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1)  grit-removal basin
除砂池
2)  small pit
配浆除砂池
3)  desanding [di:'sændiŋ]
除砂
1.
Red mud cyclone in the Bayer process-desanding process with screw classifier, solely adopted by Shanxi Branch of Aluminum Corporation of China Limited, has simple process, desands the big size coarse particles in the red mud, and plays an important role in stabilizing the operation of settlers and red mud filters.
中铝山西分公司独家采用的拜耳法赤泥旋流器—螺旋分级机除砂工艺,工艺简单,除去了赤泥中的大颗粒粗砂,对沉降槽、赤泥过滤机的稳定运行起到了重要作用。
2.
Based on papers review and industry survey, we selected hydrocy-clone for desanding, and then the corresponding device was set up in Institute of Mechanics.
在实验中,进行了纯油-砂分离、不同比例的油-水-砂分离实验,总结了几个方面的影响因素,选择了一种合理的除砂方法,在胜利油田、华北油田进行了工业现场应用实验,取得了良好结果。
3.
By summarizing the relational references, proceeding the patent retrieval and the domestic on-site investigation, centrifugal separation technique is adopted for wellhead desanding on the liquid-solid separation.
通过有关文献总结、专利调研和国内现场考察,在液固分离方面选用离心分离方法,用于井口除砂;在气液分离方面研制集重力、离心、膨胀于一体的复合式分离器,以达到高效快速分离的目的;尚有油水精细分离的研究,既可提高输送效率也可用于特殊输送工艺。
4)  riffling [英]['rifl]  [美]['rɪfḷ]
沉砂,除砂
5)  sand filter
砂滤池
1.
Pilot scale study of permanganate composite chemical preoxidation and granular activated carbon-sand filter technique for treating eutrophic raw water;
高锰酸盐预氧化与活性炭—砂滤池联用处理富营养化水体中试研究
2.
In the paper,through the experimental study on the system of O3-BAC,we discover that sand filter has the stronger biological effect.
文章通过“臭氧-生物活性炭”中试研究发现,由于预臭氧的充氧和跌水作用,砂滤池有着很强的生物作用,对氨氮,亚硝酸盐氮和有机物有着良好的去除效果。
3.
The amount and size distribution of particles in the effluent from a sand filter or from activated carbon filtration in a drinking water treatment plant were investigated.
结合水厂实际水处理工艺及活性炭深度处理装置,试验研究砂滤池和活性炭滤柱出水中颗粒物数量变化及粒径分布规律。
6)  grit chamber
沉砂池
1.
By means of analysis on the variation of relative density of settleable solids in the wastewater passing in and out of the grit chamber,the grit removal effect of grit chamber can be evaluated objectively.
通过分析沉砂池前后水体中可沉固体物质相对密度的变化情况,可以客观地评价沉砂池的除砂效果。
2.
After years of usage, there exist many problems in intake, grit chamber in beach, lift pump station and open channels, and directly affect the raw water quality and flow rate of Shiyuan Waterworks.
邙山干渠是综合性输水系统,经过多年运行使用,其取水口、滩区沉砂池、提升泵站、明渠等均存在不少问题,直接影响了柿园水厂的原水水质和水量,故亟需进行改造。
3.
Aim at the running problems of grit chamber in several years application, the causations were analyzed.
针对沉砂池近几年实际运行出现的问题,分析研究了问题产生的原因,并提出了改进方法。
补充资料:除砂器
分子式:
CAS号:

性质:从水或废水水流中分离出杂粒的装置。杂粒包括砂粒、石子、煤渣或其他一些重的固体构成的渣滓,其沉降速度和密度远大于水中易于腐烂的有机物。设置除砂器还可保护机械设备免遭磨损,减少重物在管线、沟槽内沉积,并减少由于杂粒大量积累在消化池内所需的清理次数。通用的除砂装置有两种型式,即平流式沉砂池和曝气沉砂池。

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