Product Introduction: The main function of the vibrating dewatering screen is dewatering, desliming, and desliming. It can be used for washing sand in sand and gravel plants, recovering coal slurry in coal preparation plants, and discharging tailings in mineral processing plants. Therefore, it is also called sand and gravel dewatering screen, mining dewatering screen, coal slurry dewatering screen, tailings dewatering screen, etc.

　　Product Introduction

　　The main function of the vibrating dewatering screen is dewatering, desliming, and desliming. It can be used for washing sand in sand and gravel plants, recovering coal slurry in coal preparation plants, and discharging tailings in mineral processing plants. Therefore, it is also called sand and gravel dewatering screen, mining dewatering screen, coal slurry dewatering screen, tailings dewatering screen, etc. The vibrating dewatering screen is mainly composed of a screen box, exciter, support system, and motor; Using dual vibration motors or exciters (driven by two ordinary motors to rotate synchronously in opposite directions), the screen body undergoes periodic reciprocating linear motion in a straight direction to achieve the purpose of graded dehydration.

　　Performance advantages of dehydration vibrating screen products:

　　The dehydration screen adopts ultra-high molecular weight polyurethane (UHMW-PE) material, which has the characteristics of impact resistance, low temperature resistance, wear resistance, chemical corrosion resistance, self lubrication, and absorption of impact energy. Its impact resistance is relatively high among all plastics, and its wear resistance is better than that of materials such as polytetrafluoroethylene, nylon, carbon steel, etc.

　　Dehydration vibrating screen product features:

　　1. The dehydration vibrating screen and dehydration screening machine are installed horizontally as a whole, but the screen mesh must be installed at a negative angle to ensure the forced dehydration effect;

　　2. The sieve used for dehydration screening can be a stainless steel composite sieve, installed in a tensioned manner; Stainless steel welded seam screen plates can also be used, and a compression installation can be adopted to meet different needs;

　　3. The dewatering screen can adjust the vibration frequency at any time through a frequency converter to achieve dewatering effect;

　　4. The dehydration screen adopts a self synchronous liquid lubrication vibrator for vibration, and the screen frame is made of special noise reducing materials and connected with high-strength bolts to ensure reliable operation and reduced working noise of the screen machine. The overall working noise of the machine is 85dB (A), which is about 15dB lower than similar screen machines;

　　5. Set up a curved screen surface in the feed section of the dewatering screen to improve dewatering efficiency;

　　6. Dehydration screen is equipped with a feeding box to ensure that the material is evenly fed into the screen surface;

　　7. The dehydration screen is equipped with an integral frame for easy handling and installation;

　　8. The dehydration screen relies on the upper filter layer to intercept fine particles and accumulate dehydration.

　　Reference Table for Selection of Dehydration Vibration Screen Products

　　Instructions for selecting dehydration vibrating screen products:

　　1. The dehydration vibrating screen machine is divided into single-layer and double-layer, and there are single motor gear dragging and dual motor self synchronous dragging. Single motor towing can be divided into left mounted and right mounted.

　　2. The screen structure includes slotted screens and perforated screen plates. If woven screens and rubber screen plates are selected, they can be designed according to requirements.

　　3. To meet the requirements of screening efficiency, if necessary, the screening surface can be installed at an angle of 2-10 to the horizontal plane.

　　4. Except for ZSM185 vibrating screen bolts with two specifications of M20 and M16, all other screen machine foundation bolts are M20 and are provided by the user.

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022026-02
Cleaning knowledge about swing screening machine - flat rotary screen
　　Swing screen, also known as swing vibrating screen, is a screening equipment that imitates manual screening actions. This series of equipment has good screening effect on cylindrical, elongated, and irregularly shaped materials without damaging the characteristics and shape of the materials themselves, meeting the requirements of modern people for screening materials: high efficiency and high precision. At present, swing screens are widely used in industries such as chemistry, food, medicine, and fertilizers.　　Do not stack any other debris around the swing screen machine, and the surrounding environment should also be kept clean. The price of the MSG swing screen should not be contaminated with other dust as much as possible to avoid the influence of other debris and prevent inaccurate screening of grains after screening. Before starting up and using the swing screen, it is necessary to check whether there are any debris in the machine compartment. The price of the glass bead swing screen should be cleaned to prevent different debris from mixing together and affecting the accurate screening of grains.　　Swing screens can be cleaned using bouncing balls, which is simple to use and easy to maintain. It is suitable for most granular materials, and ultrasonic cleaning is also a widely used cleaning method. It not only cleans the screen mesh, but also significantly improves production capacity. Suitable for most fine, high-yield, and difficult to screen materials, it improves work efficiency and time.　　Overall, China's swing vibration equipment is constantly improving and upgrading, and the market is showing a thriving trend. In the context of the continuous expansion of the food and drug market, domestic vibrating screen equipment should strengthen innovative technology, integrate market requirements, seize industry trends, and continuously meet the needs of more industries.
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Common faults and corresponding solutions of drum screen
　　Drum screen is a specialized screening equipment developed for industries such as building materials, metallurgy, chemical engineering, and mining. It overcomes the blockage problem of circular vibrating screens and linear vibrating screens when screening wet materials, improves the output and reliability of screening systems, and is widely used in sand and gravel separation in sand and gravel fields, as well as in size grading and block powder separation in chemical and mineral processing industries. It is highly favored by customers.　　Drum screen is a relatively large processing equipment in screening equipment. Although it does not have the complex structure of magnetic separators, sorting machines, etc., it has a large processing capacity during use. Therefore, some mechanical failures are inevitable during long-term use. The following are several important and easy to occur failures, and corresponding solutions are provided. We hope it can help you.　　1. Noise problem caused by loose equipment bolts　　Solution: Re tighten the bolts or other fasteners;　　2. Wrong rotation direction caused by incorrect connection of motor power cable　　Solution: Replace the power cable in the junction box;　　3. Delayed clicking start caused by motor overload or excessive conveying capacity　　Solution: Adjust the conveying capacity again;　　4. Insufficient ventilation or lack of lubricant inside the gearbox leads to overheating issues　　Solution: Check and adjust the ventilation vent for heat dissipation and add lubricant;　　5. Electric motor heating problem　　resolvent:　　(1) Clean the heat sink of the electric motor;　　(2) Check if the fan impeller is working properly and ensure smooth air circulation;　　(3) Reduce load;　　(4) Tighten the connection;　　(5) Check and rewire.　　6. Blocked sieve holes prevent the drum screen from functioning properly　　Solution: Clean up the clogged garbage in the sieve holes in a timely manner to reduce blockage.
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Internal factors causing noise in screening machines
　　1. Noise source　　The noise mainly comes from the operation of gears and rolling bearings. The main source of gear noise is gear collision caused by manufacturing errors such as smooth contact. The noise radiated through the shell to the connected structure also promotes the total sound power to be increased at resonance frequency, especially for large diameter gears, whose noise pollution is more serious.　　The noise of rolling bearings is often caused by the impact of the rolling elements in the raceway and the impact and vibration of the retainer inside the bearing. Therefore, it is related to the stiffness and smoothness of the vibrator shaft.　　2. Diffusion　　Resonance diffusion. Due to resonance between the frequency of the noise source and the vibration noise caused by the excitation of the screen, crossbeam, pipe, etc. In addition, resonance occurs when the natural frequency of the component is a multiple of the operating frequency of the sieve. It can be said that there must be resonance phenomenon in the center where strong noise is generated by the mechanical vibrating screen. Related to area. The diffusion noise is proportional to the area. From the characteristics of acoustics, it is difficult for low-frequency sounds to form noise without large-scale vibrations. Therefore, many inherent vibrations of large-scale vibrations are fundamentally in the low-frequency region. From this, it can be seen that there is a relative relationship between the area of the vibrating body and the generation of noise. The sieve, as a vibrating body, generates low-frequency noise due to the large-scale vibration of components such as the sieve plate and frame.　　3. Connect　　Poor connection (looseness) can cause impact, such as the screen frame and screen mesh colliding and the screen body components becoming loose. Due to rigid connections, there is significant noise.
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Eight precautions for using air flow screens for grading
　　1. Customers using air flow screens should carefully read the product manual before using the equipment. If they have any questions about the content introduced in the manual, they should contact our company for consultation and clarification in a timely manner.　　2. If a vibration exciter is selected, it should be inspected every six months, lubricating oil should be added regularly, and the connection parts should be checked regularly for tightness.　　3. Careful cleaning work should be done before and after daily homework, and attention should be paid to maintaining uninterrupted lubrication, fastening, and corrosion prevention of equipment throughout.　　4. The equipment should be equipped with grounding wires and regularly inspected for grounding wires, power switches, cables, and other electrical components to ensure that they are in good working condition. If aging or wear occurs, they should be replaced in a timely manner.　　5. The main unit, motor, and fan of the airflow screening machine should be checked regularly, lubricating oil should be added regularly, and dust inside the motor should be cleaned. It should be ensured that they are thoroughly inspected once a year.　　6. The screen mesh of the airflow screening machine should be checked regularly, and any damage should be replaced in a timely manner to ensure even tension of the screen mesh.　　7. Pay attention to maintaining the condition of the electrical control box and try to avoid dust falling in, otherwise it may cause electrical components to malfunction or short circuit.　　8. It is recommended that customers establish a comprehensive daily maintenance plan for the airflow screening machine and adhere to it.