CN206428054U - A kind of manpower rapid-infiltration device of electrode strengthened denitrification - Google Patents
A kind of manpower rapid-infiltration device of electrode strengthened denitrification Download PDFInfo
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- CN206428054U CN206428054U CN201720088815.9U CN201720088815U CN206428054U CN 206428054 U CN206428054 U CN 206428054U CN 201720088815 U CN201720088815 U CN 201720088815U CN 206428054 U CN206428054 U CN 206428054U
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Abstract
The utility model discloses a kind of manpower rapid-infiltration device of electrode strengthened denitrification, including the inlet water tank connected by pipeline, sprinkler, and it is arranged at the reaction tank below sprinkler, inhalant region is disposed with reaction tank from top to bottom, cushion, reaction zone one, separate layer, reaction zone two, supporting layer, reaction tank bottom is provided with delivery port, nitrobacteria is attached with filler in reaction zone one, reaction tank inwall at reaction zone two is provided with high-purity iron plate, and be attached with reaction zone two in the filler of denitrifying bacteria and be additionally provided with high purity graphite carbon-point, high-purity iron plate and high purity graphite carbon-point is connected by wire with power supply.In general, the manpower rapid-infiltration device has the advantages that simple in construction, easy to operate, stability is high, is a kind of sewage disposal system efficiently, economic, suitable for large-scale production, is had broad application prospects in sewage treatment area.
Description
Technical field
The utility model belongs to sewage disposal device technology and is beneficial to, and in particular to a kind of electrode strengthened denitrification manpower rapid-infiltration dress
Put.
Background technology
Without substantial amounts of nitrogen pollutant may be contained in the industrial wastewater, agricultural effluent and sanitary sewage that effectively handle,
If it is arbitrarily discharged into slow flow water bodies, algae and other planktonic organism excessive multiplications will be caused, body eutrophication is induced, cause water
Environment pollution in wide area, serious threat is caused to ecological environment, social economy and health.With the water money being becoming increasingly acute
Source shortage and body eutrophication problem, the preventing and treating of water pollution is increasingly taken seriously, while the discharge standard of nitrogen is also more next
It is stricter, thus seek the focus that economic, denitrogenation method efficiently, environmentally friendly has become water treatment field research in recent years.
Manual controlled infusion grows up on the basis of traditional rapid infiltration system, and collection is built and operating cost is low, run
Stably, the Novel sewage treatment technology that the advantages of construction period is short, outlet effect is good is integrated.The system is utilized in the waterflooding phase oozes
Filter medium absorption, retention polluter, falling dry spell by the microbial degradation polluter of apposition growth on medium to reach
Purify the effect of sewage.The technology to processing small town sewage, the incomplete domestic sewage in rural areas of sewage treatment facility with
And effect during polluted surface water is significantly, the clearance of COD, ammonia nitrogen, suspension etc. is but right up to more than 80%
The removal effect of total nitrogen is very poor, and clearance only has 30% or so, it is difficult to reach discharge standard.To find out its cause, because people
Work rapid infiltration system is intake using gravity pulling flow type, and nitric acid is changed into by the effect of nitrobacteria in nitrification stage most ammonia-nitrogen
Salt nitrogen or nitrite nitrogen, while organic matter is degraded step by step in the presence of heterotroph, when reaching the denitrification stage, denitrification is thin
Bacterium cannot get enough organic substance supply growth metabolisms, only least a portion of nitrate nitrogen or nitrite nitrogen energy successful conversion
Escaped for nitrogen, major part is still discharged with water outlet, is caused its nitrogen removal rate low, is hindered the technology in sewage water denitrification field
Application and development.
Therefore, if a kind of manual controlled infusion of efficient denitrification can be developed, for the purification of polluted water body, to promoter
Work oozes ecological wastewater processing technology soon, prevent body eutrophication and realize water resource sustainable use be respectively provided with it is important
Realistic meaning.
Utility model content
The purpose of this utility model is to solve the above problems that there is provided a kind of simple in construction, electrode that total nitrogen removal efficiency is high
The manpower rapid-infiltration device of strengthened denitrification.
In order to solve the above technical problems, the technical solution of the utility model is:A kind of manpower rapid-infiltration of electrode strengthened denitrification
Device, including inlet water tank, the sprinkler connected by pipeline, and it is arranged at the reaction tank below sprinkler, the reaction tank
Inhalant region, cushion, reaction zone one, separate layer, reaction zone two, supporting layer, reaction tank bottom are inside disposed with from top to bottom
Provided with delivery port, nitrobacteria is attached with the filler in the reaction zone one, the reaction tank inwall of reaction zone two is provided with height
Pure iron piece, and be attached with reaction zone two in the filler of denitrifying bacteria and be additionally provided with high purity graphite carbon-point, high-purity iron plate and height
Pure graphite carbon rod is connected by wire with power supply.
Preferably, peristaltic pump is additionally provided between the inlet water tank and sprinkler, inlet water tank, peristaltic pump, sprinkler lead to successively
Piping is connected.
Preferably, the pipeline between the inlet water tank and peristaltic pump is provided with microcomputer time controller, the peristaltic pump and spray
The pipeline spilt between device is provided with flowmeter.
Preferably, the reaction zone one uses volume ratio for 9:1 natural river sand, zeolite sand are uniformly after mixing as filling out
Material, the natural river sand is by fine sand and coarse sand according to volume ratio 4:1 is uniformly mixed, particle diameter be respectively 0.2~0.5mm, 1~
2mm, zeolite sand grains footpath is 2~3mm.
Preferably, the reaction zone two uses volume ratio for 8:1:1 natural river sand, zeolite sand and sheep manure charcoal are uniform
As filler after mixing, natural river sand is by fine sand and coarse sand according to volume ratio 4:1 is uniformly mixed, and particle diameter is respectively 0.2~
0.5mm, 1~2mm, zeolite sand grains footpath are 2~3mm, and the particle diameter of sheep manure charcoal is 0.05~0.15mm.
Preferably, the cushion, separate layer and supporting layer are using gravel as filler, and grain size of gravel is 5~8mm.
Preferably, the height of the reaction zone one is 1.6~2.5 times of the height of reaction zone two.
Preferably, the height of the inhalant region is 14~20cm, is not filled with any filler.
Preferably, the height of the cushion, separate layer and supporting layer is 2~5cm.
The beneficial effects of the utility model are:The manpower rapid-infiltration device for the electrode strengthened denitrification that the utility model is provided, instead
Answer area one that gas explosion equipment need not be set, nitrifier is met in demand of the nitrifying process to oxygen by natural reaeration, people has been saved
Energy consumption needed for work aeration oxygen supply, and reaction zone two produces H using high-purity iron plate and high purity graphite carbon-point under micro-current2And CO2,
Respectively the autotrophic denitrification stage provides electron donor and inorganic carbon source, while good scarce/anaerobic environment is ensure that, so that
Can on the premise of without additional carbon strengthened denitrification effect.In general, the manpower rapid-infiltration device has simple in construction, operation
The high advantage of convenient, stability, is a kind of sewage disposal system efficiently, economic, suitable for large-scale production, in sewage disposal neck
Domain has broad application prospects.
Brief description of the drawings
Fig. 1 is the manpower rapid-infiltration apparatus structure schematic diagram of the utility model electrode strengthened denitrification.
Description of reference numerals:1st, inlet water tank;2nd, microcomputer time controller;3rd, peristaltic pump;4th, flowmeter;5th, sprinkler;6th, enter
Pool;7th, cushion;8th, reaction zone one;9th, separate layer;10th, reaction zone two;11st, supporting layer;12nd, delivery port;13rd, high purity graphite
Carbon-point;14th, high-purity iron plate;15th, power supply.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings:
As shown in figure 1, the manpower rapid-infiltration device of motor strengthened denitrification of the present utility model, including inlet water tank 1, sprinkler 5
And reaction tank.Inlet water tank 1 and sprinkler 5 are connected by pipeline, and reaction tank is arranged at the lower section of sprinkler 5.Sprinkler 5 is used for uniform
Water distribution.Be disposed with from top to bottom in reaction tank inhalant region 6, cushion 7, reaction zone 1, separate layer 9, reaction zone 2 10,
Supporting layer 11, reaction tank bottom is provided with delivery port 12.Nitrobacteria, reaction zone 2 10 are attached with filler in reaction zone 1
Denitrifying bacteria is attached with interior filler.Reaction tank inwall at reaction zone 2 10 is provided with high-purity iron plate 14, and instead
Answer and high purity graphite carbon-point 13 be also inserted among the filler in area 2 10, high-purity iron plate 14 and high purity graphite carbon-point 13 by wire with
Power supply 15 is connected.
In the present embodiment, peristaltic pump 3 is additionally provided between inlet water tank 1 and sprinkler 5, peristaltic pump 3 is used to intake.Inlet water tank
1st, peristaltic pump 3, sprinkler 5 pass sequentially through pipeline connection.Pipeline between inlet water tank 1 and peristaltic pump 3 is provided with microcomputer timing
Device 2, the pipeline between peristaltic pump 3 and sprinkler 5 is provided with flowmeter 4.Microcomputer time controller 2 is used to control flooding time, flows
Gauge 4 is used to control flow of inlet water.It should be noted that timer 2, peristaltic pump 3 and flowmeter 4 be the present embodiment in it is excellent
Select mode.Peristaltic pump 3 can also be not provided with the utility model, directly raw water is entered in sprinkler 5 using Action of Gravity Field.And
The purpose of timer 2 and flowmeter 4 be in order to preferably control original sub-block amount so that further improve wastewater treatment efficiency and
Efficiency.Inflow can also be controlled using other manner.Power supply 15 uses adjustable DC power supply.High-purity iron plate 14
It can be bought and obtained by market with high purity graphite carbon-point 13.
Further, in the present embodiment, the height of reaction zone 1 is 1.6~2.5 times of the height of reaction zone 2 10.Enter
The height in pool 6 is 14~20cm, is not filled with any filler.Reaction zone 1 uses volume ratio for 9:1 natural river sand, zeolite
As filler after sand is well mixed, natural river sand is by fine sand and coarse sand according to volume ratio 4:1 is uniformly mixed, and particle diameter is respectively
0.2~0.5mm, 1~2mm, zeolite sand grains footpath are 2~3mm.Reaction zone 2 10 uses volume ratio for 8:1:1 natural river sand, boiling
As filler after stone sand and sheep manure charcoal are well mixed, natural river sand is by fine sand and coarse sand according to volume ratio 4:1 uniform mixing
Form, particle diameter is respectively 0.2~0.5mm, 1~2mm, zeolite sand grains footpath is 2~3mm, the particle diameter of sheep manure charcoal for 0.05~
0.15mm.The height of cushion 7, separate layer 9 and supporting layer 11 is 2~5cm, is used as filler, grain size of gravel using gravel
For 5~8mm.
Wherein, the preparation method of sheep manure charcoal is as follows:Dry and choose the impurity in sheep manure, dried after crushing, mistake
0.25mm is sieved, and takes appropriate in crucible, is put into after covering in Muffle furnace, is heated to constant temperature 3h after 650 DEG C.Be cooled to after room temperature with
Solid-to-liquid ratio (m:V)1:20 ratio is added in 1.0mol/L hydrochloric acid solution, is put into concussion case and is shaken 2~3 times at room temperature, often
Secondary 0.5~1.0h, concussion frequency is 150~300r/min.Cleaned repeatedly to neutrality, drying, mistake with deionized water after end
0.15mm is sieved, and is carried out mark, is stored in standby in drying box.
Obviously, the preparation method of sheep manure charcoal is not limited to above-mentioned steps and corresponding parameter, can use this area
In other conventional sheep manure charcoal preparation methods.Further, except sheep manure charcoal is used, other animal excreta systems can also be used
Sheep manure charcoal or composition mixture are replaced as biological carbon.Sheep manure charcoal can be adsorbed effectively as a kind of high-quality adsorbent
The pollutants such as nitrate nitrogen or nitrite nitrogen in sewage, improve the denitrification efficiency of reaction zone 2 10, while being animal dung
Just Novel reclamation, which is utilized, provides new way, helps to solve the problem of environmental pollution that feces of livestock and poultry surplus is brought.Not only
In this way, sheep manure also plays certain conductive effect to sheep manure charcoal during the course of the reaction, so as to improve manual controlled infusion denitrogenation
Efficiency.
What deserves to be explained is, the specific height and ratio of each section be not specifically limited in reaction tank, can be according to reality
Border requires to be set accordingly.In addition, the filler of each section is set, including filling kind, composition, ratio and specific chi
It is very little etc., it is also not limited to described in the present embodiment, other conventional filling kinds and corresponding parameter in this area can be used to enter
Row is loaded.
The utility model is to the cutting mechanisms of nitrogen:Nitrogen-containing pollutant matter in waste water is filled section in reaction zone 1
Stay or adsorb, during the aerobic reaction of wet/dry alternate run, be attached to the nitrobacteria on filler using the nothing in waste water
Most ammonia-nitrogen is changed into nitrate or nitrite by machine carbon source, into after reaction zone 2 10, and heterotrophic microorganism utilizes residue
Organic carbon source carry out denitrification denitrogenation, while the high-purity iron plate 14 being immersed in sewage H for producing under micro-current effect2,
Electron donor can be provided for the hydrogen autotrophic denitrification bacterium in denitrification process, the efficiency of denitrification process is improved.In addition, in system
High purity graphite carbon-point 13 under micro-current effect the CO that produces2, inorganic carbon source can be provided for autotrophic denitrification bacterium, and favorably
Environment lack/is detested in building, so as to further increase the device to nitrate or the clearance of nitrite.
The chemical equation in hydrogen autotrophic denitrification stage is as follows:
Negative electrode:
2H++2e→H2 (e0=0.828V)
2H2O+2e-→H2+2OH- (e0=0V)
Anode:
C+2H2O→CO2+4H++4e- (e0=0.207V)
2OH-→0.5O2+H2O+2e (e0=1.229V)
Overall reaction:
2NO3 -+5H2+2H+→N2+6H2O
The utility model is described further below by way of specific experimental example, further to show the utility model
Advantage and principle:
Experimental example
Water inlet is derived from the sanitary sewage in certain student dormitory area, is diluted by running water or adds C6H12O6、NH4Cl、
NaHCO3, HCl etc., its main water quality index is reached scope as shown in table 1.
Table 1:Intake main water quality index
The method of operation is as follows:Under the conditions of room temperature (25 ± 2) DEG C, sewage is delivered to sprinkler 5 by peristaltic pump 3, from entering
Pool 6 is flowed into, and is penetrated into after cushion 7 in the filler of reaction zone 1, then the infiltration reaction zone 2 10 after separate layer 9
In filler, eventually pass after supporting layer 11 and to be discharged from delivery port 12.Microcomputer time controller 2 and flowmeter 4 are used in running
To control water distribution time and flow, hydraulic load is 1.0m3/(m2D), turbine generating set is 6~8 hours, and wet-dry ratio is 1:
2~1:3, current strength is 4~10mA.Continuous operation 2 months, an effluent quality is detected per 2d.As a result show, water outlet COD,
NH3- N, TN concentration are respectively 10.5~36.2mg/L, 0.2~3.7mg/L, 4.2~14.5mg/L, wherein TN clearance
For 64.3~87.3%, 30~50% are improved compared to Traditional Man rapid infiltration system.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this reality
With new principle, it should be understood that protection domain of the present utility model is not limited to such especially statement and embodiment.
One of ordinary skill in the art can these technical inspirations according to disclosed in the utility model make and various do not depart from this practicality
New substantive other various specific deformations and combination, these deformations and combination are still in protection domain of the present utility model.
Claims (9)
1. a kind of manpower rapid-infiltration device of electrode strengthened denitrification, it is characterised in that:Including connected by pipeline inlet water tank (1),
Sprinkler (5), and be arranged in the reaction tank below sprinkler (5), the reaction tank and be disposed with from top to bottom into water
Area (6), cushion (7), reaction zone one (8), separate layer (9), reaction zone two (10), supporting layer (11), reaction tank bottom is provided with
It is attached with the filler in nitrobacteria, reaction zone two (10) and adheres on filler in delivery port (12), the reaction zone one (8)
There is denitrifying bacteria, the reaction tank inwall at reaction zone two (10) place is provided with high-purity iron plate (14), and in reaction zone two (10)
Filler in be also inserted with high purity graphite carbon-point (13), high-purity iron plate (14) and high purity graphite carbon-point (13) by wire with
Power supply (15) is connected.
2. the manpower rapid-infiltration device of electrode strengthened denitrification according to claim 1, it is characterised in that:The inlet water tank (1)
Peristaltic pump (3) is additionally provided between sprinkler (5), inlet water tank (1), peristaltic pump (3), sprinkler (5) pass sequentially through pipeline connection.
3. the manpower rapid-infiltration device of electrode strengthened denitrification according to claim 1, it is characterised in that:The inlet water tank (1)
Pipeline between peristaltic pump (3) is provided with microcomputer time controller (2), the pipeline between the peristaltic pump (3) and sprinkler (5)
It is provided with flowmeter (4).
4. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The reaction
Area one (8) uses volume ratio for 9:As filler after 1 natural river sand, zeolite sand are well mixed, the natural river sand is by fine sand
With coarse sand according to volume ratio 4:1 is uniformly mixed, and particle diameter is respectively 0.2~0.5mm, 1~2mm, and zeolite sand grains footpath is 2~
3mm。
5. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The reaction
Area two (10) uses volume ratio for 8:1:As filler after 1 natural river sand, zeolite sand and sheep manure charcoal are well mixed, naturally
River sand is by fine sand and coarse sand according to volume ratio 4:1 is uniformly mixed, and particle diameter is respectively 0.2~0.5mm, 1~2mm, zeolite sand
Particle diameter is 2~3mm, and the particle diameter of sheep manure charcoal is 0.05~0.15mm.
6. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The buffering
Layer (7), separate layer (9) and supporting layer (11) are using gravel as filler, and grain size of gravel is 5~8mm.
7. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The reaction
The height in area one (8) is 1.6~2.5 times of reaction zone two (10) height.
8. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The water inlet
The height in area (6) is 14~20cm, is not filled with any filler.
9. according to the manpower rapid-infiltration device of any described electrode strengthened denitrifications of claim 1-3, it is characterised in that:The buffering
The height of layer (7), separate layer (9) and supporting layer (11) is 2~5cm.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110156148A (en) * | 2019-07-02 | 2019-08-23 | 南京大学 | It is a kind of to strengthen pollution cutting device for the electrolysis for entering river pollution |
CN111908704A (en) * | 2020-06-15 | 2020-11-10 | 安徽工程大学 | Device and method for removing advanced treatment of effluent from biochemical treatment of wastewater |
-
2017
- 2017-01-23 CN CN201720088815.9U patent/CN206428054U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110156148A (en) * | 2019-07-02 | 2019-08-23 | 南京大学 | It is a kind of to strengthen pollution cutting device for the electrolysis for entering river pollution |
CN111908704A (en) * | 2020-06-15 | 2020-11-10 | 安徽工程大学 | Device and method for removing advanced treatment of effluent from biochemical treatment of wastewater |
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