CN113292206B - Medical wastewater multi-stage treatment device - Google Patents
Medical wastewater multi-stage treatment device Download PDFInfo
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- CN113292206B CN113292206B CN202110639877.5A CN202110639877A CN113292206B CN 113292206 B CN113292206 B CN 113292206B CN 202110639877 A CN202110639877 A CN 202110639877A CN 113292206 B CN113292206 B CN 113292206B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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Abstract
The invention discloses a medical wastewater multi-stage treatment device, which comprises a filtering mechanism, an oxidizing mechanism and a disinfecting mechanism which are sequentially communicated; the filtering mechanism comprises a filtering box, the inner wall of the top end of the filtering box is fixedly connected with a stirring part, the filtering box is fixedly connected with a first motor, and the first motor is in transmission connection with the stirring part; a filter screen is arranged below the stirring part and is fixedly connected with the inner wall of the filter box; the oxidation mechanism comprises an oxidation box, a biological contact membrane part and an aeration part are fixedly connected in the oxidation box, the aeration part is positioned below the biological contact membrane part, a first air pump is fixedly connected on the oxidation box, and the first air pump is communicated with the aeration part; the disinfection mechanism comprises a disinfection box, the inner wall of the top end of the disinfection box is fixedly connected with a jet part, the disinfection box is fixedly connected with a second air pump and a second motor, and the second motor is in transmission connection with the jet part; the filter box, the oxidation box and the disinfection box are communicated in sequence, and the filter box, the oxidation box and the disinfection box are communicated with the outside. The invention realizes the multi-stage treatment of the medical wastewater, and has better treatment effect.
Description
Technical Field
The invention relates to the technical field of medical wastewater treatment, in particular to a medical wastewater multi-stage treatment device.
Background
The source and components of the hospital sewage are complex, the hazard is large, and the source is mainly the sewage discharged by diagnosis and treatment rooms, laboratory laboratories, sickrooms, laundry rooms, X-ray photography rooms, operating rooms and the like of the hospital. The sewage contains a large amount of pathogenic bacteria, viruses and chemical agents and has the characteristics of space pollution, acute infection and latent infection. If hospital sewage containing pathogenic microorganisms is discharged into urban sewer pipelines or environmental water bodies without being disinfected, the water bodies are often polluted, various diseases and infectious diseases are caused, and the health of people is seriously harmed.
However, the conventional medical wastewater treatment device often has the problem of poor treatment effect, so that the treated medical wastewater cannot meet the national allowable discharge standard, and therefore, a medical wastewater multistage treatment device is urgently needed to be designed to provide better treatment effect.
Disclosure of Invention
The invention aims to provide a medical wastewater multi-stage treatment device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a medical wastewater multi-stage treatment device, which comprises a filtering mechanism, an oxidizing mechanism and a disinfecting mechanism which are sequentially communicated;
the filtering mechanism comprises a filtering box, the inner wall of the top end of the filtering box is fixedly connected with a stirring part, the filtering box is fixedly connected with a first motor, and the first motor is in transmission connection with the stirring part; a filter screen is arranged below the stirring part and is fixedly connected with the inner wall of the filter box;
the oxidation mechanism comprises an oxidation box, a biological contact membrane part and an aeration part are fixedly connected in the oxidation box, the aeration part is positioned below the biological contact membrane part, a first air pump is fixedly connected on the oxidation box, and the first air pump is communicated with the aeration part;
the disinfection mechanism comprises a disinfection box, a jet part is fixedly connected to the inner wall of the top end of the disinfection box, a second air pump, a medicine supply device and a second motor are fixedly connected to the disinfection box, the second air pump and the medicine supply device are communicated with the jet part, and the second motor is in transmission connection with the jet part.
Preferably, the jet part comprises a frame transmission component fixedly connected with the inner wall of the top end of the disinfection box, and the second motor is in shaft connection with the frame transmission component; the frame transmission assembly is rotatably connected with a third motor, the third motor is fixedly connected with a rotating valve, and the second air pump and the medicine supply device are communicated with the rotating valve; and one end of the rotating valve, which is far away from the third motor, is fixedly communicated with a jet pipe, and the tail end of the jet pipe is fixedly connected with a jet nozzle.
Preferably, the frame transmission assembly comprises a first frame fixedly connected with the sterilizing box, the bottom of the first frame is rotatably connected with a second frame, and a third motor is rotatably connected with the second frame; the inner wall of the top end of the first frame is rotatably connected with a transmission connecting block, and a second motor is in shaft connection with the transmission connecting block; the tail end of the transmission connecting block is fixedly connected with one end of a fixed connecting rod, and the other end of the fixed connecting rod is fixedly connected with the top end face of the third motor.
Preferably, the transmission connecting block comprises a first transmission block rotationally connected with the inner wall of the top end of the first frame and a second transmission block obliquely arranged, and the second transmission block is fixedly connected with the first transmission block; the fixed connecting rod is fixedly connected with the bottom end face of the second transmission block.
Preferably, the rotary valve comprises a valve body fixedly connected with the third motor and a valve core rotatably connected in the valve body, and the valve body and the valve core are both hollow cylindrical structures; a cavity formed between the valve body and the valve core is divided into an air inlet cavity and a liquid inlet cavity, the air inlet cavity is positioned above the liquid inlet cavity, the air inlet cavity and the liquid inlet cavity are both communicated with the valve core, and the second air pump and the medicine supply device are respectively communicated with the air inlet cavity and the liquid inlet cavity; the top end of the valve core is coupled with an output shaft of the third motor, and the bottom end of the valve core is fixedly communicated with the jet pipe.
Preferably, a rectifying ring matched with the inner wall of the valve core is arranged in the valve core, the rectifying ring is fixedly connected with the inner wall of the valve core, and the rectifying ring is positioned between the air inlet cavity and the liquid inlet cavity; the inboard cowling panel that is provided with of cowling ring, seted up a plurality of ventilation holes on the cowling panel, cowling panel outer wall and cowling ring inner wall rigid coupling.
Preferably, the stirring part comprises a gear transmission assembly fixedly connected to the inner wall of the top end of the filter box, and the first motor is in shaft connection with the gear transmission assembly; the middle part of the bottom end of the gear transmission assembly is provided with a main stirring assembly, the circumferential equidistance of the edge part of the bottom end of the gear transmission assembly is provided with a plurality of auxiliary stirring assemblies, and the main stirring assembly and the auxiliary stirring assemblies are in shaft connection with the gear transmission assembly.
Preferably, the biological contact membrane part comprises two permeable plates fixedly connected with the inner wall of the oxidation box, a plurality of connecting rods are arranged between the two permeable plates, two ends of each connecting rod are fixedly connected with the two permeable plates respectively, a plurality of permeable balls are fixedly connected onto the connecting rods, each permeable ball is of a hollow structure, and biological membrane fillers are filled in the permeable balls; the aeration part is positioned below the water permeable plate positioned below.
Preferably, the aeration part comprises an annular connecting pipe fixedly connected with the inner wall of the oxidation box, and the annular connecting pipe is positioned below the permeable plate below; a plurality of aeration pipes are fixedly communicated with the annular connecting pipe, and a plurality of aeration heads are fixedly communicated with the aeration pipes; the annular connecting pipe is communicated with the first air pump.
Preferably, the shape of the vent holes is honeycomb-shaped.
The invention discloses the following technical effects:
according to the invention, the medical wastewater is treated by the three-stage treatment mechanism, so that harmful substances in the medical wastewater can be effectively treated, and the treated water can reach the national discharge standard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a multistage medical wastewater treatment apparatus according to the present invention;
FIG. 2 is a schematic view of a fluidic portion of the present invention;
FIG. 3 is a schematic view of the rotary valve of the present invention;
FIG. 4 is a schematic view of a rectifying plate according to the present invention;
FIG. 5 is a schematic view of the structure of the bio-contact membrane part in the present invention;
FIG. 6 is a schematic view showing the structure of an aeration section according to the present invention;
FIG. 7 is a schematic structural view of the gear assembly of the present invention;
wherein, 1 is a valve body, 2 is a rubber sealing ring, 3 is a jet pipe, 4 is a limit ring, 5 is an air inlet pipe, 6 is a liquid inlet pipe, 7 is a rectifying ring, 8 is a rectifying plate, 9 is an air inlet cavity, 10 is a liquid inlet cavity, 11 is a second motor, 12 is a first transmission block, 13 is a second transmission block, 14 is a fixed connecting rod, 15 is a first frame, 16 is a disinfection box, 17 is a second frame, 18 is a third motor, 19 is a rotating blade, 20 is a jet nozzle, 21 is an oxidation box, 22 is a first air pump, 23 is an air purifier, 24 is a water permeable ball, 25 is a water permeable plate, 26 is an annular connecting pipe, 27 is an aeration head, 28 is an aeration pipe, 29 is a first motor, 30 is a filter box, 31 is a multi-stage electric telescopic rod, 32 is a bucket, 33 is a filter screen, 34 is an opening and closing door, 35 is a gear box, 36 is a driven gear, 37 is a driving gear, 38 is a driven shaft, 39 is a secondary stirring blade, 40 is a driving shaft, 41 is a main stirring blade, 42 is a second air pump, 43 is a connecting rod, 44 is a valve core, and 45 is a medicine supply device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a medical wastewater multi-stage treatment device, which comprises a filtering mechanism, an oxidizing mechanism and a disinfecting mechanism which are sequentially communicated;
the filtering mechanism comprises a filtering box 30, the inner wall of the top end of the filtering box 30 is fixedly connected with a stirring part, the filtering box 30 is fixedly connected with a first motor 29, and the first motor 29 is in transmission connection with the stirring part; a filter screen 33 is arranged below the stirring part, and the filter screen 33 is fixedly connected with the inner wall of the filter box 30;
the oxidation mechanism comprises an oxidation box 21, a biological contact membrane part and an aeration part are fixedly connected in the oxidation box 21, the aeration part is positioned below the biological contact membrane part, a first air pump 22 is fixedly connected on the oxidation box 21, and the first air pump 22 is communicated with the aeration part;
the disinfection mechanism comprises a disinfection box 16, a jet part is fixedly connected with the inner wall of the top end of the disinfection box 16, a second air pump 42, a medicine supply device 45 and a second motor 11 are fixedly connected on the disinfection box 16, the second air pump 42 and the medicine supply device 45 are both communicated with the jet part, and the second motor 11 is in transmission connection with the jet part;
the filter box 30, the oxidation box 21 and the disinfection box 16 are communicated in sequence, and the filter box 30, the oxidation box 21 and the disinfection box 16 are all communicated with the outside.
Furthermore, a water inlet pipe is fixedly connected to the top end of the filter box 30 and is communicated with the filter box 30.
Furthermore, a water outlet pipe is fixedly connected to the bottom of the disinfection box 16 and communicated with the disinfection box 16, and a valve is arranged on the water outlet pipe.
Further, in order to smoothly discharge the waste gas generated in the oxidation treatment process of the waste water out of the oxidation box 21 and avoid the pollution of the waste gas to the environment, the top end of the oxidation box 21 is communicated with an air purifier 23, and the air purifier 23 is communicated with the outside.
Further, the filter box 30, the oxidation box 21 and the disinfection box 16 are communicated in sequence through a water pump.
Further, a multi-stage electric telescopic rod 31 is fixedly connected to the outer wall of the filter box 30, a bucket 32 is arranged above the filter screen 33, the bucket 32 is located in the filter box 30, and the telescopic end of the multi-stage electric telescopic rod 31 penetrates through the filter box 30 and is fixedly connected with the bucket 32; the dirty mouth of a play has been seted up to one side that rose box 30 kept away from multistage telescopic link, and the outer wall of rose box 30 is provided with the door 34 that opens and shuts with dirty mouthful looks adaptation, and the one end of door 34 that opens and shuts can be dismantled with rose box 30 and be connected, and the other end of door 34 that opens and shuts rotates with rose box 30 and be connected. When the accumulated impurities on the filter screen 33 are too much, the bucket 32 can be controlled to be shoveled by controlling the multi-stage electric telescopic rod 31 and discharged through the sewage outlet, so that repeated disassembly and cleaning of the filter screen 33 are reduced, the treatment efficiency of medical wastewater is improved, and the labor burden and the labor difficulty of workers are reduced.
Further, the jet part comprises a frame transmission component fixedly connected with the inner wall of the top end of the disinfection box 16, and the second motor 11 is in shaft connection with the frame transmission component; the frame transmission assembly is rotatably connected with a third motor 18, the third motor 18 is fixedly connected with a rotating valve, and the second air pump 42 and the medicine supply device 45 are both communicated with the rotating valve; the end of the rotary valve far away from the third motor 18 is fixedly communicated with a jet pipe 3, and the tail end of the jet pipe 3 is fixedly connected with a jet spray head 20.
Further, in order to improve the disinfection effect, the medical wastewater treated twice can be more fully contacted with the disinfection solution, and a plurality of rotating blades 19 are fixedly connected to the outer wall of the jet pipe 3 at equal intervals in the circumferential direction.
Further, the frame transmission assembly comprises a first frame 15 fixedly connected with the sterilizing box 16, the bottom of the first frame 15 is rotatably connected with a second frame 17, and a third motor 18 is rotatably connected with the second frame 17; the inner wall of the top end of the first frame 15 is rotatably connected with a transmission connecting block, and the second motor 11 is in shaft connection with the transmission connecting block; the tail end of the transmission connecting block is fixedly connected with one end of a fixed connecting rod 14, the other end of the fixed connecting rod 14 is fixedly connected with the top end face of the third motor 18, and the fixed connecting rod 14 is perpendicular to the top end face of the third motor 18.
Further, the first frame 15 is shaped like "Jiong", and the second frame 17 is a hollow box without a top cover and a bottom cover.
Furthermore, the transmission connecting block comprises a first transmission block 12 rotationally connected with the inner wall of the top end of the first frame 15 and a second transmission block 13 obliquely arranged, and the second transmission block 13 is fixedly connected with the first transmission block 12; the bottom end face of the second transmission block 13 is parallel to the top end face of the third motor 18, the fixed connecting rod 14 is fixedly connected with the bottom end face of the second transmission block 13, and the fixed connecting rod 14 is perpendicular to the bottom end face of the second transmission block 13. The transmission connecting block is a whole formed by fixedly connecting a first transmission block 12 and a second transmission block 13.
Further, the rotary valve comprises a valve body 1 fixedly connected with the third motor 18 and a valve core 44 rotatably connected in the valve body 1, and the valve body 1 and the valve core 44 are both hollow cylindrical structures; a cavity formed between the valve body 1 and the valve core 44 is divided into an air inlet cavity 9 and a liquid inlet cavity 10, the air inlet cavity 9 is positioned above the liquid inlet cavity 10, the air inlet cavity 9 and the liquid inlet cavity 10 are both communicated with the valve core 44, and the second air pump 42 and the medicine supply device 45 are respectively communicated with the air inlet cavity 9 and the liquid inlet cavity 10; the top end of the valve core 44 is coupled with the output shaft of the third motor 18, and the bottom end of the valve core 44 is fixedly communicated with the jet pipe 3.
Further, the fixed cover of case 44 outer wall is equipped with three spacing ring 4, and three spacing ring 4 divides the cavity that valve body 1 inner wall and case 44 outer wall formed into air inlet chamber 9 and feed liquor chamber 10.
Further, an air inlet pipe 5 and a liquid inlet pipe 6 are fixedly connected to the outer wall of the valve body 1, one end of the air inlet pipe 5 and one end of the liquid inlet pipe 6 are respectively communicated with the air inlet cavity 9 and the liquid inlet cavity 10, and the other end of the air inlet pipe 5 and the other end of the liquid inlet pipe 6 are respectively communicated with a second air pump 42 and a medicine feeder 45.
Further, the air inlet pipe 5 and the liquid inlet pipe 6 are both communicated with a second air pump 42 and a medicine feeder 45 through hoses.
Further, in order to ensure the tightness between the air inlet cavity 9 and the liquid inlet cavity 10 and avoid the mutual interference between the liquid inlet cavity 10 and the air inlet cavity 9, a rubber sealing ring 2 is embedded at one side of the limiting ring 4, which is close to the inner wall of the valve body 1.
Further, the inner wall of the top end and the inner wall of the bottom end of the valve body 1 are both provided with grooves, bearings are fixedly arranged in the grooves, and the valve core 44 is rotatably connected with the valve body 1 through the bearings.
Further, a rectifying ring 7 matched with the inner wall of the valve core 44 is arranged in the valve core 44, the rectifying ring 7 is fixedly connected with the inner wall of the valve core 44, and the rectifying ring 7 is positioned between the air inlet cavity 9 and the liquid inlet cavity 10; the inboard of rectifying ring 7 is provided with cowling panel 8, has seted up a plurality of ventilation holes on the cowling panel 8, 8 outer walls of cowling panel and 7 inner wall rigid couplings of rectifying ring. The rectifying ring 7 can further accelerate the compressed gas entering the valve core 44, and the rectifying plate 8 can rectify the flowing gas, so that the jet effect is better, and the liquid outlet is more uniform.
Further, the stirring part comprises a gear transmission component fixedly connected to the inner wall of the top end of the filter box 30, and the first motor 29 is in shaft connection with the gear transmission component; the middle part of the bottom end of the gear transmission assembly is provided with a main stirring assembly, the circumferential equidistance of the edge part of the bottom end of the gear transmission assembly is provided with a plurality of auxiliary stirring assemblies, and the main stirring assembly and the auxiliary stirring assemblies are in shaft connection with the gear transmission assembly.
Further, the gear transmission assembly comprises a gear box 35 fixedly connected with the inner wall of the top end of the filter box 30, a driving gear 37 is rotatably connected in the gear box 35, and an output shaft of the first motor 29 and the main stirring assembly are both in shaft connection with the driving gear 37; the driven gears 36 which are matched with the auxiliary stirring assemblies in number are connected to the outer side of the driving gear 37 in a circumferential equidistant rotating mode, the driving gear 37 is meshed with the driven gears 36, and the auxiliary stirring assemblies are connected with the driven gears 36 in a shaft mode.
Further, the main stirring assembly comprises a driving shaft 40 coupled to the driving gear 37, and a plurality of main stirring blades 41 are fixed to an outer wall of the driving shaft 40.
Furthermore, the auxiliary stirring component comprises a driven shaft 38 coupled to the driven gear 36, and a plurality of auxiliary stirring blades 39 are fixed to an outer wall of the driven shaft 38.
Further, the biological contact membrane part comprises two permeable plates 25 fixedly connected with the inner wall of the oxidation box 21, a plurality of connecting rods 43 are arranged between the two permeable plates 25, two ends of each connecting rod 43 are fixedly connected with the two permeable plates 25 respectively, a plurality of permeable balls 24 are fixedly connected onto the connecting rods 43, the permeable balls 24 are of hollow structures, and biological membrane fillers are filled in the permeable balls 24; the aeration part is positioned below the water permeable plate 25 positioned below. The spherical structure of the permeable ball 24 can increase the contact area between water and the permeable ball 24, and improve the effect of oxidation treatment.
Further, the water permeable plate 25 is a stainless steel plate provided with a plurality of water permeable holes, the water permeable ball 24 is a hollow stainless steel ball provided with a plurality of water permeable holes, nano-silver spraying carbon fiber coatings are laid on the filter screen 33, the water permeable plate 25 and the water permeable ball 24, and the granularity of the silver nano-particles is 15-30 nanometers. The nano silver is a metal silver simple substance with the particle size of nano level. The nano silver has strong inhibition and killing effects on dozens of pathogenic microorganisms such as escherichia coli, gonococcus, chlamydia trachomatis and the like, and can not generate drug resistance. Therefore, the nano-silver sprayed carbon fiber coatings are laid on the filter screen 33, the water permeable plate 25 and the water permeable ball 24, so that the growth of bacteria can be effectively inhibited, the times of cleaning, disinfecting and killing are reduced, and the service life is prolonged.
Further, the aeration part comprises an annular connecting pipe 26 fixedly connected with the inner wall of the oxidation box 21, and the annular connecting pipe 26 is positioned below the permeable plate 25 positioned below; a plurality of aeration pipes 28 are fixedly communicated with the annular connecting pipe 26, and a plurality of aeration heads 27 are fixedly communicated with the aeration pipes 28; the annular connecting pipe 26 communicates with the first air pump 22.
Further, the aeration head 27 is a disc aerator.
Further, the section of the rectifying ring 7 is two symmetrical right-angle trapezoids, and the tips of the right-angle trapezoids face the top end of the valve core 44.
Furthermore, the honeycomb structure is more compact, the ventilation effect and the rectification effect are better, and therefore the shape of the ventilation holes is honeycomb.
Furthermore, a microporous membrane is laid on the outer surface of the water permeable ball 24, and is made of polytetrafluoroethylene; the thickness of the microporous membrane is 1-3mm, and the pore diameter is 300-1500 nm; the water permeable ball 24 is filled with zoogloea, and the particle diameter of the zoogloea is 500-2000 nm; the particle size of the zoogloea is larger than the size of the pores of the microporous membrane.
The specific implementation mode is as follows:
injecting medical wastewater into the filter tank 30 through the water inlet pipe, starting the first motor 29, driving the driving gear 37 to rotate by the first motor 29, and driving the driving gear 37 to drive the driving shaft 40 to rotate so as to drive the main stirring blade 41 to move; the driving gear 37 rotates and simultaneously drives the driven gear 36 to rotate, the driven gear 36 rotates and drives the driven shaft 38 to rotate, and then the auxiliary stirring blade 39 is driven to move; can break up the great impurity in the medical waste water and more thick impurity through main stirring vane 41 and vice stirring vane 39, increase medical waste water's mobility, improve filtration efficiency and filter effect.
Filtered medical waste water passes through the water pump between rose box 30 and the oxidation case 21, go into the oxidation case 21 with the water pump in, first air pump 22 starts, inject oxygen into annular connecting pipe 26 in, oxygen flow in again with annular connecting pipe 26's aeration pipe 28, the rethread aeration head 27 discharges, take place oxidation reaction for medical waste water and biological contact membrane portion and provide sufficient oxygen, aerobic bacteria in the biological contact membrane portion carries out oxidative decomposition with the harmful substance in the medical waste water, the waste gas that produces in the oxidation process passes through the air purifier 23 of oxidation case 21 top intercommunication and discharges.
The medical wastewater after oxidation treatment is pumped into the disinfection box 16 through a water pump between the oxidation box 21 and the disinfection box 16, the second motor 11 is started, the second motor 11 drives the transmission connecting block to rotate, the transmission connecting block drives the fixed connecting rod 14 to rotate, and then the third motor 18 fixedly connected with the fixed connecting rod 14 is driven to rotate, and as the second frame 17 is rotatably connected with the first frame 15 and the third motor 18 is rotatably connected with the second frame 17, the jet pipe 3 can be driven to move, so that the medical wastewater can be stirred; start second air pump 42 and inject compressed air into to admitting air in the chamber 9 through intake pipe 5, supply ware 45 to inject the disinfectant into through 6 looks feed liquor chambeies 10 of feed liquor pipe, compressed air blows the disinfectant, blow off the disinfectant through jet pipe 3 from jet spray 20, disinfect medical waste water, the continuous motion of jet pipe 3 can realize the stirring to medical waste water, make the disinfectant can be abundant with medical waste water contact, the disinfection effect is better, utilize the active oxygen free radical that the cavitation produced in the efflux process simultaneously, can be further carry out oxidative decomposition to remaining harmful substance in the medical waste water.
Finally, the disinfected water is discharged from the water outlet pipe.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a medical waste water multilevel processing device which characterized in that: comprises a filtering mechanism, an oxidizing mechanism and a disinfecting mechanism which are communicated in sequence;
the filtering mechanism comprises a filtering box (30), a stirring part and a filtering net (33) are fixedly connected to the filtering box (30), the filtering net (33) is positioned below the stirring part, a first motor (29) is fixedly connected to the filtering box (30), and the first motor (29) is in transmission connection with the stirring part;
the oxidation mechanism comprises an oxidation box (21), a biological contact membrane part and an aeration part are fixedly connected in the oxidation box (21), the aeration part is positioned below the biological contact membrane part, a first air pump (22) is fixedly connected on the oxidation box (21), and the first air pump (22) is communicated with the aeration part;
the disinfection mechanism comprises a disinfection box (16), a jet part is fixedly connected to the inner wall of the top end of the disinfection box (16), a second air pump (42), a medicine supply device (45) and a second motor (11) are fixedly connected to the disinfection box (16), the second air pump (42) and the medicine supply device (45) are communicated with the jet part, and the second motor (11) is in transmission connection with the jet part;
the jet flow part comprises a frame transmission component fixedly connected with the inner wall of the top end of the sterilizing box (16), and the second motor (11) is in shaft connection with the frame transmission component; the frame transmission assembly is rotatably connected with a third motor (18), the third motor (18) is fixedly connected with a rotating valve, and the second air pump (42) and the medicine feeder (45) are communicated with the rotating valve; one end of the rotary valve, which is far away from the third motor (18), is fixedly communicated with a jet pipe (3), and the tail end of the jet pipe (3) is fixedly connected with a jet spray head (20);
the rotary valve comprises a valve body (1) fixedly connected with the third motor (18) and a valve core (44) rotatably connected in the valve body (1), and the valve body (1) and the valve core (44) are both hollow cylindrical structures; a cavity formed between the valve body (1) and the valve core (44) is divided into an air inlet cavity (9) and a liquid inlet cavity (10), the air inlet cavity (9) is positioned above the liquid inlet cavity (10), the air inlet cavity (9) and the liquid inlet cavity (10) are both communicated with the valve core (44), and the second air pump (42) and the medicine supply device (45) are respectively communicated with the air inlet cavity (9) and the liquid inlet cavity (10); the top end of the valve core (44) is coupled with an output shaft of the third motor (18), and the bottom end of the valve core (44) is fixedly communicated with the jet pipe (3);
a rectifying ring (7) matched with the inner wall of the valve core (44) is arranged in the valve core (44), the rectifying ring (7) is fixedly connected with the inner wall of the valve core (44), and the rectifying ring (7) is positioned between the air inlet cavity (9) and the liquid inlet cavity (10); the inboard cowling panel (8) that is provided with of cowling ring (7), a plurality of ventilation holes have been seted up on cowling panel (8), cowling panel (8) outer wall with cowling ring (7) inner wall rigid coupling.
2. The medical wastewater multistage treatment device according to claim 1, characterized in that: the frame transmission assembly comprises a first frame (15) fixedly connected with the sterilizing box (16), the bottom of the first frame (15) is rotatably connected with a second frame (17), and the third motor (18) is rotatably connected with the second frame (17); the inner wall of the top end of the first frame (15) is rotatably connected with a transmission connecting block, and the second motor (11) is in shaft connection with the transmission connecting block; the tail end of the transmission connecting block is fixedly connected with one end of a fixed connecting rod (14), and the other end of the fixed connecting rod (14) is fixedly connected with the top end face of the third motor (18).
3. The medical wastewater multistage treatment device according to claim 2, characterized in that: the transmission connecting block comprises a first transmission block (12) rotationally connected with the inner wall of the top end of the first frame (15) and a second transmission block (13) obliquely arranged, and the second transmission block (13) is fixedly connected with the first transmission block (12); the fixed connecting rod (14) is fixedly connected with the bottom end face of the second transmission block (13).
4. The medical wastewater multistage treatment device according to claim 1, characterized in that: the stirring part comprises a gear transmission assembly fixedly connected to the inner wall of the top end of the filter box (30), and the first motor (29) is in shaft connection with the gear transmission assembly; gear drive subassembly bottom middle part is provided with main stirring subassembly, gear drive subassembly bottom limit portion circumference equidistance is provided with a plurality of vice stirring subassemblies, main stirring subassembly and vice stirring subassembly all with gear drive subassembly coupling.
5. The medical wastewater multistage treatment device according to claim 1, characterized in that: the biological contact membrane part comprises two permeable plates (25) fixedly connected with the inner wall of the oxidation box (21), a plurality of connecting rods (43) are arranged between the two permeable plates (25), two ends of each connecting rod (43) are fixedly connected with the two permeable plates (25) respectively, a plurality of permeable balls (24) are fixedly connected onto the connecting rods (43), each permeable ball (24) is of a hollow structure, and biological membrane fillers are filled in the permeable balls (24); the aeration part is positioned below the water permeable plate (25).
6. The medical wastewater multistage treatment device according to claim 5, characterized in that: the aeration part comprises an annular connecting pipe (26) fixedly connected with the inner wall of the oxidation box (21), and the annular connecting pipe (26) is positioned below the water permeable plate (25); a plurality of aeration pipes (28) are fixedly communicated with the annular connecting pipe (26), and a plurality of aeration heads (27) are fixedly communicated with the aeration pipes (28); the annular connecting pipe (26) is communicated with the first air pump (22).
7. The medical wastewater multistage treatment device according to claim 1, characterized in that: the shape of the vent hole is a regular hexagonal prism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110639877.5A CN113292206B (en) | 2021-06-09 | 2021-06-09 | Medical wastewater multi-stage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110639877.5A CN113292206B (en) | 2021-06-09 | 2021-06-09 | Medical wastewater multi-stage treatment device |
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| CN113292206B true CN113292206B (en) | 2022-02-18 |
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| CN101108755A (en) * | 2006-07-19 | 2008-01-23 | 深圳市海川实业股份有限公司 | Medical treatment wastewater processing technique |
| CN101185859B (en) * | 2007-09-06 | 2010-12-08 | 江苏大学 | Jet current atomizing mixer for bioreactor |
| CN107892433A (en) * | 2017-11-17 | 2018-04-10 | 盐城荣平建设工程有限公司 | A kind of municipal wastewater processing unit |
| CN109011050B (en) * | 2018-07-26 | 2020-11-13 | 合肥康居人智能科技有限公司 | Air compression type atomizer |
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