CN215427441U - High-efficient gas-liquid separation collecting device - Google Patents
High-efficient gas-liquid separation collecting device Download PDFInfo
- Publication number
- CN215427441U CN215427441U CN202121896081.XU CN202121896081U CN215427441U CN 215427441 U CN215427441 U CN 215427441U CN 202121896081 U CN202121896081 U CN 202121896081U CN 215427441 U CN215427441 U CN 215427441U
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid
- liquid separation
- pipeline
- 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
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model discloses high-efficiency gas-liquid separation and collection equipment, which comprises a base, wherein a gas-liquid separation tank is fixedly connected to one side of the top of the base, and a gas recycling tank is arranged above the top of the base and positioned on one side of the gas-liquid separation tank; the upper part of the outer wall of the gas-liquid separation tank is fixedly connected with a liquid distributor, and the top of the gas-phase pipeline is fixedly connected with a gas collector; one end of the liquid inlet pipeline of the gas recycling tank is fixedly provided with a recycling liquid distributor; the top of the gas recycling tank is communicated with an ascending pipeline; and the outer wall of one side of the gas-liquid separation tank, which is far away from the liquid distributor, is communicated with a magnetic turning plate liquid level meter. In the technical scheme, the gas is gathered by various means, the concentration of the non-condensable gas is improved, and the accuracy and the timeliness of analysis are improved; the technology is mainly used for separating a small amount of non-condensable gas-containing medium, and the separated medium can be safely discharged under the action of nitrogen.
Description
Technical Field
The utility model relates to the technical field of non-condensable gas aggregation, in particular to high-efficiency gas-liquid separation and collection equipment.
Background
The non-condensable gas can not be liquefied in the condensing device under the conditions of certain temperature and pressure. Common non-condensable gases are nitrogen, methane, carbon monoxide, hydrogen and other alkanes.
In the currently adopted technology, the gathering of the non-condensable gas cannot be realized, so that the detection and analysis of the non-condensable gas are delayed, and the ignition and explosion accidents are influenced.
The monitoring of the operation of the process burner on the coal gasification device is just the technology, but the prior art does not have a gas gathering facility, and can not be found in the first time when the operation equipment goes wrong, and the fluctuation of the non-condensable gas is large when the original detection and analysis equipment samples, so that the detection and analysis are unstable, and the accuracy and the effectiveness are not high. Therefore, the efficient gas-liquid separation and collection equipment is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that in the prior art, the non-condensable gas cannot be accumulated, so that the detection and analysis of the non-condensable gas are delayed, and the fire and explosion accidents are influenced.
The monitoring of the operation of the process burner on the coal gasification device is just the technology, but the prior art has no gas gathering facility, and can not be found in the first time when the operation equipment has problems, and the fluctuation of the non-condensable gas is large when the original detection and analysis equipment samples, so that the detection and analysis are unstable, and the accuracy and the effectiveness are not high.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the efficient gas-liquid separation and collection equipment comprises a base, wherein a gas-liquid separation tank is fixedly connected to one side of the top of the base, a gas recycling tank is arranged above the top of the base and positioned on one side of the gas-liquid separation tank, supporting legs are fixedly connected to four corners of the bottom of the gas recycling tank, and the bottoms of the supporting legs are fixedly connected with the top of the base;
the upper part of the outer wall of the gas-liquid separation tank is fixedly connected with a liquid distributor, one end of the liquid distributor is fixedly provided with a medium inlet pipeline, the outer wall of the gas-liquid separation tank is positioned above the liquid distributor and is communicated with a low-pressure nitrogen inlet pipeline, one side of the top of the gas-liquid separation tank is communicated with a gas phase pipeline, a gas phase pipeline discharge port is arranged at an opening at the top of the gas phase pipeline, the top of the gas phase pipeline is fixedly connected with a gas collector, and the gas phase pipeline discharge port is communicated with an inner cavity of the gas collector;
the outer wall of the gas recycling tank is communicated with a liquid inlet pipeline of the gas recycling tank, one end of the liquid inlet pipeline of the gas recycling tank is fixedly provided with a recycling liquid distributor, one end of the recycling liquid distributor is communicated with a gas-liquid separator discharge pipeline, and one end of the gas-liquid separator discharge pipeline, which is far away from the recycling liquid distributor, is communicated with the bottom of the gas-liquid separation tank;
the top of the gas recycling tank is communicated with an ascending pipeline, and one end of the ascending pipeline is communicated with the side wall of the gas phase pipeline;
and the outer wall of one side of the gas-liquid separation tank, which is far away from the liquid distributor, is communicated with a magnetic turning plate liquid level meter.
Preferably, the inner cavity of the gas phase pipeline is fixedly provided with a gas collector, and the inner wall of the gas collector is circumferentially and fixedly provided with a plurality of swirl fins.
Preferably, the swirl fins are inclined.
Preferably, a first necking part is formed below the gas collector in the inner cavity of the gas phase pipeline, and a second necking part is formed above the gas collector in the inner cavity of the gas phase pipeline.
Preferably, the first necking part and the second necking part are both conical tubes with small upper end openings and large lower end openings.
Preferably, a first cross-shaped partition plate is fixedly installed in an inner cavity at one end of the liquid distributor, and a second cross-shaped partition plate is fixedly installed at one end of an inner cavity of the recycling liquid distributor.
Compared with the prior art, the utility model has the beneficial effects that:
in the technical scheme, liquid containing non-condensable gas enters a gas-liquid separation tank through a medium inlet pipeline, the liquid and the non-condensable gas are separated in the gas-liquid separation tank, and the liquid enters a gas recycling tank through a gas-liquid separator discharge pipeline; injecting low-pressure nitrogen into the gas-liquid separation tank through a low-pressure nitrogen inlet pipe, and allowing the separated gas to be carried by the low-pressure nitrogen and continuously rise to enter a gas phase pipeline; firstly, the gas is primarily gathered under the action of the first necking part, so that the concentration of the analysis gas is improved; the gas continuously rises in the gas phase pipeline and passes through the gas collector, so that the existing gas is more concentrated, a rotating and rising gas flow is formed, the second necking part is arranged at the top of the gas collector, the gas is further concentrated, the gas is gathered, the concentration of non-condensable gas is improved, and the gas enters the analysis instrument under the action of the gas collector when continuously rising to the position of the gas phase pipeline discharge port, so that the analysis accuracy and timeliness are improved, and the problem of large sampling fluctuation is also reduced;
two, among this technical scheme, the liquid that enters into the gas recovery jar again carries out noncondensable gas and the reseparation of liquid, the liquid after the separation passes through gas recovery jar discharge line exhaust apparatus again, noncondensable gas after the analysis enters into the gas phase pipeline of gas-liquid separation jar along the ascending pipeline, the exhaust apparatus is kept apart to the baffle that liquid passes through in the gas recovery jar again, this technique mainly used contains the medium of noncondensable gas and carries out micro-separation, the medium after the separation can discharge safely under the effect of nitrogen gas.
Drawings
FIG. 1 is a schematic structural diagram of an efficient gas-liquid separation and collection apparatus provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic perspective view of a gas collector of an efficient gas-liquid separation and collection apparatus according to the present invention;
FIG. 4 is a schematic perspective view of a gas collector of an efficient gas-liquid separation and collection apparatus according to the present invention;
FIG. 5 is a schematic perspective view of a liquid distributor of an efficient gas-liquid separation and collection apparatus according to the present invention;
fig. 6 is a schematic perspective view of a recycled liquid distributor of an efficient gas-liquid separation and collection apparatus according to the present invention.
In the figure: 1. a base; 2. a gas-liquid separation tank; 3. a medium inlet line; 4. a liquid distributor; 41. a first cross partition; 5. a low pressure nitrogen inlet line; 6. a gas phase line; 7. a gas phase pipeline discharge port; 8. a first necked-down portion; 9. a second necked-down portion; 10. a gas collector; 101. swirl fins; 11. a gas collector; 12. a magnetic flap level gauge; 13. a gas recovery tank; 14. a gas recovery tank liquid inlet pipeline; 15. then recovering the liquid distributor; 151. a second cross-shaped partition plate; 16. a gas-liquid separator discharge line; 17. an ascending pipe; 18. a baffle plate; 19. a gas recycle tank discharge line; 20. and (7) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-6, the efficient gas-liquid separation and collection device comprises a base 1, wherein a gas-liquid separation tank 2 is fixedly connected to one side of the top of the base 1, a gas recycling tank 13 is arranged above the top of the base 1 and located on one side of the gas-liquid separation tank 2, four corners of the bottom of the gas recycling tank 13 are fixedly connected with supporting legs 20, and the bottoms of the supporting legs 20 are fixedly connected with the top of the base 1;
the upper part of the outer wall of the gas-liquid separation tank 2 is fixedly connected with a liquid distributor 4, one end of the liquid distributor 4 is fixedly provided with a medium inlet pipeline 3, the outer wall of the gas-liquid separation tank 2 is positioned above the liquid distributor 4 and is communicated with a low-pressure nitrogen inlet pipeline 5, one side of the top of the gas-liquid separation tank 2 is communicated with a gas phase pipeline 6, a gas phase pipeline discharge port 7 is arranged at the opening at the top of the gas phase pipeline 6, the top of the gas phase pipeline 6 is fixedly connected with a gas collector 11, and the gas phase pipeline discharge port 7 is communicated with the inner cavity of the gas collector 11;
wherein, the outer wall of the gas recycling tank 13 is communicated with a gas recycling tank liquid inlet pipeline 14, one end of the gas recycling tank liquid inlet pipeline 14 is fixedly provided with a recycling liquid distributor 15, one end of the recycling liquid distributor 15 is communicated with a gas-liquid separator discharge pipeline 16, and one end of the gas-liquid separator discharge pipeline 16 far away from the recycling liquid distributor 15 is communicated with the bottom of the gas-liquid separation tank 2;
wherein, the top of the gas recycling tank 13 is communicated with an ascending pipeline 17, and one end of the ascending pipeline 17 is communicated with the side wall of the gas phase pipeline 6;
wherein, the outer wall of one side of the gas-liquid separation tank 2 far away from the liquid distributor 4 is communicated with a magnetic flap liquid level meter 12.
Example two
Referring to fig. 1 to 6, the present invention provides a new technical solution: a high-efficiency gas-liquid separation and collection device comprises a base 1, wherein a gas-liquid separation tank 2 is fixedly connected to one side of the top of the base 1, a gas recycling tank 13 is arranged above the top of the base 1 and positioned on one side of the gas-liquid separation tank 2, four corners of the bottom of the gas recycling tank 13 are fixedly connected with supporting legs 20, and the bottoms of the supporting legs 20 are fixedly connected with the top of the base 1; the upper part of the outer wall of the gas-liquid separation tank 2 is fixedly connected with a liquid distributor 4, one end of the liquid distributor 4 is fixedly provided with a medium inlet pipeline 3, the outer wall of the gas-liquid separation tank 2 is positioned above the liquid distributor 4 and is communicated with a low-pressure nitrogen inlet pipeline 5, one side of the top of the gas-liquid separation tank 2 is communicated with a gas phase pipeline 6, a gas phase pipeline discharge port 7 is arranged at the opening at the top of the gas phase pipeline 6, the top of the gas phase pipeline 6 is fixedly connected with a gas collector 11, and the gas phase pipeline discharge port 7 is communicated with the inner cavity of the gas collector 11; wherein, one end of the gas collector 11 far away from the gas phase pipeline discharge port 7 is connected with an analysis meter; wherein, the outer wall of the gas recycling tank 13 is communicated with a gas recycling tank liquid inlet pipeline 14, one end of the gas recycling tank liquid inlet pipeline 14 is fixedly provided with a recycling liquid distributor 15, one end of the recycling liquid distributor 15 is communicated with a gas-liquid separator discharge pipeline 16, and one end of the gas-liquid separator discharge pipeline 16 far away from the recycling liquid distributor 15 is communicated with the bottom of the gas-liquid separation tank 2; wherein, the top of the gas recycling tank 13 is communicated with an ascending pipeline 17, and one end of the ascending pipeline 17 is communicated with the side wall of the gas phase pipeline 6; the outer wall of one side of the gas-liquid separation tank 2, which is far away from the liquid distributor 4, is communicated with a magnetic flap liquid level meter 12, liquid containing non-condensable gas enters the gas-liquid separation tank 2 through a medium inlet pipeline 3, the liquid and the non-condensable gas are separated in the gas-liquid separation tank 2, and the liquid enters a gas recycling tank 13 through a gas-liquid separator discharge pipeline 16; low-pressure nitrogen is filled into the gas-liquid separation tank 2 through a low-pressure nitrogen inlet pipeline 5, and the separated gas is carried by the low-pressure nitrogen to continuously rise and enter a gas phase pipeline 6; firstly, the gas is primarily gathered under the action of the first necking part 8, so that the concentration of the analysis gas is improved; the gas continuously rises in the gas phase pipeline 6 and passes through the gas collector 10, so that the existing gas is more concentrated and forms a rotating and rising gas flow, and the top of the gas collector 10 is provided with a second necking part 9, so that the gas is further concentrated; when the gas continuously rises to the position of the gas phase pipeline discharge port 7, the gas enters the analysis instrument under the action of the gas collector 11, the liquid entering the gas recycling tank 13 is subjected to re-separation of non-condensable gas and liquid, the separated liquid is discharged out of the equipment through a gas recycling tank discharge pipeline 19, the analyzed non-condensable gas enters the gas phase pipeline 6 of the gas-liquid separation tank 2 along an ascending pipeline 17, the liquid is isolated from the equipment through a baffle plate 18 in the gas recycling tank 13 to prevent the excessive potential difference and the excessive flow velocity from sucking the non-condensable gas into the gas recycling tank discharge pipeline 19, and the magnetic turning plate liquid level meter 12 is used for observing the liquid level in the gas-liquid separation tank 2; the inner cavity of the gas phase pipeline 6 is fixedly provided with a gas collector 10, the inner wall of the gas collector 10 is circumferentially and fixedly provided with a plurality of swirl fins 101, when gas in the gas phase pipeline 6 flows through the gas collector 10, the gas flows in an accelerated manner under the action of swirl, and meanwhile, the gas rotates to move, so that trace gas carried in the gas is thrown to the rising pipe wall of the gas and enters the gas-liquid separation tank 2 along the pipe wall; the swirl fins 101 are inclined, so that the airflow can form a swirl conveniently; the inner cavity of the gas-phase pipeline 6 is positioned below the gas collector 10 and is formed with a first necking part 8, the inner cavity of the gas-phase pipeline 6 is positioned above the gas collector 10 and is formed with a second necking part 9, gas is primarily gathered under the action of the first necking part 8, so that the concentration of the analyzed gas is improved, the flow rate of the swirling gas is further accelerated after the swirling gas is necked by the second necking part 9, the gas is more easily confined in the gas riser and more easily enters the gas collector 11 at the upper part, the accuracy and the timeliness of gas analysis are greatly improved through the necking action of the swirling fin 101 and the second necking part 9, and the occurrence of firing explosion accidents can be effectively avoided; the first necking part 8 and the second necking part 9 are both conical tubes with small openings at the upper ends and large openings at the lower ends, so that the airflow can be concentrated and gathered conveniently; the one end inner chamber fixed mounting of liquid distributor 4 has first cross baffle 41, the inner chamber one end fixed mounting who retrieves liquid distributor 15 again has second cross baffle 151, set up first cross baffle 41 and second cross baffle 151 at liquid distributor 4 and the head of retrieving liquid distributor 15 again, with this carry out redistribution with liquid, liquid through redistribution is inside at gas-liquid separation jar 2 and gaseous recovery jar 13 analysis more easily again, gas after the analysis enters into in the gas phase pipeline 6 under the effect that low pressure nitrogen gas carried.
The working principle is as follows: the liquid containing the non-condensable gas enters the gas-liquid separation tank 2 through the medium inlet pipeline 3, the liquid and the non-condensable gas are separated in the gas-liquid separation tank 2, and the liquid enters the gas recycling tank 13 through the gas-liquid separator discharge pipeline 16; low-pressure nitrogen is filled into the gas-liquid separation tank 2 through a low-pressure nitrogen inlet pipeline 5, and the separated gas is carried by the low-pressure nitrogen to continuously rise and enter a gas phase pipeline 6; firstly, the gas is primarily gathered under the action of the first necking part 8, so that the concentration of the analysis gas is improved; the gas continuously rises in the gas phase pipeline 6 and passes through the gas collector 10, so that the existing gas is more concentrated and forms a rotating and rising gas flow, and the top of the gas collector 10 is provided with a second necking part 9, so that the gas is further concentrated; when the gas continuously rises to the position of the gas phase pipeline discharge opening 7, the gas enters the analysis meter under the action of the gas collector 11;
the liquid that enters into gas recovery jar 13 again separates with the recondensable gas of liquid, and the liquid after the separation passes through gas recovery jar discharge line 19 discharge apparatus again, and the noncondensable gas after the analysis enters into gas phase pipeline 6 of gas-liquid separation jar 2 along rising pipeline 17, and the discharge apparatus is kept apart to baffle 18 in the liquid passes through the gas recovery jar 13 again for prevent that the head is too big, and the velocity of flow is too fast with noncondensable gas absorption to gas recovery jar discharge line 19 again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The efficient gas-liquid separation and collection equipment comprises a base (1) and is characterized in that a gas-liquid separation tank (2) is fixedly connected to one side of the top of the base (1), a gas recycling tank (13) is arranged above the top of the base (1) and located on one side of the gas-liquid separation tank (2), supporting legs (20) are fixedly connected to four corners of the bottom of the gas recycling tank (13), and the bottoms of the supporting legs (20) are fixedly connected with the top of the base (1);
the device comprises a gas-liquid separation tank (2), a liquid distributor (4) and a low-pressure nitrogen inlet pipeline (5), wherein the upper part of the outer wall of the gas-liquid separation tank (2) is fixedly connected with the liquid distributor (4), one end of the liquid distributor (4) is fixedly provided with a medium inlet pipeline (3), the outer wall of the gas-liquid separation tank (2) is positioned above the liquid distributor (4) and is communicated with the low-pressure nitrogen inlet pipeline (5), one side of the top of the gas-liquid separation tank (2) is communicated with a gas-phase pipeline (6), a gas-phase pipeline discharge port (7) is arranged at the opening at the top of the gas-phase pipeline (6), the top of the gas-phase pipeline (6) is fixedly connected with a gas collector (11), and the gas-phase pipeline discharge port (7) is communicated with the inner cavity of the gas collector (11);
the outer wall of the gas recycling tank (13) is communicated with a gas recycling tank liquid inlet pipeline (14), one end of the gas recycling tank liquid inlet pipeline (14) is fixedly provided with a recycling liquid distributor (15), one end of the recycling liquid distributor (15) is communicated with a gas-liquid separator discharge pipeline (16), and one end, away from the recycling liquid distributor (15), of the gas-liquid separator discharge pipeline (16) is communicated with the bottom of the gas-liquid separation tank (2);
the top of the gas recycling tank (13) is communicated with an ascending pipeline (17), and one end of the ascending pipeline (17) is communicated with the side wall of the gas phase pipeline (6);
the outer wall of one side of the gas-liquid separation tank (2) far away from the liquid distributor (4) is communicated with a magnetic flap liquid level meter (12).
2. The efficient gas-liquid separation and collection equipment according to claim 1, wherein the gas collector (10) is fixedly installed in the inner cavity of the gas phase pipeline (6), and a plurality of swirl fins (101) are fixedly installed on the inner wall of the gas collector (10) in a circumferential mode.
3. The high efficiency gas-liquid separation collecting apparatus according to claim 2, wherein said swirl fins (101) are inclined.
4. The high-efficiency gas-liquid separation and collection device according to claim 2, wherein the inner cavity of the gas phase pipeline (6) is formed with a first necking part (8) below the gas collector (10), and the inner cavity of the gas phase pipeline (6) is formed with a second necking part (9) above the gas collector (10).
5. The high-efficiency gas-liquid separation and collection device according to claim 4, wherein the first necking part (8) and the second necking part (9) are conical pipes with small upper openings and large lower openings.
6. The efficient gas-liquid separation and collection device according to claim 1, wherein a first cross partition plate (41) is fixedly installed in an inner cavity at one end of the liquid distributor (4), and a second cross partition plate (151) is fixedly installed at one end of an inner cavity of the recycling liquid distributor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896081.XU CN215427441U (en) | 2021-08-13 | 2021-08-13 | High-efficient gas-liquid separation collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896081.XU CN215427441U (en) | 2021-08-13 | 2021-08-13 | High-efficient gas-liquid separation collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215427441U true CN215427441U (en) | 2022-01-07 |
Family
ID=79693991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121896081.XU Expired - Fee Related CN215427441U (en) | 2021-08-13 | 2021-08-13 | High-efficient gas-liquid separation collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215427441U (en) |
-
2021
- 2021-08-13 CN CN202121896081.XU patent/CN215427441U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9844742B2 (en) | Device for liquid degassing | |
| CN203816363U (en) | Steam-liquid separator for recovering printing organic waste gases | |
| CN215427441U (en) | High-efficient gas-liquid separation collecting device | |
| CN209548775U (en) | A kind of multicyclone depassing unit | |
| CN201164765Y (en) | Wave type gas-liquid separation tank | |
| CN211400403U (en) | Gas-liquid separator | |
| CN204981788U (en) | Multistage tar device that removes | |
| CN203971583U (en) | A kind of Despumation device of acetate production use | |
| CN201460859U (en) | Oil-gas separation tube | |
| CN203108420U (en) | Skid-mounted ammonia liquor regeneration tower capable of being disassembled and assembled repeatedly | |
| CN203944228U (en) | A kind of free oil retracting device | |
| CN203220843U (en) | Separating device for separating gas insoluble in water from water vapor | |
| CN2820271Y (en) | Multistage gas/liquid separator | |
| CN205643262U (en) | Gas -liquid separation sampling device | |
| CN211487097U (en) | Debenzolization tower | |
| CN215865985U (en) | Portable natural gas sampler for oil-gas mixed transportation pipeline | |
| CN112697536A (en) | Operation method of fixed pollution source waste gas mercury sampling system | |
| CN113655172A (en) | Test system and method for producing hydrogen by metal aluminum-water reaction | |
| CN217829236U (en) | Combined type gas-liquid separator | |
| CN109550318B (en) | Gas-liquid separator and separation method thereof | |
| CN201921549U (en) | Vertical gas-liquid separator | |
| CN115382339B (en) | Ultrasonic carbon capture energy recovery device and system for industrial hydrogen production | |
| CN210356338U (en) | Hydrogen peroxide solution oxidation tail gas aromatic separation recovery unit | |
| CN110373216A (en) | A kind of gas-liquid separator and apparatus for thermal cleavage | |
| CN208577667U (en) | A kind of associated gas condensate recovery device |
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: 20220107 |