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Overrall Frequency Conversion Transformation of a Steel Plant in Jingye Group

Introduction of Hebei Jingye Group


Hebei Jingye Group is a large group of companies mainly engaged in steel and iron, and also in hotel, real estate and trade. The main products are rebar, medium thick plate and hot coiled plate. With nearly 22,500 employees and total assets of 22.5 billion yuan, the Group has formed a scale of 12 million tons each of iron and steel, and is the largest rebar production base in the world. In 2014, the Group achieved sales revenue of 56.7 billion yuan, ranking 238th among the top 500 enterprises in China, and has been listed among the top 500 enterprises in China for 9 consecutive years and among the top 100 enterprises in Hebei Province for 11 consecutive years.


Jingye Group has successfully developed high value-added products such as ship plates, bridge plates, boiler plates, pressure vessel plates and anti-seismic rebar. At present, it has obtained the certifications of China Classification Society, EU CE, nine national classification societies, boiler plate series and pressure vessel plate series, and the rebar products (HRB400) and low-alloy high-strength medium-thickness steel plate (Q345B-E) have been recognized by CHINA IRON & STEEL ASSOCIATION for the physical quality of metallurgical products (Golden Cup Award), and the products are sold well in China and exported to more than 30 countries and regions. Our products are sold well in China and exported to more than 30 countries and regions, and participated in the construction of the Three Gorges Project, the China Pavilion at the World Expo, the South-North Water Diversion Project, the Shangri-La Hotel in Qinhuangdao and other key projects.


The Jingye Group always puts environmental protection, energy conservation and emission reduction in the first place, and has invested more than 2 billion yuan in energy conservation and emission reduction, as well as circular economy, recycling all the gas, steam, slag and industrial water, realizing the simultaneous development of economic and environmental benefits.


Project Name: Overrall Frequency Conversion Transformation of a Steel Plant in Jingye Group


Project Background:


This project is an overall transformation of a steel plant in Jingye Metallurgical Plan. According to the content of the agreement, it is necessary to complete the frequency conversion transformation of several major pre-furnace de-dusting fans, ore chute de-dusting fans, auxiliary combustion fans and sintering main extraction fans in the metallurgical process. It has the characteristics of heavy transformation task and tight project implementation time. After the completion of the project, it is expected that the monthly electricity cost can be saved up to millions RMB of volume.




List of Equipment:

Name of user/Project
Voltage(kV)
Frequency conversion capacity(kVA)
Load (kW) 
Qty(unit)
Load type
Industry
Remarks
Hebei Jingye /Dedusting fan before 7# furnace
10
1000
800
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /Dedusting fan before 8# furnace
10
1000
800
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /New dedusting fan of 8# furnace
10
1000
800
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /Dedusting fan of 1# furnace
10
1600
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /Dedusting fan before 9# furnace
10
1750
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /Dedusting fan before 10# furnace
10
1750
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /1#2#combustion fans of 9# frunace
10
500
450
1
Combustion fan
Metallurgy
One converter for two motors
Hebei Jingye /1#2#combustion fans of 10# frunace
10
500
450
1
Combustion fan
Metallurgy
One converter for two motors
Hebei Jingye / Dedusting fans of 9# frunace ore chute
10
1000
800
1
Dedusting fan of frunace ore chute
Metallurgy

Hebei Jingye / Dedusting fans of 10# frunace ore chute
10
1000
800
1
Dedusting fan of frunace ore chute
Metallurgy

Hebei Jingye / Dedusting fans of 11# frunace ore chute
10
1250
1120
1
Dedusting fan of frunace ore chute
Metallurgy

Hebei Jingye / Dedusting fans of 9# frunace ore chute
10
1250
1120
1
Dedusting fan of frunace ore chute
Metallurgy

Hebei Jingye / Dedusting fans before  14# frunace 
10
1750
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye / Dedusting fans before 15# frunace 
10
1750
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye / Dedusting fans before 16# frunace 
10
1750
1400
1
Dedusting fan before furnace
Metallurgy

Hebei Jingye /1#2#combustion fans of 14# frunace
10
710
560
2
Combustion fan
Metallurgy
One converter for two motors
Hebei Jingye /1#2#combustion fans of 15# frunace
10
710
560
2
Combustion fan
Metallurgy
One converter for two motors
Hebei Jingye /1#2#combustion fans of 16# frunace
10
710
560
2
Combustion fan
Metallurgy
One converter for two motors
Hebei Jingye /Coal injection main exhaust fan for 3# ironmaking
10
1120
900
2
Coal injection and smoke exhaust fan
Metallurgy

Hebei Jingye /1-7# upper tower pumps for 3# ironmaking
10
710
560
7
Upper tower pump
Metallurgy

Hebei Jingye /1-9# atmospheric pressure pumps for 3# ironmaking
10
1000
800
8
Atmospheric pressure pump
Metallurgy





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