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Method for producing porous filtering ceramic used for water treatment

A technology for filtering ceramics and production methods, applied in water/sewage treatment, water/sludge/sewage treatment, application, etc., can solve the problems of high mold cost, time-consuming and energy-consuming, high production cost, and achieve lower production costs and lower production costs. cost and the effect of improving market competitiveness

Inactive Publication Date: 2005-03-16
林震能
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the above-mentioned production process generally has the disadvantages of high mold cost, fast loss, time-consuming and energy-consuming, which leads to high production cost and reduces the market competitiveness of the product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Ingredients: Stir cement, quartz sand, and attapulgite powder in a mixer evenly, and add water to mix to make a slurry;

[0020] (2) Mix the slurry and foam with a foaming machine to quickly stir the model "SW45" cement foaming agent to form fine and uniform foam. Add the foam to the slurry and stir evenly to form fine foam in the slurry. uniform air bubbles;

[0021] (3), mold filling: add the slurry containing air bubbles in the mold, and leave it for 12 minutes to make the blank;

[0022] (4) High-temperature sintering The porous ceramic blank is taken out from the mold, put into a kiln and sintered at a high temperature of 1100°C for 5 hours at a constant temperature to obtain porous filter ceramics.

Embodiment 2

[0024] (1) Ingredients: Stir gypsum, quartz sand, and attapulgite powder in a mixer evenly, and add water to mix to make a slurry;

[0025] (2) Mix the slurry and foam with a foaming machine to quickly stir the foam agent to form fine and uniform foams, add the foam to the slurry and stir evenly to form fine and uniform bubbles in the slurry;

[0026] (3), filling the mold, adding the slurry containing air bubbles in the mold, and leaving it for 20 minutes to make the blank;

[0027] (4) High-temperature sintering The porous ceramic blank is taken out from the mold, put into a kiln and sintered at a high temperature of 1300° C. for 4 hours to obtain porous filter ceramics.

Embodiment 3

[0029] (1), batching, mix the mixture of cement and gypsum with quartz sand and attapulgite powder in the mixer, add water and mix to make slurry;

[0030] (2) Mix the slurry and foam with a foaming machine to quickly stir the model "SW45" cement foaming agent to form fine and uniform foam. Add the foam to the slurry and stir evenly to form fine foam in the slurry. uniform air bubbles;

[0031] (3), filling the mold, adding the slurry containing air bubbles in the mold, and leaving it for 30 minutes to make the blank;

[0032] (4) High temperature sintering The porous ceramic blank is taken out from the mold, put into a kiln and sintered at a high temperature of 1500° C. for 3 hours to obtain porous filter ceramics.

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PUM

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Abstract

The invention provides a method for producing porous filtering ceramic used for water treatment, which comprises the steps of proportioning, mixing slurry with foam, mould loading and high temperature sintering. The die arrangement used by the method can be prepared from common plastics, thus lowering the cost of die arrangement.

Description

technical field [0001] The invention relates to a production method of ceramics, in particular to a production method of porous filter ceramics applied to water treatment. Background technique [0002] At present, there are many types of porous ceramics used in the field of water treatment, and the shapes are also different. However, the production of these porous ceramics generally adopts stamping or extrusion technology, so that mechanical equipment is used to exert a certain pressure on the blank. Therefore, in the production process The wear and tear of the mold used in the process is relatively fast, so the material requirements for the mold used in the above-mentioned production process are relatively high, and generally it is required to be made of high-hardness materials. Therefore, the above-mentioned production process generally has the disadvantages of high mold cost, fast loss, time-consuming and energy-consuming, which leads to high production cost and reduces t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C04B35/622C04B38/10
Inventor 林震能
Owner 林震能
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