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Airflow pulverization machine used for preparing titanium dioxide delustering agent

A jet mill and rack technology, applied in grain processing and other directions, can solve the problems of low crushing efficiency and inconvenient adjustment, and achieve the effects of improving crushing efficiency, facilitating material discharge, and preventing the movement of upper and lower positions.

Pending Publication Date: 2020-09-18
江苏华力索菲新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the disc-type airflow mill also has some defects: for example, because it mainly relies on the mutual collision of materials for crushing, its crushing efficiency is low;

Method used

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  • Airflow pulverization machine used for preparing titanium dioxide delustering agent
  • Airflow pulverization machine used for preparing titanium dioxide delustering agent
  • Airflow pulverization machine used for preparing titanium dioxide delustering agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1-4 As shown, a jet pulverizer of this embodiment includes: a frame 1, a lower cover 20 arranged on the frame 1, a seat ring 21 arranged on the lower cover 20, an upper cover 22 arranged on the seat ring 21, The discharge pipe 3 arranged on the upper cover 22, the regulating pipe 4 inserted in the discharge pipe 3 which can move up and down, the feeding device 5 arranged on the seat ring 21 and the gas distribution device 6 arranged on the frame 1 .

[0036] Among them, the gas distribution device 6 includes a compressed air buffer ring pipe 60 fixed on the frame 1, an air intake pipe 61 arranged on the compressed air buffer ring pipe 60, several pulverizing nozzles 62 arranged tangentially on the seat ring 21 and connecting Compressed gas buffer ring and some intake hoses 63 of several pulverizing nozzles 62. The feed device 5 includes a feed pipe 50 connected tangentially to the seat ring 21 , a hopper 51 connected to the feed pipe 50 , and a feed no...

Embodiment 2

[0042] refer to Figure 5 , this embodiment is further preferred on the basis of Embodiment 1, wherein the lower end of the discharge pipe 3 has a hole pipe section 30 extending into the crushing chamber 2, and the outer circumference of the hole pipe section 30 is provided with several discharge holes radially 31, the lower part of the regulating pipe 4 can extend into the inside of the hole pipe section 30. The diameter of the discharge hole 31 on the hole pipe section 30 gradually decreases from top to bottom. That is, the diameter of the upper discharge hole 31 is greater than the diameter of the lower discharge hole 31 .

[0043]The discharge hole 31 is used to collect the material moving to the center of the crushing chamber 2, and then discharged through the discharge pipe 3. On the other hand, the discharge hole 31 also has the function of material classification, and the material whose size is smaller than the discharge hole 31 can pass through the discharge The hol...

Embodiment 3

[0052] refer to Figure 6-7 , the present embodiment is further preferred on the basis of embodiment 2. In the present embodiment, the jet mill also includes a circulation pipe 8, and the upper end of the regulating pipe 4 is detachably connected with a discharge pipe 42, and the feed of the circulation pipe 8 The end is connected to the side of the discharge pipe 42, and the discharge end of the circulation pipe 8 is connected to the feed pipe 50. A solenoid valve and / or a circulation pump can also be arranged on the circulation pipe 8 . The circulation pipe 8 is used to return part of the crushed material to the crushing chamber 2 for secondary crushing. The setting of this structure has at least the following advantages: on the one hand, part of the material is recycled and crushed, which can further reduce the particle size of the material, and at the same time realize The particle size of the material is controlled within a certain range (the particle size decreases when...

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PUM

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Abstract

The invention discloses an airflow pulverization machine used for preparing a titanium dioxide delustering agent. The airflow pulverization machine comprises a rack, a lower cover arranged on the rack, a housing washer arranged on the lower cover, an upper cover arranged on the housing washer, a material discharging pipe arranged on the upper cover, a regulation pipe capable of vertically moving to be inserted into the material discharging pipe, a material feeding device arranged on the housing washer, and an air distribution device arranged on the rack, wherein the lower end of the material discharging pipe is provided with a hole pipe segment which extends into a breaking chamber, a plurality of material outlets penetrate through the periphery of the hole pipe segment along a radial direction, and the lower part of the regulation pipe can extend into the hole pipe segment. According to the airflow pulverization machine disclosed by the invention, an upper breaking ring and a lower breaking ring are arranged in the breaking chamber, so that a material flow moves at a high speed to knock the upper breaking ring and the lower breaking ring, and breaking efficiency can be improved. Due to the structural design of the regulation pipe and the material discharging pipe, material discharging height can be regulated to realize the regulation of the fineness of a discharged material, and meanwhile, material discharging efficiency can be guaranteed.

Description

technical field [0001] The invention relates to the field of pulverizing equipment, in particular to an airflow pulverizer for preparing titanium dioxide matting agent. Background technique [0002] Jet milling is one of the most commonly used ultra-fine grinding methods, widely used in ultra-fine grinding or fine grinding of materials in non-metallic minerals, pharmaceuticals, chemicals, metallurgy and other industries. It has fine particle size, narrow particle size distribution, smooth particle surface, and Rules, high purity, high activity and other characteristics. [0003] Among them, the flat jet mill, also known as the disc jet mill, is one of the earliest and most widely used jet mills in the industry. The principle is: the material is accelerated by the nozzle of the jet feeder through the feeding port, and introduced into the crushing chamber, where it collides, rubs, shears and crushes under the driving of the rotating air flow; the fine powder is pushed to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C19/00B02C23/02B02C23/00
CPCB02C19/0043B02C23/00B02C23/02
Inventor 崔岩葛晨鑫
Owner 江苏华力索菲新材料有限公司