We have the capability and knowledge of

Providing top quality spares
Its related services
Aftermarket assistance

Trustwell is widely recognized as the leader in the design and production of highest-quality Cast-Iron, Plate Type & Steam coil Air Preheaters. Customers from all over the world reach out to us for the design, construction, and maintenance of air preheaters for numerous applications. Our customer base enjoys an optimal level of heat recovery with the unparalleled life span with our air preheater Our air preheaters are specifically designed to work within the most difficult circumstances (high particle and/or dust densities, acid flue gases, and so on). Our R&D department is continually operating to enhance our products so they will meet these stringent necessities a lot efficiently.
Our in depth field experience, in-house testing department, and dedicated high-performing technical Collaboration assets for our engineering. Once used beneath design conditions and/or monitored for deviations from design, our instrumentation has an exceptional operational lifetime.
Trustwell develops fuel efficient products for a wide range of end users. Installing an air heater in your system reduces fuel consumption by 10-25% by recovering and recycling exhaust heat. It also helps to reduce Co2 Emission, allowing us to realise our vision of reducing our carbon footprint.

Applications:

Furnace oil fired boilers.
Carbon black plant waste heat recovery.
Oil fired thermic fluid heaters.
Oil fired metallurgical furnaces.
High sulphur fuel fired boilers like: pet coke, industrial waste slurry, MSW etc.
H2SO4 making process.
SO2 making process - like sugar industry, etc.
Oil fired engine-generator sets.
Biogas (containing H2S) fired engine-generator sets.
Solid fuel fired boilers with sulphur at lower temperature end.
Oil fired thermic fluid heaters.
Oil fired furnaces - metallurgical industry.
Fired Heater in oil - refineries.

The heat transfer surface is made of rectangular, finned, cast-iron tubes. These tubes are stacked vertically next to each other to form rows, then the various horizontal rows on top of each other form a single module. The gasket between the tubes ensures tightness, due to the differential expansion of the materials of construction. Our sealing system ensures almost negligible leakage.Stack the modules together to create a multipath deployment, depending on your specific project requirements.
In most applications, the flue gas flows vertically down over the tubes while the air flows in a cross-countercurrent into the tubes. Since tubes are attached to each other or to the structural steel of the module by bolts, they can be replaced individually, avoiding the replacement of an entire module or the complete air preheater. This is a big advantage over our competitor.

Why Trustwell:

Expertise in design and development which studies requirements and provides the best feasible solution for maximum efficiency.
Strong Technical Team to help with best configurations like vertical, horizontal & combination, parallel flow, cross flow & combination flow.
Associated Foundries which uses “New Age Thermocol mould Technology For Casting”.
The casting used provides Corrosion Resistance,High Heat Conductivity, Elasticity, Corrosion and Wear resistance.
The tubes are assembled inside a frame and checked for leakage.Gaskets are used on all mating parts to ensure that no leakage takes place.
Careful check for gas pressure drop with optimum heat transfer coefficient need to keep low pressure drop to satisfy system design.
Tailor made design to ensure easy erection at site and easy for maintenance.
All CI APH are shop-assembled and checked for leakage before shipping.
Contributes to a significant increase in boiler efficiency.

We offer Compact Plate Type Air Preheaters for Flue Gas Heat Recovery in clean service. These heat recovery equipment are popular among customers who require high performance in a small space. The modular construction of the Heat transfer surface provides a lightweight and compact option.
Some of the key features of our offering are its small footprint and ability to manage Design Heat Duties within the available space envelope. Our design and development team regularly uses cross-flow and counter-current flow to provide the most cost-effective designs.The unique sealing systems provide negligible leakages.

Why Trustwell:

Expertise in design and development which studies requirements and provides the best feasible solution for maximum efficiency.
Strong Technical Team to help with best configurations like vertical, horizontal & combination, parallel flow, cross flow & combination flow.
Careful check for gas pressure drop with optimum heat transfer coefficient need to keep low pressure drop to satisfy system design.
Modular Construction hence Higher Heat Transfer can be achieved with lightweight and compact design.
Robust Design verifies very less pressure drop ensuring less pressure on ID fans.
A facility that is well-equipped for the production, assembly, and testing of Plate Type AirPreheater.
Check for various part loads - to confirm safe operating range. Keep tube metal temp. below dew point in all operating cases.
Contributes to a significant increase in boiler efficiency.

The main purpose of the SCAP is to heat the combustion air before it enters the air intake. We offer tailor made design for the SCAP system that helps to protect the preheater from corrosion and keeps the average cold end emission temperature above the minimum required.
Due to the modular construction Boiler efficiency and calorific value have been well documented over the years.

Our Strengths:

Our strong technical team provides efficient tube dimensions, Number of rows, fins, fin thickness, tube supports and mounting. Everything is studied and feasible solutions are provided.
Expertise in design and development which studies requirements and provides the best feasible solution for maximum efficiency.
We Provide very feasible construction for drainage and ventilation systems.
Modular design of SCAP makes it easy to maintain.
Contributes to a significant increase in boiler efficiency.
Careful selection of “fins” for specific process conditions.
Use of highly proven correlations for heat transfer and pressure drop calculations.
Careful check for gas pressure drop with optimum heat transfer coefficient need to keep low pressure drop to satisfy system design.
Check for various part loads - to confirm safe operating range. Keep tube metal temp. below dew point in all operating cases.
Ease of installation, operation and maintenance in available space.