CN105126363B - Concentration device special for propolis extracting solution - Google Patents

Concentration device special for propolis extracting solution Download PDF

Info

Publication number
CN105126363B
CN105126363B CN201510556720.0A CN201510556720A CN105126363B CN 105126363 B CN105126363 B CN 105126363B CN 201510556720 A CN201510556720 A CN 201510556720A CN 105126363 B CN105126363 B CN 105126363B
Authority
CN
China
Prior art keywords
tank
alcohol
concentrate
pipeline
gas pipeline
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.)
Active
Application number
CN201510556720.0A
Other languages
Chinese (zh)
Other versions
CN105126363A (en
Inventor
姚军
国占宝
谢旭东
张洪庆
韩胜明
冯浩然
周玮
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.)
Institute of Apicultural Research of Chinese Academy of Agricultural Sciences
Original Assignee
Institute of Apicultural Research of Chinese Academy of Agricultural Sciences
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 Institute of Apicultural Research of Chinese Academy of Agricultural Sciences filed Critical Institute of Apicultural Research of Chinese Academy of Agricultural Sciences
Priority to CN201510556720.0A priority Critical patent/CN105126363B/en
Publication of CN105126363A publication Critical patent/CN105126363A/en
Application granted granted Critical
Publication of CN105126363B publication Critical patent/CN105126363B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

The invention discloses a concentration device special for a propolis extracting solution. The concentration device comprises a concentration tank, a vacuum freezing drier, a condenser, an alcohol recovery tank, a vacuum buffering tank and a vacuum pump, and is characterized by further comprising a concentrated solution temporarily-storing tank, a pressure sensor, a controllable valve and a programmable controller, and the concentrated solution temporarily-storing tank and the concentration tank are communicated with a vacuum pipeline so that the concentration tank can conduct continuous discharge in a negative pressure state; the pressure sensor is installed on the alcohol recovery tank, the controllable valve is installed on the vacuum pipeline, the programmable controller is connected with the pressure sensor, the controllable valve and the vacuum pump through signals, and the vacuum pump can be controlled by the programmable controller to intelligently work through dynamic pressure balance. The concentration device has the advantages that the vacuum pump can intelligently work, alcohol loss is greatly reduced, and most importantly, the propolis active ingredient loss is effectively reduced.

Description

A kind of special enrichment facility of propolis extract
Technical field
The present invention relates to a kind of enrichment facility, and in particular to a kind of special enrichment facility of propolis extract, belongs to machinery Technical field.
Background technology
Propolis (propolis) integrates animals and plants elite, containing more than 300 kinds of chemical compositions, comprising: aromatic series, flavones Class, organic acid, terpenes, vitamin, enzyme etc., have the effect such as anti-oxidant, antibacterial, anti-inflammatory, antiviral, liver protection and anticancer. As a kind of natural materials of the physique that can improve health, improve, propolis is especially noticeable.
Mostly with alcohol as leaching liquor, the concentration step in technique is the step of non-the normally off key to existing propolis extraction process Suddenly.The quality of concentrator design determines the quality of product and the cost of production and efficiency.
Existing propolis concentrator has the unreasonable part of many designs, for example:
(1) vavuum pump stream time is long, consumes a large amount of electric energy and weares and teares also very fast;
(2) alcohol recycle tank temperature is too high, and a large amount of alcohol steams are entrained taking away, waste about 5-10%, and alcohol is lost Greatly;
(3) alcohol recycle tank and concentration tank only have recover normal pressure just after can discharging it is impossible to continuous work, reduce production effect Rate;
(4) the continuous long-time heating of a part of extract, a large amount of loss of active component may reduce the potency of propolis.
Content of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of special concentration dress of propolis extract Put, this enrichment facility can not only realize vavuum pump intelligent work, and can greatly reduce the loss of alcohol, most critical It is to reduce propolis active ingredients loss.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
The special enrichment facility of a kind of propolis extract, comprising: concentration tank (2) and concentration tank (2) pass through second liquid pipe The condenser that the vacuum freeze drier (32) that road (4) connects is connected by first gas pipeline (12) with concentration tank (2) (13) the alcohol recycle tank (26) being connected by second gas pipeline (14) with condenser (13) and alcohol recycle tank (26) are led to Cross the vacuum buffer tank (17) that third gas pipeline (15) connects and vacuum buffer tank (17) passes through the 4th gas pipeline (16) even Logical vavuum pump (20),
It is characterized in that, also include: concentrate temporary storage tank (6), pressure sensor (21), controllable valve (19) and can compile Range controller (22),
Aforementioned concentrate temporary storage tank (6) is connected with second liquid pipeline (4) by the 3rd fluid pipeline (5), passes through the 5th Gas pipeline (24) is connected with third gas pipeline (15), and concentrate temporary storage tank (6) is capable of under concentration tank (2) negative pressure state Continuous discharge;
Aforementioned pressure sensor (21) is arranged on alcohol recycle tank (26), and controllable valve (19) is arranged on the 4th gas On pipeline (16), Programmable Logic Controller (22) respectively with pressure sensor (21), controllable valve (19), vavuum pump (20) signal Connect, using Pressure behaviour balance, vavuum pump (20) is capable of intelligent work under the control of Programmable Logic Controller (22);
The inside of aforementioned alcohol recycle tank (26) adds cooling coil (27), outer wall adds heat preservation sandwich layer (28).
The special enrichment facility of aforesaid propolis extract is it is characterised in that also include: alcohol temporary storage tank (30),
Aforementioned alcohol temporary storage tank (30) is connected with alcohol recycle tank (26) by the 4th fluid pipeline (29), passes through the 6th gas Body pipeline (25) is connected with the 5th gas pipeline (24), and alcohol temporary storage tank (30) is capable of alcohol recycle tank (26) negative pressure state Lower continuous discharge.
The special enrichment facility of aforesaid propolis extract is it is characterised in that also include: concentrate blending tank (10),
Aforementioned concentrate blending tank (10) passes through the 5th fluid pipeline and the 6th fluid pipeline (11) is temporary with concentrate respectively Deposit tank (6) to connect with concentration tank (2), concentrate first flows into concentrate blending tank (10) from concentrate temporary storage tank (6), then flows into In concentration tank (2).
The special enrichment facility of aforesaid propolis extract is it is characterised in that also include: the explosion-proof pump of pneumatic diaphragm (8),
The explosion-proof pump (8) of aforementioned pneumatic diaphragm is arranged on the 5th fluid pipeline.
The special enrichment facility of aforesaid propolis extract is it is characterised in that add on the outer wall of aforementioned concentration tank (2) Heating interlayer (3).
The special enrichment facility of aforesaid propolis extract is it is characterised in that be only provided with the 4th gas pipeline (16) Return valve (18).
The invention has benefit that:
(1) install pressure sensor additional on alcohol recycle tank, pressure sensor is connected with Programmable Logic Controller signal again, utilize Pressure behaviour balance, it is achieved that vavuum pump intelligent work, decreases the working time of vavuum pump, and the working time of vavuum pump reduces To original 10-5%, greatly reduce the abrasion of equipment and the loss of the energy;
(2) inside of alcohol recycle tank adds cooling coil, outer wall adds heat preservation sandwich layer, cooling coil and thermal insulation clamp Layer reduces the temperature in alcohol recycle tank, decreases the double evaporation-cooling of alcohol, and cooperation vavuum pump open-interval reduces, greatly The loss reducing alcohol, within alcohol waste is reduced to 2% by original 8%;
(3) the concentrate temporary storage tank set up achieves continuous discharge under concentration tank negative pressure state, and continuous discharge can the company of avoiding Continuous long-time heating, thus propolis active ingredients loss can be reduced, propolis potency is high, and the quality of propolis is improved.
Brief description
Fig. 1 is the structural representation of a specific embodiment of the enrichment facility of the present invention.
The implication of in figure reference: 1- first liquid pipeline, 2- concentration tank, 3- heating interlayer, 4- second liquid pipeline, 5- the 3rd fluid pipeline, 6- concentrate temporary storage tank, 7- leading portion, the explosion-proof pump of 8- pneumatic diaphragm, 9- back segment, 10- concentrate blending tank, 11- the 6th fluid pipeline, 12- first gas pipeline, 13- condenser, 14- second gas pipeline, 15- third gas pipeline, 16- 4th gas pipeline, 17- vacuum buffer tank, 18- check-valves, 19- controllable valve, 20- vavuum pump, 21- pressure sensor, 22- Programmable Logic Controller, 23- the 8th fluid pipeline, 24- the 5th gas pipeline, 25- the 6th gas pipeline, 26- alcohol recycle Tank, 27- cooling coil, 28- heat preservation sandwich layer, 29- the 4th fluid pipeline, 30- alcohol temporary storage tank, 31- the 7th fluid pipeline, 32- Vacuum freeze drier, a- blast pipe, b- observation window.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is made with specific introduction.
With reference to Fig. 1, the enrichment facility that the propolis extract of the present invention is special includes: concentration tank 2, vacuum freeze drier 32nd, condenser 13, alcohol recycle tank 26, vacuum buffer tank 17 and vavuum pump 20, wherein, the inside of concentration tank 2 is provided with stirring Heating interlayer 3 is added on mechanism, outer wall, vacuum freeze drier 32 is connected by second liquid pipeline 4 with concentration tank 2, cold Condenser 13 is connected by first gas pipeline 12 with concentration tank 2, and alcohol recycle tank 26 passes through second gas pipeline with condenser 13 14 connections, vacuum buffer tank 17 connected by third gas pipeline 15 with alcohol recycle tank 26, vavuum pump 20 and vacuum buffer tank 17 are connected by the 4th gas pipeline 16, and the 4th gas pipeline 16 is provided with check-valves 18.The enrichment facility of the present invention also wraps Include: concentrate temporary storage tank 6, pressure sensor 21, controllable valve 19 and Programmable Logic Controller 22, wherein, concentrate temporary storage tank 6 Connected with second liquid pipeline 4 by the 3rd fluid pipeline 5, connected with third gas pipeline 15 by the 5th gas pipeline 24, Concentrate temporary storage tank 6 is capable of continuous discharge under concentration tank 2 negative pressure state, and continuous discharge can avoid continuous long-time heating, Thus propolis active ingredients loss can be reduced, propolis potency is high, and the quality of propolis is improved;Pressure sensor 21 is arranged on wine On smart recycling can 26, controllable valve 19 is arranged on the 4th gas pipeline 16, Programmable Logic Controller 22 respectively with pressure sensing Device 21, controllable valve 19, vavuum pump 20 signal connect, and using Pressure behaviour balance, vavuum pump 20 is in Programmable Logic Controller 22 Control under be capable of intelligent work, the working time of vavuum pump 20 reduces, and is reduced to original 10-5%, greatly reduces The loss of the abrasion of equipment and the energy.Additionally, in the apparatus of the present, the inside of alcohol recycle tank 26 adds cooler pan Pipe 27, outer wall add heat preservation sandwich layer 28, and cooling coil 27 and heat preservation sandwich layer 28 can reduce the temperature in alcohol recycle tank 26, subtract The double evaporation-cooling of few alcohol, cooperation vavuum pump 20 open-interval reduces, and can greatly reduce the loss of alcohol, alcohol waste Within being reduced to 2% by original 8%.
As a kind of preferred scheme, the enrichment facility of the present invention also includes: alcohol temporary storage tank 30.Alcohol temporary storage tank 30 is led to Cross the 4th fluid pipeline 29 to connect with alcohol recycle tank 26, connect with the 5th gas pipeline 24 by the 6th gas pipeline 25, wine Smart temporary storage tank 30 is capable of continuous discharge under alcohol recycle tank 26 negative pressure state.
As a kind of preferred scheme, the enrichment facility of the present invention also includes: concentrate blending tank 10.Concentrate blending tank 10 pass through the 5th fluid pipeline and the 6th fluid pipeline 11 is connected with concentrate temporary storage tank 6 and concentration tank 2 respectively, concentrate first from Concentrate temporary storage tank 6 flows in concentrate blending tank 10, then flows in concentration tank 2.
It is further preferred that the explosion-proof pump of pneumatic diaphragm 8 is also equipped with the 5th fluid pipeline, the explosion-proof pump of pneumatic diaphragm 8 5th fluid pipeline is separated into two sections of before and after, is designated as leading portion 7, back segment 9 respectively.
All fill in concentration tank 2, concentrate temporary storage tank 6, concentrate blending tank 10, alcohol recycle tank 26 and alcohol temporary storage tank 30 There is liquid, in order to ensure that liquid can smoothly flow out, each tank is designed with blast pipe a at top, grasps each tank for convenience The altitudes of interior liquid level, each tank is designed with observation window b on top.
Additionally, grasping the altitudes of liquid level in vacuum buffer tank 17 for convenience, vacuum buffer tank 17 is provided with bottom Observation window b.
It should be noted that the common knowledge that valve is this area is installed on connecting pipe, will not be described here.
Using the process that assembly of the invention concentrates propolis extract it is:
Propolis extract enters in concentration tank 2 via first liquid pipeline 1, presss from both sides with heating under the stirring of rabbling mechanism Under the heating of layer 3, vaporized alcohol in propolis extract, propolis extract is concentrated, wherein:
(1) alcohol: the alcohol of evaporation enters into condensation, condensed alcohol in condenser 13 via first gas pipeline 12 Enter in alcohol recycle tank 26 via second gas pipeline 14, the alcohol in alcohol recycle tank 26 is in the effect of cooling coil 27 Under cooling (cooling can reduce the double evaporation-cooling of alcohol, reduces the loss of alcohol) further, meanwhile, pressure sensor 21 obtains Take the pressure data in alcohol recycle tank 26, when pressure is more than certain numerical value (such as 0.020mp), Programmable Logic Controller 22 is controlled Controllable valve 19 processed and vavuum pump 20 order are opened, and the gas in alcohol recycle tank 26 is via third gas pipeline 15, vacuum Surge tank 17, the 4th gas pipeline 16 are taken away by vavuum pump 20, and the pressure in alcohol recycle tank 26 is gradually lowered, when pressure is less than During certain numerical value (such as 0.008mp), Programmable Logic Controller 22 controls controllable valve 19 and vavuum pump 20 orderly close-down, alcohol Alcohol in recycling can 26 is flowed in alcohol temporary storage tank 30 via the 4th fluid pipeline 29 and keeps in (because alcohol is not completely cold But, still have a small amount of alcohol steam to produce, by alcohol in the alcohol temporary storage tank 30 temporary after, can to this part alcohol steam again Reclaim), alcohol temporary storage tank 30 is recovered to normal pressure, and alcohol continuously goes out via the 7th fluid pipeline 31 of alcohol temporary storage tank 30 bottom Material, the alcohol in vacuum buffer tank 17 accumulate a certain amount of after through being discharged by the 8th fluid pipeline 23 of its bottom, the present invention's Enrichment facility utilizes Pressure behaviour to balance it is achieved that vavuum pump 20 intelligent work, decreases the working time of vavuum pump 20, experience Card, the working time of vavuum pump 20 is reduced to original 10-5%, greatly reduces the abrasion of equipment and the loss of the energy, this Outward, the working time of vavuum pump 20 reduces and plus cooling coil 27, alcohol is cooled down, and the enrichment facility of the present invention can pole The loss of big reduction alcohol, empirical tests, within alcohol waste is reduced to 2% by original 8%;
(2) concentrate: the propolis extract obtaining initial concentration leans on gravity via second liquid pipeline 4 and the 3rd liquid line Road 5 enters in concentrate temporary storage tank 6, opens the blast pipe a in concentrate temporary storage tank 6, makes concentrate temporary storage tank 6 recover normal Pressure, starts the explosion-proof pump of pneumatic diaphragm 8, in the presence of the explosion-proof pump of pneumatic diaphragm 8, the concentrate in concentrate temporary storage tank 6 is taken out Enter in concentrate blending tank 10 (being placed in parallel with concentration tank 2), the concentrate in concentrate blending tank 10 is via the 6th liquid Pipeline 11 enters in concentration tank 2 and is concentrated again, and so circulation concentrates, after the concentrate in concentration tank 2 reaches requirement, Enter in vacuum freeze drier 32 via second liquid pipeline 4 and be dried, drying finishes and obtains refined propolis;
(3) other: have a small amount of alcohol steam due in concentrate temporary storage tank 6 and alcohol temporary storage tank 30, so by two Person is connected with third gas pipeline 15 with the 6th gas pipeline 25 by the 5th gas pipeline 24 respectively, using vavuum pump 20 to two Person carries out suitable vacuumizing, and on the one hand (connects for realizing concentration tank 2 and alcohol recycle tank 26 continuous discharge under negative pressure state Continuous discharging can avoid continuous long-time heating, thus propolis active ingredients loss can be reduced, propolis potency is high, and the quality of propolis obtains To raising), on the other hand reach the purpose of recovered alcohol, reduce the loss of alcohol.
In sum, the enrichment facility of the present invention passes through the working time reducing vavuum pump, the loss reducing alcohol, raising The quality of propolis, it is possible to obtain preferably economic benefit, social benefit and environmental protection benefit, has good popularization and application valency Value.
It should be noted that above-described embodiment the invention is not limited in any way, all employing equivalents or equivalent change The technical scheme that the mode changed is obtained, all falls within protection scope of the present invention.

Claims (6)

1. the special enrichment facility of a kind of propolis extract, comprising: concentration tank (2) and concentration tank (2) pass through second liquid pipeline Condenser (13) that the vacuum freeze drier (32) (4) connecting is connected by first gas pipeline (12) with concentration tank (2), The alcohol recycle tank (26) being connected by second gas pipeline (14) with condenser (13) and alcohol recycle tank (26) pass through the 3rd The vacuum buffer tank (17) that gas pipeline (15) connects and vacuum buffer tank (17) by the 4th gas pipeline (16) connect true Empty pump (20),
It is characterized in that, also include: concentrate temporary storage tank (6), pressure sensor (21), controllable valve (19) and programmable control Device (22) processed,
Described concentrate temporary storage tank (6) is connected with second liquid pipeline (4) by the 3rd fluid pipeline (5), passes through the 5th gas Pipeline (24) is connected with third gas pipeline (15), and concentrate temporary storage tank (6) is capable of under concentration tank (2) negative pressure state continuously Discharging;
Described pressure sensor (21) is arranged on alcohol recycle tank (26), and controllable valve (19) is arranged on the 4th gas pipeline (16), on, Programmable Logic Controller (22) is respectively with pressure sensor (21), controllable valve (19), vavuum pump (20) signal even Connect, using Pressure behaviour balance, vavuum pump (20) is capable of intelligent work under the control of Programmable Logic Controller (22);
The inside of described alcohol recycle tank (26) adds cooling coil (27), outer wall adds heat preservation sandwich layer (28).
2. the special enrichment facility of propolis extract according to claim 1 is it is characterised in that also include: alcohol is kept in Tank (30),
Described alcohol temporary storage tank (30) is connected with alcohol recycle tank (26) by the 4th fluid pipeline (29), passes through the 6th flue Road (25) is connected with the 5th gas pipeline (24), and alcohol temporary storage tank (30) is capable of connecting under alcohol recycle tank (26) negative pressure state Continuous discharging.
3. the special enrichment facility of propolis extract according to claim 1 is it is characterised in that also include: concentrate mixes Close tank (10),
Described concentrate blending tank (10) pass through the 5th fluid pipeline and the 6th fluid pipeline (11) respectively with concentrate temporary storage tank (6) connect with concentration tank (2), concentrate first flows into concentrate blending tank (10) from concentrate temporary storage tank (6), then flows into concentration In tank (2).
4. the special enrichment facility of propolis extract according to claim 3 is it is characterised in that also include: pneumatic diaphragm Explosion-proof pump (8),
The explosion-proof pump (8) of described pneumatic diaphragm is arranged on the 5th fluid pipeline.
5. the special enrichment facility of propolis extract according to claim 1 is it is characterised in that described concentration tank (2) Heating interlayer (3) is added on outer wall.
6. the special enrichment facility of propolis extract according to claim 1 is it is characterised in that the 4th gas pipeline (16) On check-valves (18) is installed.
CN201510556720.0A 2015-09-02 2015-09-02 Concentration device special for propolis extracting solution Active CN105126363B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510556720.0A CN105126363B (en) 2015-09-02 2015-09-02 Concentration device special for propolis extracting solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510556720.0A CN105126363B (en) 2015-09-02 2015-09-02 Concentration device special for propolis extracting solution

Publications (2)

Publication Number Publication Date
CN105126363A CN105126363A (en) 2015-12-09
CN105126363B true CN105126363B (en) 2017-01-25

Family

ID=54712147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510556720.0A Active CN105126363B (en) 2015-09-02 2015-09-02 Concentration device special for propolis extracting solution

Country Status (1)

Country Link
CN (1) CN105126363B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106669205A (en) * 2017-01-24 2017-05-17 常州欧芙农业科技发展有限公司 Positive pressure concentration device
CN111265909B (en) * 2020-03-25 2023-12-29 刘向东 Multiple-effect evaporation concentration crystallizer and evaporation concentration crystallization method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05137970A (en) * 1991-11-19 1993-06-01 Mitsui Eng & Shipbuild Co Ltd Method of recovering alcohol
CN201676553U (en) * 2010-05-21 2010-12-22 温州正展机械有限公司 Integral functional application unit
CN202136819U (en) * 2011-06-07 2012-02-08 大连海尔思科技有限公司 Recovery unit for recovering alcohol dissolved in propolis
CN102321699A (en) * 2011-06-24 2012-01-18 江苏江大源生态生物科技有限公司 Method for composite enzymolysis-assisted extraction of active ingredient from propolis
CN204910808U (en) * 2015-09-02 2015-12-30 中国农业科学院蜜蜂研究所 Dedicated enrichment facility of propolis extract

Also Published As

Publication number Publication date
CN105126363A (en) 2015-12-09

Similar Documents

Publication Publication Date Title
WO2005067864A1 (en) Decompression extraction device for extracting chinese medicine
CN101757802B (en) Energy-saving device for extracting and concentrating traditional Chinese medicine under low-temperature by reduced-pressure method
CN105841472B (en) A kind of grain alternating temperature vacuum dryer and method
CN105126363B (en) Concentration device special for propolis extracting solution
CN103301640B (en) Concentration method and device for traditional Chinese medicine extracting solution
CN205784440U (en) A kind of grain alternating temperature vacuum dryer
CN206190524U (en) Oil ring vacuum system
CN201423185Y (en) Alcohol recovery device
CN101444683A (en) Device for extracting specific components from solid sample
CN201921128U (en) Efficient and energy-saving complete equipment for low-temperature extraction and concentration of Chinese traditional medicines
CN205412339U (en) Liquid is degasser for chemical fertilizer
CN204910808U (en) Dedicated enrichment facility of propolis extract
CN209204719U (en) A kind of continous way traditional Chinese medicine extraction concentration systems
CN204737937U (en) Functional vegetable oil extraction element has
CN208346126U (en) Fermented grain distilling apparatus
CN103055536A (en) Heat reflux extraction and concentration equipment
CN204891264U (en) Closed distillation plant
CN205099408U (en) Kitchen garbage handles and uses oil -water separator
CN210251288U (en) Oil gas recovery condensing equipment
CN207356615U (en) Hot reflux extracting-concentration machine group
CN206724573U (en) A kind of system that nitrogen is reclaimed in the tail gas from vacuum drying oven
CN208193710U (en) A kind of rectification under vacuum system
CN203389342U (en) Concentration device of traditional Chinese medicine extracting solution
CN105833559A (en) Industrial separation equipment
CN2889433Y (en) Flash type concentrator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant