CN212559851U - Non-infectious medical wastewater treatment and recycling system - Google Patents
Non-infectious medical wastewater treatment and recycling system Download PDFInfo
- Publication number
- CN212559851U CN212559851U CN202020732341.9U CN202020732341U CN212559851U CN 212559851 U CN212559851 U CN 212559851U CN 202020732341 U CN202020732341 U CN 202020732341U CN 212559851 U CN212559851 U CN 212559851U
- Authority
- CN
- China
- Prior art keywords
- tank
- sludge
- microfiltration
- treatment
- medical wastewater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 208000015181 infectious disease Diseases 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000001471 micro-filtration Methods 0.000 claims abstract description 31
- 239000010802 sludge Substances 0.000 claims abstract description 25
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 21
- 230000007062 hydrolysis Effects 0.000 claims abstract description 19
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 230000002458 infectious effect Effects 0.000 claims abstract description 13
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- 230000020477 pH reduction Effects 0.000 claims abstract description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 239000008213 purified water Substances 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000012510 hollow fiber Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002906 medical waste Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a non-infectious medical wastewater treatment and recycling system, which comprises a pretreatment section, a biochemical treatment section, an advanced treatment section and a sludge treatment system, wherein the pretreatment section comprises a grid channel and a regulating tank which are connected in sequence; the biochemical treatment section comprises a sludge pump, a hydrolysis acidification tank and a contact oxidation tank which are connected in sequence; the advanced treatment section comprises a feeding pump, a microfiltration device, an ultrafiltration device, a disinfection device and a clean water tank which are connected in sequence; the concentrated water port of the micro-filtration device is connected with the sludge tank and the hydrolysis acidification tank, and the micro-filtration water purification port is connected with the ultra-filtration water inlet of the ultra-filtration device; the sludge treatment system comprises a sludge pool and a sludge dewatering machine. The system has the advantages of small occupied area, simple process flow and capability of realizing recycling of medical wastewater.
Description
Technical Field
The utility model relates to a sewage treatment device, in particular to a non-infectious medical wastewater treatment and recycling system, which belongs to the field of environmental protection equipment.
Background
With the improvement of the living standard of the national people in China, medical institutions related to the life health of the national people are rapidly developed in recent years. The medical wastewater is wastewater generated by health institutions engaged in disease diagnosis and treatment activities, comprises hospitals, health homes, nursing homes and the like, has the characteristics of containing a plurality of treatment bacteria and large water quality fluctuation, and is classified into infectious medical wastewater and non-infectious medical wastewater according to whether the structure infectious diseases of the medical institutions exist.
The prior art is mainly to satisfy the requirement of discharge to reach standard to medical waste water treatment, for example publication No. CN 208829504 discloses a medical waste water treatment system, including grid well, equalizing basin, hydrolysis acidification tank, contact oxidation pond, sedimentation tank, contact disinfection pond and mud disinfection concentration tank, and this scheme can be discharged after handling waste water to the preliminary treatment standard in medical institution water pollution discharge standard (GB 18466-2005), but this scheme area is big, handles the fluctuation of water quality big, can not recycle the water resource.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-infectious medical wastewater treatment and recycling system that area is little, simple process, the device have solved among the prior art problem of handling unstable, the area is big, be difficult to the retrieval and utilization waste water of quality of water.
The technical problem of the present invention is mainly solved by the following technical solutions.
A non-infectious medical wastewater treatment and recycling system comprises a pretreatment section, a biochemical treatment section, an advanced treatment section and a sludge treatment system;
the pretreatment section comprises a grating channel (1) and an adjusting tank (3) which are connected in sequence and is connected with the water inlet through the grating channel (1); a mechanical grating (2) is arranged in the grating channel (1);
the biochemical treatment section comprises a sludge pump (4) connected with the regulating tank (3), and a hydrolysis acidification tank (5) and a contact oxidation tank (8) which are connected in sequence; the bottom of the hydrolysis acidification tank (5) is provided with a water distribution device (6), and the middle part is provided with a hydrolysis tank filler (7); an aeration system (9) is arranged at the bottom of the contact oxidation tank (8), and an aerobic tank filler (10) is arranged in the middle of the contact oxidation tank;
the advanced treatment section comprises a feed pump (11) connected with the contact oxidation tank (8), and a microfiltration device (12), an ultrafiltration device (13), a disinfection device (15) and a clean water tank (16) which are connected in sequence; a microfiltration concentrated water gap (122) of the microfiltration device (12) is connected with the sludge tank (17) and the hydrolysis acidification tank (5), and a microfiltration purified water gap (123) is connected with a water inlet of the ultrafiltration device (13); the ultrafiltration device (13) is connected with the regulating tank (3); a dosing device (14) is arranged between the microfiltration device (12) and the ultrafiltration device (13);
the sludge treatment system comprises a sludge pool (17) and a sludge dewatering machine (18).
Preferably, the non-infectious medical wastewater treatment and recycling system is characterized in that the hydrolysis tank filler (7) and the aerobic tank filler (10) are combined fillers.
Preferably, the microfiltration device (12) is an internal pressure tubular microfiltration membrane module.
Preferably, the ultrafiltration device (13) is an external pressure type hollow fiber membrane module.
Preferably, the disinfection device (15) is an ultraviolet disinfection device.
The utility model has the advantages that: the external microfiltration membrane is adopted to replace the traditional sedimentation tank, so that the occupied area can be greatly reduced; the combination of the microfiltration device and the ultrafiltration device can ensure that the effluent is stable and the water quality can meet the recycling requirement; meanwhile, the system has the advantages of simple process flow, low energy consumption and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the microfiltration device of the present invention.
The labels in the figures are: 1-a grid channel, 2-a mechanical grid, 3-a regulating tank, 4-a lift pump, 5-a hydrolysis acidification tank, 6-a water distribution device, 7-a hydrolysis tank filler, 8-a contact oxidation tank, 9-an aeration system, 10-an aerobic tank filler, 11-a feed pump, 12-a microfiltration device, 13-an ultrafiltration device, 14-a dosing device, 15-a disinfection device, 16-a clean water tank, 17-a sludge tank and 18-a dehydration system.
121-a micro-filtration water inlet, 122-a micro-filtration concentrated water inlet and 123-a micro-filtration water purifying outlet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to the attached drawings 1 and 2, a non-infectious medical wastewater treatment and recycling system comprises a pretreatment section, a biochemical treatment section, an advanced treatment section and a sludge treatment system;
when the system is used, medical wastewater firstly enters the grid channel 1, and enters the regulating tank 3 after larger medical garbage and belt-shaped objects in the wastewater are removed by the mechanical grid 2, the regulating tank 3 mixes water quality and water quantity at different times and then conveys the mixed water to the hydrolysis acidification tank 5 by the lift pump 4, the wastewater is uniformly distributed in the hydrolysis acidification tank 5 by the water distribution device 6, and macromolecular pollutants in the wastewater are decomposed into micromolecular substances under the action of microorganisms in the hydrolysis tank filler 7 and enter the contact oxidation tank 8; the aeration system 9 provides a large amount of oxygen and under the action of aerobic microorganisms in the aerobic pool filler 10, micromolecular organic matters in the wastewater are rapidly decomposed, and the effect of removing organic pollutants in the wastewater is achieved; the wastewater in the contact oxidation tank 8 is conveyed to a microfiltration water inlet 121 by a feed pump 11, the microfiltration membrane adopts an internal pressure tubular membrane component, the blockage is resisted, the sludge and impurities in the wastewater are intercepted under the action of the microfiltration membrane, the wastewater is discharged out of a microfiltration device 12 through a microfiltration concentrated water inlet 122, part of the concentrated water is discharged to a sludge tank 17, the rest of the concentrated water flows back to a hydrolysis acidification tank 5, the purified water passing through the microfiltration membrane is conveyed to an ultrafiltration device 13 through a microfiltration water purifying port 123, a dosing device 14 is arranged in front of the ultrafiltration device 13, the ultrafiltration device 13 adopts an external pressure type hollow fiber membrane component, the wastewater which cannot pass through the ultrafiltration membrane in the wastewater flows back to a regulating tank 3, the purified water passing through the ultrafiltration membrane is conveyed to a disinfection device 15 through a purified water port of the ultrafiltration device 13, the water quality reaches the urban miscellaneous water quality standard (GB/T18920-2002) after being disinfected by ultraviolet, the reuse water can be used for toilet flushing and greening. Sludge in the sludge tank 17 is dewatered by a sludge dewatering machine 18 and then is transported to an outside for disposal.
The foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, equivalent substitutes or obvious modifications may be made without departing from the spirit of the invention, and the same properties or uses are deemed to be within the scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a non-infectious medical wastewater handles and recycling system, includes pretreatment segment, biochemical treatment section, advanced treatment section and sludge treatment system, its characterized in that:
the pretreatment section comprises a grating channel (1) and an adjusting tank (3) which are connected in sequence and is connected with the water inlet through the grating channel (1); a mechanical grating (2) is arranged in the grating channel (1);
the biochemical treatment section comprises a sludge pump (4) connected with the regulating tank (3), and a hydrolysis acidification tank (5) and a contact oxidation tank (8) which are connected in sequence; the bottom of the hydrolysis acidification tank (5) is provided with a water distribution device (6), and the middle part is provided with a hydrolysis tank filler (7); an aeration system (9) is arranged at the bottom of the contact oxidation tank (8), and an aerobic tank filler (10) is arranged in the middle of the contact oxidation tank;
the advanced treatment section comprises a feed pump (11) connected with the contact oxidation tank (8), and a microfiltration device (12), an ultrafiltration device (13), a disinfection device (15) and a clean water tank (16) which are connected in sequence; a microfiltration concentrated water gap (122) of the microfiltration device (12) is connected with the sludge tank (17) and the hydrolysis acidification tank (5), and a microfiltration purified water gap (123) is connected with a water inlet of the ultrafiltration device (13); the ultrafiltration device (13) is connected with the regulating tank (3); a dosing device (14) is arranged between the microfiltration device (12) and the ultrafiltration device (13);
the sludge treatment system comprises a sludge pool (17) and a sludge dewatering machine (18).
2. The non-infectious medical wastewater treatment and recycling system according to claim 1, wherein said hydrolysis tank packing (7) and said aerobic tank packing (10) are combined packing.
3. The non-infectious medical wastewater treatment and recycling system according to claim 1, wherein said microfiltration device (12) is an internal pressure tubular microfiltration membrane module.
4. The non-infectious medical wastewater treatment and recycling system according to claim 1, wherein said ultrafiltration device (13) is an external pressure type hollow fiber membrane module.
5. The non-infectious medical wastewater treatment and recycling system according to claim 1, wherein said disinfection device (15) is an ultraviolet disinfection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732341.9U CN212559851U (en) | 2020-05-07 | 2020-05-07 | Non-infectious medical wastewater treatment and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732341.9U CN212559851U (en) | 2020-05-07 | 2020-05-07 | Non-infectious medical wastewater treatment and recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212559851U true CN212559851U (en) | 2021-02-19 |
Family
ID=74607915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020732341.9U Expired - Fee Related CN212559851U (en) | 2020-05-07 | 2020-05-07 | Non-infectious medical wastewater treatment and recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212559851U (en) |
-
2020
- 2020-05-07 CN CN202020732341.9U patent/CN212559851U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203411434U (en) | Glyphosate pesticide wastewater treatment system | |
| CN101468863A (en) | Hospital waste water purification system | |
| CN107043199B (en) | Hospital wastewater treatment and resource recovery method | |
| WO2020238253A1 (en) | Recirculating aquaculture water treatment system integrating tailwater treatment | |
| CN203173938U (en) | Medical wastewater treatment system | |
| CN203890204U (en) | Comprehensive treatment system of medical wastewater | |
| CN108609814A (en) | Toilet fecaluria recycling treatment equipment | |
| CN209143956U (en) | A kind of AO-MBR sewage-treatment plant | |
| CN202346863U (en) | Domestic sewage treatment and reuse device | |
| CN207243677U (en) | Non-pump type depth integrated equipment for sewage treatment | |
| CN210261453U (en) | Recirculating aquaculture and tail water treatment integrated water treatment system | |
| CN205347148U (en) | Quick reuse of reclaimed water treatment facility | |
| CN212559851U (en) | Non-infectious medical wastewater treatment and recycling system | |
| CN209065651U (en) | Toilet fecaluria recycling treatment equipment | |
| CN203360232U (en) | Sewage treatment equipment for reclaimed water reuse | |
| CN212640223U (en) | High concentration excrement sewage treatment system | |
| CN208667396U (en) | A kind of MBR integrated sewage water equipment for reclaiming | |
| CN209193746U (en) | A kind of sanitary installation for realizing toilet waste resource circulation utilization | |
| CN111704268A (en) | Novel medical wastewater treatment and recycling system and method | |
| CN105271617A (en) | Internal consumption type antibiotic wastewater treatment process system | |
| CN104831696B (en) | Sewage water treatment method based on vertical partitioning | |
| CN210457873U (en) | Rural sewage treatment recovery system of new forms of energy | |
| CN109354337A (en) | A kind of culturing wastewater processing system | |
| CN103771647A (en) | Cloth art wastewater treatment method | |
| CN213537654U (en) | Aquaculture wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |