CN215027321U - Urban ecological environment protection device - Google Patents
Urban ecological environment protection device Download PDFInfo
- Publication number
- CN215027321U CN215027321U CN202120717556.8U CN202120717556U CN215027321U CN 215027321 U CN215027321 U CN 215027321U CN 202120717556 U CN202120717556 U CN 202120717556U CN 215027321 U CN215027321 U CN 215027321U
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- pipe
- box
- box body
- fixedly arranged
- protection device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 239000002351 wastewater Substances 0.000 claims description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 239000002912 waste gas Substances 0.000 description 38
- 239000007787 solid Substances 0.000 description 16
- 241000220317 Rosa Species 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a city ecological environment protection device. The urban ecological environment protection device comprises a box body; the T-shaped plate is fixedly arranged in the box body; the filter box is fixedly arranged on the T-shaped plate, a supporting plate is fixedly arranged on the inner wall of the bottom of the filter box, and the top of the filter box is communicated with an exhaust gas pipe; the filter plate is fixedly arranged on the inner wall of one side of the filter box and is fixedly connected with the support plate; the blanking pipe is fixedly arranged on the T-shaped plate and communicated with the inside of the filter box; the collecting frame is arranged on the inner wall of the bottom of the box body and located below the blanking pipe. The utility model provides a city ecological environment protection device has the labour that has reduced the workman, avoids blockking up, and convenient the processing uses comparatively labour saving and time saving's advantage.
Description
Technical Field
The utility model relates to an environmental protection technical field especially relates to a city ecological environment protection device.
Background
At present, along with the development of cities, people have higher and higher environmental awareness, and the development of cities is often accompanied by the development of industries, and the emission of waste gases is accompanied by industrial construction, and the waste gases can cause serious damage to the urban environment.
However, when the particulate matters such as dust in the waste gas are treated by water, the existing partial waste gas treatment device needs to discharge used water, however, the waste slag generated in the cleaning process is easy to precipitate, solidify and adhere to the bottom of the water tank, and the water drainage pipe is easy to block during water drainage, so that manual subsequent treatment is needed, the labor force of workers is increased, and the use is time-consuming and labor-consuming.
Therefore, there is a need to provide a new urban ecological environment protection device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a city ecological environment protection device with reduced workman, avoid blockking up, convenient processing uses comparatively labour saving and time saving.
In order to solve the technical problem, the utility model provides a city ecological environment protection device includes: a box body; the T-shaped plate is fixedly arranged in the box body; the filter box is fixedly arranged on the T-shaped plate, a supporting plate is fixedly arranged on the inner wall of the bottom of the filter box, and the top of the filter box is communicated with an exhaust gas pipe; the filter plate is fixedly arranged on the inner wall of one side of the filter box and is fixedly connected with the support plate; the blanking pipe is fixedly arranged on the T-shaped plate and communicated with the inside of the filter box; the collecting frame is arranged on the inner wall of the bottom of the box body and is positioned below the blanking pipe; the cleaning mechanism is arranged in the box body; the treatment box is arranged on the treatment mechanism, and a connecting hole is formed in the bottom of the treatment box; the guide pipe is fixedly arranged on one side of the filter box, is communicated with the interior of the filter box, and is communicated with the interior of the treatment box; the mounting box is fixedly mounted on one side of the T-shaped plate; the two activated carbon plates are fixedly arranged in the installation box; the spraying mechanism is arranged on one side of the box body; the exhaust pipe is fixedly arranged on the box body.
Preferably, clearance mechanism includes wastewater disposal basin, motor, axis of rotation, belt pulley and belt, wastewater disposal basin fixed mounting be in on the bottom inner wall of box, the top of wastewater disposal basin with the bottom fixed connection who handles the case, the wastewater disposal basin with the blast pipe is linked together, the bottom inner wall of wastewater disposal basin is the arc, motor fixed mounting be in on the bottom inner wall of box, the axis of rotation is rotated and is installed the both sides of wastewater disposal basin, two the belt pulley is fixed the cover respectively and is established on the output shaft of axis of rotation and motor, the belt winding is two on the belt pulley.
Preferably, the spraying mechanism includes water tank, water pump, conveyer pipe and four spray tubes, water tank fixed mounting be in one side of box, one side fixed mounting of water tank has the filler pipe, the filler pipe with the water tank is linked together, water pump fixed mounting be in the top of water tank, the water inlet of water pump extends to in the water tank, the water inlet of water pump with water tank fixed connection, the delivery port of water pump extends to in the box, conveyer pipe fixed mounting be in on the T shaped plate, the conveyer pipe with the export of water pump is linked together, four the spray tube respectively fixed mounting be in the bottom of conveyer pipe, four the spray tube all with the conveyer pipe is linked together, four the spray tube all extends to handle the incasement.
Preferably, a drain pipe is fixedly installed at the bottom of the wastewater tank, the drain pipe is communicated with the wastewater tank, the drain pipe extends out of the tank body, and a control valve is arranged on the drain pipe.
Preferably, two fixing blocks are fixedly mounted on the inner wall of the top of the box body, and the two fixing blocks are fixedly connected with the top of the conveying pipe.
Preferably, a hinged door is installed on one side of the box body, a rubber block is arranged on the hinged door, and the rubber block is in contact with one side of the collecting frame.
Preferably, a positioning block is fixedly mounted on one side of the collecting frame, the positioning block is in contact with one side of the T-shaped plate, and four rollers are fixedly mounted at the bottom of the collecting frame.
Preferably, the fixed cover in the axis of rotation is equipped with the cleaning rod, be provided with a plurality of brushes on the cleaning rod, a plurality of brushes all contact with the bottom inner wall of wastewater disposal basin.
Compared with the prior art, the utility model provides a city ecological environment protection device has following beneficial effect:
the utility model provides an urban ecological environment protection device, be convenient for through T shaped plate to the installation and the support of rose box, be convenient for separate the great solid-state thing in the waste gas through the filter in the rose box, avoid causing the influence to subsequent active carbon, the collection frame is convenient for collect the great solid-state thing of filtration, the processing case is convenient for carry out the separation processing to tiny solid-state thing in the waste gas, avoid waste gas diffusion influence separation, the pipe is convenient for carry the waste gas, the installation case is convenient for install two active carbons, two active carbons are convenient for adsorb the smell in the waste gas, the blast pipe is convenient for discharge the waste gas that has been handled;
the cleaning mechanism is favorable for turbidity of the precipitated solid matters in the wastewater tank, avoids pipeline blockage caused by solidification at the bottom of the wastewater tank during drainage, reduces subsequent manual cleaning of the blocked pipeline, conveniently reduces labor force, saves time and labor in use, the spraying mechanism is convenient for separating fine solid matters in the waste gas, so that the waste gas is better discharged to avoid environmental pollution, the used water in the wastewater tank is convenient to be discharged through the drain pipe, the conveying pipe is convenient to be fixed through the two fixing blocks, the collection frame is convenient to take out through the hinged door, the four rollers at the bottom of the collection frame are convenient to move in a labor-saving manner, and avoid collecting the aversion of frame through the locating piece, be convenient for carry on the turbidity to the solid matter that wastewater disposal basin bottom precipitated through a plurality of brushes on the cleaning rod, the drainage of the drain pipe of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the urban ecological environment protection device provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.
Reference numbers in the figures: 1. a box body; 2. a T-shaped plate; 3. a filter box; 4. a filter plate; 5. a blanking pipe; 6. a collection frame; 7. a wastewater tank; 8. a treatment tank; 9. a motor; 10. a rotating shaft; 11. a belt pulley; 12. a belt; 13. a conduit; 14. installing a box; 15. an activated carbon plate; 16. a water tank; 17. a water pump; 18. a delivery pipe; 19. a nozzle; 20. and (4) exhausting the gas.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the urban ecological environment protection device provided by the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is an enlarged schematic view of part B shown in fig. 1. The urban ecological environment protection device comprises: a box body 1; the T-shaped plate 2 is fixedly arranged in the box body 1; the filter box 3 is fixedly arranged on the T-shaped plate 2, a supporting plate is fixedly arranged on the inner wall of the bottom of the filter box 3, and the top of the filter box 3 is communicated with an exhaust gas pipe; the filter plate 4 is fixedly arranged on the inner wall of one side of the filter box 3, and the filter plate 4 is fixedly connected with the support plate; the blanking pipe 5 is fixedly arranged on the T-shaped plate 2, and the blanking pipe 5 is communicated with the inside of the filter box 3; the collecting frame 6 is arranged on the inner wall of the bottom of the box body 1, and the collecting frame 6 is positioned below the blanking pipe 5; the cleaning mechanism is arranged in the box body 1; the treatment box 8 is arranged on the treatment mechanism, and a connecting hole is formed in the bottom of the treatment box 8; a conduit 13, wherein the conduit 13 is fixedly arranged at one side of the filter box 3, the conduit 13 is communicated with the interior of the filter box 3, and the conduit 13 is communicated with the interior of the treatment box 8; the mounting box 14 is fixedly mounted on one side of the T-shaped plate 2; the two activated carbon plates 15 are fixedly arranged in the installation box 14; the spraying mechanism is arranged on one side of the box body 1; blast pipe 20, blast pipe 20 fixed mounting be in on the box 1, be convenient for through T shaped plate 2 to the installation and the support of rose box 3, filter 4 through the rose box 3 is convenient for separate the great solid-state thing in the waste gas, avoid causing the influence to subsequent activated carbon plate 15, collect frame 6 and be convenient for collect filterable great solid-state thing, it carries out the separation processing to tiny solid-state thing in the waste gas to handle case 8, avoid waste gas diffusion influence separation, pipe 13 is convenient for carry waste gas, install bin 14 is convenient for install two activated carbon plates 15, two activated carbon plates 15 are convenient for adsorb the smell in the waste gas, blast pipe 20 is convenient for discharge the waste gas of handling.
The cleaning mechanism comprises a wastewater tank 7, a motor 9, a rotating shaft 10, belt pulleys 11 and a belt 12, wherein the wastewater tank 7 is fixedly installed on the inner wall of the bottom of the box body 1, the top of the wastewater tank 7 is fixedly connected with the bottom of the treatment box 8, the wastewater tank 7 is communicated with the exhaust pipe 20, the inner wall of the bottom of the wastewater tank 7 is arc-shaped, the motor 9 is fixedly installed on the inner wall of the bottom of the box body 1, the rotating shaft 10 is rotatably installed on two sides of the wastewater tank 7, the two belt pulleys 11 are fixedly sleeved on the rotating shaft 10 and the output shaft of the motor 9 respectively, the belt 12 is wound on the two belt pulleys 11, the cleaning mechanism is favorable for turbidity of precipitated solid matters in the wastewater tank 7, the phenomenon that the bottom of the wastewater tank 7 is solidified to cause pipeline blockage during drainage is avoided, and the subsequent manual pipeline cleaning for blockage is reduced, the labor is reduced conveniently, and the use is time-saving and labor-saving.
The spraying mechanism comprises a water tank 16, a water pump 17, a conveying pipe 18 and four spraying pipes 19, the water tank 16 is fixedly mounted on one side of the box body 1, a water feeding pipe is fixedly mounted on one side of the water tank 16 and communicated with the water tank 16, the water pump 17 is fixedly mounted at the top of the water tank 16, a water inlet of the water pump 17 extends into the water tank 16, a water inlet of the water pump 17 is fixedly connected with the water tank 16, a water outlet of the water pump 17 extends into the box body 1, the conveying pipe 18 is fixedly mounted on the T-shaped plate 2, the conveying pipe 18 is communicated with an outlet of the water pump 17, the four spraying pipes 19 are respectively and fixedly mounted at the bottom of the conveying pipe 18, the four spraying pipes 19 are communicated with the conveying pipe 18, the four spraying pipes 19 extend into the treatment box 8, and are convenient for separating fine solid matters in waste gas through the spraying mechanism, the waste gas is better discharged, so as to avoid environmental pollution.
The bottom fixed mounting of wastewater disposal basin 7 has the drain pipe, the drain pipe with wastewater disposal basin 7 is linked together, the drain pipe extends to outside the box 1, be provided with the control valve on the drain pipe, be convenient for discharge used water in the wastewater disposal basin 7 through the drain pipe.
Two fixed blocks are fixedly mounted on the inner wall of the top of the box body 1, the two fixed blocks are fixedly connected with the top of the conveying pipe 18, and the conveying pipe 18 is fixed conveniently through the two fixed blocks.
The hinged door is installed to one side of box 1, be provided with the block rubber on the hinged door, the block rubber with one side of collecting frame 6 contacts, is convenient for take out collecting frame 6 through the hinged door.
One side fixed mounting of collection frame 6 has the locating piece, the locating piece with one side of T shaped plate 2 contacts, the bottom fixed mounting of collection frame 6 has four gyro wheels, is convenient for laborsaving removal to collection frame 6 through four gyro wheels of collecting frame 6 bottom to avoid the aversion of collecting frame 6 through the locating piece.
Fixed cover is equipped with the cleaning rod in the axis of rotation 10, be provided with a plurality of brushes on the cleaning rod, a plurality of brushes all contact with wastewater disposal basin 7's bottom inner wall, are convenient for carry out the turbidity to the solid matter that wastewater disposal basin 7 bottoms subsides through a plurality of brushes on the cleaning rod, are convenient for discharge of drain pipe.
The utility model provides a city ecological environment protection device's theory of operation as follows:
firstly, waste gas is conveyed into a filter box 3 through a waste gas pipe, the waste gas is blown onto a filter plate 4, solid matters such as dust in the waste gas are filtered by the filter plate 4, then the filtered gas enters an installation box 14 from a guide pipe 13, peculiar smell in the waste gas is adsorbed through two activated carbon plates 15, the adsorbed gas enters a treatment box 8 through the guide pipe 13, separation of the solid matters such as large dust in the waste gas is facilitated through the filter plate 4 in the filter box 3, and influence on the subsequent activated carbon plates 15 is avoided;
the water pump 17 is started, the water pump 17 pumps water in the water tank 16, the water is conveyed into the conveying pipe 18 through the water outlet and is sprayed out through the four spray pipes 19, waste gas in the treatment tank 8 is sprayed by the water, fine solid matters are sprayed in the waste water tank 7 below, the treated waste gas is slowly discharged through the exhaust pipe 20, the fine solid matters in the waste gas are conveniently separated through the spraying mechanism, and the waste gas is better discharged to avoid environmental pollution;
finally starter motor 9, motor 9 drives belt pulley 11 and rotates, belt pulley 11 passes through belt 12 and drives another belt pulley 11 and rotate, and it rotates to drive axis of rotation 10, axis of rotation 10 drives the rotation of cleaning rod, thereby waste water accessible drain pipe in the wastewater disposal basin 7 discharges, filterable solid state thing falls in blanking pipe 5 on the filter 4, and fall in collecting frame 6 through blanking pipe 5, can open the solid state thing of articulated door collection in collecting frame 6 at last, be favorable to carrying out the muddy to the solid state thing of the sediment in the wastewater disposal basin 7 through clearance mechanism, avoid solidifying and lead to causing the pipe blockage when the drainage in the wastewater disposal basin 7 bottom, the pipeline clearance of follow-up manual work to the jam has been reduced, the labour has been reduced for convenience, use labour saving and time saving.
Compared with the prior art, the utility model provides a city ecological environment protection device has following beneficial effect:
the utility model provides an urban ecological environment protection device, be convenient for through T shaped plate 2 to the installation and the support of rose box 3, filter 4 through the rose box 3 is convenient for separate the great solid-state thing in the waste gas, avoid causing the influence to subsequent activated carbon plate 15, collection frame 6 is convenient for collect the great solid-state thing of filtration, processing case 8 is convenient for separate the processing to tiny solid-state thing in the waste gas, avoid the waste gas diffusion influence to separate, pipe 13 is convenient for carry waste gas, installation case 14 is convenient for install two activated carbon plates 15, two activated carbon plates 15 are convenient for adsorb the smell in the waste gas, blast pipe 20 is convenient for discharge the good waste gas of processing;
the cleaning mechanism is favorable for turbidity of precipitated solid matters in the wastewater tank 7, pipeline blockage caused by water drainage due to solidification at the bottom of the wastewater tank 7 is avoided, subsequent manual cleaning of the blocked pipeline is reduced, labor force is reduced conveniently, time and labor are saved in use, fine solid matters in waste gas are separated conveniently through the spraying mechanism, waste gas is discharged better to avoid environmental pollution, used water in the wastewater tank 7 is discharged conveniently through the water discharge pipe, the conveying pipe 18 is fixed conveniently through the two fixing blocks, the collecting frame 6 is taken out conveniently through the hinged door, four rollers at the bottom of the collecting frame 6 are convenient for labor-saving movement of the collecting frame 6, the positioning block is used for avoiding displacement of the collecting frame 6, and turbidity of the precipitated solid matters at the bottom of the wastewater tank 7 is facilitated through the plurality of brushes on the cleaning rod, the drainage of the drainage pipe is convenient.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. An urban ecological environment protection device, comprising:
a box body;
the T-shaped plate is fixedly arranged in the box body;
the filter box is fixedly arranged on the T-shaped plate, a supporting plate is fixedly arranged on the inner wall of the bottom of the filter box, and the top of the filter box is communicated with an exhaust gas pipe;
the filter plate is fixedly arranged on the inner wall of one side of the filter box and is fixedly connected with the support plate;
the blanking pipe is fixedly arranged on the T-shaped plate and communicated with the inside of the filter box;
the collecting frame is arranged on the inner wall of the bottom of the box body and is positioned below the blanking pipe;
the cleaning mechanism is arranged in the box body;
the treatment box is arranged on the treatment mechanism, and a connecting hole is formed in the bottom of the treatment box;
the guide pipe is fixedly arranged on one side of the filter box, is communicated with the interior of the filter box, and is communicated with the interior of the treatment box;
the mounting box is fixedly mounted on one side of the T-shaped plate;
the two activated carbon plates are fixedly arranged in the installation box;
the spraying mechanism is arranged on one side of the box body;
the exhaust pipe is fixedly arranged on the box body.
2. The urban ecological environment protection device according to claim 1, wherein the cleaning mechanism comprises a wastewater pond, a motor, a rotating shaft, belt pulleys and a belt, the wastewater pond is fixedly mounted on the inner wall of the bottom of the box body, the top of the wastewater pond is fixedly connected with the bottom of the treatment box, the wastewater pond is communicated with the exhaust pipe, the inner wall of the bottom of the wastewater pond is arc-shaped, the motor is fixedly mounted on the inner wall of the bottom of the box body, the rotating shaft is rotatably mounted on two sides of the wastewater pond, the two belt pulleys are respectively fixedly sleeved on the rotating shaft and the output shaft of the motor, and the belt is wound on the two belt pulleys.
3. The urban ecological environment protection device according to claim 1, wherein the spraying mechanism comprises a water tank, a water pump, a delivery pipe and four spray pipes, the water tank is fixedly arranged at one side of the box body, a water adding pipe is fixedly arranged at one side of the water tank, the water feeding pipe is communicated with the water tank, the water pump is fixedly arranged at the top of the water tank, the water inlet of the water pump extends into the water tank, the water inlet of the water pump is fixedly connected with the water tank, the water outlet of the water pump extends into the box body, the delivery pipe is fixedly arranged on the T-shaped plate, the conveyer pipe with the export of water pump is linked together, four spray tube fixed mounting respectively is in the bottom of conveyer pipe, four the spray tube all with the conveyer pipe is linked together, four the spray tube all extends to handle the incasement.
4. The urban ecological environment protection device according to claim 2, wherein a drain pipe is fixedly mounted at the bottom of the wastewater tank, the drain pipe is communicated with the wastewater tank, the drain pipe extends out of the tank body, and a control valve is arranged on the drain pipe.
5. The urban ecological environment protection device according to claim 3, wherein two fixing blocks are fixedly mounted on the inner wall of the top of the box body, and the two fixing blocks are fixedly connected with the top of the conveying pipe.
6. The urban ecological environment protection device according to claim 1, wherein a hinged door is installed at one side of the box body, a rubber block is arranged on the hinged door, and the rubber block is in contact with one side of the collection frame.
7. The urban ecological environment protection device according to claim 1, wherein a positioning block is fixedly mounted on one side of the collection frame, the positioning block is in contact with one side of the T-shaped plate, and four rollers are fixedly mounted at the bottom of the collection frame.
8. The urban ecological environment protection device according to claim 2, wherein a cleaning rod is fixedly sleeved on the rotating shaft, and a plurality of brushes are arranged on the cleaning rod and are in contact with the inner wall of the bottom of the wastewater tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717556.8U CN215027321U (en) | 2021-04-08 | 2021-04-08 | Urban ecological environment protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717556.8U CN215027321U (en) | 2021-04-08 | 2021-04-08 | Urban ecological environment protection device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215027321U true CN215027321U (en) | 2021-12-07 |
Family
ID=79147993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120717556.8U Expired - Fee Related CN215027321U (en) | 2021-04-08 | 2021-04-08 | Urban ecological environment protection device |
Country Status (1)
Country | Link |
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CN (1) | CN215027321U (en) |
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2021
- 2021-04-08 CN CN202120717556.8U patent/CN215027321U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
|
CF01 | Termination of patent right due to non-payment of annual fee |