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Method for carrying out classification magnetic separation according to particle sizes of quartz sand, and magnetic separator thereof

A magnetic separator and quartz sand technology, which is applied in the field of quartz sand treatment, can solve the problems of high cost of large-scale magnetic separators, difficulties in small and medium-sized enterprises, and difficulty in meeting the requirements for iron removal by small-scale magnetic separators, so as to improve the efficiency of iron removal , Improve the efficiency of iron removal, and improve the effect of magnetic field strength

Active Publication Date: 2017-05-31
ANHUI SCI & TECH UNIV
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Problems solved by technology

[0004] At present, there are many types of magnetic separators at home and abroad. The cost of a single large-scale magnetic separator is too high for local small and medium-sized enterprises to bear, and the iron removal effect of small magnetic separators is difficult to meet the requirements.

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  • Method for carrying out classification magnetic separation according to particle sizes of quartz sand, and magnetic separator thereof
  • Method for carrying out classification magnetic separation according to particle sizes of quartz sand, and magnetic separator thereof

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Embodiment Construction

[0031] In order to make the technical means realized by the present invention, the novel features created, the purpose achieved and the effects achieved clearly understood, the present invention will be further described below in conjunction with specific illustrations.

[0032] A method for classifying and magnetically separating quartz sand according to its particle size, comprising the following steps: first crushing the quartz stone; then using a sieve to classify and screen the quartz sand, the size of the primary sieve is 60 mesh, and the size of the secondary sieve is 60 mesh. The size is 180 mesh; then, the three types of quartz sand with different particle sizes after classification and screening are respectively input into three sets of magnetic separators for magnetic separation. The three sets of magnetic separators are all magnetic separators with two magnetic cylinders. The surface magnetic field strengths of the two magnetic cylinders corresponding to the quartz ...

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Abstract

The invention discloses a method for carrying out classification magnetic separation according to the particle sizes of quartz sand, and a magnetic separator thereof, and relates to the technical field of quartz sand treatment. The method is characterized by comprising the following steps: crushing quartz stone at first; then carrying out grading screening by virtue of sieve screens, wherein the size of the first-stage sieve screen is 50-70 meshes, and the size of the second-stage sieve screen is 170-190 meshes; and then inputting the quartz sand subjected to the grading screening into the magnetic separator separately and carrying out magnetic separation. The magnetic separator comprises a screening device and a magnetic separator body, wherein the screening device is arranged at the upper side of the magnetic separator; a charge port is formed in the upper part of the screening device; the screening device comprises the first-stage sieve screen and the second-stage sieve screen; the second-stage sieve screen is arranged at the lower side of the first-stage sieve screen; charge channels connected to the magnetic separator body are formed in the screening layers of the first-stage sieve screen and the second-stage sieve screen; and the magnetic separator body comprises a rack, a first magnetic drum, a second magnetic drum and a transmission motor. The iron removal efficiency of the magnetic separation method and the magnetic separator is greatly increased.

Description

[0001] Technical field: [0002] The invention relates to the technical field of quartz sand treatment, in particular to a method for classifying magnetic separation according to the size of the quartz sand grain size and a magnetic separator thereof. [0003] Background technique: [0004] At present, there are many types of magnetic separators at home and abroad. The cost of a single large-scale magnetic separator is too high for local small and medium-sized enterprises to bear, and the iron removal effect of small magnetic separators is difficult to meet the requirements. In this context, it is necessary to develop a new type of magnetic separation equipment that can effectively reduce the content of iron impurities in quartz sand. [0005] The study found that the iron content in quartz sand with different particle sizes varies greatly, such as figure 2 (a), wherein, the iron content in the 30-50 mesh and 180-300 mesh quartz sand is significantly higher than that in the 60...

Claims

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Application Information

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IPC IPC(8): B03C1/10B03C1/30
CPCB03C1/10B03C1/30B03C2201/20
Inventor 李勇
Owner ANHUI SCI & TECH UNIV
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