CN218434965U - Domestic sewage purification device - Google Patents
Domestic sewage purification device Download PDFInfo
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- CN218434965U CN218434965U CN202222150601.3U CN202222150601U CN218434965U CN 218434965 U CN218434965 U CN 218434965U CN 202222150601 U CN202222150601 U CN 202222150601U CN 218434965 U CN218434965 U CN 218434965U
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Abstract
The utility model provides a domestic sewage purification device, relating to the technical field of domestic sewage purification devices, comprising a purification tank and a dosing device communicated with the purification tank, wherein the top of the purification tank is communicated with a water inlet pipe, the bottom of the purification tank is provided with a water outlet, and the inside of the purification tank is provided with a stirring device; agitating unit includes rotating electrical machines and rotation axis, and the rotation axis extends into the inside tip of purifying jar and is provided with first connecting plate and the second connecting plate that sets up side by side at the interval, and the intercommunication mouth with the delivery port intercommunication is seted up at the middle part of second connecting plate, and the centre gripping has a plurality of stirring blades between first connecting plate and the second connecting plate, and stirring blade encircles intercommunication mouth interval distribution. In use, the first connecting plate, the second connecting plate and the agitating blade are rotated in synchronization. Because of stirring the blade and surrounding the setting of intercommunication mouth, sewage must be through stirring the blade before entering the intercommunication mouth to guarantee that sewage can certainly be stirred by stirring the blade before the discharge, make sewage can react more fully.
Description
Technical Field
The utility model relates to a domestic sewage purification device technical field, more specifically relates to a domestic sewage purification device.
Background
Sewage treatment is a process of purifying sewage to meet the requirement of draining a certain water body or reusing the water body. 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 is increasingly used in daily life of common people. Topics regarding water pollution, especially groundwater pollution problems, are constantly being raised.
In the conventional sewage purification apparatus, there is a method of purifying sewage by a specific chemical. For example, publication nos.: CN216972202U (published as 20220715) discloses a domestic sewage purification device. It adds into sewage purification jar with sewage to add the medicament into sewage purification jar through charge device, stir the mixture through agitating unit to sewage and medicament, with the purification of realization sewage.
To the above mode, the mixed effect of sewage and medicament plays a decisive role to the sewage purification effect. If the blades of the stirring device are unreasonable in arrangement, the situation that sewage and medicament completely flow out from the liquid outlet without mixing reaction can occur, and the sewage purification effect is limited. Therefore, the blade arrangement mode of the stirring device has certain optimization space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a domestic sewage purification device improves agitating unit's blade, can strengthen the mixed effect of medicament and sewage to solve the problem in the background art.
The embodiment of the utility model is realized like this:
the utility model provides a domestic sewage purification device in some embodiments, which comprises a purification tank and a dosing device communicated with the purification tank, wherein the top of the purification tank is communicated with a water inlet pipe, the bottom of the purification tank is provided with a water outlet, and the inside of the purification tank is provided with a stirring device;
the stirring device comprises a rotating motor and a rotating shaft, one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft extends into the purification tank; the end part of the rotating shaft extending into the purifying tank is provided with a stirring structure;
mix the structure including first connecting plate and the second connecting plate that the interval set up side by side, the lateral wall and the rotation axis of first connecting plate are connected, and the intercommunication mouth with the delivery port intercommunication is seted up at the middle part of second connecting plate, and the centre gripping has a plurality of blades of stirring between first connecting plate and the second connecting plate, stirs the blade and encircles intercommunication mouthful interval distribution.
In some embodiments of the invention, the agitator blades have multiple layers, with the multiple layers being nested in sequence.
The utility model discloses an in some embodiments, the border of delivery port is provided with the inside intercommunication section of thick bamboo of orientation purification jar, and a intercommunication section of thick bamboo is worn to locate the intercommunication mouth and is set up.
In some embodiments of the utility model, the second connecting plate is discoid, and the swivelling chute that matches with the second connecting plate is seted up to the bottom inside wall of purifying tank, and the delivery port is located the diapire central point of swivelling chute and puts, and the second connecting plate rotates and sets up in the swivelling chute.
In some embodiments of the present invention, the stirring blades are distributed around the outer side wall of the rotation shaft.
In some embodiments of the present invention, the bottom of the stirring fan blades is disposed obliquely toward the rotation direction of the rotation shaft.
The utility model discloses an in some embodiments, charge device includes storage box and communicating pipe, and the storage box is provided with the dosing pump through communicating pipe and purifying tank intercommunication, communicating pipe, and the top of storage box is provided with the medicine mouth.
The utility model discloses an in some embodiments, be provided with the filter screen in the purifying tank, the filter screen is located the bottom position of inlet tube, and the inlet tube is provided with inlet valve.
The utility model discloses an in some embodiments, delivery port bottom intercommunication has out the liquid pipeline, goes out the liquid pipeline and includes the deposit section of vertical setting and the circulation section that the level set up, the top and the delivery port intercommunication of deposit section, and the bottom of deposit section is open end, and the bottom shutoff of deposit section has the blowoff valve, and the circulation section communicates with the lateral wall of deposit section.
In some embodiments of the present invention, the side wall of the purification tank is provided with a transparent observation window.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the utility model provides a domestic sewage purification device, which comprises a purification tank and a dosing device communicated with the purification tank, wherein the top of the purification tank is communicated with a water inlet pipe, the bottom of the purification tank is provided with a water outlet, and the inside of the purification tank is provided with a stirring device; the stirring device comprises a rotating motor and a rotating shaft, one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft extends into the purification tank; the end part of the rotating shaft extending into the purifying tank is provided with a stirring structure; mix the structure including first connecting plate and the second connecting plate that the interval set up side by side, the lateral wall and the rotation axis of first connecting plate are connected, and the intercommunication mouth with the delivery port intercommunication is seted up at the middle part of second connecting plate, and the centre gripping has a plurality of blades of stirring between first connecting plate and the second connecting plate, stirs the blade and encircles intercommunication mouthful interval distribution.
In sewage enters into the purifying tank from the inlet tube, in the medicament enters into the purifying tank from charge device, intensive mixing was in order to realize the purification to sewage under medicament and sewage agitating unit's the stirring, and the sewage after the purification was followed intercommunication mouth and is flowed inlet outlet, final discharge. In use, the first connecting plate, the second connecting plate and the agitating blade are rotated in synchronization. Because of stirring the blade and surrounding the intercommunication mouth setting for sewage must be through stirring the blade before entering into the intercommunication mouth, thereby guarantee that sewage must be stirred by stirring the blade before discharging, make sewage can react more fully, guarantee the sewage treatment effect.
The utility model discloses agitating unit's structure is for traditional mode that sets up the blade at the rotation axis lateral wall, can not appear not being stirred just from the condition that the delivery port flows on the sewage. Even can produce certain stirring through the flow of sewage with the sewage of blade contact in the traditional scheme, but sewage in this scheme must can further promote the stirring effect with the mode of stirring blade contact, has strengthened sewage purification effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of a domestic sewage purification device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second connecting plate with two layers of stirring blades according to an embodiment of the present invention;
FIG. 3 is a sectional view of a portion of the enlarged structure at A in FIG. 1;
fig. 4 is a schematic view of the stirring structure and the stirring fan blade according to the embodiment of the present invention.
Icon: 1-a purification tank; 2-water inlet pipe; 3, a water outlet; 4-a rotating electrical machine; 5-a rotating shaft; 6-a first connecting plate; 7-a second connecting plate; 8-a communication port; 9-stirring blades; 10-a communication cylinder; 11-a rotating trough; 12-stirring fan blades; 13-a storage box; 14-communicating tube; 15-a dosing pump; 16-a medicine adding port; 17-a filter screen; 18-a water inlet valve; 19-a deposition section; 20-a flow-through section; 21-a blowdown valve; 22-transparent viewing window.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Please refer to fig. 1-4.
The utility model provides a domestic sewage purification device: the device comprises a purification tank 1 and a dosing device communicated with the purification tank 1, wherein the top of the purification tank 1 is communicated with a water inlet pipe 2, the bottom of the purification tank 1 is provided with a water outlet 3, and a stirring device is arranged in the purification tank 1; the stirring device comprises a rotating motor 4 and a rotating shaft 5, one end of the rotating shaft 5 is connected with the rotating motor 4, and the other end of the rotating shaft 5 extends into the purification tank 1; the end of the rotating shaft 5 extending into the interior of the purification tank 1 is provided with a stirring structure; mix the structure including first connecting plate 6 and the second connecting plate 7 that the interval set up side by side, the lateral wall and the rotation axis 5 of first connecting plate 6 are connected, and the intercommunication mouth 8 with 3 intercommunications of delivery port is seted up at the middle part of second connecting plate 7, and the centre gripping has a plurality of stirring vane 9 between first connecting plate 6 and the second connecting plate 7, and stirring vane 9 encircles 8 interval distribution of intercommunication mouth.
In the present embodiment, the rotary electric machine 4 of type YE4 is selected. Rotating electrical machines 4 are located the top position of purifying tank 1, and the vertical setting of rotation axis 5 is in rotating electrical machines 4's bottom, and the top of rotation axis 5 is connected with rotating electrical machines 4's output shaft, stirs the bottom that the structure is located rotation axis 5. First connecting plate 6 and the parallel interval setting of second connecting plate 7, first connecting plate 6 welding or bolted connection are in the bottom of rotation axis 5, and intercommunication mouth 8 is located the central point of second connecting plate 7 and puts, and intercommunication mouth 8 sets up with rotation axis 5 is coaxial, purifies the same coaxial setting with rotation axis 5 of delivery port 3 of the bottom of jar 1 for second connecting plate 7 is when rotatory, and intercommunication mouth 8 aligns all the time with delivery port 3. The number of the agitating blades 9 is fifteen, the agitating blades 9 are welded and fixed to the first connecting plate 6 and the second connecting plate 7, and fifteen agitating blades 9 are uniformly distributed around the communication port 8. In other embodiments, the number of the agitating blades 9 may be ten or twelve, etc., and the designer may design the agitating blades according to actual situations. The first connecting plate 6, the second connecting plate 7 and the agitating blade 9 rotate in synchronization. The inlet tube 2 is communicated with the top of the purification tank 1, and the dosing device is communicated with the side wall of the purification tank 1 close to the top.
When using, sewage enters into the purifying tank 1 from the inlet tube 2, and in the medicament entered into the purifying tank 1 from charge device, the medicament and the stirring of sewage agitating unit fully mixed down in order to realize the purification to sewage, and the sewage after the purification flowed into delivery port 3, finally discharged from intercommunication mouth 8. Because of stirring blade 9 and encircleing the setting of intercommunication mouth 8 for sewage must be through stirring blade 9 before entering into intercommunication mouth 8, thereby guarantee that sewage must be stirred by stirring blade 9 before discharging, make sewage can react more fully, guarantee the sewage treatment effect.
Further, the agitating blade 9 has a plurality of layers, and the plurality of layers of agitating blades 9 are nested one after another.
In the present embodiment, it is preferable that the agitating blade 9 has two layers of inner and outer, and the two layers of agitating blades 9 are coaxially distributed. At this time, the sewage passes through the outer layer agitating blade 9 and the inner layer agitating blade 9 in this order. The multiple agitating blades 9 can agitate the sewage more sufficiently than the case where only a single layer of agitating blades 9 is provided.
In other embodiments than the above described embodiments, the agitating blade 9 may also be provided with three or four layers, etc. that are coaxially nested one after another.
Further, the edge of the water outlet 3 is provided with a communicating cylinder 10 facing the inside of the purifying tank 1, and the communicating cylinder 10 is arranged through the communicating opening 8.
In the present embodiment, the communication cylinder 10 is arranged to communicate the water outlet 3 with only the top of the second connecting plate 7, and the sewage is difficult to flow into the water inlet/outlet 3 from the gap between the second connecting plate 7 and the bottom wall of the purification tank 1, ensuring that all the sewage will necessarily pass through the stirring blade 9. Meanwhile, the connecting cylinder 10 can also play a role in radial limiting on the second connecting plate 7, the radial moving amplitude of the bottom end of the rotating shaft 5 is reduced, and a certain gap is formed between the outer side wall of the connecting cylinder and the inner wall of the communication port 8 to prevent severe friction between the outer side wall and the inner wall.
Further, second connecting plate 7 is discoid, and the swivelling chute 11 that matches with second connecting plate 7 is seted up to the bottom inside wall of purification tank 1, and delivery port 3 is located the diapire central point of swivelling chute 11, and second connecting plate 7 rotates and sets up in swivelling chute 11.
In this embodiment, the second connecting plate 7 is rotatably disposed in the rotating groove 11, and the rotating groove 11 can also limit the second connecting plate 7, so as to reduce the radial play of the bottom end of the rotating shaft 5. Also, there is a certain gap between the inner wall of the rotation groove 11 and the outer wall of the second connecting plate 7 to prevent severe friction therebetween.
Further, agitating fan blades 12 are distributed around the outer side wall of the rotating shaft 5. The sewage on the top of the agitating structure is agitated by the agitating fan blades 12.
Preferably, the bottom of the agitating fan blades 12 is disposed obliquely toward the rotating direction of the rotating shaft 5 (for example, the rotating direction indicated in fig. 4 matches the oblique direction of the agitating fan blades 12 shown in fig. 4). At this moment, when stirring flabellum 12 is being used with sewage, sewage can receive an ascending separation for sewage produces ascending beating, has prolonged sewage and has sunken into the required time of delivery port 3 department, has prolonged sewage and has received the time of stirring, with the mixed effect of assurance sewage and medicament.
Further, the chemical adding device comprises a storage tank 13 and a communication pipe 14, wherein the storage tank 13 is communicated with the purification tank 1 through the communication pipe 14, the communication pipe 14 is provided with a chemical adding pump 15, and the top of the storage tank 13 is provided with a chemical adding port 16. The storage tank 13 is used for storing medicine, and the medicine adding port 16 is used for adding medicine into the storage tank 13. The dosing pump 15 is used to deliver the medicament in the storage tank 13 into the purification tank 1.
Further, a filter screen 17 is arranged in the purification tank 1, the filter screen 17 is located at the bottom end of the water inlet pipe 2, and the water inlet pipe 2 is provided with a water inlet valve 18. The filter screen 17 is used for filtering the large granule solid impurity in the sewage in the inlet tube 2, prevents that solid impurity from blockking up delivery port 3, prevents to take place because of solid impurity and the condition of stirring blade 9 and stirring flabellum 12 damage that stirring blade 9 and stirring flabellum 12 that the mutual impact of stirring blade 9 leads to. The water inlet valve 18 is used for controlling the water inlet quantity.
Furthermore, the bottom of the water outlet 3 is communicated with a liquid outlet pipeline, the liquid outlet pipeline comprises a deposition section 19 which is vertically arranged and a flow section 20 which is horizontally arranged, the top end of the deposition section 19 is communicated with the water outlet 3, the bottom end of the deposition section 19 is an open end, the bottom end of the deposition section 19 is blocked by a drain valve 21, and the flow section 20 is communicated with the side wall of the deposition section 19.
In this embodiment, the treated sewage flows out from the liquid outlet pipeline, and the treated sewage flows out through the sedimentation section 19 and then the circulation section 20. Because the flow section 20 is communicated with the side wall of the sedimentation section 19, the bottom end of the sedimentation section 19 is lower than the flow section 20, and sediment in sewage can be accumulated at the bottom end of the sedimentation section 19 after long-term use. At this time, the drain valve 21 is opened to clean the above-mentioned deposit.
Further, the side wall of the purification tank 1 is provided with a transparent observation window 22. Through the transparent observation window 22, the user can observe the inside of the purification tank 1 to ensure that abnormal conditions can be found in time.
To sum up, the utility model provides a domestic sewage purification device, which comprises a purification tank 1 and a dosing device communicated with the purification tank 1, wherein the top of the purification tank 1 is communicated with a water inlet pipe 2, the bottom of the purification tank 1 is provided with a water outlet 3, and a stirring device is arranged inside the purification tank 1; the stirring device comprises a rotating motor 4 and a rotating shaft 5, one end of the rotating shaft 5 is connected with the rotating motor 4, and the other end of the rotating shaft 5 extends into the purification tank 1; the end of the rotating shaft 5 extending into the interior of the purification tank 1 is provided with a stirring structure; mix the structure including first connecting plate 6 and the second connecting plate 7 that the interval set up side by side, the lateral wall and the rotation axis 5 of first connecting plate 6 are connected, and the intercommunication mouth 8 with 3 intercommunications of delivery port is seted up at the middle part of second connecting plate 7, and the centre gripping has a plurality of stirring vane 9 between first connecting plate 6 and the second connecting plate 7, and stirring vane 9 encircles 8 interval distribution of intercommunication mouth.
In sewage enters into the purifying tank 1 from inlet tube 2, the medicament enters into the purifying tank 1 from charge device, intensive mixing is in order to realize the purification to sewage under medicament and sewage agitating unit's the stirring, and the sewage after the purification flows into delivery port 3, final discharge from intercommunication mouth 8. In use, the first connecting plate 6, the second connecting plate 7 and the agitating blade 9 are rotated in synchronism. Because of stirring blade 9 and encircleing the setting of intercommunication mouth 8 for sewage must be through stirring blade 9 before entering into intercommunication mouth 8, thereby guarantee that sewage must be stirred by stirring blade 9 before discharging, make sewage can react more fully, guarantee the sewage treatment effect.
The utility model discloses agitating unit's structure is for the traditional mode that sets up the blade at 5 lateral walls of rotation axis, the condition that just is followed delivery port 3 outflow by stirring on the sewage can not appear. Even the sewage that does not pass through sewage in traditional scheme and flow with the blade contact can produce certain stirring, but sewage in this scheme must can further promote the stirring effect with the mode of stirring blade 9 contact, has strengthened sewage purification effect.
While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the details of the foregoing illustrative embodiments, and that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A domestic sewage purification device is characterized by comprising a purification tank and a dosing device communicated with the purification tank, wherein the top of the purification tank is communicated with a water inlet pipe, the bottom of the purification tank is provided with a water outlet, and a stirring device is arranged inside the purification tank;
the stirring device comprises a rotating motor and a rotating shaft, one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft extends into the purification tank; the end part of the rotating shaft extending into the purifying tank is provided with a stirring structure;
the stirring structure comprises a first connecting plate and a second connecting plate which are arranged side by side at intervals, the side wall of the first connecting plate is connected with the rotating shaft, the middle part of the second connecting plate is provided with a communicating port communicated with the water outlet, a plurality of stirring blades are clamped between the first connecting plate and the second connecting plate, and the stirring blades are distributed at intervals around the communicating port.
2. The domestic sewage purification apparatus of claim 1, wherein said agitating blades have a plurality of layers, and said plurality of layers are nested in series.
3. The domestic sewage purification device according to claim 1, wherein a communication tube facing the inside of the purification tank is arranged at the edge of the water outlet, and the communication tube is arranged through the communication port.
4. The domestic sewage purification apparatus of claim 1, wherein said second connecting plate is disc-shaped, a rotating groove matching with said second connecting plate is formed on the inner side wall of the bottom of said purification tank, said water outlet is located at the center of the bottom wall of said rotating groove, and said second connecting plate is rotatably disposed on said rotating groove.
5. The domestic sewage purification apparatus of claim 1, wherein stirring blades are distributed around an outer sidewall of the rotating shaft.
6. The domestic sewage purification apparatus according to claim 5, wherein a bottom of said agitating fan is disposed to be inclined toward a rotation direction of said rotary shaft.
7. The domestic sewage purification device according to claim 1, wherein said dosing device comprises a storage tank and a communicating pipe, said storage tank is communicated with said purification tank through said communicating pipe, said communicating pipe is provided with a dosing pump, and the top of said storage tank is provided with a dosing port.
8. The domestic sewage purification apparatus of claim 7, wherein a filter screen is disposed in the purification tank, the filter screen is located at a bottom end of the water inlet pipe, and the water inlet pipe is provided with a water inlet valve.
9. The domestic sewage purification device according to claim 8, wherein a liquid outlet pipe is communicated with the bottom of the water outlet, the liquid outlet pipe comprises a vertically arranged deposition section and a horizontally arranged flow section, the top end of the deposition section is communicated with the water outlet, the bottom end of the deposition section is an open end, a drain valve is sealed at the bottom end of the deposition section, and the flow section is communicated with the side wall of the deposition section.
10. The domestic sewage purification apparatus of claim 1, wherein the side wall of the purification tank is provided with a transparent viewing window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150601.3U CN218434965U (en) | 2022-08-16 | 2022-08-16 | Domestic sewage purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150601.3U CN218434965U (en) | 2022-08-16 | 2022-08-16 | Domestic sewage purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218434965U true CN218434965U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222150601.3U Active CN218434965U (en) | 2022-08-16 | 2022-08-16 | Domestic sewage purification device |
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| Country | Link |
|---|---|
| CN (1) | CN218434965U (en) |
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- 2022-08-16 CN CN202222150601.3U patent/CN218434965U/en active Active
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