CN107684859A - A kind of sewage teeter chamber being sufficiently stirred - Google Patents
A kind of sewage teeter chamber being sufficiently stirred Download PDFInfo
- Publication number
- CN107684859A CN107684859A CN201710931338.2A CN201710931338A CN107684859A CN 107684859 A CN107684859 A CN 107684859A CN 201710931338 A CN201710931338 A CN 201710931338A CN 107684859 A CN107684859 A CN 107684859A
- Authority
- CN
- China
- Prior art keywords
- agitator tank
- sewage
- fixedly connected
- sufficiently stirred
- teeter chamber
- 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- Withdrawn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
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/2122—Hollow shafts
-
- 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
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/2123—Shafts with both stirring means and feeding or discharging means
-
- 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
- B01F27/55—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers driven by the moving material
-
- 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
- B01F27/86—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle
-
- 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
- B01F2101/305—Treatment of water, waste water or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention relates to technical field of sewage, and disclose a kind of sewage teeter chamber being sufficiently stirred, including agitator tank, bottom on the right side of the agitator tank is provided with water inlet pipe, top on the left of the agitator tank is provided with outlet pipe, the support rail being spaced substantially equidistant is fixedly connected with the inwall of the agitator tank, vertical supporting rod is fixedly connected with the support rail, the diversion mixing bar being spaced substantially equidistant is fixedly connected with left and right sides of the vertical supporting rod, tapping hole is offered on the diversion mixing bar, the inner bottom wall of the agitator tank is installed with equally distributed choked flow desilting post, through hole is offered at the top of the agitator tank, the both sides at the top of the agitator tank have been fixedly connected with fixed support.The sewage teeter chamber being sufficiently stirred, by the sewage Multi-layer separated in teeter chamber, auxiliary mixer carries out sewage to be sufficiently stirred reaction, has reached the effect for being sufficiently stirred reaction.
Description
Technical field
The present invention relates to technical field of sewage, specially a kind of sewage teeter chamber being sufficiently stirred.
Background technology
Sewage disposal refers to purify it for the water quality requirement for making sewage reach a certain water body of draining or reuse
Process.Sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
Every field, the daily life of common people is also come into more and more, often being used in existing sewage treatment process makes
Chemical agent and the teeter chamber of sewage reaction, are a works for making to precipitate after organic matter and the inorganic matter stirring reaction in sewage
Skill.
Current sewage disposal carries out invention design mainly for gravel precipitation aspect in sewage, such as Chinese patent CN
A kind of rotation sand setting equipment and its technique, the invention that 106178615 B are provided improve the treatment effeciency of setting pot gravel, reached
To investment reduction and a kind of the rotation sand setting equipment and its technique of operating cost, but to the non-gravel organic matter or inorganic in sewage
Thing does not play the effect for making it be precipitated after reacting, and e insufficient to make sewage fully react after being stirred, so propose one
The sewage teeter chamber that kind is sufficiently stirred solves the problems, such as above-mentioned propose.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of sewage teeter chamber being sufficiently stirred, possessing can make to stir
The advantages that indoor sewage carries out being sufficiently stirred reaction is mixed, solving sewage in current sewage disposal process can not fully be stirred
The problem of mixing reaction.
(2) technical scheme
To realize that the above-mentioned sewage made in teeter chamber be sufficiently stirred the purpose of reaction, the present invention provides following technical side
Case：A kind of sewage teeter chamber being sufficiently stirred, including agitator tank, the bottom on the right side of the agitator tank is provided with water inlet pipe, described
Top on the left of agitator tank is provided with outlet pipe, and it is horizontal that the support being spaced substantially equidistant is fixedly connected with the inwall of the agitator tank
Bar, vertical supporting rod is fixedly connected with the support rail, has been fixedly connected with left and right sides of the vertical supporting rod equidistant
The diversion mixing bar of arrangement, tapping hole is offered on the diversion mixing bar, the inner bottom wall of the agitator tank is installed with
The choked flow desilting post of even distribution, through hole is offered at the top of the agitator tank, the both sides at the top of the agitator tank are fixed to be connected
Fixed support is connected to, the one end of the fixed support away from agitator tank is fixedly connected with stirring motor, the bottom of the stirring motor
Portion is installed with reductor, and organic frame is fixedly mounted in the bottom of the reductor, and the lower rotation of the frame, which is connected with, to be turned
Axle, the both sides at the top of the rotating shaft have been fixedly connected with conduit, and the top of the conduit is fixedly connected with funnel, in the rotating shaft
Equally distributed mixed flow hole is offered, the connecting rod being spaced substantially equidistant is fixedly connected with left and right sides of the rotating shaft, it is described
The one end of connecting rod away from rotating shaft is staggeredly fixedly connected with stirring sweep and stirring scull, described to stir on sweep and stirring scull
The poke hole equidistantly distributed is offered, the both sides of the rotating shaft bottom have been fixedly connected with rotation loom, opened on the rotation loom
Provided with the rotation loom hole being spaced substantially equidistant, the described one end of rotation loom away from rotating shaft is fixedly connected with paddle shaft, and the paddle shaft rotates
It is connected with rotating propeller blade.
Preferably, the agitator tank cylindrical form, the rotating shaft are hollow rotating shaft.
Preferably, it is fixed on the inwall on the left of the agitator tank, the inwall on right side, positive inwall and the inwall at the back side
It is connected with the support rail being spaced substantially equidistant.
Preferably, the vertical supporting rod is in be staggered respectively positioned at the centre of support rail and close to one end of rotating shaft.
Preferably, the quantity of the diversion mixing bar on each vertical supporting rod is no less than six and not more than ten.
Preferably, many two and not more than five, and divide water of the quantity of the tapping hole on each diversion mixing bar
Hole is isodistantly spaced arrangement.
Preferably, the bottom of the rotating shaft through through hole and extends to the inside of agitator tank, and through hole is opened in agitator tank
The middle at top.
Preferably, the stirring sweep on left side and right side and the poke hole on stirring scull and the poke hole on right side are not in
It is symmetrical.
(3) beneficial effect
Compared with prior art, the invention provides a kind of sewage teeter chamber being sufficiently stirred, possess following
Beneficial effect：
1st, the sewage teeter chamber being sufficiently stirred, by the fixed support of setting, stirring motor, reductor, frame and turn
Being used in conjunction with each other between axle, the sewage in teeter chamber is stirred, passes through the conduit of setting, funnel, mixed flow hole, connection
Being used in conjunction with each other between bar, stirring sweep, stirring scull and poke hole, current are divided into, current is fully stirred with medicament
Mixing is mixed, by being used in conjunction with each other between the rotation loom of setting, rotation loom hole, paddle shaft and revolving vane, makes teeter chamber bottom
The sewage in portion is sufficiently stirred, and has reached the effect for being sufficiently stirred reaction.
2nd, the sewage teeter chamber being sufficiently stirred, passes through the support rail of setting, vertical supporting rod, diversion mixing bar, Fen Shui
Being used in conjunction with each other between hole and choked flow desilting post, by the sewage Multi-layer separated in teeter chamber, auxiliary mixer enters sewage
Row is sufficiently stirred reaction, effectively raises the effect that sewage is sufficiently stirred reaction.
Brief description of the drawings
Fig. 1 is a kind of sewage teeter chamber section of structure being sufficiently stirred proposed by the present invention.
In figure：1 agitator tank, 2 water inlet pipes, 3 outlet pipes, 4 support rails, 5 vertical supporting rods, 6 diversion mixing bars, 7 tapping holes,
8 choked flow desilting posts, 9 through holes, 10 fixed supports, 11 stirring motors, 12 reductors, 13 frames, 14 rotating shafts, 15 conduits, 16 funnels,
17 mixed flow holes, 18 connecting rods, 19 stirring sweeps, 20 stirring sculls, 21 poke holes, 22 rotation looms, 23 rotation loom holes, 24 paddle shafts,
25 revolving vanes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of sewage teeter chamber being sufficiently stirred, including agitator tank
1, the bottom on the right side of agitator tank 1 is provided with water inlet pipe 2, and the top in the left side of agitator tank 1 is provided with outlet pipe 3, the inwall of agitator tank 1
On be fixedly connected with the support rail 4 being spaced substantially equidistant, vertical supporting rod 5 is fixedly connected with support rail 4, vertical supporting rod 5
The left and right sides is fixedly connected with the diversion mixing bar 6 being spaced substantially equidistant, and tapping hole 7, agitator tank are offered on diversion mixing bar 6
1 inner bottom wall is installed with equally distributed choked flow desilting post 8, and the top of agitator tank 1 offers through hole 9, the top of agitator tank 1
The both sides in portion have been fixedly connected with fixed support 10, and the one end of fixed support 10 away from agitator tank 1 is fixedly connected with stirring motor
11, the bottom of stirring motor 11 is installed with reductor 12, and organic frame 13 is fixedly mounted in the bottom of reductor 12, frame 13
Lower rotation is connected with rotating shaft 14, and the both sides at the top of rotating shaft 14 have been fixedly connected with conduit 15, and the top of conduit 15 is fixedly connected
There is funnel 16, flocculant or all kinds of reactant material are poured into out of funnel 16, into rotating shaft 14, offered in rotating shaft 14 uniformly
The mixed flow hole 17 of distribution, the left and right sides of rotating shaft 14 are fixedly connected with the connecting rod 18 being spaced substantially equidistant, and connecting rod 18 is remote
One end of rotating shaft 14 is staggeredly fixedly connected with stirring sweep 19 and stirring scull 20, is opened up on stirring sweep 19 and stirring scull 20
There is the poke hole 21 equidistantly distributed, the both sides of the bottom of rotating shaft 14 have been fixedly connected with rotation loom 22, have revolved and offered on loom 22
The rotation loom hole 23 being spaced substantially equidistant, the one end of rotation loom 22 away from rotating shaft 14 are fixedly connected with paddle shaft 24, and paddle shaft 24, which rotates, to be connected
It is connected to rotating propeller blade 25.
In the present invention, the cylindrical form of agitator tank 1, rotating shaft 14 is hollow rotating shaft.
It is fixed on the inwall in the left side of agitator tank 1, the inwall on right side, positive inwall and the inwall at the back side in the present invention
It is connected with the support rail 4 being spaced substantially equidistant.
In the present invention, the centre that vertical supporting rod 5 is located at support rail 4 respectively in being staggered and one close to rotating shaft 14
End.
In the present invention, the quantity of the diversion mixing bar 6 on each vertical supporting rod 5 is no less than six and not more than ten.
In the present invention, many two and not more than five, and divide water of the quantity of the tapping hole 7 on each diversion mixing bar 6
Hole 7 is isodistantly spaced arrangement.
In the present invention, the bottom of rotating shaft 14 through through hole 9 and extends to the inside of agitator tank 1, and through hole 9 is opened in stirring
The middle at the top of case 1.
In the present invention, left side and the stirring sweep 19 on right side and the poke hole 21 on stirring scull 20 and the poke hole on right side
21 are not symmetric.
Operation principle：When in use, sewage flows into teeter chamber by water inlet pipe 2, is driven in the presence of stirring motor 11
Rotating shaft 14 is rotated, and so as to drive stirring sweep 19 and stirring scull 20 to be rotated, is turned the sewage in teeter chamber
Dynamic to stir, the sewage rotated in teeter chamber drives rotating propeller blade 25 to be rotated, and the rotation of rotating propeller blade 25 drives sewage separation
Rotate, the sediment fraction gravel of choked flow desilting post 8 simultaneously hinders the sewage rotated, support rail 4, vertical supporting rod 5, diversion mixing bar 6
With tapping hole 7, it is layered the sewage of rotation and carries out being sufficiently stirred reaction.
In summary, the sewage teeter chamber being sufficiently stirred, by the fixed support 10 of setting, stirring motor 11, slow down
Being used in conjunction with each other between machine 12, frame 13 and rotating shaft 14, is stirred the sewage in teeter chamber, passes through the conduit of setting
15th, the mutual cooperation between funnel 16, mixed flow hole 17, connecting rod 18, stirring sweep 19, stirring scull 20 and poke hole 21 makes
With current are divided into, current is thoroughly mixed with medicament, pass through the rotation loom 22 of setting, rotation loom hole 23, the and of paddle shaft 24
Being used in conjunction with each other between revolving vane 25, the sewage of teeter chamber bottom is sufficiently stirred, reached and be sufficiently stirred
The effect of reaction.
Also, by the support rail 4 of setting, vertical supporting rod 5, diversion mixing bar 6, tapping hole 7 and choked flow desilting post 8 it
Between be used in conjunction with each other, by the sewage Multi-layer separated in teeter chamber, auxiliary mixer carries out sewage to be sufficiently stirred reaction, has
The effect for improving sewage and being sufficiently stirred reaction of effect, solving sewage in current sewage disposal process can not fully be stirred
The problem of reaction.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of sewage teeter chamber being sufficiently stirred, including agitator tank (1), it is characterised in that：Bottom on the right side of the agitator tank (1)
Portion is provided with water inlet pipe (2), and the top on the left of the agitator tank (1) is provided with outlet pipe (3), the inwall of the agitator tank (1)
On be fixedly connected with the support rail (4) being spaced substantially equidistant, be fixedly connected with vertical supporting rod (5), institute on the support rail (4)
State the diversion mixing bar (6) for being fixedly connected with and being spaced substantially equidistant at left and right sides of vertical supporting rod (5), the diversion mixing bar
(6) tapping hole (7) is offered on, the inner bottom wall of the agitator tank (1) is installed with equally distributed choked flow desilting post (8),
Through hole (9) is offered at the top of the agitator tank (1), the both sides at the top of the agitator tank (1) have been fixedly connected with fixed branch
Frame (10), the one end of the fixed support (10) away from agitator tank (1) are fixedly connected with stirring motor (11), the stirring motor
(11) bottom is installed with reductor (12), and organic frame (13), the machine is fixedly mounted in the bottom of the reductor (12)
The lower rotation of frame (13) is connected with rotating shaft (14), and the both sides at the top of the rotating shaft (14) have been fixedly connected with conduit (15), institute
The top for stating conduit (15) is fixedly connected with funnel (16), and equally distributed mixed flow hole (17) is offered on the rotating shaft (14),
The connecting rod (18) being spaced substantially equidistant is fixedly connected with left and right sides of the rotating shaft (14), the connecting rod (18) is remote to be turned
One end of axle (14) is staggeredly fixedly connected with stirring sweep (19) and stirring scull (20), and the stirring sweep (19) and stirring are short
The poke hole (21) equidistantly distributed is offered on oar (20), the both sides of rotating shaft (14) bottom have been fixedly connected with rotation loom
(22) the rotation loom hole (23) being spaced substantially equidistant, is offered on the rotation loom (22), the rotation loom (22) is away from rotating shaft
(14) one end is fixedly connected with paddle shaft (24), and the paddle shaft (24) is rotatably connected to rotating propeller blade (25).
A kind of 2. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：The agitator tank (1) is in
Cylindrical shape, the rotating shaft (14) are hollow rotating shaft.
A kind of 3. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：The agitator tank (1) is left
The support rail being spaced substantially equidistant is fixedly connected with the inwall of side, the inwall on right side, positive inwall and the inwall at the back side
(4)。
A kind of 4. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：The vertical supporting rod (5)
The centre for being located at support rail (4) respectively in being staggered and one end of close rotating shaft (14).
A kind of 5. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：Each vertical supporting rod
(5) quantity of the diversion mixing bar (6) on is no less than six and not more than ten.
A kind of 6. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：Each diversion mixing
Many two and not more than five of the quantity of tapping hole (7) on bar (6), and tapping hole (7) is isodistantly spaced arrangement.
A kind of 7. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：The bottom of the rotating shaft (14)
End is through through hole (9) and extends to the inside of agitator tank (1), and through hole (9) is opened in the middle at the top of agitator tank (1).
A kind of 8. sewage teeter chamber being sufficiently stirred according to claim 1, it is characterised in that：Left side and right side it is described
Stirring sweep (19) and stir poke hole (21) on scull (20) and the poke hole (21) on right side is not symmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931338.2A CN107684859A (en) | 2017-10-09 | 2017-10-09 | A kind of sewage teeter chamber being sufficiently stirred |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931338.2A CN107684859A (en) | 2017-10-09 | 2017-10-09 | A kind of sewage teeter chamber being sufficiently stirred |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107684859A true CN107684859A (en) | 2018-02-13 |
Family
ID=61154170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710931338.2A Withdrawn CN107684859A (en) | 2017-10-09 | 2017-10-09 | A kind of sewage teeter chamber being sufficiently stirred |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107684859A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435039A (en) * | 2018-03-26 | 2018-08-24 | 魏玉来 | A kind of working process pond of industrial wastewater |
| CN108579345A (en) * | 2018-05-18 | 2018-09-28 | 蔡王钲 | A kind of Ferrous Metallurgy exhaust gas Environmental-protecting treater |
| CN112007563A (en) * | 2020-08-06 | 2020-12-01 | 陈素恩 | Diluting device is used in water based paint production |
| CN113351119A (en) * | 2021-06-01 | 2021-09-07 | 安徽皖升力环保股份有限公司 | Measurable feeder for HDPE film production and measuring method thereof |
| CN113772835A (en) * | 2021-11-15 | 2021-12-10 | 济宁普悦环保科技有限公司 | Sewage treatment aeration equipment for environmental protection |
| CN115007043A (en) * | 2022-04-21 | 2022-09-06 | 王文科 | Dissolving tank for pharmacy of water conservancy stirring |
-
2017
- 2017-10-09 CN CN201710931338.2A patent/CN107684859A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435039A (en) * | 2018-03-26 | 2018-08-24 | 魏玉来 | A kind of working process pond of industrial wastewater |
| CN108579345A (en) * | 2018-05-18 | 2018-09-28 | 蔡王钲 | A kind of Ferrous Metallurgy exhaust gas Environmental-protecting treater |
| CN112007563A (en) * | 2020-08-06 | 2020-12-01 | 陈素恩 | Diluting device is used in water based paint production |
| CN113351119A (en) * | 2021-06-01 | 2021-09-07 | 安徽皖升力环保股份有限公司 | Measurable feeder for HDPE film production and measuring method thereof |
| CN113351119B (en) * | 2021-06-01 | 2022-12-27 | 安徽皖升力环保股份有限公司 | Measurable feeder for HDPE film production and measuring method thereof |
| CN113772835A (en) * | 2021-11-15 | 2021-12-10 | 济宁普悦环保科技有限公司 | Sewage treatment aeration equipment for environmental protection |
| CN115007043A (en) * | 2022-04-21 | 2022-09-06 | 王文科 | Dissolving tank for pharmacy of water conservancy stirring |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180213 |