CN207713501U - A kind of denitrification device of removal nitrite nitrogen - Google Patents
A kind of denitrification device of removal nitrite nitrogen Download PDFInfo
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- CN207713501U CN207713501U CN201721845000.7U CN201721845000U CN207713501U CN 207713501 U CN207713501 U CN 207713501U CN 201721845000 U CN201721845000 U CN 201721845000U CN 207713501 U CN207713501 U CN 207713501U
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- carbon source
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- nitrite nitrogen
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Abstract
The utility model discloses a kind of denitrification devices of removal nitrite nitrogen, the carbon source throwing device be sent into the water inlet water-distributing device of pond body including pond body and the packing layer being arranged in the pond body, by sewage and be added to carbon source in sewage, wherein, water inlet water-distributing device and carbon source throwing device are located at the ullage of pond body, and pool bottom is provided with drainage pipeline；Water inlet water-distributing device is in charge of including the first main pipe, the first pipe tap and multiple first, first main pipe one end nozzle is sewage inlet, other end nozzle is connected to the first pipe tap, and first is in charge of and is connected to respectively with the first pipe tap, and first is in charge of and offers apopore；The utility model realizes that sewage is timely with carbon source and uniform ground mixes using water inlet water-distributing device and carbon source throwing device, to achieve the purpose that efficiently use carbon source, efficient remove Nitrite In Polluted Water nitrate nitrogen.
Description
Technical field
The utility model is related to sewage treatment field, more particularly to a kind of denitrification device of removal nitrite nitrogen.
Background technology
The high speed development of national economy, the progress of urbanization, the water consumption in China sharply increase, the water quality deterioration journey of water body
Spend also getting worse.The processing of traditional sewage is good for mostly to remove COD as main target based on the current Ecology in China
The visual angle of health, on the principal contradiction of recent environmental problems the problem of chemically oxygen demand COD has turned to denitrogenation dephosphorizing.
The pollution in the region of some industry prosperities, nitrogen aggravates rapidly, becomes numerous water bodys and important pollution member that basin urgently removes
Element.
Currently, nitrogen is mainly shown as the forms such as ammonia nitrogen, nitrate nitrogen, nitrite nitrogen in sewage.Nitrate pollution has many danger
Evil, polluted by nitrogen cause dissolved oxygen content in water body significantly to decline, and are the main reason for causing body eutrophication, especially when also
When ortho states nitrogen is discharged into water body, nitration reaction can consume a large amount of dissolved oxygen in water body, cause water body to black smelly and a variety of aquatic
The chronic of biology destroys the evidence.Correlative study finds that the exceeded drinking water of nitrite nitrogen content is to human body and the toxic work of other biological
With.The source of Water element is mainly sanitary sewage, aquaculture wastewater and trade effluent, and polluted by nitrogen destroys ecological environment, threatens
The health of the biology such as mankind.Therefore, the contamination control of Water element is increasingly paid much attention to by people.
Biological denitrificaion, also known as biological nitration-denitrification denitrogenation refer to the having in sewage under the synergy of microorganism
Machine nitrogen and ammonia nitrogen are finally translated into the process of nitrogen by ammoniation, nitration reaction, anti-nitration reaction.Anti-nitration reaction is
Under anaerobic condition, nitrite nitrogen, nitrate nitrogen are reduced into gaseous nitrogen (N by denitrifying bacterium2) process.Denitrifying bacterium is different
The type of supporting microorganism, belongs to facultative bacteria, in anaerobic condition, using the oxygen in nitrate as electron acceptor, with organic matter more
As electron donor, energy and oxidation-stabilized is provided.In many sewage treatment plants, due to water-inlet carbon source deficiency, reduce
The reaction rate of denitrification denitrogenation, it is not high so as to cause whole system denitrification percent, therefore, and in actual operation, the control of carbon source
System is an important operating parameter, the purpose of this utility model be exactly by optimize the dosing method of water distribution system and carbon source with
The whole efficiency for improving denitrification system provides a kind of method of efficient and economical removal Nitrite In Polluted Water nitrate nitrogen.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is：A kind of removal nitrite nitrogen is provided
Denitrification device.The denitrification device can realize that sewage is timely with carbon source and equably mixes, and carbon is efficiently used to reach
The purpose of source, efficiently removal Nitrite In Polluted Water nitrate nitrogen.
The purpose of this utility model is achieved through the following technical solutions：A kind of denitrification device of removal nitrite nitrogen, packet
Pond body and the packing layer being arranged in the pond body are included, sewage is sent into the water inlet water-distributing device of pond body and is added to carbon source
Carbon source throwing device in sewage, wherein water inlet water-distributing device and carbon source throwing device are located at the ullage of pond body, pond body bottom
Portion is provided with drainage pipeline；Water inlet water-distributing device is in charge of including the first main pipe, the first pipe tap and multiple first, the first master
Tube body one end nozzle is sewage inlet, and other end nozzle is connected to the first pipe tap, first be in charge of respectively with the first pipe tap
Connection, first is in charge of and offers apopore；
Carbon source throwing device is in charge of including the second main pipe, the second pipe tap and multiple second, second main pipe one end
Nozzle is carbon source feeding opening, and other end nozzle is connected to the second pipe tap, and second is in charge of and is connected to respectively with the second pipe tap, second
It is in charge of and offers medicine feeding hole.
Preferably, further include packing layer and filler support, filler support is fixed in the middle part of pond body, and packing layer is fixed on filler
In holder, packing layer includes a plurality of connecting rope and multiple filler units, and filler unit is series in each connecting rope and is formed respectively
A plurality of filler beam, each filler beam is vertically arranged and both ends are connected respectively on filler support.
Preferably, the filler Shu Changdu is 2000-4000mm, and the distance between described adjacent two fillers beam is 200-
400mm, described filler layer account for tank volume 50%-80%.
Preferably, water inlet water-distributing device is set to above carbon source throwing device.
Preferably, first be in charge of with second be in charge of in same level be spaced be arranged.
Preferably, apopore is multiple and is divided into two rows, and two rows of apopores are opened in first and are in charge of diameter forwards, backwards two respectively
Side and apopore aperture towards it is lower with vertical line be in 45 °, two rows of apopores are in charge of length direction along first and are uniformly opened up.
Preferably, the apopore interlaced arrangement of both sides.
Preferably, medicine feeding hole is multiple and is divided into two rows, and two rows of medicine feeding holes are opened in second and are in charge of diameter forwards, backwards two respectively
Side and medicine feeding hole aperture towards it is lower with vertical line be in 45 °, two rows of medicine feeding holes are in charge of length direction along first and are uniformly opened up.
Preferably, the medicine feeding hole interlaced arrangement of both sides.
Preferably, water inlet water-distributing device further includes multiple first plugs, and carbon source throwing device further includes multiple second plugs,
Each first is in charge of one end nozzle is connected to the first pipe tap, and the first plug is connected to first and is in charge of in other end nozzle, and each second
It is in charge of one end nozzle to be connected to the second pipe tap, the second plug is connected to second and is in charge of in other end nozzle.
The operation principle of the utility model：The denitrification device of the utility model can be such that sewage is uniformly mixed with carbon source,
While effectively improving Nitrite In Polluted Water nitrate nitrogen removal effect, carbon source dosage is saved, one is provided for the denitrogenation processing of sewage
The cost-effective device of kind.
The utility model has the following advantages compared with the existing technology and effect：
1, the utility model using water inlet water-distributing device and carbon source throwing device realizes sewage and carbon source in time and equably
Mixing, to achieve the purpose that efficiently use carbon source, efficiently removal Nitrite In Polluted Water nitrate nitrogen.
2, the utility model can improve the utilization rate of carbon source in sewage disposal, improve the effect of denitrification removal nitrite nitrogen
Rate has the advantages that good, easy to operate, the easy popularization for the treatment of effect.
3, the utility model has the characteristics that water inlet can be mixed uniformly and co-flow with carbon source, and carbon source and sewage are the
One time came into full contact with mixing, and mixability is high, it is ensured that microorganism has enough while denitrification removes nitrite nitrogen
Carbon source improves nitrite nitrogen removal efficiency as energy recharge, it is ensured that sewage is preferably handled, and then reduces making for carbon source
Dosage.In practical applications, operation cost can be greatly reduced.
4, the filler unit of the utility model uses composite filling, with larger reference area, easy to be filmed, microorganism
Measure it is relatively high and distribution it is relatively uniform, sludge not easily runs off, the features such as blocking, while have cutting and disturb flow work
With, can effectively avoid short stream, be conducive to improve anti-nitration reaction efficiency；In addition, the utility model also has stable structure, it is whole
The advantages of simple structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the water inlet water-distributing device of the utility model；
Fig. 3 is the schematic diagram of the carbon source throwing device of the utility model；
Fig. 4 is the schematic diagram of the partial filler beam of the utility model；
Fig. 5 is that the apopore of the utility model is opened in the first schematic diagram being in charge of；
Fig. 6 is that the medicine feeding hole of the utility model is opened in the second schematic diagram being in charge of；
Fig. 7 is that the apopore of the utility model opens up the schematic diagram of mode；
Fig. 8 is that the medicine feeding hole of the utility model opens up the schematic diagram of mode.
Reference numeral：
1, pond body；2, packing layer；3, the first main pipe；4, the first pipe tap；5, first is in charge of；6, the second main pipe；7、
Second pipe tap；8, second is in charge of；9, filler unit；10, connecting rope；11, the first plug；12, the second plug；13, upper body of rod；
14, lower body of rod；15, drainage pipeline；16, apopore；17, medicine feeding hole.
Specific implementation mode
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment one：
It is a kind of removal nitrite nitrogen denitrification device, including pond body and be arranged in the pond body packing layer, will
The carbon source throwing device that sewage is sent into the water inlet water-distributing device of pond body and is added to carbon source in sewage, wherein water inlet water distribution dress
It sets and is located above packing layer with carbon source throwing device, pool bottom is provided with drainage pipeline；
Water inlet water-distributing device is in charge of including the first main pipe, the first pipe tap and multiple first, first main pipe one end
Nozzle is sewage inlet, and other end nozzle is connected to the first pipe tap, and first is in charge of and is connected to respectively with the first pipe tap, first
It is in charge of and offers apopore；
Carbon source throwing device is in charge of including the second main pipe, the second pipe tap and multiple second, second main pipe one end
Nozzle is carbon source feeding opening, and other end nozzle is connected to the second pipe tap, and second is in charge of and is connected to respectively with the second pipe tap, second
It is in charge of and offers medicine feeding hole.
For the packing layer set in pond body as anti-nitration reaction area, it is anti-that the microorganism that filler layer surface is adhered to can carry out denitrification
It answers.
By will intake water-distributing device and the setting of carbon source throwing device to (pond body top) above packing layer, and by the
One be in charge of with second be in charge of it is upper open up multiple apopores and medicine feeding hole respectively, realize and carry out water distribution in such a way that multiple spot staggeredly adds
With add carbon source, reach sewage and the mix uniformly effect of carbon source, improve the denitrification efficiency of nitrite nitrogen, ensure sewage
While removal effect, the dosage of carbon source is effectively reduced, therefore, the utility model provides a kind of efficient and economical
Remove the device of Nitrite In Polluted Water nitrate nitrogen.
Preferably, further include packing layer and filler support, filler support is installed in the middle part of pond body, and packing layer is fixed on filler
In holder, packing layer includes a plurality of connecting rope and multiple filler units, and filler unit is series in each connecting rope and is formed respectively
A plurality of filler beam, each filler beam is vertically arranged and both ends are connected respectively on filler support.Filler unit can be fiber etc..
Preferably, the filler Shu Changdu is 2000-4000mm, and the distance between described adjacent two fillers beam is 200-
400mm, described filler layer account for tank volume 50%-80%.
Preferably, water inlet water-distributing device is set to above carbon source throwing device.
Preferably, water inlet water-distributing device further includes multiple first plugs, and carbon source throwing device further includes multiple second plugs,
Each first is in charge of one end nozzle is connected to the first pipe tap, and the other end is sealed by first plug, and each second is in charge of one end
Nozzle is connected to the second pipe tap, and the other end is sealed by second plug.
Preferably, the filler support includes the upper body of rod and lower body of rod for being respectively fixedly disposed at pond body upper and lower part,
Each filler beam both ends are respectively fixedly connected in upper body of rod and lower body of rod.
It realizes that sewage is mixed with the uniform of carbon source to enable sewage and carbon source to be evenly distributed in pond body, and then improves anti-nitre
Change the efficiency of reaction, the utility model also been mades following preferred scheme：
Preferably, each first is in charge of and is in charge of the arrangement that is staggered in same level with each second.
Preferably, apopore is multiple and is divided into two rows, and two rows of apopores are opened in first and are in charge of diameter forwards, backwards two respectively
Side and apopore aperture towards it is lower with vertical line in 45 ° (i.e.：Apopore aperture towards and the angle α of vertical line be 45 ° towards pond body bottom
Portion is arranged), two rows of apopores are in charge of length direction along first and are uniformly opened up.
Preferably, the apopore of both sides is staggered setting.
Preferably, medicine feeding hole is multiple and is divided into two rows, and two rows of medicine feeding holes are opened in second and are in charge of diameter forwards, backwards two respectively
Side and medicine feeding hole aperture towards the lower angle with vertical line in 45 ° (i.e.：The angle β of medicine feeding hole aperture direction and vertical line is 45 ° of directions
Pool bottom is arranged), two rows of medicine feeding holes are in charge of length direction along first and are uniformly opened up.
Preferably, the medicine feeding hole of both sides is staggered setting.
The course of work and operation principle of the utility model：
The utility model is applied to the sewage containing nitrite nitrogen, a concentration of 300- of water inlet nitrite nitrogen of the sewage
500mg/L.Volumetric loading is 5-7kgThe volume of packing layer is set according to empty bed hydraulic detention time for 1-3h
It sets.Specific implementation mode is as follows, and sewage containing nitrite nitrogen enters pond body through water-distributing device of intaking, by being opened up in the first pipe tap
Multiple apopores, realize multiple spot water distribution, while carbon source is added in a similar manner by carbon source throwing device in pond body, due to
Sewage and carbon source enter on pond body top, and first be in charge of the apopore and medicine feeding hole be in charge of with second arrangement be
It is staggered, therefore, sewage and carbon source can reach uniform mixing within the extremely short time.When sewage flows through packing layer, attachment
Filler unit surface microorganism using carbon source as energy supply, carry out anti-nitration reaction, convert nitrite nitrogen to nitrogen
Release, residence time of the sewage in anti-nitration reaction area is 1-3h, and finally, treated, and sewage is discharged through drainage pipeline.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (10)
1. a kind of denitrification device of removal nitrite nitrogen, it is characterised in that：Including pond body and it is arranged in the pond body
Packing layer, the carbon source throwing device that sewage is sent into the water inlet water-distributing device of pond body and is added to carbon source in sewage, wherein into
Water cloth water installations and carbon source throwing device are located at the ullage of pond body, and pool bottom is provided with drainage pipeline；Water distribution of intaking fills
It sets and is in charge of including the first main pipe, the first pipe tap and multiple first, first main pipe one end nozzle is sewage inlet, separately
One end nozzle is connected to the first pipe tap, and first is in charge of and is connected to respectively with the first pipe tap, and first is in charge of and offers apopore；
Carbon source throwing device is in charge of including the second main pipe, the second pipe tap and multiple second, second main pipe one end nozzle
For carbon source feeding opening, other end nozzle is connected to the second pipe tap, and second is in charge of and is connected to respectively with the second pipe tap, and second is in charge of
On offer medicine feeding hole.
2. the denitrification device of removal nitrite nitrogen according to claim 1, it is characterised in that：Further include packing layer and filling out
Expect that holder, filler support are fixed in the middle part of pond body, packing layer is fixed in filler support, packing layer include a plurality of connecting rope and
Multiple filler units, filler unit, which is series at respectively in each connecting rope, forms a plurality of filler beam, and each filler beam is vertically arranged and two
End is connected respectively on filler support.
3. the denitrification device of removal nitrite nitrogen according to claim 2, it is characterised in that：The filler Shu Changdu is
2000-4000mm, the distance between described adjacent two fillers beam are 200-400mm, and described filler layer accounts for tank volume 50%-
80%.
4. the denitrification device of removal nitrite nitrogen according to claim 1, it is characterised in that：Water-distributing device of intaking is arranged
Above carbon source throwing device.
5. the denitrification device of removal nitrite nitrogen according to claim 4, it is characterised in that：First is in charge of and second point
Pipe is spaced setting in same level.
6. the denitrification device of removal nitrite nitrogen according to claim 1, it is characterised in that：Apopore is multiple and divides
At two rows, two rows of apopores be opened in respectively first be in charge of radial front and rear sides and apopore aperture towards it is lower with vertical line be in 45 °,
Two rows of apopores are in charge of length direction along first and are uniformly opened up.
7. the denitrification device of removal nitrite nitrogen according to claim 6, it is characterised in that：The apopore of both sides interlocks
Arrangement.
8. the denitrification device of removal nitrite nitrogen according to claim 1, it is characterised in that：Medicine feeding hole is multiple and divides
At two rows, two rows of medicine feeding holes be opened in respectively second be in charge of radial front and rear sides and medicine feeding hole aperture towards it is lower with vertical line be in 45 °,
Two rows of medicine feeding holes are in charge of length direction along first and are uniformly opened up.
9. the denitrification device of removal nitrite nitrogen according to claim 8, it is characterised in that：The medicine feeding hole of both sides interlocks
Arrangement.
10. the denitrification device of removal nitrite nitrogen according to claim 1, it is characterised in that：Water-distributing device intake also
Including multiple first plugs, carbon source throwing device further includes multiple second plugs, and each first is in charge of one end nozzle and the first tap
Pipe is connected to, and the first plug is connected to first and is in charge of in other end nozzle, and each second is in charge of one end nozzle is connected to the second pipe tap,
Second plug is connected to second and is in charge of in other end nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845000.7U CN207713501U (en) | 2017-12-22 | 2017-12-22 | A kind of denitrification device of removal nitrite nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845000.7U CN207713501U (en) | 2017-12-22 | 2017-12-22 | A kind of denitrification device of removal nitrite nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713501U true CN207713501U (en) | 2018-08-10 |
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ID=63049983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721845000.7U Active CN207713501U (en) | 2017-12-22 | 2017-12-22 | A kind of denitrification device of removal nitrite nitrogen |
Country Status (1)
| Country | Link |
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| CN (1) | CN207713501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498507A (en) * | 2019-08-16 | 2019-11-26 | 武汉理工大学 | A kind of unpowered removal device of Karst mountainous rural areas sewage |
| CN113562845A (en) * | 2021-07-29 | 2021-10-29 | 汕尾粤海环保有限公司 | Denitrification strengthening device suitable for activated sludge process |
-
2017
- 2017-12-22 CN CN201721845000.7U patent/CN207713501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498507A (en) * | 2019-08-16 | 2019-11-26 | 武汉理工大学 | A kind of unpowered removal device of Karst mountainous rural areas sewage |
| CN110498507B (en) * | 2019-08-16 | 2022-05-03 | 武汉理工大学 | Unpowered removing device for rural sewage in karst mountain area |
| CN113562845A (en) * | 2021-07-29 | 2021-10-29 | 汕尾粤海环保有限公司 | Denitrification strengthening device suitable for activated sludge process |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210506 Address after: 510700 room 206, 112 science Avenue, Huangpu District, Guangzhou City, Guangdong Province (office only) Patentee after: Guangzhou Xiaokang Technology Development Co.,Ltd. Address before: 510006 room 214-1, Department 1, Guangdong Pharmaceutical College, No. 280, Waihuan East Road, University Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU SIKETE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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