CN111908685A - Medical sewage treatment device and method - Google Patents
Medical sewage treatment device and method Download PDFInfo
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- CN111908685A CN111908685A CN202010850928.4A CN202010850928A CN111908685A CN 111908685 A CN111908685 A CN 111908685A CN 202010850928 A CN202010850928 A CN 202010850928A CN 111908685 A CN111908685 A CN 111908685A
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- 239000010865 sewage Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 49
- 239000010802 sludge Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 238000007781 pre-processing Methods 0.000 claims abstract description 4
- 230000001954 sterilising effect Effects 0.000 claims abstract 4
- 238000005345 coagulation Methods 0.000 claims description 40
- 230000015271 coagulation Effects 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000010453 quartz Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 230000002070 germicidal effect Effects 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000008394 flocculating agent Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 4
- 229940037003 alum Drugs 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 241000220317 Rosa Species 0.000 claims 2
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- 238000007599 discharging Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
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- 208000032420 Latent Infection Diseases 0.000 description 1
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- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
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Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
- C02F2303/02—Odour removal or prevention of malodour
-
- 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
Abstract
The invention relates to the technical field of medical sewage treatment, in particular to a medical sewage treatment device and a medical sewage treatment method, wherein the medical sewage treatment device can be used for conveniently treating medical sewage, improving the treatment effect and the treatment efficiency, shortening the treatment time, improving the disinfection effect and reducing the influence on the surrounding environment; the method can improve the treatment effect and treatment efficiency of the medical wastewater, shorten the treatment time and reduce the influence on the surrounding environment; the device comprises a pretreatment system, a solid-liquid separation system, a sludge treatment system, a disinfection system and an odor treatment system, wherein the pretreatment system is communicated with the stationary liquid separation system, the sludge treatment system and the disinfection system are both communicated with the solid-liquid separation system, and the odor treatment system is communicated with the pretreatment system, the solid-liquid separation system, the disinfection system and the sludge treatment system; the processing method comprises the following steps: s1, preprocessing; s2, carrying out solid-liquid separation; s3, sludge dewatering treatment; s4, sterilizing; s5, odor treatment.
Description
Technical Field
The invention relates to the technical field of medical sewage treatment, in particular to a medical sewage treatment device and method.
Background
The medical sewage has complex sources and components, contains pathogenic microorganisms, toxic and harmful physicochemical pollutants, radioactive pollutants and the like, has the characteristics of space pollution, acute infection, latent infection and the like, and can become an important way for spreading epidemic diseases without effective treatment.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a medical sewage treatment apparatus which can conveniently treat medical sewage, improve treatment effect and treatment efficiency, shorten treatment time, improve disinfection effect, and reduce the influence on the surrounding environment;
another object of the present invention is to provide a method for medical wastewater treatment which improves the effect and efficiency of medical wastewater treatment, shortens the treatment time, and reduces the influence on the surrounding environment.
The medical sewage treatment device comprises a pretreatment system, a solid-liquid separation system, a sludge treatment system, a disinfection system and an odor treatment system, wherein the pretreatment system is communicated with the stationary liquid separation system, the sludge treatment system and the disinfection system are both communicated with the solid-liquid separation system, and the odor treatment system is communicated with the pretreatment system, the solid-liquid separation system, the disinfection system and the sludge treatment system.
Further, the pretreatment system comprises a regulating reservoir, a filter tank, a grating, a top plate, a plurality of groups of positioning frames, positioning rings, a plurality of groups of connecting chains, a plurality of groups of fixing hooks, a plurality of groups of fixing rings, a liquid feeding pipe, a water pumping pipe and a water pumping pump, wherein two ends of the plurality of groups of positioning frames are respectively connected with the top plate and the top of the regulating reservoir, the positioning rings are arranged at the bottom of the top plate, two ends of the plurality of groups of connecting chains are respectively connected with the positioning rings and the plurality of groups of hooks, the plurality of groups of fixing rings are all arranged at the top of the filter tank, a filter cavity is arranged in the filter tank, the top and the bottom of the filter tank are respectively provided with a liquid inlet and a liquid outlet, the grating is obliquely arranged at the bottom in the filter tank, the plurality of groups of fixing hooks are respectively hooked on the plurality of, the suction pipe input passes the first half region of equalizing basin right side wall and stretches into the first half region in the equalizing basin, the suction pump is installed on the suction pipe.
Further, the solid-liquid separation system comprises a coagulation barrel, a mud bucket, a discharge pipe, a mud pump, a material barrel, a feeding pipe, a motor, a speed reducer, a transmission shaft, a plurality of groups of stirring blades and an overflow pipe, wherein an opening is formed in the top of the coagulation barrel, the mud bucket is communicated with the bottom of the coagulation barrel, the input end of the discharge pipe is communicated with the bottom of the mud bucket, the mud pump is installed on the discharge pipe, a first switch valve is arranged on the discharge pipe, the output end of the water pumping pipe is communicated with the lower half area of the coagulation barrel, the motor is installed at the input end of the speed reducer, the speed reducer is installed at the right side wall of the coagulation barrel, the transmission shaft is positioned in the coagulation barrel, the right end of the transmission shaft penetrates through the right side wall of the coagulation barrel and is connected with the output end of the speed reducer, a mechanical sealing element is arranged at the contact position of the, the feed hopper passes through mount fixed mounting in the bucket top region that congeals, the filling tube communicates with material bottom of the barrel portion to be provided with the second ooff valve on the filling tube, the overflow pipe input communicates with the upper half region of the bucket right side wall that congeals.
Further, the sludge treatment system comprises a dewatering box, a sealing cover, a left filter plate, a right filter plate, an air cylinder, a telescopic rod, two groups of liquid outlet pipes, a plurality of groups of supporting legs and a blocking cover, wherein a dewatering cavity is arranged in the dewatering box, a cleaning port is arranged at the top of the dewatering box, a material outlet is arranged in the left half area of the bottom of the dewatering box, the cleaning port and the material outlet are communicated with the dewatering cavity, the plurality of groups of supporting legs are all arranged at the bottom of the dewatering box, the sealing cover is arranged at the top of the dewatering box, the left filter plate is longitudinally arranged in the left half area of the dewatering box, the right filter plate is positioned in the right half area of the dewatering box, a fixing hole is arranged on the right side wall of the dewatering box, the air cylinder is arranged at the fixing hole, two ends of the telescopic rod are respectively connected with the output end of, the baffle cover is arranged at the discharge port, the output ends of the two groups of liquid outlet pipes are respectively communicated with the left end and the right end of the bottom of the dewatering box, a feed hole is formed in the sealing cover, the output ends of the discharging pipes are fixedly arranged at the feed hole, and sealing gaskets are arranged at the top of the left filter plate and the edge area of the right filter plate.
Further, the disinfection system comprises a disinfection tank, a temporary storage tank, a plurality of groups of communication pipes, a fixed shaft, a base, a positioning plate, a transparent quartz tube, an ultraviolet germicidal lamp, two groups of lamp holders, a rotating handle, a fixed rod and a cleaning sponge, wherein the temporary storage tank is positioned in the area above the disinfection tank and is connected with the disinfection tank through two groups of support rods, the top ends of the plurality of groups of communication pipes are communicated with the bottom of the temporary storage tank, the bottom ends of the plurality of groups of communication pipes extend into the disinfection tank, the plurality of groups of communication pipes are provided with control valves, the output end of the overflow pipe is communicated with the left side wall of the disinfection tank, the right half area in the disinfection tank is provided with a fixed groove, the bottom end of the fixed shaft is inserted into the fixed groove, a ball bearing is arranged between the fixed shaft and the inner wall of the fixed groove, the, the utility model discloses a disinfection pond, including top plate, ultraviolet germicidal lamp, rotatory handle, dead lever, cleaning sponge, top plate, bottom of washing pond right side wall, the bottom intercommunication of top plate bottom and base is installed respectively to two sets of lamp stands, ultraviolet germicidal lamp is located the transparent quartz capsule to the ultraviolet germicidal lamp both ends are connected with two sets of lamp stands respectively, rotatory handle is installed at the locating plate top, the bottom is installed in the disinfection pond bottom, cleaning sponge installs on the dead lever to cleaning sponge and transparent quartz capsule outer wall contact, washing pond right side wall bottom intercommunication are.
Further, odor treatment system includes processing bucket, multiunit exhaust tube, multiunit aspirator and multiunit transmission pump, multiunit exhaust tube input communicates with multiunit aspirator respectively to the multiunit exhaust tube all communicates with the processing bucket, be provided with two sets of nets that separate in the processing bucket, it has the adsorption packing to fill between two sets of nets that separate, the multiunit transmission pump is installed respectively on the multiunit exhaust tube, be provided with the venthole on the multiunit processing bucket.
The invention relates to a medical sewage treatment method, which comprises the following steps:
s1, preprocessing: introducing wastewater to be treated into a filter box through a liquid feeding pipe, filtering the wastewater through a grating, separating out larger impurities, feeding the wastewater filtered by a primary grating into a regulating tank, periodically taking down a plurality of groups of fixed hooks from a plurality of groups of fixed rings, taking out the filter box and the grating and cleaning the filter box and the grating;
s2, solid-liquid separation: pumping the wastewater in the adjusting tank out under the action of a water pump and guiding the wastewater into a coagulation barrel, simultaneously opening a second switch valve, enabling a flocculating agent in the material barrel to enter the coagulation barrel through a charging pipe, driving a transmission shaft to drive a stirring blade to rotate after the power output by a motor is reduced through a speed reducer, enabling the flocculating agent to be fully contacted with the wastewater, carrying out coagulation and flocculation reaction with impurities in the wastewater to produce floc alum flocs, sinking the floc flocs into a mud bucket under the action of gravity, and enabling supernatant to flow out through an overflow pipe;
s3, sludge dewatering treatment: the sludge dewatering device comprises a sludge hopper, a sludge pump, a control cylinder, a telescopic rod, a baffle cover, a sludge pump, a sludge dewatering box and a sludge discharging system, wherein the sludge hopper is arranged in the sludge hopper, the sludge hopper is arranged in the sludge dewatering box, the sludge pump is arranged in the sludge dewatering box, the sludge dewatering box is arranged in the sludge dewatering box, and the sludge pump is arranged in the sludge dewatering box;
s4, disinfection treatment: the supernatant guided out by the overflow pipe enters the disinfection tank along the overflow pipe, in the flowing process of the supernatant, a control valve is opened, sodium hypochlorite in the temporary storage tank is uniformly guided into wastewater to be disinfected through a plurality of groups of communicating pipes, the ultraviolet germicidal lamp is electrified to emit ultraviolet rays, the wastewater in the disinfection tank is further disinfected, in the treatment process, the rotating handle is periodically rotated to enable the transparent quartz tube to rotate and uniformly contact with the cleaning sponge, the surface of the transparent quartz tube is cleaned, the surface cleanliness of the transparent quartz tube is improved, and the disinfected wastewater is discharged through a discharge pipe;
s5, odor treatment: leading the odor in each link into a treatment barrel through an exhaust hood and an exhaust pipe under the action of a transfer pump, carrying out adsorption treatment on the odor through adsorption filler in the treatment barrel, and discharging the treated gas through an air outlet.
Compared with the prior art, the invention has the beneficial effects that: the invention firstly adopts the grating to intercept larger impurities in the sewage system, prevents the blockage of subsequent pipelines and equipment, ensures the normal operation of the system, can temporarily store the wastewater through the regulating tank, keeps the sewage treatment system continuous and stable, ensures the water quantity pumped by the water suction pump, avoids larger fluctuation of the water quantity, regulates the water quantity and homogenizes the water quality, enters the pretreated wastewater into the coagulation tank for coagulation sedimentation treatment, improves the contact uniformity through the rotation of the stirring blades, facilitates the sedimentation of the impurities, discharges supernatant liquid through the overflow pipe, enters the disinfection tank, thoroughly disinfects the wastewater under the combined action of sodium hypochlorite and ultraviolet rays, discharges the disinfected wastewater through the discharge pipe, periodically pumps out sediments in the mud bucket through the mud pump and guides the sediments into the dehydration tank for extrusion dehydration, thereby effectively reducing the water content in the mud, the water of extruding can also be discharged and flow back to the equalizing basin through two sets of drain pipes, and the mud after the dehydration is regularly discharged and is dealt with outward transportation, avoids secondary pollution to can conveniently handle medical sewage, improve treatment effect and treatment effeciency, shorten treatment time, improve disinfection effect, reduce the influence to the surrounding environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
in the drawings, the reference numbers: 1. a regulating tank; 2. a filter box; 3. a grid; 4. a top plate; 5. a positioning frame; 6. a positioning ring; 7. a connecting chain; 8. a fixed hook; 9. a fixing ring; 10. a liquid feeding pipe; 11. a water pumping pipe; 12. a water pump; 13. a coagulation barrel; 14. a mud bucket; 15. a discharge pipe; 16. a dredge pump; 17. a material barrel; 18. a feed tube; 19. a motor; 20. a speed reducer; 21. a drive shaft; 22. stirring blades; 23. an overflow pipe; 24. a first on-off valve; 25. a mechanical seal; 26. a fixed mount; 27. a second on-off valve; 28. a dewatering box; 29. a sealing cover; 30. a left filter plate; 31. a right filter plate; 32. a cylinder; 33. a telescopic rod; 34. a liquid outlet pipe; 35. a support leg; 36. a blocking cover; 37. filtering cloth; 38. a gasket; 39. a disinfection tank; 40. a temporary storage pool; 41. a communicating pipe; 42. a fixed shaft; 43. a base; 44. positioning a plate; 45. a transparent quartz tube; 46. an ultraviolet germicidal lamp; 47. a lamp socket; 48. rotating the handle; 49. fixing the rod; 50. cleaning the sponge; 51. a control valve; 52. a discharge pipe; 53. a treatment barrel; 54. an air exhaust pipe; 55. an air draft cover; 56. a transfer pump; 57. separating the net; 58. adsorbing the filler.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The method is used for detecting the wastewater discharged by the maternal and child health care hospital, and has the following specific indexes:
| pollution index | Quality of water |
| CODcr mg/L | 300 |
| BOD5 mg/L | 100 |
| SS mg/L | 120 |
| Ammonia nitrogen mg/ |
40 |
| Coliform-like bacteria group number (number/L) | 46000 |
| pH | 4.5-7 |
The wastewater is treated by adopting the equipment of the invention: the medical sewage treatment device comprises a pretreatment system, a solid-liquid separation system, a sludge treatment system, a disinfection system and an odor treatment system, wherein the pretreatment system is communicated with the stationary liquid separation system;
the pretreatment system comprises a regulating tank 1, a filter tank 2, a grating 3, a top plate 4, a plurality of groups of positioning frames 5, positioning rings 6, a plurality of groups of connecting chains 7, a plurality of groups of fixing hooks 8, a plurality of groups of fixing rings 9, a liquid feeding pipe 10, a water pumping pipe 11 and a water pump 12, wherein two ends of the plurality of groups of positioning frames 5 are respectively connected with the top plate 4 and the top of the regulating tank 1, the positioning rings 6 are arranged at the bottom of the top plate 4, two ends of the plurality of groups of connecting chains 7 are respectively connected with the positioning rings 6 and the plurality of groups of hooks, the plurality of groups of fixing rings 9 are all arranged at the top of the filter tank 2, a filter cavity is arranged in the filter tank 2, a liquid inlet and a liquid outlet are respectively communicated with the top and the bottom of the filter tank 2, the grating 3 is obliquely arranged at the bottom in the filter tank 2, the plurality of groups of fixing hooks 8 are respectively hooked, the input end of the water pumping pipe 11 penetrates through the upper half area of the right side wall of the adjusting tank 1 and extends into the lower half area of the adjusting tank 1, and the water pumping pump 12 is installed on the water pumping pipe 11.
The solid-liquid separation system comprises a coagulation barrel 13, a mud bucket 14, a discharge pipe 15, a mud pump 16, a material barrel 17, a feeding pipe 18, a motor 19, a speed reducer 20, a transmission shaft 21, a plurality of groups of stirring blades 22 and an overflow pipe 23, wherein the top of the coagulation barrel 13 is provided with an opening, the mud bucket 14 is communicated with the bottom of the coagulation barrel 13, the input end of the discharge pipe 15 is communicated with the bottom of the mud bucket 14, the mud pump 16 is arranged on the discharge pipe 15, the discharge pipe 15 is provided with a first switch valve 24, the output end of a water pumping pipe 11 is communicated with the lower half area of the coagulation barrel 13, the motor 19 is arranged at the input end of the speed reducer 20, the speed reducer 20 is arranged on the right side wall of the coagulation barrel 13, the transmission shaft 21 is positioned in the coagulation barrel 13, the right end of the transmission shaft 21 passes through the right side wall of the coagulation barrel 13 and is connected with the output end, and the multiple groups of stirring blades 22 are all positioned in the coagulation barrel 13, the charging hopper is fixedly arranged in the upper area of the coagulation barrel 13 through a fixing frame 26, the charging pipe 18 is communicated with the bottom of the material barrel 17, a second switch valve 27 is arranged on the charging pipe 18, and the input end of the overflow pipe 23 is communicated with the upper half area of the right side wall of the coagulation barrel 13.
The sludge treatment system comprises a dewatering box 28, a sealing cover 29, a left filter plate 30, a right filter plate 31, an air cylinder 32, an expansion link 33, two groups of liquid outlet pipes 34, a plurality of groups of supporting legs 35 and a baffle cover 36, wherein a dewatering cavity is arranged in the dewatering box 28, a cleaning port is arranged at the top of the dewatering box 28, a discharge port is arranged in the left half area at the bottom of the dewatering box 28, the cleaning port and the discharge port are communicated with the dewatering cavity, the plurality of groups of supporting legs 35 are all arranged at the bottom of the dewatering box 28, the sealing cover 29 is arranged at the top of the dewatering box 28, the left filter plate 30 is longitudinally arranged in the left half area of the dewatering box 28, the right filter plate 31 is positioned in the right half area of the dewatering box 28, a fixing hole is arranged on the right side wall of the dewatering box 28, the air cylinder 32 is arranged at the fixing hole, two ends of the expansion link 33 are, the baffle cover 36 is arranged at the discharge port, the output ends of the two groups of liquid outlet pipes 34 are respectively communicated with the left end and the right end of the bottom of the dewatering box 28, the sealing cover 29 is provided with a feed hole, the output end of the discharging pipe 15 is fixedly arranged at the feed hole, and the top of the left filter plate 30 and the edge area of the right filter plate 31 are both provided with sealing gaskets 38.
The disinfection system comprises a disinfection tank 39, a temporary storage tank 40, a plurality of groups of communicating pipes 41, a fixed shaft 42, a base 43, a positioning plate 44, a transparent quartz pipe 45, an ultraviolet germicidal lamp 46, two groups of lamp holders 47, a rotating handle 48, a fixed rod 49 and a cleaning sponge 50, wherein the temporary storage tank 40 is positioned in the area above the disinfection tank 39, the temporary storage tank 40 is connected with the disinfection tank 39 through two groups of supporting rods, the top ends of the plurality of groups of communicating pipes 41 are communicated with the bottom of the temporary storage tank 40, the bottom ends of the plurality of groups of communicating pipes 41 extend into the disinfection tank 39, a control valve 51 is arranged on each group of communicating pipes 41, the output end of an overflow pipe 23 is communicated with the left side wall of the disinfection tank 39, a fixed groove is arranged in the right half area in the disinfection tank 39, the bottom end of the fixed shaft 42 is inserted into the fixed groove, a ball bearing is arranged between the fixed shaft 42 and, two sets of lamp holders 47 are installed respectively in roof 4 bottom and base 43 top, and sterilamp 46 is located transparent quartz capsule 45 to sterilamp 46 both ends are connected with two sets of lamp holders 47 respectively, and rotatory handle 48 is installed at locating plate 44 top, and the bottom is installed at disinfection pond 39 bottom to dead lever 49, and cleaning sponge 50 installs on dead lever 49, and cleaning sponge 50 and the contact of transparent quartz capsule 45 outer wall, washs pond right side wall bottom intercommunication and is provided with discharge pipe 52.
The odor treatment system comprises a treatment barrel 53, a plurality of groups of extraction pipes 54, a plurality of groups of suction hoods 55 and a plurality of groups of transmission pumps 56, wherein the input ends of the plurality of groups of extraction pipes 54 are respectively communicated with the plurality of groups of suction hoods 55, the plurality of groups of extraction pipes 54 are respectively communicated with the treatment barrel 53, two groups of separation nets 57 are arranged in the treatment barrel 53, adsorption filler 58 is filled between the two groups of separation nets 57, the plurality of groups of transmission pumps 56 are respectively arranged on the plurality of groups of extraction pipes 54, and air outlets are arranged on the plurality of groups.
When the processing device of the invention is adopted for processing, the processing method comprises the following steps:
s1, preprocessing: leading wastewater to be treated into a filter box 2 through a liquid feeding pipe 10, filtering the wastewater through a grating 3, separating out larger impurities, feeding the wastewater filtered by a primary grating 3 into a regulating tank 1, periodically taking down a plurality of groups of fixing hooks 8 from a plurality of groups of fixing rings 9, taking out the filter box 2 and the grating 3 and cleaning the filter box and the grating;
s2, solid-liquid separation: pumping the wastewater in the adjusting tank out under the action of a water pump 12 and guiding the wastewater into a coagulation barrel 13, simultaneously opening a second switch valve 27, enabling a flocculating agent in a material barrel 17 to enter the coagulation barrel 13 through a feeding pipe 18, reducing the speed of power output by a motor 19 through a speed reducer 20, driving a stirring blade 22 to rotate by a transmission shaft 21 so as to enable the flocculating agent to fully contact with the wastewater, carrying out coagulation and flocculation reactions with impurities and the like in the wastewater to produce floc alum flocs, sinking the floc alum flocs into a mud bucket 14 under the action of gravity, and enabling supernatant to flow out through an overflow pipe;
s3, sludge dewatering treatment: the first switch valve 24 is opened periodically, the sediment in the mud bucket 14 is pumped out and guided into the dewatering box 28 under the action of the mud pump 16, when the amount of sludge in the dewatering box 28 is large, the mud pump 16 and the first switch valve 24 are closed, meanwhile, the telescopic rod 33 drives the right filter plate 31 to move leftwards through the control cylinder 32, the sludge in the dewatering box 28 is squeezed and dewatered under the combined action of the left filter plate 30 and the right filter plate 31, the dewatered moisture is discharged through the two sets of air outlet pipes, after the sludge dewatering is finished, the cylinder 32 is controlled to reset the right filter plate 31, the blocking cover 36 is opened, the dewatered sludge cake is discharged, the sludge cake is transported and disposed outside periodically, and secondary pollution is avoided;
s4, disinfection treatment: the supernatant guided out by the overflow pipe enters the disinfection tank 39 along the overflow pipe, in the flowing process of the supernatant, a control valve 51 is opened, sodium hypochlorite in the temporary storage tank 40 is uniformly guided into wastewater to be disinfected through a plurality of groups of communicating pipes 41, an ultraviolet germicidal lamp 46 is electrified to emit ultraviolet rays, the wastewater in the disinfection tank 39 is further disinfected, in the treatment process, a rotary handle 48 is periodically rotated, the transparent quartz tube 45 is rotated and uniformly contacted with a cleaning sponge 50, the surface of the transparent quartz tube 45 is cleaned, the surface cleanliness of the transparent quartz tube 45 is improved, and the disinfected wastewater is discharged through a discharge pipe 52;
s5, odor treatment: the odor in each step is introduced into the treatment barrel 53 through the suction hood 55 and the suction pipe 54 by the transfer pump 56, and the odor is adsorbed by the adsorbing filler 58 in the treatment barrel 53, and the treated gas is discharged through the outlet hole.
The specific indexes of the treated and discharged water after detection are as follows:
| pollution index | Quality of water |
| CODcr mg/L | 26 |
| BOD5 mg/ |
12 |
| SS mg/ |
8 |
| Ammonia nitrogen mg/L | - |
| Coliform-like bacteria group number (number/L) | ＜100 |
| |
7～8 |
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a medical sewage treatment plant, its characterized in that includes pretreatment systems, solid-liquid separation system, sludge treatment system, disinfection system and odor treatment system, pretreatment systems and stationary liquid separation system intercommunication, sludge treatment system and disinfection system all communicate with solid-liquid separation system, odor treatment system and pretreatment systems, solid-liquid separation system, disinfection system and sludge treatment system intercommunication.
2. The medical sewage treatment device according to claim 1, wherein the pretreatment system comprises a regulating reservoir (1), a filter tank (2), a grating (3), a top plate (4), a plurality of sets of positioning frames (5), positioning rings (6), a plurality of sets of connecting chains (7), a plurality of sets of fixing hooks (8), a plurality of sets of fixing rings (9), a liquid feeding pipe (10), a water pumping pipe (11) and a water pumping pump (12), wherein two ends of the plurality of sets of positioning frames (5) are respectively connected with the top plate (4) and the top of the regulating reservoir (1), the positioning rings (6) are arranged at the bottom of the top plate (4), two ends of the plurality of sets of connecting chains (7) are respectively connected with the positioning rings (6) and the plurality of sets of hooks, the plurality of sets of fixing rings (9) are all arranged at the top of the filter tank (2), a filter cavity is arranged in the filter tank (2), and a liquid inlet and a liquid, the bottom in rose box (2) is installed in grid (3) slant, multiunit fixed hook (8) are geted in touch respectively to the solid fixed ring of multiunit (9) on, liquid feeding pipe (10) output passes equalizing basin (1) left side wall first region and stretches into in equalizing basin (1) to liquid feeding pipe (10) output is located rose box (2) top region, suction pipe (11) input passes equalizing basin (1) right side wall first region and stretches into to equalizing basin (1) in first region down, suction pump (12) are installed on suction pipe (11).
3. The medical sewage treatment device according to claim 2, wherein the solid-liquid separation system comprises a coagulation barrel (13), a hopper (14), a discharge pipe (15), a dredge pump (16), a material barrel (17), a feeding pipe (18), a motor (19), a speed reducer (20), a transmission shaft (21), a plurality of groups of stirring blades (22) and an overflow pipe (23), the top of the coagulation barrel (13) is provided with an opening, the hopper (14) is communicated with the bottom of the coagulation barrel (13), the input end of the discharge pipe (15) is communicated with the bottom of the hopper (14), the dredge pump (16) is installed on the discharge pipe (15), a first switch valve (24) is arranged on the discharge pipe (15), the output end of the pumping pipe (11) is communicated with the lower half area of the coagulation barrel (13), the motor (19) is installed at the input end of the speed reducer (20), and the speed reducer (20) is installed on the right side wall of the coagulation barrel (13), the transmission shaft (21) is arranged in the coagulation barrel (13), the right end of the transmission shaft (21) penetrates through the right side wall of the coagulation barrel (13) and is connected with the output end of the speed reducer (20), a mechanical sealing element (25) is arranged at the contact position of the transmission shaft (21) and the right side wall of the coagulation barrel (13), a plurality of groups of stirring blades (22) are arranged on the transmission shaft (21), the plurality of groups of stirring blades (22) are arranged in the coagulation barrel (13), the charging hopper is fixedly arranged in the upper area of the coagulation barrel (13) through a fixing frame (26), the charging pipe (18) is communicated with the bottom of the material barrel (17), a second switch valve (27) is arranged on the charging pipe (18), and the input end of the overflow pipe (23) is communicated with the upper half area of the right side wall of the coagulation barrel (.
4. The medical wastewater treatment apparatus according to claim 3, wherein the sludge treatment system comprises a dewatering box (28), a sealing cover (29), a left filter plate (30), a right filter plate (31), a cylinder (32), an expansion link (33), two sets of drain pipes (34), a plurality of sets of legs (35) and a baffle cover (36), a dewatering chamber is arranged in the dewatering box (28), a cleaning port is arranged at the top of the dewatering box (28), a discharge port is arranged at the left half area of the bottom of the dewatering box (28), the cleaning port and the discharge port are both communicated with the dewatering chamber, the plurality of sets of legs (35) are both arranged at the bottom of the dewatering box (28), the sealing cover (29) is arranged at the top of the dewatering box (28), the left filter plate (30) is longitudinally arranged at the left half area of the dewatering box (28), the right filter plate (31) is arranged at the right half area of the dewatering box (28), be provided with the fixed orifices on dewatering box (28) right side wall, cylinder (32) are installed in fixed orifices department, telescopic link (33) both ends are connected with cylinder (32) output and right filter (31) respectively, be provided with two sets of filter cloth (37) on left side filter (30) right side wall and the right filter (31) left side wall respectively, keep off lid (36) and install in discharge gate department, both ends intercommunication about two sets of drain pipes (34) output respectively with dewatering box (28) bottom, be provided with the feed port on sealed lid (29), arrange material pipe (15) output end fixed mounting in feed port department, left side filter (30) top and right filter (31) edge region all are provided with sealed pad (38).
5. The medical sewage treatment device according to claim 4, wherein the disinfection system comprises a disinfection tank (39), a temporary storage tank (40), a plurality of sets of communication pipes (41), a fixed shaft (42), a base (43), a positioning plate (44), a transparent quartz tube (45), an ultraviolet germicidal lamp (46), two sets of lamp holders (47), a rotating handle (48), a fixed rod (49) and a cleaning sponge (50), the temporary storage tank (40) is located in the upper area of the disinfection tank (39), the temporary storage tank (40) is connected with the disinfection tank (39) through two sets of supporting rods, the top ends of the plurality of sets of communication pipes (41) are communicated with the bottom of the temporary storage tank (40), the bottom ends of the plurality of sets of communication pipes (41) extend into the disinfection tank (39), the plurality of sets of communication pipes (41) are provided with control valves (51), the output end of the overflow pipe (23) is communicated with the left side wall of the disinfection tank (39), a fixing groove is formed in the right half area in the disinfection tank (39), the bottom end of the fixing shaft (42) is inserted into the fixing groove, a ball bearing is arranged between the fixing shaft (42) and the inner wall of the fixing groove, the top end of the fixing shaft (42) is connected with the base (43), two ends of the transparent quartz tube (45) are detachably connected with the bottom of the positioning plate (44) and the top of the base (43) respectively, the two groups of lamp holders (47) are installed at the bottom of the top plate (4) and the top of the base (43) respectively, the ultraviolet sterilizing lamp (46) is located in the transparent quartz tube (45), two ends of the ultraviolet sterilizing lamp (46) are connected with the two groups of lamp holders (47) respectively, the rotating handle (48) is installed at the top of the positioning plate (44), the bottom end of the fixing rod (49) is installed at the inner bottom of the disinfection tank (39, and the cleaning sponge (50) is contacted with the outer wall of the transparent quartz tube (45), and the bottom of the right side wall of the cleaning pool is communicated with a discharge pipe (52).
6. The medical sewage treatment device according to claim 4, wherein the odor treatment system comprises a treatment barrel (53), a plurality of sets of air extraction pipes (54), a plurality of sets of suction hoods (55), and a plurality of sets of transmission pumps (56), wherein the input ends of the plurality of sets of air extraction pipes (54) are respectively communicated with the plurality of sets of suction hoods (55), the plurality of sets of air extraction pipes (54) are respectively communicated with the treatment barrel (53), two sets of partition nets (57) are arranged in the treatment barrel (53), adsorption packing (58) is filled between the two sets of partition nets (57), the plurality of sets of transmission pumps (56) are respectively arranged on the plurality of sets of air extraction pipes (54), and air outlet holes are arranged on the plurality of sets of treatment barrel (53).
7. The medical sewage treatment method according to claims 1 to 6, comprising the steps of:
s1, preprocessing: the method comprises the following steps of (1) introducing wastewater to be treated into a filter box (2) through a liquid adding pipe (10), filtering the wastewater through a grating (3), separating out larger impurities, feeding the wastewater filtered by a primary grating (3) into a regulating tank (1), periodically taking down a plurality of groups of fixing hooks (8) from a plurality of groups of fixing rings (9), taking out the filter box (2) and the grating (3) and cleaning the filter box and the grating;
s2, solid-liquid separation: pumping the wastewater in the adjusting tank out under the action of a water pump (12) and guiding the wastewater into a coagulation barrel (13), simultaneously opening a second switch valve (27), enabling a flocculating agent in a material barrel (17) to enter the coagulation barrel (13) through a feeding pipe (18), enabling a transmission shaft (21) to drive a stirring blade (22) to rotate when power output by a motor (19) is decelerated through a speed reducer (20), enabling the flocculating agent to be fully contacted with the wastewater, carrying out coagulation flocculation reaction with impurities and the like in the wastewater to produce floc alum flocs, sinking the floc;
s3, sludge dewatering treatment: the method comprises the steps that a first switch valve (24) is opened periodically, sediment in a mud bucket (14) is pumped out and guided into a dewatering box (28) under the action of a mud pump (16), when the amount of sludge in the dewatering box (28) is large, the mud pump (16) and the first switch valve (24) are closed, meanwhile, a telescopic rod (33) drives a right filter plate (31) to move leftwards through a control cylinder (32), the sludge in the dewatering box (28) is squeezed and dewatered under the combined action of a left filter plate (30) and the right filter plate (31), the dewatered moisture is discharged through two sets of air outlet pipes, after the sludge is dewatered, the cylinder (32) is controlled to reset the right filter plate (31), a blocking cover (36) is opened, the dewatered sludge cake is discharged periodically, the sludge cake is transported and disposed, and secondary pollution is avoided;
s4, disinfection treatment: supernatant guided out by the overflow pipe enters a disinfection tank (39) along the overflow pipe, in the flowing process of the supernatant, a control valve (51) is opened, sodium hypochlorite in a temporary storage tank (40) is uniformly guided into wastewater to be disinfected through a plurality of groups of communicating pipes (41), an ultraviolet sterilizing lamp (46) is electrified to emit ultraviolet rays, the wastewater in the disinfection tank (39) is further disinfected, in the treatment process, a rotary handle (48) is periodically rotated to ensure that a transparent quartz tube (45) rotates and uniformly contacts with a cleaning sponge (50), the surface of the transparent quartz tube (45) is cleaned, the surface cleanliness of the transparent quartz tube (45) is improved, and the disinfected wastewater is discharged through a discharge pipe (52);
s5, odor treatment: the odor in each link is introduced into the treatment barrel (53) through the air draft cover (55) and the air draft pipe (54) under the action of the transfer pump (56), the odor is adsorbed by the adsorption filler (58) in the treatment barrel (53), and the treated gas is discharged through the air outlet.
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|---|---|---|---|
| CN202010850928.4A CN111908685A (en) | 2020-08-21 | 2020-08-21 | Medical sewage treatment device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371897A (en) * | 2021-07-16 | 2021-09-10 | 张玉玲 | Environment-friendly medical wastewater deep disinfection and sterilization device with controllable residual chlorine |
| CN114620910A (en) * | 2022-04-28 | 2022-06-14 | 浙江迈图环保科技有限公司 | Dyeing alkali decrement sewage treatment process |
| CN115196778A (en) * | 2022-04-20 | 2022-10-18 | 广西建工科净源生态环保产业投资有限公司 | Infectious medical wastewater pre-disinfection method and system |
-
2020
- 2020-08-21 CN CN202010850928.4A patent/CN111908685A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371897A (en) * | 2021-07-16 | 2021-09-10 | 张玉玲 | Environment-friendly medical wastewater deep disinfection and sterilization device with controllable residual chlorine |
| CN113371897B (en) * | 2021-07-16 | 2022-08-30 | 张玉玲 | Environment-friendly medical wastewater deep disinfection and sterilization device with controllable residual chlorine |
| CN115196778A (en) * | 2022-04-20 | 2022-10-18 | 广西建工科净源生态环保产业投资有限公司 | Infectious medical wastewater pre-disinfection method and system |
| CN115196778B (en) * | 2022-04-20 | 2023-08-15 | 广西建工科净源生态环保产业投资有限公司 | Method and system for pre-sterilizing infectious medical wastewater |
| CN114620910A (en) * | 2022-04-28 | 2022-06-14 | 浙江迈图环保科技有限公司 | Dyeing alkali decrement sewage treatment process |
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