Rotating liquid ring pipeline delivery method and equipment for high viscosity fluid

A pipeline transportation and liquid ring technology, which is applied in the pipeline system, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of liquid ring damage and instability, and achieve the effect of saving power costs and fuel oil

Inactive Publication Date: 2005-01-26
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during liquid ring transportation, due to the existence of Rayleigh-Taylor (Rayleigh-Taylor) and Kelvin-Helmholtz (Kelvin-Helmholtz) instability, that is, the density of oil at the core is less than that of water in the liquid ring. The eccentric flow and the bre

Method used

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  • Rotating liquid ring pipeline delivery method and equipment for high viscosity fluid
  • Rotating liquid ring pipeline delivery method and equipment for high viscosity fluid
  • Rotating liquid ring pipeline delivery method and equipment for high viscosity fluid

Examples

Experimental program
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Example Embodiment

[0024] Example 1:

[0025] Water is a ring-forming liquid, and high-viscosity crude oil is transported at room temperature. The volume flow ratio of water to crude oil is 3:7. Structural parameters of the outlet pipeline: the ratio of screw pitch to pipe diameter is 1:1; the ratio of spiral plate width to pipe diameter is 0.1:1. The structural parameters of the rotating liquid ring synthesizer: the ratio of the inner diameter of the high-viscosity fluid inner pipe to the inner diameter of the outlet pipe is 0.75:1; the ratio of the inner diameter of the high-viscosity fluid inner pipe to the inner diameter of the rotating liquid ring synthesizer is 0.5:1 . In addition to saving fuel without heating crude oil during transportation, it also reduces transportation power by more than 81%.

Example Embodiment

[0026] Example 2:

[0027] Water is a ring-forming liquid, and high-viscosity crude oil is transported at room temperature. The volume flow ratio of water to crude oil is 2:8. The structure parameters of the spiral guide device: the ratio of the pitch to the pipe diameter is 1:1; the ratio of the spiral plate width to the pipe diameter is 0.07:1. The structural parameters of the rotating liquid ring synthesizer: the ratio of the inner diameter of the high-viscosity fluid inner pipe to the inner diameter of the outlet pipe is 0.8:1; the ratio of the inner diameter of the high-viscosity fluid inner pipe to the inner diameter of the rotating liquid ring synthesizer is 0.6:1 . In addition to saving fuel without heating crude oil during transportation, it also reduces transportation power by more than 76%.

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PUM

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Abstract

The invention discloses a highly glutinous liquid's revolving liquid loop pipe transport method and device. Through the first pump, loop liquid storage pot is connected with revolving liquid loop synthesizer in which there are two spiral laminas whose phase difference is 180 DEG C. Through the second pump, highly glutinous liquid's storage pot is connected with highly glutinous liquid inner pipe which is in the middle of the synthesizer. Exit end of the synthesizer is connected with exit pipe in which there is spiral lamina. Rotary motion is generated while the liquid loop is moving forward in the invention. Liquid loop with higher density always lies around inner wall of the pipe through centrifugal force field generated by rotary motion. On the contrary, oil phase with lower density lies in the center of the pipe for lesser centrifugal force. Adopting the invention, driver fee and plenty of fuel oil is saved. In the process of fluxion, liquid film at two phases' interface will not break up to beget two phase liquids' blend.

Description

Technical field [0001] The invention relates to a fluid pipeline transportation technology, in particular to a high-viscosity fluid rotary liquid ring pipeline transportation method and a device thereof. Background technique [0002] Petroleum, including heavy oil with huge resource potential, is the most important energy source in modern times. The development of the petroleum industry is directly related to the industrialization process of various countries, and the transportation of crude oil is an important part of the petroleum industry. Compared with other transportation methods (such as trains, automobiles, oil tankers, etc.), pipeline transportation has developed rapidly in terms of technology and economy. [0003] Crude oil is viscous, especially the crude oil in my country is mostly paraffinic crude oil, which has the characteristics of high wax content, high gel content, high pour point, and high viscosity. Pipeline delivery is not possible at room temperature. ...

Claims

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Application Information

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IPC IPC(8): F17D1/08
Inventor 窦梅南碎飞
Owner ZHEJIANG UNIV
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