With the development of industry, coal bunkers are more and more widely used in energy, chemical and other fields. However, due to the physical characteristics of coal and the influence of the working environment, the coal bunker is prone to problems such as uncanny coal and coal blockage, which not only affects the production efficiency, but also brings great economic losses to the enterprise. Therefore, it has become an urgent need to solve the problem of coal bunker and coal blockage. This article will analyze the causes of coal bunker and coal blockage, and introduce some methods and techniques for clearing and dredging.
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1. The reasons for the coal bunker and coal blockage.
The main reason for the coal bunker and coal blockage is due to the influence of the physical characteristics of the coal and the working environment. On the one hand, the physical properties of coal, such as particle size, humidity and viscosity, will directly affect its fluidity and looseness, which will lead to the occurrence of pengning coal and coal blockage. On the other hand, factors such as temperature, humidity, and pressure in the working environment will also affect the fluidity and looseness of the coal, thereby affecting the normal operation of the coal bunker.
Second, the methods and skills of clearing and dredging.
In view of the problem of coal bunker and coal blockage, the following methods and techniques can be adopted to clear and dredge:
1.Mechanical clearing and dredging.
Mechanical dredging is a commonly used method, which mainly uses various mechanical tools to remove and dredge coal. Commonly used mechanical tools include: plugging machines, dredging machines, vibrators, etc. When using mechanical clearing and dredging, it is necessary to pay attention to safety issues to prevent mechanical failure or operation errors that cause damage to personnel or equipment.
2.Air cannon clearing.
Air cannon dredging is a method that uses air pressure to remove and dredge coal. By injecting high-pressure air into the coal bunker, a strong shock wave is formed, which disperses the coal and blows the coal blockage, so as to achieve the purpose of clearing and dredging. When using air cannons to clear and dredge, it is necessary to control the air pressure and injection time to avoid excessive damage to the coal bunker.
3.Chemical clearance and dredging.
Chemical dredging is a method to improve the fluidity and looseness of coal by adding chemicals to the coal bunker, so as to achieve the purpose of dredging. Commonly used chemicals include: catalysts, surfactants, etc. When using chemical clearing and dredging, it is necessary to control the dosage and addition method of chemicals to avoid adverse effects on production.
4.Manual clearance and dredging.
Manual dredging is a method of manually removing and dredging coal blockage. This method requires a lot of manpower and time, but it is relatively inexpensive. When using manual clearing and dredging, it is necessary to pay attention to safety issues to prevent damage to personnel or equipment.
III. Conclusion. It is of great significance to solve the problem of coal bunker and coal blockage to ensure production efficiency and economic benefits. In actual work, we can choose the appropriate clearing and dredging methods and techniques according to the actual situation to achieve the best clearing and dredging effect. At the same time, it is also necessary to strengthen the maintenance and management of coal bunkers, and regularly inspect and clean them to ensure the normal operation of coal bunkers.