CN109290341A - A kind of regeneration method of waste old ceramics - Google Patents
A kind of regeneration method of waste old ceramics Download PDFInfo
- Publication number
- CN109290341A CN109290341A CN201811181628.0A CN201811181628A CN109290341A CN 109290341 A CN109290341 A CN 109290341A CN 201811181628 A CN201811181628 A CN 201811181628A CN 109290341 A CN109290341 A CN 109290341A
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- Prior art keywords
- ceramics
- waste old
- waste
- old ceramics
- heated
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- 239000000919 ceramic Substances 0.000 title claims abstract description 146
- 239000002699 waste material Substances 0.000 title claims abstract description 88
- 238000011069 regeneration method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 24
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 13
- 238000007710 freezing Methods 0.000 claims abstract description 12
- 230000008014 freezing Effects 0.000 claims abstract description 12
- 238000001354 calcination Methods 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 230000001172 regenerating effect Effects 0.000 claims description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 230000008929 regeneration Effects 0.000 abstract description 3
- 238000004814 ceramic processing Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- -1 comprising: crush Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention mainly relates to ceramic processing technique fields, disclose a kind of regeneration method of waste old ceramics, comprising: crush, acid processing, primary calcining, alkali process, freezing, secondary clacining；A kind of regeneration method of waste old ceramics provided by the invention, method is simple, convenient for operation, can carry out regeneration treatment to waste old ceramics, keep waste old ceramics moist, save vast resources, protect environment；Acetum is first added after waste old ceramics are crushed, then is heated, conducive to the impurity removed in ceramic powders, desalinates color, makes the smooth exquisiteness of waste old ceramics；It is calcined after acid processing, the vitrifying degree of waste old ceramics can be reduced, keep waste old ceramics powder more moist.
Description
Technical field
The invention mainly relates to ceramic processing technique field more particularly to a kind of regeneration methods of waste old ceramics.
Background technique
With the raising of people's quality of life and the change of aesthetic standard, ceramic using more and more, such as make pottery
Porcelain tableware, ceramic utensil, floor tile, wall brick and goods of furniture for display rather than for use etc., preparing for ceramic is more and more, produces in the production and use process
Raw waste old ceramics are more, and especially in the production process of ceramics, firing success rate is lower, can generate naturally a large amount of useless
Old ceramics, highly difficult to surviving again for waste old ceramics at present, ceramic factory is difficult to be regenerated, so that is generated is a large amount of waste and old
Ceramics become ceramic rubbish, waste mass energy, while very big pollution is caused to environment.
Summary of the invention
In order to make up the defect of prior art, the object of the present invention is to provide a kind of regeneration methods of waste old ceramics.
A kind of regeneration method of waste old ceramics, comprising the following steps:
(1) it crushes: waste old ceramics is placed in ball mill, being milled to partial size is 180 ~ 200 mesh, obtains waste old ceramics powder；
(2) acid processing: the acetum of 2 ~ 3 times of waste old ceramics powder weight amounts being added into waste old ceramics powder, is uniformly mixed, with
The speed of 1.3 ~ 1.7 DEG C/min is heated to 75 ~ 85 DEG C, keeps the temperature 30 ~ 40min, obtains sour processing ceramics；
(3) primary calcining: being heated to 270 ~ 290 DEG C for acid processing ceramics with the speed of 3 ~ 4 DEG C/min, keep the temperature 10 ~ 15min, after
It is continuous to be heated to 530 ~ 570 DEG C, 20 ~ 30min is kept the temperature, a burning ceramics are obtained；
(4) alkali process: 80 ~ 100 DEG C are cooled to a burning ceramics, the hydrogen of 1.2 ~ 1.6 times of waste old ceramics powder weight amounts is added
Sodium hydroxide solution, mild uniformly heat preservation stands 3 ~ 4h, obtains alkali process ceramics；
(5) it freezes: alkali process ceramics is cooled to -54 ~ -52 DEG C with the speed of 2 ~ 3 DEG C/min, stand freezing 20 ~ for 24 hours, obtain cold
Freeze ceramics；
(6) secondary clacining: freezing ceramics are heated to 670 ~ 710 DEG C with the speed of 4 ~ 5 DEG C/min, keep the temperature 20 ~ 30min, then with 2
The speed of ~ 3 DEG C/min is heated to 1120 ~ 1240 DEG C, keeps the temperature 30 ~ 40min, is milled to 400 ~ 500 mesh, obtains regenerating waste used ceramics.
The acetum of the step (2), volume fraction are 6 ~ 8%.
The sodium hydroxide solution of the step (4), mass percentage concentration are 3 ~ 4%.
The regenerating waste used ceramics that the regeneration method of the waste old ceramics is prepared.
The application method of the regenerating waste used ceramics, can be used in ceramic body, glaze and tire.
The invention has the advantages that a kind of regeneration method of waste old ceramics provided by the invention, method is simple, convenient for behaviour
Make, regeneration treatment can be carried out to waste old ceramics, keep waste old ceramics moist, save vast resources, protect environment；It will be waste and old
Acetum is first added after crushing in ceramics, then is heated, and conducive to the impurity removed in ceramic powders, desalinates color, makes waste and old
The smooth exquisiteness of ceramics；It is calcined after acid processing, the vitrifying degree of waste old ceramics can be reduced, make waste old ceramics powder more
It is moist；It adds sodium hydroxide solution to be handled, adjusts the acid-base property of waste old ceramics, improve hardness and wearability；Alkali
Fast cooling and freezing are carried out to waste old ceramics after processing, keeps the water content in waste old ceramics uniform, increases the hole of waste old ceramics
Porosity can adsorb air, and bubble is generated when avoiding preparing product, guarantee product quality；It carries out secondary clacining again later, removes
The color of waste old ceramics improves intensity and sophistication, is easy to use；The regenerating waste used ceramics being prepared can be used for ceramic blank
Body, glaze and tire use extensive, cheap, saving mass production cost.
Specific embodiment
Illustrate the present invention with specific embodiment below.
Embodiment 1
A kind of regeneration method of waste old ceramics, comprising the following steps:
(1) it crushes: waste old ceramics is placed in ball mill, being milled to partial size is 180 mesh, obtains waste old ceramics powder；
(2) acid processing: the acetum that the volume fraction of 2 times of waste old ceramics powder weight amounts is 6% being added into waste old ceramics powder,
It is uniformly mixed, is heated to 75 DEG C with the speed of 1.3 DEG C/min, keeps the temperature 30min, obtain sour processing ceramics；
(3) primary calcining: acid processing ceramics are heated to 270 DEG C with the speed of 3 DEG C/min, 10min is kept the temperature, continues to be heated to
530 DEG C, 20min is kept the temperature, a burning ceramics are obtained；
(4) alkali process: 80 DEG C are cooled to a burning ceramics, the quality percentage that 1.2 times of waste old ceramics powder weight amounts are added is dense
The sodium hydroxide solution that degree is 3%, mild uniformly heat preservation stands 3h, obtains alkali process ceramics；
(5) it freezes: alkali process ceramics being cooled to -54 DEG C with the speed of 2 DEG C/min, freezing 20h is stood, ceramics must be freezed；
(6) secondary clacining: freezing ceramics are heated to 670 DEG C with the speed of 4 DEG C/min, keep the temperature 20min, then with 2 DEG C/min's
Speed is heated to 1120 DEG C, keeps the temperature 30min, is milled to 400 mesh, obtains regenerating waste used ceramics.
The regenerating waste used ceramics that the regeneration method of the waste old ceramics is prepared.
The application method of the regenerating waste used ceramics, can be used in ceramic body, glaze and tire.
Embodiment 2
A kind of regeneration method of waste old ceramics, comprising the following steps:
(1) it crushes: waste old ceramics is placed in ball mill, being milled to partial size is 190 mesh, obtains waste old ceramics powder；
(2) acid processing: the acetic acid that the volume fraction that 2.5 times of waste old ceramics powder weight amounts are added into waste old ceramics powder is 7% is molten
Liquid is uniformly mixed, and is heated to 80 DEG C with the speed of 1.5 DEG C/min, is kept the temperature 35min, and sour processing ceramics are obtained；
(3) primary calcining: acid processing ceramics are heated to 280 DEG C with the speed of 3.5 DEG C/min, 13min is kept the temperature, continues to be heated to
540 DEG C, 25min is kept the temperature, a burning ceramics are obtained；
(4) alkali process: 90 DEG C are cooled to a burning ceramics, the quality percentage that 1.4 times of waste old ceramics powder weight amounts are added is dense
The sodium hydroxide solution that degree is 3.5%, mild uniformly heat preservation stands 3.5h, obtains alkali process ceramics；
(5) it freezes: alkali process ceramics being cooled to -53 DEG C with the speed of 2.5 DEG C/min, freezing 22h is stood, ceramics must be freezed；
(6) secondary clacining: with the speed of 4.5 DEG C/min being heated to 690 DEG C for freezing ceramics, keeps the temperature 25min, then with 2.5 DEG C/
The speed of min is heated to 1180 DEG C, keeps the temperature 35min, is milled to 450 mesh, obtains regenerating waste used ceramics.
The regenerating waste used ceramics that the regeneration method of the waste old ceramics is prepared.
The application method of the regenerating waste used ceramics, can be used in ceramic body, glaze and tire.
Embodiment 3
A kind of regeneration method of waste old ceramics, comprising the following steps:
(1) it crushes: waste old ceramics is placed in ball mill, being milled to partial size is 200 mesh, obtains waste old ceramics powder；
(2) acid processing: the acetum that the volume fraction of 3 times of waste old ceramics powder weight amounts is 8% being added into waste old ceramics powder,
It is uniformly mixed, is heated to 85 DEG C with the speed of 1.7 DEG C/min, keeps the temperature 40min, obtain sour processing ceramics；
(3) primary calcining: acid processing ceramics are heated to 290 DEG C with the speed of 4 DEG C/min, 15min is kept the temperature, continues to be heated to
570 DEG C, 30min is kept the temperature, a burning ceramics are obtained；
(4) alkali process: 100 DEG C are cooled to a burning ceramics, the quality percentage that 1.6 times of waste old ceramics powder weight amounts are added is dense
The sodium hydroxide solution that degree is 4%, mild uniformly heat preservation stands 4h, obtains alkali process ceramics；
(5) it freezes: alkali process ceramics being cooled to -52 DEG C with the speed of 3 DEG C/min, freezing is stood for 24 hours, ceramics must be freezed；
(6) secondary clacining: freezing ceramics are heated to 710 DEG C with the speed of 5 DEG C/min, keep the temperature 30min, then with 3 DEG C/min's
Speed is heated to 1240 DEG C, keeps the temperature 40min, is milled to 500 mesh, obtains regenerating waste used ceramics.
The regenerating waste used ceramics that the regeneration method of the waste old ceramics is prepared.
The application method of the regenerating waste used ceramics, can be used in ceramic body, glaze and tire.
Comparative example 1
It removes step (2), remaining method, with embodiment 1.
Comparative example 2
It removes step (3), remaining method, with embodiment 1.
Comparative example 3
It removes step (4), remaining method, with embodiment 1.
Comparative example 4
It removes step (5), remaining method, with embodiment 1.
Comparative example 5
It removes step (6), remaining method, with embodiment 1.
Comparative example 6
A kind of preparation process of ceramic tile glaze disclosed in 104909839 A of patent document CN.
The using effect of the regenerating waste used ceramics of embodiment and comparative example:
The regenerating waste used ceramics in embodiment and comparative example are randomly choosed, are made an addition to disclosed in 104909839 A of patent document CN
In a kind of raw material of the preparation process of ceramic tile glaze, additive amount is the 2% of glaze weight, the corresponding additive amount for reducing lead oxide, so
It is afterwards that each group glaze glazing is identical in raw material, with a batch of bowl-shape ceramic body, by the method system of embodiment and comparison
Standby and firing, other preparation methods are identical, detect abrasion loss, pinhole number and the number of bubbles of firing ceramics, embodiment and comparative example
The using effect of regenerating waste used ceramics is shown in Table 1.
Table 1: the using effect of the regenerating waste used ceramics of embodiment and comparative example
| Project | Abrasion loss/(10-2g) | Pinhole number/(a) | Number of bubbles/(a) |
| Embodiment 1 | 13.6 | — | — |
| Embodiment 2 | 13.4 | 1 | — |
| Embodiment 3 | 13.7 | — | — |
| Comparative example 1 | 16.4 | 4 | 3 |
| Comparative example 2 | 18.7 | 5 | 6 |
| Comparative example 3 | 15.9 | 3 | 5 |
| Comparative example 4 | 16.3 | 4 | 4 |
| Comparative example 5 | 18.1 | 3 | 6 |
| Comparative example 6 | 20.3 | 4 | 5 |
Note: "-" expression is not detected.
Table 1 the result shows that, the regenerating waste used ceramics that the regeneration method of the waste old ceramics of embodiment is prepared, mill
Damage amount is obviously small compared with comparative example, and pinhole number and number of bubbles are obviously few compared with comparative example, illustrates waste old ceramics provided by the invention again
Making profits has good regeneration effect with method.
Claims (5)
1. a kind of regeneration method of waste old ceramics, which comprises the following steps:
(1) it crushes: waste old ceramics is placed in ball mill, being milled to partial size is 180 ~ 200 mesh, obtains waste old ceramics powder；
(2) acid processing: the acetum of 2 ~ 3 times of waste old ceramics powder weight amounts being added into waste old ceramics powder, is uniformly mixed, with
The speed of 1.3 ~ 1.7 DEG C/min is heated to 75 ~ 85 DEG C, keeps the temperature 30 ~ 40min, obtains sour processing ceramics；
(3) primary calcining: being heated to 270 ~ 290 DEG C for acid processing ceramics with the speed of 3 ~ 4 DEG C/min, keep the temperature 10 ~ 15min, after
It is continuous to be heated to 530 ~ 570 DEG C, 20 ~ 30min is kept the temperature, a burning ceramics are obtained；
(4) alkali process: 80 ~ 100 DEG C are cooled to a burning ceramics, the hydrogen of 1.2 ~ 1.6 times of waste old ceramics powder weight amounts is added
Sodium hydroxide solution, mild uniformly heat preservation stands 3 ~ 4h, obtains alkali process ceramics；
(5) it freezes: alkali process ceramics is cooled to -54 ~ -52 DEG C with the speed of 2 ~ 3 DEG C/min, stand freezing 20 ~ for 24 hours, obtain cold
Freeze ceramics；
(6) secondary clacining: freezing ceramics are heated to 670 ~ 710 DEG C with the speed of 4 ~ 5 DEG C/min, keep the temperature 20 ~ 30min, then with 2
The speed of ~ 3 DEG C/min is heated to 1120 ~ 1240 DEG C, keeps the temperature 30 ~ 40min, is milled to 400 ~ 500 mesh, obtains regenerating waste used ceramics.
2. the regeneration method of waste old ceramics according to claim 1, which is characterized in that the acetic acid of the step (2) is molten
Liquid, volume fraction are 6 ~ 8%.
3. the regeneration method of waste old ceramics according to claim 1, which is characterized in that the hydroxide of the step (4)
Sodium solution, mass percentage concentration are 3 ~ 4%.
4. the regenerating waste used ceramics that a kind of regeneration method of any one of claim 1 ~ 3 waste old ceramics is prepared.
5. the application method of regenerating waste used ceramics described in a kind of claim 4, which is characterized in that can be used in ceramic body, glaze
Material and tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181628.0A CN109290341B (en) | 2018-10-11 | 2018-10-11 | Method for recycling waste ceramic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181628.0A CN109290341B (en) | 2018-10-11 | 2018-10-11 | Method for recycling waste ceramic |
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| Publication Number | Publication Date |
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| CN109290341A true CN109290341A (en) | 2019-02-01 |
| CN109290341B CN109290341B (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517809A (en) * | 2020-05-06 | 2020-08-11 | 宜宾红星电子有限公司 | Method for preparing beryllium oxide ceramic powder from waste beryllium oxide ceramic |
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| CN111517809B (en) * | 2020-05-06 | 2022-04-12 | 宜宾红星电子有限公司 | Method for preparing beryllium oxide ceramic powder from waste beryllium oxide ceramic |
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