船用空調(diào)通風(fēng)安裝工藝規(guī)范

1、船用空調(diào)通風(fēng)系統(tǒng)安裝施工工藝規(guī)范INSTALLATION AND CONSTRUCTION TECHNICAL RULESFOR MARINE AIR CONDITIONER & VENTILATION SYSTEM一、概述：General空調(diào)及通風(fēng)系統(tǒng)中需要采用預(yù)隔熱螺旋風(fēng)管、單層螺旋風(fēng)管、鍍鋅薄板矩形風(fēng)管、板材焊接風(fēng)管（鋼質(zhì)風(fēng)管）及通風(fēng)附件等，根據(jù)設(shè)計要求，落實風(fēng)管及附件規(guī)格型號、數(shù)量，采用螺旋風(fēng)管、鍍鋅方風(fēng)管或板材焊接風(fēng)管，嚴(yán)格按風(fēng)管制作工藝和規(guī)范要求執(zhí)行生產(chǎn)安裝。The air conditioner and ventilation system shall adopt the

2、 pre-insulated spiral air duct, single layer spiral air duct, galvanized sheet rectangle air duct, plate welded air duct (steel air duct) and ventilation accessories etc. According to the design requirements to determine the type and quantity of air duct and accessories, and select the suitable air

3、duct, i.e. spiral air duct, galvanized sheet square air duct or welded air duct. According to the relative constructure technical rules to manufacture and install.二、施工程序：空調(diào)工程 A/C PROJECT風(fēng)管制作、吊裝 AIR DUCT FABRICATE AND LIFT空調(diào)設(shè)備安裝、空調(diào)管道和工藝管道安裝INSTALL A/C UNIT, A/C PIPE AND PROCESS LINE風(fēng)管、空調(diào)管道和工藝管道清洗CLEA

4、N AIR DUCT, A/C PIPE AND PROCESS LINE風(fēng)管漏光檢查 LIGHT LEAK TEST OF DUCT空調(diào)管道和工藝管道試壓PRESSURE TEST OF A/C PIPE AND PROCESS LINE單機調(diào)試 COMMISSIONING OF SINGLE UNIT風(fēng)管保溫、工藝管道保溫INSULATION OF AIR DUCT AND PROCESS LINE風(fēng)管空吹 EMPTY BLOW AIR DUCT工程驗收 PROJECT ACCEPTION空調(diào)系統(tǒng)測試、產(chǎn)品測試TEST A/C SYSTEM, TEST PRODUCTS三、風(fēng)管制作 Man

5、ufacture the air duct (1) 鍍鋅矩形風(fēng)管 Galvanized rectangle air duct鍍鋅矩形風(fēng)管連接可采用翻邊、鉚接和焊接，風(fēng)管與角鋼法蘭連接時，風(fēng)管壁厚小于1.5mm，一般采用翻邊鉚接，翻在法蘭的外側(cè)，用角尺靠在風(fēng)管的縱向折角邊上，使風(fēng)管中心線與法蘭平面保持垂直，翻邊的尺寸應(yīng)為6-9mm。法蘭用料規(guī)格較小的可取上限值，規(guī)格較大的取下限值，防止翻邊卡住螺孔，影響組裝，咬口重疊處，翻邊時應(yīng)將突出部分鏟平，同時四角不應(yīng)出現(xiàn)豁口，以免漏風(fēng)，鉚釘距離不可大于120mm。Connection of rectangle air duct the flanging,

6、rivet jointing and welding can be adopted, the connect the air duct and angle steel flange, when the thickness of air duct is less than 1.5mm, generally, flanging and rivet jointing can be adopted, at first the air duct shall be turned over the outside of the flange, and the center of air duct and t

7、he surface of flange shall keep vertical measured by the set square, dimension of the folded selvedge is 6-9mm. If the dimension of flange is small take the upper limit, if it is big take the lower limit value, do not block the bolt holes to affect the installation of air duct, the overlap shall be

8、smooth, and the four angles shall be tight, the distance between rivet shall not more than 120mm.(2)螺旋風(fēng)管 Spiral air duct螺旋風(fēng)管是由寬135mm、厚0.5的鍍鋅鐵皮，采用自動化機械將之卷成螺旋狀，風(fēng)管輕、厚度薄、強度高。該風(fēng)管可增加風(fēng)管強度與韌性，氣密性極佳，風(fēng)速強、磨擦損失小。內(nèi)管可以采用沖孔板制成，中間保溫材料采用厚12.5mm的巖棉，外層再以螺旋風(fēng)管被覆在保溫材料上。The spiral air duct is made by galvanized iron sheet

9、 (width 135mm, thickness is 0.5mm), the air duct the advantage of light, thickness and high strength. This kind of air duct has strong toughness, fine air tihgtness, high speed and less friction loss. The inner tube is made by orifice plate and middle of the air duct adopts 12.5mm rock cotton for in

10、sulating, and then coated spiral air duct to the insulation material.送風(fēng)管的安裝，先由工廠樣臺綜合放樣，確定其布風(fēng)器的安裝位置，然后根據(jù)放樣結(jié)果由工廠繪制施工安裝圖。安裝時，圓風(fēng)管用砂輪切割，用其它工具切斷時，切口要用砂輪磨平，不能把異物遺忘在管內(nèi)。連接布風(fēng)器的軟管，最好外包20-30mm厚泡沫橡膠或陶瓷棉。Installation of blast pipe: at first it shall loft by manufacturer to determine the install position of ventil

11、ation terminal then the manufacturer will made the installation drawing according to the lofting results. When install the air duct, the circle air duct shall be cut by grinding wheel, if it is cut by other tools the kerf shall be ground by grinding wheel, do not loose the impurity in the pipe. The

12、soft pipe for connecting the ventilation terminal shall be coated with 20-30mm foam rubber or refractory wool.(3) 焊接風(fēng)管 Welded air duct機械、機艙通用采用焊接風(fēng)管，其焊接風(fēng)管按照圖紙的要求選用材料進行預(yù)制。Generally the mechanical and engine room adopt the welded air duct which shall be prefabricated according to the relative drawing.根

13、據(jù)各類風(fēng)管的技術(shù)要求，選用相應(yīng)厚度的板材，按照圖紙的尺寸進行下料、刀角。According to various technical requirements of each kind of air duct to select the suitable plate, then lay off according to the drawing.焊接前必須清除焊接端口處的污物、油跡、銹蝕，角用點焊或縫焊時，還需清除氧物化。對口應(yīng)保持最小的間隙。焊接過程中，根據(jù)板材的厚度掌握好焊絲直徑和電流強度、電弧電壓及焊接速度。手工點焊定位處的焊瘤應(yīng)清除，焊接后，應(yīng)將焊縫及其附近區(qū)域的電焊溶渣及殘留的焊絲清除

14、。Before welding the end side of the products shall be cleaned, such as dirty, oil trace, dust shall not be found, when spot welding or seam welding is adopted for the angle the oxide shall be cleaned out. The space of butt joint shall keep less. During welding the air duct shall according the thickn

15、ess of plate to select correct welding wire, current, voltage and speed. After welding the welding seam and around shall be cleaned such as slag and remain welding wire etc.焊接接頭型式如下：Welding joint as the following:四、工件表面處理： Surface treatment of workpiece鋼板件磷化處理Phosphating of steel plate1、磷化前的處理： Befo

16、re phosphating(1) 工件的機械加工、成型、焊接和打孔，應(yīng)在磷化前完成。 Before phosphating the machine work, forming, welding and drilling etc. shall be completed.(2) 各種工件其表面應(yīng)無毛刺、銳邊、焊渣、飛濺、金屬屑、沾附特等影響處理質(zhì)量的污物。The surface of each working piece the burrs, sharp edge, welding spatter, splash, grit and bur etc. shall not be found.2、磷

17、化池可同時完成除油、除銹、磷化、鈍化四道工序，其主要性能指標(biāo)如下： Phosphatisation tank can finish four steps i.e. oil removal, rust removal, phosphating and passivation, the main function index as the following:外觀Appearance透明液Transparent liquidPH2總酸度(點)Total acidity (point)420-480游離酸度點Free acidity point210-240比重Specific gravity1.0

18、9±0.02Fe含量Fe content45g/L干燥時間Drying time2h-4h3、處理液處理： Treatment of treating liquid(1) 處理方法：采用浸漬處理，將工件浸入槽液中，工件較大時，可以翻動處理； Treating method: The workpiece shall be immerged to the liquid, if the workpiece is larght it can be turned;(2) 處理時間：由現(xiàn)場根據(jù)下列因素靈活掌握： Treating time: The treating time can be de

19、cided according to the fact at the scene.· 工件表面狀況 Surfaction condition of workpiece· 環(huán)境溫度Environment temperature· 處理液新舊程度 New or old class of treating oil· 按用戶要求，予設(shè)處理層厚度 According to users requirements to set the thickness of treatment layer· 處理時間一般為2-8小時。特別要注意避免浸漬時間過長，以免磷化膜

20、晶粒粗大和產(chǎn)生氫脆。 Treating timing is about 2-8 hours. Especially pay attention to emerging time of workpiece, for avoiding brings hydrogen embrittlement.(3) 對板狀工件，不得以重疊的方式置于處理液中，而應(yīng)隔開50-100mm，以保證工件表面有充分的機會與處理液接觸，從而保證處理質(zhì)量。 Refer to the plate it shall not be emerged in the treating liquid overlapped, the dist

21、ance between the plates shall be kept 50-100mm, so that the treating quality can be ensured.(4) 工件出槽前應(yīng)注意液面層油污狀況，必要時應(yīng)除去油污，以免工件出槽時油污粘在工件表面。Before take out the workpiece from the liquid pay attention the the surface of liquid, if the liquid surface is dirty it shall be cleaned for avoiding pollute the

22、treated workpiece.(5) 工件出槽后，用自來水沖干凈表面驃質(zhì)及磷化液殘留，置于通風(fēng)處自然干燥或進行烘干，干燥后的工件應(yīng)在16小時內(nèi)進行防銹處理。After the workpiece is taken out from the liquid it shall be flushed by tap water, the put it on the ventilation area for natural seasoning or dried by tools, after the workpiece is dried it shall be dusted within 16 ho

23、urs.五、空調(diào)風(fēng)管系統(tǒng)施工安裝 Installation and construction of air duct system of A/C5.1 準(zhǔn)備工作 Preparatory work風(fēng)管系統(tǒng)安裝前，應(yīng)進一步核實風(fēng)管及送回(排)風(fēng)口等部件的標(biāo)高是否與設(shè)計圖紙相符，并檢查結(jié)構(gòu)預(yù)留的孔洞，預(yù)埋件的位置是否符合要求，并將預(yù)制加工的支(吊)架風(fēng)管及部件運至施工現(xiàn)場，根據(jù)工程量大小分段進行安裝。Before install the air duct system, check the elevation of each part of air duct and blast (exhaust)

24、air port whether it is according to the drawing, and check the holes and embedded parts whether it can satisfy the requirements, then transport the prefabricated supporter (hanger) of air duct and parts to the scene.5.2 支、吊架安裝的注意事項 Installation notice of supporter, hanger支、吊架安裝是風(fēng)管系統(tǒng)安裝和第一工序，支、吊架的形式應(yīng)據(jù)

25、風(fēng)管截面的大小及工程具體情況選擇，吊架必須符合設(shè)計及國家標(biāo)準(zhǔn)圖要求。Install the supporter and hanger of air duct system it the first step, the type of supporter, hanger shall be selected according to the size of air duct and the station of project, the hanger shall according to design drawing and national standard drawing.對于保溫風(fēng)管，由于選

26、用的保溫材料不同，其風(fēng)管的單位長度和重量不相同，支、吊架間距應(yīng)符合設(shè)計要求，矩形保溫風(fēng)管的支、吊、托架宜設(shè)在保溫層外部，不得損壞保溫層，風(fēng)管的安裝標(biāo)高，對于距形風(fēng)管是從管底標(biāo)起，為保持風(fēng)管的水平，托架的標(biāo)高應(yīng)按變徑的尺寸相應(yīng)提高風(fēng)管的安裝。Refer to the insulated air duct, the unit length and weight of air duct will different because various insulation material, the distance between supporter, hanger shall satisfy the

27、 design requirements. The supporter, hanger and bracket for the rectangle insulated air duct shall be on the outside of the insulation material do not damage the insulation layer, about the installation elevation of the rectangle air duct is calculated from the base of the pipe, for keeping the air

28、duct level, the elevation of bracket shall be calculated according to the relative air duct.施工現(xiàn)場已具備安裝條件時，應(yīng)將預(yù)制加工的風(fēng)管、部件按照安裝的順序和不同系統(tǒng)運至施工現(xiàn)場，再將風(fēng)管和部件按編號組對，復(fù)核無誤后即可連接和安裝。When the construction scene is ready for installing, the prefabricated air duct and parts shall be transported to the scene according to t

29、he installation step and various systems; then numbered the air duct and parts, after that connect and install the air duct.風(fēng)管在安裝前，應(yīng)對安裝好的支、吊、托架進一步檢查位置是否正確，是否牢固可靠，根據(jù)施工方案確定吊裝方法按先干管后支管的安裝程序進行吊裝，吊裝過程中應(yīng)注意下列問題：Before install the air duct, check the location of the installed supporter, hanger and bracket,

30、whether they are fastness, according to the construction program to determine the lifting method, during lifting the following problems shall be noted:(1) 水平風(fēng)管安裝后的不水平度允許偏差每米應(yīng)不大于3mm，總偏差不應(yīng)大于20mm，垂直風(fēng)管安裝后有不垂直度的允許偏差每米應(yīng)不大于2mm，總偏差不應(yīng)大于20mm。風(fēng)管沿鋼板壁走時，管壁到鋼板壁至少保留150mm的距離，以擰法蘭螺絲。Non-levelness of flat air duct sh

31、all not more than 3mm per meter, and the total warp shall not more than 20mm, nonperpendicularity of vertical air duct shall not more than 2mm per meter, the total warp shall not more than 20mm. When the air duct along with the wall of steel plate the distance between tube well and wall shall keep 1

32、50mm at least for screwing the screw of flange.(2) 法蘭墊料宜采用3-5mm橡膠板，連接螺絲應(yīng)加鋼制墊圈。 Packing of flange shall adopt 3-5mm rubber plate, and the connecting screw shall be provided with steel washer.(3) 風(fēng)管穿鋼板時應(yīng)有防護套管。 When the air duct through the steel plate, it shall be provided with the protection sleeve.(

33、4) 支管的重量不得由干管承重。 The weight of branch pipe shall not beared by main pipe.(5) 管道上所用的金屬附件，應(yīng)按設(shè)計要求做好防腐處理。 The metal accessories on the pipeline shall be anticorrosioned according to the design requirements.5.3 空調(diào)螺旋通風(fēng)管安裝程序Installation procedure of spiral ducts空調(diào)螺旋通風(fēng)管安裝都在分段預(yù)裝。船體各分段經(jīng)噴砂除銹處理后進行涂裝，報驗合格后才可安裝螺旋

34、風(fēng)管。Spiral ducts of should be installed in the block installation phase .spiral ducts can be installed when check is finished after spray sand, get rid of rust and painting螺旋風(fēng)管連接形式及裝配要求：Connection and assembling requirement of spiral ducts1）螺旋風(fēng)管下料時要軸向切割；Material should be cut along the axis2）螺旋風(fēng)管的端口要

35、去除菱角和毛刺，避免安裝時損壞密封圈；Ports of spiral ducts should be wiped off burr to avoid damaging gaskets3）橡膠密封圈要完好無損并正確地套在凹槽位置；Rubber gaskets should be undamaged and hitch the groove4）螺旋風(fēng)管連接附件的兩側(cè)若需要時可用鉚釘或自攻螺絲固定；The side which connect to accessory can be fixed by rivets or screw bolts if necessary5）螺旋風(fēng)管和附件連接處除了用鉚

36、釘和自攻螺絲固定外還要用鋁鉑膠帶包扎密封。Besides rivets or bolts, wrap with aluminium-foil around connection to be airproof螺旋風(fēng)管安裝節(jié)點Installation nodes of spiral ducts1）螺旋風(fēng)管接到靜壓箱或矩形風(fēng)管如下圖：Spiral ducts connect to static pressure box or rectangular ducts shown in the following drawings2）一根螺旋風(fēng)管上開90度支管并在另一根平行的螺旋風(fēng)管上面經(jīng)過如下圖：A sp

37、iral duct opened a brench duct up it, and pass the other duct shown in the following drawings3）穿艙件通過大梁或艙壁如下圖：Penetration pieces traverse beams or cabin wall shown in the following drawings風(fēng)管通艙件形式及長度如下表：Mode and length of penetration pieces of spiral ducts shown in the following table風(fēng)管穿越截面范圍（A）area

38、of cross section (A)風(fēng)管類型duct type穿艙件penestration piece穿過AB級分割區(qū)cross AB area其它other備注mark代號code長度（mm）lenght（mm）代號codeA<0.02m2矩形風(fēng)管rectangular ductDS200PD非絕熱螺旋風(fēng)管uninsulated spiral ductG200PD預(yù)絕熱螺旋風(fēng)管insulated spiral ductPG200PDA0.02m2矩形風(fēng)管rectangular ductDL900PD非絕熱螺旋風(fēng)管uninsulated spiral ductGL900PD預(yù)絕熱螺

39、旋風(fēng)管insulated spiral ductPGL900PD技術(shù)要求：Technology requirement：1）900mm長的通艙件應(yīng)均勻分布在艙壁兩側(cè)，各450mm長。Penetration pieces which is 900mm long should be set beside the wall equally, either side 450mm2）防火絕緣用同樣的材料敷設(shè)在通艙件分割區(qū)兩側(cè)延伸450mm。Lay the same insulation material 450mm extending beside the devided area of penetra

40、tipn pieces注意：30000噸多用途船的風(fēng)管穿越A級，B級艙壁或甲板的貫通件按全船“防火結(jié)構(gòu)圖”Note: The air duct of 30,000T multi-purpos vessel through A or B bulkheat or the penetration pieces shall be according to the “firproofing structural drawing”.4）空調(diào)風(fēng)管與布風(fēng)器的連接如下圖：Spiral ducts connect to cabin unit shown in the following drawings5）非絕熱

41、螺旋風(fēng)管與抽風(fēng)頭的連接如下圖：Uninsulated spiral ducts connect to exhaust nozzle shown in the following drawings螺旋風(fēng)管吊架Suspension clamps of spiral ducts1）螺旋風(fēng)管吊架安裝形式如下圖：Installation mode of suspension clamps shown in the following drawings2）螺旋風(fēng)管吊架表：Table of suspension clamps of spiral ducts 5.4 鋼質(zhì)通風(fēng)管安裝程序Stainless du

42、ct installation procedure鋼質(zhì)通風(fēng)管安裝都在分段預(yù)裝。在分段階段，船體各分段經(jīng)噴砂除銹處理后，進行涂裝，報驗完畢后才可以進行風(fēng)管等鐵舾件的預(yù)裝，原則上所有的風(fēng)管等都在分段內(nèi)預(yù)裝，分段和分段之間合攏管在分段合攏結(jié)束再安裝。Install duct on block we must spray sand and get rid of rust, then we can do some painting work. After finishing above work, we can install some outfittings in subsection item, g

43、eneral situation:air-condition duct, stainless duct galvanized duct, duct support, the other ventilation outfitting before vertical loading the block of hull and joining of fabricated section. 各分段通風(fēng)管安裝應(yīng)根據(jù)相應(yīng)分段風(fēng)管安裝圖，風(fēng)管（支架）加工零件圖和材料清單來組織安裝，檢查風(fēng)管等附件標(biāo)高是否與圖紙相符，甲板艙壁上開孔是否符合要求。Installing duct in every block sh

44、ould be reference for duct installation drawing, support manufacturing drawing, part list. Check the quality of duct; insure hole on the hull correctly 風(fēng)管支架定位風(fēng)管定位（通風(fēng)附件）風(fēng)管連接密封Place supportinstall duct(outfitting) connect duct 風(fēng)管支架安裝是風(fēng)管安裝的第一道工序。支架形式應(yīng)根據(jù)風(fēng)管截面大小及分段具體情況選擇，但必須符合設(shè)計圖紙或國家標(biāo)準(zhǔn)。風(fēng)管支架無特殊要求時，應(yīng)符合以下要求：

45、Installing support is the first step of duct installation. According to area of duct or site situation and GB, to choose which type of the duct. If no special reqirements of duct, we must obey these rules: 水平安裝的矩行風(fēng)管長邊小于400mm，其支架間距不超過3m，大于或等于400mm，其支架間距不超過2m。If longer side400mm(horizontal installatio

46、n), the distance of support3 m;If longer side400mm(horizontal installation), the distance of support2 m;垂直安裝的風(fēng)管支架間距為3m，并在每根立管上設(shè)置不少于兩個固定件。If the distance of support 3m(vertical installation), each duct should have more than two support.風(fēng)管支架定位應(yīng)根據(jù)風(fēng)管安裝標(biāo)高來定，對于矩形風(fēng)管，它有風(fēng)管上標(biāo)高和下標(biāo)高兩種標(biāo)高；圓形風(fēng)管是以風(fēng)管中心作為標(biāo)高尺寸。The pos

47、ition of duct supporter shall be positioned according to installation elevation, refer to the rectangle air duct which has upper elevation and low elevation of air duct, the center of circle air duct can as the elevation.風(fēng)管支架吊桿通常焊接在橫梁或扶強材上，如焊接在甲板上時應(yīng)加復(fù)板。Supports are usually welded on beam or construc

48、tion but if welded on deck, plus compound plate.注意：30000噸多用途船的吊架要求帶復(fù)板并熱鍍鋅處理Note: The hanger for 30,000T multi-purpose vessel shall be provided with compound plate and shall be hot galvanized.風(fēng)管安裝：Connect installation施工現(xiàn)場具備安裝條件時，應(yīng)將預(yù)制加工好的風(fēng)管和附件按照安裝圖順序和不同系統(tǒng)運至現(xiàn)場，風(fēng)管和附件應(yīng)按照系統(tǒng)圖順序編號，并按編號順序進行安裝。1、風(fēng)管連接Connect d

49、uct 風(fēng)管安裝應(yīng)按照安裝圖要求進行，風(fēng)管安裝都在分段內(nèi)安裝，風(fēng)管之間和風(fēng)管與附件之間連接大多采用法蘭連接，連接的法蘭與法蘭之間應(yīng)墊上一層阻燃橡膠墊兩圈直徑5mm密封橡膠繩；也有用套管連接和對接焊連接形式，如下圖。另外在分段與分段之間設(shè)有合攏管，合攏管應(yīng)在分段合攏后才可安裝連接。Duct should be installed according to installation drawing, mostly the duct install in block, connect by flange, the 5mm rubber rope between each duct; or thimb

50、le joint and welding joint. Install assembling duct between each block.A法蘭連接Connecting flange注意：30000噸多用途船的貨艙風(fēng)管法蘭按CB/T64-99設(shè)置Note: Air duct flange of 30,000T multi-purpose vessel shall according to CB/T64-99.B套管連接Thimble jointC對接焊連接Welding connection注意：30000噸多用途船的3、4號貨艙的濕空氣風(fēng)管須從除理器開始傾斜引出。并在最低處開排水孔.No

51、te: The wet air duct for no. 3, 4 hold of 30,000T multi-purpose vessel shall be led form the processor aslant. And on the lowest of the duct shall be provided with a scupper.2、風(fēng)管安裝節(jié)點：Duct installation step風(fēng)管安裝前應(yīng)對安裝好的支架進行檢查，位置是否正確，是否牢固可靠，按照先主管后支管的安裝順序進行吊裝安裝。風(fēng)管穿艙壁時應(yīng)有通艙件，如下圖：Check support before instal

52、ling duct to insure whether it places on correct position and fastness. First, install main duct and then branch duct. The duct penetration drawing:A不帶復(fù)板的通艙件：Penetration without wall board:B帶復(fù)板的通艙件Penetration with wall board: 通風(fēng)管絕緣：Duct insulation1）通風(fēng)管絕緣應(yīng)用：Duct insulation appiy除了預(yù)絕熱螺旋風(fēng)管外的空調(diào)送風(fēng)管。Excep

53、t pre-insulation spiral duct 穿過空調(diào)處所的新風(fēng)管。Except fresh air duct 2）通風(fēng)管絕緣材料：Ventilation duct material 對A （1）、絕緣：25mm厚巖棉（密度：50kg/m）For A (1) insulation: 25mm rock wool(density: 50kg/m) （2）、表面層：0.5mm厚玻璃絲或0.5mm厚白鐵皮 (2) surface: 0.5mm glass cloth or 0.5mm galvanized steel對B （1）、絕緣：50mm厚玻璃纖維（密度：20kg/m）For B

54、(1) insulation: 50 glass cloth (density:20kg/m) （2）、表面層：0.5mm厚鋁鉑或0.5mm厚白鐵皮 (2) surface: 0.5mm aluminium platinum or 0.5mm galvanized steel注意：矩形風(fēng)管絕緣定位方法 （1）、寬度為300mm以上：絕緣碰釘包扎（傾斜300mm） width300mm:insulation ping(oblique 300mm) （2）、寬度為300mm以下：粘合劑包扎 width300mm:bond3）通風(fēng)管防火絕緣Ventilation fire insulationA、通

55、風(fēng)管防火絕緣應(yīng)用Ventilation duct fire insulation apply（1）穿過居住艙室的廚房通風(fēng)管Penetration for galley（2）除廚房過道外穿過廚房的通風(fēng)管Penetration for corridor outside galley（3）穿過A-60防火分割且不設(shè)有防火風(fēng)閘的風(fēng)管No fire damper on the duct through A-60 wallB、通風(fēng)管防火絕緣應(yīng)用材料Duct fire insulation material apply（1）絕緣：50mm厚礦棉（密度：120kg/m）Insulation: 50mm roc

56、k wool (density: 120kg/m) （2）表面層：0.5mm厚帶鋁鉑的玻璃絲或0.5mm厚的白鐵皮Surface: 0.5mm aluminium platinum with glass coat or 0.5mm galvanized steel注意：30000噸多用途船的3、4號貨艙濕空氣風(fēng)管須用25mm厚的外覆鋁箔層的巖棉氈絕熱包扎。Note: The wet air duct for no. 3, 4 hold of 30,000T multi-purpose vessel shall be insulated with 25mm rock wool with aluminum foil.5.5通風(fēng)附件安裝程序Ventilation outfitting installation procedure通風(fēng)系統(tǒng)中通風(fēng)附件如百葉窗、菌形通風(fēng)筒、通風(fēng)柵、防火風(fēng)閘等，這些附件都連接在風(fēng)管中，但它們與風(fēng)管不同，安