裂化氣 的英文怎麼說
中文拼音 [lièhuàqì]
裂化氣
英文
cracked gas-
The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing
洞穴升溫、燈光的烘烤及空氣的對流致使洞穴濕度或局部濕度降低,使景觀產生乾裂、風化;氣流帶入的洞外酸性氣體及高濃度co _ 2在高濕的條件下,結合水汽對洞穴景觀產生酸侵蝕作用;燈光的存在為燈光植物生長提供了條件,使大量的苔蘚類植物生長于鐘乳類景觀的表面;洞外大氣粉塵的進入,給洞穴帶來了非常嚴重的破壞,粉塵在洞內高濕的環境下大量沉降,附著于鐘乳類景觀的表面,致使受污染面發黑,毫無光澤。The paper adopts some methods such as gas composition, carbon isotope, systematical analyzing and testing of reservoir bitumen biomarker from high evolutional natural gas and quantitative calculation of mixed gas, illustrates that natural gas from the section of jialingjiang formation is mainly attributed to sapropel type organic matter gas of permian, comes from carbonatite hydrocarbon rocks permian which most of them are overmature, its main gas source has nothing to do with carbonatite hydrocarbon rocks of jialingjiang formation themselves, presents in geochemistry characteristics of oil type cracked gas
摘要通過對川中川南過渡帶西部的磨溪潼南地區嘉二段天然氣組成、碳同位素組成、高演化天然氣儲層瀝青生物標志化合物的系統分析測試和混合成因氣的定量估算,闡明了該區嘉二段天然氣主要屬於二疊系腐泥型有機質成因氣,來源於二疊系過成熟為主的碳酸鹽巖烴源,主力氣源與嘉陵江組自身的碳酸鹽巖烴源無關,並具有油型裂解氣的地球化學特徵。Effects of catalyst - to - oil ratio on distribution of catalytic pyrolysis gas products of daqing atmospheric residue
劑油比對大慶常壓渣油催化裂解氣體產物分佈的影響This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。The intermediate pressure exhaust gas boiler in the shop of yantzi petrochemical oil refinery works is needed to recycle the exhaust heat from the dust
揚子石化煉油廠催化裂化車間中壓余熱鍋爐,用來回收催化再生煙氣的余熱。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 use of exhaust paste before the catalytic converter can also cause the monolith to break
在催化裂化爐前使用廢氣漿糊也會引起塑膠製品破裂。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。When the exhaust paste has hardened small pellets can break away and shoot into the catalytic converter
當廢氣漿糊幹了以後,它會裂變成小碎片並且射進催化裂化爐里。A monolith is usually broken on impact with an object or when it experiences a sudden change in temperature
由於擠壓或天氣的突變,催化裂化爐里的塑膠製品會經常破裂。Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管,熱電偶採用彈簧壓著式,保護套管和法蘭選用特殊合金材料鍛造,套管採用棒料整體鉆孔加工而成,與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接,耐壓30mpa ,使用溫度0800 ,可長期使用在加氫裂化裝置裂解裝置,氣化爐等高壓設備中。Catalytic cracking of tar is viewed as one prominent tar reduction technology that has become the hot spot of investigation
催化裂化作為一種極具潛力的煤氣凈化技術,目前已成為該領域研究的熱點。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。Much information was achieved by analysis of different kind of tar samples, including the production and evolution of tar in gasification process, the variation of tar composition under catalytic or thermal cracking conditions. and the mechanism of tar cracking was discussed in - depth with the variation of tar composition under different cracking conditions
對多種焦油進行分析,獲得了大量焦油構成信息,並以此對生物質氣化過程中焦油的產生和變化情況、催化裂化或熱裂化過程中焦油組分的變化情況、以及裂化過程參數對焦油組分和焦油量的影響進行了深入的機理性分析。Roughly half of the product derived from thermal - cracking of long - chain hydrocarbons was c2 and c3 gases, useful for thier ethylene and propylene content, but not for the gasoline technology of the 1930s
長鏈碳氫化合物熱裂化所得的產品大約有半數是分子中含2個或3個碳原子的氣體,其中的乙烯和丙稀是有用的,但並不適用於30年代的汽油工藝。In khartoum sudan oil refining item of china natural gas oil group, they used 1, 800, 000 tons year heavy oil catalytic cracker, 500, 000 tons year diesel hydrogenation refining device, 150, 000 tons year catalytic reforming device etc. all thermometers including thermocouples, thermal resistances, double metal thermometers, high pressure thermocouple, protective tube, abrasion thermocouple, multipoint thermocouple which are all produced by our company
全部採用我公司的產品在中國天然氣石油集團蘇丹喀土穆煉油項目中, 180萬噸年重油催化裂化裝置50萬噸年柴油加氫精製裝置15萬噸年催化重整裝置等全部" second, jhe failure process of lpg vessel usually includes two phasest the crack formation and the crack propagation. after the temperatat field distribution and the iil. stress field distribution of lpg vessel without cracks are calculated, the stress intensity factor of lpg vessel with initial radial crack as well as surface crack are calculated and analyzed
其次,液化氣容器的失效過程通常分為裂紋形成和裂紋擴展兩個階段,本文在對無裂紋液化氣容器的瞬態溫度場和應力場進行了計算后,對含有初始表面裂紋的液化氣容器的瞬態應力強度因子進行了計算和分析。The pyrolysis products of fiber were analyzed by pgc - ms. it showed that the content of co2 in the pyrolysis products of pet / mmt fiber was relatively higher than that of pure pet fiber, while the content of flammable hydrocarbon was lower, which maybe result in the flame resistance of pet / mmt fiber
利用裂解氣相色譜一質譜聯用法( pgc一ms )對pet / mmt纖維和純pet纖維的阻燃性能進行分析比較,發現蒙脫土的存在使纖維裂解產物中二氧化碳的含量相對較高,這可能是其具有阻燃性的重要原因。分享友人