CN113072106A - Oil-water separation device for domestic sewage treatment - Google Patents
Oil-water separation device for domestic sewage treatment Download PDFInfo
- Publication number
- CN113072106A CN113072106A CN202110336587.3A CN202110336587A CN113072106A CN 113072106 A CN113072106 A CN 113072106A CN 202110336587 A CN202110336587 A CN 202110336587A CN 113072106 A CN113072106 A CN 113072106A
- Authority
- CN
- China
- Prior art keywords
- oil
- fixedly connected
- filter screen
- movably connected
- domestic sewage
- 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.)
- Withdrawn
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000926 separation method Methods 0.000 title abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 239000004519 grease Substances 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of domestic sewage, and discloses an oil-water separation device for domestic sewage treatment, which comprises a shell, wherein an upper pipeline is fixedly connected inside the shell; utilize the flow condition of sewage self and cutting magnetic induction line principle, trigger the separation operation of sewage, increase the linkage nature between the structure, do not need artificial manual start, higher degree of automation has, the automatic vibration filter screen, promote the profit whereabouts in the sewage, realize solid-liquid separation, and avoid impurity static placing to lead to the filter screen to take place to block up, make sewage discharge smoothly, utilize the difference that utilizes the water oil condensation point, it gets rid of to the sump oil tank to make the grease receive centrifugal action after receiving the cold condensation in, realize oil-water separation, avoid grease adhesion pipeline and make the pipe blockage, higher practicality has, according to actual need, clear up the debris on filter screen surface, make impurity concentrate to collect in the workbin, avoid impurity to pile up on the filter screen surface, influence the discharge progress of sewage.
Description
Technical Field
The invention relates to the technical field of domestic sewage, in particular to an oil-water separation device for domestic sewage treatment.
Background
Domestic sewage is wastewater discharged in daily life of residents, mainly comprises wastewater from residential buildings and public buildings, and needs different treatment modes according to different sewage sources. For example, kitchen sewage is generally blocked by installing a filter screen below a water outlet of a bowl washing tank in order to prevent impurities from blocking a pipeline because the kitchen sewage is composed of oil stains, waste water and mixed leftovers. But because the filter screen is static to be placed, the discharge progress of sewage is slower, and general filter equipment can adopt the mode of vibration to promote the separation of profit and impurity, but is difficult to handle the profit, and the grease in the profit is attached to the inner wall of pipeline, can reduce the flow area of pipeline, leads to the pipe blockage, influences the emission of sewage. The existing oil-water separation device needs manual starting by an operator, cannot automatically drive separation operation according to actual needs, is low in intelligent degree, and cannot meet actual use requirements.
Aiming at the defects of the prior art, the invention provides the oil-water separation device for domestic sewage treatment, which has the advantages of high automation degree, thorough separation and convenience in operation.
Disclosure of Invention
Technical scheme (I)
In order to realize the purposes of high automation degree, thorough separation and convenient operation, the invention provides the following technical scheme: the oil-water separating device for domestic sewage treatment comprises a shell, an upper pipeline, a screw blade, a first rotating plate, a clamping frame, a magnetic pole group, a filter screen, a rotating disc, a barrier strip, a second rotating plate, a scraper, a lower pipeline, an oil collecting tank, a refrigerator, a filter disc and a copper rod.
Wherein:
the position and connection relationship among the structures are as follows:
an oil-water separation device for domestic sewage treatment comprises a shell, wherein an upper pipeline is fixedly connected inside the shell, the surface of the upper pipeline is movably connected with a first rotating plate, the surface of the upper pipeline is fixedly connected with a magnetic pole group, the inside of the upper pipeline is movably connected with a screw leaf, the surface of the screw leaf is movably connected with the first rotating plate, the surface of the first rotating plate is fixedly connected with a clamping column, the surface of the first rotating plate is movably connected with a clamping frame, the surface of the clamping frame is provided with a through groove, the outer side of the clamping frame is fixedly connected with a magnetic pole group, the magnetic pole group is composed of an N pole block and an S pole block, the lower side of the screw leaf is movably connected with a filter screen, the top of the filter screen is fixedly connected with two pull ropes with the same specification, one side of the pull ropes, which is far away from the filter screen, is movably connected with a rotary table, the upper, the baffle strips are four and have the same specification, two ends of the baffle strips are inclined, a rod body in the middle of the baffle strips and a convex column of the rotary table are positioned on the same plane, the surface of the rotary table is movably connected with a second rotary plate, the inside of the second rotary plate is movably connected with a rotary shaft, a spring is movably connected between the second rotary plate and the rotary table, the surface of an upper pipeline is movably connected with scrapers which have the same specification, the scrapers are composed of a scraping strip and a push block, a lower pipeline is fixedly connected below the upper pipeline and is in a herringbone shape and is composed of a main pipe and two air pipes, the inside of the main pipe is movably connected with a filter disc, the outside of the main pipe is fixedly connected with an oil collecting tank, the outside of the lower pipeline is fixedly connected with an oil collecting tank, the surface of the oil collecting tank is fixedly connected with a refrigerator, the inside of the lower pipeline is movably connected with a filter disc, the, the copper bar is arranged between the N pole block and the S pole block of the magnetic pole group and is electrically connected with the rotating shaft of the second rotating plate, the drive of the filter disc and the refrigerator.
(II) advantageous effects
Compared with the prior art, the invention provides an oil-water separation device for domestic sewage treatment, which has the following beneficial effects:
1. this an oil-water separator for domestic sewage treatment through the combined action of last pipeline, spiral shell leaf, first commentaries on classics board, card frame, magnetic pole group and bar copper, utilizes the mobile condition of sewage self and cutting magnetism to feel the line principle, triggers the separation operation of sewage, increases the linkage nature between the structure, does not need artificial manual start, and the simple operation has higher degree of automation.
2. This an oil-water separator for domestic sewage treatment through, filter screen, carousel, blend stop and the combined action of second commentaries on classics board, the automatic vibration filter screen promotes the profit whereabouts in the sewage, makes the impurity in the sewage be detained on the surface of filter screen, realizes solid-liquid separation to avoid impurity static placing to lead to the filter screen to take place to block up, make sewage discharge smoothly.
3. This an oil-water separator for domestic sewage handles, through the combined action of lower pipeline, sump oil tank, refrigerator and filter disc, utilize the difference that utilizes the water oil condensation point, receive centrifugal action after making the grease be subjected to the cold condensation and get rid of to the sump oil tank in, realize the oil-water separation, avoid grease adhesion pipeline and make the pipe blockage, have higher practicality.
4. This an oil-water separator for domestic sewage treatment through the combined action of upper tube way, filter screen and scraper, according to actual need, clears up the debris on filter screen surface, makes impurity concentrate to collect in the workbin, avoids impurity to pile up on the filter screen surface, influences the discharge progress of sewage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic view of the connection relationship between the pipeline and the filter disc under the structure of the invention.
In the figure: 1. a housing; 2. an upper pipeline; 3. a leaf of a snail; 4. a first rotating plate; 5. clamping a frame; 6. a magnetic pole group; 7. filtering with a screen; 8. a turntable; 9. blocking strips; 10. a second rotating plate; 11. a scraper; 12. a lower pipeline; 13. an oil collecting tank; 14. a refrigerator; 15. a filter tray; 16. a copper rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-3, an oil-water separator for domestic sewage treatment, comprising a housing 1, an upper pipe 2 fixedly connected to the inside of the housing 1, a first rotary plate 4 movably connected to the surface of the upper pipe 2, a magnetic pole group 6 fixedly connected to the surface of the upper pipe 2, an inverted T-shaped upper pipe 2, a filter screen 7 movably connected to the inside of a horizontal pipe, two inverted L-shaped channels with the same specification formed on the surface of the horizontal pipe, two bins with the same specification fixedly connected to the outside of the horizontal pipe, a spiral blade 3 movably connected to the inside of the vertical pipe, a spiral blade 3 movably connected to the inside of the upper pipe 2, a first rotary plate 4 movably connected to the surface of the spiral blade 3, a clamp column fixedly connected to the surface of the first rotary plate 4, the size of which is matched with the size of the through slot of the clamp frame 5, a clamp frame 5 movably connected to the surface of the first rotary plate 4, a through slot formed on the surface of the clamp frame 5, and a magnetic pole block 5 movably clamped between the N Utmost point group 6, magnetic pole group 6 comprises N utmost point piece and S utmost point piece, the below swing joint of spiral leaf 3 has filter screen 7, two stay cords that the specification is the same of filter screen 7' S top fixedly connected with, one side swing joint that filter screen 7 was kept away from to the stay cord has carousel 8, the top swing joint of filter screen 7 has carousel 8, the surperficial fixedly connected with of carousel 8 has four projections that the specification is the same, distance between two adjacent projections equals, in the beginning, carousel 8 rolls up the stay cord, stay cord pulling filter screen 7 moves to the peak this moment, the outside fixedly connected with blend stop 9 of carousel 8, blend stop 9 has four and the specification is the same, the both ends of blend stop 9 present the slope form, the blend stop 9 middle part body of rod is located the coplanar with the projection of carousel 8, blend stop 9 has the hindrance effect to the motion of second commentaries on classics.
The surface of the rotary table 8 is movably connected with a second rotary plate 10, the inside of the second rotary plate 10 is movably connected with a rotating shaft, a spring is movably connected between the second rotary plate 10 and the rotary table 8, when the second rotary plate 10 rotates, a convex column close to the surface of the rotary table 8 can drive the rotary table 8 to rotate by pushing the convex column, the surface of the upper pipeline 2 is movably connected with scrapers 11, the scrapers 11 are two and have the same specification, each scraper 11 comprises a scraper bar and a push block, the scraper bar is positioned on the surface of the filter screen 7, the push block is movably clamped on the outer side of a horizontal inverted L-shaped channel of the upper pipeline 2, a lower pipeline 12 is fixedly connected below the upper pipeline 2, the lower pipeline 12 is in a herringbone shape and comprises a main pipe and two air pipes, the inside of the main pipe is movably connected with a filter disc 15, an oil collecting tank 13 is fixedly connected on the outer side of the main pipe, an oil collecting tank 13 is fixedly connected on the outer side, the oil inlet is located the outside of filter disc 15, the fixed surface of sump oil tank 13 is connected with refrigerator 14, refrigerator 14 is connected with filter disc 15 electricity, the inside swing joint of lower pipeline 12 has filter disc 15, filter disc 15 comprises disk body and branch, the fixed surface of card frame 5 is connected with bar copper 16, bar copper 16 is located between the N utmost point piece and the S utmost point piece of magnetic pole group 6, bar copper 16 is connected with the pivot of second commentaries on classics board 10, the drive of filter disc 15 and refrigerator 14 electricity.
The working process and the principle of the device are as follows:
during the use, the profit gets into in the shell 1 to flow along last pipeline 2, the profit drives the spiral shell leaf 3 and takes place to rotate, spiral shell leaf 3 drives first rotor plate 4 synchronous rotation, first rotor plate 4 drives the card frame 5 and moves between the N utmost point piece of magnetic pole group 6 and S utmost point piece, bar copper 16 synchronous movement, and the magnetic field between cutting N utmost point piece and the S utmost point piece, bar copper 16 produces the electric current, the pivot of drive second rotor plate 10, the drive and the refrigerator 14 operation of filter plate 15, refrigerator 14 refrigerates filter plate 15.
The left second rotating plate 10 rotates counterclockwise, the right second rotating plate 10 rotates clockwise, and initially, the second rotating plate 10 is positioned on the inclined plane of one barrier strip 9, the convex column on one side of the rotating disc 8 is positioned on the outer side of the second rotating plate 10, at the moment, the rotating disc 8 winds the pull rope, the pull rope pulls the filter screen 7 to move to the highest point, so that the second rotating plate 10 moves to the middle part of the barrier strip 9, the second rotating plate 10 does not push the convex column on the surface of the rotating disc 8 any more, the filter screen 7 moves downwards under the action of self gravity, and rotate through stay cord carousel 8, follow-up second changes board 10 and keeps away from blend stop 9 to rotating the projection that is close to carousel 8 surfaces, second changes board 10 and drives carousel 8 reverse rotation through promoting the projection, and carousel 8 rolls the stay cord once more, makes filter screen 7 move up, arouses filter screen 7 to reciprocate and takes place the vibration, realizes the separation of oil water and impurity, avoids impurity to block up filter screen 7.
Accomplish in the oily water entering lower pipeline 12 after filtering, because the temperature on filter disc 15 surface reduces, its temperature does not reach the freezing point of water, make water pass filter disc 15 smoothly, the water in the oily water passes through filter disc 15 smoothly, and two branch pipes through lower pipeline 12 discharge, and the grease in the aquatic meets cold and takes place to condense, be detained on filter disc 15's surface, the grease that solidifies receives the centrifugal force effect that filter disc 15 rotated the production, throw off filter disc 15, fly into in the sump oil tank 13, collect the grease, realize water-oil separation.
Under the condition that does not have the oil-water circulation, two scrapers 11 of manual pulling keep away from each other, and the scraping strip of scraper 11 removes on the surface of filter screen 7, promotes the impurity on filter screen 7 surface to filter screen 7 both sides, pushes away impurity in two feed bins that the pipeline 2 violently managed, realizes the collection to impurity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an oil-water separator for domestic sewage treatment, includes shell (1), its characterized in that: an upper pipeline (2) is fixedly connected to the inside of the shell (1), a screw blade (3) is movably connected to the inside of the upper pipeline (2), a first rotating plate (4) is movably connected to the surface of the screw blade (3), a clamping frame (5) is movably connected to the surface of the first rotating plate (4), a magnetic pole group (6) is fixedly connected to the outer side of the clamping frame (5), a filter screen (7) is movably connected to the lower portion of the screw blade (3), a rotating disc (8) is movably connected to the upper portion of the filter screen (7), a barrier strip (9) is fixedly connected to the outer side of the rotating disc (8), a second rotating plate (10) is movably connected to the surface of the rotating disc (8), a scraper (11) is movably connected to the surface of the upper pipeline (2), a lower pipeline (12) is fixedly connected to the lower portion of the upper pipeline (2), an oil collecting tank (13) is fixedly connected to the outer side of the lower pipeline (12, the interior of the lower pipeline (12) is movably connected with a filter disc (15), and the surface of the clamping frame (5) is fixedly connected with a copper bar (16).
2. The oil-water separator for domestic sewage treatment according to claim 1, wherein: the surface of the upper pipeline (2) is movably connected with a first rotating plate (4), the surface of the upper pipeline (2) is fixedly connected with a magnetic pole group (6), and the surface of the first rotating plate (4) is fixedly connected with a clamping column.
3. The oil-water separator for domestic sewage treatment according to claim 1, wherein: logical groove has been seted up on the surface of card frame (5), and magnetic pole group (6) comprise N utmost point piece and S utmost point piece, two stay cords that the same specification of top fixedly connected with of filter screen (7), and one side swing joint that filter screen (7) were kept away from to the stay cord has carousel (8).
4. The oil-water separator for domestic sewage treatment according to claim 1, wherein: the surface of the turntable (8) is fixedly connected with four convex columns with the same specification, the barrier strips (9) are four and have the same specification, two ends of the barrier strips (9) are inclined, and the middle rod body of the barrier strips (9) and the convex columns of the turntable (8) are located on the same plane.
5. The oil-water separator for domestic sewage treatment according to claim 1, wherein: the inside swing joint of second commentaries on classics board (10) has the pivot, swing joint has the spring between second commentaries on classics board (10) and carousel (8), scrapes (11) have two and the specification is the same, scrapes (11) and comprises scraping strip and ejector pad.
6. The oil-water separator for domestic sewage treatment according to claim 1, wherein: the lower pipeline (12) is in a herringbone shape and comprises a main pipe and two air pipes, a filter disc (15) is movably connected inside the main pipe, an oil collecting tank (13) is fixedly connected to the outer side of the main pipe, and the filter disc (15) comprises a disc body and a support rod.
7. The oil-water separator for domestic sewage treatment according to claim 1, wherein: the copper bar (16) is positioned between the N pole block and the S pole block of the magnetic pole group (6), and the copper bar (16) is electrically connected with a rotating shaft of the second rotating plate (10), a drive of the filter disc (15) and the refrigerator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336587.3A CN113072106A (en) | 2021-03-29 | 2021-03-29 | Oil-water separation device for domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336587.3A CN113072106A (en) | 2021-03-29 | 2021-03-29 | Oil-water separation device for domestic sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113072106A true CN113072106A (en) | 2021-07-06 |
Family
ID=76611311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110336587.3A Withdrawn CN113072106A (en) | 2021-03-29 | 2021-03-29 | Oil-water separation device for domestic sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113072106A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483779A (en) * | 2018-04-13 | 2018-09-04 | 宁波清智环保科技有限公司 | Kitchen sewage treatment device |
| CN209411944U (en) * | 2019-01-03 | 2019-09-20 | 西安丹辉环保科技有限公司 | A kind of oil water separator |
| CN111961574A (en) * | 2020-08-15 | 2020-11-20 | 福州鹏渤生物科技有限公司 | Cell separation device for biological field |
| CN112275046A (en) * | 2020-11-17 | 2021-01-29 | 南京曼创聚网络科技有限公司 | Collection device to additional result purification treatment of car metal parts machining |
-
2021
- 2021-03-29 CN CN202110336587.3A patent/CN113072106A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483779A (en) * | 2018-04-13 | 2018-09-04 | 宁波清智环保科技有限公司 | Kitchen sewage treatment device |
| CN209411944U (en) * | 2019-01-03 | 2019-09-20 | 西安丹辉环保科技有限公司 | A kind of oil water separator |
| CN111961574A (en) * | 2020-08-15 | 2020-11-20 | 福州鹏渤生物科技有限公司 | Cell separation device for biological field |
| CN112275046A (en) * | 2020-11-17 | 2021-01-29 | 南京曼创聚网络科技有限公司 | Collection device to additional result purification treatment of car metal parts machining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217105363U (en) | Drainage rod | |
| CN113217408A (en) | Anti-blocking submersible pump | |
| CN114673244A (en) | A kind of high stability flood control and drainage pump station | |
| CN115198975B (en) | Roof structure capable of collecting and utilizing rainwater for energy-saving building | |
| CN111677092B (en) | A municipal sewage pipeline | |
| CN114538586A (en) | Sewage treatment device with function of spraying flocculating agent | |
| CN113931275B (en) | Water conservancy pipeline with automatic slag removal function for hydraulic engineering | |
| CN114344993A (en) | Waste oil recycling device | |
| CN218264174U (en) | Prevent stifled fixed point monitoring case suitable for municipal administration pipeline | |
| CN113072106A (en) | Oil-water separation device for domestic sewage treatment | |
| CN111778847A (en) | Drainage device of quick discharge municipal bridge surface ponding | |
| CN112211269A (en) | Floor drain capable of preventing hair from being blocked based on water flow self-operation | |
| CN208121732U (en) | A kind of oil slick collecting device | |
| CN211838474U (en) | Chip cleaner for recovering cutting fluid | |
| CN218248733U (en) | A water supply and drainage filter device that can automatically clean up impurities | |
| CN218221420U (en) | Sewage pretreatment mechanism for sewage source heat pump heating | |
| CN216475422U (en) | Environment-friendly water supply and drainage device | |
| CN217377378U (en) | Oily wastewater treatment equipment | |
| CN221760872U (en) | A new type of sewer drainage device suitable for garden construction | |
| CN221524991U (en) | Anti-blocking device for water inlet of hydroelectric power generation | |
| CN223867184U (en) | River course garbage treatment device for hydroelectric power generation with convenient discharge mechanism | |
| CN216405679U (en) | Prefabricated pump station floating garbage automatic collection device of integration | |
| CN111589206B (en) | Sewage and garbage classification treatment device | |
| CN222324452U (en) | A rainwater filter | |
| CN223372838U (en) | Oil-water separation equipment for hotel catering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210706 |