http://www.kadhoai.com.cn 2026-04-07 15:33:37 來源:天津市潤泰自動化儀表有限公司

首先由國內資深流量專家、天津市潤泰自動化儀表有限公司高級技術顧問毛新業高工主講,他首先強調本次會議主題,即:“流量儀表必須麵對工業現場”。流liu量liang儀yi表biao必bi須xu立li足zu於yu用yong,僅jin僅jin取qu得de在zai實shi驗yan室shi理li想xiang條tiao件jian的de優you異yi技ji術shu性xing能neng是shi不bu夠gou的de,必bi須xu在zai現xian場chang條tiao件jian下xia用yong好hao才cai是shi對dui用yong戶hu負fu責ze任ren的de態tai度du。其qi次ci,他ta認ren為wei隨sui著zhe技ji術shu的de進jin步bu流liu量liang儀yi表biao的de準zhun確que度du在zai貿mao易yi結jie算suan、工控係統中日益引起重視,在應用現場影響最大而又無法修正的因素,是安裝直管段長度達不到規範的要求,雖然ISOTC30多年來一直建議采用流動調整器(我國一般稱為整流器),由於在現場安裝上存在不少困難,長期以來推廣並不理想。自2002年nian以yi來lai,市shi場chang上shang出chu現xian了le一yi種zhong將jiang流liu動dong調tiao整zheng器qi與yu節jie流liu件jian合he二er為wei一yi的de產chan品pin,但dan研yan究jiu應ying用yong的de不bu是shi很hen多duo。今jin年nian天tian津jin市shi潤run泰tai自zi動dong化hua儀yi表biao有you限xian公gong司si根gen據ju這zhe一yi原yuan理li,優you化hua設she計ji了le一yi次ci傳chuan感gan器qi的de結jie構gou,並bing配pei上shang高gao精jing度du的de差cha壓ya變bian送song器qi,研yan製zhi出chu “整流式流量計”。公gong司si本ben著zhe對dui用yong戶hu負fu責ze的de精jing神shen,根gen據ju現xian場chang應ying用yong的de情qing況kuang進jin行xing了le長chang達da半ban年nian的de產chan品pin性xing能neng試shi驗yan。天tian津jin市shi潤run泰tai自zi動dong化hua儀yi表biao有you限xian公gong司si總zong工gong童tong複fu來lai接jie著zhe將jiang實shi驗yan的de情qing況kuang向xiang與yu會hui代dai表biao進jin行xing了le介jie紹shao,公gong司si共gong做zuo了le六liu方fang麵mian的de試shi驗yan測ce試shi;qudelianghaodeceshijieguo。shiyanbiaoming,gailiuliangjijuyoujiaohaodezhengliuxiaoguo,queshinengzaibujiangdiyibiaozhunquedudeqiantixia,dadajiangdiyibiaoduiqianzhiguanduanchangdudeyaoqiu;當現場前直管段長度在2~5D的情況下,儀表也可以達到0.5~1%的流量準確度;同(tong)時(shi)由(you)於(yu)結(jie)構(gou)的(de)優(you)化(hua),大(da)大(da)降(jiang)低(di)了(le)儀(yi)表(biao)的(de)總(zong)體(ti)成(cheng)本(ben),該(gai)產(chan)品(pin)是(shi)一(yi)種(zhong)適(shi)用(yong)範(fan)圍(wei)較(jiao)廣(guang)的(de)值(zhi)得(de)推(tui)薦(jian)的(de)產(chan)品(pin)。最(zui)後(hou)她(ta)對(dui)差(cha)壓(ya)類(lei)流(liu)量(liang)儀(yi)表(biao)在(zai)實(shi)際(ji)應(ying)用(yong)中(zhong)如(ru)何(he)正(zheng)確(que)、合理的選型,應該注意的問題以及一些模糊不清的問題提出了較詳細地說明和看法。
二、氣體大管道流量測量的特點、方法及校驗(主講:毛新業)

他首先強調了大管道氣體流量測量與環保及節能的密切關係,而現狀是目前國內采用的不少方法,如測風速的雙文丘利、熱式、均速管、文丘利、機翼都存在不少問題,不是測不準就是用不好。由於大管道氣體流量的特點是直管段十分短且有漩渦、有粉塵、計算複雜。采用單一的儀表難以奏效,他建議采用一種流量測量係統,它應由“整流器、多點式流量計、防堵吹掃係統、流量計算機”幾ji個ge部bu分fen組zu成cheng。天tian津jin市shi潤run泰tai自zi動dong化hua儀yi表biao有you限xian公gong司si已yi有you此ci類lei產chan品pin,並bing在zai多duo家jia現xian場chang進jin行xing了le應ying用yong,效xiao果guo非fei常chang理li想xiang。在zai談tan到dao均jun速su管guan在zai大da管guan徑jing氣qi體ti流liu量liang測ce量liang中zhong的de作zuo用yong時shi,他ta認ren為wei當dang前qian不bu少shao人ren過guo分fen注zhu意yi均jun速su管guan的de截jie麵mian形xing狀zhuang,而er實shi際ji應ying用yong時shi,影ying響xiang測ce量liang準zhun確que度du較jiao大da的de因yin素su是shi管guan道dao的de直zhi管guan段duan長chang度du(流速分布是否理想)jiguandaoneijing,erzhelianggezhongyaoyinsuwangwangbeirenhushi。tandaoxiaoyanwentishi,tashouxianzhichulefengdongshibunengyongyuxiaoyanliuliangerzhinengxiaoyanliusu,qicizaimuqianguanjingriyizengdadeqingkuangxia,xianchangyihennanjuyouchongfenfazhanwenliu,jiaoweixianshidebanfashicaiyongsudumianjifajinxingxianchangxiaoyan。maoxinyegaogongzuihouqiangtiaoyouyuyingxiangliuliangyibiaoceliangdeyinsuhenduo,meiyounayizhongliuliangyibiaoshiyongyusuoyoudexianchangliuliangceliang,guofenkuadajiyutuiguangmouyizhongliuliangyibiaodezuofa,bijiangzaixianshizhongzaochengyanzhongdehouguo。
zuihouyoubeijinghangtianshiyanjishuyanjiusuozhurengengweiguoboshifayan,taqiangtiaozaihangkonghangtianlingyuzhong,liuliangyibiaoyemianlinzhiguanduanguoduaneryouyaoqiuzhunquedugaodemaodun,yineryutianjinshiruntaizidonghuayibiaoyouxiangongsilianhejinxinglezhegexinchanpinshiyan,tahaijianyaodijieshaolegaisuodegezhongliuliangxiaoyanzhuangzhiqingkuangheshili,huanyingyuyejiehezuokaifachanpin。
來自京津地區各設計院、研究院、工程公司、儀表公司、專業媒體等有關人員近百人參加了本次交流會。在會議進行的三個多小時裏,代表們聚精會神、認真聆聽、秩序井然,會議於中午12時15分圓滿結束。