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Preparation device and method of bundle-shaped strontium carbonate crystal

A technology of strontium carbonate and crystals, which is applied in the field of preparation of bundled strontium carbonate crystals, can solve problems such as poor greening, complicated operation, and poor controllability, and achieve the effects of low production cost, low price, and small diameter

Inactive Publication Date: 2018-12-18
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention aims at the problems of high cost, poor controllability, complicated operation, and poor greening in the existing method, and proposes a high-purity, high-yield, small-diameter, large-crystal aspect ratio, low raw material price, and process stability. High, easy to operate, simple and easy method, low energy consumption, convenient to the preparation method of the beam strontium carbonate crystal of industrial production

Method used

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  • Preparation device and method of bundle-shaped strontium carbonate crystal
  • Preparation device and method of bundle-shaped strontium carbonate crystal
  • Preparation device and method of bundle-shaped strontium carbonate crystal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] First, open the No. 1 valve (4) and No. 2 valve (6) in the reaction device, add 0.60 kg of strontium chloride hexahydrate to the No. 1 material tank (10) through the No. Add 0.66 kg of ammonium bicarbonate to the No. 2 material tank (12) from the feed port (9), and add a gelatin solution with a mass fraction of 0.020% in the sedimentation tank to the specified scale; at room temperature, let it stand for 24 hours; feed through No. 1 Add 0.60 kg of strontium chloride hexahydrate to No. 1 material tank (10) through port (1), and add 0.66 kg of ammonium bicarbonate to No. 2 material tank (12) through No. 2 feed port (9); Place the reaction for 24 h, add 0.60 kg strontium chloride hexahydrate to the No. 1 material tank (10) through the No. 1 feed port (1), and add 0.66 kg of ammonium bicarbonate to the No. 2 material tank through the No. 2 feed port (9) Tank (12), at room temperature, stand still for 48 h; close the No. 1 valve (4) and No. 2 valve (6), filter the product in...

Embodiment 2

[0019]First, open the No. 1 valve (4) and No. 2 valve (6) in the reaction device, add 0.60 kg of strontium chloride hexahydrate to the No. 1 material tank (10) through the No. Add 0.64 kg of ammonium bicarbonate to the No. 2 material tank (12) from the feed port (9), and add a gelatin solution with a mass fraction of 0.020% in the sedimentation tank to the specified scale; at room temperature, let it stand for 24 hours; feed through No. 1 Add 0.60 kg of strontium chloride hexahydrate to No. 1 material tank (10) through port (1), and add 0.64 kg of ammonium bicarbonate to No. 2 material tank (12) through No. 2 feed port (9); React for 24 h, add 0.60 kg of strontium chloride hexahydrate to the No. 1 material tank (10) through the No. 1 feed port (1), and add 0.64 kg of ammonium bicarbonate to the No. 2 material tank through the No. 2 feed port (9) Tank (12), at room temperature, stand still for 48 h; close the No. 1 valve (4) and No. 2 valve (6), filter the product in the sedime...

Embodiment 3

[0022] First, open the No. 1 valve (4) and No. 2 valve (6) in the reaction device, add 0.60 kg of strontium chloride hexahydrate to the No. 1 material tank (10) through the No. Add 0.68 kg of ammonium bicarbonate to the No. 2 material tank (12) from the material port (9), and add a gelatin solution with a mass fraction of 0.020% to the specified scale in the sedimentation tank; at room temperature, let it stand for 24 hours; feed through No. 1 Add 0.60 kg of strontium chloride hexahydrate to No. 1 material tank (10) through port (1), and add 0.68 kg of ammonium bicarbonate to No. 2 material tank (12) through No. 2 feed port (9); React for 24 h; add 0.60 kg of strontium chloride hexahydrate to the No. 1 material tank (10) through the No. 1 feed port (1), and add 0.68 kg of ammonium bicarbonate to the No. 2 material tank through the No. 2 feed port (9) Tank (12), at room temperature, stand still for 48 h; close the No. 1 valve (4) and No. 2 valve (6), filter the product in the s...

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Abstract

The invention provides a preparation device and method of a bundle-shaped strontium carbonate crystal. In a reaction device, strontium chloride hexahydrate and ammonium bicarbonate are used as reactants and gelatin is used as a bionic induction agent to prepare the bundle-shaped strontium carbonate crystal. After reaction is finished, a product is filtered and washed and is dried at 105 DEG C for1h to obtain the bundle-shaped strontium carbonate crystal composed of a crystal bar. The reaction device is composed of a No. 1 material groove, a sedimentation groove and a No. 2 material groove. The diameter of the crystal bar in bundle-shaped strontium carbonate is 30 to 50nm and the length of the crystal bar is 200 to 700nm; the product has the purity greater than or equal to 99 percent of the yield of 96 to 98 percent. The product provided by the invention has the advantages of high purity, high yield, small diameter, large crystal length-diameter ratio, low raw material price, simple and feasible method, low energy consumption, convenience for industrial production and the like.

Description

technical field [0001] The invention relates to a method and device for preparing bundle-shaped strontium carbonate crystals, in particular to a method for preparing bundle-shaped strontium carbonate crystals by using strontium chloride hexahydrate and ammonium bicarbonate as reactants and using gelatin as a bionic inducer. The specific technical field of the present invention is the preparation of bundle-shaped strontium carbonate crystals. Background technique [0002] Strontium carbonate is one of the important inorganic basic chemical raw materials. It is an important additive for electronic components. It is widely used in the manufacture of optical glass, high dielectric materials, chemical sensor catalysts, etc. It is widely used in light industry, electronic information, chemical industry, etc. Several industries and fields, with a wide range of uses. The application of strontium carbonate products is related to the size and shape of its particles, so the synthesis ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/18B82Y30/00
CPCB82Y30/00C01F11/187C01P2002/72C01P2004/03C01P2004/64C01P2006/80
Inventor 徐玉娜钟学明刘俊辰奉凤娟付政立李鑫黎彬生
Owner NANCHANG HANGKONG UNIVERSITY
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