CN103382128B - Ceramic filter core containing cocoanut-shell activated carbon and preparation method thereof - Google Patents

Abstract

The invention provides a ceramic filter core containing cocoanut-shell activated carbon. The ceramic filter core is prepared from the following raw materials by weight: 30 to 40 parts of diatomite, 10 to 15 parts of Chinese medical stone, 5 to 10 parts of modified mica powder, 6 to 8 parts of slag powder, 10 to 15 parts of zeolite powder, 4 to 5 parts of magnesium carbonate, 10 to 12 parts of aluminum oxide, 5 to 10 parts of mallee bark powder, 10 to 15 parts of cocoanut-shell activated carbon powder, 4 to 5 parts of sodium carbonate, 2 to 4 parts of sodium polyphosphate, 1 to 3 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 1 to 2 parts of sodium lauryl sulfate and 3 to 4 parts of urea. A preparation method for the filter core comprises the following steps: step-by-step ball milling and mixing of the raw materials; slip casting; molding; and sintering. According to the invention, diatomite is used as a base material, mica powder is modified, so dispersibility is improved, porosity is enhanced, the proportion of micropores is increased, the micropores are uniformly distributed, filtration efficiency is improved, the resource of mica powder is rich, raw materials are easily available and cheap, cost is reduced, and porosity is as high as 55 to 65%.

Description

A kind of pottery filter core containing cocoanut active charcoal and preparation method thereof

Technical field

The present invention relates to filter core manufacture field, be specifically related to a kind of pottery filter core containing cocoanut active charcoal and preparation method thereof.

Background technology

Along with the development of society, the reinforcement of environmental consciousness, the quality criteria requirements of people to drinking water is more and more higher, need less filtering accuracy, require the clean-up effect with sterilization and anticorrosion, also more and more higher to the filtering requirement of the cleaner that automobile different parts fills, the filter core in cleaner plays Main Function simultaneously, need the filter core designing different-effect, carry out satisfied different needs.

Summary of the invention

The invention provides a kind of pottery filter core containing cocoanut active charcoal and preparation method thereof.

The present invention adopts following technical scheme:

A pottery filter core containing cocoanut active charcoal, is characterized in that, be prepared from by the raw material of following weight portion:

Diatomite 30-40, medical stone 10-15, modified micaceous powder 5-10, pulverized slag 6-8, zeolite powder 10-15, magnesium carbonate 4-5, alundum (Al2O3) 10-12, eucalyptus barks powder 5-10, coconut activated powdered carbon 10-15, sodium carbonate 4-5, polyphosphate sodium 2-4, AESA 1-3, sldium lauryl sulfate 1-2, urea 3-4

The preparation method of described modified micaceous powder is:

First mica powder is calcined 3-4 hour at 300-400 DEG C, then take out, grind, add the silane coupler KH560 of mica powder weight 2%, 1% ATEC, 2% Tissuemat E, 2% zinc oxide, 4% aluminium oxide, under the rotating speed of 2000rpm, temperature is 85 DEG C, high-speed stirring 4 hours, dry, pulverize, cross 120 mesh sieves, obtain modified micaceous powder.

The preparation method of the described pottery filter core containing cocoanut active charcoal, is characterized in that, comprise the following steps:

(1) urea is joined in container, add distilled water, at 55-60 DEG C, fully dissolve, be then poured in ball grinder, add modified micaceous powder by formula rate, with 90-100rpm rotating speed, ball milling 4-5 hour;

(2) formula rest materials is joined in ball grinder, use 95-110rpm rotating speed, ball milling 4-5 hour;

(3) slurry after ball milling is placed in vacuum and removes bubble;

(4) by the slurry after removing bubble, leave standstill slaking 8-9 hour, then slowly pour in the die cavity of plaster mold shaping, obtain hollow filter core base substrate; Leave standstill 2-3 hour, the demoulding, obtains filter core green compact;

(5) by green compact at 90-120 DEG C of dry 18-20 hour, then under inert gas shielding, first heat up with the speed of 1-1.5 DEG C/min, when temperature is raised to 800 DEG C, be incubated 2 hours; Heat up with the speed of 1 DEG C/min again, when temperature is raised to 900 DEG C, be incubated 2 hours; Heat up with the speed of 2.0 DEG C/min again, when temperature is raised to 1100 DEG C, be incubated 1 hour, then stop heating, with stove cool to room temperature.

Beneficial effect of the present invention:

Filter core of the present invention take diatomite as base-material, add modified micaceous powder, improve dispersiveness, add porosity, the ratio of minute aperture is increased, and is evenly distributed, improve filter efficiency, with the addition of eucalyptus barks powder, coconut activated powdered carbon simultaneously, reduce cost, add Adsorption Filtration Properties; Improve withstand voltage, the corrosion resistance and good of ceramic element by sintering, the porosity is up to 55%-65%.

Detailed description of the invention

A pottery filter core containing cocoanut active charcoal, is prepared from by the raw material of following weight (kg):

Diatomite 40, medical stone 10, modified micaceous powder 10, pulverized slag 7, zeolite powder 12, magnesium carbonate 5, alundum (Al2O3) 11, eucalyptus barks powder 8, coconut activated powdered carbon 15, sodium carbonate 5, polyphosphate sodium 2, AESA 1, sldium lauryl sulfate 2, urea 4

The preparation method of described modified micaceous powder is:

First mica powder is calcined 4 hours at 350 DEG C, then take out, grind, add the silane coupler KH560 of mica powder weight 2%, 1% ATEC, 1% Tissuemat E, 3% zinc oxide, 4% aluminium oxide, under the rotating speed of 2000rpm, temperature is 85 DEG C, high-speed stirred 3 hours, dry, pulverize, cross 120 mesh sieves, obtain modified micaceous powder.

The preparation method of pottery filter core, comprises the following steps:

(1) urea is joined in container, add distilled water, at 60 DEG C, fully dissolve, be then poured in ball grinder, add modified micaceous powder by formula rate, with 100rpm rotating speed, ball milling 5 hours;

(2) formula rest materials is joined in ball grinder, use 110rpm rotating speed, ball milling 4 hours;

(3) slurry after ball milling is placed in vacuum and removes bubble;

(4) by the slurry after removing bubble, leave standstill slaking 9 hours, then slowly pour in the die cavity of plaster mold shaping, obtain hollow filter core base substrate; Leave standstill 2 hours, the demoulding, obtains filter core green compact;

(5) by green compact 120 DEG C of dryings 18 hours, then under inert gas shielding, first heat up with the speed of 1 DEG C/min, when temperature is raised to 800 DEG C, be incubated 2 hours; Heat up with the speed of 1 DEG C/min again, when temperature is raised to 900 DEG C, be incubated 2 hours; Heat up with the speed of 2.0 DEG C/min again, when temperature is raised to 1100 DEG C, be incubated 1 hour, then stop heating, with stove cool to room temperature.

The obtained filter core aperture of the present embodiment at 2 μm-20 μm, the porosity 65%, rate of filtration 15ml/hr.cm ²(height of water 200mm), rupture strength about 13.0Mpa.

Claims (1)

1. the pottery filter core containing cocoanut active charcoal, is characterized in that, be prepared from by the raw material of following weight portion:

Diatomite 30-40, medical stone 10-15, modified micaceous powder 5-10, pulverized slag 6-8, zeolite powder 10-15, magnesium carbonate 4-5, alundum (Al2O3) 10-12, eucalyptus barks powder 5-10, coconut activated powdered carbon 10-15, sodium carbonate 4-5, polyphosphate sodium 2-4, AESA 1-3, sldium lauryl sulfate 1-2, urea 3-4;

The preparation method of described modified micaceous powder is:

First mica powder is calcined 3-4 hour at 300-400 DEG C, then take out, grind, add the ATEC of silane coupler KH560,1-2% of mica powder weight 1-2%, 1-2% Tissuemat E, 2-3% zinc oxide, 3-4% aluminium oxide, under the rotating speed of 1500-2000rpm, temperature is 80-90 DEG C, high-speed stirring, 3-4 hour, dry, pulverize, cross 120 mesh sieves, obtain modified micaceous powder;

The preparation method of the described pottery filter core containing cocoanut active charcoal, comprises the following steps:

(1) urea is joined in container, add distilled water, at 55-60 DEG C, fully dissolve, be then poured in ball grinder, add modified micaceous powder by formula rate, with 90-100rpm rotating speed, ball milling 4-5 hour;

(2) formula rest materials is joined in ball grinder, use 95-110rpm rotating speed, ball milling 4-5 hour;

(3) slurry after ball milling is placed in vacuum and removes bubble;

(4) by the slurry after removing bubble, leave standstill slaking 8-9 hour, then slowly pour in the die cavity of plaster mold shaping, obtain hollow filter core base substrate; Leave standstill 2-3 hour, the demoulding, obtains filter core green compact;

(5) by green compact at 90-120 DEG C of dry 18-20 hour, then under inert gas shielding, first heat up with the speed of 1-1.5 DEG C/min, when temperature is raised to 800 DEG C, be incubated 2 hours; Heat up with the speed of 1 DEG C/min again, when temperature is raised to 900 DEG C, be incubated 2 hours; Heat up with the speed of 2.0 DEG C/min again, when temperature is raised to 1100 DEG C, be incubated 1 hour, then stop heating, with stove cool to room temperature.