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    JFB-口/3三相恒功率并聯(lián)電熱帶

    簡要描述:三根平行的絕緣銅線為電源母線,在內(nèi)護(hù)套絕緣層外纏繞電熱絲,并將該電熱絲每隔一定距離分別依次與三根電源母線循環(huán)連接,在每二相間形成連續(xù)并聯(lián)電阻。當(dāng)母線通以三相電后,各并聯(lián)電阻同時發(fā)熱,因而形成一條連續(xù)的加熱帶。

    • 產(chǎn)品型號:JFB-口/3
    • 廠商性質(zhì):生產(chǎn)廠家
    • 更新時間:2024-08-05
    • 訪  問  量: 1480

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    JFB-/3型三相恒功率并聯(lián)電熱帶
    JFB · D/3 type Three-phase Constant Wattage Parallel Connection Electric Heating Cable
    (1)產(chǎn)品結(jié)構(gòu)與工作原理
      Product Structure and Working Principle
        三根平行的絕緣銅線為電源母線,在內(nèi)護(hù)套絕緣層外纏繞電熱絲,并將該電熱絲每隔一定距離分別依次與三根電源母線循環(huán)連接,在每二相間形成連續(xù)并聯(lián)電阻。當(dāng)母線通以三相電后,各并聯(lián)電阻同時發(fā)熱,因而形成一條連續(xù)的加熱帶。
    Three parallel insulation copper wires form power generatrix. Electric heating threads are wound around the inner jacket insulation layer ln every certain distance, the heating thread is welded in turn to the three power generatrix circularly. This makes every 2 phases into acontinuous parallel connection resistance. When the generatrix is connected to 3 -phase power supply, the every parallel resistance heats at the same time This makes a continuous heating belt.

    (2)產(chǎn)品規(guī)格和主要技術(shù)特性
    Product Types and Main Technical Characteristics

    2-2: JFB-/3型電熱帶主要技術(shù)參數(shù)表
    Table 2-2: Main Technical Parameters of JFB- 口 /3 Type Electric heat cable
    型號
    Type
    額定
    電壓

    Rated Voltage


    (v)
    額定
    功率

    Rated
    Power


    (w/m)
    絕緣
    電阻

    Insulation Resistance


    (MΩ /hm)
    電氣
    強(qiáng)度

    Electricity Intensity


    (v/min)
    絕緣層
    材料

    Insulation Material
    產(chǎn)品
    zui高
    耐溫
    Highest Temp-
    erature

    (℃)
    防爆
    標(biāo)志
    Explo-
    sion
    Proof Label
    zui小彎
    曲半徑
    Min.
    Bending
    Radius

    (mm)
    介質(zhì)zui
    高維持
    溫度
    Highest
    Maintenance Temperature of Media

    (℃)
    單電源
    zui大使
    用長度
    Max.
    UseLength
    of Single
    Power

    (m)
    加強(qiáng)型
    Reinforced
    JFB-30/3J 380 30 50 2750 F46 200 ExeIIT4 普通型
    Common
    30
    加強(qiáng)型
    Reinforced
    35
    120 320
    JFB-40/3J 40 100 240
    JFB-50/3J 50 80 190
    JFB-60/3J 60 60 160
    (3)產(chǎn)品特點(diǎn)及應(yīng)用場合
    Product Characteristics and Applications

    三相電熱帶除有單相電熱帶相同特點(diǎn)外,還有以下優(yōu)點(diǎn):
    Besides the above characteristics the three phase heating cables have following advantages:
    率的三相電熱帶的zui大允許使用長度是單相電熱帶的三倍。
    The most tolerable length of the three-phase heat cable is three times longer than the length of the single-phase heating cable of the same wattage.
    三相帶截面大,傳熱導(dǎo)面積大,能提高傳輸效率。

    Bigger section area of three phase heating cable can broaden heat transmitting area and thisincreases the transmitting efficiency.

    三相并聯(lián)帶一般適用于大管徑,管網(wǎng)系統(tǒng)管線和罐體的伴熱保溫。

    Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters, pipe lines in nets and tanks.


     

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