YT Environmental Protection Energy Island (Integrated Dust Removal, Denitrification, Desulfurization, and Waste Heat Recovery)
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  • YT Environmental Protection Energy Island (Integrated Dust Removal, Denitrification, Desulfurization, and Waste Heat Recovery)

YT Environmental Protection Energy Island (Integrated Dust Removal, Denitrification, Desulfurization, and Waste Heat Recovery)

Applicable Fields: Various smelting furnaces (closed-type and semi-closed-type furnaces) Silicon-based and ferroalloy product series (industrial silicon, ferrosilicon, silicomanganese, ferrochrome, ferronickel, titanium slag, etc.) Nonferrous metallurgy (alumina, cobalt oxide, nickel oxide, calcination of vanadium–titanium ores, rare-earth roasting, etc.) Building materials industry (glass kilns, cement kiln exhaust, ceramic kilns, etc.) Product Overview: The YT Environmental Protection Energy Island is an industrial flue-gas comprehensive treatment system independently developed by Yitai Technology. It employs a process comprising “a first-stage high-temperature waste-heat boiler + integrated high-temperature dust removal and denitrification + a second-stage low-temperature waste-heat boiler + dry desulfurization and dust removal,” achieving highly efficient, synergistic removal of SO₂, NOx, and particulate matter from flue gas. This process represents a global first in the field of flue-gas treatment for industrial silicon electric furnaces and has been successfully implemented in the comprehensive flue-gas treatment project for two 33 MVA industrial silicon electric furnaces at Hongyuan Energy Technology (Baotou) Co., Ltd., thereby delivering a comprehensive upgrade in economic benefits, operational safety, and environmental protection.

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Tag list： YT Environmental Protection Energy Island (Integrated Dust Removal, Denitrification, Desulfurization, and Waste Heat Recovery)

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YT Industrial Dust Removal Equipment

Product Description

INTERMET

YT Environmental Energy Island

Increased production / Enhanced waste heat recovery / Reduced land use and energy consumption
 

 

 

Technical Overview:

The YT Environmental Protection Energy Island is an industrial flue-gas comprehensive treatment system independently developed by Yitai Technology. It employs a process comprising “a first-stage high-temperature waste-heat boiler, integrated high-temperature dust removal and denitrification, a second-stage low-temperature waste-heat boiler, and dry desulfurization and dust removal,” enabling the efficient and synergistic removal of SO₂, NOx, and particulate matter from flue gas. This process represents a global first in the field of flue-gas treatment for industrial silicon electric furnaces and has been successfully implemented in the comprehensive flue-gas treatment project for two 33 MVA industrial silicon electric furnaces at Hongyuan Energy Technology (Baotou) Co., Ltd., delivering a comprehensive upgrade in performance, safety, and environmental protection.


Residual heat increases daily production capacity by approximately 10% , Waste heat utilization improved by approximately 20% , energy consumption reduced by approximately 10% , microsilica reduces approximately 40% , environmental protection power consumption reduced by approximately 25% , reduced land occupation 50% , Optimization of staffing.

 

 

 

Five Major Innovative Technologies:

 

High-Temperature Metal Membranes and Membrane Separation Technology
Develop a specialized metal membrane tailored to ultrafine industrial silicon dust, enabling high-efficiency filtration at elevated temperatures (~350°C). Dust emission concentration < 1 mg/Nm³ , with a filtration accuracy of 0.1 μm and excellent thermal stability and conductivity.

Dust-and-explosive-integrated technology
Integrating high-temperature dust removal with SCR denitrification in a single unit—performing dust removal first, followed by denitrification—avoids catalyst fouling and enhances denitrification efficiency. NOx emission concentration < 40 mg/Nm³ , reducing land use and heat loss.

Dry Desulfurization Technology
A calcium-based or sodium-based dry desulfurization process is employed to achieve highly efficient SO₂ removal in the high-temperature section. SO₂ emission concentration < 30 mg/Nm³ , low desulfurizer consumption and controllable operating costs.

Two-Stage Stepwise Thermal Energy Recovery Technology
Two-stage waste-heat boilers enable staged recovery of high-temperature flue gas, increasing waste-heat utilization by approximately 20%, boosting power generation, and reducing specific electricity consumption per ton of silicon.

Ludao Feng AI Intelligent Collaborative Joint Control Technology
Leveraging large AI models, intelligent collaborative control is implemented across electric furnaces, environmental protection islands, and fans, enabling direct fan-based adjustment of furnace conditions and precise dosing of desulfurization and denitrification agents. This approach reduces energy and material consumption while enhancing production output and operational stability.

 

Cooperation partners

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