CN106315938A - Wastewater treatment facility - Google Patents

Wastewater treatment facility Download PDF

Info

Publication number
CN106315938A
CN106315938A CN201610898992.3A CN201610898992A CN106315938A CN 106315938 A CN106315938 A CN 106315938A CN 201610898992 A CN201610898992 A CN 201610898992A CN 106315938 A CN106315938 A CN 106315938A
Authority
CN
China
Prior art keywords
division board
chamber
sewage treatment
treatment equipment
pond
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.)
Granted
Application number
CN201610898992.3A
Other languages
Chinese (zh)
Other versions
CN106315938B (en
Inventor
林家葳
金兆旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Lvye Environmental Engineering Co Ltd
Original Assignee
Taizhou Lvye Environmental Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taizhou Lvye Environmental Engineering Co Ltd filed Critical Taizhou Lvye Environmental Engineering Co Ltd
Priority to CN201610898992.3A priority Critical patent/CN106315938B/en
Publication of CN106315938A publication Critical patent/CN106315938A/en
Application granted granted Critical
Publication of CN106315938B publication Critical patent/CN106315938B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/465Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus

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 Electricity Or Magnetism (AREA)

Abstract

The invention discloses a wastewater treatment facility. After reagents in a certain proportion are prepared, a first division board can be opened; since the first division board is opened in a rotating mode, the drugs in the dosing tank can react with wastewater in the reaction chamber in the opening process; and after the reaction is sufficient in the reaction chamber, a second division board is opened, and the mixture enters an electrical floatation chamber to complete thorough electrode electrolysis and floatation treatment and is finally discharged out of the discharge chamber. By adding the division boards and driving mechanism, the reaction degree, electrolysis degree and floatation treatment degree can be controlled according to the wastewater pollution degree. The wastewater treatment facility can not influence the original reaction tank volume, and has the advantages of reasonable structure and thorough wastewater treatment.

Description

Sewage treatment equipment
Technical field
The present invention relates to sewage treatment equipment, more particularly, it relates to a kind of sewage treatment equipment.
Background technology
At present, all ratios of the sewage treatment equipment on market are relatively large, and it is also great for processing wastewater flow rate, but this waste water Processing equipment not only floor space is big, and fund input is high, is not suitable for the daily waste water process in family, small-sized restaurant.Logical Chang Jiating, the waste water in small-sized restaurant, each discharge capacity is few and to discharge frequency high, because not having suitable environmental protection equipment Illegal discharge phenomenon, its most discharging modes be all be directly discharged into underground or enter drainage pipeline be emitted into neighbouring river River, causes environmental pollution.
To this end, the Chinese invention patent of Application No. 200310100829.0 discloses a kind of waste water purification device, waste water Purifier, is provided with process pond and distribution box, is sequentially provided with dosing tank and reative cell, under reative cell in the side in described process pond Portion is provided with inlet opening, and the opposite side in process pond is provided with its inwall of clear water reserviors and is provided with apopore, processes the nearly described reative cell in bottom, pond Place is provided with electric air floating device, is provided with inclined tube device at described clear water reserviors, processes top, pond and is provided with skimming plant, and its end is provided with Dirt-excluding groove, processes and is provided with sludge-tank bottom pond.
But this technical scheme there is problems in that because being small-sized processor, at whole reaction tank volume only biochemistry The 1/10 of reason device, and the unreasonable design of its structure, medicine moment in dosing tank can be caused to mix, when the most complete with waste water When reacting thoroughly, waste water is just discharged, whole purification process, it is impossible to conservative control dose and the ratio of waste water, causes medicine Thing is wasted or is difficult to be fully cleaned up waste water.
Summary of the invention
It is an object of the invention to provide a kind of sewage treatment equipment, not only volume is little, and its structure is the most reasonable, and Can realize medicine and waste water fully reacts, be then exhausted from after purifying totally, waste water processes the most thorough.
The above-mentioned purpose of the present invention has the technical scheme that
A kind of sewage treatment equipment, including processing pond and distribution box, processes top, pond and is provided with skimming plant, and described process pond is successively Including dosing pond, reative cell, the most floating chamber and drain chamber, bottom described process pond, it is provided with support, described dosing pond and reaction Being provided with the first division board between room, be provided with the second division board between reative cell and the most floating chamber, being provided with on described support is driven The first drive mechanism that dynamic first division board opens and closes in a rotative pattern and drive that the second division board opens and closes with up-down mode the Two drive mechanisms.
By using technique scheme, the first division board can be opened after preparing a certain proportion of medicine, because being Rotation mode is opened, it is achieved that open the medicine in dosing pond and the waste water reaction in reative cell, instead After answering room fully to react, open the second division board, enter the most floating chamber and complete electrolysis and air-flotation process up hill and dale, finally It is discharged in drain chamber again, because having added division board and drive mechanism, such that it is able to control reaction according to the pollution level of waste water Degree, electrolysis degree and air supporting degree for the treatment of, do not interfere with original reaction tank volume, rational in infrastructure, and waste water processes the most thorough The end.
Preferably, described first drive mechanism is the first electric rotating machine, when driving the first division board Guan Bi, and the first division board It is tightly connected with the sidewall processing pond.
By use technique scheme, substantially ensure that when the first division board is in closure state, the first division board and Process pond tight seal, prevent the liquid leakage mixing between different chamber.
Preferably, described electrically floating is provided with the 3rd division board between chamber and drain chamber, the height of the 3rd division board is less than The most floating chamber and the degree of depth of drain chamber;Skimming plant includes scraper plate, the second electric rotating machine and axial restraint, rotates in a circumferential direction Screw mandrel, described second electric rotating machine is fixedly installed in the second division board.
By using technique scheme, a motor, open the second division board and make reacted waste water enter electric floating Chamber, simultaneously drives skimming plant and is purged electrically floating the work of chamber roof dregs, improves work efficiency, and structure is closed simultaneously Reason, volume is little.
Preferably, it is provided with vibration damping sheet between described second division board and the second electric rotating machine.
By using technique scheme, prevent the vibration that electric machine rotation produces, cause electrically floating formation in the water of chamber The micro-bubble of high degree of dispersion, it is difficult to steeping the solid or liquid particles adhering to hydrophobic group in waste water, it is impossible to formation water-gas- Grain three-phase mixed system, fully ensures that waste water high-efficiency purifies.
Preferably, described first division board is fixedly connected with the 4th division board, and the two be projected in bottom process pond in " ten " font.
By use technique scheme, close the first division board time, the first division board and the second division board at least Dosing pond and reative cell divide into four chambers, the process that opening process the most intermittently opens and closes, the most really Protect the liquid in each chamber have passed through abundant, mix uniformly, can select to be partially into the most floating chamber, it is also possible to select Fully enter the most floating chamber, wastewater flow rate and the response time of purification can be controlled according to practical situation.
Preferably, described drain chamber includes being placed in guide plate, slant rail, slag-drip opening and discharge outlet, guide plate one end court To electric floating chamber, other end linking slant rail, UNICOM's slag-drip opening bottom slant rail, discharge outlet is positioned at top in the middle part of slant rail.
By using technique scheme, the dregs that scraper plate is scraped enter slant rail via guide plate, and dregs are by action of gravity Automatically sliding to slag-drip opening, and can flow out via discharge outlet through the water of purified treatment, whole action is accomplished without any letup, and structure is closed Reason.
Preferably, described support is provided with explosive box, and explosive box opening part is provided with stop valve, and stop valve signal connects control The control device of its automatic open close.
By using technique scheme, can automatically add medicine according to the waste water degree for the treatment of in reaction tank, improve While efficiency, fully ensure that purification thoroughly, will not cause again drug waste simultaneously.
Preferably, described support is cart type structure, and bottom is provided with runner.
By using technique scheme, convenient move this effluent purifying device whenever and wherever possible, it is not necessary to think carrying waste water Purified treatment, convenient use is carried out to appointed place.
In sum, the method have the advantages that
1. the present invention is the wastewater disposal basin of original each chamber conducting, is isolated by dividing plate, with the function of each chamber clear and definite And boundary so that process controlled to the process of waste water in pond, can survey, it is ensured that process thorough after discharge again;
2. simultaneously, the drive mechanism set up, and to the first division board and the control mode of the second division board, preparing a definite proportion After the medicine of example, open the first division board, because being that rotation mode is opened, it is achieved that open in dosing pond Medicine and reative cell in waste water reaction, after reative cell fully reacts, open the second division board, enter the most floating chamber complete Become electrolysis and air-flotation process up hill and dale, be discharged in drain chamber the most again, such that it is able to according to the pollution level control of waste water The extent of reaction processed, electrolysis degree and air supporting degree for the treatment of, do not interfere with original reaction tank volume, rational in infrastructure, and waste water processes The most thorough;
3. second driving electric motor starting, wherein a motor shaft is risen with the second division board, separately by the linkage of worm and gear Piece motor shaft with scraper plate towards guide plate one side shifting;If division board declines, then scraper plate is transported towards the 3rd division board side Dynamic, simplify the structure of drive mechanism, reduce manufacturing cost, improve drive efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of embodiment 1;
Fig. 2 is the top view of embodiment 1;
1, support;11, bottom mounting seat;12, seat is carried out;121, installing frame;122, installing plate;123, runner;2, pond is processed; 21, dosing pond;22, reative cell;23, chamber is electrically floated;24, drain chamber;241, guide plate;242, slant rail;243, slag-drip opening; 244, discharge outlet;25, the first division board;26, the second division board;260, mounting seat;261, left second division board;262, right second Division board;27, the 3rd division board;28, the 4th division board;20, the first drive mechanism;29, the second drive mechanism;291, the second rotation Rotating motor;292, worm gear;293, worm screw;294, vibration damping sheet;295, screw mandrel;296, scraper plate;290 skimming plants;3, distribution box;4、 Control device;5, explosive box;6, stop valve.
Detailed description of the invention
Embodiment 1
A kind of sewage treatment equipment, including support 1, processes pond 2 and distribution box 3.
Support 1 is in cart type structure, and it includes bottom mounting seat 11 and carries out seat 12, and bottom mounting seat 11 is towards ground Side is provided with runner 12313, for promoting the most on the ground;Carry out seat 12 and include installing frame 121 and installing plate from the bottom to top 122.The added explosive box 5 that is provided with of installing plate 122, explosive box 5 opening part is provided with stop valve 6, and the connection of stop valve 6 signal controls it certainly The dynamic control device 4 opened and closed.Distribution box 3 and control device 4 are all fixedly mounted on installing frame 121.
Described process pond 2 includes dosing pond 21, reative cell 22, the most floating chamber 23 and drain chamber 24, described dosing successively Being provided with the first division board 25 between pond 21 and reative cell 22, described first division board 25 is fixedly connected with the 4th division board 28, and The two is projected in bottom process pond 2 in " ten " font;It is provided with the second division board 26, institute between reative cell 22 and the most floating chamber 23 Stating electrically to float and be provided with the 3rd division board 27 between chamber 23 and drain chamber 24, the height of the 3rd division board 27 should be less than the most floating Chamber 23 and the degree of depth of drain chamber 24, so that the liquid in the most floating chamber 23 can be free to enter in drain chamber 24.
Being provided with on described support 1 drives the first drive mechanism 5 of the first division board 25 keying, described first drive mechanism 5 is the first electric rotating machine, and when driving the first division board 25 to close, the first division board 25 and the sidewall processing pond 2 are tightly connected;Drive When dynamic first division board 25 is opened, the first division board 25 is opened in a rotative pattern with process pond 2, concurrently forms a stirring Action so that the mutual mix homogeneously of segregate liquid.
Described second division board 26 include being positioned at a left side second division board 261 of the second electric rotating machine 291 both sides, right second every From plate 262 and the fixing mounting seat 260 connecting the two, being provided with on described support 1 drives the second division board 26 with lifting side The second driving machine 29 that formula opens and closes, the second drive mechanism 29 includes the second electric rotating machine 291, worm gear 292 and worm screw 293, second Electric rotating machine 291 is dual-axle motor, and a wherein axle of dual-axle motor is connected worm gear 292, and worm gear 292 engages connection worm screw 293, worm screw 293 is fixing connects the second division board 26.I.e. second electric rotating machine 291 rotates, and drives worm gear 292 to rotate, worm gear 292 Driving worm screw 293 to lift, worm screw is fixed in mounting seat 260, and mounting seat 260 left second division board 261 He of fixing connection Right second division board 262, thus left second division board 261 and right second division board 262 are with worm screw synchronization lifting.
3rd division board 27 upper end is fixed with mounting seat 260, and dual-axle motor is fixedly mounted on mounting seat 260 upper end, and Being provided with vibration damping sheet 294 between the two, meanwhile, another root axle of dual-axle motor is connected axial restraint, the silk that rotates in a circumferential direction Bar 295, screw mandrel 295 is connected scraper plate 296 circumferentially fixed, that move axially, wherein an axle and the screw mandrel of dual-axle motor 295, scraper plate 296 collectively forms skimming plant 290.
Described drain chamber 24 includes being placed in guide plate 241, slant rail 242, slag-drip opening 243 and discharge outlet 244, guide plate 241 one end are towards electric floating chamber, and the other end is connected slant rail 242, UNICOM's slag-drip opening 243 bottom slant rail 242, discharge outlet 244 It is positioned at top in the middle part of slant rail 242.
Needing exist for explanation, second drives motor 291 to start, and wherein a motor shaft is by worm gear 292, worm screw The linkage of 293 rises with the second division board 26, another root motor shaft with scraper plate 296 towards guide plate 241 1 side shifting;If Second division board 26 declines, then scraper plate 296 is towards the 3rd division board 27 1 lateral movement, and the preferably second division board 26 rises to top During point position, just scraper plate 296 moves at guide plate 241.
Embodiment 2
As different from Example 1, the power source of the second drive mechanism 29 separates with the power source of skimming plant 290, and oil skimming fills The power source putting 290 is the second driving motor, the second drive mechanism 29 be the 3rd drive motor, and first drive motor, second Motor, the 3rd driving motor is driven to be single shaft motor.
Embodiment 3
As different from Example 1, the power source of the second drive mechanism 29 separates with the power source of skimming plant 290, and oil skimming fills The power source putting 290 is the second driving motor, and the second drive mechanism 29 is telescopic cylinder or hydraulic cylinder.

Claims (9)

1. a sewage treatment equipment, including processing pond (2) and distribution box (3), processes pond (2) top and is provided with skimming plant (290), described process pond (2) includes dosing pond (21), reative cell (22) successively, electrically floats chamber (23) and drain chamber (24), It is characterized in that: described process pond (2) bottom is provided with support (1), is provided with first between described dosing pond (21) and reative cell (22) Division board (25), is provided with the second division board (26), setting on described support (1) between reative cell (22) and the most floating chamber (23) Have drive the first division board (25) the first drive mechanism (20) of opening and closing in a rotative pattern and drive the second division board (26) with The second drive mechanism (29) that up-down mode opens and closes.
Sewage treatment equipment the most according to claim 1, is characterized in that: described first drive mechanism (20) is the first rotation Motor, when driving the first division board (25) to close, the first division board (25) and the sidewall processing pond (2) are tightly connected.
Sewage treatment equipment the most according to claim 1, is characterized in that: the most floating described chamber (23) and drain chamber (24) Between be provided with the 3rd division board (27), the height of the 3rd division board (27) is deep less than electrically floating chamber (23) and drain chamber (24) Degree;The screw mandrel that skimming plant (290) includes scraper plate (296), the second electric rotating machine (291) and axial restraint, rotates in a circumferential direction (295), described second electric rotating machine (291) is fixedly installed in the second division board (26).
Sewage treatment equipment the most according to claim 3, is characterized in that: described second electric rotating machine (291) is twin shaft electricity Machine, another axle of dual-axle motor is connected worm gear (292), and worm gear (292) engagement connection has worm screw (293), and worm screw (293) is solid Surely the second division board (26) is connected.
Sewage treatment equipment the most according to claim 3, is characterized in that: described second division board (26) and the second electric rotating Vibration damping sheet (294) it is provided with between machine (291).
Sewage treatment equipment the most according to claim 1, is characterized in that: described first division board (245) is fixedly connected with 4th division board (28), and the two be projected in process pond (2) bottom in " ten " font.
Sewage treatment equipment the most according to claim 1, is characterized in that: described drain chamber (24) includes being placed in guide plate (241), slant rail (242), slag-drip opening (243) and discharge outlet (244), guide plate (241) one end towards electric floating chamber, another End linking slant rail (242), slant rail (242) bottom UNICOM's slag-drip opening (243), discharge outlet (244) is positioned in slant rail (242) Above portion.
Sewage treatment equipment the most according to claim 1, is characterized in that: described support (1) is provided with explosive box (5), storage Medicine-chest (5) opening part is provided with stop valve (6), and stop valve (6) signal connects the control device (4) controlling its automatic open close.
Sewage treatment equipment the most according to claim 1, is characterized in that: described support (1) is cart type structure, and bottom sets There is runner (123).
CN201610898992.3A 2016-10-14 2016-10-14 Sewage treatment equipment Active CN106315938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610898992.3A CN106315938B (en) 2016-10-14 2016-10-14 Sewage treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610898992.3A CN106315938B (en) 2016-10-14 2016-10-14 Sewage treatment equipment

Publications (2)

Publication Number Publication Date
CN106315938A true CN106315938A (en) 2017-01-11
CN106315938B CN106315938B (en) 2019-08-30

Family

ID=57817868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610898992.3A Active CN106315938B (en) 2016-10-14 2016-10-14 Sewage treatment equipment

Country Status (1)

Country Link
CN (1) CN106315938B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342636A (en) * 2019-08-07 2019-10-18 天津安禹水利工程有限公司 A kind of aerobic tank for the treatment of of dyeing wastewater
CN111085073A (en) * 2020-01-13 2020-05-01 佛山市顺德区斯高家具有限公司 Furniture preparation system with dust collector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2488907Y (en) * 2000-11-17 2002-05-01 吴长虹 Wastewater treatment device
CN1605569A (en) * 2003-10-06 2005-04-13 林军 Waste water purifying installation
CN101708585A (en) * 2009-10-21 2010-05-19 陈小青 Crystal ball face milling machine
CN203794664U (en) * 2014-04-28 2014-08-27 张建坤 Microwave sewage treatment system
CN205076927U (en) * 2015-11-09 2016-03-09 周栋 Automatic change waste water treatment equipment
CN205504085U (en) * 2016-04-08 2016-08-24 深圳大然新风科技有限公司 Three -way cutoff valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2488907Y (en) * 2000-11-17 2002-05-01 吴长虹 Wastewater treatment device
CN1605569A (en) * 2003-10-06 2005-04-13 林军 Waste water purifying installation
CN101708585A (en) * 2009-10-21 2010-05-19 陈小青 Crystal ball face milling machine
CN203794664U (en) * 2014-04-28 2014-08-27 张建坤 Microwave sewage treatment system
CN205076927U (en) * 2015-11-09 2016-03-09 周栋 Automatic change waste water treatment equipment
CN205504085U (en) * 2016-04-08 2016-08-24 深圳大然新风科技有限公司 Three -way cutoff valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342636A (en) * 2019-08-07 2019-10-18 天津安禹水利工程有限公司 A kind of aerobic tank for the treatment of of dyeing wastewater
CN111085073A (en) * 2020-01-13 2020-05-01 佛山市顺德区斯高家具有限公司 Furniture preparation system with dust collector

Also Published As

Publication number Publication date
CN106315938B (en) 2019-08-30

Similar Documents

Publication Publication Date Title
JP5961756B2 (en) Biological sewage treatment apparatus and method
CN107200420A (en) A kind of energy saving and environment friendly circulation for wet fuel gas desulfurizing technology
CN108217880A (en) A kind of sewage disposal flocculation plant based on unordered stirring technique
CN110577341A (en) Rural plant effluent treatment plant
CN106315938A (en) Wastewater treatment facility
CN208414063U (en) Purifying domestic sewage regenerating unit
CN219279683U (en) Strip mine coal mining wastewater treatment device
CN207031112U (en) A kind of continous way integrated sewage treating apparatus
CN105753147A (en) Controllable double-circulation anaerobic reactor and application
CN205740649U (en) A kind of offshore platform high salt life sewage treatment and reuse device
CN105712579B (en) A kind of offshore platform life sewage treatment and reuse device with high salt
CN205803171U (en) A kind of electric power plant circulating water is except system on silicon
CN113716796A (en) Dissolved fatty acid wastewater pretreatment device and treatment process
CN206666280U (en) A kind of wastewater from chemical industry purifier
CN107935214A (en) One kind is stirred type sewage-treatment plant
CN205419912U (en) Circulatingly oxygenate biochemical ware
CN216687832U (en) Landfill leachate concentrate full-quantization processing device
CN118062963A (en) Sewage treatment control method and device for plateau expressway service area
CN215742954U (en) A charge device for clearing up sewage
CN220078759U (en) Purification assembly of phosphate radical in sewage
CN221253966U (en) Ore dressing medicament waste water treatment device
CN220012171U (en) Ground large-scale groundwater treatment water tank and groundwater treatment system
CN219929659U (en) High-efficient processing apparatus of landfill leachate
CN220223758U (en) Thallium-containing wastewater integrated treatment equipment
CN217148725U (en) Sequencing batch sewage treatment system using activated sludge

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant