CN110590050A - Long path water filtering device - Google Patents
Long path water filtering device Download PDFInfo
- Publication number
- CN110590050A CN110590050A CN201910967296.7A CN201910967296A CN110590050A CN 110590050 A CN110590050 A CN 110590050A CN 201910967296 A CN201910967296 A CN 201910967296A CN 110590050 A CN110590050 A CN 110590050A
- Authority
- CN
- China
- Prior art keywords
- water
- screening
- conical
- box
- water inlet
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a long-path water filtering device, which purifies sewage for multiple times by arranging a coarse screening box, a secondary screening box and a tertiary screening box, and lengthens the flow path of the sewage by arranging a plurality of screening boxes, a plurality of screens and a conical screening device; and through set up many water inflow runner grooves and play water runner groove on the toper filters the platform and make the sewage through secondary filterable flow path lengthening in water runner groove to carry out abundant contact and strengthen screening efficiency with a plurality of smart screens in water runner groove, can obtain the filterable sewage of different degrees through setting up a plurality of aqua storage chambers.
Description
Technical Field
The invention relates to the technical field of water filtration, in particular to a long-path water filtration device.
Background
Water filtration is a medium for filtering and treating other impurities, and is a filtration mode for effectively separating solid and gas by dissolving water; the water filtration is a method specially for treating water, suspended solids in water are removed by using a filter medium, the water filtration is divided into common filtration and microporous filtration, generally activated carbon and quartz sand are used for filtering drinking water, and the conventional household water dispenser can remove impurities, rust, silt, colloid, bacteria and viruses, can also remove radioactive particles, organic matters, fluorescent substances and pesticides which are harmful to human bodies, and can also remove water alkali and heavy metals in the water; the current wastewater types comprise domestic wastewater, industrial wastewater, electroplating wastewater and heavy metal wastewater; the treatment method of various waste water mainly comprises a physical treatment method, a chemical treatment method and a biological treatment method; the pretreatment process of the pretreatment unit used for the urban wastewater in the prior art can adopt treatment modes such as coarse screening, intermediate screening, crushing, flow measurement, slag removal, flotation and the like; the existing water filtering device usually only carries out one-time screening on the water through a simple screen mesh for water pretreatment; the process is also only simple to spray the sewage on the screen; therefore, the screening path of the sewage is too short, the contact area of the sewage and the screen is not enough, and the screening time is too short; nor can it screen out the sewage with different purification degrees.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a long-path water filtering device, which is provided with a plurality of layers of screens for purifying sewage and a conical purifying device for lengthening the flow path of the sewage.
In order to achieve the purpose, the invention provides the following technical scheme:
a long-path water filtering device comprises a coarse screen box, an anti-blocking device, a drainage plate, a water collecting tank, a water pumping device I, a secondary screening box, a water pumping device II, a tertiary screening box, a conical screening device and a water storage chamber.
Furthermore, a water inlet is formed in a top cover of the coarse screen box, a bottom plate of the coarse screen box is a coarse screen mesh, and the anti-blocking device is arranged in the coarse screen box and comprises a winding adsorption wheel, a connecting cross rod, a connecting seat, a supporting rod, a driving shaft and a motor; a plurality of winding adsorption wheels set up in the bottom of connecting the horizontal pole, are provided with magnet on the winding adsorption wheel and adsorb the metallic impurity on the screen cloth, and the winding wheel is swept away the impurity on the screen cloth and is twined impurity such as weeds on the winding wheel.
Furthermore, the both ends of connecting the horizontal pole are fixed on the connecting seat, and the middle part fixed connection of connecting the horizontal pole is served at one of drive shaft, and the connecting seat of connecting the horizontal pole both ends passes through the bracing piece to be connected with the drive shaft, and the other end of drive shaft stretches out the top cap of coarse screen case and is connected with the motor of top cap outer end.
Further, the drainage plate sets up the lower extreme at the coarse screen cloth, and the drainage plate is the solid core plate of slope form, and the header tank setting is in the below of drainage plate low side, and secondary screening case sets up in the high-end below of drainage plate, and the low side of drainage plate is provided with the delivery port, and the delivery port that the sewage that passes through coarse screen cloth prefiltration passes through the drainage plate low side flows into the header tank.
Furthermore, the water pumping device I comprises a water pumping pipe I, a water pumping pump I and a water inlet pipe; the drinking-water pipe I sets up in the header, and the inlet tube setting is in secondary screening case, and sewage in the header passes through suction pump I and passes through the drinking-water pipe suction inlet tube suction secondary screening case.
Further, a plurality of layers of screens are provided in the secondary screening chamber from the top to the bottom, and the sewage pumped into the secondary screening chamber is collected at the bottom of the secondary screening chamber by filtering of the plurality of layers of screens.
Further, pumping device II includes drinking-water pipe II and suction pump II, and the one end setting of drinking-water pipe II is in secondary screening case, and the other end setting is in tertiary screening case.
Further, a plurality of toper sieving mechanism from top to bottom are provided with in the tertiary screening case, are provided with a plurality of aqua storage chambers in the toper sieving mechanism.
Compared with the prior art, the invention provides a long-path water filtering device, which has the following beneficial effects:
the sewage purification device is provided with the coarse screening box, the secondary screening box and the tertiary screening box to purify sewage for multiple times, and a plurality of screening boxes, a plurality of screens and a conical screening device are arranged to lengthen the flow path of the sewage; and through set up many water inflow runner grooves and play water runner groove on the toper filters the platform and make the sewage through secondary filterable flow path lengthening in water runner groove to carry out abundant contact and strengthen screening efficiency with a plurality of smart screens in water runner groove, can obtain the filterable sewage of different degrees through setting up a plurality of aqua storage chambers.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention.
FIG. 2 is a schematic view of a side structure of a water inlet channel of a conical filter stage according to the present invention.
FIG. 3 is a schematic view of a side structure of a water outlet channel of the conical filtering table of the present invention.
In the figure: 1-coarse screen box, 2-winding adsorption wheel, 3-connecting seat, 4-connecting cross bar, 5-supporting bar, 6-motor, 7-flow guide plate, 8-flow guide plate water outlet, 9-water collecting tank, 10-water pump I, 11-secondary screening box, 12-secondary screen, 13-water pumping pipe II, 14-water inlet funnel, 15-water outlet valve, 16-conical filtering table, 17-water inlet runner groove, 18-water outlet runner groove and 19-water storage chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-3: a long-path water filtering device comprises a coarse screen box 1, an anti-blocking device, a drainage plate 7, a water collecting tank 9, a water pumping device I, a secondary screening box 11, a water pumping device II, a tertiary screening box, a conical screening device and a water storage chamber 19, wherein a water inlet is formed in the top cover of the coarse screen box 1, the bottom plate of the coarse screen box 1 is a coarse screen mesh, the anti-blocking device is arranged in the coarse screen box 1 and comprises a winding adsorption wheel 2, a connecting cross rod 4, a connecting seat 3, a supporting rod 5, a driving shaft and a motor 6; the winding adsorption wheels 2 are arranged at the bottom of the connecting cross rod 4, magnets are arranged on the winding adsorption wheels 2 to adsorb metal impurities on the screen, the winding adsorption wheels 2 sweep the impurities on the screen and wind the impurities such as weeds on the winding wheels, two ends of the connecting cross rod 4 are fixed on the connecting seats 3, the middle part of the connecting cross rod 4 is fixedly connected to one end of the driving shaft, the connecting seats 3 at two ends of the connecting cross rod 4 are connected with the driving shaft through the supporting rods 5, the other end of the driving shaft extends out of the top cover of the coarse screen box and is connected with the motor 6 at the outer end of the top cover, the drainage plate 7 is arranged at the lower end of the coarse screen, the drainage plate 7 is an inclined solid plate, the water collection tank 9 is arranged below the lower end of the drainage plate 7, the secondary screening tank 11 is arranged below the high end of the drainage plate 7, a water outlet is arranged at the lower end of the drainage plate 7, sewage primarily filtered by, the water pumping device I comprises a water pumping pipe I, a water pumping pump I (10) and a water inlet pipe; the suction pipe I is arranged in the water collection tank, the water inlet pipe is arranged in the secondary screening tank, sewage in the water collection tank is pumped into the secondary screening tank 11 through the suction pipe through the suction pump I (10), the multi-level screen 12 is arranged in the secondary screening tank 11 from top to bottom, the sewage pumped into the secondary screening tank 11 is accumulated at the bottom of the secondary screening tank 11 through the filtering of the multi-level screen 12, the water pumping device II comprises a suction pipe II (13) and a suction pump II, one end of the suction pipe II (13) is arranged in the secondary screening tank 11, the other end of the suction pipe II is arranged in the tertiary screening tank, a plurality of conical screening devices are arranged in the tertiary screening tank from top to bottom, and a plurality of water storage chambers 19 are arranged in the conical screening devices.
The conical screening device comprises a water inlet funnel 14, the water inlet funnel 14 is arranged at the top of the three-stage screening box, and a water outlet valve 15 is arranged at a water outlet at the bottom of the water inlet funnel 14; the plurality of conical screening devices are arranged below the water inlet funnel 14 and comprise a conical filtering table 16, and a plurality of water inlet runner grooves 17 and water outlet runner grooves 18 are respectively arranged on two sides of the conical filtering table 16; the water inlet runner grooves 17 correspond to the water outlet runner grooves 18 one by one, a plurality of fine screens are arranged in the water inlet runner grooves 17 and the water outlet runner grooves 18 to filter tiny impurities in sewage, a water inlet is formed in the water inlet runner grooves 17, a water outlet is formed in the water outlet runner grooves 18, a main water outlet is formed in the lower ends of the water outlets and is connected with the water storage chamber 19, the position of the water outlet of the water storage chamber 19 corresponds to the position of the next conical filtering table, and a water outlet valve is arranged on the water outlet of the water storage chamber 19; the secondary screened water flows through the inlet funnel 14 onto the conical filter table 16 into the inlet runner channel 17 and through the outlet runner channel 18 into the reservoir 19.
Claims (6)
1. A long-path water filtering device comprises a coarse screen box, an anti-blocking device, a drainage plate, a water collecting tank, a water pumping device I, a secondary screening box, a water pumping device II, a tertiary screening box, a conical screening device and a water storage chamber, wherein a water inlet is formed in a top cover of the coarse screen box, a bottom plate of the coarse screen box is a coarse screen mesh, the anti-blocking device is arranged in the coarse screen box and comprises a winding adsorption wheel, a connecting cross rod, a connecting seat, a supporting rod, a driving shaft and a motor; a plurality of winding adsorption wheels set up the bottom at connecting the horizontal pole, it adsorbs to be provided with the metal impurities on the screen cloth to magnet on the winding adsorption wheel, the winding wheel is swept away impurity on the screen cloth and twines impurity such as weeds on the winding wheel, the both ends of connecting the horizontal pole are fixed on the connecting seat, the middle part fixed connection of connecting the horizontal pole is served at one of drive shaft, the connecting seat at connecting the horizontal pole both ends passes through bracing piece and drive shaft connection, the top cap that the other end of drive shaft stretches out the coarse screening case is connected with the motor of top cap outer end, the drainage plate sets up the lower extreme at the coarse screening net, the drainage plate is the solid slab of slope form, the header tank sets up the below at the drainage plate low side, secondary screening case sets up the high-end below at the drainage plate, the low side of drainage plate is provided with the delivery port.
2. The long path water filtration device of claim 1, wherein: the water pumping device I comprises a water pumping pipe I, a water pumping pump I and a water inlet pipe; the drinking-water pipe I sets up in the header, and the inlet tube setting is in secondary screening case, and sewage in the header passes through suction pump I and passes through the drinking-water pipe suction inlet tube suction secondary screening case.
3. The long path water filtration device of claim 2, wherein: the secondary screening box is provided with a plurality of layers of screens from top to bottom, and sewage pumped into the secondary screening box is collected at the bottom of the secondary screening box through the filtration of the plurality of layers of screens.
4. The long path water filtration device of claim 3, wherein: and the water pumping device II comprises a water pumping pipe II and a water pumping pump II, one end of the water pumping pipe II is arranged in the secondary screening box, and the other end of the water pumping pipe II is arranged in the tertiary screening box.
5. The long path water filtration device of claim 4, wherein: a plurality of conical screening devices are arranged in the three-stage screening box from top to bottom, and a plurality of water storage chambers are arranged in the conical screening devices.
6. The long path water filtration device of claim 5, wherein: the conical screening device comprises a water inlet funnel, the water inlet funnel is arranged at the top of the three-stage screening box, and a water outlet valve is arranged at a water outlet at the bottom of the water inlet funnel; the plurality of conical screening devices are arranged below the water inlet funnel and comprise a conical filtering table, and a plurality of water inlet runner grooves and water outlet runner grooves are respectively arranged on two sides of the conical filtering table; the water inlet runner grooves and the water outlet runner grooves are in one-to-one correspondence, a plurality of fine screen meshes are arranged in the water inlet runner grooves and the water outlet runner grooves and are used for filtering micro impurities in sewage, water inlets are formed in the water inlet runner grooves, water outlets are formed in the water outlet runner grooves, total water outlets are formed in the lower ends of the water outlets, the total water outlets are connected with the water storage chamber, the position of the water outlet of the water storage chamber corresponds to the position of the next conical filtering table, and a water outlet valve is arranged on the water outlet of the water storage chamber; the water flow after secondary screening flows to the conical filtering table through the water inlet funnel, flows into the water inlet runner groove and flows into the water storage chamber through the water outlet runner groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967296.7A CN110590050A (en) | 2019-10-12 | 2019-10-12 | Long path water filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967296.7A CN110590050A (en) | 2019-10-12 | 2019-10-12 | Long path water filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110590050A true CN110590050A (en) | 2019-12-20 |
Family
ID=68866709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967296.7A Pending CN110590050A (en) | 2019-10-12 | 2019-10-12 | Long path water filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110590050A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566927Y (en) * | 2002-11-28 | 2003-08-20 | 中国水产科学研究院黑龙江水产研究所渔机试验厂 | Floating-ball type automatic layering filter device for sewage |
| KR20080004142A (en) * | 2006-07-04 | 2008-01-09 | 주식회사 텍풀이엔씨 | The primary stage rainwater management and simplicity a prompt system for small waterworks |
| US7638061B2 (en) * | 2004-09-03 | 2009-12-29 | Hennig Incorporated | Coolant fluid cleaning method, system, and apparatus |
| CN203653326U (en) * | 2013-12-18 | 2014-06-18 | 青岛金源环境工程有限公司 | Aeration wastewater treatment device |
| CN204958590U (en) * | 2015-07-28 | 2016-01-13 | 浙江金佰利环境科技有限公司 | Simple and easy sewage treatment unit |
| KR101614687B1 (en) * | 2015-07-06 | 2016-04-22 | 주식회사 휴먼네트워크 | W-type screen device installed in rainwater purifying equipment |
| CN205902663U (en) * | 2016-07-25 | 2017-01-25 | 吴健隆 | Filter for aquarium |
| CN206843275U (en) * | 2017-04-20 | 2018-01-05 | 南方创业（天津）科技发展有限公司 | A kind of NEW TYPE OF COMPOSITE sewage-treatment plant |
| CN107986575A (en) * | 2017-12-20 | 2018-05-04 | 珠海智星荟科技服务有限公司 | A kind of filtration apparatus for river sewage purification |
| CN207537274U (en) * | 2017-11-26 | 2018-06-26 | 清远市三联塑料有限公司 | A kind of plastic processing waste liquid Environmental-protection dust removal device |
| CN207659205U (en) * | 2017-12-06 | 2018-07-27 | 山东环能环保科技有限公司 | A kind of sewage-treatment plant of triple filter |
| CN207877437U (en) * | 2017-12-25 | 2018-09-18 | 河北缔景羊绒服饰有限公司 | A kind of dyeing and printing sewage reclaimer for textile process |
| CN208757113U (en) * | 2018-03-27 | 2019-04-19 | 江苏建筑职业技术学院 | Multiple drainage device |
| CN208893748U (en) * | 2018-10-12 | 2019-05-24 | 华北水利水电大学 | A kind of water conservancy construction engineering water bimodulus purification system |
| CN110104887A (en) * | 2019-05-21 | 2019-08-09 | 成都首创环境工程有限公司 | Positive infiltration domestic sewage treatment device and processing method |
-
2019
- 2019-10-12 CN CN201910967296.7A patent/CN110590050A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566927Y (en) * | 2002-11-28 | 2003-08-20 | 中国水产科学研究院黑龙江水产研究所渔机试验厂 | Floating-ball type automatic layering filter device for sewage |
| US7638061B2 (en) * | 2004-09-03 | 2009-12-29 | Hennig Incorporated | Coolant fluid cleaning method, system, and apparatus |
| KR20080004142A (en) * | 2006-07-04 | 2008-01-09 | 주식회사 텍풀이엔씨 | The primary stage rainwater management and simplicity a prompt system for small waterworks |
| CN203653326U (en) * | 2013-12-18 | 2014-06-18 | 青岛金源环境工程有限公司 | Aeration wastewater treatment device |
| KR101614687B1 (en) * | 2015-07-06 | 2016-04-22 | 주식회사 휴먼네트워크 | W-type screen device installed in rainwater purifying equipment |
| CN204958590U (en) * | 2015-07-28 | 2016-01-13 | 浙江金佰利环境科技有限公司 | Simple and easy sewage treatment unit |
| CN205902663U (en) * | 2016-07-25 | 2017-01-25 | 吴健隆 | Filter for aquarium |
| CN206843275U (en) * | 2017-04-20 | 2018-01-05 | 南方创业（天津）科技发展有限公司 | A kind of NEW TYPE OF COMPOSITE sewage-treatment plant |
| CN207537274U (en) * | 2017-11-26 | 2018-06-26 | 清远市三联塑料有限公司 | A kind of plastic processing waste liquid Environmental-protection dust removal device |
| CN207659205U (en) * | 2017-12-06 | 2018-07-27 | 山东环能环保科技有限公司 | A kind of sewage-treatment plant of triple filter |
| CN107986575A (en) * | 2017-12-20 | 2018-05-04 | 珠海智星荟科技服务有限公司 | A kind of filtration apparatus for river sewage purification |
| CN207877437U (en) * | 2017-12-25 | 2018-09-18 | 河北缔景羊绒服饰有限公司 | A kind of dyeing and printing sewage reclaimer for textile process |
| CN208757113U (en) * | 2018-03-27 | 2019-04-19 | 江苏建筑职业技术学院 | Multiple drainage device |
| CN208893748U (en) * | 2018-10-12 | 2019-05-24 | 华北水利水电大学 | A kind of water conservancy construction engineering water bimodulus purification system |
| CN110104887A (en) * | 2019-05-21 | 2019-08-09 | 成都首创环境工程有限公司 | Positive infiltration domestic sewage treatment device and processing method |
Non-Patent Citations (3)
| Title |
|---|
| 《化学工程手册》编辑委员会: "《化学工程手册》", 30 October 1989, 化学工业出版社 * |
| TROGER RIKARD ET. AL: ""Micropollutants in drinking water from source to tap - Method development and application of a multiresidue screening method"", 《SCIENCE OF THE TOTAL ENVIRONMENT》 * |
| 史万明等: ""煤矿采区煤泥水处理技术探讨"", 《煤矿机电》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110143730B (en) | Sewage treatment device capable of treating particulate matters through multistage grading and layering | |
| CN107459219B (en) | Purifying structure for cyclone reinforced filtration and purifying method thereof | |
| CN105688504A (en) | Water purification device with service life capable of being prolonged | |
| CN207878553U (en) | A kind of autocontrol afforestation rain water collecting system | |
| CN108128920B (en) | Sewage filtering device | |
| CN108083480A (en) | Integrated Emergency management device is denitrogenated in a kind of ceramic membrane separation decarburization | |
| CN110451714A (en) | A kind of multi-stage sewage treatment device | |
| CN109650587B (en) | Multistage gardens sewage regeneration system that subsides | |
| CN207918553U (en) | Integrated Emergency management device is denitrogenated in a kind of ceramic membrane separation decarburization | |
| CN110590050A (en) | Long path water filtering device | |
| CN103432820A (en) | Efficient suction filtration settling pond | |
| CN203469661U (en) | High-efficiency suction filtration type sedimentation basin | |
| CN205953569U (en) | Sewage purification processing device | |
| CN202366622U (en) | Sewage purification equipment | |
| CN207918649U (en) | A kind of pretreatment unit of sewage draining exit | |
| CN202962053U (en) | Rainwater automatic filtering purifier | |
| CN208852539U (en) | A kind of sewage filter device | |
| CN207877423U (en) | Mineral water multi-stage, efficient adsorption filtration system | |
| CN202089813U (en) | Integral water purifier | |
| CN208485690U (en) | A kind of central water purifier with Membrane cleaning device | |
| CN102381802B (en) | Sewage treatment device | |
| CN204643989U (en) | The one-level A of application titanium metal film strainer marks Water quality processing system | |
| CN205235574U (en) | Sewage treating pond | |
| CN221420914U (en) | Multistage filtration system and water purification equipment | |
| CN204058151U (en) | Domestic full-automatic Multifunctional water purification pure water oxygen enricher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |