Several ways to clear silos
Silo clearance is a common problem in grain storage, due to long-term storage and material deposition, a large number of impurities and dust will accumulate in the silo, which not only affects the quality of materials, but also may cause safety problems. In order to keep the silo clean and safe, regular clearance work is required. Here are a few common silo clearance methods:
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1. Mechanical clearance.
Mechanical clearing is a common clearing method, which mainly uses various mechanical devices to clean. According to the structure of the silo and the different materials, different mechanical devices can be adopted. For example, for granular materials such as wheat and corn, equipment such as special cleaning screens and vacuum cleaners can be used to separate impurities and dust. For powdery materials, compressed air can be used to blow the material out, while the dust is filtered out with a filter. The advantages of mechanical cleaning are high efficiency and speed, and it is suitable for large-scale cleaning work. However, there are also some disadvantages of mechanical clearance, such as the possibility of damaging the structure of the silo and the poor adaptability to different materials.
2. Manual clearance.
Manual clearing is a more traditional method, which is mainly carried out through manual cleaning and handling. This method is suitable for small silos or for the clearance of specific materials. The advantage of manual cleaning is that it can be cleaned according to the characteristics and structure of the material, and the structure of the silo will not be damaged. However, the speed of manual clearing is slower, the efficiency is lower, and the labor intensity is larger, and it takes a lot of manpower and time.
3. Hydraulic clearing.
Hydraulic cleaning is a relatively novel method, which mainly uses the power of water flow to wash away the materials. This method is suitable for the clearance of granular and powdery materials. The advantage of hydraulic cleaning is that it will not damage the structure of the silo and can be cleaned relatively cleanly. However, hydraulic cleaning requires a large amount of water resources and a large amount of wastewater treatment, which has high requirements for environmental protection.
Fourth, gas clearance.
Gas cleaning is a special method, mainly by filling the silo with inert gas or chemical gas, so that the material is dormant or chemically reacted, so as to clean it out of the silo. This method is suitable for specific materials and specific occasions. The advantage of gas cleaning is that it can avoid mechanical damage to the material, and at the same time, it can handle some materials that are difficult to clean. However, gas cleaning requires a lot of gas resources, as well as special equipment and conditions.
To sum up, the above methods have their own advantages and disadvantages, and they need to be selected according to the specific situation in practical application. Generally speaking, for large-scale inventory clearance, mechanical or hydraulic cleaning can be used; For the cleaning of small silos or specific materials, manual cleaning or gas cleaning can be used. Regardless of the method used, it is necessary to pay attention to safety issues and prevent accidents. At the same time, it is also necessary to pay attention to environmental protection issues and reduce environmental pollution.