芒果视频

化工儲罐行業簡介

一、儲罐檢測的周期

儲(chu)罐(guan)(guan)(guan)屬于特種設備，需要定期(qi)進(jin)行(xing)(xing)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)，以免留下安全(quan)隱患，儲(chu)罐(guan)(guan)(guan)的(de)(de)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)分為外(wai)(wai)(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)和(he)內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)，外(wai)(wai)(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)是指罐(guan)(guan)(guan)內(nei)貯存有介(jie)質的(de)(de)情況(kuang)下，對(dui)罐(guan)(guan)(guan)的(de)(de)各個部(bu)(bu)位(wei)部(bu)(bu)件(jian)(jian)進(jin)行(xing)(xing)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)，包括(kuo)目視檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)、聲發射檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)、沉降觀測(ce)(ce)(ce)(ce)等；內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)為罐(guan)(guan)(guan)內(nei)的(de)(de)介(jie)質清空之后，對(dui)罐(guan)(guan)(guan)的(de)(de)各個部(bu)(bu)位(wei)部(bu)(bu)件(jian)(jian)進(jin)行(xing)(xing)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)，包括(kuo)底板背面腐蝕狀況(kuang)檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)、焊縫(feng)無(wu)損檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)、真空箱檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)等。儲(chu)罐(guan)(guan)(guan)的(de)(de)檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)周(zhou)期(qi)需要根據儲(chu)罐(guan)(guan)(guan)的(de)(de)技術使(shi)用條件(jian)(jian)來確定和(he)計算，一般正常(chang)情況(kuang)下，檢(jian)(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)周(zhou)期(qi)為：外(wai)(wai)(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)查每年(nian)至少(shao)(shao)一次，內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)查每3年(nian)至少(shao)(shao)一次，全(quan)面檢(jian)(jian)(jian)(jian)(jian)(jian)查每6年(nian)至少(shao)(shao)一次。若儲(chu)罐(guan)(guan)(guan)使(shi)用年(nian)限達(da)到15年(nian)以上，則(ze)每兩(liang)年(nian)則(ze)需進(jin)行(xing)(xing)一次內(nei)外(wai)(wai)(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)，若使(shi)用年(nian)限達(da)20年(nian)，則(ze)每一年(nian)至少(shao)(shao)進(jin)行(xing)(xing)一次內(nei)外(wai)(wai)(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)(jian)(jian)查。

二、儲罐呼吸閥工作原理

儲(chu)(chu)罐(guan)(guan)(guan)呼(hu)吸(xi)(xi)(xi)閥(fa)是安裝在(zai)(zai)儲(chu)(chu)罐(guan)(guan)(guan)頂上的(de)(de)部(bu)件，主要用來(lai)滿足儲(chu)(chu)罐(guan)(guan)(guan)大(da)小呼(hu)吸(xi)(xi)(xi)的(de)(de)通氣要求，一般(ban)由壓力閥(fa)和真空(kong)閥(fa)兩(liang)部(bu)分組成，它的(de)(de)作用是在(zai)(zai)一般(ban)情(qing)況下，保(bao)(bao)持儲(chu)(chu)罐(guan)(guan)(guan)的(de)(de)密(mi)閉性(xing)，在(zai)(zai)一定程度上減少(shao)儲(chu)(chu)罐(guan)(guan)(guan)內儲(chu)(chu)存物質(zhi)的(de)(de)蒸發損(sun)耗(hao)；在(zai)(zai)必要時(shi)，它又(you)能自(zi)動通氣，調節平衡儲(chu)(chu)罐(guan)(guan)(guan)內外壓力，對(dui)儲(chu)(chu)罐(guan)(guan)(guan)起到(dao)(dao)安全作用，其工作原(yuan)理是：當(dang)罐(guan)(guan)(guan)內介質(zhi)的(de)(de)壓力在(zai)(zai)呼(hu)吸(xi)(xi)(xi)閥(fa)的(de)(de)控制(zhi)操(cao)作壓力范(fan)圍之內時(shi)，呼(hu)吸(xi)(xi)(xi)閥(fa)不工作，保(bao)(bao)持儲(chu)(chu)罐(guan)(guan)(guan)的(de)(de)密(mi)封性(xing)；當(dang)往罐(guan)(guan)(guan)內補(bu)充(chong)介質(zhi)，使罐(guan)(guan)(guan)內上部(bu)氣體空(kong)間(jian)的(de)(de)壓力升(sheng)高，達(da)到(dao)(dao)呼(hu)吸(xi)(xi)(xi)閥(fa)的(de)(de)操(cao)作正壓時(shi)，壓力閥(fa)被頂開，氣體從呼(hu)吸(xi)(xi)(xi)閥(fa)呼(hu)出(chu)口逸出(chu)，使罐(guan)(guan)(guan)內壓力不在(zai)(zai)繼續增高；罐(guan)(guan)(guan)外的(de)(de)大(da)氣將頂開呼(hu)吸(xi)(xi)(xi)閥(fa)的(de)(de)負壓閥(fa)盤，將儲(chu)(chu)罐(guan)(guan)(guan)中(zhong)的(de)(de)空(kong)間(jian)和大(da)氣進(jin)行隔絕，從而保(bao)(bao)護儲(chu)(chu)罐(guan)(guan)(guan)的(de)(de)安全。

三、儲罐類型有哪些

儲罐的種類眾多，按照不同的分類方法可分為不同類型：1、按位置歸類：可分成地上儲罐、海上儲罐、半地下儲罐、地下儲罐、海底儲罐等。2、按油品歸類：可分成原油儲罐、食用油罐、潤滑油罐、燃油儲罐、消防水罐等。3、按用途歸類：可分成原料罐、成品罐、中間產品罐、廢料罐等。4、按方式歸類：可分成立式儲罐、球形儲罐、雙曲線儲罐（滴形儲罐）、臥式儲罐、懸鏈式儲罐（無力矩儲罐）等。5、按溫度歸類：常溫儲罐、低溫儲罐、高溫儲罐。6、按壓力歸類：常壓儲罐、低壓儲罐、高壓儲罐。7、按儲罐材料歸類：聚乙烯儲罐、橡膠儲罐、玻璃鋼儲罐、陶瓷儲罐、聚丙烯儲罐、不銹鋼儲罐等。8、按容量歸類： 50m3以上為大型儲罐，多為立式儲罐；50m3以下的為小型儲罐。如果您需要購買儲罐，可以先來了解一下儲罐十大品牌。

四、貯罐和儲罐的區別

貯(zhu)(zhu)(zhu)罐(guan)(guan)，讀作zhù guàn，是(shi)(shi)貯(zhu)(zhu)(zhu)存(cun)(cun)各種(zhong)液體(ti)原料、半成品(pin)(pin)或(huo)成品(pin)(pin)的(de)設備(bei)，它(ta)和儲(chu)(chu)罐(guan)(guan)實際(ji)上并(bing)沒有什(shen)么區(qu)別，是(shi)(shi)同一(yi)物(wu)(wu)體(ti)的(de)兩個不(bu)(bu)同稱(cheng)呼(hu)。從字面意思上來看，貯(zhu)(zhu)(zhu)是(shi)(shi)儲(chu)(chu)存(cun)(cun)的(de)意思，如貯(zhu)(zhu)(zhu)存(cun)(cun)、貯(zhu)(zhu)(zhu)藏、貯(zhu)(zhu)(zhu)積；儲(chu)(chu)是(shi)(shi)積蓄的(de)意思，如儲(chu)(chu)蓄、儲(chu)(chu)備(bei)、儲(chu)(chu)金、儲(chu)(chu)放、儲(chu)(chu)運，它(ta)們都(dou)有存(cun)(cun)放的(de)意思；通(tong)過查詢定義也發現二(er)者(zhe)是(shi)(shi)差不(bu)(bu)多的(de)，貯(zhu)(zhu)(zhu)罐(guan)(guan)指用于貯(zhu)(zhu)(zhu)存(cun)(cun)各種(zhong)液體(ti)原料、半成品(pin)(pin)或(huo)成品(pin)(pin)的(de)設備(bei)，儲(chu)(chu)罐(guan)(guan)是(shi)(shi)用以(yi)存(cun)(cun)放酸、醇、氣體(ti)等提煉的(de)化學物(wu)(wu)質的(de)設備(bei)。因此，綜上所述，貯(zhu)(zhu)(zhu)罐(guan)(guan)和儲(chu)(chu)罐(guan)(guan)實際(ji)上是(shi)(shi)同一(yi)種(zhong)物(wu)(wu)體(ti)的(de)兩個不(bu)(bu)同稱(cheng)呼(hu)，二(er)者(zhe)實際(ji)上并(bing)沒有什(shen)么區(qu)別，用儲(chu)(chu)罐(guan)(guan)或(huo)貯(zhu)(zhu)(zhu)罐(guan)(guan)都(dou)可以(yi)。