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插板閥刀型閘閥結構特點和使用原理

2023-06-30 關注次數: 本文關鍵詞:插板閥

插板閥又(you)稱刀型閘(zha)(zha)(zha)閥(fa)(fa)(fa),刀形閘(zha)(zha)(zha)閥(fa)(fa)(fa)它是一種(zhong)閘(zha)(zha)(zha)板與閥(fa)(fa)(fa)座(zuo)(zuo)始終(zhong)緊密接(jie)觸密封(feng)(feng)(feng)的(de)閥(fa)(fa)(fa)門,其原理是閘(zha)(zha)(zha)板上開有(you)一個通徑(jing)大(da)小的(de)圓口,通過(guo)閘(zha)(zha)(zha)板啟閉(bi)使得閘(zha)(zha)(zha)板上圓口跟(gen)通徑(jing)做完全脫離和相吻合的(de)動(dong)作。插板閥(fa)(fa)(fa)的(de)優點在(zai)于閥(fa)(fa)(fa)體通徑(jing)無凹槽,介(jie)質不會(hui)卡(ka)阻(zu)堵塞,并且(qie)具(ju)有(you)全通徑(jing)流通特(te)性(xing),插板閥(fa)(fa)(fa)密封(feng)(feng)(feng)結構可以分軟密封(feng)(feng)(feng)、硬密封(feng)(feng)(feng)結構。插板閥(fa)(fa)(fa)是具(ju)有(you)精密構造(zao),工藝性(xing)好,結構緊湊等特(te)點,密封(feng)(feng)(feng)閥(fa)(fa)(fa)座(zuo)(zuo)為活動(dong)結構設計,有(you)防磨損(sun)和自動(dong)補償功能,因(yin)而壽命(ming)更長。在(zai)關閉(bi)和開啟過(guo)程中閥(fa)(fa)(fa)座(zuo)(zuo)跟(gen)閘(zha)(zha)(zha)板一直(zhi)緊貼運動(dong),使得閥(fa)(fa)(fa)門啟閉(bi)力穩(wen)定(ding),并且(qie)具(ju)有(you)切斷介(jie)質等特(te)點。

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  除塵插(cha)板閥(fa)具有結構簡單緊(jin)湊、設計合理、輕(qing)型節材(cai),密(mi)封可(ke)靠、操作輕(qing)便靈活(huo)、體積小、通道流暢、流阻小、重量(liang)輕(qing)、易安裝(zhuang)、易拆卸等(deng)優點,而(er)且插(cha)板閥(fa)質保(bao)期為一年,質保(bao)期內出現質量(liang)問題,可(ke)以免費更換。

  插板(ban)(ban)(ban)(ban)(ban)閥(fa)的啟閉件是(shi)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban),閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的運動方向與流(liu)體(ti)方向相垂直,插板(ban)(ban)(ban)(ban)(ban)閥(fa)只能作(zuo)全開(kai)和全關(guan),不能作(zuo)調節和節流(liu)。閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)有兩(liang)個密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian),常(chang)用的模式閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)閥(fa)的兩(liang)個密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)形(xing)成(cheng)楔形(xing)、楔形(xing)角隨閥(fa)門參數(shu)而異,通常(chang)為50,楔式插板(ban)(ban)(ban)(ban)(ban)閥(fa)的閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)可(ke)以(yi)(yi)做(zuo)(zuo)成(cheng)一個整體(ti),叫做(zuo)(zuo)剛性閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban);也可(ke)以(yi)(yi)做(zuo)(zuo)成(cheng)能產(chan)(chan)生(sheng)微量變形(xing)的閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban),以(yi)(yi)其工(gong)藝性,彌補密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)角度在(zai)加(jia)工(gong)過程中產(chan)(chan)生(sheng)的偏差,這(zhe)種閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)叫做(zuo)(zuo)彈性閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)插板(ban)(ban)(ban)(ban)(ban)閥(fa)關(guan)閉時(shi),密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)可(ke)以(yi)(yi)只依(yi)靠介(jie)質壓(ya)力(li)來(lai)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng),即依(yi)靠介(jie)質壓(ya)力(li)將(jiang)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)壓(ya)向另一側(ce)的閥(fa)座(zuo)來(lai)保證密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)的密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng),這(zhe)是(shi)自密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。大部分插板(ban)(ban)(ban)(ban)(ban)閥(fa)是(shi)采用強制密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的,即閥(fa)門關(guan)閉時(shi),要依(yi)靠外力(li)強行將(jiang)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)壓(ya)向閥(fa)座(zuo),以(yi)(yi)保證密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)(mian)的密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性。插板(ban)(ban)(ban)(ban)(ban)閥(fa)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)結構可(ke)以(yi)(yi)分軟密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、硬密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)結構。

  插板(ban)閥的結構特點:

  1.插板閥與現場(chang)管道(dao)連接(jie)方式可以(yi)為法(fa)蘭螺栓連接(jie)、插入反(fan)法(fa)蘭焊接(jie)或管道(dao)直接(jie)對焊連接(jie)。

  2.插板閥采用全封閉(bi)式結構設計(ji),插板開啟后位(wei)于另一側密閉(bi)的(de)檢(jian)修室(shi)內。

  3.插板(ban)采用專(zhuan)用的(de)整(zheng)平(ping)板(ban),并對插板(ban)的(de)密(mi)(mi)封(feng)面進行(xing)車銑切屑加(jia)工(gong),密(mi)(mi)封(feng)間隙小,密(mi)(mi)封(feng)性能好。

  4.電動插板(ban)閥(fa)由啟(qi)閉電動裝(zhuang)置驅動螺(luo)桿副旋轉產生軸向移動,再經過導向傳動螺(luo)桿套帶動插板(ban)移動,抽出或(huo)推入插板(ban),完成(cheng)插板(ban)的開啟(qi)或(huo)關閉動作,運行平穩(wen)可靠。

  5.氣(qi)動(dong)(dong)插板閥由啟(qi)閉氣(qi)缸(gang)插入(ru)殼體內拉(la)動(dong)(dong)或(huo)推動(dong)(dong)插板的開(kai)啟(qi)或(huo)關閉。

  6.電動(dong)(dong)(氣動(dong)(dong))插(cha)(cha)板閥開啟或關閉通(tong)過安裝(zhuang)在殼體二側(ce)面(mian)上的滑動(dong)(dong)滾珠鏈排,使插(cha)(cha)板限(xian)制在軌導內運行(xing),采用優化設計(ji)方案,插(cha)(cha)板移動(dong)(dong)平(ping)穩輕便,驅動(dong)(dong)力(li)矩小。

  7.插板閥可(ke)以(yi)遠距離操(cao)作或程(cheng)序控(kong)制,有(you)DCS遠控(kong)接口(kou)。其中電動插板閥配(pei)(pei)套(tao)機電一(yi)體化電動裝(zhuang)置,可(ke)就地和(he)遠控(kong)操(cao)作,并配(pei)(pei)帶手輪.操(cao)作機構;氣(qi)動插板門配(pei)(pei)套(tao)氣(qi)缸并提供控(kong)制箱,可(ke)就地和(he)遠控(kong)操(cao)作。

  8.電(dian)(氣)動(dong)(dong)裝置與插(cha)板(ban)閥(fa)組裝調試,出廠前已對電(dian)(氣)動(dong)(dong)插(cha)板(ban)閥(fa)上(shang)的限位(wei)開關或磁性開關設置調整(zheng)到位(wei),用戶只需通入電(dian)源(yuan)和氣源(yuan)即能使電(dian)(氣)動(dong)(dong)插(cha)板(ban)門正常動(dong)(dong)作(zuo)。

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