Vibrating screening equipment can be divided into: vibrating screen for mining, light fine vibrating screen, experimental vibrating screen
Mine vibrating screen can be divided into: high-efficiency heavy-duty sieve, self-centering vibrating screen, elliptical vibrating screen, dewatering screen, circular vibrating screen,
Vibrating screen
Banana sieve, linear vibrating screen, etc.
Light and fine vibrating screen can be divided into: vibrating screen, linear screen, straight screen, ultrasonic vibrating screen, filter screen, etc.
Experimental vibrating screen: slap screen, top impact vibrating screen, standard inspection screen, electric vibrating screen, etc. Please refer to experimental equipment
The material trajectory according to the vibrating screen can be divided into:
According to the linear motion track: linear vibrating screen (material moves linearly forward on the screen surface)
According to the circular motion track: circular vibrating screen (materials make circular motion on the screen surface) structure and advantages
According to the reciprocating motion track: fine screening machine (material reciprocating motion on the screen surface)
The vibrating screen is mainly divided into a linear vibrating screen, a circular vibrating screen, and a high frequency vibrating screen. The vibrating screen can be divided into a single-axis vibrating screen and a two-axis vibrating screen according to the type of the vibrator. The single-axis vibrating screen uses a single unbalanced heavy excitation to vibrate the screen box, and the screen surface is inclined. The moving track of the screen box is generally circular or elliptical. The two-axis vibrating screen is a double unbalanced heavy excitation that utilizes synchronous counter-rotating, the screen surface is horizontally or gently inclined, and the movement path of the screen box is a straight line. The vibrating screen has an inertial vibrating screen, an eccentric vibrating screen, a self-centering vibrating screen, and an electromagnetic vibrating screen.
Linear vibrating screen
The vibrating screen uses vibration motor excitation as the vibration source, so that the material is thrown up on the screen and moves forward in a straight line. The material enters the feeding port of the screening machine evenly from the feeder, and several specifications are produced through the multi-layer screen. The sieve and the sieve are discharged from the respective outlets. Linear shaker (line screen) is stable and reliable, low consumption, low noise, long life, steady vibration mode, high efficiency screening is an efficient new screening equipment, widely used in mining, coal, metallurgical, Building materials, refractory materials, light industry, chemical industry and other industries.
Circular vibrating screen
The circular vibrating screen circular vibrating screen (round vibrating screen) is a circular motion, which is a multi-layer, high-efficiency new vibrating screen. The circular vibrating screen adopts the cylindrical eccentric shaft exciter and the partial block to adjust the amplitude, the material sieve line length and the screening specifications are many, the structure is reliable, the excitation force is strong, the screening efficiency is high, the vibration noise is small, the sturdy and durable, the maintenance Convenient, safe to use, circular vibrating screen is widely used in the classification of products in mining, building materials, transportation, energy, chemical and other industries. According to user requirements and product material, high-manganese steel braided mesh can be employed, and rubber perforated screen sieve, sieve single layer and dual-layer, can meet the different requirements of various types of screening sieve effect. This series of circular vibrating screens is mounted in a seat. The adjustment of the screen inclination can be achieved by changing the height of the spring support.
Elliptical sieve
The elliptical sieve is a vibrating screen for elliptical motion trajectory, which has the advantages of high efficiency, high screening precision and wide range of applications. And ordinary sieve machine of the same specification
TES has greater throughput and higher screening efficiency. Suitable solvents for the metallurgical industry, cold sinter screening, grading ore mining industry, coal industry classification and dehydration, and other media operations. It is an ideal substitute for existing large vibrating screens and imported products from abroad. TES three-axis elliptical vibrating screen is widely used in the screening operation of quarry and sand and gravel. It can also be used for the classification of products in coal preparation, mineral processing , building materials, construction and power chemical industry.
Screening principle: The power is transmitted from the motor through the V-belt to the excitation shaft of the exciter and the gear vibrator (speed ratio is 1), so that the three shafts rotate at the same speed, generating exciting force, and the vibration exciter is connected with the high-strength bolt of the screen box. , produces an elliptical motion. The material moves on the screen surface with the high-speed ellipse of the sieve machine, and quickly stratifies, sifts and advances, and finally finishes the classification of the material.
The obvious advantages of the TES series of three-axis elliptical sieves
The three-axis drive can make the sieve machine produce ideal elliptical motion. It has the advantages of circular vibrating screen and linear vibrating screen, and the elliptical trajectory and amplitude can be adjusted. The vibrating trajectory can be selected according to the actual material condition, and the material that is difficult to be sieved is more Have an advantage;
The three-axis drive forced synchronous excitation enables the sieve machine to obtain a stable working state, which is particularly advantageous for screenings requiring a large amount of processing;
The triaxial drive improves the stress state of the screen frame, reduces the load on the single bearing, uniforms the side plates, reduces the stress concentration point, improves the stress conditions of the screen frame, and improves the reliability and life of the screen machine. The large-scale machine has laid the theoretical foundation.
Because of its horizontal installation, it effectively reduces the height of the unit and can meet the needs of large and medium-sized mobile screening units.
The bearing is lubricated with oil, which effectively reduces the bearing temperature and improves the life;
With the same screening area, the output of the elliptical vibrating screen can be increased by 1.3-2 times.
Thin oil shaker
The thin oil vibrating screen has large processing capacity and high screening efficiency; the vibrator adopts bearing thin oil lubrication and external block eccentric structure. It has the characteristics of large excitation force, small bearing vibrating screen load, low temperature and low noise (bearing temperature rise is less than 35°); the whole disassembly and assembly of the vibrator is convenient for maintenance and replacement, which greatly shortens the maintenance period (replacement of the vibrator only 1~2 hours); the side plate of the sieve machine adopts the whole plate cold work, no welding, high strength and long service life. The joint between the beam and the side plate is connected by anti-torsion shearing high-strength bolts. No welding and easy replacement of the beam; the sieve machine adopts rubber spring to reduce vibration, compared with metal spring, has low noise, long service life, stable vibrating area, and various screen machines. The fulcrum has a small dynamic load; the motor and the exciter are connected by a flexible coupling, which has the advantages of long service life and small impact on the motor.
This sieve machine series is widely used in the classification of coal, metallurgy, hydropower, mining, building materials, chemical, electric power, transportation, port and other industries.
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