CN1451614A - Diffusionless full-sealed hospital sewage treating system - Google Patents

Diffusionless full-sealed hospital sewage treating system Download PDF

Info

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
Authority
CN
China
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
Application number
CN03123515A
Other languages
Chinese (zh)
Other versions
CN1188353C (en
Inventor
黄霞
施汉昌
陈吕军
汪诚文
靳志军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Original Assignee
Tsinghua University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tsinghua University filed Critical Tsinghua University
Priority to CNB031235158A priority Critical patent/CN1188353C/en
Publication of CN1451614A publication Critical patent/CN1451614A/en
Application granted granted Critical
Publication of CN1188353C publication Critical patent/CN1188353C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological 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

The fully-closed hospital sewage disposal system that does not have diffusion
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.
CNB031235158A 2003-05-09 2003-05-09 Diffusionless full-sealed hospital sewage treating system Expired - Fee Related CN1188353C (en)

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
CN1451614A true CN1451614A (en) 2003-10-29
CN1188353C CN1188353C (en) 2005-02-09

Family

ID=29222863

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031235158A Expired - Fee Related CN1188353C (en) 2003-05-09 2003-05-09 Diffusionless full-sealed hospital sewage treating system

Country Status (1)

Country Link
CN (1) CN1188353C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN1188353C (en) 2005-02-09

Similar Documents

Publication Publication Date Title
CN102241456A (en) Hospital waste water treatment system
CN111115984A (en) Sewage treatment process and device for infectious disease hospital
CN101182085A (en) Ultraviolet-chlorination agent sequentially disinfecting technology for reclaimed water
CN203890204U (en) Comprehensive treatment system of medical wastewater
CN111253006A (en) Hospital wastewater comprehensive treatment device with zero sludge discharge and treatment method thereof
CN201713412U (en) Hospital sewage treatment system
CN112707604A (en) Medical wastewater treatment system
CN205635208U (en) Microorganism device is exterminateed to ozone ultraviolet ray composite module ization for aquaculture
CN1188353C (en) Diffusionless full-sealed hospital sewage treating system
CN211896558U (en) Triple degree of depth degassing unit of hospital's waste water
CN109809642A (en) A kind of remodeling purification tank of multi-stage aerobic processing rural households' sewage
CN212476440U (en) Sewage treatment device for infectious disease hospital
CN2700315Y (en) Ozone and ultraviolet sewage combined treatment device
CN200985295Y (en) Self cleaning sterilizer for water tank
CN2613481Y (en) No-diffusion all-sealed hospital sewage treatment equipment
CN211734127U (en) Hospital wastewater comprehensive treatment device with zero sludge discharge
CN101108755A (en) Medical treatment wastewater processing technique
CN221254289U (en) Multi-level wastewater treatment device
CN112851040A (en) Integrated sewage treatment device
CN207483535U (en) A kind of integration USOF hospital sewage treatment devices
CN1704356A (en) Sewage counteraction and sterilization system
CN209537253U (en) A kind of lavatory liquid dung or/and sanitary wastewater purify the remodeling septic tank of processing up to standard
CN2642773Y (en) Multistage totally-enclosed innocuous safe treating apparatus for barrier separation and purification of hospital wastewater
CN206985973U (en) Storage type medical waste water disinfects system
CN203360218U (en) Dual-aeration MBR (membrane bioreactor) membrane tank provided with ultraviolet sewage disinfection device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050209

Termination date: 20140509