CN216236110U - Sludge discharge device for sewage treatment with high treatment efficiency - Google Patents
Sludge discharge device for sewage treatment with high treatment efficiency Download PDFInfo
- Publication number
- CN216236110U CN216236110U CN202123081232.9U CN202123081232U CN216236110U CN 216236110 U CN216236110 U CN 216236110U CN 202123081232 U CN202123081232 U CN 202123081232U CN 216236110 U CN216236110 U CN 216236110U
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- plate
- threaded rod
- device body
- mud
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 54
- 239000010802 sludge Substances 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a sludge discharge device with high treatment efficiency for sewage treatment, which comprises a device body, wherein a treatment box is arranged at the bottom end of the device body; the mud cleaning plate, the mud guard and the limiting plate which are matched with each other are sleeved on the outer side of the threaded rod, and the bottom end of the threaded rod is connected with a guide shaft; the middle part cover of guiding axle is equipped with the closing plate, and the bottom of guiding axle is provided with the baffle through locking bolt is fixed, is provided with first spring between the top of baffle and the bottom of closing plate. The mud cleaning plate is arranged, the threaded rod can be driven to move up and down, so that the purpose of effectively cleaning the inner wall of the device body is achieved, and the mud guard matched with the mud cleaning plate is arranged, so that the device body can be sealed, and water leakage is prevented.
Description
Technical Field
The utility model relates to the technical field of water treatment auxiliary devices, in particular to a sludge discharge device for sewage treatment with high treatment efficiency.
Background
With the shortage of fresh water resources, the problem of water pollution caused by a large industrial sound field is increasingly serious. Therefore, sewage treatment is concerned by more and more people, the existing sewage treatment modes comprise a physical precipitation method, a chemical precipitation method, a biodegradation method and the like, but no matter which mode is adopted for sewage treatment, a large amount of sludge can be accumulated at the bottom of the sewage treatment device after a period of time in the sewage treatment process, and in order to ensure the normal and effective operation of sewage treatment, a user often needs to clean the sludge in the sewage treatment device.
Wherein, patent number CN210885354U discloses a sewage treatment arranges mud device, this patent is through setting up the shielding dish in the bottom of device body, and utilize the lead screw to drive its lift, thereby realized discharging accumulational mud, and utilize the sewage treatment case to clear up, but this patent need shut down the device body and empty its inside water when in-service use, otherwise unnecessary water can get into in the sewage treatment case, thereby the waste of water resource also is caused in the not convenient to mud clearance, in addition in the in-service use process, mud accumulation also can appear in the inner wall of device body, nevertheless this patent can't carry out effectual clearance to the inner wall of device body.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the sludge discharge device for sewage treatment with high treatment efficiency, which has the advantages of cleaning sludge without stopping and draining and effectively cleaning the inner wall of the device, thereby solving the problems of water resource waste and poor cleaning effect caused by low working efficiency of the existing sludge discharge device.
(II) technical scheme
In order to realize the advantages of cleaning sludge without stopping and draining and effectively cleaning the inner wall of the device, the utility model adopts the following specific technical scheme:
a sludge discharge device with high treatment efficiency for sewage treatment comprises a device body, wherein a sewage inlet and a sewage outlet are respectively arranged on two sides of the top of the device body, a treatment box is arranged at the bottom end of the device body, a sealing cover is fixedly arranged at the top end of the device body, a motor is vertically arranged in the middle of the top end of the sealing cover, and a threaded rod is connected and arranged at the output end of the motor; the threaded rod extends to the inner bottom of the device body, a mud cleaning plate, a mud guard and a limiting plate which are matched with each other are sequentially sleeved on the outer side of the threaded rod from top to bottom, and a guide shaft is connected and arranged at the bottom end of the threaded rod; the middle part cover of guiding axle is equipped with the closing plate, and the bottom of guiding axle is provided with the baffle through locking bolt is fixed, and the outside that just is located the guiding axle between the top of baffle and the bottom of closing plate is provided with first spring, and the middle part of sealed lid just is located the outside of threaded rod from last to having set gradually the joint down and having set up sealing washer and bearing.
Furthermore, in order to prevent the mud cleaning plate and the mud guard from rotating, two groups of limiting strips are vertically and symmetrically arranged on the inner wall of the device body; the bottom of spacing strip and the top fixed connection of limiting plate, and two sets of spacing strips and sewage import and sewage export are dislocation set.
Furthermore, in order to clean the inner wall of the device body, the mud cleaning plate comprises a scraping plate tightly attached to the inner wall of the device body and a first sliding block sleeved on the outer side of the threaded rod, and two groups of limiting grooves matched with the limiting strips are symmetrically formed in the outer side of the scraping plate; the first fan-shaped plates are arranged between the scraper and the first sliding block at equal intervals, a filter screen is arranged between the two groups of first fan-shaped plates which are close to each other, and the middle part of the first sliding block is provided with an internal thread hole matched with the threaded rod.
Furthermore, in order to realize the sealing fit between the mud cleaning plate and the mud guard, the mud guard comprises a second sliding block sleeved outside the threaded rod, and a plurality of second fan-shaped plates are equidistantly arranged outside the circumference of the second sliding block; the middle part of the second sliding block is provided with a through hole matched with the threaded rod, the second fan-shaped plate is aligned with the filter screen up and down, the shape and the size of the second fan-shaped plate are the same as those of the filter screen, the outer side of the second fan-shaped plate is provided with a limiting groove matched with the limiting strip, and a plurality of second springs are arranged between the second fan-shaped plate and the limiting plate.
Furthermore, in order to prevent the leakage of sewage, an O-shaped ring is clamped on the outer side of the circumference of the sealing plate and tightly attached to the inner wall of the device body.
Further, for the convenience of collection and the clearance of mud, handle the inside of case and be located the device body and be provided with the collection vehicle under, one side of collection vehicle is provided with the handle.
(III) advantageous effects
Compared with the prior art, the utility model provides the sludge discharge device for sewage treatment with high treatment efficiency, and the sludge discharge device has the following beneficial effects:
(1) through setting up clear mud board, can realize utilizing the threaded rod to drive it and reciprocate to reach the purpose of effectively clearing up the device body inner wall, and through setting up and clear mud board complex fender, can guarantee to seal the device body, thereby prevent the leakage of water, wherein the closing plate can be opened downwards under the extrusion of mud, thereby realize discharging mud, and the closing plate can reset under the effect of first spring, thereby guarantee the leakproofness of device body.
(2) The leakage of sewage can be prevented by arranging the sealing cover, the motor is adopted to drive the threaded rod to rotate, labor can be saved, the control accuracy is improved, and compared with the prior art that the shielding disc is driven to lift by the lifting of the lead screw, the automatic control device is more convenient to operate.
(3) The sealing performance of the device body can be further ensured by arranging the sealing ring and the O-shaped ring, and the service life of the threaded rod can be prolonged and the smooth rotation of the threaded rod can be ensured by arranging the bearing; can prevent clear mud board and fender through setting up spacing and take place to rotate to guarantee clear mud job stabilization going on.
(4) Through setting up the collection vehicle, can realize collecting the mud of follow device body exhaust to utilize the handle to pull out the collection vehicle, thereby be convenient for the transportation and the clearance of mud.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an isometric view of a sludge discharge apparatus for sewage treatment with high treatment efficiency according to an embodiment of the present invention;
fig. 2 is one of sectional views of a sludge discharging apparatus for sewage treatment having high treatment efficiency according to an embodiment of the present invention;
FIG. 3 is a second sectional view of a sludge discharging apparatus for sewage treatment according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a sludge cleaning plate in the sludge discharging apparatus for sewage treatment, which has high treatment efficiency according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a mud guard in a sewage treatment sludge discharging apparatus having a high treatment efficiency according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a sealing plate in a sludge discharge apparatus for sewage treatment according to an embodiment of the present invention, which has high treatment efficiency.
In the figure:
1. a device body; 2. a sewage inlet; 3. a sewage outlet; 4. a treatment tank; 5. a sealing cover; 6. a motor; 7. a threaded rod; 8. cleaning a mud plate; 801. a squeegee; 802. a first slider; 803. a limiting groove; 804. a first sector plate; 805. a filter screen; 9. a fender; 901. a second slider; 902. a second sector plate; 10. a limiting plate; 11. a guide shaft; 12. a sealing plate; 13. locking the bolt; 14. a baffle plate; 15. a first spring; 16. a seal ring; 17. a bearing; 18. a limiting strip; 19. a second spring; 20. an O-shaped ring; 21. a collection vehicle; 22. and (4) a handle.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the utility model, the sludge discharge device for sewage treatment with high treatment efficiency is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-3, the sludge discharging device for sewage treatment with high treatment efficiency according to the embodiment of the utility model comprises a device body 1, a sewage inlet 2 and a sewage outlet 3 are respectively arranged on two sides of the top of the device body 1 (a filtering device is arranged inside the sewage outlet 3 during actual use), a treatment tank 4 is arranged at the bottom end of the device body 1, a sealing cover 5 is fixedly arranged at the top end of the device body 1, a motor 6 is vertically arranged in the middle of the top end of the sealing cover 5, and the output end of the motor 6 is connected with a threaded rod 7; the threaded rod 7 extends to the inner bottom of the device body 1, a mud cleaning plate 8, a mud guard 9 and a limiting plate 10 which are matched with each other are sequentially sleeved on the outer side of the threaded rod 7 from top to bottom, and a guide shaft 11 is connected to the bottom end of the threaded rod 7; the middle part cover of guiding axle 11 is equipped with closing plate 12, and the bottom of guiding axle 11 is provided with baffle 14 through locking bolt 13 is fixed, and the outside that just is located guiding axle 11 between the top of baffle 14 and the bottom of closing plate 12 is provided with first spring 15, and the outside that the middle part of sealed lid 5 just is located threaded rod 7 is from last to having set gradually the joint down and having sealing washer 16 and bearing 17.
By means of the technical scheme, the mud cleaning plate 8 is arranged, the threaded rod 7 can be driven to move up and down, so that the purpose of effectively cleaning the inner wall of the device body 1 is achieved, the mud guard 9 matched with the mud cleaning plate 8 is arranged, the device body 1 can be guaranteed to be sealed, water leakage is prevented, the sealing plate 12 can be opened downwards under the extrusion of sludge, so that the sludge is discharged, and the sealing plate 12 can be reset under the action of the first spring 15, so that the sealing performance of the device body 1 is guaranteed; the sealing cover 5 is arranged to prevent sewage leakage, the motor 6 is adopted to drive the threaded rod 7 to rotate, labor can be saved, control accuracy is improved, and compared with the prior art that the shielding plate is driven to lift by lifting of the lead screw, the automatic control device is more convenient to operate.
In one embodiment, two groups of limiting strips 18 are vertically and symmetrically arranged on the inner wall of the device body 1; the bottom of spacing 18 and the top fixed connection of limiting plate 10, and two sets of spacing 18 are dislocation set (the contained angle of spacing 18 and sewage inlet 2 and sewage outlet 3 is 90 degrees) with sewage inlet 2 and sewage outlet 3 to can prevent mud cleaning plate 8 and fender 9 from taking place to rotate.
In one embodiment, as shown in fig. 4-5, the mud-removing plate 8 includes a scraping plate 801 closely attached to the inner wall of the device body 1 and a first sliding block 802 sleeved on the outer side of the threaded rod 7, and two sets of limiting grooves 803 matched with the limiting strips 18 are symmetrically formed on the outer side of the scraping plate 801; a plurality of first fan-shaped plates 804 are arranged between the scraping plate 801 and the first sliding block 802 at equal intervals, a filter screen 805 is arranged between two groups of the first fan-shaped plates 804 which are close to each other, an internal thread hole matched with the threaded rod 7 is formed in the middle of the first sliding block 802, the mudguard 9 comprises a second sliding block 901 sleeved on the outer side of the threaded rod 7, and a plurality of second fan-shaped plates 902 are arranged on the outer side of the circumference of the second sliding block 901 at equal intervals; the middle part of the second slider 901 is provided with a through hole matched with the threaded rod 7, the second fan-shaped plate 902 is aligned with the filter screen 805 up and down, the shape and size of the second fan-shaped plate 902 are the same as those of the filter screen 805, the outer side of the second fan-shaped plate 902 is provided with a limiting groove 803 matched with the limiting strip 18, and a plurality of second springs 19 are arranged between the second fan-shaped plate 902 and the limiting plate 10.
The cooperation principle of mud cleaning plate 8 and mud guard 9 does: the starting motor 6 drives the threaded rod 7 to rotate, the threaded rod 7 drives the mud cleaning plate 8 to move downwards, the filter screen 805 is aligned with the second fan-shaped plate 902 up and down under the limiting of the limiting strip 18, and when the mud cleaning plate 8 continues to move downwards, the second fan-shaped plate 902 is clamped into a gap between the two groups of first fan-shaped plates 804 and forms a whole circle with the first fan-shaped plates 804, so that the sealing effect is achieved.
In one embodiment, as shown in fig. 6, an O-ring 20 is clamped on the outer side of the circumference of the sealing plate 12, and the O-ring 20 is tightly attached to the inner wall of the device body 1 (the section of the sealing plate 12 is a tapered structure, and the sealing plate 12 is in clearance fit with the guide shaft 11 in actual use), so that leakage of sewage can be prevented.
In one embodiment, a collection cart 21 is provided inside the treatment tank 4 and directly below the apparatus body 1, and a handle 22 is provided at one side of the collection cart 21, thereby facilitating collection and cleaning of sludge.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
When in actual application, motor 6 carries out just reversing under the control of external control ware, when needs clearance mud, starter motor 6, motor 6 drives threaded rod 7 and rotates, threaded rod 7 drives clear mud board 8 downstream, thereby utilize scraper blade 801 to clear up the inner wall of device body 1, and block mud through filter screen 805, when clear mud board 8 and fender 9 contact, a whole circle is constituteed to first sector-shaped board 804 and second sector-shaped board 902, thereby seal device body 1, clear mud board 8 continues downwards, mud extrusion closing plate 12 this moment, closing plate 12 compresses first spring 15 and opens and discharge mud, discharge back with motor 6 reversal after the mud, clear mud board 8 rises, closing plate 12 and fender 9 reset under first spring 15 and second spring 19's effect respectively.
In summary, according to the technical scheme of the utility model, the mud cleaning plate 8 is arranged, the threaded rod 7 can be driven to move up and down, so that the purpose of effectively cleaning the inner wall of the device body 1 is achieved, the mud guard 9 matched with the mud cleaning plate 8 is arranged, the device body 1 can be ensured to be sealed, so that water leakage is prevented, wherein the sealing plate 12 can be opened downwards under the extrusion of sludge, so that sludge is discharged, and the sealing plate 12 can be reset under the action of the first spring 15, so that the sealing performance of the device body 1 is ensured; the leakage of sewage can be prevented by arranging the sealing cover 5, and the threaded rod 7 is driven to rotate by adopting the motor 6, so that not only can the labor be saved, but also the control accuracy is improved, and compared with the prior art that the shielding disc is driven to lift by the lifting of a screw rod, the utility model has more convenient operation; the sealing performance of the device body 1 can be further ensured by arranging the sealing ring 16 and the O-shaped ring 20, and the service life of the threaded rod 7 can be prolonged and the smooth rotation of the threaded rod can be ensured by arranging the bearing 17; the mud cleaning plate 8 and the mud guard 9 can be prevented from rotating by arranging the limiting strip 18, so that the stable operation of mud cleaning is ensured; through setting up collection vehicle 21, can realize collecting the mud of discharging from device body 1 to utilize handle 22 to pull out collection vehicle 21, thereby be convenient for the transportation and the clearance of mud.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a sewage treatment is with arranging mud device that treatment effeciency is high, includes device body (1), the top both sides of the device body (1) are provided with sewage import (2) and outlet for sewer (3) respectively, and the bottom of the device body (1) is provided with treatment box (4), its characterized in that:
a sealing cover (5) is fixedly arranged at the top end of the device body (1), a motor (6) is vertically arranged in the middle of the top end of the sealing cover (5), and the output end of the motor (6) is connected with a threaded rod (7);
the threaded rod (7) extends to the inner bottom of the device body (1), a mud cleaning plate (8), a mud guard (9) and a limiting plate (10) which are matched with each other are sequentially sleeved on the outer side of the threaded rod (7) from top to bottom, and a guide shaft (11) is connected and arranged at the bottom end of the threaded rod (7);
the middle part cover of guiding axle (11) is equipped with closing plate (12), the bottom of guiding axle (11) is provided with baffle (14) through locking bolt (13) is fixed, the top of baffle (14) with between the bottom of closing plate (12) and be located the outside of guiding axle (11) is provided with first spring (15).
2. The sludge discharge device for sewage treatment with high treatment efficiency according to claim 1, wherein the middle part of the sealing cover (5) is provided with a sealing ring (16) and a bearing (17) which are sequentially clamped from top to bottom on the outer side of the threaded rod (7).
3. The sludge discharge device for sewage treatment with high treatment efficiency according to claim 1 or 2, wherein two groups of limiting strips (18) are vertically and symmetrically arranged on the inner wall of the device body (1);
the bottom of the limiting strips (18) is fixedly connected with the top end of the limiting plate (10), and the limiting strips (18) are arranged in a staggered mode with the sewage inlet (2) and the sewage outlet (3).
4. The sludge discharge device for sewage treatment with high treatment efficiency according to claim 3, wherein the sludge removing plate (8) comprises a scraping plate (801) tightly attached to the inner wall of the device body (1) and a first sliding block (802) sleeved on the outer side of the threaded rod (7), and two groups of limiting grooves (803) matched with the limiting strips (18) are symmetrically formed in the outer side of the scraping plate (801);
the scraper blade (801) with through first sector plate (804) that a plurality of equidistance set up between first slider (802), be close to each other two sets of be provided with filter screen (805) between first sector plate (804), just the internal thread hole with threaded rod (7) matched with is seted up at the middle part of first slider (802).
5. The sludge discharge device for sewage treatment with high treatment efficiency according to claim 4, wherein the mudguard (9) comprises a second sliding block (901) sleeved outside the threaded rod (7), and a plurality of second fan-shaped plates (902) are equidistantly arranged outside the circumference of the second sliding block (901);
the middle part of the second sliding block (901) is provided with a through hole matched with the threaded rod (7), the second fan-shaped plate (902) is aligned with the filter screen (805) up and down, and the shape and size of the second fan-shaped plate (902) are the same as those of the filter screen (805).
6. The sludge discharge device for sewage treatment with high treatment efficiency according to claim 5, wherein the outer side of the second sector plate (902) is provided with the limiting groove (803) matched with the limiting strip (18), and a plurality of second springs (19) are arranged between the second sector plate (902) and the limiting plate (10).
7. The sludge discharging device for sewage treatment with high treatment efficiency according to claim 1 or 5, wherein the sealing plate (12) is provided with an O-shaped ring (20) in a clamping manner at the outer side of the circumference, and the O-shaped ring (20) is tightly attached to the inner wall of the device body (1).
8. The sludge discharging device for sewage treatment with high treatment efficiency according to claim 1 or 6, wherein a collecting vehicle (21) is arranged inside the treatment tank (4) and right below the device body (1), and a handle (22) is arranged on one side of the collecting vehicle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123081232.9U CN216236110U (en) | 2021-12-09 | 2021-12-09 | Sludge discharge device for sewage treatment with high treatment efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123081232.9U CN216236110U (en) | 2021-12-09 | 2021-12-09 | Sludge discharge device for sewage treatment with high treatment efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216236110U true CN216236110U (en) | 2022-04-08 |
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ID=80961679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123081232.9U Expired - Fee Related CN216236110U (en) | 2021-12-09 | 2021-12-09 | Sludge discharge device for sewage treatment with high treatment efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216236110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282677A (en) * | 2022-10-08 | 2022-11-04 | 天津正赢浩司科技有限公司 | Sludge discharge device for sewage treatment |
| CN115463466A (en) * | 2022-10-12 | 2022-12-13 | 枣庄高新区立正建筑工程有限公司 | Wastewater treatment equipment convenient to clearance residue |
| CN116715314A (en) * | 2023-06-05 | 2023-09-08 | 江苏立业环境科技有限公司 | Three-phase separator with anti-blocking function for petroleum sewage |
-
2021
- 2021-12-09 CN CN202123081232.9U patent/CN216236110U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282677A (en) * | 2022-10-08 | 2022-11-04 | 天津正赢浩司科技有限公司 | Sludge discharge device for sewage treatment |
| CN115463466A (en) * | 2022-10-12 | 2022-12-13 | 枣庄高新区立正建筑工程有限公司 | Wastewater treatment equipment convenient to clearance residue |
| CN115463466B (en) * | 2022-10-12 | 2023-12-01 | 枣庄高新区立正建筑工程有限公司 | Wastewater treatment equipment convenient to clear up residue |
| CN116715314A (en) * | 2023-06-05 | 2023-09-08 | 江苏立业环境科技有限公司 | Three-phase separator with anti-blocking function for petroleum sewage |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |