CN109516783A - A method of aluminium hydroxide is extracted with alchlor and prepares environmentally friendly domestic ceramics - Google Patents
A method of aluminium hydroxide is extracted with alchlor and prepares environmentally friendly domestic ceramics Download PDFInfo
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- 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
- C04B35/10—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 aluminium oxide
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The method that aluminium hydroxide prepares environmentally friendly domestic ceramics is extracted with alchlor the invention discloses a kind of, it is crushed the following steps are included: alchlor waste is put into crushing device, then broken alchlor is ground by grinding device, obtains alchlor powder；Alchlor powder is washed, then dry and is screened, alchlor powder is obtained；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, obtains sodium aluminate solution；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate.The present invention is by extracting the alchlor in hydrogen peroxide production process, it extracts obtained aluminium hydroxide to be added as catalyst in the sintering procedure of ceramics, so that whiteness ceramic after improving firing, increases the aesthetics of ceramics, the quality for promoting ceramics, is conducive to the use of people.
Description
Technical field
It is specially a kind of that the daily pottery of aluminium hydroxide preparation environmental protection is extracted with alchlor the present invention relates to ceramic technology field
The method of porcelain.
Background technique
It is pottery with the vessel that clay is fired, it is ceramic then be pottery, stoneware and porcelain with the vessel of china clay firing porcelain
General name, ancients' ceramics are referred to as bowl, and all with clay and china clay both clays of different nature is raw material, by ingredient, at
Implements made of the process flows such as type, drying, roasting can be ceramics, and ceramics are with natural clay and various natural minerals
Be primary raw material through crushing be kneaded, molding and the various products for calcining material obtained, people with clay be fabricated to
The article that special kiln high temperature is fired is referred to as ceramics, and ceramic traditional concept refers to all with the inorganic non-metallics mine such as clay
Object be raw material artificial industrial products, it includes that the mixture by clay or containing clay is kneaded, forming, calcining and it is manufactured
Various products, its range is belonged to most fine fine pottery and porcelain by most coarse earthenware, and the difference of pottery and porcelain is original
The difference of material soil and the difference of temperature, mend the fire heating again on the basis of the temperature of potting, and pottery has reformed into porcelain, the firing temperature of pottery
Degree in 800-1000 degree, porcelain be then with kaolin 1300-1400 degree at a temperature of fire, the kind of ceramic is numerous
It is more, the chemical component between them, mineral composition, physical property and manufacturing method, usually it is close to each other staggeredly, without obvious
Boundary, and made a big difference in application, common ceramic sintering method process is complicated at present, the ceramic whiteness of firing
Lower, ceramic aesthetics is low, influences the quality of ceramics, is unfavorable for the use of people.
Summary of the invention
The method that aluminium hydroxide prepares environmentally friendly domestic ceramics is extracted with alchlor the purpose of the present invention is to provide a kind of,
Have the high advantage of ceramic whiteness, solves the problems, such as that ceramic whiteness is low.
To achieve the above object, the invention provides the following technical scheme: a kind of extract aluminium hydroxide preparation with alchlor
The method of environmentally friendly domestic ceramics, comprising the following steps:
Step 1: alchlor waste being put into crushing device and is crushed, then by grinding device to broken three oxygen
Change aluminium to be ground, obtains alchlor powder；
Step 2: alchlor powder being washed, then dries and screens, obtain alchlor powder；
Step 3: alchlor powder being put into sodium hydroxide solution, liquid is heated and is stirred, obtains sodium metaaluminate
Solution；
Step 4: being passed through excessive carbon dioxide into sodium aluminate solution, be then allowed to stand, obtain aluminum hydroxide precipitate；
Step 5: aluminum hydroxide precipitate being taken out, aluminium hydroxide is cleaned, by grinding device to hydroxide after cleaning
Aluminum precipitation object is ground, and aluminium-hydroxide powder is obtained；
Step 6: taking kaolin and aluminium-hydroxide powder, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material system
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by standby pottery mud；
Step 7: to the idiosome glazing after drying, high-temperature calcination in kiln is then placed in, thus the domestic ceramics being burnt into.
Preferably, the washing time of the powder of alchlor in step 2 is 1-8h, the washing temperature of alchlor powder
Degree is 25-120 DEG C, and the drying temperature of alchlor powder is 25-120 DEG C, and the drying time of alchlor powder is 1-5h, three
Granule size after alumina powder screening is 20-100 mesh.
Preferably, the temperature of the heating of liquid in step 3 is at 40-80 DEG C, and the liquid agitation time is in 10-30min.
Preferably, the mass ratio of the alchlor in step 3 and sodium hydroxide solution is 51:40.
Preferably, the liquid in step 4 is continually fed into carbon dioxide gas, until without precipitating produce in liquid
Raw, liquid time of repose is 20-120min, and dwell temperature is 25-60 DEG C.
Preferably, the grinding device in steps of 5 is wet srirred mill, and the aluminium hydroxide partial size after grinding is 1.7-
1.9um。
Preferably, the weight ratio of the kaolin in step 6 and aluminium-hydroxide powder is classified as 1:3, when drying of idiosome
Between be 48-72h.
Preferably, the temperature in the kiln in step 7 is 1000-1300 DEG C, and the firing time is 26-40h in kiln.
Compared with prior art, beneficial effects of the present invention are as follows: the present invention passes through to three in hydrogen peroxide production process
Aluminium oxide extracts, and the aluminium hydroxide extracted is added in the sintering procedure of ceramics as catalyst, to improve burning
Ceramic whiteness after system increases the aesthetics of ceramics, promotes the quality of ceramics, is conducive to the use of people.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A method of aluminium hydroxide is extracted with alchlor and prepares environmentally friendly domestic ceramics, comprising the following steps:
Step 1: alchlor waste being put into crushing device and is crushed, then by grinding device to broken three oxygen
Change aluminium to be ground, obtains alchlor powder；
Step 2: alchlor powder being washed, then dries and screens, obtain alchlor powder；
Step 3: alchlor powder being put into sodium hydroxide solution, liquid is heated and is stirred, obtains sodium metaaluminate
Solution；
Step 4: being passed through excessive carbon dioxide into sodium aluminate solution, be then allowed to stand, obtain aluminum hydroxide precipitate；
Step 5: aluminum hydroxide precipitate being taken out, aluminium hydroxide is cleaned, by grinding device to hydroxide after cleaning
Aluminum precipitation object is ground, and aluminium-hydroxide powder is obtained；
Step 6: taking kaolin and aluminium-hydroxide powder, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material system
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by standby pottery mud；
Step 7: to the idiosome glazing after drying, high-temperature calcination in kiln is then placed in, thus the domestic ceramics being burnt into.
Embodiment 1
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken alchlor into
Row grinding, obtains alchlor powder；Alchlor powder is washed, then dry and is screened, alchlor powder is obtained
Material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, obtains sodium aluminate solution；It is past
It is passed through excessive carbon dioxide in sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminum hydroxide precipitate
It takes out, aluminium hydroxide is cleaned, aluminum hydroxide precipitate is ground by grinding device after cleaning, obtains hydroxide
Aluminium powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, is prepared and is made pottery as raw material using kaolin
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by mud；Idiosome after drying is applied
Glaze is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 2
In embodiment 1, following process is being added:
It is 1-8h in the washing time of alchlor powder in step 2, the washing temperature of alchlor powder is 25-120 DEG C,
The drying temperature of alchlor powder is 25-120 DEG C, and the drying time of alchlor powder is 1-5h, alchlor powder sieve
Granule size after point is 20-100 mesh.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 3
In example 2, following process is being added:
The temperature of liquid heating is at 40-80 DEG C in step 3, and the liquid agitation time is in 10-30min.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 4
In embodiment 3, following process is being added:
The mass ratio of alchlor and sodium hydroxide solution is 51:40 in step 3.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 5
In example 4, following process is being added:
Liquid is continually fed into carbon dioxide gas in step 4, until not having sediment generation in liquid, liquid time of repose is
20-120min, dwell temperature are 25-60 DEG C.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 6
In embodiment 5, following process is being added:
Grinding device is wet srirred mill in steps of 5, and the aluminium hydroxide partial size after grinding is 1.7-1.9um.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 7
In embodiment 6, following process is being added:
The weight ratio of kaolin and aluminium-hydroxide powder is classified as 1:3 in step 6, and the flash-off time of idiosome is 48-72h.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
Embodiment 8
In embodiment 7, following process is being added:
The temperature in kiln is 1000-1300 DEG C in step 7, and the firing time is 26-40h in kiln.
Alchlor waste is put into crushing device to be crushed, then by grinding device to broken three oxidation
Aluminium is ground, and alchlor powder is obtained；Alchlor powder is washed, then dry and is screened, three oxidations are obtained
Aluminium powder material；Alchlor powder is put into sodium hydroxide solution, liquid is heated and is stirred, it is molten to obtain sodium metaaluminate
Liquid；It is passed through excessive carbon dioxide into sodium aluminate solution, is then allowed to stand, obtains aluminum hydroxide precipitate；By aluminium hydroxide
Sediment takes out, and cleans to aluminium hydroxide, is ground, obtained to aluminum hydroxide precipitate by grinding device after cleaning
Aluminium-hydroxide powder；Kaolin and aluminium-hydroxide powder are taken, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by preparation pottery mud；To the embryo after drying
Body glazing is then placed in high-temperature calcination in kiln, thus the domestic ceramics being burnt into.
In use, alchlor is the catalyst that hydrogen peroxide production process uses, at it after a period of use because of hole
The effect of being filled with, specific area decline, its catalytic effect is caused to weaken and can lose catalysis, the dual oxide aluminium of failure belongs to discarded
Object, environmental issue can be related to by directly throwing away, and the alchlor of failure is re-worked utilization by us, and extraction aluminium hydroxide, which is used as, urges
The firing of ceramics is added in agent, increases the aluminum content of base soil using aluminium hydroxide, promotes its whiteness, and utilize its entrained charge
Improve china clay plasticity.
In summary: the method that aluminium hydroxide prepares environmentally friendly domestic ceramics should be extracted with alchlor, it is white to solve ceramics
Spend low problem.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of extract the method that aluminium hydroxide prepares environmentally friendly domestic ceramics with alchlor, it is characterised in that: including following step
It is rapid:
Step 1: alchlor waste being put into crushing device and is crushed, then by grinding device to broken three oxygen
Change aluminium to be ground, obtains alchlor powder；
Step 2: alchlor powder being washed, then dries and screens, obtain alchlor powder；
Step 3: alchlor powder being put into sodium hydroxide solution, liquid is heated and is stirred, obtains sodium metaaluminate
Solution；
Step 4: being passed through excessive carbon dioxide into sodium aluminate solution, be then allowed to stand, obtain aluminum hydroxide precipitate；
Step 5: aluminum hydroxide precipitate being taken out, aluminium hydroxide is cleaned, by grinding device to hydroxide after cleaning
Aluminum precipitation object is ground, and aluminium-hydroxide powder is obtained；
Step 6: taking kaolin and aluminium-hydroxide powder, aluminium-hydroxide powder is mixed in kaolin, using kaolin as raw material system
Pottery mud is placed on rotary turnplate by the way that idiosome is made in pottery mud by hand, dried to idiosome by standby pottery mud；
Step 7: to the idiosome glazing after drying, high-temperature calcination in kiln is then placed in, thus the domestic ceramics being burnt into.
2. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the washing time of the powder of alchlor in step 2 is 1-8h, and the washing temperature of alchlor powder is
25-120 DEG C, the drying temperature of alchlor powder is 25-120 DEG C, and the drying time of alchlor powder is 1-5h, three oxidations
Granule size after aluminium powder screening is 20-100 mesh.
3. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the temperature of the heating of liquid in step 3 is at 40-80 DEG C, and the liquid agitation time is in 10-30min.
4. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the mass ratio of the alchlor in step 3 and sodium hydroxide solution is 51:40.
5. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the liquid in step 4 is continually fed into carbon dioxide gas, until not having sediment generation, liquid in liquid
Time of repose is 20-120min, and dwell temperature is 25-60 DEG C.
6. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the grinding device in steps of 5 is wet srirred mill, and the aluminium hydroxide partial size after grinding is 1.7-1.9um.
7. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the weight ratio of the kaolin in step 6 and aluminium-hydroxide powder is classified as 1:3, and the flash-off time of idiosome is 48-
72h。
8. a kind of method that the environmentally friendly domestic ceramics of aluminium hydroxide preparation is extracted with alchlor according to claim 1,
Be characterized in that: the temperature in the kiln in step 7 is 1000-1300 DEG C, and the firing time is 26-40h in kiln.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022216221A1 (en) * | 2021-04-09 | 2022-10-13 | Jts Optimax Pte. Ltd. | A method of forming aluminium trihydrate |
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