煤的灰分 的英文怎麼說
中文拼音 [méidehuīfēn]
煤的灰分
英文
coal ash-
The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability
從經濟性和可靠性角度分析探討了煤的發熱量、灰分、水分等衡量煤質的特性指標對輸煤系統的影響。Test method for ash in coal tars and pitches
測試煤焦油和硬瀝青中灰分的試驗方法Standard test method for ash in coal tar and pitch
測試煤焦油和硬瀝青中灰分的標準試驗方法The major mineral resources are coal, iron, copper, magnesiu, rare earth, clay, lime stone, marble, and granite, 48 in all. the reserve of magnesium ranks the first in the province, that of lime the fourth, that of coal the third
梅州礦產資源主要有煤、鐵、銅、錳、稀土、瓷土、石灰石、大理石、花崗巖等48個礦種，其中錳礦儲量居全省第一位，石灰石、鐵礦儲量居全省第四位，煤的儲量佔全省的三分之一。Relations of calorific capacity and ash of raw coal in anjialing open - pit coal mine
安家嶺露天煤礦原煤發熱量與灰分的關系In their place we found intriguing alternations of turquoise - blue, gray and green clays, brown sandstone and fossilized plant matter called lignite
我們發現取而代之的巖層組成十分有趣，其中包括了藍綠色、灰色、綠色的黏土、棕色的沙巖，以及稱做褐煤的植物化石。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。Methods for analysis of coal ash and coke ash
煤灰分及焦炭灰分的分析方法Assessment on uncertainty of ash measured result in coal
煤中灰分測定結果不確定度的評定The gasification of beisu, shenfu, xinzhou and luan coal chars with co2 at 970 ~ 1165 was studied by the isothermal thermogravimetric analysis ( tga ) under the condition of chemical reaction control
摘要考察970 ~ 1165 ，北宿、神府、忻州、潞安煤焦與co2在熱天平中的氣化反應，用恆溫法進行熱重分析，考察煤種、氣化溫度、灰分對煤焦氣化的影響。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 rebuild method for boiler body, burning system, oil burning system, chemic water treatment system, circular water system, electricity generated and transported system, coal transported system, dust eliminated system and electric system have been given out. the solid waste, smoke, waste water and the dust prevented method are studied. the benefits for economy, society and environment after rebuilding are analyzed
本文從國際能源發展趨勢及龍鳳熱電廠的目前現狀出發，論述了油改煤工程的必要性和可行性;對油改煤的四種鍋爐轉型方案進行了科學的分析和論證，確定了立式旋風爐改造方案;給出了鍋爐本體、燃燒系統、燃油系統、化學水處理系統、循環水系統、發送電系統、輸煤系統、除灰系統、電氣系統的具體改造方案;研究了固體廢物、煙氣、廢水及煤塵的污染防止措施;分析了改造后經濟效益、社會效益及環境效益。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Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples
對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討，導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程，通過算例說明了修正的必要性。A part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples
對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討，導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程，通過算例說明了修正的必要性。Standard test method for trace elements in coal and coke ash by atomic absorption
原子吸收法測定煤和焦炭灰分中痕量元素的標準試驗方法Standard test method for major and minor elements in coal and coke ash by x - ray fluorescence
X -射線熒光法測定煤和焦炭灰分中主要和次要元素的標準試驗方法Grey interaction analysis of mine inflow growth of meiyukou mine
煤峪口礦礦井涌水量的灰色關聯分析Aimed at solving the problem that high content of unburned carbon is unfavourable for the comprehensive ultilization in scale of fly ash, the fundamental principle that separation of unburned carbon from fly ash is theoretically analyzed by wet flotation and dry electro - separation, three factors and two levels orthogonal test for flotation and two factors and three levels test for electro - separation were conducted, furthermore, the primary factors and law affecting separating efficiency in flotation and electro - separation were obtained. the results show that wet flotation can give 7. 34 % of the cleaned coal yield rate, which contains 44. 53 % of ash content and 56. 02 % of separating efficiency, while dry electro - separation can reduce the content of carbon in separated fly ash to 3. 16 % and remove 53. 12 % of carbon from fly ash
針未燃炭含量過高不利對粉煤灰大規模綜合利用的問題，從理論上分析了粉煤灰濕法浮選和干法電選分選未燃炭的基本原理，進行了三因素二水平正交浮選試驗和二因素三水平的正交電選試驗研究，得到了影響浮選和電選分選效果的主要因素及其規律.試驗表明:採用濕法浮選法可獲得精煤產率為7 . 34 % ，灰分為44 . 53 % ，分選效率為56 . 02 %的分選效果；採用干法電選，選后粉煤灰的含碳量可降到3 . 16 % ，脫碳率達53 . 12 %分享友人