结垢

稠油热采锅炉结垢物的X射线衍射分析

X-ray Diffraction Analysis on the Thick Oil Hotly Picks of the Boiler Scaling

本研究通过对垢样进行X射线衍射分析，发现该油区结垢的主要类型为含镁方解石的无机盐垢。

In this paper , the main types of scaling is inorganic scale including magnesian calcite with XRD analysis .

溶液pH值对碳酸钙结垢的影响

A experimental study of influence of pH on calcium carbonate crystallization fouling

石灰湿法脱硫过程中pH条件对结垢的影响研究

Study on effects of pH value on scale formation in wet FGD process with lime

投加聚磷酸盐防止循环水结垢应控制的pH值范围

The Range of pH value in Adding Polyphosphate to Prevent Scale Forming in Circulating Water

应除去CO2，并使含油污水呈微酸性，可抑制结垢的形成。

It can prohibit the fouling by making the oily wastewater in presence of acidic property and CO_2 removal .

EH涂料防止水力输灰管道结垢的试验研究

Experimental study on preventing scale in dust-water pipeline with eh-paint

静态试验研究表明，采用Mc尼龙人工合成新材料可以防止冲灰水的结垢现象。

Scale can be presented by adopting the Mc synthetic material from the static test .

DG－300／100－Ⅰ高压锅炉结垢与腐蚀研究

Study on Deposit and corrosion of Type DG-300 / 100 - ⅰ High-pressure Boiler

耐磨损、不结垢：PP管及管件内壁均匀光滑，流动阻力小并且不结垢。

Wear-resistant , non-fouling : PP pipes and fittings inwall are uniform and smooth , flow resistance is small and does not scale .

油田水CaCO3结垢反应的计算与应用

Calculation and application of deposition and dissolution equilibrium of caco_3 in Oilfield waters

循环冷却水水质的好坏直接影响着系统的结垢、腐蚀和微生物的滋生等，其中，循环冷却水的总碱度和pH值是衡量水质标准的两项重要指标。

Water quality of cooling water affects directly scaling , corroding and microbes multiplying etc. , among them , total alkalinity and pH of cooling water are two important indices judging water quality .

与此同时，由于强碱的使用，出现了高PH值下多价离子的沉淀、岩石矿物的溶蚀等现象，各个试验区都出现了不同程度的结垢现象。

At the same time , phenomenon of sediment of ions in high PH and dissolving capacity of rock are also appears , different level scale phenomenon is arisen in every experiment area .

从发生机理、影响因素、监测和防治等方面介绍了当前CO2吞吐中发生的腐蚀、结垢、沥青沉淀等问题的研究进展。

This paper introduces current research progress on corrosion , scaling and asphalt deposition caused by CO2 flooding in aspects of mechanism , influence factor , monitoring and controlling .

以亚硫酸盐废液为物料，研究了蒸发器中流速、加热表面温度、溶液温度、固体含量、硫酸盐添加量及溶液的pH值等操作变量对结垢速率的影响。

The effects of possible operating variable such as flow rate , surface temperature , bulk temperature , solids contents , sulfate addition and pH on the fouling of sulfite spent evaporators were studied .

结合传质的特点，将反应器内研究混合情况的停留时间分布（RTD）概念引入流道抗结垢研究中，介绍了贝克列准数Pe的物理含义。

The concept of Resident Time Distribution ( RTD ) studied in the reactor for mixing is introduced into the research of channel fouling study integrating mass transfer characteristic .

反渗透膜处理工业废水工艺中CaSO4结垢问题研究

Study on CaSO_4 scaling in reverse osmosis membrane processing of industrial waste water treatment

然而闭路运行后，由于Ca2+高，PH值高，灰水反复利用，使得水力除灰系统结垢加重，会影响火电厂的正常生产。

Whereas this recycling operation system would have the serious depositing in ash-water recycling system caused by the recycling use of the high PH carrier water contained more Ca2 + , which will influence the normal operation of the power plant .

结垢原因主要为采油过程的CO2分压降低、合层开采井不相容产出水的混合以及采出液加热破乳或加热输送导致的温度升高等；

The causes are the decrease of CO2 partial pressure during oil produc - tion , the mixture of two types of incompatible produced water in commingled production well , the increase of tem - perature by heating for demulsification or transportation of produced fluid .

正确处理湿式石灰/石灰石烟气脱硫（FGD）过程的石膏结垢、设备腐蚀等问题，是保证FGD系统长期稳定可靠运行的关键。

Proper treatment of the problems of gypsum scaling and equipment corrosion etc. in wet lime / limestone flue gas ( desulfurization ) process is the key to gain long operation time and adequate system performance .

应用结果表明，部分水解聚丙烯酰胺可以有效地去除转炉除尘水中的悬浮物，HEDP可以有效地减缓该系统的结垢和腐蚀。

The results show that partly hydrolyzed polyacrylamide can remove dust in converter dust-control water effectively and the scaling and corrosion could be detained by HEDP dosage .

针对中原油田采出井结垢严重的问题，在实验室中以马来酸酐（MAA）、不饱和酯（CEA）和烯丙基磺酸钠（ASS）为原料，制得防垢剂MAP。

To resolve the problem of serious scale in production well of Zhongyuan Oilfield , the scale inhibitor was prepared from maleic anhydride ( MAA ) , unsaturated ester ( CEA ) , and sodium allylsulfonate ( ASS ) .

CEG技术能快速、准确地反映水质结垢能力，是一种简便、高效的开发新型化学阻垢药剂的研究手段。

CEG can reflect the scaling ability quickly and correctly and is a simple , highly effective measure to develop new chemical scale-inhibitor .

地下水基本没有悬浮物，污染指数SDI低，比较适宜做反渗透的水源，但硬度高，容易引起反渗透膜结垢，故地下水反渗透除盐，预处理的重点是防止膜表面结垢。

The groundwater has a little suspended particles and low SDI . It is suitable for the waterhead of reverse osmosis . The groundwater has high hardness , and it easily brings the membrane scaling .

由于地热井井下结垢使地热井热水流量减少，最大出力为800kW。

Its maximum output is 800 kW due to reduction of the hot water flow caused by scaling in the underground well .

本文介绍一种根据水质pHs值及相应的饱和指数、稳定指数而建立的pH－pHs模型，依照该模型将水质区分为腐蚀型、结垢型及稳定型水质。

A pH-pHs diagram be on the pHs values and saturation and stability indexes of water samples has been created for predicting water corrosivity and scaliness . A water is refered to as corrosive , scaling or stable one according to the region it appears on the diagram .

对原有氯气干燥系统进行了改造，使氯气含水和硫酸消耗降低，液氯质量提高，减少了系统腐蚀、结垢和堵塞现象。药材中六六六、DDT、五氯硝基苯的含量不得超过千万分之一；

The old chlorine gas drying system had been modified . Water content in chlorine gas and sulfuric acid consumption were decreased , and the quality of liquid chlorine was improved , while corrosion , scale deposition and blockage occurring in the system were reduced .

应用动电位法研究了碳钢在不同结垢指数（P.S.I）的碳酸氢钙溶液中的腐蚀行为，以及Cl-对碳钢腐蚀行为的影响。

The corrosion behavior of carbon steel and the effect of Cl ~ - in different P.S. I. ( Puckorius scale index ) solutions were studied by electrochemical method .

提出了沉积-自由移去的结垢机制，并用湍流猝发理论结合Hasson的离子扩散模型，导出了碳酸钙结垢速率的数学模型，模型预测速率同实验数据吻合较好。

A deposition-free removal mechanism of scaling was proposed and a mathematical model based on turbulent burst theory was derived with the combination of Hasson 's ionic diffusion model and the rate of scaling predicted with the model agreed well with the experimental data .

通过提高水稳药剂的阻垢分散性能来降低水冷器的结垢速率。

The fouling rate decreases after improving dispersion efficiency of stabilizer .