1 、氣密的目的··········································12 、氣密的原則及要求·····································1 3 、氣密前應(yīng)具備的條件···································· 14 、氣密的系統(tǒng)劃分和氣密壓力等級(jí)·························· 25、 檢查方法和合格標(biāo)準(zhǔn)····································2 6 、具體實(shí)施步驟·········································3 7、 氣密注意事項(xiàng)······································· 188、 附錄················································19 9、 氮?dú)庵脫Q的目的······································37 10、 氮?dú)庵脫Q的原則及要求·······························37 11 、氮?dú)庵脫Q的合格標(biāo)準(zhǔn)·································37 12 、氮?dú)庵脫Q前應(yīng)具備的條件·····························37 13 、氮?dú)庵脫Q步驟·······································37 14 、氮?dú)庵脫Q注意事項(xiàng)···································45 15 、附錄···············································4516、 系統(tǒng)干燥的目的·····································5317 、系統(tǒng)干燥的原則及要求·······························53 18 、各系統(tǒng)干燥合格的標(biāo)準(zhǔn)·······························54 19 、系統(tǒng)干燥前的準(zhǔn)備工作·······························54 20 、干燥步驟···········································5421 、附錄···············································58 1 氣密的目的 由于裝置內(nèi)的物料多為易燃易爆物質(zhì),為避免開(kāi)車(chē)后發(fā)生著火爆炸、污染環(huán)境、設(shè)備、人身事故;保證各工藝參數(shù)正常。在裝置投料試車(chē)前,必須進(jìn)行氣密試驗(yàn)。 本裝置所進(jìn)行的氣密試驗(yàn)是指用適當(dāng)?shù)牧黧w介質(zhì)在操作壓力的1.0~1.1倍壓力下,對(duì)已經(jīng)吹掃合格的并已復(fù)位的設(shè)備和管道的所有連接點(diǎn)借助肥皂水進(jìn)行試漏并消除泄漏處,直到全部合格為止。2 氣密的原則及要求 2.1 為防止高壓系統(tǒng)氣密介質(zhì)竄入低壓系統(tǒng),應(yīng)從低壓系統(tǒng)開(kāi)始?xì)饷茉囼?yàn)。 2.2 氣密時(shí)必須用兩個(gè)以上的壓力表進(jìn)行指示,壓力表量程應(yīng)為試驗(yàn)壓力的 1.1倍以上。 2.3 為保護(hù)非升壓監(jiān)視用壓力表,在升壓之前,應(yīng)關(guān)閉儀表導(dǎo)壓管。 2.4 氣密系統(tǒng)如有止逆閥時(shí),應(yīng)從止逆閥上游側(cè)加壓;升壓時(shí)應(yīng)緩慢進(jìn)行,氣密壓力不得超過(guò)規(guī)定限值;泄壓時(shí)應(yīng)盡可能由低點(diǎn)或死角處的倒淋進(jìn)行排放避免積液。 2.5 為防止高壓系統(tǒng)向低壓系統(tǒng)竄壓,在低壓系統(tǒng)打開(kāi)排放閥以便泄放竄壓。 2.6 試驗(yàn)過(guò)程中應(yīng)注意安全,無(wú)關(guān)人員應(yīng)遠(yuǎn)離現(xiàn)場(chǎng),謹(jǐn)防事故發(fā)生。 2.7 系統(tǒng)與系統(tǒng)之間的管線(xiàn)用閥門(mén)隔開(kāi),必要時(shí)用盲板隔開(kāi),防止低壓系統(tǒng)超壓。 2.8 公用工程系統(tǒng)管線(xiàn)盡可能用管線(xiàn)內(nèi)的介質(zhì)進(jìn)行氣密試驗(yàn)。3 氣密前應(yīng)具備的條件 3.1 確認(rèn)被試驗(yàn)的系統(tǒng)全部安裝完畢,經(jīng)過(guò)壓力試驗(yàn)及吹掃沖洗合格后,按規(guī)定裝好正式墊片。 3.2 確保氣密所需的介質(zhì)如氮?dú)?、空氣的供?yīng)。 3.3 準(zhǔn)備好試漏所需的工具:氣密專(zhuān)用工具 、檢漏液、毛刷、小桶、記號(hào)筆、試驗(yàn)記錄等。 3.4 準(zhǔn)備好必要的墊片、盤(pán)根及拆卸工具以備更換之用。 3.5 按要求確保試驗(yàn)系統(tǒng)的閥門(mén)關(guān)閉;拆換所有超量程儀表 ;選擇好充氣管線(xiàn)和進(jìn)氣控制閥門(mén);安全閥處于動(dòng)作狀態(tài);儀表、調(diào)節(jié)閥、節(jié)流孔板、流量計(jì)等安裝就位。 3.6 試驗(yàn)人員熟悉工藝流程和氣密及泄漏率試驗(yàn)方案。4 氣密的系統(tǒng)劃分和氣密壓力等級(jí) 異戊烷球罐、混合 C5 球罐、產(chǎn)品氣壓縮機(jī)一、二段及相關(guān)設(shè)備管線(xiàn)氣密壓力 0.3MPa,其它系統(tǒng)及設(shè)備管線(xiàn)氣密壓力為氮?dú)鈮毫Γs 0.6M


“原創(chuàng)力文檔”前稱(chēng)為“文檔投稿賺錢(qián)網(wǎng)”,本站為“文檔C2C交易模式”,即用戶(hù)上傳的文檔直接賣(mài)給用戶(hù),本站只是中間服務(wù)平臺(tái),本站所有文檔下載所得的收益歸上傳人所有【成交的100%】。原創(chuàng)力文檔是網(wǎng)絡(luò)服務(wù)平臺(tái)方,若您的權(quán)利被侵害,侵權(quán)客服QQ:3005833200 電話(huà):19940600175 歡迎舉報(bào),上傳者QQ群:784321556


1.《氣密設(shè)備 氣密方案》援引自互聯(lián)網(wǎng),旨在傳遞更多網(wǎng)絡(luò)信息知識(shí),僅代表作者本人觀點(diǎn),與本網(wǎng)站無(wú)關(guān),侵刪請(qǐng)聯(lián)系頁(yè)腳下方聯(lián)系方式。

2.《氣密設(shè)備 氣密方案》僅供讀者參考,本網(wǎng)站未對(duì)該內(nèi)容進(jìn)行證實(shí),對(duì)其原創(chuàng)性、真實(shí)性、完整性、及時(shí)性不作任何保證。

3.文章轉(zhuǎn)載時(shí)請(qǐng)保留本站內(nèi)容來(lái)源地址,http://f99ss.com/jiaoyu/161834.html