CN106747162A - A kind of diatom plate and its production technology with photo-catalysis function - Google Patents

A kind of diatom plate and its production technology with photo-catalysis function Download PDF

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CN106747162A
CN106747162A CN201710088822.3A CN201710088822A CN106747162A CN 106747162 A CN106747162 A CN 106747162A CN 201710088822 A CN201710088822 A CN 201710088822A CN 106747162 A CN106747162 A CN 106747162A
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slurry
diatom plate
photo
diatom
catalysis function
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CN106747162B (en
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郑水林
孙志明
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10Lime cements or magnesium oxide cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/20Producing shaped prefabricated articles from the material by centrifugal or rotational casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/08Diatomaceous earth
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    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/06Oxides, Hydroxides
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
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    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire

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Abstract

The invention discloses a kind of diatom plate with photo-catalysis function and its production technology, diatom plate is lamination diatom plate, is made up of multilayer diatom unit laminate, and the bed of material of diatom plate is divided into superficial layer and intermediate layer:Surface level is located at the centre of both side surface layer in the both sides of diatom plate, intermediate layer;The bed of material sum of diatom plate is 12 20 layers;Wherein, the intermediate layer of diatom plate is made up of slurry A, and the superficial layer of diatom plate is made up of slurry B;Contain nano-TiO in slurry B2/ diatomite composite material;There is further disclosed herein the production technology of the diatom plate with photo-catalysis function.Diatom plate of the invention can not only adsorb the organic pollutions such as formaldehyde, toluene, ammonia that hazardous contaminant in trap chamber can also be caught with the absorption of last decomposition diatom plate surface under light illumination, and purification efficiency is high, clean-up effect is lasting;Diatom plate of the invention has good humidity conditioning function, and specific surface is big, thermal conductivity factor is good, High anti bending strength, long service life.

Description

A kind of diatom plate and its production technology with photo-catalysis function
Technical field
The invention belongs to mineral material and application and field of inorganic nonmetallic material, and in particular to one kind has photocatalysis work( The diatom plate and its production technology of energy.
Background technology
Diatomite be a kind of ancient times diatom through biogenic silicastone, with the spy such as loose, light weight, porous Property, and be distributed with three-dimensional open-framework and nano aperture, distribution of pores is regular, is widely used in preparing health, environmental protection, section The functional materials such as energy.Early in eighties of last century eighties, just have with diatomite and lime as primary raw material, asbestos as reinforcing fiber, It is molded using cast and die pressing, the production and application of the calcium silicate board with microporous of high temperature steam curing.But, using above-mentioned technique The calcium silicate board intensity of production is relatively low, and unitary function (is mainly used in heat-insulation and heat-preservation), it is impossible to meet the demand in market, in recent years, The functional exploitation dynamics of diatom plate gradually increases, existing diatomite feature board in addition to incubation and thermal insulation function, also absorption, Humidity conditioning function, but there is not yet the diatom plate of the toxic organic pollution functions such as indoor formaldehyde is removed with sustainable degraded Report.
The content of the invention
Do not adsorbed for current diatomite feature board and decompose the toxic organic pollution work(such as indoor formaldehyde with sustainable Can this is not enough, the present invention propose the toxic and harmfuls such as a kind of adsorbable and last decomposition indoor formaldehyde, toluene, ammonia and Can damping diatom plate with photo-catalysis function and its production technology.
The technical scheme that the present invention is provided is as follows:
A kind of diatom plate with photo-catalysis function:The diatom plate is lamination diatom plate, by the bed of material structure of multilayer tabular Into the bed of material of the diatom plate is divided into superficial layer and intermediate layer;The surface level is divided into upper table in the both sides of the diatom plate Surface layer and undersurface layer;The intermediate layer is located at the centre of superficial layer described in both sides;Wherein, the intermediate layer of the diatom plate It is made up of slurry A, the superficial layer of the diatom plate is made up of slurry B;Contain nano-TiO in the slurry B2/ diatomite Composite.
The bed of material of the diatom plate with photo-catalysis function is total for 12-20 layers, preferably 12,14,16,18,20 layers, The thickness of each of which bed of material is 1-2mm, preferably 1.5mm;The bed of material is the stratiform filter cake before shaping, the bed of material number It is the number of plies by the filter cake after drum-type forming machine, the quantity of the bed of material can flexibly control the thickness of diatom plate;It is each The composition of raw materials of the bed of material can be with identical, it is also possible to different, can be according to the requirement of diatom plate application technology performance in stream slurry conveying When switch over and adjust.
In the formula of the slurry A, in terms of mass parts, each constituent is:Diatomite 30-45 parts, lime 30-45 parts, Mineral filler 10-15 parts, mineral fibres 3-8 parts, wood fibre 5-15 parts, thickener 0.5-2 parts, water is according to the solid mass ratio of liquid 3.5~4:1 takes corresponding number;The solid mass ratio of the liquid refers to the quality of water and the ratio of all solids component gross mass.
Preferably, in the formula of the slurry A, in terms of mass parts, each constituent is:35 parts of diatomite, 40 parts of lime, 10 parts of mineral filler, 5 parts of calcium sulfate crystal whiskers, 10 parts of wood fibre, 1 part of thickener, 400 parts of water.
Another preferred, in the formula of the slurry A, in terms of mass parts, each constituent is:34 parts of diatomite, lime 45 parts, 11 parts of mineral filler, 3 parts of attapulgite, 7 parts of wood fibre, 1 part of thickener, 400 parts of water.
In the formula of the slurry B, in terms of mass parts, each constituent:It is diatomite 30-45 parts, lime 30-50 parts, Mineral filler 10-15 parts, mineral fibres 3-8 parts, wood fibre 5-15 parts, thickener 0.5-3 parts, nano-TiO2/ tripolite compound 1.2 parts of condensation material, water is according to the solid mass ratio 3.5~4 of liquid:1 takes corresponding number;The solid mass ratio of the liquid refers to quality and the institute of water There is the ratio of solid constituent gross mass.It is organic that the diatom plate produced with the formula possesses sustainable degraded indoor formaldehyde, toluene, ammonia etc. The function of pollutant.
Preferably, in the formula of the slurry B, in terms of mass parts, each constituent is:40 parts of diatomite, 40 parts of lime, 10 parts of mineral filler, 5 parts of attapulgite, 5 parts of wood fibre, 1 part of thickener, nano-TiO21.2 parts of/diatomite composite material, 400 parts of water.
Another preferred, in the formula of the slurry B, in terms of mass parts, each constituent is:40 parts of diatomite, lime 40 parts, 10 parts of mineral filler, 5 parts of calcium sulfate crystal whiskers, 5 parts of wood fibre, 1 part of thickener, nano-TiO2/ diatomite composite material 1.2 parts, 400 parts of water.
Nano-TiO in the formula of the slurry B of the diatom plate with photo-catalysis function2/ diatomite composite material, be Nitrogen-doped nanometer TiO with absorption and photo-catalysis function and antibacterial functions2/ diatomite composite material;The nano-TiO2/ silicon TiO in diatomaceous earth composite2It is 1 with diatomaceous mass ratio:(2~5), photocatalysis is imitated under this composite has visible ray Rate is higher, it is safe and reliable the features such as.
Preferably, the nano-TiO2TiO in/diatomite composite material2It is 2 with diatomaceous mass ratio:5.
The formula of the slurry A is used to be formed the intermediate layer of the diatom plate, i.e. non-surface layer or 2~(n-1) layers, in formula N is total number of plies of diatom plate;The formula of slurry B is used to be formed the superficial layer of the diatom plate both sides, i.e., the 1st layer and n-th layer;It is former Because be slurry B formula in contain nano-TiO2/ diatomite composite material, the nano-TiO2/ diatomite composite material is that have Absorption and the nitrogen-doped nanometer TiO of photo-catalysis function and antibacterial functions2/ diatomite composite material, this composite has can See under light photocatalysis efficiency it is higher, it is safe and reliable the features such as, this material under light illumination can be with last decomposition diatom plate table The organic pollutions such as formaldehyde, toluene, the ammonia that face absorption catches.
Diatomite in the formula of the slurry A and B of the diatom plate with photo-catalysis function, can be diatom original soil, The diatomite of dry classification, wet concentration diatomite or less than the 950 DEG C diatomite calcined, the diatomaceous diatom content >= 70%, granularity≤150 μm;The diatom content refers to noncrystalline SiO2Content.
Mineral filler in the formula of the slurry A and B of the diatom plate with photo-catalysis function, can be volcanic ash, Any one in silica flour and low temperature calcination kaolin powder or two kinds of combinations, granularity≤150 μm;The low temperature calcination kaolin The main mineral constituent of powder is metakaolinite powder.
Mineral fibres in the formula of the slurry A and B of the diatom plate with photo-catalysis function, can be brilliant calcium sulfate Must be with any one in attapulgite clay or two kinds of combinations.
Thickener in the formula of the slurry A and B of the diatom plate with photo-catalysis function, can be hydroxy ethyl fiber Any one in element, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose or two or more combinations.
Can be polyethylene in the adhesive of filter cake surface spraying during the diatom sheet metal forming with photo-catalysis function Any one in alcohol, polyethylene glycol and polyethylene glycol oxide or two kinds of combinations, described adhesive consumption is being urged with light for shaping Change the 0.3%~1.3% of the diatom plate board quality of function.
Present invention also offers a kind of production technology of the diatom plate with photo-catalysis function, its step is as follows:
(1) slurry A and slurry B is produced respectively:Respectively raw material A and raw material are weighed by the formula of slurry A and the formula of slurry B B, by the solid mass ratio 3.5~4 of liquid:1 addition clear water is stirred prepared slurry A and slurry B;
(2) according to the order of slurry B-slurry A-slurry B, filtered using the distribution slurry flowing machine with solid-liquid separation function Filter cake is simultaneously delivered to drum-type forming machine by slurry, folds roll forming;It is equal on filter cake surface before filter cake reaches rotating cylinder forming machine Even sprayed adhesive;
(3) filter cake of the uniform sprayed adhesive in surface is successively rolled onto on rotating cylinder using drum-type forming machine, continuous volume 12-20 layers, wherein the 1st layer be B formulation materials, the 2nd~(n-1) layer be A formulation materials, n-th layer be B formulation materials, after the completion of unload it is whole Lamination diatom plate is opened, rotating cylinder forming machine continues the next shaping of diatom plate;
(4) the diatom plate sheet material after the shaping for obtaining step (3) is dried at room temperature for 24h;Then 150-200 DEG C, Steam press maintenance 8-12h under 1.0-1.5MPa pressure conditions;
(5) the good diatom plate drying of step (4) steam press maintenance, cutting are arranged, that is, obtains the silicon with photo-catalysis function Algae plate.
The formula of the slurry A includes diatomite, lime, mineral filler, wood fibre, mineral fibres, thickener and water; The formula of the slurry B includes diatomite, lime, mineral filler, wood fibre, mineral fibres, thickener, nano-TiO2/ silicon Diatomaceous earth composite and water.
The diatom plate with photo-catalysis function prepared using above-mentioned technical proposal has excellent photocatalysis performance, can See under light, 48h purifying formaldehyde efficiency can reach more than 90%, and purifying formaldehyde effect persistence reaches more than 80%.Additionally, this Diatom plate also has the characteristics such as excellent absorption damping, heat-insulation and heat-preservation and high-strength light.Its density≤0.75g/ ㎝ 3, specific surface Product >=40m2/ g, thermal conductivity factor≤0.17W/ (mK), rupture strength > 9.5Mpa, hygroscopic capacity reaches 80 × 10 within 24 hours-3kg/ m2More than.This diatom plate with photo-catalysis function can be extensively using interior decoration and finishing, environmental protection, energy-conservation and daily life Apply flexibly the fields such as product.
The present invention compared with prior art, has the advantage that and has the beneficial effect that:
(1) nitrogen-doped nanometer of the addition with photocatalysis performance in the superficial layer or near surface layer formula of diatom plate TiO2/ diatomite composite material, not only there is absorption to catch the organic pollutions such as indoor formaldehyde, toluene to make the diatom plate of production Function, and due under light illumination the organic contaminations such as the formaldehyde, toluene, the ammonia that catch can be adsorbed with last decomposition diatom plate surface Thing, so that the function with sustainable elimination indoor organic pollutant, and organic pollution purification efficiency is high, clean-up effect is held Long.
(2) structure of diatom plate sheet material of the invention, composition and thickness can be with flexible modulations, such that it is able to produce various work( The diatom plate of energy or different application technical property requirements.
(3) diatom plate of the invention has good humidity conditioning function, and specific surface is big, and thermal conductivity factor is good, and anti-folding is strong Degree is high, long service life.
Brief description of the drawings
Fig. 1 is the structural representation of the diatom plate with photo-catalysis function prepared by present invention process method;
Label in figure:1- contains the nitrogen-doped nanometer TiO with photocatalysis performance2/ diatomite composite material composition it is upper Superficial layer, 2- intermediate layers, 3- contains the nitrogen-doped nanometer TiO with photocatalysis performance2The following table of/diatomite composite material composition Surface layer.
Specific embodiment
In order to deepen the understanding of the present invention, there is photocatalysis work(to the present invention below in conjunction with the drawings and specific embodiments The structure and preparation process of the diatom plate of energy are described in further detail:
Embodiment 1:
1. diatomite 35kg, lime 40kg, volcanic ash 10kg, wood fibre 10kg, calcium sulfate crystal whiskers are weighed by formula A Dispersion is carried out in 5kg, hydroxyethyl cellulose 1kg, water 400kg addition mixer to size mixing, obtain slurry A;Diatomite is weighed by formula B 40kg, lime 40kg, volcanic ash 5kg, silica flour 5kg, wood fibre 5kg, attapulgite 5kg, methyl hydroxyethylcellulose 1kg, nitrogen-doped nanometer TiO2Dispersion is carried out in/diatomite composite material 1.2kg, water 400kg addition mixer to size mixing, obtain slurry B;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyvinyl alcohol in surface, spray flux is spray cake solids quality 1.0%;Drum-type forming machine is by surface The slurry B filter cakes of uniform sprayed adhesive are rolled onto on rotating cylinder;After 1 layer of volume, slurry flowing machine is changed into and filters and convey slurry A automatically, And spraying the adhesive polyethylene alcohol of slurry A cake solids quality 0.5%, slurry A is continuously after 10 layers of volume, then changes slurry into automatically B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 180 DEG C, 1.0MPa pressure conditions again 10h;
4. the diatom plate after steam press maintenance is dried, cutting is organized into the diatom plate with photo-catalysis function.
Using GB/T 16129-1995《Residential area Formaldehyde in Atmosphere health test method-AAS》And JCT 1074-2008《Function of purifying indoor air coating material purifying property》Method test purifying formaldehyde efficiency and the first of standard recommendation Aldehyde clean-up effect persistence;Using JC/T2002-2009《Construction material moisture absorption and desorption property method of testing》And JC/T2177-2013 《Diatom ooze decorative wall material》The method test moisture pick-up properties of standard recommendation;Using JC/T 1074-2008《Calcium silicate Plate part 1:Asbestos-free calcium silicate board》The method of standard recommendation tests density, intensity, the thermal conductivity factor (thermal conductivity of diatom plate Can).The testing result of diatom plate prepared by embodiment 1 is listed in table 1.
Embodiment 2:
1. diatomite 30kg, lime 40kg, volcanic ash 10kg, silica flour 5kg, wood fibre 8kg, sulphur are weighed by formula A Sour calcium pyroborate 7kg, hydroxyethyl cellulose 1.2kg, carry out dispersion and size mixing in water 360kg addition mixers, obtain slurry A;Slurry B matches somebody with somebody Side is with embodiment 1;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyethylene glycol in surface, spray flux is spray cake solids quality 1.3%;Drum-type forming machine is by surface The slurry B filter cakes of uniform sprayed adhesive are rolled onto on rotating cylinder;After 1 layer of volume, slurry flowing machine is changed into and filters and convey slurry A automatically, And spraying the adhesive polyethylene glycol of slurry A cake solids quality 0.7%, slurry A is continuously after 12 layers of volume, then changes slurry into automatically B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 190 DEG C, 1.2MPa pressure conditions again 8h;
Remaining is with embodiment 1.
With embodiment 1, testing result is listed in table to the detection method of the diatom plate with photo-catalysis function prepared by embodiment 2 1。
Embodiment 3:
1. diatomite 40kg, lime 35kg, silica flour 10kg, wood fibre 11kg, calcium sulfate crystal whiskers are weighed by formula A 4kg, ethylhydroxyethylcellulose 1.5kg, carry out dispersion and size mixing in water 400kg addition mixers, obtain slurry A;Slurry B formulas are same Embodiment 1;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyvinyl alcohol in surface, spray flux is spray cake solids quality 1.2%;Drum-type forming machine is by surface The slurry B filter cakes of uniform sprayed adhesive are rolled onto on rotating cylinder;After 1 layer of volume, slurry flowing machine is changed into and filters and convey slurry A automatically, And spraying the adhesive polyethylene alcohol of slurry A cake solids quality 0.6%, slurry A is continuously after 14 layers of volume, then changes slurry into automatically B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 170 DEG C, 0.9MPa pressure conditions again 12h;
Remaining is with embodiment 1.
With embodiment 1, testing result is listed in table to the detection method of the diatom plate with photo-catalysis function prepared by embodiment 3 1。
Embodiment 4:
1. diatomite 45kg, lime 35kg, volcanic ash 5kg, silica flour 5kg, wood fibre 6kg, concavo-convex is weighed by formula A Rod stone 4kg, hydroxyethyl cellulose 0.7kg, carry out dispersion and size mixing in water 400kg addition mixers, obtain slurry A;Weighed by formula B Diatomite 40kg, lime 40kg, volcanic ash 5kg, silica flour 5kg, wood fibre 5kg, calcium sulfate crystal whiskers 5kg, dimethyl hydroxyethyl Cellulose 1kg, nitrogen-doped nanometer TiO2Dispersion is carried out in/diatomite composite material 1.2kg, water 400kg addition mixer to size mixing, Obtain slurry B;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyethylene glycol in surface, spray flux is spray cake solids quality 1.1%;Drum-type forming machine is by surface The slurry B filter cakes of uniform sprayed adhesive are rolled onto on rotating cylinder;After 1 layer of volume, slurry flowing machine is changed into and filters and convey slurry A automatically, And spraying the adhesive polyethylene glycol of slurry A cake solids quality 0.6%, slurry A is continuously after 16 layers of volume, then changes slurry into automatically B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 190 DEG C, 1.2MPa pressure conditions again 9h;
Remaining is with embodiment 1.
With embodiment 1, testing result is listed in table to the detection method of the diatom plate with photo-catalysis function prepared by embodiment 4 1。
Embodiment 5:
1. by formula A weigh diatomite 34kg, lime 45kg, calcined kaolin 6kg, silica flour 5kg, wood fibre 7kg, Attapulgite 3kg, methyl hydroxyethylcellulose 1.0kg, carry out dispersion and size mixing in water 380kg addition mixers, obtain slurry A;Material Slurry B formulas are with embodiment 4;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyethylene glycol oxide in surface, spray flux is spray cake solids quality 0.6%;Drum-type forming machine is by table The slurry B filter cakes of the uniform sprayed adhesive in face are rolled onto on rotating cylinder;After 1 layer of volume, slurry flowing machine is changed into and filters and convey slurry automatically A, and the adhesive polyethylene glycol oxide of slurry A cake solids quality 0.3% is sprayed, after slurry A continuously rolls up 18 layers, then change into automatically Slurry B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 190 DEG C, 1.2MPa pressure conditions again 9h;
Remaining is with embodiment 1.
With embodiment 1, testing result is listed in table to the detection method of the diatom plate with photo-catalysis function prepared by embodiment 5 1。
Embodiment 6
1. diatomite 38kg, lime 37kg, volcanic ash 6kg, silica flour 4kg, wood fibre 10kg, sulphur are weighed by formula A Sour calcium pyroborate 4kg, hydroxyethyl cellulose 1.0kg, carry out dispersion and size mixing in water 400kg addition mixers, obtain slurry A;Slurry B matches somebody with somebody Side is with embodiment 1;
2. well mixed slurry B is filtered and is conveyed through slurry flowing machine, at it before filter cake arrives at drum-type forming machine The uniform sprayed adhesive polyethylene glycol oxide in surface, spray flux is spray cake solids quality 0.8%;Drum-type forming machine is by table The slurry B filter cakes of the uniform sprayed adhesive in face are rolled onto on rotating cylinder;After 2 layers of volume, slurry flowing machine is changed into and filters and convey slurry automatically A, and the adhesive polyethylene glycol oxide of slurry A cake solids quality 0.4% is sprayed, after slurry A continuously rolls up 15 layers, then change into automatically Slurry B, completes the whole shaping of the wet diatom plate of lamination after B volumes 1 layer of slurry;
3. the wet diatom plate being molded is dried at room temperature for after 24h the steam press maintenance under 180 DEG C, 1.0MPa pressure conditions again 10h;
Remaining is with embodiment 1.
With embodiment 1, testing result is listed in table to the detection method of the diatom plate with photo-catalysis function prepared by embodiment 6 1。
The implementation result of table 1
Although last it should be noted that described in detail to the present invention above, above-mentioned reality in conjunction with the embodiments The exhaustion of example not specific embodiment is applied, above-described embodiment is intended to indicate that the present invention, the protection being not intended to limit the present invention Scope, for a person skilled in the art, without departing from the principles and spirit of the present invention, can be to these tools Body implementation method or embodiment carry out various changes, modification, replacement and modification, these designed without performing creative labour with The same or analogous structure of inventive technique scheme, device, equipment or product and preparation method thereof, application method and/or purposes, Should be included within the scope of the present invention.

Claims (10)

1. a kind of diatom plate with photo-catalysis function, it is characterised in that:The diatom plate is lamination diatom plate, by multilayer tabular The bed of material constitute, the bed of material of the diatom plate is divided into superficial layer and intermediate layer;The surface level in the both sides of the diatom plate, It is divided into upper surface layer and undersurface layer;The intermediate layer is located at the centre of superficial layer described in both sides;Wherein, the institute of the diatom plate State intermediate layer to be made up of slurry A, the superficial layer of the diatom plate is made up of slurry B;Contain nanometer in the slurry B TiO2/ diatomite composite material.
2. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function The bed of material sum of diatom plate be 12-20 layer, the thickness of each of which bed of material is 1-2mm, and the bed of material is the layer before being molded Shape filter cake.
3. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:In the formula of the slurry A, In terms of mass parts, each constituent is:Diatomite 30-45 parts, lime 30-45 parts, mineral filler 10-15 parts, mineral fibres 3-8 Part, wood fibre 5-15 parts, thickener 0.5-2 parts, water is according to the solid mass ratio 3.5~4 of liquid:1 takes corresponding number.
4. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:In the formula of the slurry B, In terms of mass parts, each constituent is:Diatomite 30-45 parts, lime 30-50 parts, mineral filler 10-15 parts, mineral fibres 3-8 Part, wood fibre 5-15 parts, thickener 0.5-3 parts, nano-TiO21.2 parts of/diatomite composite material, water is according to the solid mass ratio of liquid 3.5~4:1 takes corresponding number.
5. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function Diatom plate slurry A and B formula in diatomite, be diatom original soil, the diatomite of dry classification, wet concentration diatomite or Less than the 950 DEG C diatomite calcined;Diatomaceous diatom content >=70%, diatomaceous granularity≤150 μm.
6. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function Diatom plate slurry A and B formula in mineral filler, be any in volcanic ash, silica flour and low temperature calcination kaolin One or two combinations;Granularity≤150 μm of the mineral filler.
7. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function Diatom plate slurry A and B formula in mineral fibres, be in calcium sulfate crystal whiskers and attapulgite clay any one or Two kinds of combinations.
8. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function Diatom plate slurry A and B formula in thickener, be hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethyl hydroxyl second Any one in base cellulose or two or more combinations.
9. the diatom plate with photo-catalysis function according to claim 1, it is characterised in that:It is described with photo-catalysis function Diatom plate slurry B formula in nano-TiO2/ diatomite composite material, is have absorption and photo-catalysis function and antibacterial The nitrogen-doped nanometer TiO of function2/ diatomite composite material;The nano-TiO2TiO in/diatomite composite material2With diatomite Mass ratio be 1:(2~5).
10. a kind of production technology of diatom plate with photo-catalysis function as described in claim any one of 1-9, its feature exists In:The step of production technology, is as follows:
(1) slurry A and slurry B is produced respectively:Raw material A and raw material B are weighed by the formula of slurry A and the formula of slurry B respectively, is pressed The solid mass ratio 3.5~4 of liquid:1 addition clear water is stirred prepared slurry A and slurry B;
(2) according to the order of slurry B-slurry A-slurry B, using the distribution slurry flowing machine filter slurry with solid-liquid separation function And filter cake is delivered to drum-type forming machine, fold roll forming;Uniformly sprayed on filter cake surface before filter cake reaches rotating cylinder forming machine Drench adhesive;
(3) filter cake of the uniform sprayed adhesive in surface is successively rolled onto on rotating cylinder using drum-type forming machine, continuously rolls up 12-20 Layer, wherein the 1st layer be B formulation materials, the 2nd~(n-1) layer be A formulation materials, n-th layer be B formulation materials, after the completion of unload whole lamination Diatom plate, rotating cylinder forming machine continues the next shaping of diatom plate;
(4) the diatom plate sheet material after the shaping for obtaining step (3) is dried at room temperature for 24h;Then in 150-200 DEG C, 1.0- Steam press maintenance 8-12h under 1.5MPa pressure conditions;
(5) the good diatom plate drying of step (4) steam press maintenance, cutting are arranged, that is, obtains the diatom plate with photo-catalysis function.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107162546A (en) * 2017-07-13 2017-09-15 江苏新大乘环保科技有限公司 A kind of diatom plate with antibacterial functions and preparation method thereof
CN107185403A (en) * 2017-06-27 2017-09-22 成都翰道科技有限公司 A kind of photocatalyst structure applied to air cleaning unit
CN107497433A (en) * 2017-08-23 2017-12-22 胡建农 A kind of composite photocatalyst diatom plate and preparation method thereof
CN109516751A (en) * 2018-12-29 2019-03-26 上海住加建筑科技有限公司 A kind of silicon fibre plate and preparation method thereof with decomposing formaldehyde effect
CN112573891A (en) * 2020-12-10 2021-03-30 山东省泥博士新型材料有限公司 Far infrared health maintenance diatom ooze board and preparation method thereof
CN114516736A (en) * 2022-03-19 2022-05-20 山东凯大新型材料科技有限公司 Diatom plate with photocatalysis function and production process thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202278781U (en) * 2011-10-30 2012-06-20 徐连福 Composite plank of diatom ooze, seashell ooze and diatomite
CN105712689A (en) * 2016-02-03 2016-06-29 临江市大塬硅藻土新材料生态环保科技有限公司 Multifunctional indoor green and environment-friendly diatomite wall material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202278781U (en) * 2011-10-30 2012-06-20 徐连福 Composite plank of diatom ooze, seashell ooze and diatomite
CN105712689A (en) * 2016-02-03 2016-06-29 临江市大塬硅藻土新材料生态环保科技有限公司 Multifunctional indoor green and environment-friendly diatomite wall material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107185403A (en) * 2017-06-27 2017-09-22 成都翰道科技有限公司 A kind of photocatalyst structure applied to air cleaning unit
CN107162546A (en) * 2017-07-13 2017-09-15 江苏新大乘环保科技有限公司 A kind of diatom plate with antibacterial functions and preparation method thereof
CN107497433A (en) * 2017-08-23 2017-12-22 胡建农 A kind of composite photocatalyst diatom plate and preparation method thereof
CN109516751A (en) * 2018-12-29 2019-03-26 上海住加建筑科技有限公司 A kind of silicon fibre plate and preparation method thereof with decomposing formaldehyde effect
CN109516751B (en) * 2018-12-29 2021-02-09 中科住创成都科技有限公司 Silicon fiber board with formaldehyde decomposition function and preparation method thereof
CN112573891A (en) * 2020-12-10 2021-03-30 山东省泥博士新型材料有限公司 Far infrared health maintenance diatom ooze board and preparation method thereof
CN114516736A (en) * 2022-03-19 2022-05-20 山东凯大新型材料科技有限公司 Diatom plate with photocatalysis function and production process thereof

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