Cowhide Granule Freezing Pulverizer
Introduction
The cowhide granule freezing pulverizer is an industrial machine used to grind tough materials such as cowhide or leather into smaller pellets or powders. It uses freezing technology to make the material brittle, making it easier to break down into fine particles. Before crushing, the hide or leather is pre-cooled, usually with liquid nitrogen or other cryogenic methods. The freezing process makes the material more brittle, less elastic and easier to grind without excessive wear on the machine, and the frozen material is sent to a crusher, where it is pulverized to break it into smaller pieces or particles.
Cow skin is rich in collagen and other nutrients. When pulverized with an ordinary grinder at room temperature, the heat generated by mechanical cutting and friction may denature collagen and other components. The cowhide granule freezing pulverizer works in a low temperature environment, and the temperature of liquid nitrogen is extremely low, about -196 ° C, which can quickly freeze the hide. At this low temperature, the heat generated by the crushing process is absorbed by liquid nitrogen, which greatly reduces the destruction of nutrients such as collagen, thus better retaining the nutritional value of the hide.
Material Characteristic
Cowhide powder is usually a fine powder of light yellow or off white color, mainly composed of cowhide peptides. Cowhide powder can be used as a food additive, feed additive, and cosmetic raw material. Cowhide contains components such as fat and protein, which can easily undergo oxidation reactions with oxygen in the air during the process of crushing at room temperature. Oxidation reaction not only causes color changes and odor in cowhide, but also reduces its quality. The liquid nitrogen freezing environment can effectively isolate oxygen, prevent oxidation of cowhide during the crushing process, and maintain the original characteristics of cowhide.
Technical parameters
| Model | WF-200 | WF-350 | WF-450 |
| Capacity(mm) | φ200 | φ350 | φ450 |
| Rotary Speed(kw) | 11.25 | 43.25 | 54 |
| Dia of Rotor | Liquid nitrogen | Liquid nitrogen | Liquid nitrogen |
| Motor Power(℃) | ≥-196 | ≥-196 | ≥-196 |
| Output Fineness(mesh) | 10-500 | 10-500 | 10-500 |
| Feeding Granularity(kg/h) | 30-100 | 80-500 | 100-800 |
| Size of input Granules(mm) | ≤8 | ≤8 | ≤8 |
| Maximum Revolution Speed of Spindel(rpm) | 0-6700 | 0-5200 | 0-4000 |
| Dimensions(mm) | 1700*1000*1650 | 2500*2000*2500 | 2800*2000*2700 |
FAQ
1. Q: What is the cowhide granule freezing pulverizer?
A: The cowhide granule freezing pulverizer is a machine designed to freeze and grind materials such as cowhide or other biological products into granules or fine powders by using liquid nitrogen. The low temperature causes the materials to become brittle, making them easier to crush into smaller particles without losing their properties.
2. Q: How does the liquid nitrogen freezing process work?
A: The cowhide granule freezing pulverizer uses liquid nitrogen, which has a temperature of around -196°C (-321°F), to rapidly freeze the material. When the material reaches the freezing point, it becomes brittle and is then mechanically pulverized into fine powder or granules using grinding mechanisms such as hammer mills or cryogenic mills.
3. Q: What types of materials can be processed by this pulverizer?
A: This type of pulverizer can process a wide variety of materials, including but not limited to: cowhide and leather for the production of collagen peptides, gelatin, and other leather-derived products.
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