CN109248498A - A kind of dehydration agitator - Google Patents
A kind of dehydration agitator Download PDFInfo
- Publication number
- CN109248498A CN109248498A CN201710577490.5A CN201710577490A CN109248498A CN 109248498 A CN109248498 A CN 109248498A CN 201710577490 A CN201710577490 A CN 201710577490A CN 109248498 A CN109248498 A CN 109248498A
- Authority
- CN
- China
- Prior art keywords
- staving
- filter
- dehydration
- drain pipe
- agitator
- 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
- 230000018044 dehydration Effects 0.000 title claims abstract description 24
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 38
- 239000000706 filtrate Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000011010 flushing procedure Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000013055 pulp slurry Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of dehydration agitator, the agitator includes staving and is mounted on the agitating paddle in staving for stirring, drain pipe is fixedly installed in the bottom of staving, several cartridge filters being connected to drain pipe are vertically provided on drain pipe, it is set with the filter cloth cover for facilitating filtrate to enter cartridge filter on cartridge filter, the filter hole of several and filter cloth cover cooperation is equipped on cartridge filter；It is communicated with the evacuated tube that the other end stretches out staving on the drain pipe, exhaust-valve, filtrate tank and vacuum pump are successively arranged in the evacuated tube outside staving；It is also communicated with the backwash water pipe for rinsing filter cloth cover in evacuated tube between exhaust-valve and staving, is equipped with flushing valve on backwash water pipe.Dehydration stirring barrel structure provided by the invention is simple, occupied area is small, can be dehydrated one step ahead, be improved to the concentration of mine ore pulp before ore dressing filtering or filters pressing, and then improve the operating efficiency of filtering or filtering equipment.
Description
Technical field
The present invention relates to a kind of dehydration agitating device, especially a kind of dehydration agitator.
Background technique
Currently, domestic dressing plant mostly uses concentrator to be carried out dehydrating greatly when carrying out dehydration concentration, but this
Processing mode takes up a large area, and needs that height difference is big, investment cost is high, and on the one hand many dressing plants do not have build it is dense
The condition of machine, on the other hand many dressing plants be filtered, filter-press dehydration when, if it is lower to feed pulp density, be easy to cause
Filtering, filtering equipment device efficiency can not play situation completely, not only beneficiating efficiency is low, and significantly increase ore dressing at
This.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide, a kind of structure is simple, operation side
Just, occupied area, account for the lesser dehydration agitator of height difference.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of dehydration
Agitator, the agitator include staving and are mounted on the agitating paddle in staving for stirring, be fixedly installed in the bottom of staving
Drain pipe is vertically provided with several cartridge filters being connected to drain pipe on drain pipe, is set on cartridge filter and filtrate is facilitated to enter
The filter cloth cover of cartridge filter is equipped with the filter hole of several and filter cloth cover cooperation on cartridge filter.
The technical problems to be solved by the invention can also be further realized by technical solution below, the drain
Be communicated on pipe the other end stretch out staving evacuated tube, be successively arranged in the evacuated tube outside staving exhaust-valve, filtrate tank and
Vacuum pump.
The technical problems to be solved by the invention can also be further realized by technical solution below, in exhaust-valve
It is also communicated with the backwash water pipe for rinsing filter cloth cover in evacuated tube between staving, is equipped with and rinses on backwash water pipe
Valve.
The technical problems to be solved by the invention can also be further realized by technical solution below, the filtering
Cylinder is uniformly arranged along the circumferential direction of staving.
The technical problems to be solved by the invention can also be further realized by technical solution below, the filter cloth
Set from top to bottom covers on cartridge filter, and the running-on for filtering cloth set is pressed on cartridge filter by filter cloth compression ring.
The technical problems to be solved by the invention can also be further realized by technical solution below, the filtering
The diameter in hole is 10mm-15mm.
The technical problems to be solved by the invention can also be further realized by technical solution below, the drain
Manage annular in shape or oval ring-type.
The technical problems to be solved by the invention can also be further realized by technical solution below, the staving
Top be equipped with and facilitate the grout outlet of pulp, the bottom of staving is equipped with the blow-down pipe for blowdown, and emptying is equipped on blow-down pipe
Valve.
Compared with prior art, the present invention is cooperated by filter cloth cover and cartridge filter, so that the filtrate in ore pulp is from ore pulp
Separation, can be improved filtering or filtering equipment to the concentration of mine ore pulp, facilitates and be first dehydrated before filtering or filters pressing to ore pulp
The link of processing, to effectively improve the operating efficiency of filtering or filtering equipment；Secondly, backwash water pipe can be to filter cloth cover
It is backwashed, keeps the permeability of filter cloth cover, to guarantee the normal table work of the agitator.Barrel structure is stirred in the dehydration
Simply, occupied area is small, can be dehydrated one step ahead before ore dressing filtering or filters pressing, improves to the concentration of mine ore pulp, Jin Erti
The operating efficiency of high filtration or filtering equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is a kind of top view of the invention；
Fig. 3 is a kind of structural schematic diagram of cartridge filter of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1-3, a kind of dehydration agitator, the agitator include staving 1 and are mounted on stirring for stirring in staving 1
Paddle 2 is mixed, drain pipe 3 is fixedly installed in the bottom of staving 1, several mistakes being connected to drain pipe 3 is vertically provided on drain pipe 3
Filter cylinder 4 is set with the filter cloth cover 5 for facilitating filtrate to enter cartridge filter 4 on cartridge filter 4, several and filter cloth are equipped on cartridge filter 4
The filter hole 17 of 5 cooperation of set.The power mechanism for driving agitating paddle 2 to rotate, power mechanism packet are also fixedly installed on staving 1
Rotating electric machine is included, rotating electric machine is sequentially connected by transmission mechanism and agitating paddle 2；Filter cloth cover 5 and filter hole 17 cooperate, and facilitate mine
Filtrate in slurry enters cartridge filter 4, enters back into drain pipe 3 through cartridge filter 4, to realize the dehydration of ore pulp；The drain
Pipe 3 is ring row liquid pipe 3, convenient for the setting of filter vat；The setting of drain pipe 3 is deposited for concentrate the filtrate isolated
Storage, facilitates subsequent discharge.
The evacuated tube 6 that the other end stretches out staving 1 is also communicated on the drain pipe 3, in the evacuated tube 6 outside staving 1
It is successively arranged exhaust-valve 7, filtrate tank 8 and vacuum pump 9.Staving 1 is protruded into one end of evacuated tube 6 and cylinder annular drain pipe 3 connects
Logical, filtrate tank 8 carries out concentration discharge for the filtrate in drain pipe 3 to be collected；The setting of vacuum pump 9 is for filtrate
Tank 8 carries out vacuumize process, and filtrate is rapidly introduced into filtrate tank 8.
The backwash water pipe for backwashing filter cloth cover 5 is also communicated in evacuated tube 6 between exhaust-valve 7 and staving 1
10, flushing valve 11 is equipped on backwash water pipe 10.The setting of flushing valve 11 is for controlling the opening and closing of wash tub pipe；In needs pair
When filter cloth cover 5 rinses, exhaust-valve 7 is closed, opens flushing valve 11, the ejected wash water in wash tub pipe flows successively through evacuated tube 6, drain
Pipe 3 and cartridge filter 4 backwash filter cloth cover 5.
The cartridge filter 4 is uniformly arranged along the circumferential direction of staving 1.Cartridge filter 4 is uniformly arranged on drain pipe 3, facilitates filtrate
Into cartridge filter 4, to improve the dehydration efficiency of ore pulp.
The filter cloth cover 5 from top to bottom covers on cartridge filter 4, and the running-on for filtering cloth set 5 is compressed by filter cloth compression ring 12
On cartridge filter 4.The setting of filter cloth compression ring 12 dismounts filter cloth cover 5 flexibly on cartridge filter 4, facilitates filter cloth cover
5 installation and replacement.
The diameter of the filter hole 17 is 10mm-15mm；The optimum diameter of the filter hole 17 is 10mm, can not only be had
The guarantee filtrate of effect can enter cartridge filter 4 through filter cloth cover 5, can also effectively support the filter cloth on filter vat.
The drain pipe 3 is annular in shape or oval ring-type, is not only conveniently fixedly mounted on the bottom of staving 1, but also conveniently
The fixed installation of cartridge filter 4, while being also convenient for the filtrate entered in drain pipe 3 and concentrating discharge.
The top of the staving 1 is communicated with the grout outlet 15 for facilitating pulp, and the bottom of staving 1 is communicated with putting for blowdown
Blank pipe 16 is equipped with blow valve on blow-down pipe 16.The setting of grout outlet 15 facilitates by the ore pulp discharge after concentration, into next work
Skill；The sewage in staving 1 is discharged when the setting of blow-down pipe 16 is for facilitating agitator cleaning maintenance；Blow valve is put for controlling
The opening and closing of blank pipe 16.
The cartridge filter 4 is fixedly mounted in the staving 1 of stirring blade periphery, and cartridge filter 4 is cylindrical or elliptic cylindrical shape,
Outer of the outer tube wall of cartridge filter 4 away from agitating paddle 2 about 100mm, filter hole 17 are covered in the side of cartridge filter 4；Cartridge filter 4 passes through
Steel pipe, mariages connector 13 are connected with the intracorporal ring row liquid pipe 3 of cylinder；Drain pipe 3 is fixed on by multiple groups semi-circular bracket 14 and is stirred
Mix the bottom of bucket；Filter cloth cover 5 according to ore pulp property selects different filter clothes and is made according to 4 size of cartridge filter, filter cloth
Set 5 from top to bottom covers on cartridge filter 4, and is connected by filter cloth compression ring 12 with cartridge filter 4；Drain pipe 3 is annular in cylinder
Structure has multiple openings thereon, and opening is provided with threeway, and is connected by corresponding threeway with filter vat；Cylinder outlet
Blank pipe 6 is connected to the side of cylinder annular drain pipe 3, and the other end of evacuated tube 6 is pierced by the bucket wall of agitator, evacuated tube 6 with
The junction of agitator bucket wall is sealed using welding manner, and evacuated tube 6 stretches out agitator bucket wall 200mm and is equipped with flange.
The dehydration agitator can be adapted at the thickening that phosphorus ore selects factory, troilite to select factory, metallic ore that factories and miness is selected to starch
Reason, the dehydration agitator course of work: ore pulp feeds agitator, and agitating paddle starts to stir work, starts slurry concentrating processing, filter
Liquid enters cartridge filter by filter cloth cover, enters back into drain pipe, after the filtrate in drain pipe reaches certain liquid level, opens vacuum
Pump makes filtrate enter filtrate tank, concentrates discharge；Agitator is discharged in the grout outlet of the agitated bucket of ore pulp after concentrated, under
One step process process；When filter cloth need to clean on filter vat, emptying exhaust-valve is first closed, backwash water valve is then turned on, using clear
Wash water is rinsed filter cloth cover, finally opens blow valve and the intracorporal waste water of bucket or slurry are discharged.
Claims (8)
1. a kind of dehydration agitator, it is characterised in that: the agitator includes staving and is mounted on the stirring in staving for stirring
Paddle is fixedly installed with drain pipe in the bottom of staving, several cartridge filters being connected to drain pipe, mistake is vertically provided on drain pipe
It is set with the filter cloth cover for facilitating filtrate to enter cartridge filter on filter cylinder, the filtering of several and filter cloth cover cooperation is equipped on cartridge filter
Hole.
2. dehydration agitator according to claim 1, it is characterised in that: be communicated with the other end on the drain pipe and stretch out bucket
The evacuated tube of body is successively arranged exhaust-valve, filtrate tank and vacuum pump in the evacuated tube outside staving.
3. dehydration agitator according to claim 2, it is characterised in that: in the evacuated tube between exhaust-valve and staving also
It is communicated with the backwash water pipe for rinsing filter cloth cover, is equipped with flushing valve on backwash water pipe.
4. dehydration agitator according to claim 1, it is characterised in that: the cartridge filter is uniformly set along the circumferential direction of staving
It sets.
5. dehydration agitator according to claim 1, it is characterised in that: the filter cloth cover is from top to bottom covered in cartridge filter
On, the running-on for filtering cloth set is pressed on cartridge filter by filter cloth compression ring.
6. dehydration agitator according to claim 1, it is characterised in that: the diameter of the filter hole is 10mm-15mm.
7. dehydration agitator according to claim 1, it is characterised in that: the drain pipe is annular in shape or oval ring-type.
8. dehydration agitator according to claim 1, it is characterised in that: the top of the staving, which is equipped with, facilitates going out for pulp
Slurry pipe, the bottom of staving are equipped with the blow-down pipe for blowdown, and blow valve is equipped on blow-down pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577490.5A CN109248498A (en) | 2017-07-15 | 2017-07-15 | A kind of dehydration agitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577490.5A CN109248498A (en) | 2017-07-15 | 2017-07-15 | A kind of dehydration agitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109248498A true CN109248498A (en) | 2019-01-22 |
Family
ID=65051334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710577490.5A Pending CN109248498A (en) | 2017-07-15 | 2017-07-15 | A kind of dehydration agitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109248498A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701314A (en) * | 2020-06-30 | 2020-09-25 | 高贵东 | Cloth filtering type filter for concentrating mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201510792U (en) * | 2009-06-11 | 2010-06-23 | 德威华泰（北京）科技有限公司 | Filter cloth filter with fixed discs |
| CN202028256U (en) * | 2011-01-12 | 2011-11-09 | 广州千松科技有限公司 | Vacuum ceramics filter system |
| CN103316519A (en) * | 2013-06-13 | 2013-09-25 | 浙江龙盛集团股份有限公司 | Filtering and washing device |
| CN203916214U (en) * | 2014-06-19 | 2014-11-05 | 中石化宁波工程有限公司 | A kind of coal gasification filtered gray water device |
| CN105148592A (en) * | 2015-08-31 | 2015-12-16 | 成都易态科技有限公司 | Liquid filter and cleaning and regeneration method thereof |
-
2017
- 2017-07-15 CN CN201710577490.5A patent/CN109248498A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201510792U (en) * | 2009-06-11 | 2010-06-23 | 德威华泰（北京）科技有限公司 | Filter cloth filter with fixed discs |
| CN202028256U (en) * | 2011-01-12 | 2011-11-09 | 广州千松科技有限公司 | Vacuum ceramics filter system |
| CN103316519A (en) * | 2013-06-13 | 2013-09-25 | 浙江龙盛集团股份有限公司 | Filtering and washing device |
| CN203916214U (en) * | 2014-06-19 | 2014-11-05 | 中石化宁波工程有限公司 | A kind of coal gasification filtered gray water device |
| CN105148592A (en) * | 2015-08-31 | 2015-12-16 | 成都易态科技有限公司 | Liquid filter and cleaning and regeneration method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701314A (en) * | 2020-06-30 | 2020-09-25 | 高贵东 | Cloth filtering type filter for concentrating mill |
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| 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: 20190122 |