節水閥門 的英文怎麼說
中文拼音 [jiéshuǐfámén]
節水閥門
英文
water-saving valve-
Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖,可以看出利用變頻調速實現恆壓供水,當轉速降低時,流量與轉速成正比,功率以轉速的三次方下降,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。The results showed that the range of target finishing temperature can be provided and kept on in an energy - saving manner with lower frequency of spray nozzle opening if opening reversely but closing forwardly the cooling valve for inter - stand spray during water cooling
對兩種截然不同的機架間噴水冷卻閥門開啟邏輯做了計算分析,結果表明,逆向開啟機架間噴水冷卻閥門,順向關閉閥門,能以較少的噴嘴開啟數達到終軋溫度目標范圍,並且可以節約能耗。Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality
實際飲用水處理系統由於存在復雜性、非線性、時變性,本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點,將模糊控制應用在水處理這一不確定的非線性時變系統,針對不同水溫下臭氧利用率及水質的變化,設計一種基於系統過程狀態的變結構的模糊控制器,以單片機作為主要控制硬體,按查表方式設計軟體,對進水閥門開度進行在線控制,調節臭氧氣體與進水的比例(臭氧流量及濃度不變) ,達到氣水比最優化。Valves and taps water supply in buildings. draw off taps. general technical specifications
建築物水管閥門.節流閥.通用技術規范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。1 the valve and the adjustment device of the boiler steaming - water pipe should be clearly marked, which should indicate the valve name, number, switch direction and working medium flowing direction, and the main regulating valve should have opening indicator
1鍋爐汽水管道的閥門及調整裝置應有明顯標志,標明閥門名稱、編號、開關方向以及工質流動方向,主要調節閥應有開度指示。Presents the configuration of the test bed and completes the pressure diagram experiment of reversed return and direct return piping networks under different hydraulic conditions by regulating valves
摘要介紹了水壓圖教學實驗臺的構成,通過調節閥門進行了不同水力工況下同程式和異程式管網的水壓圖實驗。This valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢。Fcd. 3 138d : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢。Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢,並在接線上採用密封插件,並增加了過濾器和機械式調節流量功能。During unit startup and load is lower than 15 %, drum level is controlled by feedwater control valve, feedwater pump remains at minimum safety speed ; when load is between 15 % and 25 %, feedwater control valve is closing at fixed speed determined by function module, main motor - operated - valve is opened automatically, control mode of drum level is transferred to feedwater pump automatically and bumplessly ; when load is between 25 % and 50 %, control valve is closed fully, and main motor - operated - valve is open fully, drum level is controlled by one pump ; when load is more than 50 %, first pump is kept in operation, second pump is putting into operation automatically and
在機組啟動、沖轉及機組並網至15 %負荷階段,給水泵維持在最低安全轉速下運行,汽包水位由低負荷給水調節閥自動控制; 15 %至25 %負荷階段,給水調節閥由函數模塊按照一定的速率自動平滑關閉,主給水電動門自動打開,汽包水位控制方式自動無擾切換為給水泵自動控制;負荷在25 %至50 %階段時,給水調節閥已完全關閉,主給水電動門已完全打開,水位控制已全由單臺給水泵承擔;負荷大於50 %后,在第一臺給水泵運行的同時,第二臺給水泵自動無擾投入。Building valves - copper alloy stopvalves for potable water supply in buildings - tests and requirements - national complement
建築物閥門.飲用水銅合金節流閥.試驗要求.國家補充件1, the valve is applied to the start and break and regulation of flow rate on the pipes of medias such as water, coal slurry, mine slurry and liquid grinding material with working temperature115
1本閥門適用於工作溫度115公稱壓力1 . 0mpa的水煤漿礦漿液體磨料等介質管路上做啟閉和調節流量用。In the water works control aspect, modifying the valve by the effective algorithm can lighten the pipe ' s pressure in order to resolve the water hammer defensive problem
在水利控制方面,針對工程中需要重點解決的水錘防護問題,採取有效的控制演算法,通過控制閥門開度來調節管道流量,達到減輕管道承受的壓力的目的。Pipes, valves, tubing accessories and fittings distributor serving petrochemical, petroleum refining, pulp and paper, oil country, utilities, coal and general and other industries
-製造安全閥,蝶閥,球閥,截止閥,閘閥,電站閥,柱塞閥,調節閥,水力控制閥及api閥門等。分享友人