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 PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- slurry
- diatom plate
- photo
- diatom
- catalysis function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
- C04B28/10—Lime cements or magnesium oxide cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/20—Producing shaped prefabricated articles from the material by centrifugal or rotational casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use 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
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/08—Diatomaceous earth
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings 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
- E04F13/0866—Coverings 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710088822.3A CN106747162B (en) | 2017-02-20 | 2017-02-20 | A kind of diatom plate and its production technology with photo-catalysis function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710088822.3A CN106747162B (en) | 2017-02-20 | 2017-02-20 | A kind of diatom plate and its production technology with photo-catalysis function |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106747162A true CN106747162A (en) | 2017-05-31 |
CN106747162B CN106747162B (en) | 2018-12-21 |
Family
ID=58958829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710088822.3A Active CN106747162B (en) | 2017-02-20 | 2017-02-20 | A kind of diatom plate and its production technology with photo-catalysis function |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106747162B (en) |
Cited By (6)
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)
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 |
-
2017
- 2017-02-20 CN CN201710088822.3A patent/CN106747162B/en active Active
Patent Citations (2)
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)
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 |
Also Published As
Publication number | Publication date |
---|---|
CN106747162B (en) | 2018-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106747162B (en) | A kind of diatom plate and its production technology with photo-catalysis function | |
CN108658574B (en) | Anti-powder-dropping aerogel composite heat-insulating felt | |
CN100537469C (en) | Fibre-reinforced cement compound external wall panel and method of producing the same | |
CN105294040B (en) | A kind of Thistle board and preparation method thereof | |
EP2679559B1 (en) | Inorganic board and method for manufacturing inorganic board | |
CN102633483B (en) | Composite material with self-regulating function and production method thereof | |
CN105130362A (en) | Humidity-regulating light-weight calcium silicate board and production method thereof | |
CN107162546A (en) | A kind of diatom plate with antibacterial functions and preparation method thereof | |
NZ546876A (en) | Fibers reinforced cement sheet product and production method thereof | |
CN107189761B (en) | Phase-change temperature-regulating diatom composition, phase-change temperature-regulating diatom plate and manufacturing method of phase-change temperature-regulating diatom plate | |
CN110482978B (en) | Diatom-based calcium silicate board and preparation method thereof | |
CN109776055B (en) | Multifunctional environment-friendly zeolite diatom ooze interior wall coating | |
CN109437779B (en) | Inorganic non-metal multifunctional white flexible indoor decorative cement board | |
CN103351688A (en) | Preparation method of interior wall putty capable of eliminating formaldehyde | |
CN114751707A (en) | Internal and external hydrophobic xonotlite calcium silicate plate and manufacturing method and application thereof | |
CN101433822B (en) | Air purification material and preparation method thereof as well as produced art ware or material for decoration | |
CN107572951A (en) | A kind of high fine and close calcium silicate board and preparation method thereof | |
CN103553485A (en) | Preparation method of healthful environment-friendly diatomite wall material powder with temperature adjustment function | |
CN102491681A (en) | Preparation method of carbon-based plate | |
CN111116158A (en) | Composite powder of graphene-like and inorganic ecological material, composite ecological plate and preparation method | |
CN106542773A (en) | A kind of polyester fiber strengthens resistance and splits type diatom mud material and preparation method thereof | |
CN1686905A (en) | Method for producing aggregate of gypsum-fiber through dry type mixing gypsum and fiber | |
CN109053108A (en) | A kind of diatomite plate and preparation method thereof | |
CN112125620B (en) | Aerated concrete block with sanding powder as raw material and preparation method thereof | |
CN107602027A (en) | It is a kind of to use calcium silicate board of modification infusorial earth and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |