CN108178451A - The processing system of ammonia nitrogen in a kind of removal sanitary wastewater - Google Patents
The processing system of ammonia nitrogen in a kind of removal sanitary wastewater Download PDFInfo
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- CN108178451A CN108178451A CN201810058511.7A CN201810058511A CN108178451A CN 108178451 A CN108178451 A CN 108178451A CN 201810058511 A CN201810058511 A CN 201810058511A CN 108178451 A CN108178451 A CN 108178451A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of processing system for removing ammonia nitrogen in sanitary wastewater, including sump, coarse rack, primary sedimentation basin, pH value regulating reservoir, crosslinked polyvinylpyrrolidone carrier adsorption cleaning system, aeration tank, biological phosphate-eliminating pond, secondary sedimentation tank, water purifying tank, pickling tower.Crosslinked polyvinylpyrrolidone is utilized in this system creativeness（PVPP）To the Selective adsorption of ammoniacal nitrogen in water, the carbonyl in molecular structure can form hydrogen bond complex with amino chemical combination.Artificial zeolite containing crosslinked polyvinylpyrrolidone is mixed with sanitary wastewater, it is made fully to adsorb ammonia nitrogen therein, crosslinked polyvinylpyrrolidone is made to release adsorbed ammonia nitrogen by way of heating desorption again, and is released in the form of ammonia, tail gas discharges after acid-scrubbing cleaning is handled.Meanwhile the sanitary wastewater after crosslinked polyvinylpyrrolidone artificial zeolite carrier Adsorption ammonia nitrogen enters next processing links.
Description
Technical field
The present invention relates to a kind of processing systems for removing ammonia nitrogen in sanitary wastewater, belong to the wastewater treatment neck in environmental protection
Domain.
Background technology
In recent years, with the continuous improvement of China cities and towns living standards of the people, the nitrogen content in urban life waste water is drastically
Rise, arbitrary discharge of more and more nitrogenous effluents causes great harm to environment.Nitrogen in waste water with organic nitrogen,
Ammoniacal nitrogen（NH4 +-N）, nitrate nitrogen（NO3 --N）And nitrite nitrogen（NO2 --N）Etc. diversified forms exist, and ammoniacal nitrogen is most main
One of existence form wanted.Ammonia nitrogen in sanitary wastewater refers to, with nitrogen existing for free ammonia and ion ammonium form, be mainly derived from
Swill and washing sewage.The pollution sources of ammonia nitrogen are more, and discharge capacity is big, and the concentration variation discharged is greatly.
There are excess of ammonia nitrogen from the aspect of environmental pollution, in water environment can cause dissolved oxygen concentration in water body to reduce, and lead
Smelly, the deteriorating water quality of water body nigrescence is caused, the existence of aquatic animals and plants is impacted, and body eutrophication can be caused.
At present, in sanitary wastewater the processing practicability of ammonia nitrogen preferably, the country with most technologies be：Biological denitrificaion method,
Ammonia aeration vaporizing extract process, break point chlorination, chemical precipitation method, ion-exchange, liquid-film method, soil irrigation method etc..
（1）Biological denitrificaion method：Under aerobic condition, by the effect of aerobic nitrification bacterium, it is by the ammonium oxidation in waste water
Then under anoxic conditions nitrite or nitrate, utilizes denitrifying bacterium（Denitrifier）By nitrite and nitrate reduction
It is escaped for nitrogen and from waste water.
（2）Ammonia aeration vaporizing extract process：Stripping, vaporizing extract process are mainly used for removing useless gas dissolved water and certain effumability objects
Matter.Gas is passed through in water, gas is made mutually to be come into full contact with water phase, gas dissolved water and volatile solutes is made to pass through gas-liquid circle
Face is shifted to gas phase, so as to achieve the purpose that remove pollutant.
（3）Break point chlorination：Break point chlorination is that chlorine is passed through in waste water to reach certain point, is dissociated in water in this
Chlorinity is relatively low, and the concentration of ammonia is reduced to zero.When chlorine intake is more than this, the free chlorine in water will increase, therefore,
The point is known as break, and the chlorination under the state is known as breakpoint chlorination.
（4）Chemical precipitation method：Chemical precipitation method is that Mg is added into waste water+And PO4 3-, it is allowed to answer with ammonia nitrogen generation indissoluble
Salt MgNH4PO4*6H2O（Abbreviation MAP）Crystallization, then MAP is made to be detached from waste water by gravity precipitation.
（5）Ion-exchange：The essence of ion exchange is insoluble ionic compound（Ion-exchanger）On it is commutative
The exchange reaction of ion and other same sex ions in waste water, is a kind of special adsorption process, and typically reversible chemical is inhaled
It is attached.
（6）Liquid-film method：The mechanism of emulsion liquid membrane removal ammonia nitrogen is soluble in film phase for ammoniacal nitrogen, its high concentration outside film phase
Outside, by the diffusive migration of film phase, reach and solution dealkylation reaction occur with the acid in interior boundary, with phase in film on the inside of film phase,
The NH of generation4 +Stablize in film in phase insoluble in oil phase, inside and outside the film under the promotion of ammonia density difference, amino molecule is not open close
Film surface absorption is crossed, diffusion is migrated to desorption on the inside of film phase, so as to achieve the purpose that separation removal ammonia nitrogen.
（7）Soil irrigation method：Soil irrigation is the ammonia nitrogen waste water low concentration（<50mg/L）Fertilizer as crops comes
It uses, stable water source is both provided for irrigating region agricultural, in turn avoids body eutrophication, improves water utilization rate.
But have to pass through pretreatment, the nuisances such as removal germ, heavy metal, phenols, cyanide, oils for the waste water that soil is irrigated
Matter.
Since above-mentioned traditional treatment method is there are the shortcomings of of high cost, technical sophistication, unstable treatment effect, have
Necessity breaks away from existing treatment technology thinking, hews out the new way of ammonia nitrogen in processing sanitary wastewater, and then develops a kind of completely new
NH3-N elimination method in the sanitary wastewater of form.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of processing systems for removing ammonia nitrogen in sanitary wastewater
System, the system include sump, coarse rack, primary sedimentation basin, pH value regulating reservoir, the absorption of crosslinked polyvinylpyrrolidone carrier only
Change system, aeration tank, biological phosphate-eliminating pond, secondary sedimentation tank, water purifying tank, pickling tower etc.；Wherein, the sanitary wastewater containing ammonia nitrogen passes through
Waste line enters sump, carries out centralized collection herein and preliminarily stabilised is adjusted, the outlet of sump is connected by waste line
Coarse rack is connect, the major diameter solid matter in sanitary wastewater is removed at this, the outlet of coarse rack is connected once by waste line
Sedimentation basin, in this insoluble matter in further removing waste water, the outlet of primary sedimentation basin connects pH value tune by waste line
Save pond, waste water is neutralized and carries out the accurate adjusting of pH value herein, the pH value range of pH value regulating reservoir water outlet for 6.5 ~
8.0, it is required with the water pH value that enters for meeting crosslinked polyvinylpyrrolidone carrier adsorption cleaning system, the outlet of pH value regulating reservoir leads to
Waste line connection crosslinked polyvinylpyrrolidone carrier adsorption cleaning system is crossed, the absorption of crosslinked polyvinylpyrrolidone carrier is net
Flue gas row's mouth of change system connects pickling tower by exhaust piping, and pickling processes are carried out at this to go the ammonia in removing exhaust gas, pickling
Tail gas Jing Guo purified treatment is discharged into atmospheric environment by the outlet of tower by exhaust piping, meanwhile, crosslinked polyvinylpyrrolidone
The discharge outlet of carrier adsorption cleaning system connects aeration tank by waste line, herein by aerobic aeration process, makes in waste water
Various phosphorus containg substances be converted into orthophosphates, the outlet of aeration tank passes through waste line and connects biological phosphate-eliminating pond, effect
It is by bioactivity reaction process, the orthophosphates decomposition and inversion in waste water is removed, the outlet in biological phosphate-eliminating pond, which passes through, gives up
Water pipeline connects secondary sedimentation tank, all removes the remaining insoluble matter in waste water at this, the outlet of secondary sedimentation tank passes through
Waste line connects water purifying tank, and the outlet of water purifying tank will pass through this system treated that purification water outlet is outer arranges by waste line；
Wherein, the pond body of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system uses stainless steel, is fixedly arranged in the middle of a circle
Electronic net cage sliding rail, is equipped with 10 crosslinked polyvinylpyrrolidone carrier net cages on electronic net cage sliding rail at equal intervals, in pond body
Side is equipped with carrier net cage heating zone, and heating zone is respectively arranged with electric heating coil, crosslinked polyvinylpyrrolidone carrier net in both sides up and down
Case enters heating zone by the entrance on the left of heating zone, and heating zone is left in the outlet through right side, and heating zone upper right quarter is equipped with cold
Solidifying pipe, pond body lower left quarter are equipped with inlet valve, and upper right quarter is equipped with water discharging valve；After pH value adjusting processing（PH value after processing
It is 6.5 ~ 8.0）Sanitary wastewater by the inlet valve of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system lower left quarter into
Enter inside pond body, 10 crosslinked polyvinylpyrrolidone carrier net cages make at a slow speed clockwise under the driving of electronic net cage sliding rail
Rotation, makes waste water be come into full contact with the artificial zeolite containing crosslinked polyvinylpyrrolidone in carrier net cage, crosslinked polyethylene
Pyrrolidones can fully adsorb ammoniacal nitrogen and partial moisture in waste water, adsorb the crosslinked polyethylene pyrrolidines after nearly saturation
Ketone carrier net cage prolongs clockwise movement path and is raised to carrier net cage heating zone entrance, and enter inside heating zone, adds by electricity
The heating of heat coil makes crosslinked polyvinylpyrrolidone that thermal desorption occur, and the ammoniacal nitrogen and moisture of absorption are with ammonia-water vapour
The situation discharge of mixed gas, for mixed gas after the cooling of condenser pipe, the higher water recovery of boiling point is liquid water droplets,
In heated area's outlet return to pond body, and the relatively low ammonia of boiling point will not be cooled and be condensed into liquid, and be to continue with keeping gas
Form is entered through gas vent in the pickling tower of next processing links, by thermal desorption treated crosslinked polyethylene pyrrolidines
Ketone carrier net cage is regenerated, and is prolonged clockwise movement path and dropped to inside pond body through carrier net cage heating zone exit, then
Secondary and waste water simultaneously plays suction-operated, and the waste water after this system purified treatment is arranged by the water discharging valve of pond body upper right quarter
Go out pond body, into next processing links；Wherein, the effect of pH value regulating reservoir be by by primary sedimentation pH value of waste water adjust to
6.5 ~ 8.0, it is required with the water pH value that enters for meeting crosslinked polyvinylpyrrolidone carrier adsorption cleaning system；Wherein, aeration tank
Effect is by aerobic aeration process, and the phosphorus containg substances in waste water is made to be converted into orthophosphates；Wherein, the work in biological phosphate-eliminating pond
With being by bioactivity reaction process, the orthophosphates decomposition and inversion in waste water removes it from waste water.
Its crosslinked polyvinylpyrrolidone carrier adsorption cleaning system, pond body dischargeable capacity are 350m3；Crosslinked polyethylene pyrrole
Pyrrolidone carrier net cage volume is 5.5m3, aperture 12mm；The operating voltage of electronic net cage sliding rail is 380V, and rotating speed is
25min/ is enclosed.
Further, crosslinked polyvinylpyrrolidone carrier selects carrier of the artificial zeolite as crosslinked polyvinylpyrrolidone
Substance, crosslinked polyvinylpyrrolidone mass content are 40.5%.
Further, the operating voltage of the electric heating coil of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system is
380V, heating temperature can reach 225 DEG C；Condenser pipe use lithium bromide refrigerating agent, refrigeration machine operating voltage be 380V, cryogenic temperature
Up to 15 DEG C.
The advantage of the invention is that：
（1）This system has broken away from existing sanitary wastewater ammonia nitrogen purified treatment principle, and creative is utilized crosslinked polyethylene pyrrole
Pyrrolidone（PVPP）To the Selective adsorption of ammoniacal nitrogen in water, the carbonyl in molecular structure can form hydrogen bond network with amino chemical combination
Object is closed, the artificial zeolite containing crosslinked polyvinylpyrrolidone with sanitary wastewater is mixed, it is made fully to adsorb ammonia nitrogen therein,
So as to be purified the sanitary wastewater containing ammonia nitrogen, ammonia nitrogen removal efficiency is up to 98.8%
（2）The material that this system uses is artificial zeolite and crosslinked polyvinylpyrrolidone（Crosslinked polyvinylpyrrolidone）, two
Person is non-toxic, and the risk of pollutant that is new, endangering bigger is introduced so as to eliminate；Meanwhile both materials are simple and easy to get,
It is cheap, greatly reduce system operation cost.
（3）This system tail gas containing ammonia caused by it, the mode for employing pickling is purified except ammonia, net
It is good to change ammonia removal efficiency, additional pollution will not be caused to atmospheric environment.
（4）This system principle is simple and practicable, and design and construction cost is relatively low, and treatment effect is preferable, operation expense
It is very low, be conducive to promote and apply on a large scale.
Description of the drawings
Fig. 1 is the equipment schematic diagram of the present invention.
In figure：1- sumps, 2- coarse racks, 3- primary sedimentation basins, 4-pH values regulating reservoir, 5- crosslinked polyvinylpyrrolidone
Carrier adsorption cleaning system, 6- aeration tanks, 7- biological phosphate-eliminatings pond, 8- secondary sedimentation tanks, 9- water purifying tanks, 10- pickling towers
Fig. 2 is the schematic diagram of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system.
51- stainless steels pond body, 52- crosslinked polyvinylpyrrolidone carriers net cage, the electronic net cage sliding rails of 53-, 54- electrical heating
Coil, 55- inlet valves, 56- water discharging valves, 57- carrier net cages heating zone entrance, the outlet of 58- carrier net cages heating zone, 59-
Condenser pipe.
Specific embodiment
The processing system of ammonia nitrogen in removal sanitary wastewater as shown in Figure 1, the system include 1- sumps, 2- coarse racks,
3- primary sedimentation basins, 4-pH values regulating reservoir, 5- crosslinked polyvinylpyrrolidone carrier adsorption cleanings system, 6- aeration tanks, 7- lifes
Object dephosphorization pond, 8- secondary sedimentation tanks, 9- water purifying tanks, 10- pickling towers etc.；Wherein, the sanitary wastewater containing ammonia nitrogen passes through waste line
Into sump 1, centralized collection is carried out herein and preliminarily stabilised is adjusted, the outlet of sump 1 connects thick lattice by waste line
Grid 2 remove the major diameter solid matter in sanitary wastewater at this, and the outlet of coarse rack 2 connects primary sedimentation by waste line
Pond 3, in this insoluble matter in further removing waste water, the outlet of primary sedimentation basin 3 connects pH value by waste line and adjusts
Pond 4, waste water are neutralized and carry out the accurate adjusting of pH value herein, the pH value range that pH value regulating reservoir 4 is discharged for 6.5 ~
8.0, it is required with the water pH value that enters for meeting crosslinked polyvinylpyrrolidone carrier adsorption cleaning system, the outlet of pH value regulating reservoir 4
Crosslinked polyvinylpyrrolidone carrier adsorption cleaning system 5 is connected by waste line, crosslinked polyvinylpyrrolidone carrier is inhaled
Flue gas row's mouth of attached cleaning system 5 connects pickling tower 10 by exhaust piping, and pickling processes are carried out at this to go in removing exhaust gas
Tail gas Jing Guo purified treatment is discharged into atmospheric environment by ammonia, the outlet of pickling tower 10 by exhaust piping, meanwhile, crosslinked polyethylene
The discharge outlet of pyrrolidones carrier adsorption cleaning system 5 connects aeration tank 6 by waste line, passes through aerobic aeration mistake herein
Journey, makes the various phosphorus containg substances in waste water be converted into orthophosphates, and the outlet of aeration tank 6 connects biology by waste line and removes
Phosphorus pond 7, effect are by bioactivity reaction process, the orthophosphates decomposition and inversion in waste water are removed, biological phosphate-eliminating pond 7
Outlet by waste line connect secondary sedimentation tank 8, at this by waste water remaining insoluble matter all remove, secondary precipitation
The outlet in pond 8 connects water purifying tank 9 by waste line, and the outlet of water purifying tank 9 will be after this system be handled by waste line
Purification water outlet outer arrange；Wherein, the pond body of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system 5 uses stainless steel,
It is fixedly arranged in the middle of the electronic net cage sliding rail 53 of a circle, and 10 crosslinked polyethylene pyrroles are equipped at equal intervals on electronic net cage sliding rail 53
Alkanone carrier net cage 52, pond body top are equipped with carrier net cage heating zone, and heating zone is respectively arranged with electric heating coil 54 in both sides up and down, hands over
Join polyvinylpyrrolidone carrier net cage 52 and heating zone is entered by the entrance 57 on the left of heating zone, and the outlet 58 through right side is left
Heating zone, heating zone upper right quarter are equipped with condenser pipe 59, and pond body lower left quarter is equipped with inlet valve 55, and upper right quarter is equipped with water discharging valve
56；After pH value adjusting processing（PH value is 6.5 ~ 8.0 after processing）Sanitary wastewater carried on a shoulder pole by crosslinked polyvinylpyrrolidone
The inlet valve 55 of 5 lower left quarter of body adsorption cleaning system enters inside pond body, 10 crosslinked polyvinylpyrrolidone carrier net cages
52 make rotating clockwise at a slow speed under the driving of electronic net cage sliding rail 53, make waste water in carrier net cage 52 containing crosslinking poly-
The artificial zeolite of vinylpyrrolidone comes into full contact with, crosslinked polyvinylpyrrolidone can fully adsorb the ammoniacal nitrogen in waste water with
And partial moisture, it adsorbs the crosslinked polyvinylpyrrolidone carrier net cage 52 after nearly saturation and prolongs clockwise movement path and be raised to load
Body net cage heating zone entrance 57, and enter inside heating zone, by the heating of electric heating coil 54, make crosslinked polyethylene pyrrolidines
Thermal desorption occurs for ketone, and the ammoniacal nitrogen and moisture of absorption are discharged with the situation of ammonia-water vapor mixture body, and mixed gas is passed through
After the cooling of condenser pipe 59, the higher water recovery of boiling point is liquid water droplets, and heated area outlet 58 is back in pond body, and
The relatively low ammonia of boiling point, which will not be cooled, is condensed into liquid, and is to continue with that gas form is kept to enter next processing through gas vent
In the pickling tower 10 of link, by thermal desorption, treated that crosslinked polyvinylpyrrolidone carrier net cage 52 is regenerated, and prolong
Clockwise movement path at carrier net cage heating zone outlet 58 through dropping to inside pond body, again with waste water and playing absorption
Effect, the waste water after this system purified treatment discharges pond body by the water discharging valve 56 of pond body upper right quarter, into next processing
Link；Wherein, the effect of pH value regulating reservoir 4 is will to be adjusted by the pH value of waste water of primary sedimentation to 6.5 ~ 8.0, to meet crosslinking
Polyvinylpyrrolidone carrier adsorption cleaning system 5 enters the requirement of water pH value；Wherein, the effect of aeration tank 6 is by aerobic exposure
Gas process makes the phosphorus containg substances in waste water be converted into orthophosphates；Wherein, the effect in biological phosphate-eliminating pond 7 is living by biology
Property reaction process, the orthophosphates decomposition and inversion in waste water removes it from waste water.
By this system treated sanitary wastewater, ammonia nitrogen removal efficiency is up to 98.8%.
Claims (1)
1. a kind of processing system for removing ammonia nitrogen in sanitary wastewater, which is characterized in that the system includes sump, coarse rack, one
It is secondary sedimentation basin, pH value regulating reservoir, crosslinked polyvinylpyrrolidone carrier adsorption cleaning system, aeration tank, biological phosphate-eliminating pond, secondary
Sedimentation basin, water purifying tank, pickling tower etc.；Wherein, the sanitary wastewater containing ammonia nitrogen enters sump by waste line, and sump goes out
Mouth connects coarse rack by waste line, and the outlet of coarse rack connects primary sedimentation basin by waste line, primary sedimentation basin
Outlet connects pH value regulating reservoir by waste line, and the outlet of pH value regulating reservoir connects crosslinked polyethylene pyrroles by waste line
Alkanone carrier adsorption cleaning system, flue gas row's mouth of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system pass through exhaust piping
Pickling tower is connected, the tail gas Jing Guo purified treatment is discharged into atmospheric environment by the outlet of pickling tower by exhaust piping, meanwhile, crosslinking
The discharge outlet of polyvinylpyrrolidone carrier adsorption cleaning system connects aeration tank by waste line, and the outlet of aeration tank passes through
Waste line connection biological phosphate-eliminating pond, the outlet in biological phosphate-eliminating pond connect secondary sedimentation tank, secondary sedimentation tank by waste line
Outlet water purifying tank is connected by waste line, the outlet of water purifying tank by waste line will after treatment purification water outlet it is outer
Row；
Wherein, the pond body of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system uses stainless steel, is fixedly arranged in the middle of
One encloses electronic net cage sliding rail, and 10 crosslinked polyvinylpyrrolidone carrier net cages, pond are equipped at equal intervals on electronic net cage sliding rail
Carrier net cage heating zone is equipped with above body, both sides are respectively arranged with electric heating coil, crosslinked polyvinylpyrrolidone load up and down for heating zone
Body net cage enters heating zone by the entrance on the left of heating zone, and heating zone, the installation of heating zone upper right quarter are left in the outlet through right side
Have a condenser pipe, pond body lower left quarter is equipped with inlet valve, and upper right quarter is equipped with water discharging valve, by pH value adjust processing pH value for 6.5 ~
8.0 sanitary wastewater is entered by the inlet valve of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system lower left quarter in pond body
Portion, 10 crosslinked polyvinylpyrrolidone carrier net cages are made rotating clockwise at a slow speed under the driving of electronic net cage sliding rail, are made
Waste water comes into full contact with the crosslinked polyvinylpyrrolidone carrier in carrier net cage, and crosslinked polyvinylpyrrolidone can fully inhale
Ammoniacal nitrogen and partial moisture in attached waste water adsorb the crosslinked polyvinylpyrrolidone carrier net cage after nearly saturation and prolong clockwise
Motion path is raised to carrier net cage heating zone entrance, and enters inside heating zone, by the heating of electric heating coil, makes crosslinking
Thermal desorption occurs for polyvinylpyrrolidone, and the ammoniacal nitrogen and moisture of absorption are discharged in the form of ammonia-water vapor mixture body,
Mixed gas is after the cooling of condenser pipe, and the higher water recovery of boiling point is liquid water droplets, and heated area's outlet return is extremely
In pond body, and the relatively low ammonia of boiling point will not be cooled and be condensed into liquid, and be to continue with that gas form is kept through gas vent to enter
Into the pickling tower of next processing links, by thermal desorption, treated that crosslinked polyvinylpyrrolidone carrier net cage is able to again
It is raw, and prolong clockwise movement path and dropped to inside pond body through carrier net cage heating zone exit, it is concurrent with waste water again
Suction-operated is waved, waste water after treatment discharges pond body by the water discharging valve of pond body upper right quarter, into next processing links；
Wherein, the pond body dischargeable capacity of crosslinked polyvinylpyrrolidone carrier adsorption cleaning system is 350m3, crosslinked polyethylene
Pyrrolidones carrier net cage volume is 5.5m3, aperture 12mm, the operating voltage of electronic net cage sliding rail is 380V, and rotating speed is
25min/ is enclosed；
Crosslinked polyvinylpyrrolidone carrier selects support material of the artificial zeolite as crosslinked polyvinylpyrrolidone, crosslinking
Polyvinylpyrrolidone mass content is 40.5%.
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| CN201810058511.7A CN108178451B (en) | 2016-04-06 | 2016-04-06 | Treatment system for removing ammonia nitrogen in domestic wastewater |
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| CN201610208088.5A CN105693033B (en) | 2016-04-06 | 2016-04-06 | The processing system of ammonia nitrogen in a kind of removal sanitary wastewater |
| CN201810058511.7A CN108178451B (en) | 2016-04-06 | 2016-04-06 | Treatment system for removing ammonia nitrogen in domestic wastewater |
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| CN105883965A (en) * | 2016-05-13 | 2016-08-24 | 杭州启澄科技有限公司 | Cross-linked polyvininylpolyrrolidone supporter adsorption and purification system |
| CN106336105A (en) * | 2016-10-09 | 2017-01-18 | 上海市政工程设计研究总院（集团）有限公司 | Method for vertical solar intensified deep biological drying of sludge |
| CN109607670A (en) * | 2019-01-28 | 2019-04-12 | 荆楚理工学院 | The method for removing the compound suppressed growth of microorganism in waste water |
| CN112093832B (en) * | 2020-09-21 | 2022-12-27 | 南京沃谱瑞环境研究院有限公司 | Preparation method of medicament for treating ammonia nitrogen wastewater |
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| CN105693033A (en) | 2016-06-22 |
| CN105693033B (en) | 2018-04-24 |
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