CN104625356A - 加氢反应器封头拼焊工艺 - Google Patents

加氢反应器封头拼焊工艺 Download PDF

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Publication number
CN104625356A
CN104625356A CN201310559110.7A CN201310559110A CN104625356A CN 104625356 A CN104625356 A CN 104625356A CN 201310559110 A CN201310559110 A CN 201310559110A CN 104625356 A CN104625356 A CN 104625356A
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CN
China
Prior art keywords
welding
end socket
hydrogenation reactor
temperature
reactor end
Prior art date
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Pending
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CN201310559110.7A
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English (en)
Inventor
杜学梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Xusheng Head Co Ltd
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Qingdao Xusheng Head Co Ltd
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Publication date
Application filed by Qingdao Xusheng Head Co Ltd filed Critical Qingdao Xusheng Head Co Ltd
Priority to CN201310559110.7A priority Critical patent/CN104625356A/zh
Publication of CN104625356A publication Critical patent/CN104625356A/zh
Pending legal-status Critical Current

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Classifications

    • 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)
  • Arc Welding In General (AREA)

Abstract

本发明公开了一种加氢反应器封头拼焊工艺，工艺流程包括：焊接坡口干磁粉检测→预热→装配、点焊→窄间隙埋弧自动焊→焊接外坡口→后热。预热温度≥200℃，焊接窄间隙温度为200～250℃，后热温度为200～300℃，后热时间为2h，焊接电流为500～550A，焊接电压为28～30V，焊接速度为360～400mm/min。操作简单方便，焊接精度高。

Description

加氢反应器封头拼焊工艺
 
技术领域
本发明属于封头拼焊工艺，具体涉及一种加氢反应器封头拼焊工艺。
 
背景技术 
目前加氢反应器封头拼焊工艺操作复杂，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拼焊工艺，操作方便。
本发明提供的加氢反应器封头拼焊工艺，工艺流程包括：焊接坡口干磁粉检测→预热→装配、点焊→窄间隙埋弧自动焊→焊接外坡口→后热。预热温度≥200℃，焊接窄间隙温度为200～250℃，后热温度为200～300℃，后热时间为2h，焊接电流为500～550A，焊接电压为28～30V，焊接速度为360～400mm/min。
本发明提供的加氢反应器封头拼焊工艺，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拼焊工艺进行详细的说明。
 
实施例
工艺流程包括：焊接坡口干磁粉检测→预热→装配、点焊→窄间隙埋弧自动焊→焊接外坡口→后热。预热温度≥200℃，焊接窄间隙温度为200～250℃，后热温度为200～300℃，后热时间为2h，焊接电流为500～550A，焊接电压为28～30V，焊接速度为360～400mm/min。

Claims (1)

1.一种加氢反应器封头拼焊工艺，其特征在于，工艺流程包括：焊接坡口干磁粉检测→预热→装配、点焊→窄间隙埋弧自动焊→焊接外坡口→后热；预热温度≥200℃，焊接窄间隙温度为200～250℃，后热温度为200～300℃，后热时间为2h，焊接电流为500～550A，焊接电压为28～30V，焊接速度为360～400mm/min。
CN201310559110.7A 2013-11-12 2013-11-12 加氢反应器封头拼焊工艺 Pending CN104625356A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310559110.7A CN104625356A (zh) 2013-11-12 2013-11-12 加氢反应器封头拼焊工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310559110.7A CN104625356A (zh) 2013-11-12 2013-11-12 加氢反应器封头拼焊工艺

Publications (1)

Publication Number Publication Date
CN104625356A true CN104625356A (zh) 2015-05-20

Family

ID=53204841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310559110.7A Pending CN104625356A (zh) 2013-11-12 2013-11-12 加氢反应器封头拼焊工艺

Country Status (1)

Country Link
CN (1) CN104625356A (zh)

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Application publication date: 20150520