CN101591109A - High concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation - Google Patents
High concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation Download PDFInfo
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- CN101591109A CN101591109A CNA2008101129480A CN200810112948A CN101591109A CN 101591109 A CN101591109 A CN 101591109A CN A2008101129480 A CNA2008101129480 A CN A2008101129480A CN 200810112948 A CN200810112948 A CN 200810112948A CN 101591109 A CN101591109 A CN 101591109A
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- 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
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention relates to a kind of high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation, comprise closed water collecting basin, closed one heavy pond, closed sludge sump, closed sludge disinfection pond, closed sewage sterilization pond, coagulation basin, coagulative precipitation tank, the aerobic biologic membrane treating pond, secondary sedimentation basins, the secondary sterilization pond, coarse filter and smart filter tank, described closed water collecting basin, closed one heavy pond, closed sludge sump, connecting tube between closed sludge disinfection pond and the closed sewage sterilization pond is a closed conduct, described coagulation basin is provided with stirring mechanism, the top is provided with coagulating agent dosed administration device, described coagulative precipitation tank bottom is provided with sewage draining exit, be provided with fixedly bed of packings in the described aerobic biologic membrane treating pond, be provided with the fixed sand bed in the described coarse filter, be provided with the ultra-fine fibre filtration module in the described smart filter tank.Biological safety of the present invention is good, the purification efficiency height, and operation and easy to maintenance, the degree of purification height, water outlet can reuse.
Description
Technical field
The present invention relates to a kind of high concentration medical waste water purification and recovery treatment system, belong to environmental technology field based on flocculation and catalytic oxidation.
Background technology
Medical waste water comes from hospital and other medical institutions, wherein may contain a large amount of pathogenic microorganisms, and contain various medicines, washing powder, soda ash, radio isotope, cotton swab, gauze etc., its COD is near the numerical range of sanitary wastewater, but it is bigger to fluctuate. the BOD/COD of waste water is generally about 0.5, good biodegradability, but biological safety is an important problem, can not equally handle as waste water.
According to the emission standard of medical waste water water quality characteristics and employing, treatment technology commonly used at present is that waste water is entered the aerobe processing unit behind grid, equalizing tank, sterilization discharging again after the processing.The wherein normal aerobe processing unit that adopts is traditional technologys such as contact oxidation method. disinfection way commonly used at present has: liquid chlorine or disinfection by chlorine dioxide, ultraviolet disinfection and ozonization etc.Present ubiquitous defective mainly shows several aspects: the open pond body of (1) many employings, particularly handle for aerobic biochemical, owing to wherein need to carry out aeration, have other a large amount of discharges, aerosol in these gases can carry microorganism and be diffused in the atmosphere, and wastewater treatment equipment itself is exactly source of pollution.(2) operation is lack of standardization, and automatization detection and control degree are low, and the area occupied in (3) partially disposed place is bigger, the working cost height.
Given this, people begin to develop totally enclosed treatment system, whole treatment facilities are closed, water after its purification of externally discharging and the air of collecting are carried out disinfection, to realize eliminating the purpose of biological innocuousness, but the output investment ratio of this totally enclosed equipment requirements is higher, and operation and maintenance is difficulty relatively.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation, the biological safety of this system is good, be not prone to the danger of pathogenic microorganism diffusion, and required investment is less relatively, operation and easy to maintenance.
The present invention realizes that the above-mentioned purpose technical scheme is: a kind of high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation, comprise closed water collecting basin, closed one heavy pond, closed sludge sump, closed sludge disinfection pond, closed sewage sterilization pond, coagulation basin, coagulative precipitation tank, the aerobic biologic membrane treating pond, secondary sedimentation basins, the secondary sterilization pond, coarse filter and smart filter tank, described closed water collecting basin, closed one heavy pond, closed sewage sterilization pond, coagulation basin, coagulative precipitation tank, the aerobic biologic membrane treating pond, secondary sedimentation basins, the secondary sterilization pond, the coarse filter is connected successively with smart filter tank intake-outlet, described closed water collecting basin, closed one heavy pond, closed sludge sump, connecting tube between closed sludge disinfection pond and the closed sewage sterilization pond is a closed conduct, the water entry of described closed water collecting basin is provided with mechanical type grid and grid slag masher, described closed one heavy bottom, pond is the inversed taper platform shape, the bottom is provided with sludge outlet, this sludge outlet connects the import of described sludge sump, the sludge outlet of described sludge sump connects described sludge disinfection pond, described sludge disinfection pond is provided with the sterilizing agent reagent feeder, be provided with stirring mechanism in the pond, described coagulation basin is provided with stirring mechanism, the top is provided with coagulating agent dosed administration device, described coagulative precipitation tank bottom is provided with sewage draining exit, by pipe connection second sludge sump, the water-in of described aerobic biologic membrane treating pond and water outlet all are positioned at its top, be provided with the vertical baffling dividing plate that is connected with Chi Ding in the pond, the pond that is arranged in dividing plate water-in one side is provided with fixedly bed of packings, water outlet one side of dividing plate is provided with water stream channel, be provided with the fixed sand bed in the described coarse filter, be provided with the ultra-fine fibre filtration module in the described smart filter tank, the mud discharging mouth of described second pond bottom connects described second sludge sump.
Beneficial effect of the present invention is: (1) has at first carried out enclosed processing, various foreign material in the sewage are carried out case of wet attrition, all carry out a heavy pond together after the pulverizing with sewage, in a heavy pond, these comminuting matters that come from the large size tailover all precipitate basically, cause burden can for follow-up technology, in closed treatment system, carry out the independent sterilization of mud and sewage, pathogenic microorganism that deactivation is whole and worm's ovum etc., reach the purpose of eliminating biological hazard, because the sterilising treatment of mud is sterilized many easily than employing to original tailover, therefore help adopting easy equipment and technology to be sterilized, help realizing automatization control, be not prone to material from leakage or the halfway problem of sterilizing; (2) but the waste water after the sterilization at first enters efficient particulate matter and other flocculate precipitate removed wherein of flocculation basin and flocculation sedimentation tank, Pollutant levels have wherein been lowered thus significantly, simultaneously through behind flocculation and the flocculation sediment, ozone natural decomposition wherein is an oxygen, and then send into the aerobic biologic membrane treating pond and carry out the aerobic biochemical processing, should in the aerobic biologic membrane treating pond, drop in the system starting process bacterial classification (for example active sludge of other sanitary wastewaters) and and carry out the domestication and the cultivation of certain hour, formation is adapted to active sludge and the micropopulation that native system is handled, passed through sterilising treatment owing to enter the waste water of aerobic biologic membrane treating pond, the active sludge of this domestication can more effectively carry out the procreation of microorganism, keep good microorganism species, improve treatment effect; (3) adopt aerobic biological film method to carry out the biochemical treatment of waste water, can obtain the high processing effect, its water outlet degree of purification height, and when water quantity and quality changes, still can keep good working order; (4) owing to be provided with secondary sterilization again and filter the cascade filtration that constitutes by coarse filtration and essence in biochemical treatment and post precipitation, further removed microorganism and the impurity of remnants in the water, increased substantially effluent quality, these water can reach the requirement of general industry water and domestic water, but consider people's psychological factor, these water outlets can be used for irrigation, view, flushing lavatory etc.; (5) owing to have only equipment component to seal, can save the cost of investment and the operational inconvenience that cause because of system lock effectively, particularly can adopt prior art for the aerobic biologic membrane treating pond, thus for totally-enclosed system, be very easy to the user, and because the material of sterilization is a waste water, do not need to carry out totally-enclosed gas sampling down of system and waste gas sterilization, greatly reduced technology and constituted and facility investment.
Description of drawings
Fig. 1 is the structural representation of native system.
Embodiment
Referring to Fig. 1, the invention provides a kind of high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation, comprise closed water collecting basin 20, closed one heavy pond 91, closed sludge sump 90, closed sludge disinfection pond 95, closed sewage sterilization pond 30, coagulation basin 80, coagulative precipitation tank 82, aerobic biologic membrane treating pond 40, secondary sedimentation basins (second pond) 50, secondary sterilization pond 110, coarse filter 120 and smart filter tank 130, closed water collecting basin 20, closed one heavy pond 91, closed sewage sterilization pond 30, coagulation basin, coagulative precipitation tank 80, aerobic biologic membrane treating pond 40, secondary sedimentation basins (second pond) 50, secondary sterilization pond 110, the intake-outlet in coarse filter 120 and smart filter tank 130 is connected described closed water collecting basin successively, closed one heavy pond, closed sludge sump, connecting tube is a closed conduct between closed sludge disinfection pond and the closed sewage sterilization pond, the water entry 21 of described closed water collecting basin is provided with mechanical type grid and grid slag masher 22, described closed one heavy bottom, pond is the inversed taper platform shape, the bottom is provided with sludge outlet, the sludge outlet in described one heavy pond connects the import of described sludge sump, the sludge outlet of described sludge sump connects described sludge disinfection pond, described sludge disinfection pond is provided with sterilizing agent reagent feeder 94, be provided with stirring mechanism 93 in the pond, the water-in of described aerobic biologic membrane treating pond connects the water outlet of described coagulative precipitation tank, the water-in of described secondary sedimentation basins connects the water outlet of described aerobic biologic membrane treating pond, be provided with fixed sand bed 121 in the described coarse filter, be provided with ultra-fine fibre filtration module 131 in the described smart filter tank, top, described secondary sterilization pond is provided with sterilizing agent delivery device 111.Described coagulation basin is provided with stirring mechanism, and the top is provided with coagulating agent dosed administration device 81, and described coagulative precipitation tank bottom is provided with sewage draining exit, and by pipe connection second sludge sump 70, the mud discharging mouth of described second pond bottom connects described second sludge sump.
Described sludge disinfection pond can adopt the mode of chlorination to carry out sludge disinfection, also saves cost.
Described grid slag masher can be provided with the switch by current control in the inlet channel, therefore starts automatically when having water to enter, and does not then stop automatically when having water to flow, and both handled easily helped saving the energy again.
For large-scale treatment system, described grid slag masher can comprise two, and one is the grid slag masher of coarse reduction, and another is the broken grid slag masher of fine powder, can be that equipment and technological process are more reasonable thus.But for mini-system, then should consider the simplification of system itself, a grid slag masher is set get final product.
Described closed water collecting basin water outlet place is provided with submersible sewage pump, perhaps on the Outer Tube of pond, sump pump is set, output channel by submersible sewage pump and sump pump is connected described closed sewage sterilization pond, described sterilization pond and top, secondary sterilization pond can be provided with sterilizing agent balling iron 31, the water yield according to input is carried out automatic chemical dosing, preferred ozonizer is as the sterilizing agent balling iron, so that remove the disinfectant in the water after the sterilization as early as possible.
Can be provided with agitator in described closed sewage sterilization pond and the secondary sterilization pond, so that mixing disinfectant.
Described coagulation basin, coagulative precipitation tank can removal of pollutants, can give the sewage certain time interval again, enter the microbial film treatment process again after eliminating ozone, in order to avoid influence biological treatment process.
Described aerobic biologic membrane treating pond bottom is provided with some aerators, so that provide aerobic reaction required oxygen, generally should be provided with pump on its outlet conduit, so that the power of current is provided.
The bottom of described second pond is inversed taper platform shape, the bottom is provided with sludge discharging port, this sludge discharging port is connected with sludge pump 51, be used for mud is released, described sludge pump is provided with the reflux line 52 and the mud discharging pipeline 53 that is connected sludge sump 70 that connects the aerobic biologic membrane treating pond, reflux and mud discharging so that carry out mud, the returned sluge ratio should be determined according to the needs in the aerobic biologic membrane treating pond.
Back, described smart filter tank connects retention basin 60, is used for the water after the collection and purification.
Claims (10)
1, a kind of high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation, it is characterized in that comprising closed water collecting basin, closed one heavy pond, closed sludge sump, closed sludge disinfection pond, closed sewage sterilization pond, coagulation basin, coagulative precipitation tank, the aerobic biologic membrane treating pond, secondary sedimentation basins, the secondary sterilization pond, coarse filter and smart filter tank, described closed water collecting basin, closed one heavy pond, closed sewage sterilization pond, coagulation basin, coagulative precipitation tank, the aerobic biologic membrane treating pond, secondary sedimentation basins, the secondary sterilization pond, the coarse filter is connected successively with smart filter tank intake-outlet, described closed water collecting basin, closed one heavy pond, closed sludge sump, connecting tube between closed sludge disinfection pond and the closed sewage sterilization pond is a closed conduct, the water entry of described closed water collecting basin is provided with mechanical type grid and grid slag masher, described closed one heavy bottom, pond is the inversed taper platform shape, the bottom is provided with sludge outlet, this sludge outlet connects the import of described sludge sump, the sludge outlet of described sludge sump connects described sludge disinfection pond, described sludge disinfection pond is provided with the sterilizing agent reagent feeder, be provided with stirring mechanism in the pond, described coagulation basin is provided with stirring mechanism, the top is provided with coagulating agent dosed administration device, described coagulative precipitation tank bottom is provided with sewage draining exit, by pipe connection second sludge sump, the water-in of described aerobic biologic membrane treating pond and water outlet all are positioned at its top, be provided with the vertical baffling dividing plate that is connected with Chi Ding in the pond, the pond that is arranged in dividing plate water-in one side is provided with fixedly bed of packings, water outlet one side of dividing plate is provided with water stream channel, be provided with the fixed sand bed in the described coarse filter, be provided with the ultra-fine fibre filtration module in the described smart filter tank, the mud discharging mouth of described second pond bottom connects described second sludge sump.
2, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 1, the inlet channel that it is characterized in that described closed water collecting basin is arranged on its enclosure interior, from up to down extend, described grid is provided with the ingress at this inlet channel, described grid slag masher is arranged in this vertical duct, perhaps the inlet channel of described closed water collecting basin is provided with horizontal inlet channel, described horizontal inlet channel is provided with the mechanical type grid, and described mechanical type grid is provided with the mechanical transmission device that connects grid slag masher.
3, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 2 is characterized in that described grid slag masher is provided with the switch by current control in the inlet channel.
4, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 3 is characterized in that described grid slag masher comprises two, and one is the grid slag masher of coarse reduction, and another is the broken grid slag masher of fine powder.
5, as claim 1,2,3 or 4 described high concentration medical waste water purification and recovery treatment systems based on flocculation and catalytic oxidation, it is characterized in that described closed water collecting basin bottom is provided with submersible sewage pump, the output channel by submersible sewage pump connects described closed sewage sterilization pond.
6, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 5 is characterized in that described sealing sterilization pond and top, secondary sterilization pond are provided with the sterilizing agent balling iron.
7, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 6 is characterized in that being provided with agitator in described closed sewage sterilization pond and the secondary sterilization pond.
8, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 7, it is characterized in that during Chi Ding is provided with at the bottom of the pond of described coagulation basin, coagulative precipitation tank and the medicament balling iron, be provided with sludge outlet at the bottom of the pond and be connected with sludge pump, the discharge tube of described sludge pump connects sludge sump.
9, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 8 is characterized in that described aerobic biologic membrane treating pond bottom is provided with some aerators, and outlet conduit is provided with pump.
10, the high concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation as claimed in claim 9, the bottom that it is characterized in that described second pond is inversed taper platform shape, the bottom is provided with sludge discharging port, this sludge discharging port is connected with sludge pump, described sludge pump is provided with the reflux line and the mud discharging pipeline that is connected sludge sump that connects the aerobic biologic membrane treating pond, and back, described smart filter tank connects retention basin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101129480A CN101591109A (en) | 2008-05-26 | 2008-05-26 | High concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101129480A CN101591109A (en) | 2008-05-26 | 2008-05-26 | High concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation |
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| CN101591109A true CN101591109A (en) | 2009-12-02 |
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| CNA2008101129480A Pending CN101591109A (en) | 2008-05-26 | 2008-05-26 | High concentration medical waste water purification and recovery treatment system based on flocculation and catalytic oxidation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204914A (en) * | 2020-03-10 | 2020-05-29 | 南京威安新材料科技有限公司 | New coronavirus medical wastewater intensive disinfection in-situ treatment prevention and treatment equipment |
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2008
- 2008-05-26 CN CNA2008101129480A patent/CN101591109A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204914A (en) * | 2020-03-10 | 2020-05-29 | 南京威安新材料科技有限公司 | New coronavirus medical wastewater intensive disinfection in-situ treatment prevention and treatment equipment |
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Open date: 20091202 |