Bently速度傳感器9200-01-05-10-00,美國本特利速度傳感器,上海韋米機電設備有限公司供應產品,原廠原裝,質量保障,價格優(yōu)惠,現(xiàn)貨庫存供應;
加速度傳感器
這些傳感器應用于要求對殼體加速度進行測量的關鍵機械,如齒輪嚙合監(jiān)測。330400 的設計滿足美國石油協(xié)會標準670 對加速度計的要求。它提供50 g峰值的振幅和100 mV/g 的靈敏度。330425 與330400 基本相同,除了它的振幅范圍更大(75 g 峰值),靈敏度為25 mV/g。
3300XL8mm電渦流傳感器系統(tǒng)
3300XL8mm電渦流傳感器系統(tǒng)由以下幾部分組成:3300XL8mm探頭3300XL延伸電纜3300XL前置器它既能進行靜態(tài)(位移)測量又能進行動態(tài)(振動)測量,主要用于油膜軸承機械的振動喝位移測量,以及鍵相位和轉速測量。
本特利傳感器
傳感器(英文名稱:transducer/sensor)是一種檢測裝置,能感受到被測量的信息,并能將感受到的信息,按一定規(guī)律變換成為電信號或其他所需形式的信息輸出,以滿足信息的傳輸、處理、存儲、顯示、記錄和控制等要求。它是實現(xiàn)自動檢測和自動控制的首要環(huán)節(jié)。
產品型號:-
本特利傳感器、本特利前置器、BENTLY變送器、本特利探頭、BENTLY延伸電纜、BENTLY電源卡件、BENTLY電源模塊、BENTLY電纜接頭、BENTLY監(jiān)測模塊、BENTLY框架等。
本特利(美國BENTLY)在評估和確保工業(yè)設備的機械和熱力學性能方面是全球的產品和服務供應商。公司在全球43個國家的主要工業(yè)中心設有100個辦事處。其全球用戶超過二萬五千,分布于發(fā)電、石化以及其它眾多行業(yè)的產品和服務供應商,提供工業(yè)用機器及其它資產的機械學和熱力學狀態(tài)信息。擁有的機械保護和連續(xù)狀態(tài)監(jiān)測系統(tǒng)安裝容量,所提供的解決方案是有效的工廠資產管理策略的重要組成部分。
本特利內華達(美國BENTLY)的解決方案使用戶的設備資產運行更安全、更高效、更可靠,為用戶帶來他們所期望的經(jīng)濟收益。傳感器包括振動、位移、轉速、壓力、能量、溫度等種類。
美國BENTLY TK81 可調濾波器/振動計
美國BENTLY TK81可調濾波器/振動計是低成本的、便攜手持式儀表,用于基本的振動測量。 它能以非濾波(通頻)和濾波模式顯示振動。它接收位移、速度和加速度傳感器的輸入,但是不能為它們提供電源。 它的濾波功能對于診斷發(fā)生在各種類型的機器上的特殊頻率的振動問題非常有效。美國BENTLY TK81由一個9伏晶體管電池供電。
美國BENTLY速度和加速度傳感器
美國BENTLY Velomitor傳感器
美國BENTLY 330500 Velomitor 壓電式速度傳感器
美國BENTLY 330500 是一般用途的速度計傳感器,適用于頻率范圍從 4.5 到 5,000 Hz 之間的應用。
美國BENTLY 330525 Velomitor XA 壓電式速度傳感器
美國BENTLY 330525 是我們的美國BENTLY 330500 Velomitor 環(huán)境防護增強型傳感器, 在不使用防護箱時就可滿足 NEMA 4X 和 IP65 標準。 傳感器的安裝螺栓采用管螺紋形式,不要求傳感器底座與機殼平齊。 這種方式不象其它速度傳感器那樣要求對安裝表面進行處理, 降低了安裝成本。
美國BENTLY 330750 高溫 Velomitor 系統(tǒng)
美國BENTLY 330750 這種設計將速度探頭與信號處理電路分隔開,用堅固的電纜連接, 從而允許速度探頭的使用溫度范圍大大超過我們其它的Velomitor 傳感器。
Bently速度傳感器9200-01-05-10-00
本特利Bently速度傳感器
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本特利Bently高溫兩線傳感器,速度傳感器
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本特利Bently加速度計,速度傳感器
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本特利Bently校驗儀
TK-3E
本特利Bently框架模塊:
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本特利Bently半高模塊適配器
本特利Bently半高模塊內部底盤
125388-01
本特利Bently半高模塊卡導軌
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本特利Bently半高模塊內部機箱的螺釘
04300111
本特利Bently電源空白前面板
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本特利Bently電源輸入連接器蓋
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本特利Bently電源輸入蓋螺釘
04310251
本特利Bently顯示器蓋套件
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本特利Bently電源模塊
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蒸汽輪機全稱叫蒸汽渦輪發(fā)動機(Steam turbine)是一種擷。▽⑺訜岷笮纬傻模┧羝畡幽苻D換為渦輪轉動的動能的機械。相較于單級往復式蒸汽機,渦輪蒸汽機大幅改善了熱效率,更接近熱力學中理想的可逆過程,并能提供更大的功率,至今它幾乎完全取代了往復式蒸汽機。渦輪蒸汽機特別適用于火力發(fā)電和核能發(fā)電,世界上大約80%的電是利用渦輪蒸汽機所產生。
燃氣-蒸汽輪機聯(lián)合循環(huán),是把燃氣輪機和蒸氣輪機這兩種按不同熱力循環(huán)工作的熱機聯(lián)合在一起的裝置,有時也簡稱為聯(lián)合循環(huán)。為了提高熱機的效率,應該盡可能地提高熱機中的加熱溫度和降低排熱溫度。但蒸汽輪機和燃氣輪機的熱力循環(huán)都不能很好滿足上述要求。如把它們結合起來,以燃氣輪機的排熱來加熱蒸汽,就可以同時取得燃氣輪機加熱溫度較高和蒸汽輪機排熱溫度較低的雙重優(yōu)點。
汽輪機也稱蒸汽透平發(fā)動機,是一種旋轉式蒸汽動力裝置,高溫高壓蒸汽穿過固定噴嘴成為加速的氣流后噴射到葉片上,使裝有葉片排的轉子旋轉,同時對外做功。汽輪機是現(xiàn)代火力發(fā)電廠的主要設備,也用于冶金工業(yè)、化學工業(yè)、艦船動力裝置中。
汽輪機是能將蒸汽熱能轉化為機械功的外燃回轉式機械。來自鍋爐的蒸汽進入汽輪機后,依次經(jīng)過一 系列環(huán)形配置的噴嘴和動葉,將蒸汽的熱能轉化為汽輪機轉子旋轉的機械能。蒸汽在汽輪機中,以不同方式進行能量轉換,便構成了不同工作原理的汽輪機。
汽輪機種類很多,根據(jù)結構、工作原理、熱力性能、用途、氣缸數(shù)目的不同有多種分類方法。
按結構
有單級汽輪機和多級汽輪機;各級裝在一個汽缸內的單缸汽輪機,和各級分裝在幾個汽缸內的多缸汽輪機;各級裝在一根軸上的單軸汽輪機,和各級裝在兩根平行軸上的雙軸汽輪機等。
按工作原理
有蒸汽主要在各級噴嘴(或靜葉)中膨脹的沖動式汽輪機;蒸汽在靜葉和動葉中都膨脹的反動式汽輪機;以及蒸汽在噴嘴中膨脹后的動能在幾列動葉上加以利用的速度級汽輪機。
按熱力特性
有凝汽式、供熱式、背壓式、抽汽式和飽和蒸汽汽輪機等類型。凝汽式汽輪機排出的蒸汽流入凝汽器,排汽壓力低于大氣壓力,因此具有良好的熱力性能,是為常用的一種汽輪機;供熱式汽輪機既提供動力驅動發(fā)電機或其他機械,又提供生產或生活用熱,具有較高的熱能利用率;背壓式汽輪機的排汽壓力大于大氣壓力的汽輪機;抽汽式汽輪機是能從中間級抽出蒸汽供熱的汽輪機;飽和蒸汽輪機是以飽和狀態(tài)的蒸汽作為新蒸汽的汽輪機。
按用途
可分為為電站汽輪機、工業(yè)汽輪機、船用汽輪機等。
按汽缸數(shù)目
可分為單缸汽輪機、雙缸汽輪機和多缸汽輪機。
其他
另外還可按照蒸汽初壓(低壓、中壓、高壓、超高壓、亞臨界、超臨界、超超臨界)、排列方式(單軸、雙軸)等進行分類。
汽輪機通常在高溫高壓及高轉速的條件下工作,是一種較為精密的重型機械,一般須與鍋爐(或其他蒸汽發(fā)生器)、發(fā)電機(或其他被驅動機械)以及凝汽器、加熱器、泵等組成成套設備,一起協(xié)調配合工作。
由轉動部分和靜止部分兩個方面組成。轉子包括主軸、葉輪、動葉片和聯(lián)軸器等。靜子包括進汽部分、汽缸、隔板和靜葉柵、汽封及軸承等。
汽缸
汽缸是汽輪機的外殼,其作用是將汽輪機的通流部分與大氣隔開,形成封閉的汽室,保證蒸汽在汽輪機內部完成能量的轉換過程,汽缸內安裝著噴嘴室、隔板、隔板套等零部件;汽缸外連接著進汽、排汽、抽汽等管道。
汽缸的高、中壓段一般采用合金鋼或碳鋼鑄造結構,低壓段可根據(jù)容量和結構要求,采用鑄造結構或由簡單鑄件、型鋼及鋼板焊接的焊接結構。
高壓缸有單層缸和雙層缸兩種形式。單層缸多用于中低參數(shù)的汽輪機。雙層缸適用于參數(shù)相對較高的汽輪機。分為高壓內缸和高壓外缸。高壓內缸由水平中分面分開,形成上、下缸,內缸支承在外缸的水平中分面上。高壓外缸由前后共四個貓爪支撐在前軸承箱上。貓爪由下缸一起鑄出,位于下缸的上部,這樣使支承點保持在水平中心線上。
中壓缸由中壓內缸和中壓外缸組成。中壓內缸在水平中分面上分開,形成上下汽缸,內缸支承在外缸的水平中分面上,采用在外缸上加工出來的一外凸臺和在內缸上的一個環(huán)形槽相互配合,保持內缸在軸向的位置。中壓外缸由水平中分面分開,形成上下汽缸。中壓外缸也以前后兩對貓爪分別支撐在中軸承箱和1號低壓缸的前軸承箱上。
低壓缸為反向分流式,每個低壓缸由一個外缸和兩個內缸組成,全部由板件焊接而成。汽缸的上半和下半均在垂直方向被分為三個部分,但在安裝時,上缸垂直結合面已用螺栓連成一體,因此汽缸上半可作為一個零件起吊。低壓外缸由裙式臺板支承,此臺板與汽缸下半制成一體,并沿汽缸下半向兩端延伸。低壓內缸支承在外缸上。每塊裙式臺板分別安裝在被灌漿固定在基礎上的基礎臺板上。低壓缸的位置由裙式臺板和基礎臺板之間的滑銷固定。
轉子
轉子是由合金鋼鍛件整體加工出來的。在高壓轉子調速器端用剛性聯(lián)軸器與一根長軸連接,此節(jié)上軸上裝有主油泵和超速跳閘結構。
所有轉子都被精加工,并且在裝配上所有的葉片后,進行全速轉動試驗和精確動平衡。
套裝轉子:葉輪、軸封套、聯(lián)軸節(jié)等部件都是分別加工后,熱套在階梯型主軸上的。各部件與主軸之間采用過盈配合,以防止葉輪等因離心力及溫差作用引起松動,并用鍵傳遞力矩。中低壓汽輪機的轉子和高壓汽輪機的低壓轉子常采用套裝結構。套裝轉子在高溫下,葉輪與主軸易發(fā)生松動。所以不宜作為高溫汽輪機的高壓轉子。
整鍛轉子:葉輪、軸封套、聯(lián)軸節(jié)等部件與主軸是由一整鍛件削而成,無熱套部分,這解決了高溫下葉輪與軸連接容易松動的問題。這種轉子常用于大型汽輪機的高、中壓轉子。結構緊湊,對啟動和變工況適應性強,宜于高溫下運行,轉子剛性好,但是鍛件大,加工工藝要求高,加工周期長,大鍛件質量難以保證。
焊接轉子:汽輪機低壓轉子質量大,承受的離心力大,采用套裝轉子時葉輪內孔在運行時將發(fā)生較大的彈性形變,因而需要設計較大的裝配過盈量,但這會引起很大的裝配應力,若采用整鍛轉子,質量難以保證,所以采用分段鍛造、焊接組合的焊接轉子。它主要由若干個葉輪與端軸拼合焊接而成。焊接轉子質量輕,鍛件小,結構緊湊,承載能力高,與尺寸相同、有中心孔的整鍛轉子相比,焊接轉子強度高、剛性好,質量輕,但對焊接性能要求高,這種轉子的應用受焊接工藝及檢驗方法和材料種類的限制。
組合轉子:由整鍛結構套裝結構組合而成,兼有兩種轉子的優(yōu)點。
聯(lián)軸器
聯(lián)軸器用來連接汽輪機各個轉子以及發(fā)電機轉子,并將汽輪機的扭矩傳給發(fā)電機,F(xiàn)代汽輪機常用的聯(lián)軸器常用三種形式:剛性聯(lián)軸器,半撓性聯(lián)軸器和撓性聯(lián)軸器。