CN212237121U - Dust removal device for coating stirrer - Google Patents
Dust removal device for coating stirrer Download PDFInfo
- Publication number
- CN212237121U CN212237121U CN202020795608.9U CN202020795608U CN212237121U CN 212237121 U CN212237121 U CN 212237121U CN 202020795608 U CN202020795608 U CN 202020795608U CN 212237121 U CN212237121 U CN 212237121U
- Authority
- CN
- China
- Prior art keywords
- dust removal
- fixedly connected
- dust
- wall
- removal tank
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a dust collector for coating stirrer, the camera includes a supporting plate, the top fixedly connected with dust removal tank of backup pad, and the inner wall fixedly connected with active carbon filter screen of dust removal tank, there is the water pump outer wall left side of dust removal tank through the drinking-water pipe connection, and the inner wall fixedly connected with fixed plate of dust removal tank, the inside opening part embedding of fixed plate has the dust filter screen. The utility model discloses in, under rotary mechanism's effect, its water pump starts through external power supply, then it carries water liquid through the raceway and carries to the shower nozzle blowout through four branch pipes through the inside of connecting piece, simultaneously its aspiration pump starts, the coating dust that produces in the working process of coating mixer in its workshop adsorbs, and carry to the inside of dust removal jar, its driving motor starts simultaneously, then its gear two rotates, and the transmission rotates in gear one, then circular motion is made at the inner wall of dust removal jar along with the loose ring respectively to its connecting piece and four branch pipes.
Description
Technical Field
The utility model relates to a paint mixer's dust removal technical field especially relates to a dust collector for paint mixer.
Background
The coating stirrer is a device capable of stirring powder to prepare coating, and in the process of stirring the powder to prepare the coating by using the coating stirrer in a production workshop, the influence of the powder on the workshop environment is particularly serious, and the physical health of workers is damaged.
The dust collector of the existing coating stirrer does not have a mechanism capable of improving the dust removing effect through a rotary spray head, does not have a mechanism capable of effectively absorbing shock of the whole device, reduces mechanical wear, prolongs the service life, and does not have a structure capable of filtering and then utilizing sprayed dust removing water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current paint mixer's dust collector and not possessing the mechanism that can improve dust removal effect through rotatory nozzle's mode, do not possess moreover and can wholly carry out effective shock attenuation to the device, reduce mechanical wear, improve life's mechanism to do not possess the shortcoming that can carry out the structure that utilizes again after filtering treatment to the dust removal water that sprays, and the dust collector who is used for paint mixer who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dust removal device for a coating stirrer comprises a supporting plate, wherein a dust removal tank is fixedly connected to the top end of the supporting plate, an activated carbon filter screen is fixedly connected to the inner wall of the dust removal tank, the left side of the outer wall of the dust removal tank is connected with a water pump through a water suction pipe, a fixing plate is fixedly connected to the inner wall of the dust removal tank, a dust filter screen is embedded into an inner opening of the fixing plate, a first air suction pump is fixedly connected to the left side of the center line of the top end of the dust removal tank, a second air suction pump positioned at the top end of the dust removal tank is fixedly installed on the other side of the first air suction pump, a driving motor positioned at the top end of the dust removal tank is fixedly connected to the right side of the second air suction pump, an air outlet is connected to the right side of the second air suction pump through an, and a rotating mechanism positioned on the inner wall of the dust removing tank is arranged below the fixed plate.
As a further description of the above technical solution:
damper includes fixed block of fixed connection on backup pad top, and the inner wall both sides of fixed block have all seted up the sliding tray, two the equal sliding connection in inside of sliding tray has the sliding block, and fixedly connected with T type support column between two sliding blocks, the outside movable sleeve of T type support column is equipped with damping spring one, and the top of T type support column installs the damping spring two that is located the fixed block inside.
As a further description of the above technical solution:
the T-shaped supporting columns penetrate through holes formed in the supporting plate to the inside of the fixing block, and the T-shaped supporting columns are movably connected with the supporting plate and the fixing block respectively.
As a further description of the above technical solution:
one end of the first air pump is connected with an air exhaust pipe, the air exhaust pipe is connected with a butt flange, the other end of the first air pump extends to the inner part of the dust removal tank through a gas pipe and is connected with a gas inlet, the diameter of the bottom end face of the cover body is larger than that of the cross section of the dust filter screen, and the top end of the cover body is connected with the second air pump through a gas outlet pipe.
As a further description of the above technical solution:
the rotary mechanism comprises an annular sliding groove formed in the inner wall of the dust removal tank, an annular sliding block is slidably connected to the inside of the annular sliding groove, an outer fixedly connected with movable ring of the annular sliding block, four branch pipes and four fixedly connected with the top of the movable ring around, a connecting piece is fixedly connected between the branch pipes, a bearing is fixedly connected to the inner wall of the connecting piece, a first gear is fixedly connected to the outer portion of the connecting piece, a second gear is meshed with the right side of the first gear, and a spray head is fixedly connected to the bottom of the movable ring around.
As a further description of the above technical solution:
the inner ring of the bearing is fixedly connected with a water pump, the other end of the water pump extends to a water delivery pipe connected with the inside of the dust removal tank, the inside of the connecting piece is communicated with the insides of the four branch pipes, the connecting piece is connected with the water delivery pipe in a sealing mode, the second gear is connected with an output shaft of the driving motor, the output shaft is connected with the fixed plate in a rotating mode, and the four branch pipes penetrate through the movable ring and are connected with the four spray heads respectively.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, under the action of the rotating mechanism, the water pump is started by an external power supply, then the water is conveyed through the water pipe, passes through the inside of the connecting piece and is conveyed to the spray head through the four branch pipes to be sprayed out, and simultaneously the air pump is started, the paint dust generated in the working process of the paint stirrer in the workshop is adsorbed and conveyed to the interior of the dust removal tank, and simultaneously the driving motor is started, the second gear rotates and is transmitted to the first gear to rotate, the connecting piece and the four branch pipes respectively do circular motion on the inner wall of the dust removing tank along with the movable ring, thereby realizing the working procedure of rotary spraying and dust falling of four spray heads, expanding the spraying range of the spray heads, and the dust removal efficiency of dust generated in the processing process of the stirrer is improved, the working environment of a workshop is optimized, and the damage of the dust to the bodies of workers is avoided.
2. The utility model discloses in, under damper's effect, its the device is at the during operation, and mechanical type's shake phenomenon can take place unavoidably, then through its damping spring one, damping spring two, fixed block, sliding tray, sliding block, T type support column set up down, effectively carry out the shock attenuation to the device at the during operation to the effectual noise and the vibrations that have reduced the device and produce when the operation have improved its life.
3. The utility model discloses in, the aspiration pump is two-way to start through external power source, can take out its gas after spraying the dust fall, its gas filters through the dust filter screen, and just discharge from the gas outlet through the internal portion of cover, through this setting, make the dust can reach required emission standard when discharging, prevent that the dust from directly discharging, pollute the atmospheric environment, simultaneously under the effect of active carbon filter screen, can filter the water liquid that sprays the dust fall and use, thereby make the water liquid after the filtration can also carry out reuse, through the setting, make the water liquid can play the effect of reutilization after using and after filtering, avoid the waste of water resource.
Drawings
FIG. 1 is a schematic view of the overall structure of a dust removing device for a paint mixer according to the present invention;
fig. 2 is a schematic view of a partially-overlooked and unfolded structure of the rotating mechanism of the present invention;
FIG. 3 is a schematic view of the top-down expanded structure of the dust removing tank of the present invention;
FIG. 4 is a schematic structural view of the middle damping mechanism of the present invention;
FIG. 5 is a schematic view of the inside expansion structure of the middle connection member of the present invention;
fig. 6 is an enlarged schematic view of the position a of the present invention.
Illustration of the drawings:
1. a support plate; 2. a dust removal tank; 3. an active carbon filter screen; 4. a water pump; 5. a damping mechanism; 501. a fixed block; 502. a sliding groove; 503. a slider; 504. a T-shaped support column; 505. a first damping spring; 506. a second damping spring; 6. a fixing plate; 7. a dust filter screen; 8. a first air suction pump; 9. a second air pump; 10. a drive motor; 11. an air outlet; 12. a cover body; 13. a rotation mechanism; 1301. an annular chute; 1302. an annular slider; 1303. a movable ring; 1304. a branch pipe; 1305. a connecting member; 1306. a bearing; 1307. a first gear; 1308. a second gear; 1309. and (4) a spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, a dust removing device for a paint mixer comprises a support plate 1, a dust removing tank 2, an activated carbon filter screen 3, a water pump 4, a damping mechanism 5, a fixed block 501, a sliding groove 502, a sliding block 503, a T-shaped support pillar 504, a damping spring I505, a damping spring II 506, a fixed plate 6, a dust filter screen 7, an air extracting pump I8, an air extracting pump II 9, a driving motor 10, an air outlet 11, a cover body 12, a rotating mechanism 13, an annular sliding groove 1301, an annular sliding block 1302, a movable ring 1303, a branch pipe 1304, a connecting piece 1305, a bearing 1306, a gear I1307, a gear II 1308 and a spray head 1309, wherein the top end of the support plate 1 is fixedly connected with the dust removing tank 2, a water filling port convenient for water injection is arranged on the left side of the outer wall of the dust removing tank 2, a manual valve is arranged on the water filling port, a water outlet of the dust removing tank is provided with a manual valve which is the prior art, the inner wall of the dust removing tank 2 is fixedly connected with an active carbon filter screen 3, the left side of the outer wall of the dust removing tank 2 is connected with a water pump 4 through a water pumping pipe, the inner wall of the dust removing tank 2 is fixedly connected with a fixing plate 6, a dust filter screen 7 is embedded in an inner opening of the fixing plate 6, the left side of the central line of the top end of the dust removing tank 2 is fixedly connected with an air pump I8, the other side of the air pump I8 is fixedly provided with an air pump II 9 positioned at the top end of the dust removing tank 2, the right side of the air pump II 9 is fixedly connected with a driving motor 10 positioned at the top end of the dust removing tank 2, the right side of the air pump II 9 is connected with an air outlet 11 through an exhaust pipe, the exhaust pipe is fixedly connected at the top end of the dust removing tank 2, a rotating mechanism 13 positioned on the inner wall of the dust removing tank 2 is arranged below the fixed plate 6.
Further, damper 5 includes fixed block 501 of fixed connection on 1 top of backup pad, and sliding tray 502 has all been seted up to fixed block 501's inner wall both sides, the equal sliding connection in inside of two sliding tray 502 has sliding block 503, and fixedly connected with T type support column 504 between two sliding blocks 503, the outside movable sleeve of T type support column 504 is equipped with damping spring 505, and the top of T type support column 504 is installed and is located two 506 of the inside damping spring of fixed block 501, the inner chamber has been seted up to fixed block 501's inside, and the bottom of fixed block 501 has seted up the T type support column 504 male through-hole of being convenient for.
Further, the T-shaped supporting column 504 penetrates through a through hole formed in the supporting plate 1 to the inside of the fixing block 501, and the T-shaped supporting column 504 is movably connected with the supporting plate 1 and the fixing block 501 respectively.
Further, the one end of aspiration pump 8 is connected with the exhaust tube, and be connected with flange on the exhaust tube, the other end of aspiration pump 8 extends to the internal connection of dust removal jar 2 through the gas-supply pipe has the air inlet, the aperture of the bottom face of the cover body 12 is greater than the diameter of dust filter 7 cross section, and the top of the cover body 12 is connected with two 9 of aspiration pump through the outlet duct, flange on the exhaust tube that one 8 of aspiration pump is connected, be convenient for dock the extension to its exhaust tube, the transversal ring column structure of personally submitting of the bottom face of the cover body 12, can cover whole the top face of its dust filter 7.
Further, rotary mechanism 13 is including seting up the annular spout 1301 at 2 inner walls of dust removal tank, and the inside sliding connection of annular spout 1301 has annular slider 1302, the outside fixedly connected with activity ring 1303 of annular slider 1302, and fixedly connected with branch pipe 1304 around the top of activity ring 1303, fixedly connected with connecting piece 1305 between four branch pipes 1304, and the inner wall fixedly connected with bearing 1306 of connecting piece 1305, the outside fixedly connected with gear 1307 of connecting piece 1305, and the right side meshing of gear 1307 is connected with gear two 1308, fixedly connected with shower nozzle 1309 around the bottom of activity ring 1303, four branch pipes 1304 can select for use stainless steel material to make, four through-holes that correspond the intercommunication with branch pipe 1304 respectively are seted up to the inner wall of its connecting piece 1305.
Further, the inner ring of the bearing 1306 is fixedly connected with a water pump 4, the other end of the water pump extends to a water pipe connected with the inside of the dust removing tank 2, the inside of the connecting piece 1305 is communicated with the insides of the four branch pipes 1304, the connecting piece 1305 is connected with the water pipe in a sealing way, the gear II 1308 is connected with the output shaft of the driving motor 10, the output shaft is rotatably connected with the fixed plate 6, the four branch pipes 1304 pass through the movable ring 1303 and are respectively connected with the four nozzles 1309, the bottom end port of the water pipe is communicated with the inside of the connecting piece 1305, the water pipe conveys water liquid to the inside of the connecting piece 1305, is transmitted to the inside of the four branch pipes 1304 through the four through holes, and is finally sprayed from the four spray heads 1309, meanwhile, the water pipe penetrates through the inside of the connecting piece 1305 to be connected with the inner ring of the bearing 1306 fixedly connected with the inner wall of the connecting piece 1305, and the connecting part of the water pipe and the connecting piece 1305 is connected in a rotating and sealing mode.
The working principle is as follows: when the dust removing device is used, a user can start the air suction pump I8 to adsorb coating dust generated in the working process of the coating stirrer in a workshop and convey the coating dust to the inside of the dust removing tank 2, the water pump 4 is started through an external power supply, then the water pump conveys water liquid through the water pipe, passes through the inside of the connecting piece 1305 and conveys the water liquid to the spray heads 1309 through the four branch pipes 1304 to be sprayed, meanwhile, the air suction pump I8 is started to adsorb the coating dust generated in the working process of the coating stirrer in the workshop and conveys the coating dust to the inside of the dust removing tank 2, meanwhile, the driving motor 10 is started, the gear II 1308 rotates and transmits the coating dust to the gear I1307 to rotate, the connecting piece 1305 and the four branch pipes 1304 respectively do circular motion on the inner wall of the dust removing tank 2 along with the movable ring 1303, and the rotary spraying operation process of the four spray heads 1309 is realized, thereby make the scope that shower nozzle 1309 sprayed enlarge, and improved the dust collection efficiency to the dust that its mixer produced in the course of working, and optimized the operational environment in workshop, avoid the harm of dust to the staff's health, aspiration pump two 9 starts through external power supply, can take out its gas after spraying the dust fall, its gas filters through dust filter 7, and discharge from gas outlet 11 through cover body 12 is inside, through this setting, make the dust can reach required emission standard when discharging, prevent that the dust from directly discharging, pollute the atmospheric environment, just so accomplish the theory of operation of the device.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The dust removal device for the coating stirrer comprises a supporting plate (1) and is characterized in that a dust removal tank (2) is fixedly connected to the top end of the supporting plate (1), an activated carbon filter screen (3) is fixedly connected to the inner wall of the dust removal tank (2), a water pump (4) is connected to the left side of the outer wall of the dust removal tank (2) through a water suction pipe, a fixing plate (6) is fixedly connected to the inner wall of the dust removal tank (2), a dust filter screen (7) is embedded into an inner opening of the fixing plate (6), a first air suction pump (8) is fixedly connected to the left side of a top center line of the dust removal tank (2), a second air suction pump (9) located at the top end of the dust removal tank (2) is fixedly installed on the other side of the first air suction pump (8), a driving motor (10) located at the top end of the dust removal tank (2) is fixedly connected to the right side of the second air suction, the top of backup pad (1) all is connected with damper (5) all around with the bottom, the cover body (12) that are located the inside top of dust removal jar (2) are installed on the top of dust filter screen (7), rotary mechanism (13) that are located dust removal jar (2) inner wall are installed to the below of fixed plate (6).
2. The dust removal device for the paint mixer as claimed in claim 1, wherein the damping mechanism (5) comprises a fixed block (501) fixedly connected to the top end of the support plate (1), sliding grooves (502) are formed in two sides of the inner wall of the fixed block (501), sliding blocks (503) are slidably connected to the two inner portions of the sliding grooves (502), a T-shaped support pillar (504) is fixedly connected between the two sliding blocks (503), a damping spring I (505) is movably sleeved on the outer portion of the T-shaped support pillar (504), and a damping spring II (506) located inside the fixed block (501) is installed at the top end of the T-shaped support pillar (504).
3. The dust removing device for the paint mixer as claimed in claim 2, wherein the T-shaped supporting column (504) passes through a through hole formed in the supporting plate (1) to the inside of the fixing block (501), and the T-shaped supporting column (504) is movably connected with the supporting plate (1) and the fixing block (501) respectively.
4. The dust removal device for the paint mixer as claimed in claim 1, wherein one end of the first air suction pump (8) is connected with an air suction pipe, the air suction pipe is connected with a butt flange, the other end of the first air suction pump (8) extends to the interior of the dust removal tank (2) through an air delivery pipe and is connected with an air inlet, the diameter of the bottom end face of the cover body (12) is larger than that of the cross section of the dust filter screen (7), and the top end of the cover body (12) is connected with the second air suction pump (9) through an air outlet pipe.
5. The dust removal device for the paint mixer according to claim 1, wherein the rotating mechanism (13) comprises an annular sliding groove (1301) formed in the inner wall of the dust removal tank (2), an annular sliding block (1302) is connected to the inner portion of the annular sliding groove (1301) in a sliding manner, a movable ring (1303) is fixedly connected to the outer portion of the annular sliding block (1302), branch pipes (1304) are fixedly connected to the periphery of the top end of the movable ring (1303), connecting pieces (1305) are fixedly connected between the four branch pipes (1304), a bearing (1306) is fixedly connected to the inner wall of each connecting piece (1305), a first gear (1307) is fixedly connected to the outer portion of each connecting piece (1305), a second gear (1308) is connected to the right side of each first gear (1307) in a meshing manner, and a spray head (1309) is fixedly connected to the periphery of the bottom end.
6. The dust removing device for the paint mixer according to claim 5, wherein the inner ring of the bearing (1306) is fixedly connected with a water pump (4) and the other end of the water pump extends to a water pipe connected with the inside of the dust removing tank (2), the inside of the connecting piece (1305) is communicated with the inside of the four branch pipes (1304), the connecting piece (1305) is connected with the water pipe in a sealing manner, the second gear (1308) is connected with an output shaft of the driving motor (10), the output shaft is connected with the fixed plate (6) in a rotating manner, and the four branch pipes (1304) penetrate through the movable ring (1303) and are respectively connected with the four spray heads (1309).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020795608.9U CN212237121U (en) | 2020-05-13 | 2020-05-13 | Dust removal device for coating stirrer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020795608.9U CN212237121U (en) | 2020-05-13 | 2020-05-13 | Dust removal device for coating stirrer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212237121U true CN212237121U (en) | 2020-12-29 |
Family
ID=74000134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020795608.9U Expired - Fee Related CN212237121U (en) | 2020-05-13 | 2020-05-13 | Dust removal device for coating stirrer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212237121U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113069871A (en) * | 2021-05-13 | 2021-07-06 | 深圳市辉鹏达科技有限公司 | Plastic processing active carbon adsorption device with dust removal function |
CN113772449A (en) * | 2021-09-13 | 2021-12-10 | 南京澳博工业智能科技研究院有限公司 | Powder metallurgy dust removal device and dust removal process |
CN113859900A (en) * | 2021-09-01 | 2021-12-31 | 南京澳博工业智能科技研究院有限公司 | Dust removal and noise reduction device for powder metallurgy powder preparation |
CN114656829A (en) * | 2022-03-09 | 2022-06-24 | 杜金峰 | Preparation process of lost foam coating |
-
2020
- 2020-05-13 CN CN202020795608.9U patent/CN212237121U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113069871A (en) * | 2021-05-13 | 2021-07-06 | 深圳市辉鹏达科技有限公司 | Plastic processing active carbon adsorption device with dust removal function |
CN113859900A (en) * | 2021-09-01 | 2021-12-31 | 南京澳博工业智能科技研究院有限公司 | Dust removal and noise reduction device for powder metallurgy powder preparation |
CN113859900B (en) * | 2021-09-01 | 2023-08-11 | 南京澳博工业智能科技研究院有限公司 | Dust removal and noise reduction device for powder metallurgy powder preparation |
CN113772449A (en) * | 2021-09-13 | 2021-12-10 | 南京澳博工业智能科技研究院有限公司 | Powder metallurgy dust removal device and dust removal process |
CN114656829A (en) * | 2022-03-09 | 2022-06-24 | 杜金峰 | Preparation process of lost foam coating |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212237121U (en) | Dust removal device for coating stirrer | |
CN106268149A (en) | A kind of gas purifier purifying air | |
CN207076280U (en) | A kind of comminutor flue gas processing device | |
CN117627716A (en) | Underground mining dust fall device | |
CN116966701A (en) | Efficient cleaning and collecting system for industrial fly ash dust | |
CN214019850U (en) | Environmental protection equipment with reduce flue gas dust | |
CN214809514U (en) | Environment-friendly efficient waste gas treatment equipment | |
CN117815834A (en) | Flue gas purifying device | |
CN211245978U (en) | Environment-friendly exhaust gas purification device | |
CN112295323A (en) | Energy-saving environment-friendly desulfurization denitrification demercuration device for power plant | |
CN209828575U (en) | Hydrodynamics is real to be used harmful gas adsorption equipment | |
CN209791654U (en) | Dust removal device of pulverizer | |
CN215276370U (en) | New-type air compressor machine wet dedusting equipment | |
CN109095644A (en) | A kind of urban sewage treating device | |
CN208757219U (en) | A kind of industrial waste gas treatment equipment convenient to use | |
CN209630932U (en) | A kind of multistage purification absorption tower used for formaldehyde production | |
CN209464754U (en) | A kind of exhaust processor | |
CN207654905U (en) | A kind of chemical emission processing unit | |
CN218047304U (en) | Solid waste flue gas denitration device | |
CN215462886U (en) | Waste gas treatment equipment | |
CN219942353U (en) | Spraying tail gas purification device | |
CN216395768U (en) | Furnace gas purification device with environmental protection function | |
CN221471434U (en) | Powder spraying device for flue gas purification | |
CN108543375A (en) | A kind of air purifier that effect is good | |
CN217602699U (en) | Mine blasting dust collector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |