As a kind of mechanical equipment for screening, filtration and impurity removal, vibrating screen is widely used in mining, coal, smelting, building materials, refractory materials, chemical, pharmaceutical, food and other industries. The quality of the vibrating screen directly affects the screening effect of the vibrating screen, and the quality of the vibrating screen equipment is determined in addition to the production process of the equipment, which is the quality of its related accessories, so what do users pay attention to when selecting vibrating screen accessories? What? The following will introduce you in detail:
Vibrating screen accessories mainly include vibration motors, screens, vibration-damping springs, bearings, seals, and cleaning devices. Each fitting plays a different role in the vibrating screen screening operation, and the normal operation of the vibrating screen requires the cooperation of the various fittings. Therefore, the choice of vibrating screen accessories should not be underestimated.
The vibration motor is an important accessory in the vibrating screen equipment and is the power source for the entire vibrating screen equipment. However, there are many types of vibration motors, and the vibration motor power of different types of vibrating screens is different. The greater the vibration motor power, the greater the excitation force, and the magnitude of the excitation force affects the screening efficiency of the vibrating screen. The main factor, so the user should choose a reasonable choice when selecting the vibrating screen vibration motor. On the other hand, the vibration motor can be divided into two types: ordinary vibration motor and explosion-proof vibration motor. For example, the production environment or screening materials (mostly powdery materials) cannot have open flame or overheating. It is best to use an explosion-proof vibration motor.
The screen is the main component of the vibrating screen. It is directly in contact with the screening material during the material screening process. It classifies the materials with different particle sizes, so the quality of the screen directly determines the screening accuracy and yield. The screen mesh can be divided into a metal woven mesh and a punching plate screen. When sieving small particles, powdery or slurry materials, a metal woven mesh can be selected, such as a perforated plate screen with a larger material size. When selecting the screen, the user needs to choose according to the screening demand and the characteristics of the screening material. If the screen is improperly selected, the screen may be damaged and the production will be smoothly carried out.
The damper spring acts as a buffer device in the vibrating screen, generally between the screen body and the machine base, and plays the role of supporting the vibrating screen screen body. The vibrating screen damper spring mainly comprises a rubber spring, a composite spring and a steel spring. The types of damping springs selected by different vibrating screen equipments are different. Therefore, appropriate damping springs should be selected according to the screening materials, environment and conditions, as well as the specific gravity of the materials themselves, and static electricity.
The vibrating screen bearing is an important part that transmits the kinetic energy of the motor to the screen surface. Through the conversion of the bearing, the screen surface can be made into different forms of vertical, horizontal and inclined three-dimensional motion, thereby realizing the grading, filtering and impurity removal screening. Vibrating screen bearings need to achieve strong stability, low temperature rise, safe and reliable performance, otherwise they are easily damaged. For some industries with large dust or static electricity, corrosion, etc., the bearing can not generate heat during operation. If the temperature is too high, the bearing will be damaged, which will affect the normal operation of the vibrating screen. It can be seen that the correct selection of the vibrating screen bearing can effectively extend the service life of the vibrating screen and reduce the maintenance cost of the equipment.
The seal is an indispensable seal fitting in the vibrating screen equipment. The choice of seal material is different depending on the material of the vibrating screen. The material of the seal mainly includes: rubber material and silicone material. The rubber material seal is generally used for common material screening and sealing, while the silicone material seal is used for material screening and sealing in the food industry. Xinxiang Dahan seals are available in other materials and models, and can also be customized to special models. Therefore, in selecting the vibrating screen seal, the user needs to select according to the application industry of the sieved material, and the corresponding seal is also selected according to the diameter of the sieve frame.
The vibrating screen cleaning device can separate the materials accumulated on the screen surface in a timely manner, and the materials blocked in the mesh are cleaned and screened, thereby making the whole screening process smooth and efficient, and achieving better screening effect. According to the application industry and the screening materials, the vibrating screen cleaning device also has different applications. Common cleaning devices include bouncing balls, ultrasonic waves, and rotating brushes.
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