CN114130111A - Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more - Google Patents
Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more Download PDFInfo
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- CN114130111A CN114130111A CN202111521741.0A CN202111521741A CN114130111A CN 114130111 A CN114130111 A CN 114130111A CN 202111521741 A CN202111521741 A CN 202111521741A CN 114130111 A CN114130111 A CN 114130111A
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- Prior art keywords
- filter
- box
- sewage treatment
- treatment
- wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 241000220317 Rosa Species 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
Abstract
The invention discloses a sewage treatment hierarchical type filtering device convenient for replacing a filter element, which comprises a treatment box, a chopping combination connected to the top end of the treatment box and the filter element arranged in the inner cavity of the treatment box, wherein the inner wall of the treatment box is connected with a fixing combination for fixing the filter element; fixed combination includes filter vat, lower spacing pipe and waterproof motor, the inner wall connection who handles the case has cup jointed and has the open-ended filter vat at the top of filter core periphery, the inner wall connection of filter vat has waterproof motor, waterproof motor's output shaft has the connecting rod through the coupling joint, and the top of connecting rod is connected with the backup pad, and the top of backup pad is connected with the lower spacing pipe that is used for spacing filter core, the first one's of filter core periphery is provided with the last spacing pipe that is used for spacing filter core. This hierarchical formula filter equipment of sewage treatment convenient to renew cartridge not only can promote the treatment effect of filter core, can also carry out elementary design to water liquid, reduces the work burden of filter core.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment hierarchical filtering device with a conveniently replaced filter element.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
At present, when sewage is treated, impurities in the sewage need to be filtered firstly, then chemicals existing in the sewage are treated in a grading mode, a filtering device needs to be used in the filtering treatment, and a filter element needs to be used.
Chinese patent document discloses a sewage treatment hierarchical formula filter equipment (application publication number CN112619225A) convenient to renew cartridge more, including filter core installation pipe, booster pump, main part case and thick rose box, thick rose box is installed in the main part incasement, and impurity discharge pipe and inlet tube all communicate with thick rose box, the frame plate is installed to one side inner wall of thick rose box, installs the filter screen on the frame plate. The invention has the advantages of higher filtering efficiency, convenient installation and disassembly and convenient replacement of the filter element, can filter relatively larger impurities in the sewage and improves the service cycle of the filter element. But has the disadvantages that: although it is easy to assemble and disassemble, it has no function of improving the treatment effect.
Disclosure of Invention
The invention aims to provide a sewage treatment hierarchical filtering device convenient for replacing a filter element so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment graded filtering device convenient for filter element replacement comprises a treatment box, a chopping combination connected to the top end of the treatment box and a filter element arranged in the inner cavity of the treatment box, wherein the inner wall of the treatment box is connected with a fixing combination used for fixing the filter element;
fixed combination includes filter vat, lower spacing pipe and waterproof motor, the inner wall connection who handles the case has cup jointed and has the open-ended filter vat at the top of filter core periphery, the inner wall connection of filter vat has waterproof motor, waterproof motor's output shaft has the connecting rod through the coupling joint, and the top of connecting rod is connected with the backup pad, and the top of backup pad is connected with the lower spacing pipe that is used for spacing filter core, the first one's of filter core periphery is provided with the last spacing pipe that is used for spacing filter core, and the inner wall connection of last spacing pipe has hourglass hopper-shaped liquid that connects to fight, the bottom that connects the liquid to fight is connected with the brush cleaner that is used for clearing up the filter core.
In a further embodiment, the periphery of the filter barrel is provided with two liquid outlet channels for the liquid receiving hopper to move.
In a further embodiment, the shredding combination comprises a filter box, a treatment barrel and a rotating motor, a rectangular channel is formed in the top end of the treatment box, the inner wall of the rectangular channel is connected with the filter box, the treatment barrel is arranged above the filter box, a plurality of connecting rods are connected between the filter box and the treatment barrel, a liquid outlet pipe with an electromagnetic valve is communicated between the filter box and the treatment barrel, and a circular channel connected with the fixed combination is formed in the bottom end of the filter box.
In a further embodiment, the top of handling the bucket is connected with the bung, and the top of bung is connected with the rotating electrical machines, and the output shaft of rotating electrical machines has the dwang through the coupling joint, and the dwang runs through the inner chamber that the bung extends to handling the bucket, and the periphery of dwang is connected with the cutting knife, and the top intercommunication of bung has the inlet pipe that has sealed lid.
In a further embodiment, the inner wall of the filter box is connected with an inclined filter frame, the top end of the filter frame is connected with a filter screen, the side surface of the filter box is provided with a material taking channel, the material taking channel is rotatably connected with a movable door, and the movable door is connected with the filter box through a coded lock.
In a further embodiment, the inner wall of the treatment box is also connected with a plurality of square connecting frames arranged side by side, and the side surfaces of the connecting frames are respectively connected with a plurality of filter layers.
In a further embodiment, the bottom end of the processing box is constructed to be an inclined plane, a discharging channel is formed in the bottom end of the processing box, a movable plate is rotatably connected to the inner wall of the discharging channel and connected with the processing box through a coded lock, and two long rods and two short rods are connected to the bottom end of the processing box.
In a further embodiment, the side surface of the treatment box is provided with a transversely arranged observation groove, and the inner wall of the observation groove is connected with an observation window.
In a further embodiment, the side of the treatment box far away from the fixed combination is communicated with a water outlet pipe with an electromagnetic valve.
In a further embodiment, the liquid receiving hopper is connected with the filter barrel through a connecting block, and the inner wall of the filter barrel is connected with a corresponding hopper matched with the liquid receiving hopper.
The invention has the technical effects and advantages that: the sewage treatment hierarchical type filtering device convenient for replacing the filter element benefits from the design of a fixed combination, the liquid receiving hopper is matched with the supporting plate, the stability of the filter element can be ensured, the filter element is convenient to disassemble after the liquid receiving hopper is disassembled, the liquid receiving hopper is matched with the corresponding hopper, and the liquid can be ensured to stably fall into the filter element, so that the treatment is carried out, the rotating motor drives the supporting plate and the filter element to rotate, and further the cleaning brush is assisted to clean the filter element, and the subsequent treatment effect is ensured;
benefit from the design of the combination of cutting up, the cutting knife can stir water liquid to the large size debris of aquatic cut, avoid its subsequent processing of influence, the processing of the filter screen of filter frame can carry out primary filter to the liquid that falls, and the impact of water liquid also can avoid the filter screen to be accomplished stifled die, and circular channel's design can guarantee in the accurate fixed combination that falls of water liquid, and then is handled by the filter core.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a treatment tank of the present invention;
FIG. 3 is a bottom view of the treatment tank of the present invention;
FIG. 4 is a cross-sectional view of a filtration tank and treatment tank of the present invention;
fig. 5 is a schematic structural view of the filter vat of the present invention.
In the figure: 1. a treatment tank; 2. cutting and combining; 3. a filter element; 4. fixing and combining; 41. a filter vat; 42. a waterproof motor; 43. a support plate; 44. a lower limit pipe; 45. an upper limit pipe; 46. a liquid receiving hopper; 47. cleaning with a brush; 21. a filter box; 22. a treatment barrel; 23. a liquid outlet pipe; 24. a barrel cover; 25. a rotating electric machine; 26. rotating the rod; 27. a cutting knife; 28. a filter frame; 29. a movable door; 5. a connecting frame; 6. a movable plate; 7. a water outlet pipe; 8. corresponding to the bucket.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In order to ensure the treatment effect of the filter element 3, the stepped sewage treatment filtering device convenient for replacing the filter element shown in fig. 1, 2 and 5 comprises a treatment box 1, a chopping combination 2 connected to the top end of the treatment box 1 and the filter element 3 arranged in the inner cavity of the treatment box 1, wherein the inner wall of the treatment box 1 is connected with a fixing combination 4 for fixing the filter element 3; the fixed combination 4 comprises a filter barrel 41, a lower limit pipe 44 and a waterproof motor 42, the inner wall of the treatment box 1 is connected with the filter barrel 41 which is sleeved on the top of the periphery of the filter element 3 and is provided with an opening in a welding way, the inner wall of the filter barrel 41 is connected with the waterproof motor 42 through a screw, the output shaft of the waterproof motor 42 is connected with a connecting rod through a coupling, the top end of the connecting rod is connected with a supporting plate 43 in a welding way, the top end of the supporting plate 43 is connected with a lower limit pipe 44 used for limiting the filter element 3 in a welding way, the periphery of the upper half part of the filter element 3 is provided with an upper limit pipe 45 used for limiting the filter element 3, the inner wall of the upper limit pipe 45 is connected with a funnel-shaped liquid receiving hopper 46 in a welding way, the bottom end of the liquid receiving hopper 46 is connected with a cleaning brush 47 used for cleaning the filter element 3 in a welding way, the periphery of the filter barrel 41 is provided with two liquid outlet channels used for moving the liquid receiving hopper 46, the liquid receiving hopper 46 is connected with the filter barrel 41 through a connecting block, the inner wall of the filter barrel 41 is connected with a corresponding hopper 8 matched with the liquid receiving hopper 46 in a welding way, water liquid enters the fixed combination 4, is filtered by the filter element 3 and then falls into the treatment box 1, and then is filtered by the filter layer to discharge water from the water outlet pipe 7, and in the process, the waterproof motor 42 drives the filter element 3 to rotate, and then is cleaned by the fixed cleaning brush 47.
Referring to fig. 1 and 4, in order to treat water liquid and reduce the workload of the filter element 3, the shredding assembly 2 includes a filter box 21, a treatment barrel 22 and a rotating electrical machine 25, a rectangular channel is formed at the top end of the treatment box 1, the inner wall of the rectangular channel is welded with the filter box 21, the treatment barrel 22 is arranged above the filter box 21, a plurality of connecting rods are welded between the filter box 21 and the treatment barrel 22, a liquid outlet pipe 23 with an electromagnetic valve is communicated between the filter box 21 and the treatment barrel 22, a circular channel connected with the fixed assembly 4 is formed at the bottom end of the filter box 21, a barrel cover 24 is connected at the top end of the treatment barrel 22 through screws, the rotating electrical machine 25 is connected at the top end of the barrel cover 24 through screws, an output shaft of the rotating electrical machine 25 is connected with a rotating rod 26 through a coupler, the rotating rod 26 penetrates through the barrel cover 24 and extends to an inner cavity of the treatment barrel 22, a cutting knife 27 is welded to the periphery of the rotating rod 26, the top end of the barrel cover 24 is communicated with a feeding pipe with a sealing cover, the inner wall of the filter box 21 is connected with an inclined filter frame 28, the top end of the filter frame 28 is connected with a filter screen, the side surface of the filter box 21 is provided with a material taking channel, the material taking channel is rotatably connected with a movable door 29, the movable door 29 is connected with the filter box 21 through a coded lock, water liquid enters the inner cavity of the treatment barrel 22, the rotating motor 25 drives the cutting knife 27 to rotate, after treatment is completed, the electromagnetic valve of the liquid outlet pipe 23 is opened, the water liquid falls after treatment is completed, then is filtered by the filter screen of the filter frame 28, and finally falls into the fixed combination 4.
Referring to fig. 1 and 4, in order to perform multi-stage treatment on water liquid, the inner wall of the treatment box 1 is further connected with a plurality of square-shaped connection frames 5 arranged side by side, the side surfaces of the connection frames 5 are respectively connected with a plurality of filter layers, the mesh number of the filter layers is sequentially increased from left to right, and other filter devices can be replaced, the bottom end of the treatment box 1 is structured as an inclined plane, a discharge channel is arranged at the bottom end of the treatment box 1, the inner wall of the discharge channel is rotatably connected with a movable plate 6, the movable plate 6 is connected with the treatment box 1 through a coded lock, the bottom end of the treatment box 1 is welded with two long rods and two short rods, a transversely arranged observation groove is arranged on the side surface of the treatment box 1, the inner wall of the observation groove is connected with an observation window, the side surface of the treatment box 1, which is far away from the fixed combination 4, is communicated with a water outlet pipe 7 with the electromagnetic valve, and the side surface of the treatment box 1, which is far away from the water outlet pipe 7 is hinged with an auxiliary plate, and the auxiliary plate is connected with the treatment box 1 through the coded lock.
The theory of operation, this be convenient for change sewage treatment hierarchical formula filter equipment of filter core, with outlet pipe 7 with connect liquid equipment intercommunication, then with inlet tube and inlet means intercommunication, then open rotating electrical machines 25 and waterproof motor 42, water liquid advances the inner chamber of processing bucket 22, rotating electrical machines 25 drives cutting knife 27 and rotates, after the processing is accomplished, open drain pipe 23's solenoid valve, water liquid falls down after being handled and accomplishing, then it filters by the filter screen of filter frame 28, finally fall to fixed combination 4 in, fall to in processing case 1 after being filtered by filter core 3, then through the filtration of filtering layer, go out water from outlet pipe 7, at this in-process, waterproof motor 42 drives filter core 3 and rotates, and then cleaned by fixed cleaning brush 47.
Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention.
Claims (10)
1. The utility model provides a sewage treatment hierarchical formula filter equipment convenient to renew cartridge, is being handled the filter core (3) of case (1) inner chamber including handling case (1), connection and cutting up combination (2) and setting on handling case (1) top, its characterized in that: the inner wall of the treatment box (1) is connected with a fixed combination (4) for fixing the filter element (3);
fixed combination (4) include filter vat (41), lower spacing pipe (44) and waterproof motor (42), the interior wall connection who handles case (1) has cup jointed and has open-ended filter vat (41) at the top of filter core (3) periphery, the interior wall connection of filter vat (41) has waterproof motor (42), the output shaft of waterproof motor (42) has the connecting rod through the coupling joint, and the top of connecting rod is connected with backup pad (43), and the top of backup pad (43) is connected with lower spacing pipe (44) that are used for spacing filter core (3), the periphery of the first half of filter core (3) is provided with last spacing pipe (45) that are used for spacing filter core (3), and the interior wall connection of last spacing pipe (45) has hourglass hopper (46) that connects, the bottom that connects liquid hopper (46) is connected with the cleaning brush (47) that are used for clearing up filter core (3).
2. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: two liquid outlet channels for the movement of the liquid receiving hopper (46) are arranged on the periphery of the filter barrel (41).
3. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: the chopping combination (2) comprises a filter box (21), a processing barrel (22) and a rotating motor (25), a rectangular channel is formed in the top end of the processing box (1), the inner wall of the rectangular channel is connected with the filter box (21), the processing barrel (22) is arranged above the filter box (21), a plurality of connecting rods are connected between the filter box (21) and the processing barrel (22), a liquid outlet pipe (23) with an electromagnetic valve is communicated between the filter box (21) and the processing barrel (22), and a circular channel connected with the fixed combination (4) is formed in the bottom end of the filter box (21).
4. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 3, wherein: the top of handling bucket (22) is connected with bung (24), and the top of bung (24) is connected with rotating electrical machines (25), and the output shaft of rotating electrical machines (25) has dwang (26) through the coupling joint, and dwang (26) run through bung (24) and extend to the inner chamber of handling bucket (22), and the periphery of dwang (26) is connected with cutting knife (27), and the top intercommunication of bung (24) has the inlet pipe that has sealed lid.
5. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 3, wherein: the inner wall of rose box (21) is connected with filter frame (28) of slope, the top of filter frame (28) is connected with the filter screen, the side of rose box (21) has been seted up and has been got the material passageway, gets the material passageway and rotates and be connected with dodge gate (29), and dodge gate (29) are connected with rose box (21) through the trick lock.
6. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: the inner wall of the treatment box (1) is also connected with a plurality of square connecting frames (5) which are arranged side by side, and the side surfaces of the connecting frames (5) are respectively connected with a plurality of filter layers.
7. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: the bottom structure of handling case (1) is the inclined plane, the blowing passageway has been seted up to the bottom of handling case (1), and blowing passageway inner wall rotates and is connected with fly leaf (6), fly leaf (6) are connected with handling case (1) through the trick lock, the bottom of handling case (1) is connected with two stock and two quarter butts.
8. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 7, wherein: the side of the treatment box (1) is provided with a transversely arranged observation groove, and the inner wall of the observation groove is connected with an observation window.
9. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: the side surface of the treatment box (1) far away from the fixed combination (4) is communicated with a water outlet pipe (7) with an electromagnetic valve.
10. The staged sewage treatment filter apparatus for facilitating filter cartridge replacement as claimed in claim 1, wherein: the liquid receiving hopper (46) is connected with the filtering barrel (41) through a connecting block, and the inner wall of the filtering barrel (41) is connected with a corresponding hopper (8) matched with the liquid receiving hopper (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521741.0A CN114130111A (en) | 2021-12-13 | 2021-12-13 | Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521741.0A CN114130111A (en) | 2021-12-13 | 2021-12-13 | Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114130111A true CN114130111A (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111521741.0A Pending CN114130111A (en) | 2021-12-13 | 2021-12-13 | Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more |
Country Status (1)
| Country | Link |
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| CN (1) | CN114130111A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208964699U (en) * | 2018-09-07 | 2019-06-11 | 安徽省安泰科技股份有限公司 | A kind of centrifugal type efficient sewage-treatment plant |
| CN209740852U (en) * | 2019-03-26 | 2019-12-06 | 山西益洁盛源环境工程有限公司 | Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more |
| CN211078780U (en) * | 2019-11-05 | 2020-07-24 | 刘丽娜 | Sewage treatment plant that environmental protection used |
| CN211069264U (en) * | 2019-10-23 | 2020-07-24 | 成都卓立环保工程有限公司 | Environment-friendly printing and dyeing wastewater sludge treatment device |
| CN212548525U (en) * | 2020-06-13 | 2021-02-19 | 盐城欧润石化设备制造有限公司 | Filter element with cleaning function for industrial production sewage filtration |
| CN213865470U (en) * | 2020-10-10 | 2021-08-03 | 湖南盛汇环保设备工程有限公司 | Industrial sewage treatment is with activated carbon filter who is convenient for change filter core |
-
2021
- 2021-12-13 CN CN202111521741.0A patent/CN114130111A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208964699U (en) * | 2018-09-07 | 2019-06-11 | 安徽省安泰科技股份有限公司 | A kind of centrifugal type efficient sewage-treatment plant |
| CN209740852U (en) * | 2019-03-26 | 2019-12-06 | 山西益洁盛源环境工程有限公司 | Sewage treatment hierarchical formula filter equipment convenient to renew cartridge more |
| CN211069264U (en) * | 2019-10-23 | 2020-07-24 | 成都卓立环保工程有限公司 | Environment-friendly printing and dyeing wastewater sludge treatment device |
| CN211078780U (en) * | 2019-11-05 | 2020-07-24 | 刘丽娜 | Sewage treatment plant that environmental protection used |
| CN212548525U (en) * | 2020-06-13 | 2021-02-19 | 盐城欧润石化设备制造有限公司 | Filter element with cleaning function for industrial production sewage filtration |
| CN213865470U (en) * | 2020-10-10 | 2021-08-03 | 湖南盛汇环保设备工程有限公司 | Industrial sewage treatment is with activated carbon filter who is convenient for change filter core |
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Application publication date: 20220304 |