CN104944710A - Medical wastewater three-stage treatment technique - Google Patents
Medical wastewater three-stage treatment technique Download PDFInfo
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- CN104944710A CN104944710A CN201510377052.5A CN201510377052A CN104944710A CN 104944710 A CN104944710 A CN 104944710A CN 201510377052 A CN201510377052 A CN 201510377052A CN 104944710 A CN104944710 A CN 104944710A
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- 238000000034 method Methods 0.000 title claims abstract description 144
- 239000002351 wastewater Substances 0.000 title abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 230000008569 process Effects 0.000 claims abstract description 117
- 239000012535 impurity Substances 0.000 claims abstract description 39
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 35
- 230000001954 sterilising effect Effects 0.000 claims abstract description 28
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000002906 medical waste Substances 0.000 claims description 101
- 230000000694 effects Effects 0.000 claims description 17
- 244000005700 microbiome Species 0.000 claims description 16
- 230000007062 hydrolysis Effects 0.000 claims description 15
- 238000006460 hydrolysis reaction Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910001385 heavy metal Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 230000020477 pH reduction Effects 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000002957 persistent organic pollutant Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 230000032258 transport Effects 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000005349 anion exchange Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000005341 cation exchange Methods 0.000 claims description 5
- 150000001768 cations Chemical class 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000000108 ultra-filtration Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000005446 dissolved organic matter Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
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- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- 231100001240 inorganic pollutant Toxicity 0.000 claims description 3
- 230000002503 metabolic effect Effects 0.000 claims description 3
- 230000002906 microbiologic effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010841 municipal wastewater Substances 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 229910001414 potassium ion Inorganic materials 0.000 claims description 3
- 238000006479 redox reaction Methods 0.000 claims description 3
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- 239000012134 supernatant fraction Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 201000002282 venous insufficiency Diseases 0.000 claims description 3
- 239000004902 Softening Agent Substances 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 abstract 2
- 230000000249 desinfective effect Effects 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
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- 230000001376 precipitating effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention relates to the field of medical wastewater treatment, particularly a medical wastewater three-stage treatment technique which comprises the following steps: a primary macroscopic impurity removal technique is performed, wherein the primary macroscopic impurity removal technique comprises sedimentation tank treatment, precipitation tank treatment and regulating tank treatment, and is used for macroscopic impurity removal; medical wastewater after the primary macroscopic impurity removal technique enters a secondary microscopic impurity removal technique, wherein the secondary microscopic impurity removal technique comprises water softener tank treatment, hydrolysis-acidification tank treatment, aeration biological tank treatment, electrolysis cell treatment and MBR (membrane bioreactor) tank treatment, and is used for microscopic impurity removal; and medical wastewater after the secondary microscopic impurity removal technique enters a tertiary disinfection discharge technique, wherein the tertiary disinfection discharge technique comprises secondary sedimentation tank treatment, disinfection tank treatment and discharge, and is mainly used for sterilizing and disinfecting the wastewater. The technique can remove different pollutants in the medical wastewater by using different treatment processes, and can implement efficient purification on the medical wastewater.
Description
Technical field
The present invention relates to medical waste water process field, is a kind of medical waste water tertiary treatment process specifically.
Background technology
At present, China's medical industry is just flourish, and medical waste water also produces in the process of medical industry development thereupon, medical waste water complicated component, concentration and salinity high, and wherein containing all kinds of organic pollutant, radioactive substance and inorganic heavy metal pollutent etc., if deal with improperly it, the pollution then produced environment also will be inconceivable, and in existing technique, the process of medical waste water is needed to improve, therefore, can be found out by above problem, people are badly in need of a kind of Novel medical waste water treatment process, i.e. a kind of medical waste water tertiary treatment process, it removes the radioelement in medical waste water by cation and anion exchange method, the removal work of organic pollutant is completed by microorganism, the inorganic heavy metal pollutent in waste water is removed by electrolytic process, membrane processing method is utilized to realize the cleaning of impurity, the work of sterilization and disinfection is completed by strong oxidizer, finally realize the qualify discharge of medical waste water.
Summary of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of medical waste water tertiary treatment process, it removes the radioelement in medical waste water by cation and anion exchange method, the removal work of organic pollutant is completed by microorganism, the inorganic heavy metal pollutent in waste water is removed by electrolytic process, utilize membrane processing method to realize the cleaning of impurity, complete the work of sterilization and disinfection by strong oxidizer, finally realize the qualify discharge of medical waste water.
The technical solution adopted for the present invention to solve the technical problems is: a kind of medical waste water tertiary treatment process, and its concrete steps are as follows:
One-level macroscopic view impurity removal process:
(1) settling pit process: medical waste water rate after collecting is introduced into settling pit, due to action of gravity, the larger inorganic pollutant free subsidence of proportion is at the bottom of settling pit pond, settling pit is provided with fishing device at the bottom of pond, described fishing device comprises support 1 and lifting gear 2, described support 1 is arranged on settling pit pool wall, and support 1 is provided with chute; Described lifting gear 2 is connected with support 1, lifting gear 2 comprises bracing frame 21, joint 22, traction rope 23, hook 24 and promotes net 25, described bracing frame 21 is provided with slide block, and slide block is connected with chute, and bracing frame 21 shape is identical with settling pit shape; Described traction rope 23 is connected with bracing frame 21 by joint; Described lifting net 25 is arranged on bracing frame 21 by hook 24; Be provided with grid in settling pit water outlet, residue medical waste water is by by entering settling tank after the filtration of grid, and grid, in order to remove soft twister, more admittedly particle foreign material and the drift in medical waste water, need regularly to be sterilized outward transport by the foreign material produced in this operation;
(2) settling tank process: settling pit water outlet enters settling tank, medical waste water is first heavy partial suspended pollutent and organic pollutant in settling tank, settling tank has the function of regulating pondage and homogenizing water quality, removing part can hypostasis, grease and floating matter, enable medical waste water water quality and quantity enter subsequent processing units more equably, need regularly to be sterilized outward transport by the foreign material produced in this operation;
(3) equalizing tank process: settling tank water outlet enters equalizing tank, backflow snubber assembly is provided with in equalizing tank, the impact that medical waste water flow or change in concentration are brought can be reduced, and equalizing tank has preaeration effect, can make to also have certain oxygen level in wastewater liquid, meanwhile, medical waste water can carry out the adjustment in pH value, water temperature etc. in equalizing tank, for follow-up process provides a comparatively stable environment, waste water collects system after the equalizing tank regulating water quality water yield;
After the process of medical waste water by one-level macroscopic view impurity removal process, the impurity part that volume is larger is removed, another part is decomposed into the impurity of small volume, and be dissolved in uniformly in waste water solution, finally, realize the homogenizing of medical waste water water quality and quantity, the process for the later stage is got ready work.
Secondary microcosmic impurity removal process:
(1) water softener pond process: medical waste water flows into water softener pond after equalizing tank process, by cation and anion exchange method, the radioelement in medical waste water is replaced as potassium ion and sodium ion in water softener pond, after radioelement is removed in medical waste water, the activity intensity of microorganism can be made to significantly improve.
(2) hydrolysis acidification pool process: medical waste water enters hydrolysis acidification pool and processes after the process of water softener pond, in hydrolysis acidification pool, medical waste water enters amphimicrobian environment, mix with inoculated active sludge, containing the microorganism such as a large amount of hydrolytic bacteria and acidifying bacterium in bottom activated sludge layer, can be dissolved organic matter by insoluble hydrolysis of organic matter, it is the biological micromolecule material of easily degraded by the biomacromolecule Substance Transformation of difficult degradation, the treatment process adopted in this pond is a kind of method between aerobic and anaerobic treatment method, processing cost can be reduced with other process combination, improve processing efficiency,
(3) aeration and biological pond process: hydrolysis acidification pool water outlet by up-flow bottom aeration and biological pond through the biomembranous filtrate of apposition growth, by the Metabolic activity of aerobic microbiological flora on film, efficient organics removal and most suspended contaminant, aeration oxygen replenishing is carried out by aerator in aeration and biological pond, the working efficiency of microorganism can be improved by oxygenation, in the metabolic process of microorganism, digest majority of organic pollutants (COD, BOD clearance all can reach more than 80%);
(4) electrolyzer process: medical waste water flows into electrolyzer process after the process of aeration and biological pond, negative pole and positive pole that in iron filings, iron and graphite form is provided with in electrolyzer, utilize the heavy metal element in redox reaction removal medical waste water, greatly can be reduced in waste water by electrolyzer effect and obtain concentration of heavy metal ion;
(5) MBR pond process: medical waste water enters MBR pond after electrolyzer process, flat membrane ultrafiltration process medical waste water is adopted in MBR pond, flat plate ultrafiltration membrane has good removal effect to suspended substance, larger molecular organics in waste water, and also have good crown_interception to the anionic detergent that pre-treatment is difficult to be removed by flocculation, filtration, and the liquid on flat sheet membrane both sides, MBR pond is provided with the pressure difference of movement, effectively can improve the efficiency that flat sheet membrane is filtered, the foreign material filtered down after being processed by MBR pond need regularly sterilization to topple over outward transport;
After process by one-level macroscopic view impurity removal process, the waste water of water quality and quantity homogenizing flows into secondary microcosmic impurity removal process, in secondary microcosmic impurity removal process, first by water softener pond, medical waste water is processed, remove containing the radioelement in the medical waste water of radioelement, this step can significantly improve microbic activity in medical waste water, be conducive to the biochemical treatment of later stage microorganism, after the process of water softener pond, recycling microorganism and electrolytic action process medical waste water, finally carry out medical waste water filtration by flat sheet membrane, can realize removing radioactive substance, the function of the minute impurities such as minute impurities and heavy metal ion.
Three grades of sterilization discharge technologies:
(1) second pond process: medical waste water flows into second pond after the process of MBR pond, and medical waste water further staticizes process in second pond, after make waste water be divided into supernatant liquor and mud two portions, mud regularly transports, and supernatant liquor flows in sterilization pool;
(2) sterilization pool process: the supernatant fraction in second pond enters in sterilization pool, the dioxide peroxide mixing added in medical waste water by the medicine machine in sterilization pool, can be realized the sterilization of waste water by the effect of peroxide agent dioxide peroxide, be the standard that discharge of wastewater meets sterilization and disinfection;
(3) discharge: after sterilization pool process, medical waste water up to standard is by outer row's municipal wastewater pipe network;
Waste water after the process of secondary microcosmic impurity removal process enters the process of three grades of sterilization discharge technologies, in three grades of sterilization discharge technologies, medical waste water is first through precipitating action, the further purification realizing discharge medical waste water, the sterilization of waste water can be realized afterwards by the effect of peroxide agent dioxide peroxide, finally, the medical waste water after process is made to reach emission standard.
The invention has the beneficial effects as follows:
1. this technique completes the removal work of organic pollutant by microorganism, and+anaerobic denitrification dephosphorization process aerobic relative to tradition, greatly reduces energy consumption;
2. this technique is processed by water softener pond, can efficiently remove radioactive substance in medical waste water.
3. this technique removes the inorganic heavy metal pollutent in waste water by electrolytic process, high-level efficiency can reduce the content of heavy metal in waste water element;
4. this technology utilization membrane processing method realizes the cleaning of impurity, can filter by the impurity comparatively comprehensively in waste water, the successful of purification of waste water;
5. this technique completes the work of sterilization and disinfection by strong oxidizer, finally realizes the qualify discharge of medical waste water.
6. this technique is provided with fishing device in the settling pit carrying out macroscopical impurity treatment, medical waste water in settling pit can be released and just can carry out macroscopical Impurity removal, change the mode that traditional impurity transports, improve the processing efficiency of medical waste water, and easy to use.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 1 is process flow sheet of the present invention;
Fig. 2 is fishing device structural representation of the present invention;
Fig. 3 is lifting gear structural representation of the present invention.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, Figure 2 and Figure 3, a kind of medical waste water tertiary treatment process of the present invention, take the processing step of medical waste water process as follows:
One-level macroscopic view impurity removal process:
1, settling pit process: medical waste water rate after collecting is introduced into settling pit, due to action of gravity, the larger inorganic pollutant free subsidence of proportion is at the bottom of settling pit pond, settling pit is provided with fishing device at the bottom of pond, described fishing device comprises support 1 and lifting gear 2, described support 1 is arranged on settling pit pool wall, and support 1 is provided with chute; Described lifting gear 2 is connected with support 1, lifting gear 2 comprises bracing frame 21, joint 22, traction rope 23, hook 24 and promotes net 25, described bracing frame 21 is provided with slide block, and slide block is connected with chute, and bracing frame 21 shape is identical with settling pit shape; Described traction rope 23 is connected with bracing frame 21 by joint; Described lifting net 25 is arranged on bracing frame 21 by hook 24; Be provided with grid in settling pit water outlet, residue medical waste water is by by entering settling tank after the filtration of grid, and grid, in order to remove soft twister, more admittedly particle foreign material and the drift in medical waste water, need regularly to be sterilized outward transport by the foreign material produced in this operation;
2, settling tank process: settling pit water outlet enters settling tank, medical waste water is first heavy partial suspended pollutent and organic pollutant in settling tank, settling tank has the function of regulating pondage and homogenizing water quality, removing part can hypostasis, grease and floating matter, enable medical waste water water quality and quantity enter subsequent processing units more equably, need regularly to be sterilized outward transport by the foreign material produced in this operation;
3, equalizing tank process: settling tank water outlet enters equalizing tank, backflow snubber assembly is provided with in equalizing tank, the impact that medical waste water flow or change in concentration are brought can be reduced, and equalizing tank has preaeration effect, can make to also have certain oxygen level in wastewater liquid, meanwhile, medical waste water can carry out the adjustment in pH value, water temperature etc. in equalizing tank, for follow-up process provides a comparatively stable environment, waste water collects system after the equalizing tank regulating water quality water yield;
After the process of medical waste water by one-level macroscopic view impurity removal process, the impurity part that volume is larger is removed, another part is decomposed into the impurity of small volume, and be dissolved in uniformly in waste water solution, finally, realize the homogenizing of medical waste water water quality and quantity, the process for the later stage is got ready work.
Secondary microcosmic impurity removal process:
1, water softener pond process: medical waste water flows into water softener pond after equalizing tank process, by cation and anion exchange method, the radioelement in medical waste water is replaced as potassium ion and sodium ion in water softener pond, after radioelement is removed in medical waste water, the activity intensity of microorganism can be made to significantly improve.
2, hydrolysis acidification pool process: medical waste water enters hydrolysis acidification pool and processes after the process of water softener pond, in hydrolysis acidification pool, medical waste water enters amphimicrobian environment, mix with inoculated active sludge, containing the microorganism such as a large amount of hydrolytic bacteria and acidifying bacterium in bottom activated sludge layer, can be dissolved organic matter by insoluble hydrolysis of organic matter, it is the biological micromolecule material of easily degraded by the biomacromolecule Substance Transformation of difficult degradation, the treatment process adopted in this pond is a kind of method between aerobic and anaerobic treatment method, processing cost can be reduced with other process combination, improve processing efficiency,
3, aeration and biological pond process: hydrolysis acidification pool water outlet by up-flow bottom aeration and biological pond through the biomembranous filtrate of apposition growth, by the Metabolic activity of aerobic microbiological flora on film, efficient organics removal and most suspended contaminant, aeration oxygen replenishing is carried out by aerator in aeration and biological pond, the working efficiency of microorganism can be improved by oxygenation, in the metabolic process of microorganism, digest majority of organic pollutants (COD, BOD clearance all can reach more than 80%);
4, electrolyzer process: medical waste water flows into electrolyzer process after the process of aeration and biological pond, negative pole and positive pole that in iron filings, iron and graphite form is provided with in electrolyzer, utilize the heavy metal element in redox reaction removal medical waste water, greatly can be reduced in waste water by electrolyzer effect and obtain concentration of heavy metal ion;
5, MBR pond process: medical waste water enters MBR pond after electrolyzer process, flat membrane ultrafiltration process medical waste water is adopted in MBR pond, flat plate ultrafiltration membrane has good removal effect to suspended substance, larger molecular organics in waste water, and also have good crown_interception to the anionic detergent that pre-treatment is difficult to be removed by flocculation, filtration, and the liquid on flat sheet membrane both sides, MBR pond is provided with the pressure difference of movement, effectively can improve the efficiency that flat sheet membrane is filtered, the foreign material filtered down after being processed by MBR pond need regularly sterilization to topple over outward transport;
After process by one-level macroscopic view impurity removal process, the waste water of water quality and quantity homogenizing flows into secondary microcosmic impurity removal process, in secondary microcosmic impurity removal process, first by water softener pond, medical waste water is processed, remove containing the radioelement in the medical waste water of radioelement, this step can significantly improve microbic activity in medical waste water, be conducive to the biochemical treatment of later stage microorganism, after the process of water softener pond, recycling microorganism and electrolytic action process medical waste water, finally carry out medical waste water filtration by flat sheet membrane, can realize removing radioactive substance, the function of the minute impurities such as minute impurities and heavy metal ion.
Three grades of sterilization discharge technologies:
1, second pond process: medical waste water flows into second pond after the process of MBR pond, medical waste water further staticizes process in second pond, waste water can be made to be divided into supernatant liquor and mud two portions, and mud is regularly sterilized and is transported, and supernatant liquor flows in next technical process;
2, sterilization pool process: the supernatant fraction in second pond enters in sterilization pool, the dioxide peroxide mixing added in medical waste water by the medicine machine in sterilization pool, can be realized the sterilization of waste water by the effect of peroxide agent dioxide peroxide, be the standard that discharge of wastewater meets sterilization and disinfection;
3, discharge: after sterilization pool process, medical waste water up to standard is by outer row's municipal wastewater pipe network;
Waste water after the process of secondary microcosmic impurity removal process enters the process of three grades of sterilization discharge technologies, in three grades of sterilization discharge technologies, medical waste water is first through precipitating action, the further purification realizing discharge medical waste water, the sterilization of waste water can be realized afterwards by the effect of peroxide agent dioxide peroxide, finally, be process after medical waste water reach emission standard.
Can obtain through experiment, as follows by unit facility treatment effect analytical table in a kind of medical waste water tertiary treatment process of the present invention:
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; description in above-described embodiment and specification sheets principle of the present invention is just described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a medical waste water tertiary treatment process, is characterized in that: concrete steps are as follows:
One-level macroscopic view impurity removal process:
(1) settling pit process: medical waste water rate after collecting is introduced into settling pit, due to action of gravity, the larger inorganic pollutant free subsidence of proportion is at the bottom of settling pit pond, settling pit is provided with fishing device at the bottom of pond, be provided with grid in settling pit water outlet, residue medical waste water is by by entering settling tank after the filtration of grid;
(2) settling tank process: settling pit water outlet enters settling tank, medical waste water is first heavy partial suspended pollutent and organic pollutant in settling tank, settling tank has the function of regulating pondage and homogenizing water quality, removing part can hypostasis, grease and floating matter, enables medical waste water enter subsequent processing units more equably;
(3) equalizing tank process: settling tank water outlet enters equalizing tank, backflow snubber assembly is provided with in equalizing tank, the impact that medical waste water flow or change in concentration are brought can be reduced, and equalizing tank has preaeration effect, simultaneously, medical waste water can carry out the adjustment in pH value, water temperature etc. in equalizing tank, after the equalizing tank regulating water quality water yield, collect system;
Secondary microcosmic impurity removal process:
(1) the radioelement replacement in anhydrous is potassium ion and sodium ion by cation and anion exchange method by water softener pond process: medical waste water flows into water softener pond after equalizing tank process in water softener pond.
(2) hydrolysis acidification pool process: medical waste water enters hydrolysis acidification pool and processes after the process of softening agent pond, in hydrolysis acidification pool, medical waste water enters amphimicrobian environment, mix with inoculated active sludge, containing the microorganism such as a large amount of hydrolytic bacteria and acidifying bacterium in bottom activated sludge layer, can be dissolved organic matter by insoluble hydrolysis of organic matter, be the biological micromolecule material of easily degraded by the biomacromolecule Substance Transformation of difficult degradation;
(3) aeration and biological pond process: hydrolysis acidification pool water outlet by up-flow bottom aeration and biological pond through the biomembranous filtrate of apposition growth, by the Metabolic activity of aerobic microbiological flora on film, efficient organics removal and most suspended contaminant, aeration oxygen replenishing is carried out by aerator in biological filter;
(4) electrolyzer process: medical waste water flows into electrolyzer process after the process of aeration and biological pond, is provided with negative pole and positive pole that in iron filings, iron and graphite form in electrolyzer, utilizes the heavy metal element in redox reaction removal medical waste water;
(5) MBR pond process: medical waste water enters MBR pond after electrolyzer process, adopts flat membrane ultrafiltration process medical waste water in MBR pond;
Three grades of sterilization discharge technologies:
(1) second pond process: medical waste water flows into second pond after the process of MBR pond, and medical waste water is divided into supernatant liquor and mud two portions in second pond after staticizing process;
(2) sterilization pool process: the supernatant fraction in second pond enters in sterilization pool, the dioxide peroxide added in medical waste water by the medicine machine in sterilization pool is mixed;
(3) discharge: after sterilization pool process, medical waste water up to standard is by outer row's municipal wastewater pipe network.
2. a kind of medical waste water tertiary treatment process according to claim 1, is characterized in that: the foreign material produced after being processed by settling pit, settling tank, second pond and MBR pond need regularly sterilization to topple over outward transport.
3. a kind of medical waste water tertiary treatment process according to claim 1, it is characterized in that: described fishing device comprises support (1) and lifting gear (2), described support (1) is arranged on settling pit pool wall, and support (1) is provided with chute; Described lifting gear (2) is connected with support (1), lifting gear (2) comprises bracing frame (21), joint (22), traction rope (23), hook (24) and promotes net (25), described bracing frame (21) is provided with slide block, slide block is connected with chute, and bracing frame (21) shape is identical with settling pit shape; Described traction rope (23) is connected with bracing frame (21) by joint; Described lifting net (25) is arranged on bracing frame (21) by hook (24).
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| CN105601037A (en) * | 2015-12-29 | 2016-05-25 | 太仓弘杉环保科技有限公司 | Underground wastewater treatment method and treatment device thereof |
| CN106145565A (en) * | 2016-09-06 | 2016-11-23 | 苏州方舟环保科技有限公司 | A kind of efficient laboratory waste liquid processing method and processing device |
| CN106325184A (en) * | 2016-08-23 | 2017-01-11 | 程木华 | Intelligent monitoring method for medical radioactive liquid waste discharging and monitoring system for realizing same |
| CN107140784A (en) * | 2017-04-28 | 2017-09-08 | 皖西学院 | A kind of medical sewage multisection type water treatment system and processing method |
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| CN108689558A (en) * | 2018-08-17 | 2018-10-23 | 贵州丹霞城玻璃钢制品有限公司 | A kind of integrated sewage treating apparatus |
| CN111453916A (en) * | 2019-01-18 | 2020-07-28 | 上海多狄环保科技有限公司 | Stem cell blood test effluent disposal system |
| CN111453934A (en) * | 2020-05-07 | 2020-07-28 | 中韩杜科泵业(浙江)有限公司 | Intelligent medical wastewater treatment equipment |
| CN114477628A (en) * | 2022-01-14 | 2022-05-13 | 湖北瑞思凯尔环境科技有限公司 | Medical wastewater treatment system of integration |
| CN114644427A (en) * | 2022-01-28 | 2022-06-21 | 国网河北省电力有限公司电力科学研究院 | Wastewater treatment system and method for water ecological power plant |
| CN114590930A (en) * | 2022-04-22 | 2022-06-07 | 四川益民生物科技有限责任公司 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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