CN216136715U - High-temperature coal tar dewatering device - Google Patents
High-temperature coal tar dewatering device Download PDFInfo
- Publication number
- CN216136715U CN216136715U CN202121759999.XU CN202121759999U CN216136715U CN 216136715 U CN216136715 U CN 216136715U CN 202121759999 U CN202121759999 U CN 202121759999U CN 216136715 U CN216136715 U CN 216136715U
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly arranged
- box
- fixed mounting
- rotating rod
- 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.)
- Active
Links
Images
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The utility model provides a high-temperature coal tar dehydration device. The high temperature coal tar dewatering device includes: the device comprises a processing box, a discharging mechanism and a discharging mechanism, wherein the processing box is provided with an absorption mechanism and a discharging mechanism; the absorption mechanism comprises two heating plates, an auxiliary box, an air outlet pipe, a spherical condensation pipe, an air inlet pipe, a fan, an L-shaped connecting pipe, a collecting pipe and a plurality of air suction pipes, wherein the two heating plates are fixedly arranged in the treatment box, the auxiliary box is fixedly arranged at the top of the treatment box, the air outlet pipe is fixedly arranged on the outer wall of one side of the auxiliary box, and one end of the air outlet pipe extends into the auxiliary box.
Description
Technical Field
The utility model belongs to the technical field of coal tar dehydration, and particularly relates to a high-temperature coal tar dehydration device.
Background
Coal tar is an important raw material for producing plastics, synthetic fibers, dyes, rubber, medicines, high-temperature resistant materials and the like, and can be used for synthesizing various industrial products such as pesticides, saccharin, dyes, medicines, explosives and the like, wherein the coal tar is a liquid product prepared by enhancing thermal dry distillation of coal in an air-isolated environment, the tar obtained by the high-temperature dry distillation is called high-temperature dry distillation coal tar for short, and the common coal tar dehydration method comprises standing dehydration, tubular furnace heating dehydration, centrifugal separation and the like; including handling the case, the inlet pipe, the discharging pipe, the multiunit is kept in the pipe, the multiunit outlet duct, the collecting pipe, the multiunit cylinder, the multiunit telescopic link, the multiunit heating rod, the multiunit lifter plate, the push pedal, fixed thread pipe, promotion threaded rod and rotatory handle, it is provided with the multiunit landing leg to handle the bottom half, all be provided with the ooff valve on inlet pipe and the discharging pipe, the multiunit is kept in the nose portion and is provided with the multiunit fixed orifices respectively, be provided with multiunit mechanical seal spare between multiunit cylinder and the multiunit fixed orifices inner wall respectively, multiunit heating rod bottom is provided with the multiunit closing plate respectively, be provided with the sealing washer on the push pedal outer wall, be provided with the fixed slot on the push pedal right side wall, be provided with first ball bearing in the fixed slot, it is provided with the scavenge hole to handle roof portion right-hand member, scavenge hole department is provided with the breather valve.
However, the above structure has a disadvantage that during the heating and standing dehydration of the coal tar, a part of moisture in the coal tar becomes water vapor, and the other part of moisture is separated from the coal tar oil and water and floats on the upper layer, so that the moisture needs to be absorbed and discharged.
Therefore, there is a need to provide a new high temperature coal tar dewatering device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature coal tar dehydration device which can realize standing heating on high-temperature coal tar, absorb water vapor and floating water surface, accelerate dehydration efficiency and accelerate the discharge speed of the coal tar.
In order to solve the technical problem, the high-temperature coal tar dehydration device provided by the utility model comprises a treatment box, wherein an absorption mechanism and a discharge mechanism are arranged on the treatment box; the absorption mechanism comprises two heating plates, an auxiliary box, an air outlet pipe, a spherical condensing pipe, an air inlet pipe, a fan, an L-shaped connecting pipe, a collecting pipe and a plurality of air suction pipes, wherein the two heating plates are fixedly arranged in the treatment box, the auxiliary box is fixedly arranged at the top of the treatment box, the air outlet pipe is fixedly arranged on the outer wall of one side of the auxiliary box, one end of the air outlet pipe extends into the auxiliary box, the spherical condensing pipe is fixedly arranged at one end of the air outlet pipe, the air inlet pipe is fixedly arranged at one end of the spherical condensing pipe, one end of the air inlet pipe extends out of the auxiliary box, the fan is fixedly arranged at the top of the treatment box, an air outlet of the fan is fixedly connected with the air inlet pipe, the L-shaped connecting pipe is fixedly arranged on an air inlet of the fan, the bottom end of the L-shaped connecting pipe extends into the treatment box, and the collecting pipe is fixedly arranged at the bottom end of the L-shaped connecting pipe, the plurality of air suction pipes are fixedly arranged on the collecting pipe;
the discharge mechanism comprises a discharge hopper, a discharge box, a first rotating rod, a first auger, a first bevel gear, a motor, a second rotating rod, a second bevel gear and a second auger, wherein the discharge hopper is fixedly arranged at the bottom of the processing box, the discharge box is fixedly arranged at the bottom of the discharge hopper, the discharge box is communicated with the discharge hopper, the first rotating rod is arranged in the discharge hopper, the bottom end of the first rotating rod extends into the discharge box, the first auger is fixedly arranged on the first rotating rod, the first bevel gear is fixedly arranged at the bottom end of the first rotating rod, the motor is fixedly arranged on the outer wall of one side of the discharge box, the second rotating rod is fixedly arranged on the output shaft of the motor, one end of the second rotating rod extends into the discharge box and is rotatably connected with the discharge box, the second bevel gear is fixedly arranged on the second rotating rod, and the second bevel gear is meshed with the motor, and the second packing auger is fixedly arranged on the second rotating rod.
As a further scheme of the utility model, a water storage tank is fixedly mounted on the outer wall of one side of the treatment tank, an air cylinder is fixedly mounted on the inner wall of the top of the treatment tank, a water suction pipe is fixedly mounted on an output shaft of the air cylinder, a hose is fixedly mounted on the water suction pipe, an L-shaped water supply pipe is fixedly mounted at the top end of the hose, one end of the L-shaped water supply pipe extends out of the treatment tank, one end of the L-shaped water supply pipe is connected with the water storage tank, an L-shaped water inlet pipe is fixedly mounted at the top of the water storage tank, one end of the L-shaped water inlet pipe extends into the auxiliary tank, three communicating pipes are fixedly mounted on the L-shaped water inlet pipe, and the communicating pipes are communicated with the spherical condenser pipe.
As a further scheme of the utility model, a first electromagnetic valve is fixedly arranged on the discharge hopper, a fixed plate is fixedly arranged in the discharge hopper, and the fixed plate is rotationally connected with a rotating rod.
As a further scheme of the utility model, a water inlet pipe is fixedly arranged at the top of the auxiliary box, and a water outlet pipe is fixedly arranged on the outer wall of one side of the auxiliary box.
As a further scheme of the utility model, a feeding pipe is fixedly arranged at the top of the treatment box, and a second electromagnetic valve is fixedly arranged on the feeding pipe.
As a further scheme of the utility model, four supporting legs are fixedly arranged at the bottom of the treatment box, and a temperature sensor is fixedly arranged on the inner wall of one side of the treatment box.
Compared with the related art, the high-temperature coal tar dewatering device provided by the utility model has the following beneficial effects:
1. according to the utility model, the absorption mechanism is arranged, so that the waste water separated from the coal tar can be absorbed and stored, and the waste water separated from the coal tar can be collected to avoid the pollution of the waste water to the environment;
2. the discharging mechanism is arranged, so that the coal tar after dehydration can be discharged out of the treatment tank, and the coal tar can be quickly discharged to accelerate the working efficiency.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic front sectional view of a high temperature coal tar dewatering device according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an assembly view of the auxiliary tank, the air outlet pipe, the spherical condenser pipe, the air inlet pipe, the water outlet pipe, the L-shaped water inlet pipe and the communicating pipe of the present invention.
In the figure: 1. a treatment tank; 2. heating plates; 3. an auxiliary tank; 4. an air outlet pipe; 5. a spherical condenser tube; 6. an air inlet pipe; 7. a fan; 8. an L-shaped connecting pipe; 9. a collector pipe; 10. an air intake duct; 11. a discharge hopper; 12. discharging the material box; 13. rotating the first rod; 14. a first packing auger; 15. a first conical gear; 16. a motor; 17. rotating the second rod; 18. a second bevel gear; 19. a second auger; 20. a cylinder; 21. an L-shaped water inlet pipe.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic front sectional view of a high temperature coal tar dewatering device according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; FIG. 3 is an assembly view of the auxiliary tank, the air outlet pipe, the spherical condenser pipe, the air inlet pipe, the water outlet pipe, the L-shaped water inlet pipe and the communicating pipe of the present invention. The high-temperature coal tar dehydration device comprises a treatment box 1, wherein an absorption mechanism and a discharge mechanism are arranged on the treatment box 1; the absorption mechanism comprises two heating plates 2, an auxiliary box 3, an air outlet pipe 4, a spherical condensing pipe 5, an air inlet pipe 6, a fan 7, an L-shaped connecting pipe 8, a collecting pipe 9 and a plurality of air suction pipes 10, wherein the two heating plates 2 are fixedly arranged in the treatment box 1, the auxiliary box 3 is fixedly arranged at the top of the treatment box 1, the air outlet pipe 4 is fixedly arranged on the outer wall of one side of the auxiliary box 3, one end of the air outlet pipe 4 extends into the auxiliary box 3, the spherical condensing pipe 5 is fixedly arranged at one end of the air outlet pipe 4, the air inlet pipe 6 is fixedly arranged at one end of the spherical condensing pipe 5, one end of the air inlet pipe 6 extends out of the auxiliary box 3, the fan 7 is fixedly arranged at the top of the treatment box 1, an air outlet of the fan 7 is fixedly connected with the air inlet pipe 6, the L-shaped connecting pipe 8 is fixedly arranged on an air inlet of the fan 7, the bottom end of the L-shaped connecting pipe 8 extends into the treatment box 1, the collecting pipe 9 is fixedly arranged at the bottom end of the L-shaped connecting pipe 8, and the plurality of air suction pipes 10 are all fixedly arranged on the collecting pipe 9;
discharge mechanism is including going out hopper 11, ejection of compact box 12, dwang 13, auger 14, bevel gear 15, motor 16, two 17 of dwang, two 18 of bevel gear and auger 19, it is in the bottom of handling case 1 to go out hopper 11 fixed mounting, go out hopper 12 fixed mounting in the bottom of play hopper 11, it is linked together with play hopper 11 to go out hopper 12, dwang 13 sets up in a hopper 11, the bottom of dwang 13 extends to in a magazine 12, auger 14 fixed mounting is on dwang 13, one 15 fixed mounting of bevel gear is in the bottom of dwang 13, motor 16 fixed mounting is on a side outer wall of a magazine 12, two 17 fixed mounting of dwang are on motor 16's output shaft, the one end of dwang two 17 extends to in a magazine 12 and is connected with a magazine 12 rotation, the second bevel gear 18 is fixedly mounted on the second rotating rod 17, the second bevel gear 18 is meshed with the motor 16, and the second packing auger 19 is fixedly mounted on the second rotating rod 17.
As shown in fig. 1, a water storage tank is fixedly mounted on the outer wall of one side of the treatment tank 1, an air cylinder 20 is fixedly mounted on the inner wall of the top of the treatment tank 1, a water suction pipe is fixedly mounted on an output shaft of the air cylinder 20, a hose is fixedly mounted on the water suction pipe, an L-shaped water supply pipe is fixedly mounted at the top end of the hose, one end of the L-shaped water supply pipe extends out of the treatment tank 1, one end of the L-shaped water supply pipe is connected with the water storage tank, an L-shaped water inlet pipe 21 is fixedly mounted on the top of the water storage tank, one end of the L-shaped water inlet pipe 21 extends into the auxiliary tank 3, three communicating pipes are fixedly mounted on the L-shaped water inlet pipe 21, and the communicating pipes are communicated with the spherical condenser pipe 5;
through water storage tank, cylinder 20, the pipe that absorbs water, hose, L shape delivery pipe, L shape inlet tube 21 and communicating pipe mutually support, form can send into the water storage tank with the water that absorbs water in spherical condenser pipe 5 and the pipe that absorbs water, avoided the water that the tar is deviate from to be directly discharged influence the environment.
As shown in fig. 1, a first electromagnetic valve is fixedly installed on the discharge hopper 11, a fixed plate is fixedly installed in the discharge hopper 11, and the fixed plate is rotatably connected with a first rotating rod 13;
through solenoid valve one and fixed plate mutually supporting, the formation can be fixed dwang 13 through the fixed plate, has avoided dwang 13 to rotate the in-process and has taken place the slope and lead to unable normal work.
As shown in fig. 3, a water inlet pipe is fixedly installed at the top of the auxiliary tank 3, and a water outlet pipe is fixedly installed on the outer wall of one side of the auxiliary tank 3;
mutually support through inlet tube and outlet pipe, form and to make 3 inner loop of auxiliary tank flow in cooling water and cool down spherical condenser pipe 5, avoided spherical condenser pipe 5 can't cool down and get rid of the vapor that contains in the air.
As shown in fig. 1, a feeding pipe is fixedly installed at the top of the treatment box 1, and a second electromagnetic valve is fixedly installed on the feeding pipe;
through the mutual cooperation of inlet pipe and second solenoid valve, form the state that opens and shuts that can control the inlet pipe through second solenoid valve, avoided the inlet pipe can't open or closed lead to unable feeding or heat preservation.
As shown in fig. 1, four support legs are fixedly installed at the bottom of the treatment box 1, and a temperature sensor is fixedly installed on the inner wall of one side of the treatment box 1;
through supporting leg and temperature sensor mutually supporting, form and handle the inside temperature of case 1 through temperature sensor real-time detection, avoided handling 1 inside high temperature of case or cross lowly and can not reach the dehydration effect.
The working principle of the high-temperature coal tar dehydration device provided by the utility model is as follows:
the first step is as follows: when the coal tar is required to be dehydrated, firstly, the electromagnetic valve II is opened, high-temperature coal tar is poured into the treatment box 1, then the heating plate 2 is opened, the high-temperature coal tar is kept still and heated, water contained in the high-temperature coal tar is separated from the coal tar, a part of the high-temperature coal tar becomes water vapor, a part of the high-temperature coal tar floats on the water surface, then the fan 7 is opened, the fan 7 sucks air into the L-shaped connecting pipe 8, the L-shaped connecting pipe 8 sucks air into the collecting pipe 9, the collecting pipe 9 sucks air into the air suction pipe 10, the air suction pipe 10 absorbs and transports the water vapor in the treatment box 1 into the spherical condenser pipe 5, then circulating cooling water is injected into the auxiliary box 3 through the water inlet pipe, the cooling water cools the high-temperature steam in the spherical condenser pipe 5, the water vapor is condensed into water drops, finally, the water drops flow into the L-shaped water inlet pipe 21 through the communicating pipe and then enters the water storage tank, then the air cylinder 20 is started, the air cylinder 20 drives the suction pipe to move downwards until the suction pipe contacts the water layer floating above the coal tar, then starting a pressure pump in the water storage tank, sucking water into the hose through the water suction pipe, and then entering the water storage tank through the L-shaped water delivery pipe to finish the dehydration work;
the second step is as follows: when the coal tar is required to be discharged, firstly, the first electromagnetic valve is opened, the coal tar enters the discharge hopper 11, then the motor 16 is started, the motor 16 drives the second rotating rod 17 to rotate, the second rotating rod 17 drives the second conical gear 18 to rotate, the second conical gear 18 drives the first conical gear 15 to rotate, the first conical gear 15 drives the first rotating rod 13 to rotate, the first rotating rod 13 drives the first auger 14 to rotate, the first auger 14 accelerates the flowing speed of the coal tar, so that the coal tar rapidly flows into the discharge box 12, meanwhile, the second rotating rod 17 drives the second auger 19 to rotate, and the second auger 19 drives the coal tar to rapidly discharge, so that the discharging work is completed.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.
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, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.
Claims (6)
1. A high temperature coal tar dewatering device, characterized by comprising:
the device comprises a processing box, a discharging mechanism and a discharging mechanism, wherein the processing box is provided with an absorption mechanism and a discharging mechanism;
the absorption mechanism comprises two heating plates, an auxiliary box, an air outlet pipe, a spherical condensing pipe, an air inlet pipe, a fan, an L-shaped connecting pipe, a collecting pipe and a plurality of air suction pipes, wherein the two heating plates are fixedly arranged in the treatment box, the auxiliary box is fixedly arranged at the top of the treatment box, the air outlet pipe is fixedly arranged on the outer wall of one side of the auxiliary box, one end of the air outlet pipe extends into the auxiliary box, the spherical condensing pipe is fixedly arranged at one end of the air outlet pipe, the air inlet pipe is fixedly arranged at one end of the spherical condensing pipe, one end of the air inlet pipe extends out of the auxiliary box, the fan is fixedly arranged at the top of the treatment box, an air outlet of the fan is fixedly connected with the air inlet pipe, the L-shaped connecting pipe is fixedly arranged on an air inlet of the fan, the bottom end of the L-shaped connecting pipe extends into the treatment box, and the collecting pipe is fixedly arranged at the bottom end of the L-shaped connecting pipe, the plurality of air suction pipes are fixedly arranged on the collecting pipe;
the discharge mechanism comprises a discharge hopper, a discharge box, a first rotating rod, a first auger, a first bevel gear, a motor, a second rotating rod, a second bevel gear and a second auger, wherein the discharge hopper is fixedly arranged at the bottom of the processing box, the discharge box is fixedly arranged at the bottom of the discharge hopper, the discharge box is communicated with the discharge hopper, the first rotating rod is arranged in the discharge hopper, the bottom end of the first rotating rod extends into the discharge box, the first auger is fixedly arranged on the first rotating rod, the first bevel gear is fixedly arranged at the bottom end of the first rotating rod, the motor is fixedly arranged on the outer wall of one side of the discharge box, the second rotating rod is fixedly arranged on the output shaft of the motor, one end of the second rotating rod extends into the discharge box and is rotatably connected with the discharge box, the second bevel gear is fixedly arranged on the second rotating rod, and the second bevel gear is meshed with the motor, and the second packing auger is fixedly arranged on the second rotating rod.
2. The high temperature coal tar dewatering device of claim 1, characterized by: fixed mounting has the water storage tank on handling one side outer wall of case, fixed mounting has the cylinder on handling the top inner wall of case, fixed mounting has the pipe that absorbs water on the output shaft of cylinder, fixed mounting has the hose on the pipe that absorbs water, the top fixed mounting of hose has L shape flow pipe, the one end of L shape flow pipe extends to outside handling the case, just the one end of L shape flow pipe is connected with the water storage tank, the top fixed mounting of water storage tank has L shape inlet tube, the one end of L shape inlet tube extends to the auxiliary tank in, fixed mounting has three communicating pipe on the L shape inlet tube, communicating pipe is linked together with spherical condenser pipe.
3. The high temperature coal tar dewatering device of claim 1, characterized by: the automatic feeding device is characterized in that a first electromagnetic valve is fixedly mounted on the discharging hopper, a fixed plate is fixedly mounted in the discharging hopper, and the fixed plate is rotatably connected with a rotating rod.
4. The high temperature coal tar dewatering device of claim 1, characterized by: the top fixed mounting of auxiliary tank has the inlet tube, one side outer wall fixed mounting of auxiliary tank has the outlet pipe.
5. The high temperature coal tar dewatering device of claim 1, characterized by: the top fixed mounting who handles the case has the inlet pipe, fixed mounting has solenoid valve two on the inlet pipe.
6. The high temperature coal tar dewatering device of claim 1, characterized by: the bottom fixed mounting who handles the case has four supporting legs, fixed mounting has temperature sensor on the one side inner wall of handling the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121759999.XU CN216136715U (en) | 2021-07-30 | 2021-07-30 | High-temperature coal tar dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121759999.XU CN216136715U (en) | 2021-07-30 | 2021-07-30 | High-temperature coal tar dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216136715U true CN216136715U (en) | 2022-03-29 |
Family
ID=80804789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121759999.XU Active CN216136715U (en) | 2021-07-30 | 2021-07-30 | High-temperature coal tar dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216136715U (en) |
-
2021
- 2021-07-30 CN CN202121759999.XU patent/CN216136715U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101776372B (en) | Nitrogen closed cycle drying and solvent recovery system | |
| CN202928303U (en) | Temperature-control heat conduction oil down feather dryer | |
| CN201653074U (en) | Closed-loop circulating drying unit | |
| CN216136715U (en) | High-temperature coal tar dewatering device | |
| CN111059880A (en) | Snakegourd seed heat treatment integrated device and treatment method thereof | |
| CN208091124U (en) | A kind of waste heat recovery device for kitchen castoff processing | |
| CN207094177U (en) | A kind of chemical industry equipment feeder | |
| CN211526971U (en) | Snakegourd fruit heat treatment integrated device | |
| CN210346166U (en) | Dehumidification drying equipment is used in plastic stopping production and processing | |
| CN206160688U (en) | Superconductive solar thermal energy pump drying system | |
| CN207287012U (en) | A kind of instant tea powder drying device for recovering powder | |
| CN110803852A (en) | Sludge conveying mechanism, sludge drying equipment and drying method | |
| CN216385015U (en) | Upper air discharging drying tower | |
| CN112797303B (en) | Power station generator oil groove anomaly detection device | |
| CN209279704U (en) | A kind of device for recycling condensed water | |
| CN210764349U (en) | Dehumidifier for carbon dioxide manufacturing process | |
| CN206838251U (en) | A kind of mainshaft mechanism of low-temperature negative-pressure drying machine | |
| CN219199734U (en) | Boiling drying device | |
| CN111925812A (en) | Coke oven gas recycling system | |
| CN107183496B (en) | A kind of hydraulic power Full automatic high-efficiency energy-saving steam process equipment | |
| CN206410430U (en) | A kind of wet sand is dried and exhaust treatment system | |
| CN219489929U (en) | Walnut oil water separator | |
| CN217403031U (en) | Drying device is used in sewage treatment flocculating agent production | |
| CN114353550B (en) | Waste heat recovery system and method for boiler deaerator | |
| CN215063555U (en) | Water-saving water source type water vapor treatment and collection device for coal slime drying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |