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

A cryogenic submersible pump system filled with lng

A submersible pump, low temperature technology, applied to the components, pumps, pump devices and other directions of the pumping device for elastic fluid, can solve the problems of affecting sealing and heat dissipation, and achieve the effect of reducing heat leakage and ensuring accuracy

Active Publication Date: 2017-12-26
JIANGSU DUBLE ENG
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The structure of the low temperature liquefied gas submersible pump in the existing technology is mainly the nozzle structure, which needs to be improved. The structure of the submersible pump is mainly the nozzle, but in fact the nozzle may be a more important aspect that dissipates heat and affects the seal.

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
  • A cryogenic submersible pump system filled with lng
  • A cryogenic submersible pump system filled with lng
  • A cryogenic submersible pump system filled with lng

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] As shown in the figure, a low-temperature liquefied gas submersible pump includes a main cylinder for ensuring liquid seal, the upper end of the main cylinder is sealed by a flange, and a submersible pump 4 is fixed inside the main cylinder 1, so The outlet pipe 9 of the submersible pump extends outward through the flange 2; the side wall of the main cylinder is provided with a liquid phase inlet 5 and a gas phase outlet 6. The main cylinder body 1, the upper end of the main cylinder body is sealed by the flange 2, the submersible pump is fixed in the main cylinder body, the upper end of the main cylinder body is provided with a flange and an upper cover 3 covering the flange, and the submersible pump is composed of The inner tube 8 is wrapped, and the outlet pipe 9 of the submersible pump 4 extends upward through the flange and the upper cover; the side wall of...

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

The invention provides a low temperature immersed pump pool for liquefied natural gas (LNG). The low temperature immersed pump pool comprises a main cylinder body used for ensuring liquid seal. The upper end of the main cylinder body is sealed through a flange. An immersed pump is fixed in the main cylinder body. The upper end of the main cylinder body is provided with the flange and an upper seal cover covering the flange. The immersed pump is wrapped with an inner tire. A liquid outlet pipe of the immersed pump penetrates through the flange and the upper seal cover to extend upwards. The side wall of the main cylinder body is provided with a liquid phase inlet and a gas phase outlet. A whole part between the main cylinder body and the inner tire is a vacuum thermal insulation cavity. S304 stainless steel is adopted for the material of the inner tire and a shell of the main cylinder body. The inner tire is wrapped with aluminum foil fiberglass material and contains adsorption purge gas material.

Description

technical field [0001] The invention belongs to the field of pressure vessels, and in particular relates to a submersible pump or submersible pump pool for low-temperature liquefied gas. This submersible pump can be used for filling LNG. Background technique [0002] LNG is condensed into a liquid by cooling gaseous natural gas at normal pressure to -162°C. Natural gas liquefaction can greatly save storage and transportation space and cost, and has the characteristics of large calorific value and high performance. In the LNG filling station equipment, the submersible pump pool is an important power device for filling the low-temperature liquid LNG from the storage tank into the pipeline of the liquid injection machine. How to effectively reduce heat dissipation and provide sealing during the filling process is the key to evaluating the quality of the LNG submersible pump pool. [0003] The structure of the submersible pump for cryogenic liquefied gas in the prior art is m...

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 Patents(China)
IPC IPC(8): F04D13/08F04D29/08F04D29/58F04D29/40F17C7/02
Inventor 黄鹏黄莉郭飞顾晓华翟继军张国超
Owner JIANGSU DUBLE ENG
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