CN222124909U - COD digestion device with cooling function - Google Patents
COD digestion device with cooling function Download PDFInfo
- Publication number
- CN222124909U CN222124909U CN202420014373.3U CN202420014373U CN222124909U CN 222124909 U CN222124909 U CN 222124909U CN 202420014373 U CN202420014373 U CN 202420014373U CN 222124909 U CN222124909 U CN 222124909U
- Authority
- CN
- China
- Prior art keywords
- heating
- water tank
- digestion
- fixedly connected
- bottle
- 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
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
本申请公开了一种带有降温功能的COD消解器，涉及实验器材技术领域，包括加热箱，所述加热箱上表面设有加热装置，所述加热装置上方设有消解瓶，所述加热箱内腔中安装有用于带动所述消解瓶旋转的驱动装置。本申请通过加热座、传动轴、微型电机和风冷设备等结构间的配合设置，当需要通过风冷设备对加热座上的消解瓶进行快速降温时，可启动微型电机带动加热座旋转，从而带动消解瓶缓慢转动，使消解瓶各个面均能正对风冷设备，大大提高了风冷设备的降温效率，尽量避免了现有COD消解器通过在放置箱端部安装风扇对加热后的消解瓶进行降温，在降温过程中，消解瓶的迎风面能够得到快速降温，而消解瓶的背风面降温效果较差的问题。
The present application discloses a COD digester with a cooling function, which relates to the field of experimental equipment technology, including a heating box, a heating device is provided on the upper surface of the heating box, a digestion bottle is provided above the heating device, and a driving device for driving the digestion bottle to rotate is installed in the inner cavity of the heating box. The present application is provided by the coordination between structures such as a heating seat, a transmission shaft, a micro motor and an air cooling device. When the digestion bottle on the heating seat needs to be quickly cooled by the air cooling device, the micro motor can be started to drive the heating seat to rotate, thereby driving the digestion bottle to rotate slowly, so that each side of the digestion bottle can face the air cooling device, greatly improving the cooling efficiency of the air cooling device, and avoiding as much as possible the existing COD digester by installing a fan at the end of the placement box to cool the heated digestion bottle. During the cooling process, the windward side of the digestion bottle can be quickly cooled, while the leeward side of the digestion bottle has a poor cooling effect.
Description
Technical Field
The application relates to the technical field of experimental equipment, in particular to a COD (chemical oxygen demand) digestion device with a cooling function.
Background
COD (chemical oxygen demand) is a chemical measure of the amount of reducing substances in a water sample that need to be oxidized and is an important and faster-to-determine organic pollution parameter.
The utility model patent of bulletin number CN218481303U provides a COD digestion device with cooling function, including frame and digestion bottle, the one end of frame is connected with places the case, the other end of frame is connected with the forced air cooling case, place and be equipped with a plurality of counter bores of placing that are used for placing the digestion bottle on the case, all be connected with the cooling fan that is used for cooling the digestion bottle on the end wall of placing the case both sides, be equipped with the installation component that is used for installing cooling fan on the case of placing.
Above-mentioned COD digestion device is through placing the digestion bottle after the case tip installation fan is to the heating and is cooled down, at the cooling in-process, the windward side of digestion bottle can obtain quick cooling, and the leeward side cooling effect of digestion bottle is relatively poor, inconvenient user uses.
Disclosure of utility model
The utility model aims to solve or at least relieve the problems that the existing COD digestion device cools the heated digestion bottle by installing a fan at the end part of a placement box, the windward side of the digestion bottle can be rapidly cooled in the cooling process, the cooling effect of the leeward side of the digestion bottle is poor, and the use is inconvenient for users.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a COD digestion device with cooling function, includes the heating cabinet, the heating cabinet upper surface is equipped with heating device, the heating device top is equipped with and clears up the bottle, install in the heating cabinet inner chamber and be used for driving the rotatory drive arrangement of digestion bottle, the heating cabinet top is equipped with condensation equipment, install at the heating cabinet both ends be used for right the forced air cooling equipment of cooling down of digestion bottle, heating device includes two sets of accommodation holes of seting up on the heating cabinet upper surface, fixedly connected with heat insulating board on the accommodation hole inner chamber diapire, encircle the heating wire of being connected with external power source on the heat insulating board upper surface, the heating wire top the inside rotation of accommodation hole is connected with the heating seat, clear up bottle bottom embedded in inside the heating seat, drive arrangement includes the transmission shaft of heating seat lower surface center fixedly connected with, the transmission shaft bottom run through and with the heat insulating board rotates to be connected, fixedly connected with micro motor on the heating cabinet inner chamber diapire, the transmission shaft keeps away from the one end of heating seat with micro motor's output fixedly connected with.
Through adopting above technical scheme, when needing to cool down to the digestion bottle after heating, at first along the length direction slip slide plate of slide rail, remove the fan of installing on the slide plate to just need the digestion bottle of cooling, then start the fan and blow out flowing cold air and act on and clear up on the bottle, simultaneously the user starts and installs in the inside micro motor of heating cabinet, it is rotatory through the transmission shaft drive heating seat after the micro motor circular telegram, thereby it slowly rotates to drive the digestion bottle of bottom embedded in heating seat inside, through rotatory digestion bottle, make digestion bottle each face homoenergetic just to forced air cooling equipment, cooling efficiency of forced air cooling equipment has been improved greatly, the current COD digestion ware has avoided as far as possible cooling down to the digestion bottle after placing the case tip installation fan, cool down the in-process, the windward side of digestion bottle can obtain quick cooling, and the leeward side cooling effect of digestion bottle is relatively poor, inconvenient problem that the user used.
Optionally, each accommodating hole is internally provided with an independent electric heating wire, the electric heating wires are in a spiral structure, and a space for the transmission shaft to pass through is reserved in the center of each electric heating wire.
Through adopting above technical scheme, set up independent heating wire in every accommodation hole, make the user can select the heating wire of circular telegram to heat the digestion bottle of different quantity as required to make the user use more conveniently.
Optionally, a first water tank is sleeved on the middle section of the transmission shaft, the transmission shaft penetrates through the first water tank and is rotationally connected with the first water tank, and a sealing bearing is installed at the joint of the transmission shaft and the first water tank.
Through adopting above technical scheme, set up first water tank and be arranged in cooling down the transmission shaft through the cold water that holds in the first water tank inner chamber, avoid the transmission shaft to conduct high temperature to micro motor as far as possible on, lead to the problem that micro motor damaged, set up sealed bearing and be used for sealing the junction of transmission shaft and first water tank, avoid the inside cold water of first water tank to reveal as far as possible.
Optionally, the condensation equipment including set up in the second water tank of heating cabinet top, wear to be equipped with a plurality of with clear up the corresponding back flow of bottle on the second water tank, the back flow with second water tank fixed connection, the back flow is located the one end of second water tank bottom is scalable, the back flow is located the one end fixedly connected with cooling bottle at second water tank top.
Through adopting above technical scheme, when the inside liquid of digestion bottle heats, gliding back flow bottom makes the back flow bottom embedded to digestion bottle opening inside, makes the steam that digestion bottle inside liquid evaporation formed can follow the back flow and reciprocates, makes steam condensation under the cooling effect of the inside cooling water that holds of second water tank and cooling bottle to back flow to digestion bottle inside again along the back flow.
Optionally, be provided with four bracing pieces between the second water tank with the heating cabinet, four the bracing piece set up respectively in four corners of heating cabinet, the both ends of bracing piece respectively with the second water tank with heating cabinet fixed connection.
Through adopting above technical scheme, set up the bracing piece and be used for supporting the second water tank and make the second water tank unsettled in the heating cabinet top to make heating cabinet top and second water tank below form the space that supplies the user to place the digestion bottle.
Optionally, one end of the first water tank and one end of the second water tank are fixedly connected with a water inlet pipe, and the other end of the first water tank and the other end of the second water tank are fixedly connected with a water outlet pipe.
Through adopting above technical scheme, after the long-time heating leads to the inside cold water temperature of first water tank and second water tank to rise, user accessible inlet tube carries outside cold water to inside first water tank and the second water tank to through the drain pipe with the inside hot water of first water tank and second water tank discharge, form circulating water, improve cooling and condensation efficiency.
Optionally, the air cooling equipment includes fixed connection in slide rail on the outer wall of heating cabinet both sides, sliding connection has the slide on the slide rail, slide top fixedly connected with fan.
Through adopting above technical scheme, when needing to cool down the digestion bottle, can start the fan and blow out flowing cold air and act on the digestion bottle, make digestion bottle rapid cooling, set up slide rail and slide, make the user can follow the length direction sliding slide of slide rail, adjust the position of fan and cool down the digestion bottle of different positions.
In summary, the beneficial effects of the application are as follows:
According to the application, through the cooperation arrangement among the structures such as the heating seat, the transmission shaft, the micro motor, the air cooling equipment and the like, when the digestion bottle on the heating seat needs to be rapidly cooled through the air cooling equipment, the micro motor can be started to drive the heating seat to rotate, so that the digestion bottle is driven to slowly rotate, each surface of the digestion bottle can be opposite to the air cooling equipment, the cooling efficiency of the air cooling equipment is greatly improved, and the problem that the cooling effect of the lee surface of the digestion bottle is poor due to the fact that the conventional COD digestion device cools the heated digestion bottle by installing the fan at the end part of the placement box is avoided as much as possible, and in the cooling process, the windward surface of the digestion bottle can be rapidly cooled.
2. The middle section cover through the transmission shaft is equipped with first water tank, and first water tank is inside to be equipped with cold water, and sealing bearing who is used for improving sealing performance is installed to the junction of transmission shaft and first water tank, cools down the transmission shaft through the cold water that first water tank is inside to be equipped with, and the heat that produces when avoiding the heating wire to heat as far as possible leads to micro motor to damage because of overheated on through the transmission shaft conduction, has improved micro motor's life greatly.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present application;
FIG. 2 is an enlarged view of a detail of the portion of FIG. 1A in accordance with the present application;
Fig. 3 is a schematic diagram of the connection structure of the micro motor, the transmission shaft and the heating seat of the present application.
The reference numerals are 1, a heating box, 2, a heat insulation board, 3, an electric heating wire, 4, a heating seat, 5, a digestion bottle, 6, a transmission shaft, 7, a miniature motor, 8, a first water tank, 9, a sealing bearing, 10, a second water tank, 11, a support rod, 12, a return pipe, 13, a cooling bottle, 14, a water inlet pipe, 15, a drain pipe, 16, a slide rail, 17, a slide plate, 18 and a fan.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
Referring to fig. 1-3, a COD digestion device with cooling function comprises a heating box 1 with heating function, wherein a heating device is arranged on the upper surface of the heating box 1, a digestion bottle 5 is arranged above the heating device, and the digestion bottle 5 can be heated by the heating device.
Install the drive arrangement that is arranged in the heating cabinet 1 inner chamber to drive and clear up bottle 5 rotation, make the digestion bottle 5 after the heating rotate under drive arrangement's effect, heating cabinet 1 top is equipped with carries out condensation's condensation equipment to the steam that digestion bottle 5 inside liquid heating produced, and the forced air cooling equipment that is used for cooling down to digestion bottle 5 after the heating is installed at heating cabinet 1 both ends.
The heating device comprises two groups of containing holes formed in the upper surface of the heating box 1, a plurality of containing holes are formed in each group of containing holes, and the containing holes in the two groups are distributed in a staggered mode. The bottom wall of the inner cavity of the accommodating hole is fixedly connected with a heat insulating plate 2 made of asbestos, and the upper surface of the heat insulating plate 2 is surrounded by an electric heating wire 3 connected with an external power supply. The inside rotation of accommodation hole above heating wire 3 is connected with heating seat 4, and digestion bottle 5 bottom is embedded in inside heating seat 4. When the digestion bottle 5 needs to be heated, the bottom of the digestion bottle 5 is embedded in the heating seat 4, then the electric heating wire 3 is connected with an external power supply, the heating seat 4 is heated after the electric heating wire 3 is electrified, and liquid contained in the digestion bottle 5 is heated through heat conduction.
The driving device comprises a driving shaft 6 fixedly connected with the center of the lower surface of the heating seat 4, and the bottom end of the driving shaft 6 penetrates through the heat insulation plate 2 and is rotationally connected with the heat insulation plate 2. The micro motor 7 is fixedly connected to the bottom wall of the inner cavity of the heating box 1 below the transmission shaft 6, and one end, away from the heating seat 4, of the transmission shaft 6 is fixedly connected with the output end of the micro motor 7. When needs clear up bottle 5 and cool down fast, can start forced air cooling equipment, be connected micro motor 7 and external power source simultaneously, make micro motor 7 drive heating seat 4 through transmission shaft 6 and rotate to it is rotatory to drive the bottle 5 of clearing up of bottom embedded in heating seat 4 inside, through rotatory clear up bottle 5, make clear up each face homoenergetic of bottle 5 just to forced air cooling equipment, improved forced air cooling equipment's cooling efficiency greatly.
Referring to fig. 1 and 2, an independent heating wire 3 is disposed in each receiving hole, the heating wire 3 has a spiral structure, and a space for a transmission shaft 6 to pass through is reserved in the center of the heating wire 3. The independent heating wires 3 are arranged in each containing hole, so that a user can select the electrified heating wires 3 to heat digestion bottles 5 with different numbers according to the needs, and the use of the digestion bottles is more convenient.
Referring to fig. 1 and 3, a first water tank 8 is sleeved on the middle section of a transmission shaft 6, the transmission shaft 6 penetrates through the first water tank 8 and is rotatably connected with the first water tank 8, and a sealing bearing 9 is arranged at the joint of the transmission shaft 6 and the first water tank 8. The first water tank 8 is arranged to cool the transmission shaft 6 through cold water contained in the inner cavity of the first water tank 8, so that the problem that the transmission shaft 6 conducts high temperature to the micro motor 7 to damage the micro motor 7 is avoided as much as possible, and the sealing bearing 9 is arranged to seal the joint of the transmission shaft 6 and the first water tank 8, so that cold water in the first water tank 8 is prevented from leaking as much as possible.
Referring to fig. 1, the condensing apparatus includes a second water tank 10 disposed above the heating tank 1, a plurality of return pipes 12 corresponding to the digestion bottles 5 are disposed on the second water tank 10 in a penetrating manner, the return pipes 12 are fixedly connected with the second water tank 10, one end of the return pipe 12 located at the bottom of the second water tank 10 is telescopic, and one end of the return pipe 12 located at the top of the second water tank 10 is fixedly connected with a cooling bottle 13. When the liquid in the digestion bottle 5 is heated, the bottom end of the return pipe 12 is slid downwards, the bottom end of the return pipe 12 is embedded into the opening of the digestion bottle 5, steam formed by evaporating the liquid in the digestion bottle 5 can move upwards along the return pipe 12, the steam is condensed under the cooling action of cooling water contained in the second water tank 10 and the cooling bottle 13, and the steam flows back to the digestion bottle 5 along the return pipe 12.
Referring to fig. 1, four support rods 11 are provided between the second water tank 10 and the heating tank 1, the four support rods 11 are respectively provided at four corners of the heating tank 1, and both ends of the support rods 11 are respectively fixedly connected with the second water tank 10 and the heating tank 1. The supporting rod 11 is provided for supporting the second water tank 10 such that the second water tank 10 is suspended above the heating tank 1, thereby forming a space above the heating tank 1 and below the second water tank 10 for a user to place the digestion bottle 5.
Referring to fig. 1, one end of each of the first water tank 8 and the second water tank 10 is fixedly connected with a water inlet pipe 14, and the other end of each of the first water tank 8 and the second water tank 10 is fixedly connected with a water outlet pipe 15. After the temperature of the cold water in the first water tank 8 and the second water tank 10 is increased due to long-time heating, a user can convey the external cold water to the inside of the first water tank 8 and the second water tank 10 through the water inlet pipe 14 and discharge the high-temperature hot water in the inside of the first water tank 8 and the second water tank 10 through the water outlet pipe 15 to form circulating water, so that the cooling and condensing efficiency is improved.
Referring to fig. 3, the air cooling device comprises sliding rails 16 fixedly connected to the outer walls of the two sides of the heating box 1, sliding plates 17 are slidably connected to the sliding rails 16, and fans 18 are fixedly connected to the top ends of the sliding plates 17. When the digestion bottle 5 needs to be cooled, the fan 18 can be started to blow out flowing cold air to act on the digestion bottle 5, so that the digestion bottle 5 is cooled down rapidly, the sliding rail 16 and the sliding plate 17 are arranged, a user can slide the sliding plate 17 along the length direction of the sliding rail 16, and the positions of the fan 18 are adjusted to cool down the digestion bottles 5 at different positions.
When the heated digestion bottle 5 needs to be cooled, firstly, the sliding plate 17 is slid along the length direction of the sliding rail 16, the fan 18 arranged on the sliding plate 17 is moved to be opposite to the digestion bottle 5 needing to be cooled, then the fan 18 is started to blow out flowing cold air to act on the digestion bottle 5, meanwhile, a micro motor 7 arranged in the heating box 1 is started by a user, the micro motor 7 drives the heating seat 4 to rotate through the transmission shaft 6 after being electrified, so that the digestion bottle 5 with the bottom embedded in the heating seat 4 is driven to slowly rotate, all surfaces of the digestion bottle 5 can be opposite to the air cooling equipment through rotating the digestion bottle 5, the cooling efficiency of the air cooling equipment is greatly improved, and the problems that in the cooling process, the windward surface of the digestion bottle 5 can be cooled rapidly, the leeward surface of the digestion bottle 5 is poor in cooling effect and the use of the user is inconvenient are avoided.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The COD digestion device with the cooling function comprises a heating box (1), wherein a heating device is arranged on the upper surface of the heating box (1), a digestion bottle (5) is arranged above the heating device, a driving device used for driving the digestion bottle (5) to rotate is arranged in an inner cavity of the heating box (1), condensing equipment is arranged at the top of the heating box (1), air cooling equipment used for cooling the digestion bottle (5) is arranged at two ends of the heating box (1), the COD digestion device is characterized in that the heating device comprises two groups of containing holes formed in the upper surface of the heating box (1), a heat insulation plate (2) is fixedly connected to the bottom wall of an inner cavity of the containing hole, an electric heating wire (3) connected with an external power supply is arranged on the upper surface of the heat insulation plate (2) in a surrounding mode, a heating seat (4) is connected to the inner portion of the containing hole in a rotating mode, the bottom of the digestion bottle (5) is embedded in the inner portion of the heating seat (4), the driving device comprises a transmission shaft (6) fixedly connected to the lower surface center of the heating seat (4), the bottom end of the heating seat (6) penetrates through a motor (6) and is fixedly connected with the bottom wall (7) of the heat insulation plate (1), one end of the transmission shaft (6) far away from the heating seat (4) is fixedly connected with the output end of the miniature motor (7).
2. The COD (chemical oxygen demand) digestion device with the cooling function according to claim 1, wherein an independent heating wire (3) is arranged inside each containing hole, the heating wires (3) are of a spiral structure, and a space for the transmission shaft (6) to pass through is reserved in the center of each heating wire (3).
3. The COD (chemical oxygen demand) digestion device with the cooling function according to claim 1, wherein a first water tank (8) is sleeved on the middle section of the transmission shaft (6), the transmission shaft (6) penetrates through the first water tank (8) and is rotationally connected with the first water tank (8), and a sealing bearing (9) is arranged at the joint of the transmission shaft (6) and the first water tank (8).
4. The COD (chemical oxygen demand) digestion device with the cooling function according to claim 3, wherein the condensing equipment comprises a second water tank (10) arranged above the heating tank (1), a plurality of return pipes (12) corresponding to the digestion bottles (5) are arranged on the second water tank (10) in a penetrating mode, the return pipes (12) are fixedly connected with the second water tank (10), one ends of the return pipes (12) positioned at the bottoms of the second water tank (10) are telescopic, and one ends of the return pipes (12) positioned at the tops of the second water tank (10) are fixedly connected with cooling bottles (13).
5. The COD (chemical oxygen demand) digestion device with the cooling function according to claim 4, wherein four supporting rods (11) are arranged between the second water tank (10) and the heating box (1), the four supporting rods (11) are respectively arranged at four corners of the heating box (1), and two ends of the supporting rods (11) are respectively fixedly connected with the second water tank (10) and the heating box (1).
6. The COD digestion device with the cooling function according to claim 4, wherein one end of the first water tank (8) and one end of the second water tank (10) are fixedly connected with a water inlet pipe (14), and the other end of the first water tank (8) and the other end of the second water tank (10) are fixedly connected with a water outlet pipe (15).
7. The COD digestion device with the cooling function according to claim 1, wherein the air cooling device comprises sliding rails (16) fixedly connected to the outer walls of the two sides of the heating box (1), sliding plates (17) are connected to the sliding rails (16) in a sliding manner, and fans (18) are fixedly connected to the top ends of the sliding plates (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420014373.3U CN222124909U (en) | 2024-01-03 | 2024-01-03 | COD digestion device with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420014373.3U CN222124909U (en) | 2024-01-03 | 2024-01-03 | COD digestion device with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222124909U true CN222124909U (en) | 2024-12-06 |
Family
ID=93679388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420014373.3U Active CN222124909U (en) | 2024-01-03 | 2024-01-03 | COD digestion device with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222124909U (en) |
-
2024
- 2024-01-03 CN CN202420014373.3U patent/CN222124909U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216355645U (en) | Cooling device for box-type substation | |
| CN222124909U (en) | COD digestion device with cooling function | |
| CN119818976A (en) | Methyl alcohol recovery unit of MTBE production facility | |
| CN114659385A (en) | Easily maintain inside washable detachable cooler | |
| CN216554093U (en) | Evaporative cooler for fixed internal combustion generator set | |
| CN116631735B (en) | An efficient heat dissipation transformer | |
| CN216765073U (en) | Water electrolysis type hydrogen production device | |
| CN213455018U (en) | Multistage heat exchange type closed cooling tower | |
| CN211537654U (en) | Heating agitator tank | |
| CN213514043U (en) | Electric heater with multiple heating modes | |
| CN208293036U (en) | A kind of interior circulating air cooling device suitable for vacuum air-quenching furnace | |
| CN211025200U (en) | Rectifying tower condensing equipment is used in aviation fuel production | |
| CN211425166U (en) | Waste heat recovery utilizes device for polydextrose production | |
| CN210045245U (en) | Production equipment capable of rapidly cooling sulfone polymer | |
| CN222048273U (en) | Emulsified asphalt cooling device | |
| CN117685185B (en) | A carbon dioxide geothermal power generation device and a method of using the same | |
| CN221259595U (en) | Environment-friendly energy-saving thermal cycle heating equipment | |
| CN215828389U (en) | Circulating cooling tower of waste liquid negative pressure distillation emission reduction equipment | |
| CN223769060U (en) | Multi-energy complementary waste heat utilization device | |
| CN217636282U (en) | Efficient oil cooling type evaporative condenser | |
| CN210583724U (en) | A kind of atmospheric and vacuum fractionation device | |
| CN217331864U (en) | Multi-section rapid cooling COD digestion instrument | |
| CN222257198U (en) | Water cooling plant for energy storage of thermal power plant | |
| CN215140071U (en) | Laboratory condensate water recycling device | |
| CN114427123B (en) | Thermal insulation mechanism for production of ultra-high molecular weight polyethylene fibers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |