CN118949536B - Rake type trash remover for sewage treatment - Google Patents
Rake type trash remover for sewage treatment Download PDFInfo
- Publication number
- CN118949536B CN118949536B CN202411419136.6A CN202411419136A CN118949536B CN 118949536 B CN118949536 B CN 118949536B CN 202411419136 A CN202411419136 A CN 202411419136A CN 118949536 B CN118949536 B CN 118949536B
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- CN
- China
- Prior art keywords
- harrow
- cleaning
- rotating shaft
- mounting
- rake teeth
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Classifications
-
- 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
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The application relates to the technical field of sewage treatment equipment and discloses a toothed harrow type sewage cleaner for sewage treatment, which comprises a harrow toothed chain, wherein a cleaning component is arranged on the back surface of the harrow toothed chain, the cleaning component comprises a rotating shaft, the rotating shaft is arranged on a rack, the rotating shaft is fixedly connected with mounting sleeves, the mounting sleeves are in one-to-one correspondence with the number of rows of harrow teeth, the mounting sleeves are fixedly connected with two mounting arms, the two mounting arms are just arranged on two sides of one row of harrow teeth, and the mounting sleeves are hinged with cleaning arms. This tooth-rake type trash remover for sewage treatment, when remaining the foreign matter on the clearance rake teeth, the clearance arm is removed along the installation pole, because the direction of motion of clearance arm is unanimous with the trend of rake teeth, adhesion or the foreign matter of cover on the clearance rake teeth that can be better plays better clearance effect, secondly, clearance arm inserts the clearance of two rake teeth earlier, then contacts with the rake teeth to because clearance arm and rake teeth's contact position slope, make the foreign matter remove towards the outside, avoid the rake teeth root to remain too big foreign matter.
Description
Technical Field
The application relates to the technical field of sewage treatment equipment, in particular to a toothed harrow type sewage cleaner for sewage treatment.
Background
The toothed harrow type trash remover is assembled into a group of rotary grid chains by a unique harrow tooth. The rake teeth chains are driven by the motor reducer to perform rotary motion in the reverse water flow direction. When the rake teeth chain runs to the upper part of the equipment, the relative self-cleaning motion is generated between each group of rake teeth due to the guiding of the grooved wheels and the bent rails, and most of solid matters fall down by gravity. And the other part of the cleaning brush is used for cleaning sundries stuck on the rake teeth by means of the reverse movement of the cleaning brush.
Generally, the impurities are adhered to the side surfaces of the rake teeth, the cleaning brush is arranged on the rotary cylinder, and when the rake teeth are cleaned, the cleaning brush moves obliquely towards the rake teeth and then obliquely away from the rake teeth. The cleaning brush can push sundries to the root of the rake teeth when the cleaning brush contacts with the rake teeth during cleaning sundries adhered to the rake teeth, and then the sundries are taken away when the cleaning brush is far away from the rake teeth, so that part of sundries are retained at the root of the cleaning brush, and the sundries can enter water when the rake teeth enter the water surface, so that the sewage treatment effect is affected.
Disclosure of Invention
The application provides a toothed harrow type trash remover for sewage treatment, when foreign matters remain on the harrow teeth, a cleaning arm moves along a mounting rod, the cleaning direction is consistent with the trend of the harrow teeth, the foreign matters adhered or sleeved on the harrow teeth can be better cleaned, and the relative positions of the mounting arm and the cleaning arm and the harrow teeth are always consistent, so that each cleaning is effective.
The tooth rake type trash remover for sewage treatment comprises a frame, wherein a guide wheel and a driving wheel are arranged on the frame, the driving wheel is in transmission connection with a driving motor, the guide wheel and the driving wheel are connected with a rake tooth chain, a cleaning component is arranged on the back of the rake tooth chain, the cleaning component comprises a rotating shaft, the rotating shaft is arranged on the frame, the rotating shaft is connected with a driving component, the time required by the driving component to enable the cleaning component to rotate for half a circle is the same as the time required by the rake tooth chain to move by one tooth pitch, the rotating direction of the cleaning component is opposite to the rotating direction of the rake tooth chain, the rotating shaft is fixedly connected with a mounting sleeve, the mounting sleeve is in one-to-one correspondence with the number of rows of rake teeth, the mounting sleeve is fixedly connected with two mounting arms, the two mounting arms are just arranged on two sides of one row of rake teeth, the mounting sleeve is hinged with a cleaning arm, one side of the cleaning arm, which is in contact with the rake tooth, the cleaning hair can be in contact with the rake tooth, the end of the rake tooth is far away, and the cleaning arm is longer than the rake tooth when the cleaning arm is bent, and the cleaning arm is always in contact with the rake tooth, and the length of the rake tooth is always longer than the projection length of the horizontal projection.
Further, the rotating shaft is provided with a limiting protrusion, the mounting sleeve is provided with a limiting groove corresponding to the limiting protrusion, two adjacent mounting sleeves are separated by a spacing sleeve, and locking nuts are arranged at two ends of the rotating shaft.
Further, the cleaning arm is sleeved with a cleaning sleeve, the thickness of the cleaning sleeve gradually increases from the outer side to the inner side, and the cleaning arm is made of elastic materials.
Further, a spraying assembly is arranged in the frame, a spraying head is arranged on the spraying assembly, the spraying heads are in one-to-one correspondence with the mounting sleeve, and the spraying heads spray water towards the contact position of the cleaning arm and the rake teeth.
Further, the drive assembly is the linkage assembly who is connected with the rake teeth chain transmission, the linkage assembly includes two sets of racks, and two sets of racks are located the both ends of pivot respectively, and the both ends of pivot all are equipped with the gear that corresponds with the rack, and the gear passes through one-way bearing and is connected with the pivot transmission, and the upper end fixedly connected with pressurized platform of rack, and every rake teeth installation pole of rake teeth chain is the fixedly connected with presses the pole, and adjacent two presses the pole and is located the both sides of rake teeth chain respectively, the position of clearance subassembly corresponds the steering point of rake teeth chain, presses the pole and can exert pressure to the pressurized platform, presses the pole and drives the pivot at every turn and changes half circle, and the rack is connected with reset spring, and the rack resets after pressing the pole and being separated from the pressurized platform, and the rack is connected with the guide, and the guide makes gear and rack mesh all the time.
Further, the end swing joint of pressing the pole has the push wheel, presses the pole and passes through the push wheel and presses the compression platform contact.
Further, the pressing rod is L-shaped, two mounting holes are formed in the pressing rod, and the pressing rod is sleeved on the two mounting rods simultaneously.
Further, the guide is a telescoping cylinder that creates resistance as the medium is drawn in.
Further, two groups of one-way valves are arranged on the guide piece, the directions of the two groups of one-way valves are opposite, the one-way inflow one-way valves extract the treated sewage through a water pipe, and the one-way outflow one-way valves are communicated with the spraying assembly through the water pipe.
The invention has the beneficial effects that:
According to the toothed harrow type trash remover for sewage treatment, when the foreign matters remain on the harrow teeth, the cleaning arm moves along the mounting rod, and as the movement direction of the cleaning arm is consistent with the trend of the harrow teeth, the foreign matters adhered or sleeved on the harrow teeth can be better cleaned, so that a better cleaning effect is achieved, on the other hand, the cleaning arm is firstly inserted into a gap between the two harrow teeth and then contacts with the harrow teeth, and meanwhile, the contact position of the cleaning arm and the harrow teeth is inclined, so that the foreign matters move outwards, and excessive foreign matters remaining at the root parts of the harrow teeth are avoided.
The relative positions of the mounting arm and the cleaning arm and the rake teeth are always consistent, and each cleaning is effective.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the disclosed embodiments of the application.
The disclosed embodiments of the application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a diagram showing the positional relationship among a rake chain, a cleaning assembly and a spray assembly according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a cleaning assembly according to a first embodiment of the present invention;
FIG. 4 is a top view of a cleaning assembly according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram of a second embodiment of the present invention;
fig. 6 is a schematic view of a guide in a third embodiment of the invention.
The device comprises a frame 1, a guide wheel 2, a driving wheel 3, a driving wheel 4, a rake tooth chain 5, a cleaning assembly 51, a rotating shaft 52, a mounting sleeve 53, a mounting arm 54, a cleaning arm 55, a cleaning sleeve 56, a limiting protrusion 57, a limiting groove 6, a spraying assembly 7, a linkage assembly 71, a rack 72, a gear 73, a compression table 74, a compression rod 75, a compression wheel 76 and a guide piece.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1-2, a toothed harrow type trash remover for sewage treatment comprises a frame 1, wherein a guide wheel 2 and a driving wheel 3 are arranged on the frame 1, the driving wheel 3 is in transmission connection with a driving motor, the guide wheel 2 is provided with a plurality of groups according to requirements, the guide wheel 2 and the driving wheel 3 are connected with a harrow tooth chain 4, the harrow tooth chain 4 is attached to the guide wheel 2 and the driving wheel 3, a cleaning component 5 is arranged on the back of the harrow tooth chain 4, and the back is along one side direction of water flow and the front is opposite to one side of the water flow direction.
Referring to fig. 3 and 4, the cleaning assembly 5 includes a rotating shaft 51, the rotating shaft 51 is mounted on the frame 1, bearings are disposed at two ends of the rotating shaft 51, the rotating shaft 51 is connected with a driving assembly, the driving assembly may have an independent driving motor, may also have a linkage assembly, and is linked with the rake teeth chain 4, the time required for the driving assembly to rotate the cleaning assembly 5 for half a turn is the same as the time required for the rake teeth chain 4 to move by a pitch distance, the pitch distance refers to the distance between two adjacent rake teeth mounting rods, the rotation direction of the cleaning assembly 5 is opposite to the rotation direction of the rake teeth chain 4, the rotating shaft 51 is fixedly connected with a mounting sleeve 52, the mounting sleeve 52 corresponds to the number of rows of rake teeth one by one, the mounting sleeve 52 is fixedly connected with two mounting arms 53, the two mounting arms 53 are just on two sides of one row of rake teeth, the mounting sleeve 52 is hinged with a cleaning arm 54, one side of the cleaning arm 54 contacted with the rake teeth is provided with cleaning hair, the cleaning hair can contact with the rake teeth, the most distal end of the mounting arm 53 passes the end of the rake teeth, the cleaning arm 54 is bent to be approximately L-shaped, when the cleaning arm 54 contacts with the rake teeth chain 4, the length of the horizontal projection of the cleaning arm 54 is always longer than the height of the rake teeth, when the cleaning assembly 5 rotates, the mounting arm 53 rotates into the rake teeth chain 4, the cleaning arm 54 contacts with the mounting rod of the rake teeth, the cleaning arm 54 moves against the mounting rod of the rake teeth along with the continuous rotation of the mounting arm 53, the long edge of the cleaning arm 54 moves against the side surface of the rake teeth, the long edge refers to the edge which is not in direct contact with the mounting arm 53, the cleaning arm 54 can 'strip away' the sundries adhered or sleeved on the rake teeth due to the same moving direction of the cleaning arm 54 and the rake teeth, and secondly, the long edge of the cleaning arm 54 tilts to drive the sundries on the rake teeth outwards due to the moving of the cleaning arm 54, can better clean sundries.
The rotating shaft 51 is provided with a limiting protrusion 56, the mounting sleeve 52 is provided with a limiting groove 57 corresponding to the limiting protrusion 56, the mounting sleeve 52 is sleeved on the rotating shaft 51 and then rotates along with the rotating shaft 51, two adjacent mounting sleeves 52 are separated by a spacing sleeve, the spacing sleeve is also provided with the limiting groove 57, two ends of the rotating shaft 51 are provided with locking nuts, and as the rake teeth of two adjacent rows are staggered, two adjacent mounting arms 53 are correspondingly staggered.
The cleaning sleeve 55 is sleeved on the cleaning arm 54, when the cleaning sleeve 55 is worn and then can be directly replaced, the cleaning sleeve 55 is gradually increased in thickness from the outer edge to the inner edge, the outer edge is along one side of the rotating direction, when the cleaning arm 54 moves towards the rake teeth, the thin edge is firstly close to the rake teeth, the distance between the cleaning sleeve 55 and the side face of the rake teeth is larger, the cleaning assembly 5 is prevented from directly striking the rake teeth, the cleaning effect is ensured along with the increase in thickness, the cleaning arm 54 is made of an elastic material, and when the cleaning arm 54 contacts with the rake teeth chain 4, buffering and impact force can be reduced.
The spraying assembly 6 is further installed in the frame 1, the frame 1 is connected with a water pump, the water pump directly takes water from the back side of the rake teeth chain 4, the spraying assembly 6 is provided with spraying heads, the spraying heads are in one-to-one correspondence with the installation sleeves 52, the spraying heads spray water towards the positions where the cleaning arms 54 are contacted with the rake teeth, friction is reduced, and sundries are easy to fall off.
Example two
On the basis of the first embodiment, the driving component is a linkage component 7 in transmission connection with the rake teeth 4, please refer to fig. 5, the linkage component 7 comprises two groups of racks 71, the two groups of racks 71 are respectively positioned at two ends of the rotating shaft 51, the two ends of the rotating shaft 51 are respectively provided with gears 72 corresponding to the racks 71, the gears 72 are in transmission connection with the rotating shaft 51 through one-way bearings, the upper ends of the racks 71 are fixedly connected with a pressing table 73, each rake teeth mounting rod of the rake teeth 4 is fixedly connected with a pressing rod 74, two adjacent pressing rods 74 are respectively positioned at two sides of the rake teeth 4, the position of the cleaning component 5 corresponds to the turning point of the rake teeth 4, the pressing rods 74 gradually approach the pressing table 73 along with the movement of the rake teeth 4, when the pressing rods 74 are in contact with the pressing table 73, the pressing rods 74 press the pressing table 73, the pressure receiving platform 73 moves downwards to drive the rack 71 to move, and then the gear 72 is driven to rotate, after the pressure lever 74 passes through the steering point, the pressure lever 74 is gradually far away from the pressure receiving platform 73 and is separated from the pressure receiving platform 73, the pressure lever 74 drives the rotating shaft 51 to rotate for half a circle each time, the rack 71 is connected with a return spring, after the pressure lever 74 is separated from the pressure receiving platform 73, the rack 71 is reset, the rack 71 is connected with a guide piece 76, the guide piece 76 limits the movement of the rack 71, the gear 72 and the rack 71 are always meshed, two adjacent groups of pressure levers 74 sequentially drive the cleaning assembly 5 to rotate, and the cleaning assembly 5 is driven by the linkage assembly.
In order to better contact with and separate from the compression table 73, the end of the pressing rod 74 is movably connected with a pressing wheel 75, and the pressing rod 74 contacts with the compression table 73 through the pressing wheel 75.
The pressing rod 74 is L-shaped, two mounting holes are formed in the pressing rod 74, the pressing rod 74 is sleeved on the two mounting rods at the same time, the pressing rod 74 is prevented from rotating relative to the mounting rods, one side of the pressing rod 74 is always perpendicular to the harrow tooth chain 4, and when the pressing rod 74 rotates around the driving wheel 3, the vertical displacement of the pressing wheel 75 is larger.
The guide 76 is a telescopic cylinder, and the guide 76 generates resistance when the medium is pumped in, so that excessive impact force generated when the return spring on the rack 71 is released is avoided.
Example III
On the basis of the second embodiment, referring to fig. 6, two sets of one-way valves are arranged on the guide member 76, the directions of the two sets of one-way valves are opposite, the one-way inflow one-way valves pump the treated sewage through the water pipe, the water intake is positioned at the back side of the rake teeth chain 4, the one-way outflow one-way valves are communicated with the spray assembly 6 through the water pipe, the guide member 76 replaces the water pump to supply water for the spray assembly 6, and the spray head of the spray assembly 6 should be as close to the rake teeth as possible due to the small water pressure provided by the guide member 76.
Claims (6)
1. The utility model provides a tooth-rake type trash remover for sewage treatment, includes frame (1), be equipped with leading wheel (2) and drive wheel (3) on frame (1), drive wheel (3) are connected with driving motor transmission, leading wheel (2) and drive wheel (3) are connected with harrow tooth chain (4), the back of harrow tooth chain (4) is equipped with clearance subassembly (5), its characterized in that:
The cleaning assembly (5) comprises a rotating shaft (51), the rotating shaft (51) is arranged on the frame (1), the rotating shaft (51) is connected with a driving assembly, the time required by the driving assembly to enable the cleaning assembly (5) to rotate for half a circle is the same as the time required by the distance between the cleaning arm (54) and the harrow tooth chain (4), the rotating direction of the cleaning assembly (5) is opposite to the rotating direction of the harrow tooth chain (4), the rotating shaft (51) is fixedly connected with a mounting sleeve (52), the mounting sleeve (52) corresponds to the number of harrow teeth one by one, the mounting sleeve (52) is fixedly connected with two mounting arms (53), the two mounting arms (53) are just on two sides of one row of harrow teeth, the mounting sleeve (52) is hinged with a cleaning arm (54), one side, which is contacted with the harrow tooth, of the cleaning arm (54) can be contacted with the harrow tooth, the farthest end of the cleaning arm (54) passes through the end of the harrow tooth, and the length of the cleaning arm (54) is always longer than the horizontal projection of the harrow tooth (54) when the cleaning arm (54) is contacted with the harrow tooth chain (4);
The driving assembly is a linkage assembly (7) in transmission connection with the harrow tooth chain (4), the linkage assembly (7) comprises two groups of racks (71), the two groups of racks (71) are respectively positioned at two ends of the rotating shaft (51), gears (72) corresponding to the racks (71) are respectively arranged at two ends of the rotating shaft (51), the gears (72) are in transmission connection with the rotating shaft (51) through unidirectional bearings, the upper ends of the racks (71) are fixedly connected with pressing tables (73), each harrow tooth mounting rod of the harrow tooth chain (4) is fixedly connected with a pressing rod (74), two adjacent pressing rods (74) are respectively positioned at two sides of the harrow tooth chain (4), the position of the cleaning assembly (5) corresponds to a steering point of the harrow tooth chain (4), the pressing rods (74) can press the pressing tables (73), the pressing rods (74) each time drive the rotating shaft (51) to rotate a half circle, the racks (71) are connected with reset springs, after the pressing rods (74) are in transmission connection with the pressing tables (73), the racks (71) are reset, the pressing rods (71) are connected with guide pieces (71) and the pressing rods (76) are always meshed with the pressing rods (75) through the pressing rods (76), the pressing rod (74) is L-shaped, two mounting holes are formed in the pressing rod (74), and the pressing rod (74) is sleeved on the two mounting rods simultaneously.
2. The toothed harrow type trash remover for sewage treatment according to claim 1, wherein a limiting protrusion (56) is arranged on the rotating shaft (51), a limiting groove (57) corresponding to the limiting protrusion (56) is arranged on the mounting sleeve (52), two adjacent mounting sleeves (52) are separated by the spacing sleeve, and locking nuts are arranged at two ends of the rotating shaft (51).
3. The toothed-rake type trash remover for sewage treatment according to claim 1, wherein the cleaning arm (54) is sleeved with a cleaning sleeve (55), the cleaning sleeve (55) is gradually increased in thickness from the outer side to the inner side, and the cleaning arm (54) is made of elastic materials.
4. The toothed harrow type trash remover for sewage treatment according to claim 1, wherein a spraying assembly (6) is further installed in the frame (1), spraying heads are arranged on the spraying assembly (6), the spraying heads are in one-to-one correspondence with the installation sleeves (52), and water is sprayed towards the positions where the cleaning arms (54) are contacted with the harrow teeth.
5. The toothed-rake type sewage disposal machine as set forth in claim 1, wherein the guide member (76) is a telescopic cylinder, and the guide member (76) generates resistance when the medium is drawn in.
6. The toothed harrow type sewage disposal machine for sewage disposal according to claim 5, wherein the guide member (76) is provided with two sets of one-way valves, the two sets of one-way valves are opposite in direction, the one-way inflow one-way valve extracts the sewage after the disposal through the water pipe, and the one-way outflow one-way valve is communicated with the spray assembly (6) through the water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411419136.6A CN118949536B (en) | 2024-10-12 | 2024-10-12 | Rake type trash remover for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411419136.6A CN118949536B (en) | 2024-10-12 | 2024-10-12 | Rake type trash remover for sewage treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118949536A CN118949536A (en) | 2024-11-15 |
| CN118949536B true CN118949536B (en) | 2025-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411419136.6A Active CN118949536B (en) | 2024-10-12 | 2024-10-12 | Rake type trash remover for sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN118949536B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212091200U (en) * | 2020-04-17 | 2020-12-08 | 江苏爱尔沃特环保科技有限公司 | Grid dirt separator for sewage filtration |
| CN219341782U (en) * | 2022-11-07 | 2023-07-14 | 上海中楚流体科技有限公司 | Novel grid machine |
| CN220811891U (en) * | 2023-08-11 | 2024-04-19 | 南京兰江泵业有限公司 | Rotary grid machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4260757A1 (en) * | 2022-04-14 | 2023-10-18 | Vorwerk & Co. Interholding GmbH | Cleaning device, sweeping brush for a cleaning device and method for operating a cleaning device |
| CN219399250U (en) * | 2023-03-30 | 2023-07-25 | 浙江百盛环保科技有限责任公司 | Mechanical grid for sewage treatment |
| CN117003313A (en) * | 2023-09-18 | 2023-11-07 | 山东聚祥环境工程有限公司 | Rake type grid dirt remover for sewage treatment convenient to maintain without shutdown |
-
2024
- 2024-10-12 CN CN202411419136.6A patent/CN118949536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212091200U (en) * | 2020-04-17 | 2020-12-08 | 江苏爱尔沃特环保科技有限公司 | Grid dirt separator for sewage filtration |
| CN219341782U (en) * | 2022-11-07 | 2023-07-14 | 上海中楚流体科技有限公司 | Novel grid machine |
| CN220811891U (en) * | 2023-08-11 | 2024-04-19 | 南京兰江泵业有限公司 | Rotary grid machine |
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| CN118949536A (en) | 2024-11-15 |
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