结垢

It can exist in alkali or high-condensed condition without furring.

可在碱性和高浓缩倍数下运行而不结垢。

Equipped with sterilization water circulation system to prevent furring in heat exchanger.

设备自身用作杀菌循环，防止换热器结垢。

The results show that the failure of gate valve is caused by electrochemical corrosion and scaling because of the w.

结果表明，该批闸阀的失效是由于材质不符合设计要求、环境介质的电化学腐蚀和结垢引起的。

And the definition and the calculation methods of inevitable energy loss of sewage heat exchanger are developed.

结垢是污水换热器的典型特征，污垢的热阻较大是污水换热器必须面临的难题。

According to the problems appeared in the sets of FGD, such as the pressure's instability in the boiler and special erosion, incrustation, abrasion, and jam in FGD set itself, the paper analyzed causation of the problems and made the operation and maintenance rules.

针对实际运行中出现的问题如：锅炉炉膛负压不稳定因素增加以及FGD装置本身特有的腐蚀、结垢、磨损以及堵塞等，分析其产生的原因并制定相应的运行、维护规程以指导今后的工作。

To adopt the chemical cleaning method to clean the fouling and corrosion of inner side of the tube.

采用化学清洗方法对管束内壁的结垢及腐蚀产物进行清洗，提高了设备的换热效果，避免了金属表面的腐蚀，保证了装置的安全运行。

PA, PA-11, PA-12 nylon hose has smooth intine, with fluent liquid flow and without stain and fouling.

PA 、 PA-11 、 PA-12 尼龙管的内壁光滑、液体流畅、无生锈、无结垢现象。

But because of their tubular product defect, easy to produce and corrode, get rusty, marry dirt, leaks and all disadvantage of filling etc.s in using because of zinc-plated steel tube, Thus cause serious two pollution to water quality, microcosmic show as water sample large intestine liver fungus and total amount of bacteria exceed standard seriously, The phenomena, such as" yellow water"," black water"," red water",etc. appear on the macroscopic, water quality worsens; Because corrosion seepage has destroyed users inhabitting and working environment on the other hand, Interfere normal life , influence life quality of people , cause water resource enormous to waste, This require one new-type green one substitute products of environmental protection appear urgently.

但由于镀锌钢管因其管材自身的缺陷，在使用中易产生腐蚀、生锈、结垢、泄漏及诸塞等弊病，从而对水质造成严重的二次污染，微观上表现为水样大肠肝菌及细菌总数严重超标，宏观上出现"黄水"、"黑水"、"红水"等现象，水质恶化；另一方面因锈蚀渗漏破坏了用户的居住及工作环境，干扰正常生活，影响人们的生活质量，并导致水资源的巨大浪费，这就迫切要求一种新型的绿色环保的替代产品出现。

Then the threshold of the magnetic induction intensity is proposed.

结果表明，水的硬度在小于700 mg/L的范围内，不同的管径对应的结垢磁感应强度阈值相近。

This paper presents one quick monitoring technology (Chronoelectrogravimetry monitoring technique) of water scaling power which combines quartz crystal microbalance technology with three electrodes electrochemical technology. The sensitivity and repeatability of the method, the relation with the RSI scaling index and the influential effects of this method are studied in this paper.

本文建立了一套采用石英微天平技术及三电极电化学技术相结合的快速测定水质结垢能力的装置，并且对这一方法的灵敏度、重现性、与雷氏指数的相关关系及其影响因素进行深入研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐