Brazed aluminum heat exchangers are at the heart of our standard and modular plant solutions for small- and mid-scale LNG and cryogenic nitrogen rejection. Nitrogen Rejection Units Chart cryogenic nitrogen rejection units can be integrated with helium recovery, NGL extraction, LNG and/or LIN
Technical field. The present invention relates to aluminum plate-fin heat exchanger, be specially a kind of vacuum braze welding process method of aluminum plate-fin heat exchanger. Background Heat Exchangers Triumph GroupCurved vacuum brazed heat exchanger are used in both tube bundled and plate fin designs. Available in aluminum, stainless steel and inconel. Plate Fin Heat Exchangers:Triumph has an extensive legacy of custom vacuum brazed plate fin heat exchangers found in engine bleed air, electronic cooling, oil-to-fuel heat transfer and other Aerospace and Defense applications. Triumph Thermal Systems designs and fabricates a wide range of custom plate fin heat exchangers
Since every system is unique, Aavid's aluminum plate fin heat exchangers are custom-designed. For maximum reliability, quality and cleanliness, Aavid vacuum brazes their plate heat exchangers. Aavid's plate fin heat exchangers can be designed for use with Plate Fin Heat Exchangers Boyd CorporationBoyds aluminum Plate Fin Heat Exchangers are custom-designed, as every system is unique. We vacuum braze our plate heat exchangers for maximum cleanliness, quality, and reliability. Through our numerically controlled process and robust fixtures, we assure complete metallurgical bonding between plate fins for rugged and leak-free operation.
Vacuum Brazed Aluminum Bar & Plate Heat Exchangers. TEMASYS Air-Cooled Heat Exchangers feature an all-aluminum bar & plate design incorporating a variety of internal and external fin patterns to achieve optimal thermal efficiency. Aluminum bar and plate heat exchangers offer a rugged, compact, light-weight unit design ideal for cooling oil and compressed air on compressors when cooling water is Vacuum Brazed Cold Plate Manufacturer [Request Custom Jan 03, 2018 · Vacuum-brazed cold plates are created by machining two metal plates with interior channels and fin structures (often folded fins and skived fins), which are then carefully sealed together inside a vacuum chamber. A filler metal with a lower melting point is melted into the joints of the cold plate via capillary action.
The furnace profile specifies the temperature, vacuum level, and cycle time. Brazing of cold plates and heat exchangers usually takes place at approximately 1100°F (593°C) and a vacuum level between 5 to 6 Torr. However, the profile depends in large part on alloys selected, total mass in the furnace, and the vacuum furnace being used. Vacuum Brazing of Aluminum Cold Plates and Heat ExchangersAluminum vacuum-brazed cold plates consist of corrugated aluminum fin brazed into a cavity between two aluminum plates. Plate-fin heat exchangers have fin-filled passages that are separated by flat plates. The fin is brazed to the plates, which are multi-layer aluminum sheets with braze alloy on both sides. The braze alloy that is selected for plate-fin heat exchangers depends on the base
The matrix assembly is brazed in a vacuum furnace. The brazing process is highly complex and rigorously controlled to ensure a bond between each fin and corresponding plate. Even in a small heat exchanger that means millions of brazed joints. Each one is formed through capillary action as the brazing
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