裂化反應器 的英文怎麼說
中文拼音 [lièhuàfǎnyīngqì]
裂化反應器
英文
cracking case-
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。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。A pilot test was carried out on a fixed - bed reactor for catalytic cracking of hydrocracking bottoms over self - developed catalyst
摘要以加氫尾油為原料,在固定床反應器上利用自製催化裂解催化劑進行中試試驗。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。By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project
接著,通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗,了解了氣化爐內溫度場分佈,得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律,並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗,為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。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 two - dimensional model is proposed for simulation of gas phase cracking of 1, 2 - dichloroethane ( edc ) to produce vinyl chloride monomer ( vcm ) in tubular reactor furnace, in which side reaction of coke precursor formation is taken into consideration
摘要建立了二氯乙烷在管式反應器中進行氣相熱裂解的二維模型,模型考慮了二氯乙烷熱解生成氯乙烯的主反應和生成焦前體的副反應以及氣體密度變化對裂解反應的影響。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。The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors
本文的研究內容主要包括: ?在受試炸藥經歷低應力大變形過程的susan試驗中,同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝,得到了殼體膨脹變形過程圖像,並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程;從壓力傳感器測量的空氣沖擊波超壓曲線,獲得反應釋放總能。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。Agreement between calculation and experimental data justified the model ' s predictability in pyrolysis reaction of biomass carried out in the fluidized bed reactor
由該模型得到的計算結果能和實驗值很好吻合,表明它能較好地描述流化床反應器內生物質快速裂解的反應過程。And the reduced chemical reaction mechanism of supersonic hc propellant is confirmed. as the production of splitting reaction, ethane is plentiful in the hydrocarbon
確定超高音速飛行器碳氫類推進劑的簡化化學反應機理,乙烯作為裂解產物在小分子烴中含量居多。Model calculation indicated that the residence time of particles differed greatly from that of gas product, so product distribution from pyrolysis was significantly affected
模型的計算結果表明,原料粒子和產物氣體在反應器內的停留時間有較大的區別,其變化情況對裂解產物的分佈有很大影響。When bacteria enter the detector, their normal metabolism cleaves an inactive nutrient into an active one, allowing the detector ' s spores to germinate
當細菌一進入偵測器后,細菌的正常代謝反應就會將一種不活化的營養物質,裂解成有活性的東西,促使偵測器內的孢子開始生長。One set of equipment for gas catalystic reconstruction developed by us own is illustrated in the following figure, in which tar sampling system is also included. in this thesis, the experiment system : biomass tar catalytic pyrolysis, which overcomes the disadvantage of mixture of some typical compound. and some improvement was made to adapt the characters of tar content of china
該試驗裝置克服了當前生物質焦油催化裂解研究中採用焦油的某一種組分或者幾種組分的混合物作為其模擬化合物的缺點,以熱解反應器產生的生物質氣為焦油來源,在實驗中對現有的焦油取樣分析方法進行了改進,提出了適合我國生物質特點的焦油成份分析方法。In view of cost, the clarification effect and environmental protection, the cleaning system with coke as absorbent should be the fairly good choice that can produce less tar content and high quality household gas. the cost will be made fewer as well for the reason that coke in filter and clarifier - tank can be put into gasifier again to pyrolyze. in order to improve the clarification level and make preparations for generating electricity by means of biomass gasification technology
該試驗裝置克服了當前生物質焦汕催化裂解研究中採用焦油的某一種組分或者幾種組分的混合物作為其模擬化合物的缺點,以熱解反應器產生的生物質氣為焦油來源,研究了生物質焦油的催化裂解原理、催化裂解中不同氣化溫度、裂解溫度、停留時間對焦油成分和催化裂解效果的影響,並對比以前的試驗結果進行了初步的理論分析。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