CN220078683U - Environment-friendly engineering water treatment device - Google Patents
Environment-friendly engineering water treatment device Download PDFInfo
- Publication number
- CN220078683U CN220078683U CN202321204742.7U CN202321204742U CN220078683U CN 220078683 U CN220078683 U CN 220078683U CN 202321204742 U CN202321204742 U CN 202321204742U CN 220078683 U CN220078683 U CN 220078683U
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- CN
- China
- Prior art keywords
- sealing ring
- fixedly connected
- aeration tank
- ring body
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 108
- 238000005273 aeration Methods 0.000 claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000007613 environmental effect Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 2
- 238000005189 flocculation Methods 0.000 description 10
- 230000016615 flocculation Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- -1 and particularly Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model relates to the technical field of water treatment, and particularly provides a water treatment device for environmental protection engineering, which comprises an aeration tank body, wherein a bearing partition plate is fixedly connected to the inside of the aeration tank body, a mounting opening is formed in the top of the bearing partition plate, a sealing ring body is fixedly sleeved in the inside of the mounting opening, the sealing ring body is arranged in a closed cavity formed by the aeration tank body and the bearing partition plate, an aeration machine body is fixedly connected to the side wall of the aeration tank body, an adjusting assembly comprises a rotating upright post arranged in the sealing ring body, a plurality of adjusting blades are fixedly connected to the rotating upright post, a connecting circular plate is fixedly sleeved on the rotating upright post, a connecting support post is fixedly connected to the connecting support post, a sealing cover body is arranged at the top of the sealing ring body, and a plurality of high-pressure pump heads are spliced on the sealing cover body. The utility model effectively solves the problem that part of the pool body cannot be adapted in the prior art, and achieves the purpose of increasing the universality.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an environment-friendly engineering water treatment device.
Background
Environmental protection water treatment is an important component of water industry science and technology, is short for environmental protection water treatment and waste environmental protection water treatment, and since water pollution is increasingly serious, water sources are gradually tensioned, waste water can also be used as water sources, and industrial water and even domestic water can be supplied after treatment. For the treatment of wastewater regeneration or reuse, the wastewater is treated as environmental protection water in terms of water quality, and the treatment purpose of the wastewater is the environmental protection water treatment.
The existing water treatment device mostly utilizes an activated sludge method to treat sewage, and particularly, sewage is kept in a tank, then 'microbubbles' are directly injected into untreated sewage through a gas dispersing impeller, and under the combined action of a coagulant and a flocculant, suspended matters undergo physical flocculation and chemical flocculation, so that large suspended matter flocs are formed, and under the action of buoyancy of a bubble group, the 'flocs' float on the liquid surface to form scum. For example, publication number CN218910052U, entitled: a Chinese patent of a water treatment aeration device for environmental protection engineering drives a top block to rotate through rotation of a stirring shaft, so that the position of an aeration pipe is changed, and the aeration comprehensiveness is improved.
Although the water treatment aeration device has the effect of changing the position of the aeration pipe, the conventional aeration tank has a rectangular, square or round structure formed by concrete, so that during the use of the water treatment aeration device, the installation of a power component, namely a stirring shaft, always has a certain problem, so that the water treatment device cannot be effectively driven in aeration tanks with different specifications, and certain limitation is caused on the overall installation and use of the water treatment device, and the water treatment device for the environment-friendly engineering is provided to meet the requirements.
Disclosure of Invention
The utility model aims to provide an environment-friendly water treatment device for engineering, which solves the problem that part of a tank body cannot be adapted in the prior art, and achieves the purpose of increasing the universality of the water treatment device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an environmental protection engineering water treatment facilities, includes the aeration tank body, the inside fixedly connected with bearing baffle of aeration tank body, two holding cavitys are separated into with the inside of aeration tank body to the bearing baffle, the installing port has been seted up at the top of bearing baffle, two the holding cavity is linked together through the installing port, the inside of installing port is fixed to have cup jointed the sealing washer body, the sealing washer body sets up inside the sealed cavity that aeration tank body and bearing baffle formed, the lateral wall fixedly connected with aeration organism of aeration tank body, the one end of aeration organism is linked together with the inside of sealing washer body.
The adjusting component comprises a rotating upright post arranged inside a sealing ring body, a plurality of adjusting blades are fixedly connected to the rotating upright post, a connecting circular plate is fixedly sleeved on the rotating upright post, a connecting support post is fixedly connected to the top of the rotating upright post, a sealing cover body is fixedly connected to the connecting support post, the sealing cover body is arranged at the top of the sealing ring body, a sealing space is formed by the sealing ring body and the sealing cover body, and a plurality of high-pressure pump heads are spliced on the sealing cover body.
Preferably, the sealing ring body and the rotating upright post are positioned on the same longitudinal axis, and the plurality of adjusting blades take the rotating upright post as a center to form an annular structure, and arc-shaped connecting parts are arranged on the adjusting blades.
Preferably, the bottom fixedly connected with of the sealed cowling body is adjusted the riser, and adjusts the bottom fixedly connected with of riser and two direction spliced poles, the guiding mouth has been seted up at the top of the sealing washer body, and direction spliced pole sliding connection is in the inside of guiding mouth.
Preferably, the top of the sealing ring body is fixedly connected with a sealing partition plate, a guide opening in the sealing partition plate is smaller than the size of the guide connecting column, and the adjusting vertical plate slides longitudinally in the guide opening.
Preferably, the diameter of the connecting circular plate is smaller than the inner diameter of the sealing ring body, a connecting cavity opening is formed between the connecting circular plate and the sealing ring body, and the sealing ring body is communicated with the sealing cover body through the connecting cavity opening.
Preferably, the sealing cover body and the high-pressure pump head are arranged at the top of the bearing partition plate, and the sealing cover body is communicated with the inside of the aeration tank body through the high-pressure pump head.
Preferably, the bottom of the aeration tank body is fixedly connected with four supporting columns, and the aeration tank body is of a hollow structure with an opening at the top.
In summary, the utility model has the technical effects and advantages that:
1. the high-pressure pump head is reasonable in structure, the adjusting blades are arranged, the acting force of air flow is in contact with the arc-shaped connecting part during use, the impact force of the air flow can be effectively converted into thrust, the high-pressure pump head is effectively driven to rotate by the rotating upright post, the connecting support post and the sealing cover body by taking the rotating upright post as the center of a circle, the setting position of the high-pressure pump head is changed, an external adjusting structure is not needed, the installation and use requirements of different aeration tanks can be met, and the high-pressure pump head can be effectively rotated in the aeration tanks with different specifications.
2. According to the utility model, the sealing partition plate is arranged, so that when the sealing cover body is stressed, the impact force of the sealing cover body can be transmitted to the adjusting vertical plate and the guide connecting column, the adjusting vertical plate and the guide connecting column slide along the longitudinal direction of the guide opening, so that an effective space is provided for the movement of the sealing cover body, and meanwhile, when the sealing cover body moves away from the sealing ring body, the separation part of the sealing cover body can be sealed, so that the integral sealing stability of the sealing cover body is ensured, the possibility of gas leakage of the sealing cover body during use is avoided, and the integral use effect of the sealing cover body is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a water treatment device for environmental engineering at a first view angle;
FIG. 2 is a schematic view showing a sectional view of an aeration tank body of the water treatment device for environmental engineering;
FIG. 3 is a schematic view of a three-dimensional connection structure of a high-pressure pump head in an environmental-friendly water treatment device;
FIG. 4 is a schematic view of a three-dimensional connection structure of a seal ring body in an environmental engineering water treatment device;
FIG. 5 is a schematic view of a three-dimensional connection structure of a connection support column in an environmental protection water treatment device;
fig. 6 is a schematic view of a three-dimensional connection structure of an adjusting blade in the water treatment device for environmental engineering.
Reference numerals:
1. an aeration tank body; 2. an aeration machine body; 3. a bearing partition board; 4. a seal ring body; 5. rotating the upright post; 6. adjusting the blade; 7. an arc-shaped connecting part; 8. a connecting circular plate; 9. a connecting cavity port; 10. a connecting strut; 11. sealing the cover body; 12. a high pressure pump head; 13. adjusting the vertical plate; 14. a guide connecting column; 15. a guide opening; 16. and sealing the partition plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, 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.
In the description of the embodiments of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The technical solution of the utility model is described below in connection with the embodiments shown in fig. 1-6:
the aeration tank body 1, the inside fixedly connected with bearing baffle 3 of aeration tank body 1, two accommodation cavities are separated into with the inside of aeration tank body 1 to bearing baffle 3, the installing port has been seted up at the top of bearing baffle 3, two accommodation cavities are linked together through the installing port, sealing washer body 4 has been cup jointed to the inside of installing port, sealing washer body 4 sets up inside the sealed cavity that aeration tank body 1 and bearing baffle 3 formed, the lateral wall fixedly connected with aeration organism 2 of aeration tank body 1, the one end of aeration organism 2 is linked together with the inside of sealing washer body 4.
The adjusting component comprises a rotary upright post 5 arranged inside a sealing ring body 4, a plurality of adjusting blades 6 are fixedly connected to the rotary upright post 5, a connecting circular plate 8 is fixedly sleeved on the rotary upright post 5, a connecting support post 10 is fixedly connected to the top of the rotary upright post 5, a sealing cover body 11 is fixedly connected to the connecting support post 10, the sealing cover body 11 is arranged at the top of the sealing ring body 4, a sealing space is formed by the sealing ring body 4 and the sealing cover body 11, and a plurality of high-pressure pump heads 12 are spliced on the sealing cover body 11.
Before use, the aeration tank body 1 can be directly placed on a plane, then the water resource to be treated is caused to move upwards in the longitudinal direction in the aeration tank body 1, the water resource is located in the accommodating cavity at the top of the bearing partition plate 3, the aeration tank body 2 can be opened through an external controller, the aeration tank body 2 can suck gas through the suction inlet of the aeration tank body 2 by utilizing the negative pressure effect, the gas is conveyed to the inside of the sealing ring body 4 through the air dispersing impeller, at the moment, the gas is in contact with the regulating blades 6 and the arc-shaped connecting part 7 in the sealing ring body 4, the regulating blades 6 form impact force due to the size of the regulating blades 6, the regulating blades 6 drive the rotary upright post 5, the connecting support post 10 and the sealing cover body 11 to move upwards in the longitudinal direction, the sealing cover body 11 is further away from the sealing ring body 4, meanwhile, the high-pressure pump head 12 is driven to rotate through the rotary upright post 5, the connecting support post 10 and the sealing cover body 11 to change the setting position of the high-pressure pump head 12, the high-pressure pump head 12 can directly inject 'micro-coagulant' into untreated sewage at the moment, the flocculation mass and the flocculation mass can form a flocculation mass under the combined action of the flocculating mass, and the flocculation mass is formed, and the flocculation mass is greatly formed, and the flocculation mass is environmentally-friendly is formed, and the flocculation is suspended floc is caused, and the flocculation is suspended.
The sealing ring body 4 and the rotary upright 5 are positioned on the same longitudinal axis, and the plurality of adjusting blades 6 take the rotary upright 5 as the center to form an annular structure, and arc-shaped connecting parts 7 are arranged on the adjusting blades 6.
It will be appreciated that: the adjusting blade 6 is not limited to a specific structure, as long as the rotation of the rotating upright 5 driven by the force can be realized.
Because of the arrangement of the arc-shaped connecting part 7, the adjusting vane 6 is not arranged in a standard horizontal or vertical way, when the air flow contacts with the adjusting vane 6, the action point of the air flow is positioned on the arc-shaped connecting part 7, and then the adjusting vane 6 is pushed to move, when the adjusting vane 6 is forced to move, the moving force of the air flow is used for the rotating upright 5, so that the rotating upright 5 is forced to drive the high-pressure pump 12 to rotate by taking the rotating upright 5 as the center of a circle through the connecting upright 10 and the sealing cover 11.
The bottom fixedly connected with of sealed cowling body 11 adjusts riser 13, and adjusts the bottom fixedly connected with of riser 13 and two direction spliced pole 14, and guiding mouth 15 has been seted up at the top of sealing washer body 4, and direction spliced pole 14 sliding connection is in the inside of guiding mouth 15.
When the sealing cover 11 is stressed to rotate, the rotating force is transmitted to the guide connecting column 14 through the adjusting vertical plate 13, the guide connecting column 14 moves along the track of the guide opening 15 under the action of the force, and at the moment, the guide connecting column 14 can limit the rotating track of the sealing cover 11, so that the stability of the sealing cover 11 is ensured, and the possibility of deflection is avoided.
The top fixedly connected with sealing plate 16 of sealing washer body 4, and the inside guiding port of sealing plate 16 is less than the size of direction spliced pole 14, adjusts riser 13 and vertically slides in the inside of guiding port 15.
It will be appreciated that: the guide connecting column 14 is not limited to a specific structure, and may be a guide block, a guide column, or the like as long as the position of the seal cover 11 can be limited.
When the sealing cover 11 is stressed, the impact force can be transmitted to the adjusting vertical plate 13 and the guide connecting column 14, so that the adjusting vertical plate 13 and the guide connecting column 14 slide along the longitudinal direction of the guide opening 15, an effective space is provided for the movement of the sealing cover 11, and meanwhile, the separation part of the sealing cover 11 can be sealed when the sealing cover 11 moves away from the sealing ring body 4, and the integral sealing stability of the sealing cover is ensured.
The diameter of the connecting circular plate 8 is smaller than the inner diameter of the sealing ring body 4, a connecting cavity opening 9 is formed between the connecting circular plate 8 and the sealing ring body 4, the sealing ring body 4 is communicated with a sealing cover body 11 through the connecting cavity opening 9, the sealing cover body 11 and a high-pressure pump head 12 are arranged at the top of the bearing partition plate 3, and the sealing cover body 11 is communicated with the inside of the aeration tank body 1 through the high-pressure pump head 12.
It will be appreciated that: the connection disk 8 is not limited to a specific structure, and may be a structure such as a backing plate or a connection plate as long as it can receive force or form a passage.
During use, the gas in the aeration machine body 2 can be directly conveyed into the sealing ring body 4 through the pipeline of the aeration machine body, and then enters the sealing cover body 11 through the connecting cavity opening 9 between the sealing ring body 4 and the connecting circular plate 8, and then is sprayed into the aeration tank body 1 along the high-pressure pump 12 at high pressure, so that the treatment can be effectively performed.
The bottom of the aeration tank body 1 is fixedly connected with four supporting columns, and the aeration tank body 1 is of a hollow structure with an opening at the top.
During use, the aeration tank body 1 can be directly placed through the supporting column body, namely, water resources to be treated can be accommodated through the aeration tank body 1, so that the water resources to be treated are more stable during use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides an environmental protection engineering water treatment facilities, includes aeration tank body (1), its characterized in that:
the utility model discloses an aeration tank, which is characterized in that a bearing partition plate (3) is fixedly connected to the inside of the aeration tank (1), the bearing partition plate (3) divides the inside of the aeration tank (1) into two accommodating cavities, an installing port is formed in the top of the bearing partition plate (3), the two accommodating cavities are communicated through the installing port, a sealing ring body (4) is fixedly sleeved in the inside of the installing port, the sealing ring body (4) is arranged in a closed cavity formed by the aeration tank (1) and the bearing partition plate (3), an aeration body (2) is fixedly connected to the side wall of the aeration tank (1), and one end of the aeration body (2) is communicated with the inside of the sealing ring body (4);
the adjusting assembly comprises a rotating upright post (5) arranged inside a sealing ring body (4), a plurality of adjusting blades (6) are fixedly connected to the rotating upright post (5), a connecting circular plate (8) is fixedly sleeved on the rotating upright post (5), a connecting support post (10) is fixedly connected to the top of the rotating upright post (5), a sealing cover body (11) is fixedly connected to the connecting support post (10), the sealing cover body (11) is arranged at the top of the sealing ring body (4), a sealing space is formed by the sealing ring body (4) and the sealing cover body (11), and a plurality of high-pressure pump heads (12) are spliced on the sealing cover body (11).
2. The environmental-friendly water treatment device for engineering according to claim 1, wherein: the sealing ring body (4) and the rotary upright post (5) are positioned on the same longitudinal axis, a plurality of adjusting blades (6) form an annular structure by taking the rotary upright post (5) as a center, and arc-shaped connecting parts (7) are arranged on the adjusting blades (6).
3. The environmental-friendly water treatment device for engineering according to claim 1, wherein: the sealing cover is characterized in that an adjusting vertical plate (13) is fixedly connected to the bottom of the sealing cover body (11), two guiding connecting posts (14) are fixedly connected to the bottom of the adjusting vertical plate (13), a guiding opening (15) is formed in the top of the sealing ring body (4), and the guiding connecting posts (14) are slidably connected to the inside of the guiding opening (15).
4. An environmental protection process water treatment device according to claim 3, wherein: the top of the sealing ring body (4) is fixedly connected with a sealing partition plate (16), a guide opening in the sealing partition plate (16) is smaller than the size of the guide connecting column (14), and the adjusting vertical plate (13) longitudinally slides in the guide opening (15).
5. The environmental-friendly water treatment device for engineering according to claim 1, wherein: the diameter of the connecting circular plate (8) is smaller than the inner diameter of the sealing ring body (4), a connecting cavity opening (9) is formed between the connecting circular plate (8) and the sealing ring body (4), and the sealing ring body (4) is communicated with the sealing cover body (11) through the connecting cavity opening (9).
6. The environmental protection water treatment device for engineering according to claim 5, wherein: the sealing cover body (11) and the high-pressure pump head (12) are arranged at the top of the bearing partition plate (3), and the sealing cover body (11) is communicated with the inside of the aeration tank body (1) through the high-pressure pump head (12).
7. The environmental-friendly water treatment device for engineering according to claim 1, wherein: the bottom of the aeration tank body (1) is fixedly connected with four supporting columns, and the aeration tank body (1) is of a hollow structure with an opening at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321204742.7U CN220078683U (en) | 2023-05-18 | 2023-05-18 | Environment-friendly engineering water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321204742.7U CN220078683U (en) | 2023-05-18 | 2023-05-18 | Environment-friendly engineering water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220078683U true CN220078683U (en) | 2023-11-24 |
Family
ID=88824206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321204742.7U Active CN220078683U (en) | 2023-05-18 | 2023-05-18 | Environment-friendly engineering water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220078683U (en) |
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2023
- 2023-05-18 CN CN202321204742.7U patent/CN220078683U/en active Active
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