干燥机制作标准译本

1、干燥机制作标准Dryer Manufacturing Standard DMS1 第四版 Rev.41、目录 INTRODUCTION 1.1 焊接工艺 1.1 Welding Procedures 1.2 内部处理 1.2 Internal Finish 1.3 外部处理 1.3 External Finish2、总体要求 2 GENERAL REQUIREMENTS 2.1 总体制作要求 2.1 General Fabrication Requirement3、装配准备3 ASSEMBLY PREPARATION4、焊接工艺4 WELDING PROCEDURES5、清理工艺5 CLEAN

2、ING PROCEDURE 5.1 不涂漆设备 5.1 Non-Painted Equipment 5.2 涂漆设备 5.2 Painted Equipment6、包装与运输6 PACKAGING AND SHIPPING7、运输方式7 SHIPPING FORM8、数据与表格8 FIGURES AND TABLES 8.1 真角法兰准备 8.1 True Corner Flanges Preparation8.2 凸起法兰准备8.2 Raise Planges Preparation8.3 对接准备8.3 Butt Joint Preparsation8.4 全 V 字形准备8.4 Full

3、 “V” Preparation8.5 带肩 V 字形准备8.5 “V” Preparation With Shoulder8.6 搭接准备8.6 Overlap Preparation8.7 交叉焊顺序8.7 Stagger Weld Sequence8.8 内部焊道处理8.8 Inside Profile Finish8.9 角焊缝尺寸表8.9 Welding Filet Size Chart1、介绍 INTRODUCTION 本标准是对 Dedert 干燥机零件供应商和制造商的最低要求。This standard is a minimum requirement fro all Dede

4、rt suppliers and fabricators for dryer components.本标准 DMS 覆盖制造各方面内容如下：The DMS covers all general aspects of fabrication as follows: A、材料准备Material preparationB、对接准备与清理Joint preparation and cleaningC、装配技术Assembly technique D、焊接工艺与顺序Welding process and sequenceE、抛光技术Polishing techniqueF、清洁技术Cleaning t

5、echniqueG、准备与包装Preparation and packagingH、运输要求与批准Shipping requirements and approval本标准如下内容必须结合 AWS 或 CWB 标准阅读，包括与订单相关的附属文件。他们只能被工程图纸上的具体说明文件取代。如果不能遵照要求的规定和标准将要求供应商或制造商进行全面的质量审计。The manufacturing standards identified below must be read in conjunction with AWS or CWB standard, including all pertinent

6、documents relating to the formal Purchase Order. They can be superseded only by specific instructions documented on engineering drawings. Failure to adhere to the required specification and standard will result in a full quality audit performed at the premises of the supplier or fabricator.合适的干燥机制造标

7、准汇集由以下内部/外部处理决定，以及焊接工艺决定焊接汇集。见第 4 部分 “A 到 C”Selection of the appropriate Dryer Manufacturing Standard will be determined by the following internal/external finish and the welding selection from welding procedures. Section 4 “A to C”1.1 焊接工艺Welding ProceduresDMS1-A = 根据 GTAW 焊接，100%氩气保护DMS1-A= Welded

8、 by GTAW with 100% argon purgeDMS1-B = 根据 GTAW 焊接DMS1-B= Welded by GTAWDMS1-C = 根据 GMAW 焊接DMS1-C= Welded by GMAW1.2 内部处理Internal FinishDMS1-01 = 80 沙砾（全部焊道保留，机械刷清理）DMS1-01= 80 grit. (Mechanical brushing finish with complete profile remaining)DMS1-02 = 120 沙砾（磨焊道并保留 50%焊道）DMS1-02=120 grit. (Mechanica

9、l grinding finish with 50% of profile remaining)DMS1-03 = 160 沙砾（焊道磨平至最小 32 微米.英寸）与 Johns 交流时，Johns 建议 180 沙砾，基本上看不出焊道）DMS!-03= 160 grit. ( Mechanical grinding finish flush with a min.32 mic.inch finish)DMS1-04 = 100%氩气保护焊情况（只钝化）DMS1-04=100% argon gas purged application.( passivation only) 1.3 外部处理E

10、xternal FinishDMS1-05 = 0 沙砾 （只要求清理焊渣及飞溅）DMS1-05= 0 grit. (Require removal of flux and spatters only)DMS1-06 = 80 沙砾（全部焊道保留，机械刷清理）DMS1-06 = 80 grit. (Mechanical brushing finish with complete profile remaining)DMS1-07 = 120 沙砾（2 英寸亮带磨焊道并保留50%焊道）DMS1-07=120 grit.(2” tape in border mechanical grinding

11、with 50% profile remaining)2、总体要求GENERAL REQUIREMENTS1、 所有供应商必须有材料合格证及工厂测试报告。All suppliers must have all material certificates of compliances and mill tests available.2、 所有供应商都必须有 AWS，CWB 或 ASME 认证。All suppliers must be certified by AWS,CWB, or ASME.3、 随时检查所有焊接工人及他们的焊接证件。All welders and their weldin

12、g certifications will be readily available for examination.4、 所有的制造完全根据最新版的图纸。All fabrication will be completed to the latest drawing(s) revision.5、 订单附件只认为是临时版本。A purchase Order supplement will be considered as a temporary revision only.6、 Dedert 保留提前 24 小时通知检查的权力。Dedert reserves the right to perfo

13、rm inspection visits with 24-hour notice.7、 提前 10 个工作日提出检查要求并提交给 Dedert。An advance inspection notice of ten(10) working days is required and is to be submitted to the Dedert Inspection Department.2.1、总体制造要求 General Fabrication Requirement:A、 所有工作点及中心线都须永久打印并用黄色标记清晰标注，以便目视辨识。All working points and ce

14、nterlines will be permanently stamped and clearly circled with “yellow paint marker” for visual identification.B、 所有装配均须点焊，且点焊距离不超过 2 英寸，错边量不超过板厚的 25%.(板厚小于 1/4 英寸时)All assembly will be tack-welded to a distance not exceeding 2” long, with a miss-match of the skins not to exceed 25% of the wall thic

15、kness up to 1/4” plate.C、 5/16 英寸厚度及以上的板，错边量不超过板厚的20%。For 5/16” plate and more, miss-match will not exceed 20% of wall thickness.D、 主要焊接从内部完成，交错焊长度不超过 6 英寸，并且对面交叉。（见图 K）Primary weld will be accomplished from the inside with a stagger sequence not exceeding 6” long, and opposite to the last weld appl

16、ication.(See Figure “K”)E、 外部点焊必须打磨见到金属亮面，除去主要焊接时引起的污染及结晶。Outside tack-weld, sequence will be back-grinded to sound metal to remove all contamination and crystallization caused by primary weld application.F、 从外面完成的交叉二次焊长度不超过 6 英寸，并且对面交叉。（见图 K）Secondary weld will be accomplished from the outside with

17、 a stagger sequence not exceeding 6” long, and opposite to the last weld application.(See Figure “K”)G、 所有焊道处理决定于干燥机制造标准。All weld finishes will be determined by the DMS selection.H、 所有焊接必须遵循健全和完善的标准，无空隙，无侧壁融合，夹渣，污染，结晶，咬边，飞溅及变色。All welding applications must be of sound and structural criteria, free f

18、rom porosity, lack of sidewall fusion, inclusion, contamination, crystallization, undercut, spatter, and discoloration. I、 所有尺寸必须在下表公差范围内。All dimensions to be maintained within the following tolerances tables.公差表 TOLERANCE TABLE尺寸Size直线度Linear圆度Concentricity垂直度SquarenessB.C.D平面度Sheet Flatness0to 41/

19、16”1/8”1/16”1/16”3/8”4to 121/8”1/8”1/8”1/8”N/A12to 243/16”1/8”N/AN/AN/A24to 481/4”1/4”N/AN/AN/ADISTORTIONDISTORTION TOLERANCETOLERANCE TABLETABLEDistance长度1/8”Wall3.2mm 壁厚3/16”Wall4.8mm 壁厚1/4”Wall6.4mm 壁厚3/8”Wall9.5mm 壁厚1/2”Wall12.7mm 壁厚3/4”Wall19mm 壁厚0to 21/8”1/16”1/16”1/16”1/16”1/16”2to 41/8”1/8”1

20、/16”1/16”1/16”1/16”4to 81/4”3/16”1/8”1/8”1/8”1/8”8to123/8”1/4”1/4”3/16”3/16”1/8”12and UP3/8”3/8”3/8”3/8”1/4”1/4”3、装配准备ASSEMBLY PREPARATIONA、所有焊接边缘及接头在焊接前均做到无油，无脂，无漆，无异物及机械工具印记。All welded edges and joints will be free of oil, grease, paint, foreign material and mechanical forming tool marks, prior to

21、 any welding applications.B、在最终尺寸形成之前，所有的圆法兰和方法兰都必须和其指定的标准模版装配并焊接。All squares and round flanges must be assembled and welded with their specific bolting patterns, prior to final overall dimension set-up.C、所有设备从外面点焊然后从内部焊接以避免内部焊道的不规则。All equipment will be tack-welded from the outside and then welded

22、from the inside to avoid irregularity of the inside weld profile.D、所有设备的一端预整体尺寸允许有多余的材料，但此材料需要“真角”加工处理，即最终打磨成 90直角。（见图“A”和“B”）Extra material will be allowed on the pre-overall dimension to one end of all equipment that requires a “true corner” finish, which will permit the establishment at final gri

23、nding of a 900 true corner. (see Figures “A” and “B”)E、角钢“凸起法兰“凸出长度至少应为其焊接管壁得厚度，但不能超过焊接管壁的两倍。（见图“C”和”D”）Angle “raised flanges” will be raised to a minimum of the wall thickness that they are being welded to, and will not exceed twice in distance that same wall thickness. ( See Figures “C” and “D”)F、

24、除非图纸上有说明，每个法兰总成应从外面点焊，点焊位置在跳焊 2 英寸6 英寸的焊接 2 英寸范围内。Each flange assembly will be tack-welded from the outside, within the pre-established stitch-weld sequence of 2” -6” unless specified otherwise on the drawing notes.G、除非图纸上有说明，所有外部加强筋都要点焊，点焊位置在跳焊 2 英寸6 英寸的焊接 2 英寸范围内。All external stiffeners to be tack

25、-welded within the pre-establish stitch-weld sequence of 2”-6” stagger unless specified otherwise on the drawing notes.H、接口处所有焊缝都必须旋转 90 度，避免纵向焊缝连接。All welded seam at a connecting joint will be rotated at a minimum of 900 to avoid any mating of longitudinal seam welds.I. 所有工作点及中心线都须永久打印并用黄色标记清晰标注，以便

26、目视辨识。All working points and center lines will be permanently stamped and clearly circled with “yellow paint marker” for visual identification.说明 Note：对所有法兰，准备工作见图“A”，“B”，“C”和“D”。For all flanges, preparations see Figures “A”, “B”, “C”, and “D” 对所有焊接接头准备，见图“E”,“F”，“G”“H”“I”“J”和“K”。For all weld joint p

27、reparations, see Figures “E”,“F”，“G”,“H”“I”“J”and“K”。4、焊接工艺WELDING PROCEDURES说明 Notes：所有焊接边缘及接头在焊接前均做到无油，无脂，无漆，无异物及机械工具印记。All welded edges and joints will be free of oil, grease, paint, foreign material and mechanical forming tool marks, prior to any welding applications.所有焊缝成形高度不超过其壁厚的 50%。NoNo wel

28、d profiles should exceed 50% of their wall thickness.所有焊接必须遵循健全和完善的标准，等于或高于其母材材料，无空隙，无侧壁融合，夹渣，污染，结晶，咬边，飞溅，引弧及变色。All welding applications must be of sound and structural criteria , equal to or above the parent material, and free of porosity, lack of sidewall fusion, inclusion, contamination, crystall

29、ization, undercut, spatter, arc strike , and discoloration.为防止变形，图“J”和“K”所示交叉焊不能超过6 英寸。12 英寸的交叉焊适用于板厚 5/16 英寸及更厚的板。The stagger sequence shown on Figures “J” and “K” should not exceed 6”per section to avoid distortion. Stagger sequence of 12” will apply for 5/16 wall thickness and more.所有环绕角处的焊接必须是 1

30、 英寸*1 英寸的角焊缝焊接。All wrap around corners weld will be of a continuous weld filet of 1” x 1” minimum.只有在 GMAW 不适用的限制地方，才使用 SMAW，而且仅限于外部焊接。SMAW application will be used in restricted areas only where GMAW application is not accessible, and will be restricted to outside weld applications only. A、为获得完全渗透和

31、内壁边缘的完整熔化，内侧不能实现的 GTAW 应用应 100%氩气保护，？。使用不锈钢刷去掉所有杂物，然后继续焊接形成表面焊缝高度至少 1/16 英寸。不允许结晶（黑糖色）。AllAll GTAWGTAW applicationsapplications notnot accessibleaccessible fromfrom insideinside toto bebe purgedpurged with 100% argon gas to obtain complete penetration and full fusion of inside wall edges. Root pass

32、will be performed as per Figure “K” with tack-weld being feathered down at each end prior to welding application. A stainless steel wire brush application will be applied to remove all foreign debris, and then a Cap-off pass will be performed to reach a 1/16” minimum surface profile. No crystallizat

33、ion (black sugar) will be accepted.B、内部可实现的 GTAW 焊接不需要氩气，按照图“K”所示交叉焊焊接，然后打磨去除点焊点，所有结晶和杂物。外部的焊接同样如此。外部焊接另外采用GMAW。特别小心避免烧穿。不允许结晶（黑糖色）和烧穿。AllAll GTAWGTAW applicationsapplications accessibleaccessible fromfrom thethe insideinside to be welded without purge, with a stagger application as per Figure “K”,

34、and then back-grinded to remove tacking sequence, all crystallization and foreign debris. The same welding application will then be followed for the outside. An acceptable alternative for outside weld application would be GMAW. Special care should be taken to avoid burn through. No crystallization (

35、black sugar) and burn through will be accepted.C、所有 GMAW 焊接先从内部焊接，按照图“J”和“K”所示交叉焊接顺序。然后从外面焊接，接头处背面打磨除去所有点焊，结晶和杂物。外部焊接采用相同的交叉和焊接工艺。AllAll GMAWGMAW applicationsapplications will be applied first from the inside, following a stagger sequence as per Figures “J” and “K”. Then from the outside, the joints

36、 will be back-grinded to remove all tack-weld, crystallization, and foreign debris. The same stagger and welding procedure will be followed for the outside welding application.说明： 图“J”和“K”所示交叉焊不适用于机械焊接方法和 SAW（埋弧焊）。Note: Stagger sequence as per “J” and “K” is not applicable to mechanical welding proc

37、edure or SAW (Submerged Arc Welding) 5、清理工艺 CLEANING PROCEDURE 5.1 不涂漆设备 Non-Painted Equipment 1、用合适推荐的无污染不锈钢刷机械清理所有不锈钢表面。 All stainless steel surface finishes to be mechanically brushed with proper recommended uncontaminated stainless steel brush. 2、钝化仅适用于订单和图纸有要求的设备。 Passivation will be applicable

38、 only by purchase order or drawing requirement. 说明：所有中心线和工作点周围的黄色标记必须保留以便观察或清理后重涂。 Note: Indications in yellow paint marker surrounding all centerlines and working points must remain visible or be reproduced after cleaning process. 5.2 涂漆设备 Painted Equipment 说明：在涂漆前，所有碳钢 2 英寸6 英寸间断焊必须用耐 250 华氏度的胶嵌缝。

39、 Note: All carbon steel stiffeners with a 2”-6” stitch-weld sequence, will be caulked between stitches with a 2500F heat resistant caulking, before painting application. 1、外表面用手或机械清洗（SSPC-SP-2 和 3）去除油污，脂，灰尘，脏物及其他污染物。Outside surface preparation will be hand or mechanically cleaned(SSPC-SP-2 and 3) to

40、 remove all oil, grease, rust, dirt, and all other contaminants from the surface.2、一层干后 2.5mills 厚的（千分之一英寸）STEEL IT 聚氨酯系醇酸底漆 #2203。One(1) coat of STEELIT polyurethane system alkyd primer # 2203 to a (2.5 dry mills). 和 AND3、一层干后 2 mills 厚的（千分之一英寸）STEEL IT 聚氨酯面漆 #1002。One(1) coat of STEELIT POLYURETHANE FINISH # 1002 TO A (2.0 DRY MILL MINIMUM).4、所有内部低碳钢表面涂一层亚麻籽油。（炖两遍）