CN220183005U - Water treatment system for amino acid production - Google Patents
Water treatment system for amino acid production Download PDFInfo
- Publication number
- CN220183005U CN220183005U CN202321113637.2U CN202321113637U CN220183005U CN 220183005 U CN220183005 U CN 220183005U CN 202321113637 U CN202321113637 U CN 202321113637U CN 220183005 U CN220183005 U CN 220183005U
- Authority
- CN
- China
- Prior art keywords
- filter
- water
- reverse osmosis
- amino acid
- treatment system
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 150000001413 amino acids Chemical class 0.000 title claims abstract description 18
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 68
- 239000008234 soft water Substances 0.000 claims abstract description 50
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000006004 Quartz sand Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 14
- 239000012528 membrane Substances 0.000 abstract description 10
- 230000001580 bacterial effect Effects 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Abstract
The utility model discloses a water treatment system for amino acid production, which is characterized in that a water source is filtered by a primary filter, a secondary filter and a tertiary filter in sequence to form soft water, the soft water enters a soft water storage tank, the soft water is filtered by the primary bag filter before entering a reverse osmosis device, the opening of an outlet valve and a drain valve is controlled by monitoring the conductivity of the soft water on line, qualified reverse osmosis water enters a reverse osmosis water tank, an ozone sterilizer is opened in advance to remove bacterial colonies generated by leakage and long-term non-flowing of a reverse osmosis membrane, the bacterial colonies in the tank and the residual bacterial colonies in a pipeline are further cleaned by an ultraviolet sterilizer, and finally the secondary bag filter is used for filtering, so that the secondary bag filter mainly prevents some particulate matters from entering production equipment. The system enables the water source to be fully softened at the front end, reduces the replacement frequency of the reverse osmosis membrane in the reverse osmosis device, saves the cost, and enables bacteria to be well controlled through double sterilization.
Description
Technical Field
The utility model relates to the technical field of amino acid production equipment, in particular to a water treatment system for amino acid production.
Background
With the development and progress of society and science, amino acid products are widely used, and in the field of industrial production, raw materials necessary for preparing amino acid products include process water. As the turbidity, hardness, conductivity and colony number of the existing process water are seriously disqualified, the transmittance, turbidity, colony number and the like of the product exceed the standards, the quality of the product is disqualified, the production capacity is reduced, the production cost is greatly increased, and the product value is reduced.
Disclosure of Invention
The utility model aims to provide a water treatment system for amino acid production, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water treatment system for amino acid production, includes one-level filter, secondary filter and tertiary filter, one-level filter, secondary filter with tertiary filter connects gradually, tertiary filter connects gradually has soft water storage tank, the water source warp one-level filter, secondary filter with tertiary filter filters in proper order after become soft water and get into in the soft water storage tank, soft water storage tank is connected with reverse osmosis unit, soft water storage tank with be provided with primary pocket filter on the connecting line between the reverse osmosis unit, get into before the reverse osmosis unit the water source passes through primary pocket filter filters, reverse osmosis unit is connected with the reverse osmosis water pitcher in order, be connected with ozone sterilization machine and ultraviolet disinfector on the reverse osmosis water pitcher in order, the reverse osmosis water pitcher is connected with secondary pocket filter in order, through in-line monitoring electric conductivity control outlet valve and drainage valve aperture, reaches qualified reverse osmosis water gets into in the reverse osmosis water pitcher in advance will because of revealing reverse osmosis membrane and long-term not flowing the bacterial colony that produces, again warp in the reverse osmosis unit and the further clearance tank and in the pipeline pass through secondary pocket filter produces some residual particulate matter in the filter.
When the water quality parameters of the process water entering the reverse osmosis device reach the turbidity less than or equal to 0.5NTU, the hardness is 20ppm, the conductivity is 380 mu s/cm, the replacement frequency of the membrane core of the reverse osmosis device is reduced, and the cost accounting is saved;
the water quality parameters of the process water reach turbidity=0 through a reverse osmosis device, the conductivity is less than or equal to 10 mu s/cm, the desalination rate is more than or equal to 99%, and the colony count is less than or equal to 1cfu/g;
the ozone sterilizer and the ultraviolet sterilizer can prevent bacteria from breeding in the soft water storage tank for a long time, and the colony number caused by leakage of the reverse osmosis device is unqualified, so that the soft water sterilization effect is achieved.
Preferably, the primary filter is a quartz sand filter, the secondary filter is an activated carbon filter, the quartz sand filter and the activated carbon filter respectively use quartz sand and activated carbon as filter materials, the primary filter uses quartz sand as filter materials, the gap is relatively large, primary filtration is carried out on a water source, the secondary filter uses activated carbon as filter materials, the gap is relatively small, secondary filtration is carried out on the water source, and large and small particle impurities in water can be taken out.
Preferably, the three-stage filter is composed of soft water filters symmetrically arranged, the two soft water filters respectively receive water flow discharged from the two-stage filter, the two soft water filters increase the filtering efficiency, and the soft water standard is reached before the soft water enters the soft water storage tank.
Preferably, the three-stage filter is resin filtration, and resin is used as a filter material.
Preferably, the soft water storage tank with be located on the connecting line between the reverse osmosis unit the front side of elementary bag filter is provided with flow valve, elementary bag filter with be provided with the dosing tank on the pipeline between the flow valve, thereby the liquid medicine in the dosing tank is sent into the pipeline through the metering pump, thereby control flow valve control water yield, send into the pipeline with the liquid medicine in the dosing tank through the measuring pump work, guarantee that quality of water gets into in the reverse osmosis unit after elementary bag filter filters simultaneously, process water has obtained abundant front end and has softened, has reduced reverse osmosis membrane's change frequency in the reverse osmosis unit, has practiced thrift the cost, has also improved reverse osmosis water's production efficiency.
Preferably, the pipeline where the ultraviolet sterilizer is located is provided with a valve group, the valve group consists of a first forward valve, a second forward valve, a first shutoff valve and a second shutoff valve, the first forward valve, the first shutoff valve and the second shutoff valve are opened, and the second forward valve is closed to enable water to flow through the ultraviolet sterilizer in the pipeline, so that the total number of bacterial colonies is effectively reduced.
Preferably, the tail end of the secondary bag filter is connected with a centrifugal pump, and the process water is pumped into a process required by a workshop through the operation of the centrifugal pump.
Preferably, the ultraviolet sterilizer comprises fixing plates symmetrically arranged in the horizontal direction, an external supporting plate is respectively clamped between the upper end and the lower end of each fixing plate, the fixing plates and the external supporting plate jointly form a shell for supporting ultraviolet lamps, the ultraviolet lamps are uniformly arranged on the external supporting plates, water passing pipes are arranged between the two fixing plates, the ultraviolet lamps are positioned on two sides of the water passing pipes, the passing water can be fully irradiated, the sterilization efficiency is high, the water passing pipes are respectively connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively located on the same pipeline with the first shutoff valve and the second shutoff valve, and the water inlet pipe and the water outlet pipe respectively form a water flow path with the first shutoff valve and the second shutoff valve.
Compared with the prior art, the utility model has the beneficial effects that:
(1) In this system, the water source becomes soft water and gets into soft water storage tank after filtering in proper order through primary filter, secondary filter and tertiary filter, at effectual filtration, has obtained abundant front end and has softened, has reduced reverse osmosis membrane's change frequency in the reverse osmosis unit, has practiced thrift the cost, has also improved reverse osmosis water's production efficiency.
(2) The double sterilization effect of the ozone sterilizer and the ultraviolet sterilizer enables bacteria which leak from the reverse osmosis device to be well controlled after long-term storage of bacteria which are generated in the soft water storage tank.
The system can improve the quality of soft water to a greater extent, and solves the problems of chromaticity and colony count of products.
Drawings
FIG. 1 is a flow chart of the overall operation of the system of the present utility model;
fig. 2 is a cross-sectional view of the ultraviolet sterilizer of the present utility model.
In the figure: 1-primary filter, 2-secondary filter, 3-tertiary filter, 4-soft water storage tank, 5-flow valve, 6-dosing tank, 7-metering pump, 8-primary bag filter, 9-reverse osmosis device, 10-reverse osmosis water tank, 11-ozone sterilizer, 12-ultraviolet sterilizer, 121-fixed plate, 122-external support plate, 123-ultraviolet lamp, 124-water pipe, 125-inlet pipe, 126-outlet pipe, 13-secondary bag filter, 14-first forward valve, 15-second forward valve, 16-first shutoff valve, 17-second shutoff valve, 18-centrifugal pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a water treatment system for amino acid production, includes primary filter 1, secondary filter 2 and tertiary filter 3, primary filter 1, secondary filter 2 with tertiary filter 3 connects gradually, tertiary filter 3 is connected with soft water storage tank 4 in order, the water source warp primary filter 1, secondary filter 2 with tertiary filter 3 filters the back in order and becomes soft water and get into in the soft water storage tank 4, soft water storage tank 4 is connected with reverse osmosis unit 9, soft water storage tank 4 with be provided with primary bag filter 8 on the connecting line between the reverse osmosis unit 9, before getting into reverse osmosis unit 9 the water source passes through primary bag filter 8 filters, reverse osmosis unit 9 is connected with reverse osmosis water pitcher 10 in order, be connected with ozone sterilization machine 11 and ultraviolet ray disinfection ware 12 on the reverse osmosis water pitcher 10 in order, through on-line monitoring conductivity control outlet valve and drainage valve aperture, reach qualified reverse osmosis water get into in the reverse osmosis water pitcher 10, will clear away ozone sterilization machine 11 and open and produce the filter 12 in order to prevent that some filtration quality from passing through the secondary bag filter 13 from revealing in the final stage filter 13, the filter is carried out in order to prevent that some the filter medium-grade filter particles from leaking.
When the water quality parameters of the process water entering the reverse osmosis device 9 reach the turbidity less than or equal to 0.5NTU, the hardness is 20ppm, the conductivity is 380 mu s/cm, the replacement frequency of the membrane core of the reverse osmosis device 9 is reduced, and the cost accounting is saved;
the water quality parameters of the process water reach turbidity=0 through a reverse osmosis device, the conductivity is less than or equal to 10 mu s/cm, the desalination rate is more than or equal to 99%, and the colony count is less than or equal to 1cfu/g;
the ozone sterilizer 11 and the ultraviolet sterilizer 12 can prevent bacteria from breeding in the soft water storage tank for a long time and prevent unqualified colony count caused by leakage of the reverse osmosis device, thereby playing a role in soft water sterilization.
Specifically, the primary filter 1 is a quartz sand filter, the secondary filter 2 is an activated carbon filter, the quartz sand filter and the activated carbon filter respectively use quartz sand and activated carbon as filter materials, the primary filter 1 uses quartz sand as filter materials, the gap is relatively large, the primary filtration is carried out on a water source, the secondary filter 2 uses activated carbon as filter materials, the gap is relatively small, the secondary filtration is carried out on the water source, and the large and small particle impurities in the water can be taken out.
Specifically, the three-stage filter 3 is composed of soft water filters symmetrically arranged, two soft water filters respectively receive water flows discharged from the two-stage filter 2, the two soft water filters increase the filtering efficiency, and the soft water standard is reached before the soft water enters the soft water storage tank 4.
Specifically, the soft water storage tank 4 with on the connecting pipe way between the reverse osmosis unit 9 just be located the front side of elementary bag filter 8 is provided with flow valve 5, elementary bag filter 8 with be provided with dosing tank 6 on the pipeline between flow valve 5, the liquid medicine in the dosing tank 6 is sent into the pipeline through measuring pump 7, thereby control flow valve 5 control water yield, send into the pipeline through measuring pump work with the liquid medicine in the dosing tank 6, guarantee that quality of water gets into in the reverse osmosis unit 9 after the filtration of elementary bag filter 8 simultaneously, process water has obtained abundant front end and has softened, has reduced reverse osmosis membrane's change frequency in the reverse osmosis unit, has practiced thrift the cost, has also improved reverse osmosis water's production efficiency.
Specifically, a valve group is disposed at the pipeline where the ultraviolet sterilizer 12 is located, the valve group is composed of a first forward valve 14, a second forward valve 15, a first shut-off valve 16 and a second shut-off valve 17, the first forward valve 14, the first shut-off valve 16 and the second shut-off valve 17 are opened, and the second forward valve 15 is closed to enable water to flow through the ultraviolet sterilizer 12 in the pipeline, so that the total number of bacterial colonies is effectively reduced.
Specifically, the end of the secondary bag filter 13 is connected to a centrifugal pump 18, and the centrifugal pump 18 is operated to pump the process water into the process required in the plant.
Specifically, the ultraviolet sterilizer 12 includes a fixing plate 121 symmetrically disposed in a horizontal direction, an external support plate 122 is respectively clamped between an upper end and a lower end of the fixing plate 121, the fixing plate 121 and the external support plate 122 together form a housing for supporting the ultraviolet lamp 123, the ultraviolet lamp 123 is uniformly mounted on the external support plate 122, a water pipe 124 is disposed between the fixing plates 121, the ultraviolet lamps 123 are disposed on two sides of the water pipe 124, the passing water can be fully irradiated, the sterilization efficiency is high, a water inlet pipe 125 and a water outlet pipe 126 are respectively connected to the water pipe 124, the water inlet pipe 125 and the water outlet pipe 126 are respectively located on the same pipeline with the first shutoff valve 16 and the second shutoff valve 17, and the water inlet pipe 125 and the water outlet pipe 126 respectively form a water flow path with the first shutoff valve 16 and the second shutoff valve 17.
Working principle: the method comprises the steps of setting a primary filter 1, a secondary filter 2 and a tertiary filter 3, sequentially connecting the primary filter 1, the secondary filter 2 and the tertiary filter 3, sequentially connecting the tertiary filter 3 with a soft water storage tank 4, sequentially filtering a water source through the primary filter 1, the secondary filter 2 and the tertiary filter 3, enabling the water source to become soft water, entering the soft water storage tank 4, connecting the soft water storage tank 4 with a reverse osmosis device 9, arranging a primary bag filter 8 on a connecting pipeline between the soft water storage tank 4 and the reverse osmosis device 9, filtering the water source through the primary bag filter 8 before entering the reverse osmosis device 9, sequentially connecting the reverse osmosis device 9 with a reverse osmosis water tank 10, sequentially connecting the reverse osmosis water tank 10 with an ozone sterilizer 11 and an ultraviolet sterilizer 12 on the reverse osmosis water tank 10, sequentially connecting the reverse osmosis bag filter 13, controlling the opening of an outlet valve and a drainage valve through on-line monitoring soft water conductivity, enabling qualified reverse osmosis water to enter the reverse osmosis water tank 10, opening the ozone sterilizer 11 in advance, removing colonies generated by leakage and long-term non-flowing of the reverse osmosis membrane, further cleaning colonies in the reverse osmosis membrane and finally, and finally enabling the water source to enter production equipment through the secondary bag filter 13 to enter into a production device for preventing particulate matters.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: 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 (8)
1. A water treatment system for amino acid production, which is characterized in that: including one-level filter (1), secondary filter (2) and tertiary filter (3), one-level filter (1), secondary filter (2) with tertiary filter (3) are connected in order, tertiary filter (3) are connected with soft water storage tank (4) in order, soft water storage tank (4) are connected with reverse osmosis unit (9), soft water storage tank (4) with be provided with primary bag filter (8) on the connecting line between reverse osmosis unit (9), reverse osmosis unit (9) are connected with reverse osmosis water tank (10) in order, be connected with ozone sterilization machine (11) and ultraviolet ray disinfection ware (12) on reverse osmosis water tank (10), reverse osmosis water tank (10) are connected with second grade bag filter (13) in order.
2. The water treatment system for amino acid production according to claim 1, wherein: the primary filter (1) is a quartz sand filter, the secondary filter (2) is an activated carbon filter, and the quartz sand filter and the activated carbon filter respectively use quartz sand and activated carbon as filter materials.
3. The water treatment system for amino acid production according to claim 2, wherein: the three-stage filter (3) consists of soft water filters which are symmetrically arranged, and the two soft water filters respectively receive water flow discharged from the two-stage filter (2).
4. The water treatment system for amino acid production according to claim 1, wherein: the three-stage filter (3) is a resin filter, and takes resin as a filter material.
5. A water treatment system for amino acid production according to claim 3, wherein: the soft water storage tank (4) with on the connecting line between reverse osmosis unit (9) and be located the front side of elementary bag filter (8) is provided with flow valve (5), elementary bag filter (8) with be provided with on the pipeline between flow valve (5) and add medical tank (6), the liquid medicine in adding medical tank (6) is sent into in the pipeline through measuring pump (7).
6. The water treatment system for amino acid production according to claim 1, wherein: the pipeline where the ultraviolet sterilizer (12) is arranged is provided with a valve group, and the valve group consists of a first forward valve (14), a second forward valve (15), a first shutoff valve (16) and a second shutoff valve (17).
7. The water treatment system for amino acid production according to claim 1, wherein: the end of the secondary bag filter (13) is connected with a centrifugal pump (18).
8. The water treatment system for amino acid production of claim 6, wherein: ultraviolet disinfector (12) are including fixed plate (121) that the symmetry set up in the horizontal direction, two respectively the joint has outside backup pad (122) between the upper end and the lower extreme of fixed plate (121), evenly install ultraviolet lamp (123) on outside backup pad (122), two be provided with water pipe (124) between fixed plate (121), be connected with inlet tube (125) and outlet pipe (126) on water pipe (124) respectively, inlet tube (125) with outlet pipe (126) respectively with first shutoff valve (16) with second shutoff valve (17) are located same pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113637.2U CN220183005U (en) | 2023-05-10 | 2023-05-10 | Water treatment system for amino acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113637.2U CN220183005U (en) | 2023-05-10 | 2023-05-10 | Water treatment system for amino acid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220183005U true CN220183005U (en) | 2023-12-15 |
Family
ID=89107920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113637.2U Active CN220183005U (en) | 2023-05-10 | 2023-05-10 | Water treatment system for amino acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220183005U (en) |
-
2023
- 2023-05-10 CN CN202321113637.2U patent/CN220183005U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105668896A (en) | Purified water preparation system | |
| CN109019997A (en) | A kind of two-pass reverse osmosis and EDI water treatment system | |
| CN202046957U (en) | Full-automatic high-purity water producing system | |
| CN210855612U (en) | Energy-saving circulating and self-disinfecting water purifying device | |
| CN220183005U (en) | Water treatment system for amino acid production | |
| CN212151943U (en) | Two-stage reverse osmosis purified water preparation and supply system | |
| CN200999216Y (en) | Circulating type highly effective high-purity water purifier | |
| CN209352697U (en) | Sewerage disposing system for circulating cooling water of power plant | |
| CN205803210U (en) | Spring water automatic producing device | |
| CN211367282U (en) | High-purity water treatment system | |
| CN212050931U (en) | Boiler make-up water treatment system with medium-pressure ultraviolet sterilization device | |
| CN204529494U (en) | Ultrapure water production system | |
| CN210559853U (en) | Purified water preparation system | |
| CN208700797U (en) | A kind of industrial pure water ultrafiltration apparatus | |
| CN105776664A (en) | Method for improving efficiency of producing purified water in reverse osmosis mode | |
| CN207158992U (en) | A kind of paper grade (stock) industrial water processing unit | |
| CN205241420U (en) | Multiple purification pure water equipment | |
| CN217732876U (en) | Drinking water film treatment device | |
| CN215249952U (en) | Small-size water supply integration water purification unit | |
| CN220449874U (en) | Reclaimed water recycling equipment for multi-stage filtration water conservation and high-quality produced water | |
| CN219931113U (en) | Automatic booster-type water supply equipment | |
| CN211111502U (en) | Sewage treatment device with cyclic treatment function | |
| CN210457735U (en) | Double-membrane filtration water purifying device | |
| CN219217781U (en) | Pipeline direct drinking water system | |
| CN220684787U (en) | Container formula water purification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |