度，但是在电动机的作用下是很容易推开止回板的。 该产品采用电动开启磁力密封技术，彻底解决了止回阀的开
du dan shi zai dian dong ji de zuo yong xia shi hen rong yi tui kai zhi hui ban de gai chan pin cai yong dian dong kai qi ci li mi feng ji shu che di jie jue le zhi hui fa de kai
力反而使油泥起到了嵌缝密实的作用，保证了止回阀良好双人闯关小游戏的密封性能。虽然油泥的嵌缝密实增加了止回阀的开启难
li fan er shi you ni qi dao le qian feng mi shi de zuo yong bao zheng le zhi hui fa liang hao shuang ren chuang guan xiao you xi de mi feng xing neng sui ran you ni de qian feng mi shi zeng jia le zhi hui fa de kai qi nan
，在电动机的作用下推开止回板，达到了排油烟气的目的。当油泥太多的时候，磁力对止回板的吸附作用产生的压
zai dian dong ji de zuo yong xia tui kai zhi hui ban da dao le pai you yan qi de mu de dang you ni tai duo de shi hou ci li dui zhi hui ban de xi fu zuo yong chan sheng de ya
板在磁力的作用下紧紧的吸附在排气端口上，其密封程双人闯关小游戏度可以达到滴水不漏。当抽油烟机工作时，受同步电路控制
ban zai ci li de zuo yong xia jin jin de xi fu zai pai qi duan kou shang qi mi feng cheng shuang ren chuang guan xiao you xi du ke yi da dao di shui bu lou dang chou you yan ji gong zuo shi shou tong bu dian lu kong zhi
加装一个同步转换器。 三、该产品烟道止回阀：采用以止回板自重搭落端口的方式密封排气端口，搭落后的止回
jia zhuang yi ge tong bu zhuan huan qi san gai chan pin yan dao zhi hui fa cai yong yi zhi hui ban zi zhong da luo duan kou de fang shi mi feng pai qi duan kou da luo hou de zhi hui
机工作时要给止回阀一个电源才能开启止回板，造成了抽油烟机和止回阀工作不同步现象。解决这个问题的办法是
ji gong zuo shi yao gei zhi hui fa yi ge dian yuan cai neng kai qi zhi hui ban zao cheng le chou you yan ji he zhi hui fa gong zuo bu tong bu xian xiang jie jue zhe ge wen ti de ban fa shi
是，双人闯关小游戏由于止回板在阀体内部，作机构在阀体外部，止回板的双面密封性较差，轴间隙有透气现象。另外，在抽油烟
shi shuang ren chuang guan xiao you xi you yu zhi hui ban zai fa ti nei bu zuo ji gou zai fa ti wai bu zhi hui ban de shuang mian mi feng xing jiao cha zhou jian xi you tou qi xian xiang ling wai zai chou you yan
。平时，止回板在回力弹簧的作用下密封阀体内部，开启时是用电磁力牵引止回板。该阀有着较好的开启能力。但
ping shi zhi hui ban zai hui li dan huang de zuo yong xia mi feng fa ti nei bu kai qi shi shi yong dian ci li qian yin zhi hui ban gai fa you zhe jiao hao de kai qi neng li dan
，起不到排烟气的作用。解决的办法是经常清洗止回板和排气端口。 双人闯关小游戏二、电动开启式止回阀：该阀类似蝶阀原理
qi bu dao pai yan qi de zuo yong jie jue de ban fa shi jing chang qing xi zhi hui ban he pai qi duan kou shuang ren chuang guan xiao you xi er dian dong kai qi shi zhi hui fa gai fa lei si die fa yuan li
防止油烟气体回串。它的缺点是：当油泥太多时候，止回板和排气端口容易粘连，油烟机的风力甚至不能把它吹开
fang zhi you yan qi ti hui chuan ta de que dian shi dang you ni tai duo shi hou zhi hui ban he pai qi duan kou rong yi zhan lian you yan ji de feng li shen zhi bu neng ba ta chui kai
烟机工作时，通过风的力量吹开止回板双人闯关小游戏。当抽油烟机停止工作时，止回板靠自重的力量搭落在阀体的排气端口上，
yan ji gong zuo shi tong guo feng de li liang chui kai zhi hui ban shuang ren chuang guan xiao you xi dang chou you yan ji ting zhi gong zuo shi zhi hui ban kao zi zhong de li liang da luo zai fa ti de pai qi duan kou shang
电动开启式两种。烟道止回阀的主要技术指标是止回板的开启性能和封闭性能。 一、风力开启式止回阀：在抽油
dian dong kai qi shi liang zhong yan dao zhi hui fa de zhu yao ji shu zhi biao shi zhi hui ban de kai qi xing neng he feng bi xing neng yi feng li kai qi shi zhi hui fa zai chou you
油烟机停止工作时，双人闯关小游戏止回阀自动关闭，避免烟道里的油烟气体回串。 现有的共用烟道止阀一般分为风力开启式和
you yan ji ting zhi gong zuo shi shuang ren chuang guan xiao you xi zhi hui fa zi dong guan bi bi mian yan dao li de you yan qi ti hui chuan xian you de gong yong yan dao zhi fa yi ban fen wei feng li kai qi shi he
该产品是厨房排烟气管道配用的烟道止回阀。它的作用是将抽油烟机排出的气体送到共用的排烟气管道里，当抽
gai chan pin shi chu fang pai yan qi guan dao pei yong de yan dao zhi hui fa ta de zuo yong shi jiang chou you yan ji pai chu de qi ti song dao gong yong de pai yan qi guan dao li dang chou