{"id":5609,"date":"2024-04-10T08:23:56","date_gmt":"2024-04-10T05:23:56","guid":{"rendered":"https:\/\/kopar.fi\/?page_id=5609"},"modified":"2026-09-21T10:28:32","modified_gmt":"2026-09-21T07:28:32","slug":"pressure-injection","status":"publish","type":"page","link":"https:\/\/kopar.fi\/en\/pneumaattinen-kuljetus\/injektointi\/","title":{"rendered":"Injection"},"content":{"rendered":"
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\n\t\t\t\t\tCrushing & Screening & Feeding \/ Injection \t\t\t\t<\/p>\n\t\t\t\t

Pressure Injection Systems for Smelters<\/h1>\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
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Kopar has developed a pressure injection system for the controlled feeding of powdered materials into molten metal. The solution is used in both copper and nickel smelters as well as in the steel industry, and it is designed to withstand even the most challenging conditions.<\/p>\n<\/div>\n\n\n\n

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Interested? Contact:<\/div>\n\t\t\t\n\t\t\t\"Eero\n\t\t<\/picture>\n\t\t
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Eero Lehtil\u00e4<\/h3>\n\t\t

Director, Technology<\/p>\n\t\t

\n\t\t\teero.lehtila@kopar.fi<\/a>\t\t<\/p>\n\t\t

\n\t\t\t+358 41 5439786<\/a>\t\t<\/p>\n\t<\/div>\n<\/section>\n<\/div>\n<\/div>\n\n\n\n

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Solution for molten metal treatment and metal recovery<\/h2>\n\n\n\n

With our injection device concept, various powdered materials can be fed directly into molten metal. Substances that can be injected include, for example, carbon, silica and other additives required in the process. The same basic concept lends itself to numerous applications in copper and nickel smelters as well as in the steel industry.<\/p>\n\n\n\n

Typical applications in the steel industry include top injection into the ladle during ladle treatment, as well as injection through the roof of the electric arc furnace. This allows carbon to be added to the melt, oxygen to be removed, or the chemical composition of the melt to be otherwise adjusted according to process requirements. <\/p>\n\n\n\n

In copper and nickel smelters, injection is a particularly useful method for the recovery of valuable metals. The injection of sulphur-bearing concentrate into an electric furnace alters the chemical process taking place within the furnace, which leads to a lower liquidus temperature of the metal phase and thereby improves metal recovery. Furthermore, tapping the molten metal from the furnace becomes easier. This process step is crucial in improving the overall efficiency of smelting.<\/p>\n\n\n\n

Another example is the injection of fluxing materials (such as silica, or soda-lime mixture) into the copper melt to remove impurities such as lead and arsenic in the copper fire refining process.<\/p>\n\n\n\n

Pressure injection is a unique system that combines scales, a feeder, and specially developed control automation with a pressure conveyor. This equipment ensemble, along with high transport pressure and an injection lance, enables the injection of material into molten material.<\/p>\n\n\n\n

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System structure and injection lance<\/h2>\n\n\n\n

The injection system consists of a pressure vessel, rotary valve, transport piping and injection lance. The complete assembly is always dimensioned according to the material to be injected, capacity requirements and process conditions.<\/p>\n\n\n\n

The injection lance is the part of the system that works directly beside the molten metal. The lance is controlled remotely from a safe distance, so injection does not require working in the immediate vicinity of the furnace or ladle. This improves occupational safety while also making the process more repeatable.<\/p>\n\n\n\n

The height of the lance is adjusted precisely, keeping the injection depth controlled from charge to charge. The structure is designed to withstand high temperatures and abrasive conditions. The system can be operated using its own control panel or integrated into the plant's control system, allowing the injection to be managed as part of the overall process control.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n

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Key Features of Kopar's Pressure Injection Systems<\/h2>\n\n\n
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  • Advanced pneumatic transport:<\/strong>The system is based on proven high-pressure conveying technology, ensuring efficient material handling even in the most demanding environments. <\/li>\n\n\n\n
  • Robust equipment:<\/strong>Designed to withstand high temperatures and abrasive conditions, our pressure injection systems feature durable components such as pressure vessels, rotary valves, and movable injection lances   <\/li>\n\n\n\n
  • Precise Control:<\/strong> With adjustable height mechanisms and sophisticated control systems, our pressure injection equipment allows for precise and consistent injection of materials into the molten bath  <\/li>\n\n\n\n
  • Proven Technology:<\/strong> Kopar's pressure injection systems have been successfully implemented in various smelters worldwide <\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n
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