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抽油烟机止回阀怎么安装

抽油烟机止回阀怎么安装

浏览：54次 | 提问时间： 08-04 11:00

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世界太假 08-04 11:01

【抽油烟机出风管安装方法】油烟机的安装位置，高度及出风管的走向的选择好坏直接影响了抽油烟机的吸油烟效果。1、吸油烟机应安装在燃气灶具中心点正上方位置上，其底平面与燃气灶具之间的距离应在650mm-750mm范围内。2、尽量不要把吸油烟机安装在门窗等空气对流较强的位置附近，以免影响吸油烟效果。3、出风管不宜太长，最好不要超过2米，而且尽量减少折弯，避免多个90度折弯，否则会影响吸油烟效果。【抽油烟机安装前的准备工作】抽油烟机的安装其实并不困难，关键是要掌握安装技巧，并确定好抽油烟机的安装位置：抽油烟机应安装在灶具正上方与灶具同一轴心线上，并保持左、前、后位置的水平，吸油烟机底端到灶面的距离应为650~750mm，在墙面上找出烟机挂板安装位置，用铅笔画好线，画线时请使用水平仪，以确保抽油烟机水平安装。【安装吸油烟机的注意事项】1.吸油烟机安装环境：吸油烟机安装周围应避免门窗过多，因为门窗过多时空气对流过大，使油烟上升未至250mm的有效吸力范围就已经扩散不少，吸排油烟之效果受到影响。2.吸油烟机应安装在产生油烟废气的正上方，高度为650-700mm较好。3.吸油烟机排烟管安装要求：（1）排风出口到机体的距离不宜过长，转弯半径尽可能大且少转弯，否则影响排烟效果。（2）排烟管伸出*或通进共用吸冷风烟道，接口处要严密，不需将废气排到热的烟道中。4.脱排油烟机机体保持水平：机体安装后，观察其水平度。【抽油烟机安装过程】1、固定烟机挂板：在安装位置钻好孔用十字螺丝将包装箱附带的烟机挂板固定在墙上；2、将烟机挂在挂板上：将吸油烟机挂到挂板上，确保吸油烟机无晃动和脱钩现象并尽量保证水平；3、安装排烟管：将排烟管的一端与吸油烟机上的出风口连接，另一端则与共用烟道或外墙上的墙孔连接。若排烟到共用烟道，勿将排烟管插入过深导致排烟阻力增大，若排烟到墙外，则建议在排烟管外装上百叶窗，同时务必使排烟管口伸出30mm，避免回灌；4、安装油杯：将油杯拧上或是推入到位固定好。

Provence 08-04 11:09

油烟机烟道那里的止逆阀有必要安；烟道止逆阀，一般在家庭的油烟机排烟道中使用，其中包括油烟机止逆阀、塑料伸缩烟管和烟道止逆阀。油烟机止逆阀也叫出风口、排风口和出风罩等名称，它是油烟机自带的，底部用螺丝固定在油烟机顶部，上部连接塑料伸缩烟管。在油烟机止逆阀内部一般都有两片挡板，但由于传统烟机止逆阀都有挡板密闭不严的问题（不管多高档的烟机），这样就都有了油烟机返味的烦恼了。不同品牌或型号烟机所配带的油烟机止逆阀很可能都不相同，既没有统一行业标准。但接塑料伸缩烟管的口径基本分为18cm、17cm、16cm和15cm四种。

我有疑心病 08-04 11:17

后来在客户反映油烟机效果差的时候。由于金属结构，接烟管的位置有一个塑料止回阀。在墙上面安装的一般是金属的，阀片拆了，在油烟机开启的时候。利用风自动*开，一般小区配套的烟道大多数是没有安装止回阀的从实用方面来讲-不安，重量问题，就没有问题了，有的烟机不能完全*开，造成排烟效果差，（当然也不排除烟机本身效果不好的），也有少数直接卡*，前提是油烟机上的阀片安装时不要搞掉了，我大多都把墙上的止回阀，造成油烟机没有效果的，我以前做过售后，拆了止回阀的档板，以上只是我的建议，在用户家检查烟机没有问题，因为油烟机上面，效果都有所改善，后来发现是止回阀问题

弃虐 08-04 11:26

40元一个就可以买到的，当然你也可以自己在去买一个更加保险，用几年可以更换，那就是安装在烟道上面一般烟机本身自带的有止逆阀的，和烟机上面的一样，都是一样的作用的，一般挡别家的烟，俗称挡风板。

伤我不配吗 08-04 11:34

油烟机烟道的止回阀一般都是安装在油烟机出风口处的止回阀，中间有复位弹簧，但是这种止回阀一般密封*不是很好。根据大家的反应和市场的同类产品卖的很好的情况看。风机不工作时处于自然关闭状态（防止废弃回流），并在规*间内能满足耐火性能要求;还有一种是排油烟气防火止回阀是安装在厨房吸油烟机或卫生间排风机后端至具有耐火等级的共用排风管道进口处：另外还有一种全密封烟道的止回阀或者叫防烟宝是安装在公共烟道上的油烟机排气管接阀门上，油烟机排风时叶片被*开，大家的评价也非常高，油烟机停阀门闭合：，起隔烟阻火作用的阀门，油烟机停止时叶片被弹簧压入闭合状态，油烟机排气阀门打开，风机工作时呈现开启状态（排出废气），屋内或共用风道内气温达到规定值时可自动关闭，现在抽油烟机基本是都带这种止回阀，油烟机上自带的抽油烟机烟道的止回阀基本不管用，打开油烟机就可以看到四周有缝隙，目前淘宝上卖的全密封的这类止回阀比较多。抽油烟机烟道的止回阀图片如下。图片如下。这种金属类阀门工程上用的比较多基本效果应该也不错，阀门有两个叶片

瞒ら 08-04 11:43

需要装烟道止回阀，一定要装的。

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