CN109126507A - A kind of integral type puddles equipment - Google Patents
A kind of integral type puddles equipment Download PDFInfo
- Publication number
- CN109126507A CN109126507A CN201811237504.XA CN201811237504A CN109126507A CN 109126507 A CN109126507 A CN 109126507A CN 201811237504 A CN201811237504 A CN 201811237504A CN 109126507 A CN109126507 A CN 109126507A
- Authority
- CN
- China
- Prior art keywords
- tank
- puddling
- stirring
- puddles
- integral type
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/189—Venting, degassing or ventilating of gases, fumes or toxic vapours during mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a kind of integral types to puddle equipment, the present invention includes puddling tank and the agitating device puddled on tank being arranged in, the lower part for puddling tank is provided with inlet port and outlet port, the tank top of puddling is provided with evacuation port, and control valve is provided on evacuation port, the lower part for puddling tank is provided with gas fluidized device, and the agitating device includes at least one set of mixing component.It puddles and is additionally provided with mechanical stirring device in tank, the lamination generated when puddling the different powder of density can be avoided by mechanical stirring device, make powder more fully mixed.
Description
Technical field
The present invention relates to agitating device technical fields, and in particular to a kind of integral type puddles equipment.
Background technique
Since cementing concrete demand type is more, portions additive specific gravity is lighter, and pneumatic conveying puddles mode one with tank is puddled
As using bottom fluidization device carry out strength puddle, light material rises separation during puddling, puddle in the process easily go out
Existing powder puddles the placement generation for a long time of uneven, finished product can lamination.On the other hand, it is puddling with transmission process, is arranging
Air body can generate dust pollution, influence environment without dedusting.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of powder when avoiding puddling different densities generates lamination
Integral type puddles equipment.
To solve the above-mentioned problems, the present invention includes puddling tank and the agitating device puddled on tank being arranged in, and puddles tank
Lower part is provided with inlet port and outlet port, and the tank top of puddling is provided with evacuation port, and control valve is provided on evacuation port,
The lower part for puddling tank is provided with gas fluidized device, and the agitating device includes at least one set of mixing component.
As optimization, every group of mixing component of the present invention includes that the agitating element puddled in tank is arranged in and is used for
The driving assembly of agitating element rotation is driven, the agitating element includes stirring rod and sets along the length direction interval of stirring rod
The multiple groups stirring blade set, the driving assembly are fixed at the upside for puddling tank.
As optimization, tank of the present invention of puddling includes the tank deck, cylindrical section and cone being fixedly connected sequentially from top to bottom
Shape section, the mixing component are provided with one group, and the stirring blade includes bottom stirring blade and stirs among at least one set of
Mix blade, the length direction of bottom stirring blade and the length direction of stirring rod are a certain included angle, and the angle with
The cone angle for puddling the conical section of tank matches.
As optimization, the invention also includes dedusting tank, the upside for puddling tank, the bottom setting of dedusting tank is arranged in dedusting tank
There is exchange mouth, and the exchange mouth is connected to the evacuation port for puddling tank, the control valve setting in dedusting tank and puddles tank
Between.
As optimization, dedusting tank of the present invention includes tank body, is arranged in the intracorporal dust removal assembly of tank and pulse components,
The tank body includes filter chamber and the hopper on the downside of filter chamber, and the lower end of hopper is arranged in the exchange mouth, described
Dust removal assembly include card and several dust-removal cloth-bags for being connected on card, be provided with and dust-removal cloth-bag one on the card
One corresponding through-hole, the opening of the dust-removal cloth-bag are connected on through-hole, and the top positioned at card of filter chamber is provided with row
Port, the pulse components include gas bag, impulse generator and injection tube, and the top of card is arranged in the injection tube.
As optimization, driving assembly of the present invention includes stirring motor and retarder, the upper end of the stirring rod
Across the tank skin for puddling tank and by the output axis connection of shaft coupling and retarder, the intermediate agitation blade passes through connection ring
It is connected on stirring rod, puller bolt, the stirring blade and connection ring is provided between the connection ring and stirring rod
Between be bolted, there are two the described bottom stirring blade settings, and one end of two bottom stirring blades is equal
It is provided with clamping semi-ring, is bolted between two clamping semi-rings.
As optimization, gas fluidized device of the present invention includes the board-like fluidisation being arranged on the conical section for puddling tank
Device and the feeder supplied for board-like Fluidizer, the board-like Fluidizer are arranged on the tank skin for puddling the conical section of tank.
As optimization, tank of the present invention of puddling is set on the base by supporting leg, and the upper end for puddling tank is set
It is equipped with inspection platform, is provided with ladder between the inspection platform and pedestal.
The beneficial effects of the present invention are: the top for puddling tank for puddling equipment of the invention is provided with dedusting tank, in powder
The dust generated during puddling is discharged by dedusting tank, and the precipitating generated in dedusting tank is puddled because gravity is fallen on down again
In tank, both solved the waste that the dust problem during puddling also avoids raw material；It puddles and is additionally provided with mechanical stirring in tank
Device can be avoided the lamination generated when puddling the different powder of density by mechanical stirring device, powder allowed to mix
More sufficiently.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged structure schematic diagram of dedusting tank of the invention；
Fig. 3 is the enlarged structure schematic diagram of agitating shaft of the invention.
Wherein: 1, dedusting tank, 2, control valve, 3, inspection platform, 4, agitating device, 5, puddle tank, 6, supporting leg, 7, board-like stream
Change device, 8, pedestal, 9, ladder, 10, injection tube, 11, impulse generator, 12, gas bag, 13, card, 14, dust-removal cloth-bag, 1-1, row
Port, 1-2, filter chamber, 1-3, hopper, 1-4, exchange mouth, 4-1, stirring motor, 4-2, retarder, 4-4,4-3, shaft coupling are stirred
Bar, 4-5, connection ring are mixed, 4-7,4-6, axial blade clamp semi-ring, 4-9,4-8, paddle blade clamp semi-ring, 5-1, emptying
Mouthful, 5-2, discharge port, 5-3, feed inlet, 7-1, appendix.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
Integral type as shown in Figure 1 puddles equipment, including puddles tank 5, dedusting tank 1 and agitating device 4, puddles under tank 5
End is provided with feed inlet 5-3 and discharge port 5-2, and the top for puddling tank 5 is provided with evacuation port 5-1, and the tank 5 of puddling includes certainly
Abhiseca, cylindrical section and the conical section being fixedly connected sequentially under above, as shown in Fig. 2, the dedusting tank 1 includes tank body, setting
In the intracorporal dust removal assembly of tank and pulse components, the tank body includes filter chamber 1-2 and the hopper on the downside of filter chamber 1-2
1-3, the bottom end of hopper 1-3 is provided with exchange mouth 1-4, the exchange mouth 1-4 and enters and precipitate discharge for dust, described
Dust removal assembly includes card 13 and several dust-removal cloth-bags 14 for being connected on card 13, is provided on the card 13 and dedusting
The one-to-one through-hole of cloth bag 14, the opening of the dust-removal cloth-bag 14 are connected on through-hole, and filter chamber 1-2's is located at card 13
Top be provided with exhaust outlet 1-1, the pulse components include gas bag 12, impulse generator 11 and injection tube 10, described
The top of card 13 is arranged in injection tube 10.The upside for puddling tank 5, the exchange mouth on hopper 1-3 is arranged in the tank body of dedusting tank 1
1-4 is directly connected to evacuation port 5-1, and junction is provided with control valve 2.The lower part for puddling tank 5 is provided with gas stream
Makeup is set, and the gas fluidized device includes the board-like Fluidizer 7 being arranged on the conical section for puddling tank 5 and is board-like fluidisation
The feeder that device 7 supplies, feeder are connected to board-like Fluidizer 7 by appendix 7-1, and the board-like Fluidizer 7 is set
It sets on the tank skin of conical section for puddling tank 5.
As shown in figure 3, agitating device described in the present embodiment includes at least one set of mixing component, when being set as one group of stirring
When element, the mixing component includes the agitating element being rotatably arranged on puddle in tank 5 and for driving agitating element to rotate
Driving assembly, the agitating element include stirring rod 4-4 and the spaced multiple groups stirring of length direction along stirring rod 4-4
Blade, the stirring blade include bottom stirring blade and at least one set of intermediate agitation blade, the intermediate agitation blade
For axial blade 4-6, i.e. driving powder is stirred along the axial direction of stirring rod 4-4, the setting quantity of intermediate agitation blade according to
The height for puddling tank 5 is preferentially selected, and bottom stirring blade is paddle blade 4-8, the i.e. length direction of bottom stirring blade
It is a certain included angle with the length direction of stirring rod 4-4, and the cone angle of the angle and the conical section for puddling tank 5 matches.It is described
Driving assembly include that the upper end of stirring motor 4-1 and retarder 4-2, the stirring rod 4-4 passes through and puddles the tank skin of tank 5 simultaneously
By the output axis connection of shaft coupling 4-3 and retarder 4-2, the axial blade 4-6 is connected to stirring by connection ring 4-5
On bar 4-4, it is provided with puller bolt between the connection ring 4-5 and stirring rod 4-4, for the ease of replacing stirring blade, institute
It is bolted between the axial blade 4-6 stated and connection ring 4-5, there are two the paddle blade 4-8 settings, two paddles
Be centrosymmetric setting between formula blade 4-8, and one end of two paddle blades, which is provided with, clamps semi-ring 4-9, described
Two clamping semi-ring 4-9 between be bolted.
When two groups of mixing components are arranged, two groups of symmetrical settings of mixing component, and the length direction of mixing component and perpendicular
For histogram in a certain angle and tilt to the middle part for puddling tank, the stirring rod with spiral plate is can be set into agitating element.
It puddles tank 5 described in the present embodiment to be arranged on pedestal 8 by supporting leg 6, the upper end for puddling tank 5 is provided with
Inspection platform 3 is provided with ladder 9 between the inspection platform 3 and pedestal 8, climbs maintenance convenient for staff.
Working principle: the present embodiment puddle tank bottom feed by way of, and powder need by compressed air into
Row, which is input to, to be puddled in tank 5, and the compressed air in delivery pipe enters to the work puddled and play certain Gas Stirring in tank 5
With, making tentatively to mix into powder, starts agitating device, agitating device enables powder adequately to puddle by stirring blade,
The paddle blade 4-8 of agitating device matches with the conical section for puddling 5 lower part of tank, ensure that and puddles in tank 5 stirring without dead angle,
During puddling, the dust of generation is entered in dedusting tank 1 by evacuation port 5-1, dust after the filtering of dust-removal cloth-bag 14,
Clean gas passes through dedusting, the exhaust outlet 1-1 discharge on 1, when pulse components start, so that being adhered on dust-removal cloth-bag 14
Dust is detached from dust-removal cloth-bag 14, and is fallen to and puddled in tank 5 again by evacuation port 5-1 by self weight, both solves the process of puddling
In dust problem also avoid the waste and loss of raw material.
Board-like Fluidizer 7 in mixing tank 5 can carry out Gas Stirring in the raw material for needing gas to puddle, and go out
When material, closes dedusting tank 1 and puddle the control valve between tank 5, provide the power of pneumatic conveying for discharge of fine material.
Above-mentioned specific embodiment is only specific case of the invention, and scope of patent protection of the invention includes but is not limited to
The product form and style of above-mentioned specific embodiment, any claims of the present invention and any technical field of meeting
The appropriate changes or modifications that those of ordinary skill does it, all shall fall within the protection scope of the present invention.
Claims (8)
1. a kind of integral type puddles equipment, it is characterised in that: including puddling tank and the agitating device puddled on tank being arranged in, puddle
The lower part of tank is provided with inlet port and outlet port, and the tank top of puddling is provided with evacuation port, and control is provided on evacuation port
Valve processed, the lower part for puddling tank are provided with gas fluidized device, and the agitating device includes at least one set of mixing component.
2. integral type according to claim 1 puddles equipment, it is characterised in that: every group of mixing component includes setting
It sets and is puddling the agitating element in tank and the driving assembly for driving agitating element to rotate, the agitating element includes stirring
Bar and the spaced multiple groups stirring blade of length direction along stirring rod, the driving assembly, which is fixed at, puddles tank
Upside.
3. integral type according to claim 2 puddles equipment, it is characterised in that: it is described puddle tank include from top to bottom according to
The secondary tank deck being fixedly connected, cylindrical section and conical section, the mixing component are provided with one group, and the stirring blade includes bottom
Portion's stirring blade and at least one set of intermediate agitation blade, the length direction of the bottom stirring blade and the length side of stirring rod
To being a certain included angle, and the cone angle of the angle and the conical section for puddling tank matches.
4. integral type described in any one of -3 puddles equipment according to claim 1, it is characterised in that: it further include dedusting tank,
The upside for puddling tank is arranged in dedusting tank, and the bottom of dedusting tank is provided with exchange mouth, and the exchange mouth and the row for puddling tank
It eats dishes without rice or wine to be connected to, the control valve is arranged in dedusting tank and puddles between tank.
5. integral type according to claim 4 puddles equipment, it is characterised in that: the dedusting tank includes tank body, setting
In the intracorporal dust removal assembly of tank and pulse components, the tank body includes filter chamber and the hopper on the downside of filter chamber, described
Exchange mouth the lower end of hopper is set, the dust removal assembly includes card and several dust-removal cloth-bags for being connected on card,
It is provided on the card and is connected on through-hole with the one-to-one through-hole of dust-removal cloth-bag, the opening of the dust-removal cloth-bag,
The top positioned at card of filter chamber is provided with exhaust outlet, and the pulse components include gas bag, impulse generator and injection tube,
The top of card is arranged in the injection tube.
6. integral type according to claim 3 puddles equipment, it is characterised in that: the driving assembly includes stirring motor
And retarder, the upper end of the stirring rod pass through the tank skin for puddling tank and pass through the output axis connection of shaft coupling and retarder,
The intermediate agitation blade is connected on stirring rod by connection ring, is provided with and is held out against between the connection ring and stirring rod
Bolt is bolted between the stirring blade and connection ring, and there are two the bottom stirring blade settings, described
One end of two bottom stirring blades be provided with clamping semi-ring, be bolted between two clamping semi-rings.
7. integral type according to claim 3 puddles equipment, it is characterised in that: the gas fluidized device includes setting
Board-like Fluidizer on the conical section for puddling tank and the feeder for board-like Fluidizer gas supply, the board-like Fluidizer are set
It sets on the tank skin for the conical section for puddling tank.
8. integral type stirring device according to claim 1, it is characterised in that: the tank of puddling is existed by supporting leg setting
On pedestal, the upper end for puddling tank is provided with inspection platform, is provided with ladder between the inspection platform and pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237504.XA CN109126507A (en) | 2018-10-23 | 2018-10-23 | A kind of integral type puddles equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237504.XA CN109126507A (en) | 2018-10-23 | 2018-10-23 | A kind of integral type puddles equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109126507A true CN109126507A (en) | 2019-01-04 |
Family
ID=64809107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811237504.XA Withdrawn CN109126507A (en) | 2018-10-23 | 2018-10-23 | A kind of integral type puddles equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109126507A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351276A (en) * | 2018-12-17 | 2019-02-19 | 中国石油集团川庆钻探工程有限公司长庆固井公司 | A kind of integral type puddles equipment |
| CN111715095A (en) * | 2020-06-17 | 2020-09-29 | 王秀芝 | Gravel and sand mixing arrangement is used in construction of electric power construction tower base |
| CN111921412A (en) * | 2020-07-24 | 2020-11-13 | 常州市新武机械有限公司 | High-concentration stirring tank |
| CN111993515A (en) * | 2020-08-24 | 2020-11-27 | 衡阳嵘昇生物颗粒有限公司 | Waste wood processing apparatus |
-
2018
- 2018-10-23 CN CN201811237504.XA patent/CN109126507A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351276A (en) * | 2018-12-17 | 2019-02-19 | 中国石油集团川庆钻探工程有限公司长庆固井公司 | A kind of integral type puddles equipment |
| CN111715095A (en) * | 2020-06-17 | 2020-09-29 | 王秀芝 | Gravel and sand mixing arrangement is used in construction of electric power construction tower base |
| CN111921412A (en) * | 2020-07-24 | 2020-11-13 | 常州市新武机械有限公司 | High-concentration stirring tank |
| CN111993515A (en) * | 2020-08-24 | 2020-11-27 | 衡阳嵘昇生物颗粒有限公司 | Waste wood processing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109126507A (en) | A kind of integral type puddles equipment | |
| CN208179962U (en) | Cement products aggregate automatic batching and mixing plant | |
| CN110521623A (en) | Liquid feeds system | |
| CN109351276A (en) | A kind of integral type puddles equipment | |
| CN209348564U (en) | A kind of integral type puddles equipment | |
| CN109588333A (en) | A kind of automatic feeding system | |
| CN206837906U (en) | Powdery paints production mixing device | |
| CN208746282U (en) | A kind of powder material canning machine blanking device for avoiding bacteria breed and improving degree of purity | |
| CN206678361U (en) | A kind of batch mixing extrusion integrated apparatus for additive masterbatch production | |
| CN205889533U (en) | Molding sand mixer is used in casting | |
| CN208678980U (en) | A kind of stirring tank arrangement certainly | |
| CN208194297U (en) | A kind of pharmaceutical preparation mixing device | |
| CN214486433U (en) | Production equipment for improving quality of vitamin premixed feed | |
| CN213596128U (en) | Utilize fermentation cylinder of dirty anaerobic fermentation production marsh gas of beasts and birds excrement | |
| CN208340602U (en) | A kind of mixing equipment of color asphalt | |
| CN201626052U (en) | Floor-type water scale and concrete mixing plant using same | |
| CN210233523U (en) | Mixing plant for improving concrete quality | |
| CN207680549U (en) | The automatic batching system of powdery paints production line | |
| CN109363214A (en) | A kind of automatic blanking system of forage mixture | |
| CN107457934A (en) | A kind of plastic grain homogenization silo | |
| CN219002946U (en) | Automatic batching equipment for powder coating production | |
| CN210448950U (en) | Mixing arrangement of animal health care medicine | |
| CN215159138U (en) | Negative-pressure feeding system for rice materials | |
| CN220280035U (en) | Dust collecting device for stirring concrete raw materials | |
| CN220361105U (en) | Automatic flow quantitative control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |