煤成氣量 的英文怎麼說
中文拼音 [méichéngqìliáng]
煤成氣量
英文
amount of coal formed gass- 煤 : 名詞(黑色固體礦物) coal
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 氣量 : 1 (容忍謙讓的限度; 度量) tolerance 2 (舊指才識和品德的高低) ability and insight; 氣量表 gas m...
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At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably
同時,作者結合靜電測量原理以及氣力輸送管道的實際工況,從理論上提出了靜電傳感器的設計依據,完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗,分析了實驗現象和結果,驗證了靜電傳感器用於煤粉質量流量測量的可行性,並且通過系統調試和實驗,針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進,使其性能有了顯著地提高。This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation
本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。The gasifier is one j the key pieces of equipment in ammonia production, and the output of serni - water gas and the utilization of coal feedstock are all embodied in the gasifier
煤氣發生爐為合成氨生產中的關鍵設備之一,半水煤氣的產量以及原料煤的利用率都集中體現在煤氣發生爐中。On the basis of analyzing and chemically examining a large numble of samples, through comprehensively studying the reservoiring geological conditions as hydrocarbon generation, petrophysical property, reservoir - caprock assemblage and lithologic trap type, by use of mathematical statistics, it was considered that yulin gas field is located in the greatest hydrocarbon - generating intensity area in the basin and its hydrocarbon source rocks are the permo - carboniferous coal measure strata, thus possessing the material conditions of forming large - sized gas fields
通過大量的化驗分析樣品數據,採用數理統計的方法對生烴條件、儲層物性、儲蓋組合配置、巖性圈閉類型等成藏地質條件進行了較為深入的研究,認為榆林氣田處于鄂爾多斯盆地最大生烴強度區,其烴源巖為石炭二疊系煤系地層,具備形成大型氣田的物質條件。Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage
在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上,探討了低煤級煤層氣的生成機制,指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體;進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵,實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。The country has made substantial scientific and technological achievements in some research areas, such as the comprehensive prevention and control of beijing ' s environmental pollution, the capacity of the atmospheric environment, the background value and environmental capacity of the nation ' s major soils, acid deposition and its impact and control, the forecasting and monitoring of the influence of the changes in the global climate and corresponding countermeasures, the depollution of coal, and the control of air pollution
國家取得了北京市環境污染綜合防治研究、大氣環境容量研究、全國主要土壤背景值與環境容量研究、酸沉降及其影響和控制技術研究、全球氣候變化預測影響和對策研究、潔凈煤及大氣污染控制技術研究等一大批科技成果。Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。In the course of western development, it must have a lot of fund to exploit water and electricity, oil coalfield, colour metal, to build basic establishment. but the fund is very short, because the western area is located in a bad geographical place, and it is bchindhandly developed in history. so the western area is in the financial state of bottle - neck
在西部大開發過程中,水電、油氣、煤炭、有色金屬等資源的開發以及基礎設施的建設,需要大量的建設資金,但由於西部地區所處的地理位置以及歷史發展等多方面的原因,所需資金嚴重不足,形成了金融的「瓶頸」制約狀況;為了有效地解決資金的供需矛盾,本文提出採用項目融資的方式解決這一問題。Ceramic fuel cells are electrochemical devices that directly convert fuels such as gasified coal or natural gas into electricity without the limitation of the carnot cycle ( an ideal thermodynamic cycle in which heat is taken onto a working fluid at a constant upper temperature and rejected at a constant lower temperature )
陶瓷燃料電池是一種電氣化學裝置,能直接將煤氣、天然氣等燃料直接轉化為電能而不會受到卡諾循環(一種理想的熱力循環,熱量在恆定高溫下轉化成工作流體,在恆定低溫下被釋放)的限制。The equilibrium working temperature of the gasifier and the composition of the outlet syngas ( short for synthesis gas ) at this temperature were calculated by solving the chemical equilibrium and the energy equilibrium equations. the analysis was used to study the effect of gasifying agent mixture ratio on the outlet syngas composition, the cold gas efficiency, the thermal efficiency and the exergy efficiency. the optimum o2 / coal ratio was found for a reasonable vapor / coal ratio ( the vapor / coal ratio had little effect on the efficiencies ) for various kinds of coal to maximum the thermal efficiency and the exergy efficiency
通過化學平衡和熱量平衡方法求解氣化爐平衡工作溫度以及該溫度下的出口煤氣成分,研究了氣化爐進口氣化劑配比對出口煤氣成分、冷煤氣效率、熱效率及火用效率的影響,指出熱效率、火用效率最優情況下適應于各煤種的最優氧煤比以及合理的水蒸汽耗量,為多聯產系統的設計優化提供參考。The coal - bed gas is the one kind low pollution energy, and its major composition is methane, a small amount heavy hydrocarbon and some non - hydrocarbon gas bodies ( such as nitrogen gas, the carbon dioxide etc )
煤層氣是一種低環境污染能源,其主要成分是甲烷,少量重烴氣體和一些非烴氣體(如氮氣,二氧化碳等) 。In the condition of high combustion temperature, coal minerals are first decomposed and gasified, and when plume is cooling, they can form lots of submicron particles though nucleation, condensation and agglomeration
在燃燒的高溫條件下,煤中的礦物質首選經歷熱分解和氣化,當煙氣冷卻時,它們經過冷凝成核、凝結和團聚等作用,形成大量細粒子。Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays
對比發現,燃氣機熱泵的一次能源利用率和(火用)效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐;對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理;通過熱經濟學的分析,得出燃氣機熱泵的供熱(火用)成本為11 . 2元gj ,這個價格與現行集中供熱的價格相比還是很有優勢的。Thermodynamic methods were used to optimize gasifier, shift reaction and co2 removal, and methanol synthesis processes. polygeneration is a promising system to make the best use of thermal energy with different qualities to achieve high environmental and economic benefits
本文以熱力學方法研究了多聯產系統的熱效率和火用損失,對氣化爐、水煤氣變換和脫碳以及甲醇合成等單元作了優化分析,指出了多聯產系統在能量利用方面的合理性,對其環境效益和經濟效益的綜合評估方法進行了初步探索。Abstract : a new process of drop - feed gas carburizing with enhanced pressure and mass flow has been described
文摘:用高爐壓、大劑量煤油滴注進行氣體滲碳,所形成的滲碳氣氛碳勢可達2 . 0 % 2 . 6 % ,工件表面無碳黑沉積。The concentration of mathane monitor controlled by chip microprocessors, is able to sound the alarm bell based on the limit of mathane concentration, and start device to drain the gas at the same time
本文設計的用單片微機控制的甲烷濃度報警監控儀,是採用熱催化原理(俗稱黑白元件)探頭製成的甲烷濃度測量儀,適用於中小型煤礦井下各作業場所中測量空氣中的甲烷濃度。The task builds the system of remote meters - reading ( water meter, watt - hour meter, gas meter and heat meter ) based on lonworks technology. the system provides versatile methods for building and managing the control networks
本課題就是利用lonworks技術組成家庭四表(水表、電表、煤氣表、熱量表)的遠程抄送系統,此系統組網靈活、開放性好、易於擴展。Then a combustion evolution optimizing system based on the radiant energy measuring was built, economical boiler combustion adjustment was carried out, under the combined action of a controller based on fuzzy self - optimizing of fume
在此基礎上,建立了基於輻射能檢測的燃燒進化優化系統,通過煙氣含氧量與爐膛總輻射能的模糊自尋優控制器和風煤比進化優化器組成的燃燒優化迴路的共同作用,對鍋爐進行燃燒經濟性調節,達到燃燒優化控制的目的。Abstract : sewage sludge briquette made of 2 % ( dry basis ) sewage sludge, 0. 3 % white earth, and coal powder was studied under conditions of briquette similar to modeling and gasificaition for briquette on ammonia synthesis. briguette with white earth was taken as a reference. the results showed that rate of gasification of sewage sludge briquette was 50 % higher than that of briquette of white earth at 1100. ash melting point of sewage sludge briquette reached 1440 which satisfied the requirement of gasification of ammonia synthesis. results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis
文摘:以污泥添加量為2 % (干基)白泥添加量為0 . 3 % (干基)所制得的污泥型煤為研究對象,以白泥添加量為5 . 5 %的白泥型煤作為參照,考察了污泥型煤的氣化特性和二次污染.研究結果表明,在1100以上高溫下,污泥型煤的氣化速率比白泥型煤高50 %以上;污泥型煤的灰渣軟化溫度達1440 ,能滿足合成氨氣化要求;污泥型煤無二次污染,其氣化成分符合合成氨原料氣的要求These results can be used as a reference for optimization of polygeneration systems. the syngas generated from coal needs shifting reaction to adjust h2 / co ratio to fit the methanol synthesis requirement
由煤制得的合成氣經過變換反應達到滿足甲醇合成要求的氫碳比,這一過程消耗了能量但提高了甲醇產率,在不同的甲醇產率下多聯產系統的效率隨之改變。分享友人