CN112897862A - Multi-chamber circulating heating quartz sand smelting furnace and working method thereof - Google Patents
Multi-chamber circulating heating quartz sand smelting furnace and working method thereof Download PDFInfo
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- CN112897862A CN112897862A CN202110143340.XA CN202110143340A CN112897862A CN 112897862 A CN112897862 A CN 112897862A CN 202110143340 A CN202110143340 A CN 202110143340A CN 112897862 A CN112897862 A CN 112897862A
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- Prior art keywords
- smelting furnace
- furnace body
- quartz sand
- smelting
- gas outlet
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- 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.)
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- 238000003723 Smelting Methods 0.000 title claims abstract description 126
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000006004 Quartz sand Substances 0.000 title claims abstract description 50
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 10
- 239000007789 gas Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003546 flue gas Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B3/00—Charging the melting furnaces
- C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a multi-chambered circulation heating's quartz sand smelting furnace, includes the stove outer covering, is equipped with first smelting furnace body, second smelting furnace body and third smelting furnace body in the stove outer covering, first smelting furnace top is equipped with the pan feeding mouth, the diapire of first smelting furnace is the inclined plane be fixed with the slope filter screen between the middle part of first smelting furnace and the middle part on inclined plane, the bottom of first smelting furnace body is provided with the discharge gate, the discharge gate sets up the low side on inclined plane be provided with the passage on the discharge gate, the passage extends to the lateral wall top of second smelting furnace body. According to the quartz sand smelting furnace with the multiple chambers circularly heated, the flue gas can flow to the water tank through the gas outlet pipeline, the gas outlet pipeline is connected with the gas outlet in a clamping manner and communicated through the pipeline, the flue gas generated during smelting is guided into the water tank, and the flue gas is prevented from being directly discharged to pollute the environment.
Description
Technical Field
The invention belongs to the technical field of quartz sand smelting furnaces, and particularly relates to a multi-chamber circulating heating quartz sand smelting furnace and a working method thereof.
Background
The quartz sand is a hard, wear-resistant and chemically stable silicate mineral, the main mineral component of the quartz sand is SiO2, the color of the quartz sand is milky white or colorless and semitransparent, the quartz sand has the hardness of 7, the quartz sand is brittle and non-cleavage, the quartz sand has a shell-shaped fracture, the gloss of grease is 2.65 in density, the bulk density (1-20 meshes are 1.6-1.8) and 20-200 meshes are 1.5, the quartz sand has obvious anisotropy in chemical, thermal and mechanical properties, is insoluble in acid, is slightly soluble in KOH solution and has a melting point of 1750 ℃.
In order to meet the processing requirements, the quartz sand needs to be smelted.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a multi-chamber circularly heated quartz sand smelting furnace, wherein in the heating process, flue gas flows into a hose through an air outlet pipeline and finally flows into a water tank, the air outlet pipeline and an air outlet are connected in a clamping manner and communicated through a pipeline, so that the flue gas generated in smelting can be guided into the water tank, and the flue gas is prevented from being directly discharged to pollute the environment.
The technical scheme is as follows: the invention provides a multi-chamber circulating heating quartz sand smelting furnace, which comprises a furnace shell, wherein a first smelting furnace body, a second smelting furnace body and a third smelting furnace body are arranged in the furnace shell, a feeding hole is formed in the top of the first smelting furnace, the bottom wall of the first smelting furnace is an inclined surface, an inclined filter screen is fixed between the middle part of the first smelting furnace and the middle part of the inclined surface, impurity discharging through holes are fixed on the side wall of the first smelting furnace body, the inner side ends of the impurity discharging through holes are arranged in the middle part of the inclined surface and above the inclined filter screen, adjusting gate valves are arranged on the impurity discharging through holes, a discharging hole is formed in the bottom of the first smelting furnace body, the discharging hole is arranged at the lower end of the inclined surface, a material guide pipe is arranged on the discharging hole and extends to the top of the side wall of the second smelting furnace body, and the second smelting furnace body is connected with the third smelting furnace body through, the second smelting furnace body and the third smelting furnace body are heating furnace bodies, the top of the furnace shell is provided with a gas outlet, the gas outlet is connected with a gas outlet pipeline, the right end of the gas outlet pipeline is communicated with a hose, the bottom end of the hose is communicated with a water tank, the surface of the right end of the water tank is provided with a through hole, the lower surface of the water tank is connected with a support plate, and the lower surface of the support plate is provided with an inclined support rod. The supporting rod strengthens the supporting strength, the multi-stage smelting furnace bodies are combined for use, the smelting quality is improved, the multi-chamber classification is also favorable for reducing the labor intensity of workers, and the operation safety is improved.
Furthermore, the multi-chamber circulating heating quartz sand smelting furnace is provided with a first smelting furnace body, a second smelting furnace body and a third smelting furnace body which are arranged in a step shape from top to bottom.
Furthermore, in the multi-chamber circularly heated quartz sand smelting furnace, an iron removing magnet is arranged in the inclined filter screen.
Furthermore, in the multi-chamber circulating heating quartz sand smelting furnace, the support rod, the support plate and the outer wall of the furnace shell form a triangular structure.
Furthermore, in the multi-chamber circulating heating quartz sand smelting furnace, the left end and the lower surface of the support plate are respectively welded with the outer wall of the furnace shell and the support rod, and the support rod is obliquely arranged on the outer wall of the furnace shell.
Furthermore, in the multi-chamber circulating heating quartz sand smelting furnace, the longitudinal section of the gas outlet pipeline is L-shaped, and the gas outlet pipeline is connected with the gas outlet in a clamping manner.
Further, in the multi-chamber circulating heating quartz sand smelting furnace, the front side surface of the furnace shell is provided with an observation window, and the observation window is made of toughened glass material. Through the arrangement of the observation window, the inside of the furnace shell can be observed.
Furthermore, in the multi-chamber circulating heating quartz sand smelting furnace, a second smelting chamber is arranged in the second smelting furnace body, and first electromagnetic heating devices are arranged on the left end, the right end and the lower end surface of the second smelting chamber.
Furthermore, in the multi-chamber circulating heating quartz sand smelting furnace, a third smelting chamber is arranged in the third smelting furnace body, second electromagnetic heating devices are arranged at the left end and the right end of the third smelting chamber, and a discharge hole is formed in the bottom end of the third smelting chamber.
Further, the working method of the multi-chamber circulating heating quartz sand smelting furnace comprises the following specific operation steps:
1): quartz sand enters a first smelting furnace body from a feeding port;
2): the quartz sand enters a discharge port through the screening of the inclined filter screen, enters a second smelting furnace body and a third smelting furnace body through the material guide pipe, and the quartz sand which does not pass through the screening of the inclined filter screen enters the impurity discharge through hole;
3): the worker starts the electromagnetic heating device to heat and melt the quartz sand in the smelting cavity;
4): at the in-process of heating, the flue gas will circulate to the hose through the pipeline of giving vent to anger to circulate to the water tank at last, the intercommunication through the pipeline is connected with the gas outlet block to the pipeline of giving vent to anger, just can be with leading-in to the water tank of the flue gas that produces when smelting, thereby avoid the direct outer polluted environment that discharges of flue gas.
The technical scheme shows that the invention has the following beneficial effects: the quartz sand smelting furnace with the multiple chambers circularly heated is simple and reasonable in structural design and convenient to operate, multiple stages of smelting furnace bodies are combined for use, the smelting quality is improved, the multiple chambers are classified, the labor intensity of workers is reduced, the operation safety is improved, in the heating process, smoke can flow into the hose through the air outlet pipeline and finally flow into the water tank, the air outlet pipeline and the air outlet are connected in a clamping mode and communicated through the pipeline, the smoke generated in the smelting process can be guided into the water tank, and therefore the situation that the smoke is directly discharged outside to pollute the environment is avoided, the application cost is low, and the popularization value is high.
Drawings
FIG. 1 is a schematic structural diagram of a multi-chamber circulation heating quartz sand smelting furnace of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Example 1
The multi-chamber circularly heated quartz sand smelting furnace as shown in fig. 1 comprises a furnace shell 1, a first smelting furnace body 2, a second smelting furnace body 3 and a third smelting furnace body 4 are arranged in the furnace shell 1, a feeding port 21 is arranged at the top of the first smelting furnace 2, the bottom wall of the first smelting furnace 2 is an inclined surface, an inclined filter screen 22 is fixed between the middle part of the first smelting furnace 2 and the middle part of the inclined surface, an impurity discharging through hole 23 is fixed on the side wall of the first smelting furnace body 2, the inner side end of the impurity discharging through hole 23 is arranged at the middle part of the inclined surface and above the inclined filter screen, an adjusting gate valve is arranged on the impurity discharging through hole 23, a discharging port is arranged at the bottom of the inclined surface, a material guide pipe 11 is arranged on the discharging port, the material guide pipe 11 extends to the top of the side wall of the second smelting furnace body 3, the smelting furnace body 3 of second and the third are smelted and are connected through passage 11 between the furnace body 4, the smelting furnace body 3 of second and the third are smelted the furnace body 4 and are the heating furnace body, stove outer covering 1 top is equipped with the gas outlet, and gas outlet pipeline 5 is connected to the gas outlet, the right-hand member intercommunication of gas outlet pipeline 5 has hose 6, and the bottom intercommunication of hose 6 has water tank 8, through-hole 7 has been seted up on the right-hand member surface of water tank 8, the lower surface of water tank 8 is connected with support plate 9, the lower surface of support plate 9 is equipped with the bracing piece 10 of slope. The longitudinal section of the air outlet pipeline 5 is L-shaped, and the air outlet pipeline 5 is connected with the air outlet in a clamping manner.
The first smelting furnace body 2, the second smelting furnace body 3 and the third smelting furnace body 4 are arranged in a step shape from top to bottom. And an iron removing magnet is arranged in the inclined filter screen 22.
The support rods 10, the support plate 9 and the outer wall of the furnace shell 1 form a triangular structure. The left end and the lower surface of the support plate 9 are respectively welded with the outer wall of the furnace shell 1 and the support rod 10, and the support rod 10 is obliquely arranged on the outer wall of the furnace shell 1.
The front side surface of the furnace shell 1 is provided with an observation window, and the observation window is made of toughened glass material.
A second smelting cavity 31 is formed in the second smelting furnace body 3, and first electromagnetic heating devices 32 are arranged on the left end, the right end and the lower end surface of the second smelting cavity 31. The third smelting furnace body 4 is internally provided with a third smelting cavity 41, the left end and the right end of the third smelting cavity 31 are respectively provided with a second electromagnetic heating device 42, and the bottom end of the third smelting cavity 31 is provided with a discharge hole 43.
The working method of the multi-chamber circulating heating quartz sand smelting furnace in the embodiment comprises the following specific operation steps:
1): quartz sand enters the first smelting furnace body 2 from a feeding port 21;
2): the quartz sand enters the discharge port through the screening of the inclined filter screen 22, enters the second smelting furnace body 3 and the third smelting furnace body 4 through the material guide pipe 11, and enters the impurity discharge through hole 23 after passing through the screening of the inclined filter screen 22;
3): the worker starts the electromagnetic heating device to heat and melt the quartz sand in the smelting cavity;
4): at the in-process of heating, the flue gas will circulate to the hose 6 through the pipeline of giving vent to anger 5 to at last circulate to water tank 8, the intercommunication through the pipeline is connected with the gas outlet block to the pipeline of giving vent to anger 5, just can be with leading-in to the water tank 8 of the flue gas that produces when smelting, thereby avoid the direct outer polluted environment that discharges of flue gas.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a quartz sand smelting furnace of multi-chambered circulation heating, includes stove outer covering (1), its characterized in that: a first smelting furnace body (2), a second smelting furnace body (3) and a third smelting furnace body (4) are arranged in the furnace shell (1), a feeding port (21) is formed in the top of the first smelting furnace (2), the bottom wall of the first smelting furnace (2) is an inclined plane, an inclined filter screen (22) is fixed between the middle part of the first smelting furnace (2) and the middle part of the inclined plane, impurity discharging through holes (23) are fixed on the side wall of the first smelting furnace body (2), the inner side ends of the impurity discharging through holes (23) are arranged in the middle part of the inclined plane and above the inclined filter screen, adjusting gate valves are arranged on the impurity discharging through holes (23), a discharging port is formed in the bottom of the first smelting furnace body (2), the discharging port is arranged at the lower end of the inclined plane, a material guide pipe (11) is arranged on the discharging port, and the material guide pipe (11) extends to the top of the side wall of the second smelting furnace body (, the utility model discloses a smelting furnace, including furnace shell (1), gas outlet pipeline (5), the right-hand member intercommunication of gas outlet pipeline (5) has hose (6), and the bottom intercommunication of hose (6) has water tank (8), through-hole (7) have been seted up on the right-hand member surface of water tank (8), the lower surface of water tank (8) is connected with support plate (9), the lower surface of support plate (9) is equipped with bracing piece (10) of slope, the second is smelted furnace body (3) and is connected through passage (11) between the third smelting furnace body (4), furnace shell (1) top is equipped with the gas outlet with the third smelting furnace body (3), gas outlet pipeline (5) is connected to the gas outlet.
2. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the first smelting furnace body (2), the second smelting furnace body (3) and the third smelting furnace body (4) are arranged in a step shape from top to bottom.
3. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: and an iron removing magnet is arranged in the inclined filter screen (22).
4. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the support rods (10), the support plate (9) and the outer wall of the furnace shell (1) form a triangular structure.
5. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the left end and the lower surface of the support plate (9) are respectively welded with the outer wall of the furnace shell (1) and the support rod (10), and the support rod (10) is obliquely arranged on the outer wall of the furnace shell (1).
6. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the longitudinal section of the air outlet pipeline (5) is L-shaped, and the air outlet pipeline (5) is connected with the air outlet in a clamping manner.
7. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the front side surface of the furnace shell (1) is provided with an observation window, and the observation window is made of toughened glass material.
8. The multi-chamber circulation heated quartz sand smelting furnace according to claim 1, characterized in that: the second smelting furnace body (3) is internally provided with a second smelting cavity (31), and the left end, the right end and the lower end surface of the second smelting cavity (31) are respectively provided with a first electromagnetic heating device (32).
9. The multi-chamber circulation heated quartz sand smelting furnace according to claim 8, characterized by: the third smelting furnace body (4) is internally provided with a third smelting cavity (41), the left end and the right end of the third smelting cavity (31) are respectively provided with a second electromagnetic heating device (42), and the bottom end of the third smelting cavity (31) is provided with a discharge hole (43).
10. The method of operating a multi-chamber circulation heated quartz sand smelting furnace according to any one of claims 1 to 9, characterized by: the specific operation steps are as follows:
1): quartz sand enters a first smelting furnace body (2) from a feeding port (21);
2): the quartz sand enters a discharge port through the screening of the inclined filter screen (22), enters a second smelting furnace body (3) and a third smelting furnace body (4) through a material guide pipe (11), and the quartz sand which does not pass through the screening of the inclined filter screen (22) enters an impurity discharging through hole (23);
3): the worker starts the electromagnetic heating device to heat and melt the quartz sand in the smelting cavity;
4): at the in-process of heating, the flue gas will circulate to hose (6) through outlet duct (5) to circulate to water tank (8) at last, outlet duct (5) and gas outlet block are connected the intercommunication through the pipeline, just can be with leading-in to water tank (8) of the flue gas that produces when smelting, thereby avoid the direct outer polluted environment that arranges of flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143340.XA CN112897862A (en) | 2021-02-02 | 2021-02-02 | Multi-chamber circulating heating quartz sand smelting furnace and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143340.XA CN112897862A (en) | 2021-02-02 | 2021-02-02 | Multi-chamber circulating heating quartz sand smelting furnace and working method thereof |
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| CN112897862A true CN112897862A (en) | 2021-06-04 |
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| CN202110143340.XA Pending CN112897862A (en) | 2021-02-02 | 2021-02-02 | Multi-chamber circulating heating quartz sand smelting furnace and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340113A (en) * | 2021-08-04 | 2021-09-03 | 佛山市南海区辉泰科技机械有限公司 | Hierarchical smelting furnace and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553278A (en) * | 2018-12-28 | 2019-04-02 | 新沂市永恒熔融石英有限公司 | A kind of quartz sand smelting furnace of controllable temperature |
| CN209459413U (en) * | 2018-12-30 | 2019-10-01 | 葛洲坝展慈（宁波）金属工业有限公司 | A kind of Metal Melting device convenient for dedusting |
| CN209945003U (en) * | 2019-03-25 | 2020-01-14 | 重庆新桥华福铝业有限公司 | Graded smelting type aluminum liquid smelting furnace |
| CN111377594A (en) * | 2020-03-13 | 2020-07-07 | 新沂市磊晶石英材料有限公司 | Quartz sand smelting equipment and working method thereof |
-
2021
- 2021-02-02 CN CN202110143340.XA patent/CN112897862A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553278A (en) * | 2018-12-28 | 2019-04-02 | 新沂市永恒熔融石英有限公司 | A kind of quartz sand smelting furnace of controllable temperature |
| CN209459413U (en) * | 2018-12-30 | 2019-10-01 | 葛洲坝展慈（宁波）金属工业有限公司 | A kind of Metal Melting device convenient for dedusting |
| CN209945003U (en) * | 2019-03-25 | 2020-01-14 | 重庆新桥华福铝业有限公司 | Graded smelting type aluminum liquid smelting furnace |
| CN111377594A (en) * | 2020-03-13 | 2020-07-07 | 新沂市磊晶石英材料有限公司 | Quartz sand smelting equipment and working method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340113A (en) * | 2021-08-04 | 2021-09-03 | 佛山市南海区辉泰科技机械有限公司 | Hierarchical smelting furnace and using method thereof |
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Application publication date: 20210604 |
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