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雖然這種更多螺旋頭數的轉子和定子的嚙合副在單螺桿泵中并沒有得到應用,但在石油機械的螺桿鉆具這一領域卻得到了廣泛應用

* 來源: * 作者: * 發表時間: 2020-10-31 5:52:28 * 瀏覽: 419

固井工具公司三螺桿泵(beng)所輸送(song)液(ye)體(ti)為不含固(gu)體(ti)顆粒,無(wu)腐蝕(shi)性油類(lei)(lei)及類(lei)(lei)似油的(de)(de)(de)(de)潤滑性液(ye)體(ti),粘度(du)(du)1.2~100oE(3.0~760cst),高(gao)粘度(du)(du)液(ye)體(ti)亦可通過(guo)加(jia)溫降(jiang)粘后輸送(song),其(qi)溫度(du)(du)不超(chao)過(guo)150℃  單螺桿泵(beng)是(shi)橡(xiang)膠(jiao)套(tao)定(ding)(ding)子(zi)和轉(zhuan)子(zi)嚙和,使用輸送(song)介(jie)質(zhi)潤滑,摩(mo)擦(ca)導(dao)致橡(xiang)膠(jiao)套(tao)容易損(sun)壞,一(yi)般壽命在半年左右,輸送(song)純凈潤滑性介(jie)質(zhi)比較適合,若有雜質(zhi)會(hui)大大降(jiang)低使用壽命。  但是(shi)其(qi)缺點(dian)(dian)也(ye)(ye)是(shi)非常明(ming)顯:加(jia)工(gong)精度(du)(du)要求更高(gao),增加(jia)了(le)加(jia)工(gong)的(de)(de)(de)(de)難度(du)(du),特別是(shi)加(jia)工(gong)精度(du)(du)不夠就(jiu)會(hui)影響(xiang)轉(zhuan)子(zi)和定(ding)(ding)子(zi)的(de)(de)(de)(de)配(pei)合均勻(yun)度(du)(du),使上述的(de)(de)(de)(de)優點(dian)(dian)不再(zai)存在;而(er)且加(jia)工(gong)工(gong)時多(duo)和生(sheng)產成本較高(gao),這就(jiu)是(shi)目前生(sheng)產較少的(de)(de)(de)(de)原因。  當然,也(ye)(ye)可以制造(zao)轉(zhuan)子(zi)和定(ding)(ding)子(zi)螺旋(xuan)頭數更多(duo)的(de)(de)(de)(de)單螺桿泵(beng),如(ru)三頭螺旋(xuan)的(de)(de)(de)(de)轉(zhuan)子(zi)和二頭內螺旋(xuan)定(ding)(ding)子(zi)構成的(de)(de)(de)(de)泵(beng)等,但對制造(zao)精度(du)(du)的(de)(de)(de)(de)要求更高(gao),且流(liu)量并不是(shi)總隨(sui)螺旋(xuan)頭數增加(jia)而(er)增大,故已無(wu)多(duo)少實(shi)際意(yi)義。雖然這種(zhong)更多(duo)螺旋(xuan)頭數的(de)(de)(de)(de)轉(zhuan)子(zi)和定(ding)(ding)子(zi)的(de)(de)(de)(de)嚙合副在單螺桿泵(beng)中并沒有得到(dao)應用,但在石油機械的(de)(de)(de)(de)螺桿鉆具這一(yi)領域卻得到(dao)了(le)廣泛應用。。

東營石油機械廠家  為了(le)提升負離(li)子粉產(chan)品(pin)質量,公司(si)實行標準化管(guan)理,嚴格控(kong)制產(chan)品(pin)質量;多(duo)年來,我們憑(ping)借過硬的(de)(de)產(chan)品(pin)質量和全方位的(de)(de)服務獲(huo)得了(le)廣(guang)大(da)客(ke)戶的(de)(de)高度認可  經(jing)過多(duo)年發展,公司(si)產(chan)品(pin)遍(bian)布全國各大(da)城(cheng)市(shi),并與國內外的(de)(de)多(duo)家(jia)客(ke)商建立了(le)很好(hao)的(de)(de)合作關系(xi)。公司(si)以服務客(ke)戶為宗(zong)旨,始終(zhong)堅持ldquo,產(chan)品(pin)第一、服務至上(shang)的(de)(de)經(jing)營理念,致力(li)于低碳環保產(chan)業的(de)(de)發展。  繼往開來,我們愿與各界(jie)朋友攜手共(gong)進(jin),合作共(gong)贏,共(gong)創美好(hao)未來。。

東營固井工具哪家好  四、施工完畢(bi)整(zheng)個系統應進(jin)行靜水壓力試(shi)驗生(sheng)活給水部分壓力為:0.6mpa以五分鐘(zhong)內壓降不大于20kpa,為合格。。

石油機械公司新(xin)建高標準規模養殖場個(ge)  年,濮(pu)陽全(quan)市規模以上工(gong)(gong)(gong)(gong)業(ye)企業(ye)達到家,實現主營(ying)業(ye)務(wu)收入.億(yi)元(yuan)。  經(jing)(jing)過多年的(de)(de)(de)(de)發展(zhan),以石油化(hua)工(gong)(gong)(gong)(gong)為(wei)(wei)龍頭,以煤化(hua)工(gong)(gong)(gong)(gong)、鹽化(hua)工(gong)(gong)(gong)(gong)為(wei)(wei)兩翼,以精(jing)細化(hua)工(gong)(gong)(gong)(gong)、化(hua)工(gong)(gong)(gong)(gong)新(xin)材(cai)料、高端(duan)化(hua)工(gong)(gong)(gong)(gong)制(zhi)(zhi)品(pin)為(wei)(wei)發展(zhan)方向(xiang)的(de)(de)(de)(de)融合鏈(lian)接示范基地雛形顯(xian)現;加(jia)快(kuai)了(le)石油機械裝備制(zhi)(zhi)造(zao)、家具制(zhi)(zhi)造(zao)、羽絨(rong)制(zhi)(zhi)品(pin)及(ji)服飾加(jia)工(gong)(gong)(gong)(gong)等(deng)傳統優勢(shi)產(chan)業(ye)的(de)(de)(de)(de)集(ji)聚集(ji)群(qun)發展(zhan);培(pei)育(yu)了(le)新(xin)能(neng)源、新(xin)材(cai)料、節能(neng)環保等(deng)戰略性(xing)新(xin)興產(chan)業(ye)。  與以往(wang)相比(bi)較,此次(ci)采用球磨(mo)(mo)處(chu)(chu)理方式,用偶(ou)聯劑(ji)對(dui)(dui)負(fu)(fu)(fu)離(li)子(zi)(zi)粉進行表面改性(xing)處(chu)(chu)理。討論(lun)了(le)研(yan)(yan)磨(mo)(mo)時(shi)間、偶(ou)聯劑(ji)種類、偶(ou)聯劑(ji)用量(liang)、負(fu)(fu)(fu)離(li)子(zi)(zi)用量(liang)等(deng)因(yin)素對(dui)(dui)負(fu)(fu)(fu)離(li)子(zi)(zi)粉在有(you)機單(dan)(dan)(dan)體(ti)中分(fen)散性(xing)能(neng)的(de)(de)(de)(de)影(ying)響(xiang)。關注(zhu)他(ta)們的(de)(de)(de)(de)變化(hua),并記錄下(xia)這些數據。通(tong)(tong)過測定(ding)有(you)機單(dan)(dan)(dan)體(ti)中分(fen)散時(shi)的(de)(de)(de)(de)吸光度來表征負(fu)(fu)(fu)離(li)子(zi)(zi)狀(zhuang)態的(de)(de)(de)(de)粉末的(de)(de)(de)(de)分(fen)散效果,并通(tong)(tong)過SN掃(sao)描(miao)電子(zi)(zi)顯(xian)微鏡(SEM)觀察負(fu)(fu)(fu)離(li)子(zi)(zi)粉末在MMA單(dan)(dan)(dan)體(ti)中的(de)(de)(de)(de)分(fen)散狀(zhuang)態。  結果表明,在室溫(wen)條件(jian)下(xia)球磨(mo)(mo)機球磨(mo)(mo)兩個(ge)小時(shi)后(hou),偶(ou)聯劑(ji)KH用量(liang)為(wei)(wei)平時(shi)質量(liang)的(de)(de)(de)(de)%時(shi),負(fu)(fu)(fu)離(li)子(zi)(zi)粉與MMA單(dan)(dan)(dan)體(ti)的(de)(de)(de)(de)相容性(xing)和(he)分(fen)散穩定(ding)性(xing)呈現的(de)(de)(de)(de)狀(zhuang)態最(zui)(zui)佳(jia)。為(wei)(wei)了(le)數據更加(jia)精(jing)確,我們需要做更多類似的(de)(de)(de)(de)實驗,通(tong)(tong)過大量(liang)的(de)(de)(de)(de)數據對(dui)(dui)比(bi)分(fen)析,進而研(yan)(yan)究(jiu)(jiu)(jiu)其(qi)性(xing)能(neng),這才是(shi)科學的(de)(de)(de)(de)研(yan)(yan)究(jiu)(jiu)(jiu)方法。  面對(dui)(dui)的(de)(de)(de)(de)激烈(lie)的(de)(de)(de)(de)市場競爭環境,公司(si)不斷進取,努力提升(sheng)負(fu)(fu)(fu)離(li)子(zi)(zi)粉產(chan)品(pin)質量(liang)和(he)服務(wu)水平。為(wei)(wei)了(le)提升(sheng)服務(wu)水準,我們不斷的(de)(de)(de)(de)進取,經(jing)(jing)常(chang)參加(jia)各地展(zhan)會,與同行交流經(jing)(jing)驗,及(ji)時(shi)了(le)解國內外(wai)先進的(de)(de)(de)(de)產(chan)品(pin)信息(xi)和(he)最(zui)(zui)新(xin)的(de)(de)(de)(de)行業(ye)前(qian)沿研(yan)(yan)究(jiu)(jiu)(jiu)成果。

石油機械生產3批(pi)次(ci)為單(dan)相節能潛(qian)(qian)水(shui)電泵(beng)(beng),涉及瓦(wa)房(fang)店(dian)市虎(hu)頭(tou)水(shui)泵(beng)(beng)廠、瓦(wa)房(fang)店(dian)市復州城(cheng)鎮永立(li)水(shui)泵(beng)(beng)廠、瓦(wa)房(fang)店(dian)市盛(sheng)達水(shui)泵(beng)(beng)廠等3家生(sheng)(sheng)產(chan)企業(ye)此外,瓦(wa)房(fang)店(dian)市吉盛(sheng)水(shui)泵(beng)(beng)廠生(sheng)(sheng)產(chan)的(de)1批(pi)次(ci)單(dan)相小型潛(qian)(qian)水(shui)電泵(beng)(beng)和沈陽海泉潛(qian)(qian)水(shui)電泵(beng)(beng)有限公(gong)司生(sheng)(sheng)產(chan)的(de)1批(pi)次(ci)井用潛(qian)(qian)水(shui)電泵(beng)(beng)也檢(jian)出不合格項目。。

5.玻璃(li)鋼管(guan)(guan)(guan)(guan):玻璃(li)鋼管(guan)(guan)(guan)(guan)也稱(cheng)玻璃(li)纖維纏繞(rao)夾(jia)砂管(guan)(guan)(guan)(guan)(RPM管(guan)(guan)(guan)(guan))主(zhu)要(yao)以(yi)玻璃(li)纖維及其制品為(wei)(wei)增(zeng)(zeng)強材(cai)料(liao),以(yi)高(gao)(gao)分子成分的不飽(bao)和(he)聚(ju)脂(zhi)(zhi)樹脂(zhi)(zhi)、環氧樹脂(zhi)(zhi)等為(wei)(wei)基本材(cai)料(liao),以(yi)石英砂及碳酸(suan)(suan)鈣等無機非金(jin)(jin)屬(shu)顆粒(li)材(cai)料(liao)為(wei)(wei)填料(liao)作為(wei)(wei)主(zhu)要(yao)原料(liao)。其優點為(wei)(wei)耐(nai)(nai)(nai)(nai)(nai)腐蝕(shi)性(xing)(xing)能(neng)(neng)好(hao),抗老化(hua),耐(nai)(nai)(nai)(nai)(nai)熱,抗凍性(xing)(xing)能(neng)(neng)好(hao),重量(liang)輕、強度(du)高(gao)(gao),耐(nai)(nai)(nai)(nai)(nai)磨性(xing)(xing)好(hao),缺點為(wei)(wei)性(xing)(xing)脆,耐(nai)(nai)(nai)(nai)(nai)磨性(xing)(xing)較(jiao)差。常用(yong)在五金(jin)(jin)工(gong)具、園林(lin)工(gong)具、耐(nai)(nai)(nai)(nai)(nai)堿防腐工(gong)程、機械、化(hua)工(gong)等領域。主(zhu)要(yao)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)方(fang)(fang)式(shi)(shi)為(wei)(wei)雙承(cheng)(cheng)口套管(guan)(guan)(guan)(guan)接(jie)(jie)(jie)(jie)頭、柔性(xing)(xing)剛(gang)接(jie)(jie)(jie)(jie)頭、承(cheng)(cheng)插接(jie)(jie)(jie)(jie)頭、法蘭等連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)方(fang)(fang)式(shi)(shi)。6.PVC管(guan)(guan)(guan)(guan):PVC又稱(cheng)為(wei)(wei)聚(ju)氯(lv)乙烯,PVC可分為(wei)(wei)軟(ruan)PVC和(he)硬PVC,軟(ruan)PVC一般用(yong)于(yu)地板(ban)、天(tian)花板(ban)以(yi)及皮革(ge)的表層(ceng)(ceng),但由(you)于(yu)軟(ruan)PVC中含有增(zeng)(zeng)塑劑(ji),物理(li)性(xing)(xing)能(neng)(neng)較(jiao)差(如上(shang)水(shui)管(guan)(guan)(guan)(guan)需要(yao)承(cheng)(cheng)受(shou)(shou)一定(ding)水(shui)壓,軟(ruan)質PVC就(jiu)不適合(he)使用(yong)),所以(yi)其使用(yong)范圍受(shou)(shou)到了局限。硬PVC不含增(zeng)(zeng)塑劑(ji),因(yin)此易(yi)成型(xing),物理(li)性(xing)(xing)能(neng)(neng)佳,因(yin)此具有很大的開(kai)發應(ying)用(yong)價值。用(yong)于(yu)各類面板(ban)的表層(ceng)(ceng)包裝,所以(yi)又被(bei)稱(cheng)為(wei)(wei)裝飾(shi)膜(mo)、附膠膜(mo),廣泛應(ying)用(yong)于(yu)建材(cai)、包裝、醫藥等諸(zhu)多行業,其特點是綠(lv)色環保,降低屬(shu)水(shui)能(neng)(neng),耐(nai)(nai)(nai)(nai)(nai)酸(suan)(suan)耐(nai)(nai)(nai)(nai)(nai)堿侵蝕(shi),內(nei)徑光滑,施工(gong)容易(yi),缺點為(wei)(wei)不宜用(yong)于(yu)熱水(shui)管(guan)(guan)(guan)(guan)道,低質假冒有污染(ran),受(shou)(shou)沖擊易(yi)脆裂(lie)。主(zhu)要(yao)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)方(fang)(fang)式(shi)(shi)有法蘭連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)、焊接(jie)(jie)(jie)(jie)、承(cheng)(cheng)插粘接(jie)(jie)(jie)(jie)、螺紋(wen)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)、非金(jin)(jin)屬(shu)管(guan)(guan)(guan)(guan)道連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)器連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)。7.HDPE管(guan)(guan)(guan)(guan):【HDPE管(guan)(guan)(guan)(guan)】高(gao)(gao)密度(du)聚(ju)乙烯管(guan)(guan)(guan)(guan),材(cai)料(liao)是“HDPE”,HDPE是一種結晶度(du)高(gao)(gao)、非極性(xing)(xing)的熱塑性(xing)(xing)樹脂(zhi)(zhi)。原態HDPE的外表呈(cheng)乳白色,在微(wei)薄截面呈(cheng)一定(ding)程度(du)的半透明(ming)狀。

  2016年(nian)(nian)2月22號,尹建莉工(gong)作室公(gong)眾號發(fa)(fa)布公(gong)益活動(dong)(dong)(dong)《28天為愛有(you)聲閱(yue)讀》活動(dong)(dong)(dong)推(tui)出(chu)后,收到眾多用(yong)(yong)戶朋(peng)友(you)的(de)(de)(de)(de)積極響應。同(tong)時也(ye)得到全(quan)(quan)國各地(di)(di)繪(hui)本館(guan)的(de)(de)(de)(de)關注,經(jing)《安東尼繪(hui)本館(guan)南陽館(guan)》館(guan)長小(xiao)柏(bo)倡議,綜(zong)合(he)(he)支架工(gong)作室決定招(zhao)募全(quan)(quan)國各地(di)(di)繪(hui)本館(guan)加(jia)入,共(gong)同(tong)推(tui)動(dong)(dong)(dong)家庭(ting)閱(yue)讀的(de)(de)(de)(de)普及(ji)。經(jing)過多輪溝通(tong),確定各地(di)(di)有(you)愛繪(hui)本館(guan)為家長朋(peng)友(you)提供(gong)ldquo,免費繪(hui)本館(guan)借閱(yue)優惠服務。IT融合(he)(he)來(lai)自(zi)于(yu)市場的(de)(de)(de)(de)信息化需求,但實(shi)現IT融合(he)(he)依然離不開先(xian)進(jin)的(de)(de)(de)(de)技術體系。早在(zai)2007年(nian)(nian),國內(nei)高(gao)(gao)端OA廠商泛微便與全(quan)(quan)球企業(ye)管(guan)(guan)(guan)理(li)軟(ruan)件與解(jie)決方(fang)案的(de)(de)(de)(de)技術領袖(xiu)SAP實(shi)現了(le)強強聯手(shou),兩(liang)(liang)者憑借著(zhu)先(xian)進(jin)的(de)(de)(de)(de)技術及(ji)專業(ye)的(de)(de)(de)(de)技術團隊攜手(shou)推(tui)出(chu)了(le)一(yi)(yi)系列成(cheng)功(gong)案例,包括(kuo)括(kuo)紐威(wei)閥門(men)、金田鋁業(ye)、青島(dao)賽輪等標(biao)(biao)桿實(shi)例,在(zai)業(ye)內(nei)掀起了(le)一(yi)(yi)場融合(he)(he)應用(yong)(yong)風暴。通(tong)過多年(nian)(nian)的(de)(de)(de)(de)雙(shuang)劍合(he)(he)璧,泛微、SAP形成(cheng)了(le)一(yi)(yi)整(zheng)套的(de)(de)(de)(de)IT融合(he)(he)技術,并(bing)擁有(you)了(le)豐富的(de)(de)(de)(de)成(cheng)功(gong)經(jing)驗,這讓(rang)這兩(liang)(liang)個(ge)行業(ye)王者穩居于(yu)行業(ye)之(zhi)巔。標(biao)(biao)題}其(qi)鋼(gang)翅(chi)(chi)(chi)(chi)片(pian)通(tong)過纏繞或高(gao)(gao)頻焊(han)接(jie)(jie)(jie)(jie)的(de)(de)(de)(de)工(gong)藝與里(li)頭無(wu)縫鋼(gang)管(guan)(guan)(guan)實(shi)施結(jie)合(he)(he),鋼(gang)翅(chi)(chi)(chi)(chi)片(pian)是(shi)使(shi)用(yong)(yong)標(biao)(biao)準的(de)(de)(de)(de)鋼(gang)帶開展加(jia)工(gong)使(shi)用(yong)(yong)的(de)(de)(de)(de),而鋁質翅(chi)(chi)(chi)(chi)片(pian)式通(tong)過擠壓式處理(li)方(fang)式與里(li)面鋼(gang)管(guan)(guan)(guan)開展緊密(mi)結(jie)合(he)(he),鋁翅(chi)(chi)(chi)(chi)片(pian)是(shi)使(shi)用(yong)(yong)鋁棒在(zai)車強力度擠壓加(jia)工(gong)成(cheng)翅(chi)(chi)(chi)(chi)片(pian)結(jie)構的(de)(de)(de)(de)。兩(liang)(liang)者在(zai)不同(tong)的(de)(de)(de)(de)實(shi)際安裝(zhuang)使(shi)用(yong)(yong)環境中,發(fa)(fa)揮自(zi)身的(de)(de)(de)(de)優點,同(tong)時也(ye)是(shi)遵照有(you)關于(yu)空氣清潔度要(yao)求的(de)(de)(de)(de)高(gao)(gao)低和(he)所需要(yao)烘干物體的(de)(de)(de)(de)類別(bie)開展翅(chi)(chi)(chi)(chi)片(pian)材質的(de)(de)(de)(de)選擇。在(zai)散熱器片(pian)的(de)(de)(de)(de)接(jie)(jie)(jie)(jie)口方(fang)式和(he)大小(xiao)方(fang)面,應客戶安裝(zhuang)管(guan)(guan)(guan)道和(he)方(fang)式開展確定,可選為法蘭(lan)連(lian)接(jie)(jie)(jie)(jie)。通(tong)常常規散熱管(guan)(guan)(guan)周(zhou)身的(de)(de)(de)(de)翅(chi)(chi)(chi)(chi)片(pian)材質為鋼(gang)翅(chi)(chi)(chi)(chi)片(pian)和(he)鋁翅(chi)(chi)(chi)(chi)片(pian)內(nei)絲(si)扣連(lian)接(jie)(jie)(jie)(jie),外絲(si)扣連(lian)接(jie)(jie)(jie)(jie)和(he)焊(han)接(jie)(jie)(jie)(jie)接(jie)(jie)(jie)(jie)口連(lian)接(jie)(jie)(jie)(jie)。

用(yong)(yong)(yong)于旋轉(zhuan)運(yun)(yun)動(dong)密(mi)(mi)(mi)(mi)封(feng)(feng)時,僅限于低速(su)回(hui)轉(zhuan)密(mi)(mi)(mi)(mi)封(feng)(feng)裝置,O型(xing)密(mi)(mi)(mi)(mi)封(feng)(feng)圈(quan)(quan)(quan)一般安(an)裝在(zai)外圓(yuan)或內(nei)圓(yuan)上截面(mian)(mian)為矩形的(de)溝槽內(nei)起密(mi)(mi)(mi)(mi)封(feng)(feng)作(zuo)用(yong)(yong)(yong)在(zai)某(mou)些(xie)情況下,它還(huan)能用(yong)(yong)(yong)做軸向(xiang)往(wang)復運(yun)(yun)動(dong)和(he)低速(su)旋轉(zhuan)運(yun)(yun)動(dong)的(de)動(dong)態密(mi)(mi)(mi)(mi)封(feng)(feng)元(yuan)件(jian).不(bu)同(tong)生產設備(bei)有著不(bu)同(tong)的(de)尺寸選(xuan)擇,可分別選(xuan)擇不(bu)同(tong)的(de)材料與之相(xiang)適應.O型(xing)密(mi)(mi)(mi)(mi)封(feng)(feng)圈(quan)(quan)(quan)通常(chang)選(xuan)用(yong)(yong)(yong)時要盡量選(xuan)用(yong)(yong)(yong)大(da)截面(mian)(mian)的(de)O圈(quan)(quan)(quan).在(zai)相(xiang)同(tong)間(jian)隙的(de)情況下,O型(xing)密(mi)(mi)(mi)(mi)封(feng)(feng)圈(quan)(quan)(quan)圈(quan)(quan)(quan)被擠(ji)入間(jian)隙的(de)體積應當小于其被擠(ji)入的(de)最(zui)大(da)允許(xu)值。對(dui)不(bu)同(tong)種類固(gu)定(ding)密(mi)(mi)(mi)(mi)封(feng)(feng)或動(dong)密(mi)(mi)(mi)(mi)封(feng)(feng)應用(yong)(yong)(yong)場合(he),O型(xing)密(mi)(mi)(mi)(mi)封(feng)(feng)圈(quan)(quan)(quan)為設計者提(ti)供了一種既有效又經濟的(de)密(mi)(mi)(mi)(mi)封(feng)(feng)元(yuan)件(jian)。O型(xing)圈(quan)(quan)(quan)是(shi)一種雙向(xiang)作(zuo)用(yong)(yong)(yong)密(mi)(mi)(mi)(mi)封(feng)(feng)元(yuan)件(jian)。安(an)裝時徑向(xiang)或軸向(xiang)方面(mian)(mian)的(de)初始(shi)壓(ya)(ya)縮(suo),賦予O型(xing)圈(quan)(quan)(quan)自(zi)身的(de)初始(shi)密(mi)(mi)(mi)(mi)封(feng)(feng)能力(li)(li)(li)。由系統壓(ya)(ya)力(li)(li)(li)而產生的(de)密(mi)(mi)(mi)(mi)封(feng)(feng)力(li)(li)(li)與初始(shi)密(mi)(mi)(mi)(mi)封(feng)(feng)力(li)(li)(li)合(he)成總的(de)密(mi)(mi)(mi)(mi)封(feng)(feng)力(li)(li)(li),它隨系統壓(ya)(ya)力(li)(li)(li)的(de)提(ti)高而提(ti)高。O型(xing)圈(quan)(quan)(quan)在(zai)靜密(mi)(mi)(mi)(mi)封(feng)(feng)場合(he),顯示了突出(chu)(chu)的(de)作(zuo)用(yong)(yong)(yong)。然(ran)而,在(zai)動(dong)態的(de)適當場合(he)中,O型(xing)圈(quan)(quan)(quan)也常(chang)被應用(yong)(yong)(yong),但它受到密(mi)(mi)(mi)(mi)封(feng)(feng)處(chu)(chu)的(de)速(su)度和(he)壓(ya)(ya)力(li)(li)(li)的(de)限制(zhi)文章(zhang)出(chu)(chu)自(zi)專業的(de)東(dong)莞(guan)硅(gui)膠制(zhi)品生產廠家東(dong)莞(guan)市轉(zhuan)載請注明(ming)出(chu)(chu)處(chu)(chu)!。

lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbsp關(guan)(guan)鍵詞:重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)板殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)應用(yong)(yong)lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbsp廣州石化重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置采用(yong)(yong)美國UOP公(gong)司連續重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)的(de)(de)(de)(de)(de)專利(li)技術,包(bao)括石腦油加氫(qing)、重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)、催(cui)化劑再(zai)生、液(ye)氮和貯氫(qing)五個(ge)(ge)工(gong)藝過程在(zai)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)個(ge)(ge)重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置中,重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)反(fan)應一(yi)再(zai)生系(xi)統(tong)是工(gong)藝復雜,也是重(zhong)(zhong)(zhong)(zhong)(zhong)要(yao)的(de)(de)(de)(de)(de)系(xi)統(tong)。而作為(wei)系(xi)統(tong)中的(de)(de)(de)(de)(de)關(guan)(guan)鍵設備——重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)進(jin)(jin)料/反(fan)應餾(liu)出物換(huan)(huan)熱(re)(re)(re)器(qi)(qi)30一(yi)E一(yi)1關(guan)(guan)系(xi)到重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置的(de)(de)(de)(de)(de)“安(an)、穩、長”運行(xing)和節能(neng)增效工(gong)作的(de)(de)(de)(de)(de)開展。本文分別介紹了管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)和板殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)在(zai)重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置中的(de)(de)(de)(de)(de)應用(yong)(yong),并(bing)對(dui)(dui)兩(liang)種換(huan)(huan)熱(re)(re)(re)器(qi)(qi)的(de)(de)(de)(de)(de)使用(yong)(yong)進(jin)(jin)行(xing)了對(dui)(dui)比。lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbspl管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)的(de)(de)(de)(de)(de)結(jie)(jie)構(gou)及應用(yong)(yong)lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbsp重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置30一(yi)E一(yi)1于1990年投用(yong)(yong),結(jie)(jie)構(gou)形(xing)式(shi)為(wei)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi),共2176根(gen)無縫管(guan)(guan)(guan)(guan),管(guan)(guan)(guan)(guan)長12.19m,規格為(wei)619.4mm×2.1mm,材質(zhi)A213T11,筒體(ti)(ti)(ti)外徑(jing)61448mm,材質(zhi)ASTMA387—11CL-2,換(huan)(huan)熱(re)(re)(re)面積(ji)1565.7m。設備高(gao)16000mm,重(zhong)(zhong)(zhong)(zhong)(zhong)47t,為(wei)意大(da)利(li)進(jin)(jin)口。lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbsp30一(yi)E一(yi)1為(wei)單邊固定管(guan)(guan)(guan)(guan)板式(shi)結(jie)(jie)構(gou),其(qi)結(jie)(jie)構(gou)見圖1。固定管(guan)(guan)(guan)(guan)板與(yu)管(guan)(guan)(guan)(guan)箱(xiang)1、上(shang)殼(ke)(ke)(ke)體(ti)(ti)(ti)13焊接為(wei)一(yi)體(ti)(ti)(ti);浮動(dong)管(guan)(guan)(guan)(guan)板通(tong)過鉤圈(quan)(quan)4與(yu)浮頭錐(zhui)體(ti)(ti)(ti)5相連,由局部視圖Ⅱ可(ke)知:鉤圈(quan)(quan)外徑(jing)大(da)于下殼(ke)(ke)(ke)體(ti)(ti)(ti)內徑(jing)。所以(yi)只(zhi)有(you)在(zai)拆除外部的(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)件(jian)、法蘭等活連接后,再(zai)從鉤圈(quan)(quan)處去掉浮頭錐(zhui)體(ti)(ti)(ti),管(guan)(guan)(guan)(guan)束才可(ke)以(yi)和管(guan)(guan)(guan)(guan)箱(xiang)、上(shang)殼(ke)(ke)(ke)體(ti)(ti)(ti)一(yi)起(qi)從下殼(ke)(ke)(ke)體(ti)(ti)(ti)2中抽出,從而完成上(shang)下殼(ke)(ke)(ke)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)分離。lt,/FONTgt,lt,/DIVgt,lt,DIVgt,lt,/DIVgt,lt,DIVgt,lt,FONTnbspface=Verdanagt,nbsp管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)(qi)具有(you)承(cheng)高(gao)壓(ya)及耐(nai)高(gao)溫、密封性能(neng)好、安(an)全可(ke)靠等優點(dian),在(zai)20世紀(ji)80年代和90年代初(chu)為(wei)重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置進(jin)(jin)料/反(fan)應餾(liu)出物換(huan)(huan)熱(re)(re)(re)器(qi)(qi)的(de)(de)(de)(de)(de)標準配備產品。但經(jing)過l0多年的(de)(de)(de)(de)(de)使用(yong)(yong),至2002年重(zhong)(zhong)(zhong)(zhong)(zhong)整(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)裝(zhuang)(zhuang)(zhuang)置大(da)檢修時30一(yi)E一(yi)1堵(du)管(guan)(guan)(guan)(guan)達20余根(gen),管(guan)(guan)(guan)(guan)束脹口平面出現大(da)面積(ji)微漏。

共抽查4462家(jia)企(qi)(qi)(qi)(qi)業(ye)(ye)生(sheng)(sheng)產(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)(de)5722批(pi)(pi)次(ci)產(chan)(chan)(chan)(chan)品(pin)抽查產(chan)(chan)(chan)(chan)品(pin)包括橡膠(jiao)(jiao)(jiao)制(zhi)品(pin)、機動脫粒機、水(shui)文儀(yi)器(qi)、泵(beng)(beng)(beng)(beng)、眼鏡、輸水(shui)管(guan)、抽油設(she)備、輸電(dian)線路鐵(tie)塔和(he)(he)電(dian)力金具等(deng)9類。經檢(jian)驗,4052家(jia)企(qi)(qi)(qi)(qi)業(ye)(ye)生(sheng)(sheng)產(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)(de)5295批(pi)(pi)次(ci)產(chan)(chan)(chan)(chan)品(pin)合格(ge)(ge),檢(jian)出(chu)427批(pi)(pi)次(ci)產(chan)(chan)(chan)(chan)品(pin)不合格(ge)(ge),不合格(ge)(ge)產(chan)(chan)(chan)(chan)品(pin)檢(jian)出(chu)率(lv)為7.5%。另有3家(jia)企(qi)(qi)(qi)(qi)業(ye)(ye)無正(zheng)當(dang)理(li)(li)由拒(ju)絕國家(jia)監(jian)(jian)督抽查,已移(yi)送(song)相關部門處理(li)(li)。在不合格(ge)(ge)批(pi)(pi)次(ci)產(chan)(chan)(chan)(chan)品(pin)中,涉及我(wo)省5家(jia)橡膠(jiao)(jiao)(jiao)企(qi)(qi)(qi)(qi)業(ye)(ye)和(he)(he)5家(jia)泵(beng)(beng)(beng)(beng)產(chan)(chan)(chan)(chan)品(pin)企(qi)(qi)(qi)(qi)業(ye)(ye)的(de)(de)(de)(de)(de)(de)12批(pi)(pi)次(ci)不合格(ge)(ge)產(chan)(chan)(chan)(chan)品(pin)。其中檢(jian)出(chu)7批(pi)(pi)次(ci)不合格(ge)(ge)橡膠(jiao)(jiao)(jiao)制(zhi)品(pin),我(wo)省本溪(xi)寶利(li)橡膠(jiao)(jiao)(jiao)制(zhi)品(pin)有限(xian)公(gong)司、丹東潤(run)和(he)(he)密封有限(xian)公(gong)司、遼(liao)寧(ning)泰(tai)隆石(shi)油機械有限(xian)公(gong)司、鞍鋼民(min)企(qi)(qi)(qi)(qi)金屬軟管(guan)廠(chang)、調兵(bing)山(shan)市(shi)龍順橡膠(jiao)(jiao)(jiao)制(zhi)品(pin)有限(xian)公(gong)司等(deng)5家(jia)企(qi)(qi)(qi)(qi)業(ye)(ye)上榜。不合格(ge)(ge)的(de)(de)(de)(de)(de)(de)5批(pi)(pi)次(ci)泵(beng)(beng)(beng)(beng)制(zhi)品(pin)中,不合格(ge)(ge)項目均為效(xiao)率(lv)、規定(ding)點流(liu)量(liang)與揚程。3批(pi)(pi)次(ci)為單(dan)相節能(neng)潛水(shui)電(dian)泵(beng)(beng)(beng)(beng),涉及瓦房店(dian)市(shi)虎(hu)頭水(shui)泵(beng)(beng)(beng)(beng)廠(chang)、瓦房店(dian)市(shi)復(fu)州城鎮永立水(shui)泵(beng)(beng)(beng)(beng)廠(chang)、瓦房店(dian)市(shi)盛達(da)水(shui)泵(beng)(beng)(beng)(beng)廠(chang)等(deng)3家(jia)生(sheng)(sheng)產(chan)(chan)(chan)(chan)企(qi)(qi)(qi)(qi)業(ye)(ye)。此外,瓦房店(dian)市(shi)吉盛水(shui)泵(beng)(beng)(beng)(beng)廠(chang)生(sheng)(sheng)產(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)(de)1批(pi)(pi)次(ci)單(dan)相小型(xing)潛水(shui)電(dian)泵(beng)(beng)(beng)(beng)和(he)(he)沈陽海泉潛水(shui)電(dian)泵(beng)(beng)(beng)(beng)有限(xian)公(gong)司生(sheng)(sheng)產(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)(de)1批(pi)(pi)次(ci)井(jing)用潛水(shui)電(dian)泵(beng)(beng)(beng)(beng)也檢(jian)出(chu)不合格(ge)(ge)項目。國家(jia)質監(jian)(jian)總局表示(shi),對于本次(ci)抽查中產(chan)(chan)(chan)(chan)品(pin)質量(liang)不合格(ge)(ge)的(de)(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan)(chan)(chan)企(qi)(qi)(qi)(qi)業(ye)(ye),相關監(jian)(jian)管(guan)部門將依法進行處理(li)(li)。包括采取責令企(qi)(qi)(qi)(qi)業(ye)(ye)停止(zhi)生(sheng)(sheng)產(chan)(chan)(chan)(chan)銷(xiao)售不合格(ge)(ge)產(chan)(chan)(chan)(chan)品(pin),按照有關規定(ding)監(jian)(jian)督銷(xiao)毀(hui)或作必(bi)要的(de)(de)(de)(de)(de)(de)技術處理(li)(li)等(deng)措(cuo)施。