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Device and method for regulating potassium feldspar powder size distribution

A technology of particle size distribution and potassium feldspar powder, which is applied in grain processing and other directions, can solve the problems of wide particle size distribution range, non-concentrated particle size, and inability to adjust the particle size of potassium feldspar powder, so as to ensure the concentration of dust-laden airflow, facilitate pneumatic transportation, and facilitate air volume Adjustment effect

Active Publication Date: 2015-05-27
广东奥胜新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing method, the air volume of the fan before production is usually pre-set, and the air volume of the fan is fixed during the production process, so that the produced potassium feldspar powder has a wide particle size distribution range, non-concentrated particle size, and more fine powder. During the production process, flexible adjustments cannot be made according to different technical indicators of the particle size distribution of potassium feldspar powder

Method used

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  • Device and method for regulating potassium feldspar powder size distribution
  • Device and method for regulating potassium feldspar powder size distribution
  • Device and method for regulating potassium feldspar powder size distribution

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Embodiment 1

[0035] see Figure 1 to Figure 4 , the device for adjusting the particle size distribution of potassium feldspar powder in this embodiment includes an air volume adjustment system arranged on the discharge port of the ball mill, and the air volume adjustment system includes a feed bin 4, a main air pipe 1 and a side air inlet pipe 7; wherein, the The lateral middle part of the silo 4 is connected to the discharge port of the ball mill; one end of the main air duct 1 is connected to the upper end of the silo 4, and the other end extends downward and bends to form a tunnel passing below the silo 4. Convergence section 9, the lower end of the silo 4 is connected to the confluence section 9; the side air inlet pipe 7 is arranged on the confluence section 9, and an air volume adjustment switch is arranged in the side air inlet pipe 7 ; Between the lower end of the silo 4 and the confluence section 9, a rotary feeding valve 6 is provided.

[0036] see figure 1 with figure 2 , th...

Embodiment 2

[0040] This embodiment provides a method for adjusting the particle size distribution of potassium feldspar powder realized by using the device for adjusting the particle size distribution of potassium feldspar powder.

[0041] In this embodiment, it is required to produce ultrafine potassium feldspar powder, and its technical indicators are: 325 mesh sieve residue 5-8%, 200 mesh sieve residue less than 2%, fine powder below 10 μ less than 35%.

[0042] The adjustment method specifically includes the following steps:

[0043] (1) Adjust the regulating gate valve in the main air duct to the fully open maximum position, and adjust the air volume adjustment switch in the side air inlet duct to the fully open maximum position;

[0044] (2) Adjust the fan inlet valve of the system dust collector to keep the fan current in the range of 140A to 150A;

[0045] (3) Adjust the feeding amount of the ball mill through the electronic belt scale, and the feeding range is 3 to 5 tons / hour. ...

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Abstract

The invention discloses a device and a method for regulating potassium feldspar powder size distribution. The device comprises an air regulation system arranged on a discharge hole of a ball mill, wherein the air regulation system comprises a material bin, a main air pipe and a side direction air inlet pipe; the middle in the side direction of the material bin is connected to the discharge hole of the ball mill, one end of the main air pipe is connected to the upper end of the material bin, the other end of the main air pipe downward extends and is bent so as to form a confluence section passing through the lower part of the material bin, and the lower end of the material bin is connected to the confluence section; the side direction air inlet pipe is arranged on the confluence section and is internally provided with an air regulation switch, and a rotating baiting valve is arranged between the lower end of the material bin and the confluence section. The device and the method provided by the invention have the advantages that the air volume of the side direction air inlet pipe is flexibly adjusted in real time in a production process according to the size distribution requirement of the potassium feldspar powder, thus the size distribution of the potassium feldspar powder is adjusted, the production flexibility is greatly improved, and the product quality is easy to guarantee.

Description

technical field [0001] The invention relates to a device and method for grinding potassium feldspar, in particular to a device and method for adjusting particle size distribution of potassium feldspar powder. Background technique [0002] Potassium feldspar is a non-metallic mineral containing potassium, sodium, silicon, aluminum, iron and other elements. The processed potassium feldspar powder is widely used in industrial production raw materials such as ceramics, electric porcelain, enamel, glass, and welding rods. With the development of science and technology and the continuous improvement of the performance requirements of potassium feldspar powder in various industries, ultra-fine production of potassium feldspar and low cost have become an inevitable trend of development. [0003] Grinding of potassium feldspar is usually realized by ball mill. The common closed-circuit powder selection technology of dry ball mill includes feeding system, ball mill, lifting equipment,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C17/00B02C23/02B02C23/24B02C23/32
Inventor 苏成罗赣明董小明陆文艺朱伟国吕连焕陆永初刘志勇叶德常杨明祥陆国燕
Owner 广东奥胜新材料有限公司
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