一、儲罐檢測的周期
儲罐(guan)屬于特種設備,需(xu)(xu)要定期(qi)進(jin)行(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)檢(jian)(jian)(jian)(jian)測(ce)(ce),以免留下(xia)安(an)全(quan)隱患,儲罐(guan)的(de)(de)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)分為外(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)和(he)內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan),外(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)是指(zhi)罐(guan)內(nei)貯存有介質的(de)(de)情況(kuang)(kuang)下(xia),對罐(guan)的(de)(de)各個(ge)部(bu)(bu)位部(bu)(bu)件進(jin)行(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan),包括目視檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)、聲發(fa)射檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)、沉降(jiang)觀測(ce)(ce)等;內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)為罐(guan)內(nei)的(de)(de)介質清空(kong)之后(hou),對罐(guan)的(de)(de)各個(ge)部(bu)(bu)位部(bu)(bu)件進(jin)行(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan),包括底板(ban)背面腐(fu)蝕(shi)狀況(kuang)(kuang)檢(jian)(jian)(jian)(jian)測(ce)(ce)、焊縫無損(sun)檢(jian)(jian)(jian)(jian)測(ce)(ce)、真空(kong)箱檢(jian)(jian)(jian)(jian)測(ce)(ce)等。儲罐(guan)的(de)(de)檢(jian)(jian)(jian)(jian)測(ce)(ce)周期(qi)需(xu)(xu)要根據儲罐(guan)的(de)(de)技術(shu)使(shi)用(yong)(yong)條件來確定和(he)計算,一(yi)(yi)般正常情況(kuang)(kuang)下(xia),檢(jian)(jian)(jian)(jian)測(ce)(ce)周期(qi)為:外(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)查(cha)每(mei)年(nian)至少(shao)一(yi)(yi)次,內(nei)部(bu)(bu)檢(jian)(jian)(jian)(jian)查(cha)每(mei)3年(nian)至少(shao)一(yi)(yi)次,全(quan)面檢(jian)(jian)(jian)(jian)查(cha)每(mei)6年(nian)至少(shao)一(yi)(yi)次。若儲罐(guan)使(shi)用(yong)(yong)年(nian)限達到15年(nian)以上(shang),則(ze)每(mei)兩年(nian)則(ze)需(xu)(xu)進(jin)行(xing)一(yi)(yi)次內(nei)外(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan),若使(shi)用(yong)(yong)年(nian)限達20年(nian),則(ze)每(mei)一(yi)(yi)年(nian)至少(shao)進(jin)行(xing)一(yi)(yi)次內(nei)外(wai)部(bu)(bu)檢(jian)(jian)(jian)(jian)查(cha)。
二、儲罐呼吸閥工作原理
儲(chu)(chu)(chu)罐(guan)(guan)(guan)呼吸(xi)閥(fa)(fa)(fa)是(shi)安(an)裝在(zai)(zai)儲(chu)(chu)(chu)罐(guan)(guan)(guan)頂上(shang)(shang)的(de)(de)(de)部件,主要(yao)用(yong)來滿足(zu)儲(chu)(chu)(chu)罐(guan)(guan)(guan)大小呼吸(xi)的(de)(de)(de)通氣(qi)(qi)(qi)要(yao)求,一般由壓力(li)閥(fa)(fa)(fa)和真空閥(fa)(fa)(fa)兩(liang)部分(fen)組成,它的(de)(de)(de)作用(yong)是(shi)在(zai)(zai)一般情況下(xia),保持儲(chu)(chu)(chu)罐(guan)(guan)(guan)的(de)(de)(de)密閉性(xing)(xing),在(zai)(zai)一定程度上(shang)(shang)減少儲(chu)(chu)(chu)罐(guan)(guan)(guan)內(nei)(nei)儲(chu)(chu)(chu)存物質的(de)(de)(de)蒸發損耗;在(zai)(zai)必要(yao)時(shi),它又能自動通氣(qi)(qi)(qi),調節平衡(heng)儲(chu)(chu)(chu)罐(guan)(guan)(guan)內(nei)(nei)外壓力(li),對儲(chu)(chu)(chu)罐(guan)(guan)(guan)起(qi)到安(an)全作用(yong),其工(gong)作原理是(shi):當罐(guan)(guan)(guan)內(nei)(nei)介質的(de)(de)(de)壓力(li)在(zai)(zai)呼吸(xi)閥(fa)(fa)(fa)的(de)(de)(de)控制(zhi)操作壓力(li)范圍之內(nei)(nei)時(shi),呼吸(xi)閥(fa)(fa)(fa)不(bu)工(gong)作,保持儲(chu)(chu)(chu)罐(guan)(guan)(guan)的(de)(de)(de)密封(feng)性(xing)(xing);當往(wang)罐(guan)(guan)(guan)內(nei)(nei)補(bu)充(chong)介質,使罐(guan)(guan)(guan)內(nei)(nei)上(shang)(shang)部氣(qi)(qi)(qi)體(ti)空間的(de)(de)(de)壓力(li)升高,達到呼吸(xi)閥(fa)(fa)(fa)的(de)(de)(de)操作正壓時(shi),壓力(li)閥(fa)(fa)(fa)被頂開,氣(qi)(qi)(qi)體(ti)從(cong)呼吸(xi)閥(fa)(fa)(fa)呼出(chu)口逸出(chu),使罐(guan)(guan)(guan)內(nei)(nei)壓力(li)不(bu)在(zai)(zai)繼續增高;罐(guan)(guan)(guan)外的(de)(de)(de)大氣(qi)(qi)(qi)將(jiang)頂開呼吸(xi)閥(fa)(fa)(fa)的(de)(de)(de)負壓閥(fa)(fa)(fa)盤,將(jiang)儲(chu)(chu)(chu)罐(guan)(guan)(guan)中的(de)(de)(de)空間和大氣(qi)(qi)(qi)進行隔絕(jue),從(cong)而(er)保護儲(chu)(chu)(chu)罐(guan)(guan)(guan)的(de)(de)(de)安(an)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
貯罐(guan),讀(du)作zhù guàn,是貯存(cun)各種液體(ti)(ti)原料、半(ban)成(cheng)(cheng)品(pin)(pin)或成(cheng)(cheng)品(pin)(pin)的(de)設(she)備(bei),它和(he)儲(chu)(chu)(chu)(chu)(chu)罐(guan)實際上(shang)并沒有什么(me)區(qu)別,是同(tong)一物體(ti)(ti)的(de)兩個(ge)不同(tong)稱呼。從字面意(yi)(yi)思(si)上(shang)來看,貯是儲(chu)(chu)(chu)(chu)(chu)存(cun)的(de)意(yi)(yi)思(si),如貯存(cun)、貯藏、貯積(ji);儲(chu)(chu)(chu)(chu)(chu)是積(ji)蓄(xu)的(de)意(yi)(yi)思(si),如儲(chu)(chu)(chu)(chu)(chu)蓄(xu)、儲(chu)(chu)(chu)(chu)(chu)備(bei)、儲(chu)(chu)(chu)(chu)(chu)金、儲(chu)(chu)(chu)(chu)(chu)放(fang)、儲(chu)(chu)(chu)(chu)(chu)運,它們都有存(cun)放(fang)的(de)意(yi)(yi)思(si);通過(guo)查詢定義(yi)也發現二者是差不多的(de),貯罐(guan)指用(yong)(yong)于貯存(cun)各種液體(ti)(ti)原料、半(ban)成(cheng)(cheng)品(pin)(pin)或成(cheng)(cheng)品(pin)(pin)的(de)設(she)備(bei),儲(chu)(chu)(chu)(chu)(chu)罐(guan)是用(yong)(yong)以存(cun)放(fang)酸、醇、氣體(ti)(ti)等提煉的(de)化學物質的(de)設(she)備(bei)。因此,綜上(shang)所述,貯罐(guan)和(he)儲(chu)(chu)(chu)(chu)(chu)罐(guan)實際上(shang)是同(tong)一種物體(ti)(ti)的(de)兩個(ge)不同(tong)稱呼,二者實際上(shang)并沒有什么(me)區(qu)別,用(yong)(yong)儲(chu)(chu)(chu)(chu)(chu)罐(guan)或貯罐(guan)都可以。