CN106882960A - A kind of preparation method of diatomite vegetarian noodles brick - Google Patents
A kind of preparation method of diatomite vegetarian noodles brick Download PDFInfo
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- CN106882960A CN106882960A CN201510946043.3A CN201510946043A CN106882960A CN 106882960 A CN106882960 A CN 106882960A CN 201510946043 A CN201510946043 A CN 201510946043A CN 106882960 A CN106882960 A CN 106882960A
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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Abstract
The invention discloses a kind of preparation method of diatomite vegetarian noodles brick, in turn include the following steps：20 mesh sieve are crossed after diatomite original soil is ground, dry milling process is taken after drying, diatomite essence soil is obtained.After diatomite essence soil is mixed according to a certain percentage with titanium dioxide, tourmaline, binding agent, a certain amount of water is added, the compound of diatomin face brick is obtained, compound is pressed into adobe under certain condition, adobe is put into middle temperature resistance kiln roasting after drying, diatomite vegetarian noodles brick is obtained final product.Product of the present invention has the function of the harmful components such as unique moisture absorption and desorption property, photocatalysis Decomposition formaldehyde, and operation is simple, with low cost, with splendid commercial introduction prospect.
Description
Technical field
The present invention relates to the application of diatomite material, more particularly to a kind of preparation method of diatomite vegetarian noodles brick.
Background technology
Diatomite is after ancient times unicellular rudimentary plant diatom remains are piled up, by certain geology diagenesis
It is to be deposited to be formed by the dead later remains of diatom and the one kind for being formed has porous biogenic deposit rock
, main mineral constituent opal and its mutation, chemical composition are mainly SiO2, and containing a small amount of
Al2O3、Fe2O3、CaO、Na2O, MgO etc. and the impurity such as organic matter.These impurity are mixed in diatom
Between shell, it is filled in the hole of diatom test, or is attached to shell surface.The diatom bodily form is small, generally several
Micron is to tens microns.Diatomaceous color is white, canescence, grey and terra brown etc..Diatom
There is multistage, a large amount of, microcellular structure of ordered arrangement on wall shell so that diatomite has many excellent spies
Different performance.Light weight, China's diatomite density is in 1.9~2.3g/cm3, heap density is in 0.34~0.65g/cm3,
Specific surface area is big, generally 19~65cm2/g；Porosity is high, and pore radius scope is 50~800nm, hole
Volume is 0.45~0.98cm3/g；Imbibition ability of immigrants, the water of general absorbable 1.5~4 times of own wt
Amount and 1.1~1.5 times of oil；Chemical stability is high, and fusing point may be up to 1400~1650 DEG C, with phase
To many excellent properties such as Incoercibility, soft matter, sound insulation, wear-resisting, heat-resisting, therefore diatomite is in state
It is inside and outside to have been obtained for extensive exploitation and application.
Recently as the increasingly nervous of Chinese soil resource, skyscraper is increasing, is built to mitigate
The weight of thing is built, a large amount of Light Wall construction materials just arise at the historic moment.Fired brick tool with diatomite as raw material
Have that density is small, intensity is high, insulation, sound insulation, it is heat-insulated, inhale the performance such as damp proof and enjoy favor.Diatomite
Incorporation often increase by 10%, density reduction 102.3kg/m3, compression strength reduction 1.185MPa, water suction
Rate improves 4.235%, and apparent porosity improves 2.52%, the solid diatomite lightweight of 240 × 115 × 53mm
Every piece of weight reduction 0.148kg of fired brick, proportion scale can be as needed adjusted when building skyscraper
Change the density and intensity of brick, diatomite is both to prepare light thermal insulation board, calcium-silicate thermal insulation material, diatom
Soil property insulating brick, diatomaceous unsetting heat-barrier material, the good raw material of insulating tube, are also waterproof, seepage control
One of raw material.
The content of the invention
In order to meet requirement of the existing people for construction material, the drawbacks of solution in diatomite development process,
The present invention provides a kind of preparation method of diatomite vegetarian noodles brick.
The purpose of the present invention is reached by following measures：A kind of preparation side of diatomite vegetarian noodles brick is provided
Method, in turn includes the following steps：20 mesh sieve are crossed after diatomite original soil grinding, takes dry method to grind after drying
Grinding process, is obtained diatomite essence soil.By diatomite essence soil with titanium dioxide, tourmaline, binding agent according to
After certain proportion mixing, a certain amount of water is added, the compound of diatomin face brick is obtained, compound is existed
Adobe is pressed under certain condition, adobe is put into middle temperature resistance kiln roasting after drying, obtain final product diatomite
Vegetarian noodles brick.
Further, during the dry grinding, ratio of grinding media to material is 2~3:1, milling time be 10~
15min, preferred scheme is that ratio of grinding media to material is 2:1, milling time is 10min.
Further, the diatomite essence grogs footpath is less than 15 μm.
Further, the drying process, 100~110 DEG C of drying temperature, drying time is 20~60min,
Preferred scheme is 110 DEG C of drying temperature, and drying time is 40min.
Further, in the compound preparation process, diatomite essence soil account for compound gross mass 66~
89%th, titanium dioxide accounts for 5~13%, tourmaline and accounts for 5~15%, sodium metasilicate and accounts for 1~6%.
Further, in the compound preparation process, the addition of water is diatomite compound gross mass
5~15%, preferred scheme for water addition for diatomite compound gross mass 10%.
Further, it is described shaping pressing process in, pressing process be under the pressure of 2.5~3.0MPa,
10~40S of pressurize, preferred scheme is the pressurize 20S under the pressure of 2.5MPa for pressing process.
Further, in the sintering procedure, roasting technique is to rise it with the speed for heating up 4 DEG C per minute
To 850~1100 DEG C, 2~3h of constant temperature calcining closes stove to temperature, naturally cools to normal temperature, and preferred scheme is roasting
It is 1000 DEG C to burn temperature, and roasting time is 2h.
Beneficial effect：The color of obtained diatomite vegetarian noodles brick of the invention is homogeneous, has good gluing with cement
Cooperation is used, and fully meets the relevant demand of interior decoration.The product also has following performance simultaneously：
(1) unique moisture absorption and desorption property, the water absorption rate of this product is 27.00%-38.95%, when in air
When humidity ratio is larger, a part of vapor can be absorbed, and can be put when humidity ratio is smaller in air
Go out certain hydrone, and then play a part of adjusting air humidity；
(2) function of the harmful components such as photocatalysis Decomposition formaldehyde, due to containing 5%-13%'s in vegetarian noodles brick
Titanium dioxide, in the presence of visible ray, can be to noxious materials such as the formaldehyde that is discharged in ornament materials
Photocatalysis Decomposition effect is played, the body harm to indoor occupant is reduced.
(3) anion releasing purifies the air of a room.Tourmaline is a kind of more satisfactory purification of air solid
Medium, used as a part for material composition in vegetarian noodles brick, absorption and release to moisture content can produce waterfall
Effect, by water-molecule dissociation into negative ions.Negative ions group swim everywhere in atmosphere, not only has
Sterilizing ability, while people sucks the negative oxygen ion that it is decomposited, makes room air more pure and fresh, makes people spiritual
Shine, with good health-care effect.
Specific embodiment
Below by embodiment, the present invention is described in detail.
The present invention provides a kind of preparation method of diatomite vegetarian noodles brick, in turn includes the following steps：Diatomite
20 mesh sieve are crossed after original soil grinding, dry milling process is taken after drying, diatomite essence soil is obtained.By silicon
After diatomaceous earth essence soil mixes according to a certain percentage with titanium dioxide, tourmaline, binding agent, add a certain amount of
Water, is obtained the compound of diatomin face brick, and compound is pressed into adobe under certain condition, after drying
Adobe is put into middle temperature resistance kiln roasting, diatomite vegetarian noodles brick is obtained final product.
Further, during the dry grinding, ratio of grinding media to material is 2~3:1, milling time be 10~
15min, preferred scheme is that ratio of grinding media to material is 2:1, milling time is 10min.
Further, the diatomite essence grogs footpath is less than 15 μm.
Further, the drying process, 100~110 DEG C of drying temperature, drying time is 20~60min,
Preferred scheme is 110 DEG C of drying temperature, and drying time is 40min.
Further, in the compound preparation process, diatomite essence soil account for compound gross mass 66~
89%th, titanium dioxide accounts for 5~13%, tourmaline and accounts for 5~15%, sodium metasilicate and accounts for 1~6%.
Further, in the compound preparation process, the addition of water is diatomite compound gross mass
5~15%, preferred scheme for water addition for diatomite compound gross mass 10%.
Further, it is described shaping pressing process in, pressing process be under the pressure of 2.5~3.0MPa,
10~40S of pressurize, preferred scheme is the pressurize 20S under the pressure of 2.5MPa for pressing process.
Further, in the sintering procedure, roasting technique is to rise it with the speed for heating up 4 DEG C per minute
To 850~1100 DEG C, 2~3h of constant temperature calcining closes stove to temperature, naturally cools to normal temperature, and preferred scheme is roasting
It is 1000 DEG C to burn temperature, and roasting time is 2h.
Embodiment
Diatomite original soil is crushed, its particle diameter can be passed through 20 mesh sieves；The silicon of 20 mesh sieves will have been passed through
Diatomaceous earth is placed in drying kiln, and 25min is dried at 105 DEG C；Diatomite after taking-up drying carries out secondary
It is in small, broken bits, make its particle diameter≤15 μm, diatomite powder is obtained；By diatomite essence soil and titanium dioxide, electricity
Gas stone, sodium metasilicate are mixed by mass percentage, are stirred, and prepare compound, wherein diatom
Native essence soil accounts for compound gross mass 79%, titanium dioxide and accounts for 10%, tourmaline and account for 10%, sodium metasilicate and accounts for 1%；
To being added water in diatomite powder, it is the 10% of diatomite powder gross mass to control its addition, is made diatom
Sun-dried mud brick body compound；By in hydraulic press of the compound more than 200 tons, under the pressure of 2.8MPa,
Pressurize 30S, suppresses 160mm long, width 80mm, the adobe of thickness 15mm；The adobe that will be pressed into is put
Enter in dry kiln, 20min is dried at 105 DEG C；Dried adobe is put into calcining furnace, with every point
The speed of 4 DEG C of clock intensification is allowed to warm to 950 DEG C, and then constant temperature calcining 3h closes stove, naturally cools to often
Temperature, that is, obtain diatomite vegetarian noodles brick.
Above content is the further description done to the present invention with reference to optimal technical scheme, it is impossible to recognized
The specific implementation of fixed invention is only limitted to these explanations.To general technical staff of the technical field of the invention
For, on the premise of design of the invention is not departed from, simple deduction can also be made and replaced, all
Protection scope of the present invention should be considered as.
Claims (8)
1. a kind of preparation method of diatomite vegetarian noodles brick, it is characterised in that in turn include the following steps：Diatom
20 mesh sieve are crossed after native original soil grinding, dry milling process is taken after drying, diatomite essence soil is obtained.Will
After diatomite essence soil mixes according to a certain percentage with titanium dioxide, tourmaline, binding agent, add a certain amount of
Water, the compound of diatomin face brick is obtained, compound is pressed into adobe under certain condition, dry
Adobe is put into middle temperature resistance kiln roasting afterwards, diatomite vegetarian noodles brick is obtained final product.
2. a kind of preparation method of diatomite vegetarian noodles brick according to claim 1, it is characterised in that institute
State during dry grinding, ratio of grinding media to material is 2~3:1, milling time is 10~15min.
3. a kind of preparation method of diatomite vegetarian noodles brick according to claim 1, it is characterised in that institute
State diatomite essence grogs footpath and be less than 15 μm.
4. the preparation method of a kind of diatomite vegetarian noodles brick according to claim 1, it is characterised in that
The drying process, 100~110 DEG C of drying temperature, drying time is 20~60min.
5. a kind of preparation method of diatomite vegetarian noodles brick according to claim 1, it is characterised in that institute
In stating compound preparation process, diatomite essence soil account for compound gross mass 66~89%, titanium dioxide account for 5~
13%th, tourmaline accounts for 5~15%, sodium metasilicate and accounts for 1~6%.
6. a kind of preparation method of diatomite vegetarian noodles brick according to claim 1, it is characterised in that institute
State in compound preparation process, the addition of water is the 5~15% of diatomite compound gross mass.
7. the preparation method of a kind of diatomite vegetarian noodles brick according to claim 1, it is characterised in that
In the shaping pressing process, pressing process is 10~40S of pressurize under the pressure of 2.5~3.0MPa.
8. the preparation method of a kind of diatomite vegetarian noodles brick according to claim 1, it is characterised in that
In the sintering procedure, roasting technique is, 850 are allowed to warm to the speed for heating up 4 DEG C per minute~
1100 DEG C, 2~3h of constant temperature calcining closes stove, naturally cools to normal temperature.
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| CN201510946043.3A CN106882960A (en) | 2015-12-16 | 2015-12-16 | A kind of preparation method of diatomite vegetarian noodles brick |
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| CN201510946043.3A CN106882960A (en) | 2015-12-16 | 2015-12-16 | A kind of preparation method of diatomite vegetarian noodles brick |
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| CN106882960A true CN106882960A (en) | 2017-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321953A (en) * | 2021-05-10 | 2022-11-11 | 中国科学院上海硅酸盐研究所 | Inorganic non-metal moisture absorption sterilization material and preparation method thereof |
-
2015
- 2015-12-16 CN CN201510946043.3A patent/CN106882960A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321953A (en) * | 2021-05-10 | 2022-11-11 | 中国科学院上海硅酸盐研究所 | Inorganic non-metal moisture absorption sterilization material and preparation method thereof |
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Application publication date: 20170623 |