sand filter

with the bcop, pollutants removal effects of subsequent sedimentation tank and rapid sand filter could be improved.

增加生物接触氧化预处理工艺，显著提高了后续混凝沉淀池和砂滤池的除污染效果。

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innovation on siphonal sand filter

虹吸式砂滤器的改造

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study on organic matter removal in micro-polluted source water by biological sand filter

生物砂滤池去除微污染源水中有机物的试验研究

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a proper, slow, sand filter works in two ways.

适当、缓慢的沙子过滤通常在两天内发挥作用。

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Based on irrigator blocking problem for micro-irrigation, lamination sand filter was studied and designed by analyzing the existing sand filters.

针对微灌工程中灌水器堵塞的问题，在分析现有砂过滤器基础上，研究设计了叠片式砂过滤器。

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operating weight may be as little as 10% of a similar sized sand filter

操作重量仅为同等尺寸砂滤器的10%。

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The structure of the filter is optimized at last. 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。

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research on optimization of operating parameters for rapid sand filter with air-water backwashing

快滤池气水反冲洗最佳运行参数研究

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This thesis deals with the stress-strain behavior of sand-bentonite mixture, which consists of filter cake.

本论文研究的对象是砂 - 膨润土混合物的应力 - 应变关系.

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Study on the Layer of Inoculated Quartz Sand Filter Removing Iron and Manganese in Experiment

石英砂除铁除锰滤层的接种试验研究

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Advanced treatment of secondary effluent of city sewage disposal plant was conducted for water reclamation at Beijing, with a process of sand filter, pre-ozonation followed by biological activated carbon filter in pilot scale.

采用砂滤-臭氧-生物活性炭工艺在北京市某污水处理厂开展了以污水再生回用为目的的城市污水深度处理中试研究。

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Sand filter was the effective means to prevent embankment from dispersion.

砂反滤是防止土方工程分散破坏的有效措施；

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The experimental results show that the optimum position of PAC dosing is the mixing tank, at this case the turbidity of the floatation outflow increased about 0.4 NTU, and that of the sand filter outflow also increased slightly ( < 0.1 NTU).

结果表明，PAC最佳投加点为混合池，投加PAC使气浮出水浊度提高0.4NTU左右，滤后出水浊度略有升高（<0.1NTU）；

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analysis of average rapid sand filter with air-water backwashing

普通快滤池气水反冲洗分析

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wind-drift sand filter of system

高效流砂过滤器

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Metal sand filter pack is considerable parts in fiber production. It can reuse via recycle.

组件金属砂是长丝生产消耗品,通过对金属砂的回收,可是现金属砂的多次再使用.

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reformation of the backwashing system of rapid sand filter

普通快滤池反冲洗系统的改造

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The sand filtration system was built by a 10m length, 2m width, 2m depth flume with construction of brick and cement. The building was divided into eight sand filter beds, which were packed with three kinds of sands in a cube 1m long.

试验构建一个长约10m、宽2m、高2m的砖混结构渗滤池，渗滤池分隔为8个小渗滤池，选择3种不同的沙分别构建1m3见方的渗滤床。

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We main manufacture: dredger , sand pumping vessel , sand filter , transporter, sand selecting equipment, conveyer belt, etc.

公司主要生产: 挖沙船、抽沙船 、 筛沙机 、 运输船 、 沙石精选设备 、 输送带、磁选机 、 等矿山机械设备.

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Development and Application of Filtering Technique with Porcelain Sand Filter Material

瓷砂滤料过滤工艺的开发应用

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The pond had recycle filter apparatus in which sand was biofield bed and air-pressed was powered.

并且对该鳖池的结构、滤床的熟化、再生、净化能力、应用管理做了初步的研究.

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micron side mount sand filter

侧式过滤沙缸

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Reuse of Sand Filter Backwash Water Using Membranes

使用薄膜再利用沙粒过滤器的回流水

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The manganese removal ability of the sand-filter was closely related to the bacterial content of the filter layer.

结果表明，石英砂滤池除锰能力与砂层细菌含量密切相关；

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Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.

预处理系统一般包括原水泵、加药装置、石英砂过滤器、活性炭过滤器、精密过滤器等。

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The existing problem in operation of siphonal sand filter and innovation were introduced.

介绍了虹吸式砂滤器在运行过程中出现的问题及改造措施.

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