三分11选五

合金钢管
专业生产经营合金钢管
公司现货资源量大、规格齐全、质优价低

合金钢管焊接施工方案作业安全施工专项方案

[ 关键词:合金钢管焊接施工方案 发表日期:2021-09-16 ]

  合金钢管焊接施工方案作业安全施工专项方案,对合金钢管拼装、焊接要求、标准、准备、工艺要求、预热及焊后处理、检验、检修等内容做了详细说明。

YI、GUANDAOZUDUIPINZHUANG

1、组装前,对合金钢管内壁进行清扫,对管端内、外 20mm范围内及坡口内的油污和锈蚀清除干净,露出金属光泽。

2、BENGONGCHENGCAIYONGWAIDUIKOUQIJINXINGDUIKOU,GUANKOUZUDUISHIBIMIANQIANGLIZUDUIQIEYINGBAOHUGANGGUANFANGFUJUEYUANCENG。

3、GUANDAODUIKOUYINGJIANCHADUIKOUJIETOUGEBUCHICUN,GUANDUANZHENGYUAN、GUANDAOZHAOZHI、CUOKOUZHAOPINGDENG,QUANBUFUHEYAOQIUHOUJIKEJINXINGDINGWEIHANGUDING,CHAICHUWAIDUIKOUQIZAIQUANMIANSHIHAN。

4、GUANJIAN、GUANZIZUDUISHI,YINGJIANCHAPOKOUZHILIANG,POKOUBIAOMIANBUDEYOULIEWEN,JIACENGDENGQUEXIAN,GUANJIANYUFALANZUDUISHI,FALANMIFENGMIANYINGBAOCHIPINGXING,GUANKOUYINGAOJINFALAN 1.3~1.5 BEIGUANBIHOUDU,BUDEYUFALANJIECHUMIANPINGQI。

ER、HANJIESHIGONGSHEJIYAOQIU

1、RANQIGUANDAO,GUANJIANJUNCAIYONGHANJIELIANJIE。

2、ZAIQUEDINGLECAILIAODEHANJIEXINGNENGHOU,YINGZAIGONGCHENGHANJIEQIANDUIBEIHANCAILIAOJINXINGHANJIEGONGYIPINGDING。

3、GUANDAOHANFENGWEIZHI,POKOUXINGSHIJIJIAGONG,DUIJIEHANJIANDEZUDUIYAOQIUDENGJUNYINGFUHEGUIFANGB50235-2010DEGUIDINGZHIXING。

4、HANTIAOCAIZHIYINGYUMUCAICAIZHIXIANGTONG。

5、HANFENGBIAOMIANJINEIBUZHILIANGYINGFUHEGUIFAN GB50236-2011ⅡJIHANFENGDEYAOQIU,HANFENG XSHEXIANTANSHANGDESHULIANGBUXIAOYUHANFENGZONGLIANG 15%,QIZHONGGUDINGHANKOUBUYUHANFENGZONGLIANGDE 10%,ZHUANDONGHANFENGZONGLIANGDE 5%,QIYUHANFENGZHESETANSHANG。

6、TAOGUANNEIDEGUANDAOHANFENGXUJINXING 100%DE X SHEXIANTANSHANG,HANFENGDENGJIWEIⅡJI。

7、GANGTAOGUANLIANGDUANCAIYONGMUZHIDANGBAN,MABIAN,FANGSHENSHUINISHAJIANGFENGDU,MUZHIDANGBANYINGZUOFANGFUCHULI。

SAN、HANJIEZHIXINGBIAOZHUN

《YALIGUANDAOANZHUANGANQUANGUANLIYUJIANCHAGUIDING》BUFA [1996]140 HAO

《XIANCHANGSHEBEI,GONGYEGUANDAOHANJIEGONGCHENGSHIGONGJIYANSHOUGUIFAN》 GB50236-2011

《GONGYEJINSHUGUANDAOGONGCHENGSHIGONGJIYANSHOUGUIFAN》 GB50235-2010《GANGRONGHUAHANDUIJIEJIETOUSHEXIANZHAOXIANGHEZHILIANGFENJI》 GB3323

SI、HANJIESHIGONGZHUNBEI

1、HANJIERENYUAN:HANGONGCHIHANGONGHEGEZHENGSHANGGANG,SHIHANHOU,YINGZAIHANKOUPANGBIANYONGGANGYINDASHANGHANGONGHAOMA。

2、JIJU:DIANHANJI、SHOUDONGSHALUNJI、JIANCESHEBEIDENG。

3、ZUOYETIAOJIAN

(1)ANYAOQIUZHUNBEIHAOSUOXUHANJIEDEHEJINGANGGUANJIPEIJIAN、HANJI、YAQIDENG。

(2)ZUOYECHANGDIQINGJIEWUYIRANYIBAOWUPINJIZAWU,BINGPEIBEIXIAOFANGYONGJU。

(3)SHIHANHUANJINGYINGFUHEXIALIEGUIDING: HANJIEDEHUANJINGWENDUYINGNENGBAOZHENGHANJIANHANJIESUOXUDEZUGOUWENDUHEHANGONGJINENGBUSHOUYINGXIANG。HANJIESHIFENGSUBUYINGCHAOGUOXIALIEYAOQIU,DANGCHAOGUOGUIDINGSHIYINGYOUFANGFENGSHESHI。

(4)SHOUGONGDIANHUHAN: 8m/sHANJIEDIANHU 1mFANWEINEIDEXIANGDUISHIDUBUDEDAYU 90%。

WU、HANQIANZHUNBEI

1、ZAIGONGCHENGSHIGONGQIAN,YOUXIANGYINGDEHANJIEGONGYIPINGDINGWENJIAN,PINGDINGFANWEIHANFENGXINGSHIJIYAOQIUJUNNENGMANZUBENGONGCHENGDEYAOQIU。

2、HANJIESHIGONGYUANGENJUSHEJIWENJIANGUIDINGDEJIETOUXINGSHI、GUANCAIGUIGE、CAIZHIDENGTIAOJIAN,XUANYONGXIANGYINGDEGONGYIPINGDINGWENJIAN,BIANZHICHUXIANGYINGDEHANJIEGONGYIKA,ZHIDAOXIANCHANGHANJIESHIGONG。

3、JIANCHASHANGGANGHANGONGSUOCHIZHENGJIANYUGANGGUANSHANGHANJIEDEGANGCAIZHONGLEI、HANJIEFANGFAHEHANJIEWEIZHIDENGSHIFOUYUKAOSHIHEGEDEXIANGMUXIANGFU。

4、JIANCHAGUANCAIHEHANCAISHIFOUJUYOUZHIZAOCHANGDEZHILIANGZHENGMINGSHU,QIZHILIANGBUDEDIYUGUOJIAXIANXINGBIAOZHUNJIGONGSICAILIAOJIANYANWENJIAN。YOUHEGEZHENGMINGWENJIANDEHANJIECAILIAO,YINGANGUIDINGJIANGHANTIAOHONGBEI100-150℃,FANGRUBAOWENTONGNEISUIYONGSUIQU。

5、YINGJIANCHAHANJIESHEBEIDEWANHAOXING,BUFUYAOQIUZHEBUDEYONGYUSHENGCHAN。

LIU、HANJIEGONGYI

1、HANJIECAILIAODEXUANYONGBIXUFUHESHEJIGUIDING。

2、SHIHANHANGONGYINGYANSHOUGONGYIJILV,YANGEANGONGYIKATIGONGDECANSHUJIYAOQIUJINXINGSHIHAN。

3、YANJINZAIPOKOUZHICHUDEMUCAIBIAOMIANYINHUHESHIYANDIANLIU、BINGYINGFANGZHIDIANHUCASHANGMUCAI。

4、SHIHANGUOCHENGZHONGYINGBAOZHENGQIHUHESHOUHUCHUDEZHILIANG、YINHUSHIYINGJIANGHUKENGTIANMAN。DUOCENGHANDECENGJIANJIETOUYINGCUOKAI。

5、GUANZIHANJIESHI,GUANNEIYINGFANGZHICHUANTANGFENG。

6、HANGONGHANWANHOUYINGJINXINGQINGLI,JINGZIJIANHEGEHOUZAIHANFENGFUJINDASHANGHANGONGBENRENDEDAIHAOGANGYIN,HUOYONGJIUXINGBIAOJI。

QI、HANQIANYUREJIHANHOUCHULI

1、DANGHANJIANWENDUDIYU 0℃SHI,SUOYOUGANGCAIDEHANFENGYINGZAISHIHANCHU 100mmFANWEINEIYUREDAO 150℃YISHANG。

2、HANQIANYUREDEJIAREFANWEI,YINGYIHANFENGZHONGXINWEIJIZHUN,MEICEBUYINGXIAOYUHANJIANHOUDUDE3 BEI;HANHOURECHULIDEJIAREFANWEI,MEICEBUYINGXIAOYUHANFENGKUANDUDE 3 BEI,JIAREDAIYIWAIBUFENYINGJINXINGBAOWEN。

3、HANQIANYUREGUOCHENGZHONG,HANJIANNEIWAIBIWENDUYINGJUNYUN。

BA、HANJIEJIANYAN

1、HANJIEJIANYANGUOCHENGFENHANJIEQIANJIANCHA、HANJIEZHONGJIANJIANCHA、HANHOUJIANCHASANGEJIEDUAN。

2、HANFENGYINGZAIHANWANHOULIJIQUCHUZHAJIFEIJIANWU,QINGLIGANJINGHANFENGBIAOMIAN,RANHOUJINXINGHANFENGWAIGUANJIANCHA。

3、HANFENGWAIGUANZHILIANGYINGFUHEXIALIEGUIDING。

序号 缺陷名称 质量标准
1 裂纹 不允许
2 表面气孔 每50mm焊缝长度内允许直径≤ 0.35δ,且≤ 2mm
的气孔2个;孔间距≥ 6倍孔径
3 表面夹渣 深≤0.1δ,长 0.3δ,且≤10mm
4 咬边 咬边≤0.05δ,且≤0.5mm。连续长度≤ 100mm,
且焊缝两侧咬边总长≤ 10%焊缝总长
5 未焊透 不加垫单面焊允许值≤ 0.15δ,且≤ 1.5mm
缺陷总长在6δ焊缝长度内不超过δ
6 根部收缩 ≤0.2+0.02δ,且≤1mm,长度不限
7 角焊缝厚度不足 ≤0.3+0.05δ ,且≤1mm,每100mm焊缝长度内缺陷
长度≤25mm
8 角焊缝焊脚不对称 ≤2+0.15a
9 余高 ≤1+0.2b,且最大为5mm

4、GUANDAOHANFENGDENEIBUZHILIANGYINGANBENGONGCHENGSHEJIWENJIANDEGUIDINGJINXINGSHEXIANZHAOXIANGJIANYANHUOCHAOSHENGBOJIANYAN。HANFENGBIAOMIANDEWUSUNJIANYANYINGZAIHANFENGWAIGUANJIANYANHEGEHOUJINXING。

5、GUANDAOHANFENGNEIBUZHILIANGJIANYANSHI,YINGDUIMEIYIHANGONGSUOHANHANFENGANGUIDINGDEBILIJINXINGCHOUCHA,JIANYANWEIZHIYINGYOUSHIGONGDANWEIHEJIANSHEDANWEIDEZHIJIANRENYUANGONGTONGQUEDING。

6、GUANDAOHANFENGDESHEXIANZHAOXIANGJIANYANSHULIANGFUHEXIALIEGUIDING:

(1)GUDINGHANKOUBUSHAOYUHANFENGZONGSHUDE 10%,ZHUANDONGHANKOUBUSHAOYUHANFENGZONGSHUDE 5%,SANJIHEGE。

(2)TAOGUANNEIDEGUANDAOHANKOUTANSHANGSHULIANGWEI 100%,ERJIHEGE。

(3)QIYUHANFENGZUOZHESETANSHANG。

7 SHEJIWENJIANMEIYOUGUIDINGJINXINGSHEXIANZHAOXIANGJIANYANDEHANFENG,ZHIJIANRENYUANYINGDUIQUANBUHANFENGDEKEJIANBUFENJINXINGWAIGUANJIANCHA,QIZHILIANGFUHE GB50236-98ⅢJI。DANGZHIJIANRENYUANDUIHANFENGBUKEJIANBUFENDEWAIGUANZHILIANGYOUHUAIYISHI,YINGZUOJINYIBUJIANYAN。

JIU、HANFENGFANXIU

1、DANGJIANYANFAXIANSHIFENGQUEXIANCHAOCHUSHEJIWENJIANHEGUIFANGUIDINGSHI,BIXUJINXINGFANXIU,HANFENGFANXIUHOUYINGANYUANGUIDINGFANGFAJINXINGJIANYAN。

2、DANGCHOUYANGJIANYANWEIFAXIANXUYAOFANXIUDEHANFENGQUEXIANSHI,ZEGAICICHOUYANGSUODAIBIAODEYIPIHANFENGYINGRENWEIQUANBUHEGE;DANGCHOUYANGJIANYANFAXIANXUYAOFANXIUDEHANFENGQUEXIANJIN,CHUFANXIUGAIHANFENGWAI,HAIYINGCAIYONGYUANGUIDINGFANGFAANXIAYUANDANGUIDINGJINYIBUJIANYAN。

3、MEICHUXIANYIDAOBUHEGEHANFENGYINGZAIJIANYANLIANGDAOGAIHANGONGSUOHANDETONGYIPIHANFENG。

4、DANGZHEILIANGDAOHANFENGJUNHEGESHI,YINGRENWEIJIANYANSUODAIBIAODEZHEIYIPIHANFENGHEGE。

5、DANGZHEILIANGDAOHANFENGCHUXIANBUHEGESHI,MEIDAOBUHEGEHANFENGYINGZAIJIANYANLIANGDAOGAIHANGONGDETONGYIPIHANFENG。

6、DANGZAICIJIANYANDEHANFENGJUNHEGESHI,KERENWEIJIANYANSUODAIBIAODEZHEIYIPIHANFENGHEGE。

7、DANGZAICIJIANYANYOUCHUXIANBUHEGESHI,YINGDUIGAIHANGONGSUOHANDETONGYIPIHANFENGQUANBUJINXINGJIANYAN。

8、DUIBUHEGEHANFENGDEFANXIU,FANXIUQIANYINGJINXINGZHILIANGFENXI,DANGTONGYIBUWEIDEFANXIUCISHUCHAOGUOLIANGCISHI,YINGZHIDINGFANXIUCUOSHIBINGJINGHANJIEJISHUFUZERENSHENPIHOUFANGKEJINXINGFANXIU。BUHANGONGYIYINGYUYUANHANFENGGONGYIXIANGTONG。