Crushing and Screening
Grinding and Classification
Mining Process
Thickening and Dewatering
Auxiliary
Consumables and Spare Parts
SKU:
XH-ZDZXS
Category: Screening Equipment
Self-centering vibrating screen
- Product Introduction: A traditional and widely used vibrating screen machine, mostly used for screening medium and fine particles.
- Capacity: 20～300t/h
- Applications: Huston vibrating screening machine is mainly suitable for classifying medium and fine particles in mining processing plants.
- Product Improvements: The screening equipment uses wear-resistant rubber to make elastic stoppers; and adopts the company’s utility model technology: a seat-type vibrating screen jacking device.
Advantages and Features
- Huston vibrating screen equipment has large amplitude and high screening efficiency
- it can provide wear-resistant rubber screens with a lifespan that is 10-20 times that of steel and 4-6 times that of polyurethane
- it can provide highly elastic wear-resistant rubber springs with long life, low noise and easy maintenance
- it provides two types of vibrating screens: seated and hanging vibrating screens
- there are two types of vibrating screens: seated and hanging vibrating screens
- The large pulley and the eccentric shaft have an eccentricity of 3-5mm, which balances the overall movement of the large pulley when the vibrating screen vibrates, increasing the stability of the transmission
- the materials on the self-centering vibrating screen can be well loosened and stratified under the action of vibration
- the weight of the vibrating screen can be adjusted, and the amplitude of the screen can be adjusted according to production requirements
- when the ore feed volume changes, the amplitude also changes. When the ore feeding amount is small, the amplitude increases and the vibration intensifies
- when the ore feeding amount is large, the amplitude becomes smaller. Changes in the ore feeding amount will affect the "power balance", causing some vibration in the center of the pulley
- it is suitable for medium and fine particle screening but not suitable for coarse material screening.
Working Principle
The principle of the self-centering vibrating screen is that when the motor drives the main bearing of the pulley, the centrifugal inertial force generated adds to the internal force of the screen box vibration system, driving the center of gravity of the screen box system to move in a circular motion. The quality of the eccentric weights on the eccentric weight wheel should ensure that the centrifugal inertia force they generate can balance the centrifugal inertia force generated when the screen box rotates. The condition for preventing the center of the pulley from shifting in space is that the centrifugal inertia force generated by the rotation of the screen box and the centrifugal inertia force generated by the eccentric weight are equal in size and opposite in direction. At this time, dynamic balance is achieved. This realizes the "self-centering" of the pulley, keeping the center distance between the large and small pulleys unchanged, and eliminating the phenomenon of the belt becoming loose and tight.
Technical Specifications
| Model | Specification | Feeding particle size (mm) | Processing capacity (t/h) | Motor model | Motor power (kW) | Weight(kg) | Remark |
|---|---|---|---|---|---|---|---|
| SZZ0918 | 900×1800 | 40 | 20~25 | Y100L1-4 | 2.2 | 420 | Hanging type |
| SZZ0918 | 900×1800 | 40 | 10~30 | Y100L1-4 | 2.2 | 553 | Seat type |
| 2SZZ0918 | 900×1800 | 40 | 20~40 | Y100L1-4 | 2.2 | 570 | Seat type |
| SZZ1225 | 1250X2500 | 100 | 100 | Y132S-4 | 5.5 | 1017 | Hanging type |
| SZZ1225 | 1250X2500 | 100 | 100 | Y132S-4 | 5.5 | 1466 | Seat type |
| 2SZZ1225 | 1250X2500 | 100 | 100~150 | Y132S-4 | 5.5 | 1320 | Hanging type |
| 2SZZ1225 | 1250X2500 | 100 | 100~150 | Y132S-4 | 5.5 | 1870 | Seat type |
| SZZ1530 | 1500×3000 | 100 | 90~200 | Y132M-4 | 7.5 | 1850 | Hanging type |
| SZZ1530 | 1500×3000 | 100 | 90~200 | Y132M-4 | 7.5 | 2665 | Seat type |
| 2SZZ1530 | 1500×3000 | 100 | 90~200 | Y132M-4 | 7.5 | 2963 | Hanging type |
| SZZ1540 | 1500×4000 | 100 | 90~200 | Y160L-4 | 15 | 2865 | Seat type |
| 2SZZ1540 | 1500×4000 | 400 | 90~200 | Y160L-4 | 15 | 3412 | Seat type |
| SZZ1836 | 1800×3600 | 150 | 100~300 | Y160M-4 | 11 | 4500 | Hanging type |
| 2SZZ1836 | 1800×3600 | 150 | 100~300 | Y180M-4 | 18.5 | 5616 | Seat type |
Case Study
In a mineral processing plant in Yunnan, the material contained a large amount of water, the equipment was severely damaged, and production could not be carried out. Therefore, washing facilities were added to wash ore and desludge before fine crushing. The custom central vibrating screen used by Huston screening machine manufacturer will generate large centrifugal force due to the eccentric shaft. At the same time, it can be lined with wet wear-resistant rubber to increase the service life of the equipment, and two additional units are added for desludge. The ore is washed and deslimed through the two stages of the vibrating screen, and the screening efficiency is improved, which greatly ensures the normal operation of the pre-selection work and also reduces the production cost.
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