About Product

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Tailored for low-pressure and low-temperature steam conditions 0.9 MPa / 325℃, perfectly matching waste heat boilers in cement plants, steel mills, and other industrial facilities Delivers stable 4500kW 4.5MW power generation, converting waste heat into usable electricity to reduce factory energy costs and carbon footprint
Operates with a low exhaust pressure of 0.008 MPa(a), maintaining high vacuum to maximize thermal efficiency and power output from low-grade waste heat
Manufactured by Hangzhou Chinen Steam Turbine HCTC, a trusted supplier in the waste heat recovery industry, with a proven track record of stable performance
Rated speed of 3000 r/min directly drives generators, fully compatible with standard 50Hz power grids for seamless integration
Equipped with overspeed protection trip speed 3270-3330 r/min and a reliable speed control system to ensure continuous and safe operation
Offers industrial-grade performance at a significantly lower cost than new equipment, ideal for budget-conscious energy-saving and emission-reduction projects
The complete turbine unit is prepared for installation, minimizing on-site assembly time and accelerating your project timeline
Features a robust and simple structure optimized for harsh industrial environments, with easy routine maintenance and a long service life
Helps industrial facilities meet sustainability goals by utilizing waste heat, reducing reliance on grid power and lowering overall carbon emissions

 

About Us

Insun Industry Co., ltd. specializes in recycling, trading, and providing equipment for heavy industries, particularly in construction, cement, concrete, chemical, and power sectors. Our product portfolio includes vertical mills, ball mills, rotary kilns, roller presses, concrete batching plants, gypsum plants, and related machinery or spare parts. With extensive EPC project experience, we deliver complete production lines, from raw material crushing and grinding, to calcination and final product processing. We also provide professional services in dismantling, painting, packing, shipping, and on-site installation with technical guidance worldwide. In the energy sector, INSUN covers HFO, biomass, coal, wind, hydro power plants and their supporting equipment. Committed to ONE-STOP SERVICE, we ensure seamless solutions from equipment supply to project execution.

               

FAQs

What industry sectors can you serv

You can get comprehensive solutions for your heavy industry needs, including construction, cement, concrete, chemical, and power sectors

What core equipment can you provide for your projects

You can get vertical mills, ball mills, rotary kilns, roller presses, concrete batching plants, gypsum plants and related spare parts

What energy sector solutions can you offer

You can get equipment and support for HFO, biomass, coal-fired, wind, and hydropower plants, along with supporting infrastructure

Can you provide EPC turnkey solutions for your projects

You can get complete turnkey production lines, covering raw material crushing, grinding, calcination to final product processing

Is your service available for your overseas projects

You can get professional services worldwide, including dismantling, packing, shipping, on-site installation and technical guidance

How do you handle logistics for your overseas orders

You can rely on our experienced logistics team to handle sea/air freight, customs clearance and all necessary documentation

How can you get a quote or project consultation

You can contact our international sales team via email or the "Request a Quote" form on our website for a prompt response

Can you get customized solutions for your unique project needs

You can get customized solutions tailored to your production capacity, site conditions and budget requirements

Insun presents a Used 4.5MW PLC-Controlled Waste Heat Recovery Plant designed specifically for cement and steel plants seeking low cost, high efficiency industrial power generation. This system leverages proven waste heat recovery engineering combined with PLC-controlled WHR automation to deliver a robust, reliable, and cost-effective solution for plant operators. The plant is optimized for the cement industry power context and broader industrial CHP trends, offering measurable fuel savings, reduced emissions, and improved overall plant economics.

Product Overview and Key Benefits

The Insun 4.5MW PLC-Controlled Waste Heat Recovery Plant recovers thermal energy from high-temperature flue gases and process streams to generate electricity and useful steam. As a used unit refurbished to rigorous Insun standards, it provides immediate capital savings while maintaining high performance. The PLC-controlled WHR system integrates advanced controls that enable precise process matching, dynamic load response, and seamless synchronization with existing plant power systems

Design Features and Innovation

This PLC-controlled WHR solution emphasizes simplicity and scalability. Core components include a high-efficiency heat recovery boiler, economizer sections, an advanced organic or steam Rankine cycle turbo-generator (configured based on site conditions), and a PLC-based control and monitoring suite. The PLC-controlled WHR architecture allows for adaptive operation across variable waste heat sources, making it especially suited to the intermittent thermal profiles of cement and steel plants. In the context of cement industry power requirements, the plant’s ability to accept fluctuating heat inputs and maintain stable electrical output is a decisive advantage.

Automation and Control Advantages

Insun’s PLC-controlled WHR philosophy centers on reliability and operator-friendly control. The PLC unit performs continuous diagnostics, predictive protection, and optimized start-stop sequencing for the turbine and auxiliary systems. Remote HMI access and SCADA compatibility allow integration into existing plant control systems, supporting the wider industrial CHP trends of centralized monitoring and data-driven optimization. The PLC control reduces manual intervention, shortens commissioning time, and ensures repeatable performance over long service intervals.

Performance and Efficiency

As a 4.5MW unit, this waste heat recovery plant offers an ideal capacity match for medium to large cement and steel operations. The system recovers significant portions of available waste heat, converting thermal energy into electrical power and sometimes supplementary steam for process use. The PLC-controlled WHR enables the unit to operate at high thermal-to-electric conversion efficiencies under varying load conditions, aligning with industry expectations for improved energy utilization. In terms of cement industry power strategies, the plant contributes to lowered specific energy consumption per ton of clinker or steel produced, delivering both immediate and long-term cost benefits.

Application Scenarios in Cement and Steel Plants

In cement plants, flue gases from the kiln, preheater, and cooler zones present ideal heat sources for waste heat recovery. The Insun PLC-controlled WHR plant can be coupled to these points to capture and convert heat that would otherwise be wasted. For steel plants, particularly those with high-temperature off-gases from sinter, blast furnace, or basic oxygen furnace processes, this WHR solution can be applied to improve site energy self-sufficiency

Economic and Environmental Impacts

Selecting a used Insun 4.5MW PLC-Controlled Waste Heat Recovery Plant delivers compelling economics: lower capital expenditure compared with new equipment, reduced fuel purchases, and immediate operational savings. The plant reduces greenhouse gas emissions by offsetting grid-generated electricity and lowering fossil fuel consumption. These environmental improvements align with corporate sustainability targets and regulatory pressures within the cement industry power domain and wider industrial CHP trends

Technical Highlights

- PLC-controlled WHR with modular automation logic for flexible operation and simplified maintenance.

- 4.5MW generation capacity suitable for medium-to-large process plants looking to enhance cement industry power strategies or industrial CHP trends deployment.

- Heat recovery boiler and economizer design optimized for high-temperature cement and steel off-gases.

- Turbo-generator options tailored to site-specific conditions for optimal thermal-to-electric efficiency

Operational Flexibility and Reliability

The PLC-controlled WHR plant is engineered to handle the operational realities of cement and steel production: variable heat flows, intermittent shutdowns, and harsh exhaust conditions. The PLC delivers responsive control logic for load-following and rapid stabilization, while robust mechanical components withstand abrasive particulates and high-temperature corrosion. The combination of proven heat recovery technology and advanced PLC control improves uptime and maximizes the value recovered from process heat, reflecting current industrial CHP trends toward resilient onsite generation.

Why Choose Insun’s Used 4.5MW PLC-Controlled Waste Heat Recovery Plant

Choosing Insun’s used PLC-controlled WHR solution balances immediate capital savings with durable performance and technical support. For companies focused on cement industry power improvements or pursuing industrial CHP trends, this plant provides a practical pathway to reduced energy costs and lower emissions without the lead times associated with new builds. Insun’s refurbishment, testing, and commissioning protocols ensure the PLC-controlled WHR plant integrates effectively and operates reliably within demanding industrial environments.

The Insun Used 4.5MW PLC-Controlled Waste Heat Recovery Plant delivers a strategic, cost-conscious approach to converting waste heat into productive energy for cement and steel plants. By combining established waste heat recovery components with advanced PLC-controlled WHR automation, this offering meets the needs of modern cement industry power programs and aligns with industrial CHP trends. Insun supports full lifecycle deployment, ensuring that operators realize immediate savings, long-term efficiency gains, and measurable environmental benefits.