Vibrating screen ore-feeding device

A vibrating screen and ore feeding technology, applied in the direction of screen, solid separation, grid, etc., can solve the problems of uneven load, large fluctuation of ore output, large machine vibration, etc., to improve efficiency and operation rate, and reduce machine failure. , Effective use of space

Active Publication Date: 2013-04-17
TAIYUAN IRON & STEEL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Defects of the original imported vibrating screen feeding device: (1) In the process of use, the original imported vibrating screen frequently has problems such as large fluctuations in ore feeding, uneven feeding, low classification efficiency, and large machine vibration; The ore feeding box only uses five holes on the side of the rectangular ore feeding box for simple ore feeding, without adjusting the screw rod, it can neither achieve uniform ore feeding, nor can it adjust the size of the ore feeding flow, causing the imported vibrating screen to receive ore in five channels. Differen

Method used

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  • Vibrating screen ore-feeding device
  • Vibrating screen ore-feeding device

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1:

[0028] Such as figure 1 , 2 As shown, there are five vibrating screen feeding devices in the mining area, including a fully enclosed cylindrical box body 3, the upper part of the box body 3 is a sealing cover 2, and both sides of the sealing cover 2 are provided with triangular lifting holes 1 and a sealing cover 2 The central part is equipped with a splash-proof sealing door and a ore pipe 7; the middle of the box body 3 is equipped with a buffered slurry inlet center tube 4, and the center tube 4 is provided with a mining hole 5 on the side wall; there are ten blocks on the outside of the center tube 4 The ore partition plate 13 divides the box into five ore partitions 16 and five ore areas 15. A ore pipe 8 is provided under each ore area 15, and the outer end of the ore pipe 8 is fan-shaped; 8 is equipped with a wear-resistant composite ore ball valve 9 above. The ore ball valve 9 is connected with an adjusting screw 10, an adjusting nut 11 and an adjusting...

Example Embodiment

[0041] Example 2:

[0042] There are six vibrating screen feeding devices in the mining area:

[0043] A total of twelve blocks are used to divide the bottom of the feeding device cylinder into six mining areas and six mining areas. The feature is to ensure uniform mining. The central angle of the mining area is 40°, and the shape of the fan-shaped mining area is It is inner diameter / outer diameter×fan angle=(Φ450~Φ600) / (Φ800~Φ1500)mm×20°, its purpose is to ensure the uniform mining around the ore feeding device and strengthen the strength between the central tube and the barrel of the ore feeding device ; A mine pipe is designed at the bottom of each mining area. The other parts are the same as in Example 1.

Example Embodiment

[0044] Example 3:

[0045] There are eight vibrating screen feeding devices in the mining area:

[0046] The bottom of the feeding device cylinder is divided into eight mining areas and eight mining areas with a total of sixteen ore partition plates. The feature is to ensure uniform mining. The central angle of the mining area is 30°, and the shape of the fan-shaped mining area is It is inner diameter / outer diameter×fan angle=(Φ450~Φ600) / (Φ800~Φ1500)mm×15°, its purpose is to ensure uniform ore extraction around the ore feeding device and strengthen the strength between the central tube and the ore feeding device barrel ; A mine pipe is designed at the bottom of each mining area. The other parts are the same as in Example 1.

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Abstract

The invention relates to a vibrating screen ore-feeding device which is characterized in that the vibrating screen ore-feeding device comprises a totally enclosed cylindrical box; a sealing cover is arranged above a cylindrical box; triangle lifting holes are formed on bilateral sides of the sealing cover and a spray-proof sealing door and an ore-feeding pipe are arranged in the center of the sealing cover; the middle of the cylindrical box is provided with a buffering ore pulp feeding center cylinder and an ore discharging hole is formed on the lateral wall of a center cylinder; the inner wall of the cylindrical box, the bottom of the cylindrical box, the inner wall of a center cylinder and the outer wall of a center cylinder are respectively provided with a wear-resistant plate; the outer side of a center cylinder is provided with 2N ore separating plates which separate the cylindrical box into N ore separating areas and N ore discharging areas, the lower portion of every ore discharging area is provided with an ore discharging pipe, and an outlet of the external end of every ore discharging pipe is arranged into a fan shape; a wear-resistant composite ore-feeding ball valve is arranged above every ore discharging pipe and an adjusting screw rod, an adjusting nut and a hand wheel are connected above every ore-feeding ball valve; and eight trapezoidal reinforcing-rib plates are uniformly arranged outside the cylindrical box along a periphery. The vibrating screen ore-feeding device has the advantages of achieving the uniform ore-feeding operation, improving the screening efficiency, being capable of automatically adjusting the flow of ore pulp and good in wear resistance and extending the service life.

Description

technical field [0001] The invention relates to a vibrating screen ore feeding device, which belongs to the field of mine beneficiation machinery. Background technique [0002] Taigang Ekou Iron Mine uses 13 sets of Derrick 2SG48-60W-5STK five-way high-frequency vibrating screens imported from the United States (hereinafter referred to as imported vibrating screens, 2 means double vibrator, SG means super cracity strong vibration, exciting force 7.3g, W Indicates wet sieve, 5 indicates five-way, STK indicates stack overlap), classifies iron ore slurry with a particle size of 0-0.5 mm and a concentration of 35%-45%, with a processing capacity of 100-120t / h, using a stainless steel sieve Net, with a sieve size of 0.075×0.075mm, is the "throat" equipment for iron ore slurry classification. The qualified products under the screen enter the next process of magnetic separation, and the unqualified iron ore powder on the screen enters the ball mill for regrinding, so automatically ...

Claims

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Application Information

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IPC IPC(8): B07B1/46B07B1/28
Inventor 何铁牛胡丽丽张天翔
Owner TAIYUAN IRON & STEEL GROUP
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