煤礦回採 的英文怎麼說
中文拼音 [méikuànghuícǎi]
煤礦回採
英文
stope of coal mines-
The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result
針對大傾角煤層長壁炮采、落垛等採煤方法，存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題，開灤（集團）趙各莊礦業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中，取得了較好的社會經濟效益。Abstract : based on the actual state in fengshuigou coal mine, provides the technology ways of lifting coal extracion rate, which are reforming coal winning machine, reducing thickness loss, adjusting mining triangle coal, reducing area loss, reforming extraction process and extracting goaf
文摘:根據風水溝煤礦實際情況，提出了改造採煤機，減少厚度損失；調采三角煤，減少面積損失；改變回採工藝回收老塘等提高煤炭回採率的技術途徑。By measuring goaf gas concentration distribution in 3205 working face of taopinggou coal mine, we initially identified gas concentration distribution rules in coaf of room and pillar working face, therefore provided scientific basis to prevent and cure gas accidents of goaf in such working face
摘要通過對桃坪溝煤礦3205回採工作面采空區瓦斯濃度分佈的實際測定，初步查明了房柱式回採工作面采空區瓦斯濃度的分佈規律，為今後此類工作面采空區瓦斯防治、防止采空區瓦斯事故的發生提供了科學依據。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。Discussion on roadway support management of small coal mine working face in pingdingshan mining area
淺談平頂山地區小煤礦回採工作面巷道支護管理Discussion on destruction mechanism and strengthening support of deformation of recovery roadway in coal mine
淺談煤礦回採巷道變形破壞機理及其加強支護Application of loose circle measurement technology of surrounding rock in the mining roadways of shuangliuta colliery
圍巖松動圈測試技術在雙柳煤礦回採巷道中的應用Probing into gas control technique by high roof - fall roadway and highly - located bore - holes in working face of shangzhuang coal mine
尚莊煤礦回採工作面頂板高冒巷和高位鉆孔治理瓦斯技術探討Xinji no. 3 coal mine is a steep mine. it has reached pre - results by isolating the pillar with loosen blast technology in recovery area. the recovery rate is lifted and coal loss is reduced. it is an example for the same mine
新集三礦屬急傾斜礦井，在回收區段隔離煤柱中應用松動爆破技術，達到了預期效果，提高了采區回採率，減少了煤炭損失，並為同類型礦井提供了經驗。Study on bolt - net supporting and ground pressure of entries in three soft seam of wangcun coal mine
王村礦三軟煤層回採巷道礦壓顯現與錨網支護研究Application of recovering triangle coal and increasing recovery in xinli mine
回收三角煤增加回採率在新立礦中的應用Aiming at the coal under the building, rail and water, difficultly - mined coal and the side of strip mine, hardly mined, but it is utilization for the ucg study on field test of air coal gas, water coal gas, rich oxygen coal on the side of strip the side of strip mine mine of fu xin, using the ucg for the mineral well, getting the method for building stove of ucg, obtain different coal gas group and heat value for the different gasification craft high volatile, multiple thin coal seams on the side of strip mine are suitable to underground coal gasification to produce middle low heat value gas
摘要針對「三下」煤層，難採煤層，復雜煤層以及露天邊坡剩餘的煤炭資源，並工開采不經濟或難以開采，可利用煤炭地下氣化將這些殘余資源得以回收利用，試驗利用礦井式煤炭地下氣化方式，對阜新礦露天邊坡進行了空氣煤氣、水煤氣、富氧煤氣的工業性試驗研究，通過煤炭地下氣化工業性試驗，得出在露天邊坡礦井式氣化建爐方式，不同氣化工藝的煤氣組分，熱值。The practice of bolt support technology by remaining narrow and small coal column for extraction roadway in longgu coal mine
龍固煤礦留窄小煤柱回採巷道錨桿支護技術的實踐Practice of deep shaft no. 4 working roadway support in wennan coal mine
汶南煤礦深井回採巷道支護Recovery roadway support under deep ground pressure in gucheng coal mine
古城煤礦深部地壓下回採巷道支護方法Using the basic theories of hydrogeology, according to the analyses about the cause of the water bursting during the first drilling of 1211 ( 3 ) working - face in pansan mine being dug and the geological and hydrogeological condition on this working - face, the feasibility of reducing waterproof pillaring is analyzed and a project of overall arrangement and recovery on this working face is proposed
摘要運用水文地質學的有關原理，通過對潘三礦1221 （ 3 ）工作面第一個切眼掘進中突水原因和1211 （ 3 ）工作面地質、水文地質條件的分析，分析了1211 （ 3 ）工作面縮小防水煤柱開採的可行性，提出了工作面總體布局和回採方案。Aimed at the status - quo of full - mechanized caving mining face in chaijiagou colliery, optimization design is made to make it more suitable for the mining conditions of this colliery, exert better the advantage of full - mechanized caving mining and recover coal resource furthest
摘要針對陜西集華柴家溝煤礦綜放工作面現狀，對其進行優化設計，使綜放工作面設計更加適合該礦開采條件，更好地發揮綜放開採的優越性，最大限度地回收煤炭資源。Article 29 in the exploitation of coal resources, coal mining regulations must be complied with, the rational mining sequence followed and the rate of extraction set for exploiting coal resources achieved
第二十九條開採煤炭資源必須符合煤礦開采規程，遵守合理的開采順序，達到規定的煤炭資源回採率。An initial approach to solution of the problems found in the equipment used for coarse coal slime recovery in yangquan no. 2 colliery c. p. p
針對陽泉二礦採用圓盤過濾機回收煤泥過程中產生的問題進行分析並提出解決問題的辦法。分享友人