CN221275396U - Industrial wastewater treatment device of car washing system - Google Patents
Industrial wastewater treatment device of car washing system Download PDFInfo
- Publication number
- CN221275396U CN221275396U CN202323076453.6U CN202323076453U CN221275396U CN 221275396 U CN221275396 U CN 221275396U CN 202323076453 U CN202323076453 U CN 202323076453U CN 221275396 U CN221275396 U CN 221275396U
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- box body
- treatment box
- fixedly connected
- industrial wastewater
- block
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 23
- 238000005406 washing Methods 0.000 title claims description 30
- 238000007790 scraping Methods 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 35
- 238000012545 processing Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 39
- 239000012535 impurity Substances 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004069 wastewater sedimentation 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
- Removal Of Floating Material (AREA)
Abstract
The utility model belongs to the technical field of carwash, in particular to an industrial wastewater treatment device of a carwash system, which comprises a treatment box body, a bailing body arranged in the treatment box body, and a cleaning assembly arranged in the treatment box body and close to one side of the bailing body, wherein the cleaning assembly comprises a reciprocating screw rod connected in the treatment box body in a rotating way through a bearing A, a screw block in threaded connection with the surface of the reciprocating screw rod, and a scraping plate arranged below the screw block, the scraping plate is attached to the upper surface of the bailing body, and the section shape of the scraping plate is an equilateral triangle; through the clearance subassembly that sets up, can be to the accumulational impurity clearance of net body surface of dragging for, avoid the impurity of net body surface to pile up too much and lead to the salvaging effect of dragging for the net to the follow-up carwash waste water that can be better is handled, and the people of being convenient for use.
Description
Technical Field
The utility model belongs to the technical field of car washing, and particularly relates to an industrial wastewater treatment device of a car washing system.
Background
Along with the increasing living standard of people, the possession of private cars is increasing, and the cars are stained with dirt and dust in the running process, so that the cars need to be cleaned, and a large amount of waste water is generated after the cars are cleaned, and therefore, an industrial waste water treatment device of a car washing system is needed.
Through investigation publication (bulletin) number: CN216005314U discloses a car washing waste water sedimentation treatment device, which discloses in this technology that "the upper sides of the left and right sides of the treatment box are all opened with side openings penetrating through the inner and outer walls of the treatment box, and the upper sides of the left and right sides of the treatment box are all opened with notches parallel to the front of the side openings, the first electric push rod is installed in the notches, the front of the inner part of the side openings is movably connected with a movable block, the rear side of the inner part of the side openings is fixedly connected with a fixed block, and a bellows and other technical schemes are welded between the front of the fixed block and the rear of the movable block, so that the impurities floating on the surface of the waste water can be salvaged while the foam is salvaged, and the technical effects of simple filtering effect and the like are achieved";
Although the design can play a simple filtering role, in the process of filtering the waste water for a long time, impurities accumulated on the surface of the fishing net possibly increase along with the use times of the fishing net, so that the fishing effect of the fishing net is reduced, the subsequent treatment effect of the car washing waste water is affected, and the device is inconvenient for people to use;
for this purpose, an industrial wastewater treatment device for a car washing system is designed to solve the above problems.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides an industrial wastewater treatment device of a car washing system, which can clean impurities accumulated on the surface of a net body, and avoid the decrease of the salvaging effect of the net caused by excessive accumulation of the impurities on the surface of the net body, thereby being capable of better treating the subsequent car washing wastewater and being convenient for people to use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the industrial wastewater treatment device of the car washing system comprises a treatment box body, a fishing net body arranged in the treatment box body, and a cleaning assembly arranged in the treatment box body and close to one side of the fishing net body;
The cleaning assembly comprises a reciprocating screw rod, a screw block and a scraping plate, wherein the reciprocating screw rod is rotationally connected to the inside of the processing box body through a bearing A, the screw block is in threaded connection with the surface of the reciprocating screw rod, the scraping plate is arranged below the screw block, the scraping plate is attached to the upper surface of the fishing net body, and the section shape of the scraping plate is an equilateral triangle.
As the industrial wastewater treatment device of the car washing system, preferably, one side, close to the screw block, of the surface of the scraping plate is fixedly connected with a limiting block in a T-shaped structure, a limiting groove used for enabling the limiting block to slide in the vertical direction is formed in the screw block, and a plurality of springs A are fixedly connected between the upper surface of the limiting block and the top side of the inner wall surface of the screw block.
As an industrial wastewater treatment device of the car washing system, preferably, a motor A is arranged on one side of the surface of the treatment box body through a base A, and one end of the reciprocating screw rod penetrates through the inner side of the treatment box body, extends to the outer side of the treatment box body and is fixedly connected with the output end of the motor A.
As the industrial wastewater treatment device of the car washing system, the utility model is preferable, the upper surface of the screw block is fixedly connected with the guide block with a T-shaped structure, and the inside of the treatment box body is provided with the guide groove for sliding in the horizontal direction of the guide block.
As the industrial wastewater treatment device of the car washing system, the utility model is preferable, the left side and the right side of the inside of the treatment box body are respectively provided with a through groove which is obliquely arranged, the bottom surface of the through groove is fixedly connected with a guide plate, the extending end of the guide plate extends to the outer side of the treatment box body, and the left side and the right side of the treatment box body, which are close to the guide plate, are fixedly connected with a collecting box.
As a preferable mode, the industrial wastewater treatment device of the car washing system further comprises a stirring assembly arranged below the fishing net body;
The stirring assembly comprises stirring rods which are rotatably connected inside the treatment box body through bearings B, chain wheels fixedly connected to one end of the surfaces of the stirring rods, and chains meshed and connected between the two groups of chain wheels, and stirring blades which are of wavy structures are fixedly connected to the surfaces of the stirring rods.
As the industrial wastewater treatment device of the car washing system, a motor B is preferably arranged below the motor A, and is arranged on the surface of the treatment box body through a base B, wherein the surface of one group of stirring rods penetrates through the inner side of the treatment box body, extends to the outer side of the treatment box body and is fixedly connected with the output end of the motor B.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cleaning component is added, so that impurities accumulated on the surface of the fishing net body can be cleaned, the drop of the fishing effect of the fishing net caused by excessive accumulation of the impurities on the surface of the fishing net body is avoided, subsequent car washing wastewater can be better treated, and the use of people is facilitated.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the deflector and the collection box of the present utility model;
FIG. 3 is a schematic view of the structure of the stirring blade and stirring rod in the present utility model;
FIG. 4 is a schematic view of the structure of the scraper and the stopper in the present utility model;
in the figure:
1. a treatment box body; 11. a bailing body;
2. Cleaning the assembly; 21. a reciprocating screw rod; 22. a guide block; 23. a screw block; 24. a motor A; 25. a guide plate; 26. a collection box; 27. a scraper; 28. a spring A; 29. a limiting block;
3. a stirring assembly; 31. a sprocket; 32. a stirring rod; 33. a chain; 34. a motor B; 35. stirring vane.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1:
An industrial wastewater treatment device of a car washing system comprises a treatment box body 1 and a fishing net body 11 arranged in the treatment box body 1.
In this embodiment: existing car washing system industrial wastewater treatment device { publication (bulletin) number }: CN216005314U discloses a device for precipitating and treating car washing wastewater, in which a treatment box body 1 and a bailing body 11 proposed in the present document are disclosed, the treatment box body 1 and the bailing body 11 in the present document adopt the same technical means in the prior art, which are not described in detail herein, and the present application is further improved with respect to the present cleaning assembly 2, and the details refer to the following disclosure technology; in order to solve the technical problem existing in the prior art, as disclosed in the background art above, although the design can play a simple filtering role, in the process of filtering the wastewater for a long time, impurities accumulated on the surface of the fishing net can be increased along with the use times of the fishing net by the existing device, so that the fishing effect of the fishing net is reduced, the subsequent treatment effect of the car washing wastewater is affected, people are not convenient to use, and the problem is obviously a problem which exists in reality and is difficult to solve in combination with use.
It should be noted that: the treatment box body 1 is composed of a box cover, a water inlet pipe, a side opening, a notch, a first electric push rod, a movable block, a fixed block, a corrugated pipe, a fishing net, a mounting opening, a second electric push rod, a push plate, a discharge opening, a water leakage hole, a water leakage opening, a piston head, a piston column, a spring and an electromagnet (the components are shown in fig. 1, 2 and 3), and the use effect of the treatment box can be referred to a publication number CN216005314U.
Further, the method comprises the following steps:
as shown in fig. 1 to 4:
In combination with the above: the cleaning assembly 2 is arranged in the treatment box body 1 and is close to one side of the bailing body 11; the cleaning assembly 2 comprises a reciprocating screw 21 rotatably connected to the inside of the treatment box body 1 through a bearing A, a screw block 23 in threaded connection with the surface of the reciprocating screw 21, and a scraping plate 27 arranged below the screw block 23, wherein the scraping plate 27 is attached to the upper surface of the fishing net body 11, and the section shape of the scraping plate 27 is an equilateral triangle.
In this embodiment: when the cleaning of the fishing net body 11 is needed, the reciprocating screw rod 21 rotates, and then the screw block 23 can be driven to reciprocate, the screw block 23 can drive the scraping plate 27 to move, and then impurities on the surface of the fishing net body 11 can be cleaned, the fishing net body 11 can be better cleaned, the cleaning of impurities accumulated on the surface of the fishing net body 11 can be better performed, the fishing effect of the fishing net is reduced due to excessive accumulation of impurities on the surface of the fishing net body 11, and accordingly follow-up car washing wastewater can be better treated, and people can use the fishing net conveniently.
Still further, the method comprises:
In an alternative embodiment, a limit block 29 with a T-shaped structure is fixedly connected to one side, close to the screw block 23, of the surface of the scraper 27, a limit groove for sliding the limit block 29 in the vertical direction is formed in the screw block 23, and a plurality of springs A28 are fixedly connected between the upper surface of the limit block 29 and the top side of the inner wall surface of the screw block 23.
In this embodiment: when the fishing net body 11 needs to be cleaned, the screw block 23 can drive the limiting block 29 and the scraping plate 27 to move, and the height of the scraping plate 27 can be adjusted under the matching action of the spring A28 and the limiting block 29 due to the arc-shaped structure of the fishing net, so that the fishing net body 11 can be cleaned better.
Still further, the method comprises:
In an alternative embodiment, a motor a24 is mounted on one side of the surface of the treatment box body 1 through a base a, and one end of the reciprocating screw 21 penetrates the inner side of the treatment box body 1, extends to the outer side of the treatment box body 1, and is fixedly connected with the output end of the motor a 24.
In this embodiment: when the fishing net body 11 needs to be cleaned, the motor A24 is started, the output end of the motor A24 can drive the reciprocating screw rod 21 to rotate, the reciprocating screw rod 21 rotates, the screw block 23 can be driven to reciprocate, the scraper 27 can be driven to move by the movement of the screw block 23, impurities on the surface of the fishing net body 11 can be cleaned, and the fishing net body 11 can be cleaned better.
It should be noted that: all electrical equipment in the device is powered on by an external power supply.
Still further, the method comprises:
In an alternative embodiment, the upper surface of the screw block 23 is fixedly connected with a guide block 22 with a T-shaped structure, and a guide groove for sliding the guide block 22 in the horizontal direction is formed in the treatment box body 1.
In this embodiment: in the process of moving the screw block 23, the movement of the screw block 23 can drive the guide block 22 to move in the guide groove formed in the treatment box body 1.
Still further, the method comprises:
in an alternative embodiment, the left and right sides of the interior of the treatment box body 1 are provided with through grooves which are obliquely arranged, the bottom surface of each through groove is fixedly connected with a guide plate 25, the extending ends of the guide plates 25 extend to the outer side of the treatment box body 1, and one sides, close to the guide plates 25, of the left and right surfaces of the treatment box body 1 are fixedly connected with a collection box 26.
In this embodiment: the movement of the screw block 23 can drive the limiting block 29 and the scraping plate 27 to move when the impurities on the surface of the fishing net body 11 are collected, so that the impurities on the surface of the fishing net body 11 can be cleaned, and the cleaned impurities are pushed to the outside of the treatment box body 1 through the guide of the guide plate 25 and then enter the inside of the collection box 26.
Still further, the method comprises:
In an alternative embodiment, the stirring assembly 3 is arranged below the bailing body 11; the stirring assembly 3 comprises stirring rods 32 which are rotatably connected inside the treatment box body 1 through bearings B, chain wheels 31 fixedly connected to one end of the surfaces of each group of stirring rods 32, and chains 33 meshed and connected between the two groups of chain wheels 31, and stirring blades 35 which are of wavy structures are fixedly connected to the surfaces of each group of stirring rods 32.
In this embodiment: when needs deposit the impurity in the waste water, after the inside waste water of treatment tank body 1 stewed for a period, add the flocculating agent, puddler 32 rotates, and then can drive one of them a set of sprocket 31 and rotate, under the cooperation effect of chain 33, can make two sets of sprockets 31 rotate, and then drive two sets of puddlers 32 and rotate, stirring vane 35 can stir the inside waste water of treatment tank body 1, the inside waste water flow of treatment tank body 1 is accelerated, and then can make the flocculating agent faster combine with the impurity in the waste water, impurity in the waste water can be more rapid deposits for waste water's efficiency.
Still further, the method comprises:
In an alternative embodiment, motor B34 is disposed below motor a24, and motor B34 is mounted on the surface of treatment tank body 1 through base B, wherein the surface of a set of stirring rods 32 penetrates the inside of treatment tank body 1, extends to the outside of treatment tank body 1, and is fixedly connected to the output end of motor B34.
In this embodiment: when needs deposit the impurity in the waste water, after the inside waste water of treatment box body 1 stewed for a period, add the flocculating agent, then start motor B34, motor B34's output can drive one of them a set of puddler 32 and rotate, and then can drive one of them a set of sprocket 31 and rotate, under the cooperation effect of chain 33, can make two sets of sprockets 31 rotate, and then drive two sets of puddlers 32 and rotate, stirring vane 35 can stir the inside waste water of treatment box body 1, accelerate the inside waste water flow of treatment box body 1, and then can make the flocculating agent faster combine with the impurity in the waste water, can more rapid precipitate the impurity in the waste water.
Working principle: when the waste water after car washing is required to be treated, the waste water is introduced into the treatment box body 1 through the water inlet pipe, before the waste water is discharged into the treatment box body 1, a user can start the electric push rod I, the electric push rod I drives the movable block to move towards the rear side along the side opening, the corrugated pipe is slowly contracted, meanwhile, the movable block also drives the front of the fishing net body 11 to slowly fold and retract, so that the waste water entering the treatment box body 1 can not pass through the fishing net, after the waste water is introduced, the electric push rod I drives the movable block to move towards the front of the side opening, the fishing net body 11 can be slowly unfolded, the surface of the waste water in the treatment box body 1 can be fished at the moment, Because the foam is easy to float on the water surface, the net body 11 can timely drag out the foam and separate from the wastewater, so as to realize the first step treatment of the wastewater, and simultaneously, the impurities floating on the surface of the wastewater can be salvaged when the foam is salvaged, when the net body 11 is used for a long time and the impurities accumulated on the surface of the net body 11 are more, the motor A24 is started at the moment, the output end of the motor A24 can drive the reciprocating screw rod 21 to rotate, and then the screw block 23 can be driven to reciprocate, the movement of the screw block 23 can drive the guide block 22 to move in the guide groove formed in the treatment box body 1, the movement of the screw block 23 can drive the limiting block 29 and the scraping plate 27 to move, The impurities on the surface of the fishing net body 11 can be cleaned, the cleaned impurities are pushed to the outside of the treatment box body 1 through the guide of the guide plate 25 and then enter the inside of the collection box 26, the fishing net is in an arc-shaped structure, the height of the scraping plate 27 can be adjusted under the matching action of the spring A28 and the limiting block 29, the fishing net body 11 can be better cleaned, the impurities accumulated on the surface of the fishing net body 11 can be cleaned, the fishing effect of the fishing net is prevented from being reduced due to excessive accumulation of the impurities on the surface of the fishing net body 11, the subsequent car washing wastewater can be better treated, the use of people is facilitated, after the wastewater in the treatment box body 1 stands for a period of time, Adding flocculant, then starting motor B34, the output end of motor B34 can drive one group of stirring rod 32 to rotate, then can drive one group of chain wheel 31 to rotate, under the cooperation of chain 33, can drive two groups of chain wheels 31 to rotate, then drive two groups of stirring rod 32 to rotate, stirring blade 35 can stir the wastewater in the treatment tank body 1, accelerate the wastewater flow in the treatment tank body 1, then can make flocculant combine with impurities in the wastewater faster, can precipitate impurities in the wastewater more rapidly, quicken the wastewater treatment efficiency, then start electric push rod two, The push plate is pushed to move to the right side by the second electric push rod, and impurities deposited at the bottom in the treatment box body 1 are pushed to the right side by the push plate because the bottom of the push plate is tightly attached to the bottom in the treatment box body 1, so that the deposited impurities are all pushed to be deposited on the right side in the treatment box body 1 and correspond to the discharge outlet left and right, the discharge outlet is in a long-term closed state, and when the discharge outlet is needed to be used, the discharge outlet is opened again, and therefore, the impurities deposited at the bottom of the treatment box body 1 can be scraped.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a carwash system industrial wastewater treatment device, includes treatment box body (1) and installs inside bailing body (11) of treatment box body (1), its characterized in that: the cleaning assembly (2) is arranged in the treatment box body (1) and is close to one side of the bailing body (11);
The cleaning assembly (2) comprises a reciprocating screw rod (21) which is rotationally connected to the inside of the treatment box body (1) through a bearing A, a screw block (23) which is in threaded connection with the surface of the reciprocating screw rod (21) and a scraping plate (27) which is arranged below the screw block (23), the scraping plate (27) is attached to the upper surface of the fishing net body (11), and the section shape of the scraping plate (27) is an equilateral triangle.
2. The car washing system industrial wastewater treatment device according to claim 1, wherein: one side of the surface of the scraping plate (27) close to the screw block (23) is fixedly connected with a limiting block (29) in a T-shaped structure, a limiting groove used for sliding in the vertical direction of the limiting block (29) is formed in the screw block (23), and a plurality of springs A (28) are fixedly connected between the upper surface of the limiting block (29) and the top side of the inner wall surface of the screw block (23).
3. The car washing system industrial wastewater treatment device according to claim 2, wherein: the surface side of the treatment box body (1) is provided with a motor A (24) through a base A, and one end of the reciprocating screw rod (21) penetrates through the inner side of the treatment box body (1) and extends to the outer side of the treatment box body (1) and is fixedly connected with the output end of the motor A (24).
4. A car washing system industrial wastewater treatment device according to claim 3, wherein: the upper surface of the screw block (23) is fixedly connected with a guide block (22) with a T-shaped structure, and a guide groove for sliding the guide block (22) in the horizontal direction is formed in the treatment box body (1).
5. The car washing system industrial wastewater treatment device according to claim 4, wherein: the inside left and right sides of processing case body (1) all has seted up and is the through groove that the slope set up, and the bottom surface fixedly connected with deflector (25) of this through groove, the extension end of deflector (25) extends to the outside of processing case body (1), the left and right sides surface of processing case body (1) is close to one side fixedly connected with collection box (26) of deflector (25).
6. The car washing system industrial wastewater treatment device according to claim 5, wherein: the stirring assembly (3) is arranged below the fishing net body (11);
The stirring assembly (3) comprises stirring rods (32) which are rotatably connected inside the treatment box body (1) through bearings B, chain wheels (31) fixedly connected to one ends of the surfaces of the stirring rods (32) in each group, and chains (33) which are connected between the two groups of chain wheels (31) in a meshed mode, wherein stirring blades (35) which are of wavy structures are fixedly connected to the surfaces of the stirring rods (32) in each group.
7. The car wash system industrial wastewater treatment device of claim 6, wherein: the motor B (34) is arranged below the motor A (24), the motor B (34) is installed on the surface of the treatment box body (1) through the base B, one group of stirring rods (32) penetrate through the inner side of the treatment box body (1) and extend to the outer side of the treatment box body (1), and the stirring rods are fixedly connected with the output end of the motor B (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076453.6U CN221275396U (en) | 2023-11-15 | 2023-11-15 | Industrial wastewater treatment device of car washing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076453.6U CN221275396U (en) | 2023-11-15 | 2023-11-15 | Industrial wastewater treatment device of car washing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221275396U true CN221275396U (en) | 2024-07-05 |
Family
ID=91696599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323076453.6U Active CN221275396U (en) | 2023-11-15 | 2023-11-15 | Industrial wastewater treatment device of car washing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221275396U (en) |
-
2023
- 2023-11-15 CN CN202323076453.6U patent/CN221275396U/en active Active
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