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蜡沉积物
相关语句
  wax deposit
     EFFECT OF DIESEL ON WAX DEPOSIT DURING BATCH TRANSPORT OF WAXY CRUDE AND DIESEL IN A PIPELINE
     含蜡原油-柴油顺序输送中柴油对蜡沉积物的冲刷作用
短句来源
     In batch transport of waxy crude and refined-products through a pipeline, a special difficulty is contamination of the product by the wax deposit on the pipe wall.
     含蜡原油与成品油顺序输送的特殊难点是蜡沉积物对成品油的污染。
短句来源
     It is found that the erosion rate of outer wax deposit with one of three in thickness near the oil stream is much higher than that of inner wax deposit. The properties and strengths of deposits in the two layers are different.
     结果表明 ,柴油对靠近油流 1/ 3厚度的蜡沉积物的冲刷速率远大于对其余 2 / 3厚度的蜡沉积物的冲刷速率 ,说明这两层沉积物的性质和强度明显不同。
短句来源
     It is demonstrated that the pipeline is necessary to be cleaned after the crude batch,in order to eliminate the following diesel contaminated with the wax deposit.
     否则 ,蜡沉积物对后输柴油的污染相当严重。
短句来源
  “蜡沉积物”译为未确定词的双语例句
     SYSTEMATICAL ANALYSIS OF PARMFIN DEPOSITS AND DISCUSSION ON MECHANIZM OF PARAFFIN DEPOSITION IN PRODUCTIONWELLS OF TULUFAN-HAMI OIL FIELDS IN XINJIANG
     吐哈油田生产井蜡沉积物系统分析及蜡沉积机理探讨
短句来源
     The process parameters for wax precipitation are obtained and the physic-chemical properties of wax settlement analysed with relevent data furnished for building and operating such equipment.
     通过大庆原油的试验实例,求得结蜡过程参数,分析了蜡沉积物的理化性质,为新建和使用板式结蜡试验装置提供有关参考数据。
短句来源
     Some experiments were conducted in a flow loop to simulate the effects of a diesel stream on the wax deposits on the pipe wall during batch transport of waxy crude and refined petroleum products in a pipeline.
     针对含蜡原油成品油在顺序输送中管壁上会产生蜡沉积物的问题 ,利用管流实验环道模拟了 0号柴油对管壁处蜡沉积物的冲刷实验。
短句来源
     The erosion rates of both layers are the same approximately at a certain temperature and shear stress of the diesel stream.
     但在一定油温和油流剪切应力下 ,每层中柴油对蜡沉积物的冲刷速率变化不大。
短句来源
     On the above basis, an empirical model was developed for correlating the erosion rate with the oil temperature and shear stress.
     对两层蜡沉积物分别建立了冲刷速率与油流温度及剪切应力关系的经验模型。
短句来源
  相似匹配句对
     CHAPTER 5 MARINE SEDIMENTATION Section 3 Bottom Sediment
     海底沉积物
短句来源
     CHAPTER 5 MARINE SEDIMENTATION Section 5 Sedimentary Chemistry
     沉积物化学
短句来源
     It is demonstrated that the pipeline is necessary to be cleaned after the crude batch,in order to eliminate the following diesel contaminated with the wax deposit.
     否则 ,沉积物对后输柴油的污染相当严重。
短句来源
     velutina, F.
     velutina、黑白F.
短句来源
     Waxes, Solvents and Additives
     ,溶剂及添加剂
短句来源
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  wax deposit
A study trying to determine the mechanism for the ageing of the wax deposit under isothermal conditions was thus undertaken and is here described.
      
As the pig enters the pipeline, it removes the wax deposit of the pipewall and pushes the wax in front of the pig.
      
As expected, the heavier n-paraffin molecules are significantly more concentrated in the wax deposit than in the parent oil.
      
Before a pipeline with high wax deposit is being pigged, a pigging program has to identify type and numbers of pigs.
      
High temperature capillary gas chromatogram of a wax deposit collected from an oil pipeline.
      
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The flow path, apparatus and testing method as well as procedures in respect to the equipment are systematically dealt with in the article . The process parameters for wax precipitation are obtained and the physic-chemical properties of wax settlement analysed with relevent data furnished for building and operating such equipment.

本文就结蜡装置的流程、装备、试验方法及步骤等进行了系统的叙述。通过大庆原油的试验实例,求得结蜡过程参数,分析了蜡沉积物的理化性质,为新建和使用板式结蜡试验装置提供有关参考数据。

This paper introduces a static wax precipitation equipment, with which static wax precipitation procedure of crude oil under different conditions were experimentally studied in laboratory. The factors affecting wax precipitation have been analyzed. The test results show that wax precipitation of crude oil can be reduced with the rise of pipe wall temperature under a certain oil temperature. It is best to make a pipe covering for preventing wax precipitation. Some addtives can also reduce wax precipitation and...

This paper introduces a static wax precipitation equipment, with which static wax precipitation procedure of crude oil under different conditions were experimentally studied in laboratory. The factors affecting wax precipitation have been analyzed. The test results show that wax precipitation of crude oil can be reduced with the rise of pipe wall temperature under a certain oil temperature. It is best to make a pipe covering for preventing wax precipitation. Some addtives can also reduce wax precipitation and improve the crude oil flow under an optimum heat treatment temperatu re. The improvement results are varied with different heat treatment temporat uresand additive concentrations.

本文简要介绍了一种双缸管式静态结蜡装置,该装置控制温度准确,蜡沉积物易于获取,结蜡表面易于清洗,结蜡管壁材质和表面粗糙度可以改变,可用来研究原油温度和管壁温度对结蜡的影响。评价热处理条件和添加剂改善原油结蜡状况的效果,以及管壁材质和表面粗糙度对原油结蜡的影响,还可以用来研究油水悬浮液的粘壁特性。

The paraffin deposits in production wells of Tulufan-Hami Oil Fields are of high melt point (84-100℃) and more than 50% of them is insoluble in CCl_4 and CS_2.GC, IR and 1HNMR studies show that these paraffin deposits consist of alkanes of wide chain length distribution with two peaks and can be divided into two parts:(l)normal wax with chain length C_(13)-C_(35)and chain branching index CH_3/CH_2 0. 24-0. 36 and (2) high carbon number wax with chain length C_(36)->C_(65) and branching index 0. 050-0. 057...

The paraffin deposits in production wells of Tulufan-Hami Oil Fields are of high melt point (84-100℃) and more than 50% of them is insoluble in CCl_4 and CS_2.GC, IR and 1HNMR studies show that these paraffin deposits consist of alkanes of wide chain length distribution with two peaks and can be divided into two parts:(l)normal wax with chain length C_(13)-C_(35)and chain branching index CH_3/CH_2 0. 24-0. 36 and (2) high carbon number wax with chain length C_(36)->C_(65) and branching index 0. 050-0. 057 , that is, nearly pure long-chain linear alkanes. The later part amounts more than 50% of the whole paraffin deposits and are responsible for the severe paraffin deposition in preduction wells of Tulufan-Hami Region.The mechanizms involved in the paraffin deposition are discussed.

用溶剂萃取分离、气相色谱、红外光谱、核磁共振等方法分析研究了吐哈油田特别是鄯善油田生产井的蜡沉积物。吐哈原油中的蜡按烷烃碳数分布有C_(13)-C_(35)和C_(36)-C_(65)两个峰区,其中第二峰区的高碳石蜡含量超过蜡总含量的50%,蜡熔点很高,为84-100℃,基本上是不带支链的纯粹正构烷烃,极易从原油中析出。对蜡沉积机理作了初步探讨和推论。

 
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