CN216550042U - Medical sewage treatment system - Google Patents
Medical sewage treatment system Download PDFInfo
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- CN216550042U CN216550042U CN202220018812.9U CN202220018812U CN216550042U CN 216550042 U CN216550042 U CN 216550042U CN 202220018812 U CN202220018812 U CN 202220018812U CN 216550042 U CN216550042 U CN 216550042U
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- Prior art keywords
- tank
- pump
- secondary sedimentation
- switch
- pipeline
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- 239000010865 sewage Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 23
- 239000006004 Quartz sand Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000005273 aeration Methods 0.000 claims description 14
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 239000004155 Chlorine dioxide Substances 0.000 claims description 4
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- 238000013327 media filtration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000032420 Latent Infection Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000003904 radioactive pollution Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a medical sewage treatment system, comprising: a septic tank, a grid canal, an adjusting tank, an anaerobic tank, a biological contact oxidation tank, a secondary sedimentation tank, a disinfection tank, a clean water tank and a multi-medium filtering device; the septic tank is connected with the grid channel, and the grid channel is connected with the regulating tank; the adjusting tank is provided with a lift pump, the lift pump is connected with the anaerobic tank through a pipeline, the anaerobic tank is communicated with the biological contact oxidation tank, the biological contact oxidation tank is communicated with the secondary sedimentation tank, the secondary sedimentation tank is connected with the multi-medium filtering device, the multi-medium filtering device is connected with the disinfection tank, and the disinfection tank is communicated with the clean water tank; a sludge pump is arranged in the secondary sedimentation tank, the sludge pump is connected with the anaerobic tank through a pipeline I, and the secondary sedimentation tank is connected with the sludge concentration tank through a pipeline II; the system is provided with a multi-medium filtering device, so that the turbidity of water is further reduced, and the water quality is purified; so that the treated medical sewage reaches the standard and is discharged.
Description
Technical Field
The utility model relates to the technical field of medical sewage treatment, in particular to a medical sewage treatment system.
Background
The medical sewage generated by hospitals is complex in source and components, contains pathogenic microorganisms, toxic and harmful physicochemical pollutants, radioactive pollution and the like, has the characteristics of space pollution, acute infection, latent infection and the like, can cause serious pollution to water bodies and harm the health of people if the medical sewage is directly discharged into urban sewer pipelines or environmental water bodies without being effectively treated, and the traditional domestic sewage treatment system cannot meet the requirements, so that the treated medical sewage is difficult to reach the discharge standard.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a medical sewage treatment system, which is additionally provided with a multi-medium filtering device on the traditional sewage treatment system, and solves the problem that the traditional domestic sewage treatment equipment is difficult to meet the requirements, so that the treated medical sewage is difficult to reach the discharge standard.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a medical wastewater treatment system comprising: a septic tank, a grid channel, a regulating tank, an anaerobic tank, a biological contact oxidation tank, a secondary sedimentation tank, a disinfection tank, a clean water tank and a multi-medium filtering device; the septic tank is connected with the grid channel, and the grid channel is connected with the regulating tank; the adjusting tank is provided with a lift pump, the lift pump is connected with the anaerobic tank through a pipeline, the anaerobic tank is communicated with the biological contact oxidation tank, the biological contact oxidation tank is communicated with the secondary sedimentation tank, the secondary sedimentation tank is connected with the multi-medium filtering device, the multi-medium filtering device is connected with the disinfection tank, and the disinfection tank is communicated with the clean water tank; an aeration device is arranged in the biological contact oxidation tank and is connected with a rotary fan; the disinfection tank is connected with a chlorine dioxide generator; and a sludge pump is arranged in the secondary sedimentation tank, the sludge pump is connected with the anaerobic tank through a pipeline I, and the secondary sedimentation tank is connected with the sludge concentration tank through a pipeline II.
Preferably, a stainless steel grid with 10mm grid gaps is arranged in the grid ditch.
Preferably, the multi-medium filter device comprises an intermediate water tank, a quartz sand filter and an activated carbon filter; the secondary sedimentation tank is communicated with the intermediate water tank; the middle water tank is connected with a quartz sand filter through a self-priming pump, the quartz sand filter is connected with an activated carbon filter through a first water pump, and the activated carbon filter is connected with the disinfection tank through a second water pump; and the clean water tank is provided with a drain pipe with a valve, and the drain pipe is respectively connected with the quartz sand filter and the activated carbon filter through a pipeline with a water pump III.
Preferably, elastic fillers are arranged in the anaerobic tank and the biological contact oxidation tank through filler brackets; the aeration device comprises an aeration pipeline and a membrane aerator arranged on the aeration pipeline.
Preferably, a first liquid level switch is arranged in the regulating tank; a liquid level switch II is arranged in the middle water tank; a breaker QF1 and an alternating current contactor KM1 are sequentially connected in series on a power inlet wire of the lift pump, the rear end of the breaker QF1 is connected with a switch SB1, the rear end of the SB1 is respectively connected with a switch SB2 and a first liquid level switch, and the switch SB2 and the first liquid level switch are connected in parallel and then connected with a control end of the alternating current contactor KM 1; the power ends of the self-sucking pump, the first water pump and the second water pump are connected in parallel and then sequentially connected with a breaker QF1 and an alternating current contactor KM1 in series, the rear end of the breaker QF1 is connected with a switch SB3, the rear end of the SB3 is respectively connected with a switch SB4 and a second liquid level switch, and the switch SB4 and the second liquid level switch are connected in parallel and then connected with the control end of the alternating current contactor KM 1.
Compared with the prior art, the utility model has the following beneficial effects:
the system is provided with a multi-medium filtering device, and quartz sand and active carbon are used as filtering media, so that the water turbidity is further reduced, and the water quality is purified; the treated medical sewage reaches the standard and is discharged; the regulating reservoir and the middle water reservoir in the system automatically control the liquid level through the liquid level sensor, and the working efficiency of the system is improved.
Drawings
FIG. 1 is a schematic view of a medical sewage treatment system according to the present invention;
FIG. 2 is a schematic diagram of the electrical connections of a medical sewage treatment system of the present invention;
in the figure: the device comprises a septic tank 1, a grid channel 2, a grid 3, a regulating tank 4, an anaerobic tank 5, a biological contact oxidation tank 6, a rotary fan 7, a secondary sedimentation tank 8, an intermediate water tank 9, a quartz sand filter 10, an activated carbon filter 11, a disinfection tank 12, a clean water tank 13, a chlorine dioxide generator 14, a lift pump 15, a first liquid level switch 16, an elastic filler 17, an aeration device 18, a sludge concentration tank 19, a first pipeline 20, a second pipeline 21, a second liquid level switch 22, a sludge pump 23, a self-priming pump 24, a first water pump 25, a second water pump 26, a third water pump 27 and a drain pipe 28.
Detailed Description
The drawings in the embodiments of the utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described as follows:
in one embodiment of the present invention, as shown in fig. 1, a medical sewage treatment system includes: a septic tank 1, a grid canal 2, an adjusting tank 4, an anaerobic tank 5, a biological contact oxidation tank 6, a secondary sedimentation tank 8, a disinfection tank 12, a clean water tank 13 and a multi-medium filtering device; the septic tank 1 is connected with a grid channel 2, and the grid channel 2 is connected with an adjusting tank 4; the adjusting tank 4 is provided with a lifting pump 15, the lifting pump 15 is connected with an anaerobic tank 5 through a pipeline, the anaerobic tank 5 is communicated with a biological contact oxidation tank 6, the biological contact oxidation tank 6 is communicated with a secondary sedimentation tank 8, the secondary sedimentation tank 8 is connected with a multi-medium filtering device, the multi-medium filtering device is connected with a disinfection tank 12, and the disinfection tank 12 is communicated with a clean water tank 13; an aeration device 18 is arranged in the biological contact oxidation tank 6, and the aeration device 18 is connected with a rotary fan 7; the disinfection tank 12 is connected with a chlorine dioxide generator 14; a sludge pump 23 is arranged in the secondary sedimentation tank 8, the sludge pump 23 is connected with the anaerobic tank 5 through a first pipeline 20, and the secondary sedimentation tank 8 is connected with a sludge concentration tank 19 through a second pipeline 21.
In an embodiment of the present invention, the grid ditch 2 is provided with a stainless steel grid 3 with a grid gap of 10 mm. The front end of intaking sets up the grid, and great rubbish in the sewage is got rid of through the grid to waste water, can guarantee the normal operation of water pump, can reduce the water pump wearing and tearing again.
In one embodiment of the present invention, the multi-media filter device comprises an intermediate water tank 9, a quartz sand filter 10, an activated carbon filter 11; the secondary sedimentation tank 8 is communicated with the intermediate water tank 9; the middle water tank 9 is connected with a quartz sand filter 10 through a self-priming pump 24, the quartz sand filter 10 is connected with an activated carbon filter 11 through a first water pump 25, and the activated carbon filter 11 is connected with a disinfection tank 12 through a second water pump 26; a drain pipe 28 with a valve is arranged on the clean water tank 13, and the drain pipe 28 is respectively connected with the quartz sand filter 10 and the activated carbon filter 11 through a pipeline with a water pump III 27; the water is filtered by using quartz sand and activated carbon as filter media, and simultaneously, the water pump III 27 can be started periodically to convey the water in the clean water tank 13 to the quartz sand filter 10 and the activated carbon filter 11 for cleaning.
In a specific embodiment of the utility model, elastic fillers 17 are arranged in the anaerobic tank 5 and the biological contact oxidation tank 6 through filler brackets; the aeration device 18 comprises an aeration pipeline and a membrane aerator arranged on the aeration pipeline.
As shown in fig. 2, in an embodiment of the present invention, a first liquid level switch 16 is disposed in the regulating reservoir 4; a liquid level switch II 22 is arranged in the middle water tank 9; a power supply inlet wire of the lift pump 15 is sequentially connected with a breaker QF1 and an alternating current contactor KM1 in series, the rear end of the breaker QF1 is connected with a switch SB1, the rear end of the SB1 is respectively connected with a switch SB2 and a first liquid level switch 16, the switch SB2 and the first liquid level switch 16 are connected in parallel and then connected with a control end of the alternating current contactor KM 1; the power ends of the self-priming pump 24, the water pump I25 and the water pump II 26 are connected in parallel and then sequentially connected with a breaker QF1 and an alternating current contactor KM1 in series, the rear end of the breaker QF1 is connected with a switch SB3, the rear end of the SB3 is respectively connected with a switch SB4 and a liquid level switch II 22, and the switch SB4 and the liquid level switch II 22 are connected in parallel and then connected with the control end of the alternating current contactor KM 1; in the circuit, the lifting pump 15, the self-sucking pump 24, the first water pump 25 and the second water pump 26 are automatically controlled or manually controlled through liquid level.
When sewage is treated, the septic tank 1 performs primary sedimentation on the sewage, the grid channel 2 separates large-particle impurities and garbage impurities such as garbage bags and toilet paper, the regulating tank 4 regulates and homogenizes the water volume of the sewage, then the sewage is sent into the anaerobic tank 5 through the lift pump 15, heterotrophic bacteria in an anaerobic section hydrolyze suspended pollutants and soluble organic matters in the sewage into organic acid, and macromolecular organic matters are decomposed into micromolecular organic matters; then enters a biological contact oxidation tank 6, the oxygenated sewage is fully contacted with the biological membrane through a rotary fan 7, and organic matters in the sewage are absorbed, digested and removed under the metabolism action of various aerobic microorganisms, so that the sewage is purified; the wastewater automatically flows into a secondary sedimentation tank 8 after being subjected to contact oxidation, a biomembrane is separated and then flows back to an anaerobic tank through a sludge pump 23, and simultaneously sludge at the bottom enters a sludge concentration tank 19 and is transported outside; the effluent of the secondary sedimentation tank 8 enters an intermediate water tank 9, passes through a quartz sand filter 10 and an active carbon filter 11, and is filtered by granular or non-granular quartz sand active carbon with certain thickness under the pressure of a self-priming pump 24, a water pump I25 and a water pump II 26 by using quartz sand and active carbon as filter media, so that suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in the water are effectively intercepted and removed, and the effects of reducing the water turbidity and purifying the water quality are finally achieved; finally enters the disinfection tank 12 for disinfection and flows into the clean water tank 13 for storage.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equivalent replacement or change according to the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (5)
1. A medical wastewater treatment system comprising: a septic tank, a grid channel, a regulating tank, an anaerobic tank, a biological contact oxidation tank, a secondary sedimentation tank, a disinfection tank and a clean water tank; the method is characterized in that: also includes a multi-media filtration device; the septic tank is connected with the grid channel, and the grid channel is connected with the regulating tank; the adjusting tank is provided with a lift pump, the lift pump is connected with the anaerobic tank through a pipeline, the anaerobic tank is communicated with the biological contact oxidation tank, the biological contact oxidation tank is communicated with the secondary sedimentation tank, the secondary sedimentation tank is connected with the multi-medium filtering device, the multi-medium filtering device is connected with the disinfection tank, and the disinfection tank is communicated with the clean water tank; an aeration device is arranged in the biological contact oxidation tank and is connected with a rotary fan; the disinfection tank is connected with a chlorine dioxide generator; and a sludge pump is arranged in the secondary sedimentation tank, the sludge pump is connected with the anaerobic tank through a pipeline I, and the secondary sedimentation tank is connected with the sludge concentration tank through a pipeline II.
2. The medical sewage treatment system of claim 1, wherein: and stainless steel grids with grid gaps of 10mm are arranged in the grid channels.
3. The medical sewage treatment system of claim 1, wherein: the multi-medium filtering device comprises a middle water tank, a quartz sand filter and an activated carbon filter; the secondary sedimentation tank is communicated with the intermediate water tank; the middle water tank is connected with a quartz sand filter through a self-priming pump, the quartz sand filter is connected with an activated carbon filter through a first water pump, and the activated carbon filter is connected with the disinfection tank through a second water pump; and the clean water tank is provided with a drain pipe with a valve, and the drain pipe is respectively connected with the quartz sand filter and the activated carbon filter through a pipeline with a water pump III.
4. The medical sewage treatment system of claim 1, wherein: elastic fillers are arranged in the anaerobic tank and the biological contact oxidation tank through filler brackets; the aeration device comprises an aeration pipeline and a membrane aerator arranged on the aeration pipeline.
5. The medical sewage treatment system according to claim 3, wherein: a first liquid level switch is arranged in the regulating tank; a liquid level switch II is arranged in the middle water tank; a breaker QF1 and an alternating current contactor KM1 are sequentially connected in series on a power inlet wire of the lift pump, the rear end of the breaker QF1 is connected with a switch SB1, the rear end of the SB1 is respectively connected with a switch SB2 and a first liquid level switch, and the switch SB2 and the first liquid level switch are connected in parallel and then connected with a control end of the alternating current contactor KM 1; the power ends of the self-sucking pump, the first water pump and the second water pump are connected in parallel and then sequentially connected with a breaker QF1 and an alternating current contactor KM1 in series, the rear end of the breaker QF1 is connected with a switch SB3, the rear end of the SB3 is respectively connected with a switch SB4 and a second liquid level switch, and the switch SB4 and the second liquid level switch are connected in parallel and then connected with the control end of the alternating current contactor KM 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018812.9U CN216550042U (en) | 2022-01-06 | 2022-01-06 | Medical sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018812.9U CN216550042U (en) | 2022-01-06 | 2022-01-06 | Medical sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216550042U true CN216550042U (en) | 2022-05-17 |
Family
ID=81559882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018812.9U Active CN216550042U (en) | 2022-01-06 | 2022-01-06 | Medical sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216550042U (en) |
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2022
- 2022-01-06 CN CN202220018812.9U patent/CN216550042U/en active Active
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| Date | Code | Title | Description |
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Address after: Rooms 911, 912, and 913, 9th Floor, Science and Technology Incubator Building, No. 36 Jinqiao Road, Dongchuan Industrial Park, Xining City, Qinghai Province, 810000 RMB Patentee after: Qinghai Xinxiang Environmental Technology Co.,Ltd. Address before: 810000 cross PetroChina community, Minhe Road, Kunlun Road, Chengdong District, Xining City, Qinghai Province Patentee before: Qinghai Xinxiang Environmental Treatment Engineering Co.,Ltd. |