CN108128951A - A kind of chemical waste liquid distilling apparatus of environmental protection and energy saving - Google Patents
A kind of chemical waste liquid distilling apparatus of environmental protection and energy saving Download PDFInfo
- Publication number
- CN108128951A CN108128951A CN201711402745.0A CN201711402745A CN108128951A CN 108128951 A CN108128951 A CN 108128951A CN 201711402745 A CN201711402745 A CN 201711402745A CN 108128951 A CN108128951 A CN 108128951A
- Authority
- CN
- China
- Prior art keywords
- waste liquid
- tank
- alembic
- environmental protection
- shaft
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
Abstract
The invention discloses a kind of chemical waste liquid distilling apparatus of environmental protection and energy saving, and including ontology, alembic, waste liquid preheating tank, waste liquid filtering tank and distillation water collecting tank, alembic is set on the left of the ontology；The alembic right side wall top connects vapor runner pipe；Installation waste liquid preheating tank on the right side of the alembic；The first diversion pipe is connected on the waste liquid preheating tank top, and the second diversion pipe is connected in the waste liquid preheating tank lower part；Waste liquid described in the vapor runner pipe spiral wrap preheats tank wall；Setting waste liquid filtering tank on the right side of the waste liquid preheating tank；Vapor runner pipe is connected in installation distillation water collecting tank on the right side of the waste liquid filtering tank, the distillation water collecting tank left side；The configuration of the present invention is simple, it is easy to operate, waste heat can be adequately utilized, waste liquid is distilled by energy as few as possible, energy conservation and environmental protection, is suitble to promote.
Description
Technical field
The present invention relates to sewage treatment equipment field, the chemical waste liquid distilling apparatus of specifically a kind of environmental protection and energy saving.
Background technology
Waste water is one of industrial refuse, and discharge of wastewater can cause environment serious pollution.Distillation is a kind of heating power
Separating technology, it is different using each component boiling point in mixing liquid or liquid-solid system, evaporates low boiling component, then condense
It is the joint of two kinds of unit operations of evaporation and condensation to detach the unit process of entire component.With other separation means,
Such as extraction is compared, it be a little do not need to other solvents using other than system components, it is new so as to ensure to introduce
Impurity.Distillation is a kind of important operating technology of separating mixture, especially for liquid mixture separation have it is important
Practical significance, using the difference of each component volatility in liquid mixture, vaporize liquid mixture part and make steaming therewith
Vapour partial condensation, so as to fulfill the separation of its contained component.Processing is carried out to industrial wastewater using distillation and not only solves industry
The emission problem of waste water but also component useful in industrial wastewater is recycled utilization, saves raw material；However existing waste liquid
Most of recovery gear can not realize energy conservation and environmental protection, and the heat after distillation can not make full use of.
Invention content
The purpose of the present invention is to provide a kind of chemical waste liquid distilling apparatus of environmental protection and energy saving, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of chemical waste liquid distilling apparatus of environmental protection and energy saving including ontology, alembic, waste liquid preheating tank, waste liquid filtering tank, steams
Distilled water collecting tank and work drive motor, the ontology left side setting alembic, the alembic top installment work motor, the work
Make installation hot bellows on the right side of motor, the work drive motor output terminal is stretched into the alembic inner cavity, and is connect with shaft coupling, institute
State shaft coupling lower part connection stirring shaft；The second ventilation shaft of installation inside the stirring shaft；The stirring shaft lower part peace
Take on air cavity；The outlet chamber both sides are fixedly connected with stirrer paddle；The hot wind lower box part connects the first ventilation shaft, and described the
One ventilation shaft is extended in the alembic inner cavity, and is connect with the shaft coupling；The alembic right side wall top connection
Vapor runner pipe；Open distillation tank valve in the alembic right side wall lower part；Installation waste liquid preheating on the right side of the alembic
Tank；The first diversion pipe is connected on the waste liquid preheating tank top, and the second diversion pipe is connected in the waste liquid preheating tank lower part, described
The second diversion pipe other end connects the distillation tank valve；Waste liquid described in the vapor runner pipe spiral wrap preheats tank
Outer wall；Setting waste liquid filtering tank on the right side of the waste liquid preheating tank, the waste liquid preheating tank pass through with the waste liquid filtering tank
The first diversion pipe connection；The waste liquid filtering tank top sets inlet, and inlet switch is installed on the inlet；Institute
Installation distillation water collecting tank on the right side of waste liquid filtering tank is stated, vapor runner pipe is connected on the left of the distillation water collecting tank.
As further embodiment of the present invention：The alembic top sets protective cover.
As further scheme of the invention：The outlet chamber be located at waste liquid liquid level in the alembic inner cavity hereinafter,
The through-hole for ventilation is opened on the outlet chamber.
As further scheme of the invention：The shaft coupling includes connection ring, limited block and the second ventilation shaft, institute
Shaft coupling top installation connection ring is stated, the connection ring top connects the work drive motor output terminal, and the connection ring lower part connects
Connect the stirring shaft upper end；It is connected between the work drive motor output terminal and the stirring shaft by the connection ring, and
Connecting pole is installed between the work drive motor output terminal and the stirring shaft；The connection ring and the work drive motor are defeated
Limited block is set between outlet and stirring shaft, and first ventilation shaft is connected with the connection ring.
As further scheme of the invention：Setting wind turbine among the alembic and waste liquid preheating tank, institute
Assembling is stated on the vapor runner pipe.
As further scheme of the invention：The waste liquid filtering tank lower part installation activated carbon filter layer and sterilizing layer.
Compared with prior art, the beneficial effects of the invention are as follows：The setting is effectively protected the shaft coupling, makes
It obtains the shaft coupling and is not stirred the waste liquid corrosion splash in the process；The connecting pole causes the work drive motor and the stirring
More firm connection between shaft；The setting of the shaft coupling allows the hot bellows to pass through first ventilation shaft
The gas of heat is conveyed into the work drive motor inner cavity with the second ventilation shaft, accelerates the evaporation of distilled water in waste liquid；It can
Waste liquid in waste liquid preheating tank inner cavity is preheated, while water in the vapor runner pipe is adequately utilized
The waste heat of steam, energy conservation and environmental protection；The activated carbon filter layer, which can be filtered waste liquid, to be adsorbed and removes therein different
Taste；The sterilizing layer can carry out disinfection to waste liquid sterilization；The distillation water collecting tank can cool down recycling distilled water；The present invention
It is simple in structure, it is easy to operate, waste heat can be adequately utilized, waste liquid is distilled by energy as few as possible, energy-saving ring
It protects, is suitble to promote.
Description of the drawings
Fig. 1 is the structure diagram of the chemical waste liquid distilling apparatus of environmental protection and energy saving.
Structure diagrams of the Fig. 2 for shaft coupling in the chemical waste liquid distilling apparatus of environmental protection and energy saving.
Structure diagrams of the Fig. 3 for inlet plenum in the chemical waste liquid distilling apparatus of environmental protection and energy saving.
In figure：1- ontologies, 2- alembics, 3- waste liquids preheating tank, 4- waste liquids filtering tank, 5- distillations water collecting tank, 6- works
Make motor, 7- hot bellows, 8- shaft couplings, 9- protective covers, 10- stirring shafts, 11- outlet chambers, 12- wind turbines, the first water conservancy diversion of 13-
Pipe, 14- distillations tank valve, the second diversion pipes of 15-, 16- vapor runner pipe, 17- activated carbon filter layers, 18- sterilizing layers, 19-
Inlet, the first ventilation shafts of 20-, 21- connection rings, 22- limited blocks, the second ventilation shafts of 23-, 24- connecting poles, 25- feed liquors
Mouth, 26- stirrer paddles.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution 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, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of chemical waste liquid distilling apparatus of environmental protection and energy saving, including ontology 1,
Alembic 2, waste liquid preheating tank 3, waste liquid filtering tank 4, distillation water collecting tank 5 and work drive motor 6,1 left side of ontology are set
Alembic 2, the 2 top installment work motor 6 of alembic, the 6 right side installation hot bellows 7 of work drive motor, the work electricity
6 output terminal of machine is stretched into 2 inner cavity of alembic, and is connect with shaft coupling 8, and 8 lower part of shaft coupling connects stirring shaft 10,
10 inside of stirring shaft is hollow structure；10 second ventilation shaft 23 of inside installation of stirring shaft；The alembic 2
Top sets protective cover 9, and described 9 setting is effectively protected the shaft coupling 8 so that the shaft coupling 8 was not stirred
The waste liquid corrosion splash in journey；Outlet chamber 11 is installed in 10 lower part of stirring shaft, and the outlet chamber 11 is located at the alembic 2
Waste liquid liquid level in inner cavity is hereinafter, open the through-hole for ventilation on the outlet chamber 11；11 both sides of outlet chamber are fixedly connected
Stirrer paddle 26；7 lower part of hot bellows connects the first ventilation shaft 20, and first ventilation shaft 20 extends to the distillation
In 2 inner cavity of tank, and it is connect with the shaft coupling 8；The shaft coupling 8 includes connection ring 21,22 and second ventilation shaft of limited block
23, connection ring 21 is installed on 8 top of shaft coupling, and 21 top of connection ring connects 6 output terminal of work drive motor, the company
It connects 21 lower part of ring and connects 10 upper end of stirring shaft；Pass through between 6 output terminal of work drive motor and the stirring shaft 10
The connection ring 21 connects, and connecting pole 24, institute are installed between 6 output terminal of work drive motor and the stirring shaft 10
It states connecting pole 24 and causes connection more firm between the work drive motor 6 and the stirring shaft 10；The connection ring 21 with
Limited block 22, first ventilation shaft 20 and the connection are set between 6 output terminal of work drive motor and stirring shaft 10
Ring 21 is connected；The setting of the shaft coupling 8 allows the hot bellows 7 to divulge information by first ventilation shaft 20 and second
Pipeline 23 conveys the gas of heat into 6 inner cavity of work drive motor, accelerates the evaporation of distilled water in waste liquid；The alembic 2
Right side wall top connection vapor runner pipe 16；Open distillation tank valve 14 in the 2 right side wall lower part of alembic；The alembic
2 right side installation waste liquid preheating tanks 3, the waste liquid preheating tank 3 are used for placing the waste liquid after filtering；The waste liquid preheats tank
The first diversion pipe 13 is connected on 3 tops, and the second diversion pipe 15, second diversion pipe 15 are connected in 3 lower part of waste liquid preheating tank
The other end connection distillation tank valve 14；Waste liquid described in 16 spiral wrap of vapor runner pipe preheats 3 outer wall of tank,
The waste liquid in 3 inner cavity of tank can be preheated to the waste liquid to preheat, while the vapor circulation is adequately utilized
The waste heat of vapor, energy conservation and environmental protection in pipe 16；The alembic 2 and setting wind turbine 12 among waste liquid preheating tank 3, it is described
Wind turbine 12 is mounted on the vapor runner pipe 16；The 3 right side setting waste liquid filtering tank 4 of waste liquid preheating tank, it is described useless
Liquid preheating tank 3 is connect with the waste liquid filtering tank 4 by first diversion pipe 13；4 lower part of the waste liquid filtering tank installation
Activated carbon filter layer 17 and sterilizing layer 18；The activated carbon filter layer 17, which can be filtered waste liquid, to be adsorbed and removes it
In peculiar smell；The sterilizing layer 18 can carry out disinfection to waste liquid sterilization；4 top of waste liquid filtering tank sets inlet 19,
Inlet switch 25 is installed on the inlet 19；The 4 right side installation distillation water collecting tank 5 of waste liquid filtering tank, the distillation
Vapor runner pipe 16 is connected in 5 left side of water collecting tank, and the distillation water collecting tank 5 can cool down recycling distilled water.
The present invention operation principle be：When needing using the present invention, the wind turbine 12 is opened, to the waste liquid filtering tank
Waste liquid is injected in 4, waste liquid filters disinfection in waste liquid filtering tank 4, is then drawn into the waste liquid preheating tank 3, by institute
It states the second diversion pipe 15 to enter in the alembic 2, then the work drive motor 6 and start to work with the hot bellows 7, it is described
The rotation of work drive motor 6 drives the shaft coupling 8 and the stirring shaft 10 to rotate, and then the stirrer paddle 26 is driven to rotate；
The hot bellows 7 are sent into hot wind by first ventilation shaft 20 into the shaft coupling 8, subsequently into the described second ventilation
Pipeline 23 finally passes through and enters in the outlet chamber 11, the waste liquid in the alembic 2 is heated, and form bubble,
Increase waste liquid and hot air impingement area, in the case where the stirrer paddle 26 is rotatably assorted, further improve distillation efficiency；After distillation
Vapor enters the vapor runner pipe 16, and preheating the waste liquid in tank 3 to the waste liquid preheats, and finally cools down
Vapor is collected by the distillation water collecting tank 5.The configuration of the present invention is simple, it is easy to operate, waste heat can be adequately utilized, is passed through
Energy as few as possible distills waste liquid, energy conservation and environmental protection, is suitble to promote.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. the chemical waste liquid distilling apparatus of a kind of environmental protection and energy saving, which is characterized in that including ontology（1）, alembic（2）, waste liquid it is pre-
Heating tank（3）, waste liquid filtering tank（4）, distillation water collecting tank（5）And work drive motor（6）, the ontology（1）Left side setting distillation
Tank（2）, the alembic（2）Top installment work motor（6）, the work drive motor（6）Right side is installed by hot bellows（7）, it is described
Work drive motor（6）Output terminal stretches into the alembic（2）In inner cavity, and and shaft coupling（8）Connection, the shaft coupling（8）Lower part
Connect stirring shaft（10）；The stirring shaft（10）The second ventilation shaft of inside installation（23）；The stirring shaft（10）Under
Portion is installed by outlet chamber（11）；The outlet chamber（11）Both sides are fixedly connected with stirrer paddle（26）；The hot bellows（7）Lower part connects
First ventilation shaft（20）, first ventilation shaft（20）Extend to the alembic（2）In inner cavity, and with the shaft coupling
（8）Connection；The alembic（2）Right side wall top connects vapor runner pipe（16）；The alembic（2）It opens right side wall lower part
Logical distillation tank valve（14）；The alembic（2）Right side installation waste liquid preheating tank（3）；The waste liquid preheats tank（3）Top
Connect the first diversion pipe（13）, the waste liquid preheating tank（3）The second diversion pipe is connected in lower part（15）, second diversion pipe
（15）The other end connects the distillation tank valve（14）；The vapor runner pipe（16）Waste liquid described in spiral wrap preheats
Tank（3）Outer wall；The waste liquid preheats tank（3）Right side sets waste liquid filtering tank（4）, the waste liquid preheating tank（3）With it is described
Waste liquid filtering tank（4）Pass through first diversion pipe（13）Connection；The waste liquid filtering tank（4）Top sets inlet（19）,
The inlet（19）Upper installation inlet switch（25）；The waste liquid filtering tank（4）Right side installation distillation water collecting tank（5）,
The distillation water collecting tank（5）Vapor runner pipe is connected in left side（16）.
2. the chemical waste liquid distilling apparatus of environmental protection and energy saving according to claim 1, which is characterized in that the alembic（2）
Top sets protective cover（9）.
3. the chemical waste liquid distilling apparatus of environmental protection and energy saving according to claim 1, which is characterized in that the outlet chamber（11）
Positioned at the alembic（2）Waste liquid liquid level in inner cavity is hereinafter, the outlet chamber（11）On open through-hole for ventilation.
4. the chemical waste liquid distilling apparatus of environmental protection and energy saving according to claim 1, which is characterized in that the shaft coupling（8）
Including connection ring（21）, limited block（22）With the second ventilation shaft（23）, the shaft coupling（8）Top is installed by connection ring（21）,
The connection ring（21）Top connects the work drive motor（6）Output terminal, the connection ring（21）The connection stirring in lower part turns
Axis（10）Upper end；The work drive motor（6）Output terminal and the stirring shaft（10）Between pass through the connection ring（21）Connection,
And the work drive motor（6）Output terminal and the stirring shaft（10）Between connecting pole is installed（24）；The connection ring
（21）With the work drive motor（6）Output terminal and stirring shaft（10）Between limited block is set（22）, first ventilation shaft
（20）With the connection ring（21）It connects.
5. the chemical waste liquid distilling apparatus of environmental protection and energy saving according to claim 1, which is characterized in that the alembic（2）
Tank is preheated with the waste liquid（3）Centre setting wind turbine（12）, the wind turbine（12）Mounted on the vapor runner pipe（16）
On.
6. the chemical waste liquid distilling apparatus of environmental protection and energy saving according to claim 1, which is characterized in that the waste liquid filtering tank
（4）Lower part is installed by activated carbon filter layer（17）And sterilizing layer（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402745.0A CN108128951B (en) | 2017-12-22 | 2017-12-22 | Environment-friendly energy-saving chemical waste liquid distillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402745.0A CN108128951B (en) | 2017-12-22 | 2017-12-22 | Environment-friendly energy-saving chemical waste liquid distillation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108128951A true CN108128951A (en) | 2018-06-08 |
| CN108128951B CN108128951B (en) | 2020-06-26 |
Family
ID=62392278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402745.0A Expired - Fee Related CN108128951B (en) | 2017-12-22 | 2017-12-22 | Environment-friendly energy-saving chemical waste liquid distillation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108128951B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937779A (en) * | 2019-12-03 | 2020-03-31 | 农业农村部规划设计研究院 | Breed dirty processing apparatus of excrement |
| CN111573941A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Waste liquid purification device for pharmaceutical chemical industry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112775A (en) * | 1975-03-31 | 1976-10-05 | Nisshin Steel Co Ltd | Method to recover the solvent in watse paint and thinner |
| CN104085865A (en) * | 2014-07-21 | 2014-10-08 | 昆山明宽环保节能科技有限公司 | Device for recycling nitric acid from waste liquor containing copper nitrate and use method of device |
| CN206328340U (en) * | 2016-12-16 | 2017-07-14 | 上海利柏特工程技术有限公司 | A kind of petrochemical equipment alembic |
| CN206476960U (en) * | 2017-02-20 | 2017-09-08 | 吴广洲 | A kind of energy-saving distilling equipment of oil |
-
2017
- 2017-12-22 CN CN201711402745.0A patent/CN108128951B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112775A (en) * | 1975-03-31 | 1976-10-05 | Nisshin Steel Co Ltd | Method to recover the solvent in watse paint and thinner |
| CN104085865A (en) * | 2014-07-21 | 2014-10-08 | 昆山明宽环保节能科技有限公司 | Device for recycling nitric acid from waste liquor containing copper nitrate and use method of device |
| CN206328340U (en) * | 2016-12-16 | 2017-07-14 | 上海利柏特工程技术有限公司 | A kind of petrochemical equipment alembic |
| CN206476960U (en) * | 2017-02-20 | 2017-09-08 | 吴广洲 | A kind of energy-saving distilling equipment of oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937779A (en) * | 2019-12-03 | 2020-03-31 | 农业农村部规划设计研究院 | Breed dirty processing apparatus of excrement |
| CN111573941A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Waste liquid purification device for pharmaceutical chemical industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108128951B (en) | 2020-06-26 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Liangliang Inventor after: Liu Jialin Inventor after: Liu Wei Inventor after: Lu Jiangbin Inventor before: Lu Jiangbin |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200601 Address after: 071000 Baoding environmental monitoring center, 224 Dongfeng East Road, Baoding, Hebei Province Applicant after: Zhao Liangliang Applicant after: Liu Jialin Applicant after: Liu Wei Address before: Quan Lu and Lu Lu in Hunan province high tech Development Zone 410000 Changsha Pine Road interchange of agricultural extension venture building 14 Building 1463 room Applicant before: CHANGSHA SHUANGHESHENG ENTERPRISE MANAGEMENT Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20201222 |