CN208234584U - A kind of mixing wastewater with air clarifier and water purification system - Google Patents
A kind of mixing wastewater with air clarifier and water purification system Download PDFInfo
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- CN208234584U CN208234584U CN201820572086.9U CN201820572086U CN208234584U CN 208234584 U CN208234584 U CN 208234584U CN 201820572086 U CN201820572086 U CN 201820572086U CN 208234584 U CN208234584 U CN 208234584U
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Abstract
The utility model provides a kind of mixing wastewater with air clarifier, wherein: vacuum ultraviolet light pipe includes dielectric outer wall and dielectric inner wall, dielectric outer wall is socketed in the outside of dielectric inner wall, and cylindrical cavity is formed between dielectric inner wall and dielectric outer wall, excited state can be in after the application of an electrical field and issue the excited gas of ultraviolet by being filled with inside the cylindrical cavity of clamping wall pipe structure；Mixing wastewater with air component is connect with one end of the through-hole of vacuum ultraviolet light pipe, which is provided with water inlet and air inlet；Outer tube is socketed on vacuum ultraviolet light pipe, and outer tube is equipped with gas access and gas vent, and wherein gas vent is connected to the air inlet of mixing wastewater with air component.Mixing wastewater with air clarifier provided by the utility model, the organic matter in water is not only set to degrade under the radiation of vacuum-ultraviolet light, ozone and oxygen in water is also set to generate reaction under the action of vacuum-ultraviolet light again simultaneously, to further handle pollutant.The utility model also provides a kind of water purification system.
Description
Technical field
The utility model belongs to dielectric barrier discharge technical field, and in particular to a kind of mixing wastewater with air clarifier and purified water
System.
Background technique
Currently, the facility purified using ultraviolet lamp to sewage, is irradiated using conventional ultraviolet radiator, and
It needs to be socketed outer tube in the external of ultraviolet radiator, in order to easy to assembly, it is necessary between retaining between ultraviolet radiator and outer tube
Gap.It thus causes, ultraviolet light has to pass through the lamp wall and two of the tube wall of outer tube, ultraviolet lamp before being irradiated to water body
Gap between person, it is clear that this is a relatively long distance, it is contemplated that the wavelength of vacuum ultraviolet is shorter, declines with distance
Subtract, such structure will lead to ultraviolet light to the decrease of the clean-up effect of water.
By taking the prior art as an example, ozone is generated using ultraviolet lamp and clears up the Patent No. of the technical solution of organic matter
Two-way Cycle catalysis ozone water treatment facilities and method disclosed in ZL201310029760.0, wherein the outside of the ultraviolet lamp used needs
A quartz glass sleeve is added again, due to inevitably having cylindrical cavity between ultraviolet lamp and quartz glass sleeve,
And ultraviolet lamp itself also has lamp wall construction, on the one hand increases ultraviolet lamp to by the distance between radiant matter, another aspect
Since the double glazing of ultraviolet lamp and quartz glass tube is arranged, it can absorb that part is ultraviolet, to reduce whole working efficiency.
Utility model content
The purpose of this utility model is that in view of the foregoing drawbacks, a kind of mixing wastewater with air clarifier and water purification system are provided,
Clamping wall pipe structure is made full use of to solve the problems, such as to carry out purified treatment low efficiency to sewage.
The technical solution of the utility model, comprising:
In a first aspect, the utility model provides a kind of mixing wastewater with air clarifier, including mixing wastewater with air component, vacuum-ultraviolet light
Pipe, outer tube, in which:
The vacuum ultraviolet light pipe, including dielectric outer wall cylindrical in shape made of ultraviolet transmissive light and insulating materials and Jie
Matter inner wall, the dielectric outer wall are socketed in the outside of the dielectric inner wall, and the dielectric inner wall and the dielectric outer wall it
Between form cylindrical cavity, the cylindrical cavity both ends between the dielectric outer wall and the dielectric inner wall are sealed to form centre
Clamping wall pipe structure with through-hole, being filled with inside the cylindrical cavity of the clamping wall pipe structure can be after the application of an electrical field in swashing
The wall thickness of hair-like state and the excited gas for issuing ultraviolet, the dielectric outer wall or the dielectric inner wall is equal；
The mixing wastewater with air component is connect with one end of the through-hole of the vacuum ultraviolet light pipe, which is provided with water inlet and
Air inlet；
The outer tube is socketed on the vacuum ultraviolet light pipe, and the outer tube is equipped with gas access and gas goes out
Mouthful, wherein the gas vent is connected to the air inlet of the mixing wastewater with air component, wherein in the dielectric inner wall far from through-hole
A side surface, being given an account of in the cylindrical cavity between the dielectric inner wall and the dielectric outer wall or in the outer tube
The outside of matter outer wall is equipped with first electrode.
Selectively, one end of the through-hole of the vacuum ultraviolet light pipe is placed in wherein by the mixing wastewater with air component.
Selectively, it is equipped with check valve on the connecting pipeline between the gas vent and the air inlet, makes gas
It is only capable of flowing to the air inlet by the gas vent；And/or the air inlet is provided with distribution device.
Selectively, the vacuum ultraviolet light pipe has two or three more parallels, and described true after parallel connection
The outlet of empty UV light tube is connected to collector-shoe gear.
Selectively, radiator structure and/or turbulence structure are equipped in the through-hole of the dielectric inner wall.
Selectively, the dielectric outer wall is set as straight barrel type, cone cylinder type or spiral cartridge type, the dielectric inner wall with it is described
The shape adaptation of dielectric outer wall.
Selectively, the first electrode is that the dielectric inner wall is connected to by way of stickup, etching or printing
The either spiral-shaped conductive film or comb teeth shape conductive film in the dielectric outer wall；Or selectively, the first electrode is
Spirality metal coil or comb teeth shape metal electrode；
Alternatively, the first electrode is to be covered on the dielectric outer wall outer surface or the dielectric inner wall far from through-hole one
The conductive layer of side surface.
Selectively, further include second electrode, a side surface of the dielectric inner wall far from through-hole, the medium are set
The outside of cylindrical cavity or the dielectric outer wall between inner wall and the dielectric outer wall, the shape of the second electrode and institute
The shape adaptation of first electrode is stated, and the second electrode is equal with the distance between the first electrode, second electricity
One end of pole is used to connect with external AC power source, makes between the first electrode and the second electrode in the energized state
Electric field is formed, the other end of the second electrode is free end.
Selectively, medium resistance is covered on the surface of one or two of the first electrode and described second electrode
Barrier.
Selectively, the dielectric outer wall is set as straight barrel type, cone cylinder type or spiral cartridge type, the dielectric inner wall with it is described
The shape adaptation of dielectric outer wall.
Second aspect, the utility model also provide a kind of water purification system, including mixing wastewater with air clarifier described above and
One output end of AC power source, the AC power source is connect with the first electrode, another output of the AC power source
End is connect with the water in the mixing wastewater with air component, to be formed into a loop, makes to generate electric field simultaneously between water and the first electrode
Excite the excited gas in the cylindrical cavity.
Mixing wastewater with air clarifier and water purification system provided by the utility model, by dielectric barrier discharge to vacuum ultraviolet
Excited gas inside light pipe carries out excitation and generates vacuum-ultraviolet light, so that carrying out radiation to the oxygen for flowing through outer tube makes oxygen
Reaction generates ozone, is then re-filled in mixing wastewater with air component, mixes ozone with water, and aoxidizing has reproducibility in water
The pollutant of matter, enters inside vacuum ultraviolet light pipe with dampening, not only makes the organic matter in water in the radiation of vacuum-ultraviolet light
Under degrade, while ozone in water and oxygen also being made to generate reaction under the action of vacuum-ultraviolet light again, thus into
One step handles pollutant.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the mixing wastewater with air clarifier of the utility model and the structural schematic diagram of water purification system.
In figure:
10, vacuum ultraviolet light pipe；11, dielectric outer wall；12, dielectric inner wall；13, cylindrical cavity；14, through-hole；15, the first electricity
Pole；16, turbulence structure；
21, outer tube；22, gas access；23, gas vent.
30, mixing wastewater with air component；31, water inlet；32, air inlet；
40, collector-shoe gear；
50, AC power source.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
As shown in Figure 1, embodiment according to the present utility model, provides a kind of mixing wastewater with air clarifier, including air water mixes
Close component 30, vacuum ultraviolet light pipe 10, outer tube 21, in which:
The vacuum ultraviolet light pipe 10, including cylindrical in shape made of ultraviolet transmissive light and insulating materials (such as can be
Circular cylinder, oval cylinder or square tube etc.) dielectric outer wall 11 and dielectric inner wall 12, the dielectric outer wall 11 is socketed in described
The outside of dielectric inner wall 12, and cylindrical cavity 13 is formed between the dielectric inner wall 12 and the dielectric outer wall 11, to described
13 both ends of cylindrical cavity between dielectric outer wall 11 and the dielectric inner wall 12 are sealed to form the intermediate folder with through-hole 14
Wall pipe structure, be filled with inside the cylindrical cavity 13 of the clamping wall pipe structure can apply electric field (usually high-frequency and high-voltage electric field,
When the excitation for meeting excited gas requires, it is also possible to low voltage electric field) it is in excited state later and issues ultraviolet
The wall thickness of excited gas, the dielectric outer wall 11 or the dielectric inner wall 12 is equal；
The mixing wastewater with air component 30 is connect with one end of the through-hole 14 of the vacuum ultraviolet light pipe 10, which is provided with into
The mouth of a river 31 and air inlet 32；Its water inlet 31 contains for injecting the polluted-water containing organic matter, air inlet 32 for being filled with
There is the gas of ozone, air inlet 32 is connected to gas vent 23 in the present embodiment, and the gas flowed out from gas vent 23 is in vacuum
Oxygen reaction is set to generate ozone under the radiation effects of UV light tube 10；
The outer tube 21 is socketed on the vacuum ultraviolet light pipe 10, and the outer tube 21 is equipped with gas access 22
With gas vent 23, wherein the gas vent 23 is connected to the air inlet 32 of the mixing wastewater with air component 30, wherein described
Cylindrical cavity 13 between a side surface, the dielectric inner wall 12 and the dielectric outer wall 11 of the dielectric inner wall 12 far from through-hole 14
In or the outside of the dielectric outer wall 11 in the outer tube 21 be equipped with first electrode 15, when first electrode 15 is only arranged
When, first electrode 15 is connect with an output end of AC power source, and the another output of AC power source is connect with water body, from
And between water body and first electrode 15 and dielectric inner wall 12 (and dielectric outer wall 11) between the two forms dielectric impedance and puts
Electric structure excites excited gas under the action of electric field and issues vacuum-ultraviolet light, and vacuum-ultraviolet light is respectively from dielectric outer wall 11
It is transmitted away with dielectric inner wall 12, and radiation effects is carried out to oxygen and water body respectively.
The excited gas can be argon gas, xenon ... or their any mixing.
Selectively, one end of the through-hole 14 of the vacuum ultraviolet light pipe 10 is placed in it by the mixing wastewater with air component 30
In.
Selectively, check valve (figure is equipped on the connecting pipeline between the gas vent 23 and the air inlet 32
In be not shown), make gas be only capable of flowing to the air inlet 32 by the gas vent 23, avoid the hydraulic pressure in water inlet 31 big
When the air pressure of rain air inlet 32, the water in mixing wastewater with air component 30 along connecting pipeline adverse current to gas vent 23 and is entered outer
In casing 21.
Selectively, the air inlet 32 is provided with distribution device (not shown), enables the gas containing ozone
It is enough to be more sufficiently mixed with the water in mixing wastewater with air component 30.
Selectively, the vacuum ultraviolet light pipe 10 tool there are two or three more parallels, and it is described after parallel connection
The outlet of vacuum ultraviolet light pipe 10 is connected to collector-shoe gear 40, and normally, multiple vacuum ultraviolet light pipes 10 can use array
Arrangement.
Selectively, radiator structure is equipped in the through-hole 14 of the dielectric inner wall 12, when enabling flow through through-hole 14
Heat is taken away, achievees the effect that cooling；Also it can choose ground, turbulence structure be equipped in the through-hole 14 of the dielectric inner wall 12
16, the purpose is to achieve the effect that flow-disturbing to by the fluid in through-hole 14, allow fluid more fully by vacuum ultraviolet spoke
It penetrates；
Selectively, the dielectric outer wall 11 is set as straight barrel type, cone cylinder type or spiral cartridge type, accordingly, the medium
The shape adaptation of inner wall 12 and the dielectric outer wall 11, it may be assumed that when dielectric outer wall 11 is straight barrel type, the shape of dielectric inner wall 12 can
It is the straight barrel type or cone cylinder type of shapes and sizes adaptation；When dielectric outer wall 11 is cone cylinder type, the shape of dielectric inner wall 12 be can be
The straight barrel type or cone cylinder type of shapes and sizes adaptation；When dielectric outer wall 11 is spiral cartridge type, the shape of dielectric inner wall 12 is usual
It also is spiral cartridge type.The collocation of straight tube and cone cylinder can be used between dielectric outer wall 11 and dielectric inner wall, or using cone cylinder and
The shape of the collocation of cone cylinder, cone cylinder can be when being sealed the cylindrical cavity 13 between dielectric outer wall 11 and dielectric inner wall 12
It is sealed using mechanical structure, to guarantee sealing effect；In the dielectric outer wall 11 and medium of common straight barrel type (diameter is equal)
The cylindrical cavity 13 of wall 12 is more difficult when sealing to be sealed using mechanical structure, and it is close to need to design more complicated structure progress
Envelope.
Selectively, first electrode 15 works as work using the spirality metal coil for being wrapped in 12 outer surface of dielectric inner wall
Make under state, since the temperature distortion of dielectric outer wall 11 and dielectric inner wall 12 is smaller, and wire coil temperature distortion is larger, medium
Cylindrical cavity 13 between outer wall 11 and dielectric inner wall 12 provides the space of deformation for wire coil expanded by heating, avoids gold
Belong to coil expanded by heating and bursts dielectric outer wall 11 or dielectric inner wall 12；In the process of implementation, can alternatively, first electrode
15 are also possible to comb teeth shape design, and the axial direction around the outer surface of dielectric inner wall 12 is arranged.
First electrode 15 can also be socketed in the outside of dielectric outer wall 11, and be located in outer tube 21, due to gas itself
With insulating properties, to reduce the producting process difficulty of vacuum ultraviolet light pipe 10 under the premise of ensure that launching efficiency.
Can alternatively, the first electrode 15 may be that institute is connected to by way of stickup, etching or printing
State the spiral-shaped conductive film or comb teeth shape conductive film in dielectric inner wall 12 or the dielectric outer wall 11；After conductive film is powered
It can be used as electrode use.
It can choose ground, the first electrode 15 is to be covered on 11 outer surface of dielectric outer wall or the dielectric inner wall
12 conductive layers far from 14 1 side surface of through-hole, the conductive layer are also possible to partial mulching (e.g. covering half of tube wall),
It can be whole covering (usually requiring that conductive layer is ultraviolet transmissive optical conductive layer, at this time to guarantee vacuum ultraviolet transmission)；
Selectively, further include second electrode (not shown), the dielectric inner wall 12 is set far from through-hole 14
Cylindrical cavity 13 or the dielectric outer wall 11 between one side surface, the dielectric inner wall 12 and the dielectric outer wall 11 it is outer
Portion, the shape adaptation of the shape of the second electrode and the first electrode 15, and the second electrode and first electricity
The distance between pole 15 is equal, and one end of the second electrode is used to connect with external AC power source, makes the first electrode
Electric field is formed between 15 and the second electrode in the energized state, the other end of the second electrode is free end；This implementation
In example, second electrode uses spirality metal coil identical with first electrode 15, but can also alternatively, 15 He of first electrode
One in second electrode uses spirality metal coil, another is by the way of conductive layer perhaps conductive film or the two
It is all made of conductive film (such as comb teeth shape).First electrode 15 and second electrode can be separately positioned on vacuum ultraviolet light pipe 10
Cylindrical cavity 13 neutralizes the outside for being socketed in dielectric outer wall 11, is also possible to that the cylindrical chamber of vacuum ultraviolet light pipe 10 is arranged in simultaneously
In body 13.
Selectively, when first electrode 15 and second electrode are respectively positioned in the cylindrical cavity 13 of vacuum ultraviolet light pipe 10,
Dielectric barrier is covered on the surface of one or two of the first electrode 15 and the second electrode.Dielectric barrier
Using insulating materials, can further barrier discharge, improve the safety and stability of barrier discharge.
According to the utility model embodiment, as shown in Figure 1, also providing a kind of water purification system, including air water described above
Mixing clarifier and AC power source 50, an output end of the AC power source 50 are connect with the first electrode 15, the friendship
The another output in galvanic electricity source 50 is connect with the water in the mixing wastewater with air component 30, to be formed into a loop, make water with it is described
Electric field is generated between first electrode 15 and excites the excited gas in the cylindrical cavity 13.
Under the action of water purification system described in the utility model, swash under the action of AC power source and vacuum ultraviolet light pipe
Vacuum-ultraviolet light is sent out, so that hydrone is adequately exposed to the radiation of vacuum ultraviolet, is effectively acted on by hydroxyl radical free radical；Ozone is stirred
It is sufficiently acted on water mixing, under VUV Irradiation, oxygen, hydrone, which are persistently excited, generates hydroxyl radical free radical isoreactivity
Particle, oxygen molecule continue to synthesize ozone, are drive and be energized into upper state, strongly interrupt the molecule of organic molecule in sewage
Key, by organic matter degradation, resolution until mineralising.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (10)
1. a kind of mixing wastewater with air clarifier, including mixing wastewater with air component (30), vacuum ultraviolet light pipe (10), outer tube (21),
It is characterized in that, in which:
The vacuum ultraviolet light pipe (10), including dielectric outer wall (11) cylindrical in shape made of ultraviolet transmissive light and insulating materials
With dielectric inner wall (12), the dielectric outer wall (11) is socketed in the outside of the dielectric inner wall (12), and the dielectric inner wall
(12) cylindrical cavity (13) are formed between the dielectric outer wall (11), to the dielectric outer wall (11) and the dielectric inner wall
(12) cylindrical cavity (13) both ends between are sealed to form the intermediate clamping wall pipe structure with through-hole (14), the clamping wall pipe
Excited state can be in after the application of an electrical field and issue the excitation of ultraviolet by being filled with inside the cylindrical cavity (13) of structure
The wall thickness of gas, the dielectric outer wall (11) or the dielectric inner wall (12) is equal；
The mixing wastewater with air component (30) connect with one end of the through-hole (14) of the vacuum ultraviolet light pipe (10), which is provided with
Water inlet (31) and air inlet (32)；
The outer tube (21) is socketed on the vacuum ultraviolet light pipe (10), and the outer tube (21) is equipped with gas access
(22) and gas vent (23), wherein the gas vent (23) and the air inlet (32) of the mixing wastewater with air component (30) even
It is logical, wherein outside the dielectric inner wall (12) side surface, the dielectric inner wall (12) and described medium far from through-hole (14)
The outside of the dielectric outer wall (11) in cylindrical cavity (13) between wall (11) or in the outer tube (21) is equipped with the
One electrode (15).
2. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
One end of the through-hole (14) of the vacuum ultraviolet light pipe (10) is placed in wherein by the mixing wastewater with air component (30).
3. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
It is equipped with check valve on connecting pipeline between the gas vent (23) and the air inlet (32), gas is made to be only capable of leading to
It crosses the gas vent (23) and flows to the air inlet (32)；And/or the air inlet (32) is provided with distribution device.
4. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
There are two vacuum ultraviolet light pipe (10) tools or three more parallels, and the vacuum ultraviolet light pipe after parallel connection
(10) outlet is connected to collector-shoe gear (40).
5. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
Radiator structure and/or turbulence structure (16) are equipped in the through-hole (14) of the dielectric inner wall (12)；
And/or the dielectric outer wall (11) is set as straight barrel type, cone cylinder type or spiral cartridge type, the dielectric inner wall (12) and institute
State the shape adaptation of dielectric outer wall (11).
6. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
The first electrode (15) is is connected to the dielectric inner wall (12) or institute by way of stickup, etching or printing
State the spiral-shaped conductive film or comb teeth shape conductive film on dielectric outer wall (11)；Or selectively, the first electrode (15)
For spirality metal coil or comb teeth shape metal electrode；
Alternatively, the first electrode (15) is to be covered on the dielectric outer wall (11) outer surface or the dielectric inner wall (12) far
Conductive layer from (14) one side surface of through-hole.
7. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
Further include second electrode, is arranged in the dielectric inner wall (12) far from the side surface of through-hole (14), the dielectric inner wall
(12) outside of the cylindrical cavity (13) between the dielectric outer wall (11) or the dielectric outer wall (11), second electricity
The shape adaptation of the shape of pole and the first electrode, and the distance between the second electrode and the first electrode phase
One end Deng, the second electrode is used to connect with external AC power source, make the first electrode and the second electrode it
Between form electric field in the energized state, the other end of the second electrode is free end.
8. a kind of mixing wastewater with air clarifier as claimed in claim 7, which is characterized in that
Dielectric barrier is covered on the surface of one or two of the first electrode (15) and the second electrode.
9. a kind of mixing wastewater with air clarifier as described in claim 1, which is characterized in that
The dielectric outer wall (11) is set as straight barrel type, cone cylinder type or spiral cartridge type, the dielectric inner wall (12) and the medium
The shape adaptation of outer wall (11).
10. a kind of water purification system, which is characterized in that including mixing wastewater with air clarifier described in one of claim 1-9 with exchange
One output end of power supply (50), the AC power source (50) is connect with the first electrode (15), the AC power source (50)
Another output connect with the water in the mixing wastewater with air component (30), to be formed into a loop, make water and first electricity
Electric field is generated between pole (15) and excites the excited gas in the cylindrical cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820572086.9U CN208234584U (en) | 2018-04-21 | 2018-04-21 | A kind of mixing wastewater with air clarifier and water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820572086.9U CN208234584U (en) | 2018-04-21 | 2018-04-21 | A kind of mixing wastewater with air clarifier and water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208234584U true CN208234584U (en) | 2018-12-14 |
Family
ID=64583759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820572086.9U Active CN208234584U (en) | 2018-04-21 | 2018-04-21 | A kind of mixing wastewater with air clarifier and water purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208234584U (en) |
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2018
- 2018-04-21 CN CN201820572086.9U patent/CN208234584U/en active Active
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Effective date of registration: 20200716 Address after: No.00088, Bohai 1st Road, Binhai District, Weifang City, Shandong Province Patentee after: Shandong PRISMA environmental protection equipment Co.,Ltd. Address before: 100094 room 316, 1 building, 13 Cui Hunan Road, Haidian District, Beijing. Patentee before: BEIJING QINGYUAN ZHONGKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201009 Address after: Room 1002, science and Technology Innovation Park, blue Zhigu, no.6888, Kangkang East Street, high tech Zone, Weifang City, Shandong Province Patentee after: SHANDONG BEIHAI NEW ENERGY GROUP CO.,LTD. Address before: No.00088, Bohai 1st Road, Binhai District, Weifang City, Shandong Province Patentee before: Shandong PRISMA environmental protection equipment Co.,Ltd. |
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Effective date of registration: 20220715 Address after: 261000 no.00088, Bohai 1st Road, Binhai District, Weifang City, Shandong Province Patentee after: Shandong PRISMA environmental protection equipment Co.,Ltd. Address before: Room 1002, blue Zhigu Zhongke Innovation Park, 6888 Jiankang East Street, high tech Zone, Weifang City, Shandong Province, 261000 Patentee before: SHANDONG BEIHAI NEW ENERGY GROUP CO.,LTD. |
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