CN216337167U - Medical wastewater treatment integrated system - Google Patents
Medical wastewater treatment integrated system Download PDFInfo
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- CN216337167U CN216337167U CN202122929187.1U CN202122929187U CN216337167U CN 216337167 U CN216337167 U CN 216337167U CN 202122929187 U CN202122929187 U CN 202122929187U CN 216337167 U CN216337167 U CN 216337167U
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Abstract
The utility model discloses a medical wastewater treatment integrated system, which comprises a pretreatment stage, a deep biochemical reaction stage and an equipment room for controlling the pretreatment stage and the deep biochemical reaction stage, wherein the pretreatment stage comprises a septic tank, the left end of the septic tank is provided with a water inlet, and the right end of the septic tank is connected with a grid well through a pipeline; the right end of the grating well is connected with an adjusting tank through a pipeline; a sewage lifting pump is arranged at the bottom of the adjusting tank; the adjusting tank is integrally formed with the sludge tank, the sludge tank is buried, the occupied area of a construction unit is saved, meanwhile, the sludge tank is highly integrated, a circulating hydrolysis acidification tank, a contact oxidation tank and a membrane filter tank are combined, the sludge tank has strong impact resistance on water quantity and water quality, the circulating hydrolysis acidification tank improves the biodegradability of sewage and improves the treatment efficiency, and meanwhile, the adsorption, nitrification and denitrification functions of biological fillers and the final solid-liquid separation of the membrane filter tank effectively remove organic matters in medical wastewater, so that the purposes of nitrogen and phosphorus removal are achieved.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a medical wastewater treatment integrated system.
Background
Medical wastewater has attracted public attention for many times, and the discharge of the medical wastewater has great harm to water resources and becomes a source of harm to the health of the public; only a few hospital indexes that can really reach the national emission standard in some areas. At present, the medical wastewater is directly discharged and the current situations of high pollution and low treatment exist in various hospitals due to the non-normative laws and the weak environmental protection consciousness.
However, at present, medical waste water with serious hazard is not reasonably treated in all hospitals, and water pollution vicious events possibly caused by virus infection in the waste water are ignored. Meanwhile, the related legislation of the country also needs to follow up in time, more definite regulations are made for the treatment of medical waste water, and environmental protection departments at all levels also need to strengthen the popularization of management and environmental protection awareness. Hospitals inevitably produce waste water with direct or indirect infectivity, toxicity and other harmfulness in the operation process, and the source of the waste water determines the composition complexity of the waste water and relates to various biological properties and chemical properties. The medical wastewater contains a large amount of pathogens such as bacteria, viruses, ova and the like, and also contains chemical agents, and has the characteristics of space pollution, acute infection and latent infection. If medical sewage containing pathogenic microorganisms is directly discharged into urban sewers without being subjected to harmless treatment such as disinfection and inactivation, the pollution of water and soil is often caused, various diseases are seriously caused, or the outbreak of water-mediated infectious diseases is caused. How to safely and effectively treat medical wastewater has become one of the concerns.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a medical wastewater treatment integrated system.
The utility model is realized by the following steps:
a medical wastewater treatment integrated system comprises a pretreatment stage, a deep biochemical reaction stage and an equipment room for controlling the pretreatment stage and the deep biochemical reaction stage, wherein the pretreatment stage comprises a septic tank, the left end of the septic tank is provided with a water inlet, and the right end of the septic tank is connected with a grid well through a pipeline; the right end of the grating well is connected with an adjusting tank through a pipeline; a sewage lifting pump is arranged at the bottom of the adjusting tank; the adjusting tank is integrally formed with a sludge tank, and a partition plate is arranged between the adjusting tank and the sludge tank;
the deep biochemical reaction stage comprises a circulating hydrolysis acidification tank, a contact oxidation tank, a membrane filter tank and a contact disinfection tank which are arranged in sequence, wherein a water inlet pipeline is arranged at the left end of the circulating hydrolysis acidification tank, and an overflowing hole communicated with the contact oxidation tank is formed in the right end of the circulating hydrolysis acidification tank; the bottom of the contact oxidation tank is provided with a reflux device and an aeration device, the left end of the membrane filter tank is provided with an overflowing hole communicated with the contact oxidation tank, and the membrane filter tank is internally provided with a membrane filter device; a water outlet is arranged at the right end of the contact disinfection tank;
an electric control cabinet is arranged in the equipment room, and a water production pump, a backwashing water pump, an air blower and a chlorine dioxide generation sterilizer are sequentially arranged in the equipment room below the electric control cabinet; the electric control cabinet is internally provided with a PLC control processing unit, the water production pump, the backwashing water pump, the air blower and the lifting pump are all connected with the PLC control processing unit, the output end of the PLC control processing unit is further connected with a 4G network communication unit, an intelligent control end is connected with the Internet through the 4G network communication unit, and the intelligent control end is an intelligent mobile phone or a PC end.
Further, the aeration device comprises an aeration pipe, a plurality of aeration heads communicated with the aeration pipe are uniformly arranged on the aeration pipe at intervals, and the aeration pipe is connected with the air blower;
further, the outflow end of the reflux device is connected with the circulating hydrolysis acidification tank.
Further, a sewage lifting pump is arranged in the adjusting tank and connected with the PLC control processing unit, and the sewage lifting pump is connected with the circulating hydrolysis acidification tank through a pipeline to lift the pretreated sewage into a deep biochemical reaction stage;
further, circulating device is equipped with bottom the circulating hydrolysis-acidification pool, utilizes circulating device to promote rivers, improves the area of contact of sewage and microorganism, does benefit to the reproduction of microorganism, improves the biodegradability of sewage greatly, does benefit to follow-up biological treatment.
Furthermore, sludge discharge ports are formed in the bottom of the circulating hydrolysis acidification tank and the bottom of the membrane filter.
Furthermore, the circulating hydrolysis acidification tank and the contact oxidation tank are both provided with biological elastic fillers.
The operation principle of the utility model is as follows: after being treated by a septic tank, medical wastewater to be discharged enters a grid well with a grid machine arranged therein through a pipeline to remove floating objects and some larger particles in water to obtain primary filtered sewage, and the primary filtered sewage is guided into a sewage adjusting tank to further carry out water quantity adjustment and water quality homogenization to obtain neutralized sewage. The adjusting tank lifts the sewage to a circulating hydrolysis acidification tank through a sewage lifting pump, the circulating hydrolysis acidification tank is internally provided with a biological elastic filler, hydrolytic bacteria growing on the biological filler and the acidification bacteria can hydrolyze insoluble organic matters in the medical wastewater into soluble organic matters and convert macromolecular substances difficult to be biodegraded into micromolecular substances easy to be biodegraded, meanwhile, the bottom of the circulating hydrolysis acidification tank is provided with a circulating device, the circulating device is utilized to push water flow, the contact area between the sewage and microorganisms is increased, the propagation of the microorganisms is facilitated, the biodegradability of the sewage is greatly improved, the subsequent biological treatment is facilitated, the medical wastewater treated by the circulating hydrolysis acidification tank enters a contact oxidation tank, the biological filler in the contact oxidation tank can adsorb the organic matters, and the biological filler is mainly aerobic bacteria, and the organic matters are oxidatively decomposed by the microorganisms in an aerobic environment, so that the medical wastewater can be further treated. Medical waste water after the treatment of the contact oxidation pond then enters the membrane filter, the medical waste water is filtered in the membrane filter through the membrane filter device to realize the solid-liquid separation of the final mud-water mixture, when sludge and water are separated, the upper layer water is pumped into the contact disinfection pond through the water production pump, and the sludge is collected from the sludge discharge port to the sludge pond. The chlorine dioxide generating sterilizer is connected with the contact sterilizing tank through a pipeline, and water liquid in the chlorine dioxide generating sterilizer is sterilized through the chlorine dioxide to kill residual bacteria and viruses.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model combines the circulating hydrolysis acidification tank, the contact oxidation tank and the membrane filtration tank, has stronger impact resistance to the sewage quantity and the water quality, and simultaneously, the circulating hydrolysis acidification tank can effectively improve the biodegradability of the sewage and the treatment efficiency.
2. According to the utility model, the solid-liquid separation of the mud-water mixture is realized through the adsorption, nitrification and denitrification of the biological filler and the filtration of the membrane filter tank, so that organic matters in the medical wastewater can be effectively removed, and the purposes of nitrogen and phosphorus removal are realized. The effluent of the medical wastewater can stably reach the discharge standard in the discharge Standard of Water pollution of medical institutions (GB 18466-2005).
3. The utility model adopts the biological elastic filler, has the advantages of high film forming efficiency, stable structure, deformation resistance and the like, and has the advantages of long sludge age, small sludge amount, easy realization of short-range nitrification, synchronous nitrification and denitrification and the like of the formed biological film.
4. The medical wastewater treatment integrated system is buried, so that the occupied area of a construction unit is saved, and meanwhile, the cost is reduced due to highly integrated equipment, and the practicability of the whole device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a side view of a pretreatment stage of the present invention.
FIG. 2 is a side view of the deep biochemical stage and apparatus chamber of the present invention
Wherein, 1-a water inlet, 2-a septic tank, 3-a grid well, 4-a regulating tank, 5-a sludge tank, 6-a circulating hydrolysis acidification tank, 7-a contact oxidation tank, 8-a membrane filter tank, 9-a contact disinfection tank, 10-a facility house, 11-a sewage lifting pump, 12-a water inlet pipeline, 13-a sludge discharge port, 14-a circulating device, 15-a reflux device, 16-a reflux pipeline, 17-an aeration device, 18-a membrane filter device, 19-a water outlet, 20-an electric control cabinet, 21-a water production pump, 22-a backwashing water pump, 23-an air blower, 24-a chlorine dioxide generating disinfector, 25-an overflowing hole and 26-a biological elastic filler.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, a medical wastewater treatment integrated system comprises a pretreatment stage, a deep biochemical reaction stage and an equipment room for controlling the pretreatment stage and the deep biochemical reaction stage, wherein the pretreatment stage comprises a septic tank 2, a water inlet 1 is arranged at the left end of the septic tank 2, and the right end of the septic tank 2 is connected with a grid well 3 through a pipeline; the right end of the grating well 3 is connected with an adjusting tank 4 through a pipeline; a sludge tank 5 is integrally formed in the adjusting tank 4, and a partition plate is arranged between the adjusting tank 4 and the sludge tank 5;
the advanced biochemical reaction stage comprises a circulating hydrolysis acidification tank 6, a contact oxidation tank 7, a membrane filter tank 8 and a contact disinfection tank 9 which are arranged in sequence, wherein the left end of the circulating hydrolysis acidification tank 6 is provided with a water inlet pipeline 12, and the right end of the circulating hydrolysis acidification tank is provided with an overflowing hole 25 communicated with the contact oxidation tank 7; a reflux device 15 and an aeration device 17 are arranged at the bottom of the contact oxidation tank 7, an overflowing hole communicated with the contact oxidation tank 7 is arranged at the left end of the membrane filter tank 8, and a membrane filter device 18 is arranged in the membrane filter tank 8; a water outlet 19 is arranged at the right end of the contact disinfection tank 9; and biological elastic fillers 26 are arranged in the circulating hydrolysis acidification tank 6 and the contact oxidation tank 7. Sludge discharge openings are formed in the bottoms of the circulating hydrolysis acidification tank 6 and the membrane filter 8.
An electric control cabinet is arranged in the equipment room, and a water production pump 21, a backwashing water pump 22, an air blower 23 and a chlorine dioxide generation sterilizer 24 are sequentially arranged in the equipment room below the electric control cabinet; the electric control cabinet is internally provided with a PLC control processing unit, the water production pump 21, the backwashing water pump 22 and the air blower 23 are all connected with the PLC control processing unit, the output end of the PLC control processing unit is further connected with a 4G network communication unit, an intelligent control end is connected with the Internet through the 4G network communication unit, and the intelligent control end is an intelligent mobile phone or a PC end.
In this embodiment, the aeration device 17 includes an aeration pipe, a plurality of aeration heads communicated with the aeration pipe are uniformly arranged on the aeration pipe at intervals, and the aeration pipe is connected with the blower 23;
in this embodiment, the outflow end of the backflow device 15 is connected to the circulating hydrolysis acidification tank 6.
In this embodiment, a sewage lift pump 11 is arranged in the adjusting tank 4, the sewage lift pump 11 is connected with the PLC control processing unit, the sewage lift pump 11 is connected with the circulating hydrolysis acidification tank 6 through a pipeline, and the pretreated sewage is lifted to enter a deep biochemical reaction stage;
in this embodiment, the bottom of the circulating hydrolysis-acidification tank 6 is provided with the circulating device 14, and the circulating device 14 is used for pushing water flow, so that the contact area between the sewage and the microorganisms is increased, the propagation of the microorganisms is facilitated, the biodegradability of the sewage is greatly improved, and the subsequent biological treatment is facilitated.
In the present embodiment, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a medical wastewater treatment integration system which characterized in that: the device comprises a pretreatment stage, a deep biochemical reaction stage and a device room for controlling the pretreatment stage and the deep biochemical reaction stage, wherein the pretreatment stage comprises a septic tank, the left end of the septic tank is provided with a water inlet (1), and the right end of the septic tank (2) is connected with a grid well (3) through a pipeline; the right end of the grating well (3) is connected with an adjusting tank (4) through a pipeline, the adjusting tank (4) is integrally formed with a sludge tank (5), and a partition plate is arranged between the adjusting tank (4) and the sludge tank (5);
the advanced biochemical reaction stage comprises a circulating hydrolysis acidification tank (6), a contact oxidation tank (7), a membrane filter tank (8) and a contact disinfection tank (9) which are arranged in sequence, wherein a water inlet pipeline (12) is arranged at the left end of the circulating hydrolysis acidification tank (6), an overflowing hole (25) communicated with the contact oxidation tank (7) is formed in the right end of the circulating hydrolysis acidification tank, a backflow device (15) and an aeration device (17) are arranged at the bottom of the contact oxidation tank (7), an overflowing hole communicated with the contact oxidation tank (7) is formed in the left end of the membrane filter tank (8), a membrane filter device (18) is arranged in the membrane filter tank (8), and a water outlet (19) is formed in the right end of the contact disinfection tank (9);
an electric control cabinet is arranged in the equipment room, and a water production pump, a backwashing water pump (22), an air blower (23) and a chlorine dioxide generation sterilizer (24) are sequentially arranged in the equipment room below the electric control cabinet; the electric control cabinet is internally provided with a PLC control processing unit, the water production pump (21), the backwashing water pump (22) and the air blower (23) are all connected with the PLC control processing unit, the output end of the PLC control processing unit is further connected with a 4G network communication unit, an intelligent control end is connected with the Internet through the 4G network communication unit, and the intelligent control end is an intelligent mobile phone or a PC end.
2. The integrated medical wastewater treatment system according to claim 1, wherein: the aeration device (17) comprises an aeration pipe, a plurality of aeration heads communicated with the aeration pipe are uniformly arranged on the aeration pipe at intervals, and the aeration pipe is connected with the air blower (23).
3. The integrated medical wastewater treatment system according to claim 1, wherein: the outflow end of the reflux device (15) is connected with the circulating hydrolysis acidification tank (6).
4. The integrated medical wastewater treatment system according to claim 1, wherein: be equipped with sewage elevator pump (11) in equalizing basin (4), sewage elevator pump (11) with PLC control processing unit connects, sewage elevator pump (11) are connected with circulating hydrolysis acidification pond (6) through the pipeline, promote the sewage of preliminary treatment and get into degree of depth biochemical reaction stage.
5. The integrated medical wastewater treatment system according to claim 1, wherein: and a circulating device (14) is arranged at the bottom of the circulating type hydrolysis acidification pool (6).
6. The integrated medical wastewater treatment system according to claim 1, wherein: and sludge discharge ports (13) are formed in the bottom of the circulating hydrolysis acidification tank (6) and the bottom of the membrane filter (8).
7. The integrated medical wastewater treatment system according to claim 1, wherein: and biological elastic fillers (26) are arranged in the circulating hydrolysis acidification tank (6) and the contact oxidation tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929187.1U CN216337167U (en) | 2021-11-26 | 2021-11-26 | Medical wastewater treatment integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929187.1U CN216337167U (en) | 2021-11-26 | 2021-11-26 | Medical wastewater treatment integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216337167U true CN216337167U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122929187.1U Active CN216337167U (en) | 2021-11-26 | 2021-11-26 | Medical wastewater treatment integrated system |
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| Country | Link |
|---|---|
| CN (1) | CN216337167U (en) |
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2021
- 2021-11-26 CN CN202122929187.1U patent/CN216337167U/en active Active
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