一、儲罐檢測的周期
儲(chu)罐(guan)(guan)(guan)(guan)(guan)屬(shu)于特種設(she)備,需(xu)要(yao)定(ding)期進行(xing)(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)檢(jian)(jian)(jian)(jian)測,以免留下(xia)安(an)全隱患,儲(chu)罐(guan)(guan)(guan)(guan)(guan)的(de)(de)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)分為外(wai)部(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)和(he)內(nei)部(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan),外(wai)部(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)是指罐(guan)(guan)(guan)(guan)(guan)內(nei)貯存有(you)介(jie)質(zhi)的(de)(de)情況(kuang)下(xia),對罐(guan)(guan)(guan)(guan)(guan)的(de)(de)各(ge)個部(bu)位(wei)(wei)部(bu)件(jian)進行(xing)(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan),包(bao)括目(mu)視檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)、聲發射檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)、沉(chen)降觀測等(deng);內(nei)部(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan)為罐(guan)(guan)(guan)(guan)(guan)內(nei)的(de)(de)介(jie)質(zhi)清空之(zhi)后,對罐(guan)(guan)(guan)(guan)(guan)的(de)(de)各(ge)個部(bu)位(wei)(wei)部(bu)件(jian)進行(xing)(xing)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan),包(bao)括底(di)板背面腐蝕狀況(kuang)檢(jian)(jian)(jian)(jian)測、焊縫無損檢(jian)(jian)(jian)(jian)測、真空箱檢(jian)(jian)(jian)(jian)測等(deng)。儲(chu)罐(guan)(guan)(guan)(guan)(guan)的(de)(de)檢(jian)(jian)(jian)(jian)測周(zhou)期需(xu)要(yao)根據儲(chu)罐(guan)(guan)(guan)(guan)(guan)的(de)(de)技術使(shi)用(yong)條件(jian)來(lai)確(que)定(ding)和(he)計算(suan),一(yi)(yi)(yi)般正常(chang)情況(kuang)下(xia),檢(jian)(jian)(jian)(jian)測周(zhou)期為:外(wai)部(bu)檢(jian)(jian)(jian)(jian)查(cha)每(mei)年(nian)(nian)至少(shao)一(yi)(yi)(yi)次(ci),內(nei)部(bu)檢(jian)(jian)(jian)(jian)查(cha)每(mei)3年(nian)(nian)至少(shao)一(yi)(yi)(yi)次(ci),全面檢(jian)(jian)(jian)(jian)查(cha)每(mei)6年(nian)(nian)至少(shao)一(yi)(yi)(yi)次(ci)。若儲(chu)罐(guan)(guan)(guan)(guan)(guan)使(shi)用(yong)年(nian)(nian)限達(da)到15年(nian)(nian)以上,則(ze)每(mei)兩年(nian)(nian)則(ze)需(xu)進行(xing)(xing)一(yi)(yi)(yi)次(ci)內(nei)外(wai)部(bu)檢(jian)(jian)(jian)(jian)驗(yan)(yan)(yan)(yan),若使(shi)用(yong)年(nian)(nian)限達(da)20年(nian)(nian),則(ze)每(mei)一(yi)(yi)(yi)年(nian)(nian)至少(shao)進行(xing)(xing)一(yi)(yi)(yi)次(ci)內(nei)外(wai)部(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(hu)吸(xi)(xi)(xi)閥是安裝在儲(chu)(chu)(chu)罐(guan)(guan)(guan)頂(ding)上(shang)(shang)的(de)(de)部件,主要(yao)用(yong)來滿足儲(chu)(chu)(chu)罐(guan)(guan)(guan)大(da)小呼(hu)吸(xi)(xi)(xi)的(de)(de)通(tong)氣(qi)要(yao)求,一般由壓(ya)力閥和真空閥兩部分組成,它的(de)(de)作(zuo)(zuo)用(yong)是在一般情況下(xia),保持儲(chu)(chu)(chu)罐(guan)(guan)(guan)的(de)(de)密(mi)(mi)閉(bi)性,在一定程(cheng)度上(shang)(shang)減少(shao)儲(chu)(chu)(chu)罐(guan)(guan)(guan)內(nei)儲(chu)(chu)(chu)存物質(zhi)(zhi)的(de)(de)蒸發損耗;在必要(yao)時(shi),它又能自動通(tong)氣(qi),調節(jie)平(ping)衡儲(chu)(chu)(chu)罐(guan)(guan)(guan)內(nei)外壓(ya)力,對儲(chu)(chu)(chu)罐(guan)(guan)(guan)起到安全作(zuo)(zuo)用(yong),其工作(zuo)(zuo)原理是:當罐(guan)(guan)(guan)內(nei)介(jie)質(zhi)(zhi)的(de)(de)壓(ya)力在呼(hu)吸(xi)(xi)(xi)閥的(de)(de)控制操作(zuo)(zuo)壓(ya)力范圍(wei)之內(nei)時(shi),呼(hu)吸(xi)(xi)(xi)閥不工作(zuo)(zuo),保持儲(chu)(chu)(chu)罐(guan)(guan)(guan)的(de)(de)密(mi)(mi)封性;當往(wang)罐(guan)(guan)(guan)內(nei)補充介(jie)質(zhi)(zhi),使(shi)罐(guan)(guan)(guan)內(nei)上(shang)(shang)部氣(qi)體空間(jian)的(de)(de)壓(ya)力升高(gao),達到呼(hu)吸(xi)(xi)(xi)閥的(de)(de)操作(zuo)(zuo)正壓(ya)時(shi),壓(ya)力閥被頂(ding)開,氣(qi)體從呼(hu)吸(xi)(xi)(xi)閥呼(hu)出口逸(yi)出,使(shi)罐(guan)(guan)(guan)內(nei)壓(ya)力不在繼(ji)續增(zeng)高(gao);罐(guan)(guan)(guan)外的(de)(de)大(da)氣(qi)將(jiang)頂(ding)開呼(hu)吸(xi)(xi)(xi)閥的(de)(de)負壓(ya)閥盤,將(jiang)儲(chu)(chu)(chu)罐(guan)(guan)(guan)中的(de)(de)空間(jian)和大(da)氣(qi)進行隔絕(jue),從而保護儲(chu)(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)罐,讀作zhù guàn,是(shi)貯(zhu)存(cun)各種液體(ti)(ti)原料、半(ban)成(cheng)品(pin)或成(cheng)品(pin)的(de)(de)設備,它和儲罐實際(ji)(ji)(ji)上(shang)并沒有(you)什(shen)么區(qu)別(bie),是(shi)同一(yi)物體(ti)(ti)的(de)(de)兩個不同稱呼(hu)。從字面意(yi)(yi)思(si)(si)上(shang)來看,貯(zhu)是(shi)儲存(cun)的(de)(de)意(yi)(yi)思(si)(si),如貯(zhu)存(cun)、貯(zhu)藏(zang)、貯(zhu)積(ji)(ji);儲是(shi)積(ji)(ji)蓄的(de)(de)意(yi)(yi)思(si)(si),如儲蓄、儲備、儲金(jin)、儲放、儲運,它們都有(you)存(cun)放的(de)(de)意(yi)(yi)思(si)(si);通過(guo)查詢定義也發(fa)現二(er)者(zhe)(zhe)是(shi)差不多的(de)(de),貯(zhu)罐指(zhi)用(yong)于貯(zhu)存(cun)各種液體(ti)(ti)原料、半(ban)成(cheng)品(pin)或成(cheng)品(pin)的(de)(de)設備,儲罐是(shi)用(yong)以存(cun)放酸、醇(chun)、氣體(ti)(ti)等提煉的(de)(de)化學物質的(de)(de)設備。因(yin)此(ci),綜上(shang)所述(shu),貯(zhu)罐和儲罐實際(ji)(ji)(ji)上(shang)是(shi)同一(yi)種物體(ti)(ti)的(de)(de)兩個不同稱呼(hu),二(er)者(zhe)(zhe)實際(ji)(ji)(ji)上(shang)并沒有(you)什(shen)么區(qu)別(bie),用(yong)儲罐或貯(zhu)罐都可以。