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Gas dryer and CO2 absorbent for infrared carbon and sulfur analyzer

An infrared carbon and sulfur analysis and gas drying technology, applied in chemical instruments and methods, applications, household appliances, etc., can solve the problems of inconspicuous discoloration and display, large data fluctuations, blockage of airflow microchannels, etc., and achieve obvious color rendering performance, The effect of small front and rear changes and smooth air path

Active Publication Date: 2012-04-04
醴陵市金利坩埚瓷厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the existing gas desiccant absorbs a certain amount of water, the desiccant particles will become damp, which will cause adhesion and agglomeration between the particles, block the airflow microchannel, and cause air resistance in the glass tube, resulting in poor stability of the analysis results and large data fluctuations. The analysis result is not ideal, and the discoloration display is not obvious; CO 2 Absorbents also have similar problems, and the discoloration is not obvious, which cannot meet the performance requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: The gas desiccant for carbon-sulfur infrared analyzer is prepared by using the following raw materials and processes in parts by weight:

[0040] a. Raw materials:

[0041] 35 parts of high-purity quartz powder,

[0042] Kaolin 25 parts,

[0043] Kyanite 8 servings

[0044] Combustible vegetable powder 28 parts,

[0045] P 2 o 5 powder 30 parts,

[0046] The SiO of the high-purity quartz powder 2 The weight ratio content is not less than 99.9%, the particle size is 1000 mesh; 2 o 5 The particle size of the powder is 250 mesh;

[0047] b. Preparation method:

[0048] After the above-mentioned high-purity quartz powder, kaolin, kyanite, and combustible plant powder are uniformly mixed according to the stated weight parts, they are formed into block materials; The water is used for isostatic pressing, which can make the billet stable and form the best pressure, and send it to dry; then, sinter at 1250°C for 120 minutes;

[0049] After cooling, cru...

Embodiment 2

[0051] Embodiment 2: CO used for carbon-sulfur infrared analyzer 2 The absorbent is prepared by using the following raw materials and processes in parts by weight:

[0052] a. Raw materials:

[0053] 40 parts of high-purity quartz powder,

[0054] Kaolin 30 parts,

[0055] Kyanite 10 parts,

[0056] Combustible vegetable powder 20 parts,

[0057] Sodium hydroxide powder 25 parts,

[0058] The high-purity quartz powder refers to SiO 2 Quartz powder with a weight ratio of not less than 99.9%, with a particle size of 800 mesh to 1,200 mesh; kaolin with a particle size of 800 mesh to 1,200 mesh; combustible vegetable powder can be sawdust or rice husk powder, etc., with a powder particle size of 80 mesh to 300 mesh; The particle size of kyanite and sodium hydroxide powder are both 200-330 mesh;

[0059] b. Preparation method:

[0060] After the above-mentioned high-purity quartz powder, kaolin, kyanite, and combustible plant powder are evenly mixed according to the weight p...

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PUM

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Abstract

The invention provides a gas dryer and a CO2 absorbent for an infrared carbon and sulfur analyzer. High purity quartz powder, kaolin, kyanite and combustible plant powder are mixed according to a certain proportion and sintered into a carrier of a porous material; then P2O5 is infiltrated under certain conditions to obtain the gas dryer; and sodium hydroxide is infiltrated to obtain the CO2 absorbent. The gas dryer can maintain stable particle structure and will not form a vapor lock; the CO2 absorbent can maintain stable particle structure and has obvious colour rendering. A developer for the dryer is cobaltous chloride, and a developer for the CO2 absorbent is phenolphthalein.

Description

technical field [0001] The present invention relates to gas desiccants and CO 2 Gas absorbers, especially gas desiccants and CO for infrared carbon and sulfur analyzers 2 absorbent. Background technique [0002] In the analysis process of the infrared carbon and sulfur analyzer, it is necessary to remove water vapor and CO from the combustion-supporting oxygen. 2 gas, which process is to be analyzed for combustion-supporting oxygen by desiccant gas and CO 2 Absorbent glass tubes. After the existing gas desiccant absorbs a certain amount of water, the desiccant particles will become damp, which will cause adhesion and agglomeration between the particles, block the airflow microchannel, and cause air resistance in the glass tube, resulting in poor stability of the analysis results and large data fluctuations. The analysis result is not ideal, and the discoloration display is not obvious; CO 2 Absorbents also have similar problems, and the discoloration display is not obvi...

Claims

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Application Information

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IPC IPC(8): B01D53/28B01D53/81C04B38/06C04B35/14
Inventor 荣金相
Owner 醴陵市金利坩埚瓷厂
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