凉山滋赋把科技有限公司-8zpru.perugotravel.com

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    公海赌船

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    公海赌船

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    您现在的位置:首页 / 产品展示 / 电伴热带
    HWL(HBL)恒功率电伴热带
    产品名称:HWL(HBL)恒功率电伴热带
    产品型号:HWL(HBL)并联恒功率电伴热带
    产品价格:电议
    商标品牌:安邦
    产品认证:CE RoHs
    主要用途:适用于石油、化工、电力、码头等行业的长输管线,大型槽池,油罐等防冻,保温及伴热,与其它防爆附件配合后,可用于Ⅱ类防爆炸性气体场合。
    详细说明

    并联恒功率电伴热带专利号:ZL200920171092.4;证书号:第1450860;发证机构:中华人民共和国国家知识产权局

        HWL(HBL)系列恒功率电伴热带其单位长度的发热量恒定;使用的电伴热带越长,输出的总功率越大;单回路最大使用长度较长;主要用于各种温度较高的管道、仪表、罐体设备的保温;维持与加热温度较高;可用于工厂一区、二区的爆炸性气体场合。
     

    HWL(HBL)型恒功率并联式电伴热带一、型号

     


    二、产品结构
        电源母线为二根或三根平行绝缘铜导线,在主绝缘层表面上缠绕电热丝,并将该电热丝每隔一定距离(即发热节长)与母线连接,形成连续并联电阻,母线通电后,各并联电阻发热,因而形成一条连续的加热带。
        1、两相并联电伴热带 


    ① 镀锡圆铜线;  ② 芯线绝缘层;  ③ 内护套绝缘层;  ④ 发热丝;  ⑤ 外护套;  ⑥ 金属编织层;  ⑦ 加强护套


        2、三相并联电伴热带


    ① 镀锡圆铜线; ② 芯线绝缘层; ③ 内护套绝缘层; ④ 发热丝; ⑤ 外护套;  ⑥ 金属编织层; ⑦ 加强护套


    三、产品特点:
      并联恒功率电伴热带单位长度的发热量恒定,使用的电伴热带越长输出的总功率越大。该电伴热带在现场能按实际需要长度任意剪切。此外电伴热带因富有柔软性,可以很方便地紧贴在管道表面,电伴热带外层的金属屏蔽网可以防止静电产生并安全接地,它不仅提高了电伴热带的整体强度,还起着传热和散热的作用。并联恒功率电伴热带与温控器配合使用时,可以精确维持管道或加热体的介质温度。
      加强型电伴热带是在普通型伴热带外层再包复一层绝缘层,其余结构与普通伴热带相同。加强型伴热带的主要特点是较普通型伴热带机械强度高,防腐能力强,但导热性能略低。它主要适用于地下敷设的管道和有腐蚀性气体的场合,由于母线载面积有限,为避免降压太大,故在单点电源单向输出时最大长度有一定限制,当单点电源双向输出时,使用长度可以增加一倍。如需要伴热的管线更长,则可采用多点电源供电,或采用我公司生产的HCL型串联电伴热带

      其中并联三相伴热带除有单相电伴热带的特点外,同时还具有最大使用长度长,发热均匀性较好,能均衡电网负荷等特点。安装伴热带与控制电器一般有过载,短、漏电,过热保护。


    四、产品规格及主要技术指标:

     


        注:规格为15W/m、25W/m、35W/m、45W/m、55W/m的电伴热带为非标,可向本公司咨询并订购,根据用户实际需求也可以供应特殊电压的电热带。


    五、产品应用场合:
        电伴热带主要使用于管道、阀门、泵体、储罐、反应塔、仪表箱等防冻和保温,或者维持仪表管线的工艺温度。具体应用场合主要有:
        (1)在正常情况下连续流动的低凝固管线使用,可避免介质因停止流动而凝固。
        (2)需要严格控制作业温度的液体管线的伴热和保温。
        (3)寒冻地区自来水管线及阀门的防冻,排水管抽水管和冷凝管路的防冻。
        (4)海洋平台管道的防冻。
        (5)一般管线和仪表的伴热保温。
        (6)井口采油竖井伴热(取代水护套),污水井伴热。
        (7)机场跑道防冰雪封冻。
        (8)混凝土制品的防冻养护。


    六、防爆说明:
        电伴热带按GB3836.1-2000和GB3836.3-2000即爆炸性环境用防爆电器设备“通用要求”和增安型电器设备要求设计制造。防爆炸等级为“eⅡ T3-T6”,防爆合格证证号CNEX02、433U。产品具有阻燃性,与增安型电器附件配套后,适用于不受外力直接冲击的工厂一区,二区爆炸性气体混合物“T3-T6”组场所用。

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