倉(cāng)房項(xiàng)目g90-2mw基礎(chǔ)段工藝

1、erEquipmentWeldingProcedureProductName：基礎(chǔ)段(Base ProductProjecterEquipmentWeldingProcedureProductName：基礎(chǔ)段(Base ProductProjectG90-78MProduct編制 審核 - 1 - 2 WELDSWPS PQR +X5CrNi18- - 2 WELDSWPS PQR +X5CrNi18-S355J2+N + No.:1WeldersmustcarefullyreadWPSbeforework，takeweldingmaterialacc.totheregulationsande

2、xecutethisprocedure220mmCarefullyclean up the oil, rust and dirt within 20mm on both sides of the groove and tower s be welded on both sides when longitudinal welding.3Controlthespaceofthegrooveand tack-weld. Checktheunfitness ofbuttjo grooves; run-on tab and run-off tab No.:1Weldersmustcarefullyrea

3、dWPSbeforework，takeweldingmaterialacc.totheregulationsandexecutethisprocedure220mmCarefullyclean up the oil, rust and dirt within 20mm on both sides of the groove and tower s be welded on both sides when longitudinal welding.3Controlthespaceofthegrooveand tack-weld. Checktheunfitness ofbuttjo groove

4、s; run-on tab and run-off tab Theambient temperature5,controlthetemperatureofweldingpath200;Weldingpathve higher nlower of preheat temperature and 200; Humidityshall be not over 80%, if the ambient humidityis over 80%, dehumidification treatment shall be taken with the way of using flame.5、采用碳弧氣刨進(jìn)行清

5、根時(shí)，刨槽中心偏離接頭中心線2mmWhen carbon arc gouging, the gouging groove center shall deviate from surfaceofthe center line2mm.Clean of root depth should be 6Cleanuptheweldingslag,grindthegouginggrooveanditsbothsidesuntilmetalliclustercomingout,weldafter744Keep welding material clean, no oil and rust on the sur

6、face of welding wire. Dry welding flux and rod strictly acc.to regulations, re-welding rod no n 2 times. Clean away er after using welding flux and add 3 times of new welding flux before Avoid gouging slag, welding slag, dust and other dirt o welding flux when using. Requirements on welding rod and

7、flux are follows.Weldrodandfluxafterdryingshallbeusedwithin4hourswhengetoutfromthedryingmachine,ifover4hours,re-dry；Manual electric arc welding shall be used on repair work of steel plate surface. Grind within 20mm on both sides and defects of the suntil metallic luster coming out. Clean up the weld

8、ing slag and spatter, grind the ition until the same to the tower ,inspectedbywelderto ensureManualelectricarcweldingshallbeusedon weldsrepair.Carbon arcgougingshallbeexecutedtogougearowofgrooveonof weld seam. Grinding the groove and within 30mm on both sides until metallic luster coming out. Clean

9、up the welding slag and Grind thejo sn repaired and originalweldsto ensurethejo itionisasmooth - 3 烘干溫度DryingDrying保溫溫度Holding22/1No.:ExaminerortestRNo. ： WPQR-SHTS- ：s/Partlymechanized+全機(jī)械化/Fully mechanized和Methodofpreparationandcleaning：Flamecutting（mm：39 diameter（mm：39Parentmaterial 焊材特殊烘干規(guī)定： Fil

10、lermetalclassificationandNo.:ExaminerortestRNo. ： WPQR-SHTS- ：s/Partlymechanized+全機(jī)械化/Fully mechanized和Methodofpreparationandcleaning：Flamecutting（mm：39 diameter（mm：39Parentmaterial 焊材特殊烘干規(guī)定： Fillermetalclassificationandtradename：details（Sketchlbakingor（：NTungstenelectrodeDetails of backing：Preheatt

11、emperature：Contacttube-to-workpieceDetailsofbackgouging：CarbonArcCuttingAndass（mm：135- 4 umwidthofrun)(mm)：135：noSizeoffiller metal TypeofTravel熱輸 入(外Outside tack welding using continuous welding；Inside welding,thenbackgougingforoutside； The welding speed will be up if current and voltage up.Gasflow

12、內(nèi)側(cè)筒筒蓋內(nèi)側(cè)筒筒蓋No.:ExaminerortestRNo. ： WPQR-SHTS- 和 （mm：39+28 diameter（mm：39+28 焊材特殊烘干規(guī)定： Fillermetalclassificationandtradename：detNo.:ExaminerortestRNo. ： WPQR-SHTS- 和 （mm：39+28 diameter（mm：39+28 焊材特殊烘干規(guī)定： Fillermetalclassificationandtradename：details（Sketchlbakingor（：NTungstenelectrodeDetails of backi

13、ng：Preheattemperature：Contact tube-to-workpiece distance：Detailsofbackgouging：CarbonArcCuttingAndass（mm：135umwidthof run)(mm)：135：no- 5 Sizeoffiller metal TypeofTravel熱輸 入定位(內(nèi)Inside tack welding using continuous welding；Outside welding,theninsidebackgouging.Adjustthe both sides welding sequence to c

14、ontrol the flange inner alignment.電流、電壓增加，焊接速度相應(yīng)增加。TheweldingspeedwillbeupifcurrentandvoltageGasflow筒上法蓋內(nèi)側(cè)1筒上法1蓋No.:工 ExaminerortestRNo. ： WPQR-SHTS-s：半機(jī)械化/Partlymechanized+全機(jī)械化/Fully mechanizedMethodofpreparationandcleaning：Flamecutting（mm：39+39 diameter（mm：39+39No.:工 ExaminerortestRNo. ： WPQR-SHTS

15、-s：半機(jī)械化/Partlymechanized+全機(jī)械化/Fully mechanizedMethodofpreparationandcleaning：Flamecutting（mm：39+39 diameter（mm：39+39 / Fillermetalclassificationandtradename： details（Sketchlbakingor（mm：N/ATungstenelectrodetype/size：N/ADetails of backing：Preheattemperature：Contact tube-to-workpiece distance：Detailsof

16、backgouging：CarbonArcCuttingAndass（mm：135umwidthofrun)(mm)：135：no- 6 Sizeoffiller metal TypeofTravel熱輸 入（外 Outside tack welding using continuous welding，Inside welding,thenbackgougingforoutside.Adjust the both sides welding sequence to control the flange inner alignment.電流、電壓增加，焊接速度相應(yīng)增加。Theweldingsp

17、eedwillbeupifcurrentandvoltageGasflow內(nèi)側(cè)內(nèi)側(cè)筒法蓋內(nèi)側(cè)筒底法12蓋No.:工 ExaminerortestRNo. ： WPQR-SHTS-：Welder，s name：X5CrNi18-和Methodofpreparationandcleaning：（mm：/Materialthickness/outsidediameter（No.:工 ExaminerortestRNo. ： WPQR-SHTS-：Welder，s name：X5CrNi18-和Methodofpreparationandcleaning：（mm：/Materialthickness/

18、outsidediameter（mm：/ParentmaterialFillermetalclassificationandtradename：details（SketchCrNi18-lbakingor（mm：N/ATungstenelectrodetype/size：N/ADetails of backing：Preheattemperature：Contacttube-to-workpieceDetailsofbackass（：N/Aumwidthof run)- 7 Sizeoffiller metal TypeofTravel熱輸 入1焊腳尺寸詳見(jiàn)設(shè)計(jì)圖。Detailinfo.for

19、WeldingfeetseedesignTheweldingspeedwillbeup ifcurrentandvoltageGasflow支筒體內(nèi)側(cè)支n1 筒體內(nèi)側(cè)ExaminerortestR： ：和Methodofpreparationandcleaning：Carbon （mm：/Materialthickness/outsidediameter（mm：/ FillerExaminerortestR： ：和Methodofpreparationandcleaning：Carbon （mm：/Materialthickness/outsidediameter（mm：/ Fillermetalclassificationandtradename：details（Sketchlbakingor（mm：N/ATungstenelectrodetype/size：N/ADetails of backing：預(yù)熱溫度： N/A Preheattemperature：Contacttube-to-workpieceDetailsofbackgouging：CarbonArcCuttingandass（mm：N/Aumwidthofrun)- 8 Sizeoffiller metal TypeofTr