CN108854822A - A kind of combined type stirring system - Google Patents

A kind of combined type stirring system Download PDF

Info

Publication number
CN108854822A
CN108854822A CN201811038214.2A CN201811038214A CN108854822A CN 108854822 A CN108854822 A CN 108854822A CN 201811038214 A CN201811038214 A CN 201811038214A CN 108854822 A CN108854822 A CN 108854822A
Authority
CN
China
Prior art keywords
agitator tank
circulation pump
combined type
type stirring
stirring system
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
Application number
CN201811038214.2A
Other languages
Chinese (zh)
Inventor
王德喜
崔玮琳
王猛
刘波
赵曦波
高倩楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAOYANG BOSHI FLUID EQUIPMENT CO Ltd
Original Assignee
LIAOYANG BOSHI FLUID EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIAOYANG BOSHI FLUID EQUIPMENT CO Ltd filed Critical LIAOYANG BOSHI FLUID EQUIPMENT CO Ltd
Priority to CN201811038214.2A priority Critical patent/CN108854822A/en
Publication of CN108854822A publication Critical patent/CN108854822A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/82Combinations of dissimilar mixers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20Jet mixers, i.e. mixers using high-speed fluid streams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/51Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is circulated through a set of tubes, e.g. with gradual introduction of a component into the circulating flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/70Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/72Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention discloses a kind of combined type stirring systems, including agitator tank, disc type fluidic system, central jet system, first circulation pump, second circulation pump.The stirring system provides power for the stirring of agitator tank, promotes the circulation hybrid motion in agitator tank between each fluid using first circulation pump and second circulation pump as power source, simultaneously, disc type fluidic system and central jet system are combined, easy to use, mixed effect is good.In addition, this composite structure realizes the rapid mixing between multi-fluid, work efficiency is high.Without dead angle, saving energy, the degree that homogenizes height in entire whipping process.And mechanical breakdown hidden danger existing for this system is few, and long service life, the later period is non-maintaining, save the cost, applied widely.

Description

A kind of combined type stirring system
Technical field
The present invention relates to suspensions to store mixing plant technical field, and in particular to a kind of combined type stirring system.
Background technique
Petrochemical industry production, nuclear fuel storage, high solid component coating storage, solid rocket propellant medicine slurry casting, It detects a flaw in the industrial productions such as magnetic flaw detection ink allotment, aluminum oxide raw slurry allotment, often encounters what liquid was mixed with little particle Products, this kind of product such as suspension, emulsion, petroleum crude oil, product oil high solid component coating largely belong to non newtonian liquid Body.
Due to each component great disparity in mass of non-newtonian liquid, mixed with foreign liquid when density contrast great disparity, and liquid is viscous Degree can be reduced with the raising of temperature, it is serious in storage layered phenomenon to be led to non-newtonian liquid, or even solid is caused to deposit, caused Prevent it from accurately measuring or carrying out quality analysis, influences the measurement of product quality, quality dispute occurs.Moreover, solid deposits The storage space of tank body can be reduced afterwards.
Therefore, the non-newtonian liquid raw material stored for a long time, which has to pass through, to homogenize again and can use, meanwhile, deposition Solid is disturbed, and can effectively avoid the storage capacity decline of tank body.
Agitating mode common at present has following several:
Machinery rotation agitating mode, be suitable in, low-pressure vertical steel vessel, by stirring blade in mixed material fluid Stirring is completed in middle rotation.The transmission parts that this mode needs to rely on are more, easily generation mechanical breakdown;Installation is complicated, service radius Small, stirring dead angle area is big.
Air-flow homogeneous agitating mode is suitable for corrosive liquids and high temperature high pressure liquid, suitable for large scale equipment or constructs Mechanical rotating stirring device is difficult to the occasion installed and used in object.By being generated to fluid by gas injection to fluid layer Stirring action, or be distributed to gas behind fluid bottom and promotion liquid generation convection circulation is risen with high density state, to realize Stirring.Which is unsuitable for high viscosity liquid, is unsuitable for easily producing the liquid of bubble, and require stirring air-flow that cannot send out with material Biochemical reaction, applicable elements are limited.
Ultrasound field energy agitating mode, using the generating collision propagation characteristic of acoustic wavefield in a fluid come Accelerative mass transfer rate (molecule is vibrated by audio frequency), primary efficacy are to accelerate chemical reaction rate, but application range is narrow;Regular dredging is needed, Dredging and processing deposit are at high cost;In addition to main equipment, cost of labor, vulnerable part cost, operation expense, synthesis are also needed Cost is high;And in replacement allotment medium as needed, there are medium pollutions.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of combined type stirring system, to solve existing stirring system stirring The low problem of low efficiency, the degree that homogenizes.
To achieve the above object, the embodiment of the present invention provides a kind of combined type stirring system, the combined type stirring system Including:Agitator tank, disc type fluidic system, central jet system, first circulation pump, second circulation pump, the disc type fluidic system The lower inside of the agitator tank is set, and the central jet system is located at the center of the agitator tank;The first circulation The entrance of pump connects the inner cavity top of the agitator tank, and the outlet of the first circulation pump connects the first outlet tube and second simultaneously Outlet tube, first outlet tube and the central jet system connectivity, second outlet tube and the disc type fluidic system Connection;The entrance of the second circulation pump is connect with the inner cavity lower part of the agitator tank, the outlet of the second circulation pump and institute State the connection of central jet system.
Preferably, the combined type stirring system further includes the first valve and the second valve, and the first valve setting exists Between the outlet and first outlet tube of the first circulation pump, going out for the first circulation pump is arranged in second valve Between mouth and second outlet tube.
Preferably, the disc type fluidic system includes disc type endless tube and nozzle, and the disc type endless tube is fixed on the stirring The inner wall of tank is connect with second outlet tube, and the nozzle is connected to the disc type endless tube.
Preferably, the nozzle sum is 10~36.
Preferably, the longitudinal center line of the nozzle and level intersect 30 °~150 ° downwards.
Preferably, multiple, axis of multiple central jet systems along the agitator tank is arranged in the central jet system The setting of line interval.
Preferably, the central jet system includes mixing chamber and jet stream arm, and the jet stream arm is connect with the mixing chamber, The mixing chamber is connect with the outlet that first outlet tube and the second circulation pump.
Preferably, the jet stream arm uses Venturi throat structure.
Preferably, the combined type stirring system further includes barricade, and the barricade is fixed on the inner wall of the agitator tank Portion forms feed liquor area, the entrance in the feed liquor area and first circulation pump between the barricade and the inner wall of the agitator tank Connection.
The embodiment of the present invention has the following advantages that:
Combined type stirring system provided in an embodiment of the present invention includes:Agitator tank, disc type fluidic system, central jet system System, first circulation pump, second circulation pump.Wherein, first circulation pump, second circulation pump are mentioned as the stirring that power source is agitator tank For power, promote the circulation hybrid motion in agitator tank between each fluid.Disc type fluidic system or dish-style fluidic system, setting In the lower inside of agitator tank, high-speed jet can produce, the solid at agitator tank bottom can be acted on biggish effluxvelocity Deposit or compared with heavy suspension, emulsion, plays it clearly, is mixed after being switched to central jet stirring system.Center is penetrated Stream stirring system is located at the center of agitator tank, can spray low speed, light fluid downwards, makes its heavy-fluid constantly with stirring pot bottom Mixing is then stirred continuously by flow field effect and mixes more uniform so as to stir pot liquid.The embodiment of the present invention is by disk Formula fluidic system is combined with central jet system, easy to install and use, good mixing effect;Composite structure realizes multithread Rapid mixing between body, work efficiency is high;In entire whipping process without dead angle, energy saving, the degree that homogenizes height;And Mechanical breakdown hidden danger is few, and long service life, the later period is non-maintaining, and save the cost is applied widely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the combined type stirring system that the embodiment of the present invention 1 provides.
The structure top view of disc type fluidic system in the combined type stirring system that Fig. 2 provides for the embodiment of the present invention 1.
Disc type fluidic system and agitator tank part-structure in the combined type stirring system that Fig. 3 provides for the embodiment of the present invention 1 Longitudinal cross section schematic.
Wherein, 1- agitator tank, 2- disc type fluidic system, 21- disc type endless tube, 22- nozzle, 3- central jet system, 31- are mixed Close chamber, 32- jet stream arm, 4- first circulation pump, 5- second circulation pump, the first outlet tube of 6-, the second outlet tube of 7-, the first valve of 8- Door, 9 second valves, 10- barricade.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
As shown in Figure 1, 2, 3, combined type stirring system provided in this embodiment includes:Agitator tank 1, disc type fluidic system 2, Central jet system 3, first circulation pump 4, second circulation pump 5.The lower inside of agitator tank 1 is arranged in disc type fluidic system 2, in Heart fluidic system 3 is located at the center of agitator tank 1.The inner cavity top of the entrance connection agitator tank 1 of first circulation pump 4, first circulation The outlet of pump 4 connects the first outlet tube 6 simultaneously and the second outlet tube 7, the first outlet tube 6 are connected to central jet system 3, and second Outlet tube 7 is connect with disc type fluidic system 2.The entrance of second circulation pump 5 is connect with the inner cavity lower part of agitator tank 1, second circulation The outlet of pump 5 is connect with central jet system 3.
The first valve 8 is also set up between the outlet and the first outlet tube 6 of first circulation pump 4, in going out for first circulation pump 4 Second valve 9 is set between mouth and the second outlet tube 7.
Disc type fluidic system 2 includes disc type endless tube 21 and nozzle 22, and disc type endless tube 21 is fixed on the inner wall of agitator tank 1, water Flat setting, connect with the second outlet tube 7, and nozzle 22 is connected to disc type endless tube 21, the longitudinal center line of nozzle 22 and level towards Under intersect 30 °~150 °, in general, nozzle sum be 10~36.
Central jet system 3 includes mixing chamber 31 and jet stream arm 32, and jet stream arm 32 is connect with mixing chamber 31, mixing chamber 31 and First outlet tube 6 is connected with the outlet of second circulation pump 5.Jet stream arm 32 uses Venturi throat structure.
Barricade 10 is fixedly installed in the upper inside wall of agitator tank 1, forms feed liquor between barricade 10 and the inner wall of agitator tank 1 Area, feed liquor area are connect with the entrance of first circulation pump 4.Barricade 10 is set and is effectively prevented from first circulation pump 4 in the process of suction In influence the turbulent flow formed in agitator tank 1 so that it is more efficient to homogenize.
The course of work of combined type stirring system provided in this embodiment is:
The first valve 8 is opened, so that first circulation pump 4 is sent to the disc type of disc type fluidic system 2 after sucking supernatant Endless tube 21 can cause high-speed jet via nozzle 22, and high-speed jet impact bottom settlings object simultaneously quickly makes liquid consolidate mixing, makes Heavy liquid, which generates, in tank rises flowing.
The second valve 9 is opened, first circulation pump 4 is sent to the mixing chamber 31 of central jet system 3 after sucking supernatant, It is sprayed with high-velocity fluid from jet stream arm 32, forms turbulent flow in agitator tank 1, meanwhile, negative pressuren zone is formed in mixing chamber 31, second follows Tank bottom heavy-fluid is pumped to mixing chamber 31 and continues to mix by ring pump 5, is sprayed, is moved in circles by jet stream arm 32, realization homogenizes.
Combined type stirring system provided in this embodiment is stirred, disk at the initial stage of using mainly by disc type fluidic system 2 The structure of nozzle 22 on formula endless tube 21 is Venturi tube structure, can cause high-speed jet, the nozzle 22 on 1 disc type endless tube 21 can It to stir the surrounding liquid of 4 times of volumes, while realizing impact bottom settlings object, accelerates liquid and mix admittedly, make the heavy in agitator tank 1 Liquid, which generates, rises flowing.Phase after use, start central jet stirring system 3, promotion supernatant is mixed with lower part heavy industry It closes, guarantees the degree that homogenizes
Embodiment 2
The present embodiment and the combined type stir system design that embodiment 1 provides are essentially identical.In the present embodiment, center is penetrated Streaming system setting is multiple, and multiple central jet systems are arranged along the axis interval of agitator tank.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.

Claims (9)

1. a kind of combined type stirring system, which is characterized in that the combined type stirring system includes:Agitator tank (1), disc type jet stream System (2), central jet system (3), first circulation pump (4), second circulation pump (5), disc type fluidic system (2) setting exist The lower inside of the agitator tank (1), the central jet system (3) are located at the center of the agitator tank (1);Described first follows The entrance that ring pumps (4) connects the inner cavity top of the agitator tank (1), and the outlet of the first circulation pump (4) connects first simultaneously Outlet tube (6) and the second outlet tube (7), first outlet tube (6) are connected to the central jet system (3), and described second Outlet tube (7) is connect with the disc type fluidic system (2);The entrance of the second circulation pump (5) is interior with the agitator tank (1) The outlet of the connection of chamber lower part, the second circulation pump (5) is connect with the central jet system (3).
2. combined type stirring system according to claim 1, which is characterized in that the combined type stirring system further includes One valve (8) and the second valve (9), the first valve (8) setting is in the outlet and described first of first circulation pump (4) Between outlet tube (6), outlet and second outlet tube (7) of the second valve (9) setting in first circulation pump (4) Between.
3. combined type stirring system according to claim 1, which is characterized in that the disc type fluidic system (2) includes disk Formula endless tube (21) and nozzle (22), the disc type endless tube (21) are fixed on the inner wall of the agitator tank (1) and described second and go out liquid (7) connection is managed, the nozzle (22) is connected to the disc type endless tube (21).
4. combined type stirring system according to claim 3, which is characterized in that nozzle (22) sum is 10~36 It is a.
5. combined type stirring system according to claim 3, which is characterized in that the longitudinal center line of the nozzle (22) with Level intersects 30 °~150 ° downwards.
6. combined type stirring system according to claim 1, which is characterized in that central jet system (3) setting is more A, multiple central jet systems (3) are arranged along the axis interval of the agitator tank (1).
7. combined type stirring system according to claim 1, which is characterized in that the central jet system (3) includes mixed Close chamber (31) and jet stream arm (32), the jet stream arm (32) connect with the mixing chamber (31), the mixing chamber (31) with it is described First outlet tube (6) is connected with the outlet of second circulation pump (5).
8. combined type stirring system according to claim 7, which is characterized in that the jet stream arm (32) uses venturi larynx Pipe structure.
9. combined type stirring system according to claim 1, which is characterized in that the combined type stirring system further includes gear Wall (10), the barricade (10) are fixed on the upper inside wall of the agitator tank (1), the barricade (10) and the agitator tank (1) Inner wall between form feed liquor area, the entrance that the feed liquor area pumps (4) with the first circulation connect.
CN201811038214.2A 2018-09-06 2018-09-06 A kind of combined type stirring system Pending CN108854822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811038214.2A CN108854822A (en) 2018-09-06 2018-09-06 A kind of combined type stirring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811038214.2A CN108854822A (en) 2018-09-06 2018-09-06 A kind of combined type stirring system

Publications (1)

Publication Number Publication Date
CN108854822A true CN108854822A (en) 2018-11-23

Family

ID=64323140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811038214.2A Pending CN108854822A (en) 2018-09-06 2018-09-06 A kind of combined type stirring system

Country Status (1)

Country Link
CN (1) CN108854822A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109430217A (en) * 2018-12-12 2019-03-08 济南大学 A kind of spraying machine mixes medicine and medication delivery systems and method
CN109939575A (en) * 2019-04-29 2019-06-28 河南卷烟工业烟草薄片有限公司 A kind of powder polyacrylamide dissolver
CN113799253A (en) * 2021-09-29 2021-12-17 青岛亿联建设集团股份有限公司 Commercial concrete member forming device of prefabricated formula
CN115400642A (en) * 2022-11-01 2022-11-29 联仕(昆山)化学材料有限公司 Electronic grade negative photoresist developer solution configuration stirring equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2253554A1 (en) * 1996-05-03 1997-11-13 Lindenport Sa Method and device for liquefaction of sediments of thickened crude oil
CN101612535A (en) * 2009-08-04 2009-12-30 上海巴斯夫聚氨酯有限公司 Blending tank is provided with the dinitrotoluene (DNT) process units of ejector mixing
CN107158982A (en) * 2017-06-15 2017-09-15 江苏金曼科技有限责任公司 A kind of dissolver of indissoluble material
CN208771347U (en) * 2018-09-06 2019-04-23 辽阳博仕流体设备有限公司 A kind of combined type stirring system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2253554A1 (en) * 1996-05-03 1997-11-13 Lindenport Sa Method and device for liquefaction of sediments of thickened crude oil
CN101612535A (en) * 2009-08-04 2009-12-30 上海巴斯夫聚氨酯有限公司 Blending tank is provided with the dinitrotoluene (DNT) process units of ejector mixing
CN107158982A (en) * 2017-06-15 2017-09-15 江苏金曼科技有限责任公司 A kind of dissolver of indissoluble material
CN208771347U (en) * 2018-09-06 2019-04-23 辽阳博仕流体设备有限公司 A kind of combined type stirring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109430217A (en) * 2018-12-12 2019-03-08 济南大学 A kind of spraying machine mixes medicine and medication delivery systems and method
CN109430217B (en) * 2018-12-12 2024-05-14 山东博胜动力科技股份有限公司 Spraying machine medicine mixing and supplying system and method
CN109939575A (en) * 2019-04-29 2019-06-28 河南卷烟工业烟草薄片有限公司 A kind of powder polyacrylamide dissolver
CN113799253A (en) * 2021-09-29 2021-12-17 青岛亿联建设集团股份有限公司 Commercial concrete member forming device of prefabricated formula
CN115400642A (en) * 2022-11-01 2022-11-29 联仕(昆山)化学材料有限公司 Electronic grade negative photoresist developer solution configuration stirring equipment

Similar Documents

Publication Publication Date Title
CN108854822A (en) A kind of combined type stirring system
CN208771347U (en) A kind of combined type stirring system
US9446358B2 (en) Process and apparatus of mixing a fluid within a vessel
CN109821435B (en) Hydrodynamic cavitation device for preparing blending lubricating oil through oil-water mixing
CN108325462A (en) A kind of agitating device that efficient mechanical agitation is combined with air agitation
CN209771868U (en) Stirrer and stirring device
CN105688729B (en) The three-level mixing device of hydrodynamics automatic control
RU171497U1 (en) Jet mixing device
CN214389658U (en) Liquid jet mixer
US8596857B2 (en) Means and method for mixing a particulate material and a liquid
CN208260682U (en) A kind of agitating device of efficient mechanical stirring in conjunction with air agitation
US20090316518A1 (en) Vertical mixing tank
CN208771231U (en) A kind of thermally conductive stirring system
CN210645920U (en) Fluid stirring device
CN204395875U (en) A kind of ultrasonic vibration agitating device
RU172010U1 (en) Jet mixing device
CN109142119B (en) Device for testing abrasion resistance and cavitation erosion resistance of material
CN107649063B (en) Nanometer material ultrasonic resonance emulsification blending device
CN108786511A (en) A kind of heat conduction stirring system
CN203043913U (en) Air stirring device
RU2782587C1 (en) Mixing liquid device
CN106754288B (en) Anaerobic digester and its stir process method
CN217473354U (en) Nano solid particle oil displacement agent blending device
CN218516487U (en) Calcium silicate board powder raw material stirring device
CN220697647U (en) Small solid particle cleaning equipment adhered with soil

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: 20181123

RJ01 Rejection of invention patent application after publication