A、焊接电压为30～32V、焊接速度为165mm/min。设备成本低，生产效率高，操作简单方便，焊接精度高。

Description

加氢反应器封头内壁耐蚀层堆焊工艺
 
技术领域
本发明属于封头内壁耐蚀层堆焊工艺，具体涉及一种加氢反应器封头内壁耐蚀层堆焊工艺。
 
背景技术 
目前加氢反应器封头内壁耐蚀层堆焊工艺操作复杂，设备成本高，生产效率低。
 
发明内容
为了克服现有技术领域存在的上述缺陷，本发明的目的在于，提供一种加氢反应器封头内壁耐蚀层堆焊工艺，操作方便。
本发明提供的加氢反应器封头内壁耐蚀层堆焊工艺，工艺流程包括：封头预热→埋弧带极堆焊过渡层→后热→堆焊层表面着色检查→埋弧带极堆焊表面→堆焊层表面着色检查→结合面无损检测。封头预热温度≥150℃，后热温度为250～300℃，后热时间为2h，过渡层焊接电流700～800A、焊接电压为30～32V、焊接速度为175mm/min，表面层焊接电流700～800A、焊接电压为30～32V、焊接速度为165mm/min。
本发明提供的加氢反应器封头内壁耐蚀层堆焊工艺，其有益效果在于，设备成本低，生产效率高，操作简单方便，焊接精度高。
 
具体实施方式
下面结合一个实施例，对本发明提供的加氢反应器封头内壁耐蚀层堆焊工艺进行详细的说明。
 
实施例
工艺流程包括：封头预热→埋弧带极堆焊过渡层→后热→堆焊层表面着色检查→埋弧带极堆焊表面→堆焊层表面着色检查→结合面无损检测。封头预热温度≥150℃，后热温度为250～300℃，后热时间为2h，过渡层焊接电流700～800A、焊接电压为30～32V、焊接速度为175mm/min，表面层焊接电流700～800A、焊接电压为30～32V、焊接速度为165mm/min。

Claims (1)

1.一种加氢反应器封头内壁耐蚀层堆焊工艺，其特征在于，工艺流程包括：封头预热→埋弧带极堆焊过渡层→后热→堆焊层表面着色检查→埋弧带极堆焊表面→堆焊层表面着色检查→结合面无损检测；封头预热温度≥150℃，后热温度为250～300℃，后热时间为2h，过渡层焊接电流700～800A、焊接电压为30～32V、焊接速度为175mm/min，表面层焊接电流700～800A、焊接电压为30～32V、焊接速度为165mm/min。
CN201310559005.3A 2013-11-12 2013-11-12 加氢反应器封头内壁耐蚀层堆焊工艺 Pending CN104625328A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310559005.3A CN104625328A (zh) 2013-11-12 2013-11-12 加氢反应器封头内壁耐蚀层堆焊工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310559005.3A CN104625328A (zh) 2013-11-12 2013-11-12 加氢反应器封头内壁耐蚀层堆焊工艺

Publications (1)

Publication Number Publication Date
CN104625328A true CN104625328A (zh) 2015-05-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017079996A1 (zh) * 2015-11-12 2017-05-18 上海电气核电设备有限公司 一种在低合金钢母材上进行不锈钢带极埋弧堆焊的方法
CN108356397A (zh) * 2018-04-13 2018-08-03 中国石油大学(华东) 一种基于残余应力调控的大型加氢反应器内壁耐腐蚀层宽带极堆焊方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017079996A1 (zh) * 2015-11-12 2017-05-18 上海电气核电设备有限公司 一种在低合金钢母材上进行不锈钢带极埋弧堆焊的方法
CN108356397A (zh) * 2018-04-13 2018-08-03 中国石油大学(华东) 一种基于残余应力调控的大型加氢反应器内壁耐腐蚀层宽带极堆焊方法
CN108356397B (zh) * 2018-04-13 2020-04-03 中国石油大学(华东) 一种基于残余应力调控的大型容器耐蚀层宽带极堆焊方法

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