CN215048705U - Preheating device for producing potassium carbonate by using boiler flue gas - Google Patents
Preheating device for producing potassium carbonate by using boiler flue gas Download PDFInfo
- Publication number
- CN215048705U CN215048705U CN202120902120.6U CN202120902120U CN215048705U CN 215048705 U CN215048705 U CN 215048705U CN 202120902120 U CN202120902120 U CN 202120902120U CN 215048705 U CN215048705 U CN 215048705U
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- Prior art keywords
- pipe
- fixedly connected
- preheating device
- preheating
- outer side
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- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 title claims abstract description 50
- 229910000027 potassium carbonate Inorganic materials 0.000 title claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 30
- 238000004321 preservation Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 12
- 239000001569 carbon dioxide Substances 0.000 abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 235000011181 potassium carbonates Nutrition 0.000 description 15
- 239000012670 alkaline solution Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- DERZBLKQOCDDDZ-JLHYYAGUSA-N cinnarizine Chemical compound C1CN(C(C=2C=CC=CC=2)C=2C=CC=CC=2)CCN1C\C=C\C1=CC=CC=C1 DERZBLKQOCDDDZ-JLHYYAGUSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of potassium carbonate production, in particular to a preheating device for producing potassium carbonate by boiler flue gas, which comprises a main body and a collecting box, wherein the outer side of the main body is slidably connected with a preheating pipe, the right end of the preheating pipe is communicated with a filter box, the left end of the outer side of the preheating pipe is fixedly connected with a bottle cap, the outer side of the preheating pipe is provided with a heat-insulating cover, the top end of the outer side of the heat-insulating cover is communicated with a fixed box through a connecting pipe, and the inner side of the fixed box is slidably connected with a sliding plate. Meanwhile, the reaction efficiency of the atomized potassium hydroxide and the carbon dioxide gas is improved.
Description
Technical Field
The utility model relates to a potassium carbonate production technical field specifically is a boiler flue gas production preheating device for potassium carbonate.
Background
The potassium carbonate is white crystalline powder, the density is 2.428g/cm3, the melting point is 891 ℃, the potassium carbonate is decomposed at the boiling point, the relative molecular weight is 138.21, the potassium carbonate is soluble in water, the aqueous solution is alkaline and insoluble in ethanol, acetone and ether, the hygroscopicity is strong, the carbon dioxide and the moisture can be absorbed by being exposed in the air and are converted into the potassium bicarbonate, the potassium carbonate is sealed and packaged, the hydrate comprises a monohydrate, a dihydrate and a trihydrate, the aqueous solution of the potassium carbonate is alkaline and insoluble in ethanol and ether, the production method of the potassium carbonate comprises a plant ash method, a labyrin method, an electrolysis method, an ion exchange method and the like, the electrolysis method and the ion exchange method are commonly used, along with the continuous development of the society, more and more equipment are used for the production of the potassium carbonate, but when a preheating device used for producing the potassium carbonate by boiler flue gas is used, the utilization rate of heat energy is not very high, and a large amount of heat energy loss occurs in the preheating process, thereby the reaction efficiency of atomizing potassium hydroxide and carbon dioxide gas has been reduced, when just in addition getting rid of impurity in the flue gas through alkaline solution, can not be fine carry out automatic the change to alkaline solution to it is not very convenient to make the device use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler flue gas production preheating device for potassium carbonate to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a preheating device for producing potassium carbonate by using boiler flue gas comprises a main body and a collecting box, wherein a preheating pipe is connected to the outer side of the main body in a sliding manner, a filter box is communicated with the right end of the preheating pipe, a bottle cap is fixedly connected to the left end of the outer side of the preheating pipe, a heat-insulating cover is arranged on the outer side of the preheating pipe, a fixed box is communicated with the top end of the outer side of the heat-insulating cover through a connecting pipe, a sliding plate is connected to the inner side of the fixed box in a sliding manner, a spring is fixedly connected to the outer side of the sliding plate, the other end of the spring is fixedly connected with the fixed box, a control switch is fixedly connected to one end, far away from the heat-insulating cover, of the inner side of the fixed box, a fixed pipe is communicated with the bottom end of the outer side of the heat-insulating cover, an electric control valve is fixedly connected to the inner side of the fixed pipe, an absorption bottle is spirally connected to the bottom end of the inner side of the bottle cap, a liquid inlet pipe is communicated with the left end of the absorption bottle, an adapter pipe is communicated with the main body, the inner side of the switching tube is fixedly connected with an electric control valve.
Preferably, there are 2 heat preservation covers, and the heat preservation cover symmetry sets up in the preheater tube outside, the heat preservation cover is the cavity form and sets up.
Preferably, both ends are all fixedly connected with connecting block about the heat preservation cover, and the front end the inboard screwed connection of connecting block has the screw thread axle, and the screw thread axle is connected with the connecting block screwed connection of rear end.
Preferably, the front end the heat preservation cover rear end and the heat preservation cover front end of rear end all fixedly connected with sealed the pad, and sealed pad and main part sliding connection, sealed the pad and made by the panel of rubber material.
Preferably, the inner side of the liquid inlet pipe is provided with a flow valve, and the flow valve is fixedly connected with the liquid inlet pipe.
Preferably, the absorption bottle is in threaded connection with the collection box, the bottom end of the inner side of the collection box is fixedly connected with an electric telescopic rod, the top end of the electric telescopic rod is fixedly connected with a piston plate, the piston plate is in sliding connection with the collection box, the center of the bottom end of the absorption bottle is communicated with a conveying pipe, the one-way valve is fixedly connected with the inner side of the conveying pipe, the top end of the right side of the collection box is communicated with a liquid discharge pipe, and the electric control valve is fixedly connected with the inner side of the liquid discharge pipe.
Preferably, the bottom end of the outer side of the absorption bottle and the top end of the outer side of the absorption bottle are fixedly connected with gaskets, the gaskets at the top ends are in sliding connection with the bottle cap, the gaskets at the bottom ends are in sliding connection with the collection box, and the gaskets are made of rubber plates.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the arranged heat preservation cover, the control switch and the sliding plate, the arrangement is matched with the heat preservation cover to preserve heat of the preheating pipe, the communication between the heat preservation cover and the fixed pipe and the fixed box, the fixed connection between the fixed box and the control switch and the elasticity of the spring to the sliding plate, when the device is used, the preheating pipe can be preserved and protected, thereby avoiding the phenomenon of large loss of heat energy, improving the utilization rate of the heat energy and simultaneously improving the reaction efficiency of atomized potassium hydroxide and carbon dioxide gas;
2. the utility model discloses in, through piston plate, collecting box and the absorption bottle that sets up, this kind sets up the intercommunication of the fixed connection of cooperation electric telescopic handle and piston plate, collecting box and the screwed connection of absorption bottle, collecting box and fluid-discharge tube and the intercommunication of absorption bottle and feed liquor pipe and conveyer pipe, during the use device, has realized the automatic change of alkaline solution, and easy operation is convenient to the use of device has been made things convenient for.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the heat-insulating cover of the present invention;
FIG. 3 is a schematic cross-sectional view of the fixing box of the present invention;
FIG. 4 is a schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 5 is a schematic structural diagram of the point B in fig. 1 according to the present invention.
In the figure: 1-main part, 2-preheating pipe, 3-filter box, 4-bottle cap, 5-heat preservation cover, 6-connecting block, 7-threaded shaft, 8-sealing gasket, 9-fixing box, 10-sliding plate, 11-spring, 12-control switch, 13-fixing pipe, 14-absorption bottle, 15-liquid inlet pipe, 16-flow valve, 17-switching pipe, 18-collecting box, 19-electric telescopic rod, 20-piston plate, 21-conveying pipe, 22-liquid discharge pipe and 23-gasket.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a preheating device for producing potassium carbonate by boiler flue gas comprises a main body 1 and a collecting box 18, wherein the outer side of the main body 1 is connected with a preheating pipe 2 in a sliding manner, the right end of the preheating pipe 2 is communicated with a filter box 3, the left end of the outer side of the preheating pipe 2 is fixedly connected with a bottle cap 4, the outer side of the preheating pipe 2 is provided with a heat-insulating cover 5, the top end of the outer side of the heat-insulating cover 5 is communicated with a fixed box 9 through a connecting pipe, the inner side of the fixed box 9 is connected with a sliding plate 10 in a sliding manner, the outer side of the sliding plate 10 is fixedly connected with a spring 11, the other end of the spring 11 is fixedly connected with the fixed box 9, one end of the inner side of the fixed box 9, which is far away from the heat-insulating cover 5, the bottom end of the outer side of the heat-insulating cover 5 is communicated with a fixed pipe 13, the inner side of the fixed pipe 13 is fixedly connected with an electric control valve, the bottom end of the inner side of the bottle cap 4 is spirally connected with an absorption bottle 14, the left end of the absorption bottle 14 is communicated with a liquid inlet pipe 15, the top end of the right side of the absorption bottle 14 is communicated with a transfer pipe 17, and the other end of the adapter tube 17 is communicated with the main body 1, and the inner side of the adapter tube 17 is fixedly connected with an electric control valve.
The number of the heat preservation covers 5 is 2, the heat preservation covers 5 are symmetrically arranged on the outer side of the preheating pipe 2, the heat preservation covers 5 are arranged in a hollow shape, vacuumizing treatment can be conveniently carried out on the heat preservation covers 5, so that the heat preservation effect of the preheating pipe 2 is better, the upper end and the lower end of each heat preservation cover 5 are fixedly connected with the connecting blocks 6, the inner sides of the connecting blocks 6 at the front ends are spirally connected with the threaded shafts 7, the threaded shafts 7 are spirally connected with the connecting blocks 6 at the rear ends, the arrangement facilitates installation of the heat preservation covers 5, the rear ends of the heat preservation covers 5 at the front ends and the front ends of the heat preservation covers 5 at the rear ends are fixedly connected with the sealing gaskets 8, the sealing gaskets 8 are connected with the main body 1 in a sliding mode, the sealing gaskets 8 are made of rubber plates, the arrangement ensures stability and tightness of the heat preservation covers 5 after installation, the inner sides of the liquid inlet pipes 15 are provided with the flow valves 16, the flow valves 16 are fixedly connected with the liquid inlet pipes 15, the arrangement facilitates quantitative addition of alkaline solution, the absorption bottle 14 is spirally connected with a collection box 18, the bottom end of the inner side of the collection box 18 is fixedly connected with an electric telescopic rod 19, the top end of the electric telescopic rod 19 is fixedly connected with a piston plate 20, and the piston plate 20 is connected with the collecting box 18 in a sliding way, the central position of the bottom end of the absorption bottle 14 is communicated with a conveying pipe 21, and the inner side of the delivery pipe 21 is fixedly connected with a one-way valve, the top end of the right side of the collection box 18 is communicated with a liquid discharge pipe 22, and the inner side of the liquid discharge pipe 22 is fixedly connected with an electric control valve, the arrangement realizes the automatic replacement of the alkaline solution, the operation is simple and convenient, thereby facilitating the use of the device, the bottom end outside the absorption bottle 14 and the top end outside the absorption bottle 14 are both fixedly connected with gaskets 23, and the gasket 23 at the top end is in sliding connection with the bottle cap 4, the gasket 23 at the bottom end is in sliding connection with the collecting box 18, and the gasket 23 is made of a rubber plate, so that the tightness of the connection of the absorption bottle 14 with the bottle cap 4 and the collecting box 18 is ensured.
The working process is as follows: all electrical appliances in the device are external power supplies, when the device is used, the heat-insulating cover 5 is clamped on the outer side of the preheating pipe 2 on the outer side of the main body 1 and then is positioned through the threaded shaft 7 and the connecting block 6, because the outer side of the heat-insulating cover 5 is fixed with the sealing gasket 8 made of rubber materials, the stability and the sealing performance of the connected heat-insulating cover 5 are better, then the electric control valve in the fixed pipe 13 is opened, the heat-insulating cover 5 is vacuumized through the fixed pipe 13, at the moment, the sliding plate 10 can continuously compress the spring 11, when the sliding plate 10 triggers the control switch 12, the electric control valve in the fixed pipe 13 is closed under the control of an external control mechanism, at the moment, the vacuumization of the heat-insulating cover 5 is completed, after the operations are completed, smoke is pumped into the filter box 3 through the connecting pipe at the bottom end of the filter box 3 to filter impurities, and is conveyed through the preheating pipe 2 after the filtration is completed, thereby preheat main part 1, because the heat preservation cover 5 after the preheating pipe 2 outside is equipped with the evacuation, the phenomenon of the massive loss of heat can not appear, the gas after preheating can pump in then carries out the absorption of gaseous impurity through alkaline solution in absorption bottle 14, thereby make the carbon dioxide gas in the flue gas rise to discharge in main part 1 through adapter tube 17, when being heated to the suitable degree of temperature in main part 1, let in the inside top of main part 1 atomizing potassium hydroxide, carbon dioxide gas can be constantly upwards with the continuous downward potassium hydroxide after atomizing, thereby the quick reaction produces potassium carbonate, because the alkaline solution of absorption gaseous impurity has used for a long time the absorption effect can worsen, so will change it regularly, electric telescopic rod 19 drives piston board 20 downward movement fixed distance earlier during the change, alkaline solution after the reaction can get into collection box 18 through conveyer pipe 21 that has the check valve at this moment, then when the supplement amount of the alkaline solution is set, the alkaline solution is pumped into the absorption bottle 14 through the liquid inlet pipe 15 under the control of the flow valve 16, the device is continuously used after the alkaline solution is pumped, when the used alkaline solution cannot be continuously stored in the collection box 18, a valve in the liquid discharge pipe 22 is opened, then the electric telescopic rod 19 is controlled to continuously drive the piston plate 20 to extend out, and the used alkaline solution is discharged through the liquid discharge pipe 22 and collected in a centralized mode.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a boiler flue gas production preheating device for potassium carbonate, includes main part (1) and collecting box (18), its characterized in that: the preheating device is characterized in that a preheating pipe (2) is connected to the outer side of the main body (1) in a sliding manner, the right end of the preheating pipe (2) is communicated with a filter box (3), a bottle cap (4) is fixedly connected to the left end of the outer side of the preheating pipe (2), a heat-insulating cover (5) is arranged on the outer side of the preheating pipe (2), the top end of the outer side of the heat-insulating cover (5) is communicated with a fixed box (9) through a connecting pipe, a sliding plate (10) is connected to the inner side of the fixed box (9) in a sliding manner, a spring (11) is fixedly connected to the outer side of the sliding plate (10), the other end of the spring (11) is fixedly connected with the fixed box (9), a control switch (12) is fixedly connected to one end, far away from the heat-insulating cover (5), of the inner side of the fixed box (9) is communicated with a fixed pipe (13), an electric control valve is fixedly connected to the inner side of the fixed pipe (13), and an absorption bottle (14) is spirally connected to the bottom end of the inner side of the bottle cap (4), the absorption bottle (14) left end intercommunication has feed liquor pipe (15), absorption bottle (14) right side top intercommunication has switching pipe (17), and the other end and main part (1) intercommunication of switching pipe (17), switching pipe (17) inboard fixedly connected with electric control valve.
2. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the number of the heat-preservation covers (5) is 2, the heat-preservation covers (5) are symmetrically arranged on the outer side of the preheating pipe (2), and the heat-preservation covers (5) are arranged in a hollow shape.
3. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the heat preservation cover (5) is fixedly connected with connecting blocks (6) at the upper end and the lower end, the front end is connected with a threaded shaft (7) in a screwed mode on the inner side of each connecting block (6), and the threaded shaft (7) is connected with the connecting blocks (6) at the rear end in a screwed mode.
4. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the front end the equal fixedly connected with of heat preservation cover (5) front end of heat preservation cover (5) rear end and rear end seals up (8), and seals up (8) and main part (1) sliding connection, sealed pad (8) are made by the panel of rubber material.
5. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the inner side of the liquid inlet pipe (15) is provided with a flow valve (16), and the flow valve (16) is fixedly connected with the liquid inlet pipe (15).
6. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the absorption bottle (14) and collection box (18) screwed connection, the inboard bottom fixedly connected with electric telescopic handle (19) of collection box (18), electric telescopic handle (19) top fixedly connected with piston board (20), and piston board (20) and collection box (18) sliding connection, absorption bottle (14) bottom central point puts the intercommunication and has conveyer pipe (21), and conveyer pipe (21) inboard fixedly connected with check valve, collection box (18) right side top intercommunication has fluid-discharge tube (22), and fluid-discharge tube (22) inboard fixedly connected with automatically controlled valve.
7. The preheating device for producing potassium carbonate by using boiler flue gas as claimed in claim 1, wherein the preheating device comprises: the bottom end of the outer side of the absorption bottle (14) and the top end of the outer side of the absorption bottle (14) are fixedly connected with gaskets (23), the gaskets (23) at the top ends are in sliding connection with the bottle cap (4), the gaskets (23) at the bottom ends are in sliding connection with the collection box (18), and the gaskets (23) are made of rubber-made plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902120.6U CN215048705U (en) | 2021-04-28 | 2021-04-28 | Preheating device for producing potassium carbonate by using boiler flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902120.6U CN215048705U (en) | 2021-04-28 | 2021-04-28 | Preheating device for producing potassium carbonate by using boiler flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048705U true CN215048705U (en) | 2021-12-07 |
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ID=79111187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120902120.6U Expired - Fee Related CN215048705U (en) | 2021-04-28 | 2021-04-28 | Preheating device for producing potassium carbonate by using boiler flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048705U (en) |
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2021
- 2021-04-28 CN CN202120902120.6U patent/CN215048705U/en not_active Expired - Fee Related
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| 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: 20211207 |