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Liquid nitrogen cryogenic grinder
Liquid nitrogen cryogenic grinder is widely used in polytetrafluoroethylene Nylon: (PA11, RA12, PA4/6, PA6/10, PA6/6, PA6/9, POMPCPETPBTPPO); Special
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Liquid nitrogen cryogenic grinder is widely used in polytetrafluoroethylene Nylon: (PA11, RA12, PA4/6, PA6/10, PA6/6, PA6/9, POMPCPETPBTPPO); Special engineering plastics Color masterbatch: FR, TPU, PSU, PPS, PEEK, PIM, VHMWPE; General plastics: PVC, PE, PP, PS, AS, ABC; Food additives: oily materials such as pepper, Sichuan peppercorns, chili peppers, mustard seeds, etc. biology Chinese medicinal herbs: Ganoderma spore wall breaking, licorice, antelope horn, seahorse, fish skin, fish scales, fish bones, shrimp shells, turtles, etc; Fine Chemicals: Heat sensitive materials such as pipeline anti-corrosion powders, rubber, powder coatings, etc.
ForFor customers who cannot be crushed at room temperature and have high material quality requirements, this liquid nitrogen cryogenic grinder is an ideal choice.
(1) The liquid nitrogen cryogenic grinder mainly consists of a pre cooling chamber Feeding screw, host, feeding fan, cyclone separator, pipeline, electrical control cabinet Liquid nitrogen tank, liquid nitrogen connecting hose Composed of equal parts.
（2）The entire process is fully automated, made of stainless steel, compact in structure, and the interface flange is clamped for easy and fast disassembly and cleaning. Liquid nitrogen is used and adjusted according to the material
(3) The control cabinet has a temperature control meter indicating, and excess liquid nitrogen during use is automatically recovered into the main crushing chamber for recycling and cost reduction.
- Structural composition of cryogenic crusher
2. Use a spiral feeder to feed the material that has reached cooling embrittlement into the crusher chamber.
3. The independent rolling pair ensures the normal operation of the machine in low-temperature environments, and the refrigerant re injection compensation offsets the heat generated during the material crushing process. The injection amount of refrigerant is adjusted through a low-temperature valve, and the high-pressure airflow generated during material crushing and the expansion airflow of refrigerant due to pressure loss are discharged from the machine chamber through the rotating window of the static classifier of the crusher. After the material is crushed to the required fineness, it enters the discharge system along with the airflow. The coarse material collides with the stationary classifier blades and bounces back into the crusher chamber, achieving the coarse step classification effect.
4. By using an induced draft fan to send the material along with the expanded airflow into the outer classifier, and adjusting the speed of the classifier impeller, we can achieve the desired fineness. The use of an external classifier reduces the time required for material reheating during screening, minimizes labor, shortens production cycles, and reduces usage sites for users. The crushed materials can be directly packaged and transported.
5. After classification, the coarse material is fed into the feeding mechanism through a pipeline and enters the crusher for re crushing. The fine material enters the cyclone separator, which separates the material from the air and deposits it at the bottom of the cyclone separator through rotation.
6. The inclined angle discharge system is used for discharging, and the inclined spiral discharge system ensures that the air in the cyclone separator does not flow out from the discharge port.
7. The gas mixture containing rare material particles flowing out from above the cyclone separator re enters the second cyclone separation, and the final separation will transport the air flow with a certain cold source effect through the pipeline to the feed inlet of the crusher host.
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