the CO_2 gas circulation washing device was added between the de-carbon regenerator in ammonia synthesis loop and the separator at the first stage inlet of CO_2 compressor of urea plant,after reformation the pressure difference of de-hydrogen reactor was maintained always at 60~65 kPa within five months,6 months.
分析了脱氢反应器压差不稳和压缩机功耗上升的原因;采取了在合成氨脱碳再生塔和尿素装置CO2压缩机一段入口分离器之间增设CO2气体循环洗涤装置的技改措施,改造后,脱氢反应器的压差在5个月内始终维持在60~65 kPa,6个月后,压差也仅为85 kPa;提出了改进后尚待解决的遗留问题。
Long time operations indicated that degradation efficiency of NH_3-N, NO~-_2-N was 99% and 87% respectively in the recycling filter apparatus, and COD, colour was kept at low level, and DO, pH suitable for the growth of aquatic beings.
利用生物砂和多孔活性材料作为载体与滤料,投入硝化细菌和相容的复合菌群,构成小试规模的循环式过滤装置,模拟自然水体的生态净化系统,观察微污染的景观水中NH3-N,NO-2 -N,有机物,色度等等的去除效果。
With a device of autocycling and sealedly storing the strong glue.
强力胶自动循环装置及密封贮胶装置。
Circulating device is needed in electrochemical etching course.
在电化学刻蚀过程中，需增加循环装置。
Design and Analysis of the Combined Cycle With the Micro Gas Turbine and Organic Rankine Cycle Settings
微型燃气轮机与有机朗肯循环装置组成联合循环的设计与分析
For these reasons, the ready availability of an extracorporeal system is helpful.
为此，配备随时可用的体外循环装置会有帮助。
synthetic apparatus for weld thermal cycle
焊接热循环模拟装置
closed cycle gas turbine installation
闭式循环燃气轮机装置
complex cycle gas turbine plant
复式循环燃气轮机装置
recirculating sewage treatment plant
循环式污水处理装置
open cycle gas turbine installatio
开式循环燃气轮机装置
A device that regulates the flow or circulation of air.
调节气流的装置调节空气流动或循环的装置
Be responsible for executing the cyclic examination flow for key unit in plant.
负责执行装置关键机组循环检查流程。
The Technique and Equipment of Quick-Speed Circulation Rinsing to Hydrulic Pressure Steel Piping;
液压钢管的快速循环冲洗技术及装置
Economics of Cyclic-water Installation and Its Social Benefit;
也论循环水装置的经济性和社会效益
Structure reformation of circulation pump within stripping tower in PTA plant
PTA装置汽提塔循环泵结构的改造
Application of Exhaust Gas Cycling Technique in Maleic Anhydride Device
尾气循环技术在国内顺酐装置的应用
Recirculated system of biomass pyrolysis liquefaction plant
生物质热解液化装置尾气的循环利用
The Corrosion and Protection Research of Circulating Water Heat-exchanger in Chemical Installment;
化工装置中循环水换热器的腐蚀与防护研究
Technical Study on Dryer System of ABS Plant Revamping into Nitrogen Circulation;
ABS装置干燥系统改为氮气循环的工艺研究