CN112456603A - Sewage treatment device and method - Google Patents
Sewage treatment device and method Download PDFInfo
- Publication number
- CN112456603A CN112456603A CN202011190665.5A CN202011190665A CN112456603A CN 112456603 A CN112456603 A CN 112456603A CN 202011190665 A CN202011190665 A CN 202011190665A CN 112456603 A CN112456603 A CN 112456603A
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- Prior art keywords
- floater
- tank
- collecting
- sewage treatment
- fixedly connected
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- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 208000034699 Vitreous floaters Diseases 0.000 abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sewage treatment device and a sewage treatment method, and the sewage treatment device comprises a main body, wherein a precipitation tank and a filter tank are arranged on the top surface of the main body, a side plate is fixedly arranged at the edge of the outer ring of a notch of the precipitation tank, a floater salvaging assembly is fixedly arranged on the top surface of the side plate and comprises a vertical plate fixedly connected with the top surface of the side plate, a connecting rod is embedded in the back surface of the upper end of the vertical plate, a first gear is movably sleeved on the outer side of the connecting rod, a motor box is also fixedly arranged on the top surface of the side plate, a motor groove is arranged in the motor box. According to the invention, the collecting tank is arranged in the floater collecting barrel, the top end of the floater collecting barrel is provided with the floater inlet communicated with the collecting tank, the outer side of the floater collecting barrel is movably sleeved with the cylindrical outer frame, and the outer side of the cylindrical outer frame is fixedly provided with the plurality of fishing hook members which are distributed in an annular shape at equal intervals, so that the device can collect the fished floaters while fishing the floaters.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device and a sewage treatment method.
Background
Sewage treatment, namely a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, the sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people;
the sewage treatment usually needs to wait for the sludge and the fixed sediment in the water in the sedimentation tank to stand for sedimentation, and the sewage can be discharged after being filtered by the filter tank to reach the discharge standard, however, the sewage usually contains some floaters besides the sludge and the solid sediment, if the floaters are not salvaged, the floaters can enter the filter tank, the filtering effect of a filtering layer in the filter tank is influenced, and the cleaning is difficult.
Disclosure of Invention
The present invention is directed to a sewage treatment apparatus and a sewage treatment method, which solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment device and a sewage treatment method comprise a main body, wherein a precipitation tank and a filter tank are arranged on the top surface of the main body, a side plate is fixedly arranged at the edge of the outer ring of a notch of the precipitation tank, a floater salvaging assembly is fixedly arranged on the top surface of the side plate and comprises a vertical plate fixedly connected with the top surface of the side plate, a connecting rod is embedded into the back surface of the upper end of the vertical plate, a first gear is movably sleeved on the outer side of the connecting rod, a motor box is also fixedly arranged on the top surface of the side plate, a motor tank is arranged inside the motor box, a motor is fixedly arranged inside the motor tank, and one end of the motor, close to the precipitation tank, penetrates through the side wall of the motor tank through a rotating shaft and is;
the one end fixedly connected with floater collecting vessel that the riser was kept away from to the connecting rod, the collecting vat has been seted up to the inside of floater collecting vessel, the floater import of intercommunication each other with the collecting vat is seted up on the top of floater collecting vessel, the tube-shape frame has been cup jointed in the outside activity of floater collecting vessel, the fixed hook piece that is a plurality of annular equidistant distributions that is equipped with in the outside of tube-shape frame, the one side fixed connection that the riser was kept away from to the one end of tube-shape frame through rib and first gear.
Preferably, a plurality of evenly distributed through holes are formed in the bottom surface of the collecting tank, a sliding block is arranged inside the collecting tank, the sliding block is of a disc-shaped structure, the outer side of the sliding block is movably attached to the side wall of the collecting tank, a pull rod is fixedly connected to the middle of one side, far away from the side plate, of the sliding block, one end, far away from the side plate, of the pull rod protrudes out of a notch of the collecting tank, and a pull ring is fixedly connected to the pull rod.
Preferably, the outer ring of the notch of the collecting tank is fixedly connected with second supporting rods which are symmetrical to each other, and one end, far away from the floating object collecting cylinder, of each second supporting rod is fixedly connected with the outer ring of the notch of the settling tank.
Preferably, the bottom surface of the side plate is fixedly connected with first supporting rods which are symmetrical to each other, and one end of each first supporting rod, which is far away from the side plate, is fixedly connected with the front surface of the main body.
Preferably, a baffle is arranged between the sedimentation tank and the filter tank, and a plurality of linear barriers which are distributed at equal intervals are fixedly arranged on the top surface of the baffle.
A sewage treatment device and a sewage treatment method comprise the following steps:
step one, starting a motor, driving a second gear to rotate by the motor through a rotating shaft, and driving a first gear to rotate by the second gear;
step two, the cylindrical outer frame is movably sleeved on the outer side of the floating object collecting cylinder, the first gear drives the cylindrical outer frame to rotate together with the fishing hook parts fixedly connected with the outer side, the floating object collecting cylinder is fixed and cannot rotate, and the fishing hook parts rotate clockwise relative to the floating object collecting cylinder;
step three, utilize step two to make the device can salvage the floater that contains in the inside sewage of precipitation tank automatically, salvage the hook piece and continue to rotate after salvaging the floater, when it rotates to floater entry notch top, the floater drops to the collecting vat inside through the floater import under the effect of gravity to when making the device can salvage the floater, can also collect the floater of salvaging.
The invention has the technical effects and advantages that:
1. according to the invention, the collecting tank is arranged in the floater collecting barrel, the top end of the floater collecting barrel is provided with the floater inlet communicated with the collecting tank, the outer side of the floater collecting barrel is movably sleeved with the cylindrical outer frame, and the outer side of the cylindrical outer frame is fixedly provided with a plurality of annular fishing hook members distributed at equal intervals, so that the device can collect the fished floaters while fishing the floaters;
2. according to the invention, the sliding block is arranged in the collecting tank, the middle part of one surface of the sliding block, which is far away from the side plate, is fixedly connected with the pull rod, and the end, which is far away from the side plate, of the pull rod is fixedly connected with the pull ring, so that the device can conveniently clean floating objects in the collecting tank.
3. According to the invention, the baffle 14 is arranged between the sedimentation tank 11 and the filter tank 12, the top surface of the baffle 14 is fixedly provided with the plurality of linear fences 141 distributed at equal intervals, and the fences 141 block floating objects, so that the floating objects are prevented from entering the filter tank 12 and influencing the filter layer in the filter tank 12.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional view of the float collecting tank of the present invention.
FIG. 3 is an enlarged view of the position A in FIG. 2 according to the present invention.
Fig. 4 is a partial sectional structural schematic diagram of the motor case of the present invention.
FIG. 5 is an enlarged view of the position B in FIG. 4 according to the present invention.
In the figure: 1. a main body; 11. a settling tank; 12. a filter tank; 13. a side plate; 131. a first support bar; 14. a baffle plate; 141. a barrier; 2. a floater salvaging assembly; 21. a vertical plate; 22. a connecting rod; 221. a first gear; 23. a float collection canister; 231. collecting tank; 2311. a through hole; 2312. a slider; 2313. a pull rod; 2314. a pull ring; 232. a floater inlet; 24. a cylindrical outer frame; 241. fishing the hook piece; 25. a second support bar; 3. a motor case; 31. a motor slot; 311. a motor; 3111. a second gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a sewage treatment device and a sewage treatment method as shown in figures 1-5, which comprises a main body 1, wherein the top surface of the main body 1 is provided with a precipitation tank 11 and a filter tank 12, the edge of the outer ring of the notch of the precipitation tank 11 is fixedly provided with a side plate 13, the top surface of the side plate 13 is fixedly provided with a floater fishing component 2, the floater fishing component 2 comprises a vertical plate 21 fixedly connected with the top surface of the side plate 13, the back surface of the upper end of the vertical plate 21 is embedded with a connecting rod 22, the outer side of the connecting rod 22 is movably sleeved with a first gear 221, the top surface of the side plate 13 is also fixedly provided with a motor box 3, the motor box 3 is internally provided with a motor groove 31, the motor groove 31 is internally and fixedly provided with a motor 311, one end of the motor 311 close to the precipitation tank 11 penetrates through the side wall of the motor groove 31 through a rotating shaft and is fixedly connected with a second gear, the second gear 3111 drives the first gear 221 to rotate, the cylindrical outer frame 24 is movably sleeved on the outer side of the floating object collecting cylinder 23, the first gear 221 drives the cylindrical outer frame 24 to rotate together with the fishing hook 241 fixedly connected to the outer side, the floating object collecting cylinder 23 is fixed and cannot rotate, and the fishing hook 241 rotates clockwise relative to the floating object collecting cylinder 23, so that the device can automatically salvage floating objects contained in sewage in the settling tank 11;
connecting rod 22 keeps away from riser 21's one end fixedly connected with floater collecting vessel 23, collecting vat 231 has been seted up to the inside of floater collecting vessel 23, floater import 232 with collecting vat 231 intercommunication each other is seted up on the top of floater collecting vessel 23, the outside activity of floater collecting vessel 23 has cup jointed tube-shape frame 24, the fixed hook 241 that is a plurality of annular equidistant distribution that is equipped with in outside of tube-shape frame 24, the one side fixed connection that riser 21 was kept away from to the rib and first gear 221 is passed through to tube-shape frame 24's one end, hook 241 continues to rotate after salvaging the floater, when it rotates to floater import 232 notch top, the floater drops to the collecting vat 231 inside through floater import 232 under the effect of gravity, thereby when making the device can salvage the floater, can also collect the floater of salvaging.
A plurality of uniformly distributed through holes 2311 are formed in the bottom surface of the collecting tank 231, so that water stains on the floating objects can be discharged through the through holes 2311, a slider 2312 is arranged inside the collecting tank 231, the slider 2312 is of a disc-shaped structure, the outer side of the slider 2312 is movably attached to the side wall of the collecting tank 231, a pull rod 2313 is fixedly connected to the middle of one side, away from the side plate 13, of the slider 2312, one end, away from the side plate 13, of the pull rod 2313 protrudes out of the notch of the collecting tank 231, and a pull ring 2314 is fixedly connected with the pull rod 2314, in the process of fishing of the device, one side, away from the pull rod 2313, of the slider 2312 is always attached to the bottom of the collecting tank 231, when the floating objects in the settling tank 11 are fished, the collecting tank 2314 is held by a hand, the slider 2312 is pulled out from the inside of the collecting, the floating objects in the collecting tank 231 can be conveniently cleaned by the device.
The second bracing piece 25 of collecting vat 231's notch outer lane fixedly connected with mutual symmetry, the one end and the 11 notches outer lane fixed connection of precipitation tank of floater collecting vessel 23 are kept away from to second bracing piece 25, and the cooperation of the second bracing piece 25 and riser 21 of two mutual symmetries plays the supporting role to floater collecting vessel 23 for floater collecting vessel 23 suspension sets up the notch at precipitation tank 11.
The bottom surface fixedly connected with of curb plate 13 has first bracing piece 131 of mutual symmetry, and the one end that curb plate 13 was kept away from to first bracing piece 131 and the positive fixed connection of main part 1, and two first bracing pieces 131 of mutual symmetry play the supporting role to curb plate 13 for be connected more firmly between curb plate 13 and the main part 1.
Be equipped with baffle 14 between precipitation tank 11 and the filter tank 12, the fixed barrier 141 that is the equidistant distribution of a plurality of lines that is equipped with of top surface of baffle 14, barrier 141 blocks the floater, avoids the floater to enter into filter tank 12, and the condition emergence that causes the influence to the inside filter layer of filter tank 12.
A sewage treatment device and a sewage treatment method comprise the following steps:
step one, starting the motor 311, wherein the motor 311 drives the second gear 3111 to rotate through the rotating shaft, and the second gear 3111 drives the first gear 221 to rotate;
step two, the cylindrical outer frame 24 is movably sleeved on the outer side of the floating object collecting cylinder 23, the first gear 221 drives the cylindrical outer frame 24 to rotate together with the fishing hook 241 fixedly connected to the outer side, the floating object collecting cylinder 23 is fixed and cannot rotate, and the fishing hook 241 rotates clockwise about the floating object collecting cylinder 23;
step three, utilize step two to make the device can salvage the floater that contains in the inside sewage of precipitation tank 11 automatically, salvage hook piece 241 and continue to rotate after salvaging the floater, when it rotates to floater import 232 notch top, the floater drops to the collecting vat 231 inside through floater import 232 under the effect of gravity to when making the device can salvage the floater, can also collect the floater of salvaging.
The working principle of the invention is as follows: the motor 311 is started, the motor 311 drives the second gear 3111 to rotate through the rotating shaft, the second gear 3111 drives the first gear 221 to rotate, the cylindrical outer frame 24 is movably sleeved on the outer side of the floating object collecting cylinder 23, the first gear 221 drives the cylindrical outer frame 24 to rotate together with the fishing hook 241 fixedly connected with the outer side, the floating object collecting cylinder 23 is fixed and can not rotate, the fishing hook 241 rotates clockwise around the floating object collecting cylinder 23, the device can automatically salvage the floating objects in the sewage in the settling tank 11, the salvage hook piece 241 continues to rotate after the floating objects are salvaged, when the floater falls into the upper part of the notch of the floater inlet 232, the floater falls into the collecting tank 231 through the floater inlet 232 under the action of gravity, therefore, the device can collect the salvaged floating objects while salvaging the floating objects.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A sewage treatment device, comprising a main body (1), characterized in that: the top surface of the main body (1) is provided with a sedimentation tank (11) and a filter tank (12), a side plate (13) is fixedly arranged at the edge of the outer ring of the notch of the settling tank (11), a floater fishing component (2) is fixedly arranged on the top surface of the side plate (13), the floating object salvaging component (2) comprises a vertical plate (21) fixedly connected with the top surface of the side plate (13), a connecting rod (22) is embedded in the back of the upper end of the vertical plate (21), a first gear (221) is movably sleeved on the outer side of the connecting rod (22), a motor box (3) is fixedly arranged on the top surface of the side plate (13), a motor groove (31) is arranged inside the motor box (3), a motor (311) is fixedly arranged inside the motor groove (31), one end of the motor (311) close to the settling tank (11) penetrates through the side wall of the motor tank (31) through a rotating shaft and is fixedly connected with a second gear (3111) meshed with the first gear (221);
the one end fixedly connected with floater collecting vessel (23) of riser (21) are kept away from in connecting rod (22), collecting vat (231) have been seted up to the inside of floater collecting vessel (23), floater import (232) that communicate each other with collecting vat (231) have been seted up on the top of floater collecting vessel (23), tube-shape frame (24) has been cup jointed in the outside activity of floater collecting vessel (23), the outside of tube-shape frame (24) is fixed to be equipped with a plurality of salvage hook piece (241) that are the equidistant distribution of annular, one side fixed connection that riser (21) were kept away from in one end of tube-shape frame (24) through rib and first gear (221).
2. The sewage treatment apparatus according to claim 1, wherein: the bottom surface of the collecting tank (231) is provided with a plurality of uniformly distributed through holes (2311), a sliding block (2312) is arranged inside the collecting tank (231), the sliding block (2312) is of a disc-shaped structure, the outer side of the sliding block (2312) is movably attached to the side wall of the collecting tank (231), a pull rod (2313) is fixedly connected to the middle of one face, away from the side plate (13), of the sliding block (2312), one end, away from the side plate (13), of the pull rod (2313) protrudes out of a notch of the collecting tank (231), and a pull ring (2314) is fixedly connected to the one end.
3. The sewage treatment apparatus according to claim 1, wherein: the outer ring of the notch of the collecting tank (231) is fixedly connected with second supporting rods (25) which are symmetrical to each other, and one end, far away from the floating object collecting cylinder (23), of each second supporting rod (25) is fixedly connected with the outer ring of the notch of the settling tank (11).
4. The sewage treatment apparatus according to claim 1, wherein: the bottom surface of curb plate (13) fixedly connected with first bracing piece (131) of mutual symmetry, the front fixed connection of the one end and main part (1) of curb plate (13) is kept away from in first bracing piece (131).
5. The sewage treatment apparatus according to claim 1, wherein: a baffle (14) is arranged between the sedimentation tank (11) and the filter tank (12), and a plurality of barriers (141) which are in line shape and are distributed at equal intervals are fixedly arranged on the top surface of the baffle (14).
6. A sewage treatment device and a sewage treatment method are characterized in that: the method comprises the following steps:
step one, starting a motor (311), wherein the motor (311) drives a second gear (3111) to rotate through a rotating shaft, and the second gear (3111) drives a first gear (221) to rotate;
step two, the cylindrical outer frame (24) is movably sleeved on the outer side of the floating object collecting cylinder (23), the first gear (221) drives the cylindrical outer frame (24) to rotate together with fishing hook pieces (241) fixedly connected with the outer side, the floating object collecting cylinder (23) is fixed and cannot rotate, and the fishing hook pieces (241) rotate clockwise relative to the floating object collecting cylinder (23);
step three, utilize step two to make the device can salvage the floater that contains in the inside sewage of precipitation tank (11) automatically, salvage hook spare (241) and continue to rotate after salvaging the floater, when it rotates to floater import (232) notch top, the floater drops to collecting vat (231) inside through floater import (232) under the effect of gravity to make the device can salvage the floater, can also collect the floater of salvaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190665.5A CN112456603A (en) | 2020-10-30 | 2020-10-30 | Sewage treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190665.5A CN112456603A (en) | 2020-10-30 | 2020-10-30 | Sewage treatment device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112456603A true CN112456603A (en) | 2021-03-09 |
Family
ID=74835844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011190665.5A Pending CN112456603A (en) | 2020-10-30 | 2020-10-30 | Sewage treatment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112456603A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534348A (en) * | 2022-03-17 | 2022-05-27 | 周慧群 | Sewage treatment device for salvaging floaters and suspended matters in sewage |
| CN115569413A (en) * | 2022-12-09 | 2023-01-06 | 烟台兴晟环保科技有限公司 | Thickener for removing floaters on surface of ore pulp |
| CN117185449A (en) * | 2023-11-06 | 2023-12-08 | 中铁十八局集团第五工程有限公司 | Expressway construction wastewater environment-friendly treatment equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1046046A (en) * | 1964-05-09 | 1966-10-19 | Gilbert Douglas Hendry | Apparatus for use in the salvaging of a sunken vessel |
| CN107524130A (en) * | 2017-09-14 | 2017-12-29 | 安徽金贺财建筑工程有限公司 | A kind of fishing device for dam floater cleaning |
| CN207726752U (en) * | 2017-12-13 | 2018-08-14 | 天津中冀源环保科技有限公司 | A kind of sewage disposal floating refuse cleaning plant |
| CN208279472U (en) * | 2018-04-23 | 2018-12-25 | 浙江兴舟纸业有限公司 | A kind of recycling and reusing device for processing papermaking wastewater |
| CN110450914A (en) * | 2019-08-24 | 2019-11-15 | 孙素莲 | A kind of floater in river improvement pick-up boat |
| CN211773482U (en) * | 2020-01-13 | 2020-10-27 | 浙江佳立美创环境服务有限公司 | River course floater fishing device for municipal works |
-
2020
- 2020-10-30 CN CN202011190665.5A patent/CN112456603A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1046046A (en) * | 1964-05-09 | 1966-10-19 | Gilbert Douglas Hendry | Apparatus for use in the salvaging of a sunken vessel |
| CN107524130A (en) * | 2017-09-14 | 2017-12-29 | 安徽金贺财建筑工程有限公司 | A kind of fishing device for dam floater cleaning |
| CN207726752U (en) * | 2017-12-13 | 2018-08-14 | 天津中冀源环保科技有限公司 | A kind of sewage disposal floating refuse cleaning plant |
| CN208279472U (en) * | 2018-04-23 | 2018-12-25 | 浙江兴舟纸业有限公司 | A kind of recycling and reusing device for processing papermaking wastewater |
| CN110450914A (en) * | 2019-08-24 | 2019-11-15 | 孙素莲 | A kind of floater in river improvement pick-up boat |
| CN211773482U (en) * | 2020-01-13 | 2020-10-27 | 浙江佳立美创环境服务有限公司 | River course floater fishing device for municipal works |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534348A (en) * | 2022-03-17 | 2022-05-27 | 周慧群 | Sewage treatment device for salvaging floaters and suspended matters in sewage |
| CN114534348B (en) * | 2022-03-17 | 2023-10-27 | 周慧群 | Sewage treatment device for salvaging floaters and suspended matters in sewage |
| CN115569413A (en) * | 2022-12-09 | 2023-01-06 | 烟台兴晟环保科技有限公司 | Thickener for removing floaters on surface of ore pulp |
| CN117185449A (en) * | 2023-11-06 | 2023-12-08 | 中铁十八局集团第五工程有限公司 | Expressway construction wastewater environment-friendly treatment equipment |
| CN117185449B (en) * | 2023-11-06 | 2024-01-12 | 中铁十八局集团第五工程有限公司 | Expressway construction wastewater environment-friendly treatment equipment |
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Application publication date: 20210309 |