過熱降低器 的英文怎麼說
中文拼音 [guòrèjiàngdīqì]
過熱降低器
英文
desuperheater- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 降 : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 降低 : reduce; cut down; abate; debase; drop; lower; lessening; reducing; reduction; depression; tarnish
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Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。In the end, the mechanism of explosive accidents of lpg vessel under high temperature is analyzed. the major inducements of lpg vessel under high temperature are as follows : 1 ) sudden falling of pressure on valve opening ; 2 ) material strength falling of vessel wall, which is caused by high temperature of vessel wall ; 3 ) thermal stress that is caused by non - uniform temperature of vessel wall
武漢理工大學碩士學位論文? ?論文最後分析了高溫環境下液化氣容器爆炸的事故機理,即高溫環境下液化氣容器爆炸的主要誘因為: 1 )閥門打開時的壓力驟降; 2 )容器壁溫度過高,導致容器壁的材料強度降低; 3 )容器壁的溫度不均勻引起的熱應力。At the same time, low - temperature superheater keeps on running under the high temperature for long time, microstructure appears globular carbide configuration, and bearing capacity of materials at high temperature declines
同時,低溫過熱器長期高溫運行,組織已出現珠光體球化現象,管材高溫承載能力降低。The reform scheme of no. 1 boiler in fengtai company is confirmed on the basis of cold / hot tests, theoretical discussions and calculations. in the process of field retrofit, it is indicated in the operation of the improved furnace that without the change of furnace structure, the transform of the burner angle has shrunk the tangential diameter and prevented flames burning on furnace walls, and the burning state of furnace has been bettered, simultaneously, lowering the slagging wi in furnace, thus laying sol id foundation for the safe and economic operation of generating units. wuyanrong ( power plant thermal power engineering ) directed by prof
本論文通過冷、熱態試驗,經過論證和計算,確定了豐泰公司~ # 1爐燃燒器的改造方案,並進行了現場改造,改造后實際運行狀況表明:在無法改變爐膛結構的情況下,改變燃燒器角度,縮小切圓直徑,使火焰不貼壁,改善了爐內燃燒工況,同時降低了鍋爐結渣的程度,為機組的安全經濟運行奠定了必要的技術基礎。The electron gun and coil inside the display will produce temperature, therefore are ventilate holes to dispel the heat on left and right sides and the above of the chassis. please try to prevent the dust from invading. too many dusts will cover electronic part and influence the heat dissipation, which will reduce the life - time of the spare parts
顯示器因電子槍及線圈連續運作而會產生溫度,所以在機殼的左右及上面都會有透氣孔散熱,應盡量避免灰塵侵入,因為過多的灰塵覆蓋在電子零件上,會影響散熱效果,降低零組件的壽命。It is proposed that the higher dose condition creates more hot carriers but the lower sensitivity to hot carrier effect. therefore, the optimum dose for reliability is determined from the trade - off between the above two aspects. finally, a simple model is proposed and discussed
本文還深入研究了sde區摻雜濃度對器件熱載流子可靠性的影響,指出濃度的提高雖然會產生更多的熱載流子,但由於其對熱載流子損傷的敏感度降低,因此將存在一種折衷,最後通過一個簡單的寄生電阻模型,對摻雜濃度提高后,器件對熱載流子損傷敏感度降低的現象做出了很好的解釋。After appropriate reform measures were taken, the slagging and gas temperature deviation problemes have been completely solved. the boiler efficiency was raised by 2 percentage points and the boiler ' s safety and economics effect got improved
鍋爐經本次改造解決了爐膛出口煙溫偏高的問題,實現了鍋爐在130t h的額定工況下低溫段過熱器前煙溫由大修前的936下降到825的預期效果,並提高爐效2個百分點,使鍋爐運行的經濟性和安全可靠性得到改善和提高。After absorbing heat, the temperature rises to rated value and is let out at hot - blast mouth. when the hot - blast temperature reaches to the rated upper limit, the burner will stop to work automatically or turn to small fire. when the hot wind temperature reaches to the rated lower limit, the burner will kindle again or turn to big fire
需加熱的空氣通過選配的鼓風機強行送入熱風爐、吸熱后溫度升至額定值從熱風出口送出、當熱風溫度達到額定的上限溫度時,燃燒器會自動停止燃燒或自動轉為小火陷燃燒,當熱風溫度降低到額定的下限溫度時,燃燒器又會重新點燃運行或轉為大火燃燒,升溫的速度可調進風閥來實現。The experimental results showed that : in the summer operating mode, the refrigerating capacity and coefficient of performance of the system decreased with the increase of the temperature difference between supply and return ground - water and the water supply temperature ; in the winter operating mode, the refrigerating capacity and coefficient of performance of the system increased with the decrease of the temperature difference between supply and return ground - water and the increase of the water supply temperature. it also showed that, change the are of heat exchanger has great influence of refrigeration system
本課題通過實驗測試井水進口溫度、進出口溫差以及在不同溫差下換熱器面積匹配對系統性能的影響。實驗結果表明,夏季工況下,隨著井水進口溫度的升高,進出口溫差的增大,系統製冷量減小,機組cop降低,系統運行性能惡化。冬季工況下,隨著井水進口溫度的升高,進出口溫差的減小,系統的制熱量增加,機組cop提高,系統運行性能優化。Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics
電子封裝器件在生產的工藝過程中,往往會產生熱殘余應力以及焊接殘余應力,殘余應力的釋放作用及器件在使用過程中的熱變形,會降低集成電路晶元與封裝體的結合強度,進而降低集成電路的電性能,反復的熱循環,將導致器件的熱疲勞失效,嚴重時可導致矽片或陶瓷片破裂,使整個器件遭到破壞。In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam
以前的表面熱透鏡裝置中,多使用高斯光束作為激勵光,但由於高功率激光器一般為多模輸出,要獲得嚴格的基模高斯光束比較困難,而平頂光束可以通過在激光器前加一定大小的光闌實現,降低了對激光光束質量的要求,更有利於實際的測量。Starting from the frozen food and refrigeration principles and using comparative analysis method, we get conclusions that in the blow - frozen device, the open - mode, cold - quantity reclaim, low - press, direct - cooling air, absorbing - heat air cycle have the most significant reductions in food freeze dry cost, food hygiene, devices delicate, organizating air stream, non - electrical heat, high efficiency and safe refrigeration etc. the cold - cumulating and dryness tin is the equipment which applys the store - release characteristic of cold - cumulating stuff, ensures the higher efficiency of open - mode cold - quantity reclaim low - press direct - cooling air, shoulders conveyance of the saturated and frozen air to frozen storeroom to reduce dry cost of food and dry the cycling air to ensure safe and reliable
從食品冷凍和製冷原理入手,用對比分析方式得到了在吹風式凍結裝置中,開式回冷低壓直接冷卻吸熱循環空氣製冷機具有最大幅度降低食品凍結乾耗、確保食品冷凍安全、系統簡單、凍結庫小巧、氣流易於組織、無電機熱量、效率較高和製冷安全等結論。蓄冷乾燥器是通過蓄冷材料的蓄?釋冷特性,來保證開式回冷低壓直接冷卻吸熱循環空氣製冷機具有較高的效率,同時蓄冷乾燥器還擔負著輸送飽和低溫空氣至凍結庫以降低食品凍結乾耗和乾燥循環空氣以確保整機安全可靠工作的主要設備。The one of the loss of effectiveness is the friction piece ' s bum of the clutch, there fore, in the designing of priority, the clutch ' s with of friction power is smaller than the permitted value in the reduction of the starting the truck, and it also increases the permitted condition of decreasing cloth ' s friction hot volume
選擇出摩擦片最佳參數,並保證離合器的機械性能是摩擦片參數優化的目標,本課題中由於失效形式之一是離合器摩擦片燒傷。因此,在優化設計中除保留減少汽車起步過程中離合器的單位面積滑磨功小於其許用值的約束條件外,還增加了降低離合器的滑磨熱容量的約束條件。The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly, based on the normal energy balance and theory of equivalent heat drop, aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry
摘要以常規熱平衡方法和等效熱降理論為基礎,針對二次再熱超臨界機組熱力系統高低壓加熱器均設置外置式蒸汽冷卻器的特點,經過嚴格的數學推導,將等效熱降理論應用於二次再熱超臨界機組熱力系統循環吸熱量計算的研究,並提出了適用於不同類型凝汽式機組的通用數學計算模型。Reburning technology is a valid method. this paper focuses on nox - emission problem of traditional units with hot air transferring pulverized coal. the main technical route of this paper is to use the pulverized coal contained within tertiary air to reduce the nox emission as the reburning fuel
本文主要是針對傳統的缺少有效降低no _ x方法的熱風送粉機組進行研究,通過對制粉系統和燃燒器的改造與調整,利用三次風中的含粉作為再燃燃料送入爐膛,實施再燃燒以降低no _ x的排放。The article also narrates operational process of work evaluation in dfr. it not only uses the method of general evaluation, but also considers the requirements of reducing manpower and cost
文章重點講述了散熱器廠工作評價的操作過程,方法採用了常規評價方法的優點,同時又考慮了減少人力、降低成本的要求。The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
建立了空氣冷卻實驗臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實驗的壓力范圍內,降低了9 . 5 % ;不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
文摘:建立了空氣冷卻實驗臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實驗的壓力范圍內,降低了9 . 5 % ;不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制With the voltage reduced by half, not only the static power consumption but also the requirement of the heat radiator are lowered accordingly, and the danger of the transistor broken down due to over - voltage is also reduced
電壓降低一半,不僅減少了靜態功耗,也降低了散熱器的使用要求和晶體管因過壓而造成擊穿損壞的危險。This paper introduced an electric temperature regulator, which can take place of the wdf pressure - type temperature regulator used in the common double - door fridge. the new electric temperature regulator not only has the same temperature characteristics as that of the pressure - type regulator, but also is easy to change the characteristics, according to the requirements of the fridge works. so it greatly quickens the process of production and reduces the produce cost. the electric temperature regulator can also defrost semi - automatically
以市場上最常見的雙門電冰箱為例,設計出了一種可完全取代雙門電冰箱使用的wdf系列壓力式溫控器的電子溫控器,不僅在溫度特性上與壓力式溫控器相同,而且根據冰箱廠家的要求可以很容易地改變溫度特性,省去了壓力式溫控器因改變溫度特性而需要組織生產新零件的程序,加快了新產品配套過程,並降低了生產成本.該電子溫控器同時具有半自動除霜功能,根據需要,可手動啟動除霜加熱器,到達設定溫度時,自動停止除霜分享友人