氫氣壓縮機 的英文怎麼說
中文拼音 [qīngqìyāsuōjī]
氫氣壓縮機
英文
hydrogen compressor-
Renovation to water circulation for hot water boiler
氫氣壓縮機機封冷卻水循環利用改造Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively
指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。2 ) research on conical float seal of centrifugal copressor : the conical float seal technique is applied in the circle hydrogen compressors of diesel oil hydrogenation device which have 800 thousand tons output
2 )循環氫氣壓縮機錐形浮環密封的技術研究,年產80萬噸柴油加氫裝置的循環氫氣壓縮機採用錐形浮環密封,技術先進,使用可靠。It brings remarkable economic results and social beneficial results. this paper ' s research focuses on the following aspects : 1 ) aerial compressor reconstruction with float hoop seal : solving the problems of severe abrasion of labyrinth seal, medium contamination of seal oil and seal oil leakage to the lubricating oil system
本文主要針對離心壓縮機中富氣和循環氫氣壓縮機的密封技術,進行了以下幾個方面的研究: 1 )富氣壓縮機浮環密封的技術改造,對迷宮密封損壞嚴重、密封油受到介質污染、密封油竄入潤滑油系統等問題進行了研究。The method of optimization is the complex method. the objective function is the opration expenses of the hydrogen system. there were six decisive variables : the pressure and temperature of the high - pressure separator of vrds, gas ration to the prism unit from vrds unit and ssot unit, the pressure of the high - pressure separator of ssot and the entrance pressure of the cycle hydrogen compressor
優化問題以氫氣系統的運行費用函數作為目標函數,選擇了6個決策變量,分別為: vrds高壓分離器壓力、溫度、 vrds和ssot裝置排入prism的氫氣量、 ssot高壓分離器壓力和循環氫壓縮機入口壓力。The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。Repair technique of the crank shafts of 2n45 - 130 362 nitrogen - hydrogen gas compressors
362氮氫氣壓縮機曲軸修復技術5 ) research of circle hydrogen compressor with dry air seal
5 )循環氫氣壓縮機干氣密封的先進技術研究,為今後擴大應用奠定了基礎。Development of an on - line monitoring system for a large - scale reciprocating hydrogen compressor group based on labview
的大型往復式氫氣壓縮機組在線監測系統開發Appointing to the characteristic and operating condition of hydrogen compressor, the carrying capacity, the leakage and the film thickness of the dry gas seal are calculated by the theory of narrow groove
針對氫氣壓縮機的特點和具體的操作條件,利用窄槽理論對所設計的干氣密封進行了承載力、泄漏量及膜厚的計算。30 " is the project to produce 18ton / year synthetic ammonia and 30ton / year urea. the key equipment in the project are the copressor for the mixed gases of nitrogen and hydrogen and the compressor for carbon dioxide. reciprocating compressor as well as centrifugal compressor can be selected for this project. the different opinions for the selection of the compressor existed in 8medium scale fertilizer plants in which coal is used as the raw material. from the points of technology and cost, the analysis and comparison of using these two kinds of compressor were carried out. it is concluded that reciprocating pump is more appropriate
工程就是建成年生產能力達到18萬噸合成氨、 30萬噸尿素的項目,項目中的關鍵設備為氮氫氣壓縮機及二氧化碳壓縮機,壓縮機選型正介於往復式壓縮機和離心式壓縮機之間,國內各設計院在八家立項的以煤為原料的中化肥廠『 18 . 30 』工程初步設計中選何種類型的壓縮機爭論不休,本文從技術及經濟的角度對此作了分析比較,並推薦採用往復式壓縮機,以供參考。Application of t - shaped trough dry - gas sealing to cycle hydrogen compressor
形槽干氣密封在循環氫壓縮機中的應用分享友人