CN116550034B - Domestic waste sewage treatment device - Google Patents
Domestic waste sewage treatment device Download PDFInfo
- Publication number
- CN116550034B CN116550034B CN202310845262.7A CN202310845262A CN116550034B CN 116550034 B CN116550034 B CN 116550034B CN 202310845262 A CN202310845262 A CN 202310845262A CN 116550034 B CN116550034 B CN 116550034B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- filter screen
- clamping
- rigid filter
- rod
- 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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 22
- 239000010791 domestic waste Substances 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 238000001914 filtration Methods 0.000 abstract description 17
- 239000012535 impurity Substances 0.000 abstract description 13
- 239000010813 municipal solid waste Substances 0.000 abstract description 9
- 239000004519 grease Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and discloses domestic garbage sewage treatment equipment, which comprises: the water inlet is fixedly connected to the upper end of the shell; the rigid filter screen is fixedly arranged at the bottom of the inner cavity of the shell; the annular plate is movably sleeved with the upper end of the rigid filter screen, and a plurality of groups of scraping rods which are in contact with the outer surface of the rigid filter screen are fixedly connected to the outer side of the bottom end of the annular plate. According to the invention, through the arrangement of the first clamping assembly, the second clamping assembly and the control device, when more grease and impurity dirt are accumulated on the outer surface of the rigid filter screen, the scraping rod rotates to scrape the adhered impurities on the filtering side of the rigid filter screen, so that the filtering performance of the rigid filter screen can be recovered during filtering, the filter screen is not required to be detached for cleaning during working, the time is saved, and the efficiency of the filter screen cleaning work is improved.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to domestic garbage sewage treatment equipment.
Background
Domestic garbage sewage refers to waste water, sewage and waste liquid generated in the production process of the domestic garbage, wherein the domestic garbage sewage contains domestic garbage production materials, intermediate products and products which run off along with water and pollutants generated in the production process, the domestic garbage sewage treatment equipment most commonly collects the domestic garbage waste water together, then adds materials for treatment, and part of treated sewage is filtered by a filter screen for recycling for secondary use.
The existing domestic waste wastewater treatment equipment is in the process of using, because domestic waste not only comprises dust, fragments and other impurities, but also comprises a large amount of kitchen waste, the impurity components are complex, grease and the like which are difficult to treat are easily contained, and the grease and the impurities which are adhered with the grease are extremely easy to adhere to the surface of the filter screen in the filtering process, so that the filter screen inside the treatment equipment can be adhered with a large amount of grease and impurities after being used for a long time, the effect of filtering sewage by the filter screen can be seriously influenced, and a worker is required to regularly clean the filter screen, so that the operation is complex, the grease and the impurities adhered on the filter screen are easy to drip, secondary pollution is caused, and the working efficiency of cleaning the filter screen is seriously influenced.
Disclosure of Invention
The invention aims to provide domestic garbage sewage treatment equipment for solving the problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: a domestic waste sewage treatment apparatus comprising:
the water inlet is fixedly connected to the upper end of the shell;
the rigid filter screen is fixedly arranged at the bottom of the inner cavity of the shell;
the annular plate is movably sleeved with the upper end of the rigid filter screen, and a plurality of groups of scraping rods which are in contact with the outer surface of the rigid filter screen are fixedly connected to the outer side of the bottom end of the annular plate;
the first clamping assembly is fixedly connected to the middle of the annular plate and comprises a circular plate fixedly connected with the annular plate, a groove is formed in the bottom of the circular plate, first clamping seats are arranged on two sides of the groove, a supporting rod is rotatably connected to the middle of the circular plate, a fixing block is fixedly connected to the outer surface of the supporting rod and is positioned in the groove, a clamping device is arranged in the fixing block, and a control device is arranged in the supporting rod;
the second clamping assembly is arranged at the upper end of the first clamping assembly;
the power component is arranged in the water inlet.
Preferably, the clamping device comprises two groups of symmetrically arranged mounting cavities in the fixing block, one end of a supporting spring is fixedly connected in the mounting cavities, the other end of the supporting spring is fixedly connected with a latch movably sleeved with the mounting cavities, and the extending position of the latch corresponds to the first clamping seat.
Preferably, the control device comprises
The lower fixing rod is in sliding sleeve joint with the supporting rod, a floating block is fixedly arranged at the bottom end of the lower fixing rod, the upper end of the lower fixing rod is fixedly connected with a connecting rod, and the upper end of the connecting rod is fixedly connected with an upper fixing rod in sliding sleeve joint with the supporting rod;
the two groups of connecting ropes, the two groups of connecting ropes are fixedly connected with the middle part of one end of the supporting spring, which faces the supporting spring, of the two sides of the supporting rod through the clamping teeth, and the other ends of the two groups of connecting ropes are respectively fixed on the two sides of the bottom end of the upper fixing rod.
Preferably, the second clamping assembly comprises
The bottom end of the supporting rod is fixedly connected with the upper end of the upper fixing rod, and the upper end of the supporting rod is fixedly connected with a clamping block;
the rotating shaft is movably sleeved with the upper end of the supporting rod, a cavity is formed in the bottom end of the rotating shaft, and a second clamping seat is arranged in the middle of the cavity.
Preferably, the power assembly comprises a support frame fixedly connected with the inner wall of the water inlet, the middle part of the support frame is rotationally connected with the rotating shaft, and the impeller is fixedly arranged on the upper part of the rotating shaft.
Preferably, the outer side of the rigid filter screen is provided with an annular base fixedly connected with the bottom of the shell.
Preferably, the connecting rope is made of inelastic ropes.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arrangement of the first clamping assembly, the second clamping assembly and the control device, when more grease and impurity dirt are accumulated on the outer surface of the rigid filter screen, the filtering efficiency of the rigid filter screen is reduced, the water level inside the rigid filter screen is gradually reduced, the lower fixing rod is reduced along with the gravity action of the floating block, the clamping block is clamped with the second clamping seat, meanwhile, the connecting rope is in a loose state due to the downward movement of the lower fixing rod, so that the clamping teeth extend out under the rebound action of the supporting spring and are inserted into the first clamping seat, meanwhile, sewage water flow can impact the impeller to enable the impeller to drive the rotating shaft to rotate, and the clamping teeth are clamped in the first clamping seat, so that the rotating shaft drives the annular plate to rotate through the supporting rod and the annular plate, and the annular plate rotates to drive the scraping rod to scrape the filtering side of the rigid filter screen, the rigid filter screen can recover the filtering performance during filtering, the filter screen is not required to be disassembled during working, the time is saved, and the filter screen cleaning efficiency is improved.
2. According to the invention, through the arrangement of the second clamping assembly and the floating block, when the annular plate rotates to drive the scraping rod to scrape part of impurities on the outer surface of the rigid filter screen, the water level of the rigid filter screen gradually rises, and as the impeller drives the latch teeth in the fixed block to rotate, the latch teeth are subjected to a certain centrifugal force, the floating block is restrained from receiving buoyancy rising, so that the clamping time is properly prolonged, the treatment of the scraping rod on the outer surface of the rigid filter screen is prolonged, the floating block is prevented from moving upwards with the upper supporting rod synchronously, the first clamping assembly and the second clamping assembly are prevented from being separated from the corresponding clamping seat rapidly, and the subsequent scraping work is canceled due to the rising of the floating block when the performance of the recovery part of the rigid filter screen appears.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the invention at B in FIG. 1;
FIG. 4 is a schematic cross-sectional view of a circular plate according to the present invention.
In the figure: 1. a housing; 2. a water outlet; 3. a water inlet; 4. a rigid filter screen; 5. an annular base; 6. an annular plate; 61. a circular plate; 7. a scraping rod; 8. a support rod; 9. a groove; 10. a first clamping seat; 11. a fixed block; 12. a mounting cavity; 13. a support spring; 14. latch teeth; 15. a connecting rope; 16. a lower fixing rod; 17. a connecting rod; 18. an upper fixing rod; 19. a support rod; 20. a clamping block; 21. a rotating shaft; 22. a cavity; 23. a second clamping seat; 24. a support frame; 25. an impeller; 26. and (5) floating blocks.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a domestic waste sewage treatment apparatus, including:
the water inlet 3 is fixedly connected with the upper end of the shell 1;
the rigid filter screen 4 is fixedly arranged at the bottom of the inner cavity of the shell 1;
the annular plate 6 is movably sleeved with the upper end of the rigid filter screen 4, and the outer side of the bottom end of the annular plate 6 is fixedly connected with a plurality of groups of scraping rods 7 which are contacted with the outer surface of the rigid filter screen 4;
the first clamping assembly is fixedly connected to the middle of the annular plate 6 and comprises a circular plate 61 fixedly connected with the annular plate 6, a groove 9 is formed in the bottom of the circular plate 61, first clamping seats 10 are arranged on two sides of the groove 9, a supporting rod 8 is rotatably connected to the middle of the circular plate 61, a fixing block 11 is fixedly connected to the outer surface of the supporting rod 8, the fixing block 11 is located in the groove 9 and is internally provided with a clamping device, and a control device is arranged in the supporting rod 8;
the second clamping assembly is arranged at the upper end of the first clamping assembly;
and the power assembly is arranged in the water inlet 3.
As shown in fig. 1 and 2, the clamping device comprises two groups of mounting cavities 12 symmetrically arranged in the fixing block 11, one end of a supporting spring 13 is fixedly connected in the mounting cavities 12, the other end of the supporting spring 13 is fixedly connected with a latch 14 movably sleeved with the mounting cavities 12, and the extending position of the latch 14 corresponds to the first clamping seat 10.
As shown in fig. 1 and 2, the control device includes
The lower fixing rod 16, the lower fixing rod 16 is in sliding sleeve joint with the supporting rod 8, a floating block 26 is fixedly arranged at the bottom end of the lower fixing rod 16, the upper end of the lower fixing rod 16 is fixedly connected with a connecting rod 17, and the upper end of the connecting rod 17 is fixedly connected with an upper fixing rod 18 in sliding sleeve joint with the supporting rod 8;
the two groups of connecting ropes 15, one ends of the two groups of connecting ropes 15 penetrate through the supporting rod 8 and the middle part of one end of the two sides of the latch 14, which faces the supporting spring 13, and the other ends of the two groups of connecting ropes 15 are respectively fixed at two sides of the bottom end of the upper fixing rod 18.
As shown in fig. 3, the second clamping assembly comprises
The bottom end of the supporting rod 19 is fixedly connected with the upper end of the upper fixing rod 18, and the upper end of the supporting rod 19 is fixedly connected with a clamping block 20;
the rotating shaft 21, the rotating shaft 21 is movably sleeved with the upper end of the supporting rod 8, a cavity 22 is formed in the bottom end of the rotating shaft 21, and a second clamping seat 23 is arranged in the middle of the cavity 22.
As shown in fig. 1, the power assembly comprises a supporting frame 24 fixedly connected with the inner wall of the water inlet 3, the middle part of the supporting frame 24 is rotatably connected with a rotating shaft 21, an impeller 25 is fixedly arranged on the upper part of the rotating shaft 21, and the impeller 25 can rotate under the impact of sewage.
Wherein, the outside of rigid filter screen 4 is provided with the annular base 5 with casing 1 bottom fixed connection, and annular base 5 can form a collecting vat with rigid filter screen 4 bottom, because the effect of rigid filter screen 4, the material that does not react at this moment can all fall in the collecting vat basically to make things convenient for the staff to collect.
The connecting rope 15 is made of an inelastic rope, the latch 14 can be pulled to retract through the connecting rope 15 when the upper fixing rod 18 moves upwards when the water level rises, the clamping connection between the latch 14 and the first clamping seat 10 is canceled, meanwhile, when the filtering capacity is lowered, the connecting rope 15 is loosened when the floating block 26 moves downwards, the latch 14 and the first clamping seat 10 are clamped, and impurities on the surface of the rigid filter screen 4 are synchronously rotationally scraped.
Working principle and using flow:
in the initial water inlet stage, the floating block 26 pulls the lower fixing rod 16 to move downwards under the action of self gravity, so that the upper fixing rod 18 drives the clamping block 20 to move downwards to a position clamped with the second clamping seat 23, the clamping block 20 is clamped with the second clamping seat 23, meanwhile, the connecting rope 15 is in a loose state due to the downwards movement of the lower fixing rod 16, so that the clamping teeth 14 extend out under the rebound action of the supporting springs 13 and are inserted into the first clamping seat 10, meanwhile, the impeller 25 is impacted by sewage flow, the impeller 25 drives the rotating shaft 21 to rotate, and the clamping block 20 is clamped in the second clamping seat 23, so that the clamping teeth 14 are clamped in the first clamping seat 10, the rotating shaft 21 drives the annular plate 6 to rotate through the supporting rods 8 and the circular plate 61, and the annular plate 6 rotates to drive the scraping rod 7 to scrape the filtering side of the rigid filter screen 4, so that the rigid filter screen 4 has good filtering performance in the initial stage;
when sewage gradually flows into the rigid filter screen 4 from the outer side of the rigid filter screen 4, the filtered water amount of the rigid filter screen 4 is stable, so that a stable water level is formed at the inner side of the rigid filter screen 4 during stable filtration, the floating block 26 can drive the fixed rod 16 to move upwards under the action of buoyancy, so that the clamping block 20 moves upwards, is separated from the second clamping seat 23, and the upper fixed rod 18 moves upwards, the clamping teeth 14 at two sides are pulled by the connecting rope 15 to retract against the elasticity of the supporting spring 13 so as to separate from the first clamping seat 10, and the impeller 25 can only drive the rotating shaft 21 to rotate when rotating;
when more grease and impurity dirt are accumulated on the outer surface of the rigid filter screen 4, namely the filtering side, the filtering efficiency of the rigid filter screen 4 is reduced, the water level inside the rigid filter screen 4 is gradually reduced, the lower fixing rod 16 is reduced along with the gravity action of the floating block 26, the same condition occurs in the initial state, namely the impeller 25 is enabled to rotate through the first clamping assembly and the second clamping assembly to drive the scraping rod 7 to scrape the attached impurities on the filtering side of the rigid filter screen 4, the better filtering performance is recovered, when the scraping rod 7 scrapes partial impurities on the outer surface of the rigid filter screen 4, the water level of the rigid filter screen 4 is gradually increased, and in the process that the impeller 25 drives the clamping teeth 14 inside the fixing block 11 to rotate, the clamping teeth 14 are subjected to a certain centrifugal force action, so that the floating block 26 is restrained in the process of buoyancy rise, thereby the proper clamping time is prolonged, and the processing of the scraping rod 7 on the outer surface of the rigid filter screen 4 is prolonged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A domestic waste sewage treatment device, comprising:
the water inlet device comprises a shell (1), wherein the bottom end of the shell (1) is fixedly connected with a water outlet (2), and the upper end of the shell (1) is fixedly connected with a water inlet (3);
the rigid filter screen (4) is fixedly arranged at the bottom of the inner cavity of the shell (1);
the annular plate (6), the upper end of the annular plate (6) is movably sleeved with the upper end of the rigid filter screen (4), and a plurality of groups of scraping rods (7) which are in contact with the outer surface of the rigid filter screen (4) are fixedly connected to the outer side of the bottom end of the annular plate (6);
the first clamping assembly is fixedly connected to the middle of the annular plate (6), the first clamping assembly comprises a circular plate (61) fixedly connected with the annular plate (6), a groove (9) is formed in the bottom of the circular plate (61), first clamping seats (10) are arranged on two sides of the groove (9), a supporting rod (8) is rotatably connected to the middle of the circular plate (61), a fixed block (11) is fixedly connected to the outer surface of the supporting rod (8), the fixed block (11) is located in the groove (9) and is internally provided with a clamping device, the clamping device comprises two groups of installation cavities (12) symmetrically formed in the fixed block (11), one ends of supporting springs (13) are fixedly connected to the inner parts of the installation cavities (12), clamping teeth (14) movably sleeved with the installation cavities (12) are fixedly connected to the other ends of the supporting springs (13), the extending positions of the clamping teeth (14) correspond to the first clamping seats (10), and a control device is arranged in the supporting rod (8).
The second clamping assembly is arranged at the upper end of the first clamping assembly;
the power assembly is arranged in the water inlet (3) and comprises a support frame (24) fixedly connected with the inner wall of the water inlet (3), the middle part of the support frame (24) is rotationally connected with the rotating shaft (21), and an impeller (25) is fixedly arranged at the upper part of the rotating shaft (21);
wherein the control device comprises
The lower fixing rod (16), the lower fixing rod (16) is in sliding sleeve joint with the supporting rod (8), a floating block (26) is fixedly arranged at the bottom end of the lower fixing rod (16), a connecting rod (17) is fixedly connected to the upper end of the lower fixing rod (16), and an upper fixing rod (18) in sliding sleeve joint with the supporting rod (8) is fixedly connected to the upper end of the connecting rod (17);
the two groups of connecting ropes (15) are fixedly connected with the middle part of one end of the two sides of the latch teeth (14) facing the supporting spring (13) through the supporting rod (8), and the other ends of the two groups of connecting ropes (15) are respectively fixed on two sides of the bottom end of the upper fixing rod (18);
wherein the second clamping assembly comprises
The bottom end of the supporting rod (19) is fixedly connected with the upper end of the upper fixing rod (18), and the upper end of the supporting rod (19) is fixedly connected with a clamping block (20);
the rotating shaft (21), the upper end activity of rotating shaft (21) and bracing piece (8) cup joints, cavity (22) have been seted up to the inside of rotating shaft (21) bottom, the middle part of cavity (22) is provided with second cassette (23).
2. A domestic waste and sewage treatment apparatus according to claim 1, wherein: the outer side of the rigid filter screen (4) is provided with an annular base (5) fixedly connected with the bottom of the shell (1).
3. A domestic waste and sewage treatment apparatus according to claim 1, wherein: the connecting rope (15) is made of inelastic ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845262.7A CN116550034B (en) | 2023-07-11 | 2023-07-11 | Domestic waste sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845262.7A CN116550034B (en) | 2023-07-11 | 2023-07-11 | Domestic waste sewage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116550034A CN116550034A (en) | 2023-08-08 |
| CN116550034B true CN116550034B (en) | 2023-09-19 |
Family
ID=87488360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310845262.7A Active CN116550034B (en) | 2023-07-11 | 2023-07-11 | Domestic waste sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116550034B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0742038A2 (en) * | 1995-05-06 | 1996-11-13 | Judo Wasseraufbereitung GmbH | Filter for heating installation |
| CN207324223U (en) * | 2017-09-08 | 2018-05-08 | 浙江伊瑞尔净水设备有限公司 | A kind of fore filter |
| CN209318935U (en) * | 2018-12-13 | 2019-08-30 | 安顺煜辉经贸有限责任公司 | A kind of gear ring mill teeth batch machining positioning device |
| CN113731001A (en) * | 2021-08-17 | 2021-12-03 | 杨纯清 | Environment-friendly sewage treatment impurity separation device |
| CN116116079A (en) * | 2022-11-25 | 2023-05-16 | 河北福鑫净化设备有限公司 | Filter with self-cleaning function |
-
2023
- 2023-07-11 CN CN202310845262.7A patent/CN116550034B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0742038A2 (en) * | 1995-05-06 | 1996-11-13 | Judo Wasseraufbereitung GmbH | Filter for heating installation |
| CN207324223U (en) * | 2017-09-08 | 2018-05-08 | 浙江伊瑞尔净水设备有限公司 | A kind of fore filter |
| CN209318935U (en) * | 2018-12-13 | 2019-08-30 | 安顺煜辉经贸有限责任公司 | A kind of gear ring mill teeth batch machining positioning device |
| CN113731001A (en) * | 2021-08-17 | 2021-12-03 | 杨纯清 | Environment-friendly sewage treatment impurity separation device |
| CN116116079A (en) * | 2022-11-25 | 2023-05-16 | 河北福鑫净化设备有限公司 | Filter with self-cleaning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116550034A (en) | 2023-08-08 |
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