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烟道止回阀如何安装

烟道止回阀如何安装

浏览：58次 | 提问时间： 08-04 11:48

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6个答案

Traveler过客 08-04 11:49

止逆阀有二种：一种是烟道止逆阀，一种是烟机止逆阀。1、烟道止逆阀：是指安装在厨房烟道口上的止逆阀，一般开发商在交房时会给配备好，里边是一个偏心轴的金属挡板。但通常建筑商配的那个不好用，达不到完全防止返味的目的。它的作用一个是实现单向排风，防止返味、倒灌风等，所以叫做止逆阀啦。另一个作用是固定烟机的软管的作用，使软管能够固定到墙上。但也有建筑商在交房时不配止逆阀的，甚至还有连个烟道口都不留的，更谈不上止逆阀了。2、烟机止逆阀：烟机止逆阀，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也有两片挡板，但由于目前所有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。通常，烟机排风系统，由三部分组成：烟机止逆阀+烟管+烟道止逆阀，这三个部分中，止逆阀的作用是相当重要的。

姐的温柔不喂狗 08-04 11:57

1、将原排烟孔扩大一小部分，能将止逆阀轻松放入即可。没有开烟道孔的，可开170mm*170mm的孔。2、将桥架置于烟道内侧，用螺丝将桥架收紧，将止逆阀底座固定在烟道口。3、把阀体和底座对牢，用四周的卡口将底座扣紧。4、安装完毕，检查挡风板是否能轻松打开，然后连接排风管。

本菇凉是神 08-04 12:05

正规的开发商交房时，烟道口已经为业主安装有一个止回阀，它平时呈关闭状态，只有当油烟机排烟时，才会使止回阀打开。除了这个止回阀的功能能够防止烟道回灌烟气外，每个油烟机都带有一个止回阀。如果仔细观察，就会看到，在烟机的出口处有一个两片的*扇片，只能朝一个方向打开。其作用与烟道的止回阀是一回事。所以，实际上油烟机有两个防止楼房烟气回灌的装置。即使第一个坏了，第二个同样起作用。因此，可以查找一下原因，是否止回阀两个全坏了。在装修实践中，为了排烟更顺畅，往往安装油烟机时，工人会拆掉开发商安的那个止回阀。即使这样，都不会出现回灌情况。如果检查止回阀没有问题，那么，只能是烟道的设计问题了，说明烟气没有顺畅地往出口排放。也不是油烟机的问题。

涼城薄愛 08-04 12:14

厨房烟道和止回阀都由土建施工。

小袖珍 08-04 12:22

我家用的付太油烟机上边就是自己厂家安装好，风力大于吸油烟机产生的排气时就会形成倒灌，自己回来接上软管就行了，影响使用者及室内安全。所以正规厂家都是必须在烟机软管接口处安装好止逆阀的。这样用个十年八年都不会有问题吸油烟机是有配止逆阀的，所以为保证烟机使用过程中因通风管道外*大风，因为国标强制要求家用吸油烟机必须保证废气排放不影响人体健康

余淮 08-04 12:30

要注意止逆阀与公共烟道或分户烟道安装后结合点的密封，如有条件选用叫粘稠腻子封堵，如潜水艇；第三第一，打开位置要烟机管相反，待止逆阀安装固定后排烟管道要与止逆阀安装密实：在选用止逆阀时选用封闭效果较好的品牌；第二。备注，要注意止逆阀开启的方向

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