CN203728690U - Wastewater purification device - Google Patents

Wastewater purification device Download PDF

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Publication number
CN203728690U
CN203728690U CN201420122311.0U CN201420122311U CN203728690U CN 203728690 U CN203728690 U CN 203728690U CN 201420122311 U CN201420122311 U CN 201420122311U CN 203728690 U CN203728690 U CN 203728690U
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CN
China
Prior art keywords
tank
layer
filtering basin
microbial reaction
pipeline
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201420122311.0U
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Chinese (zh)
Inventor
李丽萍
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李丽萍
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Priority to CN201420122311.0U priority Critical patent/CN203728690U/en
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Publication of CN203728690U publication Critical patent/CN203728690U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model belongs to the field of sewage treatment, and discloses a wastewater purification device. The wastewater purification device comprises a grid well, a sedimentation tank, a first filter tank, a microbial reaction tank, a second filter tank, a disinfection tank and a dechlorination tank which are sequentially connected via pipelines, wherein a thin rotary grid is mounted in the grid well; a bottom filler of the sedimentation tank is river sand; a bottom filler of the first filter tank is divided into an attapulgite layer, a kieselguhr layer and an activated carbon layer sequentially from the bottom up; a valve is arranged on the pipeline between the sedimentation tank and the first filter tank; a pH (potential of hydrogen) detector is arranged between the first filter tank and the microbial reaction tank; a feed port is formed at the top of the microbial reaction tank; a bottom filler of the second filter tank is a cation polyacrylamide layer and a macroporous resin layer sequentially from the bottom up; a plate frame filter is arranged on the pipeline between the second filter tank and the disinfection tank; and a chlorine dioxide inlet is formed at the top of the disinfection tank.

Description

A kind of waste water purification device
Technical field
The utility model belongs to technical field of sewage, relates to a kind of waste water purification device, relates in particular to a kind of hospital wastewater refining plant.
Background technology
The water quality characteristics of hospital sewage is to contain a large amount of pathogenic agent-germs, virus and parasitic ovum.As tuberculosis hospital's sewage, every liter can detect tubercule bacillus hundreds of thousands of to millions of.Hospital sewage also contains the number of chemical materials such as sterilizing agent, medicament, reagent.Utilize the sewage of the hospital of radio isotope medical procedure also to contain radioactive substance.The factors such as the weather of the water yield of hospital sewage and the character of hospital, scale and location are relevant, are generally 200~1000 liters of every days by every sick bed.
The conventional storage of the radioactive dirty water damped method processing that hospital discharges.The conventional radio isotope of hospital is as 131 iodine, 32 phosphorus, 198 gold medals, 24 sodium etc. are shorter isotropic substances of transformation period, therefore radioactive dirty water can be stored in underground special decay pond, period of storage be 10 times to the transformation period, radioactive concentration is dropped to the degree of permissible discharge.If the concentration of radioactive dirty water is very low, the water yield is very little, also can use dilution method processing." the radioactivity protection regulation " of China requires each microcurie radio isotope to reach permissible discharge concentration need dilute the water yield 1.67 meter 3.Dense when radioactive dirty water, radioactive transformation period is very long, and should not process by storage method and dilution method time, available method of evaporation, ion exchange method or coagulating sedimentation separate concentration (seeing radioactive dirty water processing).
The mud of discharging in Hospital Sewage Treatment process is by every sick bed, and every day, 0.7~1 liter of average out to, moisture 95%, contains 70~80% of pathogenic agent total amount in sewage, must disinfection.Sterilization method has thermal sterilization, chemical agent sterilization, gamma-rays sterilization etc.The thermal source of thermal sterilization is generally steam, electric energy or bioenergy (During High-Temperature Composting), and sun power can be used in some areas, or with burning method processing (seeing sludge incineration).Chemical agent sterilize available chlorinated lime, lime, ammoniacal liquor, liquid chlorine or caustic soda etc., during with chlorinated lime or liquid chlorine, available chlorine consumption is about 2.5% of sludge quantity.While using basic agent, after the pH value of mud reaches 12, more than keeping half an hour, effect is best.The sterilize mixture of available 60 cobalts or some fission products of gamma-rays is made source of radiation, and radiation dose is 20~300,000 roentgens.Sludge disinfection is not produced to foul smell by this method, and can improve dehydration and the settleability of mud, but expense is higher.There is in addition the method for utilizing ozonization, although this method can be bacterium, virus protein deactivation, the later water of sterilization does not have the sterilization effect of pressing down, and is easy to occur secondary pollution, and utilize ozonization cost high, cannot extensively utilize.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, and a kind of hospital wastewater refining plant is provided.The utility model completes by following technical solution:
A kind of waste water purification device, comprises the grille well that pipeline connects successively, settling tank, the first filtering basin, microbial reaction pond, the second filtering basin, sterilization pool and dechlorination pond;
1 rotary fine fack is installed in described grille well, and the particulate state suspended substance that the particle diameter in sewage is greater than to 3mm picks up and is delivered to used for methane tank in fermentation gas by worm conveyor;
The bottom filling of described settling tank is the river sand of 50cm thickness, and the particle diameter of river sand is 1mm; Can be to some flocculated impurities, such as colloids etc., tentatively adsorb and precipitate;
The bottom filling of described the first filtering basin is divided into three layers, is Attapulgite soil layer from down to up successively, diatomite layer and active carbon layer, and every layer thickness is 20cm; Adopt multilayer absorption setting, its can effectively carry out different-grain diameter and kind organic compound absorption and remove;
On pipeline between described settling tank and the first filtering basin, be provided with valve, for regulating flow velocity, avoid, because current are excessive, can pollute thing and adsorbing halfway defect;
Between described the first filtering basin and microbial reaction pond, be provided with pH value detector, for detection of the potential of hydrogen of current that enters micronic dust thing reaction tank;
The top in described microbial reaction pond is provided with dog-house, for dropping into acid-base modifier or microbiological culture media, also can be used as ventilating pit simultaneously; By dropping into acid-base modifier, make the solution in reaction tank reach the best pH that is applicable to microorganism fermentation, keep good reaction efficiency;
The bottom filling of described the second filtering basin is followed successively by cationic polyacrylamide layer and macroporous resin layer from down to up, and thickness is 30cm, to be used for residual chemical substance in Adsorption microbial reaction pond; On pipeline between described the second filtering basin and sterilization pool, be provided with plate filter, for collecting microorganism and tunning is prepared bacterial manure; Maximally utilise microorganism raw material, and avoided microorganism to bring water body into, caused secondary pollution;
Described sterilization pool top is provided with dioxide peroxide admission port; Dioxide peroxide enters into sterilization pool disinfection, and then current enter dechlorination pond and carry out discharging after dechlorination;
Microorganism in described microbial reaction pond is the bacterial classification of the industrial compound of can degrading (for example phenyl amines, the Phosphorus compound of nitrogen) of routine, for example rhodococcus, thiobacillus, genus bacillus, pseudomonas aeruginosa, nitrococcus and Paracoccus denitrificans etc., or their combination.
By above-mentioned known to description of the present utility model, the utility model possesses following advantage:
Adopt physico-chemical process and microbial process to combine, effectively removed various impurity and the chemical substance in medical waste water, and effective recycling waste material, realized and having turned waste into wealth; For the pollutent of different sizes and kind, adopt multiple precipitation medium and filtration medium to carry out multiple Adsorption, avoid the residual of harmful chemical; The micronic dust thing of collecting can be used to prepare bacterial manure, has avoided microorganism to be discharged in water body simultaneously, causes secondary pollution of water; Waste water again process Chloride Dioxide Disinfection Technology processing can kill bacterium and virus protein substantially.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Diagram is the structural representation of a kind of waste water purification device of the present invention.
In Fig. 1: 1 grille well, 2 settling tanks, 3 first filtering basin, 4 microbial reaction ponds, 5 second filtering basin, 6 plate filters, 7 sterilization pools, 8 dechlorination ponds, 9 valves, 10pH value detector, 11 dog-houses, 12 dioxide peroxide admission ports.
Embodiment
A kind of waste water purification device, comprises the grille well that pipeline connects successively, settling tank, the first filtering basin, microbial reaction pond, the second filtering basin, sterilization pool and dechlorination pond;
1 rotary fine fack is installed in described grille well, and the particulate state suspended substance that the particle diameter in sewage is greater than to 3mm picks up and is delivered to used for methane tank in fermentation gas by worm conveyor;
The bottom filling of described settling tank is the river sand of 50cm thickness, and the particle diameter of river sand is 1mm; Can be to some flocculated impurities, such as colloids etc., tentatively adsorb and precipitate;
The bottom filling of described the first filtering basin is divided into three layers, is Attapulgite soil layer from down to up successively, diatomite layer and active carbon layer, and every layer thickness is 20cm; Adopt multilayer absorption setting, its can effectively carry out different-grain diameter and kind organic compound absorption and remove;
On pipeline between described settling tank and the first filtering basin, be provided with valve, for regulating flow velocity, avoid, because current are excessive, can pollute thing and adsorbing halfway defect;
Between described the first filtering basin and microbial reaction pond, be provided with pH value detector, for detection of the potential of hydrogen of current that enters microbial reaction pond;
The top in described microbial reaction pond is provided with dog-house, for dropping into acid-base modifier or microbiological culture media, also can be used as ventilating pit simultaneously; By dropping into acid-base modifier, make the solution in reaction tank reach the best pH that is applicable to microorganism fermentation, keep good reaction efficiency;
The bottom filling of described the second filtering basin is followed successively by cationic polyacrylamide layer and macroporous resin layer from down to up, and every layer thickness is 30cm, to be used for residual chemical substance in Adsorption microbial reaction pond; On pipeline between described the second filtering basin and sterilization pool, be provided with plate filter, for collecting microorganism and tunning is prepared bacterial manure; Maximally utilise micronic dust raw material, and avoided microorganism to bring water body into, caused secondary pollution;
Described sterilization pool top is provided with dioxide peroxide admission port; Dioxide peroxide enters into sterilization pool disinfection to kill remaining pathogenic bacteria, and then current enter dechlorination pond and carry out discharging after dechlorination.
Microorganism in described microbial reaction pond is the bacterial classification of the industrial compound of can degrading (for example phenyl amines, the Phosphorus compound of nitrogen) of routine, for example rhodococcus, thiobacillus, genus bacillus, pseudomonas aeruginosa, nitrococcus and Paracoccus denitrificans etc., or their combination.
Although the utility model here specifically describes in conjunction with the specific embodiments, but be understandable that this is illustration instead of restriction, do not departing under the prerequisite of the spirit of the present invention that accessory claim limits, in the scope of disclosed and accompanying drawing above, it is all possible reasonably changing and revising.

Claims (1)

1. a waste water purification device, comprises the grille well that pipeline connects successively, settling tank, the first filtering basin, microbial reaction pond, the second filtering basin, sterilization pool and dechlorination pond; 1 rotary fine fack is installed in described grille well, and the particulate state suspended substance that the particle diameter in sewage is greater than to 3mm picks up and is delivered to used for methane tank in fermentation gas by worm conveyor; The bottom filling of described settling tank is the river sand of 50cm thickness, and the particle diameter of river sand is 1mm; The bottom filling of described the first filtering basin is divided into three layers, is Attapulgite soil layer from down to up successively, diatomite layer and active carbon layer, and every layer thickness is 20cm; On pipeline between described settling tank and the first filtering basin, be provided with valve, for regulating flow velocity; Between described the first filtering basin and microbial reaction pond, be provided with pH value detector; The top in described microbial reaction pond is provided with dog-house; The bottom filling of described the second filtering basin is followed successively by cationic polyacrylamide layer and macroporous resin layer from down to up, and thickness is 30cm; Between described the second filtering basin and described sterilization pool, on pipeline, be provided with plate filter; Described sterilization pool top is provided with dioxide peroxide admission port.
CN201420122311.0U 2014-03-18 2014-03-18 Wastewater purification device Expired - Fee Related CN203728690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420122311.0U CN203728690U (en) 2014-03-18 2014-03-18 Wastewater purification device

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Application Number Priority Date Filing Date Title
CN201420122311.0U CN203728690U (en) 2014-03-18 2014-03-18 Wastewater purification device

Publications (1)

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CN203728690U true CN203728690U (en) 2014-07-23

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CN201420122311.0U Expired - Fee Related CN203728690U (en) 2014-03-18 2014-03-18 Wastewater purification device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630283A (en) * 2016-12-26 2017-05-10 安徽元通采暖科技有限公司 Treatment process of hospital sewage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630283A (en) * 2016-12-26 2017-05-10 安徽元通采暖科技有限公司 Treatment process of hospital sewage

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140723

Termination date: 20150318