CN208843775U - Electric generator inner cooling water treatment facilities - Google Patents
Electric generator inner cooling water treatment facilities Download PDFInfo
- Publication number
- CN208843775U CN208843775U CN201821395551.2U CN201821395551U CN208843775U CN 208843775 U CN208843775 U CN 208843775U CN 201821395551 U CN201821395551 U CN 201821395551U CN 208843775 U CN208843775 U CN 208843775U
- Authority
- CN
- China
- Prior art keywords
- resin
- mixed bed
- valve
- water
- small mixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 147
- 229920005989 resin Polymers 0.000 claims abstract description 147
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000002253 acid Substances 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 11
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 6
- 238000001727 in vivo Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 238000005498 polishing Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000005837 radical ions Chemical class 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model relates to technical field of generators, are a kind of electric generator inner cooling water treatment facilities comprising small mixed bed, resin trolley, resin catcher.The utility model reasonable and compact in structure; easy to use, by increasing resin discharge and fill line, valve and equipment in small mixed bed, personnel are easy to operate when operation; personnel do not need to disassemble small mixed bed when maintenance, have not only protected equipment safety but also have improved the working efficiency of resin replacement.When the utility model is run, original 001 × 7 strong-acid type positive resin of water process and 201 × 7 strong base negative resins are changed to the macroporous type strong acid positive resin D003NJ and macroporous type strong basicity negative resin D203NJ of condensate polishing treatment mixed bed, not only increase the water production in periodic mode of small mixed bed, also reduce resin leakage rate, the pH value that inner cold water is also improved by supplement condensed water, has the characteristics that safe, laborsaving, easy, efficient.
Description
Technical field
The utility model relates to technical field of generators, are a kind of electric generator inner cooling water treatment facilities.
Background technique
There are two types of the internal cooling water modes of general large-scale generator, and one is micro- basification method, another kind is mixed bed
Tank body method.In mixed bed tank body method, the small mixed-bed resin of inner cold water uses common 001 × 7 strong-acid type positive resin of water process and 201 × 7
Strong base negative resin, the resin volume exchange capacity is small, less obvious to inner cold water pH, conductance adjustment effect, and unit is continuous
Resin replacement regeneration will be carried out by running in most 2 months, while the resin regeneration needs to configure resin dedicated generating apparatus again.Tree
Rouge is loaded and is removed and is both needed to temporarily dock flushing water and resin discharge tube, if pipe laying must not dismantle small mixed bed upper-part centralized
A series of accessories such as water plate and water cap remove above-mentioned accessory for a long time and the problems such as maintenance process damage water cap, gasket often occur, separately
Outer service personnel's larger workload and maintenance is frequent.
Summary of the invention
The utility model provides a kind of electric generator inner cooling water treatment facilities, overcomes the defects of the prior art,
It can effectively solve that resin replacement existing for small mixed bed in existing mixed bed tank body method is complicated for operation, maintenance is difficult, the resin replacement period
The relatively low problem of short and resin replacement low efficiency, inner cold water pH value.
The technical solution of the utility model is realized by following measures: a kind of electric generator inner cooling water treatment facilities,
Including small mixed bed, resin trolley, resin catcher, small mixed bed is provided with footstock, bed body and pedestal, and footstock is fixed with bed body top
Connection, pedestal are connected to the fixation of bed body lower part, and small mixed bed footstock fixation is communicated with inner cold water back with water inlet line, small mixed bed bed body top
It is fixed to be communicated with resin addition pipeline, it is fixed on the right side of small mixed bed bed body lower part and is communicated with compressed-air line, under small mixed bed bed body
Fixed on the left of portion to be communicated with resin discharge pipe line, small mixed bed pedestal is fixed to be communicated with inner cold water water outlet pipeline, and resin adds pipeline
On be successively fixedly installed with from left to right the second resin addition valve, resin trolley and the first resin addition valve, inner cold water outlet pipe
It is successively fixedly installed with outlet valve and resin catcher from pan outlet on line, resin row is fixedly installed on resin discharge pipe line
Put valve.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Fixation is communicated on resin addition pipeline between above-mentioned first resin addition valve and resin addition pipeline input end
The flushing water pipeline that can be supplied water to flushing resin trolley, and rinse water valve is fixedly installed on flushing water pipeline.
It is fixedly installed with inlet valve in above-mentioned inner cold water back with water inlet line, is fixedly installed with compressed air on compressed-air line
Valve, fixation is communicated with flowing line on the water outlet pipeline between outlet valve and small mixed bed pan outlet, and fixed on flowing line
Positive valve is installed.
Above-mentioned resin catcher bottom fixation is communicated with blowdown pipeline, and resin catcher row is fixedly installed on blowdown pipeline
Valve is put, fixation is communicated with inner cold water case back with water inlet line at the top of resin catcher, and resin discharge pipe line exit is provided with interim filter
Net.
Above-mentioned small mixed bed footstock and small mixed bed pedestal are respectively arranged with one group of water cap.
The macroporous type strong acid positive resin and model D203NJ of model D003NJ are filled in above-mentioned small mixed bed bed body
Macroporous type strong basicity negative resin.
The utility model reasonable and compact in structure, it is easy to use, it is managed by increasing resin discharge in small mixed bed and loading
Line, valve and equipment, personnel are easy to operate when operation, and personnel do not need to disassemble small mixed bed when maintenance, both protect equipment
Safety improves the working efficiency of resin replacement again.When the utility model is run, by original 001 × 7 strong-acid type Yang Shu of water process
Rouge and 201 × 7 strong base negative resins are changed to the macroporous type strong acid positive resin D003NJ of condensate polishing treatment mixed bed and big
Pass strong basicity negative resin D203NJ, not only increases the water production in periodic mode of small mixed bed, also reduces resin leakage rate, also pass through
The pH value that condensed water improves inner cold water is supplemented, is had the characteristics that safe, laborsaving, easy, efficient.
Detailed description of the invention
Attached drawing 1 is the Structure and Process schematic diagram of the best embodiment of the utility model.
Coding in attached drawing is respectively as follows: 1 for inlet valve, and 2 be water cap, and 3 be small mixed bed, and 4 add valve for the second resin, and 5 are
Resin trolley, 6 be rinse water valve, and 7 add valve for the first resin, and 8 be compressed air valve, and 9 be resin drain valve, and 10 be water outlet
Valve, 11 are positive valve, and 12 be resin catcher, and 13 be resin catcher drain valve, and 14 be interim strainer, and 15 intake for inner cold water
Pipeline, 16 add pipeline for resin, and 17 be resin discharge pipe line, and 18 are discharged pipeline for inner cold water, and 19 be compressed-air line, and 20
It is flowing line for flushing water pipeline, 21,22 be blowdown pipeline, and 23 be inner cold water case back with water inlet line.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1, which includes small mixed bed 3, resin trolley 5, resin catcher 12,
Small mixed bed 3 is provided with footstock, bed body and pedestal, and footstock is connected to the fixation of bed body top, and pedestal is connected to the fixation of bed body lower part, small
3 footstock of mixed bed is fixed to be communicated with inner cold water back with water inlet line 15, and small 3 bed body top of mixed bed is fixed to be communicated with resin addition pipeline 16,
Fixed on the right side of small 3 bed body lower part of mixed bed to be communicated with compressed-air line 19, small 3 bed body lower left side of mixed bed fixation is communicated with resin
Discharge pipe line 17, small 3 pedestal of mixed bed, which is fixed, is communicated with inner cold water water outlet pipeline 18, on resin addition pipeline 16 from left to right successively
The second resin addition valve 4, resin trolley 5 and the first resin addition valve 7, inner cold water is fixedly installed with to be discharged on pipeline 18 from pedestal
Outlet is successively fixedly installed with outlet valve 10 and resin catcher 12, and resin drain valve is fixedly installed on resin discharge pipe line 17
9。
The utility model passes through the people in small mixed bed increase resin discharge pipe line and fill line, valve and equipment, operation
Member is easy to operate, and personnel do not need to disassemble small mixed bed when maintenance, has not only protected equipment safety but also has improved resin replacement
Working efficiency.
When the utility model is run, electric generator inner cooling water enters small mixed bed 3 by inner cold water back with water inlet line 15, by small mixed
The water cap 2 on 3 tops of bed is uniformly distributed, and inner cold water stream is sprayed at the resin area on 3 top of bed body, inner cold water by resin area by
Filtering and absorption under, by metal ions and chloride ions, bicarbonate such as copper ion, iron ion, sodium ions in inner cold water
The nonmetallic ions such as radical ion, silicate ion are absorbed, and guarantee that its effluent quality copper ion is less than 20ug/L, conductance is less than
2us/cm, pH value maintain between 8.3 to 8.7.Meanwhile the inner cold water of the utility model generator is in supplement condensed water process
In, the ammonium ion in condensed water will be retained by resin, and so that resin is switched to ammoniated operation by Hydrogen, thus improve the pH of inner cold water
Value, the pH value of inner cold water may remain in 8.3 or more.
Above-mentioned electric generator inner cooling water treatment facilities can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, the resin between the first resin addition valve 7 and resin addition 16 input end of pipeline adds pipeline 16
Upper fixation is communicated with the flushing water pipeline 20 that can be supplied water to flushing resin trolley 5, and punching is fixedly installed on flushing water pipeline 20
Wash water valve 6.
As shown in Fig. 1, it is fixedly installed with inlet valve 1 in inner cold water back with water inlet line 15, is fixed on compressed-air line 19
Compressed air valve 8 is installed, fixation is communicated on the inner cold water water outlet pipeline 18 between 3 pan outlet of outlet valve 10 and small mixed bed
Flowing line 21, and positive valve 11 is fixedly installed on flowing line 21.
As needed, when the utility model replacement resin, the compressed air agitation for allowing compressed-air line 19 to be discharged is small mixed
3 bed body internal resins of bed guarantee that all outflow discharge finishes resin.
As shown in Fig. 1,12 bottom of resin catcher fixation is communicated with blowdown pipeline 22, the fixed peace on blowdown pipeline 22
It is fixed at the top of resin catcher 12 to be communicated with inner cold water case back with water inlet line 23, resin discharge equipped with resin catcher drain valve 13
17 exit of pipeline is provided with interim strainer 14.
As needed, when the utility model replacement resin, interim strainer 14, which is arranged, can be trapped in resin interim strainer
On 14, and water is discharged into trench, avoids resin discharge blocking trench.
As shown in Fig. 1, small 3 footstock of mixed bed and 3 pedestal of small mixed bed are respectively arranged with one group of water cap 2.
As shown in Fig. 1, as needed, the macroporous type highly acid sun in small 3 bed body of mixed bed filled with model D003NJ
The macroporous type strong basicity negative resin of resin and model D203NJ.
The macroporous type strong acid positive resin of model D003NJ and the macroporous type strong basicity negative resin of model D203NJ
The partial size of grain, intensity and volume-exchange capacity are bigger than normal, not only increase the water production in periodic mode of small mixed bed 3 after replacement, and reduce
Resin leakage rate.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of the best embodiment of the utility model: electric generator inner cooling water is by inlet valve 1 by inner cold water water inlet pipe
Line 15 enters small mixed bed 3, is uniformly distributed by one group of water cap 2 of small 3 footstock of mixed bed, inner cold water stream is sprayed at small 3 bed body of mixed bed
Top, after inner cold water is by the filtering and absorption from top to bottom of small mixed bed 3, the water cap 2 of pedestal guarantees that the intracorporal resin of bed does not flow
Enter small 3 lower part system of mixed bed, water enters resin catcher 12 by outlet valve 10, and resin catcher 12 is to by under small mixed bed 3
Portion is filtered again by the water that small 3 pedestal of mixed bed is discharged, and filtered water outlet is directly entered hair by inner cold water case back with water inlet line 23
Motor inner cold water case.
The replacement process of the best embodiment of the utility model: inlet valve 1, outlet valve 10 and positive valve 11 are closed, is successively beaten
Open resin drain valve 9, the second resin addition valve 4 and the first resin addition valve 7, at this time the intracorporal original resin of small mixed bed 3 and
The mixture of water starts to flow out from resin drain valve 9, it is filtered with interim strainer 14, and original resin is retained to interim filter
14 top of net, water flow into trench, contain original resin that interim strainer 14 retains with ready resin barrel, in the process,
Interruption opens compressed air valve 8, allows compressed air to stir the original resin of small 3 bed body inside ensuring of mixed bed and all flows out, observation tree
The substance that rouge drain valve 9 is discharged when in object to be discharged without original resin, closes the first resin addition valve 7, the second resin adds valve
4 and resin drain valve 9, original resin discharge finishes；Then positive valve 11, the second resin addition valve 4, the first tree are opened again
Rouge adds valve 7 and rinse water valve 6, by manually by regenerate it is new add in resin addition resin trolley 5, resin trolley 5 at this time
Nei Xinjia resin sequentially enters the addition of the second resin under the pressure effect that water is discharged in rinse water valve 6 and the first resin addition valve 7
Between 3 bed body upper and lower part of valve 4 and small mixed bed, newly resin and water is added to filter by small 3 bed body lower part of mixed bed, newly plus resin is cut
Small 3 bed body top of mixed bed is stayed in, water flows into trench by positive valve 11, and all addition finishes to newly add resin, successively closes punching
Wash water valve 6, the first resin addition valve 7, the second resin addition valve 4 and positive valve 11, the resin replacement of small mixed bed 3 finish.
Claims (10)
1. a kind of electric generator inner cooling water treatment facilities, it is characterised in that small mixed including small mixed bed, resin trolley, resin catcher
Bed is provided with footstock, bed body and pedestal, and footstock is connected to the fixation of bed body top, and pedestal is connected to the fixation of bed body lower part, small mixed bed
Footstock is fixed to be communicated with inner cold water back with water inlet line, and small mixed bed bed body top is fixed to be communicated with resin addition pipeline, small mixed bed bed body
Fixed on the right side of lower part to be communicated with compressed-air line, small mixed bed bed body lower left side, which is fixed, is communicated with resin discharge pipe line, small mixed
Bed pedestal is fixed to be communicated with inner cold water water outlet pipeline, is successively fixedly installed with the second resin from left to right on resin addition pipeline and adds
Valve, resin trolley and the first resin addition valve, inner cold water is added to be discharged on pipeline and be successively fixedly installed with outlet valve from pan outlet
And resin catcher, resin drain valve is fixedly installed on resin discharge pipe line.
2. electric generator inner cooling water treatment facilities according to claim 1, it is characterised in that the first resin adds valve and resin
It is fixed on resin addition pipeline between addition pipeline input end to be communicated with the flushing water pipeline that supplied water to flushing resin trolley,
And rinse water valve is fixedly installed on flushing water pipeline.
3. electric generator inner cooling water treatment facilities according to claim 1 or 2, it is characterised in that solid in inner cold water back with water inlet line
Dingan County is equipped with inlet valve, compressed air valve is fixedly installed on compressed-air line, between outlet valve and small mixed bed pan outlet
Inner cold water water outlet pipeline on fixation be communicated with flowing line, and positive valve is fixedly installed on flowing line.
4. electric generator inner cooling water treatment facilities according to claim 1 or 2, it is characterised in that resin catcher bottom is fixed
It is communicated with blowdown pipeline, resin catcher drain valve is fixedly installed on blowdown pipeline, fixation is communicated at the top of resin catcher
Inner cold water case back with water inlet line, resin discharge pipe line exit are provided with interim strainer.
5. electric generator inner cooling water treatment facilities according to claim 3, it is characterised in that resin catcher bottom is fixed to be connected
It is connected with blowdown pipeline, resin catcher drain valve is fixedly installed on blowdown pipeline, resin discharge pipe line exit, which is provided with, to be faced
When strainer.
6. electric generator inner cooling water treatment facilities described according to claim 1 or 2 or 5, it is characterised in that small mixed bed footstock and small
Mixed bed pedestal is respectively arranged with one group of water cap.
7. electric generator inner cooling water treatment facilities according to claim 3, it is characterised in that small mixed bed footstock and small mixed bed bottom
Seat is respectively arranged with one group of water cap.
8. electric generator inner cooling water treatment facilities according to claim 4, it is characterised in that small mixed bed footstock and small mixed bed bottom
Seat is respectively arranged with one group of water cap.
9. electric generator inner cooling water treatment facilities described according to claim 1 or 2 or 5 or 7 or 8, it is characterised in that small mixed bed bed
The macroporous type strong basicity negative resin of macroporous type strong acid positive resin filled with model D003NJ and model D203NJ in vivo.
10. electric generator inner cooling water treatment facilities according to claim 6, it is characterised in that be filled with type in small mixed bed bed body
Number for D003NJ macroporous type strong acid positive resin and model D203NJ macroporous type strong basicity negative resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395551.2U CN208843775U (en) | 2018-08-28 | 2018-08-28 | Electric generator inner cooling water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395551.2U CN208843775U (en) | 2018-08-28 | 2018-08-28 | Electric generator inner cooling water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208843775U true CN208843775U (en) | 2019-05-10 |
Family
ID=66357470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821395551.2U Expired - Fee Related CN208843775U (en) | 2018-08-28 | 2018-08-28 | Electric generator inner cooling water treatment facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208843775U (en) |
-
2018
- 2018-08-28 CN CN201821395551.2U patent/CN208843775U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101315566B1 (en) | Composite filtration and desalination equipment | |
| CN107160272A (en) | A kind of stone material sanding apparatus with dedusting function | |
| CN204828772U (en) | Take extraction formula basin tap of soft water function | |
| CN208843775U (en) | Electric generator inner cooling water treatment facilities | |
| CN108213280B (en) | A kind of building bar disconnecting device | |
| CN210934992U (en) | High-speed mixed bed capable of preventing resin leakage | |
| CN105948172A (en) | Ion exchange device and condensed water fine processing equipment | |
| CN201978585U (en) | Direct-flush-type pre-filter | |
| CN103566770B (en) | A kind of gas mixing type water off-line cleaning device for reverse osmosis membrane | |
| CN206081891U (en) | Filtering device | |
| CN206869547U (en) | The water circle device of Milling Machining equipment is attacked for boring | |
| CN203593679U (en) | Magnetized degreaser | |
| CN205603254U (en) | Active burnt adsorption tower of thermopnore granule | |
| CN208694394U (en) | A kind of efficient water treatment device | |
| CN207002440U (en) | A kind of new hydrogen-rich water dispenser | |
| CN211116632U (en) | Can abluent circulating pump | |
| CN208620476U (en) | A kind of portable air-treatment spray chamber | |
| CN208523495U (en) | A kind of cleaning system with water purification function | |
| CN214032117U (en) | Air conditioner overhauls sewage treatment plant | |
| CN206793302U (en) | A kind of emission-control equipment of steel mill | |
| CN210253336U (en) | Cleaning device for processing aluminum alloy water baffle | |
| CN220589393U (en) | Residual gas and residual liquid recovery device | |
| CN209653043U (en) | A kind of building water supply and drainage device with from dredging function | |
| CN216191522U (en) | Device for purifying waste water of steelmaking continuous casting machine | |
| CN214115138U (en) | Automatic fluorine removing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 |