draft fan 中文意思是什麼
draft fan
解釋
抽風機-
The minimum income is the electricity reducing of draft fan and the minimum cost is the electricity cost of sootblower drive. also it is gathered that sootblowing reasonably can bring about several decuple profit compared with the sootblowing cost
其中最小的收益和成本分別是降低引風機電耗和驅動裝置電耗成本，最後得出電站鍋爐合理吹灰可以獲得數十倍利潤。 -
Dealing with over temperature of bearing of high - temperature induced draft fan for electrostatic precipitator
電收塵器高溫引風機軸承超溫的處理 -
This machine can be formed into one integrated used sand cooling unit with combination of automatic temperature checking and damping system of used sand, blower fan, induced - draft fan and watering system
該機與舊砂自動測溫增濕系統及鼓風機引風機加水系統等可構成一個完整理想的舊砂冷卻單元。 -
Aualyses the lowest rating boiler efficiency, the area of heat - supply service and the arrangement of forced draft fan and induced draft fan. the suggestions are advanced
對節能標準中鍋爐最低設計效率，最小供熱面積和鼓引風機的配置進行了分析，並提出了建議。 -
The fan cost index is based on four average - price tickets, two small draft beers, four small soft drinks, four regular - size hot dogs, parking for one car, two game programs and two least - expensive, adult - size adjustable caps
球迷消費指數包括四張平均價格的票價，兩瓶小瓶生啤酒，四瓶小軟飲，四個熱狗，一個臨時停車位，兩個球迷活動，兩頂最便宜的帽子。 -
Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大，運行時風門開度較小（對入口調節器調節）或低轉速運行（調速運行方式） ，風機效率較低的狀況，通過對某電廠送風機改造實例的分析，提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策，對電廠的節能增效有一定的積極作用。 -
The efficiency of prismatic blade equipped on the traditional machine is only 62 %, but the efficiency of the energy saving induced draft fan whose impeller and blade are both stamping is 85 %
傳統磨粉機上配用的直葉片老式風機的效率僅為62 % ，而葉輪與葉片均為模具沖壓成型的節能引風機的效率為85 % 。 -
A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。 -
Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。 -
Since the current air flow measurement method for short and straight sections of large ducts can not meet the accuracy requirement of the engineering project, a feasible and practical measurement method is put forward based on measurement of outlet air flow of the 300 mw boiler draft fan in jiaxing power generation co., ltd
在短直管段大型風道上採用現有的常規測量方法，測量精度很難滿足工程要求，根據嘉興發電有限責任公司對300mw鍋爐送風機出口風量測量方法的研究，提出一種切實可行的測量方法。 -
There is high - efficiency and energy - saving centrifugal induced draft fan
配用高效節能離心引風機。 -
Application of siemens 6se80 type frequency converter on a induced - draft fan
80型變頻器在引風機上的應用 -
Electric arc spraying painting technology for prevention of draft fan ' s impeller
電弧噴塗技術用於電廠風機葉輪防磨保護 -
Somewhat larger electric current of induced draft fan for boiler no. 2 in one power plant has been analysed
摘要對某廠2號鍋爐引風機電機電流偏大問題進行了分析。 -
It is concluded that the primeval design of hv ' ac system decide that the building noise environment is good or bad. as to say how to resolve the six sides problems : machine noise, machine vibration, fan noise, duct noise, draft noise and cross - talk noise
我們認為：建築（使用hvac系統）聲環境的好壞取決于hvac系統初期的設計，也就是如何解決好機械噪聲、機械振動、風機噪聲、管路噪聲、氣流噪聲以及管路交互傳遞噪聲這六方面的問題。
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