CN221028069U - Sludge dewatering device for environmental protection engineering - Google Patents
Sludge dewatering device for environmental protection engineering Download PDFInfo
- Publication number
- CN221028069U CN221028069U CN202322563907.6U CN202322563907U CN221028069U CN 221028069 U CN221028069 U CN 221028069U CN 202322563907 U CN202322563907 U CN 202322563907U CN 221028069 U CN221028069 U CN 221028069U
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- Prior art keywords
- pipe
- outer side
- wall
- sludge
- shell
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- 239000010802 sludge Substances 0.000 title claims abstract description 66
- 230000007613 environmental effect Effects 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 230000018044 dehydration Effects 0.000 claims abstract description 19
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 54
- 238000007599 discharging Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 208000005156 Dehydration Diseases 0.000 abstract description 15
- 239000012466 permeate Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Centrifugal Separators (AREA)
Abstract
The utility model discloses a sludge dewatering device for environmental protection engineering, which relates to the technical field of environmental protection. According to the utility model, the rolling pipe is contacted with the surface of the sludge when rotating, and the sludge is repeatedly arranged between the dehydrator shell and the rolling pipe when rolling the sludge due to the rotation of the rolling pipe, so that the sludge is contacted with the filter screen, and the moisture contained in the sludge permeates out of the filter screen, so that the secondary dehydration of the sludge is realized.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a sludge dewatering device for environmental protection engineering.
Background
The sludge dewatering machine is continuously operated sludge treatment equipment, and is popular because of the characteristics of low water content of discharged sludge, stable operation, low energy consumption, relatively simple control and management, convenient maintenance and the like.
According to the published patent publication No. CN 215562293U: an environmental protection dredging device for urban road engineering, points out: the bottom plate, the bottom of bottom plate is equipped with gyro wheel and the universal wheel that the symmetry set up, the top of bottom plate is equipped with mud storage tank, storage water tank and pushing handle, all be equipped with the discharge gate on the lateral wall of mud storage tank and storage water tank, the top of storage water tank is equipped with the water inlet, the top of mud storage tank is equipped with the screw extrusion hydroextractor with the mud storage tank intercommunication, the input intercommunication of screw extrusion hydroextractor is equipped with the sludge pump, the input intercommunication of sludge pump is equipped with the catch tray, the liquid material output of screw extrusion hydroextractor is linked together with the storage water tank, be equipped with the high-pressure pump on the storage water tank, the output intercommunication of high-pressure pump is equipped with the shower nozzle, be equipped with the controller on the bottom plate. The utility model has the advantages that: high efficiency, high speed and small labor intensity of workers, and can thoroughly clean the sludge on the road.
However, the utility model has the following problems in actual use: however, the utility model only dehydrates the sludge once, so that the dehydrated sludge still has certain moisture which is not dehydrated, the sludge needs to be dehydrated, and the water in the sludge is separated, so that the sludge is incompletely dehydrated, and water resource is wasted.
Disclosure of utility model
The utility model provides a sludge dewatering device for environmental protection engineering, which has the advantage of secondary dewatering, and aims to solve the problems that the sludge can only be dewatered once, so that the dewatered sludge still has certain moisture which is not dewatered, the sludge needs to be dewatered, water in the sludge is separated, the sludge is not dewatered completely, and water resources are wasted.
In order to achieve the aim of secondary dehydration, the utility model provides the following technical scheme: the utility model provides a sludge dewatering device for environmental protection engineering, includes hydroextractor shell and pan feeding box that is used for carrying out the dehydration to mud, the pan feeding box is installed in one side surface of hydroextractor shell, the bottom surface mounting of hydroextractor shell has the foot rest, the bottom surface mounting of hydroextractor shell has the discharging pipe, the outside surface mounting of discharging pipe has first bearing, the outside surface mounting of first bearing has rotatory lid, the bottom surface mounting of rotatory lid has the section, the outside surface mounting of rotatory lid has a plurality of latch, the bottom surface mounting of hydroextractor shell has the swivelling tube, the worm is installed to the inner wall of swivelling tube, the apopore has been seted up to the bottom surface of hydroextractor shell, the filter screen is installed to the inner wall of hydroextractor shell, one side surface mounting of hydroextractor shell has the dehydration subassembly, one side surface mounting of hydroextractor shell has power component.
As a preferable technical scheme of the utility model, the interior of the feeding box is communicated with the interior of the dehydrator shell, the inner wall of the discharging pipe is communicated with the interior of the dehydrator shell, the inner wall of the first bearing is fixedly connected with the outer side surface of the discharging pipe, and the three slices are uniformly arranged on the bottom end surface of the rotary cover in an annular array.
As a preferable technical scheme of the utility model, a plurality of latches are uniformly arranged on the outer side surface of the rotary cover in an annular array, the worm is movably and rotatably arranged on the inner wall of the rotary pipe, and one end of the worm is meshed with the latches.
As a preferred technical scheme of the utility model: the dewatering assembly comprises a second bearing, the second bearing is arranged on the inner wall of the dewatering machine shell, a dewatering pipe is arranged on the inner wall of the second bearing, a conveying pipe is arranged on one side surface of the dewatering pipe, a spiral groove is formed in the outer side surface of the conveying pipe, a plurality of throwing holes are formed in the outer side surface of the conveying pipe, a rolling pipe is arranged on one side surface of the conveying pipe, and a transmission rod is arranged on one side surface of the rolling pipe.
As a preferable technical scheme of the utility model, the outer side surface of the second bearing is fixedly connected with the inner wall of the dehydrator shell, the inner wall of the second bearing is movably and rotatably connected with the outer side surface of the dehydration pipe, a plurality of penetrating holes are uniformly distributed on the outer side surface of the dehydration pipe, a plurality of throwing holes are uniformly formed on the outer side surface of the conveying pipe in a spiral array, and one end of the transmission rod is movably and rotatably extended to the outer side of the transmission rod from the inner wall of the dehydrator shell.
As a preferable technical scheme of the utility model, the power assembly comprises a motor, a transmission shaft is arranged on one side surface of the motor, a fixed disc is arranged on one side surface of the transmission shaft, a transmission crawler belt is arranged on the outer side surface of the fixed disc, and the motor is arranged on one side surface of a dehydrator shell.
As a preferable technical scheme of the utility model, one end of the transmission shaft is fixedly connected with the output end of the motor, the inner wall of the transmission track is movably contacted with the outer side surface of the fixed disc, the outer side surface of the transmission track is movably contacted with the outer side surface of the worm, and the inner wall of the transmission track is movably contacted with the outer side surface of the transmission rod.
Compared with the prior art, the utility model provides the sludge dewatering device for the environmental protection engineering, which has the following beneficial effects:
1. This sludge dewatering device for environmental protection engineering, mud can get into the inner wall of hydroextractor shell along the pan feeding box to finally fall the inner wall at the dewatering pipe, because the dewatering pipe is in rotatory state this moment, so mud can follow the dewatering pipe and rotate because of centrifugal force, the moisture that holds in the mud can be got rid of the inner wall of hydroextractor shell because of centrifugal force this moment, the water that is thrown out finally falls, and flows into the apopore, and discharges the sewage that breaks away from and go out, realizes the effect of separation.
2. This sludge dewatering device for environmental protection engineering can contact with the surface of mud when rolling the pipe rotation to because roll the pipe rotation and can roll mud when mud repeatedly and make between mud and the filter screen contact each other between hydroextractor shell and rolling the pipe, and make the moisture that holds in the mud permeate out from the filter screen, realize the secondary dehydration to mud.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic view of another angular outer structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is a schematic view of another angular internal structure of the present utility model;
fig. 5 is an enlarged schematic view of the structure of the portion a in fig. 3 according to the present utility model.
In the figure: 1. a dehydrator housing; 2. feeding boxes; 3. a foot rest; 4. a discharge pipe; 5. a first bearing; 6. a rotary cover; 7. slicing; 8. latch teeth; 9. a rotating tube; 10. a worm; 11. a second bearing; 12. a dewatering pipe; 13. a delivery tube; 14. a spiral groove; 15. throwing out the hole; 16. rolling the tube; 17. a transmission rod; 18. a motor; 19. a transmission shaft; 20. a fixed plate; 21. a drive track; 22. a water outlet hole; 23. and (5) a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model discloses a sludge dewatering device for environmental protection engineering, which comprises a dewatering machine shell 1 and a feeding box 2, wherein the dewatering machine shell 1 is used for dewatering sludge, the feeding box 2 is arranged on one side surface of the dewatering machine shell 1, a foot rest 3 is arranged on the bottom end surface of the dewatering machine shell 1, a discharging pipe 4 is arranged on the bottom end surface of the dewatering machine shell 1, a first bearing 5 is arranged on the outer side surface of the discharging pipe 4, a rotary cover 6 is arranged on the outer side surface of the first bearing 5, a slice 7 is arranged on the bottom end surface of the rotary cover 6, a plurality of clamping teeth 8 are arranged on the outer side surface of the rotary cover 6, a rotary pipe 9 is arranged on the bottom end surface of the dewatering machine shell 1, a worm 10 is arranged on the inner wall of the rotary pipe 9, a water outlet 22 is arranged on the bottom end surface of the dewatering machine shell 1, a filter screen 23 is arranged on the inner wall of the dewatering machine shell 1, a dewatering component is arranged on one side surface of the dewatering machine shell 1, and a power component is arranged on one side surface of the dewatering machine shell 1.
Specifically, the inside of pan feeding box 2 communicates with the inside of hydroextractor shell 1 each other, and the inner wall of discharging pipe 4 communicates with the inside of hydroextractor shell 1 each other, and the inner wall of first bearing 5 is connected with the outside surface fixed of discharging pipe 4, and section 7 is the even bottom surface of installing at rotatory lid 6 of three being annular array.
Further, the plurality of latches 8 are evenly arranged on the outer side surface of the rotary cover 6 in an annular array, the worm 10 is movably and rotatably arranged on the inner wall of the rotary pipe 9, one end of the worm 10 is meshed with the latches 8, the worm 10 is driven to rotate when the transmission crawler 21 moves, at the moment, the worm 10 can rotate on the inner wall of the rotary pipe 9, and because the worm 10 is meshed with the latches 8, the rotary cover 6 is driven to rotate when the worm 10 rotates.
Further, the dehydration module includes a second bearing 11, the second bearing 11 is installed at the inner wall of the dehydrator shell 1, a dehydration pipe 12 is installed at the inner wall of the second bearing 11, a conveying pipe 13 is installed on one side surface of the dehydration pipe 12, a spiral groove 14 is formed in the outer side surface of the conveying pipe 13, a plurality of throwing holes 15 are formed in the outer side surface of the conveying pipe 13, a rolling pipe 16 is installed on one side surface of the conveying pipe 13, a transmission rod 17 is installed on one side surface of the rolling pipe 16, when sludge is dehydrated, the sludge can move at the inner wall of the dehydration pipe 12 and is moved into the conveying pipe 13 through the dehydration pipe 12, and a plurality of throwing holes 15 are formed in the outer surface of the conveying pipe 13, so that the conveying pipe 13 throws out the dehydrated sludge from the throwing holes 15 during rotation.
Further, the outer side surface of the second bearing 11 is fixedly connected with the inner wall of the dehydrator casing 1, the inner wall of the second bearing 11 is movably and rotatably connected with the outer side surface of the dewatering pipe 12, a plurality of penetrating holes are uniformly distributed on the outer side surface of the dewatering pipe 12, a plurality of throwing holes 15 are uniformly formed on the outer side surface of the conveying pipe 13 in a spiral array, one end of the transmission rod 17 is movably and rotatably extended from the inner wall of the dehydrator casing 1 to the outer side surface of the dehydrator casing because the spiral groove 14 is arranged on the outgoing surface of the conveying pipe 13, when the conveying pipe 13 rotates, the spiral groove 14 can rotate along with the conveying pipe 13, the sludge on the outgoing surface of the conveying pipe 13 is pushed forward, the sludge can be contacted with the outer side surface of the rolling pipe 16 when the rolling pipe 16 rotates, and because the rotation of the rolling pipe 16 can repeatedly contact the sludge between the dehydrator casing 1 and the rolling pipe 16, the sludge and the filter screen 23 mutually, and moisture contained in the sludge can permeate from the filter screen 23.
Further, the power component comprises a motor 18, a transmission shaft 19 is installed on one side surface of the motor 18, a fixed disc 20 is installed on one side surface of the transmission shaft 19, a transmission crawler 21 is installed on the outer side surface of the fixed disc 20, the motor 18 is installed on one side surface of the dehydrator casing 1, the transmission shaft 19 installed at the output end of the motor 18 is driven to rotate when the motor 18 is started, and the fixed disc 20 is installed on the outer side surface of the transmission shaft 19, so that the transmission crawler 21 in movable contact in the fixed disc 20 moves when the transmission shaft 19 rotates.
Further, one end of the transmission shaft 19 is fixedly connected with the output end of the motor 18, the inner wall of the transmission track 21 is movably contacted with the outer side surface of the fixed disc 20, the outer side surface of the transmission track 21 is movably contacted with the outer side surface of the worm 10, the inner wall of the transmission track 21 is movably contacted with the outer side surface of the transmission rod 17, when the transmission shaft 19 rotates, the transmission track 21 movably contacted in the fixed disc 20 moves, and when the transmission track 21 moves due to the driving of the transmission shaft 19, the transmission rod 17 and the worm 10 which are movably contacted in the transmission track are driven to rotate.
The working principle and the using flow of the utility model are as follows: when the sludge dewatering device for environmental engineering needs to be used, the output end of the sludge is connected with the feeding box 2, and the motor 18 is started, the transmission shaft 19 installed at the output end of the motor 18 is driven to rotate when the motor 18 is started, the fixed disc 20 is installed on the outer side surface of the transmission shaft 19, so that the movable contact transmission crawler 21 in the fixed disc 20 moves when the transmission shaft 19 rotates, when the transmission crawler 21 moves due to the driving of the transmission shaft 19, the transmission rod 17 and the worm 10 which are in movable contact inside the transmission crawler 21 are driven to rotate, when the transmission rod 17 rotates, the rolling rod on one side surface of the transmission rod is driven to rotate, the rolling pipe 16, the conveying pipe 13 and the dewatering pipe 12 are fixedly connected, the conveying pipe 13 and the dewatering pipe 12 are driven to rotate together when the rolling pipe 16 rotates, the dewatering pipe 12 is enabled to rotate stably due to the fact that the outer side surface of the dewatering pipe 12 is fixedly provided with the second bearing 11, when the sludge is poured into the feeding box 2, the sludge enters the inner wall of the dewatering box 1 along with the feeding box 2, and finally falls into the inner wall of the dewatering pipe 12 due to the fact that the centrifugal force is removed, and the centrifugal force is discharged out of the dewatering pipe 12 due to the fact that the centrifugal force is in the dewatering pipe 12 is in a state, and the dewatering pipe is rotated, and the sewage is discharged out of the dewatering pipe is separated.
When the sludge is dehydrated, the sludge moves on the inner wall of the dehydration pipe 12 and moves into the conveying pipe 13 from the dehydration pipe 12, because the outer surface of the conveying pipe 13 is provided with a plurality of throwing holes 15, the dehydrated sludge is thrown out from the throwing holes 15 when the conveying pipe 13 rotates, the sludge comes to the outer side surface of the conveying pipe 13, and because the spiral groove 14 is arranged on the outgoing surface of the conveying pipe 13, the spiral groove 14 rotates along with the conveying pipe 13 when the conveying pipe 13 rotates, the sludge on the outgoing surface of the conveying pipe 13 is pushed forward to move to the outer side surface of the rolling pipe 16, the sludge is contacted with the surface of the sludge when the rolling pipe 16 rotates, and the sludge is repeatedly arranged between the dehydrator shell 1 and the rolling pipe 16 and is mutually contacted with the filter screen 23 when the rolling pipe 16 rotates, the water contained in the sludge permeates out of the filter screen 23 to realize secondary dehydration of the sludge, the sludge is driven to move when the rolling pipe 16 continues to rotate, the sludge falls out of the discharge pipe 4 when moving to the upper side of the discharge pipe 4, the worm 10 is driven to rotate when the transmission crawler 21 moves because the motor 18 is still working, the worm 10 rotates on the inner wall of the rotary pipe 9, the worm 10 and the clamping teeth 8 are meshed mutually, the rotary cover 6 is driven to rotate when the worm 10 rotates, the rotary cover 6 rotates on the outer side surface of the discharge pipe 4 because the inner wall of the rotary cover 6 is fixed by the first bearing 5, the rotary cover 6 rotates on the outer side surface of the rotary cover 6 because the bottom end surface of the rotary cover 6 is provided with the slice 7, the rotary slice 7 can cut the whole sludge into small blocks, so that the sludge is convenient to transport.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a sludge dewatering device for environmental protection engineering, includes hydroextractor shell (1) and pan feeding box (2) that are used for carrying out the dehydration to mud, pan feeding box (2) are installed at one side surface of hydroextractor shell (1), its characterized in that: the utility model provides a dewatering machine, including dewatering machine shell (1), foot rest (3) are installed to the bottom surface mounting of dewatering machine shell (1), discharging pipe (4) are installed to the bottom surface mounting of dewatering machine shell (1), first bearing (5) are installed to the outside surface mounting of discharging pipe (4), the outside surface mounting of first bearing (5) has spin-on lid (6), the bottom surface mounting of spin-on lid (6) has section (7), the outside surface mounting of spin-on lid (6) has a plurality of latch (8), the bottom surface mounting of dewatering machine shell (1) has spin-on tube (9), worm (10) are installed to the inner wall of spin-on tube (9), apopore (22) have been seted up to the bottom surface of dewatering machine shell (1), filter screen (23) are installed to the inner wall of dewatering machine shell (1), one side surface mounting of dewatering machine shell (1) has the dehydration subassembly, one side surface mounting of dewatering machine shell (1) has power pack.
2. The sludge dewatering device for environmental engineering according to claim 1, wherein: the inside of pan feeding box (2) communicates with the inside of hydroextractor shell (1) each other, the inner wall of discharging pipe (4) communicates with the inside of hydroextractor shell (1) each other, the inner wall of first bearing (5) is connected with the outside surface fixed of discharging pipe (4), section (7) are three and are the even bottom surface of installing at rotatory lid (6) of annular array.
3. The sludge dewatering device for environmental engineering according to claim 1, wherein: the plurality of latches (8) are uniformly arranged on the outer side surface of the rotary cover (6) in an annular array, the worm (10) is movably and rotatably arranged on the inner wall of the rotary pipe (9), and one end of the worm (10) is meshed with the latches (8).
4. The sludge dewatering device for environmental engineering according to claim 1, wherein: the dewatering assembly comprises a second bearing (11), the second bearing (11) is arranged on the inner wall of the dewatering machine shell (1), a dewatering pipe (12) is arranged on the inner wall of the second bearing (11), a conveying pipe (13) is arranged on one side surface of the dewatering pipe (12), a spiral groove (14) is formed in the outer side surface of the conveying pipe (13), a plurality of throwing holes (15) are formed in the outer side surface of the conveying pipe (13), a rolling pipe (16) is arranged on one side surface of the conveying pipe (13), and a transmission rod (17) is arranged on one side surface of the rolling pipe (16).
5. The sludge dewatering device for environmental protection engineering according to claim 4, wherein: the outer side surface of the second bearing (11) is fixedly connected with the inner wall of the dehydrator shell (1), the inner wall of the second bearing (11) is movably and rotatably connected with the outer side surface of the dehydration pipe (12), a plurality of penetrating holes are uniformly distributed on the outer side surface of the dehydration pipe (12), a plurality of throwing holes (15) are uniformly formed in the outer side surface of the conveying pipe (13) in a spiral array, and one end of the transmission rod (17) is movably and rotatably extended to the outer side of the inner wall of the dehydrator shell (1).
6. The sludge dewatering device for environmental engineering according to claim 1, wherein: the power assembly comprises a motor (18), a transmission shaft (19) is arranged on one side surface of the motor (18), a fixed disc (20) is arranged on one side surface of the transmission shaft (19), a transmission crawler belt (21) is arranged on the outer side surface of the fixed disc (20), and the motor (18) is arranged on one side surface of a dehydrator shell (1).
7. The sludge dewatering device for environmental protection engineering according to claim 6, wherein: one end of the transmission shaft (19) is fixedly connected with the output end of the motor (18), the inner wall of the transmission track (21) is in movable contact with the outer side surface of the fixed disc (20), the outer side surface of the transmission track (21) is in movable contact with the outer side surface of the worm (10), and the inner wall of the transmission track (21) is in movable contact with the outer side surface of the transmission rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563907.6U CN221028069U (en) | 2023-09-21 | 2023-09-21 | Sludge dewatering device for environmental protection engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563907.6U CN221028069U (en) | 2023-09-21 | 2023-09-21 | Sludge dewatering device for environmental protection engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028069U true CN221028069U (en) | 2024-05-28 |
Family
ID=91140631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322563907.6U Active CN221028069U (en) | 2023-09-21 | 2023-09-21 | Sludge dewatering device for environmental protection engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028069U (en) |
-
2023
- 2023-09-21 CN CN202322563907.6U patent/CN221028069U/en active Active
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