CN106607004A - Circulation mixer and application thereof - Google Patents
Circulation mixer and application thereof Download PDFInfo
- Publication number
- CN106607004A CN106607004A CN201510688558.8A CN201510688558A CN106607004A CN 106607004 A CN106607004 A CN 106607004A CN 201510688558 A CN201510688558 A CN 201510688558A CN 106607004 A CN106607004 A CN 106607004A
- Authority
- CN
- China
- Prior art keywords
- guide shell
- gas distributor
- circulation
- tank body
- tank
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention especially relates to a circulation mixer, belonging to the technical field of mixers. The circulation mixer comprises a tank with at least one opening, a guide shell fixed in the tank in a suspension manner, a nozzle located below the guide shell, and a gas distributor fixedly arranged in the tank and located below the guide shell, wherein the nozzle is connected with a first conveyer pipe which penetrates the sidewall of the tank and extends to the interior of the tank, and the gas distributor is connected with a second conveyer pipe which penetrates the sidewall of the tank and extends to the interior of the tank. The circulation mixer is simple in structure; during mixing of equal amounts of raw materials, the circulation mixer achieves the purpose of liquid-liquid or gas-liquid mixed mass transfer or heat transfer through formation of circulation in the circulation mixer; the size of the mixer may be substantially reduced compared with mixers in the prior art; and in particular, when the mixer is used as a chemical reactor needing heating, and heat and mass transfer efficiency of the reactor is high.
Description
Technical field
The present invention relates to combiner technique field, more particularly to a kind of circulation blender.
Background technology
During chemical industry synthesis or preparation compositionss, the blender one of reactor or preparation compositionss for chemosynthesis
As be conventional mechanical stirring container, the mixing of liquid-liquid and solution-air can effectively be carried out using churned mechanically container, but
It is easily to be damaged in longtime running using the axle envelope and bearing needed for churned mechanically machine driving, causes maintenance shut-downs, it is difficult
To realize continuing, stably and securely run, this is the weak point existing for prior art.
When mixed material or the reaction species for preparing contain mordant gas and/or liquid, corrosive substance can increase
Corrosion to equipment, so as to damage container, causes stop work and production and security incident.Include reaction in some chemical reaction devices
Device, vaporizer and lightness-removing column adopt expensive metal material such as zirconium material or Hastelloy, harsh with adjustment reaction system
Corrosion resistance is required.But zirconium is a kind of extremely expensive rare metal of price, a zirconium material liquid circulation pump is generally worth thousand
More than ten thousand, the fixed investment of reaction unit is very high.
Therefore, it is necessary to shortcoming present in prior art is directed to, to being used for the reactor of chemosynthesis or preparing compositionss
Blender is improved.
The content of the invention
The purpose of the present invention is to be directed to the deficiencies in the prior art part, there is provided a kind of circulation blender, it includes：Containing at least
The guide shell of the inside of the tank body is fixed in the tank body of one opening, suspension；Nozzle below guide shell, the spray
Mouth is connected with the first delivery pipe through tank wall and the inside for extending to the tank body；The inside of the tank body is installed in,
And the gas distributor below guide shell, the gas distributor with through the tank wall and extending to the tank body
Inside the second delivery pipe connection.The circulation blender not only simple structure of the present invention, and mixing same amount of raw material
When, liquid liquid or gas-liquid mixed mass transfer or the purpose of heat transfer are reached using circulation is formed in circulation blender, blender
Size can be substantially reduced than blender of the prior art, when particularly blender is used as to need the chemical reactor of heating,
The heat and mass efficiency high of reactor.Axle envelope needed for the conventionally employed churned mechanically machine driving of blender energy effectively solving
With bearing in longtime running extremely flimsy problem, and some novel reactor complex structures or technological process are complicated asks
Topic.
In a specific embodiment, the gas distributor is ring bodies, and multiple through holes are distributed with the ring bodies.
In a specific embodiment, the axial direction of the gas distributor is axially coincident with the guide shell.
In a specific embodiment, circulation blender also includes being arranged at support in the tank body, described guide shell and
Gas distributor is individually fixed on the support.Wherein, the end of support can be fixedly connected with the side wall of tank body.It is placed in and props up
The concrete structure of frame, for example, can be cross frame or network.Preferably, the upper end of guide shell can also improve and pass through
At least two poles are fixedly connected with the side wall of tank body.
In a specific embodiment, the ratio of the diameter of the height of gas distributor and tank body is (0.2-0.8):1, preferably
The ratio is (0.4-0.6):1.
In a specific embodiment, the ratio of the diameter of the diameter of gas distributor and guide shell is (0.5-0.9):1, it is excellent
The ratio is selected to be (0.6-0.8):1.
In a specific embodiment, the ratio of the height of the guide shell and its diameter is (0.8-2.5):1, it is preferably described
The height of guide shell and the ratio of its diameter are (1.0-1.5):1.
In a specific embodiment, the nozzle includes the equal pipe that reducing vertebral body is fixedly connected with the reducing vertebral body narrow end
Body.
In a specific embodiment, it comprises the steps：Using the gas distributor and the nozzle injection liquid and
/ or gaseous feed, so as to realize that liquid and/or gaseous feed effectively mix.
In a specific embodiment, the raw material includes methanol, carbon monoxide, catalysts and solvents.
The three of the present invention provide a kind of circulation blender as above, and/or method as above in liquid and/or gaseous state original
Application in material mixing, the application particularly in synthesizing acetic acid by methanol low-voltage carbonylation.
Description of the drawings
Fig. 1 shows the structure overall schematic of circulation blender.
Fig. 2 shows water conservancy diversion barrel structure schematic top plan view.
Fig. 3 shows gas distributor structure schematic top plan view.
Fig. 4 shows the structural representation of nozzle.
Fig. 5 shows the schematic flow sheet that acetic acid is prepared using circulation blender of the present invention.
In figure, 1 is tank body, and 2 are the first opening, and 3 are the second opening, and 4 is guide shell, and 5 is nozzle, and 6 are gas point
Cloth device, 7 is the second delivery pipe, and 8 is support, and 9 is pole, and 10 is the first delivery pipe, and 11 is through hole, and 12 are reducing cone
Body, 13 is isometrical body.
Specific embodiment
Clearly to illustrate the present invention, illustrate with reference to its accompanying drawing below by specific embodiment.
Embodiment 1
The structure of blender
Fig. 1 schematically illustrates the general structure of the circulation blender of the present invention.
Defined with the direction of the ring-type blender in accompanying drawing in describing the invention upper and lower.Circulation blender includes tank body 1,
In first opening 2 and second opening 3 on top of the bottom of tank body 1, and the guide shell 4 that is fixed in tank body 1 of suspending,
Wherein, guide shell 4 is the cylinder-like structure of equal uncovered up and down.The inside of tank body 1 also includes being installed in the lower section of guide shell 4
Gas distributor 6, for example, gas distributor 6 can pass through the inside that support 8 is fixed in tank body 1；In tank body 1
Internal one end is connected with the first delivery pipe 10 of nozzle 5 and is passed into the inside of tank body 1 from the lower end of tank body 1, that is,
Say, the first delivery pipe 10 can be passed through at the first opening 2 and its two ends extends and tank body 1 respectively in the inside of tank body 1
Outside extension, it is also possible to pass through in the other positions of tank body 1 and its two ends extend and tank body respectively in the inside of tank body 1
1 outside extension.Wherein, in mixed material, for example gas can reach gas distributor 6 by the second delivery pipe 7,
The gas can be sprayed by the first delivery pipe 10 via the release gas of through hole 11 as described in Figure 3, liquid via nozzle 5
Go out to be discharged in the space of the restriction of guide shell 4, so as to using spray into liquid charging stock and injection kinetic energy entrained by gas raw material and
Density contrast in reactor flows come the solution-air circulation for forming rule, make the liquid-liquid in reactor it is gentle-liquid energy effectively mixes,
Realize that reaction unit can continue, stably and securely run.For example, when blender is used for synthesizing acetic acid by methanol low-voltage carbonylation
When, process is as follows：In the case of there is solvent and catalyst in tank body 1, material benzenemethanol is passed through into the first delivery pipe 10
Conveying and the inside of the penetrating tank body 1 of Jing nozzles 5, gas distribution is delivered into by raw material carbon monoxide by the second delivery pipe 7
Device 6, via through holes 11 are injected to the inside of tank body 1, and the solution-airmixture of entrained air bubbles is in the inside and outside formation rule of guide shell 4
Circulation, complete mass transfer and reaction.Reacted material, the first opening 2 of the bottom of liquid phase part Jing tank bodies 1 is extracted,
Be further fed into flash column (flash column be can be any prior art design, the present invention accompanying drawing in do not show) enter
Row flash distillation, isolated liquid phase component and gaseous component, liquid phase component is back to after cooling reactor, and gaseous component is sent into
Rectification separation is carried out in light component rectifying column, light component and heavy constituent is obtained, wherein restructuring is distributed in heavy constituent rectifying column
Row rectification is separated, and obtains acetate products.Second opening 3 on the top of gas phase portion Jing tank bodies 1 of reacting rear material is released, and is entered
Enter gas-liquid separator (gas-liquid separator be can be any prior art design, the present invention accompanying drawing 1 in do not show),
Isolated liquid phase part also enters such as flash column, isolated acetate products.
Distinguish the fixation problem of device 6 with regard to guide shell 4 and gas, can be solved by following structure, i.e., fit in tank body 1
Support 8 is set in the position for placing guide shell 4 and gas difference device 6, the end of support 8 is fixed with the side wall of tank body 1 and connected
Connect.The concrete structure of support is placed in, for example, can be cross frame or network.Preferably, the upper end of guide shell may be used also
It is fixedly connected with the side wall of tank body by least two poles with progress.
In one preferred embodiment, gas distributor 6 is located at the underface of guide shell 4, the gas distributor 6
For ring bodies, and multiple through holes 11 are distributed with.For example, average mark is furnished with 50-500 diameter on gas distributor 6
For the through hole 7 of 10mm.In the embodiment of, 240 a diameter of 10mm's of distribution is logical on gas distributor 6
Hole 7.
In order to realize effective circulation, the ratio of the diameter of the diameter and guide shell 4 that optimize gas distributor 6 is needed, and
The height of guide shell 4 and the ratio of its diameter.Therefore, in the embodiment of, the diameter of gas distributor 6 with lead
The ratio of the diameter of flow cartridge 4 is (0.5-0.9):1, the preferably ratio is (0.6-0.8):1, specifically, gas distributor
The ratio of 6 diameter and the diameter of guide shell 4 can adopt 0.7.In another embodiment, the height of guide shell 4 and its
The ratio of diameter is (0.8-2.5):1, the height of preferred guide shell 4 and the ratio of its diameter are (1.2-1.8):1, specifically,
The height of guide shell 4 and the ratio of its diameter can adopt 1.6.
Additionally, the ratio of the diameter of the diameter of gas distributor 6 and tank body 1 is also required to optimization, therefore, in the enforcement of one
In mode, the ratio of the diameter of gas distributor 6 and the diameter of tank body 1 is (0.2-0.8):1, the preferably ratio is
(0.4-0.6):1, specifically, the ratio of the diameter of gas distributor 6 and the diameter of tank body 1 can adopt 0.45.
Nozzle 5 can be the structure of nozzle of the prior art, and preferred nozzle 5 adopts straight tube structure or variable-diameter structure, for example
Nozzle 5 can include 13 two parts of isometrical body that reducing vertebral body 12 is fixedly connected with the narrow end of reducing vertebral body 12,
When using, liquid feedstock linear velocity can be set as 5-50m/s, liquid feedstock linear velocity can be set to 15-25m/s, be had
Body can be set to 20m/s.
Embodiment 2
Acetic acid is prepared using the blender of the present invention, schematic flow sheet is shown in Fig. 5.By mass flow for 2316g/h methanol and
The CO of 2311g/h is continuously introduced in 5L zirconium materials tank body 1, and by the Rh containing 200 weight ppm, 1500 weight ppm
Ir, the Ru of 1500 weight ppm, the iodomethane of 9 weight %, the water of 5.5 weight %, the methyl acetate of 12 weight %,
Remaining is passed through in tank body 1 for the reactant liquor (volume of reactant liquor is 4L) of the 528g of acetic acid and carries out carbonylation, reacts
Temperature be 195 DEG C, the pressure of reaction is 2.8MPa.By the mixture of gained after reaction by being connected with the first opening 2
Pipeline is sent in flash column and carries out flash distillation, and the gaseous component containing acetic acid and the acetic acid containing Rh, Ir and Ru are obtained in flash column
Solution.The acetum containing Rh, Ir and Ru in flash column is from the bottom of towe of flash column by connected first delivery pipe
10 flow back in tank body 1, and the gaseous component containing acetic acid is distillated into light component rectifying column from the tower top of flash column.Light component rectification
The condensed device condensation of steaming thing of column overhead, the condensed fluid containing iodomethane, water and methyl acetate divides in liquid liquid separator
Biphase into light phase and heavy phase, the heavy phase containing iodomethane and methyl acetate is returned in tank body 1 by the first delivery pipe 10, is contained
There are water and the light phase of methyl acetate to be back in light component rectifying column, the incoagulability tail gas that the tower top of light component rectifying column is steamed
It is sent to after absorption operation further absorbs iodomethane Jing liquid liquid separator and puts to torch burning.Acetic acid, a small amount of by-product third
Sour and a small amount of water is discharged in heavy constituent rectifying column from the bottom of towe of light component rectifying column, the rectification of Jing heavy constituent rectifying columns
Isolate product acetic acid.
Although by reference to preferred embodiment, invention has been described, without departing from the scope of the invention,
Various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as there is no structural hazard,
The every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in public in text
The specific embodiment opened, but including all technical schemes for falling within the scope of the appended claims.
Claims (10)
1. a kind of circulation blender, it includes：
Tank body containing at least one opening,
The guide shell of the inside of the tank body is fixed in suspension；
Nozzle below the guide shell, the nozzle with through tank wall and extend to the tank body inside the
One delivery pipe connects；
Be installed in the inside of the tank body, and the gas distributor below the guide shell, the gas distributor with wear
Cross the tank wall and extend to the second delivery pipe connection of the inside of the tank body.
2. circulation blender according to claim 1, it is characterised in that the gas distributor is ring bodies, and
Multiple through holes are distributed with the ring bodies.
3. circulation blender according to claim 1 and 2, it is characterised in that the axial direction of the gas distributor and institute
State the axially coincident of guide shell.
4. the circulation blender according to any one in claim 1-3, it is characterised in that the gas distributor
The ratio of the diameter of diameter and the tank body is (0.2-0.8):1, the preferably ratio is (0.4-0.6):1.
5. the circulation blender according to any one in claim 1-4, it is characterised in that the gas distributor
The ratio of the diameter of diameter and the guide shell is (0.5-0.9):1, the preferably ratio is (0.6-0.8):1.
6. the circulation blender according to any one in claim 1-5, it is characterised in that the height of the guide shell
It is (0.8-2.5) with the ratio of its diameter:1, the preferably ratio of the height of the guide shell and its diameter is (1.0-1.5):1.
7. the circulation blender according to any one in claim 1-6, it is characterised in that the nozzle includes reducing
The isometrical body that vertebral body is fixedly connected with the reducing vertebral body narrow end.
8. a kind of method of the circulation blender mixed material using as described in any one in claim 1-7, it include as
Lower step：
It is former so as to realize liquid and/or gaseous state using the gas distributor and nozzle injection liquid and/or gaseous feed
Material effectively mixes.
9. method according to claim 8, it is characterised in that the raw material includes methanol, carbon monoxide, catalyst
And solvent.
10. the circulation blender as described in any one in claim 1-7, and/or side as claimed in claim 8 or 9
Application of the method in liquid and/or gaseous feed mixing, the application particularly in synthesizing acetic acid by methanol low-voltage carbonylation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688558.8A CN106607004A (en) | 2015-10-21 | 2015-10-21 | Circulation mixer and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688558.8A CN106607004A (en) | 2015-10-21 | 2015-10-21 | Circulation mixer and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106607004A true CN106607004A (en) | 2017-05-03 |
Family
ID=58611466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510688558.8A Pending CN106607004A (en) | 2015-10-21 | 2015-10-21 | Circulation mixer and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106607004A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404700A (en) * | 2018-03-14 | 2018-08-17 | 厦门大学 | A kind of gas-lifting type rotation circulation efficient circulation mixing arrangement of no inner draft tube |
| CN110280203A (en) * | 2019-06-15 | 2019-09-27 | 郑州大学 | A kind of New Type of Tray quickly continuously generates hydrate device and method |
| CN110479131A (en) * | 2019-08-15 | 2019-11-22 | 中国石油大学(华东) | A kind of gas circulating both culturing microalgae carbon sequestration benefit carbon reactor |
| CN111468064A (en) * | 2019-01-24 | 2020-07-31 | 中国石化工程建设有限公司 | Reactor for preparing alkyl peroxide and application thereof |
| CN112779046A (en) * | 2020-11-06 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for preventing salt deposition corrosion of stripping tower of oil refining device |
| CN114797726A (en) * | 2022-04-29 | 2022-07-29 | 浙江长城搅拌设备股份有限公司 | Preparation device for precursor of lithium ion battery anode material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053371A (en) * | 2001-08-20 | 2003-02-25 | Ataka Construction & Engineering Co Ltd | Aeration mixing apparatus |
| CN2604434Y (en) * | 2003-01-30 | 2004-02-25 | 西南化工研究设计院 | Bubble tower converter for technology of methyl alcohol low pressure liquid phase carbonyl synthesizing acetic acid |
| CN201454534U (en) * | 2009-04-10 | 2010-05-12 | 天津大学 | Multi-guide-tube loop reactor |
| CN202410629U (en) * | 2011-12-31 | 2012-09-05 | 北京旭阳化工技术研究院有限公司 | Air-lift-type circulation flow reactor |
| CN202909705U (en) * | 2012-04-13 | 2013-05-01 | 北京旭阳化工技术研究院有限公司 | Air-lifting loop reactor |
| CN104028177A (en) * | 2013-03-06 | 2014-09-10 | 中石化上海工程有限公司 | Method for reinforcing mixing effect of hydraulic reaction apparatus |
| CN204656509U (en) * | 2015-06-02 | 2015-09-23 | 宁波象保合作区天吉自动化设备有限公司 | Airlift circulating reactor |
-
2015
- 2015-10-21 CN CN201510688558.8A patent/CN106607004A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003053371A (en) * | 2001-08-20 | 2003-02-25 | Ataka Construction & Engineering Co Ltd | Aeration mixing apparatus |
| CN2604434Y (en) * | 2003-01-30 | 2004-02-25 | 西南化工研究设计院 | Bubble tower converter for technology of methyl alcohol low pressure liquid phase carbonyl synthesizing acetic acid |
| CN201454534U (en) * | 2009-04-10 | 2010-05-12 | 天津大学 | Multi-guide-tube loop reactor |
| CN202410629U (en) * | 2011-12-31 | 2012-09-05 | 北京旭阳化工技术研究院有限公司 | Air-lift-type circulation flow reactor |
| CN202909705U (en) * | 2012-04-13 | 2013-05-01 | 北京旭阳化工技术研究院有限公司 | Air-lifting loop reactor |
| CN104028177A (en) * | 2013-03-06 | 2014-09-10 | 中石化上海工程有限公司 | Method for reinforcing mixing effect of hydraulic reaction apparatus |
| CN204656509U (en) * | 2015-06-02 | 2015-09-23 | 宁波象保合作区天吉自动化设备有限公司 | Airlift circulating reactor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404700A (en) * | 2018-03-14 | 2018-08-17 | 厦门大学 | A kind of gas-lifting type rotation circulation efficient circulation mixing arrangement of no inner draft tube |
| CN111468064A (en) * | 2019-01-24 | 2020-07-31 | 中国石化工程建设有限公司 | Reactor for preparing alkyl peroxide and application thereof |
| CN110280203A (en) * | 2019-06-15 | 2019-09-27 | 郑州大学 | A kind of New Type of Tray quickly continuously generates hydrate device and method |
| CN110280203B (en) * | 2019-06-15 | 2021-05-28 | 郑州大学 | Novel device and method for quickly and continuously generating hydrate by tower plate |
| CN110479131A (en) * | 2019-08-15 | 2019-11-22 | 中国石油大学(华东) | A kind of gas circulating both culturing microalgae carbon sequestration benefit carbon reactor |
| CN112779046A (en) * | 2020-11-06 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for preventing salt deposition corrosion of stripping tower of oil refining device |
| CN114797726A (en) * | 2022-04-29 | 2022-07-29 | 浙江长城搅拌设备股份有限公司 | Preparation device for precursor of lithium ion battery anode material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106607004A (en) | Circulation mixer and application thereof | |
| CN201454534U (en) | Multi-guide-tube loop reactor | |
| CN104549060B (en) | A kind of slurry bed circulatory flow reactor and application and the method for producing hydrogen peroxide | |
| CN103007862B (en) | Gas-liquid stirring reactor for synthesizing acrylic acid and ester through acetylene carbonylation method | |
| CN109679690A (en) | A kind of liquid-phase hydrogenatin system and liquid phase hydrogenating method | |
| CN101696024B (en) | Stirring-free method and device for producing sodium nitrate through continuous conversion | |
| US11919845B2 (en) | Reaction system and method for preparing butyraldehyde by propylene carbonylation | |
| CN105017206A (en) | Urea synthesis cyclic carbonate continuous reaction process, horizontal raw material continuous mixer and horizontal continuous reactor | |
| CN105944652A (en) | Tubular micro-channel alkylation reactor and application method thereof | |
| CN104971673A (en) | Liquid-liquid heterogeneous mixing-reaction-separation integrated short-contact cyclone reactor | |
| US10441931B2 (en) | Reactor and method for equilibrium-limited reactions | |
| CN205995420U (en) | A kind of bubble-liquid two-phase jet reactor and bubble-liquid two-phase jet reaction system | |
| CN203711001U (en) | Gas-liquid jet type circulation flow reactor | |
| CN106278836A (en) | Intermediate concentration formaldehyde and the apparatus and method of methylal synthesis polymethoxy dimethyl ether | |
| CN106076237A (en) | Tubulation couples microchannel alkylation reactor and application thereof with fixed bed | |
| CN202343197U (en) | Continuous production device for catalytic reaction adopting phase transfer catalyst | |
| CN111151201A (en) | Reaction device and system and method for synthesizing acetic acid by methanol carbonylation | |
| CN1935943A (en) | Coal hydrogenation reaction device and its industrial application | |
| CN101962352A (en) | Method for continuously producing p-menthane hydroperoxide by p-menthane and device thereof | |
| CN101092350B (en) | Oxidizing reactor in bubbling tower of internal circulation for producing aromatic acid | |
| CN212595615U (en) | Reaction unit and system for synthesizing acetic acid by methanol carbonyl | |
| CN104108683A (en) | Steady-state chlorine dioxide reactor | |
| CN109608418A (en) | A method of making hydrogen peroxide direct oxidation propylene continuous preparation of epoxypropane using tower reactor | |
| CN213995905U (en) | Spray type gas-liquid two-phase reaction device | |
| CN109679684A (en) | A kind of liquid-phase hydrogenatin reaction system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170503 |
|
| RJ01 | Rejection of invention patent application after publication |