Unlock instant, AI-driven research and patent intelligence for your innovation.

Method of fractionating a hydrocarbon stream and an apparatus therefor

A hydrocarbon flow and equipment technology, applied in lighting and heating equipment, cold treatment separation, liquefaction, etc., can solve problems such as explosions, hydrocarbon vapor fires, etc.

Inactive Publication Date: 2013-01-23
SHELL INT RES MAATSCHAPPIJ BV
View PDF9 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] These refrigerant component make-up components may be flammable hydrocarbons such that any leakage of hydrocarbon vapors may present a fire and / or explosion hazard

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
  • Method of fractionating a hydrocarbon stream and an apparatus therefor
  • Method of fractionating a hydrocarbon stream and an apparatus therefor
  • Method of fractionating a hydrocarbon stream and an apparatus therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Embodiments of the invention described herein include methods and apparatus for fractionating a hydrocarbon stream that provides an at least liquid first hydrocarbon component storage stream at a first hydrocarbon component storage pressure at most only above atmospheric pressure, to be used as a make-up component of the first refrigerant component.

[0032] In the context of this specification, the meaning of at most only above atmospheric pressure depends on the context of the application, but in any case from atmospheric pressure to pressures of about 1 bar above atmospheric pressure (ie from 0 to about 1 barg) are considered is falling within the meaning of just above atmospheric pressure. Given that it is expressed as an absolute pressure value, it may represent a pressure of less than about 2 bara or a pressure of less than 2 bara.

[0033] The potential hazards associated with hydrocarbon vapor leakage are reduced by storing the first hydrocarbon component and o...

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 hydrocarbon stream (200) is separated in a first fractionation device (205) to provide an overhead first hydrocarbon component stream (210) and a first hydrocarbon component depleted bottoms stream (300). The overhead first hydrocarbon component stream (210) is liquefied and at least part of it is then cooled against a refrigerant stream (2160) to provide a cooled liquefied first hydrocarbon component reservoir stream (260) and a warmed refrigerant stream (2170). After reducing the pressure of the cooled liquefied first hydrocarbon component reservoir stream (260), it is stored in a liquid first hydrocarbon component reservoir (285) at a first hydrocarbon component storage pressure of at most just above atmospheric pressure, for use as a refrigerant component reservoir make-up consituent. A first hydrocarbon component supply stream (280) may drawn from the liquid first hydrocarbon component reservoir (285) and passed to at least one refrigerant circuit (1000, 2000).

Description

technical field [0001] The present invention provides a method and apparatus for fractionating a hydrocarbon stream comprising at least a first hydrocarbon component to provide at least a first hydrocarbon component reservoir stream. [0002] The hydrocarbon stream may be obtained by extraction from a hydrocarbon feed stream. Natural gas is a common hydrocarbon feed stream. The first hydrocarbon component may include ethane. Background technique [0003] Natural gas is a useful fuel source and a source of various hydrocarbon compounds. For a number of reasons, it is often desirable to liquefy natural gas in a liquefied natural gas (LNG) facility at or near the source of the natural gas stream. For example, natural gas is easier to store and transport over long distances in its liquid state than its gaseous form because it occupies a smaller volume and does not require high pressure storage. [0004] Offshore liquefaction of natural gas in offshore facilities has been pro...

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
IPC IPC(8): F25J1/02F25J3/02F25B45/00
CPCF25J3/0209F25J3/0242F25J1/0035F25J1/025F25J3/0247F25J2230/30F25J2200/70F25J1/0214F25J1/0055F25J2240/02F25J2290/62F25J2215/64F25J1/0211F25J2215/62F25J3/0238F25J2200/02F25J1/0052F25J2205/04F25J2200/74F25J2215/66F25B45/00F25J2270/12F25J1/0022F25J1/0237F25J3/0233F25J2290/34F25J1/0292F25J2230/22F25J2240/70F25J2240/82F25J1/02F25J3/02
Inventor T·弗雷特P·海克斯D·B·伦巴尔克P·M·鲍陆斯
Owner SHELL INT RES MAATSCHAPPIJ BV