downcomer

美 ['da?n?k?m?] 　英 ['da?n?k?m?]

• na.下水管；落水管；下導(dǎo)管
• 網(wǎng)絡(luò)下降管；降液管；鍋爐降水管

英漢解釋

na.	1. 下水管;落水管;下導(dǎo)管

例句

The gas holdups both in the riser and the downcomer slightly decreased with an increase in superficial liquid velocity.

各級內(nèi)上升管和下降管的氣含率均隨表觀液速的增大而減小，但影響程度較小。

DOWNCOMER BACKUP FLOOD: Downcomer is totally full of froth; liquid backs up on tray.

降液管液泛：降液管被完全充滿，液相回流到塔盤。

DJ series tray with rectangular suspending downcomer has 30%~50% higher liquid capacity than common trays with arch downcomer .

新型高效大通量DJ系列塔板采用矩形懸掛式降液管，液體通量可比一般塔板提高30%~50%。

The top centre downcomer, below Tray 39, looked normal.

塔頂39層之下的中心降液管正常運行。

Influence of Structure Parameters on Local Resistance at the Bottom of Downcomer on the Tray Column Equipped with a Seal Pan

帶受液槽板式塔中降液管底端結(jié)構(gòu)參數(shù)對局部阻力的影響

CFD Study on Fluid Dynamics Characteristics of Downcomer Zone in an Airlift Internal Loop Bioreactor

用CFD研究氣升式內(nèi)環(huán)流生物反應(yīng)器下降管中的流體力學(xué)性質(zhì)

Cold Model Study of Two-Stage Fluidized Bed with Downcomer

外置溢流管型雙層流化床冷模研究

Dumping of the Tray with Suspending Downcomer and its Effect on Mass Transfer Performance

懸掛降液管塔板的沖擊漏液及其對傳質(zhì)效率的影響

Analysis and Countermeasures for the Weld Bead Crack on the Downcomer of Waste Heat Boiler in Sulphuric Acid Plant

硫酸廢熱鍋爐下降管焊縫產(chǎn)生裂紋的原因分析及防治對策

Structure characteristic and application of tray with suspending downcomer

矩形懸掛降液管塔盤的結(jié)構(gòu)特點與工業(yè)應(yīng)用

The Advances of Downcomer Modification, Design and Operation Performance

降液管優(yōu)化設(shè)計及操作性能研究進展

Transient Temperature in Downcomer of RPV during Safety Injection

反應(yīng)堆壓力容器下降環(huán)腔在有安全注入流動時的瞬態(tài)溫度變化

Influence of shape of internal turning angle of downcomer nozzle on strength of boiler drum

下降管管孔內(nèi)轉(zhuǎn)角形狀對汽包強度的影響

Stress Analysis of Downcomer System for Subcritical Boiler

亞臨界鍋爐集中下降管系統(tǒng)的應(yīng)力分析

The advancement of downcomer optimization

降液管結(jié)構(gòu)優(yōu)化進展

Experimental Study on Seal Line of Hanging-Downcomer

懸掛式降液管自液封線的實驗研究

The Comparison of Downcomer Capacity between CTST Plates and Valve Plates for Foaming Systems

CTST和浮閥塔板降液管操作能力比較

Analysis on Leakage of Waster Heat Boiler Downcomer Tube Elbow

余熱鍋爐下降管彎頭穿孔事故分析

Optimal design of the downcomer's structure

降液管結(jié)構(gòu)優(yōu)化設(shè)計

Welding of HP Reducing Pipe with Thick Wall in Downcomer of CFB Boiler

CFB鍋爐降水管厚壁異口徑高壓管道的焊接

CFD simulation of bi-phase flow in segmental downcomer

弓形降液管兩相流動的CFD模擬

Design of Fixture for Jointing Downcomer Hard Pipe of MAZIDA Automobile

馬自達下水硬管焊接夾具的設(shè)計

New technics to repair leaky downcomer

治理下水管滲漏的新工藝