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High pressure sealing ring current type crude oil wax deposition simulating device

A high-pressure sealing and simulation device technology, applied in the field of pipeline systems, can solve the problems of cumbersome wax deposition process and affecting the accuracy of loop simulation

Active Publication Date: 2005-11-02
PIPECHINA SOUTH CHINA CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All of these affect the accuracy of the loop simulation, and a large amount of physical and mathematical processing must be performed on the processing and amplification of the test data to correct it. Therefore, using the loop to simulate the wax deposition process is cumbersome and has disadvantages

Method used

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  • High pressure sealing ring current type crude oil wax deposition simulating device
  • High pressure sealing ring current type crude oil wax deposition simulating device

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Embodiment Construction

[0006] Embodiment: take kettle 26 internal diameter 400mm, high 200mm as example, its specific structure is as figure 1 , figure 2 shown. The main equipment and dimensions are: the inner tank is 150mm high and 10mm thick, the kettle cover 7 is 50mm high, the jacket 4 is 50mm wide, the spiral deflector 5 is coiled 5 times in the jacket 4, the insulation layer 3 is 50mm wide, and the shell 2 is thick 5mm, the insulation layer 3 is filled with asbestos. The motor 13 is 1KW, the shaft of the agitator 23 is made of Φ20mm×2 steel pipe with a length of 200mm, the outer pipe of the vertical casing outside the shaft is made of a Φ30×5mm steel pipe with a length of 100mm, and the anchor type circulation generator 25 is 300mm wide and 120mm high. The Φ10×2mm steel pipe is bent into an anchor shape and welded with the vertical casing. The electric heating cable (line) 18 is wound on the anchor type circulation generator 25 and then passed through the vertical casing and welded on the s...

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Abstract

The invention provides a high-pressure sealing circulatory imitating wax deposition device for wax deposition imitation in long petroleum pipeline. It comprises a sealing kettle (26) which has an oil inlet (15) and an oil outlet (27), an electric stirrer (23) inserted in kettle (26), a temperature-control and a detector. The temperature-control has an inner heater which is fixed on the stirrer (23) and inserted in the kettle (26), a clamping sheath (4) which covers the inner container (6), a heat-insulating layer (3) and an outer cover (2). The detector comprises a piezometer (10) which is inserted in the kettle (26) through the kettle cover (7), a plurality of temperature sensor (21-2) in the kettle (26), a temperature sensor slideway (14), a plurality of temperature sensor drive pipe (20) which is through the outer cover (2), heat-insulating layer (3), clamping sheath (4) and close to the outer wall of inner container (6). Said simulator has small structure, volume, little apparatuses, large experiment space of oil sample, while the equivalent sheared intensity of oil sample equals the intensity of on-site oil of channel in the simulating experiment that the geometrical and dynamical condition is close to the on-site reality. The experiment has real simulating course, accurate data, and lower cost.

Description

technical field [0001] The invention relates to a high-pressure sealing circulation type wax deposition simulation device used for wax deposition simulation of long-distance crude oil pipelines. It relates to the technical field of piping systems. Background technique [0002] The wax deposition in the long-distance crude oil pipeline seriously affects the safe and economical operation of the pipeline. It is of great significance for pipeline operators to know the wax deposition in the pipeline. At present, the oil transportation site mainly calculates the average wax deposition thickness between stations through the inverse calculation of the pressure drop between stations. Since the operating parameters of the pipeline are often fluctuating, the accuracy of the wax deposition data obtained by this method is not high, and it cannot reflect the internal pressure of the pipeline. Realistic wax distribution. Another method is to use an indoor simulation device to predict the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D3/00
Inventor 苗青杨祖佩常维纯夏志李莉
Owner PIPECHINA SOUTH CHINA CO
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