採煤場 的英文怎麼說
中文拼音 [cǎiméichǎng]
採煤場
英文
coal face-
Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle
摘要採用有限元法對陶瓷水煤漿噴嘴溫度場、溫度梯度及其熱應力進行了分析計算。In this paper, the principle of. fly ash static doffing charcoal has been brought forward. that is : using some measure and making charcoal grain and abio - ash grain of fly ash carry isomerism charge before they enter into static electric field
本文提出了粉煤灰靜電脫炭原理和技術,即採取技術措施使粉煤灰中炭粒和無機灰粒在進入靜電場前分別帶上異性電荷,利用電場力的作用把炭脫去。The paper uses the methods of determining the nature and quantity. the sea coal quantity is forecasted by the index - smoothness method based the demand of the future coal market and distributed by the proportion of different transportation modes of the coal input areas and the economical principle, evaluate the capacity, the equipment and the facilities of the coal harbors, establish the evaluation model and index, and research the capacity and countermeasure of the coastal coal harbors based the forecast of the coal production and consumption market by the system principle
本項研究採用定性與定量向結合的方法;煤炭海運量預測以未來煤炭市場需求預測為依據,按照主要煤炭調入地區運輸方式的分配比例,並根據煤炭運輸的經濟性和合理性原則,採用指數平滑預測方法進行預測;對港口通過能力和設施、設備的利用情況進行定量評價,並建立相關的評價模型和評價指標。This paper is to analyze the fact that the scale of coastal ports is becoming larger and larger and that the increase of coal transportation has already demand the better equipments in coal harbors and shipping quality, to forecast the consumption of coal transportation in the future and to point out the developing trend of coal transportation. the paper uses the method of determining the nature and quantity. the sea coal quantity is forecast by using the detailed transportation in different coastal harbors it evaluates the capacity of different harbors by contrasting true transportation with the deigned capacity
本項研究採用了定量和定性相結合的方法:煤炭運輸的未來需求主要是應用現有港口吞吐量數據進行預測;對現在港口設施的利用情況以及港口的煤炭通過能力也根據碼頭泊位與實際通過量的對比作以定量分析,文中還大量的運用了系統方法和原理,對我國煤炭運輸的現狀及其市場的發展進行了詳細闡述,最終提出了解決現有不足的對策。The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table
公司主導產品為:系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。Based on the example of south dump slope of anjialing open colliery in pingshuo, the rule of surface subsidence was studied using flac ( superscript 3d )
摘要為研究露天煤礦排土場邊坡下采動沉陷規律,結合平朔安家嶺露天礦南排土場邊坡的實例,採用flac (上標3d )程序進行了數值模擬計算。Abstract : based on the site actual measurements, the inversion analysis on the d estroy range of roof and floor by the combined mining of thin seams was made by using numerical modeling
文摘:以現場實測結果為基礎,利用數值模擬與反演方法分析了薄煤層聯合開採的頂、底板破壞范圍。Abstract : on the basis of site actual measurements, the safety of the combined mining of 16 and 17 thin seams under water body in the 4th mining area of zhaopo coal mine was evaluated by means of inversion analysis and numerical modeling. some relevant mining scheme and technical measures were worked out so as to ensure smooth production
文摘:以現場實測結果為基礎,利用反演分析和數值模擬計算手段對趙坡煤礦四采區下山部分距老空區水體下極限距離的16 、 17薄煤層聯合開採的安全性進行了評價,並制定了相應的開采方案和技術措施,保證了生產的順利進行。An economic and technological comparison is made of methanol units based on anthracite, coke oven gas and bituminous coal, the conventional process is adopted, and the whole unit is optimized, thereby lowering the production cost of methanol, with remarkable competitive superiority on the market
通過對以無煙煤、焦爐氣、煙煤為原料甲醇生產裝置的經濟技術對比,採用傳統工藝並對全裝置進行優化,可以降低甲醇生產成本,在市場中仍具有顯著的競爭優勢。They can be found in circular cast houses of blast furnace, in oil - sealed dry gasholders and in workshops with curved cranes. cross sections of these curved members are of various types, such as il - shaped, i - shaped, channel, box and h section without any symmetrical axis
曲線梁在工業和民用建築中也常有應用,在高爐環形出鐵場、乾式煤氣櫃內部結構以及某些有工藝要求的廠房內,常需採用不同截面形式的環形曲梁。Abstract : the paper describes the application of vacuum preloading in combination with surcharge preloading to improve soft soils for la rge working load in the storage area of phase of nanjiang coal terminal of ti anjin port. analysis is made on the result of the improvement and it is concluded that the technique of vacuum proloading in combination with surcharge preloadin g can be used to improve soft soils for large working load and the result can be remarkable
文摘:本文介紹了大使用荷載條件下真空聯合堆載預壓技術在天津港南疆煤碼頭堆場(二期)軟基加固工程中的應用情況,並對加固效果進行了詳細分析,得出了大使用荷載條件下可採用真空聯合堆載加固軟基且加固效果明顯的結論。To the development and variety of coal market structure and demand in future, the right measures and counter strategies should be applied urgently
針對未來煤炭市場結構及煤炭水運量的發展和變化,應及時採取相應的措施及競爭戰略。The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。Product info : the vibrating screen with circular motion is specially designed for quarry to separate crushed stone material into different sizes, and is dressing, cibstruction matefial, elecric and chenueal industies. it has a feature of advanced structure, powerful vibrating forces, low vibration noise, easy maintenance, high durability and etc
上海林滬實業有限公司專為採石場篩分料石設計生產的「山友」牌系列振動篩,運動軌跡呈圓周,也可用於選煤選礦建材電力及化工部門等作產品分級用,本公司產品具有結構先進激振力強振動噪音小易於維修堅固耐用等特點。System of fault diagnosis and monitoring for electric haulage shearer based on field - bus
基於現場總線技術的電牽引採煤機監測監控與故障診斷系統The main work this paper do are these like below : ( 1 ) this paper reviewed and summarized the development and actuality of bank in china, induced the variety of bank ' s disease and the measure of judge etc. ( 2 ) introduced and studied fast lagrangian analysis of continua. flac3d is a three - dimensional explicit finite - difference program. uing this program, obtained the three - dimensional settlements of huxi bank and analyzed the tention area and the cut - off area. the result shows that there are a lot of andscape orientation cracks and portrait cracks in the bank. these cracks bring some disadvantage influence to slope stabilization and seepage of bank
主要內容如下: ( 1 )回顧總結我國堤防發展的基本狀況及運行現狀,對堤防病害的種類及評判方法進行歸納。 ( 2 )對三維快速拉格郎日有限差分法進行了深入研究,並運用此理論對地下采動的結構和過程進行了數值模擬,對湖西大堤姚橋礦段由於地下採煤而引起的不均勻沉降進行了計算,得出堤體及其周圍地基的三維位移場,分析了由於不均勻沉降而產生的拉應力區和剪切破壞區域。In order to systematically summarize research outcome of mining under buildings and further accelerate its development, by consulting a large number of literature and making synthetic analysis, this paper presents an overall summary of the latest research outcome of mining under buildings from the following three aspects : protecting measures of mining under ground, of buildings on the surface, and grouting of overburden, and analyzes the current research state of coordinating action of ground, foundation and structure of buildings in mining area
摘要為了系統歸納建築物下採煤的研究成果、進一步促進建築物下採煤學科的發展,採用查閱大量文獻資料和綜合分析的方法,對目前建築物下採煤在井下采礦措施、地面建築物保護措施、覆巖離層注漿等三個方面的研究發展現狀進行了全面的總結,並對采動區建築物地基、基礎與結構協同問題在理論研究和現場實測方面的研究現狀進行了分析。The angle - servo scanning system loaded range finder using laser is applied in this measuring system, which can meet the need of easuring the account of stored coal. the system also has functions of collecting and processing data, printing metering forms and drawing three - dimensional pictures or profiles of the coal heaps
本測量系統採用了加載激光測距機的角度隨動掃描系統,可以實現煤場儲煤量測量的要求,它還具有實時顯示測量過程,測量數據的維護,列印輸出計量報表,繪制煤堆三維圖形和剖面圖。Study on the mining way under industry square
工業廣場下壓煤採煤方法研究Also the new ideas and the results of theoretic calculation are proved by in - situ measurement and experimentation in some two top coal caving mining faces, and the initial safe supporting strength in coal mining face be concluded
在此基礎上提出最小支撐強度和最大支撐強度的觀點,指出了決定它們取值大小的因素,最後通過兩個放頂煤工作面部分實驗和現場的測試,對提出的觀點及理論計算值進行了驗證,從而得出了採煤工作面的安全初撐強度。分享友人