CN220951470U - Equipment for treating medical wastewater containing heavy metals - Google Patents
Equipment for treating medical wastewater containing heavy metals Download PDFInfo
- Publication number
- CN220951470U CN220951470U CN202322605867.7U CN202322605867U CN220951470U CN 220951470 U CN220951470 U CN 220951470U CN 202322605867 U CN202322605867 U CN 202322605867U CN 220951470 U CN220951470 U CN 220951470U
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- biological treatment
- heavy metals
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- wastewater containing
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 46
- 238000004062 sedimentation Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 238000005189 flocculation Methods 0.000 claims abstract description 24
- 230000016615 flocculation Effects 0.000 claims abstract description 24
- 230000015271 coagulation Effects 0.000 claims abstract description 22
- 238000005345 coagulation Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 9
- 244000005700 microbiome Species 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 abstract description 31
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 11
- 239000010840 domestic wastewater Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 239000002738 chelating agent Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses equipment for treating medical wastewater containing heavy metals, which relates to the technical field of sewage treatment and comprises a first regulating tank, a capturing tank, a coagulation tank, a flocculation tank, a first sedimentation tank, a second regulating tank, a biological treatment tank and a disinfection tank. The first regulating tank is provided with a first dosing device; the catching pool is communicated with the first regulating pool, and a second dosing device is arranged in the catching pool; the coagulation pool is communicated with the catching pool, and is provided with a third dosing device; the flocculation tank is communicated with the coagulation tank, and a fourth dosing device is arranged on the flocculation tank; the first sedimentation tank is communicated with the flocculation tank; the second regulating tank is communicated with the first sedimentation tank, and is provided with a fifth dosing device; the biological treatment tank is communicated with the second regulating tank, and a filler is arranged in the biological treatment tank; the disinfection tank is communicated with the biological treatment tank. The equipment for treating the medical wastewater containing the heavy metals can intensively treat domestic wastewater and laboratory wastewater of hospitals, and effectively reduce organic pollutants and heavy metals.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to equipment for treating medical wastewater containing heavy metals.
Background
The wastewater of basic medical institutions comprises domestic wastewater, laboratory wastewater and other sewage disposal wastewater. The domestic wastewater mainly contains COD cr, ammonia nitrogen, various organic pollutants and pathogenic microorganisms; laboratory wastewater mainly contains various heavy metal ions. The primary medical institution can intensively treat domestic wastewater and laboratory wastewater due to the cost problem, and the existing treatment equipment is respectively and independently treated for organic pollutants and heavy metal ions, for example, the treatment effect on the organic pollutants is poor after the heavy metal ions are treated; or the treatment effect of the heavy metal ions is poor after the treatment of the organic pollutants, and the effluent quality is often not up to the standard.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides equipment for treating the medical wastewater containing heavy metals, which can intensively treat domestic sewage and laboratory sewage of hospitals and effectively reduce organic pollutants and heavy metals.
An apparatus for treating medical wastewater containing heavy metals according to an embodiment of the present utility model includes: the first regulating tank is provided with a first dosing device;
The catching tank is communicated with the first regulating tank and is provided with a second dosing device;
The coagulation pool is communicated with the capturing pool and is provided with a third dosing device;
the flocculation tank is communicated with the coagulation tank, and is provided with a fourth dosing device;
The first sedimentation tank is communicated with the flocculation tank;
The second regulating tank is communicated with the first sedimentation tank, and is provided with a fifth dosing device;
the biological treatment tank is communicated with the second regulating tank, and a filler for attaching microorganisms is arranged in the biological treatment tank;
A disinfection tank, which is communicated with the biological treatment tank;
Wherein, rivers are in proper order through first equalizing basin, the catch tank, the coagulation tank, flocculation tank, first sedimentation tank, biological treatment pond with the disinfection pond.
The equipment for treating the medical wastewater containing heavy metals provided by the embodiment of the utility model has at least the following beneficial effects: the first regulating tank can regulate the pH value of the sewage, so that the subsequent heavy metal chelating and capturing are facilitated; respectively adding chelating agent, PAC (polyaluminium chloride) and PAM (polyacrylamide) into a capturing tank, a coagulating tank and a flocculating tank to capture heavy metal pollutants and other suspended pollutants to form alum blossom precipitates, and then sending the alum blossom precipitates into a first sedimentation tank for sedimentation; and sending the precipitated supernatant into a second regulating tank for pH value regulation again, so that the sewage is more suitable for the survival of microorganisms in the biological treatment tank, organic pollutants are decomposed by the microorganisms, ammonia nitrogen is consumed through conversion, and finally, after pathogenic bacteria are killed by a disinfection tank, the effluent can meet the emission standard.
According to some embodiments of the utility model, an aeration device is arranged at the bottom of the biological treatment tank, and the filling frame is arranged at the middle part of the height of the biological treatment tank.
According to some embodiments of the utility model, the aeration device is a jet aerator.
According to some embodiments of the utility model, the filler is distributed in a grid arrangement.
According to some embodiments of the utility model, a second sedimentation tank is provided between the biological treatment tank and the disinfection tank.
According to some embodiments of the utility model, a flow guiding pipe is vertically arranged in the second sedimentation tank, one end of the flow guiding pipe is connected with the water outlet of the biological treatment tank, and the other end extends towards the bottom direction of the second sedimentation tank.
According to some embodiments of the utility model, the wall of the second sedimentation tank is provided with an overflow groove, and the water outlet of the overflow groove is communicated with the disinfection tank.
According to some embodiments of the utility model, the disinfection tank comprises a hypochlorous disinfection tank and an ultraviolet disinfection tank which are communicated with each other, the hypochlorous disinfection tank is communicated with the biological treatment tank, the hypochlorous disinfection tank is provided with a hypochlorous generator, and the ultraviolet disinfection tank is provided with an overcurrent type ultraviolet sterilizer.
According to some embodiments of the utility model, the first sedimentation tank is provided with a filtering assembly, the filtering assembly comprises a plurality of baffles, the baffles are all obliquely arranged, and the baffles are arranged in parallel at intervals.
According to some embodiments of the utility model, the first conditioning tank, the catch tank, the coagulation tank and the flocculation tank are each provided with stirring means.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic cross-sectional structural view of an apparatus for treating medical wastewater containing heavy metals according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a second sedimentation tank according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of the internal structure of the first sedimentation tank according to an embodiment of the present utility model.
Reference numerals:
The device comprises a first regulating tank 100, a stirring device 101, a first dosing device 110, a capturing tank 200, a second dosing device 210, a coagulation tank 300, a third dosing device 310, a flocculation tank 400, a fourth dosing device 410, a first sedimentation tank 500, a filtering component 510, a baffle 511, a second regulating tank 600, a fifth dosing device 610, a biological treatment tank 700, a filler 710, an aeration device 720, a disinfection tank 800, a hypochlorous disinfection tank 810, an ultraviolet disinfection tank 820, a second sedimentation tank 900, a flow guide pipe 910 and an overflow tank 920.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, an apparatus for treating medical wastewater containing heavy metals according to an embodiment of the present utility model includes a first regulating tank 100, a capturing tank 200, a coagulation tank 300, a flocculation tank 400, a first settling tank 500, a second regulating tank 600, a biological treatment tank 700, and a sterilization tank 800.
The first regulating reservoir 100 is provided with a first dosing means 110;
The catch basin 200 is in communication with the first regulating basin 100, the catch basin 200 being provided with a second dosing device 210;
The coagulation tank 300 is communicated with the capturing tank 200, and the coagulation tank 300 is provided with a third dosing device 310;
The flocculation tank 400 is communicated with the coagulation tank 300, and the flocculation tank 400 is provided with a fourth dosing device 410;
the first sedimentation tank 500 is communicated with the flocculation tank 400;
The second regulating tank 600 is communicated with the first sedimentation tank 500, and the second regulating tank 600 is provided with a fifth medicine adding device 610;
the biological treatment tank 700 is communicated with the second regulating tank 600, and a filler 710 for microorganism adhesion is arranged in the biological treatment tank 700;
The disinfection tank 800 is communicated with the biological treatment tank 700;
Wherein the water flow sequentially passes through the first regulating tank 100, the capturing tank 200, the coagulation tank 300, the flocculation tank 400, the first sedimentation tank 500, the second regulating tank 600, the biological treatment tank 700, and the sterilization tank 800.
After mixing the domestic sewage of the hospital and the laboratory sewage, the domestic sewage is preferably collected and kept stand, most of impurities are settled, and then the water quality is homogenized. The wastewater is introduced into the first regulating tank 100, and caustic soda flakes or dilute sulfuric acid is added through the first dosing device 110, and the added agent is selected according to the actual pH value of the wastewater, so that the pH value of the wastewater is regulated to an effective capture zone of the heavy metal chelating agent.
The sewage with the pH value adjusted by the first adjusting tank 100 is transferred into the capturing tank 200, and the heavy metal chelating agent is put into the tank by the second dosing device 210, so that the complex heavy metal in the sewage is converted into a precipitate. The mixed solution is further fed into the coagulation tank 300, PAC is fed into the third chemical feeding device 310, and PAM is fed into the flocculation tank 400 and the fourth chemical feeding device 410. After twice dosing, heavy metals and other suspended matters form alum blossom precipitates.
And transferring the mixed solution into a first sedimentation tank 500 for preliminary sedimentation to remove solid matters in the mixed solution. So far, the heavy metal pollutants in the sewage are removed, and the supernatant liquid is left for further treatment of organic pollutants and ammonia nitrogen.
The supernatant is transferred to the second conditioning tank 600 for pretreatment. The sewage treated by the heavy metal has a pH value unsuitable for the survival of microorganisms, and is added with an adaptive agent to readjust the pH value by the fifth dosing device 610, and then transferred into the biological treatment tank 700. The biological treatment tank 700 is internally provided with a filler 710 for the growth and propagation of microorganisms, and the microorganisms can consume organic pollutants in sewage and convert ammonia nitrogen to reduce COD cr. Wherein, COD cr is the chemical oxygen consumption measured by adopting potassium dichromate (K 2Cr2O7) as an oxidant, namely dichromate index, and can be used for analyzing the wastewater with serious pollution so as to explain the condition that the wastewater is polluted by organic matters.
Finally, the sewage from the biological treatment tank 700 enters the disinfection tank 800 to kill pathogenic bacteria so as to meet the quality of the effluent.
It is understood that the aeration device 720 is arranged at the bottom of the biological treatment tank 700, and the filler 710 is arranged at the middle part of the height of the biological treatment tank 700.
The filler 710 is arranged at the middle part of the height of the biological treatment tank 700, and the filler 710 is at a proper distance from the tank bottom and the tank top. The filler 710 is kept at a proper distance from the top of the tank, so that the biofilm can be prevented from entering the next treatment tank along with water flow; the packing 710 is spaced from the bottom of the tank by a suitable distance to facilitate the aeration device 720 to fully distribute oxygen in the wastewater. It is understood that the aeration device 720 is preferably a jet aerator.
The jet aerator is maintenance-free in the operation process, is energy-saving and environment-friendly, has the operation energy consumption far lower than that of other aeration pipelines, and simultaneously greatly reduces the noise generated by operation.
It will be appreciated that the filler 710 is distributed in a grid-like arrangement.
The filler 710 is arranged and distributed in a grid shape, so that the contact area between the microbial film attached to the filler 710 and the sewage can be increased, the treatment efficiency of the microorganism on the organic pollutants in the sewage is improved, and the content of the organic pollutants is reduced.
It is understood that a second sedimentation tank 900 is provided between the biological treatment tank 700 and the sterilization tank 800.
After the sewage exits the biological treatment tank 700, solid substances such as activated sludge may be suspended in the sewage. The second sedimentation tank 900 is arranged to sediment and filter out the activated sludge, so as to separate mud from water, and avoid the influence of the accumulation of the activated sludge in the disinfection tank 800 on the disinfection effect.
Referring to fig. 2, it can be understood that a flow guiding pipe 910 is vertically disposed in the second sedimentation tank 900, one end of the flow guiding pipe 910 is connected to the water outlet of the biological treatment tank 700, and the other end extends toward the bottom of the second sedimentation tank 900.
The draft tube 910 can guide the sewage transferred from the biological treatment tank 700 to the bottom of the second sedimentation tank 900, so that the sewage overflows upwards in the second sedimentation tank 900, and solid suspended matters in the sewage, such as activated sludge, are precipitated by the action of gravity.
It is understood that the wall of the second sedimentation tank 900 is provided with an overflow groove 920, and the water outlet of the overflow groove 920 is communicated with the disinfection tank 800.
The overflow trough 920 can block the solid suspended matter floating on the water surface, further reducing the solid suspended matter flowing into the disinfection tank 800.
It will be appreciated that the disinfection tank 800 comprises a chlorine disinfection tank 810 and an ultraviolet disinfection tank 820 which are communicated with each other, the chlorine disinfection tank 810 is communicated with the biological treatment tank 700, the chlorine disinfection tank 810 is provided with a chlorine generator, and the ultraviolet disinfection tank 820 is provided with an overcurrent type ultraviolet sterilizer.
The hypochlorous disinfection tank 810 can effectively kill ova, viruses, bacterial groups and the like in the sewage; the ultraviolet disinfection tank 820 can control the coliform group indexes in the sewage, so as to avoid the exceeding of the standard of the effluent caused by the incomplete disinfection of the hypochlorous disinfection tank 810.
Referring to fig. 3, it can be understood that the first settling tank 500 is provided with a filtering assembly 510, the filtering assembly 510 includes a plurality of baffles 511, the baffles 511 are all inclined, and the plurality of baffles 511 are arranged in parallel with each other at intervals.
The sewage is moved upward with the solid suspended matter entrained therein, and during the movement, it hits the inclined baffle 511, reducing kinetic energy and changing the direction of movement. The inclined baffle 511 also lengthens the moving path of the water flow, consuming energy. After the kinetic energy of the solid suspended matters is reduced, the suspended matters are more acted by gravity, so that the suspended matters are settled downwards again.
It is understood that the first regulating tank 100, the capturing tank 200, the coagulation tank 300 and the flocculation tank 400 are provided with stirring devices 101, respectively.
The first dosing device 110 puts the medicament into the first regulating tank 100 to regulate the pH value of the sewage, and the stirring device stirs the sewage in the first regulating tank 100 to accelerate the medicament to be fully and uniformly mixed. The second dosing device 210 delivers the heavy metal chelating agent toward the catch basin 200, and the other stirring device stirs the sewage in the catch basin 200 to accelerate the heavy metal chelation. The third dosing device 310 doses PAC toward the coagulation tank 300, and another stirring device stirs the sewage in the coagulation tank 300 to accelerate aggregation of the chelated heavy metals. The fourth chemical adding device 410 adds PAM to the flocculation basin 400, and the other stirring device stirs the sewage in the flocculation basin 400 to accelerate the formation of alum blossom precipitation.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. An apparatus for treating medical wastewater containing heavy metals, comprising:
A first regulating reservoir (100), the first regulating reservoir (100) being provided with a first dosing device (110);
A catch basin (200), the catch basin (200) being in communication with the first adjustment basin (100), the catch basin (200) being provided with a second dosing device (210);
A coagulation tank (300), wherein the coagulation tank (300) is communicated with the capturing tank (200), and the coagulation tank (300) is provided with a third dosing device (310);
A flocculation tank (400), wherein the flocculation tank (400) is communicated with the coagulation tank (300) where the flocculation tank (400) is provided with a fourth dosing device (410);
A first sedimentation tank (500), the first sedimentation tank (500) being in communication with the flocculation tank (400);
The second regulating tank (600), the second regulating tank (600) is communicated with the first sedimentation tank (500), and the second regulating tank (600) is provided with a fifth dosing device (610);
A biological treatment tank (700), wherein the biological treatment tank (700) is communicated with the second regulating tank (600), and a filler (710) for attaching microorganisms is arranged in the biological treatment tank (700);
A disinfection tank (800), the disinfection tank (800) being in communication with the biological treatment tank (700);
Wherein, rivers are in proper order through first equalizing basin (100) catch pond (200) coagulate pond (300) flocculation basin (400), first sedimentation tank (500) second equalizing basin (600) biological treatment pond (700) with disinfection pond (800).
2. The apparatus for treating medical wastewater containing heavy metals according to claim 1, wherein: the bottom of the biological treatment tank (700) is provided with an aeration device (720), and the filler (710) is erected at the middle part of the height of the biological treatment tank (700).
3. The apparatus for treating medical wastewater containing heavy metals according to claim 2, wherein: the aeration device (720) is a jet aerator.
4. The apparatus for treating medical wastewater containing heavy metals according to claim 2, wherein: the fillers (710) are distributed in a grid arrangement.
5. The apparatus for treating medical wastewater containing heavy metals according to claim 1, wherein: a second sedimentation tank (900) is arranged between the biological treatment tank (700) and the disinfection tank (800).
6. The apparatus for treating medical wastewater containing heavy metals according to claim 5, wherein: a flow guide pipe (910) is vertically arranged in the second sedimentation tank (900), one end of the flow guide pipe (910) is connected with a water outlet of the biological treatment tank (700), and the other end extends towards the bottom direction of the second sedimentation tank (900).
7. The apparatus for treating medical wastewater containing heavy metals according to claim 6, wherein: the wall of the second sedimentation tank (900) is provided with an overflow groove (920), and the water outlet of the overflow groove (920) is communicated with the disinfection tank (800).
8. The apparatus for treating medical wastewater containing heavy metals according to claim 1, wherein: the disinfection pond (800) is including communicating hypochlorous disinfection pond (810) and ultraviolet disinfection pond (820) each other, hypochlorous disinfection pond (810) with biological treatment pond (700) intercommunication, hypochlorous disinfection pond (810) are equipped with the hypochlorous generator, ultraviolet disinfection pond (820) are equipped with overcurrent type ultraviolet sterilizer.
9. The apparatus for treating medical wastewater containing heavy metals according to claim 1, wherein: the first sedimentation tank (500) is provided with a filtering component (510), the filtering component (510) comprises a plurality of baffles (511), the baffles (511) are obliquely arranged, and the baffles (511) are arranged in parallel at intervals.
10. The apparatus for treating medical wastewater containing heavy metals according to claim 1, wherein: the first regulating tank (100), the capturing tank (200), the coagulation tank (300) and the flocculation tank (400) are respectively provided with a stirring device (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605867.7U CN220951470U (en) | 2023-09-25 | 2023-09-25 | Equipment for treating medical wastewater containing heavy metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605867.7U CN220951470U (en) | 2023-09-25 | 2023-09-25 | Equipment for treating medical wastewater containing heavy metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220951470U true CN220951470U (en) | 2024-05-14 |
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ID=91024830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322605867.7U Active CN220951470U (en) | 2023-09-25 | 2023-09-25 | Equipment for treating medical wastewater containing heavy metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220951470U (en) |
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2023
- 2023-09-25 CN CN202322605867.7U patent/CN220951470U/en active Active
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