CN109879423A - Nested type reaction and precipitation integral water treatment facilities - Google Patents
Nested type reaction and precipitation integral water treatment facilities Download PDFInfo
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- CN109879423A CN109879423A CN201910229385.1A CN201910229385A CN109879423A CN 109879423 A CN109879423 A CN 109879423A CN 201910229385 A CN201910229385 A CN 201910229385A CN 109879423 A CN109879423 A CN 109879423A
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- overflow port
- chamber
- channel
- nitrification
- denitrification
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Abstract
The invention discloses nested type reaction and precipitation integral water treatment facilities, denitrification chamber is equipped with water inlet and the first overflow port, and the first overflow port is higher than water inlet, and denitrification chamber is connected to by the first overflow port with nitrification channel；It nitrifies channel and is equipped with the second overflow port, the second overflow port is lower than the first overflow port, and nitrification channel is connected to by the second overflow port with precipitating chamber；It precipitates chamber and is equipped with third overflow port, third overflow port is higher than the second overflow port.The utility model has the advantages that denitrification chamber, nitrification channel and precipitating chamber use nested type arragement construction, be conducive to improve space utilization rate.Residual bait, excrement in aquaculture discharge water can be used as endogenous carbon source in intracavitary decompose of denitrification.Denitrification filler can be used as the carbon source supplement of anti-nitration reaction, is conducive to make full use of biomass filler and improves denitrification efficiency, it can be achieved that recycling for cultivation discharge water, keeps water treatment system economical and practical and environmentally protective.The present invention relates to water treatment facilities.
Description
Technical field
The present invention relates to water treatment facilities, in particular to nested type reaction and precipitation integral water treatment facilities.
Background technique
As aquaculture is developed from traditional extensive flowing water culture mode to high density, intensive aquaculture model,
The problems such as aquaculture scale and yield are increasingly soaring, and consequent cultivation pollution of area source, the farming disease harms increase is increasingly serious.
Traditional circulating water cultivation water treatment system removes residual bait excrement etc. by physical methods such as mechanical filter, air bearings
After particulate matter, using the metabolism of microorganism by the dissolubilities inorganic nitrogen such as the ammonia nitrogen of high bio-toxicity, nitrite nitrogen
It is converted to low bio-toxicity nitrate nitrogen.The technological deficiency of traditional circulating water cultivation water treatment system is: carbon source lacks, and is
Uniting, denitrification efficiency is low, and nitrate nitrogen constantly accumulates in system, and the nitrate nitrogen of high concentration may generate murder by poisoning to aquaculture organism
Effect.
Using the water treatment system of the intensified anti-nitrated denitrogenation of regular additional carbon, technological deficiency is: carbon source demand amount
Greatly, cost of water treatment is caused to greatly increase.To guarantee economic benefit of aquaculture, finally often nitrate must be solved by changing water
Nitrogen accumulates problem, it is difficult to realize cultivation discharge water circulation use truly.
In aquaculture process, feeds feed and be often discharged into breeding water body in the form of excrement and other metabolites, this
Class solid waste biodegradability is good, can be decomposed by the microorganisms utilization, and the endogenous carbon source as denitrification denitrogenation.
COD (Chemical Oxygen Demand, abbreviation COD), referring to chemically to measure needs in water sample
The amount for the reducing substances to be oxidized, in waste water, wastewater treatment plant effluent and contaminated water, referring to can be by strong oxidizer oxygen
The oxygen equivalent of the substance of change.
Dissolved oxygen (Dissolved Oxygen, abbreviation DO), refers to the amount for being dissolved in oxygen in water, with oxygen in every liter of water
Milligram number indicates.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of reaction of nested type and precipitation integral water treatment facilities, can
Endogenous carbon source is made full use of to improve denitrification efficiency.
Used technical solution to solve above-mentioned technical problem:
Nested type reaction and precipitation integral water treatment facilities, including several denitrification chambers, nitrification channel and precipitating chamber；Instead
Nitrify chamber be equipped with water inlet and the first overflow port, the first overflow port be higher than water inlet, denitrification chamber by the first overflow port with
Nitrify channel connection；It nitrifies channel and is equipped with the second overflow port, the second overflow port is lower than the first overflow port, and nitrification channel passes through the
Two overflow ports are connected to precipitating chamber；It precipitates chamber and is equipped with third overflow port, third overflow port is higher than the second overflow port；Nitrify channel
It is inside equipped with the first filter device, the first filter device is arranged between the first overflow port and the second overflow port.
As an improvement, denitrification chamber and nitrification channel are located at, precipitating is intracavitary, and each denitrification chamber is arranged in nitrification channel
Around.
As an improvement, the quantity of denitrification chamber is at least two, be equipped with partition between adjacent denitrification chamber, partition from into
The mouth of a river arranges that the top of partition forms water hole, and water hole makes water flow can be from an effluent of partition to the direction of the first overflow port
To the other side of partition, the water hole on the top of each partition is arranged in high infraversion malposition.
As an improvement, nitrification channel is tubular, the section of each denitrification chamber is sector, precipitates the section of chamber as circle
Shape.
As an improvement, being equipped with baffle at the second overflow port, the top of baffle is raised to nitrification channel interior, the top of baffle
Ebb interval was equipped between nitrification channel.
As an improvement, the first filter device is the filter plate of the flow-passing surface arrangement along nitrification channel, filter plate is equipped with several filters
Hole, filter opening run through filter plate.
As an improvement, being equipped with the second filter device, the second filter device between the top of denitrification chamber and the first overflow port
For sieve.
As an improvement, being equipped with aerator in nitrification channel, aerator includes several micro-nano aeration tubes, each micro-nano
Rice aeration tube is arranged in the top of the first filter device.
As an improvement, the bottom of precipitating chamber is cone, precipitating chamber is externally provided with the sludge pipe being connected to the bottom of precipitating chamber,
Sludge pipe is equipped with the solenoid valve of controllable sludge pipe on off operating mode.
The utility model has the advantages that the residual bait, excrement in aquaculture discharge water can be used as endogenous carbon source in intracavitary decompose of denitrification.
Cultivation discharge water can denitrification it is intracavitary with using denitrification filler as carbon source progress anti-nitration reaction, and nitrifying channel in
Nitration reaction is carried out with nitrification filler.Denitrification filler selects the biomass filler such as rice husk or stalk, can be used as anti-nitration reaction
Carbon source supplement, be conducive to make full use of biomass filler and improve denitrification efficiency, it can be achieved that cultivation discharge water circulation benefit
With keeping water treatment system economical and practical and environmentally protective.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the embodiment of the present invention；
Fig. 3 is the top structure schematic diagram of the embodiment of the present invention.
Specific embodiment
Referring to figs. 1 to 3, nested type reacts and precipitation integral water treatment facilities, including several denitrification chambers 1, nitrification are logical
Road 2 and precipitating chamber 3；Denitrification chamber 1 is equipped with water inlet 4 and the first overflow port 5, and the first overflow port 5 is higher than water inlet 4, anti-nitre
Change chamber 1 and is connected to by the first overflow port 5 with nitrification channel 2；It nitrifies channel 2 and is equipped with the second overflow port 6, the second overflow port 6 is low
In the first overflow port 5, nitrifies channel 2 and be connected to by the second overflow port 6 with precipitating chamber 3；It precipitates chamber 3 and is equipped with third overflow port 7,
Third overflow port 7 is higher than the second overflow port 6；It nitrifies and is equipped with the first filter device 8 in channel 2, the first filter device 8 is arranged in the
Between one overflow port 5 and the second overflow port 6.
Nitrification filler is equipped in the nitrification channel 2 of the present embodiment, filling rate accounts for the 50% to 60% of channel volume, dissolved oxygen
(DO) 2mg/L is maintained to 6mg/L.Denitrification filler, denitrification filler material are equipped in each denitrification chamber 1 of the present embodiment
For the biomass filler such as rice husk or stalk, filling rate accounts for the 70% to 80% of 1 volume of denitrification chamber.
The present embodiment water flow to be processed is cultivation discharge water, and water flow enters denitrification chamber 1 from water inlet 4, and water flow is anti-
It nitrifies in chamber 1 and rises, then entered in nitrification channel 2 by the first overflow port 5.Water flow declines in nitrification channel 2, passes through
It is entered in precipitating chamber 3 by the second overflow port 6 again after first filter device 8.Water flow rises in precipitating chamber 3, passes through third
Overflow port 7 is discharged to outside precipitating chamber 3.
The present embodiment water flow to be processed is cultivation discharge water, and cultivation is discharged big containing more residual bait, excrement etc. in water
Particulate matter.The large particulate matters such as undegradable residual bait, excrement and the biomembrane that falls off can be in the bottom deposit of precipitating chamber 3, precipitating
Supernatant liquor in chamber 3 can be discharged by third overflow port 7.
First filter device 8 of the present embodiment can be used for supporting nitrification filler and realize water distribution uniformity.In cultivation discharge water
Residual bait, excrement and biomembrane that falls off for not decomposed by denitrification chamber 1, and not retained by the first filter device 8 etc. is in precipitating chamber 3
Deposition can be used as organic fertilizer after periodically collecting.
Residual bait, excrement in aquaculture discharge water can decompose in denitrification chamber 1 and be used as endogenous carbon source.Cultivation discharge
Water can in denitrification chamber 1 with using denitrification filler as carbon source carry out anti-nitration reaction, and nitrification channel 2 in nitrification
Filler carries out nitration reaction.Denitrification filler selects the biomass filler such as rice husk or stalk, can be used as the carbon source of anti-nitration reaction
Supplement is conducive to make full use of biomass filler and improves denitrification efficiency, it can be achieved that recycling for cultivation discharge water, makes water
Processing system is economical and practical and environmentally protective.
Preferably, denitrification chamber 1 and nitrification channel 2 are located in precipitating chamber 3, it is logical that each denitrification chamber 1 is arranged in nitrification
Around road 2.
Water flow can flow successively through each denitrification chamber 1 and is flowed into precipitating chamber 3 by nitrifying channel 2.Each denitrification
Chamber 1 is arranged in around nitrification channel 2, can save connecting pipe.Denitrification chamber 1, nitrification channel 2 and precipitating chamber 3 are using nested
Formula arragement construction is conducive to improve space utilization rate.
Preferably, the quantity of denitrification chamber 1 is at least two, partition 9, partition 9 are equipped between adjacent denitrification chamber 1
It is arranged from water inlet 4 to the direction of the first overflow port 5, the top of partition 9 forms water hole, and water hole makes water flow can be from partition 9
Side flow to the other side of partition 9, the water hole on the top of each partition 9 is arranged in high infraversion malposition.
The quantity of the denitrification chamber 1 of the present embodiment is 3, and 3 denitrification chambers 1 are evenly arranged on around nitrification channel 2.Cross water
The arrangement of Kong Chenggao infraversion malposition makes water flow successively baffling can effectively avoid short stream by each denitrification chamber 1, be conducive to water flow
It is come into full contact with denitrification filler and completes anti-nitration reaction.
Preferably, nitrification channel 2 is tubular, the section of each denitrification chamber 1 is sector, and the section of precipitating chamber 3 is
It is round.
Nitrification channel 2, the circular configuration of denitrification chamber 1 and precipitating chamber 3 and nested type arragement construction are conducive to further mention
The space utilization rate of high bioreactor.
Preferably, be equipped with baffle 10 at the second overflow port 6, the top of baffle 10 is to nitrification 2 internal protrusion of channel, baffle
Ebb interval was equipped between 10 top and nitrification channel 2.
The top bump of baffle 10, the water flow that can make to nitrify in channel 2 is wandering around chamber 3 to precipitating, and facilitates water flow
In sediment separated with liquid and improve deposition efficiency.
Preferably, the first filter device 8 is the filter plate of the flow-passing surface arrangement along nitrification channel 2, filter plate is equipped with several
Filter opening, filter opening run through filter plate.
First filter device 8 of the present embodiment may also be configured to netted, sieve-like or labyrinth-like, also can be used in the prior art
Other filter structures replace.First filter device 8 of the present embodiment is filter plate, and structure is simple.The hole of the filter opening of the present embodiment
Diameter is less than the particle size of nitrification filler, makes nitrification filler be not easy to pass through the first filter device 8 and enters in precipitating chamber 3.
Preferably, the second filter device 11 is equipped between the top of denitrification chamber 1 and the first overflow port 5, the second filtering
Device 11 is sieve.
Second filter device 11 of the present embodiment is sieve, can prevent denitrification filler from entering by the first overflow port 5
It nitrifies in channel 2.Second filter device 11 also can be used other filter structures in the prior art to replace.
Preferably, being equipped with aerator 12 in nitrification channel 2, aerator 12 includes several micro-nano aeration tubes, respectively
A micro-nano aeration tube is arranged in the top of the first filter device 8.
Aerator 12 can be the liquid ventilation in nitrification channel 2, be conducive to improve nitrification efficiency.The aeration of the present embodiment
Device 12 also can be used other aeration structures in the prior art to replace.
Preferably, the bottom of precipitating chamber 3 is cone, precipitating chamber 3 is externally provided with the spoil disposal being connected to the bottom of precipitating chamber 3
Pipe 13, sludge pipe 13 are equipped with the solenoid valve 14 of controllable 13 on off operating mode of sludge pipe.
It is the precipitable circle in precipitating 3 bottom of chamber of the large particulate matters such as residual bait, excrement and the biomembrane that falls off of degradation in water
In conical region.The deposit of precipitating 3 bottom of chamber can be discharged in sludge pipe 13.Solenoid valve 14 can control sludge pipe 13 periodically to be arranged
Mud.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, technical field those of ordinary skill within the scope of knowledge, can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (9)
1. nested type reaction and precipitation integral water treatment facilities, it is characterised in that: including several denitrification chambers, nitrification channel and
Precipitate chamber；The denitrification chamber is equipped with water inlet and the first overflow port, and first overflow port is higher than the water inlet, described
Denitrification chamber is connected to by first overflow port with the nitrification channel；The nitrification channel is equipped with the second overflow port, institute
The second overflow port is stated lower than first overflow port, the nitrification channel is connected by second overflow port and the precipitating chamber
It is logical；The precipitating chamber is equipped with third overflow port, and the third overflow port is higher than second overflow port；In the nitrification channel
Equipped with the first filter device, first filter device is arranged between first overflow port and second overflow port.
2. nested type reaction according to claim 1 and precipitation integral water treatment facilities, it is characterised in that: the anti-nitre
Change chamber and the nitrification channel be located at it is described precipitate intracavitary, each denitrification chamber is arranged in around the nitrification channel.
3. nested type reaction according to claim 2 and precipitation integral water treatment facilities, it is characterised in that: the anti-nitre
The quantity for changing chamber is at least two, is equipped with partition between adjacent denitrification chamber, and the partition is from the water inlet to described the
The direction of one overflow port arranges that the top of the partition forms water hole, and water hole makes water flow can be from an effluent of the partition
To the other side of the partition, the water hole on the top of each partition is arranged in high infraversion malposition.
4. nested type reaction according to claim 3 and precipitation integral water treatment facilities, it is characterised in that: the nitrification
Channel is tubular, and the section of each denitrification chamber is sector, and the section of the precipitating chamber is circle.
5. nested type reaction according to claim 4 and precipitation integral water treatment facilities, it is characterised in that: described second
Baffle is equipped at overflow port, the top of the baffle is raised to the nitrification channel interior, the top of the baffle and the nitre
Change and was equipped with ebb interval between channel.
6. nested type reaction according to claim 5 and precipitation integral water treatment facilities, it is characterised in that: described first
Filter device is the filter plate along the flow-passing surface arrangement in the nitrification channel, and the filter plate is equipped with several filter openings, and the filter opening passes through
Wear the filter plate.
7. nested type reaction according to claim 6 and precipitation integral water treatment facilities, it is characterised in that: the anti-nitre
Change and be equipped with the second filter device between the top and first overflow port of chamber, the second filter device is sieve.
8. nested type reaction according to claim 7 and precipitation integral water treatment facilities, it is characterised in that: the nitrification
Aerator is equipped in channel, the aerator includes several micro-nano aeration tubes, each micro-nano aeration tube arrangement
In the top of first filter device.
9. existing according to claim 1 to the reaction of nested type described in 8 any one and precipitation integral water treatment facilities, feature
In: the bottom of the precipitating chamber is cone, and the precipitating chamber is externally provided with the sludge pipe being connected to the bottom of the precipitating chamber, institute
It states sludge pipe and is equipped with the solenoid valve that can control the sludge pipe on off operating mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910229385.1A CN109879423A (en) | 2019-03-25 | 2019-03-25 | Nested type reaction and precipitation integral water treatment facilities |
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| CN201910229385.1A CN109879423A (en) | 2019-03-25 | 2019-03-25 | Nested type reaction and precipitation integral water treatment facilities |
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| CN111657211A (en) * | 2020-06-04 | 2020-09-15 | 湖北省科技信息研究院 | Intelligent cluster aquaculture system and control method |
| CN112320947A (en) * | 2020-10-21 | 2021-02-05 | 江西挺进环保科技有限公司 | Self-adjusting simple-structure nitrification-denitrification coupling biological membrane system |
| CN113233591A (en) * | 2021-04-30 | 2021-08-10 | 贵州民族大学 | Combined type biological denitrification effluent treatment plant |
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| CN111657211A (en) * | 2020-06-04 | 2020-09-15 | 湖北省科技信息研究院 | Intelligent cluster aquaculture system and control method |
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| CN113233591B (en) * | 2021-04-30 | 2022-12-02 | 贵州民族大学 | Combined type biological denitrification effluent treatment plant |
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