Shenguang Manufactures China First Single-Stage Overhung Integrally Geared Centrifugal Compressor

Recently, MCC Saidi Baosteel Zhanjiang Steel's near-zero-carbon production line achieved a major breakthrough: the hot direct reduction iron pneumatic conveying project was fully operational! The single-stage cantilever integrated centrifugal compressor provided by Shenyang Blower Works, serving as the sole "power source" for the pneumatic conveying circulation system, facilitated the project's successful commissioning, propelling metallurgical processes away from reliance on traditional fossil fuels and setting a demonstrative benchmark for the steel industry's green transformation.

The special significance of this zero-carbon steelmaking production line lies in its complete domestic production process. The first domestically built 1 million-ton-class hydrogen-based vertical shaft furnace with an electric arc furnace hot conveying system, from the hydrogen-based vertical shaft furnace process to core dynamic equipment, represents a collaborative effort between Zhanjiang Steel, MCC Saidi, and Shenyang Blower Works, completely breaking the dependence on foreign technology. For the industry, this means that hydrogen metallurgy is no longer an expensive experiment of "imported equipment + foreign processes," but a Chinese solution that can be learned from and promoted.

The shift from "carbon metallurgy" to "hydrogen metallurgy" represents a fundamental revolution in smelting principles, albeit with a single word difference. A near-zero carbon production line refers to a green production line employing a short-process smelting technology combining a hydrogen-based vertical shaft furnace and an electric arc furnace. Unlike the traditional long-process "blast furnace + converter," it uses hydrogen instead of carbon as a reducing agent, reducing carbon emissions at the source. This project is expected to reduce carbon emissions by 50%-80%, potentially reducing CO2 emissions by over 3.14 million tons annually, equivalent to creating 2,000 square kilometers of forest.

Hydrogen metallurgy technology has long been monopolized by foreign technology, with the core challenge lying in the dual challenges of complex operating conditions and limited space. This project requires each compressor unit to cover six typical operating conditions, covering a wide range of applications; simultaneously, the limited on-site space necessitates a high degree of integration.

Shenyang Blower Works' technical team specifically adopted a high-efficiency, wide-range impeller design, significantly improving variable efficiency; the integrated skid-mounted solution further reduces the footprint, maximizing power output within a limited space. "This isn't a simple application of standard products; it's a complete customization process, from aerodynamic design to structural layout," revealed the client's project manager. The Shenyang Blower Works (Shenyang Blower) team repeatedly optimized the unit to address the unique properties of nitrogen, ultimately delivering a unit that became the "power heart" approved by the client.

Furthermore, facing a contract delivery period of only six months, Shenyang Blower Works scheduled production ahead of schedule and coordinated efforts to ensure early shipment. During the installation phase, the service team was on-site to coordinate and respond promptly to any issues, providing full support for project milestones, demonstrating the unique advantage of domestically produced high-end equipment in terms of response speed.