Screw expander dragged sintering wast heat power generation system and method

A screw expander, waste heat power generation technology, applied in the direction of machine/engine, waste heat treatment, mechanical equipment, etc., can solve the problems that the steam cannot fully meet the requirements, the power generation efficiency of the steam turbine is not high, and achieve the effect of improving the recycling rate and saving electric energy.

Inactive Publication Date: 2015-03-25
ZHEJIANG UNIV
View PDF9 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of sintering waste heat utilization, the waste heat is generally used to generate electricity through steam turbines, but steam turbines have high requireme...

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
  • Screw expander dragged sintering wast heat power generation system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] Such as figure 1 As shown, the screw expander dragged sintering waste heat power generation system includes sinter vertical cooling device 1, sintering machine 2, bellows 3, main flue 4, dust collector 5, first electric fan 6, first fan 7, first Screw expander 8, heat pipe waste heat boiler 9, steam supplement condensing steam turbine 10, chimney 11, generator 12, condenser 13, first water pump 14, second water pump 15, third water pump 16, deaerator 17, first water pump Four water pumps 18, fifth water pump 19, double inlet and double pressure waste heat boiler 20, cold air inlet valve 21, second electric fan 22, second screw expander 23, second fan 24, release valve 25, dust collector 26, The air inlet chamber 27 of the sinter vertical cooling device, the low temperature air outlet chamber 28 of the sinter vertical cooling device, the medium temperature air outlet chamber 29 of the sinter vertical cooling device, and the high temperature air outlet chamber 30 of the s...

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 discloses a screw expander dragged sintering wast heat power generation system and method. The system comprises a vertical sinter cooling device, a sintering machine, a bellows, a main flue, a dust collector, a first electric fan, a first fan, a first screw expander, a heat pipe waste heat boiler, a steam supplementing and condensing type steam turbine, a chimney, a generator, a condenser, a first water pump, a second water pump, a third water pump, a deaerator, a fourth water pump, a fifth water pump, a dual-intake dual-pressure waste heat boiler, a cold air intake valve, a second electric fan, a second screw expander, a second fan, a blow off valve, another dust collector, a vertical sinter cooling device intake chamber, a vertical sinter cooling device low-temperature air outtake chamber, a vertical sinter cooling device medium-temperature air outtake chamber and a vertical sinter cooling device high-temperature air outtake chamber. By the system and method, sintering waste heat and energy can be recovered efficiently, power generation efficiency is improved, consumed energy needed for equipment operation is saved greatly, and the system and method is of great significance to energy conservation and emission reduction of iron and steel enterprises.

Description

technical field [0001] The invention relates to a sintering waste heat power generation system driven by a screw expander and its method, especially a method and device for efficiently recovering the waste heat of the main flue gas of the sintering machine and the waste heat of the waste gas of the sinter vertical cooling device at the same time, which belongs to high temperature Particle waste heat recovery equipment and technical field. Background technique [0002] The iron and steel industry is an important basic industry of the country and a pillar industry of the national economy. At present, my country's iron and steel industry is developing rapidly and has made great achievements. However, with the rapid development of my country's iron and steel industry, the problem of high energy consumption is serious, and the situation of energy conservation in the iron and steel industry is extremely severe. [0003] The processes in China's steel industry mainly include cokin...

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): F27D17/00F01K27/02
CPCY02P10/25
Inventor 黄连锋范利武田付有翁元凯俞自涛胡亚才屠柏锐尹德厚厉青
Owner ZHEJIANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap