CN1451614A - Diffusionless full-sealed hospital sewage treating system - Google Patents
Diffusionless full-sealed hospital sewage treating system Download PDFInfo
- Publication number
- CN1451614A CN1451614A CN03123515A CN03123515A CN1451614A CN 1451614 A CN1451614 A CN 1451614A CN 03123515 A CN03123515 A CN 03123515A CN 03123515 A CN03123515 A CN 03123515A CN 1451614 A CN1451614 A CN 1451614A
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- Prior art keywords
- hospital
- hospital sewage
- membrane bioreactor
- fully
- membrane
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 36
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims abstract description 10
- 244000052616 bacterial pathogen Species 0.000 claims abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 241000894006 Bacteria Species 0.000 claims description 8
- 241000700605 Viruses Species 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 6
- 230000000593 degrading effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 230000002906 microbiologic effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 244000000010 microbial pathogen Species 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000032420 Latent Infection Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A fully enclosed sewage treating system for hospital is composed of the closed grate, regulating pool, efficient membrane bioreactor and broad-spectrum efficient ultraviolet disinfector. Its advantages are fully enclosing, no diffusion of pathogenic bacteria, and basically no discharge of sludge.
Description
Technical field
The invention belongs to the sewage disposal technology scope, particularly have a kind of fully-closed hospital sewage disposal system that does not have diffusion that sterilization and disinfection prevents proliferation of germs.
Background technology
Hospital sewage source and complicated component, hazardness is big, contains a large amount of pathogenetic bacterias, virus and chemical agent in the sewage, has the feature of space-pollution, acute infection and latent infection.If contain the hospital sewage of pathogenic micro-organism, enter urban sewage pipeline or environment water without disinfecting discharging, tend to cause the pollution of water body, cause various diseases and transmissible disease, the serious harm people's is healthy.Existing conventional Hospital Sewage Treatment is generally one-level materialization processing and adds the chlorination sterilization, or secondary biochemical treatment adds the chlorination sterilization, aspect hygienic safety, there are a lot of problems, such as: 1. conventional Hospital Sewage Treatment facility is in treating processes, be subjected to the restriction of technical matters, mainly be that active sludge microorganism kind and quantity are few, physics in the system, chemistry, biochemical reaction process is incomplete, and, some pathogenic micro-organisms easily discharge with water outlet, diffusion etc., make conventional sewage treatment process in the hospital sewage, the main organic pollutant and the processing efficiency of pathogenic micro-organism are not high; 2. because hospital sewage water quality is special, conventional aerobe treatment system does not have the sealing measure, the bubble that aeration oxygen supply process produces has diffuseed to form a large amount of aerosol molecules, these aerosol macromole surface attachment some pathogenic micro-organisms, diffusion is propagated in air, this causes the severe contamination to air with regard to having opened another passage for the propagation of infectivity eqpidemic disease.Particularly the effective control that spreads for similar " SARS " this height respiratory tract acute infectious disease is never desirable.3. the cholorination method of using always in the hospital wastewater treating processes at present has very strong toxic side effect and secondary pollution problem, the excessive dechlorination system that also needs necessity of dosage, and ozone, the less sterilizing agent of dioxide peroxide toxic side effect have limited large-scale use owing to its high expense, and therefore no matter the sterilisation system in the existing Hospital Sewage Treatment is that the sterilisation effect or the economic rationality aspect of operation are all desirable not to the utmost.
At existing patent documentation: buried unpowered Hospital Sewage Treatment equipment 96220159.6, handle the novel appts 91214463.7 of hospital sewage, disinfection of hospital sewage automatic gear 86202796, improving one's methods of some original conventional hospital sewage disposal systems disclosed among hospital and the service facility waste disposal plant 98228652.X, make equipment layout compacter, or make that to add conventional cholorination agent more convenient, level of automation is higher, and more than relevant patent does not have some principle matters (as not have the consideration pathogenic bacteria secondary pollution problem that air diffuser may cause in treating processes or some problems of cholorination) of existing in the radical change Hospital Sewage Treatment.Above simultaneously existing patent does not relate to membrane bioreactor and the Ultraviolet Disinfection of utilizing fully-closed and handles hospital sewage.
Summary of the invention
The purpose of this invention is to provide a kind of fully-closed hospital sewage disposal system that does not have diffusion that has sterilization and disinfection, prevents proliferation of germs, mainly constitute by high performance membrane bio-reactor and high-efficiency broad spectrum uv sterilisation equipment, it is characterized in that: the all-sealed structure of described hospital sewage disposal system, be used for preventing that at sewage treatment process the hospital sewage that has a large amount of germs and other pollutents that hospital discharges does not pollute water drain and is diffused into and produces space-pollution in the air; Described fully-closed membrane bioreactor and airtight grid and equalizing tank be connected in series and and uv sterilisation equipment, gas blower link together, be used for the suspended solid retaining in membrane bioreactor, carry out biological respinse by the effect of aerobic microbiological and come pollutent in the degrading waste water, by be immersed in hollow-fibre membrane in the reactor realize to virus and bacterium efficiently hold back effect, the excellence that reaches system's effluent index is discharged.
Described uv sterilisation equipment is connected on respectively in the exhaust and discharge pipe line of system's each several part, is used for can all killing virus and bacterium in the several seconds, and non-secondary pollution does not produce by product.
Beneficial effect of the present invention is: 1. total system adopts airtightly, and all gas of membrane bioreactor and equalizing tank and grid discharging is collected by pipeline and entered independent uv steriliser gas is carried out disinfection, prevent germ by gas to external diffusion.All reach or be better than country by the every index of the water outlet after the system handles at the emission standard GBJ48-83 of hospital sewage.2. the membrane bioreactor sludge yield is very little, does not have mud discharging substantially, greatly reduces the probability that pathogenic bacteria spreads by the mud discharging diffusion.3. the pathogenic bacteria in the waste water has not only been held back in the employing of membrane bioreactor significantly, and does not have suspended substance in the water outlet substantially, has eliminated in the water outlet suspended substance the efficient effect of uv sterilisation is given full play in the interference of uv sterilisation.
Description of drawings
Fig. 1 is a fully-closed hospital hospital sewage disposal system synoptic diagram.
Embodiment
Figure 1 shows that the fully-closed hospital hospital sewage disposal system synoptic diagram that does not have diffusion.Hospital sewage disposal system of the present invention adopts all-sealed structure.Be used for preventing that at sewage treatment process the hospital sewage that has a large amount of germs and other pollutents that hospital discharges does not pollute water drain and is diffused into and produces space-pollution in the air.The membrane bioreactor 5 of airtight grid 1, equalizing tank 2, intake pump 3 and fully-closed is connected in series, membrane module is immersed in the membrane bioreactor 5, gas blower 8 is connected the inlet mouth of membrane bioreactor 5, and aeration tube places the below of membrane module, and suction pump 6 is connected on the water outlet position of membrane module; The exhaust line 4 of system's each several part and connect the back be connected with a uv steriliser 7, another uv steriliser 7 is connected the water outlet of suction pump 6.The employing of film keeps off suspended solid in membrane bioreactor, the oxygen of aerobic reaction is provided by gas blower 8, carry out biological respinse by the effect of aerobic microbiological and come pollutent in the degrading waste water, by be immersed in hollow-fibre membrane in the reactor realize to virus and bacterium efficiently hold back effect, the excellence that reaches system's effluent index is discharged.
Hospital sewage is entered in the airtight membrane bioreactor 5 by wet-pit 3 by airtight grid 1 and equalizing tank 2, be connected in series and and uv sterilisation equipment, gas blower links together, be used for the suspended solid retaining in membrane bioreactor, described fully-closed membrane bioreactor carries out biological respinse by aerobic microbiological and comes pollutent in the degrading waste water in airtight membrane bioreactor 5, by be immersed in hollow-fibre membrane in the airtight membrane bioreactor 5 realize to virus and bacterium efficiently hold back effect, the excellence that reaches system's effluent index is discharged (COD<20mg/L, SS does not detect).Be connected on the exhaust and the discharge pipe line medium ultraviolet sterilization equipment 7 of system's each several part respectively, in the several seconds, can all kill virus and bacterium in system's water outlet and the discharge gas, guarantee non-secondary pollution, do not produce by product.
Claims (1)
1. a fully-closed hospital sewage disposal system that does not have diffusion mainly is made of high performance membrane bio-reactor and high-efficiency broad spectrum uv sterilisation equipment, and it is characterized in that: described hospital sewage disposal system adopts all-sealed structure; Be used for preventing that at sewage treatment process the hospital sewage that has a large amount of germs and other pollutents that hospital discharges does not pollute water drain and is diffused into and produces space-pollution in the air; Described fully-closed membrane bioreactor and airtight grid and equalizing tank are connected in series, and and uv sterilisation equipment, gas blower link together, be used for the suspended solid retaining in membrane bioreactor, carry out biological respinse by the effect of aerobic microbiological and come pollutent in the degrading waste water, by be immersed in hollow-fibre membrane in the reactor realize to virus and bacterium efficiently hold back effect, the excellence that reaches system's effluent index is discharged; Described uv sterilisation equipment is connected on respectively in the exhaust and discharge pipe line of system's each several part, is used for making non-secondary pollution all kill virus and bacterium in the several seconds, does not produce by product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031235158A CN1188353C (en) | 2003-05-09 | 2003-05-09 | Diffusionless full-sealed hospital sewage treating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031235158A CN1188353C (en) | 2003-05-09 | 2003-05-09 | Diffusionless full-sealed hospital sewage treating system |
Publications (2)
Publication Number | Publication Date |
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CN1451614A true CN1451614A (en) | 2003-10-29 |
CN1188353C CN1188353C (en) | 2005-02-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB031235158A Expired - Fee Related CN1188353C (en) | 2003-05-09 | 2003-05-09 | Diffusionless full-sealed hospital sewage treating system |
Country Status (1)
Country | Link |
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CN (1) | CN1188353C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102424486A (en) * | 2011-10-18 | 2012-04-25 | 中国环境保护公司 | Process and apparatus for treating waste water in medical waste disposal plant |
CN102757157A (en) * | 2012-08-01 | 2012-10-31 | 南宁佳迪斯电气科技有限责任公司 | Sewage treatment system used in medical field |
CN107857439A (en) * | 2017-12-05 | 2018-03-30 | 浙江千尧环境工程有限公司 | A kind of sewage disposal of hospital method |
CN112062401A (en) * | 2020-09-08 | 2020-12-11 | 江苏众志新禹环境科技有限公司 | Hospital wastewater treatment method |
CN112607913A (en) * | 2020-12-28 | 2021-04-06 | 北京碧水源净水工程技术股份有限公司 | Anti-infection closed hospital sewage pretreatment equipment |
CN113683240A (en) * | 2021-09-22 | 2021-11-23 | 华东理工大学 | Method and device for treating hospital sewage by physical and chemical method |
-
2003
- 2003-05-09 CN CNB031235158A patent/CN1188353C/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102424486A (en) * | 2011-10-18 | 2012-04-25 | 中国环境保护公司 | Process and apparatus for treating waste water in medical waste disposal plant |
CN102424486B (en) * | 2011-10-18 | 2013-06-19 | 中国环境保护公司 | Process and apparatus for treating waste water in medical waste disposal plant |
CN102757157A (en) * | 2012-08-01 | 2012-10-31 | 南宁佳迪斯电气科技有限责任公司 | Sewage treatment system used in medical field |
CN107857439A (en) * | 2017-12-05 | 2018-03-30 | 浙江千尧环境工程有限公司 | A kind of sewage disposal of hospital method |
CN112062401A (en) * | 2020-09-08 | 2020-12-11 | 江苏众志新禹环境科技有限公司 | Hospital wastewater treatment method |
CN112607913A (en) * | 2020-12-28 | 2021-04-06 | 北京碧水源净水工程技术股份有限公司 | Anti-infection closed hospital sewage pretreatment equipment |
CN112607913B (en) * | 2020-12-28 | 2024-04-12 | 北京碧水源净水工程技术股份有限公司 | Anti-infection closed hospital sewage pretreatment equipment |
CN113683240A (en) * | 2021-09-22 | 2021-11-23 | 华东理工大学 | Method and device for treating hospital sewage by physical and chemical method |
CN113683240B (en) * | 2021-09-22 | 2022-12-09 | 华东理工大学 | Method and device for treating hospital sewage by physical and chemical method |
Also Published As
Publication number | Publication date |
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CN1188353C (en) | 2005-02-09 |
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SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20050209 Termination date: 20140509 |