船舶电装预制件制作及电缆贯穿件隔堵工艺Word文档下载推荐.docx

1、类型参数Type名称Name耐火等级Fireproofing grade使用场所siteAW1DMT-W水密式A-60级耐火电缆框DMT-W watertight grade A-60 fireproofing transitA-60，A-30，A-15舱壁bulkheadAW3DMT-W水密式A-0级耐火电缆框DMT-W watertight grade A-0 fireproofing transitA-0标记示例Signature:A W n型式序号fire-proof grade 无机型填料watertight A级水密耐火结构fire-proof mark制作双侧型耐火电缆框（灌注孔

2、和透气孔在舱壁两侧）的具体要求如下图2:一般情况下，选用如图2的耐火电缆框。Double side fireproof transit （perfusion hole and ventilate hole in two sides）, see: drawing 2:In generally, this kind of fire-proof transit will be priority used （see drawing 2）, 图 2 AW1，3 双侧型耐火电缆框若为保证电缆必要的弯曲半径，在某些特殊区域，可选用如图3的单侧型耐火电缆框（灌注孔和透气孔在舱壁同侧）。For keep the

3、 necessary bend radius, use the Fireproof transit of single side （ perfusion hole and ventilate hole be same side deck） in some special space. see drawing 3. 图3 AW1，3 单侧型耐火电缆框1.4耐火电缆筒Vertical fireproof transit表示方法为express:215AWn耐火电缆筒Vertical fireproof transitL长length B宽wide height高215mm-板厚thicknessn

4、耐火等级详见下表type number, see followed table电缆筒高度固定为the is fixed：215mm名称Name Fireproof classAW2DMT-W水密式A-60级耐火电缆筒DMT-W watertight grade A-60 Fireproofing penetration 甲板deckAW4DMT-W水密式A-0级耐火电缆筒DMT-W watertight grade A-0 Fireproofing penetration制作具体要求如下图4：AW1、AW2型的电缆贯穿件的制作、安装要求同AW3、AW4型的贯穿件，只是在填料结束后，在船体包覆耐

5、火绝缘层的一侧包覆耐火绝缘毡。包覆厚度按舾装专业的防火绝缘布置图的相应要求来定，一般不低于40mm厚。Requirement as following drawing 4:Make and installation of AW1、AW2is same as AW3、AW4, after stuffing ,the difference is only covered fireproof insulation. The thickness not less than 40mm normally, the detail is according to fireproof insulation dr

6、awing.DRAWING 41.5电缆管 见下图5 Cable pipe （ see: drawing 5）.电缆管用镀锌钢管切割或弯制成，分直管和弯管两种，切口的毛刺及锐边打磨光滑。直管用于单根电缆的贯穿, 弯管用于多根电缆的贯穿。直管上口须根据电缆外径配相应尺寸的填料函。机舱或露天区域用热缩套管密封，其它区域用橡皮泥封堵。露天甲板的电缆管须配相应规格的套管以防腐蚀。Cable pipemade of galvanized steel tube, there are two types, one is straight pipe with gland for single cable, a

7、nother is goose neck pipe for multi-cables. The cut edge should been grinded to smooth. The tube stuff using thermal shrink tube in E/M or on open deck, for other area, the pipe should been stuffed plasticene.表示方法为Express: DGH -管子通径diameterH-高heightdrawing 51.6填料函见下图6Cable gland （ see: drawing 6）.单根

8、电缆需贯穿B-0级水密壁时,可采用填料函并加焊长100的钢管。Single cable passes through WT B-0 class bulkhead, the gland can be welded on 100 mm pipe.表示方法Express : TH X d TH-填料函Cable gland d-填料函尺寸dimension of glanddrawing 62.电缆支承件Cable support2.1扁钢支架 见下图7, Flat steel （ see: drawing 7）用相应规格的扁钢弯制而成，切口的毛刺及锐边打磨光滑，镀锌2030。It made of

9、smooth flat steel ,galvanized 2030 表示方法为Express: DB L or DB BL长length B宽wide H-脚高height 厚度thickness如L、H的值缺省，则相应代表扁钢长度为550、扁钢高度现场定If no showing the data of L and H, please refer to the followed table.TypeLBH155020现场定No requirement32404Drawing 62.2电缆托架Cable tray 制作托架的材料通常为钢质，且经镀锌防蚀处理 In general, mater

10、ial of cable tray is galvanized steel, and the material.电缆托架可分为单层托架和多层托架：Cable traydivide monolayer tray and Multi-layer tray： 表示方法为express: DZ LH 单层电缆托架 monolayer tray. L宽wide H-脚高high或or 2DZ LH 双层电缆托架 double layer tray L宽wide H-脚高high或or 3DZ LH 三层电缆托架 three layer tray L宽wide H-脚高high为便于船上安装，电缆托架一般

11、可在车间预制成，见下图7。Cable tray may be prefabricated in workshop for easy installation. See drawing7.电缆的U型托片之间的间距参照表确定。Space between of U-type tray refer to the followed table . 组装件底脚之间的距离要求 如下：Space between support as followed: DZ150 DZ300 900mm，DZ400 DZ800 1500mm多层托架：折算为单层托架后，再按相应要求确定规格 。For the selection

12、 for Multi-layer tray, please calculate to monolayer. Drawing 7电缆托架组合骨架及支脚的材料按下表来选择：Material of cable tray combination frame and support:电缆托架规格Cable tray type电缆托片规格Bracket组合骨架 framework支脚supportDZ150U-150Z-2U-2DZ200U-200DZ300U-300DZ400U-400Z-3L30X30 angle ironDZ500U-500DZ600U-600L45X45 angle ironDZ7

13、00UT-700 30X30 angle iron bracketL30X30DZ800UT-800 30X30 angle iron bracket3. 防火、水密隔堵Sealing 3.1使用橡皮泥、热缩套管using of plasticene, thermal shrink tube舱室内的电缆管使用橡皮泥进行封堵；机舱、露天甲板处的电缆管、填料函等的密封使用热缩套管，居住区域内电气箱上的填料函一般不须封堵。热缩套管施工工艺参照制造厂标准要求如下：Cable pipe in cabinet to be sealed with plasticene; cable pipe and cab

14、le gland in engine room and open deck to be sealed with thermal shrink tube, the cable gland on electrical panel no need seals in accommodation area normally. Technology of thermal shrink tube should be according to makers standard. of thermal shrink tube序号No.型号规格type缩前内径original dia缩后内径finally dia缩

15、前壁厚orig. thicknessRSG-30/83080.3RSG-40/1212RSG-50/1550150.35RSG-60/1860185RSG-702270220.46RSG-90/2790277RSG-100/301000.45RSG-110/3711037，可参照下表进行。The thermal shrink tube can be selected as the correlation table between cable gland and thermal shrink tube.电缆外径cable Out dia.填料函内径cable gland inner dia填料

16、函D尺寸d dimension of cable gland 安装后总外径total out dia aft fitting选用热缩套管Thermal shrink tube dia.5-7M1621.930/86-1213M2027.511-1516M271.536.940/1214-1819M3041.650/1517-2324M3647.322-2728M4253.260/1826-3334M4863.570/2232-4142M5675.090/2740-49M6480.7100/3048-5758M7292.4110/37 of Thermal shrink tube （1）根据上表

17、选择合适规格的热缩套管，通常所选热缩管收缩后的内径应小于电缆外径1mm以上，热缩管长度应大于要包覆长度的5-10%。Select the Thermal shrink tube according above table, the dimension of Thermal shrink tube should be smaller 1mm than cable out diameter normally, length of the Thermal shrink tube should be longer 5-10% than the cover length.（2）在要包覆的电缆部位的两端做

18、上标记，用干净抹布去除灰尘和污物。Marked the cable before seal, outer sheath of cable should be cleaned.（3）必要时可在预热后的电缆部位均匀缠绕上一层热熔胶带（厚度约为0.3mm左右），热熔胶带要压紧Preheating the outer sheath of cable, then wrap one layer thermal melt tape tightly （thickness about 0.3 mm） if necessary.（4）套好热缩套管，定位后用塑料焊枪或喷灯从热缩套管的中部开始沿园周方向加热使其均匀完

19、全收缩，然后由中间往一端逐步加热至完全收缩，端口有热熔胶溢出，一端收缩完全后，用同样的方法加热收缩另一端，注意加热时一定要沿园周方向移动，待完全收缩后依次向外扩展，以免产生皱折和气泡。After fit the thermal shrink tube, use the blowtorch to heat. Heating the middle part of thermal shrink tube at first, when it shrink uniformly, then heating from middle to one end, after thermal melt tape ex

20、travasation and shrink fully, then do the other end as the same way. The cable and tube should be move around during heating to avoid rumple and bubble.（5）热缩套管收缩后，再重复加热一遍，使表面光滑平整，整个加热过程要快速移动塑料焊枪。Reheating once again after shrink fully, during whole process, please move the blowtorch quickly to keep

21、the surface lubricity and to avoid temperature too higher.（6）在大、小头按连处，若尺寸相差过大或有尖锐角过渡，可在小头一端尺寸较小的热缩管，用第（5）条的方法先使其收缩好，再套上另一根热缩管。或用热熔胶缠绕紧，使其圆滑过渡，再套热管。For the reducer, if dimension discrepancy is too large or there is acuity corner transition, fitted one small dimension tube or thermal melt tape on the

22、small end at first, then use the big size thermal shrink tube cover the whole part.（7）若有弯角，应先从弯角处开始加热热缩管，使其先完全收缩后再向两边扩展。If there is bended corner, it should be heating thermal shrink tube from the bended parts, then extend to both sides.（8）待热缩管完全冷却后方可进行下一步操作，最好冷却时间在15分钟以上。After thermal shrink tube c

23、ooling fully, it can be done next operation; it is better the cooling time over than 15 minutes.3.2耐火电缆框（筒）的隔堵工艺Sealing Technical for fireproof penetration WorkingCheck the relative certificate of the materials.，可进行小样检验，取少量填料样品，按规定比例，将A、B二组份混合调匀，如产品一天内不固化，即为失效If you doubt the quality of the stuff, p

24、lease do the sample test, according proportion, mix part A and part B, if it can not solidify in one day, it must be no used. ，整理平直并保证清洁。 Finished the cable layout according the drawings , keep straight and cleaning.3.2.2 PD100膨胀堵料的施工Construction of PD100 caulking，先将防火电缆框两端或防火电缆筒下端填充膨胀堵料Before pour

25、the sealing slurry, please fit the expansion caulking at the end of penetration. For the fire-proof horizontal penetration, it is both end; or for the vertical penetration, it is only low end.，大的间隙可重叠堵塞，应使堵料与贯穿件端面相平，梳齿面必须向内放置，然后对膨胀堵料喷洒膨胀促进液，约法30分钟后即可封堵开口，灌注密封填料。Being under the construction, put PD10

26、0 caulking to the space between cables and transits, then spraying expansion liquid to the caulking, the caulking start expands and after 30 minutes, the space can be fully blocked, then it is possible to pour the sealing slurry. way of the DMT sealing sealing consists填料的配方包括A、B二个组份，A组份为粉料，B组份为溶液，A组份与B组份的调配比例为6：4（重量比），出厂时已按比例分别装于（A）（B）二个容器内，施工时只需将B组份溶液倒入粉料中调匀后便可使用。Sealing consists of A part （powder） and B part （solution）: usually the mixture ratio of A part to B part is 6:4. when it is dispatched from the factory, the sealing has been separately packed into two （A） （B） c