高質量煤 的英文怎麼說
中文拼音 [gāozhíliángméi]
高質量煤
英文
high quality coal-
At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat
同時通過提高開挖表面質量，以及調整粉煤灰摻量以降低水化熱溫升等措施，有效地解決了混凝土裂縫問題。In recent years at iron - making plant of pangang, the coke ratio of pig iron has reduced evidently by insisting on “ burden preparation ” course, improving quality of sinter, raising wind temperature, increasing rich oxygen quantity and injecting abundant pulverized coal into bf. the solid fuel consumption of sinter has been decreased greatly through insisting on using high - quality calces, practising high feed sintering, actualizing many techniques in solving key problems. at the same time, the energy source base management has been strengthened, and energy - saving work has made great progress, profits generated by energy - saving have exceeded a hundred million yuan
近年煉鐵廠通過堅持「精料」方針，改善燒結礦質量，提高風溫，增大富氧，實施大噴煤，使入爐焦比有明顯下降；燒結堅持用好生石灰，推行厚料層燒結，實施多項技術攻關，固體燃耗大幅度下降；同時加強能源基礎管理，節能工作取得長足進步，節能創效益1億元以上。The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete
研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。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。The present work is to develop a new high performance single component waterproofing construction putty powder with cement fly asb quartz powder cmc and pp fiber as its main constitutes. its result can be a basis to popularize cement putty and a reference to establish national criterion. firstly, the influence of some major materials on the basic performances of putty was studied, and find the major constitutes and mix proportion, simultaneity, the principle to select element is cheap unpolluted and comprehensive
為了提高建築工程的裝修質量以及適應我國當前建築事業的發展要求，本文選用水泥、粉煤灰、石英粉等常用建材並摻入適量纖維素、聚丙烯纖維及助劑配製出一種高性能單組分且具防水性的新型水泥基膩子，成本低廉且符合環保要求，其成果可作為推廣水泥基膩子產品應用的依據，並對國家外墻膩子行業標準的制定提供參考。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。In the main factory building structure of large - scale thermal power plants, due to its great height and large vertical loads ( such as a furnished for arranging coal bucket between interstory, whose mass is too concentrating ), anti - seismic problem is much outstanding
在大型火力發電廠主廠房結構中，由於其高度較大，且豎向荷載較大（如層間布置有煤斗等質量過于集中的設備） ，故抗震問題較為突出。It firstly analyzes the gasification principle and process of coal in constant pressure moving - bed gas producer and the research on gasification process and control of technical condition proves that it is the most effective way to improve the quality of coal for gasification and quality of hot coal gas, enhance the gasification intensity and gasification efficiency of gas producer
首先，分析了煤在常壓移動床式煤氣發生爐內的氣化原理和工藝過程。對氣化過程工藝條件控制的研究表明，提高氣化用煤的品質，是改善熱煤氣質量，提高煤氣發生爐的氣化強度和氣化效率的最有效途徑，並對氣化用煤的指標，提出了具體的要求。Screening system is installed at specialized coal ship loading terminal to make foreign material content meet the cargo owner ' s requirement and improve the quality of coal for export
摘要在專業化的煤炭裝船碼頭設置篩分除雜系統，能根據貨主要求控制煤炭中的雜物含量，提高出口煤炭的質量。Implementing dry washing rationally to improve coal quality effectively
合理實施干法選煤有效提高煤炭質量The contents of rare - earth element in coals are correlative to the contents of the ash of these coals, with a few of coal samples showing exceptional high contents of rare - earth element due to the presence of the heavy mineral assemblages
煤的稀土元素質量分數與灰分質量分數呈正相關關系，部分煤樣品由於有富稀土元素的重礦物組合的存在而出現稀土元素的異常高值。In view of safety the elementary and industrial analyses of coal samples were conducted, a systematic experiment was performed to investigate the minimum ignition temperature ( mit ) of zhangcun and changcun meager - lean coal in a g - g furnace, and the effect of dust concentration, spray - air pressure and dust particle size on the mit was analyzed
摘要從工業安全形度出發，對實驗煤樣進行了元素分析和工業分析，在高德伯兒格格瑞瓦爾德爐中對潞安常村、漳村貧瘦煤的最低著火溫度進行了比較全面、系統的實驗研究，探討了煤粉質量濃度、噴吹壓力以及粒度對最低著火點的影響。The results show that the tim increases with the decrease of dust concentration and the increase of spray - air pressure and dust particle size
結果表明，最低著火溫度隨煤粉質量濃度的減小而升高，隨噴吹壓力和煤粉粒度的增大而升高。The scc has the following advantages : remarkably reducing the noisy pollution and the worker s labor intensity in construction, deducing the rough surface or segregation because of missing - vibration or excessive - vibration in conventional construction, resolving the quality - defect problems resulting from lacking - vibration in the section of complex shapes and densely - packed reinforcement area. at the same time, large of industrial solid waste such as fly ash and blast furnace slag is utilized in the proportioning of scc. it is helpful in comprehensive utilization of resource and environment protection, so the scc belongs to " green concrete ", it is a branch of hpc which will be developed in the future
這種混凝土可以顯著降低混凝土施工中的噪音污染；大幅度減輕工人的勞動強度；減少傳統混凝土施工中因漏振或過振造成的麻面或離析；解決了配筋密集、結構復雜部位因振搗不足而造成的質量缺陷問題；同時，由於自密實混凝土在配製中，大量利用粉煤灰、高爐礦渣等工業固體廢棄物，有利於資源的綜合利用和生態環境的保護；從而被譽為「綠色混凝土」 ，是未來混凝土向高性能發展的方向之一。Through the research on the reducer reliability and optimization design, the design quality of the drilling machine are improved greatly. it is proved that the type zk - 150 drilling machine capability is advanced and operation is reliable by examine and industrial test in coal mine. another advanced equipment provided to users has wide application foreground
通過可靠性優化設計，使鉆機的設計質量得到很大提高，所研製的zk - 150型鉆機經性能檢測和工業性試驗證明：技術性能先進，機械運轉可靠，為煤礦提供了又一先進設備，具有廣闊的市場前景。Progress of research in preparation of high grade activated carbon precursor by carbonization of coal
高質量煤基活性炭炭化料的制備研究進展With the experiment, the author believes that electrostatic transducer technology has several characteristics as the new means of mass flow rate measurement technique : its structure design is very novel and can be prone to be installed, it is more suitable for the measurement on the mass flow rate of the coal particulate in larger caliber pipelines and has higher delicacy in the measurement on both dilute and dense phases
通過實驗，作者認為靜電傳感技術作為一種新興的質量流量測量技術具有以下特點：靜電傳感器結構設計新穎，易於安裝，適合於大口徑管道中煤粉顆粒的質量流量測量，對稀相及濃相測試均具有較高的靈敏度。The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation
浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation
文摘:浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行The joint british - afghan survey found significant deposits of natural gas, petroleum and coal ; copper, chromate, talc, barites, sulphur, gold, lead, zinc, iron ore and salt ; and precious and semi - precious stones including high - quality rubies, emeralds and much of the world ' s supply of lapis lazuli ( pictured )
英阿聯合勘測隊發現了意義重大的天然氣、石油和煤礦；銅、鉻酸鹽、石膏、重晶石、硫磺、金、鉛、鋅、鐵和鹽礦；富含高質量紅寶石的寶石和亞寶石礦，以及世界上大多數的天青石資源（如圖） 。分享友人