CN208732796U - A kind of river emergency removal high ammonia-nitrogen wastewater processing equipment - Google Patents
A kind of river emergency removal high ammonia-nitrogen wastewater processing equipment Download PDFInfo
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- CN208732796U CN208732796U CN201821342249.0U CN201821342249U CN208732796U CN 208732796 U CN208732796 U CN 208732796U CN 201821342249 U CN201821342249 U CN 201821342249U CN 208732796 U CN208732796 U CN 208732796U
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Abstract
It meets an urgent need the utility model discloses a kind of river and removes high ammonia-nitrogen wastewater processing equipment, include sequentially connected adjusting neutralization pond, first sedimentation basin, oxidation pond, secondary sedimentation tank, stripping tower, chlorinated chamber, dechlorination pond, water purification system in outline border；The upstream in the water inlet pipe setting river for adjusting neutralization pond, the downstream in the drainpipe setting river of the water purification system；The adjusting neutralization pond is connected with lye storage tank, and the chlorinated chamber is connected with liquor natrii hypochloritis's storage tank and hydrogen peroxide storage tank.The utility model handles high ammonia-nitrogen wastewater using high-efficiency air stripping joint break point chlorination, achievees the purpose that quick, efficient, inexpensive emergency removal of ammonia and nitrogen, treated, and effluent quality can reach integrated wastewater discharge standard primary standard.Compared with traditional A-O biochemistry deamination Processes and apparatus, the utility model is stable, easily-controlled operation, at low cost, is suitable for the various river high ammonia-nitrogen wastewaters of fast and efficiently emergency processing.
Description
Technical field
The utility model relates to river course environment technical field of sewage, and in particular to a kind of high ammonia nitrogen of river emergency removal
Sewage treatment equipment.
Background technique
Currently, the main source of waste water is production technology waste water and ground flushing waste water, due to largely using iron in production
Bits, nitric acid caused by thioether, cause wastewater pH very low, Fe ion, ammonia nitrogen mass concentration are very high in waste water.To waste water water,
Property is analyzed, main to convert it into Fe (OH) using adjusting pH, aerating oxidation for wherein Fe ion2With Fe (OH)3,
It is separated from waste water；For high ammonia nitrogen, since waste water water is big, and COD is lower, such as uses A-O biological denitrification process, palpus
A large amount of organic carbons are supplemented, operating cost will be caused to increase.And biochemical denitrification process control needs are high, need to build and construct on a large scale
Object takes up a large area.Furthermore the operation debugging cycle of biochemical system reaches the several months long, can enter normal.
Ammonia nitrogen refers in water with free ammonia (NH3) and ammonium ion (NH4 +) nitrogen existing for form.Animality organic matter it is nitrogenous
Amount is generally height compared with vegetalitas organic matter.Meanwhile itrogenous organic substance is very unstable in human and animal excreta, is readily decomposed to ammonia.Therefore,
Fixed nitrogen existing for referring in the form of ammonia or ammonium ion when ammonia-nitrogen content increases in water.It is main in natural terrain water body and body of groundwater
With nitrate nitrogen (NO3) based on, with free ammonia (NH3) and ammonium ion (NH4 +) nitrogen polluted water body existing for form ammonia nitrogen
It is hydrated ammonia, also referred to as non-ionic ammonia.Non-ionic ammonia is the Main Factors for causing aquatile to be poisoned, and the relatively basic nothing of ammonium ion
Poison.The III class surface water of national standard, concentration≤1 mg/litre of nonionic ammonia nitrogen.Ammonia nitrogen is the nutrient in water body, be can lead to
Water eutrophication phenomenon generates, and is the main oxygen consumption pollutant in water body, toxic to fish and certain aquatiles.Work as at present
When river ammonia nitrogen is exceeded, ammonia nitrogen removal agent launch process is complicated, leads to ammonia nitrogen removal low efficiency, at high cost, being not suitable for promoting makes
With.Current breakpoint chlorination is generally used for drinking water disinfection, has and is not interfered by salt content, at the fewer ammonia nitrogen of content of organics
The advantages that reason effect is better, does not generate sludge, and treatment effeciency is high.
For this purpose, utility model inventor for river water body emergency pollution processing practical operation, comprehensively consider deployment time,
The many factors such as transport, cost, effect, operational management propose one kind new high-efficiency air stripping and break point chlorination to handle height
The Processes and apparatus of ammonia nitrogen waste water, to achieve the purpose that efficient, quick, inexpensive removal of ammonia and nitrogen, and treatment process and equipment
Secondary pollution will not be caused to environment.
Utility model content
The purpose of the utility model is to provide a kind of equipment of river emergency removal high ammonia-nitrogen wastewater processing, use
High-efficiency air stripping+break point chlorination handles high ammonia-nitrogen wastewater method, and stable and reliable operation, is readily transported and rapid deployment, processing
Effluent quality afterwards can reach integrated wastewater discharge standard primary standard.Its used high-efficiency air stripping and break point chlorination processing
The high ammonia and nitrogen pollution waste water of river emergency, wherein gas is passed through in water for removing ammonia nitrogen in water, makes liquid phase phase by blow-off method
It mutually comes into full contact with, so that the free ammonia dissolved in water is passed through gas-liquid interface and shifted to gas phase, reuse break point chlorination removal of ammonia and nitrogen,
To achieve the purpose that quick, efficient, inexpensive removal of ammonia and nitrogen.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of river emergency removal high ammonia-nitrogen wastewater processing equipment comprising equipment outline border includes in the equipment outline border
Sequentially connected adjusting neutralization pond, first sedimentation basin, oxidation pond, secondary sedimentation tank, stripping tower, chlorinated chamber, dechlorination pond, water purification system
System；The upstream in the water inlet pipe setting river for adjusting neutralization pond, the downstream in the drainpipe setting river of the water purification system；Institute
It states adjusting neutralization pond and is connected with lye storage tank, the chlorinated chamber is connected with liquor natrii hypochloritis's storage tank and hydrogen peroxide storage
Tank.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the chlorinated chamber connection
There is perforation chemical feed pipe, liquor natrii hypochloritis's storage tank is connect by the first chemical feed pipe with chlorinated chamber, first chemical feed pipe
On the first dosing pump is installed, the hydrogen peroxide storage tank is connect by the second chemical feed pipe with perforation chemical feed pipe, and described second adds
Second dosing pump is installed, the first dosing pump and the second dosing pump are provided with valve, and the chlorinated chamber is steel knot on pencil
Structure line with rubber anti-corrosion, inside be evenly distributed with partition.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the water purification system packet
Settling zone and filter are included, settling zone is steel and concrete structure, semi-underground type；Filter is steel construction, and structure is using epoxide coal bituminous
Anti-corrosion.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the adjusting neutralization pond
Inside it is provided with grid device and aeration stirrer；Blower is set in the oxidation pond and stripping tower, is also set in the stripping tower
It is equipped with sulfuric acid spray equipment, glass steel based on the stripping tower.
The utility model has the following beneficial effects:
(1) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, waste water enter conditioning tank after converging, so
Afterwards by neutralization precipitation, oxidation precipitation, the Fe ion in waste water is removed, waste water enters high-efficiency air stripping tower after removing Fe ion.It is high
It imitates stripping tower and removes ammonia nitrogen therein using blow-off method, this method is the reality using volatile materials such as ammonia nitrogens contained in waste water
Existing difference between border concentration and equilibrium concentration makes in waste water under alkaline condition with air stripping or with steam steam
Free ammonia nitrogen, ion ammonium substance constantly evaporates in the form of vapor phase ammonia and reaches the purpose except ammonia nitrogen.
(2) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, is added folding while high-efficiency air stripping method
Sodium hypochlorite is added in chlorinated chamber in point chloridising processing, carries out remaining ammonia nitrogen in breakpoint chlorination removal waste water, makes ammonia in waste water
Complete oxidation is nitrogen.
(3) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, chlorine residue use and add hydrogen peroxide
It removes, final outflow water guarantees that ammonia nitrogen is lower than 0.5mg/L, and chlorine residue 0.4mg/L or less enters back into dechlorination processing；It is formed at secondary dechlorination
Reason guarantees water body safety.
(4) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment combines breakpoint chlorination using high-efficiency air stripping
Method handles high ammonia-nitrogen wastewater, is combined by advanced physicochemical techniques, reaches the mesh of quick, efficient, inexpensive emergency removal of ammonia and nitrogen
, treated, and effluent quality can reach integrated wastewater discharge standard primary standard.With traditional A-O biochemistry deamination technique and
Equipment is compared, and the utility model is stable, easily-controlled operation, at low cost, is suitable for the various rivers of fast and efficiently emergency processing
Road high ammonia-nitrogen wastewater.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
It is described in detail.
Detailed description of the invention
Fig. 1 is the utility model embodiment Ammonia-nitrogen wastewater treatment technology flow diagram；
Fig. 2 is the overall structure diagram of the utility model sewage treatment equipment；
Fig. 3 is the overlooking structure diagram of the utility model sewage treatment equipment chlorinated chamber.
Fig. 4 is the side structure schematic view of Fig. 3.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Refering to attached drawing 1-4, emergency removal high ammonia-nitrogen wastewater processing equipment in river provided in this embodiment comprising outside equipment
Frame, the interior equipment outline border includes sequentially connected adjusting neutralization pond 1, first sedimentation basin 2, oxidation pond 3, secondary sedimentation tank 4, stripping
Tower 5, chlorinated chamber 6, dechlorination pond 7, water purification system 8；The upstream in river is arranged in the water inlet pipe 1.1 for adjusting neutralization pond 1, described net
The downstream in river is arranged in the drainpipe 8.1 of water system 8；The adjusting neutralization pond 1 is connected with lye storage tank 9, the chlorinated chamber 6
It is connected with liquor natrii hypochloritis's storage tank 10 and hydrogen peroxide storage tank 11.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the chlorinated chamber 6 connects
It is connected to perforation chemical feed pipe 12, liquor natrii hypochloritis's storage tank 10 is connect by the first chemical feed pipe 13 with chlorinated chamber 6, and described the
First dosing pump 14 is installed, the hydrogen peroxide storage tank 11 passes through the second chemical feed pipe 15 and perforation chemical feed pipe on one chemical feed pipe 13
12 connections, are equipped with the second dosing pump 16 on second chemical feed pipe 15, and the first dosing pump 14 and the second dosing pump 15 are all provided with
Be equipped with valve 17, the chlorinated chamber 6 is steel construction line with rubber anti-corrosion, inside be evenly distributed with partition 18.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the water purification system 8
Including settling zone 8.2 and filter 8.3, settling zone 8.2 is steel and concrete structure, semi-underground type；Filter 8.3 is steel construction, structure
Using epoxide coal bituminous anti-corrosion.
It meets an urgent need as the utility model river and removes the further improvement of high ammonia-nitrogen wastewater processing equipment, the adjusting neutralization pond
Grid device 1.2 and aeration stirrer 1.3 are provided in 1；Blower 19 is set in the oxidation pond 3 and stripping tower 5, it is described to blow
Sulfuric acid spray equipment 20, glass steel based on the stripping tower 5 are additionally provided in de- tower 5.
The course of work of river emergency removal high ammonia-nitrogen wastewater processing equipment comprising following steps:
(1) it adjusts neutralisation treatment: the upstream in the water inlet pipe setting river of neutralization pond 1 will be adjusted, waste water enters after converging
Lye is added in conditioning tank in pond, and waste water is sufficiently reacted with lye, adjusts pH value of waste water 6 to 9, creates item for subsequent handling
Part, conditioning tank water outlet flow to subsequent processing units certainly；
(2) just sink and handle: the neutralized pond of waste water enters sedimentation basin 2, and hydraulic detention time 30 to 60min makes waste water reaction
Product Fe (OH) afterwards2Major part is precipitated, and the processing load of subsequent processing units is mitigated；
(3) oxidation processes: waste water enters oxidation pond 3 through sedimentation basin 2, and blower is arranged in oxidation pond 3 and does micro-pore aeration, makes to give up
Fe (OH) in water2Fe (OH) is generated after aoxidizing3Sediment, then remove after precipitation；
(4) two heavy processing: waste water enters secondary sedimentation tank 4 through oxidation pond 3, and secondary sedimentation tank effect is after making waste water reaction
Product Fe (OH)3Major part is precipitated, and the processing load of subsequent processing units is mitigated；
(5) stripping is handled: waste water enters stripping tower 5 through secondary sedimentation tank 4, is blown into air from blower toward stripping tower, passes through
Air water, which comes into full contact with, to be played the role of reducing ammonia nitrogen pollutant load, and exhaust gas after treatment uses sulfuric acid spray-absorption；
(6) breakpoint chlorination is handled: waste water enters chlorinated chamber 6 through stripping tower 5, and sodium hypochlorite is added in chlorinated chamber, is rolled over
Remaining ammonia nitrogen in point chlorination removal waste water, makes ammonia complete oxidation nitrogen in waste water；
(7) dechlorination is handled: waste water enters dechlorination pond 7 through chlorinated chamber 6, and hydraulic detention time 30 to 60min removes in sewage
Remaining sodium hypochlorite, exhaust gas are pumped into after purifying column is handled by blower and are discharged；
(8) clean water treatment: the dechlorinated pond 7 of waste water carries out water purification system 8, and water purification system is by settling zone 8.2 and filter 8.1
Composition, waste water first pass through settling zone 8.2 and remove remaining particle, suspended matter in waste water, and the water after precipitating is pumped into filter 8.1,
The downstream in 8 drainpipe 8.1 of water purification system setting river carries out qualified discharge after filtering.
The step (1) further includes following steps:
(1.1) it is equipped with grid device 1.2 in conditioning tank water inlet, while aeration stirrer 1.3 is set in pond, made
With being that one side plays the role of reducing pollutant burden, equal and water quality is on the other hand played by stirring aeration and is filled with lye
Divide reaction.
The mass ratio of waste water and lye in the step (1) are as follows: (3.15~4.05): 1.
The step (5) further includes following steps:
(5.1) waste water enters stripping tower 5 through secondary sedimentation tank, is blown into air from blower toward stripping tower, abundant by air water
Contact is played the role of reducing ammonia nitrogen pollutant load, and exhaust gas after treatment uses sulfuric acid spray-absorption, avoids two
Secondary pollution.
In the step (6) chlorinated chamber be added sodium hypochlorite when, operation control be added sodium hypochlorite and ammonia nitrogen matter
Amount is than being 1:7, and control water inlet pH value is 6~8.
The step (6) further includes following steps:
(6.1) hydrogen peroxide, the mass ratio of waste water and hydrogen peroxide are added in chlorinated chamber are as follows: (3~3.5): 1, further go
Except chlorine residue remaining in sewage, guarantee that ammonia nitrogen is lower than 0.5mg/L, chlorine residue 0.4mg/L is hereinafter, enter back into dechlorination processing；
The design focal point of the utility model is:
(1) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, makes waste water enter conditioning tank after converging,
Then pass through neutralization precipitation, oxidation precipitation, remove the Fe ion in waste water, waste water enters high-efficiency air stripping tower after removing Fe ion.
High-efficiency air stripping tower removes ammonia nitrogen therein using blow-off method, this method is to utilize the volatile materials such as ammonia nitrogen contained in waste water
Existing difference between actual concentrations and equilibrium concentration makes waste water under alkaline condition with air stripping or with steam steam
In free ammonia nitrogen, ion ammonium substance constantly evaporates in the form of vapor phase ammonia and reaches and improve efficiency, reduce cost and remove
The purpose of ammonia nitrogen.
(2) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, combines folding while high-efficiency air stripping method
Sodium hypochlorite is added in chlorinated chamber in point chloridising processing, carries out remaining ammonia nitrogen in breakpoint chlorination removal waste water, makes ammonia in waste water
Complete oxidation is nitrogen.
(3) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, chlorine residue use and add hydrogen peroxide
It removes, final outflow water guarantees that ammonia nitrogen is lower than 0.5mg/L, and chlorine residue 0.4mg/L or less enters back into dechlorination processing；It is formed at secondary dechlorination
Reason guarantees water body safety.
(4) the utility model river emergency removal high ammonia-nitrogen wastewater processing equipment, using advanced materialization group technology, with
Traditional A-O biochemistry deamination technique is compared, stable, easily-controlled operation, is readily transported and rapid deployment.The utility model is adopted
With the advanced technologies of high-efficiency air stripping, ammonia-nitrogen desorption effect is more preferable, while combining the integrated use of break point chlorination, it is ensured that emergency
Polluted-water improvement can get a desired effect quickly, at low cost.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, the shape according to the utility model
Equivalence changes made by shape, construction and principle should all be covered by the protection scope of the utility model.
Claims (4)
1. a kind of river emergency removal high ammonia-nitrogen wastewater processing equipment, including equipment outline border, which is characterized in that the equipment outline border
It is interior include sequentially connected adjusting neutralization pond, first sedimentation basin, oxidation pond, secondary sedimentation tank, stripping tower, chlorinated chamber, dechlorination pond, only
Water system；The upstream in the water inlet pipe setting river for adjusting neutralization pond, the drainpipe of the water purification system are arranged under river
Trip；The adjusting neutralization pond is connected with lye storage tank, and the chlorinated chamber is connected with liquor natrii hypochloritis's storage tank and hydrogen peroxide
Storage tank.
2. emergency removal high ammonia-nitrogen wastewater processing equipment in river according to claim 1, which is characterized in that the chlorinated chamber
It is connected with perforation chemical feed pipe, liquor natrii hypochloritis's storage tank is connect by the first chemical feed pipe with chlorinated chamber, and described first adds
First dosing pump is installed on pencil, the hydrogen peroxide storage tank is connect by the second chemical feed pipe with chemical feed pipe of perforating, and described the
Second dosing pump is installed, the first dosing pump and the second dosing pump are provided with valve, and the chlorinated chamber is on two chemical feed pipes
Steel construction line with rubber anti-corrosion, inside be evenly distributed with partition.
3. emergency removal high ammonia-nitrogen wastewater processing equipment in river according to claim 1, which is characterized in that the water purification system
System includes settling zone and filter, and settling zone is steel and concrete structure, semi-underground type；Filter is steel construction, and structure uses Epoxy coal
Pitch anti-corrosion.
4. emergency removal high ammonia-nitrogen wastewater processing equipment in river according to claim 1, which is characterized in that in the adjusting
With grid device and aeration stirrer are provided in pond；Blower is set in the oxidation pond and stripping tower, in the stripping tower
It is additionally provided with sulfuric acid spray equipment, glass steel based on the stripping tower.
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| CN201821342249.0U CN208732796U (en) | 2018-08-20 | 2018-08-20 | A kind of river emergency removal high ammonia-nitrogen wastewater processing equipment |
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| CN201821342249.0U CN208732796U (en) | 2018-08-20 | 2018-08-20 | A kind of river emergency removal high ammonia-nitrogen wastewater processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911264A (en) * | 2018-08-20 | 2018-11-30 | 环境保护部华南环境科学研究所 | A kind of river emergency removal process for treating high ammonia nitrogen waste water and equipment |
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2018
- 2018-08-20 CN CN201821342249.0U patent/CN208732796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911264A (en) * | 2018-08-20 | 2018-11-30 | 环境保护部华南环境科学研究所 | A kind of river emergency removal process for treating high ammonia nitrogen waste water and equipment |
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