CN113274784A - Intelligent medical wastewater filter - Google Patents
Intelligent medical wastewater filter Download PDFInfo
- Publication number
- CN113274784A CN113274784A CN202110607404.7A CN202110607404A CN113274784A CN 113274784 A CN113274784 A CN 113274784A CN 202110607404 A CN202110607404 A CN 202110607404A CN 113274784 A CN113274784 A CN 113274784A
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- plate
- seat
- filter
- frame body
- wall
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- 239000002351 wastewater Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000002906 medical waste Substances 0.000 abstract description 13
- 238000005406 washing Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000032420 Latent Infection Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
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- 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
- B01D29/01—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 flat filtering elements
-
- 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
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- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an intelligent medical wastewater filter which comprises a frame body, wherein a filter screen is arranged at the front end in the frame body, a partition plate is arranged behind the left inner wall and the right inner wall of the frame body, a sealing plate is fixed on the rear end wall of the frame body, a cleaning pipeline and a drainage pipeline are arranged in the sealing plate, a resettable dredging device is movably arranged in front of the partition plate, and a dredging column corresponding to a through hole of the filter screen is arranged in the dredging device. The invention has the advantages that: this filter is equipped with a drainage pipe and a washing pipeline, when normal row of waste water, waste water passes through drainage pipe and gets into the filter and the filter screen in the interior filter filters, when long-time after using perhaps when taking place to block up, close drainage pipe, open and wash the pipeline, clean water gets into the filter and under the effect of rivers from drainage pipe, the mediation that the pull throughs realization filter screen in the clean water promotion filter, intelligent degree is high, the condition of artificial contact medical waste water has been avoided, the filterable security has been improved.
Description
The technical field is as follows:
the invention relates to the technical field of intelligent medical waste treatment equipment, in particular to an intelligent medical waste water filter.
Background art:
medical waste water is mainly sewage discharged from a diagnosis and treatment room, a laboratory, a ward, a laundry, an X-ray photography room, an operating room and the like of a hospital, the medical waste water contains a large amount of pathogenic bacteria, viruses and chemical agents and has the characteristics of space pollution, acute infection and latent infection, so the waste water needs to be subjected to advanced treatment before being discharged, impurities in the waste water need to be filtered before the medical waste water is subjected to the advanced treatment, the traditional filtering method adopts a filter screen for filtering, the filter screen is easy to block in the filtering process and poor in filtering effect, and the problems of skin contact and the like are inevitable when the filter screen is dredged manually, so that the life health is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an intelligent medical wastewater filter which avoids the phenomenon that a filter screen needs to be directly dredged manually when blockage occurs, the filter is provided with a drainage pipeline and a cleaning pipeline, wastewater enters the filter through the drainage pipeline and is filtered by the filter screen in an inner filter when the wastewater is normally drained, after long-time use or blockage occurs, the drainage pipeline is closed, the cleaning pipeline is opened, clean water enters the filter from the drainage pipeline and pushes dredging devices in the filter to press a plurality of dredging columns in the dredging devices to the filter screen under the action of water flow, so that the filter screen is dredged automatically, the intelligent degree is high, the effect is good, the condition that the medical wastewater is contacted manually is avoided, and the filtering safety is improved.
In order to realize the technical scheme, the invention provides the following technical scheme:
the utility model provides an intelligence medical waste water filter, includes the framework, and the inside front end of framework is equipped with filter screen, its characterized in that: the filter screen is characterized in that partition plates are arranged behind the left inner wall and the right inner wall of the frame body, a sealing plate is fixed on the rear end wall of the frame body, cleaning pipelines and drainage pipelines are arranged in the sealing plate and are respectively positioned on the upper side and the lower side of the partition plates, a resettable dredging device is movably arranged in front of the partition plates, and dredging columns corresponding to the through holes of the filter screen are arranged in the dredging device.
As above-mentioned technical scheme's preferred, the pull throughs includes vertical board seat and activity board seat, and the roof bottom surface of framework has in the first T shape spout slide and is equipped with first slide, is connected with first reset spring between the front end wall of first slide and first T shape spout, and the bottom surface at first slide is fixed to vertical board seat, activity board seat rotates the bottom that sets up at vertical board seat through connecting the pivot, activity board seat parallel arrangement is in the bottom of division board.
Preferably as above-mentioned technical scheme, wherein one end of connecting the pivot is equipped with the reset torsion spring, and the other end of connecting the pivot stretches out the lateral wall of vertical plate holder and is equipped with spacing protruding axle, is equipped with two limit stop on the lateral wall of vertical plate holder.
Preferably, the vertical plate base is provided with a plurality of first water through long grooves which are uniformly distributed up and down, the movable plate base is provided with a plurality of second water through long grooves which are uniformly distributed back and forth, a plurality of dredging columns are arranged on the front end face of the vertical plate base and between two adjacent first water through long grooves, and a plurality of identical dredging columns are arranged on the bottom face of the movable plate base and between two adjacent second water through long grooves.
Preferably, a T-shaped adjusting frame is inserted into a top plate of the frame body, a vertical slot and a bottom slot which are matched with a vertical plate of the T-shaped adjusting frame are respectively formed in the inner side wall of the frame body and the top surface of a bottom plate, the vertical plate of the T-shaped adjusting frame penetrates through the top plate of the frame body and is attached to the front end wall of the separation plate, a water through opening is formed in the upper portion of the vertical plate of the T-shaped adjusting frame, a plurality of pressure springs are connected between the top plate of the T-shaped adjusting frame and the top surface of the frame body, and an electromagnetic adsorption plate corresponding to the top plate of the T-shaped adjusting frame is arranged on the top surface of the frame body.
As above-mentioned technical scheme's preferred, the bottom surface of division board is equipped with second T shape spout, slides in the second T shape spout and is equipped with the second slide, be connected with second reset spring between the front end wall of second slide and second T shape spout, the front end of second slide is equipped with horizontal limiting plate, and the bottom surface of second slide is equipped with vertical atress board, the ground rear end of activity board seat is equipped with the draw-in groove with horizontal limiting plate matched with.
Preferably, the front end face of the vertical plate base and the bottom face of the movable plate base are both provided with the same circular hole grooves, the dredging column is fixed in the circular hole grooves, the protecting sleeve is sleeved on the dredging column and is slidably arranged in the circular hole grooves, the inner circular wall of each circular hole groove is provided with an inner sliding groove, the outer circular wall of the protecting sleeve is provided with a guide sliding block corresponding to the inner sliding groove, and the circular hole grooves are internally provided with third reset springs.
The invention has the beneficial effects that: this filter has avoided the phenomenon that needs artifical directness to carry out the mediation to the filter screen when taking place to block up, this filter is equipped with a drainage pipe and a washing pipeline, when normal row of waste water, waste water passes through drainage pipe and gets into the filter and the filter screen in the internal filter filters, perhaps when taking place to block up after long-time the use, close drainage pipe, open the washing pipeline, clean water gets into the filter and under the effect of rivers from drainage pipe, the pull throughs in the clean water promotion filter and the a plurality of pull throughs in the pull throughs to the filter screen, thereby the automatic mediation to the filter screen that realizes, intelligent degree is high, and is good in effect, the condition of manual contact medical waste water has been avoided, and the filterable security has been improved.
Description of the drawings:
FIG. 1 is a schematic diagram of an intelligent medical wastewater filter according to the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a three-dimensional perspective view of another perspective of the internal structure of the present invention;
FIG. 4 is a right side view of the internal structure of the present invention;
fig. 5 is a schematic view of the installation of the dredging column and the protective sleeve of the present invention.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 to 5, an intelligent medical wastewater filter comprises a frame body 1, wherein a filter screen 14 is arranged at the front end inside the frame body 1, partition plates 16 are arranged behind the left and right inner walls of the frame body 1, a sealing plate 11 is fixed on the rear end wall of the frame body 1, a cleaning pipeline 12 and a drainage pipeline 13 are arranged in the sealing plate 11, the cleaning pipeline 12 and the drainage pipeline 13 are respectively positioned at the upper side and the lower side of the partition plates 16, a resettable dredging device is movably arranged in front of the partition plates 16, and dredging columns 27 corresponding to through holes of the filter screen 14 are arranged in the dredging device.
Further, the dredging device comprises a vertical plate seat 21 and a movable plate seat 22, a first sliding seat 24 is arranged in a sliding manner in a first T-shaped sliding groove 103 formed in the bottom surface of the top plate of the frame body 1, a first return spring 241 is connected between the first sliding seat 24 and the front end wall of the first T-shaped sliding groove 103, the vertical plate seat 21 is fixed on the bottom surface of the first sliding seat 24, the movable plate seat 22 is rotatably arranged at the bottom of the vertical plate seat 21 through a connecting rotating shaft 25, and the movable plate seat 22 is arranged at the bottom of the partition plate 16 in parallel.
Furthermore, one end of the connecting rotating shaft 25 is provided with a reset torsion spring, the other end of the connecting rotating shaft 25 extends out of the side wall of the vertical plate base 21 and is provided with a limit protruding shaft 251, and two limit stoppers 26 are arranged on the side wall of the vertical plate base 21.
Further, a plurality of first water through long grooves 211 which are uniformly distributed up and down are formed in the vertical plate base 21, a plurality of second water through long grooves 221 which are uniformly distributed back and forth are formed in the movable plate base 22, a plurality of dredging columns 27 are arranged on the front end face of the vertical plate base 21 and between every two adjacent first water through long grooves 211, and a plurality of identical dredging columns 27 are arranged on the bottom face of the movable plate base 22 and between every two adjacent second water through long grooves 221.
Further, a T-shaped adjusting frame 15 is inserted into a top plate of the frame body 1, a vertical slot 101 and a bottom slot 102 which are matched with a vertical plate of the T-shaped adjusting frame 15 are respectively arranged on the inner side wall of the frame body 1 and the top surface of a bottom plate, the vertical plate of the T-shaped adjusting frame 15 penetrates through the top plate of the frame body 1 and is attached to the front end wall of the separation plate 16, a water through opening 151 is formed above the vertical plate of the T-shaped adjusting frame 15, a plurality of pressure springs 152 are connected between the top plate of the T-shaped adjusting frame 15 and the top surface of the frame body 1, and an electromagnetic adsorption plate 18 corresponding to the top plate of the T-shaped adjusting frame 15 is arranged on the top surface of the frame body 1.
Further, the bottom surface of division board 16 is equipped with second T shape spout 161, and the slip is equipped with second slide 17 in the second T shape spout 161, be connected with second reset spring 162 between the front end wall of second slide 17 and second T shape spout 161, the front end of second slide 17 is equipped with horizontal limiting plate 171, and the bottom surface of second slide 17 is equipped with vertical atress board 172, the ground rear end of activity board seat 22 is equipped with draw-in groove 222 with horizontal limiting plate 171 matched with.
Further, the front end face of the vertical plate base 21 and the bottom face of the movable plate base 22 are both provided with the same circular hole groove 201, the dredging column 27 is fixed in the circular hole groove 201, the protecting sleeve 23 is sleeved on the dredging column 27 and is slidably arranged in the circular hole groove 201, the inner circular wall of the circular hole groove 201 is provided with an inner sliding groove 202, the outer circular wall of the protecting sleeve 23 is provided with a guide sliding block 231 corresponding to the inner sliding groove 202, and the circular hole groove 201 is internally provided with a third reset spring 232.
The working principle of the invention is as follows:
1. when the medical waste water purifier is used at ordinary times, a waste water pipeline of a hospital is connected with a drainage pipeline 13, a cleaning pipeline 12 is connected with an external water pump, under the condition of normal drainage, medical waste water enters the frame body 1 and flows through the lower part of the partition plate 16, the space above the partition plate 16 is sealed by the T-shaped adjusting frame 15, when the medical waste water flows through, due to the action of water flow, the vertical stress plate 172 receives forward thrust, the second sliding seat 17 moves forward, so that the horizontal limiting plate 171 moves into the clamping groove 222, the overturning motion of the movable plate seat 22 is limited finally, and the medical waste water is filtered through the filter screen 14;
2. after long-time use, in order to ensure the filtering effect, the meshes of the filtering net 14 need to be dredged, at this time, the waste water pipeline discharge of the hospital is closed, the T-shaped adjusting frame 15 is pressed downwards, the T-shaped adjusting frame 15 is inserted into the bottom slot 102 and is adsorbed and fixed by the electromagnetic adsorption plate 18, meanwhile, the pressing movement of the T-shaped adjusting frame 15 closes the space below the partition plate 16, and also turns over the movable plate seat 22 at a certain angle, when the water pump is turned on, and cleaning water is flushed into the frame body 1 from the cleaning pipeline 12, the cleaning water flows towards the dredging device through the water through port 151, due to the action of gravity, the cleaning water firstly flows downwards, at this time, under the action of the gravity, the movable plate seat 22 further turns over, then a large amount of cleaning water simultaneously flows towards the vertical plate seat 21 and the movable plate seat 22, under the push of the water pressure, the movable plate seat 22 is firstly pressed to the vertical state, then the cleaning water and the vertical plate base 21 are pushed forward by water flow in a vertical state, then the dredging columns 27 in the vertical plate base 21 and the movable plate base 22 are inserted into meshes of the filter screen 14 to push away blockages in the meshes, the holes of the filter screen 14 are blocked by the dredging columns 27, so that the water flow cannot pass through the dredging columns, at the moment, the whole frame body 1 is slowly filled with the cleaning water through the first water through long grooves 211 and the second water through long grooves 221, then the discharge of the cleaning water is closed, because the vertical plate base 21 and the movable plate base 22 are not pushed forward by water pressure any more, the vertical plate base 21 is reset and moves backwards under the action of the first reset spring 241, at the moment, the meshes of the filter screen 14 are opened, the cleaning water is discharged through the filter screen 14, and finally the automatic dredging of the filter screen 14 is realized.
In addition, set up lag 23 and can make when using at ordinary times, dredge post 27 can not soak for a long time and take place to corrode or the phenomenon of surface adhesion impurity in medical waste water, ensure with filter screen 14's cooperation, only when vertical board seat 21 and activity board seat 22 press to filter screen 14, dredge post 27 just can press into under hydraulic effect in the mesh of filter screen 14.
In addition, the torsion force of the return torsion spring connected to the rotating shaft 25 is much smaller than the elastic force of the first return spring 241, which is why the horizontal position limiting plate 171 is provided, and when the cleaning water is released at the beginning, the movable plate holder 22 is first quickly washed to the vertical state by the water flow, and then is pushed by the water flow together with the vertical plate holder 21; when the water is discharged, the movable plate seat 22 is also quickly bounced off by the elastic force of the first return spring 241, so that the dredging column 27 in the movable plate seat 22 can be ensured to be in a horizontal state when the filter screen 14 is inserted and the filter screen 14 is separated.
Claims (7)
1. The utility model provides an intelligence medical wastewater filter, includes framework (1), and the inside front end of framework (1) is equipped with filter screen (14), its characterized in that: the cleaning device is characterized in that partition plates (16) are arranged behind the left inner wall and the right inner wall of the frame body (1), sealing plates (11) are fixed on the rear end walls of the frame body (1), cleaning pipelines (12) and drainage pipelines (13) are arranged in the sealing plates (11), the cleaning pipelines (12) and the drainage pipelines (13) are respectively located on the upper side and the lower side of the partition plates (16), a resettable dredging device is movably arranged in front of the partition plates (16), and dredging columns (27) corresponding to through holes of the filter screen (14) are arranged in the dredging device.
2. The intelligent medical wastewater filter of claim 1, wherein: the dredging device comprises a vertical plate seat (21) and a movable plate seat (22), wherein a first sliding seat (24) is arranged in a sliding manner in a first T-shaped sliding groove (103) formed in the bottom surface of a top plate of the frame body (1), a first reset spring (241) is connected between the first sliding seat (24) and the front end wall of the first T-shaped sliding groove (103), the vertical plate seat (21) is fixed on the bottom surface of the first sliding seat (24), the movable plate seat (22) is rotatably arranged at the bottom of the vertical plate seat (21) through a connecting rotating shaft (25), and the movable plate seat (22) is arranged at the bottom of the partition plate (16) in parallel.
3. The intelligent medical wastewater filter of claim 2, wherein: one end of the connecting rotating shaft (25) is provided with a reset torsion spring, the other end of the connecting rotating shaft (25) extends out of the side wall of the vertical plate seat (21) and is provided with a limit protruding shaft (251), and two limit stop blocks (26) are arranged on the side wall of the vertical plate seat (21).
4. The intelligent medical wastewater filter of claim 2, wherein: the novel plate-type water purifier is characterized in that a plurality of first water through long grooves (211) which are uniformly distributed up and down are formed in the vertical plate seat (21), a plurality of second water through long grooves (221) which are uniformly distributed front and back are formed in the movable plate seat (22), a plurality of dredging columns (27) are arranged on the front end face of the vertical plate seat (21) and located between every two adjacent first water through long grooves (211), and a plurality of identical dredging columns (27) are arranged on the bottom face of the movable plate seat (22) and located between every two adjacent second water through long grooves (221).
5. The intelligent medical wastewater filter of claim 2, wherein: the utility model discloses a solar energy collecting device, including framework (1), bottom plate, roof, bottom plate, top plate, bottom plate, top plate, bottom plate, top plate, bottom plate, top plate, bottom plate, top, bottom plate, top surface, bottom plate, top plate, bottom plate, top surface, bottom plate, bottom, and be equipped with the top surface, and bottom plate.
6. The intelligent medical wastewater filter of claim 2, wherein: the bottom surface of division board (16) is equipped with second T shape spout (161), and the slip is equipped with second slide (17) in second T shape spout (161), be connected with second reset spring (162) between the front end wall of second slide (17) and second T shape spout (161), the front end of second slide (17) is equipped with horizontal limiting plate (171), and the bottom surface of second slide (17) is equipped with vertical atress board (172), the ground rear end of activity board seat (22) is equipped with draw-in groove (222) with horizontal limiting plate (171) matched with.
7. The intelligent medical wastewater filter of claim 2, wherein: the front end face of vertical plate seat (21) with the bottom surface of activity plate seat (22) all is equipped with same round hole recess (201), and mediation post (27) are fixed in round hole recess (201), and lag (23) cover is established on mediation post (27) and is slided and set up in round hole recess (201), be equipped with interior spout (202) on the interior round wall of round hole recess (201), be equipped with on the outer circular wall of lag (23) with the corresponding guide slider (231) of interior spout (202), be equipped with third reset spring (232) in round hole recess (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607404.7A CN113274784B (en) | 2021-06-01 | 2021-06-01 | Intelligent medical wastewater filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607404.7A CN113274784B (en) | 2021-06-01 | 2021-06-01 | Intelligent medical wastewater filter |
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| Publication Number | Publication Date |
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| CN113274784A true CN113274784A (en) | 2021-08-20 |
| CN113274784B CN113274784B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110607404.7A Active CN113274784B (en) | 2021-06-01 | 2021-06-01 | Intelligent medical wastewater filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275402A (en) * | 2021-11-22 | 2022-04-05 | 浙江微盾环保科技股份有限公司 | Water circulation device for medical waste treatment |
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