Overview

SUS provides technical renovations on core equipment regarding systems of incineration grate, flue gas treatment, water treatment, etc. Based on experience gained through investments, constructions, and operations of more than 75 oversea projects, SUS has effectively integrated all stages including design, procurement, construction, commissioning, and operation, establishing a comprehensive mega-database throughout equipment parameters, costs, suppliers, etc. In this way, it can adapt to diversified renovation service requirements.



Renovation Service
  • Boiler Capacity Expansion
  • Flue Gas Standard Upgrade
  • Exhuast Gas Recovery
  • Heat Supply Renovation
  • Leachate Heating


Hitachi Zosen Technology: Full-scale introduction & In-depth assimilation

Independent Innovtion Capabilities: Dedicated R&D, soild waste scientist
Full-system thermal calculation model
Corrosion risk assessment capabilities
Database on designed heat transfer surface of waste heat boilers
● Design capabilities on top-layer schemes for waste heat boilers
Economic Analysis: Expansion and renovation expense $466k, annual profit $2.74 million, return of investment 0.2 years (based on waste treatment capacity at 1,000t/d scale)




Hitachi Zosen Technology: Full-scale introduction & In-depth assimilation
Independent research and development & official authorization + complementary large industrial manufacturing base
Niro rotary atomizer (directly authorized)
CFD flow field simulation, BIM three-dimensional design
High-momentum, low-air-ratio combustion coupled with SNCR








Existing Problems: Heat and working medium loss at the deaerator tower head and the common-pressure expansion vessels, with "white gas" negatively affecting company's public imageRenovation Effects: Recover heat and working medium for utilization, preventing discharge of the water vapor
Typical Case: Ningbo Project
Economic Analysis: Renovation expense $48.75k, annual profit $30.11k, return of investment 1.6 years (based on waste treatment capacity at 1,000t/d scale)








Technical Benefits: Mature calculation models for heat provisioning schemes

Service Advantages: Rich experience and free consultation

Economic Analysis: Renovation expense $1.63 million, anuual profit $1.29 million, return of investment 1.3 years (based on waste treatment capacity at 1,000t/d scale)






Technical Benefits: Three-dimensional heating, convenient renovation, flexible energy saving
Service Advantages: Tailored solutions, city-specific strategies
Value-added Benefits: Increased waste calorific value, enhanced power generation efficiency
Economic Analysis: Renovation expense $110k, annual profit $630k, return of investment 0.2 years (based on waste treatment capacity at 1,000t/d scale)





Case Example
Project Overview

Design Treatment Capacity: 2 × 300 t/d

Design Calorific Value: 5,800 → 8,000 kJ/kg

Rated Steam Generation: 22 → 28 t/h (under 400 ℃, 4.0 MPa)

Project Features

Delivery Cycle: Within 30 days after contract signing

Construction Period: 20 days

Renovation Effects

Annual treatment capacity increased by 33k tons; 

Direct benefits from newly added processing fees and power generations amount to $3.3 million

Grate Spare Part Replacement
Bag Filter Expansion
Auxiliary Combustion System Expansion
Induced Draft Fan Expansion
Ignition and Exhaust System Upgrade
Flue Gas Preheater Replacement
Soot Blower Modification
Air Leakage in Flue Duct Elimination
Renovation Effect

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