What is the use of vibrating dewatering screen? What is its working principle?

Vibrating dewatering screen is a solid-liquid separation equipment widely used in mining, coal, building materials, chemical industry and other industries. Through mechanical vibration and screening technology, it can effectively separate water from liquid materials and realize dehydration, desludging, de-mediuming and other functions. New Gaonai Heavy Industry will introduce in detail the working principle of vibrating dewatering screen and its use in different fields.

Working principle of vibrating dewatering screen

The core principle of vibrating dewatering screen is mainly based on the exciting force of the vibration motor. When the vibration motor is started, a periodically changing exciting force will be generated, which will cause the screen body to vibrate back and forth along the direction of the exciting force. The material is placed on the screen surface. As the screen vibrates, the material is thrown up and loosened and separated by the dual effects of its own gravity and the vibration of the screen. Since the screen surface of the vibrating dewatering screen usually has a certain inclination angle, the material will also be affected by a gravity component force along the inclination direction on the screen surface, which will cause the material to slide down on the screen surface. At the same time, due to the friction between the material and the screen surface and the gravity of the material itself, the material jumps on the screen surface, and this jumping motion further promotes the separation and dehydration of the material.

Uses of Vibrating Dewatering Screen

The vibrating dewatering screen plays an important role in many industrial fields due to its high efficiency dewatering and strong adaptability:

Mining field: Processing iron tailings, copper tailings, gold tailings, etc. in the ore dressing plant to reduce the water content of the tailings, reduce transportation costs and environmental pollution. Washing and dehydrating quartz sand, potassium feldspar, etc. to separate fine impurities and improve the purity of the finished product.

Coal industry: In coal washing plants, vibrating dewatering screens are used to dehydrate coal sludge, improve coal quality, recycle useful resources, and reduce wastewater discharge.

Construction and building materials: In the water-washed sand production line, the vibrating dewatering screen removes mud and moisture from sand and gravel to meet the standards of building materials. Classify and dehydrate the crushed construction waste to recover reusable aggregates.

Chemical and environmental protection: Used for municipal sludge and industrial wastewater treatment to achieve solid-liquid separation, reduce sludge volume, and facilitate subsequent disposal. Dehydrate chemical raw materials for pretreatment to ensure the stability of the production process.

Other fields: In the power, sugar and salt industries, vibration dehydration and screening of medium and fine particles optimizes production efficiency. In soil remediation, it separates water and impurities in contaminated soil to assist remediation projects.

Technical advantages of dehydration screen

The vibration dehydration screen has shown significant advantages in practical applications:

High efficiency and energy saving: vibration dehydration consumes less energy than traditional filter press or natural drying, and the dehydration speed is fast.

Strong adaptability: adjustable parameters can be adapted to different materials, and the screen material (such as ultra-high molecular polyethylene) is wear-resistant and corrosion-resistant, extending the life of the equipment.

Environmental protection and economy: reduce wastewater discharge, reduce the use of chemicals, simple maintenance, and reduce downtime costs.

Summary

The vibration dehydration screen realizes solid-liquid separation through vibration screening technology. Its working principle is simple and efficient, and its application field is wide. With the development of industrial technology, its importance in environmental protection, resource recovery and other fields has become increasingly prominent, and it has become one of the key equipment for various industries to improve production efficiency and reduce operating costs.