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

Optimized and upgraded waste heat utilization Kalina cycle power generation system

A Kalina cycle and power generation system technology, applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., can solve problems such as reduction, waste efficiency, and high-pressure potential energy loss of lean ammonia solution, so as to avoid throttling loss and improve production efficiency. Functional ability, improvement of working ability and work efficiency

Pending Publication Date: 2019-03-15
HARBIN ENG UNIV
View PDF6 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Throttling results in loss of high pressure potential energy of lean ammonia solutions, resulting in waste and reduced efficiency

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
  • Optimized and upgraded waste heat utilization Kalina cycle power generation system
  • Optimized and upgraded waste heat utilization Kalina cycle power generation system
  • Optimized and upgraded waste heat utilization Kalina cycle power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0019] combine figure 1 , the composition of the present invention includes: evaporator 01, separator 02, superheater 03, steam turbine 04, high temperature regenerator 11, low temperature regenerator 06, two-phase expander 10, mixer 07, condenser 08, working medium Pump 09, generator 05 and circulating working medium ammonia water mixture. The overall circulation process is as follows: the basic ammonia solution enters the separator 02 after passing through the evaporator 01, and the rich ammonia vapor and the lean ammonia solution are separated by the separator 02, and the rich ammonia vapor passes through the superheater 03 and is superheated by a waste heat source of 250°C to a temperature of Higher working steam, the superheated ammonia-rich steam enters the steam turbine 04 to fully expand to do work, and then drives the generator to generate electricity to...

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 object of the invention is to provide an optimized and upgraded waste heat utilization Kalina cycle power generation system. The waste heat of a marine diesel engine is used as a cycle heat source, a superheater, a low-temperature regenerator and other components are added to a basic cycle system, and a two-phase expander is used to replace a conventional throttle valve. According to the invention, the superheater is added on the basis of the basic Kalina cycle, thus the temperature of the working medium at the inlet of a steam turbine is improved, the dryness of the exhaust gas at the outlet of the steam turbine is increased, the expansion efficiency of the steam turbine can be effectively improved, and the service life of the steam turbine is prolonged; the low-temperature regenerator is added, thus the energy from the exhaust gas of the steam turbine is recovered and utilized, the utilization ratio of energy can be improved and then the thermal efficiency of the whole cycle is enhanced; and the two-phase expander can recover and utilize the throttling loss of the ammonia-lean solution, thus the exhaust pressure of the steam turbine is reduced, and the performance and efficiency of the steam turbine are improved.

Description

technical field [0001] The invention relates to a Karina circulatory system. Background technique [0002] The Kalina cycle is an upgrade and improvement of the Rankine cycle. This cycle has its unique advantages in the field of recycling medium and low temperature waste heat. The Kalina cycle system is used to recover medium and low temperature waste heat (factory waste heat, ground Thermal energy, solar energy, etc.) have received more and more attention from experts and scholars in recent years. However, the existing relevant literature and research results show that the thermal efficiency of the circulation system is not considered much when using the Karina cycle system to recycle the medium and low temperature waste heat. The thermal efficiency of the system in the existing research is not high, and it does not exceed 15%. [0003] Medium and low temperature heat sources generally refer to low-grade energy sources with a temperature below 350°C. There are many types o...

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): F01K25/10F01K25/06
CPCF01K25/065F01K25/106
Inventor 张文平石晓磊张新玉明平剑国杰曹贻鹏柳贡民赵晓臣周承隆
Owner HARBIN ENG 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