Cryogenic Fan For Magnet Pre-cooling

Product Description

 

The cryogenic fan for magnet pre-cooling is a centrifugal fan that circulates cold helium gas to pre-cool superconducting magnet systems toward their operating temperature before energization. It transfers cooling capacity from the refrigeration source to the magnet in a closed loop, with a working temperature range of 4–350 K, a helium volumetric flow of 45 m³/h, a head of 260 m and an adjustable speed of 9,000–18,000 rpm. The same structure has been successfully applied to hydrogen gas circulation, and additional performance models are under development. Pre-cooling requires the circulation rate to be controlled through the temperature range, and the adjustable speed range allows staged cooling without thermal shock to the magnet assembly. The closed-loop design retains the helium inventory while transferring cooling capacity from the refrigeration source. This staged approach is standard practice for large superconducting magnet systems. The fan can be configured for either initial cooldown or continuous circulation duty within the same machine family. Installation, operation and maintenance documentation is supplied with the machine.

Pre-cooling sequences are defined by the thermal budget of the magnet, so our engineering team reviews the cooling rate, flow and temperature requirements and confirms the speed range and interfaces before production. Adjustable speed supports staged pre-cooling without thermal shock. Turbo Energy can customize flow rate, head, operating temperature and connections, and manufacturing takes place in our ISO 9001, 14001 and 45001 certified facility in Hangzhou's Fuyang district with progress reporting at agreed milestones. The cooling rate, flow and temperature requirements are reviewed before production, and the speed range and interfaces are confirmed accordingly. Manufacturing takes place in our ISO 9001, 14001 and 45001 certified facility with progress reporting at agreed milestones. Technical documents, material certificates and test records can be provided per project agreement. The complete technical file is delivered with the machine for project acceptance.

Customization

 

Flow rate, head, working temperature, speed range and connections are customized around the pre-cooling sequence. OEM and build-to-spec cooperation supported after engineering review.

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Units ship in dedicated wooden crates with moisture, rust and shock protection and fixed internals. FCA or FOB terms are standard. Custom-engineered units have a typical lead time of 32 weeks from technical approval.

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