管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。
The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.
复杂的管道可采用建立背压的方法进行清管、测径。
Complex pipe can be established by the method of back pressure pigging, caliper.
清管和测径的施工过程完全相同。
清管和测径用的清管器直径通常比管道内径要过盈5%至8%。
Pigging and caliper with clear pig diameter than pipe diameter usually to interference by 5% to 8%.
测径清管器到达收球筒后，拆下清管器上的测径板，若测径板没有明显变形，测径合格。
The pig to receive clear caliper ball after tube, remove the clear the caliper plate pig, if caliper board did not obvious deformation, caliper qualified.
还有要说的就是目前很多海关在清管这块采用新的身份证上传清关方式。
Still have to say is that the current lot of Customs in the Qing Dynasty this piece of the adoption of a new identity card to upload customs clearance.
现场清管作业时清管器经常被卡堵，严重时会影响正常生产。
The pig is blocked frequently when pipeline pigging, which will influence the normal operation due to severe plugging sometimes.
若收球筒内泥沙、焊渣等杂物总体积不超过5升，清管合格。
If the ball within the cylinder sediment, and welding slags sundry total volume in not more than 5 litre, pigging qualified.
皮碗清管器系列；直板清管器系列；刮蜡清管器系列；泡沫清管器系列；屈曲探测器系列等五大系列几十种产品。
Five series of products includes more than ten varieties, including cup pig series, straight plate pig series, paraffin scraper series, foam pig series, flexuosity detector series, etc.
工程技术部还提供阴极保护设计、咨询；管道检测、清管、带压封堵技术咨询、翻译等服务。
Our engineering department provides cathodic protection system design, as well as other technologies such as pipeline pigging, hot tapping and plugging consultation.
确保管子或其它圆柱形工具的内径合适，通过拖动已知外径的圆柱体或管子(清管器)穿行其中。
To guarantee the inside diameter of a pipe or other cylindrical tool by pulling a cylinder or pipe (rabbit) of known outside diameter through it.
混输管路清管操作实验和理论的研究对混输管线的设计及生产管理具有重要意义。
The experimental and theoretic study of pigging operation of mixed transportation pipeline has important signification for the design and management of mixed transportation pipeline.
本文介绍了广东液化天然气输气干线工程应用的清管测径试压技术。
This paper introduced the technology of pigging, diameter measuring & pressure testing for Guangdong LNG trunk-line.
本公司生产的电子定位管道清管设备具有耐磨性能强，通过能力强，清理效果好，定位、跟踪准确等优点。
The advantages of the electronic location equipments of pipeline pigging are of strong wear resistant property and passing ability, well cleaning efficiency, accurate location and tracking, etc.
采用SQG系列清管机消除一段分解加热器列管中垢层，收到了意想不到的效果，具有显著的经济效益和社会效益。
The use of series SQG tube cleaners for the removal of scale in tube array of heater for first stage decomposition gives unexpected results, with remarkable economic and social benefits.
为了确保津京输油管道的经济安全运行，提出了适合目前运行方式的清管方案。
To ensure economic and safe operation of the pipeline, the suitable pigging plan is worked out.
图表示典型的清管器收发设施。
本文所研究的高性能电子清管器及其成套仪器，从机械结构、电路结构等方面进行了周详的设计。
This paper introduces a new high performance pipeline pig and its complete instrument, and illustrates in detail the design in respect of mechanical and circuit structure.
清管器指示器或“清管器发讯器”用来探测清管器是否通过、并启动报警装置通知操作人员。
A pig indicator or "pig sig" is used to detect the passage of the pig and alert the operator by tripping a suitable warning device.
通清管技术在油气集输中是一种常用的用来清除管道内杂质、蜡、垢以及排空管道内存液的有效办法。
Passing ball cleaning pipe technique is a very effective method to clean up the impurity, wax and filthy and to exclude the existing liquid in oil gas transmission pipe.
研究清管器在含蜡原油输送管道中的受力情况和运行规律，分析发生清管器卡堵事故的原因并提出相应措施。
On the basis of study about the forces on the PIG and the principle of PIG running in wax crude oil pipeline, to analyze the reason of PIG block accidents and to give measures.
通过对收发球筒进行带压试验，找出导致清管系统快开盲板带压运行的主要原因，并提出解决的措施。
Through test on pigging receiver and launcher enduring pressure, determined is main reason resulting in quick opening closure enduring pressure on pigging system, and resolving method is put forward.
该清管器的钢轴能在较大推力作用下发生弯曲变形，有利于通过弯头或变形管段，可有效避免堵卡事故的发生。
The steel axle of this kind of pig can bend under greater thrust force, it is helpful to pass through elbow or the section of converting pipe, so it can avoid efficiently block accident.
蜡沉积会减少管道的有效内径，增大输送压力，降低管道的输送能力，增加清管频率，甚至造成蜡堵事故。
Wax deposits can lead to reduce effective inside diameter of the pipeline, increase transport pressure, reduce capacity of the pipeline, more frequent pigging requirement and even potential blockage.
文章根据皮碗式清管器在钢质管道中的运行特点，分析了影响清管器皮碗的特性及磨损因素，给出了皮碗合理过盈量。
The article analyzes characteristics and abrasion factor of leather cap type pig according operation feature, and then proposes reasonable magnitude of interference.
从中优选出“原油清管加油溶性化学清洗剂”的清洗方法，完全满足了克独老线清洗的要求。
Among the methods, the one with chemical cleaning solution which is oil soluble can satisfy the requirements for the old Ke-Du Pipeline cleaning.
图表示两种常用的清管器形式。
该方法能够用于现场清管作业时清管器堵塞工况预测。
The method can be used to predict the situation of pig plugging when field pigging job is conducted.
不时用清管器在油管内穿过，以清除这种锈蚀。
From time to time a scraper is passed through the pipeline to remove this corrosion.
清管球的运动速度取决于气液混合速度和在管道中的位置，而清管球前后的压差也和气液混合速度以及在管道中的位置有关。
The moving velocity and pressure drop of the pig depend on the homogeneous mixture and the locations of the pig in the pipeline.
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