CN112707529A - Unpowered high-precision filtering pry - Google Patents
Unpowered high-precision filtering pry Download PDFInfo
- Publication number
- CN112707529A CN112707529A CN202110014953.3A CN202110014953A CN112707529A CN 112707529 A CN112707529 A CN 112707529A CN 202110014953 A CN202110014953 A CN 202110014953A CN 112707529 A CN112707529 A CN 112707529A
- Authority
- CN
- China
- Prior art keywords
- filtering
- filter
- pipe
- tank
- sedimentation tank
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 65
- 238000004062 sedimentation Methods 0.000 claims abstract description 34
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 238000005202 decontamination Methods 0.000 claims description 4
- 230000003588 decontaminative effect Effects 0.000 claims description 4
- 241000282326 Felis catus Species 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000010842 industrial wastewater Substances 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a unpowered high-precision filtering pry which comprises a filtering pry body, wherein the filtering pry body comprises an inclined tube sedimentation tank and a filtering tank which are connected, the inclined tube sedimentation tank comprises an inclined tube assembly and an expansion nozzle blow-off pipe, the filtering tank comprises a filtering assembly, the filtering assembly comprises a flat membrane, and the bottom of the filtering pry body is provided with a mud discharge groove matched with the inclined tube sedimentation tank and the filtering tank. The inclined tube sedimentation tank, the coarse filter tank and the filter tank are arranged, and the mud scraping device is matched, so that high-precision and high-efficiency wastewater treatment can be performed, wastewater is deeply treated, the effluent quality is high, the oil and impurity removing capacity is high, the corrosion resistance is high, and the flux recovery is high.
Description
Technical Field
The invention relates to the technical field of wastewater treatment systems, in particular to a unpowered high-precision filtering pry.
Background
With the continuous development of society, the amount of industrial wastewater generated is huge. Industrial wastewater refers to wastewater, sewage and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediates and products lost with water and pollutants produced in the production process. Since the industrial wastewater is usually acidic or alkaline wastewater with large particle impurities, if the industrial wastewater is directly discharged to the outside, the industrial wastewater will pollute the environment and affect human health.
Disclosure of Invention
In order to solve the problems pointed out in the background art, the invention provides a unpowered high-precision filtering pry.
The technical scheme of the invention is realized as follows:
the utility model provides a no power high accuracy filters sled which characterized in that: including filtering the sled body, filter the sled body including pipe chute sedimentation tank and the filtering ponds that are connected, the pipe chute sedimentation tank includes pipe chute subassembly and expansion mouth blow off pipe, the filtering ponds includes filtering component, filtering component includes the dull and stereotyped membrane, filter sled body bottom be equipped with the pipe chute sedimentation tank reaches filtering ponds matched with row's mud slot.
The invention is further configured to: the utility model discloses a sludge treatment device, including pipe chute sedimentation tank, pipe chute subassembly, expansion mouth blow off pipe, sludge discharge pipe, interface grafting cooperation separation baffle, separation baffle other end extend to sludge groove outside, expansion mouth blow off pipe bottom is equipped with a plurality of siphunculus under a plurality of small siphunculus, and the pipe chute subassembly sets up the pipe chute including the slope, be equipped with a plurality of mud collection fill in the pipe chute sedimentation tank, the mud collection fill is in the below of pipe chute group, the equal screw-thread fit of collection mud fill bottom and oblique lateral wall a plurality of mud siphunculus, the setting of expansion mouth blow off pipe is in arrange the mud slot, expansion mouth blow off pipe top be equipped with mud siphuncul.
The invention is further configured to: a coarse filter tank is arranged between the inclined tube sedimentation tank and the filter tank, the inner cavity of the coarse filter tank is divided into a first inner chamber and a second inner chamber which are communicated through a partition plate, the coarse filter tank is sleeved in the first inner chamber and matched with a coarse filter screen, the first inner chamber is provided with an inlet communicated with the inclined tube sedimentation tank, and the second inner chamber is provided with an outlet communicated with the filter tank.
The invention is further configured to: the filtering ponds are equipped with the mounting bracket, the mounting bracket is equipped with a plurality of filtering component, filtering component is including filtering the body, it is equipped with to filter external surface dull and stereotyped membrane, dull and stereotyped membrane both ends with the cooperation is cup jointed at filtering component both ends, dull and stereotyped membrane is made by the oil absorption material and forms, the mounting bracket be equipped with dull and stereotyped membrane matched with first mud scraping device.
The invention is further configured to: arrange the mud slot and be equipped with the second and scrape mud device, first mud device with the second scrapes mud device both's structure the same, first mud device of scraping includes the scraper blade, scraper blade one end screw-thread fit screw rod, screw rod one end is fixed through the bearing that sets up.
The invention is further configured to: the other end of the scraper is provided with a roller which is in sliding fit with the sliding rail.
The invention is further configured to: the other end of the screw is fixedly connected with a motor.
The invention is further configured to: the other end of the screw is fixedly connected with a manual turntable.
The invention is further configured to: all be equipped with the level gauge in pipe chute sedimentation tank and the filtering ponds, filter the sled body be equipped with the waste water advances the inlet tube that the pond is linked together, the inlet tube is equipped with the solenoid valve of intaking, filter the sled body be equipped with the outlet pipe that the filtering ponds are linked together, the outlet pipe is equipped with out the water solenoid valve, be equipped with a plurality of decontamination apron in the filtering ponds, it is equipped with the electronic box to filter sled body lateral wall, it is close to filter ponds and the fixed cat ladder that is equipped with of lateral wall of pipe chute sedimentation tank junction.
In conclusion, the beneficial effects of the invention are as follows: the unpowered high-precision filtering pry provided by the invention is provided with the inclined tube sedimentation tank, the coarse filtering tank and the filtering tank, and is matched with the mud scraping device, so that high-precision and high-efficiency wastewater treatment can be carried out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the inclined tube sedimentation tank according to the present invention;
FIG. 3 is a schematic structural view of a filtration tank according to the present invention;
fig. 4 is a schematic structural view of the first mud scraping device in the present invention.
Reference numerals: 1. a filter pry body; 2. an inclined tube sedimentation tank; 3. a filtration tank; 4. a chute assembly; 5. a sewage discharge pipe with an expanded mouth; 6. a filter assembly; 7. flat membrane; 8. a sludge discharge groove; 9. wastewater enters a pool; 10. a mud collection hopper; 11. sludge through pipe; 12. an interface; 13. a small lower through pipe; 14. a coarse filtration tank; 15. a first inner chamber; 16. a second inner chamber; 17. an inlet; 18. an outlet; 19. a first mud scraping device; 20. a second mud scraping device; 21. a squeegee; 22. a screw; 23. a motor; 24. a water outlet pipe; 25. a decontamination cover plate; 26. an electric box; 27. the ladder is climbed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is described below with reference to fig. 1-4:
the utility model provides a sled is filtered to unpowered high accuracy, is including filtering sled body 1, filters sled body 1 including the pipe chute sedimentation tank 2 and the filtering ponds 3 that are connected, filters sled body 1 bottom and is equipped with row's mud slot 8 with pipe chute sedimentation tank 2 and filtering ponds 3 matched with. The inclined tube sedimentation tank 2 and the filter tank 3 are usually added with wastewater treatment agents for water quality neutralization treatment.
Pipe chute sedimentation tank 2 includes pipe chute subassembly 4 and expansion mouth blow off pipe 5, 2 one end fixed connection waste water in pipe chute sedimentation tank advances pond 9, pipe chute subassembly 4 sets up the pipe chute group including the slope, be equipped with a plurality of mud collection fill 10 in the pipe chute sedimentation tank 2, mud collection fill 10 is in the below of pipe chute group, a plurality of mud siphunculus 11 of the equal screw-thread fit of mud collection fill 10 bottom and oblique lateral wall, expansion mouth blow off pipe 5 sets up at mud discharging groove 8, 5 tops of expansion mouth blow off pipe are equipped with 11 screw-thread fit's of mud siphunculus interface 12, 11 screw-thread dismouting of mud siphunculus, convenient washing. The interface 12 is pegged graft and is cooperated the separation baffle, and the separation baffle other end extends to the mud slot outside, and the separation baffle is used for the circulation switch of mud, and expansion mouth blow off pipe 5 bottom is equipped with a plurality of siphunculus 13 under for a short time.
A coarse filter tank 14 is arranged between the inclined tube sedimentation tank 2 and the filter tank 3, the coarse filter tank 14 divides the inner cavity of the coarse filter tank 14 into a first inner chamber 15 and a second inner chamber 16 which are communicated with each other through a partition plate, the coarse filter screen is sleeved in the first inner chamber 15, the first inner chamber 15 is provided with an inlet 17 communicated with the inclined tube sedimentation tank 2, and the second inner chamber 16 is provided with an outlet 18 communicated with the filter tank 3.
The filtering tank 3 comprises a filtering component 6, the filtering component 6 comprises a flat membrane 7, the filtering tank 3 is provided with a mounting rack, the mounting rack is provided with a plurality of filtering components 6, the filtering components 6 comprise filtering bodies, the filtering bodies filter precipitated wastewater, the outer surfaces of the filtering bodies are provided with the flat membranes 7, two ends of each flat membrane 7 are in sleeve fit with two ends of the filtering component 6, the flat membranes 7 can be pulled out for cleaning or replacement, the flat membranes 7 are made of oil-absorbing materials, the flat membranes 7 are used for removing oily impurities, and the mounting rack is provided with a first mud scraping device 19 matched with the flat membranes 7; arrange mud groove 8 and be equipped with second mud scraping device 20, first mud scraping device 19 is the same with second mud scraping device 20 both's structure, and first mud scraping device 19 includes scraper blade 21, and scraper blade 21 one end screw-thread fit screw rod 22, the scraper blade 21 other end are equipped with the gyro wheel, gyro wheel sliding fit slide rail, and screw rod 22 one end is fixed through the bearing that sets up, and screw rod 22 other end fixed connection motor 23 or the manual carousel of screw rod 22 other end fixed connection. Or the two ends of the scraper 21 are symmetrically arranged, the two ends of the scraper 21 are in threaded fit with the screw 22, and the screw 22 is connected with the motor 23.
Further, all be equipped with the level gauge in pipe chute sedimentation tank 2 and the filtering ponds 3, it is equipped with the inlet tube that is linked together with waste water inlet tank 9 to filter sled body 1, the inlet tube is equipped with into water solenoid valve, filter sled body 1 and be equipped with the outlet pipe 24 that is linked together with filtering ponds 3, outlet pipe 24 is equipped with out water solenoid valve, be equipped with a plurality of decontamination apron 25 in the filtering ponds 3, it is equipped with electronic box 26 to filter sled body 1 lateral wall, it is close to the fixed cat ladder 27 that is equipped with of lateral wall of filtering ponds 3 and pipe chute sedimentation tank 2 junction to filter sled body 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a no power high accuracy filters sled which characterized in that: including filtering sled body (1), filter sled body (1) including pipe chute sedimentation tank (2) and filtering ponds (3) that are connected, pipe chute sedimentation tank (2) include pipe chute subassembly (4) and expansion mouth blow off pipe (5), filtering ponds (3) include filtering component (6), filtering component (6) include dull and stereotyped membrane (7), filter sled body (1) bottom be equipped with pipe chute sedimentation tank (2) reach filtering ponds (3) matched with row mud slot (8).
2. A unpowered high-precision filter sled according to claim 1 wherein: the utility model discloses a sludge treatment device, including pipe chute sedimentation tank (2), pipe chute subassembly (4), sludge collection bucket (8), expansion mouth blow off pipe (5) top be equipped with sludge through pipe (11) of mud through pipe (11) of slope equal screw-thread fit, the separation baffle is pegged graft to interface (12), the separation baffle other end extends to the mud slot outside, expansion mouth blow off pipe (5) bottom is equipped with a plurality of siphunculus (13) under for a short time.
3. A unpowered high-precision filter sled according to claim 1 wherein: a coarse filter tank (14) is arranged between the inclined tube sedimentation tank (2) and the filter tank (3), the inner cavity of the coarse filter tank (14) is divided into a first inner chamber (15) and a second inner chamber (16) which are communicated through a partition plate arranged in the coarse filter tank (14), the first inner chamber (15) is sleeved with a coarse filter screen, the first inner chamber (15) is provided with an inlet (17) communicated with the inclined tube sedimentation tank (2), and the second inner chamber (16) is provided with an outlet (18) communicated with the filter tank (3).
4. A unpowered high-precision filter sled according to claim 1 wherein: filtering ponds (3) are equipped with the mounting bracket, the mounting bracket is equipped with a plurality of filtering component (6), filtering component (6) are including filtering the body, it is equipped with to filter the external surface of body dull and stereotyped membrane (7), dull and stereotyped membrane (7) both ends with filtering component (6) both ends cup joint the cooperation, dull and stereotyped membrane (7) are made by the oil absorption material and are formed, the mounting bracket be equipped with dull and stereotyped membrane (7) matched with first mud scraping device (19).
5. The unpowered high-precision filter sled of claim 4 wherein: arrange mud slot (8) and be equipped with second mud scraping device (20), first mud scraping device (19) with second mud scraping device (20) both structures are the same, first mud scraping device (19) include scraper blade (21), scraper blade (21) one end screw-thread fit screw rod (22), screw rod (22) one end is fixed through the bearing that sets up.
6. A unpowered high-precision filter sled according to claim 5 wherein: the other end of the scraper (21) is provided with a roller which is in sliding fit with the sliding rail.
7. The unpowered high-precision filter sled of claim 6, wherein: the other end of the screw rod (22) is fixedly connected with a motor (23).
8. The unpowered high-precision filter sled of claim 6, wherein: the other end of the screw rod (22) is fixedly connected with a manual rotating disc.
9. A unpowered high-precision filter sled according to claim 2 wherein: all be equipped with the level gauge in pipe chute sedimentation tank (2) and filtering ponds (3), filter sled body (1) be equipped with waste water advances the inlet tube that pond (9) are linked together, the inlet tube is equipped with the solenoid valve of intaking, filter sled body (1) be equipped with outlet pipe (24) that filtering ponds (3) are linked together, outlet pipe (24) are equipped with out the solenoid valve, be equipped with a plurality of decontamination apron (25) in filtering ponds (3), it is equipped with electronic box (26) to filter sled body (1) lateral wall, it is close to filter sled body (1) filtering ponds (3) reach the lateral wall of pipe chute sedimentation tank (2) junction is fixed and is equipped with cat ladder (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014953.3A CN112707529A (en) | 2021-01-06 | 2021-01-06 | Unpowered high-precision filtering pry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014953.3A CN112707529A (en) | 2021-01-06 | 2021-01-06 | Unpowered high-precision filtering pry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112707529A true CN112707529A (en) | 2021-04-27 |
Family
ID=75548411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110014953.3A Pending CN112707529A (en) | 2021-01-06 | 2021-01-06 | Unpowered high-precision filtering pry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112707529A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101730A (en) * | 2021-05-14 | 2021-07-13 | 阜阳市全洲水产养殖有限公司 | Unpowered sewage filtering treatment system |
| CN113402047A (en) * | 2021-07-13 | 2021-09-17 | 苏州润东源环保科技有限公司 | Integrated box type sewage solid-liquid separator and sewage separation method |
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| CN207435204U (en) * | 2017-10-30 | 2018-06-01 | 成都川盛塑胶有限公司 | A kind of sponge city water storage cleaning system |
| CN208454660U (en) * | 2018-06-08 | 2019-02-01 | 泰兴市广力机械制造厂 | A kind of press wastewater filtering device |
| KR102008798B1 (en) * | 2018-08-06 | 2019-08-07 | 주식회사 조은세상 | Device for water treatment improved the removalefficiency of T-N AND T-P |
| CN210097059U (en) * | 2019-05-16 | 2020-02-21 | 浙江宏仕达环保材料科技有限公司 | Filter is used in processing of convenient resistant greasy dirt decorative film of getting rid of impurity |
| CN210356144U (en) * | 2019-08-12 | 2020-04-21 | 陈芙蓉 | Sewage sedimentation tank |
| CN210674364U (en) * | 2019-09-04 | 2020-06-05 | 许亚龙 | Novel high-efficient water treatment solid-liquid separation device |
| CN210764471U (en) * | 2019-08-29 | 2020-06-16 | 天津天美环保科技有限公司 | Efficient filtering membrane for sewage treatment |
| CN210964068U (en) * | 2019-11-11 | 2020-07-10 | 大连汪洋环境工程有限公司 | Sludge discharge device for sewage treatment |
| CN212151830U (en) * | 2020-04-21 | 2020-12-15 | 浙江盛汇化工有限公司 | Grease recovery unit in functional compound fatting agent waste water |
-
2021
- 2021-01-06 CN CN202110014953.3A patent/CN112707529A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207435204U (en) * | 2017-10-30 | 2018-06-01 | 成都川盛塑胶有限公司 | A kind of sponge city water storage cleaning system |
| CN208454660U (en) * | 2018-06-08 | 2019-02-01 | 泰兴市广力机械制造厂 | A kind of press wastewater filtering device |
| KR102008798B1 (en) * | 2018-08-06 | 2019-08-07 | 주식회사 조은세상 | Device for water treatment improved the removalefficiency of T-N AND T-P |
| CN210097059U (en) * | 2019-05-16 | 2020-02-21 | 浙江宏仕达环保材料科技有限公司 | Filter is used in processing of convenient resistant greasy dirt decorative film of getting rid of impurity |
| CN210356144U (en) * | 2019-08-12 | 2020-04-21 | 陈芙蓉 | Sewage sedimentation tank |
| CN210764471U (en) * | 2019-08-29 | 2020-06-16 | 天津天美环保科技有限公司 | Efficient filtering membrane for sewage treatment |
| CN210674364U (en) * | 2019-09-04 | 2020-06-05 | 许亚龙 | Novel high-efficient water treatment solid-liquid separation device |
| CN210964068U (en) * | 2019-11-11 | 2020-07-10 | 大连汪洋环境工程有限公司 | Sludge discharge device for sewage treatment |
| CN212151830U (en) * | 2020-04-21 | 2020-12-15 | 浙江盛汇化工有限公司 | Grease recovery unit in functional compound fatting agent waste water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101730A (en) * | 2021-05-14 | 2021-07-13 | 阜阳市全洲水产养殖有限公司 | Unpowered sewage filtering treatment system |
| CN113402047A (en) * | 2021-07-13 | 2021-09-17 | 苏州润东源环保科技有限公司 | Integrated box type sewage solid-liquid separator and sewage separation method |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |
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| RJ01 | Rejection of invention patent application after publication |