阅读说明：本技术 用于检测主管道中的气体的流量的方法和用于测量气体管道中的气体的流量的装置 (Method for detecting the flow of gas in a main conduit and device for measuring the flow of gas in a gas conduit ) 是由 C·英宝锡丽 于 2020-02-28 设计创作，主要内容包括：一种用于测量主气体管道(111)中的气体的流量的装置(110),该装置包括：-第一分支装置(180),该第一分支装置具有第一分支管(112),该第一分支管根据至少部分横向于所述主管道(111)的第一方向(X1)的第二方向(X2)在主管道(111)内部延展；所述第一分支管(112)构造成将主管道(111)中传输的气流的一部分朝向测量装置(113)进行分流,-测量装置(113),该测量装置包括连接于第一分支管(112)的进气口(114)以及出气口(115),所述测量装置(113)构造成直接测量由主管道(111)分流的穿过同一测量装置(113)的气流部分的流量,-以及第二分支装置(181),该第二分支装置又包括第二分支管(116),该第二分支管连接于出气口(115),并构造成将气流的穿过测量装置(113)的分流部分重新引入到主管道(111)中,其中,-所述第一分支管(112)和所述第二分支管(116)是同心的,所述第一分支管(112)包括外部采样管(117),该采样管根据正交于第一方向(X1)的第二方向(X2)延展,所述采样管(117)在限定在壁(120)上的通孔(119)处穿过所述主管道(111)的同一壁(120),-所述采样管(117)在第一端(117a)处具有连接区段,用于与所述测量装置(113)连接,-所述采样管(117)具有与第一端(117a)相对的第二端(117b),该第二端是封闭的,并且定位成使得所述第二端(117b)接近或接触所述壁(120)的内表面,-所述采样管(117)具有三个侧向采样孔(121、122、123),所述侧向采样孔(121、122、123)是开口的,并转向成沿与主管道(111)中的气流方向(F)相反的方向,-所述第二分支管(116)具有侧向回流孔(132),该侧向回流孔转向成沿朝向所述气流(F)的同一方向,-所述第二分支管(116)包括回流管(130),该回流管根据正交于所述第一方向(X1)并与所述第二方向(X2)重合的第三方向(X3)延展,-所述侧向回流孔(132)包括管状区段(136),该管状区段定位在所述回流管(130)与所述采样管(117)之间,从而在第二分支管(116)与所述主管道(111)的内部之间形成通道。(An apparatus (110) for measuring the flow of a gas in a main gas duct (111), the apparatus comprising: -a first branch device (180) having a first branch pipe (112) running inside a main pipe (111) according to a second direction (X2) at least partially transverse to a first direction (X1) of said main pipe (111); said first branch pipe (112) being configured to divert a portion of the gas flow conveyed in the main pipe (111) towards a measuring device (113), -a measuring device (113) comprising a gas inlet (114) and a gas outlet (115) connected to the first branch pipe (112), said measuring device (113) being configured to directly measure the flow of the portion of the gas flow diverted by the main pipe (111) passing through the same measuring device (113), -and a second branch device (181) in turn comprising a second branch pipe (116) connected to the gas outlet (115) and configured to reintroduce the diverted portion of the gas flow passing through the measuring device (113) into the main pipe (111), wherein-said first branch pipe (112) and said second branch pipe (116) are concentric, said first branch pipe (112) comprising an external sampling pipe (117), which extends according to a second direction (X2) orthogonal to the first direction (X1), said sampling tube (117) passing through the same wall (120) of the main conduit (111) at a through hole (119) defined on the wall (120), -said sampling tube (117) having a connection section at a first end (117a) for connection with the measuring device (113), -said sampling tube (117) having a second end (117b) opposite to the first end (117a), which is closed and positioned so that said second end (117b) is close to or in contact with the inner surface of the wall (120), -said sampling tube (117) having three lateral sampling holes (121, 122, 123), said lateral sampling holes (121, 122, 123) being open and turned in a direction opposite to the direction (F) of the gas flow in the main conduit (111), -said second branch duct (116) has a lateral return aperture (132) turned in the same direction towards said gas flow (F), -said second branch duct (116) comprises a return duct (130) developing according to a third direction (X3) orthogonal to said first direction (X1) and coinciding with said second direction (X2), -said lateral return aperture (132) comprises a tubular section (136) positioned between said return duct (130) and said sampling duct (117) so as to form a passage between the second branch duct (116) and the inside of said main duct (111).)