裂化器 的英文怎麼說
中文拼音 [lièhuàqì]
裂化器
英文
cracker-
Contaminated eggs in the incubator set off a chain reaction of exploding eggs.
污染雞蛋在孵化器里會引起雞蛋爆裂的連鎖反應。Molten lead and iron boiled in the marble basin of the fountain ; the water ran dry ; the extinguisher tops of the towers vanished like ice before the heat, and trickled down into four rugged wells of flame. great rents and splits branched out in the solid walls, like crystallisation ; stupefied birds wheeled about and dropped into the furnace ; four fierce figures trudged away, east, west, north, and south, along the night - enshrouded
熔化的鉛和鐵在噴泉的大理石盆里沸騰,燒幹了泉水滅燭器似的塔樓尖頂在高溫前像冰一樣熔化,滴落下來變作了四個奇形怪狀的火池堅實的墻壁以結晶的紋樣作樹枝形迸裂,迸出了巨大的豁口和裂縫。The company takes advantage of advanced dcs control system, high efficient float valve tray technology, high efficient energy - saving exchange techniques, fcc catalytic cracking double riser, two - generator regeneration process, polypropylene with loop reactor process and refining and blending process of high - number gasoline, etc. to ensure providing the users with high - tech qualified products
公司採用先進的dcs控制系統,高效的浮閥塔盤技術,高效節能交換技術, fcc催化裂化雙提升管、兩器再生工藝,環管聚丙烯工藝,高排號汽油精製調和工藝等,確保高科技合格產品送至用戶手中。In this paper, the mechanism and forming process of the cracks in view of the stress corrosion were analyzed accounting for the pressure vessels working in the atmosphere of wet hydrogen sul - phide, sodium hydroxide or liquidized ammonia
本文分析了壓力容器及設備在濕潤硫化氫、氫氧化鈉溶液和液氨介質中應力腐蝕開裂的機理和應力腐蝕開裂的過程。Proembryo a young plant after fertilization but before differentiation into embryo and suspensor tissue
原胚:從受精卵分裂形成2細胞胚開始至胚芽和胚柄等器官分化之前的胚。According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design
本論文結合當前中國散裂中子源( chinaspallationneutronsource , csns )工程概念設計的迫切需要,選擇國際上廣泛使用的基於蒙特?卡羅方法,用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具,首次對csns靶站進行了全面的模擬與優化,內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積,同時計算了靶的溫度場與應力場分佈。The production of biomass tar is influenced by gasifier type biomass feedstock, gasification agent and operation parameters, and it may cause great harm to the gasification system and gas consummation equipment. however, traditional tar removal technology, such as filtration, wet cleaning and thermal decomposition, ca n ' t meet with the need for relatively clean gas
熱解焦油的產生受到氣化器類型、生物質原料類型和性質、氣化介質、裂解氣化條件等因素的影響,其對氣化系統和用氣設備等產生不利影響,而目前常採用的焦油脫除方法,如水洗、乾式過濾等不能滿足高效焦油脫除的要求。The isbl of this hp hydrocracker unit will start at the unit filter feed vessel and conclude at product rundowns from the fractionation and the naphtha minus section
該高壓加氫裂化裝置的界區從裝置過濾器進料罐開始,直到從分餾與脫石腦油段來的產品出料罐為止。The first part comprises industrial pta oxidation process modeling, residual fluid catalytic cracking process modeling, complex distillation modeling and analysis, the application of pta oxidation process soft - sensor technology. in the second one, the infeasibility degree based genetic algorithm is proposed to handle constrained optimization problem in engineering cases and the neighborhood and archive based genetic algorithm and its variant are proposed to treat the multi - objective optimization problem. with that, the pta oxidation process is regarded as a benchmark for the application of the proposed multi - objective optimization genetic algorithm
論文內容分為兩部分,第一部分對包括三個典型的工業過程, pta氧化反應器、渣油催化裂化反應系統和復合式精餾塔進行分析、建模以及pta氧化過程的軟測量工程實施;第二部分分別提出了基於進化演算法解決工業過程中普遍存在的約束優化問題和多目標優化問題的過程優化演算法? ?基於不可行度選擇遺傳演算法和基於鄰域和存檔操作遺傳演算法,並利用該演算法對工業pta氧化過程操作進行多目標優化研究。Critical units to be upgraded include fluid catalytic cracker units, cokers, ultracrackers and alkylation units
關鍵單元的升級包括液態催化裂化裝置設備、煉焦器、超加氫裂化裝置以及烷化設備。By using the method of fault tree analysis, this paper analyses the causes of fire and explosion of catalying & cracking reactor and regeneration, draws the fault trees of fire and explosion accidents of catalyzing & cracking reactor and regeneration respectively, calculates the structure importance, makes the structure importance arrangement according to the structure importance and the least path set, puts forward the prevention measures, and provides the reliable theoretical basis for the safety control of enterprises
摘要應用故障樹分析方法,對催化裂化反應器和催化裂化再生器發生火災(爆炸)事故的原因進行分析,分別畫出催化裂化反應器和催化裂化再生器發生火災(爆炸)事故的故障樹,得出最小徑集合,並計算其結構重要度,根據得出的最小徑集合及其結構重要度進行排序,提出預防措施,為企業的安全管理提供了可靠的理論依據。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。By using catalyst a, the catalytic splitting decomposition of waste rubber tyre was developed. the splitting gas, gasoline, diesel oil, heavy oil and carbon black were obtained by this process. by inspecting, the qualities of the products all accorded with the using demands
一種先進的廢舊橡膠輪胎催化裂解處理技術被開發,通過反應器的廢橡膠輪胎顆粒被催化裂解為裂化氣、汽油餾分、柴油餾分和重油餾分,殘余的固體可加工為炭黑,各種產品經檢測,其理化指標及使用性能均達到用戶要求。A novel model for residual fluid catalytic cracking process ( rfcc ) is proposed. it divides the whole reactor into two part : the riser as ideal pipe flow reactor and the sett - ler as ideal cstr. the model contains six lumps reaction kinetics with serial and parallel network
通過將實際裝置中發生裂化反應的提升管和沉降段反應器分別考慮為理想的活塞流反應器和連續攪拌式反應器,建立了簡化的渣油催化裂化反應6集總組分的串列和并行反應動力學網路模型。Using fcc flow - reaction mathematical model and boundary condition developed in paper ( i ) and the operational constants in commercial fcc riser, the hydrodynamics of catalysts and the distribution of concentration of catalytic cracking products, as well as the temperature of two - phase along the riser are simulated and predicted
運用已經建立的催化裂化反應的數學模型和模型邊界條件及求解方法,結合煉油廠工業提升管的實際操作參數,模擬預測了催化裂化提升管反應器內催化劑顆粒的流場特徵和原料油反應產物的濃度及氣粒兩相平均溫度的沿程分佈特徵。Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part
模擬結果表明,由於原料油射流的影響,提升管反應器內催化劑顆粒的流動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間溫差在噴嘴附近顯著,在中上部氣粒兩相溫度幾乎相等。The progress in fcc stripper, including [ he flowing behavior of gas - solid in baffles stripper, annular stripper and packing stripper, was introduced
摘要介紹了近年來催化裂化裝置汽提器的研究現狀,主要包括檔板汽提器的氣固流態化行為,環流汽提器和填料型汽提器。Three - dimensional gas flow field in the new vortex quick separation system with an inner component of fcc disengager was simulated based on the reynolds stress model ( rsm ) provided by cfx
摘要用cfx軟體對催化裂化沉降器新型旋流快分器的氣相流場進行了三維模擬,湍流模型採用雷諾應力輸運方程模型。Abstract : the objective, characteristic and application of the nonlinear control strategy are introduced. how to apply and implement the function of the controller, how to start and stop the control strategy and trouble shooting is discussed. result of commissioning show that the application of nonlinear level control strategy in rfcc of qianguo oil refinery was successful
文摘:簡要介紹了非線性液位控制策略的目的、特性、應用,並著重介紹非線性液位控制系統實施過程和控制器功能,控制器的投運和控制器的故障處理,由投用效果看出非線性液位控制系統在前郭煉油廠重油催化裂化裝置得到了很成功的應用。Shortcoming of conventional rfcc reactor and advantage of tsrfcc technology
傳統催化裂化提升管反應器的弊端與兩段提升管催化裂化分享友人