OMEXELL fully welded plate heat exchangers feature a fully welded, gasket-free design with wide-gap flow channels (5–40 mm). They are widely applicable in industries such as metallurgy, alcohol production, petroleum, chemicals, sugar refining, and papermaking, for heating or cooling process fluids containing large amounts of solid particles, fibrous suspensions, viscous substances, or high-temperature media. The units offer the following technical characteristics: high temperature and high pressure resistance (design temperature: –30 °C to 500 °C; design pressure: vacuum to 3.5 MPa), anti-fouling and easy cleaning, as well as high efficiency and compactness. The plates are available in 316L stainless steel, 2205 duplex stainless steel, nickel and nickel alloys, and Hastelloy alloys, making them suitable for strong corrosive media such as acids, alkalis, seawater, and chloride ions.
To address three different heat transfer scenarios – liquid-to-liquid, gas-to-liquid, and gas-to-gas – we have developed dedicated models, each precisely solving the heat exchange challenges of its respective industry.
1. Liquid-to-Liquid Dedicated Model – The ultimate solution for highly viscous and fouling-prone media
Specifically designed for heat exchange between two liquid media, this model perfectly resolves the industry pain points of high viscosity, particulates, fibers, and scaling. During operation, the two liquids flow in countercurrent through independent channels, rapidly transferring heat via specially designed corrugated plates. The two media never come into contact with each other, and the fully welded, gasket-free construction ensures zero leakage. The flow channels feature a widened, contact-free design that allows various viscous slurries to pass smoothly, while the turbulent flow design guarantees efficient heat transfer – far surpassing traditional shell-and-tube heat exchangers in thermal performance.
With high temperature and high pressure resistance, and the availability of different alloy materials to match the corrosiveness of the medium, this model offers an exceptionally long service life. It delivers smooth, clog-free operation, high energy efficiency, and significantly reduced cleaning and maintenance frequency – saving both time and money.
2. Gas-to-Liquid Dedicated Model – The all‑rounder for waste heat recovery
A popular choice for industrial waste heat recovery, this model features gas on one side and liquid on the other, striking an optimal balance between heat exchange efficiency and operational stability. It is suitable for the vast majority of gas‑to‑liquid heat transfer applications. Whether it is high‑temperature flue gas, process tail gas, compressed air, or ordinary hot air, it efficiently exchanges heat with water, thermal oil, or process liquids. To address the common issues of dust accumulation and high flow resistance in gases, the gas‑side channels are widened and the corrugation structure is optimized to significantly reduce pressure drop while effectively preventing dust build‑up and fouling. The liquid side retains a high‑efficiency heat transfer structure, ensuring rapid and thorough heat exchange.
The fully welded construction offers excellent high‑temperature resistance and sealing integrity, eliminating the risk of medium leakage. Whether for waste heat recovery from boilers, kilns, or incinerators, compressor waste heat utilization, or process tail gas condensation and hot air heating, this model can handle it all – turning waste heat into a valuable resource and effectively reducing enterprise energy costs.
3. Gas-to-Gas Dedicated Model – The specialist for high‑temperature gas heat exchange
Developed specifically for heat transfer between two gas media, this model solves the industry challenges of low gas‑side heat transfer coefficients, high temperature resistance requirements, and susceptibility to dust accumulation and clogging. Both sides feature widened flow channels to ensure smooth passage of air, flue gas, and process inert gases with minimal pressure drop. At the same time, enhanced heat transfer corrugated plates compensate for the inherently low heat transfer coefficient of gases, achieving efficient thermal exchange. The fully welded sealed structure delivers outstanding high‑temperature performance, maintaining stable operation even under high‑temperature exhaust gas or sterile hot air conditions – with no air or heat leakage. It can also safely handle toxic, flammable, or explosive gas heat exchange scenarios.
With a compact structure, small footprint, low dust accumulation, and easy cleaning, this model is widely used in waste heat recovery from incinerators and RTO systems, hot air preheating for metallurgical heating furnaces, exhaust air/fresh air heat exchange in drying systems, and sterile hot air heat exchange in the food and pharmaceutical industries. It efficiently recovers gas‑phase waste heat, supporting enterprises in their energy‑saving and emission‑reduction efforts.
All three of the above heat exchanger models feature a fully welded, gasket‑free design, eliminating the troubles of gasket aging and leakage. They offer compact construction, minimal footprint, and easy installation. Compared with traditional heat exchange equipment, they deliver higher heat transfer efficiency, require less maintenance, and provide a longer service life – perfectly adapting to the most demanding heat transfer conditions across various industries. They are your ideal choice for industrial heat exchange!