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.index-module_taskLogo__71Tj5{height:66px;position:absolute;right:30px;top:0;width:66px}.index-module_drawerHand__aRhcO.index-module_open__qMl5O{right:480px}.index-module_reverse__OKr6k{transform:rotate(180deg)}網(wǎng)頁新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團隊權(quán)威合作個人中心收藏查看我的收藏0有用+10Z322次列車播報討論上傳視頻成都西站開往拉薩站的直達特快列車同義詞T22（t22目錄）一般指Z322次列車Z322/Z323、Z324/Z321次列車是中國鐵路成都局集團有限公司運行于四川省成都市和西藏自治區(qū)拉薩市的直達特快列車，自2006年7月1日起開行?，F(xiàn)由成都客運段承運成都西至西寧段、中國鐵路青藏集團有限公司、西寧客運段承運西寧至拉薩段。列車使用25G型客車和25T型客車，經(jīng)由寶成鐵路、蘭渝鐵路、蘭青鐵路和青藏鐵路運行，途經(jīng)四川省、甘肅省、青海省、西藏自治區(qū)四省市，全程3028千米。其中成都西站至拉薩站運行34小時29分 [7]，使用車次為Z322/323次；拉薩站至成都東站運行時間36小時3分，使用車次為Z324/321次。中文名Z322/Z323次列車起止站點成都西站—拉薩站運營里程3028千米運行時間34小時29分開通日期2006年7月1日列車型號25G型、青藏25T型目錄1歷史沿革2車輛編組3機務(wù)運用4時刻表歷史沿革播報編輯2006年，歷時5年建設(shè)的世界上海拔最高、線路最長的高原鐵路――青藏鐵路全線貫通，比原計劃提前1年，西藏自治區(qū)正式結(jié)束不通火車的歷史。初期鐵道部共計劃開行3對旅客列車，分別是北京西至拉薩的特快列車，成都/重慶至拉薩的特快列車和西寧/蘭州至拉薩的快速列車。2006年2月28日，成都至拉薩的第一組旅客列車車體抵達青海格爾木市，并于3月初開始在青藏鐵路進行為期半個月的運轉(zhuǎn)試驗，然后回成都進行調(diào)試。擔(dān)當(dāng)列車值乘的成都客運段也擬訂了《成都至拉薩旅客列車開行推進計劃表》，并就人員選拔培訓(xùn)、制度規(guī)章、臥具備品服裝、餐飲供應(yīng)以及宣傳策劃等工作做了前期安排。2006年7月1日，隔日開行成都~拉薩T22/3 T24/1次特快列車，全程3360公里。 [1]從發(fā)車時間來看，成都的T22次列車成為全國首趟進藏列車，并于7月3日18時28分準(zhǔn)點抵達拉薩站。由中國鐵路成都局集團有限公司采用5組高原版25T型客車執(zhí)行運輸任務(wù)。與重慶北至拉薩T222/223、T224/221次列車套跑。2007年8月3日至10月18日，出于滿足進藏需求，成都~拉薩T22/3、T24/1次列車，將在成都至西寧與西寧至拉薩分段開行，在西寧站組織旅客換乘接運列車。但售票價格、售票方式以及購票方式都按原標(biāo)準(zhǔn)執(zhí)行。2008年5月，由于受到5·12汶川大地震的影響，從5月13日起，拉薩往返于成都方向的T22/23、T24/21次列車暫停運營，從而轉(zhuǎn)入到拉薩至重慶方向的運輸工作，以滿足川渝兩地旅客出行需求。6月30日起，拉薩開往成都的T22/23、T24/21次列車恢復(fù)隔日運營。Z322次列車上拍攝的青藏鐵路風(fēng)景(1張)2009年4月1日，中國鐵路大范圍調(diào)整列車運行圖，其中成都至拉薩T22/3次始發(fā)時刻由原來的20時59分調(diào)整為20時36分，到達拉薩時刻由原來17時21分調(diào)整為16時10分，提前1小時11分；拉薩至成都T24/1次，始發(fā)時刻由原來的10時45分調(diào)整為11時15分，到達時刻由原來的8時25分調(diào)整為7時51分。2010年4月26日起大幅調(diào)整拉薩站各次列車運行時刻。其中拉薩至成都T24/1次開行時刻都由原來的11時15分推后至13時10分，而自成都始發(fā)拉薩的T22次列車，到達拉薩站時刻為17時02分，比原來推后22分。2016年5月15日，成都～拉薩T22/3 T24/1次改為Z322/3 Z324/1次。 [3-4]交由中國鐵路沈陽局集團有限公司管理。 [2]注：列車由中國鐵路成都局集團有限公司和中國鐵路青藏集團有限公司共同承運，分段開行，旅客需在西寧站下車進行整列換乘。其中中國鐵路成都局集團有限公司采用25G型客車承運成都至西寧區(qū)間，中國鐵路青藏集團有限公司用高原版25T型客車承運西寧至拉薩區(qū)間，與重慶北至拉薩的Z222/223、Z224/221次列車套跑。 2017年10月22日，成都～拉薩Z322/3、Z324/1次于廣元至蘭州間改經(jīng)由蘭渝鐵路。 [5]2022年10月11日，成都站將停止辦理客運業(yè)務(wù)，成都～拉薩Z322/3 Z324/1次調(diào)整至成都西站。 [6]車輛編組播報編輯Z322/323、Z324/321次列車現(xiàn)分段開行，在成都至西寧段采用25G型客車，由19節(jié)車廂編組，包括12節(jié)硬車、4節(jié)硬座、2節(jié)軟臥以及1節(jié)餐車。西寧至拉薩區(qū)間采用中車青島四方機車車輛股份有限公司制造的青藏高原版25T型客車，由15節(jié)車廂編組，包括8節(jié)硬臥、4節(jié)硬座、2節(jié)軟臥以及1節(jié)餐車，定員載客930人。格爾木至拉薩區(qū)段則加掛1節(jié)空調(diào)發(fā)電車。這款客車是專門為青藏鐵路運營針對青藏高原的特殊環(huán)境以及氣候條件特別設(shè)計生產(chǎn)的高原鐵路客車，設(shè)有全封閉的雙層大玻璃、集便式廁所、航空氣密技術(shù)及供氧裝置等，采用墨綠色車身配以兩道黃線的涂裝，整體造價比普通客車高25%～30%。Z322次列車采用的青藏25T車底開行初期，列車由中國鐵路成都局集團有限公司成都客運段拉薩車隊負責(zé)客運任務(wù)，針對進藏列車外籍旅客較多的情況，成都客運段已專門聘請了相關(guān)教師對乘務(wù)人員進行藏、漢、英“三語”培訓(xùn)，保證乘務(wù)人員與旅客的溝通交流，并在列車開行前陸續(xù)派出400余名機關(guān)、車隊干部和列車骨干人員分批參加進藏車輛“技術(shù)試驗、試運行”，并進行高原氣候環(huán)境適應(yīng)鍛煉。列車乘務(wù)員的制服以藏紅色為主色調(diào)，在車廂裝飾和服務(wù)備品的配置上，該列車也選用了藏族民眾慣用的明黃、藏紅白等色調(diào)作為基調(diào)。車上所有的提示牌全部由漢、藏、英語三種文字組成。成都西至西寧段車號1~45~8910~1112~19車系YW25GYZ25GCA25GRW25GYW25G西寧至拉薩段編組車號NA1~45~678~1112~15車型KD25TYW25TRW25TCA25TYZ25TYW25T備注僅在格爾木站—拉薩站加掛西寧站—拉薩站編組機務(wù)運用播報編輯列車全程需要更換3次牽引機車，成都西至格爾木區(qū)間為電氣化鐵路，使用電力機車牽引，格爾木至拉薩區(qū)間將換成中國鐵路青藏集團有限公司特制的高原內(nèi)燃機車牽引。車站區(qū)段成都西—蘭州蘭州—格爾木格爾木—拉薩本務(wù)機車韶山7E型電力機車/和諧3D型電力機車和諧1D型電力機車NJ2型柴油機車/和諧3型內(nèi)燃機車配屬蘭局蘭段青藏寧段青藏格段乘務(wù)班組成都/蘭州西乘務(wù)在廣元換班蘭州西/西寧乘務(wù)在西寧換班格爾木乘務(wù)備注--加掛青藏KD25T時刻表播報編輯數(shù)據(jù)截至2023年7月1日： [7]車次站名進站時間發(fā)車時間停留時間里程天數(shù)Z322成都西-21:13-0當(dāng)天Z323廣元02:2802:3810332第二天Z323蘭州08:2008:4020841第二天Z323西寧11:2111:41201057第二天Z323德令哈15:3215:3641574第二天Z323格爾木17:5118:16251886第二天Z323拉薩07:42--3028第三天新手上路成長任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權(quán)信息封禁查詢與解封?2024?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= 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高壓鍋爐管是鍋爐管的一種，屬于無縫鋼管類別。制造方法與無縫管相同，但對制造鋼管所用的鋼種有嚴(yán)格的要求。高壓鍋爐管使用時經(jīng)常處于高溫和高壓條件，管子在高溫?zé)煔夂退魵獾淖饔孟?，會發(fā)生氧化和腐蝕。要求鋼管具有高的持久強度，高的抗氧化腐蝕性能，并有良好的組織穩(wěn)定性。高壓鍋爐管主要用來制造高壓和超高壓鍋爐的過熱器管、再熱器管、導(dǎo)氣管、主蒸汽管等。中文名 高壓鍋爐管 外文名 High pressure boiler tube 制造工藝 精拔、光亮、熱軋 類 型 屬于無縫鋼管類別 學(xué) 科 冶金工程介紹高壓鍋爐管是鍋爐管的一種，屬于無縫鋼管類別。制造方法與無縫管高壓鍋爐管相同，但對制造鋼管所用的鋼種有嚴(yán)格的要求。高壓鍋爐管使用時經(jīng)常處于高溫和高壓條件。高壓鍋爐管主要用來制造高壓和超高壓鍋爐的過熱器管、再熱器管、導(dǎo)氣管、主蒸汽管等。鍋爐管由于長期在高溫和高壓條件下工作，材料將發(fā)生蠕變，塑性和韌性下降，原始組織改變，產(chǎn)生腐蝕等。作為鍋爐用的鋼管應(yīng)具備：（1）足夠的持久強度；（2）足夠的塑性變形能力； （3） 最小的時效傾向和熱脆性；（4）高的抗氧化、耐煤灰、耐天然氣高溫下腐蝕、蒸汽和應(yīng)力腐蝕性能；（5）良好的組織穩(wěn)定性以及良好的工藝性能。高壓鍋爐管的鋼種有碳鋼以及珠光體、鐵素體和奧氏體型不銹耐熱鋼。為了提高火力發(fā)電機組的熱效率、降低燃耗，世界各國均以發(fā)展大容量、高參數(shù)（高溫、高壓）火電機組（1000MW以上）為主。蒸汽壓力提高到31.5～34.3MPa，過熱蒸汽溫度達595～650℃，向超高壓臨界壓力發(fā)展，這樣對高壓鍋爐管提出了更高的要求。為此開發(fā)了新的鋼種，以滿足高參數(shù)電站鍋爐的需用。
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