CN108483709A - High-concentration ammonia nitrogen sewage treatment equipment and its processing method - Google Patents
High-concentration ammonia nitrogen sewage treatment equipment and its processing method Download PDFInfo
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- CN108483709A CN108483709A CN201810289143.7A CN201810289143A CN108483709A CN 108483709 A CN108483709 A CN 108483709A CN 201810289143 A CN201810289143 A CN 201810289143A CN 108483709 A CN108483709 A CN 108483709A
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- ammonia nitrogen
- tank body
- waste water
- tank
- reactive tank
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000010865 sewage Substances 0.000 title claims abstract description 16
- 238000003672 processing method Methods 0.000 title abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000008021 deposition Effects 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims description 55
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000001556 precipitation Methods 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 4
- WALYXZANOBBHCI-UHFFFAOYSA-K magnesium sodium trichloride hydrate Chemical compound O.[Cl-].[Na+].[Mg+2].[Cl-].[Cl-] WALYXZANOBBHCI-UHFFFAOYSA-K 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 241000628997 Flos Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- -1 compound nitrogen phosphate Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002686 phosphate fertilizer Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- CUXQLKLUPGTTKL-UHFFFAOYSA-M microcosmic salt Chemical compound [NH4+].[Na+].OP([O-])([O-])=O CUXQLKLUPGTTKL-UHFFFAOYSA-M 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
-
- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of high-concentration ammonia nitrogen sewage treatment equipment and its processing method, processing equipment of the invention includes：Regulating reservoir, it is connected to stripping tower by the first pump, stripping tower is connected to wind turbine, absorption tower and the first reactive tank respectively, and the first reactive tank is connected to the second reactive tank, second reactive tank is connected to third reactive tank, third reactive tank is connected to high efficiency particulate air filter by the second pump, and high efficiency particulate air filter includes tank body, and inlet is arranged in tank body side, inlet is connect by inlet tube with the diffuser being arranged in tank body, and reflecting plate is arranged in the lower section of diffuser；Sloping plate deposition district is set in tank body and at diffuser, and card is arranged in tank body internal upper part, and filter cap is arranged at card, and simultaneously liquid outlet is arranged in tank body side above card；Region between tank body inner swash plate settling zone and card is filter medium region.The design of the invention is scientific and reasonable, adapts to a degree of load fluctuation and variation, and stable water outlet is up to standard, high degree of automation, has saved medicament and artificial.
Description
Technical field
The present invention relates to sewage treatment equipments, more particularly, to high-concentration ammonia nitrogen sewage treatment equipment and its processing method.
Background technology
The prior art of high-concentration ammonia nitrogenous wastewater processing mainly has blow-off method, chemical precipitation method, membrane processing method.At blow-off method
During reason high-concentration ammonia nitrogenous wastewater has the advantages that removal efficiency is high, stable, opposite processing cost is low, but blow-off method is only suitable for
The ammonia nitrogen waste water of high concentration pre-processes, it is difficult to which ammonia nitrogen concentration is reduced to 15mg/L following implemented discharged wastewater met the national standard.Chemistry is heavy
Shallow lake method can handle the magnesium ammonium phosphate sediment that the ammonia nitrogen waste water of various concentration, high treating effect, and chemical precipitation method are formed and can do
Fertilizer recycles, but dosing is big when Treatment of Ammonia Nitrogen Wastewater with High Concentration by Chemical Precipitation, and processing cost is high, generates sometimes
Precipitation particle is tiny or flock, being separated by solid-liquid separation in commercial Application has certain difficulty.Membrane processing method handles high strength ammonia
Nitrogen waste water energy reaches good removal effect, and the major defect of membrane processing method is that film is easy to pollute and stability in Industrial Wastewater Treatment
Difference compares other processing methods, and operating cost and expense are relatively high, therefore limit its application to a certain extent.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems, to provide a kind of high-concentration ammonia nitrogen sewage treatment equipment and its place
Reason method, adapts to a degree of load fluctuation and variation, and stable water outlet is up to standard.
To achieve the goals above, the present invention provides a kind of high-concentration ammonia nitrogen sewage treatment equipments, including are used to adjust
Regulating reservoir described in the regulating reservoir of pH value of waste water is connected to stripping tower by the first pump, and the stripping tower is connected to wind turbine, absorption tower respectively
And the first reactive tank for adjusting pH value of waste water, first reactive tank are connected to the second reaction for removing ammonia nitrogen in waste water
Slot, second reactive tank are connected to the third reactive tank for removing ammonia nitrogen in waste water, and the third reactive tank passes through the second pump
It is connected to high efficiency particulate air filter, after high efficiency particulate air filter is connect with mud pit, the mud pit is connected with third pump, the third pump connection
In filter press, the high efficiency particulate air filter includes tank body, and inlet is arranged in tank body side, and inlet is by inlet tube with setting in institute
The diffuser connection in tank body is stated, reflecting plate is arranged in the lower section of the diffuser；In the tank body and at the diffuser
Sloping plate deposition district is set, and card is arranged in the tank body internal upper part, and filter cap is arranged at the card, and the tank body side is simultaneously located at institute
It states and liquid outlet is set above card；The region between the sloping plate deposition district and the card in the tank body is filter medium
Region.
Further：The manhole of easy access is set on the tank body.
Further：Pneumostome is arranged in the top of the tank.
Further：Bottom drain is arranged in the tank base, and valve is arranged at bottom drain.
Further：The filter medium region is made of granular synthetic resin medium.
Further：Horn mouth is arranged in the bottom of the diffuser.
The present invention also provides a kind of high-concentration ammonia nitrogen waste water treatment methods, include the following steps：
S1：With first pump will waste water be pumped into stripping tower in, carry out ammonia nitrogen in high density stripping pretreatment, the ammonia that stripping goes out into
Enter absorption tower absorption；
S2:Stripping treated ammonia nitrogen waste water enters the first reactive tank and sulfuric acid is added to be adjusted to the PH needed for Ammonia Nitrogen Precipitation from Simulated reaction
Value；
S3：It is separately added into disodium hydrogen phosphate aqueous solution in the second reactive tank, third reactive tank and magnesium chloride brine carries out
Precipitation reaction；
S4:Ammonia nitrogen waste water after precipitation reaction is pumped by second in high efficiency particulate air filter, is removed remaining in ammonia nitrogen waste water
Ammonia nitrogen, obtain clear water up to standard.
S5：The mud of the high efficiency particulate air filter discharge enters after mud pit through third pumping to filter press, and mud cake is made
To be sold outside compound nitrogen phosphate fertilizer.
Compared with prior art, the present invention has the advantages that：The design of the invention is scientific and reasonable, adapts to certain journey
The load fluctuation and variation of degree, stable water outlet is up to standard, high degree of automation, has saved medicament and artificial.
Description of the drawings
Fig. 1 is the structure diagram of the high-concentration ammonia nitrogen sewage treatment equipment of the present invention；
Fig. 2 is high efficiency particulate air filter structure chart in the high-concentration ammonia nitrogen sewage treatment equipment of the present invention.
Specific implementation mode
The first embodiment of the present invention discloses a kind of high-concentration ammonia nitrogen sewage treatment equipment, shown in Figure 1, including
Regulating reservoir 1 for adjusting pH value of waste water adjusts influent quality to best stripping condition to the homogenizing to water quality and quantity,
It is connected to stripping tower 3 by the first 2 (1# pumps) of pump, the first pump 2 is promoted in ammonia nitrogen waste water to stripping tower 3, controls flow of inlet water, stripping
Tower 3 is connected to wind turbine 4, absorption tower 5 and the first reactive tank 6 (1# reactive tanks) for adjusting pH value of waste water respectively, absorption tower 5 to
The ammonia that stripping tower 3 is blown out is absorbed, in order to avoid causing secondary pollution, is that stripping tower 3 provides suitable airflow pressure by wind turbine, reaches
To ammonia nitrogen removal effect, the first reactive tank 6 is connected to remove the second reactive tank 7 (2# reactive tanks) of ammonia nitrogen in waste water, and second
Reactive tank 7 is connected to remove the third reactive tank 8 (3# reactive tanks) of ammonia nitrogen in waste water, and third reactive tank 8 passes through the second pump 9
(2# pumps) is connected to high efficiency particulate air filter 10, is used for the separation of solid and liquid of ammonia nitrogen waste water precipitation reaction, removes remaining ammonia nitrogen in waste water, efficiently
After filter 10 is connect with mud pit 20, mud pit 20 is connected with third pump 30, and third pump 30 is connected to filter press 40, by mud
It is extracted to the external world by filter press 40 and sells mud cake outside as compound nitrogen phosphate fertilizer.
Wherein, as shown in Fig. 2, high efficiency particulate air filter 1 includes tank body, inlet 101 is arranged in tank body side, and inlet 101 is logical
It crosses inlet tube to connect with the diffuser 103 being arranged in tank body, reflecting plate 105 is arranged in the lower section of diffuser 103；In tank body and position
Sloping plate deposition district 106 is set at diffuser 103, and tank body internal upper part is arranged card 107, filter cap, tank body one is arranged at card 107
Simultaneously liquid outlet 102 is arranged positioned at 107 top of card in side；Region between tank body inner swash plate settling zone 106 and card 107 is filtering
Areas of dielectric 108.
In the present embodiment, the manhole 111 of easy access is set on tank body.Pneumostome 110 is arranged in top of the tank.Tank base
Bottom drain 109 is set, valve is set at bottom drain 109.Filter medium region 108 is by granular synthetic resin medium structure
At.Horn mouth 104 is arranged in the bottom of diffuser 103.
PH robot control system(RCS)s are set at regulating reservoir 1, and pH robot control system(RCS)s include medicine storing pot, and medicine storing pot is connected to adjusting by chemical feed pipe
Dosing pump is arranged on chemical feed pipe, the sensor for detecting pH value is arranged in regulating reservoir 1, sensor and dosing pump are connected to for pond 1
Control unit.
In specific works, by high-concentration ammonia nitrogenous wastewater, pond 1 is adjusted to suitable stripping treatment conditions, wherein pH value after the adjustment
Adjusting use in regulating reservoir 1 install pH auto-controlling apparatus, the pH value of waste water is monitored online, when pH value of waste water be less than 11 when, automatic control
Instrument sends out instruction and adds sodium hydroxide solution, and when pH value of waste water is higher than 13, auto-controlling apparatus, which sends out instruction, to be stopped adding sodium hydroxide
Solution；The temperature of waste water is monitored online using temperature controller is installed in regulating reservoir 1 in the adjusting of temperature, when waste water temperature is less than 35
Degree Celsius when, temperature controller send out instruction by the keying of automatic valve make waste water flow through boiler afterheat exchanger heat, work as waste water
When temperature is higher than 60 degrees Celsius, temperature controller sends out instruction makes waste water be not passed through boiler afterheat exchange by the keying of automatic valve
Device.
First, waste water through boiler afterheat be heated to 30-45 degree enter regulating reservoir 1 with first pump 2 be pumped into stripping towers 3 in, adjust
4 airflow pressure of wind turbine is saved, ammonia-nitrogen desorption pretreatment is carried out, the ammonia that stripping goes out enters absorption tower 5 and absorbed with dilute sulfuric acid, stripping gas
The adjusting of liquor ratio on the pipeline after the first pump 2 using linear flow rate meter is mounted on, and according to the variation of flow, flowmeter sends out finger
It enables, open big or turns down air-blower control valve, stripping gas liquid ratio is made to be maintained at best, treated that ammonia nitrogen waste water enters first for stripping
Reactive tank 6 plus sulfuric acid are adjusted to pH value needed for Ammonia Nitrogen Precipitation from Simulated reaction, and phosphoric acid is separately added into the second reactive tank 7, third reactive tank 8
Disodium hydrogen aqueous solution carries out precipitation reaction with magnesium chloride brine by the second pump 9, removes remaining ammonia nitrogen, the ammonia after precipitation reaction
Nitrogen waste water is pumped into high efficiency particulate air filter 10, and high efficiency particulate air filter 10 can retain reaction particles object very small in waste water, reach fine
Solid-liquid separation effect, to achieve the purpose that remove remaining ammonia nitrogen in ammonia nitrogen waste water, high efficiency particulate air filter 10 be discharged it is as clear as crystal,
In water suspension content in 10mg/L hereinafter, ammonia nitrogen concentration is in 15mg/L or less.Water outlet meets national grade one discharge standard.Technique
Described in best stripping pH value be 11-13, best stripping temperature is 35-60 degrees Celsius, and best stripping gas liquid ratio is 3500：1, work
Precipitation reaction optimum response pH value described in skill is 9.0-10.5, and optimum reacting time is 30 minutes.High efficiency filter in equipment
Filtration treatment of the device 10 especially suitable for ammonia nitrogen waste water precipitation reaction, the filter medium energy of the static electrification lotus in high efficiency particulate air filter 10
Particulate matter that is subtle, being not easy in the crystallization process precipitated is effectively adsorbed, ammonium magnesium phosphate crystal could not be formed in precipitation reaction completely
Fine particle can also obtain effectively retain removal.
Ammonia nitrogen waste water is adjusted to suitable stripping pH value, and pH value of waste water, which has, after stripping slightly declines, and waste water enters first
Reactive tank 6 is not necessarily to adjust pH value or a small amount of dilute sulfuric acid is only needed to adjust the optimal pH range that pH value can reach precipitation reaction；
The aqueous solution of added microcosmic salt, magnesium salts is in acidity in precipitation reaction, and pH value of waste water can be down between 6-9 after reaction, nothing
It need to add acid-base accommodation pH value that can meet emission request again.Ammonia after stripping is absorbed with dilute sulfuric acid, can be recycled outside ammonium sulfate
It sells；The ammonium magnesium phosphate solid that reaction generates is a kind of compound fertilizer, can be recycled.
Second embodiment of the present invention discloses a kind of high-concentration ammonia nitrogen waste water treatment method, technical characteristics with
First embodiment is identical, and method includes the following steps：
S1：With first pump will waste water be pumped into stripping tower in, carry out ammonia nitrogen in high density stripping pretreatment, the ammonia that stripping goes out into
Enter absorption tower absorption；
S2:Stripping treated ammonia nitrogen waste water enters the first reactive tank and sulfuric acid is added to be adjusted to the PH needed for Ammonia Nitrogen Precipitation from Simulated reaction
Value；
S3：It is separately added into disodium hydrogen phosphate aqueous solution in the second reactive tank, third reactive tank and magnesium chloride brine carries out
Precipitation reaction；
S4:Ammonia nitrogen waste water after precipitation reaction is pumped by second in high efficiency particulate air filter, is removed remaining in ammonia nitrogen waste water
Ammonia nitrogen, obtain clear water up to standard.
S5：The mud of high efficiency particulate air filter discharge enters after mud pit by third pumping to filter press, using mud cake as nitrogen
It is sold outside phosphorus composite fertilizer.
The method of the step is identical as the method in first embodiment, and this is no longer going to repeat them, such high strength ammonia
The characteristics of pH value falls progressively in ammonia nitrogen waste water processing procedure is cleverly utilized in nitrogen waste water treatment process, has saved used in adjusting pH value
The dosage of soda acid, this technique have been accomplished the comprehensive utilization of exhaust gas and waste residue while handling high-concentration ammonia nitrogenous wastewater, have been prevented
Secondary pollution.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, every technical solution for belonging to the principle of the invention all belong to the scope of protection of the present invention.For those skilled in the art
Speech, several improvement carried out without departing from the principles of the present invention, these improvement also should be regarded as the protection model of the present invention
It encloses.
Claims (7)
1. a kind of high-concentration ammonia nitrogen sewage treatment equipment, which is characterized in that include the regulating reservoir for adjusting pH value of waste water, it is described
Regulating reservoir is connected to stripping tower by the first pump, and the stripping tower is connected to wind turbine, absorption tower and respectively for adjusting pH value of waste water
First reactive tank, first reactive tank are connected to the second reactive tank for removing ammonia nitrogen in waste water, and second reactive tank connects
In the third reactive tank for removing ammonia nitrogen in waste water, the third reactive tank is connected to high efficiency particulate air filter by the second pump, efficiently
After filter is connect with mud pit, the mud pit is connected with third pump, and the third pump is connected to filter press, the efficient mistake
Filter includes tank body, and inlet is arranged in tank body side, and inlet is connected by inlet tube and the diffuser being arranged in the tank body
It connects, reflecting plate is arranged in the lower section of the diffuser；Sloping plate deposition district is set in the tank body and at the diffuser, it is described
Card is arranged in tank body internal upper part, and filter cap is arranged at the card, and simultaneously liquid is provided above the card in the tank body side
Mouthful；The region between the sloping plate deposition district and the card in the tank body is filter medium region.
2. high-concentration ammonia nitrogen sewage treatment equipment according to claim 1, it is characterised in that：Setting is convenient on the tank body
The manhole of maintenance.
3. high-concentration ammonia nitrogen sewage treatment equipment according to claim 1, it is characterised in that：The top of the tank setting is exhaled
Suction inlet.
4. high-concentration ammonia nitrogen sewage treatment equipment according to claim 1, it is characterised in that：Bottom is arranged in the tank base
Valve is arranged at the bottom drain for portion's floss hole.
5. high-concentration ammonia nitrogen sewage treatment equipment according to claim 1, it is characterised in that：The filter medium region by
Granular synthetic resin medium is constituted.
6. high-concentration ammonia nitrogen sewage treatment equipment according to claim 1, it is characterised in that：The bottom of the diffuser is set
Set horn mouth.
7. a kind of high-concentration ammonia nitrogen waste water treatment method comprising described in any one of claim 1-6, which is characterized in that including
Following steps：
S1：Waste water is pumped into stripping tower with the first pump, carries out ammonia nitrogen in high density stripping pretreatment, the ammonia that stripping goes out enters suction
Tower is received to absorb；
S2:Stripping treated ammonia nitrogen waste water enters the first reactive tank and sulfuric acid is added to be adjusted to the pH value needed for Ammonia Nitrogen Precipitation from Simulated reaction；
S3：It is separately added into disodium hydrogen phosphate aqueous solution in the second reactive tank, third reactive tank and magnesium chloride brine is precipitated
Reaction；
S4:Ammonia nitrogen waste water after precipitation reaction is pumped by second in high efficiency particulate air filter, removes ammonia remaining in ammonia nitrogen waste water
Nitrogen obtains clear water up to standard.
S5：The mud of the high efficiency particulate air filter discharge enters after mud pit by third pumping to filter press, using mud cake as nitrogen
It is sold outside phosphorus composite fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810289143.7A CN108483709A (en) | 2018-04-03 | 2018-04-03 | High-concentration ammonia nitrogen sewage treatment equipment and its processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289143.7A CN108483709A (en) | 2018-04-03 | 2018-04-03 | High-concentration ammonia nitrogen sewage treatment equipment and its processing method |
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| CN108483709A true CN108483709A (en) | 2018-09-04 |
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ID=63318166
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| CN201810289143.7A Pending CN108483709A (en) | 2018-04-03 | 2018-04-03 | High-concentration ammonia nitrogen sewage treatment equipment and its processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821857A (en) * | 2019-02-19 | 2019-05-31 | 四川恒泰环境技术有限责任公司 | A kind of Innocent treatment method of electrolytic manganese slag and its device |
| CN110078178A (en) * | 2019-05-10 | 2019-08-02 | 浙江浙能嘉华发电有限公司 | A kind of strong ammonia wastewater cyclic electrolysis treatment process and equipment |
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