久久99国产精品久久99果冻传媒分享

臥式儲罐的類別及組成

臥(wo)式儲(chu)(chu)罐(guan)(guan)與立式儲(chu)(chu)罐(guan)(guan)相比，容量(liang)較(jiao)小，承壓能力變化(hua)(hua)范圍寬。最(zui)(zui)大容量(liang)400m3，實際使(shi)用(yong)一(yi)般不超過120m3，最(zui)(zui)常用(yong)的是50m3。適宜在各(ge)種(zhong)工藝條件下(xia)使(shi)用(yong)，在煉油化(hua)(hua)工廠多用(yong)于(yu)儲(chu)(chu)存液(ye)化(hua)(hua)石油氣(qi)、丙(bing)烯、液(ye)氨等，各(ge)種(zhong)工藝性儲(chu)(chu)罐(guan)(guan)也多用(yong)小型臥(wo)式儲(chu)(chu)罐(guan)(guan)；在中小型油庫用(yong)臥(wo)式儲(chu)(chu)罐(guan)(guan)儲(chu)(chu)存汽油、柴(chai)...

球罐的組成及附件介紹

球(qiu)(qiu)罐(guan)(guan)（球(qiu)(qiu)形儲罐(guan)(guan)）由球(qiu)(qiu)罐(guan)(guan)本體、支座(zuo)及附(fu)件組成(cheng)，如圖12.10所示。1.球(qiu)(qiu)罐(guan)(guan)本體球(qiu)(qiu)罐(guan)(guan)本體是球(qiu)(qiu)罐(guan)(guan)結構(gou)的(de)(de)主(zhu)體，它是球(qiu)(qiu)罐(guan)(guan)儲存物料并承受(shou)物料工(gong)作壓力和液體靜壓力的(de)(de)構(gou)件。球(qiu)(qiu)罐(guan)(guan)本體是由許多塊球(qiu)(qiu)殼板拼焊而成(cheng)的(de)(de)一個球(qiu)(qiu)形容(rong)器。由于(yu)球(qiu)(qiu)罐(guan)(guan)直徑(jing)大小不(bu)同，球(qiu)(qiu)殼板的(de)(de)數量也不(bu)一樣。球(qiu)(qiu)殼...

工業裝置常見球罐的類別與結構

工業裝置廣(guang)泛采用(yong)鋼(gang)質球形儲罐（以下簡稱球罐）用(yong)來儲存(cun)液(ye)(ye)化石油氣（如乙烯、丙(bing)烯、丁烷等）、液(ye)(ye)化天(tian)然氣、液(ye)(ye)氧、液(ye)(ye)氮、液(ye)(ye)氨、氧氣、氮氣、天(tian)然氣、城市(shi)煤氣或其中間產品。球罐與立式或臥式圓(yuan)筒形容器相(xiang)(xiang)比，在(zai)相(xiang)(xiang)同(tong)容積和(he)相(xiang)(xiang)同(tong)壓力下，球罐的表面積最(zui)小，因而所需鋼(gang)材最(zui)少；在(zai)相(xiang)(xiang)同(tong)直徑(jing)和(he)相(xiang)(xiang)...

常壓罐的附件種類及作用

為(wei)保證各種(zhong)油品的(de)儲存、發放、計量(liang)和(he)罐維修的(de)要求，在罐體上(shang)需(xu)要安裝一些不同(tong)用途的(de)附屬配件(jian)，通(tong)常稱(cheng)為(wei)罐附件(jian)。1.人(ren)孔、透光(guang)孔人(ren)孔是供清洗和(he)維修罐時(shi)，操(cao)作人(ren)員進出罐而(er)設置的(de)。一般立式(shi)罐，人(ren)孔都裝在罐壁最下層圈板上(shang)，且(qie)和(he)罐頂上(shang)方采(cai)光(guang)孔相對(dui)。人(ren)孔直徑多(duo)為(wei)600...

儲罐的容量介紹

儲罐(guan)的(de)容(rong)(rong)量(liang)(liang)與(yu)其幾何(he)尺(chi)寸有關(guan)。按(an)鋼(gang)材(cai)耗量(liang)(liang)最(zui)小的(de)原則，對(dui)大(da)型的(de)立(li)式儲罐(guan)，當公(gong)稱(cheng)容(rong)(rong)量(liang)(liang)在1000～2000mm3時，取高度(du)約等于直徑(jing)；對(dui)3000mm3以上的(de)儲罐(guan)取高度(du)等于3/8～3/4的(de)直徑(jing)較為合理。儲罐(guan)的(de)公(gong)稱(cheng)容(rong)(rong)量(liang)(liang)是指按(an)幾何(he)尺(chi)寸計算所得的(de)容(rong)(rong)量(liang)(liang)，向(xiang)上或向(xiang)下圓(yuan)整(zheng)后以整(zheng)數表示的(de)容(rong)(rong)...

內浮頂罐結構介紹

內(nei)浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)是(shi)帶(dai)罐(guan)(guan)(guan)頂(ding)(ding)(ding)(ding)(ding)的浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)，也是(shi)拱頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)和浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)相結合的一種罐(guan)(guan)(guan)，內(nei)浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)是(shi)在拱頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)內(nei)增加了一個(ge)浮(fu)頂(ding)(ding)(ding)(ding)(ding)。這種油罐(guan)(guan)(guan)有兩層(ceng)頂(ding)(ding)(ding)(ding)(ding)，外層(ceng)為(wei)與(yu)罐(guan)(guan)(guan)壁(bi)焊接連接的拱頂(ding)(ding)(ding)(ding)(ding)，內(nei)層(ceng)為(wei)能沿罐(guan)(guan)(guan)壁(bi)上(shang)下浮(fu)動的浮(fu)頂(ding)(ding)(ding)(ding)(ding)。內(nei)浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)既有拱頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)的優點也有浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)的優點。與(yu)無蓋浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)相比較(jiao)，內(nei)浮(fu)頂(ding)(ding)(ding)(ding)(ding)罐(guan)(guan)(guan)的優點是(shi)能有效(xiao)地(di)防止雨(yu)雪(xue)、...

浮頂罐結構介紹

浮(fu)(fu)頂油(you)罐(guan)上(shang)部是(shi)敞開的，罐(guan)頂只是(shi)漂(piao)浮(fu)(fu)在罐(guan)內(nei)油(you)面(mian)上(shang)隨油(you)面(mian)的升降而升降的浮(fu)(fu)盤，浮(fu)(fu)盤外徑比罐(guan)壁內(nei)徑小(xiao)400～600mm，用(yong)以(yi)裝設密(mi)封裝置，以(yi)防止這一環狀間隙中(zhong)的油(you)品(pin)產(chan)生蒸(zheng)發損壞，同時防止風(feng)沙(sha)雨雪等污染油(you)品(pin)。密(mi)封裝置形式很(hen)多，常用(yong)的有彈性填(tian)料密(mi)封或管式密(mi)封。浮(fu)(fu)頂...

拱頂罐結構介紹

立式常(chang)壓儲罐(guan)由基礎(chu)、罐(guan)底、罐(guan)壁、罐(guan)頂(ding)(ding)(ding)及附件組成。按罐(guan)頂(ding)(ding)(ding)的結(jie)構不同(tong)可分為拱頂(ding)(ding)(ding)罐(guan)、浮(fu)頂(ding)(ding)(ding)罐(guan)和內(nei)浮(fu)頂(ding)(ding)(ding)罐(guan)。不同(tong)的罐(guan)類別和結(jie)構的配管設(she)計要求各不相同(tong)。拱頂(ding)(ding)(ding)罐(guan)系指罐(guan)頂(ding)(ding)(ding)為球冠狀、罐(guan)體為圓(yuan)筒(tong)形(xing)的一種容(rong)器，其(qi)容(rong)積可達20000m3，其(qi)結(jie)構一般只有自(zi)支承拱頂(ding)(ding)(ding)一種。自(zi)支承拱頂(ding)(ding)(ding)...

灌裝站的配管設計要求規范

一(yi)、灌(guan)裝站(zhan)布置(zhi)(zhi)設計一(yi)般(ban)要(yao)求 ①.灌(guan)裝站(zhan)應布置(zhi)(zhi)在裝置(zhi)(zhi)邊緣的(de)(de)安全(quan)地帶。 ②.液(ye)化(hua)(hua)石油(you)氣的(de)(de)灌(guan)裝站(zhan)應符合下(xia)列(lie)要(yao)求。 a.液(ye)化(hua)(hua)石油(you)氣的(de)(de)灌(guan)瓶間和儲(chu)瓶庫(ku)宜為敞開(kai)式(shi)或半敞開(kai)式(shi)建筑物，半敞開(kai)式(shi)建筑物下(xia)部(bu)應采取(qu)防止油(you)氣積聚的(de)(de)措施(shi)。 &nb...

裝卸碼頭總管的配管設計要求規范

①.在(zai)引(yin)堤或(huo)棧橋(qiao)(qiao)上敷設管(guan)線(xian)(xian)，宜沿(yan)引(yin)堤或(huo)棧橋(qiao)(qiao)一(yi)側或(huo)兩側布置(zhi)。當管(guan)線(xian)(xian)較多需分(fen)層布置(zhi)時，大管(guan)徑管(guan)線(xian)(xian)及檢修頻(pin)繁(fan)的(de)管(guan)線(xian)(xian)應布置(zhi)在(zai)下層，兩層管(guan)線(xian)(xian)的(de)凈距(ju)不應小(xiao)(xiao)于0.8m，下層與地(di)面(mian)的(de)凈距(ju)不應小(xiao)(xiao)于0.4m。 ②.堤或(huo)棧橋(qiao)(qiao)一(yi)般(ban)較長，其上敷設的(de)管(guan)道(dao)應有(you)足夠(gou)的(de)柔性，在(zai)引(yin)堤或(huo)...

裝卸碼頭管道配管設計的一般要求

①.碼頭(tou)上(shang)(shang)集(ji)油(you)管(guan)或集(ji)液管(guan)、公用工程管(guan)道(dao)應(ying)合(he)理布(bu)置(zhi)，不(bu)得影響(xiang)碼頭(tou)正(zheng)常(chang)作業活動。 ②.工藝管(guan)道(dao)不(bu)應(ying)敷(fu)設在浮躉、跳板等臨時設施上(shang)(shang)或直接敷(fu)設在灘地上(shang)(shang)，管(guan)道(dao)安裝可(ke)高支(zhi)架敷(fu)設或低支(zhi)架敷(fu)設。可(ke)燃(ran)液體(ti)管(guan)道(dao)及附件的公稱(cheng)壓力不(bu)宜小于PN16。引橋和坡道(dao)上(shang)(shang)的工藝管(guan)道(dao)宜單(dan)層(ceng)...

碼頭裝卸臂的布置設計要求規范

①.河岸(an)碼(ma)(ma)頭布置液(ye)體(ti)(ti)(ti)裝卸(xie)臂時，應根(gen)據河流枯水(shui)水(shui)位(wei)、洪水(shui)水(shui)位(wei)、槽船漂移范(fan)圍(wei)等因素，確定液(ye)體(ti)(ti)(ti)裝卸(xie)臂可達到的(de)(de)范(fan)圍(wei)。 ②.液(ye)體(ti)(ti)(ti)裝卸(xie)臂在碼(ma)(ma)頭上(shang)應合理布置，液(ye)體(ti)(ti)(ti)裝卸(xie)臂立柱中心(xin)線(xian)至碼(ma)(ma)頭前(qian)沿的(de)(de)距離及液(ye)體(ti)(ti)(ti)裝卸(xie)臂間距可按表11.5選用。 ③.液(ye)體(ti)(ti)(ti)裝卸(xie)臂回收...

首頁上一頁 10 11 12 13 14 15 16 17 18 19 下一頁尾頁

久久99国产精品久久99果冻传媒

新聞中心