CN213895316U - Sewage settling basin - Google Patents
Sewage settling basin Download PDFInfo
- Publication number
- CN213895316U CN213895316U CN202023003693.XU CN202023003693U CN213895316U CN 213895316 U CN213895316 U CN 213895316U CN 202023003693 U CN202023003693 U CN 202023003693U CN 213895316 U CN213895316 U CN 213895316U
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- plate
- sedimentation tank
- motor
- cleaning
- tank
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- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 238000004062 sedimentation Methods 0.000 claims abstract description 97
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 239000010802 sludge Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000007790 scraping Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000001914 filtration Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000003911 water pollution Methods 0.000 description 3
- 238000003895 groundwater pollution Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 231100000739 chronic poisoning Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The application relates to the technical field of sewage treatment, in particular to a sewage sedimentation tank which comprises a sedimentation tank, wherein the sedimentation tank is a circular tank, an annular guide groove is formed in the inner side wall of the sedimentation tank, a guide block is slidably connected in the guide groove, an installation plate is fixedly connected to the guide block, and a cleaning assembly for cleaning sludge on the inner side wall of the sedimentation tank is arranged on the installation plate; and a driving assembly is arranged above the sedimentation tank, and the mounting plate moves along the inner side tank wall of the sedimentation tank through the driving assembly. This application has the sludge blanket of being convenient for adhesion on the inside wall of sedimentation tank and clears up the effect.
Description
Technical Field
The application relates to the field of sewage treatment, in particular to a sewage sedimentation tank.
Background
The topic of water pollution is continuously raised, particularly the problem of groundwater pollution, the surface water pollution is obvious, the groundwater pollution is still a surprise, the water pollution condition is continuously intensified, so that the sewage treatment and regeneration industry is unprecedented in attention, after the water body is polluted, the ecological system of the environment is greatly damaged, in the serious condition, the water body ecology, balance damage and material circulation are stopped, and aquatic organisms die due to acute or chronic poisoning, so that the environment is seriously influenced.
The prior Chinese patent with the authorization publication number of CN209662793U discloses a sewage sedimentation tank, which comprises a mixed flow tank and a sedimentation tank arranged below the mixed flow tank and communicated with the mixed flow tank, wherein a water filtering net is arranged at the position where the mixed flow tank is communicated with the sedimentation tank in a crossing way, a plurality of water filtering holes are arranged on the water filtering net, a cleaning plate is arranged on the side wall of the sedimentation tank and positioned in the sedimentation tank, a hinge shaft which is rotatably connected with the side wall of the sedimentation tank is fixedly arranged on the cleaning plate, a plurality of cleaning rods which are inserted into each water filtering hole are arranged on the cleaning plate, a first driving piece which is used for driving the hinge shaft to drive the cleaning rods on the cleaning plate to be inserted into the water filtering holes is arranged on the outer wall of the sedimentation tank, the hinge shaft on the cleaning plate is driven by the first driving piece to rotate in the sedimentation tank, so that the cleaning plate drives the cleaning rods to be inserted into each water filtering hole on the water filtering net, thereby enabling the cleaning rods to eject dirt in the water filtering holes, the filter screen is prevented from being blocked by dirt, and the filtering effect of the filter screen on the dirt is improved.
According to the related technology, after the sedimentation tank is used for a long time, the sedimentation sludge can be adhered to the inner side wall of the sedimentation tank to form a sludge layer, and the sludge layer can be mixed in relatively clean water after sedimentation is finished in the sewage treatment process, so that the sewage treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the adhesion to clear up the sludge blanket on the inside wall of sedimentation tank, this application provides a sewage sedimentation tank.
The application provides a sewage sedimentation tank adopts following technical scheme:
a sewage sedimentation tank comprises a sedimentation tank, wherein the sedimentation tank is a circular tank, an annular guide groove is formed in the inner side wall of the sedimentation tank, a guide block is connected in the guide groove in a sliding manner, an installation plate is fixedly connected to the guide block, and a cleaning assembly for cleaning sludge on the inner side wall of the sedimentation tank is arranged on the installation plate; and a driving assembly is arranged above the sedimentation tank, and the mounting plate moves along the inner side tank wall of the sedimentation tank through the driving assembly.
Through adopting above-mentioned technical scheme, the cooperation of guide block and guide way plays the effect of direction to the sliding of mounting panel. The mounting panel can slide along the circular shape sedimentation tank inner wall under drive assembly's drive, can clear up the mud of adhesion on the inside wall of sedimentation tank under the cooperation of the clearance subassembly on the mounting panel. Effectively reduced the mud quantity of long-time in-process sedimentation tank inner wall accumulation, strengthened the effect of sewage sedimentation tank clearance sewage.
Preferably, the driving assembly comprises an annular rack, an annular plate is arranged on the outer side of the sedimentation tank, and the annular plate is arranged along the circumferential direction of the sedimentation tank; the annular rack is arranged on the side surface of the annular plate close to the sedimentation tank; the mounting plate is an arc-shaped plate, a connecting plate is arranged on the mounting plate, a gear is arranged on the connecting plate, and the gear is meshed with the annular rack; and a driving piece for driving the gear to rotate is arranged on the connecting plate.
Through adopting above-mentioned technical scheme, under the drive of the driving piece of setting on the connecting plate, gear revolve drives the whole circumference removal on the inside wall of sedimentation tank of mounting panel to sludge circumference clearance on the sedimentation tank inner wall.
Preferably, the driving piece includes first motor, the connecting plate includes riser and diaphragm, the riser is connected with the last fixed surface of mounting panel, diaphragm fixed connection is in the side that the riser is close to the annular slab, first motor fixed connection is in the upper surface of diaphragm, the output shaft of first motor runs through the lower surface that the diaphragm extended to the diaphragm, the output shaft and the diaphragm of first motor rotate to be connected, gear fixed connection extends to the tip of the lower surface of diaphragm in the output shaft of first motor.
Through adopting above-mentioned technical scheme, the diaphragm supplies first motor fixed, and when first motor started, the output shaft rotation of first motor drove the gear and rotates, has realized the drive to mounting panel moving as a whole.
Preferably, the cleaning assembly comprises a mud scraper which is arranged on the side surface of the mounting plate and is arc-shaped, and the mud scraper is attached to the inner side wall of the sedimentation tank; and the mounting plate is provided with a cleaning assembly for cleaning the mud scraping plate.
Through adopting above-mentioned technical scheme, when the mounting panel removed on the inside wall of sedimentation tank, can drive the wiper that the side set up and remove, the wiper sets up with the inside wall contact of sedimentation tank, can be with the mud clean up on attached to the sedimentation tank inner wall when the wiper removes.
Preferably, the cleaning assembly comprises a cleaning barrel, the two sides of the mounting plate are fixedly connected with a horizontal placing plate, the upper surface of the placing plate is fixedly connected with a second motor, an output shaft of the second motor penetrates through the lower surface of the placing plate, the output shaft of the second motor is rotatably connected with the placing plate, the cleaning barrel is arranged on the output shaft of the lower surface of the placing plate, the second motor extends to the output shaft of the lower surface of the placing plate, bristles are arranged on the cleaning barrel, and the bristles are in contact with the mud scraping plate.
Through adopting above-mentioned technical scheme, when the mud scraper removed, the mud on the internal wall of mud scraper scraping sedimentation tank made it drop, thereby some mud can remove along the mud scraper and adhere to on the mud scraper. When the second motor is started, the output shaft of the second motor rotates to drive the cleaning barrel fixedly connected with the second motor to rotate, and the cleaning barrel rotates to enable the bristles to scrape the mud scraper arranged in contact with the cleaning barrel, so that the mud scraper is cleaned.
Preferably, the bristles are detachably connected with the cleaning barrel.
Through adopting above-mentioned technical scheme, the brush hair can be dismantled with clean a section of thick bamboo and be connected the convenience and dismantle the brush hair to it is convenient clean to the brush hair.
Preferably, the mud scraper is two, two the both sides of mounting panel are located to the mud scraper, two the mud scraper all sets up with the inside wall contact of sedimentation tank.
Through adopting above-mentioned technical scheme, two mud scrapers all can clear up the inside wall of sedimentation tank when making the mounting panel clockwise and anticlockwise removal, have strengthened the clearance effect.
Preferably, the guide block is a dovetail block, and the guide groove is a dovetail groove.
Through adopting above-mentioned technical scheme, the guide block that the forked tail piece set up with rather than the complex guide way to the circumference of mounting panel slide and play the effect of direction, slide to the mounting block simultaneously and play the location effect, make it can not deviate from the guide way.
In summary, the present application includes at least one of the following beneficial technical effects:
the cooperation of guide block and guide way plays the effect of direction to the sliding of mounting panel. The mounting panel can slide along the circular shape sedimentation tank inner wall under drive assembly's drive, can clear up the mud of adhesion on the inside wall of sedimentation tank under the cooperation of the clearance subassembly on the mounting panel. The amount of sludge accumulated on the inner wall of the sedimentation tank in the long-time use process is effectively reduced, and the sewage cleaning effect of the sewage sedimentation tank is enhanced;
the brush hair and the cleaning barrel can be detachably connected, so that the brush hair can be conveniently detached, and the brush hair can be conveniently cleaned.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a mounting plate in an embodiment of the present application;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a cleaning cartridge in an embodiment of the present application;
fig. 5 is a schematic view of the structure of the first cartridge and the second cartridge.
Description of reference numerals: 1. a sedimentation tank; 2. a guide groove; 3. a guide block; 4. mounting a plate; 5. an annular rack; 6. an annular plate; 7. a connecting plate; 701. a transverse plate; 702. a vertical plate; 8. a gear; 9. a first motor; 10. a mud scraper; 11. a cleaning cartridge; 111. a first cartridge; 112. a second cartridge; 12. brushing; 13. a bevel; 14. a second motor; 15. placing the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The application discloses sewage sedimentation tank. Referring to fig. 1, the water purification device comprises a sedimentation tank 1, wherein the sedimentation tank 1 is a circular tank, and the sedimentation tank 1 is a structure for removing suspended matters in water by using sedimentation, so that the purpose of purifying water quality is achieved. The sedimentation tank 1 makes sewage settle at the bottom of the sedimentation tank 1 under the influence of self gravity under the long-time standing of the sewage, thereby realizing the separation. In-process that water injection and suspended solid subsided, on partial mud and suspended solid impurity can adhere to the inside wall of sedimentation tank 1, long-time use leads to forming one deck sludge blanket on the inside wall of sedimentation tank 1 after, when continuing to use, mud on the 1 inside wall of sedimentation tank can mix the aquatic after purifying and lead to the purifying effect variation. The improvement of this application lies in can clearing up the mud layer of adnexed on the 1 inside wall of sedimentation tank.
Referring to fig. 2 and 3, an annular guide groove 2 is formed in the inner side wall of the sedimentation tank 1, a guide block 3 is slidably connected in the guide groove 2, and a mounting plate 4 is fixedly connected to the guide block 3. The guide groove 2 is arranged on the inner side wall of the sedimentation tank 1 and close to the ground. When the sedimentation tank 1 is internally provided with sewage, the guide groove 2 is positioned above the liquid level of the sewage, and the sludge and suspended matters can not enter the guide groove 2 through the arrangement, so that the normal use of the guide block 3 and the guide groove 2 can not be influenced. The guide block 3 is a dovetail block, the guide groove 2 is a dovetail groove, the guide block 3 arranged on the dovetail block and the guide groove 2 matched with the dovetail block slide in the circumferential direction of the mounting plate 4 to play a guiding effect, and meanwhile, the guide block slides to play a positioning effect, so that the guide block cannot be separated from the guide groove 2.
Referring to fig. 3 and 4, the mounting plate 4 is provided with a cleaning assembly for cleaning sludge on the inner side wall of the sedimentation tank 1, the driving assembly is arranged above the sedimentation tank 1, and the mounting plate 4 moves along the inner side tank wall of the sedimentation tank 1 through the driving assembly. Can play the effect of clearance to annular sedimentation tank 1 inside wall under drive assembly and clearance subassembly's cooperation, the sludge blanket that will form sanitizes.
Referring to fig. 3 and 4, the driving assembly comprises an annular rack 5, an annular plate 6 is arranged outside the sedimentation tank 1, the annular plate 6 is fixedly connected to the ground, and the annular plate 6 is arranged along the circumferential direction of the sedimentation tank 1; the annular rack 5 is fixedly connected to the side surface of the annular plate 6 close to the sedimentation tank 1. Mounting panel 4 is the arc, and mounting panel 4 that the arc set up can laminate with the inside wall of sedimentation tank 1, is equipped with connecting plate 7 on mounting panel 4, and connecting plate 7 includes riser 702 and diaphragm 701, is L shape between riser 702 and the diaphragm 701, and riser 702 is connected with mounting panel 4's last fixed surface, and diaphragm 701 fixed connection is close to the side of annular plate 6 in riser 702. The transverse plate 701 and the vertical plate 702 are L-shaped, the transverse plate 701 extends from the vertical plate 702 to the direction of the annular plate 6, and the gear 8 is meshed with the annular rack 5; the connecting plate 7 is provided with a driving piece for driving the gear 8 to rotate. The driving part comprises a first motor 9, the first motor 9 is fixedly connected to the upper surface of the transverse plate 701, an output shaft of the first motor 9 penetrates through the transverse plate 701 to extend to the lower surface of the transverse plate 701, the output shaft of the first motor 9 is rotatably connected with the transverse plate 701, and the gear 8 is fixedly connected to the end portion of the output shaft of the first motor 9 to extend to the lower surface of the transverse plate 701. When the first motor 9 is started, the output shaft of the first motor 9 rotates to drive the gear 8 located on the lower surface of the transverse plate 701 to rotate, the gear 8 rotates to move circumferentially along the inner circle of the annular rack 5, and the transmission force for moving the gear 8 is transmitted to the mounting plate 4 in a manner of rotationally connecting the output shaft of the first motor 9 and the transverse plate 701, so that the mounting plate 4 is driven to move circumferentially along the inner circle of the annular rack 5.
Referring to fig. 3 and 4, the cleaning assembly comprises a mud scraper 10, the mud scraper 10 is fixedly connected to the side surface of the mounting plate 4, the mud scraper 10 is arc-shaped, and the mud scraper 10 is attached to the inner side wall of the sedimentation tank 1; the inside wall laminating of mud scraper 10 and sedimentation tank 1, mounting panel 4 can drive mud scraper 10 and slide on the inside wall of sedimentation tank 1 when sliding on the inside wall of sedimentation tank 1, and mud scraper 10 can scrape down to the sedimentation tank 1 in with the mud on the inside wall of sedimentation tank 1. The inclined plane 13 is arranged on the mud scraping plate 10, and the inclined plane 13 can enable the mud in the scraping process to move along the inclined plane 13, so that the mud scraping effect of the mud scraping plate 10 is enhanced. The mud scraper 10 is two, and the both sides of mounting panel 4 are located to two mud scraper 10, and two mud scraper 10 all set up with the inside wall contact of sedimentation tank 1, and two mud scraper 10 make mounting panel 4 all can clear up the mud on the inside wall of sedimentation tank 1 under clockwise and anticlockwise rotation circumstances.
Referring to fig. 4 and 5, the mounting plate 4 is provided with a cleaning assembly for cleaning the wiper blade 10. The cleaning assembly comprises a cleaning barrel 11, the two sides of the mounting plate 4 are fixedly connected with a horizontal placing plate 15, the upper surface of the placing plate 15 is fixedly connected with a second motor 14, an output shaft of the second motor 14 penetrates through the placing plate 15 to extend to the lower surface of the placing plate 15, an output shaft of the second motor 14 is rotatably connected with the placing plate 15, the cleaning barrel 11 is arranged on the output shaft of the lower surface of the placing plate 15, the cleaning barrel 11 comprises a first barrel 111 and a second barrel 112, the second barrel 112 is sleeved outside the first barrel 111, threads are arranged on the outer side face of the first barrel 111, internal threads are arranged in the second barrel 112, and the first barrel 111 is in threaded connection with the second barrel 112. The outer side surface of the second cylinder 112 is circumferentially provided with bristles 12, and the bristles 12 are arranged in contact with the mud scraper 10. When the second motor 14 is started, the output shaft of the second motor 14 rotates to drive the first cylinder 111 and the second cylinder 112 to rotate simultaneously, and the brush 12 cleans the mud scraper 10 in the rotating process. Thereby cleaning the sludge adhered to the scraper 10. Thereby realizing the detachable connection of the brush 12 and the cleaning cylinder 11.
The implementation principle of the embodiment of the application is as follows: when cleaning the inner wall of the sedimentation tank 1: the first motor 9 and the second motor 14 are started, the output shaft of the first motor 9 rotates to drive the gear 8 to rotate, the gear 8 rotates to drive the mounting plate 4 to integrally slide in the guide groove 2 in the circumferential direction, and the mounting plate 4 moves to drive the mud scraping plate 10 to move so as to scrape off the mud on the inner side wall of the sedimentation tank 1. An output shaft of the second motor 14 rotates to drive the cleaning cylinder 11 to rotate, and the cleaning cylinder 11 rotates to drive the brush 12 to clean the sludge on the mud scraping plate 10.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A sewage sedimentation tank is characterized in that: the sludge treatment device comprises a sedimentation tank (1), wherein the sedimentation tank (1) is a circular tank, an annular guide groove (2) is formed in the inner side wall of the sedimentation tank (1), a guide block (3) is connected in the guide groove (2) in a sliding manner, an installation plate (4) is fixedly connected to the guide block (3), and a cleaning assembly for cleaning sludge on the inner side wall of the sedimentation tank (1) is arranged on the installation plate (4); the sedimentation tank is characterized in that a driving assembly is arranged above the sedimentation tank (1), and the mounting plate (4) moves along the circumferential direction of the inner side tank wall of the sedimentation tank (1) through the driving assembly.
2. The sewage settling tank of claim 1, wherein: the driving assembly comprises an annular rack (5), an annular plate (6) is arranged on the outer side of the sedimentation tank (1), and the annular plate (6) is arranged along the circumferential direction of the sedimentation tank (1); the annular rack (5) is arranged on the side surface of the annular plate (6) close to the sedimentation tank (1); the mounting plate (4) is an arc-shaped plate, a connecting plate (7) is arranged on the mounting plate (4), a gear (8) is arranged on the connecting plate (7), and the gear (8) is meshed with the annular rack (5); and a driving piece for driving the gear (8) to rotate is arranged on the connecting plate (7).
3. The sewage settling tank of claim 2, wherein: the driving piece comprises a first motor (9), the connecting plate (7) comprises a vertical plate (702) and a transverse plate (701), the vertical plate (702) is fixedly connected with the upper surface of the mounting plate (4), the transverse plate (701) is fixedly connected with the side face, close to the annular plate (6), of the vertical plate (702), the first motor (9) is fixedly connected with the upper surface of the transverse plate (701), the output shaft of the first motor (9) penetrates through the lower surface, extending to the transverse plate (701), of the transverse plate (701) through the transverse plate (701), the output shaft of the first motor (9) is rotatably connected with the transverse plate (701), and the output shaft of the gear (8) is fixedly connected with the end portion of the lower surface of the first motor (9) extending to the transverse plate (701).
4. The sewage settling tank of claim 3, wherein: the cleaning assembly comprises a mud scraper (10), the mud scraper (10) is arranged on the side face of the mounting plate (4), the mud scraper (10) is arc-shaped, and the mud scraper (10) is attached to the inner side wall of the sedimentation tank (1); and a cleaning assembly for cleaning the mud scraping plate (10) is arranged on the mounting plate (4).
5. The sewage settling tank of claim 4, wherein: the cleaning assembly comprises a cleaning barrel (11), a horizontal placing plate (15) is fixedly connected to two sides of the mounting plate (4), a second motor (14) is fixedly connected to the upper surface of the placing plate (15), an output shaft of the second motor (14) penetrates through the placing plate (15) and extends to the lower surface of the placing plate (15), the output shaft of the second motor (14) is rotatably connected with the placing plate (15), the cleaning barrel (11) is arranged on the output shaft of the placing plate (15) and extends to the second motor (14), bristles (12) are arranged on the cleaning barrel (11), and the bristles (12) are in contact with the mud scraper (10).
6. The sewage settling tank of claim 5, wherein: the bristles (12) are detachably connected with the cleaning cylinder (11).
7. The sewage settling tank of claim 4, wherein: the mud scraper (10) are two, two the both sides of mounting panel (4) are located in mud scraper (10), two mud scraper (10) all set up with the inside wall contact of sedimentation tank (1).
8. The sewage settling tank of claim 1, wherein: the guide block (3) is a dovetail block, and the guide groove (2) is a dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023003693.XU CN213895316U (en) | 2020-12-12 | 2020-12-12 | Sewage settling basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023003693.XU CN213895316U (en) | 2020-12-12 | 2020-12-12 | Sewage settling basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213895316U true CN213895316U (en) | 2021-08-06 |
Family
ID=77102970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023003693.XU Expired - Fee Related CN213895316U (en) | 2020-12-12 | 2020-12-12 | Sewage settling basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213895316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521856A (en) * | 2021-09-17 | 2021-10-22 | 南通海济环保科技有限公司 | Sludge treatment system and working method thereof |
| CN114703951A (en) * | 2022-03-01 | 2022-07-05 | 中海监理有限公司 | Building site sewage discharge supervision monitored control system |
-
2020
- 2020-12-12 CN CN202023003693.XU patent/CN213895316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521856A (en) * | 2021-09-17 | 2021-10-22 | 南通海济环保科技有限公司 | Sludge treatment system and working method thereof |
| CN114703951A (en) * | 2022-03-01 | 2022-07-05 | 中海监理有限公司 | Building site sewage discharge supervision monitored control system |
| CN114703951B (en) * | 2022-03-01 | 2024-04-02 | 中海监理有限公司 | Building site sewage discharge supervision monitored control system |
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| GR01 | Patent grant | ||
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Granted publication date: 20210806 |