CN211921201U - Environment-friendly medical sewage treatment system - Google Patents
Environment-friendly medical sewage treatment system Download PDFInfo
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- CN211921201U CN211921201U CN201922104797.0U CN201922104797U CN211921201U CN 211921201 U CN211921201 U CN 211921201U CN 201922104797 U CN201922104797 U CN 201922104797U CN 211921201 U CN211921201 U CN 211921201U
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Abstract
The utility model discloses an environment-friendly medical sewage treatment system, which mainly comprises a first pretreatment area, a pre-disinfection area, a second pretreatment area, an anaerobic area, an anoxic area, an aerobic area, a filter membrane area and a disinfection area which are arranged in sequence along the sewage flow direction; this system structural design is reasonable, carries out classification to medical sewage and domestic sewage, can disinfect the disinfection to medical sewage's quilt filter simultaneously, avoids arousing secondary pollution.
Description
Technical Field
The utility model relates to a medical sewage treatment field especially relates to an environment-friendly medical sewage treatment system.
Background
The medical sewage is mainly sewage discharged from diagnosis and treatment rooms, laboratory rooms, ward rooms, laundry rooms, X-ray photography rooms, operating rooms and the like of hospitals, and the source and the components of the sewage are very complex. Hospital sewage contains a large amount of pathogenic bacteria, viruses and chemical agents and has the characteristics of space pollution, acute infection and latent infection.
Medical sewage and part of domestic sewage are contained in the sewage discharged by hospitals, the two types of sewage are obviously unsuitable if a conventional sewage treatment mode is adopted, and the treatment mode of completely using the medical sewage is also obviously unsuitable, so that pathogenic bacteria, viruses and chemical agents in the medical sewage are more, and the medical sewage needs to be sterilized and disinfected; the domestic sewage is high in nitrogen and phosphorus content and needs to be removed, so that the two kinds of sewage need targeted classification treatment, and the filtered substances of the medical sewage need to be collected and treated, and because the filtered substances are also infected with bacteria, viruses and the like, secondary pollution can be formed in the collecting process, so that corresponding sterilization treatment needs to be carried out during filtering; such processing systems are currently lacking in the marketplace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, providing a structural design is reasonable, carries out classification to medical sewage and domestic sewage, can disinfect the disinfection by the thing of crossing of medical sewage simultaneously, avoids arousing a secondary pollution's an environment-friendly medical sewage treatment system.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
an environment-friendly medical sewage treatment system mainly comprises a first pretreatment area, a pre-disinfection area, a second pretreatment area, an anaerobic area, an anoxic area, an aerobic area, a filter membrane area and a disinfection area which are sequentially arranged along the sewage flow direction; a first water inlet pipe is arranged at the top of the first pretreatment area, a first grating net is arranged at a lower water outlet of the first water inlet pipe, a first slag discharging pipe is arranged at the bottom of the side wall of the first pretreatment area and communicated with a first sludge collecting area arranged on the outer side wall of the first pretreatment area, a slag outlet of the first grating net is communicated with the first sludge collecting area, and an ultraviolet disinfection lamp is arranged at the top of the first sludge collecting area; a first medicine inlet pipe is arranged at the top of the pre-sterilization area, and a first water outlet pipe is arranged at the bottom of the pre-sterilization area; a second water inlet pipe is arranged at the top of the second pretreatment area, and a second grid net is arranged at a lower water outlet of the second water inlet pipe; the device is characterized in that a residual chlorine detector is arranged in the disinfection area, a second medicine inlet pipe is arranged at the top of the disinfection area, an ozone disinfection device is arranged in the disinfection area, a second water outlet pipe is arranged on the side wall of the filter membrane area, the first water outlet pipe and the second water outlet pipe are communicated with the disinfection area, and a water outlet pipe is arranged at the bottom of the disinfection area.
Preferably, a first stirring device and a first inclined tube are further arranged in the first pretreatment zone.
Preferably, a second stirring device and a second inclined pipe are further arranged in the second pretreatment region, and a second slag discharge pipe arranged at the bottom of the second pretreatment region is communicated with a second sludge collecting region arranged on the outer side wall of the disinfection region.
Preferably, an MBR membrane module is arranged in the filtering membrane region, a first return pipe is arranged at the bottom of the filtering membrane region, and the first return pipe is communicated with the bottom of the anaerobic zone.
Preferably, the first medicine inlet pipe is connected with a first medicine adding barrel arranged at the top of the pre-disinfection area, and the first medicine inlet pipe is further provided with a first medicine adding valve and a first metering pump.
Preferably, the second medicine inlet pipe is connected with a second medicine adding barrel arranged at the top of the disinfection area, and a second medicine adding valve and a second metering pump are further arranged on the second medicine inlet pipe.
Preferably, the ozone disinfection device comprises an ozone air-dispersing rod arranged in the disinfection area, and the air inlet end of the ozone air-dispersing rod is connected with a vacuum pump and an ozone generator which are arranged at the top of the second sludge collection area; the ozone gas dispersing rod comprises a main gas dispersing rod and an auxiliary gas dispersing rod, wherein the main gas dispersing rod is vertically arranged, the auxiliary gas dispersing rod is arranged on the periphery of the main gas dispersing rod and is communicated with the main gas dispersing rod, and gas dispersing holes are formed in the main gas dispersing rod and the auxiliary gas dispersing rod.
Preferably, a surface aerator is arranged in the aerobic zone, and a second return pipe is arranged at the bottom of the aerobic zone and communicated with the anoxic zone.
The utility model has the advantages that:
firstly, the method comprises the following steps: medical sewage and domestic sewage are classified, slag-removing wastes, sludge and the like of the medical sewage are firstly sterilized after being collected, and secondary pollution is prevented from being generated during cleaning;
secondly, the method comprises the following steps: the medical sewage is disinfected and sterilized for the second time, the domestic sewage is treated comprehensively, and the sewage discharge standard is controlled from the source;
thirdly, the method comprises the following steps: and a surface aerator is used in the aerobic tank, so that the sludge is prevented from blocking aeration holes, and the maintenance and cleaning times are reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 10 is a first pretreatment zone, 11 is a first water inlet pipe, 12 is a first grid net, 13 is a first residue discharge pipe, 14 is a first stirring device, 15 is a first inclined pipe, 20 is a pre-disinfection zone, 21 is a first drug inlet pipe, 22 is a first water outlet pipe, 23 is a first drug adding barrel, 24 is a first drug adding valve, 25 is a first metering pump, 30 is a second pretreatment zone, 31 is a second water inlet pipe, 32 is a second grid net, 33 is a second residue discharge pipe, 34 is a second stirring device, 35 is a second inclined pipe, 40 is an anaerobic zone, 50 is an anoxic zone, 60 is an aerobic zone, 61 is a surface aerator, 62 is a second return pipe, 70 is a filter membrane zone, 71 is a second water outlet pipe, 72 is an MBR membrane module, 73 is a first return pipe, 80 is a disinfection zone, 81 is a residual chlorine detector, 82 is a second drug inlet pipe, 83 is a disinfection device, 83.1 is an ozone gas-dispersing rod, 83.1.1 is an ozone gas-dispersing rod, 83.1.2 is a main gas-dispersing rod, 32 is an auxiliary gas-dispersing rod-type ozone-type, 83.2 is a vacuum pump, 83.3 is an ozone generator, 84 is a second dosing barrel, 85 is a second dosing valve, 86 is a second metering pump, 90 is a first sludge collecting region, 100 is an ultraviolet disinfection lamp, and 110 is a second sludge collecting region.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1:
an environment-friendly medical sewage treatment system mainly comprises a first pretreatment area 10, a pre-disinfection area 20, a second pretreatment area 30, an anaerobic area 40, an anoxic area 50, an aerobic area 60, a filter membrane area 70 and a disinfection area 80 which are sequentially arranged along the sewage flow direction; a first water inlet pipe 11 is arranged at the top of the first pretreatment area 10, a first grating net 12 is arranged at a lower water outlet of the first water inlet pipe 11, a first slag discharge pipe 13 is arranged at the bottom of the side wall of the first pretreatment area 10, the first slag discharge pipe 13 is communicated with a first sludge collection area 90 arranged on the outer side wall of the first pretreatment area 10, a slag discharge hole of the first grating net 12 is communicated with the first sludge collection area 90, and an ultraviolet disinfection lamp 100 is arranged at the top of the first sludge collection area 90; a first medicine inlet pipe 21 is arranged at the top of the pre-disinfection area 20, and a first water outlet pipe 22 is arranged at the bottom of the pre-disinfection area 20; a second water inlet pipe 31 is arranged at the top of the second pretreatment area 30, and a second grid net 32 is arranged at a lower water outlet of the second water inlet pipe 31; set up chlorine residue detector 81 in the disinfection district 80, disinfection district 80 top sets up the second and advances pencil 82, sets up ozone disinfection device 83 in the disinfection district 80, the filter membrane district 70 lateral wall sets up second outlet pipe 71, first outlet pipe 22 and second outlet pipe 71 all communicate with disinfection district 80, disinfection district 80 bottom sets up the outlet pipe, and first pretreatment district 10 and second pretreatment district 30 all use the method of flocculation and precipitation to handle sewage, and consequently the top also sets up the pencil that adds, and this is prior art, no longer gives unnecessary details.
Preferably, a first stirring device 14 and a first inclined tube 15 are also arranged in the first pretreatment zone 10.
Preferably, a second stirring device 34 and a second inclined pipe 35 are further arranged in the second pretreatment zone 30, and a second slag discharge pipe 33 arranged at the bottom of the second pretreatment zone 30 is communicated with a second sludge collection zone 110 arranged on the outer side wall of the disinfection zone 80.
Preferably, an MBR membrane module 72 is arranged in the filtering membrane region 70, a first return pipe 73 is arranged at the bottom of the filtering membrane region 70, and the first return pipe 73 is communicated with the bottom of the anaerobic zone 40.
Preferably, the first medicine inlet pipe 21 is connected to a first medicine adding barrel 23 arranged at the top of the pre-sterilization zone 20, and the first medicine inlet pipe 21 is further provided with a first medicine adding valve 24 and a first metering pump 25.
Preferably, the second medicine inlet pipe 82 is connected to a second medicine adding barrel 84 arranged at the top of the disinfection area 80, and a second medicine adding valve 85 and a second metering pump 86 are further arranged on the second medicine inlet pipe 82.
Preferably, the ozone disinfection device 83 comprises an ozone diffusing rod 83.1 arranged in the disinfection area 80, and the air inlet end of the ozone diffusing rod 83.1 is connected with a vacuum pump 83.2 and an ozone generator 83.3 arranged at the top of the second sludge collection area 110; the ozone air dispersing rod 83.1 comprises a main air dispersing rod 83.1.1 which is vertically arranged and a horizontally arranged auxiliary air dispersing rod 83.1.2 which is arranged on the outer periphery of the main air dispersing rod 83.1.1 and communicated with the main air dispersing rod 83.1.1, and air dispersing holes are formed in the main air dispersing rod 83.1.1 and the auxiliary air dispersing rod 83.1.2.
Preferably, a surface aerator 61 is arranged in the aerobic zone 60, and a second return pipe 62 is arranged at the bottom of the aerobic zone 60, wherein the second return pipe 62 is communicated with the anoxic zone 50.
In the system, the first stirring device 14 and the second stirring device 34 are both in the prior art, and the stirring shaft is driven to rotate by the stirring motor, which is not described herein again.
The working principle of the system is as follows:
firstly, separating a sewage pipeline in a medical institution into domestic sewage and medical sewage, and enabling the medical sewage to enter a first pretreatment area 10 from a first water inlet pipe 11 for pretreatment; domestic sewage enters the second pretreatment area 30 from the second water inlet pipe 31 for pretreatment; the medical sewage is primarily separated by using a grid in the first pretreatment area 10, secondary separation is carried out by using flocculation precipitation, the separated sludge and medical waste residues are discharged to the first sludge collection area 90, an ultraviolet disinfection lamp is used for disinfection in the first sludge collection area 90 to prevent secondary pollution during cleaning, and the cleaned sludge and medical waste residues are subjected to corresponding treatment processes (limestone is added, stirring, burning and the like); the wastewater treated by the first pretreatment zone 10 enters a pre-disinfection zone 20 for chlorination disinfection, and then the wastewater is discharged into a disinfection zone 80;
after the domestic sewage enters the second pretreatment zone 30 for conventional deslagging and flocculation pretreatment, the sludge is discharged into the second sludge collection zone 110, and the pretreated sewage enters the subsequent anaerobic, anoxic, aerobic and membrane treatment and enters the disinfection zone 80; the content of residual chlorine in the sewage is detected in the disinfection area 80, and if the residual chlorine is too high, the residual chlorine is reduced by adding chemicals, and then secondary disinfection is carried out by utilizing ozone after reduction.
The system is suitable for hospitals, medical research institutions and the like, and controls the sewage discharge standard from the source.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides an environment-friendly medical sewage treatment system which characterized in that: the device mainly comprises a first pretreatment area, a pre-disinfection area, a second pretreatment area, an anaerobic area, an anoxic area, an aerobic area, a filter membrane area and a disinfection area which are sequentially arranged along the flowing direction of sewage; a first water inlet pipe is arranged at the top of the first pretreatment area, a first grating net is arranged at a lower water outlet of the first water inlet pipe, a first slag discharging pipe is arranged at the bottom of the side wall of the first pretreatment area and communicated with a first sludge collecting area arranged on the outer side wall of the first pretreatment area, a slag outlet of the first grating net is communicated with the first sludge collecting area, and an ultraviolet disinfection lamp is arranged at the top of the first sludge collecting area; a first medicine inlet pipe is arranged at the top of the pre-sterilization area, and a first water outlet pipe is arranged at the bottom of the pre-sterilization area; a second water inlet pipe is arranged at the top of the second pretreatment area, and a second grid net is arranged at a lower water outlet of the second water inlet pipe; the device is characterized in that a residual chlorine detector is arranged in the disinfection area, a second medicine inlet pipe is arranged at the top of the disinfection area, an ozone disinfection device is arranged in the disinfection area, a second water outlet pipe is arranged on the side wall of the filter membrane area, the first water outlet pipe and the second water outlet pipe are communicated with the disinfection area, and a water outlet pipe is arranged at the bottom of the disinfection area.
2. The environment-friendly medical sewage treatment system according to claim 1, wherein: and a first stirring device and a first inclined tube are also arranged in the first pretreatment region.
3. The environment-friendly medical sewage treatment system according to claim 1, wherein: and a second stirring device and a second inclined pipe are further arranged in the second pretreatment area, and a second slag discharge pipe arranged at the bottom of the second pretreatment area is communicated with a second sludge collecting area arranged on the outer side wall of the disinfection area.
4. The environment-friendly medical sewage treatment system according to claim 1, wherein: an MBR membrane assembly is arranged in the filtering membrane area, a first return pipe is arranged at the bottom of the filtering membrane area, and the first return pipe is communicated with the bottom of the anaerobic area.
5. The environment-friendly medical sewage treatment system according to claim 1, wherein: the first medicine inlet pipe is connected with a first medicine adding barrel arranged at the top of the pre-disinfection area, and a first medicine adding valve and a first metering pump are further arranged on the first medicine inlet pipe.
6. The environment-friendly medical sewage treatment system according to claim 1, wherein: the second medicine inlet pipe is connected with a second medicine adding barrel arranged at the top of the disinfection area, and a second medicine adding valve and a second metering pump are further arranged on the second medicine inlet pipe.
7. The environment-friendly medical sewage treatment system according to claim 1, wherein: the ozone disinfection device comprises an ozone gas-dispersing rod arranged in the disinfection area, and the gas inlet end of the ozone gas-dispersing rod is connected with a vacuum pump and an ozone generator which are arranged at the top of the second sludge collection area; the ozone gas dispersing rod comprises a main gas dispersing rod and an auxiliary gas dispersing rod, wherein the main gas dispersing rod is vertically arranged, the auxiliary gas dispersing rod is arranged on the periphery of the main gas dispersing rod and is communicated with the main gas dispersing rod, and gas dispersing holes are formed in the main gas dispersing rod and the auxiliary gas dispersing rod.
8. The environment-friendly medical sewage treatment system according to claim 1, wherein: and a surface aerator is arranged in the aerobic zone, and a second return pipe is arranged at the bottom of the aerobic zone and communicated with the anoxic zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104797.0U CN211921201U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly medical sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104797.0U CN211921201U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly medical sewage treatment system |
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| Publication Number | Publication Date |
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| CN211921201U true CN211921201U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922104797.0U Active CN211921201U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly medical sewage treatment system |
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| CN (1) | CN211921201U (en) |
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