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Desulfurization filter element

A filter element and material technology, applied in the field of desulfurization filter elements for removing sulfur-containing substances in boiler flue gas, can solve problems such as incomplete desulfurization, poor control, and impracticality, and achieve excellent desulfurization performance and regeneration performance, complete desulfurization, and low cost low effect

Inactive Publication Date: 2006-01-11
王涛 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: high cost, large waste, incomplete desulfurization, impractical, and difficult to control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The desulfurization filter element is composed of 90 grams of activated calcium carbonate (9%), 480 grams of calcium oxide (48%), 6 grams of magnesium oxide (0.6%), 210 grams of calcium carbide (21%), and 30 grams of barium oxide per 1000 grams of finished product. (3%), powdery sodium silicate 54 grams (5.4%), silicon dioxide 60 grams (6%), gypsum powder 70 grams (7%), after each ingredient is mixed evenly, add water molding, put into the expansion box , under 10 atmospheres, hot air at 155°C was introduced for 2 minutes to form, and after natural cooling, a porous solid was formed, which can be taken out for use.

Embodiment 2

[0012] The desulfurization filter element is composed of 1000 grams of finished products: 100 grams of active calcium carbonate (10%), 510 grams of calcium oxide (51%), 5 grams of magnesium oxide (0.5%), 190 grams of calcium carbide (19%), and 28 grams of barium oxide (2.8%), powdery sodium silicate 57 grams (5.7%), silicon dioxide 50 grams (5%), gypsum powder 60 grams (6%), adopt the preparation method described in embodiment 1 to prepare.

Embodiment 3

[0014] Active calcium carbonate 100g (10%), calcium oxide 510g (51%), magnesium oxide 5g (0.5%), calcium carbide 200g (20%), barium oxide 30g (3%), powdered silicic acid 50 grams (5%) of sodium, 55 grams (5.5%) of silicon dioxide, and 50 grams (5%) of gypsum powder. After mixing the ingredients evenly, add water to form them, put them into an expansion box, and pass them into The hot air at 150°C lasts for 2 minutes to form, and after natural cooling, a porous solid is formed, which can be taken out for use.

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PUM

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Abstract

A desulfurizing filter core for the fume of boiler is proportionally prepared from such particles as active calcium carbonate, calcium oxide, magnesium oxide, calcium carbide and barium oxide through mixing, adding water, shaping and puffing to obtain a reticular solid.

Description

technical field [0001] The invention relates to a desulfurization filter element, in particular to a desulfurization filter element for removing sulfur-containing substances in boiler flue gas. Background technique [0002] At present, liquid desulfurization is mostly used to remove sulfur-containing substances in exhaust gas, especially in boiler flue gas at home and abroad, generally alkaline water desulfurization, without solid desulfurization. Its disadvantages are: high cost, large waste, incomplete desulfurization, impractical, and difficult to control. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a desulfurization filter element for removing sulfur-containing substances in boiler flue gas. [0004] The technical scheme adopted in the present invention is: using common chemical raw materials, namely active calcium carbonate, calcium oxide, magnesium oxide, calcium...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/20B01D53/82
Inventor 王涛
Owner 王涛
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