pyrolysis n. 熱解(作用)高溫分解。 adj. -lytic ,-lytically adv.
flash vt. 1.使閃光,使閃爍;反照,反射 (back)。 2.晃;迅速傳達(dá)出去,拍出,發(fā)出(電報(bào)等)。 3.使閃現(xiàn);把(發(fā)亮的東西)晃一下,亮出一下;使掠過(心頭) (into; upon)。 4.灌水使(船)浮過障礙物,用水突然灌注。 5.〔口語〕炫耀,賣弄。 6.將(玻璃)展成薄片;給(玻璃)鑲蓋。 7.給(房頂)加覆蓋物。 flash a glance [a look, one's eyes] at 用眼瞟一下,看一眼。 The news was flashed across [over] the country. 消息閃電般傳遍全國(guó)。 His eyes flashed defiance. 他眼中顯現(xiàn)出反抗的神色。 vi. 1.(電光等)一閃;(火藥等)忽然燒起來 (off out up) (刀等)晃一晃。 2.忽然顯現(xiàn),突然出現(xiàn) (forth in out)。 3.忽然想起;(機(jī)智、才能等)突然顯現(xiàn)。 4.飛馳,掠過。 5.(河水等)沖瀉,泛濫,暴漲。 6.〔美俚〕(服迷幻藥后)感到恍恍惚惚。 flash by 一閃而過的。 flash it away 〔俚語〕炫耀,招搖。 flash on 1. 立刻心領(lǐng)神會(huì)。 2. 〔美俚〕(服迷幻藥后)感覺飄飄然。 flash one's stuff 【美體】顯出本領(lǐng)。 flash out [up] 勃然發(fā)怒。 flash upon 閃現(xiàn)心頭,掠過心頭,忽然想起。 n. 1.閃光,閃發(fā),煥發(fā)。 2.剎那,一瞬間。 3.浮華,浮夸,華而不實(shí);衣飾漂亮的人。 4.灌注的水,堰閘。 5.【攝影】閃光,閃光燈下攝成的照片。 6.速報(bào),急報(bào),簡(jiǎn)短電訊。 7.惹人注目的東西[人物]〔尤指優(yōu)秀動(dòng)員〕。 8.【軍事】徽章,肩章。 9.(混合酒的)色料。 10.(盜賊等的)隱語,黑話。 a flash of hope 一線希望。 flash of lightning 閃電。 flash of merriment 剎那的歡樂。 flash of wit 靈機(jī)一動(dòng),突然出現(xiàn)的機(jī)智。 a flash in the pan 空槍;曇花一現(xiàn)(的人)。 in a flash 即刻,一剎那間。 adj. 1.閃光的,閃耀的,一閃而過的。 2.浮華的,浮夸的,華而不實(shí),假的。 3.盜賊的,流氓的。 4.〔俚語〕(旅館等)高級(jí)的。 5.火速的;暴漲的。 6.(相機(jī))帶有閃光設(shè)備的。 flash language 隱語。 flash money [note] 假錢[鈔票]。
Experimental study of lignin flash pyrolysis 木質(zhì)素快速熱裂解試驗(yàn)研究
Identification of the coating solvent system by flash pyrolysis - gas chromatography - mass spectrometry 質(zhì)譜閃蒸法剖析涂料的溶劑系統(tǒng)
The physic - chemical properties of bio - oil produced from biomass flash pyrolysis experiments were analyzed . the influences of process parameters on bio - oil properties were investigated , and the bio - oil produced from pyrolysis of different biomass feedstock was also compared 本文還分析了通過試驗(yàn)所制得的生物油的物理和化學(xué)特性,并結(jié)合工況參數(shù)分析了它們對(duì)生物油理化特性的影響規(guī)律。
This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass , which distill the bio - oil in the domestic and international area , as well as the existing problems . this thesis primarily include following aspects : ( l ) , by experimenting and measuring the energy ( heat value ) and the content of c , h , n chemical element of right 20 kinds of common biomass , on the base of the experimental result , and respectively established the biomass energy predict experiment formula with the element of h and c is from change , and passed the ro . os examination , which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ) , proceeded the tg and dtg experimentation equal velocity ( 10 ? / min , 20 ? / min , 40 ? / min , 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples , according to the experimental data and arrhenius formula , we established the dynamics model of pyrolysis of , then , using the goast - redfern and p function , we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy , and established the every kind of dynamics model of pyrolysis of biomass , all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ) , in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles , we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope , we concluded the l / d ratios usually is from 5 . 0 to 6 . 0 , the average is 5 . 3 ; ( 4 ) , we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field , we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis , and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical , all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ) , according to the above experiment result , synthesize to make use of the engineering the mechanics , engineering the material , machine the design to learn the principle , deduce , establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ) , we gave the reactor ' s smallest cone angle certain , reactor cone wall strength design theory , the reactor production ability theory , the power design method and the critical rotation velocity theory 本文較全面、系統(tǒng)地綜述了國(guó)內(nèi)外生物質(zhì)熱解液化制取生物燃油技術(shù)研究發(fā)展現(xiàn)狀及存在的問題,主要研究?jī)?nèi)容有: ( 1 )實(shí)驗(yàn)、測(cè)定了20種常見生物質(zhì)的能量(發(fā)熱量)和c 、 h 、 n元素含量,根據(jù)實(shí)驗(yàn)結(jié)果分別建立了以h和c為自變量的生物質(zhì)能量預(yù)測(cè)經(jīng)驗(yàn)公式,并通過r _ ( 0 . 05 )檢驗(yàn);為閃速熱解液化裝置能量轉(zhuǎn)化率計(jì)算和生物質(zhì)能量利用率計(jì)算提供了依據(jù)和方便; ( 2 )選擇了8種生物質(zhì)試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恒溫加熱的tg和dtg實(shí)驗(yàn),根據(jù)實(shí)驗(yàn)數(shù)據(jù)和阿倫尼烏斯公式建立了生物質(zhì)熱解反應(yīng)動(dòng)力學(xué)微分方程,并采用goast - redfem積分法和p函數(shù)對(duì)其動(dòng)力學(xué)參數(shù)進(jìn)行了求解,解析出各種生物質(zhì)的頻率因子和活化能參數(shù),進(jìn)而建立了各種生物質(zhì)的熱解動(dòng)力學(xué)模型,為科學(xué)確定反應(yīng)器的閃速熱解工作溫度范圍及熱解反應(yīng)動(dòng)力學(xué)描述,提供了理論和依據(jù); ( 3 )為研究和確定不同尺度的生物質(zhì)顆粒中心達(dá)到全熱解的時(shí)間,在體視顯微鏡下對(duì)不同粒度的生物質(zhì)顆粒的長(zhǎng)徑比進(jìn)行了實(shí)驗(yàn)觀察和測(cè)定,得出生物質(zhì)的長(zhǎng)徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結(jié)果; ( 4 )采用復(fù)雜溫度場(chǎng)傳熱學(xué)理論對(duì)生物質(zhì)傳熱過程及充分熱解時(shí)間理論進(jìn)行了研究,解析推導(dǎo)出了不同尺寸生物質(zhì)顆粒中心溫度達(dá)到充分熱解溫度的時(shí)間( t ) ,得出了理論推導(dǎo)的充分熱解時(shí)間與最大產(chǎn)油率的熱解時(shí)間相一致的結(jié)果,為閃速熱解反應(yīng)器固相滯留時(shí)間設(shè)計(jì)和預(yù)測(cè)提供了理論依據(jù); ( 5 )根據(jù)上述實(shí)驗(yàn)結(jié)果,綜合運(yùn)用工程力學(xué)、工程材料、機(jī)械設(shè)計(jì)學(xué)原理,推導(dǎo)、建立了轉(zhuǎn)錐式閃速熱解反應(yīng)器物料滯留時(shí)間( )與轉(zhuǎn)速(或頻率)合理匹配理論; ( 6 )提出了轉(zhuǎn)錐式閃速熱解反應(yīng)器的最小錐角設(shè)計(jì)、錐壁強(qiáng)度設(shè)計(jì)、生產(chǎn)能力設(shè)計(jì)理論和功率計(jì)算方法及臨界轉(zhuǎn)速理論等。
The purpose of this thesis mainly aim to establish a series of designing theory of the biomass energy prediction , the theory of the pyrolysis kinetics of biomass and the rotation - cone mid - temperature flash pyrolysis fluidization device which is adapt to the peculiarity of chinese agricultural and forestry biomass , so we can proficiently and economically convert lots of wasted agricultural and forestry biomass to substitution of petroleum which is bio - oil , and provide the new technique , new theories and new method 本論文的目的旨在試圖建立一套適用于中國(guó)農(nóng)林生物質(zhì)特點(diǎn)的生物質(zhì)能量預(yù)測(cè)、生物質(zhì)熱解動(dòng)力學(xué)理論及轉(zhuǎn)錐式生物質(zhì)中溫閃速熱解液化裝置設(shè)計(jì)理論,以期為我國(guó)高效益地利用被巨量浪費(fèi)的農(nóng)林廢棄生物質(zhì),并將其經(jīng)濟(jì)、快速方便地轉(zhuǎn)換成石油替代品? ?生物燃油產(chǎn)品,提供新技術(shù)、新理論和新方法。
A quantitative pretreatment scheme suitable to gc - ms analysis of bio - oil was proposed for the first time in china , and an extensive determination of the chemical composition of bio - oil fractions was performed by means of gc - ms coupling . these studies were crucial for the upgrading and utilization of bio - oil . using some novel designing method , which are suitable to biomass and pyrolysis characteristics , were applied in designing the fluid bed biomass flash pyrolysis system 并且率先在國(guó)內(nèi)提出了適合于gc - ms分析的生物油的量化預(yù)處理方案(液?液萃取分離法) ,得出了各個(gè)組分(酸組分、堿組分、極性中性組分以及碳?xì)浣M分)在生物油中所占的份額,并對(duì)預(yù)處理所得的各個(gè)組分分別進(jìn)行了gc - ms分析,鑒定出了上百種化學(xué)成分。