CN220039067U - Multilayer ceramic tile sintering tunnel kiln - Google Patents
Multilayer ceramic tile sintering tunnel kiln Download PDFInfo
- Publication number
- CN220039067U CN220039067U CN202321011503.XU CN202321011503U CN220039067U CN 220039067 U CN220039067 U CN 220039067U CN 202321011503 U CN202321011503 U CN 202321011503U CN 220039067 U CN220039067 U CN 220039067U
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- Prior art keywords
- tunnel kiln
- sintering
- ceramic tile
- buffer
- air inlet
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- 238000005245 sintering Methods 0.000 title claims abstract description 52
- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 25
- 238000004064 recycling Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Filtering Materials (AREA)
Abstract
The utility model discloses a multilayer ceramic tile sintering tunnel kiln, which relates to the technical field of tunnel kilns and comprises a tunnel kiln, wherein an air inlet hole is preset on the inner side surface of the tunnel kiln, a buffer protection mechanism is arranged at the upper end of the tunnel kiln, a waste heat recovery mechanism is arranged at the output end of the buffer protection mechanism, and the waste heat recovery mechanism is arranged on the outer side surface of the tunnel kiln and connected with the outer side surface of the tunnel kiln. According to the utility model, the coarse material filter screen is matched with the activated carbon plate, so that impurity particles generated in gas can be filtered out, the gas is prevented from directly entering the water tank to enable impurities in the gas to be attached to the inner walls of the water tank and the heat exchange tube, the normal use effect of the heat exchange tube is prevented from being influenced, the whole service life is prolonged, the cooled and purified gas can be blown to the surface of the sintered ceramic tile through the matching of the exhaust pipe, the air pipe and the air outlet barrel, the uniform cooling effect is realized, the heat of the surface of the ceramic tile after sintering is reduced, and the ceramic tile is convenient for people to take the ceramic tile.
Description
Technical Field
The utility model relates to the technical field of tunnel kilns, in particular to a multi-layer ceramic tile sintering tunnel kiln.
Background
The ceramic tile is made of refractory metal oxide and semi-metal oxide through grinding, mixing, pressing, glazing and sintering, and features that its ceramic or stone is used as building or decoration material, and the ceramic tile is made up through such technological steps as grinding, mixing, pressing, glazing and sintering.
The publication number is: the vertical sintering kiln of CN211234005U comprises a kiln body, wherein an upper partition plate and a lower partition plate are arranged in the kiln body to divide the kiln body into a preheating chamber, a sintering chamber and a cooling chamber from top to bottom, the lower partition plate is two layers and is provided with a main gas pipe in a gap of the two layers, the main gas pipe is connected with a plurality of gas distribution pipes, the gas distribution pipes are positioned on the side wall of the sintering chamber, the main gas pipe is connected with a blower through a pipeline, a cooling fan is arranged on the lower partition plate positioned below, and a plurality of hot gas through holes are formed in the upper partition plate. The kiln body is divided into three chambers, namely the preheating chamber, the sintering chamber, the cooling chamber and the like, the production space is saved through the vertical structure, and the air distribution pipe is arranged on the inner side wall of the sintering chamber, so that a large amount of air is blown into the sintering chamber, the sintering chamber can be fully combusted, and heat generated by combustion is transferred into the preheating chamber through the upper partition plate to preheat the next batch of blanks, so that the heat generated in the sintering chamber is fully utilized.
In order to solve the problem that the prior sintering kiln cannot reasonably utilize heat, the prior art adopts a mode that a kiln body is divided into a preheating chamber, a sintering chamber, a cooling chamber and the like, and the production space is saved through a vertical structure for processing, but more smoke dust and impurities can be generated in recovered hot gas, if the condition that the quality of subsequent sintering can be affected by direct utilization without filtering is solved, the problem that gas directly enters the cooling chamber and the impurities in the gas attach to the inner wall of a heat exchange tube to shorten the service life of the tube is caused.
Disclosure of Invention
The utility model aims to provide a multi-layer ceramic tile sintering tunnel kiln which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a multilayer formula ceramic tile sintering tunnel cave, includes the tunnel cave, the inboard surface of tunnel cave is preset the inlet port, the upper end of tunnel cave is provided with buffering protection mechanism, buffering protection mechanism's output is provided with waste heat recovery mechanism, and waste heat recovery mechanism sets up in the lateral surface of tunnel cave and is connected with it;
the buffer protection mechanism comprises a limit clamping unit and a buffer unit, wherein the limit clamping unit and the buffer unit are both arranged on the inner side of the tunnel kiln;
the waste heat recovery mechanism comprises a sintering gas filtering unit and a heat recycling unit, and the output end of the sintering gas filtering unit is fixedly connected with one end of the heat recycling unit.
The technical scheme of the utility model is further improved as follows: the limiting clamping unit comprises a limiting sliding strip and a protection plate, the protection plate is fixedly arranged on the inner side surface of the tunnel kiln respectively, a limiting groove is preset on the outer side surface of the lower end of the protection plate, and the inner wall of the limiting groove is connected with the outer surface of the limiting sliding strip in a clamping and embedding mode.
By adopting the technical scheme, the outer surface of the limit sliding strip and the inner wall of the limit groove are mutually matched and installed for quick assembly of the protection plate.
The technical scheme of the utility model is further improved as follows: the buffer unit comprises a reinforcing rib and a buffer cone, the outer surface of the upper end of the buffer cone is fixedly connected with the lower surface of the reinforcing rib, the upper end of the reinforcing rib is fixedly arranged on the top surface of the inner cavity of the air inlet hole, and the lower surface of the buffer cone is abutted to the upper surface of the protection plate.
By adopting the technical scheme, the reinforcing ribs and the inside of the buffer cone are provided with relatively hard reinforcing steel bars for supporting.
The technical scheme of the utility model is further improved as follows: the sintering gas filtering unit comprises a filtering box and an air inlet pipe, one end of the air inlet pipe extends to the top surface of the inner cavity of the tunnel kiln, the air outlet end of the air inlet pipe is fixedly connected with a fan, and the output end of the fan is fixedly connected with one end of the filtering box.
By adopting the technical scheme, the whole shape of the air inlet pipe is in an inverted L-shaped structure.
The technical scheme of the utility model is further improved as follows: the sintering gas filtering unit further comprises a coarse material filter screen and an activated carbon plate, a mounting groove is formed in the inner wall of the air inlet pipe, a clamping block is connected to the inner wall of the mounting groove in a sliding mode, and the inner surface of the clamping block is fixedly connected with the outer surfaces of the two ends of the coarse material filter screen and the outer surfaces of the two ends of the activated carbon plate respectively.
By adopting the technical scheme, the clamping blocks and the mounting grooves are in adaptive mounting, so that the effect of quickly assembling the coarse material filter screen and the activated carbon plate is achieved.
The technical scheme of the utility model is further improved as follows: the heat recycling unit comprises a heat exchange tube and a water tank, a water outlet is formed in the outer surface of the lower end of the heat exchange tube, a valve is arranged on the inner side wall of the water outlet, one end of the heat exchange tube is in sealing connection with the outer surface of one side of the filter tank, the other end of the heat exchange tube is fixedly connected with an annular tube extending to the inside of the water tank, and the air outlet end of the annular tube is fixedly connected with an exhaust pipe.
By adopting the technical scheme, the annular pipe is arranged into an annular roundabout structure.
The technical scheme of the utility model is further improved as follows: the heat recycling unit further comprises an air pipe, the outer surface of one side of the air pipe is in through connection with one end, far away from the annular pipe, of the exhaust pipe, and air outlet cylinders are respectively arranged on the inner side surface of the air pipe.
By adopting the technical scheme, the air outlet cylinders are hollow conical shapes with the inner parts narrow and the outer parts wide.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a multilayer ceramic tile sintering tunnel kiln, which adopts a joint connection unit and a buffer unit to jointly match, solves the problems that the prior sintering ceramic tile tunnel kiln adopts a single-layer structure and has poor bearing capacity and protection performance, can prevent the ceramic tile from tilting to cause collision and crushing to the inner wall in the sintering process by mutually matching a reinforcing rib and a buffer cone, and ensures daily cleaning and replacement of a protection plate by jointly matching a limit slide bar, the protection plate and a limit groove.
2. The utility model provides a multi-layer ceramic tile sintering tunnel kiln, which adopts the common cooperation between a sintering gas filtering unit and a heat recycling unit, solves the problem that more smoke dust and impurities are generated in hot gas recovered by the conventional tunnel kiln, and the quality of subsequent sintering can be affected by direct utilization without filtering.
3. The utility model provides a multilayer ceramic tile sintering tunnel kiln, which is matched with an installation groove, so that a coarse material filter screen and a clamping block can be conveniently assembled quickly, replacement and cleaning are convenient, the effect of hot gas filtration is ensured, the contact area between heat and water in a water tank is enlarged by adopting the arrangement of an annular pipe, and the working efficiency of heat exchange is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic perspective sectional structure of the water tank of the present utility model;
FIG. 3 is a schematic view of a three-dimensional exploded cross-sectional structure of the buffer protection mechanism of the present utility model;
FIG. 4 is a schematic diagram of a buffer protection mechanism according to the present utility model;
fig. 5 is a schematic perspective exploded view of the sintered gas filter unit of the present utility model.
In the figure: 1. a tunnel kiln; 2. a buffer protection mechanism; 3. a waste heat recovery mechanism; a1, an air inlet hole; 211. a limit slide bar; 212. a protection plate; 213. a limit groove; 221. reinforcing ribs; 222. a buffer cone; 311. a filter box; 312. a blower; 313. an air inlet pipe; 314. coarse material filter screen; 315. an activated carbon plate; 316. a clamping block; 321. a heat exchange tube; 322. an annular tube; 323. an exhaust pipe; 324. an air duct; 325. an air outlet tube; a3, a water tank.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides a multi-layer ceramic tile sintering tunnel kiln, which comprises a tunnel kiln 1, wherein an air inlet hole a1 is pre-arranged on the inner side surface of the tunnel kiln 1, a buffer protection mechanism 2 is arranged at the upper end of the tunnel kiln 1, a waste heat recovery mechanism 3 is arranged at the output end of the buffer protection mechanism 2, and the waste heat recovery mechanism 3 is arranged on the outer side surface of the tunnel kiln 1 and connected with the outer side surface of the tunnel kiln 1; the buffer protection mechanism 2 comprises a limit clamping unit and a buffer unit, wherein the limit clamping unit and the buffer unit are both arranged on the inner side of the tunnel kiln 1; the waste heat recovery mechanism 3 is including sintering gas filtering unit and heat cyclic utilization unit, the output of sintering gas filtering unit and the one end fixed connection of heat cyclic utilization unit, spacing joint unit is including spacing draw-in bar 211 and guard plate 212, guard plate 212 fixed mounting is at the inboard surface of inlet port a1 respectively, the lower extreme lateral surface of guard plate 212 is equipped with spacing groove 213 in advance, the inner wall of spacing groove 213 is connected with the surface inlay card of spacing draw-in bar 211, through fixing spacing draw-in bar 211 at the inboard surface of tunnel kiln 1, the guard plate 212 that presets the guard plate 212 lower extreme is aimed at the surface of spacing draw-in bar 211 and is inlay card installation, the steam generator is simple in structure, the assembly method is convenient, buffer unit is including strengthening rib 221 and buffering cone 222, the upper end surface of buffering cone 222 and the lower surface fixed connection of strengthening rib 221, the upper end fixed mounting of strengthening rib 221 is at the inner chamber top surface of inlet port a1, and the lower surface butt of buffering cone 222 through the upper surface of strengthening rib 221 and buffering cone 222 mutually supporting of baffle cone 222, can prevent that the sintering process from empting the tile and causing the collision bad to the inner wall, the condition when suffering damage has been avoided, the protection effect has been increased.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the sintering gas filtering unit comprises a filtering box 311 and an air inlet pipe 313, one end of the air inlet pipe 313 extends to the top surface of the inner cavity of the tunnel kiln 1, the air outlet end of the air inlet pipe 313 is fixedly connected with a fan 312, the output end of the fan 312 is fixedly connected with one end of the filtering box 311, the fan 312 is controlled to be opened, the air inlet pipe 313 extracts hot gas to the inner cavity of the tunnel kiln 1, the hot gas enters the filtering box 311, the sintering gas filtering unit further comprises a coarse material filter screen 314 and an activated carbon plate 315, an installation groove is formed in the inner wall of the air inlet pipe 313, a clamping block 316 is slidably connected to the inner wall of the installation groove, the inner surface of the clamping block 316 is fixedly connected with the outer surfaces of the two ends of the coarse material filter screen 314 and the activated carbon plate 315 respectively, the hot gas sucked by the fan 312 is subjected to double filtration through the coarse material filter screen 314 and the activated carbon plate 315, the adsorption filtration of particulate impurities and harmful substances in the hot gas is guaranteed, the gas is prevented from directly entering the water tank a3, the impurities in the gas are prevented from being attached to the inner wall of the water tank a3 and the heat exchange tube 321, and the whole service life is prolonged.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the heat recycling unit comprises a heat exchange tube 321 and a water tank a3, the outer surface of the lower end of the heat exchange tube 321 is provided with a water outlet, a valve is arranged on the inner side wall of the water outlet, one end of the heat exchange tube 321 is in sealing connection with one side outer surface of the filter box 311, the other end of the heat exchange tube 321 is fixedly connected with an annular tube 322 extending to the inside of the water tank a3, the air outlet end of the annular tube 322 is fixedly connected with an exhaust tube 323, cold water is injected into the inside of the water tank a3, the water outlet is arranged at the lower end of the water tank a3, purified gas passes through the annular tube 322, the outer wall of the annular tube 322 is contacted with the water body inside the water tank a3, the water body inside the water tank a3 is heated, the valve on the side wall of the water outlet is opened to discharge the water body of heat exchange for subsequent production and use, one side outer surface of the air tube 324 is in penetrating connection with one end of the exhaust tube 323 far away from the annular tube 322, the inner side surface of the air tube 324 is respectively provided with a ceramic tile tube, the obtained cooled gas is blown to the sintered surface of the ceramic tile after the ceramic tile 324, the ceramic tile is cooled, and the ceramic tile is conveniently blown by personnel after the ceramic tile is cooled.
The working principle of the multi-layer ceramic tile sintering tunnel kiln is specifically described below.
As shown in fig. 1-5, when the tunnel kiln is used for ceramic tile sintering operation, a worker pushes the ceramic tile rack into the tunnel kiln 1 as a whole, hot air generated during sintering enters the top inner cavity of the tunnel kiln 1 through an air inlet hole a1, the air blower 312 is controlled to be opened, so that an air inlet pipe 313 extracts the hot air into the inner cavity of the tunnel kiln 1, the hot air enters the filter box 311, the coarse material filter screen 314 is matched with the activated carbon plate 315 to adsorb and filter particulate impurities and harmful substances therein, purified air passes through an annular pipe 322, the outer wall of the annular pipe 322 is contacted with water in a water tank a3, the water in the water tank a3 is heated, and the cooled air is blown to the surface of the sintered ceramic tile through an air pipe 324 and an air outlet tube 325, so that rapid cooling is realized.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a multilayer formula ceramic tile sintering tunnel cave, is applicable to the sintering treatment of ceramic tile, includes tunnel cave (1), its characterized in that: an air inlet hole (a 1) is preset in the inner side surface of the tunnel kiln (1), a buffer protection mechanism (2) is arranged at the upper end of the tunnel kiln (1), a waste heat recovery mechanism (3) is arranged at the output end of the buffer protection mechanism (2), and the waste heat recovery mechanism (3) is arranged on the outer side surface of the tunnel kiln (1) and connected with the outer side surface of the tunnel kiln;
the buffer protection mechanism (2) comprises a limit clamping unit and a buffer unit, wherein the limit clamping unit and the buffer unit are both arranged on the inner side of the tunnel kiln (1);
the waste heat recovery mechanism (3) comprises a sintering gas filtering unit and a heat recycling unit, and the output end of the sintering gas filtering unit is fixedly connected with one end of the heat recycling unit.
2. A multi-layered tile sintering tunnel kiln according to claim 1, wherein: the limiting clamping unit comprises a limiting sliding strip (211) and a protection plate (212), wherein the protection plate (212) is fixedly arranged on the inner side surface of the tunnel kiln (1) respectively, a limiting groove (213) is arranged on the outer side surface of the lower end of the protection plate (212), and the inner wall of the limiting groove (213) is connected with the outer surface of the limiting sliding strip (211) in a clamping and embedding mode.
3. A multi-layered tile sintering tunnel kiln according to claim 1, wherein: the buffer unit comprises a reinforcing rib (221) and a buffer cone (222), wherein the outer surface of the upper end of the buffer cone (222) is fixedly connected with the lower surface of the reinforcing rib (221), the upper end of the reinforcing rib (221) is fixedly arranged on the top surface of an inner cavity of the air inlet hole (a 1), and the lower surface of the buffer cone (222) is abutted to the upper surface of the protection plate (212).
4. A multi-layered tile sintering tunnel kiln according to claim 1, wherein: the sintering gas filtering unit comprises a filtering box (311) and an air inlet pipe (313), one end of the air inlet pipe (313) extends to the top surface of the inner cavity of the tunnel kiln (1), the air outlet end of the air inlet pipe (313) is fixedly connected with a fan (312), and the output end of the fan (312) is fixedly connected with one end of the filtering box (311).
5. A multi-layered tile sintering tunnel kiln according to claim 4, wherein: the sintering gas filtering unit further comprises a coarse material filter screen (314) and an activated carbon plate (315), wherein an installation groove is formed in the inner wall of the air inlet pipe (313), a clamping block (316) is connected to the inner wall of the installation groove in a sliding mode, and the inner surfaces of the clamping blocks (316) are fixedly connected with the outer surfaces of the two ends of the coarse material filter screen (314) and the outer surfaces of the two ends of the activated carbon plate (315) respectively.
6. A multi-layered tile sintering tunnel kiln according to claim 1, wherein: the heat recycling unit comprises a heat exchange tube (321) and a water tank (a 3), a water outlet is formed in the outer surface of the lower end of the heat exchange tube (321), a valve is arranged on the inner side wall of the water outlet, one end of the heat exchange tube (321) is in sealing connection with one side outer surface of the filter box (311), an annular tube (322) extending to the inner part of the water tank (a 3) is fixedly connected with the other end of the heat exchange tube (321), and an exhaust pipe (323) is fixedly connected with the air outlet end of the annular tube (322).
7. A multi-layered tile sintering tunnel kiln according to claim 1, wherein: the heat recycling unit further comprises an air pipe (324), one side outer surface of the air pipe (324) is in through connection with one end, far away from the annular pipe (322), of the exhaust pipe (323), and air outlet cylinders (325) are respectively arranged on the inner side surfaces of the air pipe (324).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011503.XU CN220039067U (en) | 2023-04-27 | 2023-04-27 | Multilayer ceramic tile sintering tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011503.XU CN220039067U (en) | 2023-04-27 | 2023-04-27 | Multilayer ceramic tile sintering tunnel kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039067U true CN220039067U (en) | 2023-11-17 |
Family
ID=88744137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321011503.XU Active CN220039067U (en) | 2023-04-27 | 2023-04-27 | Multilayer ceramic tile sintering tunnel kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039067U (en) |
-
2023
- 2023-04-27 CN CN202321011503.XU patent/CN220039067U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240119 Address after: 528200 Xiqiao Hegang Development Zone, Nanhai District, Foshan City, Guangdong Province (formerly located in the Neershi Ceramic Factory) Patentee after: Guangdong city jinyatao Ceramics Co.,Ltd. Address before: 528000 Xiqiao Chongnan Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee before: Guangdong Bally Ceramic Co.,Ltd. |
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| TR01 | Transfer of patent right |