Categories Gas Compressors, High Pressure Injection Units Tag Co2 pressure booster
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The Co2 compressor injection station aims to supply stable high pressure carbon dioxide for plastic molding or supercritical Co2 extraction. In plastic injection molding or plastic microcellular foaming process, carbon dioxide acts as the foaming agent. The precise injection of carbon dioxide at the required pressure determines the quality of plastic products. This carbon dioxide compressor can complete pressurizing Co2 and precisely injecting Co2 in one go. To be specific, the Co2 compressor will boost carbon dioxide to high pressure liquid phase, and then inject stable high-pressure Co2 into plastic injection molding machine or plastic extruder. It can also boost Co2 to supercritical state and inject it into autoclave for supercritical extraction.


This carbon dioxide compressor consists of carbon dioxide booster, gas buffer tank, digital pressure controller, pressure sensor, pressure reducing valve and pressure gauges. Its working principle is as follows: First, the machine pressurizes carbon dioxide into high-pressure liquid carbon dioxide. Then, the pressurized carbon dioxide is stored in the gas buffer tank to eliminate pressure pulsations and form a high-pressure carbon dioxide reserve. When needed, simply adjust the pressure reducing valve to the required pressure to obtain a stable carbon dioxide flow rate. The digital pressure controller will manage carbon dioxide booster automatic start-stop, ensuring that there is always sufficient Co2 in gas buffer tank.




As well known, carbon dioxide serves as the foaming agent in plastic injection molding or plastic extrusion foaming. The Co2 compressor can pressurize carbon dioxide to high pressure, and then precisely inject carbon dioxide into the molten plastic raw materials to generate countless bubbles to expand the plastic material to a saturated state, thus forming a foam-like material. In a word, this Co2 compressor can help you inject high-pressure liquid Co2 at a constant pressure. If you want to precisely regulate liquid Co2 injection volume, you need to add a carbon dioxide metering pump, which can inject high-pressure liquid Co2 at a constant flow rate.


Supercritical fluid extraction typically uses supercritical carbon dioxide as a solvent to extract specific components from liquids or solids. This carbon dioxide compressor is able to efficiently boost low-pressure carbon dioxide to a supercritical state, no matter of your carbon dioxide source is gaseous or liquid. You simply adjust the pressure reducing valve to a desired pressure, and the machine will output supercritical carbon dioxide at a constant pressure and inject it into the reactor. For precisely controlling liquid Co2 injection volume, you need to add a Co2 metering pump that can inject high-pressure liquid Co2 at a constant flow rate.
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