CN220564337U - Chemical wastewater turbidity removal device - Google Patents
Chemical wastewater turbidity removal device Download PDFInfo
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- CN220564337U CN220564337U CN202322173151.4U CN202322173151U CN220564337U CN 220564337 U CN220564337 U CN 220564337U CN 202322173151 U CN202322173151 U CN 202322173151U CN 220564337 U CN220564337 U CN 220564337U
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- filter tank
- coagulant
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- filter
- pipe
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 239000000126 substance Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000000701 coagulant Substances 0.000 claims abstract description 76
- 238000003756 stirring Methods 0.000 claims abstract description 44
- 239000010865 sewage Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000011049 filling Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000010908 plant waste Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 241000282414 Homo sapiens Species 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model discloses a chemical wastewater turbidity removal device, which comprises a filter tank, a stirring mechanism, a filter plate, a sewage suction pump and a coagulant pouring mechanism; and (3) a filter tank: the front end of the upper surface of the filter tank is provided with a water delivery pipe, and the water outlet at the bottom of the rear end of the filter tank is provided with a water discharge pipe; stirring mechanism: the filter tank is arranged in the filter tank; filter plate: the filter plate is arranged at the lower end of the inner wall of the filter tank, and the upper and lower positions of the filter plate and the stirring mechanism correspond to each other; dirt suction pump: the sewage suction device is arranged at the middle end of the right side surface of the filter tank, and a sewage discharge pipe is arranged at a sewage inlet of the sewage suction pump; coagulant filling mechanism: the filter tank is arranged on a boss at the lower end of the rear side surface of the filter tank; wherein: still include the singlechip, the singlechip sets up on the boss of filtering pond front surface, and the external power source is connected to the input electricity of singlechip, and this chemical industry waste water removes turbid device, degree of automation is higher, and work flow is simple, reduces the participation of manpower, faster more simple completion chemical plant waste water treatment operation.
Description
Technical Field
The utility model relates to the technical field of chemical industry, in particular to a turbidity removing device for chemical wastewater.
Background
After the pure water is used, the original physical property or chemical property is changed, and the pure water becomes wastewater containing different kinds of impurities. The chemical wastewater is the wastewater such as process wastewater, cooling water, waste gas washing water, equipment, site flushing water and the like discharged in chemical production. If the wastewater is discharged without treatment, the wastewater can cause pollution of different properties and different degrees of water bodies, thereby endangering the health of human beings and affecting the industrial and agricultural production;
the turbidity removing method of a part of chemical wastewater is a mode of manually filling coagulant, and then the degraded water is pumped by a water pump;
because the water quality is complex in components, heavy in chromaticity and large in odor, the harm to human bodies is large, the damage to human health is serious when the human participation force is large, and the turbidity removal quality is poor due to the fact that the coagulant is thrown out to remove turbidity and the mixing reaction of the coagulant and sewage is uneven, the turbidity removal device for the chemical wastewater is provided.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the chemical wastewater turbidity removal device which can remove the turbidity of the chemical wastewater more efficiently, safely and more simply, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a chemical wastewater turbidity removal device comprises a filter tank, a stirring mechanism, a filter plate, a sewage suction pump and a coagulant filling mechanism;
and (3) a filter tank: the front end of the upper surface of the filter tank is provided with a water delivery pipe, a water suction pump is fixedly connected to a boss at the bottom of the front surface of the filter tank, the water delivery pipe is communicated with a water outlet of the water suction pump, and a water discharge pipe is arranged at a water discharge outlet at the bottom of the rear end of the filter tank;
stirring mechanism: the filter tank is arranged in the filter tank;
filter plate: the filter plate is arranged at the lower end of the inner wall of the filter tank, the upper and lower positions of the filter plate correspond to those of the stirring mechanism, and the filter screens are respectively arranged at the mounting openings uniformly distributed at the upper end of the filter plate;
dirt suction pump: the sewage suction device is arranged at the middle end of the right side surface of the filter tank, a sewage discharge pipe is arranged at the sewage inlet of the sewage suction pump, and the left end of the sewage discharge pipe penetrates through the inner wall of the filter tank and extends to the upper end of the filter plate;
coagulant filling mechanism: the filter tank is arranged on a boss at the lower end of the rear side surface of the filter tank;
wherein: still include the singlechip, the singlechip sets up on the boss of filtering pond front surface, the external power source is connected to the input electricity of singlechip, the input of sewage suction pump and suction pump is connected to the output electricity of singlechip respectively, the manpower consumption resource is few, degree of automation is higher, safer work of drawing water, stirring rate in the filtering pond can be adjusted by oneself to personnel, coagulant and sewage intensive mixing, thereby guarantee the abundant of removing turbidity, thereby can be according to the kind of chemical plant discharge waste water and adjust waste water handling capacity and waste water's treatment rate by oneself, the work flow is simple, thereby reduce the participation of manpower and reduce the injury to personnel, the suitability of its each structure is good, faster more simple and convenient completion chemical plant waste water treatment operation.
Furthermore, the water inlet of the water suction pump is provided with a water inlet pipe, and the water inlet pipe penetrates through a boss at the bottom of the front surface of the filter tank, so that wastewater can be pumped into the filter tank.
Further, rabbling mechanism includes motor, collar, dead lever and transfer line, connecting cylinder and last stirring piece, the even fixed connection of dead lever is in the inner wall upper end of filtering pond, the one end that three dead lever is close to the filtering pond center all with the surface fixed connection of collar, the upper surface of collar passes through screw fixedly connected with motor, the output shaft of motor passes through the bearing and rotates with the inner wall of collar and be connected, the output shaft bottom fixedly connected with transfer line of motor, the outside of transfer line is located to the fixed cover of connecting cylinder, the surface fixedly connected with three last stirring piece of connecting cylinder, the input of singlechip is connected to the input electricity of motor, can realize stirring work, waste water and coagulant's absorption rate in the filtering pond.
Further, the stirring mechanism further comprises a bottom connecting cylinder and lower stirring sheets, wherein the bottom connecting cylinder is fixedly connected to the bottom of the transmission rod, and three lower stirring sheets are fixedly connected to the outer surface of the bottom connecting cylinder, so that the operation of stirring turbid matters at the bottom of the filter tank is realized.
Further, the water level range finder is fixedly connected to the outer side face of the mounting ring, and is in bidirectional electric connection with the singlechip, so that the function of monitoring the water level in real time is realized.
Further, the coagulant pouring mechanism comprises a coagulant storage container, a coagulant storage tank, a coagulant pumping and injecting pipe and a coagulant conveying pump, wherein the coagulant storage container is fixedly connected to the lower end of the rear side of the filter tank, the coagulant storage tank is arranged on the upper surface of the coagulant storage container, the coagulant conveying pump is arranged on the bottom wall of the coagulant storage tank, the coagulant pumping and injecting pipe is arranged at the discharge hole of the coagulant conveying pump, the coagulant pumping and injecting pipe is fixedly connected with the inner wall of a fixed sleeve at the upper end of the filter tank, and the input end of the coagulant conveying pump is electrically connected with the input end of the single chip microcomputer to provide coagulant for the turbidity removal of wastewater in the filter tank.
Further, a pipe valve is connected in series with the middle part of the drain pipe to control the wastewater after turbidity removal to be discharged out of the filter tank.
Compared with the prior art, the utility model has the beneficial effects that: this chemical industry waste water removes turbid device has following benefit:
1. in the process of removing turbidity from chemical wastewater, a water pipe connected with the outside of the water inlet pipe is led to a wastewater reservoir, the singlechip is controlled to work, the wastewater is discharged into the filter tank through the water pipe, meanwhile, the coagulant conveying pump works, the coagulant in the coagulant storage tank is pumped into the filter tank through the coagulant pumping pipe to quantitatively pump the coagulant, after the water level measured by the water level range finder reaches a designated position, the water pump stops working, the labor consumption is less, the automation degree is higher, and the pumping work is safer.
2. After the water suction pump stops working, then control the singlechip, the motor work, the output shaft of motor drives the transmission shaft and rotates, and the transmission shaft rotates and then drives stirring piece and lower stirring piece and rotate, realizes the stirring process, makes the coagulant fully accomplish the absorption work with the turbidity in the waste water, and personnel can adjust the stirring rate in the filtering pond by oneself, fully mix coagulant and sewage, guarantees the abundant of removing turbidity, thereby can adjust waste water throughput and waste water's treatment rate by oneself according to the type of chemical plant discharge waste water.
3. After the reaction in the filtering pond is completed, the singlechip is controlled, the drainage pump is controlled to work, waste water passes through the filter screen and is led to the drainage pipe, water after turbidity removal is discharged through the drainage groove, when the water level measured by the water level range finder reaches the designated water level, the sewage suction pump is controlled to work, turbidity in the filtering pond is discharged through the sewage discharge pipe, the singlechip is controlled, the motor and the sewage suction pump are stopped to operate, the sewage turbidity removal operation is completed, the work flow is simple, the participation of manpower is reduced, the coordination of each structure is good, and the wastewater treatment operation of chemical plants is completed faster and simpler.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is a right side view of the present utility model;
in the figure: 1 a shell, 2 stirring mechanisms, 21 motors, 22 mounting rings, 23 fixing rods, 24 transmission rods, 25 connecting cylinders, 26 upper stirring sheets, 27 bottom connecting cylinders, 28 lower stirring sheets, 3 water level range finders, 4 blow-down pipes, 5 sewage suction pumps, 6 water pipes, 7 singlechips, 8 water suction pumps, 9 water inlet pipes, 10 water outlet pipes, 11 coagulant pouring mechanisms, 111 coagulant storages, 112 coagulant storage tanks, 113 coagulant pumping and pouring pipes, 114 coagulant conveying pumps, 12 filter screens and 13 filter plates.
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. 1-3, the present embodiment provides a technical solution: a chemical wastewater turbidity removal device comprises a filter tank 1, a stirring mechanism 2, a filter plate 13, a sewage suction pump 5 and a coagulant filling mechanism 11;
filter 1: the front end of the upper surface of the filter tank 1 is provided with a water delivery pipe 6, a boss at the bottom of the front surface of the filter tank 1 is fixedly connected with a water suction pump 8, the water delivery pipe 6 is communicated with a water outlet of the water suction pump 8, a water outlet at the bottom of the rear end of the filter tank 1 is provided with a water inlet pipe 10, a water inlet pipe 9 is arranged at a water inlet of the water suction pump 8, the water inlet pipe 9 penetrates through the boss at the bottom of the front surface of the filter tank 1, the middle part of the water outlet pipe 10 is connected with a pipe valve in series, the water suction pump 8 works to discharge wastewater into the filter tank 1 through the water delivery pipe 6, after the reaction in the filter tank 1 is completed, the pipe valve is opened, the wastewater is led to the water outlet pipe 10 through a filter screen 12, and the turbid water is discharged through the water outlet pipe 10;
stirring mechanism 2: it is arranged in the filter tank 1: the stirring mechanism 2 comprises a motor 21, a mounting ring 22, a fixed rod 23, a transmission rod 24, a connecting cylinder 25 and an upper stirring sheet 26, wherein the fixed rod 23 is uniformly and fixedly connected to the upper end of the inner wall of the filter tank 1, one ends of the three fixed rods 23, which are close to the center of the filter tank 1, are fixedly connected with the outer surface of the mounting ring 22, the upper surface of the mounting ring 22 is fixedly connected with the motor 21 through screws, an output shaft of the motor 21 is rotationally connected with the inner wall of the mounting ring 22 through a bearing, the transmission rod 24 is fixedly connected to the bottom end of the output shaft of the motor 21, the connecting cylinder 25 is fixedly sleeved outside the transmission rod 24, the outer surface of the connecting cylinder 25 is fixedly connected with three upper stirring sheets 26, the input end of the motor 21 is electrically connected with the input end of the single-chip microcomputer 7, the stirring mechanism 2 further comprises a bottom connecting cylinder 27 and a lower stirring sheet 28, the bottom connecting cylinder 27 is fixedly connected to the bottom of the transmission rod 24, the outer surface of the bottom connecting cylinder 27 is fixedly connected with three lower stirring sheets 28, the water level meter 3 is fixedly connected with the outer side surface of the mounting ring 22, the water level meter 3 is in two-way electrical connection with the single-chip microcomputer 7, and after the water level meter 3 measures a designated position, the motor 21 is controlled to reach the designated position, the motor 21 and the output shaft 24 is driven to rotate, the stirring sheet 24 is driven to rotate, and the stirring sheet 28 is driven to rotate;
filter plate 13: the filter plate 13 is arranged at the lower end of the inner wall of the filter tank 1, the upper and lower positions of the filter plate 13 correspond to those of the stirring mechanism 2, the filter screen 12 is respectively arranged at the uniformly distributed mounting openings at the upper end of the filter plate 13, and the wastewater passes through the filter screen 12 to finish the filtering work;
soil pick-up pump 5: the sewage suction device is arranged at the middle end of the right side surface of the filter tank 1, a sewage discharge pipe 4 is arranged at the sewage inlet of the sewage suction pump 5, the left end of the sewage discharge pipe 4 penetrates through the inner wall of the filter tank 1 and extends to the upper end of the filter plate 13, and the singlechip 7 controls the sewage suction pump 5 to work so as to discharge the turbid matters in the filter tank 1 through the sewage discharge pipe;
coagulant filling mechanism 11: the coagulant pouring mechanism 11 comprises a coagulant reservoir 111, a coagulant reservoir tank 112, a coagulant pumping and injecting pipe 113 and a coagulant conveying pump 114, wherein the coagulant reservoir 111 is fixedly connected to the lower end of the rear side of the filter tank 1, the upper surface of the coagulant reservoir 111 is provided with the coagulant reservoir tank 112, the bottom wall of the coagulant reservoir tank 112 is provided with the coagulant conveying pump 114, the discharge port of the coagulant conveying pump 114 is provided with the coagulant pumping and injecting pipe 113, the coagulant pumping and injecting pipe 113 is fixedly connected with the inner wall of a fixed sleeve at the upper end of the filter tank 1, the input end of the coagulant conveying pump 114 is electrically connected with the input end of the singlechip 7, and the singlechip 7 controls the coagulant conveying pump 114 to work so as to pump a certain amount of coagulant into the filter tank 1 through the coagulant pumping and injecting pipe 113;
wherein: the sewage treatment filter further comprises a singlechip 7, wherein the singlechip 7 is arranged on a boss on the front surface of the filter tank 1, the input end of the singlechip 7 is electrically connected with an external power supply, and the output end of the singlechip 7 is respectively electrically connected with the input ends of the sewage suction pump 5 and the water suction pump 8 to provide power for the sewage suction pump 5 and the water suction pump 8.
The working principle of the turbidity removal device for the chemical wastewater provided by the utility model is as follows: setting up the filter tank 1 on a designated station, controlling the singlechip 7, controlling the water suction pump 8 to work, discharging the wastewater into the filter tank 1 through the water inlet pipe 9, simultaneously, operating the coagulant delivery pump 114, pumping the coagulant in the coagulant storage tank 112 into the filter tank 1 through the coagulant pumping pipe 113, after the water level measured by the water level range finder 3 reaches the designated position, the water level range finder 3 timely presents detected data to the singlechip 7, the singlechip 7 controls the water suction pump 8 to stop working, then controlling the singlechip 7, the motor 21 to work, the output shaft of the motor 21 drives the transmission shaft 24 to rotate, the transmission shaft 24 rotates and then drives the upper stirring sheet 26 and the lower stirring sheet 28 to rotate, performing a stirring process, enabling the coagulant to fully adsorb the turbid matters in the wastewater, opening a pipe valve after the reaction in the filter tank 1 is completed, leading the wastewater to the drain pipe 10 through the filter screen 12, discharging the turbid-removed water through the drain pipe 10, controlling the singlechip 7 to operate the sewage suction pump 5 when the water level measured by the water level range finder 3 reaches the designated water level, discharging the turbid matters in the filter tank 1 through the sewage discharge pipe 7, and controlling the motor 21 to stop working, and completing the turbid matters removing work by controlling the singlechip 21
It should be noted that, in the above embodiment, the single chip microcomputer 7 is a PLC single chip microcomputer, the specific model is S7-200, the water pump 8 is a corrosion-resistant wear-resistant anti-blocking type water pump, the UHB-ZK model is recommended, the motor 21 is a YE3 model motor, the sewage pump 5 is a WQ200-30 model sewage pump, and the single chip microcomputer 7 controls the water pump 8, the motor 21 and the sewage pump 5 to work by methods commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a chemical industry waste water removes turbid device which characterized in that: comprises a filter tank (1), a stirring mechanism (2), a filter plate (13), a sewage suction pump (5) and a coagulant filling mechanism (11);
filter (1): the front end of the upper surface of the filter tank is provided with a water delivery pipe (6), a water suction pump (8) is fixedly connected to a boss at the bottom of the front surface of the filter tank (1), the water delivery pipe (6) is communicated with a water outlet of the water suction pump (8), and a water discharge pipe (10) is arranged at a water outlet at the bottom of the rear end of the filter tank (1);
stirring mechanism (2): the filter tank is arranged in the filter tank (1);
filter board (13): the filter plate (13) is arranged at the lower end of the inner wall of the filter tank (1), corresponds to the upper and lower positions of the stirring mechanism (2), and filter screens (12) are respectively arranged at the mounting openings uniformly distributed at the upper end of the filter plate (13);
soil pick-up pump (5): the sewage suction device is arranged at the middle end of the right side surface of the filter tank (1), a sewage discharge pipe (4) is arranged at a sewage inlet of the sewage suction pump (5), and the left end of the sewage discharge pipe (4) penetrates through the inner wall of the filter tank (1) and extends to the upper end of the filter plate (13);
coagulant pouring mechanism (11): the filter tank is arranged on a boss at the lower end of the rear side surface of the filter tank (1);
wherein: the filter tank is characterized by further comprising a singlechip (7), wherein the singlechip (7) is arranged on a boss on the front surface of the filter tank (1), the input end of the singlechip (7) is electrically connected with an external power supply, and the output end of the singlechip (7) is electrically connected with the input ends of the sewage suction pump (5) and the water suction pump (8) respectively.
2. The turbidity removal device for chemical wastewater according to claim 1, wherein a water inlet pipe (9) is arranged at a water inlet of the water suction pump (8), and the water inlet pipe (9) penetrates through a boss at the bottom of the front surface of the filter tank (1).
3. The chemical wastewater turbidity removal device of claim 1, wherein: the stirring mechanism (2) comprises a motor (21), a mounting ring (22), a fixing rod (23) and a transmission rod (24), a connecting cylinder (25) and an upper stirring sheet (26), wherein the fixing rod (23) is uniformly and fixedly connected to the upper end of the inner wall of the filter tank (1), one ends of the three fixing rods (23) close to the center of the filter tank (1) are fixedly connected with the outer surface of the mounting ring (22), the upper surface of the mounting ring (22) is fixedly connected with the motor (21) through screws, an output shaft of the motor (21) is rotatably connected with the inner wall of the mounting ring (22) through a bearing, the transmission rod (24) is fixedly connected with the bottom end of the output shaft of the motor (21), the connecting cylinder (25) is fixedly sleeved on the outer side of the transmission rod (24), the outer surface of the connecting cylinder (25) is fixedly connected with the three upper stirring sheets (26), and the input end of the motor (21) is electrically connected with the input end of the single chip microcomputer (7).
4. A chemical wastewater turbidity removal device according to claim 3, wherein: the stirring mechanism (2) further comprises a bottom connecting cylinder (27) and lower stirring sheets (28), the bottom connecting cylinder (27) is fixedly connected to the bottom of the transmission rod (24), and three lower stirring sheets (28) are fixedly connected to the outer surface of the bottom connecting cylinder (27).
5. A chemical wastewater turbidity removal device according to claim 3, wherein: the water level range finder (3) is fixedly connected to the outer side face of the mounting ring (22), and the water level range finder (3) is in bidirectional electric connection with the singlechip (7).
6. The chemical wastewater turbidity removal device of claim 1, wherein: coagulant pouring mechanism (11) are including coagulant reservoir (111), coagulant storage tank (112), coagulant pump and annotate pipe (113) and coagulant delivery pump (114), the rear side lower extreme in filtering pond (1) is offered to coagulant reservoir (111) upper surface, and coagulant storage tank (112) is offered to the upper surface of coagulant reservoir (111), and the diapire in coagulant storage tank (112) is equipped with coagulant delivery pump (114), and the discharge gate department of coagulant delivery pump (114) is equipped with coagulant pump and annotates pipe (113), and coagulant pump and the fixed cover inner wall fixed connection of filtering pond (1) upper end of pipe (113), the input of singlechip (7) is connected to the input electricity of coagulant delivery pump (114).
7. The chemical wastewater turbidity removal device of claim 1, wherein: the middle part of the drain pipe (10) is connected with a pipe valve in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173151.4U CN220564337U (en) | 2023-08-14 | 2023-08-14 | Chemical wastewater turbidity removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173151.4U CN220564337U (en) | 2023-08-14 | 2023-08-14 | Chemical wastewater turbidity removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220564337U true CN220564337U (en) | 2024-03-08 |
Family
ID=90092398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322173151.4U Active CN220564337U (en) | 2023-08-14 | 2023-08-14 | Chemical wastewater turbidity removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220564337U (en) |
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2023
- 2023-08-14 CN CN202322173151.4U patent/CN220564337U/en active Active
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