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

A BOG Gas Turbine, Karina, Organic Rankine Combined Cycle Power Generation System Using LNG Cold Energy

A technology of combined cycle power generation and Karina cycle, which is applied in the field of coupled utilization of LNG cold energy and BOG, can solve the problem of low utilization rate of cold energy, achieve reasonable structure, low cost, and improve thermal efficiency and power generation efficiency

Active Publication Date: 2022-07-22
XI'AN PETROLEUM UNIVERSITY
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural gas direct expansion power generation technology has the advantages of simple process and low cost, but it can only use the pressure energy of LNG, and it also has the disadvantage of low utilization rate of cold energy

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 BOG Gas Turbine, Karina, Organic Rankine Combined Cycle Power Generation System Using LNG Cold Energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] see figure 1 , a BOG gas turbine, Karina, organic Rankine combined cycle power generation system utilizing LNG cold energy, including BOG gas turbine system, Karina cycle, organic Rankine cycle and natural gas direct expansion system;

[0021] The BOG gas turbine system includes a BOG compressor 2, the inlet side of the BOG compressor 2 is connected to the gas phase outlet side of the LNG storage tank, and the outlet side of the BOG compressor 2 is connected to the cold flow inlet side of the first heat exchanger 3. , the cold flow outlet side of the first heat exchanger 3 and the outlet side of the air compressor 4 are connected to the inlet side of the burner 5, the outlet side of the burner 5 is connected to the inlet side of the gas turbine 7, and the outlet side of the gas turbine 7 is connected to the inlet side of the gas turbine 7. The heat fl...

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 BOG gas turbine, Karina, organic Rankine combined cycle power generation system utilizing LNG cold energy, including BOG gas turbine system, Karina cycle, organic Rankine cycle and natural gas direct expansion system; using BOG for cooling organic Rankine The circulating working fluid is then used as the fuel of the gas turbine system, and the flue gas from the gas turbine outlet is used as the heat source of the Karina cycle to achieve efficient recovery and utilization of BOG; LNG is used as the cold source of the organic Rankine cycle and Karina cycle, and then the The natural gas after endothermic gasification is used for direct expansion power generation to realize the cascade utilization of LNG cold energy; the invention can realize the efficient complementary utilization of BOG and LNG cold energy, and significantly improve the thermal efficiency and power generation efficiency of the system; It has the advantages of low cost, energy saving and high practicability.

Description

technical field [0001] The invention relates to a coupled utilization technology of LNG cold energy and BOG, in particular to a BOG gas turbine, Karina and organic Rankine combined cycle power generation system utilizing LNG cold energy. Background technique [0002] Liquefied natural gas (LNG) cryogenic storage tanks cannot achieve absolute thermal insulation, so boil-off gas (BOG) is inevitable. The existence of BOG will threaten the production safety of the system and must be handled properly. However, the existing BOG treatment systems have problems such as complex structure, high energy consumption, and serious waste of cold energy. [0003] LNG needs to be gasified to normal temperature and then supplied to users. During the gasification process, LNG will release a large amount of cold energy. If this part of the cold energy can be utilized, it will produce huge economic benefits. The Karina cycle with ammonia-water mixture as the working medium has significant adva...

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): F01K23/02F01K23/04F01K23/10F01K25/06F01K25/10F02C3/22F02C6/00F02C6/18
CPCF01K23/02F01K23/04F01K23/10F01K25/065F01K25/10F02C3/22F02C6/00F02C6/18Y02E20/16
Inventor 潘杰朱敏李默翻李冉吕涛
Owner XI'AN PETROLEUM UNIVERSITY