煙氣分散 的英文怎麼說

中文拼音 [yānqìfēnsǎn]
煙氣分散 英文
stack gas dispersion
  • 煙 : Ⅰ名詞1 （物質燃燒時產生的氣體） smoke 2 （像煙的東西） mist; vapour 3 （煙草） tobacco 4 （紙煙、...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. The fire design for a large building of saling books is always a very important research subject. because of the large scale, high space, high hazard of fire and particular construction of these buildings, their fire - protection designs, including fire compartmentation, safety evacuation, smoke control, construction protection and positive fire - protection device and etc., put forward a challenge to the traditional ‘ prescriptive ’ fire - protection design codes

    大型公共建築物的防火設計一直是非常重要的研究課題，由於這類建築規模大、空間高、結構特殊、火災危險程度高，其消防設計在防火分區、安全疏散、煙氣控制、建築結構防火保護、主動消防設施設置等方面對傳統的「處方式」防火設計規范提出了挑戰。
  2. With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke

    通過對案例分析研究，本文認為大型書城建築性能化防火設計研究的最終目的是保證人員生命安全和保證建築結構安全，在模擬計算和量化分析的基礎上，大型書城的防火分區可以將中庭連通的書城區域劃分為一個區，在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設計中，應盡可能利用書城賣場的空間設計較多的安全出口和增大疏散寬度，其安全出口數量、寬度和疏散距離可以根據人員安全疏散時間和煙氣溫度、沉降高度、 co2濃度、 co濃度、能見度模擬計算結果驗證確定;在防排煙方式的選擇上，應當根據建築物的幾何特點選取最適宜的措施，就大型書城建築而言，採用自然排煙的方式是可行的。
  3. High temperature resistant measure is taken to extend its service life significantly in comparing with the tube still hot air furnace, whereas, cross brushing of heat sink by the smoke and negative pressure smoke exhaust are used to ensure a clean heat exchanging position with stable thermal performance

    該爐採取了耐高溫措施，從而使其壽命比列管式熱風爐大大延長，並採用了煙氣縱向沖刷散熱片和負壓式排煙方式，換熱部分不積灰塵，無須清理，熱性能穩定。
  4. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  5. Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水，蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰，排煙溫度高，煙氣熱量未回收利用以及爐子保溫襯里效果差等問題，提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明，本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題，提高了保溫效果，減少散熱損失1 . 25 % ，排煙溫度降至170左右，裝置的爐效率由83 %左右提高到90 %以上
  6. The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水，蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰，排煙溫度高，煙氣熱量未回收利用以及爐子保溫襯里效果差等問題，提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明，本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題，提高了保溫效果，減少散熱損失1 . 25 % ，排煙溫度降至170左右，裝置的爐效率由83 %左右提高到90 %以上
  7. Based on setting up the fire safety goals, performance criterion, fire scenario and uncertainty factor, this article simulated the occupants ’ evacuation time, smoke spread, radiation flow etc and determined fire detector and automatic extinguishing device by using the developed engineering method. and so these buildings ’ fire safety goals, which have the equivalent safety level with the existing national standard, can be achieved and those problems, which caused by some incompliment requirements or the existing codes not adapting to the practical need, can be solved

    針對這類建築存在的典型問題，通過設定消防安全目標、確定性能判據、建立火災場景，考慮不確定因素，運用已開發的工程學方法對人員安全疏散時間、煙氣蔓延、輻射熱通量等進行模擬計算，對火災探測和自動滅火設施進行分析選擇，認為大型書城建築採用至少與現行國家標準的規定等效的方法來實現建築物的消防安全目標，能夠解決現行標準與實際需要不相適應或某些不完善的規定所帶來的問題。
  8. Cigarettes - determination of carbon monoxide in the vapour phase of cigarette smoke - ndir method iso 8454 : 1995

    卷煙.煙霧氣相中一氧化碳含量測定.非色散紅外分析法
  9. Stationary source emissions - determination of concentration and mass flow rate of particulate material in gas - carrying ducts - manual gravimetric method

    固定源散發.含燃氣煙道中顆粒物質濃度和質量流率的測定.人工重量分析法
  10. Taking dongzhimen station on beijing metro line 13 as an example, authors of the paper adopt cfd three dimensional simulation and one dimensional network simulation respectively to make a predictive analysis on the smoke distribution and air flow during a fire in accordance with the smoke suppression and exhaust system installed in the public area of the station and in the transit tunnels, and point out that the reliability of the smoke suppression and exhaust system is most important to guarantee the capability of passenger evacuation during a fire

    摘要以北京地鐵13號線東直門站為例，結合車站公共區與區間隧道的防排煙系統設置情況，分別採用cfd三維模擬與一維網路模擬的方法，對火災時煙氣的分佈及氣流流動善進行預測分析，說明防排煙系統的可靠性對于保證火災情況下的安全疏散能力至關重要。
  11. In this paper a perfect and flexible experimental system of low nox combustion is established firstly. the influences of the temperature of combustion, the air excess coefficient, a certain amount of vapor added in advance, the temperature of preheated air, adding microwave into gas before combustion, gas recycling combustion and the mode of combustion ( diffused and premixed ) on nox emission are analyzed respectively. the combustion of liquid petroleum gas is simulated with phoenics 3. 5

    首先建立了完善靈活的低no _ x燃燒實驗系統，在實驗系統上完成了燃燒溫度、過量空氣系數、預先加入一定量的水蒸汽、空氣預熱溫度、對燃氣預先進行微波處理、煙氣再循環燃燒以及燃燒方式（擴散式與預混式）對no _ x生成的影響分析；採用phoenics3 . 5軟體進行了液化石油氣燃燒的數值模擬。
  12. Specification for 600 1000 v single - phase split concentric electric cables - cables having thermosetting insulation and low emission of smoke and corrosive gases when affected by fire

    600 1000v單相分芯同軸電纜規范.第3部分:帶熱固絕緣層和遇火有低發散煙霧和腐蝕性氣體的電纜
  13. Despite a range of measures taken over the years, beijing ' s air remains perpetually smoggy

    盡管這些年採取了一部分措施，北京的空氣依然保持煙霧始終不消散。
  14. Rubber insulated cables of rated voltages up to and including 450 750 v - part 9 : single core non - sheathed cables for fixed wiring having low emission of smoke and corrosive gases

    額定電壓450 750v及以下的橡膠絕緣電纜.第9部分:煙和腐蝕性氣體低發散率的固定布線用單芯非鎧裝電纜
  15. Because gas treatment production line is characterized by long flow, wide distribution decentralizing control procedure and a lot of monitoring points etc, fieldbus was adopted for collection of real - time signal, communication and control to realize automatic coordinating management and control of gas treatment production line arid successful control of lead and zinc smelting gas meanwhile ensure normal arid high effective production of lead and zinc

    摘要針對煙氣治理生產線流程長、分佈廣，控制工序分散、監控點多等問題，採用現場總線對大型多測點系統進行信號實時採集、通信與控制，實現對煙氣治理生產線的自動協調管理及控制，確保在鉛鋅正常、高效生產的同時，成功實現對鉛鋅冶煉煙氣的徹底治理。
  16. This thesis presents a mathematic model and basic frame of the performance - based design method, resolves the most valuable problem in developing a complete and fine performance - based model. 2. this thesis established a smoke flow model and to the frame of the performance - based design

    2 、本文建立了基於性能化設計方法基本框架和核心演算法的煙氣性狀模擬模型，該模型實現了對建築的流場和熱場的分析，可用於模擬建築煙氣的流動和擴散。
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