CN103172402B - Multifunctional porous purifying ceramic granular material and preparation method - Google Patents

Multifunctional porous purifying ceramic granular material and preparation method Download PDF

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CN103172402B
CN103172402B CN201110431107.8A CN201110431107A CN103172402B CN 103172402 B CN103172402 B CN 103172402B CN 201110431107 A CN201110431107 A CN 201110431107A CN 103172402 B CN103172402 B CN 103172402B
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multifunctional porous
diatomite
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CN103172402A (en
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田小兵
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SHANGHAI FANSHARE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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SHANGHAI FANSHARE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

The invention relates to a multifunctional porous purifying ceramic granular material and a preparation method, the granular material comprises the following components by weight: 30-50 parts of endellite, 10-20 parts of zeolite, 20-30 parts of diatomite, 10-20 parts of alumina and 1-3 parts of nano photocatalysis composite material. The preparation method comprises the following steps: preparing the materials, performing ball milling, sieving slurry, forming pore, drying in the shade, calcining at high temperature, dipping and calcining at low temperature. Compared with the prior art, the multifunctional porous purifying ceramic granular material has a three-dimensional structural tunnel with different aperture gradients, and has the advantages of strong adsorptivity, good sterilization and bacteriostasis effects, and cycle usage.

Description

A kind of multifunctional porous purification ceramic particle material and preparation method thereof
Technical field
The invention belongs to surrounding purifying material technical field, especially relate to and a kind of there is multifunctional porous purification ceramic particle material of three-dimensional build bent hole road structure and different pore size gradient and preparation method thereof.
Background technology
Along with the progress of society and the raising of living standards of the people, people have higher requirement to quality of the life.The common people purchase house, house fitting, and the application of oil, coal, natural gas, heavy chemicals, automobile etc. and popularization, bring pollution to a certain degree to while improving our living standard our indoor and outdoors air, especially in recent years interior decoration is day by day luxurious, the Indoor Air Pollution with outdoor Air Pollution problem that the human activities such as household chemical product uses in a large number, smoking, culinary art cause can not be ignored, and the quality of environment directly affects the healthy of people.
With active carbon, bamboo charcoal, coconut husk charcoal and conventional porous ceramic phase ratio, this porous purification ceramic particle material has larger specific area, therefore fully can contact with the pollutant in air, the pollutant in air can be eliminated more fast and efficiently, sterilizing deodoring etc., but the ceramic material at present with this function is little, and the aspect such as adsorption rate, Bacteria suppression rate is all very low, does not have very large benefit to the healthy of people.
Summary of the invention
Object of the present invention be exactly provide a kind of to overcome defect that above-mentioned prior art exists there is three-dimensional build structure pore, different pore size gradient, absorption property is strong, bactericidal and bacteriostatic effect good, the environmentally friendly porous purification ceramic material that can be recycled and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
A kind of multifunctional porous purification ceramic particle material, comprises following component and weight portion content:
Galapectite 30 ~ 50, zeolite 10 ~ 20, diatomite 20 ~ 30, aluminium oxide 10 ~ 20, nano-photo catalytic composite 1 ~ 3.
Described nano-photo catalytic composite be selected from nano-titanium oxide, tungsten oxide, zinc oxide, lanthana or cerium oxide one or more.
A preparation method for multifunctional porous purification ceramic particle material, comprises the following steps:
(1) get the raw materials ready according to following component and weight portion content:
Galapectite 30 ~ 50, zeolite 10 ~ 20, diatomite 20 ~ 30, aluminium oxide 10 ~ 20, nano-photo catalytic composite 1 ~ 3;
(2) ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
(3) mud sieves: continuing add water in the above-mentioned raw material ground after to be machined to containing grain fineness is 200 object mud;
(4) pore-creating: be that the polyurethane foam particles of 80 ~ 100PPI or cystosepiment immerse in mud by porosity, take out after polyurethane foam absorption is saturated;
(5) dry in the shade: the particle of taking-up or sheet material are positioned over shady place, form embryo product;
(6) surface treatment: embryo product are carried out surface finish process;
(7) high-temperature calcination: adopt the temperature of more than 1100 DEG C to calcine the embryo product after grinding process, makes polyurethane foam gasify and decomposes, obtain the particle calcined or sheet material;
(8) flood: the particle calcined or sheet material are immersed in the mother liquor containing nano-photocatalyst material, saturated rear taking-up;
(9) low temperature calcination: adopt the temperature of 500 ~ 600 DEG C to carry out low temperature calcination to by impregnated particle or sheet material, namely obtain multifunctional porous purification ceramic particle material.
The surface roughness Ra < of the embryo product after described grinding process 500 μm.
The concentration of the mother liquor of described nano-photocatalyst material is less than 20mol/L.
Compared with prior art, the present invention has the following advantages:
(1) there is the bending duct of complicated three-dimensional three-dimensional-structure and there is the aperture of different gradient.The channels diameter range of this ceramic particle is at 200 ~ 500nm, and hole wall is the porous material with 2 ~ 10nm, this duct with different gradient aperture exists simultaneously and this purification ceramic particle is had compare the higher specific area of other products, its absorption affinity and catalytic activity, its depollution of environment performance has obvious advantage compared with conventional porous materials.
(2) the present invention synthesizes multifunctional porous its micropore of purification ceramic material obtained is that the pore of three-dimensional three-dimensional-structure accounts for more than 95% or 95% of pore volume, ensure that high efficiency and the high adsorption capacity of material.The pore of three-dimensional three-dimensional-structure is different from traditional one channel structure, one channel structure adsorbance is little, easily saturated, recycling rate of waterused is low, purification efficiency is low.And the structure of the three-dimensional build of purification ceramic particle of the present invention prosperity solves these problems.
(3) have employed galapectite, aluminium oxide, diatomite, zeolite be wall material aggregate.Galapectite is natural nano tubulose silicate clay mineral, and feature has the similar hollow tubular structure of CNT, very high specific area, unique adsorptivity, excellent biocompatibility and chemistry and heat endurance.Its special structure of galapectite and physicochemical properties make it have excellent antibacterial, absorption property, and have good compound, doping performance.Aluminium oxide has loose structure equally, is good catalyst carrier, has very high specific area, absorption property and higher physical strength simultaneously.Diatomite has that porosity is large, absorbability is strong, stable chemical nature, the feature such as wear-resisting, heat-resisting, and be a kind of sorbing material of excellence, absorption organic volatile ability is strong.Zeolite has the performances such as splendid adsorptivity, ion exchangeable, catalysis and acidproof heat-proof, is widely used as adsorbent, ion-exchanger and catalyst, the aspect such as also can be used for the drying of gas, purify water.
(4) lattice defect in the catalytic composite materials adopted and room electronic energy form chemical bond with harmful organic volatile, adsorb and decompose organic volatile, and can exciting light catalysis material, improve the catalytic activity of catalysis material, improve purification efficiency.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
A technological process for multifunctional porous purification ceramic material, is divided into six procedures by its tandem: raw material, ball milling, mud sieve, pore-creating, dry in the shade, surface treatment, high-temperature calcination, dipping, low temperature calcination;
Raw material galapectite 40kg, zeolite 15kg, diatomite 25kg, aluminium oxide 20kg, nano-photocatalyst material 3kg, described nano-photocatalyst material is nano-titanium oxide/lanthana composite;
Ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
Mud sieves: the raw material ground and a certain proportion of water are machined to fineness and reach 200 orders;
Pore-creating: be 80PPI by porosity, diameter is that the polyurethane foam particles of 5mm immerses in mud, take out after polyurethane foam absorption is saturated;
Dry in the shade: the particle of taking-up is positioned over shady place, form embryo product;
Surface treatment: embryo product are carried out surface finish process, makes specification meet instructions for use;
High-temperature calcination: adopt the temperature of 1100 DEG C to calcine embryo product, polyurethane foam gasification is decomposed;
Dipping: the particle calcined is immersed in the mother liquor containing nano-photocatalyst material, saturated rear taking-up;
Low temperature calcination: adopt the temperature of 500 DEG C to carry out low temperature calcination to by impregnated particle;
Products obtained therefrom is: spherical ceramic particles, and aperture is about 350nm, and diameter is 4 ~ 5mm.
Embodiment 2
The technological process of a kind of multifunctional porous purification ceramic material of the present invention, is divided into six procedures by its tandem: raw material, ball milling, mud sieve, pore-creating, dry in the shade, high-temperature calcination, dipping, low temperature calcination;
Raw material galapectite 45kg, zeolite 15kg, diatomite 25kg, aluminium oxide 15kg, nano-photocatalyst material 2kg, described nano-photocatalyst material is nanometer tungsten oxide/praseodymium oxide composite;
Ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
Mud sieves: the raw material ground and a certain proportion of water are machined to fineness and reach 200 orders;
Pore-creating: be 90PPI by porosity, specification is that the polyurethane plate of 20 × 20 × 2.5cm immerses in mud, take out after polyurethane foam absorption is saturated;
Dry in the shade: the sheet material of taking-up is positioned over shady place, form embryo product;
Surface treatment: embryo product are carried out surface finish process, makes specification meet instructions for use;
High-temperature calcination: adopt the temperature of 1150 DEG C to calcine embryo product, polyurethane foam gasification is decomposed;
Dipping: the particle calcined is immersed in the mother liquor containing nano-photocatalyst material, saturated rear taking-up;
Low temperature calcination: adopt the temperature of 550 DEG C to carry out low temperature calcination to by impregnated particle;
Products obtained therefrom is: cuboid ceramic wafer, and aperture is about 300nm, and specification is 20 × 20 × 2.5cm.
Embodiment 3
A technological process for multifunctional porous purification ceramic material, is divided into six procedures by its tandem: raw material, ball milling, mud sieve, pore-creating, dry in the shade, surface treatment, high-temperature calcination, dipping, low temperature calcination;
Raw material galapectite 50kg, zeolite 20kg, diatomite 20kg, aluminium oxide 10kg, nano-photocatalyst material 3kg, described nano-photocatalyst material is nano zine oxide/cerium oxide composite;
Ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
Mud sieves: the raw material ground and a certain proportion of water are machined to fineness and reach 200 orders;
Pore-creating: be 100PPI by porosity, diameter is that the polyurethane foam particles of 10mm immerses in mud, take out after polyurethane foam absorption is saturated;
Dry in the shade: the particle of taking-up is positioned over shady place, form embryo product;
Surface treatment: embryo product are carried out surface finish process, makes specification meet instructions for use;
High-temperature calcination: adopt the temperature of 1200 DEG C to calcine embryo product, polyurethane foam gasification is decomposed;
Dipping: the particle calcined is immersed in the mother liquor containing nano-photo catalytic composite, saturated rear taking-up;
Low temperature calcination: adopt the temperature of 600 DEG C to carry out low temperature calcination to by impregnated particle;
Products obtained therefrom is: spherical ceramic particles, and aperture is about 250nm, and diameter is 9 ~ 10mm.
Be below the present invention about the relevant data going formaldehyde and anti-microbial property to test in Chinese building material institutes:
Purifying formaldehyde efficiency test result (ring prison) No. 2011-W-0207, word
Anti-microbial property test result (ring prison) No. 2011-W-0208, word
Embodiment 4
A preparation method for multifunctional porous purification ceramic particle material, comprises the following steps:
(1) get the raw materials ready according to following component and content:
Galapectite 30kg, zeolite 20kg, diatomite 30kg, aluminium oxide 20kg, nano-photo catalytic composite 1kg, wherein, the mixture that the nano-photo catalytic composite of use is nano-titanium oxide and tungsten oxide;
(2) ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
(3) mud sieves: continuing add water in the above-mentioned raw material ground after to be machined to containing grain fineness is 200 object mud;
(4) pore-creating: be that the polyurethane foam particles of 80PPI or cystosepiment immerse in mud by porosity, take out after polyurethane foam absorption is saturated;
(5) dry in the shade: the particle of taking-up or sheet material are positioned over shady place, form embryo product;
(6) surface treatment: embryo product are carried out surface finish process to surface roughness Ra < 500 μm;
(7) high-temperature calcination: adopt the temperature of more than 1100 DEG C to calcine the embryo product after grinding process, makes polyurethane foam gasify and decomposes, obtain the particle calcined or sheet material;
(8) flood: immerse in the mother liquor containing nano-photocatalyst material by the particle calcined or sheet material, saturated rear taking-up, the concentration of the mother liquor of nano-photocatalyst material is 15mol/L;
(9) low temperature calcination: adopt the temperature of 500 DEG C to carry out low temperature calcination to by impregnated particle or sheet material, namely obtain multifunctional porous purification ceramic particle material.
Embodiment 5
A kind of multifunctional porous purification ceramic particle material, comprises following component and weight portion content:
Described nano-photo catalytic composite be selected from nano-titanium oxide, tungsten oxide, zinc oxide, lanthana or cerium oxide one or more.
A preparation method for multifunctional porous purification ceramic particle material, comprises the following steps:
(1) get the raw materials ready according to following component and weight portion content:
Galapectite 50kg, zeolite 10kg, diatomite 20kg, aluminium oxide 10kg, nano-photo catalytic composite 3kg, wherein, the mixture that the nano-photo catalytic composite of use is lanthana and cerium oxide;
(2) ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
(3) mud sieves: continuing add water in the above-mentioned raw material ground after to be machined to containing grain fineness is 200 object mud;
(4) pore-creating: be that the polyurethane foam particles of 100PPI or cystosepiment immerse in mud by porosity, take out after polyurethane foam absorption is saturated;
(5) dry in the shade: the particle of taking-up or sheet material are positioned over shady place, form embryo product;
(6) surface treatment: embryo product are carried out surface finish process to surface roughness Ra < 500 μm;
(7) high-temperature calcination: adopt the temperature of more than 1100 DEG C to calcine the embryo product after grinding process, makes polyurethane foam gasify and decomposes, obtain the particle calcined or sheet material;
(8) flood: immerse in the mother liquor containing nano-photocatalyst material by the particle calcined or sheet material, saturated rear taking-up, the concentration of the mother liquor of nano-photocatalyst material is 10mol/L;
(9) low temperature calcination: adopt the temperature of 600 DEG C to carry out low temperature calcination to by impregnated particle or sheet material, namely obtain multifunctional porous purification ceramic particle material.

Claims (4)

1. a multifunctional porous purification ceramic particle material, is characterized in that, this material comprises following component and weight portion content:
Galapectite 30 ~ 50, zeolite 10 ~ 20, diatomite 20 ~ 30, aluminium oxide 10 ~ 20, nano-photo catalytic composite 1 ~ 3;
Described nano-photo catalytic composite be selected from nano-titanium oxide, tungsten oxide, zinc oxide, lanthana or cerium oxide one or more.
2. a preparation method for basis multifunctional porous purification ceramic particle material as claimed in claim 1, it is characterized in that, the method comprises the following steps:
(1) get the raw materials ready according to following component and weight portion content:
Galapectite 30 ~ 50, zeolite 10 ~ 20, diatomite 20 ~ 30, aluminium oxide 10 ~ 20, nano-photo catalytic composite 1 ~ 3;
(2) ball milling: raw material galapectite, zeolite, diatomite, aluminium oxide are adopted spheroid to be that the ball mill of stone material carries out ball mill grinding respectively;
(3) mud is made: continuing add water in the above-mentioned raw material ground after to be machined to containing grain fineness is 200 object mud;
(4) pore-creating: be that the polyurethane foam particles of 80 ~ 100PPI or cystosepiment immerse in mud by porosity, take out after polyurethane foam absorption is saturated;
(5) dry in the shade: the particle of taking-up or sheet material are positioned over shady place, form embryo product;
(6) surface treatment: embryo product are carried out surface finish process;
(7) high-temperature calcination: adopt the temperature of more than 1100 DEG C to calcine the embryo product after grinding process, makes polyurethane foam gasify and decomposes, obtain the particle calcined or sheet material;
(8) flood: the particle calcined or sheet material are immersed in the mother liquor containing nano-photocatalyst material, saturated rear taking-up;
(9) low temperature calcination: adopt the temperature of 500 ~ 600 DEG C to carry out low temperature calcination to by impregnated particle or sheet material, namely obtain multifunctional porous purification ceramic particle material.
3. the preparation method of a kind of multifunctional porous purification ceramic particle material according to claim 2, is characterized in that, the surface roughness Ra <500 μm of the embryo product after described grinding process.
4. the preparation method of a kind of multifunctional porous purification ceramic particle material according to claim 2, it is characterized in that, the concentration of the mother liquor of described nano-photocatalyst material is less than 20mol/L.
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