Pneumatic Conveying / Pressure Injection
Pressure injection for precise material handling
Pressure injection is the answer when a steady and controllable feed of materials is needed. Whether you require a heavy-duty solution or a lighter application, our designs adapt to your needs.
Our solution for pressure injection ensures that the pressure is always equal for both material inlet and outlet pipes. Even highly abrasive or materials with high viscosity can be fed with the required precision. The feeding valve which adjusts the material flow is of our own design, the Kopar Cupola Valve.
The pressure lance is designed to last in the most demanding environments. Made from carbon steel, it endures continuous heat and immense pressure.
If the material is molten, the feeding lance will gradually wear out. However, our engineering crew is trained to swap the feeding lance for a new one as smoothly as possible to make the production pause short.
Suitable usage cases for pressure injectors
Our pressure injection solution can be used in metallurgical processes, where sulfidic concentrates must be injected into the molten bath of the electric furnace through a submerged lance. The objective herein is to add sulfur, which decreases viscosity and lowers the liquid’s temperature and, eventually, increases metal recovery.
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Designed to last in the toughest conditions
Proper penetration is achieved with high-speed conveying
In the pressure injection, conveying with high speed (high linear momentum) is required to properly penetrate the fine solids into the slag. As the lance is submerged inside hot molten metal during the injection periods, it practically melts out in due time. Therefore, the lance height (position) must be adjusted frequently, and the lance must be extended by a new section occasionally.
Rotary valve for constant feed rate
The feed rate should be maintained reasonably high but constant. Therefore, accurate feeding under pressurized conditions is required. For this purpose, a rotary valve is needed. Under such conditions, the required pressure is kept practically equal on both sides of the rotary valve, i.e. in the pressure tank (sending vessel) and the conveying pipeline.
Test how Kopar pneumatic conveying products fit your production plans
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