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厨房抽排风设计哪种好

厨房抽排风设计哪种好

浏览：69次 | 提问时间： 08-06 11:47

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6个答案

ジ鄰居家的萌妹子づ 08-06 11:48

安装在建筑排烟管道附近，如果条件不允许的话建议按照直线安装排烟管道。不要拐弯或是盘管。

梦初醒处 08-06 11:56

一、概述　　厨房通风中产生问题的主要原因,一方面是由于厨房工艺设计专业与通风设计专业之间协调不够,另一方面,由于我国厨房设计缺乏经验,设计不尽合理.　　二、厨房通风量计算　　厨房的通风量由两部分组成,即局部排风量和全面排风量两部分.局部排风量应选用的灶具和厨房排风罩的情况加以确定,全面排风量一般按计算确定.　　1.通风量的计算　　机械通风的换气量应通过热平衡计算求利,其计算公式：　　L

港湾少女 08-06 12:04

Q/0.337(tp-ti) （1）　　式中,L－－必须的通风量、m3/h；　　tp－－室内排风计算温度,可采用下列数值：夏季35摄氏度,冬季15摄氏度；　　ti－－室内通风计算温度,摄氏度；　　Q－－厨房内的总发热量（显热）,W；　　Q＝Q1＋Q2＋Q3＋Q4 （2）　　式中,Q1－－厨房设备散热量,按工艺提供*计算,如无*时,可参考文献；　　Q2－－*作人员散热量,W；　　Q3－－照明灯具散热量,W；　　Q4－－室内外围护结构的冷负荷,W.　　2.局部排风量　　局部排风量按排风罩面的吸入风速计算,其最小排风量为L＝1000P•H　　式中,L－－排风罩排风量,m3/L；　　P－－罩子的周边长（靠墙的边长不计）,m；　　H－－罩口至灶面的距离,m.　　3.厨房通风量估算　　在总结工程设计及使用的基础上,设计人员可按如下通风次数进行估算：　　中餐厨房 n＝40-50h-1；　　西餐厨房 n＝30-40h-1；　　在估算出的通风量中,局部排风量按65％考虑,全面排风量按35％考虑.　　三、局部排风部位及要求　　中餐厨房,其烹调的发热量和排烟量一般较大,排风量也较大,排气罩一般选用抽油烟罩.为减轻油烟对环境的影响,可选用消洗烟罩.　　蒸煮间.此间对新风的要求较低,但排风效果一定要好,否则,蒸汽将充满整个工作间,影响厨师工作,排气排出的主要是水蒸气,可以不采用和净化装置,直接排出.　　西餐厨房.烹调量并不很大,但要求设备多而全,排风量要小于中餐厨房.　　洗碗间.需要较大的排风量.　　四、厨房补风的要求　　在厨房通风中,要补充一定数量的新风,送风量应按排风量的80％-90％考虑.　　厨房内负压值不利大于5Pa,因负压过大,炉膛会倒风.因而应使送风机与排风机均有调速的可能.　　可将补风量的30％作为岗位送风,送风口直接均匀布置排气罩前侧上方.　　厨房送风可直接利用室外新风,仅设置粗效过滤器.此外,为改善炊事人员工作环境,宜按条件设局部或全面冷却装置.厨房用具发散的热量与空气调节冷却负荷的关系,可用下式计算：　　灶具热源为煤气的场合：　　qc

无可救药 08-06 12:13

qeF1F2≈0.1qe.(3)　　式中 qc－－厨房空调冷负荷,kW；　　qe－－厨房设备散热量,kW；　　F1－－设备同时使用系数,取0.5；　　F2－－设备输入功率中表面辐射热的比例,取0.32；　　F3－－排风排热系数,取1.6.　　灶具热源为使用电及蒸汽的场合：　　qc

我姓顾却不曾想过孤独 08-06 12:21

qeF1F2/F3≈0.16qe (4)　　为避免厨房向餐厅串味,可将60％的送风量送入餐厅,然后再由餐厅流至厨房.鉴于厨房的通风换气量很大,如此大的补风量均经餐厅流向厨房,从节能和管道布置等方面考虑,这种方法并不可取.　　五、系统布置　　1.送风系统应为直流方式,厨房的通风系统宜采用变速风机或关联风机进行送排风　　2.送排风口布置　　厨房内送、排风口的布置应按灶具的具体位置加以考虑,不要让送风射流扰乱灶具的排风性通.确定送风出口的出口风速时,在距地2m左右时的区域风速

无心罪人 08-06 12:30

您好，厨房排风设计有5种，要看实际情况适合哪一种了，第一：在顶棚里面预埋直径160MM的PCV管，放在烟机设计位置的上方。第二：在吊柜顶部与厨房顶棚之间的空隙走，吊柜前面需要设计封板遮挡。第三在烟机二层挡板后面直接走背墙，这样的一半是别墅才能实现。第四：老式房子，没用公用烟道的，烟机在飘窗上，烟机管走窗户玻璃。第五：厨房高度吊顶后低于2300，第一种第二种方法无法实现，烟机管在吊柜里穿过吊柜侧板进入共用烟道。希望可以帮助到你

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