该工具能大大提高滤砂管防砂效果，具有较好的使用前景。
It can greatly improve the sand control effects of the sand control screen, so it has a very good application future.
首节及中间各节除砂管内装有滤砂筛，末节除管内装有磁铁。
A filter sand riddle is installed in the head desanding tube and in each desanding tube in the middle, and a magnet is installed in the end desanding tube.
通过新颖的防砂涡卷弹簧可在防砂的同时清洁滤砂通道，防止滤砂通道堵塞。
A new scroll spring is provided for cleaning the sand filtering passage to prevent sand plug.
注水井停注时，地层外吐砂就会被金属毡阻隔在滤砂管周围，达到防砂目的。
The sand coming from the layer is blocked around the sand control pipe when the water injection well is closed, therefore the purpose of control sands can been attained;
滤砂器是根据不同技术标准筛选不同粒度的石英砂、油井水泥、添加剂和水按配比加工压制的。
The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.
本文是针对石英砂的这一缺陷提出了一种新型过滤介质——陶瓷滤料。
To aim at this problem, this paper has proposed a new filtration medium - ceramics filter.
均质石英砂滤料是当前国内水厂过滤技术应用的主要填料之一。
Uniform quartz sand media is one of the main media in present filtration technology application.
分析原因：工艺改造时所选的锰砂有部分粒径不符合要求，导致级配不合理，造成滤层结构部分混乱；
One of reasons for it is that graduation of manganese sand is not rational, which leads to partial confusion of filter layer construction.
比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。
Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
结合石英砂滤床模型试验，研究了石英砂滤床的除酚效果与机理，提出了相关数学模型，并通过工程实例进行了验证。
By the experiment on quartz sand filter, the effect and mechanism of phenol removal were studied. A related mathematical model was presented and demonstrated by a project case.
比较了砂滤和纤维球过滤对浊度、COD、SS和油的去除情况，及其在水头损失、过滤周期和产水量等方面的异同。
The sand filtration is compared with fibre-ball filtration on the removal rate of turbidity, COD and SS, and on the head losses, filtration period and filtrate.
通过在锰砂及石英砂上固定自行分离的纤发菌属细菌，研究了生物固定化锰砂及石英砂滤柱的除铁除锰能力。
Through immobilizing the isolated Leptothrix bacteria on manganese sand and quartz sand, the iron and manganese removal efficiency by the biologically immobilized filtration columns were studied.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换，水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
通过采用絮凝沉淀、ABR反应池、SBR池、砂滤的工艺实现了废水的达标排放。
By Flocculentdeposit ABR -sbr and sand leach, waste water are processed in keeping with the standards.
本文以滏阳河水为水源，对生物砂滤处理微污染原水生产应用问题进行了理论研究。
The production and application problems of biological sand filter in treating micro-polluted water were studied in this paper, using the Fuyang River as source water.
针对长江原水浊度较高的特点，采用了两级高效反应沉淀池、均质石英砂滤料气水反冲洗滤池处理工艺。
Considering the high turbidity of the Yangtze River water, two-stage high efficient reaction and sedimentation tanks, and sand filter with air-water backwashing are employed.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
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。
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.
目的将快滤池的传统滤层改造为均粒石英砂滤层，为的是改善滤池的工作性能，提高产水量。
In order to improve the operating performance of filter tank and propose the high production water volume, the traditional filter media was replaced by homogeneous particle quartz sand.
同时，混凝、絮凝沉淀及砂滤法等化学、物理方法对于去除SBR出水中的COD也是可行的。
At the same time, the chemical and physical methods of coagulation, flocculation, settlement and sand filtering process are also feasible to remover COD in SBR effluent.
采用轻质滤料滤池和砂滤池组成的直接过滤系统就能够克服这些不足。
The application of light media filterer can overcomes these shortcomings, especially when direct filtration process is used in treatment plants.
本文在回顾了滤层保砂性设计的几种方法后，提出了广级配砂砾滤层保砂性的设计计算式。
After reviewing a few design methods of sand gravel filters, a new design method of filter using broad graded materials is proposed in the paper.
流程2砂滤柱对有机物去除效果较差。
Poor organics removal was caused by sand filter in process train 2.
充填效率随携砂液中砾石浓度、滤失量及砾石直径的增加而降低。
The packing efficiency decreases with the increase of gravel concentration in injected liquid, fluid loss to formation and gravel size.
用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
酒基须经过砂滤，同时须经活性炭处理。
Base wine must be treated by sand filtration and managed by active carbon.
在滤料选择方面，重点考虑了陶粒、石英砂、沸石和焦碳，经过优选，最后选定了陶粒作为本项水处理工程的滤料。
Filtering material such as ceramicite, sands, zeolite and coke material were compared and ceramicite was chosen as the filtering material in the project.
结果表明，生物预处理、生物活性炭及常规的混凝沉淀砂滤工艺均使水中的MAP、TP及SRP大大降低；
The result showed that biological pretreatment, biological activated carbon and conventional technology(coagulation, sedimentation and sand-filtration) could remove greatly MAP, TP and SRP in water.
采用生物活性炭滤-砂慢滤工艺对农村饮水处理进行了试验研究。
Biological activated carbon filtration and slow sand filtration are used to study the rural potable water treatment.
实验结果证实了纤维球-砂滤料的优越性。
The experimental results prove the advantage of the media fibre-ball-sand.
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