CN208626992U - A kind of exhaust gas purification and treatment device - Google Patents
A kind of exhaust gas purification and treatment device Download PDFInfo
- Publication number
- CN208626992U CN208626992U CN201820776125.7U CN201820776125U CN208626992U CN 208626992 U CN208626992 U CN 208626992U CN 201820776125 U CN201820776125 U CN 201820776125U CN 208626992 U CN208626992 U CN 208626992U
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- Prior art keywords
- shell
- exhaust gas
- stirring rod
- wall
- gas purification
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Abstract
The utility model discloses a kind of exhaust gas purification and treatment devices, including shell, the upper surface of the inner walls is connected with bearing, and bearing inner sleeve is connected to shaft, the outer surface of the shaft is provided with the first stirring rod and the second stirring rod, and first stirring rod be located at the lower section of the second stirring rod, first stirring rod and the second stirring rod are respectively positioned on the inside of shell, and the top of the shaft passes through bearing and is fixedly connected with the lower surface of driving device.The exhaust gas purification and treatment device, pass through driving device, the mutual cooperation of the first stirring rod, the second stirring rod, shaft, spray head, diversion pipe, water inlet pipe, shell and air-out apparatus, when aspiration pump is extracted exhaust gas by exhaust tube, shaft drives the first stirring rod and the rotation of the second stirring rod, scavenging solution and exhaust gas contact more sufficiently, the mixing velocity for accelerating scavenging solution and exhaust gas improves the efficiency of waste gas purification processing, not exclusively continues to pollute the environment so as to avoid exhaust-gas treatment.
Description
Technical field
The utility model relates to industrial waste gas technical field, specially a kind of exhaust gas purification and treatment device.
Background technique
Industrial waste gas refers to that generate in plant area, enterprise fuel combustion and production process various are discharged into containing for air
The general name of contaminant gases.These exhaust gas have: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, chlorine, chlorination
Hydrogen, carbon monoxide, sulfuric acid, lead, mercury, beryllide and flue dust and industrial dust, are discharged into atmosphere, can pollute air.These substances
Enter the internal of people by different approach respiratory tracts, some directly generates harm, and there are also cumulative effects for some, can be more serious
The health for endangering people.Different material has Different Effects.
In the prior art, the processing method of exhaust gas generally uses spray process in the industrial production, i.e., with scavenging solution come pair
Dust and impurity in exhaust gas are adsorbed, but contact of the exhaust gas with scavenging solution is very uneven, cause more exhaust gas
It cannot handle and just be discharged, still not up to standard by the purified exhaust gas of device, exhaust gas cannot get overall treatment, still to environment
It pollutes, influences people's lives.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of exhaust gas purification and treatment device, solve exhaust gas with
The contact of scavenging solution is very uneven, causes more exhaust gas that cannot handle and is just discharged, still by the purified exhaust gas of device
It is so not up to standard, the problem of exhaust gas cannot get overall treatment.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of exhaust gas purification and treatment device, including shell
Body, the upper surface of the inner walls is connected with bearing, and bearing inner sleeve is connected to shaft, and the outer surface of the shaft is provided with
One stirring rod and the second stirring rod, and the first stirring rod is located at the lower section of the second stirring rod, first stirring rod and second stirs
The inside that bar is respectively positioned on shell is mixed, the top of the shaft passes through bearing and is fixedly connected with the lower surface of driving device.
The lower surface of the driving device is fixedly connected with the upper surface of shell, and the right side of inner walls and outlet fill
The left side set is connected, and the right side of inner walls is connected with the left end of outlet tube, the upper surface of the inner walls
Be connected with several spray heads, and the top of spray head is connected with the lower surface of diversion pipe, and the upper surface of diversion pipe left end with into
The bottom end of water pipe is connected, and diversion pipe be inlaids in the shell the upper surface of wall, and the water inlet pipe is connected to the upper surface of shell,
And the top of water inlet pipe is connected with one end of hose.
The lower surface of the shell is fixedly connected with the upper surface of bottom plate, and the left side of inner walls by air inlet pipe with
The outlet side of aspiration pump is connected, and the inlet end of the aspiration pump is connected by exhaust tube with the right side for collecting chamber interior walls.
Preferably, the lower surface of the collecting chamber is fixedly connected with the upper surface of bottom plate, and inner walls left side and the right side
Side is fixedly connected with the left side of filter plate and right side respectively, and the upper surface of the shell offers through-hole, and through-hole
Upper surface is provided with cover board, and the left side of the inner walls is connected with the right end of collecting pipe.
Preferably, the driving device includes driven wheel, and the lower surface of driven wheel is fixedly connected with the top of shaft, institute
It states driven wheel to connect by belt with capstan drive, and the lower surface of driving wheel is fixedly connected with the output shaft of motor, and electricity
The fuselage of machine is fixedly connected by pedestal with the upper surface of shell.
Preferably, the air-out apparatus includes escape pipe, and the left end of escape pipe is connected with the right side of inner walls,
The upper surface of the escape pipe is provided with valve.
Preferably, the motor is the servo motor of 70STX-01 model, and the right side of the shell is fixedly installed with electricity
Source, and the right side of power supply is provided with switch.
Preferably, the input terminal of the switch is electrically connected by conducting wire with the output end of power supply, the output end of the switch
It is electrically connected respectively by conducting wire with the input terminal of motor and aspiration pump.
(3) beneficial effect
The utility model provides a kind of exhaust gas purification and treatment device, have it is following the utility model has the advantages that
(1), the exhaust gas purification and treatment device, by driving device, the first stirring rod, the second stirring rod, shaft, spray head,
The mutual cooperation of diversion pipe, water inlet pipe, shell and air-out apparatus, when aspiration pump exhaust gas by exhaust tube extract, then by into
Tracheae is sent in shell, and the scavenging solution in hose is flowed into diversion pipe, using the spraying scavenging solution of several spray heads
Into shell, motor drives driving wheel rotation, and driving wheel drives driven wheel rotation, and driven wheel drives shaft rotation, and shaft drives
First stirring rod and the rotation of the second stirring rod, so that scavenging solution be made to be mixed with exhaust gas, scavenging solution and exhaust gas contact are more
Sufficiently, the mixing velocity for accelerating scavenging solution and exhaust gas improves the efficiency of waste gas purification processing, so as to avoid exhaust-gas treatment
Not exclusively continue to pollute the environment.
(2), the exhaust gas purification and treatment device, by the mutual cooperation of collecting pipe, collecting chamber, filter plate, through-hole and cover board,
In the state of being evacuated pump work, exhaust gas is entered in collecting chamber by collecting pipe, and the material of filter plate is active carbon, exhaust gas warp
It crosses filter plate to be filtered and adsorbed for the first time, shell is then entered by aspiration pump and is purified, avoid the miscellaneous of bulky grain
Matter influences the progress of waste gas purification process, and by opening cover board, staff can take out filter plate and clean, be convenient for
The cleaning of filter plate and collecting chamber.
(3), the exhaust gas purification and treatment device passes through the mutual cooperation of the first stirring rod and the second stirring rod, the first stirring
The spacing of bar is less than the second stirring rod, when motor drives the first stirring rod and the second stirring rod to rotate together with, the first stirring rod
The exhaust gas of different location is driven to flow diffusion in shell with the second stirring rod, convenient for being sufficiently mixed for exhaust gas and scavenging solution, and
The utility model which has a compact structure and a reasonable design, it is practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced；
Fig. 2 is the structural schematic diagram of the right view of the utility model；
Fig. 3 is the structural schematic diagram amplified at the utility model A.
In figure: 1 shell, 2 first stirring rods, 3 second stirring rods, 4 bearings, 5 shafts, 6 driving devices, 61 driven wheels, 62
Belt, 63 driving wheels, 64 motors, 65 pedestals, 7 hoses, 8 water inlet pipes, 9 diversion pipes, 10 spray heads, 11 air inlet pipe, 12 aspiration pumps, 13
Exhaust tube, 14 bottom plates, 15 collecting chambers, 16 filter plates, 17 collecting pipes, 18 through-holes, 19 cover boards, 20 air-out apparatus, 201 valves, 202
Escape pipe, 21 power supplys, 22 switches, 23 outlet tubes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of exhaust gas purification and treatment device, including shell
1, the upper surface of 1 inner wall of shell is connected with bearing 4, and shaft 5 is socketed in bearing 4, and the outer surface of shaft 5 is provided with first and stirs
Bar 2 and the second stirring rod 3 are mixed, by the first stirring rod 2 of setting and the second stirring rod 3, the spacing of the first stirring rod 2 is less than second
Stirring rod 3, when motor 64 drives the first stirring rod 2 and the second stirring rod 3 to rotate together with, the first stirring rod 2 and the second stirring
Bar 3 drives the exhaust gas of different location flow diffusion in shell 1, and convenient for being sufficiently mixed for exhaust gas and scavenging solution, and first stirs
Bar 2 is located at the lower section of the second stirring rod 3, and the first stirring rod 2 and the second stirring rod 3 are respectively positioned on the inside of shell 1, the top of shaft 5
End is fixedly connected across bearing 4 with the lower surface of driving device 6.
The lower surface of driving device 6 is fixedly connected with the upper surface of shell 1, and driving device 6 includes driven wheel 61, by setting
Driving device 6 is set, motor 64 drives driving wheel 63 to rotate, and driving wheel 63 drives driven wheel 61 to rotate, and driven wheel 61 drives shaft 5
Rotation, shaft 5 drives the first stirring rod 2 and the rotation of the second stirring rod 3, thus mix scavenging solution with exhaust gas, scavenging solution
With exhaust gas contact more sufficiently, accelerate the mixing velocity of scavenging solution and exhaust gas, improve waste gas purification processing efficiency, and
The lower surface of driven wheel 61 is fixedly connected with the top of shaft 5, and driven wheel 61 is sequentially connected by belt 62 and driving wheel 63, and
The lower surface of driving wheel 63 is fixedly connected with the output shaft of motor 64, and the fuselage of motor 64 passes through the upper of pedestal 65 and shell 1
Surface is fixedly connected, and by the way that pedestal 65 is arranged, is made motor 64 is more stable to be mounted on shell 1, is kept motor 64 can be steady
Drive driving wheel 63 to rotate, motor 64 is the servo motor of 70STX-01 model, and the right side of shell 1 is fixedly installed with power supply surely
21, and the right side of power supply 21 is provided with switch 22, by the way that power supply 21 is arranged, powers to motor 64 and aspiration pump 12, is convenient for work
Make personnel in the operation of purification exhaust process, save the plenty of time of staff, the input terminal of switch 22 by conducting wire with
The output end of power supply 21 is electrically connected, and the input terminal that the output end of switch 22 passes through conducting wire and motor 64 and aspiration pump 12 respectively is electrically connected
It connects, and the right side of 1 inner wall of shell is connected with the left side of air-out apparatus 20, and the right side of 1 inner wall of shell and outlet tube
23 left end is connected, and by the way that outlet tube 23 is arranged, shell 1 can be discharged convenient for scavenging solution, air-out apparatus 20 includes escape pipe
202, by the way that air-out apparatus 20 is arranged, shell 1 is discharged by escape pipe 202 in the interior gas by after the completion of purified treatment of shell 1,
Aspiration pump 12, which continues transported to the exhaust gas of extraction in shell 1, carries out carry out purification process, and the left end of escape pipe 202 and shell
The right side of 1 inner wall is connected, and the upper surface of escape pipe 202 is provided with valve 201, by the way that valve 201 is arranged, when valve 201
It opens, shell 1 is discharged in the gas after the completion of purification convenient for staff, when valve 201 is closed, progress exhaust gas is net in shell 1
To change, exhaust gas is avoided to be discharged shell 1 not purified, the upper surface of 1 inner wall of shell is connected with several spray heads 10, and spray head 10
Top is connected with the lower surface of diversion pipe 9, and the upper surface of 9 left end of diversion pipe is connected with the bottom end of water inlet pipe 8, and water conservancy diversion
Pipe 9 is embedded in the upper surface of 1 inner wall of shell, by the way that water inlet pipe 8 is arranged, when the scavenging solution in external hose 7 is flowed by water inlet pipe 8
Enter into diversion pipe 9, using several spray heads 10 scavenging solution is sprayed onto shell 1, scavenging solution is mixed with exhaust gas,
Scavenging solution and exhaust gas contact more sufficiently, water inlet pipe 8 is connected to the upper surface of shell 1, and the top of water inlet pipe 8 and hose 7
One end be connected.
The lower surface of shell 1 is fixedly connected with the upper surface of bottom plate 14, by the way that bottom plate 14 is arranged, makes shell 1, collecting chamber
15, driving device 6 and aspiration pump 12 can be horizontally arranged, and improve the stability of shell 1, convenient for staff in exhaust-gas treatment
The use of process, and the left side of 1 inner wall of shell is connected by air inlet pipe 11 with the outlet side of aspiration pump 12, aspiration pump 12
Inlet end is connected by exhaust tube 13 with the right side of 15 inner wall of collecting chamber, by the way that aspiration pump 12 is arranged, when aspiration pump 12
Exhaust gas is extracted by exhaust tube 13, then is sent in shell 1 by air inlet pipe 11, and the lower surface of collecting chamber 15 is upper with bottom plate 14
Surface is fixedly connected, and 1 inner wall left side of shell and right side are fixedly connected with the left side of filter plate 16 and right side respectively,
By the way that filter plate 16 is arranged, the material of filter plate 16 is active carbon, and exhaust gas is filtered and adsorbed for the first time by filter plate 16, shell
The upper surface of body 1 offers through-hole 18, and the upper surface of through-hole 18 is provided with cover board 19, by the way that through-hole 18 and cover board 19 is arranged,
By opening cover board 19, staff can take out filter plate 16 and clean, convenient for filter plate 16 and collecting chamber 15
Cleaning, the left side of 1 inner wall of shell is connected with the right end of collecting pipe 17.
In use, firstly, exhaust gas is entered in collecting chamber 15 by collecting pipe 17 in the state that aspiration pump 12 works,
The material of filter plate 16 is active carbon, and exhaust gas is filtered and adsorbed for the first time by filter plate 16, and then, aspiration pump 12 is exhaust gas
It being extracted by exhaust tube 13, then is sent in shell 1 by air inlet pipe 11, the scavenging solution in hose 7 is flowed into diversion pipe 9,
Using several spray heads 10 scavenging solution is sprayed onto shell 1, motor 64 drives driving wheel 63 to rotate, and driving wheel 63 drives
Driven wheel 61 rotates, and driven wheel 61 drives shaft 5 to rotate, and shaft 5 drives the first stirring rod 2 and the rotation of the second stirring rod 3, thus
Mix scavenging solution with exhaust gas, scavenging solution and exhaust gas contact more sufficiently, finally, passing through after the completion of purification process
Cover board 19 is opened, staff can take out filter plate 16 and clean, convenient for the cleaning of filter plate 16 and collecting chamber 15.
It can to sum up obtain, the exhaust gas purification and treatment device, by driving device 6, the first stirring rod 2, the second stirring rod 3, turn
The mutual cooperation of axis 5, spray head 10, diversion pipe 9, water inlet pipe 8, shell 1 and air-out apparatus 20, when exhaust gas is passed through pumping by aspiration pump 12
Tracheae 13 extracts, then is sent in shell 1 by air inlet pipe 11, and the scavenging solution in hose 7 is flowed into diversion pipe 9, using
Scavenging solution is sprayed onto shell 1 by several spray heads 10, and motor 64 drives driving wheel 63 to rotate, and driving wheel 63 drives driven wheel
61 rotations, driven wheel 61 drive shaft 5 to rotate, and shaft 5 drives the first stirring rod 2 and the rotation of the second stirring rod 3, to make to purify
Liquid is mixed with exhaust gas, scavenging solution and exhaust gas contact more sufficiently, accelerate the mixing velocity of scavenging solution and exhaust gas, improve
The efficiency of waste gas purification processing, not exclusively continues to pollute the environment so as to avoid exhaust-gas treatment.
Meanwhile the exhaust gas purification and treatment device, pass through collecting pipe 17, collecting chamber 15, filter plate 16, through-hole 18 and cover board 19
Mutual cooperation, in the state that aspiration pump 12 works, exhaust gas is entered in collecting chamber 15 by collecting pipe 17, filter plate 16
Material is active carbon, and exhaust gas is filtered and adsorbed for the first time by filter plate 16, then by aspiration pump 12 enter shell 1 into
Row purification, avoids the progress of the impurity effect waste gas purification process of bulky grain, and by opening cover board 19, staff can be
Filter plate 16 takes out and is cleaned, convenient for the cleaning of filter plate 16 and collecting chamber 15.
Meanwhile the exhaust gas purification and treatment device, it is stirred by the mutual cooperation of the first stirring rod 2 and the second stirring rod 3, first
The spacing of bar 2 is mixed less than the second stirring rod 3, when motor 64 drives the first stirring rod 2 and the second stirring rod 3 to rotate together with, the
One stirring rod 2 and the second stirring rod 3 drive the exhaust gas of different location to flow diffusion in shell 1, convenient for exhaust gas and scavenging solution
It is sufficiently mixed, and the utility model which has a compact structure and a reasonable design, it is practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of exhaust gas purification and treatment device, including shell (1), it is characterised in that: the upper surface of shell (1) inner wall is clamped
Have bearing (4), and be socketed with shaft (5) in bearing (4), the outer surface of the shaft (5) is provided with the first stirring rod (2) and the
Two stirring rods (3), and the first stirring rod (2) is located at the lower section of the second stirring rod (3), first stirring rod (2) and second stir
The inside that bar (3) is respectively positioned on shell (1) is mixed, the top of the shaft (5) passes through the lower surface of bearing (4) and driving device (6)
It is fixedly connected；
The lower surface of the driving device (6) is fixedly connected with the upper surface of shell (1), and the right side of shell (1) inner wall with
The left side of air-out apparatus (20) is connected, and the right side of shell (1) inner wall is connected with the left end of outlet tube (23), described
The upper surface of shell (1) inner wall is connected with several spray heads (10), and the lower surface phase on the top of spray head (10) and diversion pipe (9)
Connection, and the upper surface of diversion pipe (9) left end is connected with the bottom end of water inlet pipe (8), and diversion pipe (9) is embedded in shell (1)
The upper surface of inner wall, the water inlet pipe (8) are connected to the upper surface of shell (1), and the top of water inlet pipe (8) and hose (7)
One end is connected；
The lower surface of the shell (1) is fixedly connected with the upper surface of bottom plate (14), and the left side of shell (1) inner wall by into
Tracheae (11) is connected with the outlet side of aspiration pump (12), and the inlet end of the aspiration pump (12) by exhaust tube (13) and is collected
The right side of room (15) inner wall is connected.
2. a kind of exhaust gas purification and treatment device according to claim 1, it is characterised in that: the following table of the collecting chamber (15)
Face is fixedly connected with the upper surface of bottom plate (14), and shell (1) inner wall left side and the right side left side with filter plate (16) respectively
Side is fixedly connected with right side, and the upper surface of the shell (1) offers through-hole (18), and the upper surface setting of through-hole (18)
Have cover board (19), the left side of shell (1) inner wall is connected with the right end of collecting pipe (17).
3. a kind of exhaust gas purification and treatment device according to claim 1, it is characterised in that: the driving device (6) includes
Driven wheel (61), and the lower surface of driven wheel (61) is fixedly connected with the top of shaft (5), the driven wheel (61) passes through belt
(62) it is sequentially connected with driving wheel (63), and the lower surface of driving wheel (63) is fixedly connected with the output shaft of motor (64), and electricity
The fuselage of machine (64) is fixedly connected by pedestal (65) with the upper surface of shell (1).
4. a kind of exhaust gas purification and treatment device according to claim 1, it is characterised in that: the air-out apparatus (20) includes
Escape pipe (202), and the left end of escape pipe (202) is connected with the right side of shell (1) inner wall, the escape pipe (202)
Upper surface is provided with valve (201).
5. a kind of exhaust gas purification and treatment device according to claim 3, it is characterised in that: the motor (64) is 70STX-
The right side of the servo motor of 01 model, the shell (1) is fixedly installed with power supply (21), and the right side setting of power supply (21)
There are switch (22).
6. a kind of exhaust gas purification and treatment device according to claim 5, it is characterised in that: the input terminal of the switch (22)
Be electrically connected by conducting wire with the output end of power supply (21), the output end of the switch (22) pass through respectively conducting wire and motor (64) and
The input terminal of aspiration pump (12) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776125.7U CN208626992U (en) | 2018-05-23 | 2018-05-23 | A kind of exhaust gas purification and treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776125.7U CN208626992U (en) | 2018-05-23 | 2018-05-23 | A kind of exhaust gas purification and treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208626992U true CN208626992U (en) | 2019-03-22 |
Family
ID=65732853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820776125.7U Expired - Fee Related CN208626992U (en) | 2018-05-23 | 2018-05-23 | A kind of exhaust gas purification and treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208626992U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672257A (en) * | 2020-07-01 | 2020-09-18 | 李柏青 | Dust type mixed waste gas environmental protection treatment facility |
| CN111821849A (en) * | 2020-08-12 | 2020-10-27 | 江苏金泰诺科技有限公司 | Organic waste gas biological treatment's collection device |
| CN113223272A (en) * | 2021-05-07 | 2021-08-06 | 远正(江苏)水务科技有限公司 | Early warning system and method for toxic and harmful gas |
| CN115228237A (en) * | 2022-07-20 | 2022-10-25 | 胡永 | Raw material filtering device for coal bed gas geological research and filtering method thereof |
-
2018
- 2018-05-23 CN CN201820776125.7U patent/CN208626992U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672257A (en) * | 2020-07-01 | 2020-09-18 | 李柏青 | Dust type mixed waste gas environmental protection treatment facility |
| CN111821849A (en) * | 2020-08-12 | 2020-10-27 | 江苏金泰诺科技有限公司 | Organic waste gas biological treatment's collection device |
| CN113223272A (en) * | 2021-05-07 | 2021-08-06 | 远正(江苏)水务科技有限公司 | Early warning system and method for toxic and harmful gas |
| CN113223272B (en) * | 2021-05-07 | 2022-10-04 | 远正(江苏)水务科技有限公司 | Early warning system and method for toxic and harmful gas |
| CN115228237A (en) * | 2022-07-20 | 2022-10-25 | 胡永 | Raw material filtering device for coal bed gas geological research and filtering method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200416 Address after: 110000 1-1-2, No. 4-1, Puhe street, Huanggu District, Shenyang City, Liaoning Province Patentee after: Wang Shaobin Address before: 322200 Sangyuan 286, Xiayang Village, Yantou Town, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Huang Yongwei |
|
| 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: 20190322 Termination date: 20200523 |