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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="sgn78hy" class="twoCol"><div id="lelsmic" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?四川水滴型雷達(dá)料位計(jì)源頭直供廠家來電咨詢江蘇中徽測控儀表供應(yīng)</p><div id="nwdfcog" class="leftbox clearfix"><h1>四川水滴型雷達(dá)料位計(jì)源頭直供廠家來電咨詢江蘇中徽測控儀表供應(yīng)</h1><div id="z3by7bi" class="proBig"><div id="tp3jqx8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175368623729/8668882.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tw2wtfw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175368623729/8668882.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wp8asuw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川水滴型雷達(dá)料位計(jì)源頭直供廠家,雷達(dá)料位計(jì)</p><p><span>***更新：</span>2021-01-02 04:09:45</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3m78rln" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="foqiugd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2gfh2zb" class="box"><p><p> 安裝應(yīng)注意的問題 </p> <p> 盡量避免在發(fā)射角內(nèi)有造成假反射的裝置。特別要避免在距離天線近的1/3錐形發(fā)射區(qū)內(nèi)有障礙裝置（因?yàn)檎系K裝置越近，虛假反射信號(hào)越強(qiáng)）。若實(shí)在避免不了，建議用一個(gè)折射板將過強(qiáng)的虛假反射信號(hào)折射走。這樣可以減小假回波的能量密度，使傳感器較容易地將虛假信號(hào)濾出。 </p> <p> 要避開進(jìn)料口，以免產(chǎn)生虛假反射。 </p> <p> 傳感器不要安裝在拱形罐的中心處（否則傳感器收到的虛假回波會(huì)增強(qiáng)），也不能距離罐壁很近安裝，四川水滴型雷達(dá)料位計(jì)源頭直供廠家，比較好安裝位置在容器半徑的1/2處，四川水滴型雷達(dá)料位計(jì)源頭直供廠家。 </p> <p> 要避免安裝在有很強(qiáng)渦流的地方。如：由于攪拌或很強(qiáng)的化學(xué)反應(yīng)等，建議采用導(dǎo)波管或旁通管測量。 </p> <p> 若傳感器安裝在接管上，天線必須從接管伸出來，四川水滴型雷達(dá)料位計(jì)源頭直供廠家。喇叭口天線伸出接管至少10mm。棒式天線接管長度比較大100或250mm。接管直徑小250mm?？梢圆扇〖哟蠼庸苤睆降姆椒?，以減少由于接管產(chǎn)生的干擾回波。 </p> <p> 關(guān)于導(dǎo)波管天線：導(dǎo)波管內(nèi)壁一定要光滑，下面開口的導(dǎo)波管必須達(dá)到需要的比較低液位，這樣才能在管道中進(jìn)行測量。傳感器的類型牌要對準(zhǔn)導(dǎo)波管開孔的軸線。若被測介電常數(shù)小于4，需在導(dǎo)波管末端安裝反射板，或?qū)?dǎo)波管末端彎成一個(gè)彎度，將容器底的反射回波折射走。雷達(dá)料位計(jì)適用于酸堿儲(chǔ)罐、漿料儲(chǔ)罐、固體顆粒、小型儲(chǔ)油罐。各類導(dǎo)電、非導(dǎo)電介質(zhì)、腐蝕性介質(zhì)。四川水滴型雷達(dá)料位計(jì)源頭直供廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水滴型雷達(dá)料位計(jì)源頭直供廠家,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175368623729/8668882.png"></div><p> 微波雷達(dá)料位計(jì)測量原理通過從容器頂部天線發(fā)射的雷達(dá)信號(hào)對容器內(nèi)產(chǎn)品的料位進(jìn)行測量。在雷達(dá)信號(hào)被物料表面反射后,回波被天線接收。由于信號(hào)頻率不斷變化,與此時(shí)發(fā)射的信號(hào)相比,回波的頻率稍微有所不同。頻率的差異與產(chǎn)品表面的距離成比例,因此可以*計(jì)算料位。這種方法被稱為FMCW(調(diào)頻連續(xù)波)并用于雷達(dá)變送器。系統(tǒng)構(gòu)成系統(tǒng)由雷達(dá)料位變送器、天線、顯示設(shè)備、保護(hù)裝置、導(dǎo)線和電源組成。雷達(dá)料位變送器冋產(chǎn)品表面發(fā)送頻率連續(xù)變化的微波信號(hào)。當(dāng)反射信號(hào)返回天線時(shí),與向外發(fā)射的信號(hào)混合。由于變送器連續(xù)改變發(fā)射信號(hào)的頻率,因此在發(fā)射信號(hào)與反射信號(hào)之間存在頻率差異變送器將這兩種信號(hào)混合,從而產(chǎn)生與產(chǎn)品表面距離成比例的低頻信號(hào)。雷達(dá)料位變送器使用快速傅立葉變換(FFT)技術(shù),其軟件模塊軟件設(shè)置RadarMaster(雷達(dá)主機(jī))軟件包可提供組態(tài)和維護(hù)功能,也包括測量數(shù)據(jù)顯示功能。采用HART技術(shù),可通過手持通訊器或微機(jī)對測量數(shù)據(jù)進(jìn)行組態(tài)和監(jiān)控?；窘M態(tài)設(shè)置的內(nèi)容有天線、儲(chǔ)罐幾何尺寸、模擬輸出、過程條件、溫度測量、容量計(jì)算等。在基本組態(tài)設(shè)置后,需要根據(jù)應(yīng)用對變送器進(jìn)行優(yōu)化。在某些情況下,必須利用高級(jí)功能對變送器進(jìn)一步組態(tài)。浙江水滴型雷達(dá)料位計(jì)價(jià)格發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水滴型雷達(dá)料位計(jì)源頭直供廠家,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175790254880/7750570.png"></div><p> 脈沖型雷達(dá) </p> <p> 用于測物位的雷達(dá)料位計(jì)通常分為兩類：脈沖型雷達(dá)（Pulse）和調(diào)頻連續(xù)波雷達(dá)（FMCW）。在過程監(jiān)測場合主要選用脈沖型雷達(dá)，由于其頻率較低（6.3GHz），并且在天線結(jié)構(gòu)設(shè)計(jì)時(shí)充分考慮了冷凝、積料等影響，還能利用超聲波料位計(jì)中的回波信號(hào)處理，在有攪拌器等復(fù)雜工況中也能識(shí)別有效回波，價(jià)格相對也較便宜. </p> <p> 顆粒狀物料的選型 </p> <p> 在水泥廠原料大多是顆粒狀物料，個(gè)別是塊料，如石灰石、原煤、頁巖等，其半成品熟料也是顆粒狀物料，儲(chǔ)存在庫或倉里，都存在物料的安息角，但也有反射介面。根據(jù)入料和卸料所形成的物料安息角和表面情況，在確定有效量程后，建議采用非接觸型的雷達(dá)料位計(jì)，即帶有棒形或號(hào)角形天線的料位計(jì)。如用接觸型的雷達(dá)料位計(jì)，會(huì)產(chǎn)生對纜繩較大的下拉力，造成事故。根據(jù)水泥廠信息反饋，號(hào)角形天線的料位計(jì)回波更強(qiáng)，精確度更高（±0.2％～±1％F.S）,常用型號(hào)為PULS54。 </p><p> 雷達(dá)料位計(jì)在干熄爐應(yīng)用中存在的問題及改造方案 </p> <p> 存在問題 </p> <p> 由于技術(shù)上的局限性,紅焦的料位無法用儀器直接測量,只能通過對相關(guān)量的計(jì)算得出。為提高計(jì)算的準(zhǔn)確性和有效性,還需采用γ射線料位計(jì),對料位的計(jì)算進(jìn)行固定點(diǎn)的強(qiáng)制校準(zhǔn)。工藝上要求每個(gè)班次必須調(diào)整料位,使其至少有1次穿越x射線料位計(jì)所在的平面,以實(shí)現(xiàn)強(qiáng)制校準(zhǔn)。 </p> <p> 公司5、6號(hào)焦?fàn)t的干熄焦設(shè)置了1套日本東芝公司的x射線料位計(jì),投產(chǎn)初期的工作較為正常,但運(yùn)行4年后,料位計(jì)的誤動(dòng)作逐漸增多,其主要原因是核源的衰減。由于核源的衰減曲線是按指數(shù)規(guī)律變化,時(shí)間越長衰減就越嚴(yán)重,因此要恢復(fù)射線料位計(jì)的正常使用就需要更換核源自2006年起,國內(nèi)在干熄焦裝置中應(yīng)用微波雷達(dá)料位計(jì)已有成功例子,但都使用在新建裝置上。2007年底,我們利用5、6號(hào)焦?fàn)t干熄焦裝置年修的時(shí)機(jī),對干熄槽料位的測量系統(tǒng)進(jìn)行了改造,即將Y射線料位計(jì)改造為微波雷達(dá)料位計(jì)。雷達(dá)料位計(jì)是利用回波測距原理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水滴型雷達(dá)料位計(jì)源頭直供廠家,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175722803277/793247.png"></div><p style="text-indent:25px"> 物位是水泥工業(yè)生產(chǎn)過程的主要測量參數(shù)之一，和其他行業(yè)不同，在水泥工業(yè)中主要是固體物料的物位測量，液位測量則很少。固體物料種類繁多，有塊料、顆粒狀、粉料，這些物料的介電常數(shù)、容重、溫度、水分含量也各不相同。接觸式測量是過去測量物位的主要手段，如電容式、重錘式、音叉式、阻旋式等測量方法，由于測量時(shí)儀表和物料是接觸的，在使用過程中往往會(huì)出現(xiàn)各種問題，如電容的掛料；重錘的斷錘、埋錘；音叉的堵料等，且日常的維護(hù)量很大。到20世紀(jì)90年代，水泥工業(yè)開始采用非接觸的物位測量，較早成熟的非接觸的測量技術(shù)有超聲波技術(shù)和核輻射技術(shù)（γ射線），核輻射技術(shù)因有放射源，在應(yīng)用上受到限制。由于雷達(dá)料位計(jì)采用了上述先進(jìn)的回波處理和數(shù)據(jù)處理技術(shù)，加上雷達(dá)波本身頻率高，穿透性能好的特點(diǎn)。四川水滴型雷達(dá)料位計(jì)源頭直供廠家</p><p style="text-indent:25px">雷達(dá)料位計(jì)，適用于固體料、過程容器或強(qiáng)粉塵易結(jié)晶、結(jié)露場合。四川水滴型雷達(dá)料位計(jì)源頭直供廠家</p><p> 安裝應(yīng)注意的問題(1)當(dāng)測量液態(tài)物料時(shí)，傳感器的軸線和介質(zhì)表面保持垂直；當(dāng)測量固態(tài)物料時(shí)，由于固體介質(zhì)會(huì)有一個(gè)堆角，傳感器要傾斜一定的角度。(2)盡量避免在發(fā)射角內(nèi)有造成假反射的裝置。特別要避免在距離天線近的1/3錐形發(fā)射區(qū)內(nèi)有障礙裝置（因?yàn)檎系K裝置越近，虛假反射信號(hào)越強(qiáng)）。若實(shí)在避免不了，建議用一個(gè)折射板將過強(qiáng)的虛假反射信號(hào)折射走。這樣可以減小假回波的能量密度，使傳感器較容易地將虛假信號(hào)濾出。(3)要避開進(jìn)料口，以免產(chǎn)生虛假反射。(4)傳感器不要安裝在拱形罐的中心處（否則傳感器收到的虛假回波會(huì)增強(qiáng)），也不能距離罐壁很近安裝，比較好安裝位置在容器半徑的1/2處。(5)要避免安裝在有很強(qiáng)渦流的地方。如：由于攪拌或很強(qiáng)的化學(xué)反應(yīng)等，建議采用導(dǎo)波管或旁通管測量。(6)若傳感器安裝在接管上，天線必須從接管伸出來。喇叭口天線伸出接管至少10mm。棒式天線接管長度比較大100或250mm。接管直徑小250mm?？梢圆扇〖哟蠼庸苤睆降姆椒?，以減少由于接管產(chǎn)生的干擾回波。四川水滴型雷達(dá)料位計(jì)源頭直供廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2666452.html</p></div></div></div></div></div><div id="xwta8mt" class="page-right twoColRt"><div id="ue8khof" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8pwyse3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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