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    国产在线精品一区在线观看_中文弹幕日产无线码一区_国产AV无码专区亚洲AV麻豆_亚洲色欲色欲欲WWW在线_天天躁日日躁狠狠躁日日躁

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    一.片式散熱器產品型號表示方法
     

     說明:使用環境代號,正常使用環境為I類,濕熱帶氣候使用環境為II類,
     沿海及重污染環境為III類,分別用I、II、III表示。
     Illustration: for environmental code, it is indicated by I, II and III. For common environment, use class I; for tropical rainy climate area, use class II;
     for coastal and heavy polluted areas, use class III. 
     
     
    二、.片式散熱器規格  Specification of finned radiators

     1  片式散熱器的寬度幾何尺寸(單位mm)310、480、520、535
    2  片式散熱器中心距尺寸(單位mm)     500~4200
    1.Eometric dimensions of finned radiators’ width (unit: mm): 310、480、520、535
    2.Entral distance of finned radiators (unit: mm): 500~4200
     

    散熱器上、下集油管頭端面與管接頭法蘭尺寸(單位mm)    
     Distance between the upper and bottom end surface of oil header of the radiator and fitting flange (unit: mm)

    管接頭法蘭 法蘭中孔直徑×數量
    法蘭型式 外形尺寸 安裝孔徑(節徑) 
    方法蘭 150×150 Φ160 Φ19×4
      Φ150 Φ24×4
    圓法蘭 Φ200 Φ160 Φ19×4
      Φ150 Φ24×4
       

    四、  允許偏差Allowable deviation

        1) 散熱器中心距允許偏差±1.0mm;
        2) 散熱器上、下集油管端面或管接頭法蘭密封面應在同一平面上,其平面度允許偏差不大于±2mm;管接頭法蘭密封面與集油管應垂直,其垂直度允許偏差不大于集油管長度的0.3%;
        3) 散熱器六面體的每一面兩對角線長度之差應不超過其對角線長度的0.3%;
     4) 散熱器的片間距離允許偏差小于±1.5mm,首、末片間累計偏差小于±5mm。
     1.For center distance of radiator: ±1.0mm;
     2.The upper and bottom surface of oil header or sealing surface for fitting flange should be in the same plane. The allowable deviation of 
        the flatness should not excess±2mm; The flange sealing surface should be perpendicular to the end surface of oil header. The allowable
        deviation of perpendicularity should be not over 0.3% of the oil header length;
     3.The length difference of the diagonal line on each surface for the radiator should not be over 0.3% of the length for the diagonal line;
     4.The allowable deviation of the distance between each radiator plate should be less than ±1.5mm and the accumulated deviation from 
        first to last plate should be less than ±5mm.
     
    五、散熱片的主要材質    Main materials of radiators

    1、鋼板材質選用:DC01、DC03型普通碳素鋼板材,符GB /T 5213標準相關要求或等同要求的其它板材(如
          SPCC、SPCD等);
    2、鋼板厚度:1.0mm、1.2mm;當中心距為3000mm及以上時,應選用1.2mm厚度;
    3、集油管管材質選用:Q215、Q235等牌號或更高性能的低壓流體輸送用焊接鋼管,符合GB/T 3091標準相關
         要求;和采用20牌號的輸送流體用無縫鋼管,符合GB/T 8163標準相關要求。集油管管徑為:Φ88.9mm(3 
         inch)x4mm和Φ114.3mm(4 inch)x4.5mm;
    4、法蘭材質選用Q235型A、B級鋼,低溫地區(-20℃)應使用B級或者更高要求的鋼材,符合JB/T 5213及相
          關標準的要求;
    5、表面防腐可使用:油性漆、水性漆、熱浸鋅、熱浸鋅+外漆;
    6、表面涂層的厚度:常規不小于80μm ,特殊厚度根據用戶要求。
    1.For steel pate: DC01 and DC03 plain carbon steel according to related requirements of GB/T 5213 or other plates accordant with 
       equivalent requirements (e.g. SPCC, SPCD and so on);
    2.For the thickness of steel plate: 1.0mm and 1.2mm; when the central distance is 3000mm or longer, then the thickness of 1.2mm should 
       be applied;
    3.For oil header: Q215, Q235 or welded steel pipe for low pressure service with higher performance which are accordant with related 
       requirements of GB/T 3091; and Grade 20 seamless steel pipes for liquid service which is accordant with requirements from GB/T 8163. 
       The bore diameter of oil header should beΦ88.9mm(3inch)x4mm or Φ114.3mm(4inch)x4.5mm;
    4.For flange, use Q235 steel with class A or class B; in low temperature area (-20℃), please use class B or higher performance steel which
       should be accordant with JB/T 5213 and related requirements;
    5.For surface anticorrosion: please select oil base paint, water paint, galvanizing, or galvanizing + finish coat;
    6.For the thickness of finish coat: normally should not less than 80μm. Special thickness should be made according to the requirements 
       from customers.


    六、檢測要求    Inspection requirements 

    1、外觀檢查:幾何尺寸及偏差符合技術要求;片式散熱器表面處理符合用戶對使用環境的要求。漆膜均勻、光
         澤、不應有脫皮、流痕、堆積。對鍍鋅表面,要求鋅層均勻、光澤,不應有鋅瘤等缺陷。
    2、內部沖洗效果檢測 :沖洗設備應符合工藝相關要求。沖洗過程應斷續進行,推薦正反向進行,間斷期間,用
          磁性搜索法清理不低于200目尼龍過濾袋中的雜質,直到連續沖洗40min后無雜質,并且沖洗完成后流出的變
          壓器油耐壓值不低于35kV。
    3、密封性能試驗:將散熱器上的放油(氣)塞座以及法蘭口進行有效密封,在放油(氣)塞或法蘭蓋板上設計
         并安裝專用的加氣裝置。在試驗過程中,當氣壓加至規定值后,將散熱器整體浸入水中,經適當搖晃散熱器
         排除空氣,靜置到規定時間后,仔細觀察有無氣泡產生并冒出,觀察的重點部位是各焊接處。
    4、漆(鋅)膜厚度檢驗:散熱器表面取五點,分別測量漆膜厚度,五點漆膜厚度的平均值應滿足客戶涂層技術
         條件要求。各點漆膜厚度與五點漆膜厚度平均值之間的相差不得大于10%。
    5、真空強度試驗:用真空計測量真空壓力,試驗時應逐漸提高真空壓力。應在不充油狀態下進行,絕對壓強不
         大于133Pa,持續時間不大于40h。
    6、散熱性能試驗:按JB/T5347的規定進行。
    7、壽命試驗:按JB/T5347的規定進行。
    1.For visual inspection: the geometric dimension and deviations should be accordant with technical requirements; the surface treatment
       of finned radiators should meet the environmental requirements from customers. The paint film should be uniform and has glaze. Peeling,
       flow mark or clad layers are not allowed. For the galvanized surface, it requires that the zinc coating should be uniform and have glaze
       without defects such as list edge.
    2.For the inspection of internal flushing: the flushing equipment should be accordant with related process requirements. The flushing
      process should be implemented with interruptions. It is recommended forward and backward flushing. During the interruption period,
      use the magnetic search method to clean over 200 mesh impurities in filter bag. Continuously flush 40 minutes until there is no impurity
       and pressure resistance &#118alue for the oil frm transformer is not less than 35KV.
    3.For sealing performance test: First effectively seal the radiator’s plug adaptor for oil (gas) discharging and flange end and then install
       special air charging device on the oil (gas) discharging plug or flange cover. During the test, first add pressure to regulated &#118alue and
       then immerse the radiator completely in water. After appropriate shaking to exclude air, keep it to the required time. Then check whether
       bubbles emerge or not esp. in each welding areas.
    4.For the inspection of painting (zinc) film thickness: take 5 points from the surface of radiators, and separately check their film
      thicknesses. The average &#118alue of above mentioned 5 points should reach the requirements from customers. The difference of film
       thickness between each point should not excess 10%. 
    5.For the vacuum strength test: Check the vacuum pressure by vacuum gauge. During the test, vacuum pressure should be increased
       gradually. This test should be applied under the situation without oil charging. The absolute pressure &#118alue should not be over 133Pa
       and the whole test duration is not more than 40h.
    6.For the test of heat dissipation performance: Implement according to JB/T534.
    7.For the test of service life: Implement according to JB/T5347.


    七、標志、包裝、運輸及儲存   Label, packing, transporation and storage

    1) 每臺產品標有:制造廠名、標準代號、產品型號、出廠序號、出廠日期。
    2) 每批產品附有:產品合格證、產品安裝使用說明書、出廠試驗報告。
    3) 根據用戶要求,對于220kV及以上變壓器使用的片式散熱器應在注入20kPa~30kPa的干燥空氣(露點-40℃以下)或高純氮氣條件下儲存和運輸。儲存時間不應超過6個月。
    4)包裝有木包裝、鐵架包裝。包裝牢固,端口處有防雨水措施。
    5)  不應在非吊裝位置吊取產品。
    6) 包裝及運輸捆綁時,捆綁繩索不應與片式散熱器的邊角直接接觸,不應疊放4臺以上。
    7) 片式散熱器在運輸擺放時,包裝間應有50mm以上的間距,產品之間在運輸中不應發生磕碰。
    1.Each product should be with label indicated manufacture name, standard no., product type, series code and production date.
    2.Each batch should be with product certificate, product installation and usage manual and final test report.
    3.According to customer requirements, for the finned radiator used on 220KV or above transformers, it should be input 20kPa~30kPa dry 
       air (dew point below -40℃) or high purity nitrogen during storage and transportation. The storage duration should not exceed 6 months.
    4.For package, there are two options: wooden or metal frame. Strong package and measurements for water proof at ends should be  
       applied.
    5.Hanging products should be made in lifting positions.
    6.When packing and bundling for the transportation, the hanging rope should not directly contact the edges of finned radiators. When 
       piling up, total quantity should not be over 4 sets. 
    7.During the transportation, when laying radiators, the distance between each package should be over 50mm to avoid the clash.

    八、安裝使用: Install and use:

    1、散熱器安裝前請去除集流管口端蓋;可拆式散熱器安裝時請按照上下集流管進行區分安裝。
    2、散熱器組間距請不要小于50mm,下集流管中心與地面應保持適當高度,以利于空氣對流。
    3、固定式散熱器安裝:根據集流管外徑尺寸及中心距尺寸在變壓器油箱側壁上開孔,將散熱器直接焊接在油箱外
         側,應在油箱外側施焊,切勿在內側施焊,以防焊渣等異物進入散熱器內部。
    4、可拆式散熱器安裝:
    (1)請按所選散熱器中心距尺寸、散熱器組間距尺寸及法蘭尺寸,在變壓器油箱上配接法蘭接口,及選用適當橡膠密封墊、螺栓、螺母、墊圈,同樣根據組間距,及散熱器連接板Φ14長孔配

    制拉板、螺母、螺栓、墊圈。
    (2)安裝時,通過吊鉤吊起散熱器,對好上下法蘭,墊正密封墊,上好固定螺栓,并將相鄰散熱器用拉板固定。
    (3)注油時,應擰緊放油塞,將放氣塞打開,待放氣孔有油溢出時,再將放氣塞擰緊。
    (4)當采用底吹風冷時,下集流管有懸掛風機所用的支架(自冷式不帶支架),每二組散熱器懸掛一臺風機。
    (5)當采用側吹風冷時,請將風機安裝固定在變壓器郵箱的適當位置,風機位置見圖六所示。

    1.Please remove the end cover of collecting pipe of radiator before installing;When installing the set up radiator ,pay attention to
       distinguish the upper and lower collecting pipes.
    2.The space between radiator units shall not be less than 50mm,and the center of lower collecting pipe shall keep certain height with the
       floor in order for convection of air.
    3.The installation of fixed type radiator :make a hole on the side wall of transformers tank according to the outside dimension of collecting
      pipe an center distance ,weld the radiator directly to the outside of the tank,and do not weld it to the inside of the tank in case some
       foreign matters  like welding slag shall enter the inside of the radiator .  
    4.Installation of set up type radiator:
    (1)Please connect a flange interface according to the center distance of radiator ,space distance between radiator units and flange
      dimension ,and choose proper rubber gaskets ,bolts,nuts,and choose draw plates,nuts,bolts and washers according to the space
        distance and the slot with diameter of 14 of the joint plate of radiator.
    (2)When installing,draw up the radiator with hook to aim for the upper and lower flange,put the gasket rightly,screw up the fix screw,and
     fix the consecutive radiators with joint plate .
     (3)When oiling,shall screw down the the oil discharge plug,open the air exhausting plug,after some oil overflows from the air exhausting 
         plug,screw down the air exhausting plug.
     (4)When taking bottom blowing for cooling,the lower collecting pipe shall be equipped with the support for hanging the air fan(whereas the
         self cooling type doesn't have it );hang a air fan at the second group of radiator.
     (5)When taking side blowing for cooling,please fix the air fan at the proper position of the transformer tank.Please refer to the Figure 6 for
         the air fan position.

    九、注意事項:  Notices:
    (1)運輸、安裝、沖洗時,應謹慎操作,不得將散熱片的油道碰癟、損壞。
    (2)安裝前如需進行密封性檢驗,其試驗壓力(內壓)不得超過140Kpa,持續時間20min。
    (1)Be cautious during transportation ,installation and flushing,and do not dent and damage the radiator.
    (2)Should the sealing performance test be carried out before installation,the test pressure (internal pressure)shall not exceed   
        140Kpa.duration twenty mins.

     
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