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Ageing device for producing high-grade nanometer calcium carbonate

A technology of nano-calcium carbonate and aging device, which is applied in the direction of nanotechnology, calcium carbonate/strontium/barium, and nanotechnology for materials and surface science, which can solve problems such as tank corrosion and water resource waste, and achieve treatment The effect of large quantity, improving production efficiency and ensuring quality

Inactive Publication Date: 2017-03-22
GUANGXI HUANA NEW MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the calcium carbonate aging tank is made of steel, and spraying with water for a long time will accelerate the corrosion of the tank
It also wastes water resources

Method used

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  • Ageing device for producing high-grade nanometer calcium carbonate
  • Ageing device for producing high-grade nanometer calcium carbonate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] as attached figure 1 Shown, a kind of aging device that is used to produce high-grade nano calcium carbonate, its structure is made of aging tank 1, mixer 6, spiral pipeline 11 and blower fan 8, and described aging tank 1 is provided with outer tank body 2 and The inner tank body 3, the aging tank 1 is also provided with an upper head 4 and a lower head 15, the spiral pipeline 11 is arranged between the outer tank body 2 and the inner tank body 3, and the agitator 6 is fixed on the aging On the upper head 4 of the tank 1 , the fan 8 is connected to the air inlet 10 of the spiral duct 11 .

[0032] Further, two spiral pipes 11 are provided, and each spiral pipe 11 is arranged 5-7 times around the aging tank 1 in a clockwise direction. The outer tank body 2 and the inner tank body 3 of the tank 1 are formed by welding, and the heat of the aged slurry is taken away in time by utilizing the directional flow of air.

[0033] Further, the exhaust port 18 of the spiral duct ...

Embodiment 2

[0040] An aging device for producing high-grade nano-calcium carbonate, its structure is mainly composed of an aging tank 1, a mixer 6, a spiral pipeline 11 and a fan 8, and the aging tank 1 is provided with an outer tank body 2 and an inner tank body 3. The aging tank 1 is also provided with an upper head 4 and a lower head 15, the spiral pipeline 11 is arranged between the outer tank body 2 and the inner tank body 3, and the agitator 6 is fixed on the bottom of the aging tank 1 On the upper head 4 , the fan 8 is connected to the air inlet 10 of the spiral duct 11 .

[0041] Further, there are 3 spiral pipes 11, and each spiral pipe 11 is arranged 8 circles around the aging tank 1 in the counterclockwise direction. 1. The outer tank body 2 and the inner tank body 3 are formed by welding, and the directional flow of air is used to take away the heat of the aged slurry in time.

[0042] Further, the exhaust port 18 of the spiral duct 11 is connected with an exhaust pipe 19 . ...

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Abstract

The invention discloses an ageing device for producing high-grade nanometer calcium carbonate. The structure of the ageing device is mainly composed of an ageing tank, a stirrer, spiral pipelines and a fan, wherein the spiral pipelines are arranged between an outer tank body and an inner tank body; the spiral pipelines are respectively formed by welding an upper pipe piece and a lower pipe piece with the outer tank body and the inner tank body of the ageing tank; the stirrer is fixed on an upper sealing head of the ageing tank; the fan is connected with the air inlets of the spiral pipelines; each of the spiral pipelines is clockwise or counterclockwise wound for a plurality of circles by surrounding the ageing tank; and directional flow of air is utilized to take away the heat of the ageing slurry in time. The ageing device has a simple structure and low cost; the spiral pipelines can quickly reduce the temperature of the ageing tank; the alkali return phenomenon of the product in the prior art is eliminated; the quality of the aged high-grade nanometer calcium carbonate is increased; the ageing standby time is greatly shortened; and the production cost is lowered.

Description

technical field [0001] The invention relates to a production equipment of nano-calcium carbonate, in particular to an aging device for producing high-grade nano-calcium carbonate. Background technique [0002] Calcium carbonate is one of the important inorganic powder fillers, widely used in plastics, rubber, paper, medicine, food and other industries, the main production process includes calcination, aging, cooling, carbonization, thickening, drying and other processes, aging The process is one of the important processes in the production of calcium carbonate. When producing light calcium carbonate, especially nano-calcium carbonate, it is very necessary to age the cooked pulp after deslagging and refining for a certain period of time. During the digestion process, some small particles of CaO are coated by Ca(OH)2. During the carbonization process, it is often not released in time to participate in the reaction, resulting in the phenomenon of "back to alkali" in the produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/18B82Y30/00
CPCC01F11/185B82Y30/00
Inventor 李可亮熊文朱勇韦官文何杰
Owner GUANGXI HUANA NEW MATERIALS TECH CO LTD
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