粗滤

结果表明，酚类物质和抗氧化能力的损失主要集中在烫漂、榨汁粗滤和UHT处理单元。

The loss of phenolics and antioxidant activity mainly focused on blanching , sterilization and squeeze .

内燃机进气粗滤器的试验研究

Test and Research of Intake Pre-fillter in Internal Combustion Engine

粗滤器滤芯是否堵塞。

If the elements of rough filter are stuck .

为所有的粗滤器增设排污阀。

Add drain valves to all strainers .

上向流粗滤工艺实验与计算机模拟

Computer simulation of upflow rough filtration

粗滤慢滤组合型乡村净水工艺研究

A study on countryside water supply with combined process of roughing filtration and slow sand filtration

尝试采用上向流粗滤，作为慢滤池的预处理。

This study tries to use upflow rough filtration as the pretreatment for slow sand filtration .

增设接至粗滤器的阀门。

Add valves to the strainers .

粗滤慢滤组合净水工艺适用于乡村小水厂。

Rough filtration and slow sand filtration is suitable for water purification of water plant in rural area .

钛棒过滤器使用钛粉末结滤志，用于粗滤或中间过滤。

Titanium stick filter uses titanium powder frit filter element , is used in the roughing filtering and intermediate filtering .

所有与泵相连的管线彻底冲洗后，连续两次检查没有发现垃圾碎块后，拆掉临时的吸入粗滤器。（请指正）

After all lines available to the pump have been thoroughly flushed , remove the temporary suction strainer after finding no debris on two successive examinations .

粗滤和慢滤两种工艺组合对农村小型水厂建设具有推广价值，原水经过处理、消毒后可作为饮用水。

Combined with coarse filter and slow filter is viable for small water plants in rural areas , as source water is drinkable after treated and disinfected .

试验证明，该粗滤器具有过滤效率高，进气阻力低，粗滤自动排尘，结构简单，安装方便，成本低的优点。

The test results show the filter has advantages of high filtering efficiency , low intake resistance , automatic dusting , simple structure , convenient installation and low costing .

随着慢滤技术的改进与发展，预处理技术如粗滤、预臭氧处理等使得慢滤可适合处理不同的水源水，而且可去除更多的污染物。

With the reform and development of slow filtering techniques , pre processing techniques , such as coarse filtering , pre ozone processing , have made it possible to use slow filtering techniques for treatment of water from different sources , and for removal of large quantities of pollutants .

多级粗滤料滤床&慢滤综合净水工艺研究

Research on Multi grading Coarse Filter Bed & Comprehensive Clarification Technology with Slow Filtration

为了寻找一种工艺简单、设备耐用、操作管理方便的净水工艺，对多级粗滤料滤床慢滤综合净水工艺进行了试验研究。

In order to find a clarification technology , which is simple in technique , convenient in operation and management , and has durable equipments ; a multi grading coarse filter bed , comprehensive clarification technology with slow filtration , is experimentally researched .

待滤水从滤床最粗粒径的滤层进，从最细粒径的滤层出的反粒度过滤能获得高效优质的过滤效果。

Efficient and quality filtration can be obtained by means of reverse size filtration ( also neamed reverse filtration ) in which water to be filtered is injected from the coarse filter of the base and filtered water effluxes from the fine filter at the top of the filter bed .