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Ceramic filter element of diatomite composite activated carbon as well as production method thereof

A technology of composite activated carbon and ceramic filter elements, applied in the field of filter elements, can solve the problems of weak acidity of effluent, achieve the effect of improving pH value, avoiding micropore shrinkage, and improving water turbidity

Inactive Publication Date: 2018-12-14
宁波清水坊环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in general tap water not only contains sediment, dissolved organic matter, dissolved ions, etc., but also contains more dissolved gases such as oxygen and carbon dioxide. acid-base balance, resulting in weakly acidic effluent

Method used

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  • Ceramic filter element of diatomite composite activated carbon as well as production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] (1) Add 80 parts of diatomite, 8 parts of activated carbon, 2 parts of calcite, 2 parts of clay powder, 2 parts of dolomite, 2 parts of swollen starch, and 0.5 part of chromium trioxide into a high-speed mixer for high-speed mixing of dry powder;

[0050] (2) Weigh 3 parts of polyvinyl alcohol, mix the alcohol and polyvinyl alcohol evenly according to the mass ratio of 1:1, add the high mixer to stir, then add water accounting for 0.35% of the total weight of the added ingredients, and stir at a high speed Uniform, forming a semi-dry powder;

[0051] (3) passing the semi-dry powder obtained in step (2) through a 40-mesh sieve to obtain semi-dry powder particles;

[0052] (4) Fill the semi-dry powder granules obtained in step (3) into the mold and obtain the filter element green body after semi-dry pressing molding, place the filter element green body in a box filled with powdered activated carbon, and seal the box with a lid, between the lid and the box Seal it with ce...

Embodiment 2

[0057] (1) Add 90 parts of diatomite, 15 parts of activated carbon, 3 parts of calcite, 3 parts of clay powder, 3 parts of dolomite, 3 parts of swollen starch, and 1.0 part of chromium trioxide into a high-speed mixer for high-speed mixing of dry powder;

[0058] (2) Weigh 5 parts of polyvinyl alcohol, mix the alcohol and polyvinyl alcohol evenly according to the mass ratio of 1:1, add the high mixer to stir, then add water accounting for 0.45% of the total weight of the added ingredients, and stir at a high speed Uniform, forming a semi-dry powder;

[0059] (3) passing the semi-dry powder obtained in step (2) through a 40-mesh sieve to obtain semi-dry powder particles;

[0060] (4) Fill the semi-dry powder granules obtained in step (3) into the mold and obtain the filter element green body after semi-dry pressing molding, place the filter element green body in a box filled with powdered activated carbon, and seal the box with a lid, between the lid and the box Seal it with c...

Embodiment 3

[0064] (1) Add 85 parts of diatomite, 10 parts of activated carbon, 2 parts of calcite, 2 parts of clay powder, 2 parts of dolomite, 3 parts of swollen starch, and 0.6 part of chromium trioxide into a high-speed mixer for high-speed mixing of dry powder;

[0065] (2) Weigh 4 parts of polyvinyl alcohol, mix the alcohol and polyvinyl alcohol evenly according to the mass ratio of 1:1, add the high mixer to stir, then add water accounting for 0.4 of the total weight of the total added ingredients, and stir at a high speed Uniform, forming a semi-dry powder;

[0066] (3) passing the semi-dry powder obtained in step (2) through a 40-mesh sieve to obtain semi-dry powder particles;

[0067] (4) Fill the semi-dry powder granules obtained in step (3) into the mold and obtain the filter element green body after semi-dry pressing molding, place the filter element green body in a box filled with powdered activated carbon, and seal the box with a lid, between the lid and the box Seal it wi...

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Abstract

The invention discloses a ceramic filter element of diatomite composite activated carbon as well as a production method thereof. The key point of the technical scheme is as follows: the filter elementconsists of the following raw material components in parts by mass: 80 to 90 parts of diatomite, 8 to 15 parts of activated carbon, 3 to 5 parts of polyvinyl alcohol, 2 to 3 parts of calcite, 2 to 3parts of a hargil powder, 2 to 3 parts of dolomite, 2 to 3 parts of a pore-forming agent and 0.5 to 1.0 part of a burning accelerant; and after semi-dry pressing forming, the effects of removing colloidal substances such as silt and rust from water, improving the turbidity of the water, removing the residual chlorine of the water, enabling the pH value of the water to be slightly weak alkaline andadapting to the internal environment of a human body are achieved.

Description

technical field [0001] The invention relates to the field of filter elements, in particular to a ceramic filter element of diatomite composite activated carbon and a production method thereof. Background technique [0002] Water is the source of life and is closely related to people's health. With the development of economy, people's requirements for water quality are getting higher and higher. However, due to the rapid development of industry and the vigorous development of mining, the water quality of most surface water sources in the country is deteriorating. [0003] Installing a filter under the household faucet can effectively intercept bacteria and absorb organic matter and heavy metal ions remaining in the water, improve the quality and taste of drinking water, and retain trace elements necessary for the human body. At present, there are two types of faucet water purification filter elements on the market: hollow fiber membrane filter elements and ceramic membrane f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/08C04B35/14C04B38/06C04B35/622C04B35/632C04B35/634C04B35/64B01D39/20B28B7/38
CPCB01D39/2068B01D2239/10B28B7/384C04B35/14C04B35/622C04B35/632C04B35/63416C04B35/64C04B38/0645C04B38/08C04B2235/3208C04B2235/321C04B2235/3241C04B2235/349C04B2235/422C04B2235/60C04B2235/96C04B38/0051
Inventor 杜嘉愚
Owner 宁波清水坊环保科技有限公司
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