CN215855452U - Integrated treatment device for toilet sewage - Google Patents
Integrated treatment device for toilet sewage Download PDFInfo
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- CN215855452U CN215855452U CN202120859531.1U CN202120859531U CN215855452U CN 215855452 U CN215855452 U CN 215855452U CN 202120859531 U CN202120859531 U CN 202120859531U CN 215855452 U CN215855452 U CN 215855452U
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Abstract
The utility model relates to an integrated treatment device for toilet sewage, which comprises a coagulating sedimentation tank, a dosing mechanism, an ozone reaction tank, an ozone generator, an activated carbon filter tank, a sludge discharge mechanism, a sludge removal mechanism and the coagulating sedimentation tank which can be spliced together in a modularized way, ozone retort, the tail gas treatment jar that activated carbon filters jar and connects, coagulating sedimentation case, add medicine mechanism, activated carbon filters the jar, desliming mechanism bottom all is equipped with the bottom plate, the bottom plate can splice together, it includes two cartridge cases to add medicine mechanism, install the medicine pump on the cartridge case, coagulating sedimentation case one side is equipped with two and mixes the medicine case that the cartridge case corresponds, it advances the pencil to mix to be connected with between medicine case and the cartridge case that corresponds, be connected with communicating pipe one between coagulating sedimentation case one side upper portion and ozone retort one side bottom, upper portion is connected with communicating pipe two between ozone retort and the activated carbon filter jar. The utility model has convenient disassembly and assembly, simple operation and maintenance and convenient sewage treatment.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to an integrated treatment device for toilet sewage.
Background
The existing equipment for treating the sewage in the toilet is basically conventional process equipment, a more common treatment mode is microbial biochemical treatment and comprises anaerobic treatment and aerobic treatment, wherein the anaerobic treatment utilizes the high-temperature fermentation of a septic tank to convert organic matters into methane, but the anaerobic environment construction and the high-temperature control are unstable, so that the final anaerobic treatment is difficult to achieve an ideal effect, toxic and harmful gases are easily generated due to the unsatisfactory anaerobic fermentation, and the harm is easily caused to personnel when the septic tank is cleared. Aerobic treatment often utilizes integrated equipment to cultivate activated sludge, and utilizes the decomposition effect of microorganisms on organic matters and the solid-liquid separation effect of a sedimentation tank to reach the final discharge requirement, but the aerobic treatment equipment needs to be installed, debugged and operated, especially the debugging process needs professionals to cultivate activated sludge, the operation stage needs operators to pay attention to the properties of the activated sludge at any time, once water fluctuates, the activated sludge is impacted, operation parameters need to be changed, and the equipment lacks flexibility and can not realize one set of multiple purposes, and once the equipment stops water inlet for a long time, the equipment needs to cultivate sludge again after being started again.
How to overcome many defects in the traditional process, the research and development of a processing device which is efficient, convenient to disassemble and assemble, quick to start, simple and practical in operation and maintenance is urgent.
Disclosure of Invention
The present invention has been made in view of the above problems, and provides an integrated treatment apparatus for toilet sewage.
In order to achieve the purpose, the utility model adopts the following technical scheme: an integrated treatment device for toilet sewage, which comprises a coagulating sedimentation tank, a dosing mechanism, an ozone reaction tank, an ozone generator, an active carbon filter tank, a sludge discharge mechanism and a sludge discharge mechanism which are spliced together in a modularized manner, and also comprises a tail gas treatment tank connected with the coagulating sedimentation tank, the ozone reaction tank and the active carbon filter tank, wherein the coagulating sedimentation tank, the dosing mechanism, the active carbon filter tank and the sludge discharge mechanism are respectively provided with a bottom plate at the bottom, the bottom plates can be spliced together, the dosing mechanism comprises two medicine tanks and a medicine pump arranged on the medicine tanks, one side of the coagulating sedimentation tank is provided with two medicine mixing tanks corresponding to the medicine tanks, a medicine inlet pipe is connected between the medicine mixing tanks and the corresponding medicine tanks, the medicine inlet pipe is connected with the medicine pump, a stirring mechanism is arranged in the medicine mixing tank, a vertical installation pipe is fixedly arranged at the center of the top in the coagulating sedimentation tank, and a water guide pipe penetrating into the upper part in the installation pipe is connected on the medicine mixing tank, the top of the medicine mixing box is provided with a sewage inlet, one side of the coagulating sedimentation box is provided with a water inlet box, the water inlet box is provided with a water inlet mechanism connected with the sewage inlet, the water inlet box is internally provided with a crushing mechanism for crushing large sundries, one side of the top of the water inlet box is provided with a water inlet, an ozone generator is arranged on the bottom plate of the coagulating sedimentation box, an ozone reaction tank is arranged on the bottom plate of the medicine adding mechanism, an air inlet pipe on the ozone generator is connected with the bottom of the ozone reaction tank, a first communicating pipe is connected between the upper part of one side of the coagulating sedimentation box and the bottom of one side of the ozone reaction tank, a second communicating pipe is connected between the ozone reaction tank and an active carbon filter tank, the bottom of the active carbon filter tank is provided with a water outlet, a tail gas treatment tank is arranged on the bottom plate of the active carbon filter tank, a mud discharging mechanism is arranged on the bottom plate of the medicine adding mechanism, the mud discharging mechanism comprises a mud discharging pipe connected with the bottom of the coagulating sedimentation box and a screw pump connected with the mud discharging pipe, the mud removing mechanism comprises a screw stacking dehydrator connected with a screw pump, and a mud outlet and a dewatering pipe connected with a coagulating sedimentation tank are arranged on the screw stacking dehydrator.
Particularly, angle steel is arranged on the contact surface of the adjacent bottom plates, the adjacent bottom plates penetrate through the angle steel through bolts and are fixed through screwing nuts, and self-locking wheels are arranged at the bottoms of the bottom plates.
Particularly, the bottom of the medicine cylinder is fixedly provided with a bracket, one side of the medicine mixing box is fixedly provided with a support rod, the ozone generator is positioned at the bottom of the medicine mixing box, and the screw pump is positioned at the bottom of the medicine cylinder.
Particularly, the stirring mechanism comprises a motor I arranged at the top of the medicine mixing box, a stirring shaft connected with an output shaft of the motor I and penetrating into the medicine mixing box, and a stirring blade fixedly connected to the bottom of the stirring shaft.
Particularly, the lower part of the inner wall of the ozone reaction tank is fixedly provided with an aeration disc, an air inlet pipe on an ozone generator penetrates into the ozone reaction tank to be connected with the aeration disc, the middle part of the inner wall of the ozone reaction tank is provided with a net cage I, and an ozone catalytic filler is filled in the net cage I.
Particularly, the screw pump is connected with a mud inlet pipeline and a mud outlet pipeline, the mud inlet pipeline is connected with a mud discharge pipe, and the mud outlet pipeline is connected with the screw-stacking dehydrator.
Particularly, a second net cage is fixedly arranged on the inner wall of the activated carbon filter tank, and activated carbon particles are filled in the second net cage.
Particularly, the top parts of the coagulating sedimentation tank, the ozone reaction tank and the activated carbon filtering tank are all connected with exhaust pipes connected with a tail gas treatment tank.
The water inlet mechanism comprises a filter screen, a water inlet pump, a water inlet pipe and a water outlet pipe, wherein the filter screen is installed on one side in the water inlet tank, the water inlet pump is connected to the water inlet tank, the water inlet pipe is connected to the water inlet pump, the water inlet pipe penetrates into the water inlet tank, the water outlet pipe is connected with a sewage inlet, the filter screen is located between the water inlet and the water inlet pipe, the top of the water inlet tank is hinged to a sealing cover corresponding to the filter screen, and the filter screen is inserted into the inner wall of the water inlet tank in a sliding mode.
Particularly, the crushing mechanism comprises a second motor, a crushing shaft and a plurality of pairs of crushing knives, wherein the second motor is arranged on one side of the water inlet tank, which is close to the water inlet, the crushing shaft is connected with an output shaft of the second motor and penetrates into the water inlet tank, the crushing knives are fixedly connected to the crushing shaft, and the crushing shaft is not in contact with the filter screen.
The utility model has the beneficial effects that: the sewage treatment device is provided with the water inlet tank, the water inlet mechanism, the filter screen and the crushing mechanism, the water inlet tank is arranged in a closed manner, so that the sewage is conveniently filtered, and the filtered large sundries are conveniently crushed and are convenient for subsequent treatment; by arranging the coagulating sedimentation box, the medicine dispensing box, the medicine box and the stirring mechanism, the liquid medicine is conveniently and uniformly mixed with the sewage, the flocculation effect of impurities is enhanced, and the dirt is conveniently precipitated; by arranging an ozone generator, an ozone reaction tank and an active carbon filter tank. The sewage after precipitation is convenient to be sterilized and filtered, and the sewage is further purified; by arranging the sludge discharge mechanism, the sludge removal mechanism and the tail gas treatment tank, the treatment of sediments is convenient, and no peculiar smell or ozone pungent smell is generated in the sewage treatment process; through the bottom plate that sets up the concatenation, from the locking wheel for each module concatenation of sewage treatment is convenient, and the dismouting of being convenient for is removed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the location of the installation tube of the present invention;
FIG. 3 is a schematic view of the cartridge and dosing box connection of the present invention;
FIG. 4 is a schematic view of the position of the mud pipe of the present invention;
FIG. 5 is a schematic view of the connection between the coagulation sedimentation tank and the ozone reaction tank according to the present invention;
FIG. 6 is a schematic view of the connection of an ozone reaction tank and an activated carbon filtration tank according to the present invention;
FIG. 7 is a schematic view of the screw pump and the coagulating sedimentation tank of the present invention in connection;
in the figure: 1-a coagulating sedimentation tank; 2-an ozone reaction tank; 3-an ozone generator; 4-an active carbon filter tank; 5-a tail gas treatment tank; 6-a bottom plate; 7-a cartridge; 8-a medicine pump; 9-mixing the pesticide box; 10-a medicine inlet pipe; 11-installing a tube; 12-a water conduit; 13-a water inlet tank; 14-a water inlet; 15-communicating pipe one; 16-communicating pipe two; 17-a sludge discharge pipe; 18-screw pump; 19-stacking a spiral dehydrator; 20-a scaffold; 21-a support bar; 22-a first motor; 23-stirring shaft; 24-stirring blades; 25-a mud inlet pipeline; 26-a mud outlet pipeline; 27-a filter screen; 28-a water inlet pump; 29-water outlet pipe; 30-motor two; 31-crushing shaft; 32-crushing knife;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figures 1-7, an integrated treatment device for toilet sewage comprises a coagulating sedimentation tank 1, a dosing mechanism, an ozone reaction tank 2, an ozone generator 3, an active carbon filter tank 4, a sludge discharge mechanism and a sludge removal mechanism, wherein the coagulating sedimentation tank 1, the dosing mechanism, the ozone reaction tank 2, the ozone generator 3, the active carbon filter tank 4, the sludge discharge mechanism and the sludge removal mechanism can be spliced together in a modularization way, the integrated treatment device also comprises a tail gas treatment tank 5 connected with the coagulating sedimentation tank 1, the ozone reaction tank 2 and the active carbon filter tank 4, the coagulating sedimentation tank 1, the dosing mechanism, the active carbon filter tank 4 and the sludge removal mechanism are respectively provided with a bottom plate 6 at the bottom, the bottom plates 6 can be spliced together, an angle steel is arranged on the contact surface of the adjacent bottom plates 6, the adjacent bottom plates 6 are fixed by penetrating through bolts and nuts, a self-locking wheel is arranged at the bottom of the bottom plates 6,
the dosing mechanism comprises two medicine cartridges 7 and a medicine pump 8 arranged on the medicine cartridges 7, two medicine mixing boxes 9 corresponding to the medicine cartridges 7 are arranged on one side of the coagulating sedimentation box 1, a medicine inlet pipe 10 is connected between each medicine mixing box 9 and the corresponding medicine cartridge 7, the medicine inlet pipe 10 is connected with the medicine pump 8, a support 20 is fixedly arranged at the bottom of each medicine cartridge 7, a support rod 21 is fixedly arranged on one side of each medicine mixing box 9, the ozone generator 3 is positioned at the bottom of each medicine mixing box 9, a stirring mechanism is arranged in each medicine mixing box 9 and comprises a motor I22 arranged at the top of the medicine mixing box 9, a stirring shaft 23 connected with an output shaft of the motor I22 and penetrating into the medicine mixing box 9, and stirring blades 24 fixedly connected at the bottom of the stirring shaft 23, a vertical installation pipe 11 is fixedly arranged at the center of the top in the coagulating sedimentation box 1, and a water guide pipe 12 penetrating into the upper part of the installation pipe 11 is connected on the medicine mixing box 9,
the top of the mixed medicine box 9 is provided with a sewage inlet, one side of the coagulating sedimentation box 1 is provided with a water inlet box 13, the water inlet box 13 is provided with a water inlet mechanism connected with the sewage inlet, the water inlet box 13 is internally provided with a crushing mechanism for crushing large sundries, one side of the top of the water inlet box 13 is provided with a water inlet 14, the water inlet mechanism comprises a filter screen 27 arranged on one side of the water inlet box 13, a water inlet pump 28 connected on the water inlet box 13, a water inlet pipe and a water outlet pipe 29 connected on the water inlet pump 28, the water inlet pipe penetrates into the water inlet box 13, the water outlet pipe 29 is connected with the sewage inlet, the filter screen 27 is positioned between the water inlet 14 and the water inlet pipe, the top of the water inlet box 13 is hinged with a sealing cover corresponding to the filter screen 27, the filter screen 27 is slidably inserted into the inner wall of the water inlet box 13, the crushing mechanism comprises a motor II 30 arranged on one side of the water inlet box 13 close to the water inlet 14 and a crushing shaft 31 connected with an output shaft of the motor II 30 and penetrating into the water inlet box 13, A plurality of pairs of crushing blades 32 fixed on the crushing shaft 31, the crushing shaft 31 is not contacted with the filter screen 27,
an ozone generator 3 is arranged on a bottom plate 6 of a coagulating sedimentation box 1, an ozone reaction tank 2 is arranged on the bottom plate 6 of a dosing mechanism, an air inlet pipe on the ozone generator 3 is connected with the bottom of the ozone reaction tank 2, an aeration disc is fixedly arranged on the lower part of the inner wall of the ozone reaction tank 2, the air inlet pipe on the ozone generator 3 penetrates into the ozone reaction tank 2 and is connected with the aeration disc, a net cage I is arranged in the middle of the inner wall of the ozone reaction tank 2, an ozone catalytic filler is filled in the net cage I, a communicating pipe I15 is connected between the upper part of one side of the coagulating sedimentation box 1 and the bottom of one side of the ozone reaction tank 2,
a communicating pipe II 16 is connected at the upper part between the ozone reaction tank 2 and the active carbon filter tank 4, a water outlet is arranged at the bottom of the active carbon filter tank 4, a net cage II is fixedly arranged on the inner wall of the active carbon filter tank 4, active carbon particles are filled in the net cage II, a tail gas treatment tank 5 is arranged on a bottom plate 6 of the active carbon filter tank 4, exhaust pipes connected with the tail gas treatment tank 5 are connected at the top parts of the coagulating sedimentation tank 1, the ozone reaction tank 2 and the active carbon filter tank 4,
the sludge discharge mechanism is installed on the bottom plate 6 of the chemical feeding mechanism, the sludge discharge mechanism comprises a sludge discharge pipe 17 connected to the bottom of the coagulating sedimentation tank 1 and a screw pump 18 connected with the sludge discharge pipe 17, the screw pump 18 is located at the bottom of the chemical cartridge 7, the sludge discharge mechanism comprises a screw stacking dehydrator 19 connected with the screw pump 18, a sludge outlet and a dewatering pipe connected with the coagulating sedimentation tank 1 are arranged on the screw stacking dehydrator 19, a sludge inlet pipeline 25 and a sludge outlet pipeline 26 are connected to the screw pump 18, the sludge inlet pipeline 25 is connected with the sludge discharge pipe 17, and the sludge outlet pipeline 26 is connected with the screw stacking dehydrator 19.
When the utility model works, the toilet sewage enters the water inlet tank 13, then the large dirt is intercepted by the filter screen 27, the large dirt is crushed under the action of the crushing mechanism, the filtered sewage is pumped into the medicine mixing tank 9 by the water inlet pump 28, the medicine is pumped into the medicine mixing tank 9 by the medicine pump 8, the medicine and the sewage are uniformly mixed under the action of the stirring mechanism, then the medicine and the sewage are led into the installation pipe 11 by the guide pipe 12, then the sewage flows into the coagulating sedimentation tank 1, after a period of sedimentation, solid-liquid separation is carried out, the supernatant enters the ozone reaction tank 2 by the communicating pipe one 15, meanwhile, the ozone generator 3 introduces the generated ozone into the ozone reaction tank 2, so that the sewage and the ozone and the catalytic filler are fully reacted, the effluent enters the active carbon filter tank 4 by the communicating pipe two 16, the active carbon filler with high adsorption capacity is filled in the tank, the suspended matters of effluent are ensured to be stable and reach the standard, the sludge dehydrator is discharged into the screw pump 19 by the screw pump 18 for dehydration treatment, the tail gas that produces in the interim is discharged into the interior processing of tail gas treatment tank 5, regularly opens the sealed lid on the case 13 of intaking, takes out filter screen 27 and clears up or change, avoids its jam to influence follow-up use. The utility model has convenient assembly and disassembly and good sewage treatment effect.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.
Claims (10)
1. An integrated treatment device for toilet sewage, which is characterized by comprising a coagulating sedimentation tank (1), a dosing mechanism, an ozone reaction tank (2), an ozone generator (3), an active carbon filter tank (4), a sludge discharge mechanism and a sludge removal mechanism which can be spliced together in a modularized way, and also comprising a tail gas treatment tank (5) connected with the coagulating sedimentation tank (1), the ozone reaction tank (2) and the active carbon filter tank (4), wherein the coagulating sedimentation tank (1), the dosing mechanism, the active carbon filter tank (4) and the sludge removal mechanism are respectively provided with a bottom plate (6), the bottom plates (6) can be spliced together, the dosing mechanism comprises two medicine cartridges (7) and a medicine pump (8) arranged on the medicine cartridges (7), one side of the coagulating sedimentation tank (1) is provided with two medicine mixing tanks (9) corresponding to the medicine cartridges (7), and a medicine inlet pipe (10) is connected between the medicine mixing tanks (9) and the corresponding medicine cartridges (7), the medicine inlet pipe (10) is connected with the medicine pump (8), a stirring mechanism is arranged in the medicine mixing box (9), a vertical installation pipe (11) is fixedly arranged at the center of the inner top of the coagulating sedimentation box (1), a water guide pipe (12) penetrating into the inner upper part of the installation pipe (11) is connected on the medicine mixing box (9), a sewage inlet is arranged at the top of the medicine mixing box (9), a water inlet box (13) is arranged on one side of the coagulating sedimentation box (1), a water inlet mechanism connected with the sewage inlet is arranged on the water inlet box (13), a crushing mechanism for crushing large sundries is arranged in the water inlet box (13), a water inlet (14) is arranged on one side of the top of the water inlet box (13), the ozone generator (3) is arranged on the bottom plate (6) of the coagulating sedimentation box (1), the ozone reaction tank (2) is arranged on the bottom plate (6) of the medicine adding mechanism, an air inlet pipe on the ozone generator (3) is connected to the bottom of the ozone reaction tank (2), be connected with communicating pipe (15) between coagulating sedimentation case (1) one side upper portion and ozone retort (2) one side bottom, upper portion is connected with communicating pipe two (16) between ozone retort (2) and active carbon filter jar (4), active carbon filter jar (4) bottom is equipped with the delivery port, install on bottom plate (6) of active carbon filter jar (4) tail gas treatment jar (5), arrange mud mechanism and install on bottom plate (6) of adding medicine mechanism, arrange mud mechanism including connecting mud pipe (17) in coagulating sedimentation case (1) bottom, screw pump (18) of being connected with mud pipe (17), desliming mechanism includes overlapping spiral shell hydroextractor (19) of being connected with screw pump (18), be equipped with the drain outlet on overlapping spiral shell hydroextractor (19) and the dehydration tube of being connected with coagulating sedimentation case (1).
2. The integrated treatment device for the toilet sewage according to claim 1, wherein an angle steel is arranged on the contact surface of the adjacent bottom plates (6), the adjacent bottom plates (6) are fixed by bolts penetrating through angle steel screwing nuts, and self-locking wheels are arranged at the bottoms of the bottom plates (6).
3. The integrated treatment device for the toilet sewage according to claim 2, wherein the bracket (20) is fixedly arranged at the bottom of the cartridge (7), the support rod (21) is fixedly arranged at one side of the medicine mixing tank (9), the ozone generator (3) is positioned at the bottom of the medicine mixing tank (9), and the screw pump (18) is positioned at the bottom of the cartridge (7).
4. The integrated toilet sewage treatment device according to claim 3, wherein the stirring mechanism comprises a first motor (22) arranged at the top of the mixing box (9), a stirring shaft (23) connected with an output shaft of the first motor (22) and penetrating into the mixing box (9), and a stirring blade (24) fixedly connected at the bottom of the stirring shaft (23).
5. The integrated treatment device for the toilet sewage according to claim 4, wherein an aeration disc is fixedly arranged at the lower part of the inner wall of the ozone reaction tank (2), an air inlet pipe on the ozone generator (3) penetrates into the ozone reaction tank (2) to be connected with the aeration disc, a net cage I is arranged in the middle of the inner wall of the ozone reaction tank (2), and an ozone catalytic filler is filled in the net cage I.
6. The integrated toilet sewage treatment device of claim 5, wherein the screw pump (18) is connected with a sludge inlet pipeline (25) and a sludge outlet pipeline (26), the sludge inlet pipeline (25) is connected with the sludge discharge pipe (17), and the sludge outlet pipeline (26) is connected with the screw-stacking dehydrator (19).
7. The integrated treatment device for the toilet sewage as claimed in claim 6, wherein a second net cage is fixedly arranged on the inner wall of the activated carbon filter tank (4), and activated carbon particles are filled in the second net cage.
8. The integrated treatment device for the toilet sewage according to claim 7, wherein the top of the coagulating sedimentation tank (1), the top of the ozone reaction tank (2) and the top of the activated carbon filter tank (4) are connected with exhaust pipes connected with the tail gas treatment tank (5).
9. The integrated treatment device for the sewage in the toilet, according to claim 8, is characterized in that the water inlet mechanism comprises a filter screen (27) which is detachably arranged at one side in the water inlet tank (13), a water inlet pump (28) which is connected with the water inlet tank (13), a water inlet pipe which is connected with the water inlet pump (28) and a water outlet pipe (29), the water inlet pipe penetrates into the water inlet tank (13), the water outlet pipe (29) is connected with the sewage inlet, the filter screen (27) is positioned between the water inlet (14) and the water inlet pipe, the top of the water inlet tank (13) is hinged with a sealing cover which corresponds to the filter screen (27), and the filter screen (27) is inserted into the inner wall of the water inlet tank (13) in a sliding way.
10. The integrated toilet sewage treatment device of claim 9, wherein the crushing mechanism comprises a second motor (30) arranged on one side of the water inlet tank (13) close to the water inlet (14), a crushing shaft (31) connected with an output shaft of the second motor (30) and penetrating into the water inlet tank (13), and a plurality of pairs of crushing blades (32) fixedly connected to the crushing shaft (31), and the crushing shaft (31) is not in contact with the filter screen (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859531.1U CN215855452U (en) | 2021-04-25 | 2021-04-25 | Integrated treatment device for toilet sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859531.1U CN215855452U (en) | 2021-04-25 | 2021-04-25 | Integrated treatment device for toilet sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215855452U true CN215855452U (en) | 2022-02-18 |
Family
ID=80315531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120859531.1U Active CN215855452U (en) | 2021-04-25 | 2021-04-25 | Integrated treatment device for toilet sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215855452U (en) |
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2021
- 2021-04-25 CN CN202120859531.1U patent/CN215855452U/en active Active
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