CN210085196U

CN210085196U - Medical sewage treatment system using oxidation filler

Info

Publication number: CN210085196U
Application number: CN201920291669.9U
Authority: CN
Inventors: 周春松; 孙坚; 胡成坤; 贾建洪
Original assignee: Yixing International Environmental Protection City Technology Development Co Ltd
Current assignee: Qiannan high tech Zone Green Chemical Technology Research Institute Co.,Ltd.
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-02-18
Anticipated expiration: 2029-03-07

Abstract

The utility model provides an application oxidation filler's medical sewage treatment system belongs to sewage treatment technical field. It has solved the not good problem of prior art treatment medical sewage effect. This medical sewage treatment system includes preprocessing device, preprocessing device is used for the sewage of preliminary treatment special type department, preprocessing device passes through the pipe connection septic tank, the septic tank delivery port is provided with the grid pond, the grid pond is used for filtering out the large granule suspended solid, grid pond pipe connection has the oxidation pond, the oxidation pond is used for sewage biochemical treatment, oxidation pond pipe connection sludge sedimentation tank, sludge sedimentation tank is used for mud natural sedimentation, sludge sedimentation tank pipe connection disinfection pond, disinfection pond pipe connection dechlorination pond, the dechlorination pond is equipped with the sampling well, the sampling well is used for the sewage sample, the dechlorination pond still is equipped with the outlet. The utility model discloses can classify the sewage of different hospital departments and carry out the preliminary treatment centralized processing again, the treatment effect is good to can realize automatic control, satisfy modern hospital sewage treatment's requirement.

Description

Medical sewage treatment system using oxidation filler

Technical Field

The utility model belongs to the technical field of sewage treatment, in particular to medical sewage treatment system of application oxidation filler.

Background

Hospitals are places where patients are treated and live, and the department of delicacy, the department of housing, laboratory, laundry, radiographic printing, isotope therapy diagnosis, operating rooms, laundry rooms, dining halls, toilets and the like all need to discharge a large amount of sewage. Hospital waste water often contains various bacteria, viruses, parasitic eggs and some toxic and harmful substances. The selected bacteria, viruses and parasite eggs have strong resistance in the environment and can survive in sewage for a long time. When people eat or contact water and vegetables polluted by bacteria, viruses, parasitic ova or toxic and harmful substances, people can cause diseases and even cause outbreak of infectious diseases. Historically, the harm of hospital sewage is not known enough, and the hospital sewage is discharged randomly without being treated, so that a plurality of epidemic events of infectious diseases are caused, and great harm is brought to the life health of people. Meanwhile, the hospital sewage also contains heavy metals, disinfectants, organic solvents, acids, alkalis, radioactive substances and the like, is carcinogenic, teratogenic and mutagenic, has the characteristics of space pollution, acute infection, latent infection and the like, can become an important path for spreading epidemic diseases and seriously pollute the environment without effective treatment, and the substances cause huge harm to the environment and do harm to human health for a long time when discharged into water.

Patent application No. CN201620110256.2 discloses a hospital sewage treatment plant, adopted earlier to accomplish primary filter through filter grid, design through adjustment disinfection shower nozzle and modulation agitated vessel, the adjustment of disinfecting is handled sewage, accomplish anaerobic treatment through the anaerobic chamber, accomplish aerobic treatment through membrane bioreactor, aeration through the aerator, deposit through the drip chamber, degassing unit's in the rethread disinfection room design, carry out last disinfection and isolation processing to sewage after handling, water after the final processing is taken away by outlet pipe joint. Although the device conforms to the existing secondary treatment means, the secondary treatment effect is not ideal enough because the sewage of various departments of the hospital is different and the secondary treatment effect is directly started without pretreatment, the burden of a primary filtering mechanism is greatly increased, the sewage treatment capacity is limited, the service life of the whole device is short, the whole device needs to be maintained frequently, the sterilizing device is a sterilizing lamp, the ultraviolet sterilization energy consumption is high, the requirement on the quality of treated water is high, and the subsequent sterilization effect is not realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists among the prior art, provide an application oxidation filler's sewage classification preliminary treatment and treatment effect efficient medical sewage treatment system.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an application oxidation filler's medical sewage treatment system, includes preprocessing device, preprocessing device be used for the sewage of preliminary treatment special type department, preprocessing device pass through the pipe connection septic tank, the septic tank delivery port be provided with the grid pond, the grid pond be used for filtering out the large granule suspended solid, grid pond pipe connection have the oxidation pond, the oxidation pond be used for sewage biochemical treatment, the oxidation pond pipe connection sludge settling pond, the sludge settling pond be used for mud natural sedimentation, sludge settling pond pipe connection disinfection pond, disinfection pond pipe connection dechlorination pond, the dechlorination pond be equipped with the sampling well, the sampling well be used for the sewage sample, the dechlorination pond still be equipped with the outlet.

The utility model discloses a theory of operation: special sewage is categorised directly to flow in the septic tank after preprocessing device preliminary treatment, the sewage in ordinary ward directly flows in the septic tank and carries out anaerobic treatment, the grid pond of flowing through filters out the large granule suspended solid, then carry out biological contact oxidation decomposition organic substance in the inflow oxidation pond, sewage flows in the sedimentation tank after contact oxidation and carries out the natural sedimentation, deposit mud, later rivers in the sedimentation tank flow into the disinfection pond, kill multiple pathogenic microorganism such as excrement coliform crowd in the disinfection pond, discharge through taking a sample after dechlorination pond processing at last.

In the medical sewage treatment system using the oxidation filler, the pretreatment device is divided into a radioactive sewage treatment device, a phase-washing wastewater treatment device, a mercury-containing wastewater treatment device and a laboratory wastewater treatment device according to departments.

In the medical sewage treatment system using the oxidation filler, the adjusting sedimentation tank is arranged between the grating tank and the oxidation tank and is used for settling most of sludge and adjusting water quantity after sewage is filtered by the grating tank.

In the medical sewage treatment system using the oxidation filler, the oxidation tank is internally provided with the underwater aerator and is also internally provided with the oxidation filler, and the oxidation filler is matched with the underwater aerator to fully decompose and digest organic pollutants.

In the medical sewage treatment system using the oxidation filler, the oxidation filler is formed by solid-phase sintering of a plurality of active materials.

In the medical sewage treatment system using the oxidation filler, a first dosing device is further arranged in the oxidation tank, and the first dosing device is used for dosing a COD (chemical oxygen demand) removal microbial inoculum.

In foretell medical sewage treatment system of application oxidation filler, sludge sedimentation tank and regulation sedimentation tank in be provided with the sludge pump, sewage treatment system still be provided with sludge concentration tank, the sludge pump carry sludge to concentrate mummification in the sludge concentration tank.

In the medical sewage treatment system using the oxidized filler, the disinfection tank is internally provided with the stirring mechanism and the second dosing device, and the stirring mechanism is used for stirring the disinfectant put in the second dosing device.

In the medical sewage treatment system using the oxidized filler, the system further comprises an automatic control system, and the automatic control system is used for controlling the time of each wastewater treatment link.

In the medical sewage treatment system using the oxidized filler, a control valve is arranged between each two wastewater treatment tanks and is used for controlling the inlet and outlet of sewage.

The utility model has the advantages that: compared with the prior art, the utility model, the sewage treatment of different hospital departments can be classified and pretreated and then be treated in a centralized manner, the treatment effect is good, automatic control can be realized, and the requirement of sewage treatment of modern hospitals is met.

Drawings

Fig. 1 is a schematic view of the present invention;

in the figure, 1, pretreatment device; 2. a septic tank; 3. a grid tank; 4. adjusting a sedimentation tank; 5. an oxidation pond; 6. a sludge sedimentation tank; 7. a disinfection tank; 8. a dechlorination tank; 9. a sludge concentration tank; 10. an automatic control system; 11. a control valve; 41. a sludge pump; 51. oxidizing the filler; 52. a drug administration device I; 71. a second medication administration device; 72. a stirring mechanism; 81. sampling a well; 82. and a water outlet.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, this medical sewage treatment system includes preprocessing device 1, preprocessing device 1 is used for the sewage of preliminary treatment special type department, preprocessing device 1 passes through pipe connection septic tank 2, septic tank 2 delivery port is provided with grid pond 3, grid pond 3 is used for filtering out the large granule suspended solid, 3 pipe connection in grid pond has oxidation tank 5, oxidation tank 5 is used for sewage biochemical treatment, 5 pipe connection sludge sedimentation tank 6 in oxidation tank, sludge sedimentation tank 6 is used for mud natural sedimentation, 6 pipe connection disinfection pond 7 in sludge sedimentation tank, 7 pipe connection dechlorination pond 8 in disinfection pond, dechlorination pond 8 is equipped with sampling well 81, sampling well 81 is used for the sewage sample, dechlorination pond 8 still is equipped with outlet 82.

To be more specific, the pretreatment device 1 is provided with a radioactive sewage treatment device, a phase-washing wastewater treatment device, a mercury-containing wastewater treatment device, and a laboratory wastewater treatment device according to the division of the departments in order to better classify and treat the sewage.

In order to protect the subsequent treatment unit, a regulating sedimentation tank 4 is arranged between the grating tank 3 and the oxidation tank 5, and the regulating sedimentation tank 4 is used for settling most of sludge and regulating water quantity after the sewage is filtered by the grating tank 3.

In order to fully aerate the sewage for biochemical treatment, an underwater aerator is arranged in the oxidation pond 5, an oxidation filler 51 is also arranged in the oxidation pond 5, and the oxidation filler 51 is matched with the underwater aerator to fully decompose and digest organic pollutants.

In more detail, the oxidation packing 51 is formed by solid-phase sintering of a multi-element active material. The porous alloy is mainly sintered by metals such as nano iron, cobalt, manganese, nickel, copper and the like, rare metals such as titanium and the like, attapulgite and activated carbon in a solid phase manner to form a porous alloy structure, wherein the metals are anodes, the attapulgite and the activated carbon are cathodes, and the porous alloy structure integrates multiple functions such as oxidation, reduction, electrodeposition, flocculation, adsorption, bridging, rolling sweeping, coprecipitation and the like, can be used for deeply treating and removing COD, chromaticity, SS, total phosphorus and the like, is beneficial to biochemical treatment by breaking chains by opening chains, and can be used for removing various heavy metals with medium and low concentrations.

In more detail, a first dosing device 52 is further arranged in the oxidation pond 5, and the first dosing device 52 is used for dosing the COD removing microbial inoculum. The COD removing microbial inoculum comprises Acinetobacter calcoaceticus, bacillus, efficient flocculating bacteria, saccharomyces, micrococcus, enzyme, nutrient and the like, can decompose fatty acid, surfactant, hydrocarbon, phenolic compound, ketone and organic matters which are not easy to decompose, and is better matched with the oxidation filler 51 for use.

In further detail, sludge pumps 41 are arranged in the sludge sedimentation tank 6 and the adjusting sedimentation tank 4, the sewage treatment system is also provided with a sludge concentration tank 9, and the sludge pumps 41 convey sludge into the sludge concentration tank 9 for concentration and drying. Can be transported outside after being treated by the dry lime subsequently, and effectively treat the sludge.

In more detail, the stirring mechanism 72 and the second medication administering device 71 are disposed in the disinfection tank 7, and the stirring mechanism 72 is used for stirring the disinfectant put in the second medication administering device 71. The disinfectant is generally disinfected by using chlorine dioxide, is simply put in and is not influenced by the pH value of the water body.

In further detail, in order to facilitate control, the sewage treatment efficiency is improved, and the labor cost is reduced, the sewage treatment system further comprises an automatic control system 10, and the automatic control system 10 is used for controlling the time of each wastewater treatment link.

In further detail, for convenience of system control, a control valve 11 is arranged between each wastewater treatment tank, and the control valve 11 is used for controlling the inlet and outlet of sewage.

Special sewage is categorised directly to flow into septic tank 2 after 1 preliminary treatment of preprocessing device, the sewage in ordinary ward directly flows into septic tank 2 and carries out anaerobic treatment, the system control treatment time, 3 filter out the large granule suspended solid of grid pond of flowing through, deposit through adjusting sedimentation tank 4, then carry out biological contact oxidation decomposition organic matter in the inflow oxidation pond 5, sewage flows into the sedimentation tank after contact oxidation and carries out the natural sedimentation, deposit mud, mud is sent to concentrated mummification in the mud concentrated pond 9 through sludge pump 41, later rivers in the sedimentation tank flow into disinfection pond 7, put into chlorine dioxide in the disinfection pond 7 and kill multiple pathogenic microorganism such as excrement coliform, discharge after dechlorination pond 8 handles the sample at last.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the pretreatment apparatus 1, the septic tank 2, the grating tank 3, the conditioning sedimentation tank 4, the oxidation tank 5, the sludge sedimentation tank 6, the disinfection tank 7, the dechlorination tank 8, the sludge concentration tank 9, the automatic control system 10, the control valve 11, the sludge pump 41, the oxidation packing 51, the first drug administration apparatus 52, the second drug administration apparatus 71, the stirring mechanism 72, the sampling well 81, the drain 82, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an application oxidation filler's medical sewage treatment system, includes preprocessing device (1), preprocessing device (1) be used for the sewage of preliminary treatment special type department, preprocessing device (1) pass through pipe connection septic tank (2), septic tank (2) delivery port be provided with grid pond (3), grid pond (3) be used for filtering out the large granule suspended solid, grid pond (3) pipe connection have oxidation tank (5), oxidation tank (5) be used for sewage biochemical treatment, oxidation tank (5) pipe connection mud sedimentation tank (6), mud sedimentation tank (6) be used for mud natural sedimentation, mud sedimentation tank (6) pipe connection disinfection pond (7), disinfection tank (7) pipe connection dechlorination pond (8), dechlorination pond (8) be equipped with sampling well (81), the sampling well (81) is used for sewage sampling, and the dechlorination tank (8) is also provided with a water outlet (82).

2. The medical sewage treatment system using the oxidized filler according to claim 1, wherein the pretreatment device (1) is provided with a radioactive sewage treatment device, a phase washing wastewater treatment device, a mercury-containing wastewater treatment device and a laboratory wastewater treatment device according to the division of departments.

3. The medical sewage treatment system using the oxidation filling material as claimed in claim 1, wherein a regulation sedimentation tank (4) is further arranged between the grid tank (3) and the oxidation tank (5), and the regulation sedimentation tank (4) is used for settling most of sludge and regulating water quantity after sewage is filtered by the grid tank (3).

4. The medical sewage treatment system using the oxidized filler according to claim 1, wherein an underwater aerator is arranged in the oxidation pond (5), the oxidized filler (51) is further arranged in the oxidation pond (5), and the oxidized filler (51) is matched with the underwater aerator to sufficiently decompose and digest organic pollutants.

5. The medical sewage treatment system using the oxidized filler according to claim 4, wherein the oxidized filler (51) is formed by solid phase sintering of a plurality of active materials.

6. The medical sewage treatment system using the oxidation filling material as claimed in claim 1 or 4, wherein a first chemical dosing device (52) is further arranged in the oxidation pond (5), and the first chemical dosing device (52) is used for dosing the COD removal microbial inoculum.

7. The medical sewage treatment system using the oxidized fillers as claimed in claim 1 or 2, wherein a sludge pump (41) is arranged in the sludge sedimentation tank (6) and the adjusting sedimentation tank (4), the sewage treatment system is further provided with a sludge concentration tank (9), and the sludge pump (41) conveys the sludge into the sludge concentration tank (9) for concentration and drying.

8. The medical sewage treatment system using the oxidized filler according to claim 1, wherein a stirring mechanism (72) and a second chemical dosing device (71) are arranged in the disinfection tank (7), and the stirring mechanism (72) is used for stirring the disinfectant dosed by the second chemical dosing device (71).

9. The medical sewage treatment system using oxidized fillers according to claim 1, further comprising an automatic control system (10), wherein the automatic control system (10) is used for controlling the time of each wastewater treatment process.

10. The medical sewage treatment system using oxidized fillers according to claim 1, wherein a control valve (11) is arranged between each pool, and the control valve (11) is used for controlling the inlet and outlet of sewage.