CN208471826U - Catalyst production waste water processing system - Google Patents
Catalyst production waste water processing system Download PDFInfo
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- CN208471826U CN208471826U CN201820755463.2U CN201820755463U CN208471826U CN 208471826 U CN208471826 U CN 208471826U CN 201820755463 U CN201820755463 U CN 201820755463U CN 208471826 U CN208471826 U CN 208471826U
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Abstract
The utility model proposes a kind of catalyst production waste water processing systems, including mixing conditioning tank, primary sedimentation tank, former pond, micro-electrolysis reaction slot, oxidation reaction slot, neutralization chamber, collection surface, air flotation slot, comprehensive adjustment pond, the pond UASB, hydrolysis acidification pool, level-one biological contact oxidation pond, two stage biological contact-oxidation pool, secondary settling tank, the pond MBBR and the clear water reserviors being sequentially communicated；The mud discharging mouth of the mud discharging mouth of primary sedimentation tank, the mud discharging mouth of air flotation slot and secondary settling tank leads to sludge concentration tank, and mud discharging mouth leads to filter press；The supernatant outlet of sludge concentration tank and the filtrate (liquid of filter press lead to comprehensive adjustment pond；Hydrolysis acidification pool reflux is connected to comprehensive adjustment pond；Level-one biological contact oxidation pond and the reflux of two stage biological contact-oxidation pool are connected to hydrolysis acidification pool；Secondary settling tank reflux is connected to hydrolysis acidification pool and level-one biological contact oxidation pond；The reflux of the pond MBBR is connected to two stage biological contact-oxidation pool.The features such as the utility model has processing cost low, and purification efficiency is high.
Description
Technical field
The utility model relates to technical field of sewage, specifically a kind of catalyst production waste water processing system.
Background technique
Catalyst production waste water, organic amine concentration is high, is rich in sial based compound, difficult biochemical treatment, and to human body
Organization system has certain carcinogenesis.Its major pollutants is containing organic amine compound, hardly degraded organic substance etc..Traditional
There is ineffective, secondary dirt in catalyst production waste water processing system, such as chemical precipitation method, catalytic oxidation, bioanalysis
The limitations such as dye.
In the disclosed processing method in relation to catalyst production waste water, application No. is 201410836183.0 patent Shens
Please, disclosed containing wastewater from catalyst device includes (pressing the pipeline order of connection): electrochemical reaction cell, inclined-tube sedimentation tank, multimedium mistake
Filter tank and water after filter pond.Although the system flow of this application is simple, it is easy to accomplish the automatic operating of waste water disposal facility, it should
System is only with materializing strategy, it cannot be guaranteed that the purifying rate of waste water；In addition, catalyst production waste water includes organic amine and difficult drop
The polluters such as organic matter are solved, above system does not handle the system workshop section of this pollutant, and system water outlet, which contains, largely to be had
Machine pollutant, processing difficulty is big, and processing cost is high, and it is not up to standard to eventually lead to effluent quality.
Utility model content
The utility model proposes a kind of catalyst production waste water processing system, it is useless to solve catalyst production in the prior art
The problems such as water treatment system treatment effect is bad, processing cost is high.
The technical solution of the utility model is achieved in that
A kind of catalyst production waste water processing system, including the mixing conditioning tank, primary sedimentation tank, former pond, micro- being sequentially communicated
Cell reaction slot, oxidation reaction slot, neutralization chamber, collection surface, air flotation slot, comprehensive adjustment pond, the pond UASB, hydrolysis acidification pool, level-one
Biological contact oxidation pond, two stage biological contact-oxidation pool, secondary settling tank, the pond MBBR and clear water reserviors；
The mud discharging mouth of the mud discharging mouth of the primary sedimentation tank, the mud discharging mouth of the air flotation slot and the secondary settling tank leads to sludge condensation
The mud discharging mouth of slot, the sludge concentration tank leads to filter press；The supernatant outlet of the sludge concentration tank and the filter press
Filtrate (liquid leads to the comprehensive adjustment pond；
The hydrolysis acidification pool reflux is connected to the comprehensive adjustment pond；
The level-one biological contact oxidation pond and the reflux of two stage biological contact-oxidation pool are connected to the hydrolysis acidification pool；
The secondary settling tank reflux is connected to the hydrolysis acidification pool and level-one biological contact oxidation pond；
The pond the MBBR reflux is connected to the two stage biological contact-oxidation pool.
Further, the first pH adjusting agent is added in the mixing conditioning tank, the 2nd pH is added in the former pond and adjusts
Agent, the neutralization chamber is interior to be added third pH adjusting agent；
First pH adjusting agent and the second pH adjusting agent are sulfuric acid or sodium hydroxide, and the third pH adjusting agent is Ca
(OH)2。
Further, coagulant is added in the primary sedimentation tank, the coagulant is FeCl3。
Further, iron carbon filler is added in the micro-electrolysis reaction slot.
Further, H is added in the oxidation reaction slot2O2。
Further, flocculant is added in the collection surface, the flocculant is PAM.
The utility model has the following beneficial effects:
1, generate in catalyst production process two kinds of waste water are mixed, i.e., 1. high concentration crosses drainage, 2. low concentration flushing
Water, silicon-aluminum sol concentration after mixing in waste water reduce, reach can settlement point, this avoid handle two kinds of waste water difficulty respectively
Larger problem, to reduce processing cost.
2, it is added coagulant in primary sedimentation tank, after coagulating, waste water completes mud-water separation in primary sedimentation tank, effectively prevent
Suspended particle clogging follow-up system equipment.
3, the Fenton oxidation reaction in oxidation reaction slot, the Fe formed using micro-electrolysis reaction slot Inner electrolysis2+, reduce purchase
Fe2+The expense of medicament reduces operating cost.
4, biochemical reaction uses UASB- hydrolysis acidification-bio-contact oxidation-MBBR combined system, effectively removes in water
COD and ammonia nitrogen.
5, anaerobic stages are divided into UASB stage and hydrolysis acidification stage during biochemical treatment；Aerobic stage is divided into level-one
Catalytic oxidation stage, two-stage biological contact oxidation stage and MBBR stage；And the reflux ratio of every section of system is 200%.Flow back a side
Face can play diluting effect, on the one hand can supplement the amount of microorganism；If reflux ratio is too down to less than treatment effect, reflux
It is higher than too, increase processing cost.
6, the features such as the utility model has processing cost low, and purification efficiency is high.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram of the utility model.
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.
As shown in Figure 1, the catalyst production waste water processing system in the present embodiment, the mixing including being sequentially communicated is adjusted
Pond, primary sedimentation tank, former pond, micro-electrolysis reaction slot, oxidation reaction slot, neutralization chamber, collection surface, air flotation slot, comprehensive adjustment pond, UASB
Pond, hydrolysis acidification pool, level-one biological contact oxidation pond, two stage biological contact-oxidation pool, secondary settling tank, the pond MBBR and clear water reserviors.Institute
The mud discharging mouth for stating the mud discharging mouth of primary sedimentation tank, the mud discharging mouth of the air flotation slot and the secondary settling tank leads to sludge concentration tank, the dirt
The mud discharging mouth of mud thickener leads to filter press；The filtrate (liquid of the supernatant outlet of the sludge concentration tank and the filter press draws
To the comprehensive adjustment pond.The hydrolysis acidification pool reflux is connected to the comprehensive adjustment pond；The level-one bio-contact oxidation
Pond and the reflux of two stage biological contact-oxidation pool are connected to the hydrolysis acidification pool；The secondary settling tank reflux is connected to the hydrolysis acid
Change pond and level-one biological contact oxidation pond；The pond the MBBR reflux is connected to the two stage biological contact-oxidation pool.
In the present embodiment, the first pH adjusting agent is added in the mixing conditioning tank, the 2nd pH tune is added in the former pond
Agent is saved, third pH adjusting agent is added in the neutralization chamber；First pH adjusting agent and the second pH adjusting agent are sulfuric acid or hydrogen-oxygen
Change sodium, the third pH adjusting agent is Ca (OH)2.Coagulant is added in the primary sedimentation tank, the coagulant is FeCl3.It is described micro-
Iron carbon filler is added in cell reaction slot.H is added in the oxidation reaction slot2O2.Flocculant is added in the collection surface, it is described
Flocculant is PAM.
The present embodiment is in use, steps are as follows: (1) high concentration being crossed drainage and low concentration flushing water is put into mixing conditioning tank
Interior mixing reduces the silicon-aluminum sol concentration in water, the pH of sewage is adjusted to 7-8 with the first pH adjusting agent, the first pH adjusting agent is adopted
With sulfuric acid or sodium hydroxide.(2) waste water enters primary sedimentation tank, adds coagulant and carries out coagulating, obtains after coagulating
Clear liquid and sludge, supernatant enter former pond, and the coagulant is FeCl3.(3) it in former pond, is adjusted with the second pH adjusting agent
The pH of waste water is 2-4, and the second pH adjusting agent uses sulfuric acid or sodium hydroxide, carries out light electrolysis subsequently into micro-electrolysis reaction slot
It decomposes, iron carbon filler is used when light electrolysis decomposes, iron carbon filler is the ideal filler currently used for light electrolysis；(4) through light electrolysis
Water outlet after decomposition enters oxidation reaction slot and carries out Fenton oxidation reaction, and the Fe of formation is electrolysed during micro-electrolysis reaction2+Into
Enter to oxidation reaction slot, the catalyst as Fenton oxidation reaction；(5) water outlet of Fenton oxidation reaction enters in neutralization chamber, adds
Enter third pH adjusting agent and the pH of waste water in neutralization chamber is adjusted to 8, carry out coagulating, the third pH adjusting agent is Ca
(OH)2；(6) water outlet of neutralization chamber is introduced in collection surface, adds flocculant PAM and carries out flocculation reaction；(7) flocculation reaction go out
Water enters air flotation slot, is separated by solid-liquid separation in air flotation slot, and supernatant and sludge are obtained；(8) supernatant of air flotation slot enters comprehensive
It closes in conditioning tank, control water inlet salinity is≤1% (mass fraction), and adjusting the temperature in comprehensive adjustment slot is 30 DEG C, through synthesis
The water outlet that conditioning tank is adjusted enters back into anaerobic stages, aerobic stage is handled；(9) anaerobic stages are divided into UASB stage and hydrolysis
Acidification stage；The aerobic stage is divided into level-one bio-contact oxidation stage, two stage biological catalytic oxidation stage, MBBR stage；
And the reflux ratio in each stage is 200%.On the one hand reflux can play diluting effect, on the one hand can supplement level-one
The amount of microorganism in biological contact oxidation pond and two stage biological contact-oxidation pool；If reflux ratio too down to less than treatment effect,
Reflux ratio is too high, increases processing cost.The level-one bio-contact oxidation stage include by anaerobic stages treated water outlet successively into
Enter level-one biological contact oxidation pond；The two stage biological catalytic oxidation stage include by level-one biological contact oxidation pond treated water outlet
Sequentially enter two stage biological contact-oxidation pool, secondary settling tank；The MBBR stage include by secondary settling tank treated water outlet sequentially enter
The pond MBBR, clear water reserviors；Common elastic filler is added in the level-one biological contact oxidation pond and two stage biological contact-oxidation pool,
MBBR filler is added in the pond MBBR；(10) sludge being separated by solid-liquid separation through primary sedimentation tank, the sludge being separated by solid-liquid separation through air flotation slot
It is discharged into sludge concentration tank with the sludge handled through secondary settling tank.The supernatant that sludge concentration tank is handled flows into comprehensive adjust
It saves in slot.Sludge concentration tank base sludge is delivered in filter press by sludge force (forcing) pump, carries out filters pressing, filter press here be every
Filter press membrane；The filter residue that filters pressing generates is transported to professional fixed-end forces mechanism and is handled, and filter press filtrate returns to comprehensive adjustment
In slot.
Below with 200 ton/days of factory production waste water of Dalian pine island chemical industry garden, influent quality index such as 1 institute of table
Show:
The water quality of 1 containing wastewater from catalyst of table
Processing system is as follows:
■ primary sedimentation tank unit
High concentration is crossed into drainage in mixing conditioning tank and low concentration flushing water mixes, adjustment pH is 7-8, will be mixed by pipeline
Catalyst production waste water after conjunction is discharged into primary sedimentation tank, and water inlet while is added coagulant and carries out coagulating, then settlement treatment,
Treated, and supernatant flows into former pond.
■ raw water pool unit
The wastewater pH in former pond is tuned into 2-4 with the second pH adjusting agent.
■ light electrolysis unit
Waste water in former pond enters micro-electrolysis reaction slot and carries out light electrolysis decomposition.
Micro-electrolysis reaction formula is as follows:
Anode (Fe): Fe-2e → Fe2+,
Cathode (C): 2H++2e → 2 [H] → H2,
In reaction, the Fe of nascent state is produced2+With atom H, they have high chemical activity, and can change many in waste water has
The structure and characteristic of machine object makes organic matter that chain rupture, open loop, the biodegradability gone the coloration in water removal and improve waste water etc. occur.
Carry out light electrolysis decomposition under aeration state, aeration can play stirring action and to alleviate iron filings hardened, increase micro- electricity
Solve reactive tank uses the time.Waste water HRT=2H in light electrolysis slot.
■ Fenton oxidation unit
Water outlet after light electrolysis decomposes enter oxidation reaction slot carry out Fenton oxidation reaction, Fenton's reaction be with ferrous iron from
Son is a series of radical reactions of catalyst.Key reaction is as follows:
Fe2++H2O2==Fe3++OH-+HO·
Fe3++H2O2+ OH-==Fe2++H2O+HO·
Fe3++H2O2==Fe2++H++HO2
HO2+H2O2==H2O+O2↑+HO·
Fenton reagent by reacting above, and constantly (hydroxyl radical free radical, electrode potential 2.80EV, is only second to generation HO
F2), so that whole system has strong oxidizing property, chlorobenzene, benzyl chloride, grease etc. can be aoxidized and be difficult to by general oxidizing
Substance.The biochemical of waste water is further improved, waste water HRT=48min in oxidation reaction slot.
■ pH adjustment, coagulation unit
Fenton's reaction water outlet enters neutralization chamber, is added Ca (OH)2PH is adjusted to 8 or so, is utilized Ca (OH)2Alkalinity
The pH value in water is adjusted, by Fe3+It is formed Fe (OH)3Colloid flocculant can be adsorbed effectively, agglomerate pollutant in water, thus
Enhance the clean-up effect to waste water.Waste water HRT=24min in neutralization chamber.
■ flocculation unit
The water outlet of coagulating enters in flocculation tank, and appropriate PAM is added and carries out flocculation reaction, so that the wadding body that coagulation is formed
It is bigger.
■ air flotation cell
The water outlet of flocculation reaction flows into air flotation slot.It is separated by solid-liquid separation in air flotation slot.Air flotation slot water outlet enters comprehensive adjust
Save pond.
■ comprehensive adjustment pool unit
Comprehensive wastewater processing unit is it can be appreciated that biochemical pretreatment stage, and the water outlet being separated by solid-liquid separation through air flotation slot is comprehensive
It closes in regulating tank and is uniformly mixed, control salinity≤1%, the temperature of waste water in comprehensive adjustment pond is adjusted to 30 DEG C.
■ anaerobism, aerobic treatment unit
The water outlet adjusted through comprehensive adjustment pond enters back into anaerobic stages, aerobic stage is handled.The anaerobic stages point
For UASB stage and hydrolysis acidification stage, the aerobic stage is divided into level-one bio-contact oxidation stage, two stage biological contact oxygen
Change stage and MBBR stage, every section of system ensure reflux ratio in 200%, HRT=24h, the level-one bio-contact oxidation stage
Including by anaerobic stages treated water outlet sequentially enter level-one biological contact oxidation pond；The two stage biological catalytic oxidation stage includes
Water outlet after level-one bio-contact oxidation phase process is sequentially entered into two stage biological contact-oxidation pool, secondary settling tank；The MBBR stage
Including by secondary settling tank treated water outlet sequentially enter the pond MBBR, clear water reserviors；The level-one biological contact oxidation pond and second level are raw
Common elastic filler is added in object contact-oxidation pool, MBBR filler is added in the pond MBBR.Water quality is better than national comprehensive wastewater after processing
Discharge standard, clarification of water, stable out, and operating cost is lower than similar waste water treatment system, and effluent quality is shown in Table 2.
2 effluent quality of table
| Project | pH | SS | BOD5 | CODCr | NH3-N | TN |
| Concentration | 6-9 | ≦300mg/L | ≤250mg/L | ≤300mg/L | ≤30mg/L | ≤50mg/L |
■ sludge treating block
This unit is periodically to be discharged into sludge concentration tank through the sludge that primary sedimentation tank is handled to the subsequent processing for generating sludge
In；The sludge of air flotation slot bucket accumulation is periodically discharged into sludge concentration tank；Dirt is periodically discharged into through the sludge that secondary settling tank is handled
In mud thickener；Sludge concentration tank plays the role of further decreasing moisture percentage in sewage sludge, and obtained supernatant flows into comprehensive adjustment
In pond, the sludge of sludge condensation trench bottom is periodically delivered in diaphragm filter press by sludge force (forcing) pump, carries out filters pressing.Filters pressing generates
Dewatered sludge periodically outer be transported to professional fixed-end forces mechanism and handled.Filter press filtrate returns in comprehensive adjustment pond.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of catalyst production waste water processing system, which is characterized in that including be sequentially communicated mixing conditioning tank, primary sedimentation tank,
Former pond, micro-electrolysis reaction slot, oxidation reaction slot, neutralization chamber, collection surface, air flotation slot, comprehensive adjustment pond, the pond UASB, hydrolysis acid
Change pond, level-one biological contact oxidation pond, two stage biological contact-oxidation pool, secondary settling tank, the pond MBBR and clear water reserviors；
The mud discharging mouth of the mud discharging mouth of the primary sedimentation tank, the mud discharging mouth of the air flotation slot and the secondary settling tank leads to sludge concentration tank,
The mud discharging mouth of the sludge concentration tank leads to filter press；The filtrate of the supernatant outlet of the sludge concentration tank and the filter press
Outlet leads to the comprehensive adjustment pond；
The hydrolysis acidification pool reflux is connected to the comprehensive adjustment pond；
The level-one biological contact oxidation pond and the reflux of two stage biological contact-oxidation pool are connected to the hydrolysis acidification pool；
The secondary settling tank reflux is connected to the hydrolysis acidification pool and level-one biological contact oxidation pond；
The pond the MBBR reflux is connected to the two stage biological contact-oxidation pool.
2. catalyst production waste water processing system as described in claim 1, which is characterized in that be added in the mixing conditioning tank
First pH adjusting agent, the former pond is interior to be added the second pH adjusting agent, and third pH adjusting agent is added in the neutralization chamber；
First pH adjusting agent and the second pH adjusting agent are sulfuric acid or sodium hydroxide, and the third pH adjusting agent is Ca (OH)2。
3. catalyst production waste water processing system as claimed in claim 2, which is characterized in that coagulation is added in the primary sedimentation tank
Agent, the coagulant are FeCl3。
4. catalyst production waste water processing system as claimed in claim 3, which is characterized in that add in the micro-electrolysis reaction slot
Enter iron carbon filler.
5. catalyst production waste water processing system as claimed in claim 4, which is characterized in that be added in the oxidation reaction slot
H2O2。
6. catalyst production waste water processing system as claimed in claim 5, which is characterized in that flocculation is added in the collection surface
Agent, the flocculant are PAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755463.2U CN208471826U (en) | 2018-05-21 | 2018-05-21 | Catalyst production waste water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755463.2U CN208471826U (en) | 2018-05-21 | 2018-05-21 | Catalyst production waste water processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208471826U true CN208471826U (en) | 2019-02-05 |
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ID=65218227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820755463.2U Active CN208471826U (en) | 2018-05-21 | 2018-05-21 | Catalyst production waste water processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208471826U (en) |
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2018
- 2018-05-21 CN CN201820755463.2U patent/CN208471826U/en active Active
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