CN214436995U - Self-cleaning filter - Google Patents
Self-cleaning filter Download PDFInfo
- Publication number
- CN214436995U CN214436995U CN202023071511.2U CN202023071511U CN214436995U CN 214436995 U CN214436995 U CN 214436995U CN 202023071511 U CN202023071511 U CN 202023071511U CN 214436995 U CN214436995 U CN 214436995U
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- Prior art keywords
- wall
- filter
- filter body
- self
- bolt
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- Expired - Fee Related
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- 238000004140 cleaning Methods 0.000 title claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 30
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 30
- 241001330002 Bambuseae Species 0.000 abstract description 30
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 30
- 239000011425 bamboo Substances 0.000 abstract description 30
- 239000012535 impurity Substances 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a self-cleaning filter, include filter body and strain a section of thick bamboo, the joint has the top cap on the outer wall at filter body top, and the center department of top cap top outer wall installs the motor through the bolt, and the output of motor bottom is installed through the bolt and is located a section of thick bamboo inside (mixing) shaft, and all welds the puddler that has the equidistance to be upper and lower structural distribution on the outer wall of (mixing) shaft both sides, all installs the connecting rod through the bolt on the outer wall of (mixing) shaft both sides, and the connecting rod keeps away from the other end of (mixing) shaft and installs the scraper blade through the bolt. The utility model discloses the flow rate of sewage can be increased when (mixing) shaft and puddler rotate, can make filterable faster, and the scraper blade can scrape out attached to the impurity of straining on the inner wall of a section of thick bamboo, can avoid impurity to block up the inside phenomenon that causes the filter velocity to weaken of mesh on straining the inner wall of a section of thick bamboo, and the pneumatic cylinder can drive and strain a section of thick bamboo and go up and down, can make the brush scrub the outside of straining a section of thick bamboo.
Description
Technical Field
The utility model relates to a filter technical field especially relates to a self-cleaning filter.
Background
In the water treatment process, filtration is a very important link, various filters are applied to water treatment projects such as drinking water purification, sewage treatment and regenerated water utilization, industrial circulating water treatment, boiler water softening and the like at present, and the filter mainly comprises a cylinder, a filter screen, a sewage discharge part, a transmission device and an electric control part, is mainly used for removing suspended matters and particles in a water body, reducing turbidity, purifying water quality, reducing the generation of system dirt, bacteria, algae, corrosion and the like, and is generally used as a pretreatment device for protecting other equipment from normal work.
The conventional filter does not have a self-cleaning function, so that garbage adheres to the inner wall and the outer wall of the filter cylinder, the filtering speed is reduced, the filter body is inconvenient to detach, the filter cylinder cannot be replaced, the filter cylinder cannot be used after being damaged, and certain waste is caused.
Disclosure of Invention
The utility model aims at solving the defects of the prior art that the self-cleaning function is not available and the filter body is inconvenient to disassemble, and providing a self-cleaning filter.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a self-cleaning filter, includes filter body and strains a section of thick bamboo, the joint has the top cap on the outer wall at filter body top, and the center department of top cap top outer wall installs the motor through the bolt, the output of motor bottom is installed through the bolt and is located a section of thick bamboo inside (mixing) shaft, and all welds the puddler that has the equidistance and be structure distribution about on the outer wall of (mixing) shaft both sides, all install the connecting rod through the bolt on the outer wall of (mixing) shaft both sides, and the connecting rod keeps away from the other end of (mixing) shaft and installs the scraper blade through the bolt, the scraper blade is laminated with the inside wall of a section of thick bamboo mutually.
The key concept of the technical scheme is as follows: the flow rate of sewage can be increased when (mixing) shaft and puddler rotate, can make filterable faster, and the scraper blade can be scraped out attached to the impurity of straining on an inner wall, can avoid impurity to block up the mesh inside on straining an inner wall and cause the phenomenon that filter speed weakens.
Further, the inside sliding connection of filter body has the clearance ring, and installs through the bolt on the inside wall of clearance ring and strain a brush that the inboard wall was laminated mutually, the pneumatic cylinder is installed through the bolt to inner wall one side at filter body top, and the output of pneumatic cylinder bottom passes through the bolt fastening on the outer wall at clearance ring top.
Furthermore, the inner wall of one adjacent side of the filter body is provided with a guide groove, and the outer walls of the two sides of the filter cylinder are welded with guide blocks sliding in the guide grooves.
Further, the welding has solid fixed ring on the inner wall at filter body top, and sets up four screw holes that the equidistance is the annular structure and distributes on solid fixed ring's the lateral wall, the top threaded connection of straining a lateral wall has four fixing bolt that the equidistance is the annular structure and distributes, and fixing bolt threaded connection is in the inside of screw hole.
Further, the slots are formed in the two sides of the outer wall of the top of the filter body, the insertion blocks clamped inside the slots are welded to the two sides of the outer wall of the bottom of the top cover, and the clamping grooves are formed in the tops of the outer walls of the two sides, close to the slots, of the filter body.
Furthermore, a groove is formed in the outer wall of one side of the inserting block, a clamping block clamped inside the clamping groove is movably connected inside the groove, and a spring connected with the clamping block is welded on the inner wall of one side of the groove.
Furthermore, an inlet pipe is welded on one side of the outer wall of the top cover, an outlet pipe is welded on the bottom of the outer wall of one side of the filter body, a drain pipe is welded on the outer wall of the bottom of the filter body, and the top end of the drain pipe is clamped with the outlet of the bottom of the filter cartridge.
The utility model has the advantages that:
1. through motor, (mixing) shaft, puddler, connecting rod and the scraper blade that sets up, can increase the flow rate of sewage when (mixing) shaft and puddler rotate, can make filterable faster, the scraper blade can scrape out attached to the impurity of straining on the section of thick bamboo inner wall, can avoid impurity to block up the inside phenomenon that causes the filter speed to weaken of mesh on straining a section of thick bamboo inner wall.
2. Through clearance ring, pneumatic cylinder, strain a section of thick bamboo, guide way and the guide block that sets up, the pneumatic cylinder can drive and strain a section of thick bamboo and go up and down, can make the brush scrub the outside of straining a section of thick bamboo, and the cooperation scraper blade can be to straining the inside clear more thoroughly of filtration pore of a section of thick bamboo, has consequently realized the function of automatically cleaning, and it is more convenient to use.
3. Through top cap, slot, inserted block, draw-in groove, recess, fixture block and the spring that sets up, the flexible power of spring can make the fixture block joint in the inside of draw-in groove, and then can conveniently fix the top cap on the filter body to the convenience is dismantled the top cap, is changed straining a section of thick bamboo.
Drawings
Fig. 1 is a schematic perspective view of a self-cleaning filter according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a self-cleaning filter according to the present invention;
FIG. 3 is a schematic diagram of a cleaning ring configuration for a self-cleaning filter in accordance with the present invention;
fig. 4 is a schematic diagram of a clamping structure of a self-cleaning filter according to the present invention.
In the figure: 1 filter body, 2 motors, 3 stirring shafts, 4 stirring rods, 5 connecting rods, 6 scraping plates, 7 cleaning rings, 8 hydraulic cylinders, 9 filter cylinders, 10 guide grooves, 11 guide blocks, 12 fixing rings, 13 threaded holes, 14 fixing bolts, 15 top covers, 16 slots, 17 insertion blocks, 18 clamping grooves, 19 grooves, 20 clamping blocks, 21 springs, 22 water inlet pipes, 23 water outlet pipes, 24 sewage discharge pipes and 25 hairbrushes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a self-cleaning filter comprises a filter body 1 and a filter cartridge 9, a top cover 15 is clamped on the outer wall of the top of the filter body 1, and the center of the outer wall of the top cover 15 is provided with a motor 2 through a bolt, the output end of the bottom of the motor 2 is provided with a stirring shaft 3 positioned in the filter cylinder 9 through a bolt, and the outer walls of the two sides of the stirring shaft 3 are welded with stirring rods 4 which are distributed in an up-down structure at equal intervals, the outer walls of the two sides of the stirring shaft 3 are provided with connecting rods 5 through bolts, and the scraper 6 is installed at the other end of the connecting rod 5 far away from the stirring shaft 3 through a bolt, the scraper 6 is attached to the inner side wall of the filter cylinder 9, the model of the motor 2 is YE2-280M-2, the motor 2 drives the stirring shaft 3, the stirring rod 4, the connecting rod 5 and the scraper 6 to rotate, and the scraper 6 can scrape off impurities attached to the inner wall of the filter cylinder 9.
As can be seen from the above description, the present invention has the following advantages: the flow rate of sewage can be increased when (mixing) shaft 3 and puddler 4 rotate, can make filterable faster, and scraper blade 6 can scrape out attached to the impurity of straining on a section of thick bamboo 9 inner wall, can avoid impurity to block up the inside phenomenon that causes the filter speed to weaken of mesh on straining a section of thick bamboo 9 inner wall.
Further, the inside sliding connection of filter body 1 has clearance ring 7, and install through the bolt on the inside wall of clearance ring 7 and strain a 9 inboard wall laminated brush 25 mutually, pneumatic cylinder 8 is installed through the bolt to the inner wall one side at filter body 1 top, and the output of pneumatic cylinder 8 bottom passes through the bolt fastening on the outer wall at clearance ring 7 top, and brush 25 can scrub the lateral wall and the filtration pore of straining a section of thick bamboo 9, and the effect of clearance is better.
Further, all seted up guide way 10 on the inner wall of the adjacent one side of filter body 1, and all welded the guide block 11 that slides in guide way 10 inside on straining the outer wall of 9 both sides of a section of thick bamboo, more stable when guide block 11 can make clearance ring 7 go up and down.
Further, the welding has solid fixed ring 12 on the inner wall at filter body 1 top, and sets up on solid fixed ring 12's the lateral wall and be four screw holes 13 that the equidistance is the annular structure and distributes, and the top threaded connection who strains the lateral wall of section of thick bamboo 9 has four fixing bolt 14 that the equidistance is the annular structure and distributes, and fixing bolt 14 threaded connection is in the inside of screw hole 13, can conveniently fix straining a section of thick bamboo 9 inside filter body 1.
Further, slot 16 has all been seted up to the outer wall both sides at filter body 1 top, and the outer wall both sides of top cap 15 bottom all weld the inserted block 17 of joint in the inside of slot 16, and filter body 1 has all seted up draw-in groove 18 near the both sides outer wall top of slot 16, and inserted block 17 is pegged graft when slot 16 is inside, can keep perpendicularly to making top cap 15 and filter body 1.
Further, a groove 19 is formed in the outer wall of one side of the inserting block 17, a clamping block 20 clamped inside the clamping groove 18 is movably connected inside the groove 19, a spring 21 connected with the clamping block 20 is welded to the inner wall of one side of the groove 19, the clamping block 20 can be clamped inside the clamping groove 18 through the telescopic force of the spring 21, and the top cover 15 can be fixed on the filter body 1.
Further, an inlet pipe 22 is welded on one side of the outer wall of the top cover 15, a water outlet pipe 23 is welded on the bottom of the outer wall of one side of the filter body 1, a drain pipe 24 is welded on the outer wall of the bottom of the filter body 1, the top end of the drain pipe 24 is clamped with an outlet of the bottom of the filter cartridge 9, the structure is reasonable, and the use is more convenient.
By adopting the cleaning ring 7, the hydraulic cylinder 8, the filter cartridge 9, the guide groove 10 and the guide block 11, the hydraulic cylinder 8 can drive the filter cartridge 9 to lift, so that the brush 25 can brush the outside of the filter cartridge 9, and the scraper 6 is matched to clean the inside of the filter hole of the filter cartridge 9 more thoroughly, thereby realizing the self-cleaning function and being more convenient to use; top cap 15, slot 16, inserted block 17, draw-in groove 18, recess 19, fixture block 20 and spring 21, spring 21's stretching force can make fixture block 20 joint in the inside of draw-in groove 18, and then can conveniently fix top cap 15 on filter body 1 just to the convenience is dismantled top cap 15, is changeed straining a section of thick bamboo 9.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
The utility model provides a self-cleaning filter, include filter body 1 and strain a section of thick bamboo 9, the joint has top cap 15 on the outer wall at filter body 1 top, and the center department of top cap 15 top outer wall installs motor 2 through the bolt, the output of motor 2 bottom is installed through the bolt and is located a section of thick bamboo 9 inside (mixing) shaft 3, and all weld on the outer wall of (mixing) shaft 3 both sides has the equidistance to be the puddler 4 of structure distribution from top to bottom, all install connecting rod 5 through the bolt on the outer wall of (mixing) shaft 3 both sides, and connecting rod 5 keeps away from the other end of (mixing) shaft 3 and installs scraper blade 6 through the bolt, scraper blade 6 laminates with the inside wall of straining a section of thick bamboo 9, motor 2's model is YE2-280M-2, motor 2 drives (mixing) shaft 3, puddler 4, connecting rod 5 and scraper blade 6 rotate, scraper blade 6 can strike off straining adnexed impurity on the inner wall of a section of thick bamboo 9.
The inner side wall of the filter body 1 is slidably connected with a cleaning ring 7, a brush 25 which is attached to the inner side wall of the filter cartridge 9 is mounted on the inner side wall of the cleaning ring 7 through bolts, a hydraulic cylinder 8 is mounted on one side of the inner wall of the top of the filter body 1 through bolts, the output end of the bottom of the hydraulic cylinder 8 is fixed on the outer wall of the top of the cleaning ring 7 through bolts, the brush 25 can scrub the outer side wall and the filter holes of the filter cartridge 9, and the cleaning effect is better; the inner walls of the adjacent sides of the filter body 1 are provided with guide grooves 10, the outer walls of the two sides of the filter cylinder 9 are welded with guide blocks 11 sliding in the guide grooves 10, and the guide blocks 11 can enable the cleaning ring 7 to be more stable when lifted; the inner wall of the top of the filter body 1 is welded with a fixing ring 12, the outer side wall of the fixing ring 12 is provided with four threaded holes 13 which are distributed in an annular structure at equal intervals, the top of the outer side wall of the filter cartridge 9 is in threaded connection with four fixing bolts 14 which are distributed in an annular structure at equal intervals, and the fixing bolts 14 are in threaded connection with the inner parts of the threaded holes 13, so that the filter cartridge 9 can be conveniently fixed in the filter body 1; the two sides of the outer wall of the top of the filter body 1 are both provided with slots 16, the two sides of the outer wall of the bottom of the top cover 15 are both welded with inserting blocks 17 clamped in the slots 16, the tops of the outer walls of the two sides of the filter body 1 close to the slots 16 are both provided with clamping grooves 18, and when the inserting blocks 17 are inserted in the slots 16, the top cover 15 and the filter body 1 can be kept vertical; a groove 19 is formed in the outer wall of one side of the inserting block 17, a clamping block 20 clamped in the clamping groove 18 is movably connected inside the groove 19, a spring 21 connected with the clamping block 20 is welded on the inner wall of one side of the groove 19, the clamping block 20 can be clamped in the clamping groove 18 through the expansion force of the spring 21, and the top cover 15 can be fixed on the filter body 1; the welding of the outer wall one side at top cap 15 top has inlet tube 22, and the welding of the outer wall bottom of filter body 1 one side has outlet pipe 23, and the welding has blow off pipe 24 on the volume outer wall of filter body 1 bottom, and the exit looks joint of the top of blow off pipe 24 and straining 9 bottoms of a section of thick bamboo, and is rational in infrastructure, and it is more convenient to use.
The working principle is as follows: when the self-cleaning filter is used, water to be filtered is introduced into the filter body 1 through the water inlet pipe 22, the water is filtered by the filter cartridge 9 and then is discharged through the water outlet pipe 23, when the filter cartridge 9 needs to be cleaned, the water outlet pipe 23 and the sewage discharge pipe 24 are closed, clear water is injected through the water inlet pipe 22, the starting motor 2 drives the stirring shaft 3 to rotate, the stirring shaft 3 drives the stirring rod 4, the connecting rod 5 and the scraper 6 to rotate, the scraper 6 can scrape impurities attached to the inner wall of the filter cartridge 9, meanwhile, the hydraulic cylinder 8 drives the cleaning ring 7 to ascend and descend, the brush 25 can brush the outer wall and the filter holes of the filter cartridge 9, then the water outlet pipe 23 and the sewage discharge pipe 24 are opened to discharge the sewage, the self-cleaning function of the filter cartridge 9 is realized, when the filter cartridge 9 is damaged and needs to be replaced, the spring 21 is compressed, the top cover 15 is lifted upwards, and then the fixing bolt 12 is screwed out from the inner part of the threaded hole 13, can dismantle straining a section of thick bamboo 9, run through new straining a section of thick bamboo 9 and screw thread to screw hole 13 inside through fixing bolt 14 subsequently, then peg graft the inserted block 17 inside slot 16, until inside fixture block 20 received the concertina power joint of spring 21 to draw-in groove 18, can fix top cap 15 on filter body 1, it is very convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a self-cleaning filter, includes filter body (1) and strains (9), its characterized in that, the joint has top cap (15) on the outer wall at filter body (1) top, and the center department of top cap (15) top outer wall installs motor (2) through the bolt, the output of motor (2) bottom is installed through the bolt and is located and strain (9) inside (mixing) shaft (3), and all welds stirring rod (4) that the equidistance is structural distribution from top to bottom on the outer wall of (mixing) shaft (3) both sides, all install connecting rod (5) through the bolt on the outer wall of (mixing) shaft (3) both sides, and connecting rod (5) keep away from the other end of (mixing) shaft (3) and install scraper blade (6) through the bolt, scraper blade (6) laminate with the inboard wall of straining (9).
2. A self-cleaning filter according to claim 1, wherein the cleaning ring (7) is slidably connected to the inside of the filter body (1), the inner side wall of the cleaning ring (7) is provided with a brush (25) attached to the inner side wall of the filter cartridge (9) by bolts, one side of the inner side wall of the top of the filter body (1) is provided with a hydraulic cylinder (8) by bolts, and the output end of the bottom of the hydraulic cylinder (8) is fixed to the outer wall of the top of the cleaning ring (7) by bolts.
3. A self-cleaning filter according to claim 1, wherein the inner wall of the adjacent side of the filter body (1) is provided with a guide groove (10), and the outer walls of the two sides of the filter cylinder (9) are welded with guide blocks (11) sliding in the guide groove (10).
4. The self-cleaning filter according to claim 1, wherein a fixing ring (12) is welded on the inner wall of the top of the filter body (1), four threaded holes (13) are formed in the outer side wall of the fixing ring (12) and distributed in an annular structure at equal intervals, four fixing bolts (14) are connected to the top of the outer side wall of the filter cylinder (9) in a threaded manner and distributed in an annular structure at equal intervals, and the fixing bolts (14) are connected to the inner portions of the threaded holes (13) in a threaded manner.
5. The self-cleaning filter according to claim 1, wherein slots (16) are formed in both sides of the outer wall of the top of the filter body (1), insertion blocks (17) clamped in the slots (16) are welded to both sides of the outer wall of the bottom of the top cover (15), and clamping grooves (18) are formed in both sides of the outer wall of the filter body (1) close to the slots (16).
6. A self-cleaning filter according to claim 5, wherein a groove (19) is formed in the outer wall of one side of the insert block (17), a clamping block (20) clamped in the clamping groove (18) is movably connected inside the groove (19), and a spring (21) connected with the clamping block (20) is welded on the inner wall of one side of the groove (19).
7. The self-cleaning filter according to claim 1, wherein a water inlet pipe (22) is welded to one side of the outer wall of the top cover (15), a water outlet pipe (23) is welded to the bottom of the outer wall of one side of the filter body (1), a drain pipe (24) is welded to the extra outer wall of the bottom of the filter body (1), and the top end of the drain pipe (24) is clamped with the outlet at the bottom of the filter cartridge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071511.2U CN214436995U (en) | 2020-12-18 | 2020-12-18 | Self-cleaning filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071511.2U CN214436995U (en) | 2020-12-18 | 2020-12-18 | Self-cleaning filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214436995U true CN214436995U (en) | 2021-10-22 |
Family
ID=78190565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023071511.2U Expired - Fee Related CN214436995U (en) | 2020-12-18 | 2020-12-18 | Self-cleaning filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214436995U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813790A (en) * | 2021-10-29 | 2021-12-21 | 杨波 | Sewage micro-filtration equipment |
| CN114272126A (en) * | 2021-12-21 | 2022-04-05 | 内蒙古民族大学 | A decompression soaks softening installation for making a mouthful of herbal pieces-of mongolian medicine |
| CN117658409A (en) * | 2024-01-23 | 2024-03-08 | 江苏惠霖环保科技有限公司 | Dirty solid-liquid separation of excrement of agricultural poultry raising |
-
2020
- 2020-12-18 CN CN202023071511.2U patent/CN214436995U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813790A (en) * | 2021-10-29 | 2021-12-21 | 杨波 | Sewage micro-filtration equipment |
| CN114272126A (en) * | 2021-12-21 | 2022-04-05 | 内蒙古民族大学 | A decompression soaks softening installation for making a mouthful of herbal pieces-of mongolian medicine |
| CN117658409A (en) * | 2024-01-23 | 2024-03-08 | 江苏惠霖环保科技有限公司 | Dirty solid-liquid separation of excrement of agricultural poultry raising |
| CN117658409B (en) * | 2024-01-23 | 2024-06-18 | 江苏惠霖环保科技有限公司 | Dirty solid-liquid separation of excrement of agricultural poultry raising |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |