CN112058343A - Sewage treatment plant is used in laboratory - Google Patents
Sewage treatment plant is used in laboratory Download PDFInfo
- Publication number
- CN112058343A CN112058343A CN202011275318.2A CN202011275318A CN112058343A CN 112058343 A CN112058343 A CN 112058343A CN 202011275318 A CN202011275318 A CN 202011275318A CN 112058343 A CN112058343 A CN 112058343A
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- Prior art keywords
- filter screen
- treatment
- tank
- shell
- filter cotton
- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 229920000742 Cotton Polymers 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 20
- 210000001503 joint Anatomy 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims 3
- 239000012535 impurity Substances 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L99/00—Subject matter not provided for in other groups of this subclass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
-
- 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
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6423—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L13/00—Cleaning or rinsing apparatus
- B01L13/02—Cleaning or rinsing apparatus for receptacle or instruments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sewage treatment device for a laboratory, relating to the technical field of laboratory sewage treatment. The invention has the beneficial effects that: the device is convenient to operate, and when the device is used, the device end is lifted by hands and placed in a cleaning water tank, so that impurities in the experimental sewage can be removed while cleaning, and the standard discharge is realized; the device can be suitable for various test environments such as a chemical laboratory or a biological laboratory, the filter screen and the filter cotton in the device can be selected according to impurities contained in sewage of different laboratories, the replacement is convenient, and the device can be recycled only by pumping out the filter screen and the filter cotton after each use; and the ozone disinfection module is arranged, so that the device can be disinfected after use, and the use safety is improved.
Description
Technical Field
The invention relates to the technical field of laboratory sewage treatment, in particular to a sewage treatment device for a laboratory.
Background
With the rapid development of science and technology, laboratories set up in colleges and universities, scientific research institutions, government environment and health monitoring institutions and the like are more and more, and the experimental process is more and more complex; laboratories are a typical pollution source, especially laboratories in central urban areas and residential areas have immeasurable harm to the surrounding environment, the comprehensive treatment degree of sewage in various laboratories is low at present, and sewage generated in experiments and sewage generated in instrument cleaning processes are directly discharged into a municipal sewage pipe network, so that impact on municipal sewage treatment plants is caused to a certain degree, and further adverse effects are generated on the environment and an ecological system. Therefore, the laboratory sewage is treated and the standard discharge is realized at present. But laboratory wastewater has its own special properties: less amount, strong discontinuity, high harm, complex and variable components and the like. If one were to rely solely on a conventional method, all contaminants could not be removed. At present, various laboratory treatment devices are available on the market, but the laboratory treatment devices are not very convenient to use, the sewage treatment efficiency is low, and the occupied place is relatively large.
Disclosure of Invention
In order to achieve the above object, the present invention provides a laboratory sewage treatment apparatus.
The technical scheme is that the device comprises a processing shell capable of being lapped in a laboratory cleaning water tank and a processing tank lapped in the processing shell, wherein a washing mechanism and a filtering mechanism are arranged in the processing tank.
The laboratory cleaning water tank is characterized in that the treatment shell is a square shell sleeved inside the laboratory cleaning water tank, the middle of the treatment shell is vertically communicated, a water tank butt joint edge is fixedly arranged at the peripheral top of the treatment shell, a treatment shell handheld edge is fixedly arranged above the water tank butt joint edge, and handheld grooves are formed in two ends of the treatment shell handheld edge.
The processing tank is a square shell sleeved inside the processing shell, the middle of the processing tank is vertically communicated, the peripheral top of the processing tank is fixedly provided with a shell butt joint edge capable of being lapped on the handheld edge of the processing shell, and the two ends of the shell butt joint edge are fixedly provided with processing tank hand rings.
The filtering mechanism comprises a filter screen placing groove arranged on one side of the bottom of the treatment groove, and a filter cotton placing groove is arranged at the bottom of the filter screen placing groove;
a filter screen placing table is fixedly arranged on the inner wall of the treatment tank and is parallel to the bottom end of the filter screen placing tank; a filter cotton placing table is fixedly arranged on the inner wall of the treatment tank and is parallel to the bottom end of the filter cotton placing tank;
the filter screen placing table and the filter cotton placing table are arranged on the inner wall of the treatment tank opposite to the filter screen placing groove and the filter cotton placing groove.
A filter screen is placed in the filter screen placing groove, and filter cotton is placed in the filter cotton placing groove; one end of the filter screen is placed in the filter screen placing groove, and the other end of the filter screen is lapped on the filter screen placing table; one end of the filter cotton is placed in the filter cotton placing groove, the other end of the filter cotton is lapped on the filter cotton placing table, and when the filter screen is used, the filter screen is inserted into the filter screen placing groove until the end of the filter screen, which enters the treatment groove first, is lapped on the filter screen placing table; inserting the filter cotton into the filter cotton placing groove until one end of the filter cotton entering the treatment groove is lapped on the filter cotton placing table. The mesh number of the filter screen can be selected according to impurities contained in different laboratory sewage, the filter cotton can be selected according to the impurities contained in different laboratory sewage, and substances for decomposing harmful impurities can be added into the filter cotton.
The washing mechanism comprises a base fixedly arranged on the upper surface of the butt joint edge of the shell, a spring rope is fixedly connected to the base, and the end of the spring rope is fixedly connected with a brush.
The upper surface of the butt joint edge of the shell is provided with two corresponding sliding grooves, scraping mechanisms which are connected with the sliding grooves in a sliding mode are arranged in the sliding grooves, each scraping mechanism comprises a scraping rod, spiral scraping brushes surrounding the scraping rods are arranged on the scraping rods, two ends of each scraping rod are provided with vertically upward supporting rods, and the top ends of the supporting rods are connected with the two sliding grooves in a sliding mode respectively;
the scraping brush is abutted against the upper surface of the filter screen.
The top one side of handling the handheld edge of casing articulates there is the upper cover, the upper cover orientation it is provided with ozone generating device to fix on the inside one side of processing the casing.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the laboratory sewage treatment device can be matched with a laboratory cleaning water tank for use, is convenient to operate, and can be used by lifting the device end by hands into the cleaning water tank, so that impurities in the laboratory sewage can be removed while cleaning, and standard discharge is realized; the device can be suitable for various test environments such as a chemical laboratory or a biological laboratory, the filter screen and the filter cotton in the device can be selected according to impurities contained in sewage of different laboratories, the replacement is convenient, and the device can be recycled only by pumping out the filter screen and the filter cotton after each use; and a scraping mechanism is arranged to prevent the filter screen from being blocked by the accumulated waste residues, so that the filtering efficiency is improved; and the ozone disinfection module is arranged, so that the device can be disinfected after use, and the use safety is improved.
Drawings
Fig. 1 is a first overall structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic overall structure diagram of the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a processing enclosure according to an embodiment of the invention.
FIG. 4 is a schematic view of a part of the structure of a processing tank according to an embodiment of the present invention.
FIG. 5 is a second schematic structural view of a processing tank according to an embodiment of the present invention.
Wherein the reference numerals are: 1. a laboratory cleaning water tank; 2. processing the shell; 3. a treatment tank; 4. abutting edges of the water pool; 5. processing the shell handheld edge; 6. a hand-held recess; 7. a shell butt edge; 8. a treatment tank hand ring; 9. a filter screen placing groove; 10. a filter cotton placing groove; 11. a filter screen placing table; 12. a filter cotton placing table; 13. a filter screen; 14. filtering cotton; 15. a base; 16. a spring cord; 17. a brush; 18. a sliding groove; 19. a scraping brush; 20. an upper cover; 21. an ozone generating device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 5, the invention provides a laboratory sewage treatment device, which comprises a treatment housing 2 capable of being lapped in a laboratory cleaning water tank 1, a treatment tank 3 lapped in the treatment housing 2, and a washing mechanism and a filtering mechanism arranged in the treatment tank 3.
The treatment tank 3 is a square shell sleeved inside the treatment shell 2, the middle part of the treatment tank 3 is vertically communicated, the peripheral top of the treatment tank 3 is fixedly provided with a shell butt joint edge 7 which can be lapped on the handheld edge 5 of the treatment shell, and the two ends of the shell butt joint edge 7 are fixedly provided with treatment tank hand-held rings 8.
The filtering mechanism comprises a filter screen placing groove 9 arranged on one side of the bottom of the treatment tank 3, and a filter cotton placing groove 10 is arranged at the bottom of the filter screen placing groove 9;
a filter screen placing table 11 is fixedly arranged on the inner wall of the treatment tank 3, and the filter screen placing table 11 is parallel to the bottom end of the filter screen placing tank 9; a filter cotton placing table 12 is fixedly arranged on the inner wall of the processing tank 3, and the filter cotton placing table 12 is parallel to the bottom end of the filter cotton placing tank 10;
the filter screen placing table 11 and the filter cotton placing table 12 are arranged on the inner wall of the treatment tank 3 opposite to the filter screen placing groove 9 and the filter cotton placing groove 10.
A filter screen 13 is arranged in the filter screen placing groove 9, and filter cotton 14 is arranged in the filter cotton placing groove 10; one end of the filter screen 13 is placed in the filter screen placing groove 9, and the other end is lapped on the filter screen placing table 11; one end of the filter cotton 14 is placed in the filter cotton placing groove 10, the other end is lapped on the filter cotton placing table 12, and when the filter cotton processing device is used, the filter screen 13 is inserted into the filter screen placing groove 9 until the end which enters the processing groove 3 firstly is lapped on the filter screen placing table 11; the filter pulp 14 is inserted from the filter pulp placing tank 10 until the end that enters the treatment tank 3 first is placed on the filter pulp placing table 12.
. The mesh number of the filter screen can be selected according to impurities contained in different laboratory sewage, the filter cotton can be selected according to impurities contained in different laboratory sewage, and substances for decomposing harmful impurities can be added into the filter cotton.
The washing mechanism comprises a base 15 fixedly arranged on the upper surface of the butt joint edge 7 of the shell, a spring rope 16 is fixedly connected to the base 15, and the end part of the spring rope 16 is fixedly connected with a brush 17.
When the device is used, the types of the filter screen 13 and the filter cotton 14 are selected according to impurities contained in different laboratory sewage, substances for decomposing harmful impurities can be added into the filter cotton 14, the filter screen 13 and the filter cotton 14 are respectively inserted into the filter screen placing groove 9 and the filter cotton placing groove 10, the treatment groove 3 is sleeved inside the treatment shell 2, the handheld groove 6 of the handheld edge 5 of the treatment shell is buckled by a hand, the device is lifted into the laboratory cleaning water tank 1, a water tap is opened to clean used test tubes, utensils and other experimental consumables, the hairbrush 17 is arranged on the spring rope 16, the operation of personnel is facilitated, utensils in various shapes can be scrubbed, waste liquid remaining in experiments and scrubbed is firstly subjected to primary filtration through the filter screen 13, and then the harmful impurities are decomposed through the filter cotton 14, so that the standard discharge is realized; after each use is completed, the hand-held edge 5 of the treatment housing is lifted by hand to take the device out of the laboratory cleaning basin 1, the treatment tank lifting ring 8 is lifted, the treatment tank 3 is taken out of the interior of the treatment housing 2, and the filter screen 13 and the filter cotton 14 are taken out of the waste.
Example 2
Referring to fig. 2, on the basis of embodiment 1, two corresponding sliding grooves 18 are formed in the upper surface of the abutting edge 7 of the shell, a scraping mechanism slidably connected with the sliding grooves 18 is arranged in each sliding groove 18, the scraping mechanism includes a scraping rod, a spiral scraping brush 19 surrounding the scraping rod is arranged on the scraping rod, vertically upward supporting rods are arranged at two ends of the scraping rod, and the top ends of the supporting rods are slidably connected with the two sliding grooves 18 respectively;
the scraping brush 19 abuts against the upper surface of the filter net 13.
In order to avoid the influence of the filter screen 13 on the filtering efficiency caused by the accumulation of waste residues, the scraping mechanism can be pulled to horizontally move in the sliding groove 18, and the scraping brush 19 can scrape the waste residues accumulated on the filter screen 13, so that the filtering of waste liquid is accelerated.
Example 3
Referring to fig. 1, on the basis of embodiment 1, an upper cover 20 is hinged to one side of the top of the handheld edge 5 of the treatment housing, and an ozone generating device 21 is fixedly arranged on one side of the upper cover 20 facing the inside of the treatment housing 2.
After use, the upper cover 20 is closed, and the ozone generator 21 is opened, whereby the apparatus itself can be sterilized.
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 (6)
1. The laboratory sewage treatment device is characterized by comprising a treatment shell (2) capable of being lapped in a laboratory cleaning water tank (1), and a treatment tank (3) lapped in the treatment shell (2), wherein a washing mechanism and a filtering mechanism are arranged in the treatment tank (3);
the treatment shell (2) is a square shell sleeved in the laboratory cleaning water pool (1), the middle part of the treatment shell (2) is vertically communicated, a pool butt joint edge (4) is fixedly arranged at the top of the periphery of the treatment shell (2), a treatment shell handheld edge (5) is fixedly arranged above the pool butt joint edge (4), and handheld grooves (6) are formed in two ends of the treatment shell handheld edge (5);
the processing tank (3) is a square shell sleeved inside the processing shell (2), the middle of the processing tank (3) is vertically communicated, a shell butt joint edge (7) which can be lapped on the handheld edge (5) of the processing shell is fixedly arranged at the top of the periphery of the processing tank (3), and processing tank hand rings (8) are fixedly arranged at two ends of the shell butt joint edge (7).
2. The laboratory wastewater treatment device according to claim 1, wherein the filtering mechanism comprises a filter screen placement groove (9) provided at one side of the bottom of the treatment tank (3), and a filter cotton placement groove (10) is provided at the bottom of the filter screen placement groove (9);
a filter screen placing table (11) is fixedly arranged on the inner wall of the treatment tank (3), and the filter screen placing table (11) is parallel to the bottom end of the filter screen placing tank (9); a filter cotton placing table (12) is fixedly arranged on the inner wall of the treatment tank (3), and the filter cotton placing table (12) is parallel to the bottom end of the filter cotton placing tank (10);
the filter screen placing table (11) and the filter cotton placing table (12) are arranged on the inner wall of the treatment tank (3) opposite to the filter screen placing groove (9) and the filter cotton placing groove (10).
3. The laboratory wastewater treatment device according to claim 2, wherein a filter screen (13) is placed in the filter screen placement tank (9), and filter cotton (14) is placed in the filter cotton placement tank (10); one end of the filter screen (13) is placed in the filter screen placing groove (9), and the other end of the filter screen (13) is lapped on the filter screen placing table (11); one end of the filter cotton (14) is placed in the filter cotton placing groove (10), and the other end of the filter cotton is lapped on the filter cotton placing table (12).
4. The laboratory wastewater treatment device according to claim 1, wherein the washing mechanism comprises a base (15) fixedly arranged on the upper surface of the abutting edge (7) of the housing, a spring rope (16) is fixedly connected to the base (15), and a brush (17) is fixedly connected to the end of the spring rope (16).
5. The laboratory sewage treatment device according to claim 1, wherein the upper surface of the housing butt joint edge (7) is provided with two corresponding sliding grooves (18), a scraping mechanism slidably connected with the sliding grooves (18) is arranged in each sliding groove (18), the scraping mechanism comprises a scraping rod, a spiral scraping brush (19) surrounding the scraping rod is arranged on the scraping rod, two ends of the scraping rod are provided with vertically upward supporting rods, and the top ends of the supporting rods are respectively slidably connected with the two sliding grooves (18);
the scraping brush (19) is abutted against the upper surface of the filter screen (13).
6. Sewage treatment plant for laboratories according to claim 1, characterised in that an upper cover (20) is hinged on the top side of the handling edge (5) of the treatment housing, and an ozone generating device (21) is fixedly arranged on the side of the upper cover (20) facing the inside of the treatment housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275318.2A CN112058343A (en) | 2020-11-16 | 2020-11-16 | Sewage treatment plant is used in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275318.2A CN112058343A (en) | 2020-11-16 | 2020-11-16 | Sewage treatment plant is used in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112058343A true CN112058343A (en) | 2020-12-11 |
Family
ID=73655035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275318.2A Pending CN112058343A (en) | 2020-11-16 | 2020-11-16 | Sewage treatment plant is used in laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112058343A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026801A1 (en) * | 1994-03-30 | 1995-10-12 | Safety-Kleen Corp. | Composite liquid filter |
| CN205684416U (en) * | 2016-04-20 | 2016-11-16 | 象山沛公堂中药科技有限公司 | A kind of Chinese medicine circulation cleaning washing trough |
| JP2019098209A (en) * | 2017-11-29 | 2019-06-24 | 株式会社広洋技研 | Air lift and filtration equipment equipped with air lift |
| CN111231167A (en) * | 2020-01-15 | 2020-06-05 | 马传宗 | Cleaning device for plastic bottle recovery |
| CN211436751U (en) * | 2019-12-16 | 2020-09-08 | 常州格瑞特包装设备有限公司 | Convenient belt cleaning device of coating machine |
| CN211752844U (en) * | 2019-12-31 | 2020-10-27 | 浙江科强生态养殖有限公司 | Environment-friendly pig house sewage treatment plant |
-
2020
- 2020-11-16 CN CN202011275318.2A patent/CN112058343A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026801A1 (en) * | 1994-03-30 | 1995-10-12 | Safety-Kleen Corp. | Composite liquid filter |
| CN205684416U (en) * | 2016-04-20 | 2016-11-16 | 象山沛公堂中药科技有限公司 | A kind of Chinese medicine circulation cleaning washing trough |
| JP2019098209A (en) * | 2017-11-29 | 2019-06-24 | 株式会社広洋技研 | Air lift and filtration equipment equipped with air lift |
| CN211436751U (en) * | 2019-12-16 | 2020-09-08 | 常州格瑞特包装设备有限公司 | Convenient belt cleaning device of coating machine |
| CN211752844U (en) * | 2019-12-31 | 2020-10-27 | 浙江科强生态养殖有限公司 | Environment-friendly pig house sewage treatment plant |
| CN111231167A (en) * | 2020-01-15 | 2020-06-05 | 马传宗 | Cleaning device for plastic bottle recovery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20201211 |