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Screening and iron removing system for silica sand production

A screening and silica sand technology, applied in the direction of sieve, magnetic separation, solid separation, etc., can solve the problems of not achieving good iron removal effect and reducing the iron content of impurities.

Inactive Publication Date: 2021-06-04
江门市新会区双水益联白砂厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In silica sand processing, the existing iron removal equipment cannot achieve a good iron removal effect. Therefore, a screening and iron removal system for silica sand production is proposed to greatly reduce the impurity iron content in silica sand, and realize the deep processing of silica sand and economy. greatly improved value

Method used

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  • Screening and iron removing system for silica sand production
  • Screening and iron removing system for silica sand production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The present invention provides a technical solution: a screening and iron removal system for silica sand production, including an iron removal system and a sieving system, the iron removal system includes an iron removal bin 1, and the iron removal bin 1 is fixedly connected with The first permanent magnet plate 2, the surface of the first permanent magnet plate 2 is provided with a polishing treatment layer, and the interior of the iron removal bin 1 is provided with a conveyor belt 3 and a driving roller 4, and the driving roller 4 is located on the side of the first permanent magnet plate 2 Below, the two ends of the drive roller 4 are movably connected to the wall of the iron removal bin 1 through bearings, and the drive roller 4 is driven by an external driver. On the outside of the first permanent magnet plate 2 and the driving roller 4, and the first permanent magnet plate 2 and the driving roller 4 tighten the conveyor belt 3, the top of the iron removal bin 1 is...

Embodiment 2

[0023] On the basis of Embodiment 1, a feeding device is installed at the feed inlet, and the feeding device includes a hopper 6, and the bottom end of the hopper 6 is fixedly connected with a cylinder 7, and the two ends of the cylinder 7 are closed. And the cylinder 7 is connected to the hopper 6 and the feed port, the cylinder 7 is coaxially provided with a rotating shaft 8, the two ends of the rotating shaft 8 are movably connected to the end wall of the cylinder 7 through bearings, and the upper edge of the rotating shaft 8 A plurality of partition plates 9 are fixedly connected in the circumferential direction, and the partition plates 9 extend to the inner wall of the cylinder 7, and the rotating shaft 8 is driven by an external servo motor.

[0024] The feeding device can realize the control of the feeding amount by controlling the rotating speed of the rotating shaft, so as to avoid the influence of the excessive feeding amount on the iron sand separation effect.

Embodiment 3

[0026] On the basis of embodiment 1 or embodiment 2, the second permanent magnet plate 10 is arranged in the circle of the conveyor belt 3, and the second permanent magnet plate 10 is below the first permanent magnet plate 2, and the second permanent magnet One end of the plate 10 is fixedly connected to an end of the first permanent magnet plate 2 near the discharge port, and the junction of the second permanent magnet plate 10 and the first permanent magnet plate 2 is a fillet, and the second permanent magnet plate 10 The distance between the bottom surface and the conveyor belt 3 gradually increases along the traveling direction of the conveyor belt 3 below it.

[0027] The distance between the bottom surface of the second permanent magnet plate 10 and the conveyor belt 3 increases gradually along the advancing direction of the conveyor belt 3 below it, so that the iron sand that is adsorbed can be effectively dropped off, so as to avoid that the iron sand is under the secon...

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Abstract

The invention discloses a screening and deironing system for silica sand production. The screening and deironing system comprises a deironing system and a screening system; the deironing system comprises a deironing bin, the deironing bin is fixedly connected with a first permanent magnet plate, a conveying belt and a driving roller are arranged in the deironing bin, the driving roller is located below the first permanent magnet plate, and the driving roller is externally connected with a driver for driving; and the first permanent magnet plate and the driving roller tighten the conveyor belt. A feeding port is formed in the top of the iron removal bin and located above the first permanent magnet plate, an iron outlet is formed in the bottom of the iron removal bin, and a discharging port is formed in the side wall of the iron removal bin and located in the same plane as the first permanent magnet plate; one end of the first permanent magnet plate extends into the discharge hole; the screening system is a vibration classifying screen, and a feeding port of the vibration classifying screen is formed below the discharging port. And a magnetic suction separation process is adopted, so that iron-sand separation of iron-containing silica sand can be realized. Raw materials are transported on the permanent magnet plate, so that iron sand can be effectively adsorbed, transported and separated.

Description

technical field [0001] The invention relates to the technical field of mineral raw material processing machinery, in particular to a screening and iron removal system for silica sand production. Background technique [0002] Silica sand, also known as quartz sand, is mainly composed of silicon dioxide, which is the main raw material for making glass. Most of the world's major glass-producing countries, such as the Soviet Union, the United States, and Belgium, use natural silica sand as the glass silicon raw material. The quality of natural silica sand in my country is relatively poor, and silica sand crushed and processed from quartz sandstone is generally used as raw material for glass. The production process of silica sand is as follows: raw silicon (block) is reduced to small blocks by a crusher, and then ground into fine materials by a rod mill. After the fine materials pass through a sieve, the coarse and fine materials of the silica sand are separated, and then the ir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/30B07B1/28
CPCB03C1/30B07B1/28
Inventor 潘柏胜
Owner 江门市新会区双水益联白砂厂