CN104276720B - Missile dismantling wastewater treatment system - Google Patents
Missile dismantling wastewater treatment system Download PDFInfo
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- CN104276720B CN104276720B CN201310293234.5A CN201310293234A CN104276720B CN 104276720 B CN104276720 B CN 104276720B CN 201310293234 A CN201310293234 A CN 201310293234A CN 104276720 B CN104276720 B CN 104276720B
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Abstract
The invention provides a missile disassembly wastewater treatment system. The missile disassembly wastewater treatment system comprises a raw water tank, an anaerobic ammonia oxidation reactor, a coagulation and sedimentation tank, an electrolytic oxidation (Elc-V) system, a catalytic oxidation (AOP-M) system, an ultrafiltration system and a reverse osmosis system which are connected sequentially through a pipeline. The missile disassembly wastewater treatment system provided by the invention realizes integration of a wastewater treatment technology, the using efficiency is high, the water quality can completely achieve the standard of water for production, and closed-loop circulation of the system also realizes zero pollution of an environment.
Description
Technical field
The present invention relates to a kind of Waste Water Treatment, more particularly to a kind of guided missile for realizing zero-emission disassembles Waste Water Treatment.
Background technology
Guided missile contains perchlorate in disassembling waste water, due to dissolubility of the perchlorate in water it is big, and be difficult to be adsorbed by most of soils and mineral, perchlorate once can be quickly spread with the flowing of subsoil water and surface water into environment, so as to pollute the rapid expansion of scope, the environmental pollutions such as water, soil can be caused.Not only serious threat is brought to drinking water safety, it is also possible to enter in animals and plants even human body by number of ways, perchlorate enters human body, can affect the absorption of iodine, so as to destroy thyroid function.But perchlorate has non-volatile, highly dissoluble and dynamic stability, it is to exist steadily in the long term under the conditions of general environment, degradation process is often even longer time decades, generally conventional processing method is difficult to remove.
The content of the invention
It is an object of the invention to provide a kind of guided missile disassembles Waste Water Treatment, which can solve the disadvantages mentioned above of prior art.
The technical scheme is that a kind of guided missile of offer disassembles Waste Water Treatment, including the former pond, anaerobic ammonia oxidation reactor, coagulative precipitation tank, electrolytic oxidation (Elc-V) system, cross-flow catalysis oxidation (AOP-M) system, ultrafiltration system, counter-infiltration system that are sequentially connected by pipeline.
Preferably, the anaerobic ammonia oxidation reactor is IC reactors.
Preferably, the catalytic oxidation system includes catalytic oxidizing equipment and the sedimentation tank being sequentially connected by pipeline, and the wherein import of catalytic oxidizing equipment is connected with electrolytic oxidation system.
Preferably, the ultrafiltration system includes that is produced from pond in the ultrafiltration inlet water tank, more medium filter, ultrafiltration cartridge filter, ultrafiltration apparatus and the ultrafiltration that are sequentially connected by pipeline, and the import of the ultrafiltration inlet water tank is connected with the catalytic oxidation system.
Preferably, the counter-infiltration system includes being sequentially connected by pipeline RO cartridge filters, one-level RO reverse osmosis filter, two grades of RO reverse osmosis filters, the import of the RO cartridge filters are connected with ultrafiltration system.
Preferably, the concentrated water of the counter-infiltration system is brought out mouth and is connected with the import of former pond.
Preferably, the one-level RO reverse osmosis filter, the concentrated water of two grades of RO reverse osmosis filters are brought out mouth and are connected with the import of former pond.
Preferably, the concentrated water outlet of the ultrafiltration system is connected with the import of former pond.
Preferably, the water purification end of the one-level RO reverse osmosis filter and two grades of RO reverse osmosis filters, the water purification end of two grades of RO reverse osmosis filters are connected with production reclaiming system.
Preferably, the guided missile disassembles Waste Water Treatment also includes sludge concentration tank, and the import of the sludge concentration tank is connected with the sludge outlet of coagulative precipitation tank and the sedimentation tank of catalytic oxidation system.
Preferably, the coagulative precipitation tank includes a coagulating basin, sedimentation tank and the secondary dosing pond being sequentially connected, and the import of a coagulating basin is connected with IC reactors.
Present invention also offers a kind of disassemble the method that Waste Water Treatment process guided missile disassembles waste water using above-mentioned guided missile, comprise the following steps：
Step 1, waste water enter anaerobic ammonia oxidation reactor by former pond, and Jing Anammoxs carry out denitrogenation processing, removal of ammonia and nitrogen；
Step 2, the waste water Jing after step 1 process enter coagulative precipitation tank, add flocculant, Jing flocculation sediments to remove the float in waste water；
Step 3, the waste water of Jing steps 2 process enter electrolytic oxidation system, are passed through electric current in waste water, and oxidation reaction occurs at anode with solution interface, reduction reaction occurs at negative electrode with solution interface, and then removes the perchlorate in waste water；
Step 4, the waste water of Jing steps 3 process enter catalytic oxidation system, by majority of organic pollutants mineralising or effectively decomposition；
Step 5, the waste water of Jing steps 4 process enter ultrafiltration system, further remove float in water, colloidal substance and microorganism；
Step 6, the waste water Jing after step 5 process sequentially pass through RO cartridge filters, one-level RO reverse osmosis filter, two grades of RO reverse osmosis filters reverse-osmosis treateds and remove inorganic salt, Organic substance, microorganism and colloid, discharge after reaching discharge standard.
Preferably, also including step 7：In step 5, in the concentrated water end waste water of the ultrafiltration apparatus of ultrafiltration system and step 6, the concentrated water end waste water of one-level RO reverse osmosis filter and two grades of RO reverse osmosis filters enters former pond, repeat step 1-6.
Wherein, step 7 can be repeated as many times as desired.
Preferably, step 7 is at least repeated once, more preferably repeatedly 2-10 time, more preferably repeatedly 3-8 time, for example, be repeated 4 times, 5 times, 6 times or 7 times.
The guided missile that the present invention is provided is disassembled Waste Water Treatment and realizes guided missile and disassembles the integrated of wastewater processing technology, and service efficiency is high, and water quality is entirely capable of reaching the standard of industrial water, and zero environmental is realized in the closed cycle of system.
Description of the drawings
Fig. 1 is the structural representation that guided missile described in embodiment disassembles Waste Water Treatment；
Fig. 2 disassembles wastewater treatment process figure for guided missile.
Specific embodiment
With reference to the accompanying drawings, in conjunction with specific embodiments Ben Fanming is further described, to more fully understand the present invention.
As illustrated in fig. 1 and 2, a kind of guided missile disassembles Waste Water Treatment, produces pond, RO cartridge filters, one-level RO reverse osmosis filter, two grades of RO reverse osmosis filters and sludge concentration tank including former pond, IC reactors, coagulative precipitation tank, electrolytic oxidation (Elc-V) system, catalysis oxidation (AOP-M) device, sedimentation tank, ultrafiltration inlet water tank, more medium filter, ultrafiltration cartridge filter, ultrafiltration apparatus, ultrafiltration.
The outlet connection IC reactors of former pond，The outlet connection coagulative precipitation tank of connection IC reactors，The wastewater outlet connection Elc-V systems of coagulative precipitation tank，The outlet connection AOP-M devices of Elc-V systems，The outlet connection sedimentation tank of AOP-M，The wastewater outlet connection ultrafiltration inlet water tank of sedimentation tank，The outlet connection more medium filter of ultrafiltration inlet water tank，The outlet connection ultrafiltration cartridge filter of more medium filter、The outlet connection ultrafiltration apparatus of ultrafiltration cartridge filter、The water purification of ultrafiltration apparatus brings out mouth connection ultrafiltration and produces pond，The outlet connection RO cartridge filters in pond are produced in ultrafiltration、The outlet connection one-level RO reverse osmosis filter of RO cartridge filters，The outlet connection one-level RO reverse osmosis filter at the water purification end of one-level RO reverse osmosis filter，The outlet at two grades of RO reverse osmosis filter water purification ends can be connected with tapping equipment，Water up to standard is discharged.
The concentrated water of ultrafiltration apparatus, one-level RO reverse osmosis filter and one-level RO reverse osmosis filter is brought out mouth and is connected with former pond.
The import of sludge concentration tank is connected with the sludge outlet of coagulative precipitation tank and the sedimentation tank of AOP-M systems.
(1) waste water Jing collecting pits pump into IC response systems, and Jing Anammoxs carry out denitrogenation processing, efficient removal ammonia nitrogen.
(2) after waste water enters Elc-V cell bodies, overvoltage and electric current is passed through in waste water, oxidation reaction occurs at anode with solution interface, reduction reaction occurs at negative electrode with solution interface, and then removes the perchlorate in waste water.
(3) waste water is again introduced into AOP-M systems.By most organic pollutants mineralising or effectively decomposition, or even thoroughly it is converted into harmless small molecule inorganic matters.The content of Organic substance in water can be effectively reduced, COD is reduced, the process load of subsequent technique section is reduced.
(3) waste water Jing more medium filters are gone in eliminating water float and colloidal substance.
(4) waste water provides guarantee water quality through UF (ultrafiltration) device, further turbidity removal and antibacterial, virus and other harmful substances for follow-up pure water system.
(5) waste water is further across the process of RO (reverse osmosiss) system, it is ensured that standard water discharge is discharged.
(6) concentrate recirculation of UF and RO process sections is to former pond.
IC reactors
IC reactor profiles are vertical tank bodies, need waste water to be processed to pump into reactor using efficient water distribution system by reactor bottom, mix with the anaerobic grain sludge in reactor.The treatment region based on the reactor lower part, most organic matter are converted into methane and carbon dioxide.These mixed gas (or being called biogas) are collected by the three phase separator of bottom." air stripping " for producing drives current to enter the gas-liquid separator of reactor head by tedge.Biogas overflows reactor from this separator, and current return to the bottom of reactor through down-comer.In the precision processing area on top, waste water is further processed.Biogas spins off in the liquid phase in precision processing stage, is then collected by the three phase separator on top, and the water for processing is discharged from reactor head.
IC systems are capable of achieving Anammox simultaneously and carry out denitrogenation, efficient removal ammonia nitrogen.
In theory, ammonia can also be almost favourable such as aerobic nitrification as denitrifying inorganic matters electron donor, free energy of reaction at that time.In the reactor, ammonia and (Asia) nitrate reaction generate N2, react as follows：
5NH4 ++3NO3 -→4N2+9H2O+2H+
G0'=- 297kJ/molNH4 +
NH4 ++NO2 -→N2+2H2O
G0'=- 358kJ/molNH4 +
Obtaining Anammox at present has number of ways：
A) one of which includes that oxyammonia and nitrite generate N2The reaction of O, and N2O can be further converted to nitrogen, and ammonia is oxidized to oxyammonia.
B) another kind is that ammonia and oxyammonia reaction generate hydrazine, and hydrazine is converted to nitrogen and generates 4 reproducibilities [H], and reproducibility [H] is passed to nitrous acid also original system and forms oxyammonia.
C) the third is：One side nitrous acid is reduced to NO, and NO is reduced to N2O, N2O is reduced into N again2；On the other hand, NH4 +It is oxidized to NH2OH, NH2OH Jing N2H4、N2H2It is converted into N2。
IC reaction utensils have following technology features：
1) volumetric loading is high
In IC reactors, sludge concentration is high, and microbial biomass is big, there is interior circulation, and mass transfer effect is good, and organic loading of intaking can exceed more than 3 times of common anaerobic reactor.Therefore, when the waste water of same pollutant is processed, its volume only needs 1/3rd of traditional anaerobic reactor.
2) anti-load-bearing capacity is strong
Common anaerobic reactor is such as：ABR highest inlet COD loadings not above 8000-10000. IC reactors highest influent COD then may be up to it is tens of thousands of.
3) operating cost is low
The backflow of common anaerobic reactor is realized by external pressurized, and power of the IC reactors using the biogas that itself produces as lifting is realizing mixed liquor interior circulation, it is not necessary to is set pump forced circulation, is saved power consumption, reduces operating cost.
4) COD clearances are high
For the waste water for reaching IC reactor flow conditions, its COD clearance may be up to more than 70%.Using classification anaerobic treatment, the high adverse effects for producing of Ks in anaerobic processes can be compensated.
5) start cycle is short
In IC reactors, sludge activity is high, and biological propagation is fast, provides advantage for fast start up of reactor.Generally 1～3 month IC reactor start-up cycles, and traditional anaerobic device started the cycle up to 4～6 months.
Coagulative precipitation tank
Coagulative precipitation tank includes coagulating basin, sedimentation tank and a secondary dosing pond, can effectively reduce the content of ammonia nitrogen in water Jing after flocculation sediment.
Elc-V systems
Elc-V systems are made up of cell body, anode and negative electrode, and anode chamber and cathode chamber are separated by majority barrier film.When unidirectional current passes through electrolysis bath, there is oxidation reaction at anode with solution interface, reduction reaction occurs at negative electrode with solution interface.Reach the purpose for removing water pollutant.
Its method of operation is as follows：After waste water enters Elc-V cell bodies, voltage and current is passed through in waste water, oxidation reaction occurs at anode with solution interface, reduction reaction occurs at negative electrode with solution interface, and then removes the perchlorate in waste water.
AOP-M systems
AOP-M technologies are based on electrochemical techniques principle, using the organic pollution in the Strong oxdiative particle generated in electrolytic catalysis course of reaction, with waste water without selectively quickly there is chain reaction, carry out oxidative degradation.
AOP-M devices include various fillers, and filler contains iron-carbon alloy, carbon, catalytic filler, softening filler etc..There is obvious redox potential in waste water between FeC and Fe poor, so countless multiple batteries are formed in Fe and FeC, Fe is anode, FeC is negative electrode, macroscopic cathode material is added in systems, i.e. inertia charcoal (graphite, coke, activated carbon, coal) granule when Fe contact with charcoal, then form macroscopical battery.The comprehensive function of micro cell and macroscopical battery strengthens wastewater treatment efficiency.
Sedimentation tank
Sedimentation tank can effectively go a large amount of precipitable float that AOP-M techniques are formed, and reduce the concentration of suspension in water.
More medium filter
More medium filter is that normal-temperature operation, acid and alkali-resistance, oxidation, the pH scope of applications are 2-13 using one or more filter mediums.The perfect protection device of system configuration and measuring instrument, and there are the pollutant such as backwashing function, dirt to be flushed away quickly, water consumption is few, can arrange full-automatic function by user's requirement.Under pressure, make stock solution by the contact flocculation of the medium, absorption, retention, go the removal of impurity, so as to reach the purpose of filtration.Its built-in filler is generally：Quartz sand, anthracite, particle porous ceramics, manganese sand etc., user can select to use according to practical situation.Its filtering accuracy can effectively remove colloidal particles and macromolecule organic between 0.005-0.01m.
The float being mainly used in eliminating water.The equipment is coordinated with other water treatment facilities, is widely used in all kinds of engineering of water treatment such as water supply purification, recirculating water purification sewage disposal.
Ultrafiltration apparatus
Ultrafiltration, is a kind of membrane process between microfiltration (MF) and nanofiltration (NF).Membrane aperture is between 0.1-5 μm.
UF is to carry out detached membrane process using film " screening " effect.In the presence of differential static pressure, less than fenestra particle by film, more than fenestra particle then it is blocked on the surface of the film, particle of different sizes is made to be situated between to separate, its filtering accuracy is higher compared with MF, thus fenestra is less, actual operating pressure is also slightly higher than MF, generally 0.1-0.5MPa.
Reverse osmosis unit
Reverse osmosis unit is the core of system pro desalting, can remove the inorganic salts and most Organic substance, microorganism and colloid of the overwhelming majority through the water of reverse-osmosis treated.
Reverse osmosis deaslination principle：Reverse osmosiss (RO) are by means of the function of selecting through (semi-permeable) property film, membrane separation technique with pressure differential as motive force, when pressure added in system is more than solution osmotic pressure, hydrone constantly passes through film, central canal is flowed into through producing water flow passage, then flow out in water side, the impurity in water inlet, such as：Ion, Organic substance, antibacterial, virus etc. are trapped within the influent side of film, then flow out at concentrated water end, so as to reach the purpose of separation, desalination.Reverse osmosis membrane optimum operation temperature is 15-35 degree, if water inlet water temperature is too low, it is impossible to meet and require, subsequently need to carry out water temperature-boosting measure.
Reverse osmosis deaslination part is made up of high-pressure pump, reverse osmosis unit, reverse osmosiss cleaning device etc..The suggestion of reverse osmosis unit membrane component is selected and bears pressure height, the preferable membrane module of mechanical tension, chemical erosion and pollution resistance.
Above the specific embodiment of the present invention is described in detail, but which has been intended only as example, the present invention has been not restricted to particular embodiments described above.To those skilled in the art, any equivalent modifications carried out by the present invention and substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and modification, should all cover within the scope of the invention.
Claims (9)
1. a kind of guided missile disassembles Waste Water Treatment, it is characterised in that the former pond that includes being sequentially connected by pipeline,
Anaerobic ammonia oxidation reactor, coagulative precipitation tank, electrolytic oxidation system, cross-flow catalytic oxidation system, ultrafiltration system,
Counter-infiltration system, the anaerobic ammonia oxidation reactor are IC reactors, and waste water is by former pond into anaerobism ammonia oxygen
Change reactor, Jing Anammoxs carry out denitrogenation processing, removal of ammonia and nitrogen；Into coagulative precipitation tank, flocculation is added
Agent, Jing flocculation sediments remove the float in waste water；Subsequently into electrolytic oxidation system, it is passed through in waste water
, there is oxidation reaction in electric current at anode with solution interface, reduction reaction occurs at negative electrode with solution interface,
And then remove the perchlorate in waste water；Waste water enters catalytic oxidation system, by majority of organic pollutants
Mineralising is effectively decomposed；Into ultrafiltration system, float in water, colloidal substance and microorganism is further removed.
2. guided missile according to claim 1 disassembles Waste Water Treatment, it is characterised in that the cross-flow catalysis
Oxidative system includes catalytic oxidizing equipment and the sedimentation tank being sequentially connected by pipeline, wherein catalytic oxidizing equipment
Import is connected with electrolytic oxidation system.
3. guided missile according to claim 1 disassembles Waste Water Treatment, it is characterised in that the ultrafiltration system
Including ultrafiltration inlet water tank, more medium filter, ultrafiltration cartridge filter, the ultrafiltration dress being sequentially connected by pipeline
Putting and being produced from pond with ultrafiltration, the import of the ultrafiltration inlet water tank is connected with the catalytic oxidation system.
4. guided missile according to claim 3 disassembles Waste Water Treatment, it is characterised in that the reverse osmosiss system
RO cartridge filters that system includes being sequentially connected by pipeline, one-level RO reverse osmosis filter, two grades of RO are anti-
Percolating filter, the import of the RO cartridge filters are connected with ultrafiltration system.
5. guided missile according to claim 4 disassembles Waste Water Treatment, it is characterised in that one-level RO
Reverse osmosis filter, the concentrated water of two grades of RO reverse osmosis filters are brought out mouth and are connected with the import of former pond.
6. guided missile according to claim 2 disassembles Waste Water Treatment, it is characterised in that also dense including sludge
Contracting pond, import and coagulative precipitation tank and the sludge outlet of the sedimentation tank of catalytic oxidation system of the sludge concentration tank
It is connected.
7. the guided missile in a kind of employing claim 5 or 4 is disassembled Waste Water Treatment and processes the side that guided missile disassembles waste water
Method, it is characterised in that comprise the following steps：
Step 1, waste water enter anaerobic ammonia oxidation reactor by former pond, and Jing Anammoxs carry out denitrogenation processing, take off
Except ammonia nitrogen；
Step 2, the waste water Jing after step 1 process enter coagulative precipitation tank, add flocculant, Jing flocculation sediments to remove
The float gone in waste water；
Step 3, Jing steps 2 process waste water enter electrolytic oxidation system, be passed through electric current in waste water, anode with
There is oxidation reaction at solution interface, reduction reaction occurs at negative electrode with solution interface, and then removes in waste water
Perchlorate；
Step 4, the waste water of Jing steps 3 process enter catalytic oxidation system, by majority of organic pollutants mineralising or have
Effect is decomposed；
Step 5, the waste water of Jing steps 4 process enter ultrafiltration system, float further in removing water, colloid substances
Matter and microorganism；
Step 6, Jing step 5 process after waste water sequentially pass through RO cartridge filters, one-level RO reverse osmosis filter,
Two grades of RO reverse osmosis filters reverse-osmosis treateds remove inorganic salt, Organic substance, microorganism and colloid, reach row
Discharge after putting standard.
8. method according to claim 7, it is characterised in that also including step 7：Ultrafiltration system in step 5
In the concentrated water end waste water of the ultrafiltration apparatus of system and step 6, one-level RO reverse osmosis filter and two grades of RO reverse osmosis are passed through
The concentrated water end waste water of filter enters former pond, repeat step 1-6.
9. method according to claim 8, it is characterised in that step 7 is at least repeated once.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106477788A (en) * | 2016-11-23 | 2017-03-08 | 厦门科滤膜技术有限公司 | A kind of spacecraft propulsion agent Waste Water Treatment and processing method |
| CN109205944A (en) * | 2018-10-11 | 2019-01-15 | 北京天地人环保科技有限公司 | A kind of pharmacy waste water divides salt processing method |
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| CN101781039A (en) * | 2010-03-05 | 2010-07-21 | 中冶焦耐(大连)工程技术有限公司 | Technology for deeply processing coking wastewater through combining catalytic oxidation method and membrane separation technique |
| CN102295389A (en) * | 2011-08-03 | 2011-12-28 | 句容宁武新材料发展有限公司 | Industrial waste water treating technology |
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| US20120080374A1 (en) * | 2010-10-04 | 2012-04-05 | Pacific Advanced Civil Engineering, Inc. | Ozone and anaerobic biological pretreatment for a desalination process |
| CN102358651B (en) * | 2011-09-23 | 2013-06-26 | 郑州大学 | Advanced treatment process for fermented pharmaceutical waste water |
| CN102897979B (en) * | 2012-10-23 | 2014-12-31 | 鞍钢股份有限公司 | Coking wastewater treatment method |
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| CN102295389A (en) * | 2011-08-03 | 2011-12-28 | 句容宁武新材料发展有限公司 | Industrial waste water treating technology |
| CN103159369A (en) * | 2011-12-08 | 2013-06-19 | 新奥科技发展有限公司 | Method for denitrification treatment of coking wastewater |
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