CN105948694B - A kind of diatomite decorative brick and its forming method - Google Patents
A kind of diatomite decorative brick and its forming method Download PDFInfo
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- CN105948694B CN105948694B CN201610285701.3A CN201610285701A CN105948694B CN 105948694 B CN105948694 B CN 105948694B CN 201610285701 A CN201610285701 A CN 201610285701A CN 105948694 B CN105948694 B CN 105948694B
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- 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
- C04B28/34—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 cold phosphate binders
-
- 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
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of diatomite decorative brick and its forming method, it is made up of the component of following parts by weight：30~60 parts of diatomite, 15~50 parts of calcined kaolin, 5~12 parts of complex inorganic binder, 2~6 parts of ceramic fibre, 2~6 parts of inorganic pigment.Its forming method includes step：Diatomite, calcined kaolin, complex inorganic binder, ceramic fibre and inorganic pigment are well mixed；Compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, removal mould obtains crude green body after shady place is dried in the shade；Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 150~400 DEG C, and calcination time is 2~10 hours, cools down and produces.The diatomite decorative brick of the present invention has high intensity and high air-filtering ability simultaneously, especially suitable for civil buildings decorating inner and external walls, can be widely applied to the places such as factory, subway, food and drink, amusement, conference centre, theater.
Description
Technical field
The invention belongs to environment friendly decorative material field, and in particular to a kind of diatomite decorative brick and its forming method.
Background technology
Diatomite is a kind of siliceous rock, because of its high porosity, strong adsorption property, largely can be removed in air
Poisonous and harmful substance, extensively using to building material field, at present, the coating of diatom soil matrix has been the numerous people at home
Well-established, it is eliminated the unusual smell, the performance of going formaldehyde, damping, fire-proof and thermal-insulation, antimildew and antibacterial etc. good is spoken approvingly of by the common people.
Diatomaceous content is usually no more than 25% in existing kieselguhr wall material, and adsorption capacity is low, intensity difference, construction journey
Sequence is complicated.The diatomite content of diatomite decoration brick itself is higher, and the ability of purifying formaldehyde is more excellent, but diatomite in powder
It is body formed be it is extremely difficult, the due mechanical performance of decorative brick can neither be reduced in forming process, diatom material can not be lost again
The adsorption property of material, can not be solved using compacting/extrusion molding of routine, bonding forming, high-temperature calcination shaping.Chinese patent
201310184017.2 disclose a kind of diatomaceous forming method, and this method is by compounds such as diatomite, bentonite, kaolin
Mixed using ball mill, being tentatively pressed into crude green body, after 800-1200 DEG C of high-temperature calcination 3-6 hour to obtain mechanical strength good
Diatomite decorative brick.But diatomite passes through 800-1200 DEG C of high-temperature calcination in this method, can cause amorphous in diatomite
Silica crystal transfer, the adsorption property of diatom material is had a strong impact on, the diatomite decorative brick after shaping is almost lost
Air-filtering ability.
The content of the invention
Air-filtering ability is caused to lose because calcining heat is too high in the fabrication process for existing diatomite decorative brick
The problem of, it is an object of the invention to provide a kind of diatomite decorative brick, the diatomite decorative brick has high intensity and height simultaneously
Air-filtering ability.
Another object of the present invention is to provide the forming method of upper diatomite decorative brick.
The present invention is to be achieved through the following technical solutions：
A kind of diatomite decorative brick, the diatomite decorative brick are made up of the component of following parts by weight：
30~60 parts of diatomite,
15~50 parts of calcined kaolin,
5~12 parts of complex inorganic binder,
2~6 parts of ceramic fibre,
2~6 parts of inorganic pigment.
Preferably, described diatomite decorative brick, the proportioning of each component are as follows：
40~50 parts of diatomite,
30~40 parts of calcined kaolin,
6~10 parts of complex inorganic binder,
3~5 parts of ceramic fibre,
3~5 parts of inorganic pigment.
Wherein, the diatomaceous particle diameter is 100~500 mesh, and preferable particle size is 200~400 mesh.
Wherein, the whiteness of the calcined kaolin is more than 95, and particle diameter is 100~300 mesh, and preferable particle size is 180-220 mesh.
Wherein, the complex inorganic binder is the mixture of Ludox, Alumina gel and phosphate composition, and wherein silicon is molten
Glue:Alumina gel:Phosphatic weight proportion is 1:1:0.2-0.3, preferably Ludox:Alumina gel:Phosphatic weight proportion is
1:1:0.25, the phosphate is one kind or several in sodium phosphate, calcium phosphate, magnesium phosphate, potassium phosphate, aluminum phosphate or ammonium phosphate
Kind.
Complex inorganic binder is added with diatomite decorative brick formula of the present invention, the adhesive is high temperature kiln fire proofed wood
Material, jewel, the highly effective binder of hot investment casting, the siliceous aluminum oxide of its main component and phosphate, with matrix composition basic one
Cause, compatibility is good, with regard to that can form high bond strength under 100 DEG C of low temperature after being mixed with shaping aggregate, has at 350 DEG C high anti-
The excellent mechanical performance such as folding, resistance to compression.
Wherein, the ceramic fibre is polycrystalline mullite ceramic fibre, whiteness>90.Diatomite decorative brick formula of the present invention
In be added with a small amount of ceramic fibre, its main component is sieve and silica-sesquioxide, and consistent with matrix composition, compatibility is good, the ceramics
Fiber addition can play good enhancing, toughening effect in diatomite decorative brick.
Wherein, the inorganic pigment be one kind in the high-temperature resisting pigment such as iron oxide red, iron oxide yellow, cobalt blue or cobalt green or
It is several.
Present invention also offers a kind of forming method of above-mentioned diatomite decorative brick, it is characterised in that comprises the following steps：
（1）Raw material premix：Diatomite, calcined kaolin, complex inorganic binder, ceramic fibre and inorganic pigment are mixed
Uniformly；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, in cool place
Place is cloudy
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 150~350 DEG C, is forged
It is 2~10 hours to burn the time, cools down and produces.
Preferably, step（3）In, the calcining heat is 200~250 DEG C, and calcination time is 5~6 hours.
Fig. 2 is diatomite decorative brick crude green body calcining heat of the present invention and the relation curve of finished bricks formaldehyde clearance, from figure
In as can be seen that when calcining heat is when within 100~400 DEG C of scopes, diatomite decorative brick shows good absorption first
Aldehyde ability, when calcining heat is higher than 400 DEG C, formaldehyde absorbing ability can drastically decline, and its reason is probably due to too high temperature
Degree can cause amorphous silica crystal transfer in diatomite, so as to have a strong impact on the adsorption property of diatom material.
Fig. 3 is diatomite decorative brick crude green body calcining heat of the present invention and finished bricks compression strength relation curve, can from figure
To find out, with the rise of calcining heat, the compression strength of diatomite decorative brick gradually steps up, when calcining heat is up to 300 DEG C,
The compression strength of diatomite finished bricks reaches 20MPa, after meeting that decorative brick shaping strength requirement, calcining heat are higher than 350 DEG C, closes
It is that curve tends to be steady substantially.
Therefore, the compression strength and air-filtering ability of diatomite decorative brick, the calcining temperature of crude green body of the present invention are considered
Spend for 150~350 DEG C, preferably 200-250 DEG C.
The present invention compared with prior art, has the advantages that：
（1）Diatomaceous content may be up to 30~60%, the significantly larger than diatom in diatom ooze coating in decorative brick of the present invention
Native content, there is excellent air-filtering ability, most of volatile organic matter can be purified；
（2）Only 150~350 DEG C of crude green body calcining heat of the present invention, silica is amorphous in diatomite in the temperature range
Structure is not destroyed, and can retain its excellent adsorption property, crude green body under the conditions of 150~350 DEG C, complex inorganic binder with
Diatomite combines, and gradually forms rigid body, and compressive resistance may be up to 20MPa, and more than 90% is up to indoor formaldehyde removal ability,
Both diatomite decorative brick can be made to reach good mechanical strength, and also remained the excellent purification of air energy of diatomite decorative brick
Power；
（3）Gained diatomite decorative brick of the invention has high intensity and high air-filtering ability simultaneously, especially suitable for the people
With architecture inside and outside decoration, the places such as factory, subway, food and drink, amusement, conference centre, theater are can be widely applied to.
Brief description of the drawings
Fig. 1 is that diatomite decorative brick section prepared by embodiment 1 amplifies the scanning electron micrograph after 2000 times, from figure
In can be seen that diatomite decorative brick each component moderate in grain size, diatomite is more to be uniformly distributed with box-like, and structure is not destroyed.
Fig. 2 is diatomite decorative brick crude green body calcining heat of the present invention and the relation curve of finished bricks formaldehyde clearance.
Fig. 3 is diatomite decorative brick crude green body calcining heat of the present invention and finished bricks compression strength relation curve.
Embodiment
The present invention is further illustrated below by embodiment, following examples are the preferable embodiment party of the present invention
Formula, but embodiments of the present invention are not limited by following embodiments.
Embodiment 1
（1）Raw material premix：By 40 parts of diatomite（The mesh of particle diameter 200）, 40 parts of calcined kaolin (whiteness>95, particle diameter 200
Mesh), 10 parts of complex inorganic binders, 3 parts of polycrystalline mullite ceramic fibres（Whiteness>90）With 5 parts of iron oxide beauties
Material is well mixed；Wherein, Ludox in complex inorganic binder:Alumina gel:The weight proportion of potassium phosphate is 1:1:0.26；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, in cool place
Place is cloudy
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 200 DEG C, calcination time
For 6 hours, cool down and produce.
Fig. 1 is that diatomite decorative brick section manufactured in the present embodiment amplifies the scanning electron micrograph after 2000 times, from
Diatomite decorative brick each component moderate in grain size is can be seen that in figure, diatomite is more to be uniformly distributed with box-like, and structure is not destroyed.
The compression strength of diatomite decorative brick obtained by the present embodiment reaches 19.7MPa, determines volume formaldehyde absorbing rate 94.69%.
Embodiment 2
（1）Raw material premix：By 50 parts of diatomite（The mesh of particle diameter 400）, 30 parts of calcined kaolin (whiteness>95, particle diameter 200
Mesh), 6 parts of complex inorganic binders, 5 parts of polycrystalline mullite ceramic fibres（Whiteness>90）With 3 parts of ferric oxide yellow pigments
It is well mixed；Wherein, Ludox in complex inorganic binder:Alumina gel:The weight proportion that phosphoric acid is received is 1:1:0.25；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, in cool place
Place is cloudy
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 250 DEG C, calcination time
For 5 hours, cool down and produce.
The compression strength of diatomite decorative brick obtained by the present embodiment reaches 20.6MPa, determines volume formaldehyde absorbing rate 92.69%.
Embodiment 3
（1）Raw material premix：By 30 parts of diatomite（The mesh of particle diameter 500）, 20 parts of calcined kaolin (whiteness>95, particle diameter 150
Mesh), 5 parts of complex inorganic binders, 2 parts of polycrystalline mullite ceramic fibres（Whiteness>90）Mixed with 2 parts of cobalt blue dyes
Uniformly；Wherein, Ludox in complex inorganic binder:Alumina gel:The weight proportion that phosphoric acid is received is 1:1:0.2；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, in cool place
Place is cloudy
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 350 DEG C, calcination time
For 3 hours, cool down and produce.
The compression strength of diatomite decorative brick obtained by the present embodiment reaches 18.9MPa, determines volume formaldehyde absorbing rate 92.19%.
Comparative example 1
（1）Raw material premix：By 40 parts of diatomite（The mesh of particle diameter 200）, 40 parts of calcined kaolin (whiteness>95, particle diameter 200
Mesh), 2 parts of polycrystalline mullite ceramic fibres（Whiteness>90）, 5 parts of ferric oxide red colorants are well mixed；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, in cool place
Place is cloudy
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 450 DEG C, calcination time
For 20 hours, cool down and produce.
The compression strength 5.7Mpa of diatomite decorative brick obtained by this comparative example, volume formaldehyde absorbing rate is determined for 69.42%.
Claims (12)
1. a kind of diatomite decorative brick, it is characterised in that the diatomite decorative brick is made up of the component of following parts by weight：
30~60 parts of diatomite,
15~50 parts of calcined kaolin,
5~12 parts of complex inorganic binder,
2~6 parts of ceramic fibre,
2~6 parts of inorganic pigment,
The complex inorganic binder is the mixture of Ludox, Alumina gel and phosphate composition, wherein Ludox:Alumina gel:
Phosphatic weight proportion is 1:1:0.2-0.3.
2. diatomite decorative brick according to claim 1, it is characterised in that：The proportioning of each component is as follows：
40~50 parts of diatomite,
30~40 parts of calcined kaolin,
6~10 parts of complex inorganic binder,
3~5 parts of ceramic fibre,
3~5 parts of inorganic pigment.
3. diatomite decorative brick according to claim 1 or 2, it is characterised in that：The diatomaceous particle diameter be 100~
500 mesh.
4. diatomite decorative brick according to claim 3, it is characterised in that：The diatomaceous particle diameter is 200~400
Mesh.
5. diatomite decorative brick according to claim 1 or 2, it is characterised in that：The whiteness of the calcined kaolin is more than
95, particle diameter is 100~300 mesh.
6. diatomite decorative brick according to claim 5, it is characterised in that：The particle diameter of the calcined kaolin is 180-
220 mesh.
7. diatomite decorative brick according to claim 1 or 2, it is characterised in that：The complex inorganic binder is that silicon is molten
The mixture of glue, Alumina gel and phosphate composition, wherein Ludox:Alumina gel:Phosphatic weight proportion is 1:1:0.25.
8. diatomite decorative brick according to claim 7, it is characterised in that the phosphate is sodium phosphate, calcium phosphate, phosphorus
One or more in sour magnesium, potassium phosphate, aluminum phosphate or ammonium phosphate.
9. diatomite decorative brick according to claim 1 or 2, it is characterised in that：The ceramic fibre is polycrystalline mullite
Ceramic fibre, whiteness>90.
10. diatomite decorative brick according to claim 1 or 2, it is characterised in that：The inorganic pigment be iron oxide red,
One or more in iron oxide yellow, cobalt blue or cobalt green.
11. the forming method of the diatomite decorative brick described in a kind of any one of claim 1-10, it is characterised in that including as follows
Step：
（1）Raw material premix：Diatomite, calcined kaolin, complex inorganic binder, ceramic fibre and inorganic pigment are mixed equal
It is even；
（2）It is compressing：It is compressing in mould by being placed in after raw material water spray wetting of the above-mentioned premix after uniform, it is cloudy in shady place
Mould is removed after dry and obtains crude green body；
（3）Low temperature calcination：Crude green body after above-mentioned shaping is placed in tunnel cave and calcined, calcining heat is 150~350 DEG C, during calcining
Between be 2~10 hours, cool down and produce.
12. the forming method of diatomite decorative brick according to claim 11, it is characterised in that step（3）In, it is described to forge
It is 200~250 DEG C to burn temperature, and calcination time is 5~6 hours.
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| CN103467053A (en) * | 2013-08-30 | 2013-12-25 | 成都新柯力化工科技有限公司 | Novel multifunctional diatom ooze decorative wall material and preparation method thereof |
| CN104860609A (en) * | 2015-05-14 | 2015-08-26 | 汪培杰 | Diatomite decorative material |
| CN105254260A (en) * | 2015-11-26 | 2016-01-20 | 白山市和一硅藻科技有限公司 | Diatomite brick and processing technology thereof |
-
2016
- 2016-05-04 CN CN201610285701.3A patent/CN105948694B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863749A (en) * | 2003-10-07 | 2006-11-15 | 庆东塞拉泰克有限公司 | Manufacturing method of ceramic body with excellent adiabatic capacity |
| CN101428999A (en) * | 2008-12-12 | 2009-05-13 | 北京大地远通(集团)有限公司 | Decoration acoustic absorption sheet material of tripolite and method for producing the same |
| CN102093033A (en) * | 2010-12-02 | 2011-06-15 | 吉林大学 | Preparation method of diatomite ceramic particles or ceramic plates |
| CN102795814A (en) * | 2012-08-23 | 2012-11-28 | 侯建春 | Nano-whisker-reinforced multifunctional diatom ooze coating |
| CN103467053A (en) * | 2013-08-30 | 2013-12-25 | 成都新柯力化工科技有限公司 | Novel multifunctional diatom ooze decorative wall material and preparation method thereof |
| CN104860609A (en) * | 2015-05-14 | 2015-08-26 | 汪培杰 | Diatomite decorative material |
| CN105254260A (en) * | 2015-11-26 | 2016-01-20 | 白山市和一硅藻科技有限公司 | Diatomite brick and processing technology thereof |
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Effective date of registration: 20181214 Address after: 510000 Room 201, E2 Xiangyin Garden, Dongfeng Road, East Residential Committee, Laolong Town, Longchuan County, Guangdong Province Patentee after: Diao Hongwei Address before: Room A103, No. 1, Kengwei Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Ao Naiqi Environmental Protection Technology Co., Ltd |
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