Uses: widely used in industry and construction, filter sand, filter liquid and gas.
用途：广泛用于工业及建筑业，筛选砂粒，过滤液体及气体。
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.
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。
Rainwater is channelled into sand catchments, which serve both to filter it and to protect it from evaporation.
雨水被导入沙砾储水区，这样有两个好处，一是能够过滤雨水，二是能够减少水的蒸发量。
Placed at the entrance of commercial space is best can divide pad, filter shoes with sand.
商业空间入口处最好能放置除法垫，过滤鞋子所带之砂粒。
She has a bio-sand water filter in her home and is proud to be able to keep her family healthy with safe, potable water.
她在她的家里有一个生物沙水过滤器并且以能饮用安全、适于饮用水保持她的家庭健康而自豪。
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.
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。
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.
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。
Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.
用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。
A metal filter assembly used to support and retain the sand placed during gravel pack operations.
在砾石充填作业期间放置的为支承和挡住砂子所用的由金属制成的过滤装置。
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。
One of reasons for it is that graduation of manganese sand is not rational, which leads to partial confusion of filter layer construction.
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；
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.
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。
Cultivation experiments with sand filter pipe have been carried out to study the effect of different dosage of bentonite on sandy soil fertility.
在沙土上通过沙滤管培养，研究了不同膨润土用量对土壤肥力的影响。
In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains.
在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。
A packed drum filter can be used for sand filtration and is a good way of providing limited quantities of safe water quickly (for example, for a health center).
充满转鼓的过滤器可以用作沙子过滤并且这是一种快速提供有限安全水量的好方法(例如，用于卫生所)。
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.
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。
A new type of uniform dual media anthracite - sand filter is firstly proposed in this paper.
首次提出了新型煤——砂双层均匀滤料滤池。
This paper expounds the adaptibility of coarse sand filter with simultaneous air and water backwash to tertiary filtration plant.
阐述了粗石英砂气水同时冲洗滤池，在污水深度处理中的适用性。
In a vertical filter made up of sand and gravel more than 80 % of the total nitrogen at 50 cm ground depth consists of nitrate, whereas only roughly 10 % consist of ammonium.
垂直过滤系统由沙、卵石组成，在离地面50厘米的区域，氮主要以硝酸盐的形式存在(80 %)，大约只有10%的氮是以铵的形式存在。
The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.
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。
From there it is pumped up to a sand filter in the conservatory.
水箱里的水再由泵抽到温室里的沙子过滤器里。
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.
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。
Using Pearl River source water as raw water, the contaminant removal effect of carbon and sand filter after the biological aerated filter(BAF)pretreatment process was investigated.
以珠江广州段源水为处理对象，考察了曝气生物滤池（BAF）预处理工艺后炭砂滤池的除污效果。
With the structural modification of quartz sand filter in Daqing oil field, and using the suspended sludge filtration in treating oilfield wastewater, the good experimental results are obtained.
对大庆油田石英砂过滤器结构进行改造，并应用悬浮污泥过滤技术对油田污水进行了深度处理，试验取得了良好的处理效果。
USES: widely used in industries and construction, screening sand, filter liquid and gas.
用途：广泛用于工业及建筑业，筛选砂粒，过滤液体及气体。
This article introduces a new type of detergent TS-198, which is specially suitable for processing sand filter material containing graphite and greasy dirt in filter tank.
作者介绍了一种专门适用于处理含石墨及油污的过滤器砂滤料的清洗剂TS— 1 98。
The process includes the waste purification from oil emulsion in Tilted-Plate Separator and the suspension separation in the downward-flow sand-gravel filter.
处理方法包括使用倾斜盘式分离器分离油乳化剂，使用下流式砂砾过滤器分离悬浮颗粒物。
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
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 practice shows that recycled metal sand filter can meet requirements of production and reduce production cost.
经实践证明：回用的金属砂能满足生产要求，降低了生产成本。
The practice shows that recycled metal sand filter can meet requirements of production and reduce production cost.
经实践证明：回用的金属砂能满足生产要求，降低了生产成本。
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