Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Low dropout decompression transfer line

An oil transfer line, low pressure drop technology, applied in rigid pipes, distillation separation, pipes, etc., can solve the problems of high outlet temperature of decompression furnace, poor oil vaporization effect, and influence on oil extraction rate, etc. Outlet temperature, improving product quality, optimizing the effect of vaporization

Active Publication Date: 2009-09-16
TIANJIN UNIV
View PDF0 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, domestic oil transfer lines such as Image 6 As shown, it is composed of 90-degree elbow 1 with equal diameter, 30-60-degree elbow 2, transition section straight pipe 6 and low-velocity section 5; there are problems of large pressure drop, large temperature drop, and excessive local flow velocity during use.
On the one hand, the high-pressure drop transfer oil line will make the vaporization effect of the oil product poor, which will affect the extraction rate of the oil product; Easy to crack and coke
In addition, the oil flow rate in the high-pressure drop transfer line will be too high, which will easily cause problems such as vibration of the piping system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low dropout decompression transfer line
  • Low dropout decompression transfer line
  • Low dropout decompression transfer line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention is compared with prior art as follows:

[0021] Figure 6 It is a schematic diagram of the structure of a petrochemical company's decompression to oil transfer line. The decompression furnace tube is a four-way exit, which is drawn out at the top of the furnace, goes vertically upwards and passes through a 90-degree elbow, then along a section of horizontal straight pipe, and then passes through a horizontal 45-degree elbow, and the four-way transition section is combined and inserted into the low-speed section, and the straight pipe of the low-speed section is horizontal at an angle of 45 degrees. The low-speed section has a diameter of 1.4m and a length of about 28m.

[0022] Will Figure 6 The structure of the oil transfer line is optimized, and the optimized structure is as follows Figure 1a Fig. 1b and Figure 1c As shown, a 90-degree expanding elbow 1 with a radius of curvature of 3 to 6 times the diameter of the elbow is connected to a 3...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A low dropout decompression transfer line of the invention is used in a pipeline between a vacuum furnace and a vacuum tower of an atmosphere and vacuum distillation unit in the process of oil refining and in other devices for transporting oil products with high temperature and low pressure. The low dropout decompression transfer line comprises a 90 degree extend elbow, a 30-60 degree elbow, a transition section and a low speed section; wherein, the transition section adopts a structure of progressive hole enlargement, the 90 degree extend elbow is one with the curvature radius being 3-6 times of the diameter of a bent pipe, and the transition section is structured in the way that a trousers-shaped straight tee (3) with 15-30 degree of included angle is connected with a Y-shaped straight tee (4) in the shape of trousers with 45-90 degree of included angle. The invention adopts the principle of pipe diameter extending and smooth processing at joints, reduces resistance loss in the process of flowing and pressure drop of the transfer line and optimizes vaporization effect of the oil products, thus improving distillate yield and generating appreciable economic benefits.

Description

technical field [0001] A low pressure drop and decompression oil transfer line of the present invention is used for the pipeline between the decompression furnace and the decompression tower of the atmospheric and vacuum distillation device in the oil refining process, and other transportation devices related to high temperature and low pressure petroleum products. Background technique [0002] The decompression oil transfer line is the material delivery pipeline between the decompression furnace and the decompression tower. A reasonably designed low-pressure decompression oil transfer line is conducive to improving the vaporization rate of oil products, increasing the extraction rate of the decompression tower, and improving the decompression. Sideline product quality. Since the diameter of the low-speed section of the decompression oil transfer line is generally 1 to 2 meters, it is a pipeline with a complex structure and a large scale. The flow process of atmospheric res...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/18B01D3/00
Inventor 李鑫钢隋红秦娅姜斌罗铭芳
Owner TIANJIN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com