CN211595151U - Automatic slag removal device and biological purification tank - Google Patents
Automatic slag removal device and biological purification tank Download PDFInfo
- Publication number
- CN211595151U CN211595151U CN201921898824.XU CN201921898824U CN211595151U CN 211595151 U CN211595151 U CN 211595151U CN 201921898824 U CN201921898824 U CN 201921898824U CN 211595151 U CN211595151 U CN 211595151U
- Authority
- CN
- China
- Prior art keywords
- slag
- traveling
- walking
- removal device
- track
- 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.)
- Active
Links
Images
Landscapes
- Devices For Medical Bathing And Washing (AREA)
Abstract
The utility model relates to an automatic scarfing cinder device and biological purification pond, include: a controller; the track mechanism is annular and is used for surrounding the periphery of the screen; the slag scraping mechanism comprises a first traveling assembly and a slag scraping piece, wherein the first traveling assembly is movably arranged on the track mechanism and is electrically connected with the controller, and the slag scraping piece is arranged on the first traveling assembly; and the washing mechanism comprises a second walking component which is movably arranged on the track mechanism and electrically connected with the controller, and a washing head arranged on the second walking component. The automatic slag removing device can complete the slag removing operation on the screen to the maximum extent, has high slag removing efficiency and good slag removing effect, can ensure that the screen has continuous good water passing capacity, and can effectively reduce the labor intensity of workers and reduce the labor cost expenditure because the whole slag removing operation does not need manpower participation.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an automatic scarfing cinder device and biological purification pond.
Background
At present, in the sewage treatment industry, various types of sewage in life, industrial production and the like are generally sent into a purification tank of a sewage treatment center through pipelines, filtered and purified through processes such as precipitation, biodegradation, chemical reaction and the like, and then discharged from a water outlet of the purification tank to be supplied to people for use again. The water outlet is usually provided with a screen to prevent impurities floating in the sewage, such as branches, leaves, plastic bags and the like, from flowing into the downstream, but the normal water passing capacity of the screen is affected by the excessive accumulation of the impurities on the screen, so that the screen needs to be cleaned regularly. The existing slag removal mode still remains manual slag removal by a hand-held tool of a worker, so that the labor intensity of operation is high, and the labor cost is increased; the operation efficiency is low, and the efficiency of sewage purification treatment is influenced; and the slag removal effect is not good enough, so that dirt is easy to remain on the screen to influence the water passing effect.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an automatic slag removal device and a biological purification tank, and the automatic slag removal device and the biological purification tank are used for solving the problems of high labor intensity, high labor cost, low slag removal efficiency and poor slag removal effect of the screen slag removal operation in the prior art.
The technical scheme is as follows:
in one aspect, the application provides an automatic slag removal device, which includes:
a controller;
the track mechanism is annular and is used for surrounding the periphery of the screen;
the slag scraping mechanism comprises a first traveling assembly and a slag scraping piece, wherein the first traveling assembly is movably arranged on the track mechanism and is electrically connected with the controller, and the slag scraping piece is arranged on the first traveling assembly; and
the washing mechanism comprises a second walking assembly and a washing head, wherein the second walking assembly is movably arranged on the track mechanism and electrically connected with the controller, and the washing head is arranged on the second walking assembly.
The automatic slag removing device adopts the composite slag removing process to automatically work, not only can replace manual slag removal of manpower, but also can greatly improve the slag removing effect and efficiency. Specifically, a track mechanism is arranged on the periphery of the screen at the water outlet of the biological purification tank, the track mechanism and the slag scraping mechanism are respectively arranged on the track mechanism and are respectively and well electrically connected with the controller, so that the track mechanism and the slag scraping mechanism can automatically travel along the track mechanism under the instruction output by the controller and carry out slag removal operation on the screen. Specifically, the first walking assembly walks on the track mechanism, so that the slag scraping piece can be driven to scrape impurities accumulated on the surface of the screen mesh; meanwhile, the second walking assembly synchronously walks on the track mechanism and can drive the washing head to further wash and remove dirt which is adhered to the surface of the screen and cannot be scraped by the slag scraping piece, so that the slag removing operation on the screen can be completed to the maximum extent, the slag removing efficiency is high, the slag removing effect is good, the screen can be ensured to have continuous good water passing capacity, and in addition, the whole slag removing operation does not need manpower participation, so that the labor intensity of workers can be effectively reduced, and the manpower cost expenditure is reduced.
The technical solution of the present application is further described below:
in one embodiment, the track mechanism comprises a first half track and a second half track which are mutually connected, the first walking component is movably arranged on the first half track, and the second walking component is movably arranged on the second half track.
In one embodiment, a first limit sensor is connected between the first end of the first half track and the first end of the second half track; and a second limit sensor is connected between the second end of the first half track and the second end of the second half track, and the first limit sensor and the second limit sensor are electrically connected with the control circuit.
In one embodiment, the first half rail is provided with a first arc-shaped corner section, the second half rail is provided with a second arc-shaped corner section, and the first arc-shaped corner section and the second arc-shaped corner section are used for being opposite to the corner part of the screen.
In one embodiment, the first traveling assembly comprises a first traveling seat, a first driving part arranged on the first traveling seat, a first traveling wheel arranged on the first traveling seat and connected with the first driving part, and a first connecting arm arranged on the first traveling seat, the first traveling wheel is hooked with the first half rail and connected with the first half rail in a rolling mode, and the first connecting arm is connected with the slag scraping piece.
In one embodiment, the slag scraping piece comprises a slag scraping rod and at least two rows of slag scraping bristles arranged on the slag scraping rod at intervals, and a slag containing groove is formed between every two adjacent rows of slag scraping bristles.
In one embodiment, the second walking assembly comprises a second walking seat, a second driving part arranged on the second walking seat, a second walking wheel arranged on the second walking seat and connected with the second driving part, and a second connecting arm arranged on the second walking seat, the second walking wheel is hooked with the second half track in a rolling manner, and the second connecting arm is connected with the washing head.
In one embodiment, the washing head comprises a rotating motor arranged on the second connecting arm, a brush disc connected with a power shaft of the rotating motor, and washing bristles arranged on the brush disc.
In one embodiment, the washing head further comprises a universal ball arranged on the brush disc, and a magnet layer is coated outside the universal ball.
In addition, the application also provides a biological purification tank, which comprises the automatic slag removal device.
Drawings
Fig. 1 is a schematic view of an installation structure of an automatic slag removing device according to an embodiment of the present invention.
Description of reference numerals:
10. a track mechanism; 11. a first half track; 111. a first arcuate corner segment; 12. a second half track; 121. a second arcuate corner segment; 20. a slag scraping mechanism; 21. a first travel assembly; 22. a slag scraping piece; 221. a slag scraping rod; 222. scraping slag wool; 30. a washing mechanism; 31. a second walking assembly; 32. a brush washing head; 321. a rotating electric machine; 322. brushing a disc; 323. washing the bristles; 40. a first limit sensor; 50. a second limit sensor; 60. a tank body; 61. and (7) a water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to," "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
The application claims a biological purification tank, which comprises a tank body 60, a retaining wall, biological purification fillers, an automatic slag removal device and the like. The tank body 60 serves as the main body of the biological purification tank and is used for bearing the sewage to be purified and the retaining wall, the biological purification filler and the automatic slag removal device. The tank body 60 is provided with a water inlet and a water outlet 61, sewage flows in from the water inlet and flows out from the water outlet 61 after being purified, and a screen is arranged at the water outlet 61 and used for filtering and blocking various pollutants in the sewage.
The automatic slag removing device is arranged on the tank body 60 or the screen mesh and is used for removing dirt accumulated on the screen mesh. The retaining wall is used for being arranged inside the pool body 60 and is used for flow equalization and flow distribution of sewage. The biological purification filler is used for being scattered into the sewage in the tank body 60 to carry out biological purification treatment on the sewage so as to effectively remove phosphorus and carbon compounds in the sewage.
Of course, in actual production, the biological purification tank further includes other components such as an aeration device and a dosing device, which can be selected according to actual needs and will not be described herein again.
As shown in fig. 1, an automatic slag removing device shown in an embodiment of the present application includes: a controller, a track mechanism 10, a slag scraping mechanism 20 and a washing mechanism 30. Specifically, the controller may be any intelligent control device capable of automatically outputting a control instruction in the prior art, such as but not limited to a PLC, an industrial personal computer, a micro-control computer, and the like; in this embodiment, the controller preferably adopts PLC, has advantages such as programming is simple, and control is accurate, and the reliability is high, does benefit to the work efficiency who guarantees automatic scarfing cinder device.
The rail mechanism 10 serves as a moving carrier of the slag scraping mechanism 20 and the washing mechanism 30, and guides a moving path. The slag scraping mechanism 20 and the washing mechanism 30 are respectively used for scraping and washing off dirt on the screen mesh to ensure the slag removing effect on the screen mesh.
In the scheme, the track mechanism 10 is annular and is arranged around the screen; the slag scraping mechanism 20 comprises a first traveling assembly 21 which is movably arranged on the track mechanism 10 and is electrically connected with the controller, and a slag scraping piece 22 arranged on the first traveling assembly 21; the washing mechanism 30 includes a second traveling assembly 31 movably disposed on the track mechanism 10 and electrically connected to the controller, and a washing head 32 disposed on the second traveling assembly 31.
In summary, the implementation of the above scheme of the present application will have the following beneficial effects: the automatic slag removing device adopts the composite slag removing process to automatically work, not only can replace manual slag removal of manpower, but also can greatly improve the slag removing effect and efficiency. Specifically, the rail mechanism 10 is installed on the periphery of the screen at the water outlet 61 of the biological purification tank, and the rail mechanism 10 and the slag scraping mechanism 20 are installed on the rail mechanism 10 respectively and are electrically connected to the controller well, so that the two mechanisms can automatically travel along the rail mechanism 10 under the instruction output by the controller to perform the slag removing operation on the screen. Specifically, the first walking assembly 21 walks on the track mechanism 10, and can drive the slag scraping piece 22 to scrape off impurities accumulated on the surface of the screen mesh; meanwhile, the second traveling assembly 31 travels on the track mechanism 10 synchronously, and can drive the brush head 32 to further wash and remove the dirt adhered to the surface of the screen and not scraped by the slag scraping piece 22, so that the slag cleaning operation on the screen can be completed to the maximum extent, the slag cleaning efficiency is high, the slag cleaning effect is good, the screen can be ensured to have continuous good water passing capacity, and in addition, the whole slag cleaning operation does not need manpower participation, so that the labor intensity of workers can be effectively reduced, and the manpower cost expenditure is reduced.
Referring to fig. 1, the shape of the screen can be designed to be circular, square, triangular, etc. according to the different shapes of the water outlet 61 of the tank body 60. In an embodiment of this scheme, delivery port 61 and screen cloth are square, but need guarantee that the area of screen cloth is greater than the area of delivery port 61, ensure that the screen cloth can cover delivery port 61, guarantee the filter residue ability. The track mechanism 10 is also referred to as being square and surrounding the periphery of the screen, and specifically, the track mechanism 10 includes a first half track 11 and a second half track 12 that are engaged with each other, the first traveling assembly 21 is movably disposed on the first half track 11, and the second traveling assembly 31 is movably disposed on the second half track 12. At the moment, the first half track 11 and the second half track 12 are both L-shaped and are fixedly connected end to end into a whole; the slag scraping mechanism 20 can independently walk on the first half rail 11, the washing mechanism 30 can independently walk on the second half rail 12, and the slag scraping mechanism 20 and the washing mechanism 30 do not interfere with each other, so that collision is avoided.
As can be understood, the first traveling assembly 21 moves on the first half rail 11, so that the slag scraping mechanism 20 can scrape most or all areas of the screen on the L-shaped path; the second running assembly 31 moves on the second half track 12 so that the washing mechanism 30 can perform a washing operation on most or all of the area of the screen on the other L-shaped path.
With reference to fig. 1, further, a first limit sensor 40 is connected between the first end of the first half rail 11 and the first end of the second half rail 12; a second limit sensor 50 is connected between the second end of the first half track 11 and the second end of the second half track 12, and the first limit sensor 40 and the second limit sensor 50 are both electrically connected with the controller. Therefore, the first limit sensor 40 and the second limit sensor 50 can detect the positions of the first walking assembly 21 and the second walking assembly 31 in real time, and when the first walking assembly 21 and the second walking assembly 31 move to the limit positions of the first end or the second end, signals are fed back to the controller in time, and the controller stops walking continuously to avoid collision between the first walking assembly 21 and the second walking assembly 31. Alternatively, the first limit sensor 40 and the second limit sensor 50 may be any type of sensor capable of detecting a position and a distance in the related art, such as a laser sensor, an infrared sensor, a photoelectric sensor, and the like.
In particular, in order to make it easier for the first traveling assembly 21 and the second traveling assembly 31 to pass through a right-angle corner when the screen is rectangular, the first half rail 11 is provided with a first arc-shaped corner section 111, the second half rail 12 is provided with a second arc-shaped corner section 121, and the first arc-shaped corner section 111 and the second arc-shaped corner section 121 are both used to be opposite to the corner of the screen. At this time, due to the existence of the first arc-shaped corner section 111 and the second arc-shaped corner section 121, the turning radius of the corresponding track part at the right angle of the screen can be enlarged, so that the first walking assembly 21 and the second walking assembly 31 can pass through more easily.
In an embodiment of the present disclosure, the first traveling assembly 21 includes a first traveling seat, a first driving member disposed on the first traveling seat, a first traveling wheel disposed on the first traveling seat and connected to the first driving member, and a first connecting arm disposed on the first traveling seat, the first traveling wheel is hooked and connected to the first half rail 11 in a rolling manner, and the first connecting arm is connected to the slag scraping member 22. Specifically, the first walking seat is used for bearing and fixing a first driving piece, a first walking part and a first connecting arm; the controller outputs an instruction to control the first driving member to move, the first driving member can drive the first traveling wheel to travel on the first half rail 11, and finally the slag scraping member 22 is driven to move on the surface of the screen mesh, so that various slag materials are scraped completely, and the purpose of removing slag is achieved. And considering that the screen is vertically installed, in order to avoid the first walking component 21 from falling due to self weight, the first walking wheel is required to be connected with the first half rail 11 in a hooking manner, so that the degree of freedom of the first walking component 21 can be limited, and the walking on the first half rail 11 is ensured to be firm.
The so-called hook connection is essentially a fixed structure that the first traveling wheel is assembled with the first half rail 11 without loosing, for example, but not limited to, the first half rail 11 is provided with an inverted U-shaped rail groove, the first traveling wheel rolls in the U-shaped rail groove, and the U-shaped rail groove restricts the first traveling wheel from loosing; or the first half track 11 is provided with an electromagnetic lock, and the electromagnetic lock magnetically attracts and fixes the first walking wheel during working so as to prevent the first walking wheel from falling off due to dead weight and the like.
Referring to fig. 1, in an embodiment, the slag scraping element 22 includes a slag scraping rod 221 and at least two rows of slag scraping bristles 222 spaced apart from the slag scraping rod 221, and a slag containing groove is formed between two adjacent rows of slag scraping bristles 222. So, scrape sediment hair 222 and can once scrape the sediment to the screen cloth surface respectively in at least two rows, change thoroughly and scrape all kinds of dregs matter. The slag containing groove formed between the two adjacent rows of the slag scraping bristles 222 can contain a certain amount of slag, so that the slag is prevented from being accumulated and wound on the slag scraping bristles 222 to influence the slag scraping effect of the slag scraping bristles 222.
In addition, in an embodiment, the second walking assembly 31 includes a second walking base, a second driving member disposed on the second walking base, a second walking wheel disposed on the second walking base and connected to the second driving member, and a second connecting arm disposed on the second walking base, the second walking wheel is hooked with the second half rail 12 and is connected to the second half rail in a rolling manner, and the second connecting arm is connected to the brush head 32. Specifically, the second walking seat is used for bearing and fixing a second driving piece, a second walking piece and a second connecting arm; the controller outputs an instruction to control the second driving part to move, the second driving part can drive the second walking wheel to walk on the second half track 12, and finally the washing head 32 is driven to move on the surface of the screen mesh, so that various dirt adhered to the surface of the screen mesh is washed and cleaned, and the purpose of thoroughly removing the slag is achieved. And considering that the screen cloth is vertical installation, in order to avoid second running assembly 31 to drop because of the dead weight appears, need adopt second walking wheel and second half track 12 latch closure to be connected to can restrict second running assembly 31's degree of freedom, guarantee that it walks firmly on second half track 12.
The so-called hook connection is essentially a fixed structure that makes the second road wheel and the second half rail 12 assembled without loosing, for example, but not limited to, the second half rail 12 is provided with a reversed U-shaped rail groove, the second road wheel rolls in the U-shaped rail groove, and the U-shaped rail groove restricts the second road wheel from loosing; or the second half track 12 is provided with an electromagnetic lock, and the electromagnetic lock magnetically attracts and fixes the second walking wheel in work so as to prevent the second walking wheel from falling off due to dead weight and the like.
Referring to fig. 1, in an embodiment, the brush head 32 includes a rotating motor 321 disposed on the second connecting arm, a brush disc 322 connected to a power shaft of the rotating motor 321, and brush bristles 323 disposed on the brush disc 322. The rotating motor 321 is electrically connected with the controller, and therefore can output rotating power to drive the brush disc 322 to rotate at a high speed, so that the brush disc 322 can finally drive the brush washing bristles 323 to rotate at a high speed to wash the surface of the screen in a rotating manner, and dirt adhered to the surface of the screen can be more easily washed.
In particular, the washing head 32 further includes a universal ball disposed on the brush disc 322, and a magnet layer is coated outside the universal ball. The universal ball can support and press the setting between screen cloth and brush dish 322, and supplementary brush dish 322 cooperates the better removal of second running gear 31, plays the supporting role to brush dish 322, makes brush dish 322 remove more steadily. And set up one side magnet layer through the externally mounted at universal ball, then can further fix brush dish 322 through magnetic attraction, avoid brush dish 322 to take place to drop because of the dead weight is great.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An automatic slag removal device, characterized by comprising:
a controller;
the track mechanism is annular and is used for surrounding the periphery of the screen;
the slag scraping mechanism comprises a first traveling assembly and a slag scraping piece, wherein the first traveling assembly is movably arranged on the track mechanism and is electrically connected with the controller, and the slag scraping piece is arranged on the first traveling assembly; and
the washing mechanism comprises a second walking assembly and a washing head, wherein the second walking assembly is movably arranged on the track mechanism and electrically connected with the controller, and the washing head is arranged on the second walking assembly.
2. The automatic slag removal device of claim 1, wherein the rail mechanism includes a first half rail and a second half rail engaged with each other, the first traveling assembly is movably disposed on the first half rail, and the second traveling assembly is movably disposed on the second half rail.
3. The automatic slag removal device of claim 2, wherein a first limit sensor is connected between the first end of the first half rail and the first end of the second half rail; and a second limit sensor is connected between the second end of the first half track and the second end of the second half track, and the first limit sensor and the second limit sensor are electrically connected with the control circuit.
4. The automatic slag removal device of claim 2, wherein the first half track is provided with a first arc-shaped corner segment and the second half track is provided with a second arc-shaped corner segment, the first arc-shaped corner segment and the second arc-shaped corner segment each being adapted to be opposite to a corner of the screen.
5. The automatic slag removal device of claim 2, wherein the first traveling assembly comprises a first traveling seat, a first driving member disposed on the first traveling seat, a first traveling wheel disposed on the first traveling seat and connected to the first driving member, and a first connecting arm disposed on the first traveling seat, the first traveling wheel being hooked and rollingly connected to the first half rail, the first connecting arm being connected to the slag scraping member.
6. The automatic slag removal device of claim 5, wherein the slag scraping element comprises a slag scraping rod and at least two rows of slag scraping bristles arranged on the slag scraping rod at intervals, and a slag containing groove is formed between every two adjacent rows of slag scraping bristles.
7. The automatic slag removal device of claim 2, wherein the second walking assembly comprises a second walking base, a second driving member disposed on the second walking base, a second walking wheel disposed on the second walking base and connected with the second driving member, and a second connecting arm disposed on the second walking base, the second walking wheel is hooked and connected with the second half-track in a rolling manner, and the second connecting arm is connected with the scrubbing head.
8. The automatic slag removal device of claim 7, wherein the brush head comprises a rotating motor disposed on the second connecting arm, a brush disk connected with a power shaft of the rotating motor, and brush bristles disposed on the brush disk.
9. The automatic slag removal device of claim 8, wherein the brush head further comprises a universal ball disposed on the brush disc, and a magnet layer is coated outside the universal ball.
10. A biological cleaning tank, characterized in that it comprises an automatic slag removal device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898824.XU CN211595151U (en) | 2019-11-05 | 2019-11-05 | Automatic slag removal device and biological purification tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898824.XU CN211595151U (en) | 2019-11-05 | 2019-11-05 | Automatic slag removal device and biological purification tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211595151U true CN211595151U (en) | 2020-09-29 |
Family
ID=72587162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921898824.XU Active CN211595151U (en) | 2019-11-05 | 2019-11-05 | Automatic slag removal device and biological purification tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211595151U (en) |
-
2019
- 2019-11-05 CN CN201921898824.XU patent/CN211595151U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211595151U (en) | Automatic slag removal device and biological purification tank | |
| CN109368834A (en) | A kind of reutilization of the sewage purification system | |
| CN206734267U (en) | A kind of train purging system | |
| CN113287990A (en) | Circulation purification device, cleaning equipment and control method thereof | |
| CN211752844U (en) | Environment-friendly pig house sewage treatment plant | |
| CN208732755U (en) | A kind of factory's treatment tank | |
| CN114749012B (en) | Biological deodorization filtering pond is with intelligent efficient spraying system | |
| KR101712572B1 (en) | Apparatus for cleaning settling tank | |
| CN211595194U (en) | Anti-blocking device and biological purification tank | |
| KR200278552Y1 (en) | Automatic washing and regeneration type air filter for air conditioning | |
| CN213001619U (en) | Mechanical automatic water pipe cleaning machine | |
| CN206372616U (en) | Gas cleaning plant | |
| CN205528059U (en) | Multiple sewage treatment plant | |
| CN209010275U (en) | A kind of feather processing sewage-treatment plant | |
| CN206577469U (en) | A kind of rotating disk micro-filtration | |
| CN108751475B (en) | Car washing sewage circulating system | |
| CN112010458A (en) | Floating active water filtering and oxygenating water quality purification device | |
| CN211546249U (en) | Anti-blocking guide device for screen mesh and biological purification tank | |
| KR200321501Y1 (en) | Clean wash automatic air filter system | |
| CN201592037U (en) | Filter screen cleaning device | |
| CN204543739U (en) | Half immersion turntable filter chamber | |
| CN207583468U (en) | Tailgas purifier of engine with self-cleaning function | |
| CN205419950U (en) | Car washing wastewater circulation system | |
| CN215886611U (en) | Phosphating solution processing waste liquid recycling and purifying device | |
| CN216359094U (en) | Disassembly-free electric cleaning air filtering device special for subway air duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |