CN211419902U - Medical wastewater treatment equipment - Google Patents
Medical wastewater treatment equipment Download PDFInfo
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- CN211419902U CN211419902U CN201921695596.6U CN201921695596U CN211419902U CN 211419902 U CN211419902 U CN 211419902U CN 201921695596 U CN201921695596 U CN 201921695596U CN 211419902 U CN211419902 U CN 211419902U
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- pond
- tank
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 42
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 12
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims description 27
- 239000000945 filler Substances 0.000 claims description 10
- 241000108664 Nitrobacteria Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000000813 microbial effect Effects 0.000 claims description 4
- 241000894007 species Species 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 52
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002906 medical waste Substances 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 7
- 230000000249 desinfective effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000001546 nitrifying effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 241000204031 Mycoplasma Species 0.000 description 1
- 241000204667 Thermoplasma Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 229920002477 rna polymer Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a medical wastewater treatment device, which comprises a grid pond, a septic regulating pond, a contact oxidation pond, a sedimentation tank, a membrane biological reaction pond, a disinfection pond and an ozone sterilization special device; grid pond is linked together with the septic equalizing basin, be provided with the elevator pump in the septic equalizing basin, the elevator pump intercommunication has the riser, the contact oxidation pond, the sedimentation tank, be linked together in proper order between membrane biological reaction pond and the disinfection pond, ozone sterilization professional equipment is linked together with the disinfection pond, the utility model discloses can medical waste water carry out many-sided processing, make the processing of waste water more comprehensive, thereby make the emission of waste water safer, and divide into anaerobism section and aerobic section with the contact oxidation pond, make through can getting rid of the various organic substances in the waste water in the anaerobism section, can descend the ammonia nitrogen of decomposing the waste water under the condition that oxygen content is sufficient in aerobic section, also make the COD value in the waste water reduce lower level simultaneously, make waste water can high-efficiently purify.
Description
Technical Field
The utility model relates to the technical field of medical wastewater treatment equipment, in particular to medical wastewater treatment equipment.
Background
At present, the medical industry of China is developing vigorously, medical wastewater is generated along with the development of the medical industry, the medical wastewater is complex in composition, high in concentration and salinity, and contains various organic pollutants, inorganic heavy metal pollutants and the like, and if the medical wastewater is not treated properly, the pollution to the environment is unimaginable.
When the existing medical wastewater treatment equipment is used for treating medical wastewater, the treatment effect on organic pollutants in the medical wastewater is poor, so that part of the organic pollutants are not degraded and directly discharged when the wastewater is discharged, and the environment is polluted. Based on this, the utility model designs a medical wastewater treatment equipment to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical wastewater treatment equipment to solve above-mentioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a medical wastewater treatment device comprises a grid pool, a septic regulating pool, a contact oxidation pool, a sedimentation pool, a membrane biological reaction pool, a disinfection pool and a disinfection device;
the grid tank is communicated with the septic regulating tank, a lifting pump is arranged in the septic regulating tank, the lifting pump is communicated with a lifting pipe, and the septic regulating tank is communicated with the contact type oxidation tank through the lifting pipe;
the contact type oxidation tank, the sedimentation tank, the membrane biological reaction tank and the disinfection tank are sequentially communicated, and the ozone sterilization special equipment is communicated with the disinfection tank.
Preferably, the grid pond is a mixed brick structure, the grids in the grid pond are mechanical grids, and the distance between every two groups of grids is 5 mm.
Preferably, the contact type oxidation tank is divided into an anaerobic section and an aerobic section, the anaerobic section is communicated with the septic regulating tank, a first filler attached with a large number of microbial communities of different species is filled in the anaerobic section, and a second filler attached with nitrobacteria is filled in the aerobic section.
Preferably, the septic regulating tank and the aerobic section are communicated with aeration equipment, the aeration equipment comprises a blower, an air conveying pipe and microporous aeration heads, the blower and the three groups of microporous aeration heads are respectively communicated through the air conveying pipe, and the microporous aeration heads are respectively arranged in the septic regulating tank and the aerobic section.
Preferably, the membrane biological reaction tank is of a carbon steel structure, and a plurality of groups of MBR biological membranes for membrane biological filtration treatment are arranged in the membrane biological reaction tank.
Preferably, the disinfection device is an ozone sterilization disinfection device or an ultraviolet disinfection device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can process medical wastewater in many aspects by arranging the grid tank, the septic regulating tank, the contact oxidation tank, the sedimentation tank, the membrane biological reaction tank, the disinfection tank and the ozone sterilization special equipment, so that the wastewater treatment is more comprehensive, and the wastewater discharge is safer; the contact type oxidation pond is divided into an anaerobic section and an aerobic section, so that various organic substances in the wastewater can be removed in the anaerobic section, the content of organic substances in the wastewater is greatly reduced, ammonia nitrogen in the wastewater can be degraded in the aerobic section under the condition of sufficient oxygen, and the COD value in the wastewater is reduced to a lower level, so that the wastewater is efficiently purified; can carry out biological fungus membranization through setting up the membrane biological reaction pond and handle, effectively hold back the slow nitrobacteria of individual little growth, organic matters such as the effective degradation COD of ammonia nitrogen clearance height, the purity that promotes waste water further improves waste water treatment effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that 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 diagram of the middle contact oxidation pond of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-grid tank, 2-septic regulating tank, 3-contact oxidation tank, 301-anaerobic section, 302-aerobic section, 303-first filler, 304-second filler, 4-sedimentation tank, 5-membrane biological reaction tank, 501-MBR biological membrane, 6-disinfection tank, 7-disinfection equipment, 8-lift pump, 9-lift pipe, 10-aeration equipment, 1001-blower, 1002-wind conveying pipe, 1003-microporous aeration head, 1004-electric control valve, 11-sludge return pipe, and 12-sludge pump.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a medical wastewater treatment device comprises a grid tank 1, a septic regulating tank 2, a contact oxidation tank 3, a sedimentation tank 4, a membrane biological reaction tank 5, a disinfection tank 6 and a disinfection device 7;
the grid tank 1 is communicated with the septic regulating tank 2, a lifting pump 8 is arranged in the septic regulating tank 2, the lifting pump 8 is communicated with a lifting pipe 9, and the septic regulating tank 2 is communicated with the contact type oxidation tank 3 through the lifting pipe 9;
the contact oxidation tank 3, the sedimentation tank 4, the membrane biological reaction tank 5 and the disinfection tank 6 are communicated in sequence, and the ozone sterilization special equipment 7 is communicated with the disinfection tank 6.
Specifically, grid pond 1 is mixed brick structure, and the grid in grid pond 1 is mechanical grid, and the interval between every group grid is 5mm, can clear away soft entanglement, great solid granule debris and the floater in the waste water.
Specifically, the contact oxidation tank 3 is divided into an anaerobic section 301 and an aerobic section 302, the anaerobic section 301 is communicated with the septic regulating tank 2, a first filler 303 attached with a large number of microbial communities of different species is filled in the anaerobic section 301, a second filler 304 attached with nitrobacteria is filled in the aerobic section 302, and the organic matters are hydrolyzed, acidified and methanated by the action of the anaerobic bacteria in the anaerobic section, so that the organic matters in the wastewater are removed, the biodegradability of the wastewater is improved, and the subsequent aerobic treatment is facilitated; the oxidation section makes the microbes in the waste water perform aerobic respiration to further decompose and reduce the organic matters, and effectively controls the oxygen content and other requirements of the microbes to be optimal, so that the waste water can be better biochemically treated.
Specifically, the septic regulating tank 2, the anaerobic section 301 and the aerobic section 302 are all communicated with an aeration device 10, the aeration device 10 comprises a blower 1001, an air delivery pipe 1002 and a microporous aeration head 1003, the blower 1001 and the microporous aeration head 1003 are respectively communicated through the air delivery pipe 1002, the microporous aeration head 1003 is respectively arranged in the septic regulating tank 2, the anaerobic section 301 and the aerobic section 302, the air delivery pipes 1002 corresponding to the anaerobic section 301 and the aerobic section 302 are respectively provided with an electric control valve 1004, and the septic regulating tank is internally provided with the microporous aeration head, so that oxygen can be flushed and stirred into the tank through the microporous aeration head to prevent the accumulation of particles in the sewage due to long-term sedimentation, and the anaerobic section 301 and the aerobic section 302 have a certain degradation effect on organic matters in the sewage, thereby improving the pretreatment capacity of the whole system; the anaerobic section is provided with a microporous aeration head and a group of electric control valves, so that the use of the microporous aeration head can be controlled by controlling the electric control valves, and the microporous aeration head can accelerate the mixing of the wastewater in the anaerobic section by flushing oxygen; the aerobic section is provided with the microporous aeration head and a group of electric control valves, so that the microporous aeration head can be opened periodically through the electric control valves, the oxygen content in the aerobic section can be adjusted, and the activity of the nitrifying bacteria can be kept.
Specifically, the membrane biological reaction tank 5 is of a carbon steel structure, a plurality of groups of MBR biological membranes 501 for membrane biological filtration treatment are arranged in the membrane biological reaction tank 5, individual small and slow-growing nitrifying bacteria are effectively intercepted through biological membrane biological filtration treatment, the ammonia nitrogen removal rate is high, and the purity of the wastewater is improved to effectively degrade organic matters such as COD.
Specifically, the disinfecting equipment is ozone sterilization disinfecting equipment or ultraviolet ray disinfecting equipment, can both play the high efficiency disinfection and isolation processing of disinfecting to sewage through ozone sterilization equipment and ultraviolet ray disinfecting equipment.
One specific application example of this embodiment is:
the device is medical wastewater treatment equipment, and can be installed underground when in use, so that the floor area of the equipment is reduced.
Then the medical wastewater is discharged into a grid pool 1 through a pipeline, and a grid in the grid pool 1 can be assembled into a group of closed rake tooth chains in parallel by a plurality of same rake tooth machine parts in a staggered manner, and under the driving of an electric speed reducer, a group of grooved wheels and chains form continuous circulating work from top to bottom, so that soft entanglement, large solid particle sundries and flotage in the wastewater can be removed.
The wastewater treated by the grid pond 1 flows into a septic regulating pond 2, and a blower 1001 is started, and the blower 1001 performs oxygenation stirring on the septic regulating pond 2 through a wind conveying pipe 1002 and a microporous aeration head 1003 so as to prevent overstocking caused by long-term precipitation of particulate matters in the wastewater, and meanwhile, the wastewater has a certain degradation effect on organic matters in the wastewater, so that the pretreatment capacity of the whole equipment is improved; when the liquid level reaches a designated position, the lifting pump 8 is started, and the wastewater in the septic regulating tank 2 is lifted to the anaerobic section 301 in the contact type oxidation tank 3 through the lifting pipe 9 for treatment.
When the wastewater is discharged into the anaerobic section 301 in the earlier stage, starting a blower 1001 and an electric control valve 1004 arranged opposite to the anaerobic section 301, enabling a microporous aeration head 1003 to start working, and filling oxygen into the anaerobic section 301 for stirring, so that the wastewater can be fully mixed; then, the electric control valve 1004 is closed to restore the anaerobic environment in the anaerobic section 301, so that various organic matters in the wastewater are subjected to biochemical degradation and adsorption in the anaerobic section 301 through the first filler 303 attached with a large number of microbial communities of different species, and the content of the organic matters in the wastewater is reduced; then the wastewater flows into the aerobic section 302, passes through the second filler 304 with nitrifying bacteria in the aerobic section 302, and by opening the electric control valve 1004 corresponding to the aerobic section 302, the microporous aeration head 1003 of the aerobic section 302 oxygenizes the aerobic section 302, so that the oxygen content in the aerobic section 302 is increased, the ammonia nitrogen in the wastewater is decomposed under the condition of sufficient oxygen, and meanwhile, the COD value in the wastewater is reduced to a lower level, so that the wastewater is purified.
Then the wastewater automatically flows into a sedimentation tank 4, so that sludge in the wastewater is precipitated, and sludge impurities in the wastewater are eliminated; the wastewater after precipitation flows into the membrane biological reaction tank 5, and the wastewater is treated by a plurality of groups of MBR biological membranes 501, so that small and slowly growing nitrifying bacteria can be effectively intercepted, the ammonia nitrogen removal rate is high, and the purity of the wastewater is improved to effectively degrade organic matters such as COD (chemical oxygen demand); meanwhile, the MBR biological membrane 501 can further intercept the sludge remained in the wastewater;
the wastewater treated by the membrane biological reaction tank 5 flows into the disinfection tank 6, and the disinfection equipment 7 is started, wherein the special equipment for ozone sterilization and disinfection is taken as an example: the clean water in the disinfection tank 6 is subjected to drug delivery comprehensive disinfection treatment by ozone sterilization special equipment, the ozone oxidizes and decomposes enzymes necessary for glucose in bacteria, cells of bacteria and viruses and macromolecular polymers such as ribonucleic acid and the like are damaged, so that the cells are dissolved and killed, and genetic genes, parasitic strains, virus particles, mycoplasma, thermoplasma and the like of dead bacteria are dissolved, denatured and killed, so that the disinfection treatment is finished; finally, discharging the treated wastewater reaching the standard to finish the treatment of the medical wastewater.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. A medical wastewater treatment device, characterized in that: comprises a grating tank (1), a septic regulating tank (2), a contact oxidation tank (3), a sedimentation tank (4), a membrane biological reaction tank (5), a disinfection tank (6) and disinfection equipment (7);
the grid pond (1) is communicated with the septic regulating pond (2), a lifting pump (8) is arranged in the septic regulating pond (2), the lifting pump (8) is communicated with a lifting pipe (9), and the septic regulating pond (2) is communicated with the contact type oxidation pond (3) through the lifting pipe (9);
the contact type oxidation tank (3), the sedimentation tank (4), the membrane biological reaction tank (5) and the disinfection tank (6) are sequentially communicated, and the disinfection equipment (7) is communicated with the disinfection tank (6).
2. The medical wastewater treatment apparatus according to claim 1, characterized in that: the grid pond (1) is of a mixed brick structure, the grids in the grid pond (1) are mechanical grids, and the distance between every two grids is 5 mm.
3. The medical wastewater treatment apparatus according to claim 1, characterized in that: the contact type oxidation pond (3) is divided into an anaerobic section (301) and an aerobic section (302), the anaerobic section (301) is communicated with the septic regulating pond (2), a first filler (303) attached with a large number of microbial communities of different species is filled in the anaerobic section (301), and a second filler (304) attached with nitrobacteria is filled in the aerobic section (302).
4. The medical wastewater treatment apparatus according to claim 3, wherein: the septic regulating tank (2), the anaerobic section (301) and the aerobic section (302) are all communicated with an aeration device (10), the aeration device (10) comprises a blower (1001), an air conveying pipe (1002) and a micropore aeration head (1003), the blower (1001) and the micropore aeration head (1003) are respectively communicated through the air conveying pipe (1002), the micropore aeration head (1003) is respectively arranged in the septic regulating tank (2), the anaerobic section (301) and the aerobic section (302), and electric control valves (1004) are respectively arranged on the air conveying pipes (1002) corresponding to the anaerobic section (301) and the aerobic section (302).
5. The medical wastewater treatment apparatus according to claim 1, characterized in that: the membrane biological reaction tank (5) is of a carbon steel structure, and a plurality of groups of MBR biological membranes (501) for membrane biological filtration treatment are arranged in the membrane biological reaction tank (5).
6. The medical wastewater treatment apparatus according to claim 1, characterized in that: the disinfection equipment (7) is ozone sterilization disinfection equipment or ultraviolet disinfection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695596.6U CN211419902U (en) | 2019-10-11 | 2019-10-11 | Medical wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695596.6U CN211419902U (en) | 2019-10-11 | 2019-10-11 | Medical wastewater treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211419902U true CN211419902U (en) | 2020-09-04 |
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ID=72253411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921695596.6U Expired - Fee Related CN211419902U (en) | 2019-10-11 | 2019-10-11 | Medical wastewater treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211419902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573184A (en) * | 2022-02-28 | 2022-06-03 | 成都优越科技有限公司 | Integrated medical waste water processor |
| CN115196831A (en) * | 2022-07-15 | 2022-10-18 | 安徽水利生态环境建设有限公司 | Efficient biomedical wastewater treatment process |
-
2019
- 2019-10-11 CN CN201921695596.6U patent/CN211419902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573184A (en) * | 2022-02-28 | 2022-06-03 | 成都优越科技有限公司 | Integrated medical waste water processor |
| CN115196831A (en) * | 2022-07-15 | 2022-10-18 | 安徽水利生态环境建设有限公司 | Efficient biomedical wastewater treatment process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |