CN208115665U - A kind of Liqiud-gas mixing device - Google Patents
A kind of Liqiud-gas mixing device Download PDFInfo
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- CN208115665U CN208115665U CN201820391747.8U CN201820391747U CN208115665U CN 208115665 U CN208115665 U CN 208115665U CN 201820391747 U CN201820391747 U CN 201820391747U CN 208115665 U CN208115665 U CN 208115665U
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Abstract
The present invention provides a kind of Liqiud-gas mixing device, including：Shell, movable plate group, stationary plate group and driving mechanism, shell therein have cylindrical inner wall, are equipped with gas access and liquid inlet in the lower end of shell, are equipped with gas vent and liquid outlet in the upper end of the shell；Movable plate group, is arranged in the cylindrical inner wall of shell, and is located between the both ends of shell, on the movable plate of movable plate group, is provided with movable plate hole and/or movable plate slot；Stationary plate group, is arranged on the cylindrical inner wall of shell, and intersecting is arranged between movable plate group, on the stationary plate of stationary plate group, is provided with stationary plate hole and/or static piece track.The solution of the present invention, the dynamic and static pipeline passed through from bottom to top simultaneously by gas and liquid, being mutually mixed for high-efficiency and precision between air-liquid is completed, realizes no matter in fluid flux size, pressure height or small space, can realize the efficient mixing between gas-liquid.
Description
Technical field
The invention belongs to gas-liquid mixed technical fields, and in particular to a kind of Liqiud-gas mixing device.
Background technique
Mixing wastewater with air mode on the market at present, there is bubbling pond (liquid continuous phase), atomized water spray (gas continuous phase), injection
The modes such as device (conversion of gas-liquid continuous phase), static mixer and Taylor's mixer.And being sufficiently mixed between realizing air water, it needs
Three classes primary condition：1, two-phase system is intermolecular sufficiently big contact area；2, efficiently contact with each other motion mode；3, it protects
Hold the sufficiently long time to react to each other.
Therefore, existing way none be not respectively necessary for high-power, big flow, high pressure, the condition of large space, be just able to achieve
The gas purpose mixed with the mutual chemical reaction or dissolution of water body.Wherein, Taylor's mixer passes through inside and outside concentric tube wall
The relative motion of rotation can realize the mixing of gas and water in small scale container, but since sound tube wall gap is narrow, stream
Body flux is too small and causes efficiency too low, lacks practical value.
In the prior art, there are the defects of inconvenient to use, low efficiency and the scope of application are small.
Summary of the invention
It is an object of the present invention in view of the foregoing drawbacks, a kind of Liqiud-gas mixing device be provided, to solve gas in the prior art
Liquid hybrid mode needs the conditions such as high-power, big flow, high pressure and large space and leads to inconvenient problem with use, reaches and mentions
Rise the effect of property easy to use.
The present invention provides a kind of Liqiud-gas mixing device, including：
Shell has cylindrical inner wall, gas access and liquid inlet is equipped in the lower end of the shell, in the shell
Upper end is equipped with gas vent and liquid outlet, and the height of the gas vent is higher than the height of the liquid outlet；
Movable plate group is arranged in the cylindrical inner wall of the shell, and is located between the both ends of the shell, in the movable plate
On the movable plate of group, it is provided with movable plate hole and/or movable plate slot；
Stationary plate group is arranged on the cylindrical inner wall of the shell, and intersecting is arranged between the movable plate group, in institute
On the stationary plate for stating stationary plate group, it is provided with stationary plate hole and/or static piece track；
Driving mechanism, for movable plate group described in the centre-drive along the cylindrical inner wall, make the movable plate group relative to
Stationary plate group rotation, and make during rotation the movable plate hole on movable plate and/or the stationary plate hole on movable plate slot and stationary plate and/
Or intersects or be overlapped between static piece track.
The driving mechanism includes drive shaft, and the movable plate group is fixedly mounted in the drive shaft；Accordingly, described quiet
The stationary plate center of piece group is equipped with centre bore, and the drive shaft passes through the centre bore；The stationary plate group that is stacked and described
Movable plate group covers the cross-sectional space of the cylindrical inner wall outside the drive shaft.
The shape of the stationary plate is adapted to the cross-sectional shape of the cylindrical inner wall, and in the stationary plate and the tubular
Wall is fitted close；The edge of the centre bore of the stationary plate is close to the drive shaft；
And/or
The shape of the movable plate is adapted to the cross-sectional shape of the cylindrical inner wall, and the edge of the movable plate with it is described
Retain gap between cylindrical inner wall.
In the sound piece group, the setting position in the movable plate hole is corresponding with the setting position in the stationary plate hole, with
The movable plate hole is set to connect with the stationary plate hole；
And/or
It in the sound piece group, between the movable plate and the stationary plate, is spaced with gasket, the gasket is fixed on institute
It states in drive shaft；
And/or
It is additionally provided with float valve in the upper end of the shell, the float valve is used to control the opening and closing of the liquid outlet, makes described
When liquid level in shell is higher than the height of the liquid outlet, the liquid outlet is opened by float valve control；Work as institute
When stating liquid level in shell and being not higher than the height of the liquid outlet, the liquid outlet is closed by float valve control.
The edge of the stationary plate is equipped with installation ears, and the inner wall of the shell is equipped with mounting groove, the installation ears
It is embedded in the mounting groove.
The shell, including：Cylinder, the lower cover for being mounted on the cylinder lower end and it is mounted on the upper of the cylinder upper end
End cap；Wherein,
The gas access and the liquid inlet are arranged on the lower cover；
The gas vent and the liquid outlet are arranged on the upper end cover.
The driving mechanism further includes：First axle bed and the second axle bed；Wherein,
First axle bed, is set between the first end of the drive shaft and the upper end cover, and with the sound
The first end face of piece group abuts；
Second axle bed, is set between the second end of the drive shaft and the lower cover, and with the sound
The second end face of piece group abuts.
The driving mechanism further includes：First magnet and the second magnet；Wherein,
First magnet is arranged in parallel on the contrary positioned at the outside of the shell, and with second magnet polarity；
And/or second magnet is driven by water wheels and is rotated；
Second magnet positioned at the inside of the shell, and is horizontally placed on the first end of the drive shaft.
The drive shaft passes through the shell, and connect with external impetus mechanism；
And/or the power mechanism is rotated in the driving of water wheels.
The movable plate hole and/or movable plate slot are along direction that is vertical with the tangential direction of the cylindrical inner wall or intersecting point
Cloth；The stationary plate hole and/or static piece track are along directional spreding that is vertical with the tangential direction of the cylindrical inner wall or intersecting.
The solution of the present invention, the dynamic and static pipeline passed through from bottom to top simultaneously by gas and liquid, completes air-liquid
Between high-efficiency and precision be mutually mixed, realize no matter in fluid flux size, pressure height or small space, can realize gas
Efficient mixing between liquid.
The solution of the present invention as a result, high-efficiency and precision is mutually mixed between realizing air-liquid, and it is mixed to solve gas-liquid in the prior art
Conjunction mode needs the conditions such as high-power, big flow, high pressure and large space and leads to inconvenient problem with use, thus, overcome
Inconvenient to use in the prior art, low efficiency and the small defect of the scope of application realize that easy to use, the high-efficient and scope of application is big
Beneficial effect；When this programme carries out the process of purified treatment for ozone gas, using effect is more preferable.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the axial broken section structural schematic diagram of an embodiment of Liqiud-gas mixing device of the invention；
Fig. 2 is the radial broken section structural schematic diagram of an embodiment of Liqiud-gas mixing device of the invention；
Fig. 3 is the positive structure schematic of an embodiment of gasket in Liqiud-gas mixing device of the invention；
Fig. 4 is the positive structure schematic of an embodiment of movable plate in Liqiud-gas mixing device of the invention；
Fig. 5 is the positive structure schematic of an embodiment of stationary plate in Liqiud-gas mixing device of the invention；
Fig. 6 is the radial broken section structural schematic diagram of an embodiment of Liqiud-gas mixing device middle cylinder body of the invention；
Fig. 7 is the positive structure schematic of the another embodiment of movable plate in Liqiud-gas mixing device of the invention；
Fig. 8 is the positive structure schematic of the another embodiment of stationary plate in Liqiud-gas mixing device of the invention.
In conjunction with attached drawing, appended drawing reference is as follows in the embodiment of the present invention：
The first magnet of 11-；The second magnet of 12-；21- upper end cover；22- lower cover；3- cylinder；31- mounting groove；32- connection
Part；4- movable plate；41- movable plate hole；42, movable plate slot；5- stationary plate；51- stationary plate hole；52, static piece track；53- installs ears；6- driving
Axis；The first axle bed of 71-；The second axle bed of 72-；81- gas vent；82- liquid outlet；The gas access 83-；The liquid inlet 84-；
101- gasket.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
As shown in figures 1-8, according to an embodiment of the invention, providing a kind of Liqiud-gas mixing device, including：Shell, movable plate
Group, stationary plate group and driving mechanism, wherein：
Shell have cylindrical inner wall, the cylindrical inner wall can be revolution shape be also possible to polygonal shape or other
Shape, is equipped with gas access 83 and liquid inlet 84 in one end of the shell, is equipped with gas vent in the upper end of the shell
81 and liquid outlet 82, and the height of the gas vent 81 is higher than the height of the liquid outlet 82, avoids liquid level
When lower than liquid outlet 82, gas is discharged by liquid outlet 82；
Movable plate group is arranged in the cylindrical inner wall of the shell, and is located between the both ends of the shell, in the movable plate
On the movable plate 4 of group, it is provided with movable plate hole 41 and/or movable plate slot 42；The movable plate of movable plate group carries out laterally relative to the both ends of shell
Arrangement enables fluid to be broken up under the rotary action of movable plate when by between the both ends of shell, to play flow-disturbing and promote
Into the effect of gas-liquid mixed；
Stationary plate group is arranged on the cylindrical inner wall of the shell, and intersecting is arranged between the movable plate group, in institute
It states on the stationary plate 5 of stationary plate group, is provided with stationary plate hole 51 and/or static piece track 52；The setting of stationary plate group can refer to movable plate group, make
With being to realize flow-disturbing together with movable plate group to promote gas-liquid mixed；
Driving mechanism makes the movable plate group relative to institute for movable plate group described in the centre-drive along the cylindrical inner wall
The rotation of stationary plate group is stated, and makes the movable plate hole 41 on movable plate and/or the stationary plate hole on movable plate slot 42 and stationary plate during rotation
Intersect between 51 and/or static piece track 52 or be overlapped, act on two kinds of fluids of gas-liquid can only by the flow-disturbing of movable plate group and stationary plate group
The upper end that shell reaches shell could be passed through later.
The solution of the present invention, the dynamic and static pipeline passed through from bottom to top simultaneously by gas and liquid, completes air-liquid
Between high-efficiency and precision be mutually mixed, realize no matter in fluid flux size, pressure height or small space, can realize gas
Efficient mixing between liquid.
The solution of the present invention as a result, high-efficiency and precision is mutually mixed between realizing air-liquid, and it is mixed to solve gas-liquid in the prior art
Conjunction mode needs the conditions such as high-power, big flow, high pressure and large space and leads to inconvenient problem with use, thus, overcome
Inconvenient to use in the prior art, low efficiency and the small defect of the scope of application realize that easy to use, the high-efficient and scope of application is big
Beneficial effect；When this programme carries out the process of purified treatment for ozone gas, using effect is more preferable.
Still optionally further, the driving mechanism includes drive shaft 6, and the movable plate group is fixedly mounted on the drive shaft 6
On；Accordingly, the stationary plate center of the stationary plate group is equipped with centre bore, and the drive shaft passes through the centre bore；It is stacked
The stationary plate group and the movable plate group cover the cross-sectional space of the cylindrical inner wall outside the drive shaft 6, with into one
Step ensures to flow through the fluid in the space of the cylindrical inner wall of enclosure interior, it is necessary to by being filled under the action of movable plate group and stationary plate group
Divide mixing.
The shape of the stationary plate 5 is adapted to the cross-sectional shape of the cylindrical inner wall, and the stationary plate 5 and the tubular
Inner wall is fitted close, so that therebetween with the gap of very little, or come into full contact with very close to each other；The center of the stationary plate 5
The edge in hole is close to the drive shaft 6；To enable eyeglass 5 to cover the sky between drive shaft 6 and cylindrical inner wall radially
Between, further promote fluid that can only could pass through cylindrical inner wall by lens hole 51 on eyeglass 5 or static piece track 52；
The shape of the movable plate 4 is adapted to the cross-sectional shape of the cylindrical inner wall, and the edge of the movable plate 4 and institute
It states and retains gap between cylindrical inner wall, the purpose of design covers in drive shaft 6 and tubular as far as possible also for guarantee movable plate 4
Space between wall, thus make movable plate 4 in the course of rotation can transverse cuts all flow through cylindrical inner wall space stream
Body.
In the sound piece group, the setting position in the movable plate hole 41 is opposite with the setting position in the stationary plate hole 51
It answers, so that the movable plate hole 41 connects with the stationary plate hole 51；
Be arranged as a result, by penetrating through movable plate hole and stationary plate hole, can increase fluid flow rate in gas-liquid mixing process and
Contact area, and then the efficiency of gas-liquid mixed is promoted, incorporation time is reduced, and can guarantee mixed effect, it is practical.
In the sound piece group, between the movable plate 4 and the stationary plate 5, it is spaced with gasket 101.
As a result, by being arranged alternately movable plate and stationary plate, gas-liquid mixed efficiency and effect can be promoted, low energy consumption and is applicable in
Range is wide.
It is additionally provided with float valve in the upper end of the shell, the float valve is used to control the opening and closing of the liquid outlet 82, makes institute
When stating liquid level in shell and being higher than the height of the liquid outlet 82, the liquid outlet is opened by float valve control
82；When the liquid level in the shell is not higher than the height of the liquid outlet 82, as described in float valve control closing
Liquid outlet 82.When such design may insure that liquid level is not higher than the height of liquid outlet 82, gas will not be along liquid
Body exports 82 and is discharged.
The edge of the stationary plate 5 is equipped with installation ears 53, and the inner wall of the cylinder 3 is equipped with mounting groove 31, the installation
Ears 52 are embedded in the mounting groove 31.
As a result, by making being equipped with for dynamic and static group and cylinder and drive shaft, on the one hand provided for gas-liquid mixed
On the other hand hybrid channel provides power for the rotation of movable plate, also for stationary plate provides support, structure is simple, and make gas
The implementation of liquid mixing is easy, and it is good to be applicable in convenience.
The shell, including：Cylinder 3, the upper end cover 21 for being mounted on 3 upper end of cylinder and it is mounted on the cylinder lower end
Lower cover 22；Wherein,
The gas access 83 and the liquid inlet 84 are arranged on the lower cover 22；
The gas vent 81 and the liquid outlet 82 are arranged on the upper end cover 21.
The driving mechanism further includes：First axle bed 71 and the second axle bed 72；Wherein,
First axle bed 71 is set between the first end and the upper end cover 21 of the drive shaft 6, and with it is described
The first end face of sound piece group abuts；
Second axle bed 72 is set between the second end and the lower cover 22 of the drive shaft 6, and with it is described
The second end face of sound piece group abuts.
As a result, by the way that the end cap of barrel end is arranged in, closed space is provided for gas-liquid mixed, is also gas-liquid mixed mistake
The disengaging of raw material and product provides channel in journey, further improves the convenience and reliability of gas-liquid mixed.
The driving mechanism further includes：First magnet 11 and the second magnet 12；Wherein,
First magnet 11, positioned at the outside of the shell, and with 12 polarity of the second magnet is parallel on the contrary sets
It sets；First magnet 11 is driven by water wheels and is rotated, thus make the present apparatus for when connecting with the tap of domestic water, it can be with
It is rotated by the hydraulic drives water wheels of tap, and then power support is provided.
Second magnet 12 positioned at the inside of the shell, and is horizontally placed on the first end of the drive shaft 6.
It drives drive shaft 6 to rotate by magnet as a result, drive shaft 6 can be set inside housings, without pass through shell
The wall of body is connect with external drive mechanism, to avoid rotary seal bring sealing problem, reduces technology difficulty, and drive
Dynamic high reliablity.
Selectively, the drive shaft 6 passes through the shell, and connect with external impetus mechanism.It is needed at this time to shell
Aperture is carried out, and carries out rotatory sealing in the junction of shell and drive shaft 6, to ensure shell in 6 rotation process of drive shaft
Sealing performance.
The power mechanism is rotated in the driving of water wheels, to make the present apparatus for connecting with the tap of domestic water
When, it can be rotated by the hydraulic drives water wheels of tap, and then power support is provided.
As shown in Figure 7 and Figure 8, the movable plate hole 41 and movable plate slot 42 are along vertical with the tangential direction of the cylindrical inner wall
Or the directional spreding of intersection；The stationary plate hole 51 and static piece track 52 along vertical with the tangential direction of the cylindrical inner wall or
The directional spreding of intersection.
Thus, it is possible to ensure movable plate 4 and stationary plate 5 during relative rotation, movable plate hole 41 and movable plate on movable plate 4
Slot 42 can repeatedly on stationary plate 5 stationary plate hole 51 and static piece track 52 cut and penetrate through mutually, to preferably make gas and liquid
Body mixing.
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 an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of Liqiud-gas mixing device, which is characterized in that including：
Shell has cylindrical inner wall, gas access (83) and liquid inlet (84) is equipped in the lower end of the shell, in the shell
The upper end of body is equipped with gas vent (81) and liquid outlet (82), and the height of the gas vent (81) is higher than the liquid
Export the height of (82)；
Movable plate group is arranged in the cylindrical inner wall of the shell, and is located between the both ends of the shell, in the movable plate group
On movable plate (4), it is provided with movable plate hole (41) and/or movable plate slot (42)；
Stationary plate group is arranged on the cylindrical inner wall of the shell, and intersecting is arranged between the movable plate group, described quiet
On the stationary plate (5) of piece group, it is provided with stationary plate hole (51) and/or static piece track (52)；
Driving mechanism makes the movable plate group relative to described for movable plate group described in the centre-drive along the cylindrical inner wall
The rotation of stationary plate group, and make the movable plate hole (41) on movable plate and/or the stationary plate on movable plate slot (42) and stationary plate during rotation
Intersect between hole (51) and/or static piece track (52) or is overlapped.
2. the apparatus according to claim 1, which is characterized in that
The driving mechanism includes drive shaft (6), and the movable plate group is fixedly mounted on the drive shaft (6)；Accordingly, described
The stationary plate center of stationary plate group is equipped with centre bore, and the drive shaft passes through the centre bore；The stationary plate group being stacked and institute
State the cross-sectional space that movable plate group covers the external cylindrical inner wall of the drive shaft (6).
3. the apparatus of claim 2, which is characterized in that wherein,
The shape of the stationary plate (5) is adapted to the cross-sectional shape of the cylindrical inner wall, and the stationary plate (5) and the tubular
Inner wall is fitted close；The edge of the centre bore of the stationary plate (5) is close to the drive shaft (6)；
And/or
The shape of the movable plate (4) is adapted to the cross-sectional shape of the cylindrical inner wall, and the edge of the movable plate (4) and institute
It states and retains gap between cylindrical inner wall.
4. the apparatus of claim 2, which is characterized in that wherein,
In the sound piece group, the setting position of the movable plate hole (41) is opposite with the setting position of the stationary plate hole (51)
It answers, so that the movable plate hole (41) connects with the stationary plate hole (51)；
And/or
In the sound piece group, between the movable plate (4) and the stationary plate (5), it is spaced with gasket (101), the gasket
(101) it is fixed on the drive shaft (6)；
And/or
It is additionally provided with float valve in the upper end of the shell, the float valve is used to control the opening and closing of the liquid outlet (82), makes described
When liquid level in shell is higher than the height of the liquid outlet (82), the liquid outlet is opened by float valve control
(82)；When the liquid level in the shell is not higher than the height of the liquid outlet (82), is controlled and closed by the float valve
The liquid outlet (82).
5. the device according to one of claim 2-4, which is characterized in that
The edge of the stationary plate (5) is equipped with installation ears (53), and the inner wall of the shell is equipped with mounting groove (31), the installation
Ears (53) are embedded in the mounting groove (31).
6. the apparatus according to claim 1, which is characterized in that the shell, including：Cylinder (3) is mounted on the cylinder
(3) upper end cover (21) of upper end and it is mounted on the lower cover (22) of the cylinder lower end；Wherein,
The gas access (83) and the liquid inlet (84) are arranged on the lower cover (22)；
The gas vent (81) and the liquid outlet (82) are arranged on the upper end cover (21).
7. device according to claim 6, which is characterized in that the driving mechanism further includes：First axle bed (71) and
Two axle beds (72)；Wherein,
First axle bed (71), is set between the first end of the drive shaft (6) and the upper end cover (21), and with institute
The first end face for stating sound piece group abuts；
Second axle bed (72), is set between the second end of the drive shaft (6) and the lower cover (22), and with institute
The second end face for stating sound piece group abuts.
8. device according to claim 7, which is characterized in that the driving mechanism further includes：First magnet (11) and
Two magnets (12)；Wherein,
First magnet (11), positioned at the outside of the shell, and with the second magnet (12) polarity is parallel on the contrary sets
It sets；
And/or first magnet (11) is driven by water wheels and is rotated；
Second magnet (12), positioned at the inside of the shell, and is horizontally placed on the first end of the drive shaft (6).
9. the apparatus of claim 2, which is characterized in that the drive shaft (6) passes through the shell, and dynamic with outside
Force mechanisms connection；
And/or the power mechanism is rotated in the driving of water wheels.
10. the apparatus according to claim 1, which is characterized in that
The movable plate hole (41) and/or movable plate slot (42) are along side that is vertical with the tangential direction of the cylindrical inner wall or intersecting
To distribution；The stationary plate hole (51) and/or static piece track (52) are along vertical with the tangential direction of the cylindrical inner wall or intersect
Directional spreding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391747.8U CN208115665U (en) | 2018-03-22 | 2018-03-22 | A kind of Liqiud-gas mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391747.8U CN208115665U (en) | 2018-03-22 | 2018-03-22 | A kind of Liqiud-gas mixing device |
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| CN208115665U true CN208115665U (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236878A (en) * | 2018-03-22 | 2018-07-03 | 罗璐 | A kind of Liqiud-gas mixing device |
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2018
- 2018-03-22 CN CN201820391747.8U patent/CN208115665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236878A (en) * | 2018-03-22 | 2018-07-03 | 罗璐 | A kind of Liqiud-gas mixing device |
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Effective date of registration: 20200707 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: 20200924 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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Granted publication date: 20181120 Termination date: 20210322 |