析煤器 的英文怎麼說
中文拼音 [xīméiqì]
析煤器
英文
coal collector-
Failure analysis and countermeasure of cutting reducer of coal cutter with lateral arrangement multi - motor
多電機橫向布置採煤機截割減速器失效分析與對策Punching press cracking of economizer expansion plate
省煤器膨脹板沖壓開裂原因分析This thesis establishes the main factor of heating surface slagging of no. 1 boiler, that it is due to irrational layout of furnace heating surface, improper angle of burner which lead to flames attaching to furnace walls. such deduction is built on the basis of necessity of analyzing the heating surface slagging, the type of coal, the design of the furnace and burner, the operational condition and other factors effecting slagging of boiler. the research is mingled with practical operations of no. 1 boiler in inner mongolia fengtai electric power generation co, ltd
本論文從分析燃煤鍋爐結渣問題必要性出發,從煤種、爐膛及燃燒器設計、運行工況等因素對鍋爐結渣的影響著手,結合內蒙古豐泰發電有限公司~ # 1鍋爐實際運行中存在的問題,確定了~ # 1爐受熱而結渣的主要原因是爐膛受熱面布置不合理,燃燒器角度不合適導致火焰貼壁所致。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。Method for proximate analysis of coal for export. by instrumental procedures
出口煤的工業分析方法.儀器法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。Mean while, the iouver concentrator structure principle is analyzed, the iouver puiverized coal concentrator is studied on the bases of both laboratory and production. lt is discovered from the experiments that the louver horizontai rich / lean combustion pulverized coal burner has advantages of simple in structure, low resistance and adjustment of pc concentration
同時,重點分析了百葉窗濃縮器的結構原理,並在試驗臺上和現場對百葉窗煤粉濃縮器進行了大量的試驗研究,結果表明:百葉窗式水平濃淡煤粉燃燒器具有結構簡單、阻力損失小、分離調節方便等一系列優點。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐(蒸汽吹灰)為具體分析對象,分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型,建立相應的吹灰器運行規則指導,對設計中的關鍵模型問題,通過模擬計算及與現場數據作比較的方法,驗證其可用程度。Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing
摘要通過對我國現行減速器行業標準及煤炭行業生產現狀與國外同類減速器的對比分析,提出了不同散熱方式對減速器熱功率的影響,給出了在設計和選用大功率減速器時,針對不同的工況所應採取的有效散熱方法,保證減速器熱功率的有效提高,最大限度地發揮和使用設計機械功率。The flame - stabiiization mechanism and working condition of new types of burners is introduced, as weii as the technology of adjustable horizontal rich / iean combustion is studied
較詳細地分析了國內外各種新型煤粉燃燒器的穩燃機理和運行狀況。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。The causes leading to somewhat low indicating value of the flame detector for very few burners in coal - fired utility boiler or misjudgement of the value have been analysed, and resolving measures, such as adjusting the detection distance of the flame detector, eliminating shield of vision for the flame detector, revising the critical value and background evaluation etc., being put forward
摘要分析了電站燃煤鍋爐個別燃燒器火檢指示值偏低或誤判的原因,提出了調整火檢的檢測距離,消除火檢視線遮擋,以及修改火檢的臨界值和背景值等解決措施。On the basis of annlyzing the main domestic cocurrent combustor, we adopted the up and down - shade - technology to reform the combustonafter researching the characteristics of main coal and its affecting factors, i. e., density of coal dust, granularity of coal dust, firing characteristics, alteration of coal, we put forward the scheme of coal ' s configuration and reforming plan about structure of combustor and its disposal type. finally, we make a debugging of cool and hot performance and operation optimizing
因此,本文在分析目前國內主要直流燃燒器性能的基礎上,選用了上下濃淡燃燒技術,改造了燃燒器;通過對現場燃燒的主要煤種特性及煤粉濃度、煤粉細度、著火特性、煤種變動等的分析研究,提出了配煤方案和燃燒器的結構、布置方式改造方案;最後進行了冷、熱態性能與運行優化調試。Corrosion analysis of economizer tube is investigated by sem and eds, x - ray etc with the condition of boiler economizer
摘要結合余熱鍋爐省煤器的工況條件,用掃描電鏡及eds 、 x射線等方法分析省煤器爐管腐蝕原因。Many specialty sensors, including flexible, high temperature and analog capacitive sensors
-生產煤質分析儀器煤焦儀器和實驗室標準儀器設備。This paper also analyzes the ash wear mechanism, and then does the effects of low temperature economizer wear five factors : the first is the smoke corridor caused by wear mechanism, the second is the impact on the wall material, and the third is that of flying ash concentration, the fourth of the excess air ratio, and the fifth is the change in the composition of the gas to wear the impact
分析了飛灰磨損的機理,然後分析了影響低溫省煤器磨損的5種因素,一是煙氣走廊引起磨損的機理;二是管壁材料的影響;三是飛灰濃度的影響;四是過量空氣系數的影響;五是煙氣成分的變化對磨損的影響。Basing on the studies on the problems of leak - in, intermittent supplying water, ashing and abrasion in the operation of the auxiliary heating surface - economizer of chain boiler, the problems have been solved, through reinforcing the economizer ' s seal, supplying water frequently and using fin tube economizer. the economizer will reach the design effect in practical operation and the fuel will be saved
本文在分析鏈條鍋爐輔助受熱面省煤器運行中存在的漏風、間斷上水、積灰及磨損等問題的基礎上,通過加強省煤器的密封、勤上水、採用鰭片管省煤器等措施解決省煤器在運行中的問題,使省煤器在實際運行中達到設計效果,節約燃料。The status and prospect of chinese coal analysis instruments industry
我國煤質分析儀器行業的現狀及展望This essay expounds the connection amany person 、 machine and environment in the person - machine - environment system, analyzes the effect that coal mine environment factors in the bit produces to person, and formulates the effect it produces on the system
闡述在人?機?環境系統中人、機器與環境因素三者之間的關系,分析煤礦井下高溫環境因素對人產生的影響,得出人體生理所需的適宜溫度及人體的可耐限度並用公式說明環境因素對生產系統產生的影響。The system was provided with a fast pc - based data system with an easy - to - use user interface, and had many advantages such as convenient for operation, quickly, timely, non - destructiveness for multi - index measured in the same time, and offered a continuous operation
該系統具有快速處理數據的計算機系統和友好的用戶操作界面,具有操作簡便、快速、及時、非破壞性、多指標同時測定等優點,並且是能夠連續運行的、高穩定性的煤質在線檢測分析儀器。分享友人