two-speed fan 中文意思是什麼
two-speed fan
解釋
雙速風機-
Test study of two - speed contra - rotating auxiliary fan
雙速對旋式局部通風機的試驗研究 -
An engineer case is introduced, which is about " the reconstruction of high voltage fan ' s speed - adjusting by frequency conversion and the design of plc ( programmable logic controller ) control system in shui cheng iron and steel company ". in this project, an advanced controlling technology, based on the method in this paper, is used to realize the closed loop control of discharge header pressure of two coke ovens
介紹「水鋼煤焦化公司鼓風機高壓變頻調速及系統plc控制改造」的工程概況，對煤氣鼓風機採用先進的變頻調速技術和計算機控制技術進行改造，實現對兩座焦爐集氣管壓力自動調節的閉環控制功能，既滿足了煤氣量的自動調節的要求，又避免了煤氣鼓風機出口閥門的節流調節，節能效果相當可觀。 -
Through the experimental analysis of the single factor, the influence of the rotation speed of the two kinds cross - flow fan and the forward speed was find on grain losses of the unit, finally the optimum combination of the forward speed and the rotation speed was got
通過單因素的實驗分析，找出在橫流風機不同風機轉速，不同的行車速度下摘脫裝置落粒損失的變化規律，並確定了最佳的裝置參數組合。 -
With regard to centralized flow regulation, regulating by changing the power has been people ' s common sense and technical current, it mainly includes change the speed of pump and fan, changing their running number and the combine of the two
對于系統流量的集中調節，採用改變動力的方式已成為人們的共識和技術潮流。改變動力的調節主要有改變泵/風機的轉速、改變泵/風機聯合運行的臺數以及二者的結合。 -
To reduce parasitic power consumption, some systems use the low speed of a two - speed fan
為了減少寄生能量消耗，一些系統運用雙速風扇的低速。 -
In this paper, two 50t / h coal - fired boilers " burning control system of 26 # heating station was studied as its thesis, the primary pid controller was improved as its purpose, fuzzy control theory developed rapidly at present was applied as its means. the design scheme is that controlling transducers change rotate speed of supplying coal electromotor, fan, and blower using 8051 micro - controller. it realized computer control of burning process
本文以26 ~ #供熱站的2臺50t / h燃煤鍋爐的燃燒控制為課題，以改進原有pid控制為目的，以當前發展比較迅速的模糊控制理論為手段，提出了採用8051單片機控制變頻器改變給煤機、引風機和送風機轉速的設計方案，實現了燃燒過程的計算機控制。 -
( 1 ) in view of the selected coal contents, the paper determines pulverizer styles, and then shows two potential coal powder plans : dual inlet dual outlet pulverizer with plus pressure primary fan and direct air supply, middle speed pulverizer with plus pressure primary fan and direct air supply
（ 1 ）通過煤質成分析確定出磨煤機的選型，在此基礎上得出兩種制粉系統擬定方案：雙進雙出鋼球磨煤機正壓冷一次風機直吹式制粉系統和中速磨煤機正壓冷一次風機直吹式制粉系統。
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