CN219950774U - Medical sewage treatment device - Google Patents
Medical sewage treatment device Download PDFInfo
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- CN219950774U CN219950774U CN202321353118.3U CN202321353118U CN219950774U CN 219950774 U CN219950774 U CN 219950774U CN 202321353118 U CN202321353118 U CN 202321353118U CN 219950774 U CN219950774 U CN 219950774U
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- 238000011282 treatment Methods 0.000 title claims abstract description 180
- 239000010865 sewage Substances 0.000 title claims abstract description 105
- 239000010802 sludge Substances 0.000 claims abstract description 132
- 238000006243 chemical reaction Methods 0.000 claims abstract description 101
- 230000003647 oxidation Effects 0.000 claims abstract description 93
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 93
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 64
- 239000002351 wastewater Substances 0.000 claims abstract description 56
- 239000002912 waste gas Substances 0.000 claims abstract description 45
- 238000000746 purification Methods 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims description 103
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 78
- 239000000945 filler Substances 0.000 claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 238000005406 washing Methods 0.000 claims description 56
- 238000001179 sorption measurement Methods 0.000 claims description 34
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 32
- 239000000460 chlorine Substances 0.000 claims description 32
- 229910052801 chlorine Inorganic materials 0.000 claims description 32
- 238000000108 ultra-filtration Methods 0.000 claims description 30
- 238000005189 flocculation Methods 0.000 claims description 25
- 230000016615 flocculation Effects 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 20
- 238000004062 sedimentation Methods 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- 238000005276 aerator Methods 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000033116 oxidation-reduction process Effects 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 22
- 230000001276 controlling effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 6
- 208000005156 Dehydration Diseases 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000009270 solid waste treatment Methods 0.000 description 5
- 238000004065 wastewater treatment Methods 0.000 description 5
- 239000002906 medical waste Substances 0.000 description 4
- 238000005842 biochemical reaction Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000032420 Latent Infection Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a medical sewage treatment device, and belongs to the field of sewage treatment equipment. The device comprises a sewage collection unit, an impact-resistant pretreatment unit, an organic film biological reaction unit and a wastewater advanced oxidation disinfection unit which are sequentially connected, wherein the sewage collection unit, the impact-resistant pretreatment unit, the organic film biological reaction unit and the wastewater advanced oxidation disinfection unit are also respectively connected with a waste gas collection and purification unit, and the impact-resistant pretreatment unit and the organic film biological reaction unit are also respectively connected with a sludge collection and reduction treatment unit. The utility model carries out comprehensive treatment on the medical sewage, the sludge and the waste gas to form a complete treatment scheme, and simultaneously adopts an integrated structure, so that the medical sewage treatment device is beautiful, occupies small area and can well complete comprehensive treatment on the sewage, the sludge and the waste gas.
Description
Technical Field
The utility model relates to a medical sewage treatment device, and belongs to the field of sewage treatment equipment.
Background
The medical sewage is mainly sewage discharged from medical rooms, laboratory, ward, operating room and the like of hospitals, and the sewage sources and components are very complex. The medical sewage contains a large amount of pathogenic bacteria, viruses and chemical agents, and has the characteristics of space pollution, acute infection and latent infection. Therefore, medical sewage needs to be specially treated before being discharged.
Prior art concerning medical sewage treatment such as: CN115974345a discloses a hospital sewage treatment system based on a biological contact oxidation method, the hospital sewage treatment system comprises a biological contact oxidation treatment device, a water quality monitoring device and an automatic control device, the biological contact oxidation treatment device comprises a front-end adjusting device, a biological film oxidation device and a rear-end treatment device, a water inlet of the front-end adjusting device is communicated with a water outlet of a sewage temporary storage tank, a water outlet of the front-end adjusting device is communicated with a water inlet of the biological film oxidation device, and a water inlet of the rear-end treatment device is communicated with a water outlet of the biological film oxidation device. CN115784384a discloses a medical sewage treatment device and method, comprising a treatment tank, wherein the bottom of the treatment tank is provided with a water inlet, and the upper part of the treatment tank is provided with a water outlet and a dosing pipe for adding persulfate, and the dosing pipe extends downwards to the upper part of the water inlet; the treatment tank comprises a treatment tank body, wherein an electrode fixing frame is arranged in an inner cavity of the treatment tank body, a plurality of vertical cathode plates and a plurality of vertical anode plates are arranged in the electrode fixing frame, the cathode plates and the anode plates are alternately arranged, a distance is reserved between the adjacent cathode plates and the anode plates, the cathode plates and the anode plates are iron plates, the cathode plates and the anode plates are respectively connected with a power line, and the power lines extend out of the treatment tank body. CN115676939a discloses a method for treating medical wastewater, which comprises the following steps: s1: injecting medical wastewater into a storage tank, and stirring the medical wastewater by steam, wherein the pressure of the steam is 0.3-0.5 MPa, and the temperature is 150-200 ℃; s2: spraying the medical wastewater solution into a high-temperature inlet of combustion equipment to evaporate, so as to generate dried solid waste powder; s3: the dried solid waste powder enters a combustion part of combustion equipment to be combusted, and the generated flue gas is discharged after being treated.
However, most of the existing medical sewage treatment apparatuses consider only a part of sewage treatment, and do not form a system-complete treatment scheme for medical sewage treatment.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a medical sewage treatment device. The integrated device is adopted, so that the medical sewage treatment device is attractive in appearance, small in occupied area and capable of well completing comprehensive treatment of sewage, sludge and waste gas.
Description of the terminology:
MBR membrane bioreactor: membrane Bio-Reactor, MBR, is a novel wastewater treatment system organically combining Membrane separation technology and biological treatment technology. The membrane component is used for replacing a traditional biological treatment technology end secondary sedimentation tank, high activated sludge concentration is kept in a biological reactor, and biological treatment organic load is improved, so that the occupied area of sewage treatment facilities is reduced, and the residual sludge amount is reduced by keeping low sludge load.
The technical scheme of the utility model is as follows:
the utility model provides a medical sewage treatment device, includes sewage collection unit, the pretreatment unit that shocks resistance, organic film biological reaction unit and waste water advanced oxidation disinfection unit that connects in order, sewage collection unit, the pretreatment unit that shocks resistance, organic film biological reaction unit and waste water advanced oxidation disinfection unit still be connected with waste gas collection and purification unit respectively, pretreatment unit and organic film biological reaction unit that shocks resistance still be connected with mud collection and decrement treatment unit respectively.
According to the utility model, preferably, the sewage collection unit comprises a water collection tank, the water collection tank is connected with the medical sewage inlet, the water collection tank is connected with the impact-resistant pretreatment unit through a pretreatment lifting pump, and the water collection tank is also connected with the waste gas collection and purification unit.
According to the utility model, preferably, in the sewage collecting unit, the water collecting tank is further provided with a first liquid level controller for controlling the water inlet liquid level; preferably, a water quantity controller is further arranged between the pretreatment lift pump and the impact-resistant pretreatment unit and used for controlling the water quantity entering the impact-resistant pretreatment unit; further preferably, the water collecting tank is further connected with a first water inlet monitor through a first monitoring pump, and is used for monitoring the water quality condition in the water collecting tank.
According to the present utility model, preferably, the impact-resistant pretreatment unit includes: the device comprises an impact-resistant pretreatment unit shell, wherein a homogenizing regulating tank, a flocculation tank, a sedimentation tank and a collecting tank are sequentially arranged in the impact-resistant pretreatment unit shell, a mixing stirrer and a flocculation stirrer are respectively arranged in the homogenizing regulating tank and the flocculation tank, a pretreatment filler unit is arranged at the upper part of the sedimentation tank, a sludge collecting bucket is arranged at the bottom of the sedimentation tank, the sludge collecting bucket is connected with a first sludge pump, and the collecting tank is connected with a biochemical lifting pump; the homogenizing adjusting tank is connected with the pretreatment lifting pump, so that medical sewage collected by the sewage collecting unit enters the homogenizing adjusting tank for coagulation treatment; the biochemical lifting pump is connected with the organic film biological reaction unit and used for carrying out biochemical treatment on the pretreated medical sewage; the first sludge pump is connected with a sludge collecting and reducing treatment unit for treating sludge. The anti-impact pretreatment unit shell is connected with the waste gas collecting and purifying unit and is used for collecting and purifying the waste gas generated in the anti-impact pretreatment unit.
According to the utility model, preferably, the pretreatment packing unit comprises a supporting frame, and the supporting frame is provided with packing; further preferably, the filler is honeycomb filler or inclined tube filler; preferably, the pretreatment filler unit is further provided with a water collecting weir, and the water collecting weir is communicated with the collecting tank; preferably, the homogenizing adjusting tank and the flocculation tank and the sedimentation tank are communicated through a water channel; a second liquid level controller is arranged above the collecting tank and is used for controlling the water level; preferably, the mixing stirrer is a blade stirrer, and the flocculation stirrer is a frame stirrer; the anti-impact pretreatment unit shell is arranged in an anti-impact pretreatment unit box body which is of a container type structure; preferably, the flocculation tank is also connected with a polyacrylamide flocculant feeding pump and a polyaluminium chloride flocculant feeding pump, and is used for adding flocculant into the flocculation tank.
According to the utility model, preferably, the organic membrane biological reaction unit comprises an organic membrane biological reaction unit shell, a biological membrane filler unit and an MBR (membrane biological reactor) membrane reaction unit are arranged in the organic membrane biological reaction unit shell, the biological membrane filler unit is communicated with the MBR membrane reaction unit through a pipeline, the biological membrane filler unit is provided with an organic membrane biological reaction filler bracket, the organic membrane biological reaction filler bracket is provided with a fiber biological membrane filler, the MBR membrane reaction unit is provided with an MBR membrane reactor, biological membrane aerators are arranged at the bottom of the organic membrane biological reaction unit shell and are uniformly distributed below the fiber biological membrane filler and below the MBR membrane reactor, and the biological membrane aerators are connected with a first fan through a pipeline; and the MBR membrane reaction unit is provided with a second sludge pump and is connected with the sludge collection and reduction treatment unit through a pipeline. The second sludge pump is a submersible pump. And the sludge of the MBR membrane reaction unit is conveyed to a sludge collection and reduction treatment unit for treatment by arranging a second sludge pump. The organic film biological reaction unit shell is connected with the waste gas collecting and purifying unit, and the waste gas generated in the process of treating the medical sewage by the organic film biological reaction unit is transmitted to the waste gas collecting and purifying unit for centralized treatment. The MBR membrane reaction unit is connected with the wastewater advanced oxidation disinfection unit through the advanced oxidation lift pump, and medical wastewater treated by the organic membrane biological reaction unit is conveyed to the wastewater advanced oxidation disinfection unit through the advanced oxidation lift pump for further oxidation treatment.
According to the utility model, preferably, the MBR membrane reaction unit is further provided with a reflux pump and is communicated with the biological membrane filling unit through a pipeline, and the reflux pump is a submersible pump. And (3) circulating the sewage of the MBR membrane reaction unit to the biological membrane filler unit by arranging a reflux pump, and performing biological membrane filler circulation treatment on medical sewage. Preferably, the biofilm packing unit is provided with an oxidation-reduction potential monitor and a dissolved oxygen monitor which are respectively used for monitoring the oxidation-reduction potential and the dissolved oxygen in the organic film biological reaction unit. Preferably, the MBR membrane reaction unit is further provided with a third liquid level controller for controlling the liquid level in the organic membrane biological reaction unit. Preferably, the organic film biological reaction unit shell and the first fan are arranged in an organic film biological reaction unit box body, and the organic film biological reaction unit box body is of a container type structure. The organic film biological reaction unit shell and the first fan are arranged in the organic film biological reaction unit box body, so that centralization and attractive appearance are facilitated.
According to the utility model, preferably, the wastewater deep oxidation disinfection unit comprises a wastewater deep oxidation disinfection unit shell, wherein the wastewater deep oxidation disinfection unit shell comprises an ozone oxidation unit, an ultrafiltration unit and an active chlorine treatment unit which are sequentially connected through a pipeline, the ozone oxidation unit comprises a deep oxidation filler supporting plate provided with deep oxidation fillers, a deep oxidation aerator is arranged below the ozone oxidation unit, and the deep oxidation aerator is connected with an ozone preparation device; the ultrafiltration unit is provided with a disinfection lifting pump which is connected with the ultrafiltration device; the active chlorine treatment unit is respectively connected with the ultrafiltration device and the active chlorine preparation device. The active chlorine treatment unit is connected with a discharge pump, and medical wastewater is discharged through the discharge pump after advanced oxidation disinfection treatment. The waste water advanced oxidation disinfection unit shell also connects the waste gas collection and purification unit for collect the waste gas that medical waste water advanced oxidation disinfection in-process produced and carry out purification treatment.
According to the utility model, preferably, the disinfection lift pump is a submersible pump and is arranged in the ultrafiltration unit. The active chlorine treatment unit is also connected with a water outlet monitoring device through a second monitoring pump. The water quality of the effluent is monitored by the effluent monitoring device in real time, so that the emission standard is ensured to be reached. The ultrafiltration unit and the active chlorine treatment unit are provided with a fourth liquid level controller for controlling the water level condition. The ozone preparation device, the ultrafiltration device and the active chlorine preparation device are all arranged outside the wastewater deep oxidation disinfection unit shell; the wastewater deep oxidation disinfection unit shell, the ozone preparation device, the ultrafiltration device and the active chlorine preparation device are arranged in a wastewater deep oxidation disinfection unit box body with a container type structure.
According to the utility model, preferably, the sludge collecting and reducing treatment unit comprises a sludge collecting and reducing treatment unit box body, a sludge concentration tank is arranged in the sludge collecting and reducing treatment unit box body, a sludge hopper is arranged below the sludge concentration tank, and the sludge hopper is connected with the laminated spiral sludge dewatering machine through a sludge feeding screw pump. The sludge collection and reduction treatment unit box body is also connected with the waste gas collection and purification unit, and waste gas generated in the sludge collection and reduction treatment process is transmitted to the waste gas collection and purification unit for centralized treatment. The sludge is subjected to concentrated dehydration and drying treatment in the laminated spiral sludge dehydrator, the medical sludge is reduced, and the treated dry sludge is conveyed to a place with solid waste treatment conditions for concentrated treatment.
According to the present utility model, it is preferable that the sludge concentration tank is provided with a fifth liquid level controller for controlling the liquid level in the sludge concentration tank. The sludge collecting and reducing treatment unit box body is of a container type structure. The sludge collecting and reducing treatment unit box body is adopted to concentrate and hold each sludge treatment component, so that the occupied space is saved, and the appearance is attractive.
According to the utility model, preferably, the waste gas collecting and purifying unit comprises an alkali liquor washing tower, an acid liquor washing tower, an activated carbon adsorption tower, a second fan and an exhaust chimney which are sequentially connected along a gas path; the washing tower comprises a washing tower body, wherein the washing tower body is provided with a washing tower air inlet and a washing tower air outlet, the bottom of the washing tower body is provided with a storage tank, the storage tank is provided with a spray pump and is connected with spray pipes, the washing tower body is provided with more than two tower plates, each tower plate is provided with washing filler, and the spray pipes are distributed above each tower plate; the activated carbon adsorption tower comprises an activated carbon adsorption tower body, wherein the activated carbon adsorption tower body is provided with an activated carbon adsorption tower air inlet, an activated carbon adsorption tower air outlet and activated carbon fillers. The second fan is a negative pressure fan and is respectively connected with the air outlet of the active carbon adsorption tower and the air inlet of the exhaust chimney.
According to the utility model, preferably, the number of the tower plates of the alkali liquor washing tower and the acid liquor washing tower is 3-10, and an ultraviolet lamp sterilization device is arranged between the acid liquor washing tower and the active carbon adsorption tower; the active carbon adsorption tower body in vertically be provided with the filler support frame, the active carbon filler set up on the filler support frame.
When the device is used, medical sewage is collected through the sewage collecting unit, then enters the impact-resistant pretreatment unit for pretreatment, the pretreated medical sewage enters the organic film biological reaction unit for biochemical treatment, then enters the wastewater deep oxidation disinfection unit for deep oxidation and disinfection treatment, and the treated wastewater is directly discharged after reaching the standard; waste gas generated in the medical sewage treatment process is concentrated and enters into the waste gas collecting and purifying unit for purification treatment, the purified waste gas is directly discharged after reaching standards, sludge generated in the medical sewage treatment process is concentrated and collected by the impact-resistant pretreatment unit and the organic membrane biological reaction unit, concentrated dehydration and drying treatment is carried out by the sludge collecting and reducing treatment unit, the reduction treatment of medical sludge is realized, and the treated dry sludge is conveyed to a place with solid waste treatment conditions for concentrated treatment.
The utility model is not specifically described, and is in accordance with the prior art in the field of sewage treatment.
The beneficial effects of the utility model are as follows:
1. the utility model is provided with a sewage collecting unit, an impact-resistant pretreatment unit, an organic film biological reaction unit, a wastewater advanced oxidation disinfection unit, an exhaust gas collecting and purifying unit and a sludge collecting and reducing treatment unit, and carries out comprehensive treatment on the medical sewage to form a complete treatment scheme, and meanwhile, an integrated structure is adopted, so that the medical sewage treatment device is attractive in appearance, occupies a small area and can well complete comprehensive treatment on the sewage, the sludge and the exhaust gas.
2. The impact-resistant pretreatment unit has reasonable structural design, and can carry out treatments such as tempering, quantity adjustment, coagulation, flocculation, high-efficiency sedimentation and the like on the medical sewage, so that the medical sewage entering the biochemical reaction section can be homogenized and homogenized. The flocculation tank is arranged, so that the medical sewage can be chemically conditioned, and the medical sewage has high pollutant impact resistance.
3. The organic film biological reaction unit is mainly used for removing COD, denitrification, dephosphorization, prefiltering and the like from medical sewage, so that most of common pollutants can be removed from the medical sewage; meanwhile, the MBR membrane bioreactor is combined with the fiber biological membrane filler, so that the pollution resistance is extremely high, an activated sludge method and a biological membrane method are organically combined, and larger treatment capacity and treatment effect are realized through smaller energy consumption and equipment size.
4. The advanced oxidation disinfection unit for wastewater adopts a mode of combining an ultrafiltration device, ozone oxidation and active chlorine disinfection, so that bacterial groups in water are removed, organic matters which cannot be degraded in a biochemical section are also removed, and the treatment effect is excellent. The active chlorine disinfection treatment is adopted before the medical sewage is discharged, and the active chlorine can exist in the wastewater for a long time, so that the continuous disinfection of the active chlorine is realized.
5. The sludge collecting and reducing treatment unit has simple equipment, and can complete the collection and reducing treatment of medical sewage without a plurality of equipment. The laminated spiral sludge dehydrator is adopted to intensively treat the sludge, so that the occupied area is small, and the sludge dehydration treatment effect is good.
6. The waste gas collecting and purifying unit adopts a mode of combining alkali liquor washing, acid liquor washing and activated carbon adsorption, so that not only can inorganic components with acidity and alkalinity in waste gas be removed, but also organic peculiar smell components can be adsorbed and removed, and the waste gas generated in the medical waste water treatment process is ensured to meet the emission requirement.
Drawings
FIG. 1 is a schematic diagram of the main structure of the sewage collection unit of the present utility model.
Fig. 2 is a schematic main structure of the impact-resistant pretreatment unit of the present utility model.
FIG. 3 is a schematic diagram of the main structure of the organic film bioreactor unit of the present utility model.
FIG. 4 is a schematic diagram of the main structure of the advanced wastewater treatment unit according to the present utility model.
FIG. 5 is a schematic diagram showing the main structure of the sludge collecting and reducing treatment unit according to the present utility model.
FIG. 6-1 is a schematic diagram showing the main structure of the exhaust gas collecting and purifying unit according to the present utility model.
FIG. 6-2 is a schematic diagram showing the main structure of an acid washing tower and an alkali washing tower in the exhaust gas collecting and purifying unit according to the present utility model.
Fig. 6-3 are schematic main body structures of the activated carbon adsorption tower in the exhaust gas collecting and purifying unit of the present utility model.
FIG. 7 is a schematic diagram of the main structure of the medical sewage treatment apparatus of the present utility model.
Wherein: 1. a sewage collection unit, 2, an impact-resistant pretreatment unit, 3, an organic film biological reaction unit, 4, a wastewater advanced oxidation disinfection unit, 5, a sludge collection and reduction treatment unit, 6, an exhaust gas collection and purification unit, 101, a water collecting tank, 102, a pretreatment lift pump, 103, a first monitoring pump, 104, a first liquid level controller, 105, a first water inlet monitor, 106, a water quantity controller, 201, a homogenizing adjustment tank, 202, a flocculation tank, 203, a sedimentation tank, 204, a collection tank, 205, a mixing stirrer, 206, a flocculation stirrer, 207, a pretreatment filler unit, 208, a sludge collecting tank, 209, a water channel, 210, a second liquid level controller, 211, a biochemical lift pump, 212, a first sludge pump, 213, a pretreatment unit housing, 214, an impact-resistant pretreatment unit housing, 301, an organic film biological reaction unit housing, 302, an organic film biological reaction filler bracket, 303, fibrous biofilm packing, 304, MBR membrane reactor, 305, biofilm aerator, 306, first fan, 307, reflux pump, 308, second sludge pump, 309, oxidation reduction potential monitor, 310, dissolved oxygen monitor, 311, third liquid level controller, 312, deep oxidation lift pump, 313, organic membrane biological reaction unit box, 401, wastewater deep oxidation disinfection unit housing, 402, deep oxidation packing support plate, 403, deep oxidation packing, 404, deep oxidation aerator, 405, ozone preparation device, 406, disinfection lift pump, 407, ultrafiltration device, 408, active chlorine preparation device, 409, second monitoring pump, 410, effluent monitoring device, 411, discharge pump, 412, fourth liquid level controller, 413, wastewater deep oxidation disinfection unit box, 501, sludge concentration tank, 502, sludge hopper, 503 A mud feeding screw pump, 504, a laminated spiral type sludge dewatering machine, 505, a fifth liquid level controller, 506, a sludge collecting and reducing treatment unit box body, 601, an alkali liquor washing tower, 602, an acid liquor washing tower, 603, an activated carbon adsorption tower, 604, a second fan, 605, an exhaust chimney, 606, a washing tower body, 607, a washing tower air inlet, 608, a washing tower air outlet, 609, a storage tank, 610, a spray pump, 611, a washing filler, 612, a spray pipe, 613, an activated carbon adsorption tower body, 614, an activated carbon filler, 615, an activated carbon adsorption tower air inlet, 616, an activated carbon adsorption tower air outlet, 617 and an ultraviolet lamp sterilizing device.
Detailed Description
The utility model will now be further illustrated by, but is not limited to, the following specific examples in connection with the accompanying drawings.
The components and equipment used in the examples, unless otherwise specified, were conventional equipment and commercially available. For example: the ultrafiltration device, the active chlorine preparation device, the ozone preparation device, the water outlet monitoring device, the mud inlet screw pump, the lamination spiral sludge dewatering machine and the like can all adopt mature equipment in the prior art.
Examples
As shown in fig. 7, a medical sewage treatment device comprises a sewage collection unit 1, an impact-resistant pretreatment unit 2, an organic film biological reaction unit 3 and a wastewater deep oxidation disinfection unit 4 which are sequentially connected, wherein the sewage collection unit 1, the impact-resistant pretreatment unit 2, the organic film biological reaction unit 3 and the wastewater deep oxidation disinfection unit 4 are also respectively connected with a waste gas collection and purification unit 6, and the impact-resistant pretreatment unit 2 and the organic film biological reaction unit 3 are also respectively connected with a sludge collection and reduction treatment unit 5.
As shown in fig. 1, the sewage collection unit 1 in this embodiment includes a water collection tank 101, the water collection tank 101 is connected to a medical sewage inlet, the water collection tank 101 is connected to the impact-resistant pretreatment unit 2 through a pretreatment lift pump 102, and the water collection tank 101 is also connected to the waste gas collection and purification unit 6.
In the sewage collection unit 1, a preferred embodiment is that the water collection tank 101 is further provided with a first liquid level controller 104 for controlling the water inlet liquid level; a water quantity controller 106 is also arranged between the pretreatment lift pump 102 and the impact-resistant pretreatment unit 2 and is used for controlling the water quantity entering the impact-resistant pretreatment unit 2; the water collecting tank 101 is also connected with a first water inlet monitor 105 through a first monitoring pump 103, and is used for monitoring the water quality condition in the water collecting tank 101.
As shown in fig. 2, the impact-resistant pretreatment unit 2 described in the present embodiment includes: an impact-resistant pretreatment unit housing 213, wherein a homogenizing adjusting tank 201, a flocculation tank 202, a sedimentation tank 203 and a collecting tank 204 are sequentially arranged in the impact-resistant pretreatment unit housing 213, a mixing stirrer 205 and a flocculation stirrer 206 are respectively arranged in the homogenizing adjusting tank 201 and the flocculation tank 202, a pretreatment filling unit 207 is arranged at the upper part of the sedimentation tank 203, a sludge hopper 208 is arranged at the bottom of the sedimentation tank 203, the sludge hopper 208 is connected with a first sludge pump 212, and the collecting tank 204 is connected with a biochemical lifting pump 211; the homogenizing and adjusting tank 201 is connected with the pretreatment lifting pump 102, so that medical sewage collected by the sewage collecting unit enters the homogenizing and adjusting tank 201 for coagulation treatment; the biochemical lifting pump 211 is connected with the organic film biological reaction unit and is used for carrying out biochemical treatment on the pretreated medical sewage; the first sludge pump 212 is connected to the sludge collection and reduction treatment unit 5, and processes the sludge.
In the impact-resistant pretreatment unit 2, a preferred embodiment is that the pretreatment packing unit 207 includes a support frame, and the support frame is provided with packing; the filler is honeycomb filler or inclined tube filler; the pretreatment packing unit 207 is also provided with a water collecting weir which is communicated with the collecting tank 204; the homogenizing adjusting tank 201 and the flocculation tank 202 and the sedimentation tank 203 are communicated through a water channel 209; a second liquid level controller 210 is also arranged above the collection tank 204 and is used for controlling the water level; the mixing stirrer 205 is a blade stirrer, and the flocculation stirrer 206 is a frame stirrer; the anti-impact pretreatment unit shell 213 is arranged in the anti-impact pretreatment unit box 214, and the anti-impact pretreatment unit box 214 is of a container type structure; the impact-resistant pretreatment unit housing 213 is connected with the exhaust gas collecting and purifying unit 6, and is used for collecting and purifying the exhaust gas generated in the impact-resistant pretreatment unit 2; the flocculation tank 202 is also connected with a polyacrylamide flocculant feed pump and a polyaluminium chloride flocculant feed pump, and is used for adding flocculant into the flocculation tank.
As shown in fig. 3, the organic membrane biological reaction unit 3 in this embodiment includes an organic membrane biological reaction unit housing 301, a biological membrane filler unit and an MBR membrane reaction unit are disposed in the organic membrane biological reaction unit housing 301, the biological membrane filler unit is communicated with the MBR membrane reaction unit through a pipeline, the biological membrane filler unit is provided with an organic membrane biological reaction filler support 302, a fiber biological membrane filler 303 is disposed on the organic membrane biological reaction filler support 302, the MBR membrane reaction unit is provided with an MBR membrane reactor 304, a biological membrane aerator 305 is disposed at the bottom of the organic membrane biological reaction unit housing 301 and uniformly distributed below the fiber biological membrane filler 303 and below the MBR membrane reactor 304, and the biological membrane aerator 305 is connected with a first fan 306 through a pipeline; the MBR membrane reaction unit is provided with a second sludge pump 308 and is connected with the sludge collecting and reducing treatment unit 5 through a pipeline. The second sludge pump 308 is a submersible pump. By providing the second sludge pump 308, the sludge of the MBR membrane reaction unit is transferred to the sludge collection and reduction treatment unit 5 for treatment. The organic film biological reaction unit shell 301 is connected with an exhaust gas collecting and purifying unit, and the exhaust gas generated in the process of treating the medical sewage by the organic film biological reaction unit 3 is transmitted to the exhaust gas collecting and purifying unit 6 for centralized treatment. The MBR membrane reaction unit is connected with the wastewater deep oxidation disinfection unit through a deep oxidation lift pump 312, and medical wastewater treated by the organic membrane biological reaction unit 3 is conveyed to the wastewater deep oxidation disinfection unit 4 through the deep oxidation lift pump 312 for further oxidation treatment.
In the organic membrane bioreactor unit 3, a preferred embodiment is that the MBR membrane bioreactor unit is further provided with a reflux pump 307 and is communicated with the biofilm packing unit through a pipeline, and the reflux pump 307 is a submersible pump. By providing the reflux pump 307, the sewage of the MBR membrane reaction unit is circulated to the biofilm packing unit, and the biofilm packing is circulated to treat the medical sewage. The biofilm packing element is provided with an oxidation-reduction potential monitor 309 and a dissolved oxygen monitor 310 which are respectively used for monitoring the oxidation-reduction potential and the dissolved oxygen in the organic film biological reaction unit 3. Preferably, the MBR membrane reaction unit is further provided with a third liquid level controller 311 for controlling the liquid level in the organic membrane biological reaction unit 3. The organic film biological reaction unit housing 301 and the first fan 306 are arranged in an organic film biological reaction unit box 313, and the organic film biological reaction unit box 313 is of a container type structure. Placing the organic film bio-reaction unit housing 301 and the first fan 306 in the organic film bio-reaction unit housing 313 is more advantageous for centralization and aesthetic appearance.
As shown in fig. 4, the wastewater deep oxidation disinfection unit 4 in this embodiment includes a wastewater deep oxidation disinfection unit housing 401, where the wastewater deep oxidation disinfection unit housing 401 includes an ozone oxidation unit, an ultrafiltration unit and an active chlorine treatment unit sequentially connected by a pipeline, the ozone oxidation unit includes a deep oxidation filler support plate 402 provided with a deep oxidation filler 403, a deep oxidation aerator 404 is provided below the ozone oxidation unit, and the deep oxidation aerator 404 is connected with an ozone preparation device 405; the ultrafiltration unit is provided with a disinfection lifting pump 406, and the disinfection lifting pump 406 is connected with an ultrafiltration device 407; the active chlorine treatment unit is connected with the ultrafiltration device 407 and the active chlorine preparation device 408 respectively. The active chlorine treatment unit is connected with a discharge pump 411, and medical wastewater is discharged through the discharge pump 411 after advanced oxidation disinfection treatment. The waste water deep oxidation disinfection unit shell 401 is also connected with a waste gas collecting and purifying unit 6, and is used for collecting and purifying waste gas generated in the medical waste water deep oxidation disinfection process.
In the advanced wastewater treatment unit 6, a preferred embodiment is that the disinfection lift pump 406 is a submersible pump and is placed in the ultrafiltration unit. The active chlorine treatment unit is also connected to a water outlet monitoring device 410 via a second monitoring pump 409. The effluent quality is monitored by the effluent monitoring device 410 from time to time, so as to ensure that the emission standard is met. The ultrafiltration unit and the active chlorine treatment unit are provided with a fourth liquid level controller 412 for controlling the water level. The ozone preparation device 405, the ultrafiltration device 407 and the active chlorine preparation device 408 are all arranged outside the wastewater deep oxidation disinfection unit shell 401; the wastewater deep oxidation disinfection unit shell 401, the ozone preparation device 405, the ultrafiltration device 407 and the active chlorine preparation device 408 are arranged in the wastewater deep oxidation disinfection unit box 413 with a container type structure.
As shown in fig. 5, the sludge collecting and reducing treatment unit 5 in this embodiment includes a sludge collecting and reducing treatment unit box 506, a sludge concentrating tank 501 is disposed in the sludge collecting and reducing treatment unit box 506, a sludge hopper 502 is disposed below the sludge concentrating tank 501, and the sludge hopper 502 is connected with a laminated spiral sludge dewatering machine 504 through a sludge feeding screw pump 503. The sludge collection and reduction treatment unit box 506 is also connected with an exhaust gas collection and purification unit, and the exhaust gas generated in the sludge collection and reduction treatment process is transmitted to the exhaust gas collection and purification unit 6 for centralized treatment. The sludge is subjected to concentrated dewatering and drying treatment in the laminated spiral sludge dehydrator 504, medical sludge is reduced, and the treated dry sludge is transported to a place with solid waste treatment conditions for concentrated treatment.
In a preferred embodiment of the sludge collection and reduction treatment unit 5, the sludge concentration tank 501 is provided with a fifth liquid level controller 505 for controlling the liquid level in the sludge concentration tank 501. The sludge collection and reduction treatment unit box 506 is of a container type structure. The sludge collecting and reducing treatment unit box 506 is adopted to concentrate and hold all the sludge treatment components, so that the occupied space is saved, and the appearance is attractive.
As shown in fig. 6-1, 6-2 and 6-3, the exhaust gas collecting and purifying unit 6 according to the present embodiment includes an alkali liquor washing tower 601, an acid liquor washing tower 602, an activated carbon adsorption tower 603, a second fan 604 and an exhaust chimney 605 sequentially connected along a gas path; the structure of the alkali liquor washing tower 601 is the same as that of the acid liquor washing tower 602, the acid liquor washing tower comprises a washing tower body 606, the washing tower body 606 is provided with a washing tower air inlet 607 and a washing tower air outlet 608, the bottom of the washing tower body 606 is provided with a storage tank 609, the storage tank 609 is provided with a spray pump 610 and is connected with a spray pipe 612, the washing tower body 606 is provided with more than two tower plates, each tower plate is provided with a washing filler 611, and the spray pipe 612 is distributed above each tower plate; the activated carbon adsorption tower 603 comprises an activated carbon adsorption tower body 613, and the activated carbon adsorption tower body 613 is provided with an activated carbon adsorption tower air inlet 615, an activated carbon adsorption tower air outlet 616 and an activated carbon filler 614. The second fan 604 is a negative pressure fan and is respectively connected with the air outlet 616 of the activated carbon adsorption tower and the air inlet of the exhaust chimney 605.
In the waste gas collecting and purifying unit 6, in a preferred embodiment, the number of the tower plates of the alkali liquor washing tower 601 and the acid liquor washing tower 602 is 3-10, and an ultraviolet lamp sterilization device 617 is arranged between the acid liquor washing tower 602 and the activated carbon adsorption tower 603; a filler supporting frame is vertically arranged in the activated carbon adsorption tower 613, and the activated carbon filler 614 is arranged on the filler supporting frame.
When the utility model is used, medical sewage is collected by the sewage collecting unit 1, then enters the impact-resistant pretreatment unit 2 for pretreatment, the pretreated medical sewage enters the organic film biological reaction unit 3 for biochemical treatment, then enters the wastewater deep oxidation disinfection unit 4 for deep oxidation and disinfection treatment, and the treated wastewater is directly discharged after reaching the standard; waste gas generated in the medical sewage treatment process is intensively fed into the waste gas collecting and purifying unit 6 for purification treatment through the sewage collecting unit 1, the impact-resistant pretreatment unit 2, the organic membrane biological reaction unit 3 and the waste water deep oxidation sterilizing unit 4, the purified waste gas is directly discharged after reaching standards, sludge generated in the medical sewage treatment process is intensively collected into the sludge collecting and reduction treatment unit 5 for concentrated dehydration and drying treatment, the reduction treatment of medical sludge is realized, and the treated dry sludge is conveyed to a place with solid waste treatment conditions for concentrated treatment.
The method comprises the following steps: medical sewage collected from the sewage collecting unit 1 enters the homogenizing and adjusting tank 201 for stirring and coagulation treatment, then enters the flocculation tank 202, is added with a flocculating agent for stirring and flocculation treatment, then enters the sedimentation tank 203 for sedimentation treatment, the medical sewage after sedimentation treatment enters the collecting tank 204 through a water collecting weir, enters the organic film biological reaction unit 3 for biochemical treatment through a biochemical lifting pump 211, and sludge collected by a sludge collecting hopper 208 is transmitted to the sludge collecting and reduction treatment unit 5 for treatment through a first sludge pump 212. The medical sewage is subjected to treatment such as tempering, quantity adjustment, coagulation, flocculation, efficient sedimentation and the like by the impact-resistant pretreatment unit 2, so that the medical sewage entering the biochemical reaction section can be homogenized in uniform quantity, and the treatment load of the biochemical reaction section is reduced.
The medical sewage pretreated by the impact-resistant pretreatment unit 2 is conveyed into a biological membrane filler unit of the organic membrane biological reaction unit shell 301 through a pipeline, under the operation of the first fan 306, the biological membrane aerator 305 performs aeration treatment, the medical sewage is subjected to biochemical treatment on the fiber biological membrane filler 303, and the medical sewage after biochemical treatment is further conveyed to the MBR membrane reaction unit to perform MBR membrane reaction treatment. The reflux pump 307 circulates the sewage of the MBR membrane reaction unit to the biofilm packing unit, and performs biofilm packing circulation treatment of medical sewage. The second sludge pump 308 transfers the sludge of the MBR membrane reaction unit to the sludge collection and reduction treatment unit 5 for treatment. The reduction potential monitor 309 and the dissolved oxygen monitor 310 monitor the oxidation-reduction potential and the dissolved oxygen in the organic film bio-reaction unit 3, respectively, and the third liquid level controller 311 controls the liquid level in the organic film bio-reaction unit 3. The medical sewage treated by the organic film biological reaction unit 3 is conveyed to the advanced waste oxidation and disinfection unit 4 for further oxidation treatment by the advanced oxidation and lifting pump 312. The waste gas generated in the process of treating the medical sewage by the organic film biological reaction unit 3 is transmitted to the waste gas collecting and purifying unit 6 for centralized treatment.
Medical wastewater from the organic membrane biological reaction unit 3 enters an ozone oxidation unit to be subjected to ozone oxidation treatment, then enters an ultrafiltration unit to be subjected to ultrafiltration treatment by an ultrafiltration device 407, and wastewater after ultrafiltration enters an active chlorine treatment unit to be subjected to disinfection treatment by active chlorine. The water level is controlled from time to time by the fourth level controller 412. The effluent quality is monitored by the effluent monitoring device 410 from time to time, so as to ensure that the emission standard is met. After the effluent quality reaches the discharge standard, the effluent is discharged by the discharge pump 411. The waste gas generated in the advanced oxidation and disinfection process of the medical waste water is collected and purified by the waste gas collecting and purifying unit 6.
The sludge slurry collected in the medical wastewater treatment process is intensively conveyed into a sludge concentration tank 501, the sludge is concentrated in a sludge hopper 502, and then is conveyed into a laminated spiral sludge dehydrator 504 through a sludge feeding screw pump 503, so that the concentrated dehydration and drying treatment of the sludge is realized, the reduction treatment of the medical sludge is realized, and the treated dry sludge is conveyed to a place with solid waste treatment conditions for concentrated treatment.
Waste gas generated in the treatment process of medical wastewater intensively enters an alkali liquor washing tower 601, a storage tank 609 of the alkali liquor washing tower 601 is provided with washing alkali liquor, and acid gas in the waste gas is removed through alkali liquor spraying treatment; the waste gas enters an acid liquor washing tower 602 again, a storage tank 609 of the acid liquor washing tower 602 is provided with washing acid liquor, and the acid liquor is introduced for spray treatment to remove alkaline gas in the waste gas; an ultraviolet lamp sterilization device 617 is arranged between the acid liquor washing tower 602 and the activated carbon adsorption tower 603, and ultraviolet sterilization is carried out after acid-base liquor washing; the waste gas enters the activated carbon adsorption tower 613 again, and is adsorbed by the activated carbon filler 614 to remove the organic peculiar smell gas, and the like, further purify the gas, and finally reach the emission standard. Through the second fan 604 and into the exhaust stack 605 to be discharged to the atmosphere.
Claims (10)
1. The medical sewage treatment device is characterized by comprising a sewage collection unit, an impact-resistant pretreatment unit, an organic film biological reaction unit and a wastewater advanced oxidation disinfection unit which are sequentially connected, wherein the sewage collection unit, the impact-resistant pretreatment unit, the organic film biological reaction unit and the wastewater advanced oxidation disinfection unit are also respectively connected with an exhaust gas collection and purification unit, and the impact-resistant pretreatment unit and the organic film biological reaction unit are also respectively connected with a sludge collection and decrement treatment unit.
2. The medical sewage treatment device according to claim 1, wherein the sewage collection unit comprises a water collection tank, the water collection tank is connected with the medical sewage inlet, the water collection tank is connected with the impact-resistant pretreatment unit through a pretreatment lifting pump, and the water collection tank is further connected with the waste gas collection and purification unit.
3. The medical sewage treatment apparatus according to claim 1, wherein the impact-resistant pretreatment unit comprises: the device comprises an impact-resistant pretreatment unit shell, wherein a homogenizing regulating tank, a flocculation tank, a sedimentation tank and a collecting tank are sequentially arranged in the impact-resistant pretreatment unit shell, a mixing stirrer and a flocculation stirrer are respectively arranged in the homogenizing regulating tank and the flocculation tank, a pretreatment filler unit is arranged at the upper part of the sedimentation tank, a sludge collecting bucket is arranged at the bottom of the sedimentation tank, the sludge collecting bucket is connected with a first sludge pump, and the collecting tank is connected with a biochemical lifting pump; the homogenizing adjusting tank is connected with a pretreatment lifting pump, the biochemical lifting pump is connected with an organic film biological reaction unit, the first sludge pump is connected with a sludge collection and reduction treatment unit, and the shell of the impact-resistant pretreatment unit is connected with an exhaust gas collection and purification unit.
4. A medical sewage treatment device according to claim 3, wherein the pretreatment packing unit comprises a support frame, the support frame is provided with packing, and the packing is honeycomb packing or inclined tube packing;
the pretreatment filler unit is also provided with a water collecting weir which is communicated with the collecting tank; the homogenizing regulating tank and the flocculation tank and the sedimentation tank are communicated through a water channel;
the anti-impact pretreatment unit shell is arranged in an anti-impact pretreatment unit box body of a container type structure.
5. The medical sewage treatment device according to claim 1, wherein the organic membrane biological reaction unit comprises an organic membrane biological reaction unit shell, a biological membrane filler unit and an MBR (membrane bioreactor) membrane reaction unit are arranged in the organic membrane biological reaction unit shell, the biological membrane filler unit is communicated with the MBR membrane reaction unit through a pipeline, the biological membrane filler unit is provided with an organic membrane biological reaction filler bracket, and the organic membrane biological reaction filler bracket is provided with fiber biological membrane filler;
the MBR membrane reaction unit is provided with an MBR membrane reactor, the bottom of the organic membrane biological reaction unit shell is provided with a biological membrane aerator which is uniformly distributed below the fiber biological membrane filler and below the MBR membrane reactor, and the biological membrane aerator is connected with a first fan through a pipeline;
the MBR membrane reaction unit is provided with a second sludge pump and is connected with the sludge collection and reduction treatment unit through a pipeline;
the organic membrane biological reaction unit shell is connected with the waste gas collecting and purifying unit, and the MBR membrane reaction unit is connected with the waste water deep oxidation disinfection unit through the deep oxidation lift pump.
6. The medical sewage treatment device according to claim 5, wherein the MBR membrane reaction unit is further provided with a reflux pump and is communicated with the biological membrane filling unit through a pipeline, the biological membrane filling unit is provided with an oxidation-reduction potential monitor and a dissolved oxygen monitor, and the MBR membrane reaction unit is further provided with a third liquid level controller;
the organic film biological reaction unit shell and the first fan are arranged in an organic film biological reaction unit box body with a container type structure.
7. The medical sewage treatment device according to claim 1, wherein the wastewater deep oxidation disinfection unit comprises a wastewater deep oxidation disinfection unit shell, the wastewater deep oxidation disinfection unit shell comprises an ozone oxidation unit, an ultrafiltration unit and an active chlorine treatment unit which are sequentially connected through a pipeline, the ozone oxidation unit comprises a deep oxidation filler supporting plate provided with a deep oxidation filler, a deep oxidation aerator is arranged below the ozone oxidation unit, and the deep oxidation aerator is connected with an ozone preparation device;
the ultrafiltration unit is provided with a disinfection lifting pump which is connected with the ultrafiltration device;
the active chlorine treatment unit is respectively connected with the ultrafiltration device and the active chlorine preparation device;
the active chlorine treatment unit is connected with a discharge pump, and the waste water deep oxidation disinfection unit shell is also connected with a waste gas collecting and purifying unit.
8. The medical sewage treatment device according to claim 7, wherein the active chlorine treatment unit is further connected with the effluent monitoring device through a second monitoring pump, and the ultrafiltration unit and the active chlorine treatment unit are provided with a fourth liquid level controller;
the ozone preparation device, the ultrafiltration device and the active chlorine preparation device are all arranged outside the wastewater deep oxidation disinfection unit shell; the wastewater deep oxidation disinfection unit shell, the ozone preparation device, the ultrafiltration device and the active chlorine preparation device are arranged in a wastewater deep oxidation disinfection unit box body with a container type structure.
9. The medical sewage treatment device according to claim 1, wherein the sludge collecting and reducing treatment unit comprises a sludge collecting and reducing treatment unit box body with a container type structure, a sludge concentration tank is arranged in the sludge collecting and reducing treatment unit box body, a sludge hopper is arranged below the sludge concentration tank, and the sludge hopper is connected with a laminated spiral sludge dehydrator through a sludge feeding screw pump; the sludge collection and reduction treatment unit box body is also connected with the waste gas collection and purification unit.
10. The medical sewage treatment device according to claim 1, wherein the waste gas collecting and purifying unit comprises an alkali liquor washing tower, an acid liquor washing tower, an activated carbon adsorption tower, a second fan and an exhaust chimney which are sequentially connected along the gas path;
the washing tower comprises a washing tower body, wherein the washing tower body is provided with a washing tower air inlet and a washing tower air outlet, the bottom of the washing tower body is provided with a storage tank, the storage tank is provided with a spray pump and is connected with spray pipes, the washing tower body is provided with more than two tower plates, each tower plate is provided with washing filler, and the spray pipes are distributed above each tower plate; the activated carbon adsorption tower comprises an activated carbon adsorption tower body, wherein the activated carbon adsorption tower body is provided with an activated carbon adsorption tower air inlet, an activated carbon adsorption tower air outlet and activated carbon fillers; the second fan is a negative pressure fan and is respectively connected with an air outlet of the activated carbon adsorption tower and an air inlet of the exhaust chimney;
the active carbon adsorption tower body in vertically be provided with the filler support frame, the active carbon filler set up on the filler support frame.
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| CN116444100A (en) * | 2023-05-31 | 2023-07-18 | 苏州根基科技有限公司 | Medical sewage treatment device and method |
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