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Micro-granulation process of talc powder

A talcum powder and granulation technology, applied in the field of processing engineering, can solve the problems of low production efficiency, poor production environment, great difficulty, etc., and achieve the effect of improving production efficiency and production output

Inactive Publication Date: 2016-01-20
太仓市迅达路基材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in order to achieve dispersion fluidity in processed products and uniformity in finished products, the particles of talc powder are required to be as small as possible, generally requiring a fineness of about 3000 mesh, but this fine particle is used in plastic modified granulation There are relatively great difficulties in the process, and the mixture is easy to form a bridging phenomenon at the feed port of the plastic machine, which makes the production efficiency low and the production environment poor in the actual production process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Step 1: Under ventilated conditions, in the production workshop with an area of ​​2000㎡ and a height of 8m, use a separate automatic suction machine to feed talc powder with a fineness of 2800 mesh into the sealing material with a temperature of 68°C and a size of 8m3 pool;

[0020] Step 2: While the talcum powder is sent into the sealing pool by the separate automatic suction machine, the frequency conversion automatic water pump added to the upper part of the sealing pool is added to the sealing pool with water at a temperature of 68°C, and the water in the sealing pool is The ratio with talcum powder is 1:1;

[0021] Step 3: The agitator provided in the sealing material pool is used to seal and stir the water and talcum powder, and stir the water and talcum powder into a talcum powder slurry. The stirring speed of the agitator is 2500r / min. The pumping pipe will put the stirred talcum powder water slurry at a pressure of 4kg / cm 2 , and the flow rate is sent into th...

Embodiment 2

[0026] Step 1: Under ventilated conditions, in the production workshop with an area of ​​2100㎡ and a height of 8.2m, use a separate automatic suction machine to send talc powder with a fineness of 2850 mesh into a closed room with a temperature of 68.5°C and a size of 8.5m3 feed pool;

[0027] Step 2: While the separate automatic suction machine is feeding the talcum powder into the sealing pool, add water with a temperature of 68.5°C into the sealing pool by the frequency conversion automatic water pump added on the upper part of the sealing pool, and the water in the sealing pool will The ratio with talcum powder is 1:1.1;

[0028] Step 3: The agitator provided in the sealing material tank is used to seal and stir the water and talcum powder, and then stir the water and talcum powder into a talcum powder slurry. The stirring speed of the agitator is 2550r / min. Some pumping pipes pump the stirred talcum powder slurry at a pressure of 4.5kg / cm 2 , and the flow rate is sent i...

Embodiment 3

[0033] Step 1: Under ventilated conditions, in the production workshop with an area of ​​2100㎡ and a height of 8.5m, use a separate automatic suction machine to feed talcum powder with a fineness of 2900 mesh into the sealing material with a temperature of 69°C and a size of 9m3 pool;

[0034] Step 2: While the talc powder is being sent into the sealing pool by the separate automatic suction machine, water at a temperature of 69°C is added to the sealing pool by the frequency conversion automatic water pump added on the upper part of the sealing pool, and the water in the sealing pool is The ratio with talcum powder is 1:1.2;

[0035] Step 3: The agitator provided in the sealing material tank performs closed stirring on the water and talcum powder, and stirs the water and talcum powder into a talc powder slurry. The stirring speed of the agitator is 2560r / min. The pumping pipe will put the stirred talcum powder water slurry at a pressure of 4.6kg / cm 2 , flow rate is that the...

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PUM

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Abstract

The invention discloses a micro-granulation process of talc powder. The talc powder and water are placed in a closed material tank and fully stirred, and then sent to a dry distillation furnace for high-temperature heating to dehydrate the talc powder water slurry. This method physically changes the talcum powder, so that the physically changed talcum powder becomes porous microspheres and maintains the essential particle state. After the physical change, the talcum powder is easy to process during plastic granulation, improving the The production output will not affect the production environment. At the same time, after the talc powder slurry is sent into the retort furnace by the suction pipe, the automatic suction machine and the frequency conversion automatic water pump will respectively deliver the talc powder and water into the closed material tank, and then the talc powder will be mixed by the mixer. After the talcum powder is taken out from the retort furnace, the pumping pipe sends the talc powder water slurry into the retort furnace, so that the whole process is uninterrupted and the production efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of processing engineering, and in particular relates to a micro-manufacturing process of talc powder. Background technique [0002] Talc powder is mainly used in rubber, plastic, paint, and other chemical industries. As a strengthening and modifying filler, it can increase the stability of product shape, increase tensile strength, shear strength, bending strength, compressive strength, reduce deformation, and elongation. , thermal expansion coefficient, high whiteness, uniform particle size and strong dispersion, the prior art is to directly crush talc with Raymond mill or other high-pressure mills to obtain talcum powder. [0003] However, in order to achieve dispersion fluidity in processed products and uniformity in finished products, the particles of talc powder are required to be as small as possible, generally requiring a fineness of about 3000 mesh, but this fine particle is used in plastic modified g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J2/02C09C3/04
Inventor 傅深俊
Owner 太仓市迅达路基材料有限公司
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